阅读说明：本技术 一种基于大数据的电力系统高压设备故障检测系统 (Big data-based power system high-voltage equipment fault detection system ) 是由 田汉 何亮 于 2020-11-06 设计创作，主要内容包括：本发明公开一种基于大数据的电力系统高压设备故障检测系统,包括温度检测模块、动力驱动执行检测模块、静态参数检测模块、状态参数预处理模块、开合触动管理服务模块、开合故障诊断模块和故障修正调整机构。本发明通过对检测动静触头接触位置处的温度、采集的隔离开关的执行状态参数进行分析,并代入各故障类型对应的开合闸故障剖析模型分析出隔离开关所对应的各故障剖析模型下的故障类型匹配度系数,通过筛选出最大的各故障剖析模型下的故障类型匹配度系数,能够准确分析出隔离开关在当前状态下的故障类型,实现隔离开关故障定位的准确性,以对隔离开关的故障进行修护处理。(The invention discloses a big data-based power system high-voltage equipment fault detection system which comprises a temperature detection module, a power driving execution detection module, a static parameter detection module, a state parameter preprocessing module, an opening and closing touch management service module, an opening and closing fault diagnosis module and a fault correction adjusting mechanism. According to the invention, the fault type matching degree coefficient under each fault analysis model corresponding to the isolating switch is analyzed by detecting the temperature at the contact position of the movable contact and the fixed contact and by substituting the temperature and the acquired execution state parameters of the isolating switch into the opening and closing gate fault analysis model corresponding to each fault type, and the fault type under the current state of the isolating switch can be accurately analyzed by screening out the maximum fault type matching degree coefficient under each fault analysis model, so that the accuracy of fault positioning of the isolating switch is realized, and the fault of the isolating switch is repaired.)

1. The utility model provides a power system high voltage equipment fault detection system based on big data which characterized in that: the system comprises a temperature detection module, a power driving execution detection module, a static parameter detection module, a state parameter preprocessing module, an opening and closing touch management service module, an opening and closing fault diagnosis module and a fault correction adjusting mechanism;

the temperature detection module is a temperature sensor, is arranged at the contact position of the movable and fixed contacts, and is used for detecting the temperature at the contact position of the movable and fixed contacts in real time and sending the detected temperature at the contact position of the movable and fixed contacts to the opening and closing touch management service module;

the power driving execution detection module is used for detecting the execution state parameters of the power driving mechanism of the isolating switch in the process of executing the opening and closing operation of the conductive knife switch and respectively sending the execution state parameters of the detected power driving mechanism in the process of executing the opening and closing operation of the conductive knife switch to the state parameter preprocessing module and the opening and closing touch management service module;

the static angle detection module is used for detecting the angle value of the conductive knife switch in the static state and sending the detected angle value of the conductive knife switch in the static state to the state parameter preprocessing module;

the state parameter preprocessing module is used for receiving the angle value of the conductive knife switch in the static state sent by the static angle detection module, and receiving the execution state parameters sent by the power drive execution detection module, extracting the rotation angle and the rotation direction of the driving shaft in the execution state parameters to count the angle of the current conductive knife switch, extracting the driving shaft rotation torque in the execution state parameters, comparing the driving shaft rotation torque with the standard rotation torque of the driving shaft, screening out the maximum driving shaft rotation torque in the execution state parameters and the time length T required for the driving shaft rotation torque to be recovered to the standard rotation torque, sending the current angle of the conductive knife switch, the maximum driving shaft rotation torque when the driving shaft acts on the conductive knife switch and the time length T required for the driving shaft rotation torque to be recovered to the standard rotation torque to an opening and closing touch management server;

the open-close touch management server receives the temperatures of the contact positions of the movable and fixed contacts sent by the temperature detection module, judges whether the temperatures of the contact positions of the movable and fixed contacts are greater than a preset environment temperature, screens out the temperature difference of the movable and fixed contacts greater than the preset environment temperature, extracts the temperature difference of the movable and fixed contacts greater than the preset environment temperature in equal time periods, compares the temperature difference of the movable and fixed contacts in each equal time period with the temperature difference range corresponding to each temperature grade, obtains the temperature grade of the contact positions of the movable and fixed contacts in each equal time period, extracts the temperature weight proportion coefficient corresponding to each temperature grade, extracts the current angle of the conductive knife switch, the maximum driving shaft rotation torque when the driving shaft acts on the conductive knife switch and the time length t required by the driving shaft rotation torque to be recovered to the standard rotation torque, and respectively extracts the current angle of the conductive knife and the angle range of the conductive knife switch for closing, Comparing the angle ranges of the conductive knife blade under the condition of complete opening to obtain angle opening and closing coefficients delta, wherein delta is alpha 1, alpha 2, alpha 1 and alpha 2 respectively refer to the angle opening and closing coefficient of the conductive knife blade under the closed state and the angle opening and closing coefficient of the conductive knife blade under the condition of complete opening and closing, and the opening and closing touch management server compares the temperature difference, the temperature grade and the angle opening and closing coefficient of the contact position of the movable and fixed contacts in each equal time period, the maximum driving shaft rotation torque and the time t required for restoring the driving shaft rotation torque to the standard rotation torque are respectively substituted into the constructed switching brake fault analysis model, the fault type matching degree coefficient theta under each fault analysis model is counted, the fault type matching degree coefficient under each fault analysis model is sent to the switching fault diagnosis module, and the fault type matching degree coefficient is extracted and sent to the switching fatigue analysis module;

the switching fault diagnosis module is used for receiving fault type matching degree coefficients under each fault analysis model sent by the switching touch management server, screening out a fault type corresponding to the maximum matching degree coefficient in the fault type matching degree coefficients, screening out a fault type correction instruction corresponding to the fault type according to the fault type to send to the fault correction adjustment mechanism, and meanwhile screening out fault fatigue coefficients corresponding to the fault types in sequence, and once the fault fatigue coefficient corresponding to one fault type is larger than a set fault fatigue coefficient threshold value, replacing an element causing the fault type;

and the fault correction adjusting mechanism receives a fault type correction instruction corresponding to the fault type sent by the switching fault diagnosis module and carries out repair processing on the position of the isolating switch with the fault.

2. The big data based power system high voltage equipment fault detection system of claim 1, wherein: the angle detector comprises a plurality of signal transmitting ends and a plurality of signal receiving ends, the signal transmitting ends and the signal receiving ends are respectively arranged on two sides of the conducting blade, the serial numbers of the signal transmitting ends and the signal receiving ends are respectively 1,2, a, m, the signal transmitting end of each serial number is provided with the signal receiving end corresponding to the same serial number, namely, the signal transmitting end of one serial number sends a signal and only the signal receiving end corresponding to the same serial number as the signal transmitting end receives the signal, the signal transmitting ends and the signal receiving ends are respectively distributed along the circumference, each signal transmitting end corresponds to different angles, and when the conducting switch blade is positioned and shelters from the signal transmitted by the n signal transmitting ends, the static angle numerical value corresponding to the conducting switch bladew≤n，n≥1，And is expressed as an angle value corresponding to the w-th signal transmitting end in the shielded state.

3. The big data based power system high voltage equipment fault detection system of claim 1, wherein: the formula of the rotation angle corresponding to the current angle after the conductive knife switch rotates isBeta is the rotation angle of the driving shaft,the angle value of the conductive knife switch in a static state, namely the angle of the conductive knife switch when the conductive knife switch is not driven by the power driving mechanism, gamma is a value corresponding to the rotating direction and is 1 or-1, when the conductive knife switch rotates clockwise, gamma is equal to 1, and when the conductive knife switch rotates anticlockwise, gamma is equal to-1.

4. The big data based power system high voltage equipment fault detection system of claim 1, wherein: fault type matching degree coefficient under each fault analysis modelEta 1, eta 2 and eta 3 are respectively expressed as interference influence proportional coefficients under the faults of jamming of the isolating switch, insufficient opening and closing of the isolating switch and insufficient clamping force of the contact, delta is expressed as an angle opening and closing coefficient, alpha 1 and alpha 2 are respectively expressed, T is expressed as maximum driving shaft rotation torque, and T is expressed as_{Sign board}Expressed as a standard rotational torque, t is expressed as a period of time required for the drive shaft rotational torque to return to the standard rotational torque, t_{Is provided with}Expressed as a preset duration required for the rotational torque to return to the standard rotational torque during the closing of the drive shaft, E_jExpressed as the temperature difference at the contact position of the moving contact and the static contact in the jth equal time period,and expressing a temperature weight proportion coefficient occupied by a temperature grade corresponding to the temperature difference in the jth equal time period, wherein the temperature grade L is L1, L2, LV, gL1+ gL2+. + gLV ═ 1, and gL1 < gL2 < > gLV.

5. The big data based power system high voltage equipment fault detection system of claim 1, wherein: failure fatigue coefficient corresponding to each failure typeS_fF is the number of times of occurrence of the F-th fault type, and F is the total seed corresponding to the fault typeThe class of the user is a generic class,the fault type comprises the occurrence frequency corresponding to the fault type with the largest occurrence frequency in all fault types, wherein the fault types comprise blocking of an isolating switch, incomplete opening and closing of a switch and insufficient clamping force of a contact, and the number corresponding to each fault type is 1, 2.

Technical Field

The invention belongs to the technical field of fault management of an electric power system, and relates to a big data-based fault detection system for high-voltage equipment of the electric power system.

Background

In the operation process of the current power grid system, equipment in a transformer substation plays an irreplaceable role, and the irreplaceable role is not only a hub center of the whole power grid system, but also an important guarantee for ensuring the safe and stable operation of the whole power grid system. Once equipment in a substation fails, the safety and stability of a power grid system are seriously affected, and particularly for a disconnecting switch, the disconnecting switch has the functions of isolating a power supply, switching operation and connecting and disconnecting a low-current circuit, and the disconnecting switch cannot cut off load current and short-circuit current without a special arc extinguishing device and can be operated under the condition that a circuit breaker disconnects a circuit. Along with the influence of the opening and closing service condition of the isolating switch and the environmental factors, the isolating switch often has the problems of switch jam, incomplete opening and closing, insufficient contact clamping force and the like, and the safety of a power grid is seriously influenced.

The fault detection of the existing isolating switch adopts manual inspection, manual processing is carried out on the inspection faults, manpower and material resources are wasted, the inspection accuracy is poor, the fault type of the isolating switch cannot be analyzed timely and accurately, the isolating switch cannot be subjected to targeted fault maintenance according to the fault type corresponding to the isolating switch, and in order to guarantee safe use of the isolating switch in the power system, a power system high-voltage equipment fault detection system based on big data is designed.

Disclosure of Invention

The invention aims to provide a big data-based power system high-voltage equipment fault detection system, which solves the problems in the prior art.

The purpose of the invention can be realized by the following technical scheme:

a big data-based fault detection system for high-voltage equipment of an electric power system comprises a temperature detection module, a power driving execution detection module, a static parameter detection module, a state parameter preprocessing module, an opening and closing touch management service module, an opening and closing fault diagnosis module and a fault correction adjusting mechanism;

the temperature detection module is a temperature sensor, is arranged at the contact position of the movable and fixed contacts, and is used for detecting the temperature at the contact position of the movable and fixed contacts in real time and sending the detected temperature at the contact position of the movable and fixed contacts to the opening and closing touch management service module;

the power driving execution detection module is used for detecting the execution state parameters of the power driving mechanism of the isolating switch in the process of executing the opening and closing operation of the conductive knife switch and respectively sending the execution state parameters of the detected power driving mechanism in the process of executing the opening and closing operation of the conductive knife switch to the state parameter preprocessing module and the opening and closing touch management service module;

the static angle detection module is used for detecting the angle value of the conductive knife switch in the static state and sending the detected angle value of the conductive knife switch in the static state to the state parameter preprocessing module;

the state parameter preprocessing module is used for receiving the angle value of the conductive knife switch in the static state sent by the static angle detection module, and receiving the execution state parameters sent by the power drive execution detection module, extracting the rotation angle and the rotation direction of the driving shaft in the execution state parameters to count the angle of the current conductive knife switch, extracting the driving shaft rotation torque in the execution state parameters, comparing the driving shaft rotation torque with the standard rotation torque of the driving shaft, screening out the maximum driving shaft rotation torque in the execution state parameters and the time length T required for the driving shaft rotation torque to be recovered to the standard rotation torque, sending the current angle of the conductive knife switch, the maximum driving shaft rotation torque when the driving shaft acts on the conductive knife switch and the time length T required for the driving shaft rotation torque to be recovered to the standard rotation torque to an opening and closing touch management server;

the open-close touch management server receives the temperatures of the contact positions of the movable and fixed contacts sent by the temperature detection module, judges whether the temperatures of the contact positions of the movable and fixed contacts are greater than a preset environment temperature, screens out the temperature difference of the movable and fixed contacts greater than the preset environment temperature, extracts the temperature difference of the movable and fixed contacts greater than the preset environment temperature in equal time periods, compares the temperature difference of the movable and fixed contacts in each equal time period with the temperature difference range corresponding to each temperature grade, obtains the temperature grade of the contact positions of the movable and fixed contacts in each equal time period, extracts the temperature weight proportion coefficient corresponding to each temperature grade, extracts the current angle of the conductive knife switch, the maximum driving shaft rotation torque when the driving shaft acts on the conductive knife switch and the time length t required by the driving shaft rotation torque to be recovered to the standard rotation torque, and respectively extracts the current angle of the conductive knife and the angle range of the conductive knife switch for closing, Comparing the angle ranges of the conductive knife blade under the condition of complete opening to obtain angle opening and closing coefficients delta, wherein delta is alpha 1, alpha 2, alpha 1 and alpha 2 respectively refer to the angle opening and closing coefficient of the conductive knife blade under the closed state and the angle opening and closing coefficient of the conductive knife blade under the condition of complete opening and closing, and the opening and closing touch management server compares the temperature difference, the temperature grade and the angle opening and closing coefficient of the contact position of the movable and fixed contacts in each equal time period, the maximum driving shaft rotation torque and the time t required for restoring the driving shaft rotation torque to the standard rotation torque are respectively substituted into the constructed switching brake fault analysis model, the fault type matching degree coefficient theta under each fault analysis model is counted, the fault type matching degree coefficient under each fault analysis model is sent to the switching fault diagnosis module, and the fault type matching degree coefficient is extracted and sent to the switching fatigue analysis module;

the switching fault diagnosis module is used for receiving fault type matching degree coefficients under each fault analysis model sent by the switching touch management server, screening out a fault type corresponding to the maximum matching degree coefficient in the fault type matching degree coefficients, screening out a fault type correction instruction corresponding to the fault type according to the fault type to send to the fault correction adjustment mechanism, and meanwhile screening out fault fatigue coefficients corresponding to the fault types in sequence, and once the fault fatigue coefficient corresponding to one fault type is larger than a set fault fatigue coefficient threshold value, replacing an element causing the fault type;

and the fault correction adjusting mechanism receives a fault type correction instruction corresponding to the fault type sent by the switching fault diagnosis module and carries out repair processing on the position of the isolating switch with the fault.

Furthermore, the angle detector comprises a plurality of signal transmitting ends and a plurality of signal receiving ends, the signal transmitting ends and the signal receiving ends are respectively arranged at two sides of the execution conductive blade, and each signal transmitting end and each signal receiving end are respectively arranged at two sides of the execution conductive bladeThe serial numbers of the terminals are respectively 1,2, 1, m, each serial signal transmitting terminal is provided with a signal receiving terminal corresponding to the same serial number, namely, a signal transmitted by one serial signal transmitting terminal is provided with a signal receiving terminal only having the same serial number as the signal transmitting terminal for receiving, each signal transmitting terminal and each signal receiving terminal are respectively distributed along the circumference, each signal transmitting terminal corresponds to different angles, and when the conductive switch blade is positioned to shield n signal transmitting terminals from transmitting signals, the static angle numerical value corresponding to the conductive switch blade And is expressed as an angle value corresponding to the w-th signal transmitting end in the shielded state.

Further, the formula of the rotation angle corresponding to the current angle after the conductive knife switch rotates isBeta is the rotation angle of the driving shaft,the angle value of the conductive knife switch in a static state, namely the angle of the conductive knife switch when the conductive knife switch is not driven by the power driving mechanism, gamma is a value corresponding to the rotating direction and is 1 or-1, when the conductive knife switch rotates clockwise, gamma is equal to 1, and when the conductive knife switch rotates anticlockwise, gamma is equal to-1.

Further, the fault type matching degree coefficient theta under each fault analysis modelEta 1, eta 2 and eta 3 are respectively expressed as interference influence proportional coefficients under the faults of jamming of the isolating switch, insufficient opening and closing of the isolating switch and insufficient clamping force of the contact, delta is expressed as an angle opening and closing coefficient, alpha 1 and alpha 2 are respectively expressed, T is expressed as maximum driving shaft rotation torque, and T is expressed as_{Sign board}Expressed as a standard rotational torque, t is expressed as a period of time required for the drive shaft rotational torque to return to the standard rotational torque, t_{Is provided with}Expressed as a preset duration required for the rotational torque to return to the standard rotational torque during the closing of the drive shaft, E_jExpressed as the temperature difference at the contact position of the moving contact and the static contact in the jth equal time period,and expressing a temperature weight proportion coefficient occupied by a temperature grade corresponding to the temperature difference in the jth equal time period, wherein the temperature grade L is L1, L2, LV, gL1+ gL2+. + gLV ═ 1, and gL1 < gL2 < > gLV.

Further, the failure fatigue coefficient corresponding to each failure typeS_fF is the frequency of occurrence of the F-th fault type, F is the total type corresponding to the fault type,the fault type comprises the occurrence frequency corresponding to the fault type with the largest occurrence frequency in all fault types, wherein the fault types comprise blocking of an isolating switch, incomplete opening and closing of a switch and insufficient clamping force of a contact, and the number corresponding to each fault type is 1, 2.

The invention has the beneficial effects that:

1. the invention provides a big data-based power system high-voltage equipment fault detection system, which analyzes the acquired execution state parameters of an isolating switch, counts the current angle of a conductive knife switch of the isolating switch in the process of executing opening and closing operation, the maximum driving shaft rotating torque when a driving shaft acts on the execution conductive knife switch and the time length required for the driving shaft rotating torque to be recovered to the standard rotating torque, detects the temperature at the contact position of a movable contact and a fixed contact by combining a temperature detection module, substituting the fault analysis model into the open-close brake fault analysis model corresponding to each fault type to analyze the fault type matching degree coefficient under each fault analysis model corresponding to the isolating switch, through screening out the largest fault type matching degree coefficient under each fault analysis model, the matching degree between the isolating switch and each fault type can be accurately realized, and the accuracy of fault matching detection and the accuracy of analysis are improved.

2. According to the invention, the fault type matching degree coefficient corresponding to each fault type is analyzed through the opening and closing fault diagnosis module, the fault type corresponding to the largest fault type matching degree coefficient is screened out, the fault type of the isolating switch in the current state can be accurately analyzed, the accuracy of isolating switch fault positioning is realized, and the fault fatigue coefficient statistics is carried out on the occurrence frequency of the isolating switch in each fault type, so that the element causing the fault fatigue coefficient corresponding to each fault type to be larger than the set fault fatigue coefficient threshold value is replaced, the normal opening and closing use of the isolating switch is ensured, the use safety of the isolating switch is improved, and the safety and the stability of a power system are improved.

3. According to the invention, the height extension piece is arranged on the lifting adjusting seat, and the air cylinder is arranged on the connecting seat to realize two-stage adjusting operation of correcting the height of the adjusting assembly, so that the adjusting requirements of different heights are met; the guide screw drives the limiting clamping plates to slide in the limiting grooves, and the channel steel of the isolating switch is clamped through the clamping grooves in the inner sides of the two limiting clamping plates so as to synchronously control the position of the correction processing mechanism relative to the isolating switch.

4. The sliding L-shaped plate is pushed to move by the first electric push rod so as to adjust the position relation between the pressing plate connected with the second electric push rod and the clamping adjusting mechanism, the conversion feeding unit is pushed by the pressing plate to move towards the connecting end close to the conductive knife switch, the feeding distance of large displacement is reduced to the feeding distance of small displacement by the limiting rotary column in sliding fit with the conversion feeding unit, the effect of gradual feeding and pressing is realized, meanwhile, the rotation of the limiting rotary column can drive the clamping adjusting plate to move towards the connecting end close to or far away from the conductive knife switch, the pressing or loosening adjustment of the connecting end of the conductive knife switch is realized, and the normal use of the conductive knife switch in the process of opening and closing the switch is ensured.

5. According to the invention, the buffer springs are arranged on the two sides of the middle protection clamping plate, so that the middle protection clamping plate can be conveniently placed in the gap of the middle part of the conductive switch blade, the steering rod is driven to rotate through the meshing relation between the gears, the rotating angle of the conductive switch blade side repairing mechanism is adjusted, the steering rod is further driven to move through the electric telescopic rod, the compression roller is driven to repair the conductive switch blade between the compression roller and the middle protection clamping plate, the deformed part of the conductive switch blade in the using process can be repaired, and the problems of jamming of an isolating switch, improper switching on and off and the like are solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of a big data based high voltage device fault detection system for an electrical power system according to the present invention;

FIG. 2 is a schematic view of the angle detection of the conductive blade of the present invention;

FIG. 3 is a schematic view of the distribution of angle detection positions in the present invention;

FIG. 4 is a schematic view of a fault correction adjustment mechanism of the present invention;

FIG. 5 is a top view of FIG. 4 of the present invention;

FIG. 6 is a cross-sectional view of a corrective adjustment assembly of the present invention;

FIG. 7 is a schematic diagram of a disconnector according to the invention;

FIG. 8 is a schematic view of a clamping adjustment mechanism of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 8, a fault detection system for high-voltage equipment of an electrical power system based on big data includes a temperature detection module, a power driving execution detection module, a static parameter detection module, a state parameter preprocessing module, an opening and closing touch management service module, an opening and closing fault diagnosis module, and a fault correction adjustment mechanism.

The temperature detection module is a temperature sensor, is arranged at the contact position of the moving contact and the fixed contact and is used for detecting the temperature at the contact position of the moving contact and the fixed contact in real time and sending the detected temperature at the contact position of the moving contact and the fixed contact to the opening and closing touch management service module.

The power driving execution detection module is used for detecting execution state parameters of a power driving mechanism of the isolating switch in the process of executing the opening and closing operation of the conductive knife switch, and sending the execution state parameters of the detected power driving mechanism in the process of executing the opening and closing operation of the conductive knife switch to the state parameter preprocessing module and the opening and closing touch management service module respectively, wherein the execution state parameters comprise the rotation angle, the rotation direction, the rotation torque and the like of a driving shaft in the power driving mechanism, the driving shaft drives the opening and closing of the conductive knife switch, and the structure that the driving shaft drives the conductive knife switch is not disclosed in the application.

The static angle detection module is used for detecting the angle value of the conductive knife switch in the static state and sending the detected angle value of the conductive knife switch in the static state to the state parameter preprocessing module, the angle detector comprises a plurality of signal transmitting ends and a plurality of signal receiving ends, the signal transmitting ends and the signal receiving ends are respectively arranged at two sides of the execution conductive blade, the numbers of the signal transmitting ends and the signal receiving ends are respectively 1,2, 1 and m, each numbered signal transmitting end is provided with the signal receiving end corresponding to the same number, namely the signal transmitting end of one number sends a signal and only the signal receiving end with the same number as the signal transmitting end receives the signal, the signal transmitting ends and the signal receiving ends are respectively distributed along the circumference, each signal transmitting end corresponds to different angles, when the conductive knife switch is positioned to shield the n signal transmitting ends from transmitting signals, static angle value corresponding to conductive knife switch And is expressed as an angle value corresponding to the w-th signal transmitting end in the shielded state.

The state parameter preprocessing module is used for receiving the angle value of the conductive knife switch in the static state sent by the static angle detection module, receiving the execution state parameter sent by the power drive execution detection module, extracting the rotation angle and the rotation direction of the drive shaft in the execution state parameter, and calculating the angle of the current conductive knife switch through a rotation angle formulaBeta is the rotation angle of the driving shaft,the angle value of the conductive knife switch in a static state, namely the angle of the conductive knife switch when the conductive knife switch is not driven by a power driving mechanism, gamma is a value corresponding to the rotating direction and can be 1 or-1, when the conductive knife switch rotates clockwise, gamma is equal to 1, when the conductive knife switch rotates anticlockwise, gamma is equal to-1, the driving shaft rotating torque in the execution state parameter is extracted, the driving shaft rotating torque is compared with the standard rotating torque of the driving shaft, the maximum driving shaft rotating torque in the execution state parameter and the time length T required for the driving shaft rotating torque to return to the standard rotating torque are screened out, and the current angle of the conductive knife switch, the maximum driving shaft rotating torque when the driving shaft acts on the conductive knife switch and the time length T required for the driving shaft rotating torque to return to the standard rotating torque are sent to an opening and closing touch management server, the standard driving torque of the driving shaft is a torque value corresponding to the rotating speed of the motor under rated output power and rated output power, T is 9550P/n, P is output power, and n is the rotating speed of the driving shaft of the motor.

The opening and closing touch management server receives the temperatures of the contact positions of the moving contact and the fixed contact sent by the temperature detection module, judges whether the temperatures of the contact positions of the moving contact and the fixed contact are greater than a preset environment temperature or not, and screens out the large contactThe method comprises the steps of obtaining the temperature difference of a moving contact and a fixed contact at a preset environment temperature in equal time periods, extracting the temperature difference of the moving contact and the fixed contact which is greater than the preset environment temperature in equal time periods, comparing the temperature difference of the moving contact and the fixed contact in each equal time period with the temperature difference range corresponding to each temperature level, obtaining the temperature level of the contact position of the moving contact and the fixed contact in each equal time period, extracting the temperature weight proportion coefficient corresponding to each temperature level, simultaneously extracting the current angle of a conductive knife switch, the maximum driving shaft rotating torque when the driving shaft acts on the conductive knife switch and the time length t required for the driving shaft rotating torque to return to the standard rotating torque, comparing the current angle of the conductive knife switch with the angle range of the conductive knife switch and the angle range of the conductive knife switch under the complete switch-on state, and obtaining the angle switching coefficient delta, wherein delta is alpha 1, alpha 2, alpha 1 and alpha 2 are respectively the angle switching coefficient of the conductive knife switch under the closed state and the angle switching state of the conductive knife switch under The coefficient, the opening and closing touch management server substitutes the temperature difference, the temperature grade, the angle opening and closing coefficient, the maximum driving shaft rotation torque and the time t required for the driving shaft rotation torque to be recovered to the standard rotation torque at the contact position of the movable contact and the fixed contact in each equal time period into the constructed opening and closing brake fault analysis model respectivelyEta 1, eta 2 and eta 3 are respectively expressed as interference influence proportional coefficients under the faults of jamming of the isolating switch, insufficient opening and closing of the isolating switch and insufficient clamping force of the contact, delta is expressed as an angle opening and closing coefficient, alpha 1 and alpha 2 are respectively expressed, T is expressed as maximum driving shaft rotation torque, and T is expressed as_{Sign board}Expressed as a standard rotational torque, t is expressed as a period of time required for the drive shaft rotational torque to return to the standard rotational torque, t_{Is provided with}Expressed as a preset duration required for the rotational torque to return to the standard rotational torque during the closing of the drive shaft, E_jExpressed as the temperature difference at the contact position of the moving contact and the static contact in the jth equal time period,expressed as the temperature weight proportion coefficient, temperature and the like occupied by the temperature grade corresponding to the temperature difference in the jth equal time periodThe level L is L1, L2, the right, LV, gL1+ gL2+. the + gLV is 1, gL1 is more than gL2 is less than gLV, fault type matching degree coefficients theta under all fault analysis models are obtained, the fault type matching degree coefficients under all the fault analysis models are sent to the switching fault diagnosis module, and the fault type matching degree coefficients are extracted and sent to the switching fatigue analysis module;

the switching fault diagnosis module is used for receiving fault type matching degree coefficients under fault analysis models sent by the switching touch management server, screening out a fault type corresponding to the maximum matching degree coefficient in the fault type matching degree coefficients, screening out a fault type correction instruction corresponding to the fault type according to the fault type to send to the fault correction adjustment mechanism, and meanwhile screening out fault fatigue coefficients corresponding to the fault types in sequence.

Failure fatigue coefficient corresponding to each failure typeS_fF is the frequency of occurrence of the F-th fault type, F is the total type corresponding to the fault type,the number of the fault types is 1,2, namely f is 1, 2.

And the fault correction adjusting mechanism receives a fault type correction instruction corresponding to the fault type sent by the switching fault diagnosis module and carries out repair processing on the position of the isolating switch with the fault.

Wherein, the fault correction adjustment mechanism comprises a lifting adjusting seat 1, a connecting seat 2 and a correction adjusting component 3, wherein the connecting seat 2 is installed on the lifting adjusting seat 1, and the correction adjusting component 3 is installed on the connecting seat 2.

Lift adjustment seat 1 includes base platform, highly extend 13, action wheel 14 and a plurality of spacing guide bar 16, base platform installs drive screw 11 through the bearing, drive screw 11 upper end and 13 screw-thread fit of highly extending, be fixed with driven gear 12 on the drive screw 11, driven gear 12 meshes with action wheel 14 mutually, driving gear 14 is connected with the drive motor 15 of fixing on base platform, spacing guide bar 16 and 2 sliding fit of connecting seat, base platform week side distributes and has a plurality of set screw 17, in order to carry out the fixed of position to lift adjustment seat 1, guarantee the stability to isolator maintenance in-process.

Fixed stay post 21 with high extension 13 fixed connection is installed to 2 lower extremes of connecting seat, the upper end is connected with correction adjusting part 3 through a plurality of cylinders 22, concrete driving motor 15 work, through the meshing effect between driving gear 14 and driven gear 12, drive screw 11 and rotate, go deep into to the length of high extension 13 with adjusting drive screw 11 terminal surface, and through the flexible control of cylinder 22, realize the doublestage altitude mixture control to isolator fault correction, in order to satisfy the altitude demand of revising adjusting part 3. The correcting and adjusting assembly 3 comprises a correcting operation table, two limiting clamping plates 33, a first electric telescopic rod 34, a correcting processing mechanism 35 and a clamping adjusting mechanism 36, wherein two limiting grooves are formed in the correcting operation table, a guide screw 31 is installed in each limiting groove, one end of each guide screw 31 penetrates through the correcting operation table through a bearing and is connected with a feeding motor 32, the limiting clamping plates 33 are in threaded fit with the guide screw 31, the limiting clamping plates 33 are in sliding fit with the limiting grooves, clamping grooves 331 for clamping and fixing steel grooves of an isolating switch are formed in the opposite inner sides of the two limiting clamping plates 33, the limiting clamping plates 33 are connected with the correcting processing mechanism 35 through the first electric telescopic rods 34 to drive the correcting processing mechanism 35 to move to the appropriate height position of the isolating switch, and the correcting processing mechanism 35 controls the clamping adjusting mechanism 36 to clamp and fix the connecting end of the conductive switch so as to adjust the inclination angle of the conductive switch, the conductive knife switch installed on the contact seat is prevented from deviating.

The steel groove of the isolating switch is clamped and fixed through the clamping groove 331 on the limiting clamping plate 33, so as to synchronously drive 35 the position relative to the isolating switch, thereby facilitating the maintenance operation of the isolating switch and solving the fault existing in the isolating switch, the correcting processing mechanism 35 comprises a correcting supporting plate 351 and a conductive knife side repairing mechanism 359, one end of the correcting supporting plate 351 is connected with a lock catch plate pressing plate through a second electric telescopic rod so as to synchronously press the two sides of the lock catch plate to realize the repair of the deformation of the lock catch plate, thereby improving the problems of poor contact of the lock catch plate and a locking device due to the deformation, further avoiding the problems of improper isolation opening and closing brake, insufficient clamping force of a contact and the like, the other end of the correcting supporting plate 351 is connected with a sliding L-shaped plate 353 through a first electric push rod 352, the sliding L-shaped plate 353 is in sliding fit with the correcting supporting plate 351, the opposite side surfaces of the two sliding L, a pressing plate 355 is fixed at one end of the second electric push rod 354, the second electric push rod 354 pushes the pressing plate 355 to move towards the direction close to the clamping adjusting mechanism 36, so that the clamping adjusting mechanism 36 clamps and presses the connecting end of the conductive knife blade, one end face of one sliding L-shaped plate 353 is connected with a limiting fixed seat 358 through a third electric push rod 356, a groove 3581 is formed in the limiting fixed seat 358, one end face of the other sliding L-shaped plate 353 is connected with a corner protective seat 357 through a third electric push rod 356, a corner limiting groove 3571 in sliding fit with a transmission rod 359 is formed in the corner protective seat 357, and the conductive knife blade side repairing mechanism 359 is installed in the corner protective seat 357.

The conductive switch knife side repairing mechanism 359 comprises a driving transmission gear 3591, a driven transmission gear 3592, a steering rod 3593, an intermediate protective splint 3594 and two pressing rollers 3597, wherein the driving transmission gear 3591 is meshed with the driven transmission gear 3592, the rear end face of the driven transmission gear 3592 is fixedly connected with the steering rod 3593, the intermediate protective splint 3594 is slidably mounted on the steering rod 3593, the intermediate protective splint 3594 is connected with a baffle 3596 through a buffer spring 3595, the two pressing rollers 3597 are distributed on two sides of the intermediate protective splint 3594, when the conductive switch knife side repairing mechanism is used, a motor works to drive the driving transmission gear 3591 to rotate, the driving transmission gear 3591 rotates to drive the steering rod 3593 on the driven transmission gear 3592 to rotate in a corner limiting groove 3571, when the steering rod 3593 rotates to a proper position, the intermediate protective splint 3594 enters the inner side of the conductive switch knife under the buffer action of the buffer spring 3595 until one end of the steering rod, two third electric putter 356 stretch out and draw back in step, promote steering column 3593 and remove along electrically conductive plug-in strip horizontal direction, and the roller 3597 that compresses tightly that is located middle protection splint 3594 both sides compresses tightly the correction to electrically conductive plug-in strip both sides respectively to avoid electrically conductive plug-in strip in the use and the deformation that leads to, can effectively restore the wire plug-in strip, solve isolator bite, divide-shut brake scheduling problem not in place.

The clamping adjustment mechanism 36 comprises a clamping adjustment plate 361 fixed on the contact seat of the isolating switch, a conversion feeding unit 362 and a slow-pressing unit 363, wherein a cavity is formed in the clamping adjustment plate 361, the conversion feeding unit 362 comprises a connection column 3621, the connection column 3621 penetrates through the support adjustment plate 361 through a bearing to be connected with an arc-shaped clamping plate 3622, a slider is arranged on the inner side of the arc-shaped clamping plate 3622, the slow-pressing unit 363 comprises a pressing head 3631, a limit rotating column 3634 and a rotating connection column 3636 connected with the limit rotating column 3634, a threaded connection barrel 3632 is fixed on the end face of the pressing head 3631, the threaded connection barrel 3632 is in threaded fit with the rotating connection column 3636, the threaded connection barrel 3632 is connected with the outer end face of the clamping adjustment plate 361 through a telescopic rod, a track groove 3635 in sliding fit with the slider on the arc-shaped clamping plate 3622 is formed on the peripheral side face of the limit rotating column 3634, the track groove 3635 is in a V-shaped, the conversion feeding unit 362 is pushed to move towards the slow pressing unit 363, at this time, the limit rotating column 3634 rotates under the limit action of the track groove 3635 through the slider, and drives the rotating connecting column 3636 to rotate clockwise, the rotating connecting column 3636 drives the pressing head 3631 to move towards the conducting knife, so as to synchronously clamp and fix the connecting end of the conductive knife switch, avoid the problems of loose connection between the connecting end of the conductive knife switch and the contact seat and insufficient clamping force, the moving feed of the conversion feeding unit 362 is converted into a circular motion by the limiting rotation column 3634, the screw thread matching between the rotary connecting column 3636 and the screw thread connecting cylinder 3632 drives the pressing head 3631 to slowly move towards the conductive knife switch of the isolating switch, so as to realize the step-variable speed regulation of the moving distance, reduce the moving feeding distance, and then reach the effect to removing centre gripping distance fine setting, avoid removing the centre gripping distance and feed too big problem that leads to damaging isolator conductive knife switch.

The specific steps of the fault correction processing are as follows:

step 1, height adjustment: starting a transmission motor 15, driving a driven gear 12 on a transmission screw rod 11 to rotate through a driving gear 14, and starting an air cylinder 22 to perform double-stage height adjustment on the correction and adjustment assembly 3;

step 2, positioning and clamping: starting the feeding motor 32, driving the limiting clamping plate 33 to slide in the limiting groove until the clamping groove 331 is clamped at two sides of the isolating switch steel groove, and adjusting the height of the correction processing mechanism 35 through the extension and retraction of the first electric telescopic rod 34;

step 3, clamping the connecting end of the conductive knife switch: the first electric push rod 352 pushes the L-shaped plate 353 to move along the length direction of the correction supporting plate 351, the second electric push rod 354 pushes the pressing plate 355 to move towards the direction close to the clamping adjusting mechanism 36, the connecting column 3621 is pressed by the pressing plate 355 to push the arc-shaped clamping plate 3622 to move and rotate the connecting column 3636 under the limiting effect of the track groove 3635, and the pressing head 3631 is driven by the threaded connecting cylinder 3632 in threaded fit with the rotating connecting column 3636 to slowly press and adjust the connecting end of the isolating switch;

step 4, pressing and repairing the lock catch plate: the second electric telescopic rod stretches and retracts to drive the locking plate pressing plate to press the two sides of the locking plate tightly;

step 5, correcting the side plate of the conductive knife switch: the driving transmission gear 3591 rotates to drive the steering rod 3593 on the driven transmission gear 3592 to rotate in the corner limiting groove 3571, the middle protection clamp plate 3594 enters the inner side of the conductive switch blade under the buffering action of the buffer spring 3595 until one end of the steering rod 3593 is clamped in the groove 3581, and the two third electric push rods 356 are synchronously stretched.

The foregoing is merely exemplary and illustrative of the principles of the present invention and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the principles of the present invention or exceeding the scope of the claims set forth herein.