阅读说明：本技术 一种电动分合闸跌落式熔断器智能控制系统 (Intelligent control system for electric switching-on/off drop-out fuse ) 是由 章琼渊 于 2021-08-27 设计创作，主要内容包括：本发明公开了一种电动分合闸跌落式熔断器智能控制系统,其系统包括：分合闸控制模块,用于向遥控器终端发出是否切换分闸控制模式的请求,接收遥控器终端反馈的目标指令,根据目标指令选择合闸模式或者分闸模式对跌落式熔断器进行智能检测；检测模块,用于根据分合闸控制模块选择的目标模式对跌落式熔断器实行电流、电压、零序、温度、湿度、故障跌落的检测工作,获取检测结果；报警模块,用于将检测结果回传到预设服务器以使预设服务器确认跌落式熔断器是否发生故障,若是,发出报警提示；使用定位模块获取所述跌落式熔断器的定位信息并上传到所述遥控器终端,无需在监测地点放置在线监测设备进而需要改造线路,节省了成本。(The invention discloses an intelligent control system of an electric switching-on/off drop-out fuse, which comprises: the switching-on and switching-off control module is used for sending a request whether to switch a switching-off control mode to the remote controller terminal, receiving a target instruction fed back by the remote controller terminal, and selecting a switching-on mode or a switching-off mode according to the target instruction to carry out intelligent detection on the drop-out fuse; the detection module is used for detecting current, voltage, zero sequence, temperature, humidity and fault drop of the drop-out fuse according to the target mode selected by the switching-on and switching-off control module, and obtaining a detection result; the alarm module is used for transmitting the detection result back to the preset server so that the preset server can confirm whether the drop-out fuse is in fault or not, and if so, an alarm prompt is sent; the positioning module is used for acquiring the positioning information of the drop-out fuse and uploading the positioning information to the remote controller terminal, and therefore the on-line monitoring equipment does not need to be placed in a monitoring place and a circuit needs to be modified, and cost is saved.)

1. The utility model provides an electronic divide-shut brake drop out fuse intelligence control system which characterized in that, this system includes:

the switching-on and switching-off control module is used for sending a request whether to switch a switching-off control mode to a remote controller terminal, receiving a target instruction fed back by the remote controller terminal, and selecting a switching-on mode or a switching-off mode according to the target instruction to carry out intelligent detection on the drop-out fuse;

the detection module is used for detecting the state parameters of the drop-out fuse according to the target mode selected by the switching-on and switching-off control module and acquiring a detection result;

the alarm module is used for transmitting the detection result back to a preset server so that the preset server compares the detection result with preset standard data to confirm whether the drop-out fuse is in fault or not, and if so, an alarm prompt is sent;

and the positioning module is used for acquiring the positioning information of the drop-out fuse when the drop-out fuse is confirmed to be in fault, and uploading the positioning information to the remote controller terminal.

2. The intelligent control system of the electric switching on/off drop-out fuse as claimed in claim 1, wherein the state parameters of the drop-out fuse include: any one or more of current, voltage, zero sequence, temperature, humidity, and fault dip.

3. The intelligent control system for the electric switching on/off drop-out fuse according to claim 1, further comprising:

the acquisition module is used for acquiring target hardware information of the remote controller terminal;

the analysis module is used for determining a plurality of connectable modes of the remote controller terminal according to the target hardware information;

the receiving module is used for sending the connectable modules to the remote controller terminal and receiving the target connection mode selected by the remote controller terminal;

and the connection module is used for connecting the remote controller terminal through the target connection mode.

4. The intelligent control system of the electric switching-on/off drop-out fuse according to claim 1, wherein the switching-on/off control module comprises:

the first receiving submodule is used for receiving a drop-out fuse detection instruction sent by the remote controller terminal;

the generating submodule is used for generating a request for switching the switching-off control mode according to the drop-out fuse detection instruction;

the analysis submodule is used for receiving a target instruction fed back by the remote controller terminal and analyzing the target instruction to determine a target mode selected by the remote controller terminal in a switching-on mode or a switching-off mode;

an activation submodule for activating a detection program of the target mode;

a detection module comprising:

the first determining submodule is used for determining respective detection sequences of current detection, voltage detection, zero sequence detection, temperature detection, humidity detection and fault drop detection based on a detection program of a target mode;

the detection submodule is used for detecting corresponding data indexes by using respective detection sequences of current detection, voltage detection, zero sequence detection, temperature detection, humidity detection and fault drop detection to obtain first detection data detected by each detection sequence;

and the integration sub-module is used for integrating the first detection data detected by each detection sequence to obtain the detection result.

5. The intelligent control system of the electric switching on/off drop-out fuse according to claim 1, wherein the alarm module comprises:

the uploading sub-module is used for uploading the detection result to the preset server;

the confirming submodule is used for confirming whether the preset server completely receives the detection result, if so, subsequent operation is not needed, and otherwise, an error prompt is sent;

the alarm submodule is used for receiving a judgment result of the preset server, sending an alarm prompt if the judgment result indicates that the drop-out fuse is in fault, and not needing to perform subsequent operation if the judgment result indicates that the drop-out fuse is not in fault;

the uploading sub-module is further configured to upload the detection result to the preset server again after the determining sub-module sends the error prompt, and if the detection result cannot be uploaded completely all the time, upload the detection result in different manners until the uploading is successful.

6. The intelligent control system of the electric switching on/off drop-out fuse as claimed in claim 1, wherein the positioning module comprises:

the second receiving submodule transmits a first power radio signal and a second power radio signal to the drop-out fuse and receives a first feedback signal and a second feedback signal transmitted by the drop-out fuse, wherein the first power is greater than the second power;

the detection submodule is used for detecting the respective signal intensity of the first feedback signal and the second feedback signal and constructing a signal intensity spectrum corresponding to the respective first feedback signal and the respective second feedback signal;

the construction submodule is used for constructing a signal intensity-power curve graph of the first feedback signal and the second feedback signal according to the signal intensity spectrums corresponding to the first feedback signal and the second feedback signal and the signal intensities of the first feedback signal and the second feedback signal;

the second determining submodule determines the position sequence of the drop-out fuse according to the respective signal intensity-power curve graphs of the first feedback signal and the second feedback signal;

and the transmission submodule is used for transmitting the position sequence to the remote controller terminal as the positioning information of the drop-out fuse.

7. The intelligent control system for the electric switching on/off drop-out fuse according to claim 1, further comprising:

the early warning module is used for transmitting early warning information to a mobile phone app of a worker when the falling fuse is confirmed to be in fault;

the acquisition module is used for acquiring a fault image of the drop-out fuse and uploading the fault image to the mobile phone app;

and the evaluation module is used for evaluating the harmfulness and the loss cost according to the image of the fault.

8. The intelligent control system for the electric switching on/off drop-out fuse according to claim 1, further comprising: the evaluation module is used for evaluating the influence degree of manual operation on the normal operation of the drop-out fuse, and the evaluation step comprises the following steps:

constructing a standard operation parameter database for manually starting the electric opening and closing;

calling initial parameters of the drop-out fuse from the parameter database, and establishing initial three-dimensional model data for manually starting the electric opening and closing according to the initial parameters;

constructing a standard data template during closing according to the specific position data information of the disconnecting link contact when the electric switching on and off is in place;

performing standard simulation demonstration in the initial three-dimensional model data through the standard data template to obtain a homogeneous transformation matrix for manually starting the electric opening and closing;

acquiring parameters of a simulated mechanical arm, and constructing a manual operation three-dimensional model according to the parameters of the simulated mechanical arm;

performing fusion simulation by using the manual operation three-dimensional model and the initial three-dimensional model data to obtain an operation parameter matrix for manually starting the electric opening and closing;

eliminating the same first matrix factors in the homogeneous transformation matrix and the operation parameter matrix, and combining the remaining second matrix factors to obtain a reasonable operation range set of the electric opening and closing;

collecting current operating parameters of a target user for the electric switching on and off;

determining a real-time operation range set of a target user according to the current operation parameters;

determining error operation parameters of the target user according to the real-time operation range set of the target user and the reasonable operation range set of the electric switching on and off;

establishing an operation evaluation model according to the error operation parameters and the important influence parameters of the drop-out fuse;

evaluating the current operating parameters of the target user by using the operation evaluation model to obtain the evaluation probability of the fault of the drop-out fuse corresponding to each current operating parameter;

counting the average evaluation probability of the current parameters of the target user on the faults of the drop-out fuse;

and determining whether the average evaluation probability is greater than or equal to a preset probability, if so, determining that the influence degree of the current operation parameters of the target user on the normal operation of the drop-out fuse is high, otherwise, determining that the influence degree of the current operation parameters of the target user on the normal operation of the drop-out fuse is low.

9. The intelligent control system of the electric switching on/off drop-out fuse according to claim 1, further comprising a fault judgment module for judging the type of the fault of the drop-out fuse;

the fault judgment module comprises:

the current acquisition unit is used for acquiring current signals of the drop-out fuse in the switching-on and switching-off processes and intercepting target current signals of the current signals in a target time period;

performing wavelet transformation on the target current signal according to the following formula;

wherein w (t) represents a current signal obtained by performing wavelet transform on the target current signal, α represents a wavelet scale expansion value, and takes a value of (0.5, 1), β represents a wavelet displacement value, and takes a value of (0.5, 1), t represents the target time period, and i (t) represents the target current signal;

the first judgment unit is used for determining the current waveform of the drop-out fuse in the switching-on and switching-off process according to the current signal after the target current signal is subjected to wavelet transformation, and comparing the current waveform with a preset standard current waveform, and the process is as follows:

sampling the preset standard current waveform and the current waveform of the drop-out fuse in the switching-on and switching-off processes, and determining a difference value between the current waveform and the preset standard current waveform according to the following formula;

wherein, T₀A difference value phi between the current waveform and a preset standard current waveform₀Representing difference error, and taking the value as (0.3, 0.5), n represents sampling times, w (i) represents the current value corresponding to the current waveform in the ith sampling, R (i) represents the current value corresponding to the preset standard current waveform in the ith sampling, and tau_iThe sampling error of sampling the ith time between the current waveform and a preset standard current waveform is represented, and the value is (0.99, 1.01);

judging whether the difference value between the current waveform and a preset standard current waveform is within a preset range or not;

if so, judging that the drop-out fuse has no fault;

otherwise, judging that the drop-out fuse has a fault;

the time detection unit is used for collecting the trigger point characteristics of the drop-out fuse when the opening and closing operation instruction is started when the drop-out fuse is determined to be in fault, and calculating the opening and closing time of the drop-out fuse according to the following formula;

wherein T represents the on-off time of the drop-out fuse, epsilon represents the reaction value from the receiving of the on-off operation instruction to the trigger point state of the drop-out fuse, and the value is (0.75, 0.95), m represents the number of times the trigger point characteristic of said drop-out fuse is acquired, T_jThe method comprises the steps of representing the collection time of the characteristics of the trigger point of the drop-out fuse collected at the jth time, K representing that the sensitivity of the drop-out fuse is (0.6, 0.9), the value of (0.6, 0.9), e representing a natural constant and the value of 2.72, and T representing the sensitivity of the drop-out fuse₀Representing preset standard time, wherein P represents the environmental interference value of the drop-out fuse in the switching on and off at the time, and the value is (0.2, 0.8);

and the fault determining unit is used for determining the fault type of the drop-out fuse according to the current waveform and the switching-on and switching-off time of the drop-out fuse.

10. The intelligent control system for the electric switching on/off drop-out fuse according to claim 1, further comprising an early warning module, wherein the early warning module comprises:

a grading module: the method is used for dividing a bus circuit containing the electric switching-on/off drop-out fuse into a plurality of evaluation units, each evaluation unit at least contains one electric switching-on/off drop-out fuse, and the evaluation parameters in each evaluation unit are determined, wherein the evaluation parameters comprise: working state parameters and environmental parameters; numbering the evaluation units;

the information acquisition module is used for acquiring the working state parameters and the environmental parameters, and the environmental parameters comprise: ambient temperature, ambient wind speed, ambient humidity;

an anomaly determination module: in each evaluation unit, obtaining the components of the electric opening and closing drop-out fuse causing the abnormality of the electric opening and closing drop-out fuse and abnormality associated logic through an abnormality determination module according to a preset abnormality analysis model, wherein the abnormality associated logic comprises: the method comprises the following steps of (1) abnormal logic relation among all components and a first relevance degree of the component abnormality and the abnormality of the electric switching-on/off drop-out fuse; the working state parameters include: the working state parameters of all the components and the working state parameters of the electric switching on/off drop-out fuse are determined;

a first calculation module: the evaluation unit is used for calculating a first difference value of the working state parameter of each component acquired by the grading module and the corresponding preset standard working state parameter, calculating a first ratio of the first difference value to the corresponding preset standard working state parameter, and calculating a first abnormal evaluation value of each electric switching on/off drop-out fuse of each evaluation unit according to a first preset rule based on the first ratio and the first correlation degree;

the second calculation module is used for calculating a second difference value between the environment parameter of each evaluation unit acquired by the information acquisition module and the corresponding preset standard environment parameter, calculating a second ratio of the second difference value to the corresponding preset standard environment parameter, and calculating a second abnormality evaluation value of each evaluation unit according to a second preset rule and a second association degree between the environment parameter abnormality and the evaluation unit abnormality;

a third calculating unit, configured to calculate a comprehensive abnormal value of each evaluation unit according to the first abnormal evaluation value of each electric switching drop-out fuse of each evaluation unit, and a preset importance degree of each electric switching drop-out fuse of each evaluation unit to the line corresponding to the evaluation unit, and a preset importance degree of each evaluation unit relative to the bus line, and the second abnormal evaluation value of each evaluation unit;

and the early warning unit is used for comparing the comprehensive abnormal value of each evaluation unit with the corresponding preset reference abnormal value, and when the comprehensive abnormal value of any evaluation unit is greater than the corresponding preset reference abnormal value, the early warning unit sends early warning information and the number of the corresponding evaluation unit to the monitoring terminal.

Technical Field

The invention relates to the technical field of fuse control, in particular to an intelligent control system of an electric switching-on/off drop-out fuse.

Background

With the development of a power distribution network, the use amount of the drop-out fuse is huge. Generally, the drop-out fuse needs regular manual maintenance, the traditional method is to perform power-off maintenance on the drop-out fuse when power is cut off in spring inspection, the workload is large, if the power-off area is large, inestimable loss can be caused, and the economic benefit and the social benefit of a power supply enterprise are seriously affected. At present, extensive researchers are actively researching on the drop-out fuse on-line monitoring method, but the on-line monitoring method needs to place on-line monitoring equipment at a monitoring place, modify a line and have higher cost.

Disclosure of Invention

Aiming at the problems shown above, the invention provides an intelligent control system for an electric switching on/off drop-out fuse, which is used for solving the problems of the background art that an online monitoring device needs to be placed at a monitoring place, a circuit needs to be modified and the cost is high.

The utility model provides an electronic divide-shut brake drop out fuse intelligence control system, this system includes:

the switching-on and switching-off control module is used for sending a request whether to switch a switching-off control mode to a remote controller terminal, receiving a target instruction fed back by the remote controller terminal, and selecting a switching-on mode or a switching-off mode according to the target instruction to carry out intelligent detection on the drop-out fuse;

the detection module is used for detecting the state parameters of the drop-out fuse according to the target mode selected by the switching-on and switching-off control module and acquiring a detection result;

the alarm module is used for transmitting the detection result back to a preset server so that the preset server compares the detection result with preset standard data to confirm whether the drop-out fuse is in fault or not, and if so, an alarm prompt is sent;

and the positioning module is used for acquiring the positioning information of the drop-out fuse when the drop-out fuse is confirmed to be in fault, and uploading the positioning information to the remote controller terminal.

Preferably, the state parameters of the drop-out fuse include: any one or more of current, voltage, zero sequence, temperature, humidity, and fault dip.

Preferably, the system further comprises:

the acquisition module is used for acquiring target hardware information of the remote controller terminal;

the analysis module is used for determining a plurality of connectable modes of the remote controller terminal according to the target hardware information;

the receiving module is used for sending the connectable modules to the remote controller terminal and receiving the target connection mode selected by the remote controller terminal;

and the connection module is used for connecting the remote controller terminal through the target connection mode.

Preferably, the switching-on/off control module includes:

the first receiving submodule is used for receiving a drop-out fuse detection instruction sent by the remote controller terminal;

the generating submodule is used for generating a request for switching the switching-off control mode according to the drop-out fuse detection instruction;

the analysis submodule is used for receiving a target instruction fed back by the remote controller terminal and analyzing the target instruction to determine a target mode selected by the remote controller terminal in a switching-on mode or a switching-off mode;

an activation submodule for activating a detection program of the target mode;

a detection module comprising:

the first determining submodule is used for determining respective detection sequences of current detection, voltage detection, zero sequence detection, temperature detection, humidity detection and fault drop detection based on a detection program of a target mode;

the detection submodule is used for detecting corresponding data indexes by using respective detection sequences of current detection, voltage detection, zero sequence detection, temperature detection, humidity detection and fault drop detection to obtain first detection data detected by each detection sequence;

and the integration sub-module is used for integrating the first detection data detected by each detection sequence to obtain the detection result.

Preferably, the alarm module includes:

the uploading sub-module is used for uploading the detection result to the preset server;

the confirming submodule is used for confirming whether the preset server completely receives the detection result, if so, subsequent operation is not needed, and otherwise, an error prompt is sent;

the alarm submodule is used for receiving a judgment result of the preset server, sending an alarm prompt if the judgment result indicates that the drop-out fuse is in fault, and not needing to perform subsequent operation if the judgment result indicates that the drop-out fuse is not in fault;

the uploading sub-module is further configured to upload the detection result to the preset server again after the determining sub-module sends the error prompt, and if the detection result cannot be uploaded completely all the time, upload the detection result in different manners until the uploading is successful.

Preferably, the positioning module includes:

the second receiving submodule transmits a first power radio signal and a second power radio signal to the drop-out fuse and receives a first feedback signal and a second feedback signal transmitted by the drop-out fuse, wherein the first power is greater than the second power;

the detection submodule is used for detecting the respective signal intensity of the first feedback signal and the second feedback signal and constructing a signal intensity spectrum corresponding to the respective first feedback signal and the respective second feedback signal;

the construction submodule is used for constructing a signal intensity-power curve graph of the first feedback signal and the second feedback signal according to the signal intensity spectrums corresponding to the first feedback signal and the second feedback signal and the signal intensities of the first feedback signal and the second feedback signal;

the second determining submodule determines the position sequence of the drop-out fuse according to the respective signal intensity-power curve graphs of the first feedback signal and the second feedback signal;

and the transmission submodule is used for transmitting the position sequence to the remote controller terminal as the positioning information of the drop-out fuse.

Preferably, the system further comprises: the evaluation module is used for evaluating the influence degree of manual operation on the normal operation of the drop-out fuse, and the evaluation step comprises the following steps:

constructing a standard operation parameter database for manually starting the electric opening and closing;

calling initial parameters of the drop-out fuse from the parameter database, and establishing initial three-dimensional model data for manually starting the electric opening and closing according to the initial parameters;

constructing a standard data template during closing according to the specific position data information of the disconnecting link contact when the electric switching on and off is in place;

performing standard simulation demonstration in the initial three-dimensional model data through the standard data template to obtain a homogeneous transformation matrix for manually starting the electric opening and closing;

acquiring parameters of a simulated mechanical arm, and constructing a manual operation three-dimensional model according to the parameters of the simulated mechanical arm;

performing fusion simulation by using the manual operation three-dimensional model and the initial three-dimensional model data to obtain an operation parameter matrix for manually starting the electric opening and closing;

eliminating the same first matrix factors in the homogeneous transformation matrix and the operation parameter matrix, and combining the remaining second matrix factors to obtain a reasonable operation range set of the electric opening and closing;

collecting current operating parameters of a target user for the electric switching on and off;

determining a real-time operation range set of a target user according to the current operation parameters;

determining error operation parameters of the target user according to the real-time operation range set of the target user and the reasonable operation range set of the electric switching on and off;

establishing an operation evaluation model according to the error operation parameters and the important influence parameters of the drop-out fuse;

evaluating the current operating parameters of the target user by using the operation evaluation model to obtain the evaluation probability of the fault of the drop-out fuse corresponding to each current operating parameter;

counting the average evaluation probability of the current parameters of the target user on the faults of the drop-out fuse;

and determining whether the average evaluation probability is greater than or equal to a preset probability, if so, determining that the influence degree of the current operation parameters of the target user on the normal operation of the drop-out fuse is high, otherwise, determining that the influence degree of the current operation parameters of the target user on the normal operation of the drop-out fuse is low.

Preferably, the system further comprises:

the early warning module is used for transmitting early warning information to a mobile phone app of a worker when the falling fuse is confirmed to be in fault;

the acquisition module is used for acquiring a fault image of the drop-out fuse and uploading the fault image to the mobile phone app;

and the evaluation module is used for evaluating the harmfulness and the loss cost according to the image of the fault.

Preferably, the system further comprises a fault judging module, configured to judge a fault type of the drop-out fuse;

the fault judgment module comprises:

the current acquisition unit is used for acquiring current signals of the drop-out fuse in the switching-on and switching-off processes and intercepting target current signals of the current signals in a target time period;

performing wavelet transformation on the target current signal according to the following formula;

wherein w (t) represents a current signal obtained by performing wavelet transform on the target current signal, α represents a wavelet scale expansion value, and takes a value of (0.5, 1), β represents a wavelet displacement value, and takes a value of (0.5, 1), t represents the target time period, and i (t) represents the target current signal;

the first judgment unit is used for determining the current waveform of the drop-out fuse in the switching-on and switching-off process according to the current signal after the target current signal is subjected to wavelet transformation, and comparing the current waveform with a preset standard current waveform, and the process is as follows:

sampling the preset standard current waveform and the current waveform of the drop-out fuse in the switching-on and switching-off processes, and determining a difference value between the current waveform and the preset standard current waveform according to the following formula;

wherein, T₀A difference value phi between the current waveform and a preset standard current waveform₀Representing difference error, and taking the value as (0.3, 0.5), n represents sampling times, w (i) represents the current value corresponding to the current waveform in the ith sampling, R (i) represents the current value corresponding to the preset standard current waveform in the ith sampling, and tau_iThe sampling error of sampling the ith time between the current waveform and a preset standard current waveform is represented, and the value is (0.99, 1.01);

judging whether the difference value between the current waveform and a preset standard current waveform is within a preset range or not;

if so, judging that the drop-out fuse has no fault;

otherwise, judging that the drop-out fuse has a fault;

the time detection unit is used for collecting the trigger point characteristics of the drop-out fuse when the opening and closing operation instruction is started when the drop-out fuse is determined to be in fault, and calculating the opening and closing time of the drop-out fuse according to the following formula;

wherein T represents the on-off time of the drop-out fuse, epsilon represents the reaction value from the receiving of the on-off operation instruction to the trigger point state of the drop-out fuse, and the value is (0.75, 0)95), m represents the number of times the characteristics of the trigger point of said drop-out fuse are acquired, T_jThe method comprises the steps of representing the collection time of the characteristics of the trigger point of the drop-out fuse collected at the jth time, K representing that the sensitivity of the drop-out fuse is (0.6, 0.9), the value of (0.6, 0.9), e representing a natural constant and the value of 2.72, and T representing the sensitivity of the drop-out fuse₀Representing preset standard time, wherein P represents the environmental interference value of the drop-out fuse in the switching on and off at the time, and the value is (0.2, 0.8);

and the fault determining unit is used for determining the fault type of the drop-out fuse according to the current waveform and the switching-on and switching-off time of the drop-out fuse.

Preferably, the system further comprises an early warning module, wherein the early warning module comprises:

a grading module: the method is used for dividing a bus circuit containing the electric switching-on/off drop-out fuse into a plurality of evaluation units, each evaluation unit at least contains one electric switching-on/off drop-out fuse, and the evaluation parameters in each evaluation unit are determined, wherein the evaluation parameters comprise: working state parameters and environmental parameters; numbering the evaluation units;

the information acquisition module is used for acquiring the working state parameters and the environmental parameters, and the environmental parameters comprise: ambient temperature, ambient wind speed, ambient humidity;

an anomaly determination module: in each evaluation unit, obtaining the components of the electric opening and closing drop-out fuse causing the abnormality of the electric opening and closing drop-out fuse and abnormality associated logic through an abnormality determination module according to a preset abnormality analysis model, wherein the abnormality associated logic comprises: the method comprises the following steps of (1) abnormal logic relation among all components and a first relevance degree of the component abnormality and the abnormality of the electric switching-on/off drop-out fuse; the working state parameters include: the working state parameters of all the components and the working state parameters of the electric switching on/off drop-out fuse are determined;

a first calculation module: the evaluation unit is used for calculating a first difference value of the working state parameter of each component acquired by the grading module and the corresponding preset standard working state parameter, calculating a first ratio of the first difference value to the corresponding preset standard working state parameter, and calculating a first abnormal evaluation value of each electric switching on/off drop-out fuse of each evaluation unit according to a first preset rule based on the first ratio and the first correlation degree;

the second calculation module is used for calculating a second difference value between the environment parameter of each evaluation unit acquired by the information acquisition module and the corresponding preset standard environment parameter, calculating a second ratio of the second difference value to the corresponding preset standard environment parameter, and calculating a second abnormality evaluation value of each evaluation unit according to a second preset rule and a second association degree between the environment parameter abnormality and the evaluation unit abnormality;

a third calculating unit, configured to calculate a comprehensive abnormal value of each evaluation unit according to the first abnormal evaluation value of each electric switching drop-out fuse of each evaluation unit, and a preset importance degree of each electric switching drop-out fuse of each evaluation unit to the line corresponding to the evaluation unit, and a preset importance degree of each evaluation unit relative to the bus line, and the second abnormal evaluation value of each evaluation unit;

and the early warning unit is used for comparing the comprehensive abnormal value of each evaluation unit with the corresponding preset reference abnormal value, and when the comprehensive abnormal value of any evaluation unit is greater than the corresponding preset reference abnormal value, the early warning unit sends early warning information and the number of the corresponding evaluation unit to the monitoring terminal.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

Fig. 1 is a schematic structural diagram of an intelligent control system of an electric switching on/off drop-out fuse provided by the invention;

fig. 2 is another schematic structural diagram of an intelligent control system of an electric switching on/off drop-out fuse provided by the invention;

fig. 3 is a schematic structural diagram of the switching-on/off control module provided by the invention;

fig. 4 is a work flow chart of the intelligent control method of the electric switching on/off drop-out fuse provided by the invention.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.

With the development of a power distribution network, the use amount of the drop-out fuse is huge. Generally, the drop-out fuse needs regular manual maintenance, the traditional method is to perform power-off maintenance on the drop-out fuse when power is cut off in spring inspection, the workload is large, if the power-off area is large, inestimable loss can be caused, and the economic benefit and the social benefit of a power supply enterprise are seriously affected. At present, extensive researchers are actively researching on the drop-out fuse on-line monitoring method, but the on-line monitoring method needs to place on-line monitoring equipment at a monitoring place, modify a line and have higher cost. In order to solve the above problem, the embodiment discloses an intelligent control system for an electric switching on/off drop-out fuse.

Example 1

An intelligent control system for an electric switching-on/off drop-out fuse is shown in fig. 1 and comprises:

the switching-on/off control module 101 is configured to send a request to a remote controller terminal whether to switch a switching-off control mode, receive a target instruction fed back by the remote controller terminal, and select a switching-on mode or a switching-off mode according to the target instruction to perform intelligent detection on the drop-out fuse;

the detection module 102 is configured to perform detection on the state parameter of the drop-out fuse according to the target mode selected by the switching-on/off control module, and obtain a detection result; the state parameters of the drop-out fuse comprise: any one or more of current, voltage, zero sequence, temperature, humidity, and fault dip.

The alarm module 103 is configured to transmit the detection result back to a preset server so that the preset server compares the detection result with preset standard data to determine whether the drop-out fuse fails, and if so, send an alarm prompt;

and the positioning module 104 is configured to acquire positioning information of the drop-out fuse when it is determined that the drop-out fuse has a fault, and upload the positioning information to the remote controller terminal.

The working principle of the technical scheme is as follows: firstly, a switching-on and switching-off control module sends a request for switching a switching-off control mode to a remote controller terminal, a target instruction fed back by the remote controller terminal is received, a switching-on mode or a switching-off mode is selected according to the target instruction to carry out intelligent detection on a drop-out fuse, namely, the switching-on and switching-off tasks of the drop-out fuse are realized through the remote controller terminal in the hand of a worker, then the detection module carries out the detection work of current, voltage, zero sequence, temperature, humidity and fault drop on the drop-out fuse in the switching-on mode or the switching-off mode to obtain a detection result, then the detection result is transmitted back to a preset server through an alarm module so that the preset server compares the detection result with preset standard data to confirm whether the drop-out fuse has a fault, if yes, an alarm prompt is sent, and finally, when the drop-out fuse has a fault is confirmed through a positioning module, and acquiring the positioning information of the drop-out fuse, and uploading the positioning information to the remote controller terminal.

The beneficial effects of the above technical scheme are: the intelligent control of the working mode of the drop-out fuse can be remotely and intelligently controlled by remotely realizing the opening and closing control of the drop-out fuse through the remote controller terminal, online monitoring equipment does not need to be placed at a monitoring place, and then a circuit needs to be reconstructed, so that the cost is saved, furthermore, the fault detection of the drop-out fuse can be remotely and online carried out by detecting a plurality of parameters of the drop-out fuse so as to determine whether the drop-out fuse breaks down, the working efficiency is improved, further, the specific position of the broken-down drop-out fuse can be rapidly determined by a worker through uploading the broken-down drop-out fuse to the remote controller terminal, and then reasonable and effective countermeasures are carried out, so that the safety is improved.

Embodiment 2, on the basis of embodiment 1, as shown in fig. 2, the system further includes:

an obtaining module 201, configured to obtain target hardware information of the remote controller terminal;

the analysis module 202 is configured to determine multiple connectable modes of the remote controller terminal according to the target hardware information;

a receiving module 203, configured to send the connectable modules to the remote controller terminal, and receive a target connection mode selected by the remote controller terminal;

a connection module 204, configured to connect the remote controller terminal through the target connection mode.

The beneficial effects of the above technical scheme are: the connection modes between the remote controller terminal and the remote controller terminal can be rapidly screened out by determining the plurality of connectable modes according to the target hardware information of the remote controller terminal, so that the connection between the remote controller terminal and the remote controller terminal can be rapidly realized, the working efficiency is improved, and the condition that a large amount of time is wasted due to blind trial of the connection mode is avoided.

Example 3

In addition to embodiment 1 or 2, as shown in fig. 3, the switching-on/off control module includes:

the first receiving submodule 1011 is used for receiving a drop-out fuse detection instruction sent by the remote controller terminal;

a generating submodule 1012, configured to generate a request for switching the switching-off control mode according to the drop-out fuse detection instruction;

the analysis submodule 1013 is configured to receive a target instruction fed back by the remote controller terminal, analyze the target instruction, and determine a target mode selected by the remote controller terminal in a closing mode or an opening mode;

an activation sub-module 1014 for activating the detection procedure of the target mode.

The beneficial effects of the above technical scheme are: the request for switching the switching-off control mode is generated by detecting the instruction, so that the operation is not caused by error touch of workers, the stability is improved, further, the target mode selected by the remote controller terminal can be determined by rapidly analyzing the target instruction, the selection of the workers where the remote controller terminal is located can be efficiently judged, and the judgment efficiency is improved.

Example 4

On the basis of any of embodiments 1-3, a detection module comprising:

the first determining submodule is used for determining respective detection sequences of current detection, voltage detection, zero sequence detection, temperature detection, humidity detection and fault drop detection based on a detection program of a target mode;

the detection submodule is used for detecting corresponding data indexes by using respective detection sequences of current detection, voltage detection, zero sequence detection, temperature detection, humidity detection and fault drop detection to obtain first detection data detected by each detection sequence;

and the integration sub-module is used for integrating the first detection data detected by each detection sequence to obtain the detection result.

The beneficial effects of the above technical scheme are: the detection sequences of each function detection are respectively obtained, so that each detection work can be prevented from being influenced by other detections, each function detection can quickly detect corresponding data, the work efficiency is improved, the load carrying capacity of the system is reduced, and the service life is indirectly prolonged.

Example 5

On the basis of any one of embodiments 1-4, the alarm module comprises:

the uploading sub-module is used for uploading the detection result to the preset server;

the confirming submodule is used for confirming whether the preset server completely receives the detection result, if so, subsequent operation is not needed, and otherwise, an error prompt is sent;

the alarm submodule is used for receiving a judgment result of the preset server, sending an alarm prompt if the judgment result indicates that the drop-out fuse is in fault, and not needing to perform subsequent operation if the judgment result indicates that the drop-out fuse is not in fault;

the uploading sub-module is further configured to upload the detection result to the preset server again after the determining sub-module sends the error prompt, and if the detection result cannot be uploaded completely all the time, upload the detection result in different manners until the uploading is successful.

The beneficial effects of the above technical scheme are: whether the preset server completely receives the detection result or not can be ensured to be completely and unmistakably received by the preset server for the detection result at every time and then follow-up work is carried out, the working efficiency is further improved, meanwhile, the stable operation of the preset server for the receiving work of the detection result can be further ensured by uploading the detection result to the preset server in different modes, and the working efficiency is further improved.

Example 6

On the basis of any of embodiments 1 to 5, the positioning module comprises:

the second receiving submodule transmits a first power radio signal and a second power radio signal to the drop-out fuse and receives a first feedback signal and a second feedback signal transmitted by the drop-out fuse, wherein the first power is greater than the second power;

the detection submodule is used for detecting the respective signal intensity of the first feedback signal and the second feedback signal and constructing a signal intensity spectrum corresponding to the respective first feedback signal and the respective second feedback signal;

the construction submodule is used for constructing a signal intensity-power curve graph of the first feedback signal and the second feedback signal according to the signal intensity spectrums corresponding to the first feedback signal and the second feedback signal and the signal intensities of the first feedback signal and the second feedback signal;

the second determining submodule determines the position sequence of the drop-out fuse according to the respective signal intensity-power curve graphs of the first feedback signal and the second feedback signal;

and the transmission submodule is used for transmitting the position sequence to the remote controller terminal as the positioning information of the drop-out fuse.

The beneficial effects of the above technical scheme are: the position sequence of the drop-out fuse is determined according to the feedback signals of the drop-out fuse to the radio signals with different powers, so that the occurrence of deviation in single-strand wave detection can be avoided, and the detection accuracy of the positioning information of the drop-out fuse is ensured.

Example 7

On the basis of any of embodiments 1 to 6, the system further comprises:

the early warning module is used for transmitting early warning information to a mobile phone app of a worker when the falling fuse is confirmed to be in fault;

the acquisition module is used for acquiring a fault image of the drop-out fuse and uploading the fault image to the mobile phone app;

and the evaluation module is used for evaluating the harmfulness and the loss cost according to the image of the fault.

The beneficial effects of the above technical scheme are: through setting up early warning module can make the staff know the fault situation of drop out fuse very first time, and then can carry out subsequent maintenance work fast, avoided the emergence of bigger accident, improved the security, furtherly, through uploading the fault department image of drop out fuse to staff's cell-phone app can make the staff can be fast according to the specific fault type of failure map image evaluation drop out fuse, and then generate counter-measure fast, also improved staff's experience when further having improved work efficiency and felt.

Example 8

On the basis of any of embodiments 1 to 7, the system further comprises: the evaluation module is used for evaluating the influence degree of manual operation on the normal operation of the drop-out fuse, and the evaluation step comprises the following steps:

constructing a standard operation parameter database for manually starting the electric opening and closing;

calling initial parameters of the drop-out fuse from the parameter database, and establishing initial three-dimensional model data for manually starting the electric opening and closing according to the initial parameters;

constructing a standard data template during closing according to the specific position data information of the disconnecting link contact when the electric switching on and off is in place;

performing standard simulation demonstration in the initial three-dimensional model data through the standard data template to obtain a homogeneous transformation matrix for manually starting the electric opening and closing;

acquiring parameters of a simulated mechanical arm, and constructing a manual operation three-dimensional model according to the parameters of the simulated mechanical arm;

performing fusion simulation by using the manual operation three-dimensional model and the initial three-dimensional model data to obtain an operation parameter matrix for manually starting the electric opening and closing;

eliminating the same first matrix factors in the homogeneous transformation matrix and the operation parameter matrix, and combining the remaining second matrix factors to obtain a reasonable operation range set of the electric opening and closing;

collecting current operating parameters of a target user for the electric switching on and off;

determining a real-time operation range set of a target user according to the current operation parameters;

determining error operation parameters of the target user according to the real-time operation range set of the target user and the reasonable operation range set of the electric switching on and off;

establishing an operation evaluation model according to the error operation parameters and the important influence parameters of the drop-out fuse;

evaluating the current operating parameters of the target user by using the operation evaluation model to obtain the evaluation probability of the fault of the drop-out fuse corresponding to each current operating parameter;

counting the average evaluation probability of the current parameters of the target user on the faults of the drop-out fuse;

and determining whether the average evaluation probability is greater than or equal to a preset probability, if so, determining that the influence degree of the current operation parameters of the target user on the normal operation of the drop-out fuse is high, otherwise, determining that the influence degree of the current operation parameters of the target user on the normal operation of the drop-out fuse is low.

The beneficial effects of the above technical scheme are: the probability of the fault of the drop-out fuse during manual operation at each time can be effectively evaluated by evaluating the influence degree of manual operation on the normal operation of the drop-out fuse, and then early warning can be made in advance to enable workers to maintain the drop-out fuse, so that accidents during subsequent manual operation are avoided, the safety is further improved, meanwhile, the reasonability and the standard of each manual operation can be monitored, and the feasibility and the professional degree of the manual operation of the subsequent workers can be improved.

Example 9

On the basis of any one of embodiments 1 to 8, the system further includes a fault judgment module for judging the fault type of the drop-out fuse;

the fault judgment module comprises:

the current acquisition unit is used for acquiring current signals of the drop-out fuse in the switching-on and switching-off processes and intercepting target current signals of the current signals in a target time period;

performing wavelet transformation on the target current signal according to the following formula;

wherein w (t) represents a current signal obtained by performing wavelet transform on the target current signal, α represents a wavelet scale expansion value, and takes a value of (0.5, 1), β represents a wavelet displacement value, and takes a value of (0.5, 1), t represents the target time period, and i (t) represents the target current signal;

the first judgment unit is used for determining the current waveform of the drop-out fuse in the switching-on and switching-off process according to the current signal after the target current signal is subjected to wavelet transformation, and comparing the current waveform with a preset standard current waveform, and the process is as follows:

sampling the preset standard current waveform and the current waveform of the drop-out fuse in the switching-on and switching-off processes, and determining a difference value between the current waveform and the preset standard current waveform according to the following formula;

wherein, T₀A difference value phi between the current waveform and a preset standard current waveform₀The error of the difference is represented by,the value is (0.3, 0.5), n represents the sampling times, w (i) represents the current value of the current waveform in the ith sampling, R (i) represents the current value of the preset standard current waveform in the ith sampling, and tau_iThe sampling error of sampling the ith time between the current waveform and a preset standard current waveform is represented, and the value is (0.99, 1.01);

judging whether the difference value between the current waveform and a preset standard current waveform is within a preset range or not;

if so, judging that the drop-out fuse has no fault;

otherwise, judging that the drop-out fuse has a fault;

the time detection unit is used for collecting the trigger point characteristics of the drop-out fuse when the opening and closing operation instruction is started when the drop-out fuse is determined to be in fault, and calculating the opening and closing time of the drop-out fuse according to the following formula;

wherein T represents the on-off time of the drop-out fuse, epsilon represents the reaction value from the receiving of the on-off operation instruction to the trigger point state of the drop-out fuse, the value is (0.75, 0.95), m represents the times of collecting the trigger point characteristics of the drop-out fuse, and T represents the number of times of collecting the trigger point characteristics of the drop-out fuse_jThe method comprises the steps of representing the collection time of the characteristics of the trigger point of the drop-out fuse collected at the jth time, K representing that the sensitivity of the drop-out fuse is (0.6, 0.9), the value of (0.6, 0.9), e representing a natural constant and the value of 2.72, and T representing the sensitivity of the drop-out fuse₀Representing preset standard time, wherein P represents the environmental interference value of the drop-out fuse in the switching on and off at the time, and the value is (0.2, 0.8);

the fault determining unit is used for determining the fault type of the drop-out fuse according to the current waveform and the switching-on and switching-off time of the drop-out fuse;

in this embodiment, performing wavelet transform on the target current signal may better characterize details of the target current signal, may also remove noise of the target current signal, and may better identify whether the target current signal is faulty or not.

In this embodiment, the difference error is used to indicate an error caused by a difference between the current waveform and a preset standard current waveform in an obtaining manner, where the larger the difference in the obtaining manner, the larger the difference error.

In this embodiment, the sampling error is used to indicate an error caused by the difference between the current waveform and a preset standard current waveform in a sampling process, and the difference error is larger when the sampling process difference is larger.

In this embodiment, the trigger point characteristics of the drop-out fuse include start triggering, middle triggering, and end triggering, where the triggering includes multiple characteristics, each of the characteristics corresponds to a different acquisition time, and acquiring the trigger point characteristics of the drop-out fuse can better understand the state of the trigger point, so that the calculation of the on-off time of the drop-out fuse is more accurate.

In this embodiment, the environmental interference value of the drop-out fuse in this switching on and off includes interference such as temperature and humidity, and the larger the deviation from the preset temperature range and the preset humidity temperature range is, the larger the environmental interference value is.

The beneficial effect of above-mentioned design is: whether the drop-out fuse has a fault is determined through the current waveform and the switching time of the drop-out fuse in the switching-on and switching-off process, if the fault exists, the fault type is determined, wavelet transformation is carried out in the process of obtaining the current waveform, the accuracy of the current waveform is guaranteed, the accuracy of fault detection is improved, in the process of calculating the switching-on and switching-off time, the characteristics of trigger points are collected, the time in each characteristic state is determined, the switching-on and switching-off time of the drop-out fuse is calculated more accurately, the influence of the sensitivity and the switching-on and switching-off environment of the drop-out fuse on the switching-on and switching-off time is considered, the switching-on and switching-off time is more accurate, and the accuracy of judging the fault type of the drop-out fuse is guaranteed.

The embodiment also discloses a control method of the control system, as shown in fig. 4, including the following steps:

step S401, sending a request whether to switch an opening control mode to a remote controller terminal, receiving a target instruction fed back by the remote controller terminal, and selecting a closing mode or an opening mode according to the target instruction to perform intelligent detection on the drop-out fuse;

s402, detecting current, voltage, zero sequence, temperature, humidity and fault drop of the drop-out fuse according to the target mode selected by the switching-on and switching-off control module, and obtaining a detection result;

step S403, the detection result is transmitted back to a preset server so that the preset server compares the detection result with preset standard data to confirm whether the drop-out fuse is in fault, and if yes, an alarm prompt is sent;

and S404, when the drop-out fuse is confirmed to be in fault, acquiring the positioning information of the drop-out fuse, and uploading the positioning information to the remote controller terminal.

The working principle and the advantageous effects of the above technical solutions have been described in the system claims, and are not described herein again.

Example 10

On the basis of any of embodiments 1-9, the system further comprises a pre-warning module, the pre-warning module comprising:

a grading module: the method is used for dividing a bus circuit containing the electric switching-on/off drop-out fuse into a plurality of evaluation units, each evaluation unit at least contains one electric switching-on/off drop-out fuse, and the evaluation parameters in each evaluation unit are determined, wherein the evaluation parameters comprise: working state parameters and environmental parameters; numbering the evaluation units; preferably, the dividing evaluation unit may determine the number of the divided evaluation units based on the environment of each part of the bus line and the distribution state of the electric switching on/off drop-out fuses (the adjacent and mutually associated electric switching on/off drop-out fuses may be divided into one evaluation unit according to the association degree between the electric switching on/off drop-out fuses);

the information acquisition module is used for acquiring the working state parameters and the environmental parameters, and the environmental parameters comprise: ambient temperature, ambient wind speed, ambient humidity; the method can also comprise the height of the electric opening and closing drop-out fuse from the ground and/or surface state parameters of the electric opening and closing drop-out fuse and circuits around the electric opening and closing drop-out fuse (for example, a surface image can be obtained through a camera, and compared with a preset reference undamaged image and damage images of different grades, the damage grade is determined, the damage grade value is 0-5, and 0 represents undamaged); the environmental parameters take the aspects into consideration, so that the reliability of evaluation is improved;

an anomaly determination module: in each evaluation unit, obtaining the components of the electric opening and closing drop-out fuse causing the abnormality of the electric opening and closing drop-out fuse and abnormality associated logic through an abnormality determination module according to a preset abnormality analysis model, wherein the abnormality associated logic comprises: the abnormal logic relationship among all the components (such as the abnormal component A, which inevitably causes the abnormal component B) and the first association degree of the abnormal component and the abnormal component of the electric opening and closing drop-out fuse (the value is more than 0 and less than 1, the larger the probability that the abnormal component causes the abnormal fuse is, the larger the first association degree is); the working state parameters include: working state parameters of each component (such as position parameters and/or mechanical parameters of a key mechanical connection part and electrical parameters of an electrical connection part, wherein the position parameters comprise any one or more of an included angle formed by the position parameters and a distance between corresponding points of the position parameters and the mechanical parameters comprise acting force between the connection parts, the electrical parameters comprise current, voltage and the like, can be set to be detected by corresponding sensors and the like) and working state parameters of the electric on-off drop-out fuse;

a first calculation module: for calculating the working state parameter (such as C) of each component acquired by the grading module and corresponding preset standard working state parameter (such as C)₀) And calculating a first ratio [ e.g., (C-C) of the first difference to the corresponding predetermined standard operating condition parameter₀)/C₀]And are based onCalculating a first abnormal evaluation value of each electric switching on/off drop-out fuse of each evaluation unit according to a first preset rule on the basis of the first ratio and the first correlation degree;

the second calculation module is used for calculating a second difference value between the environment parameter of each evaluation unit acquired by the information acquisition module and the corresponding preset standard environment parameter, calculating a second ratio of the second difference value to the corresponding preset standard environment parameter, and calculating a second abnormal evaluation value of each evaluation unit according to a second preset rule according to the second ratio and a second association degree (the value is greater than 0 and less than 1, the probability that the evaluation unit is abnormal due to the abnormal environment parameter is greater, and the second association degree is greater) between the abnormal environment parameter and the abnormal evaluation unit;

a third calculating unit, configured to calculate a comprehensive abnormal value of each evaluation unit according to the first abnormal evaluation value of each electric switching drop-out fuse of each evaluation unit, and a preset importance degree of each electric switching drop-out fuse of each evaluation unit to the line corresponding to the evaluation unit, and a preset importance degree of each evaluation unit relative to the bus line, and the second abnormal evaluation value of each evaluation unit;

and the early warning unit is used for comparing the comprehensive abnormal value of each evaluation unit with the corresponding preset reference abnormal value, and when the comprehensive abnormal value of any evaluation unit is greater than the corresponding preset reference abnormal value, the early warning unit sends early warning information and the number of the corresponding evaluation unit to the monitoring terminal.

The working principle and the beneficial effects of the technical scheme are as follows: firstly, dividing a bus circuit containing the electric switching-on/off drop-out fuse into a plurality of evaluation units through a grading module, wherein each evaluation unit at least comprises one electric switching-on/off drop-out fuse (wherein all the electric drop-out fuses of each evaluation unit can be the same or different), determining evaluation parameters in each evaluation unit, and the evaluation parameters comprise: working state parameters and environmental parameters; the evaluation is convenient to be respectively carried out based on each evaluation unit, and the evaluation is based on the comprehensive influence of the working state parameters and the environmental parameters, so that the reliability of the evaluation is ensured; the dividing units evaluate respectively, so that the overall evaluation is avoided, and the difference of each part is not considered;

then, the information acquisition module is used for acquiring the working state parameters and the environmental parameters; the anomaly determination module then: in each evaluation unit, acquiring a component and an abnormal association logic of the electric switching-on and switching-off drop-out fuse causing the abnormality of the electric switching-on and switching-off drop-out fuse and a first association degree of the abnormality of the component and the abnormality of the electric switching-on and switching-off drop-out fuse through an abnormality determination module according to a preset abnormality analysis model; determining the abnormality of the components of the electric opening and closing drop-out fuse according to the specific type of the electric opening and closing drop-out fuse, and the correlation logic, the first correlation degree and the related parameters of the abnormality of the electric opening and closing drop-out fuse;

the first computing module then: the evaluation unit is used for calculating a first difference value of the working state parameter of each component acquired by the grading module and the corresponding preset standard working state parameter, calculating a first ratio of the first difference value and the corresponding preset standard working state parameter, and calculating a first abnormal evaluation value of each electric switching on/off drop-out fuse of each evaluation unit according to a first preset rule based on the first ratio and the first correlation; calculating a first abnormal evaluation value caused by the working state parameter based on the rule and the specific parameter;

the second calculation module is used for calculating a second difference value between the environment parameter of each evaluation unit acquired by the information acquisition module and the corresponding preset standard environment parameter, calculating a second ratio of the second difference value to the corresponding preset standard environment parameter, and calculating a second abnormality evaluation value of each evaluation unit according to a second preset rule and a second association degree between the environment parameter abnormality and the evaluation unit abnormality; (ii) a Calculating a second anomaly evaluation value caused by the environmental parameter based on the rule and the specific parameter;

and finally, a third calculating unit, configured to calculate a comprehensive abnormal value of each evaluation unit according to the first abnormal evaluation value of each electric switching drop-out fuse of each evaluation unit, and the preset importance of each electric switching drop-out fuse of each evaluation unit to the line corresponding to the evaluation unit, and the preset importance of each evaluation unit relative to the bus line, and the second abnormal evaluation value of each evaluation unit; the comprehensive abnormal value of each evaluation unit is comprehensively calculated based on the environmental parameter abnormality, the working state abnormality and the two importance degrees.

And by comparing the comprehensive abnormal value of each evaluation unit with the corresponding preset reference abnormal value, when the comprehensive abnormal value of any evaluation unit is greater than the corresponding preset reference abnormal value, the early warning unit sends early warning information and the number of the corresponding evaluation unit to the monitoring terminal, so that the alarm is realized respectively based on the specific state of the specific evaluation unit, the alarm is realized in time when each unit is abnormal, and the specific number is determined (the abnormal position can be conveniently determined).

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.