阅读说明：本技术 一种配有电能质量监控系统的安全节能型空压站 (Safe energy-saving air compression station with power quality monitoring system ) 是由 孙小琴 胡培生 唐祯祥 魏运贵 于 2021-08-27 设计创作，主要内容包括：本发明公开了一种配有电能质量监控系统的安全节能型空压站,属于空压站技术领域,包括设备模块、监测模块和预警模块；设备模块用于采集设备的数据信息和运行时的工作信息；监测模块包含标记单元、计算单元和匹配单元,标记单元用于对采集的数据信息和工作信息进行数据提取和标记,得到数据标记信息和工作标记信息；计算单元用于对数据标记信息和工作标记信息进行计算处理,得到节控值；匹配单元用于对节控值进行匹配分析,得到匹配结果；预警模块根据匹配结果对空压站中各个设备的运行进行预警提示；本发明解决了现有方案中空压站电能质量的监控效果不佳的技术问题。(The invention discloses a safe and energy-saving air compression station with an electric energy quality monitoring system, which belongs to the technical field of air compression stations and comprises an equipment module, a monitoring module and an early warning module; the equipment module is used for acquiring data information and operating information of the equipment; the monitoring module comprises a marking unit, a calculating unit and a matching unit, wherein the marking unit is used for carrying out data extraction and marking on the acquired data information and the acquired work information to obtain data marking information and work marking information; the calculation unit is used for calculating and processing the data marking information and the working marking information to obtain a joint control value; the matching unit is used for performing matching analysis on the joint control value to obtain a matching result; the early warning module carries out early warning prompt on the operation of each device in the air compression station according to the matching result; the invention solves the technical problem that the monitoring effect of the electric energy quality of the air compression station is poor in the existing scheme.)

1. A safe and energy-saving air compression station provided with an electric energy quality monitoring system comprises an equipment module, a monitoring module and an early warning module, and is characterized in that the equipment module is used for acquiring data information of equipment and working information of the equipment during operation; the monitoring module comprises a marking unit, a calculating unit and a matching unit, wherein the marking unit is used for carrying out data extraction and marking on the acquired data information and the acquired work information to obtain data marking information and work marking information; the calculation unit is used for calculating and processing the data marking information and the working marking information to obtain a joint control value; the matching unit is used for performing matching analysis on the joint control value to obtain a matching result; and the early warning module carries out early warning prompt on the operation of each device in the air compression station according to the matching result.

2. A safe and energy-saving air compression station equipped with a power quality monitoring system according to claim 1, wherein the data information includes a device name, a device model, a rated power and a rated frequency; the operating information includes operating power, voltage imbalance, operating frequency and operating duration.

3. The safe and energy-saving air compression station with the power quality monitoring system as claimed in claim 2, wherein the specific steps of data extraction and marking of the collected data information and the collected working information comprise: acquiring the equipment name, the equipment model, the rated power and the rated frequency in the data information, and marking the equipment name and the equipment associated value corresponding to the equipment name; marking the equipment model and the model correlation value corresponding to the equipment model; respectively carrying out value taking and marking on the rated power and the rated frequency; combining the marked data to obtain data marking information; and respectively carrying out value taking and marking on the running power, the voltage unbalance, the running frequency and the running duration in the working information, and combining all marked data to obtain working marking information.

4. The safe and energy-saving air compression station with the power quality monitoring system as claimed in claim 3, wherein the specific steps of performing calculation processing on the data marking information and the working marking information comprise: carrying out normalization processing on various items of data marked in the data marking information and obtaining values, and acquiring the running values of the equipment according to the various items of data subjected to normalization processing; and carrying out normalization processing on various data marked in the working marking information and obtaining values, and acquiring the control value of the equipment according to the operating value and the various data subjected to the normalization processing.

5. The safe and energy-saving air compression station with the power quality monitoring system as claimed in claim 4, wherein the specific step of performing matching analysis on the control value comprises: and matching the joint control value with a preset joint control threshold value to obtain a matching result containing the first joint control signal and the second joint control signal.

6. The safe and energy-saving air compression station with the power quality monitoring system according to claim 5, wherein the specific steps of performing early warning and prompting on the operation of each device in the air compression station comprise: processing the matching result, and setting the equipment corresponding to the first control signal in the matching result as normal equipment; and setting the equipment corresponding to the second joint control signal in the matching result as early warning equipment, and performing early warning prompt on the early warning equipment.

7. The safe and energy-saving air compression station with the power quality monitoring system as claimed in claim 6, wherein the specific steps of giving an early warning prompt to the early warning device comprise: acquiring a corresponding early warning coefficient according to the real-time power of the early warning equipment; and matching the early warning coefficient with a preset early warning grade to generate early warning and prompts corresponding to different grades.

8. The safe and energy-saving air compression station with the power quality monitoring system according to claim 7, further comprising a registration module and a management module, wherein the registration module is used for an administrator to register an account and log in to check the operation condition of each device in the air compression station; and the management module is used for managing the abnormally operated equipment by an administrator.

Technical Field

The invention relates to the technical field of air compression stations, in particular to a safe and energy-saving air compression station with an electric energy quality monitoring system.

Background

The continuous monitoring and analysis evaluation of the power quality information is a precondition for finding power quality problems and improving the power quality level, the power quality monitoring system utilizes a power quality monitoring terminal installed on a power grid side or a user side to transmit monitoring data back to a monitoring center (a monitoring main station or a monitoring sub-station) through a network, so that a plurality of positions are monitored simultaneously, and related information of the power quality is distributed, and the continuous monitoring and analysis evaluation of the power quality information is an effective means for monitoring and evaluating the power quality.

When the existing air compression station is used, the monitoring data of the operation of each device in the air compression station is single, and the power quality of each device cannot be monitored and early-warned in time, so that the energy-saving effect of the air compression station is poor.

Disclosure of Invention

The invention aims to provide a safe and energy-saving air compression station with a power quality monitoring system, and mainly aims to solve the technical problem that the monitoring effect of the power quality of the air compression station is poor in the existing scheme.

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

a safe and energy-saving air compression station with a power quality monitoring system comprises an equipment module, a monitoring module and an early warning module;

the equipment module is used for acquiring data information of the equipment and working information of the equipment during operation; the monitoring module comprises a marking unit, a calculating unit and a matching unit, wherein the marking unit is used for carrying out data extraction and marking on the acquired data information and the acquired work information to obtain data marking information and work marking information; the calculation unit is used for calculating and processing the data marking information and the working marking information to obtain a joint control value; the matching unit is used for performing matching analysis on the joint control value to obtain a matching result; and the early warning module carries out early warning prompt on the operation of each device in the air compression station according to the matching result.

Further, the data information comprises a device name, a device model, a rated power and a rated frequency; the operating information includes operating power, voltage imbalance, operating frequency and operating duration.

Further, the specific steps of extracting and marking the collected data information and the work information include: acquiring the equipment name, the equipment model, the rated power and the rated frequency in the data information, and marking the equipment name as SM; setting different equipment names to correspond to different equipment associated values, matching the equipment names in the data information with all the equipment names to obtain corresponding equipment management values, and marking the equipment management values as B1; marking the equipment model as SX; setting different equipment models to correspond to different model correlation values, matching the equipment models in the data information with all the equipment models to obtain corresponding model correlation values, and marking the model correlation values as B2; respectively carrying out value taking and marking on the rated power and the rated frequency, and marking the rated power as B3; the nominal frequency is labeled B4; classifying and combining the marked equipment name, the equipment associated value, the equipment model, the model associated value, the rated power and the rated frequency to obtain data marking information;

acquiring the operating power, the voltage unbalance, the operating frequency and the operating time length in the working information, respectively carrying out value taking and marking on the operating power, the voltage unbalance, the operating frequency and the operating time length, and marking the operating power as D1; and marking the voltage unbalance degree as D2, marking the operating frequency as D3, marking the operating time as D4, and classifying and combining the marked operating power, the voltage unbalance degree, the operating frequency and the operating time to obtain the working mark information.

Further, the specific step of performing calculation processing on the data flag information and the work flag information includes: normalizing and evaluating various items of marked data in data marking information by using a formulaCalculating a running value of the acquisition equipment; wherein a1 and a2 are expressed as different proportionality coefficients, beta is expressed as a correction factor of the equipment, and the value range is (0, 2);

normalizing and evaluating various items of data marked in the working mark information by using a formulaCalculating and acquiring a control saving value of the equipment; wherein b1, b2, b3 and b4 are expressed as different proportionality coefficients, η is expressed as a device compensation factor, the value range is (0,1), PB is expressed as standard unbalance, and the standard unbalance is preset based on different types of devices.

Further, the specific steps of performing matching analysis on the throttle control value include: matching the control saving value with a preset control saving threshold value, and if the control saving value is not greater than the control saving threshold value, judging that the corresponding equipment operates normally and generating a first control saving signal; if the control saving value is larger than the control saving threshold value, judging that the corresponding equipment operates abnormally and generating a second control saving signal; and classifying and combining the first section control signal and the second section control signal to obtain a matching result.

Further, the specific steps of carrying out early warning prompt on the operation of each device in the air station comprise: processing the matching result, and setting the equipment corresponding to the first control signal in the matching result as normal equipment; and setting the equipment corresponding to the second joint control signal in the matching result as early warning equipment, and performing early warning prompt on the early warning equipment.

Further, the specific steps of carrying out early warning prompt on the early warning equipment comprise: obtaining real-time power of early warning equipment by using formulaCalculating and obtaining an early warning coefficient, wherein alpha is expressed as an operation compensation factor, t is expressed as monitoring duration, and SG is expressed as real-time power; matching the early warning coefficient with a preset early warning grade to generate early warning and prompts corresponding to different grades; wherein, the early warning grade packetThe method comprises a low energy consumption level, a medium energy consumption level and a high energy consumption level, wherein the value range of the low energy consumption level is [ k, k + m ]; the value range of the intermediate energy consumption grade is [ k + m, k +2m ]; the value range of the high energy consumption grade is [ k +2m, k +3m](ii) a k and m are both constant and unequal.

The system further comprises a registration module and a management module, wherein the registration module is used for an administrator to register an account and log in to check the operation condition of each device in the air compression station; and the management module is used for managing the abnormally operated equipment by an administrator.

The invention has the beneficial effects that:

acquiring data information of equipment and working information of the equipment during operation through an equipment module; by carrying out data acquisition on different equipment in different aspects, effective data support is provided for the electric energy use condition of each equipment, early warning prompt can be carried out on the operation of the equipment in time, and the purposes of saving energy and eliminating potential safety hazards are achieved; the monitoring module comprises a marking unit, a calculating unit and a matching unit, wherein the marking unit is used for carrying out data extraction and marking on the collected data information and the collected work information to obtain data marking information and work marking information; the calculation unit calculates and processes the data mark information and the work mark information to obtain a joint control value; the matching unit performs matching analysis on the control saving value to obtain a matching result; the collected data are extracted and marked, so that the data are standardized to improve the calculation efficiency and accuracy, and the data are linked through calculation, so that the overall analysis of the operation condition of the equipment is facilitated; the early warning module carries out early warning prompt on the operation of each device in the air compression station according to the matching result; the early warning is carried out on the equipment with abnormal energy consumption, the hidden danger is eliminated in time, and the operation effect of the equipment is improved.

Drawings

The invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic block diagram of a safe and energy-saving air compression station equipped with a power quality monitoring system according to the present invention.

FIG. 2 is a schematic diagram of a monitoring module according to 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, the invention relates to a safe and energy-saving air compression station equipped with a power quality monitoring system, wherein the power quality monitoring system comprises an equipment module, a monitoring module, an early warning module, a registration module and a management module, and the registration module is used for an administrator to register an account and log in to check the operation condition of each equipment in the air compression station; the management module is used for managing the abnormally operated equipment by an administrator; the equipment module is used for acquiring data information of equipment and working information during operation, wherein the data information comprises an equipment name, an equipment model, rated power and rated frequency; the working information comprises running power, voltage unbalance, running frequency and running duration; wherein the voltage unbalance represents the difference in amplitude between the three-phase voltages, or the phase shift from the normal voltage phase difference, or both, and the percentage of the ratio of the common negative sequence voltage or zero sequence voltage to the positive sequence voltage represents the degree of the voltage unbalance; the air compression station comprises an air compressor, a dryer, a compressed air storage tank and other equipment, different equipment and different models correspond to different energy consumption, and effective data support is provided for energy consumption analysis of subsequent equipment by acquiring standard parameters and operating parameters of each equipment.

As shown in fig. 1-2, the monitoring module includes a marking unit, a calculating unit and a matching unit, wherein the marking unit is configured to perform data extraction and marking on the acquired data information and the acquired work information to obtain data marking information and work marking information; the method comprises the following specific steps: acquiring the equipment name, the equipment model, the rated power and the rated frequency in the data information, and marking the equipment name as SM; setting different equipment names to correspond to different equipment associated values, matching the equipment names in the data information with all the equipment names to obtain corresponding equipment management values, and marking the equipment management values as B1; marking the equipment model as SX; setting different equipment models to correspond to different model correlation values, matching the equipment models in the data information with all the equipment models to obtain corresponding model correlation values, and marking the model correlation values as B2; respectively carrying out value taking and marking on the rated power and the rated frequency, and marking the rated power as B3; the nominal frequency is labeled B4; classifying and combining the marked equipment name, the equipment associated value, the equipment model, the model associated value, the rated power and the rated frequency to obtain data marking information; wherein, the rated frequency is one of the important indexes of the electric energy quality, and the electric power in China adopts the alternating current frequency of 50 Hz.

Acquiring the operating power, the voltage unbalance, the operating frequency and the operating time length in the working information, respectively carrying out value taking and marking on the operating power, the voltage unbalance, the operating frequency and the operating time length, and marking the operating power as D1; the voltage unbalance degree is marked as D2, the running frequency is marked as D3, and the running duration is marked as D4; and classifying and combining the marked running power, the voltage unbalance, the running frequency and the running duration to obtain working mark information.

The calculation unit is used for calculating and processing the data marking information and the working marking information to obtain a joint control value; the method comprises the following specific steps: normalizing and evaluating various items of marked data in data marking information by using a formulaCalculating a running value of the acquisition equipment; wherein a1 and a2 are expressed as different proportionality coefficients, β is expressed as a correction factor of the equipment, and the value can be 1.26337;

normalizing and evaluating various items of data marked in the working mark information by using a formulaCalculating and acquiring a control saving value of the equipment; wherein b1, b2, b3 and b4 are expressed as different proportionality coefficients, eta tableShown as the plant compensation factor, may take on the value of 0.96681, with PB expressed as the standard imbalance.

The matching unit is used for matching and analyzing the joint control value, matching the joint control value with a preset joint control threshold value, and if the joint control value is not greater than the joint control threshold value, judging that the corresponding equipment operates normally and generating a first joint control signal; if the control saving value is larger than the control saving threshold value, judging that the corresponding equipment operates abnormally and generating a second control saving signal; and classifying and combining the first section control signal and the second section control signal to obtain a matching result.

In this embodiment, the monitoring module is used for processing operation and computational analysis operation to each item of data of gathering, through marking each item of data of gathering for the numerical value that obtains text data and corresponds is convenient for calculate, through carrying out simultaneous calculation with each item of data, can monitor the analysis to the energy consumption of different equipment operation in the air compression station, in time early warning and suggestion are carried out to the equipment that the energy consumption is unusual, make the electric energy quality when the air compression station moves keep the best.

The early warning module carries out early warning suggestion according to the operation of each equipment in the air compression station of matching result, and concrete step includes: processing the matching result, and setting the equipment corresponding to the first control signal in the matching result as normal equipment; setting the equipment corresponding to the second control signal in the matching result as early warning equipment, carrying out early warning prompt on the early warning equipment, acquiring the real-time power of the early warning equipment, and utilizing a formulaCalculating and obtaining an early warning coefficient, wherein alpha is expressed as an operation compensation factor, an allowable value is 0.4241, t is expressed as monitoring duration, and SG is expressed as real-time power; matching the early warning coefficient with a preset early warning grade to generate early warning and prompts corresponding to different grades; the early warning level comprises a low energy consumption level, an intermediate energy consumption level and a high energy consumption level, the low energy consumption level, the intermediate energy consumption level and the high energy consumption level respectively represent the abnormal degree of the electric energy consumption, and the value range of the low energy consumption level is [ k, k + m ]; the value range of the intermediate energy consumption grade is [ k + m, k +2m ]; the value range of the high energy consumption grade is[k+2m,k+3m](ii) a k and m are constants and are not equal, wherein the values of k and m are set based on different types of equipment, for example, if the early warning equipment is a dryer, the value of k is 15, and the value of m is 2.

In this embodiment, the energy consumption abnormal device is calculated and analyzed, the corresponding energy consumption abnormal level is obtained, and different processing is performed according to different energy consumption abnormal levels, such as operation suspension or operation stop, so that the power quality of the air compression station during operation is kept optimal.

The formulas in the invention are all a formula which is obtained by removing dimensions and taking numerical value calculation, and software simulation is carried out by collecting a large amount of data to obtain the formula closest to the real condition, and the preset proportionality coefficient and the threshold value in the formula are set by the technical personnel in the field according to the actual condition or are obtained by simulating a large amount of data.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.