CN115065161A - Transformer substation inspection device - Google Patents
Transformer substation inspection device Download PDFInfo
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- CN115065161A CN115065161A CN202210645644.0A CN202210645644A CN115065161A CN 115065161 A CN115065161 A CN 115065161A CN 202210645644 A CN202210645644 A CN 202210645644A CN 115065161 A CN115065161 A CN 115065161A
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- 238000007689 inspection Methods 0.000 title abstract description 11
- 238000001514 detection method Methods 0.000 claims abstract description 28
- 238000005259 measurement Methods 0.000 claims description 16
- 238000004458 analytical method Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 12
- 238000011156 evaluation Methods 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 11
- 238000001228 spectrum Methods 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 230000002159 abnormal effect Effects 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 claims description 3
- 238000010295 mobile communication Methods 0.000 claims description 3
- 238000010183 spectrum analysis Methods 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 2
- 238000011161 development Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/48—Thermography; Techniques using wholly visual means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1209—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing using acoustic measurements
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00034—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving an electric power substation
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses a substation patrol device which comprises a shell, a temperature detection module, a partial discharge detection module and a central controller, wherein the central controller receives data transmitted by the temperature detection module and the partial discharge detection module to judge foreign matters and partial discharge conditions. And (3) finding out equipment fault points and hidden danger points in time through fault detection, and determining fault types so as to eliminate faults. The device is small in size and convenient to carry, provides convenience for workers, and improves the efficiency of transformer substation inspection work.
Description
Technical Field
The invention relates to the technical field of power inspection, in particular to a transformer substation inspection device.
Background
With the development and innovation of the infrared detection industry, the infrared detection technology has been developed in the measurement field for many years as a non-contact detection technology. Meanwhile, the development speed of the power system is rapid, the precision of equipment is higher and higher, the types of the equipment for protection and measurement are more and more, the number of the incoming and outgoing line switch cabinet equipment is increased year by year according to the requirements of social development, and the inspection work of operation and maintenance personnel is challenged.
In the daily inspection of a transformer substation, because of potential safety hazards caused by old equipment and damp equipment, the traditional temperature measuring device has a plurality of defects in actual work, such as protection misoperation caused by potential safety hazards of a measurement and control cabinet and a protection cabinet of a master control room; foreign matters and small animals are in short circuit in the switch cabinets of the 10kV and 35kV high-voltage rooms; an internal failure of the device; the traditional temperature measuring device cannot effectively find and timely eliminate faults under the conditions that the total station loses power for the second time and monitoring illumination cannot be used and the like caused by the faults of the station transformer. Therefore, a transformer substation inspection device suitable for small spaces such as a measurement and control cabinet and a protection cabinet is urgently needed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a substation patrol device, which finds out equipment fault points and hidden danger points in time through fault detection and determines fault types so as to eliminate faults. The device is small in size and convenient to carry, provides convenience for workers, and improves the efficiency of transformer substation inspection work.
In order to realize the purpose, the invention is realized by the following technical scheme:
the first aspect of the present disclosure provides a substation inspection device, including: the device comprises a shell, a temperature detection module, a partial discharge detection module and a central controller;
the temperature detection module comprises an infrared thermal imager, and image data and temperature data acquired by the infrared thermal imager are uploaded to the central controller for foreign matter judgment;
the partial discharge detection module comprises a signal acquisition unit, a noise evaluation unit and a signal analysis unit, wherein the signal acquisition unit acquires a partial discharge signal, the noise evaluation unit carries out noise filtering processing, the processed signal is analyzed by the signal analysis unit to obtain a partial discharge condition, and the result is uploaded to the central controller for judging the partial discharge condition;
the central controller receives signals from the temperature detection module and the partial discharge detection module and judges foreign matters and partial discharge conditions;
further, still include sensor orientation module and wireless communication module, sensor orientation module includes sensor unit, positioning unit and master controller, positioning unit comprises gyroscope, accelerometer, magnetometer and altimeter, the sensor unit comprises a plurality of sensors, the sensor unit links to each other with positioning unit, positioning unit links to each other with the master controller, central controller is connected to the master controller.
Furthermore, the specific process of the foreign matter judgment of the central controller is that the central controller receives the image data and the temperature data to perform comprehensive judgment, if a foreign matter is found, a foreign matter instruction is sent to the sensor positioning module through the wireless communication module, the sensor positioning module feeds back the collected foreign matter position information to the central controller, and the central controller outputs a foreign matter judgment result and the foreign matter position information.
Furthermore, the sensor positioning module calculates and processes the foreign matter state information acquired by each sensor to obtain real-time three-dimensional spatial position information of the foreign matter; the three-dimensional space position information is forwarded to the wireless communication module through the master controller; the wireless communication module sends the three-dimensional space position information to the central controller through the mobile communication network.
Further, the noise evaluation unit comprises a capacitive coupler, a microprocessor, a processor and a filter; the noise evaluation unit is used for filtering out frequency spectrum information of environmental noise when the partial discharge condition is detected, and only performing frequency spectrum analysis on the discharge pulse signal.
Furthermore, the capacitive coupler is used for acquiring a discharge pulse signal, and transmitting a digital signal to the microprocessor after analog-to-digital conversion; the microprocessor is used for analyzing and processing the digital signal to generate a preset measurement frequency spectrum range and a preset measurement threshold value, amplifying the digital signal and transmitting the amplified digital signal to the processor, and the processor receives the preset measurement frequency spectrum range and the preset measurement threshold value, generates preset voltage information according to the analysis result, and performs filtering processing on the preset voltage information through a filter after digital-to-analog conversion to obtain a partial discharge signal.
Furthermore, the signal analysis unit receives the filtered partial discharge signal, generates a partial discharge condition according to the filtered partial discharge signal and uploads the partial discharge condition to the central control controller.
Furthermore, the device also comprises an alarm device, if the foreign matter is judged to be present or the partial discharge condition is judged to be abnormal, the central controller sends an alarm instruction to the alarm device, and the alarm device sends an alarm for reminding.
Furthermore, the system also comprises a display screen and a key for displaying the judgment result of the central controller.
Further, the lighting device is arranged at the front end of the shell and used for achieving lighting when a fault is found.
The beneficial effects of the above-mentioned embodiment of the present invention are as follows:
in the substation patrol work, the invention can effectively patrol the operation condition of the substation equipment through the aspects of equipment state detection and fault diagnosis technology including temperature, noise, partial discharge and the like, can timely find the abnormal operation condition of the equipment, and improves the work efficiency.
The device is small in size, convenient to carry by workers and convenient for patrol work.
The device can judge the foreign matters, determine whether the foreign matters are living matters, can position and determine the positions of the foreign matters, and is convenient for searching fault points.
The invention can detect the partial discharge condition, find the discharge abnormality in time and remind the staff to remove the fault.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are included to illustrate an exemplary embodiment of the invention and not to limit the invention.
FIG. 1 is an overall structure diagram of a substation patrol device according to the present invention;
FIG. 2 is a flow chart of the foreign matter determination work in the substation patrol device according to the present invention;
fig. 3 is a signal transmission schematic diagram of partial discharge condition in the substation patrol device according to the present invention;
wherein, 1, the shell; 2. a display screen; 3. pressing a key; 4. a lighting device; 5. an infrared thermal imager.
The specific implementation mode is as follows:
it should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
the first embodiment is as follows:
the first embodiment of the present disclosure provides a transformer substation inspection device, including: the device comprises a shell, a temperature detection module, a partial discharge detection module and a central controller; the central controller receives signals from the temperature detection module and the partial discharge detection module and judges foreign matters and partial discharge conditions.
The temperature detection module comprises an infrared thermal imager, and image data and temperature data acquired by the infrared thermal imager are uploaded to the central controller for foreign matter judgment; an image acquisition module, an image processing module and an image analysis module are arranged in the infrared thermal imager;
the image acquisition module acquires image data by utilizing a camera of the infrared thermal imager, the image processing module encodes the image or video data acquired by each camera, and at the moment, software performs operation to select an infrared image and a visible image to form an image or a video when data acquisition is performed through hardware; and performing temperature identification calculation according to different imaged color blocks to form temperature test data, and storing the test data and the acquired video or image by an image storage module as required or forwarding the test data and the acquired video or image to a central controller for judging foreign matters.
The central controller receives the image data and the temperature data to perform comprehensive judgment, if foreign matters are found, the position of the transformer substation patrol device is kept still, the position of the transformer substation patrol device is a foreign matter position at the moment, the wireless communication module sends a foreign matter instruction to the sensor positioning module, the sensor positioning module feeds back collected foreign matter position information to the central controller, and the central controller outputs a foreign matter judgment result and foreign matter position information.
Still include sensor orientation module and wireless communication module, sensor orientation module includes sensor unit, positioning unit and master controller, and the positioning unit comprises gyroscope, accelerometer, magnetometer and altimeter, and the sensor unit comprises a plurality of sensors, and the sensor unit links to each other with the positioning unit, and the positioning unit links to each other with the master controller, and central controller is connected to the master controller.
The sensor positioning module calculates and processes the foreign body state information acquired by each sensor to obtain real-time three-dimensional spatial position information of the foreign body; the three-dimensional space position information is forwarded to the wireless communication module through the master controller; the wireless communication module sends the three-dimensional space position information to the central controller through the mobile communication network.
The partial discharge detection module comprises a signal acquisition unit, a noise evaluation unit and a signal analysis unit, wherein the noise evaluation unit comprises a capacitive coupler, a microprocessor, a processor and a filter; the noise evaluation unit is used for filtering out frequency spectrum information of environmental noise when the partial discharge condition is detected, and only performing frequency spectrum analysis on the discharge pulse signal.
The capacitive coupler is used for acquiring a discharge pulse signal, and transmitting a digital signal to the microprocessor after analog-to-digital conversion; the microprocessor is used for analyzing and processing the digital signal to generate a preset measurement frequency spectrum range and a preset measurement threshold value, amplifying the digital signal and transmitting the amplified digital signal to the processor, and the processor receives the preset measurement frequency spectrum range and the preset measurement threshold value, generates preset voltage information according to the analysis result, and performs filtering processing on the preset voltage information through a filter after digital-to-analog conversion to obtain a partial discharge signal.
In the embodiment, the existing analog-to-digital converter and digital-to-analog converter are adopted for analog-to-digital conversion and digital-to-analog conversion, and a signal amplifier is adopted for signal amplification.
The signal acquisition unit acquires a partial discharge signal, noise filtering processing is carried out through the noise evaluation unit, the processed signal is analyzed through the signal analysis unit to obtain a partial discharge condition, and the result is uploaded to the central controller to carry out partial discharge condition judgment. The signal analysis unit receives the partial discharge signals after filtering, generates partial discharge conditions according to the partial discharge signals after filtering, and uploads the partial discharge conditions to the central control controller.
And if the foreign matter is judged to be present or the partial discharge condition is judged to be abnormal, the central controller sends an alarm instruction to the alarm device, and the alarm device sends an alarm to remind.
And the display screen and the keys are used for displaying the judgment result of the central controller.
The lighting device is an LED lamp and is arranged at the front end of the shell and used for achieving lighting when a fault is found.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a transformer substation tours device which characterized in that includes: the device comprises a shell, a temperature detection module, a partial discharge detection module and a central controller;
the temperature detection module comprises an infrared thermal imager, and image data and temperature data acquired by the infrared thermal imager are uploaded to the central controller for foreign matter judgment;
the partial discharge detection module comprises a signal acquisition unit, a noise evaluation unit and a signal analysis unit, wherein the signal acquisition unit acquires a partial discharge signal, the noise evaluation unit carries out noise filtering processing, the processed signal is analyzed by the signal analysis unit to obtain a partial discharge condition, and the result is uploaded to the central controller for judging the partial discharge condition;
and the central controller receives signals from the temperature detection module and the partial discharge detection module and judges the foreign matter and the partial discharge condition.
2. The substation patrol device according to claim 1, further comprising a sensor positioning module and a wireless communication module, wherein the sensor positioning module comprises a sensor unit, a positioning unit and a master controller, the positioning unit comprises a gyroscope, an accelerometer, a magnetometer and an altimeter, the sensor unit comprises a plurality of sensors, the sensor unit is connected with the positioning unit, the positioning unit is connected with the master controller, and the master controller is connected with the central controller.
3. The substation patrol device according to claim 2, wherein the specific process of the central controller foreign matter determination is that the central controller receives the image data and the temperature data to perform comprehensive determination, if a foreign matter is found, a foreign matter instruction is sent to the sensor positioning module through the wireless communication module, the sensor positioning module feeds back the collected foreign matter position information to the central controller, and the central controller outputs a foreign matter determination result and the foreign matter position information.
4. The substation patrol device according to claim 3, wherein the sensor positioning module calculates and processes foreign matter state information acquired by each sensor to obtain real-time three-dimensional spatial position information of the foreign matter; the three-dimensional space position information is forwarded to the wireless communication module through the master controller; the wireless communication module sends the three-dimensional space position information to the central controller through the mobile communication network.
5. The substation patrol device of claim 1, wherein the noise evaluation unit comprises a capacitive coupler, a microprocessor, a processor and a filter; the noise evaluation unit is used for filtering out frequency spectrum information of environmental noise when the partial discharge condition is detected, and only performing frequency spectrum analysis on the discharge pulse signal.
6. The substation patrol device according to claim 5, wherein the capacitive coupler is configured to obtain a discharge pulse signal, perform analog-to-digital conversion, and transmit a digital signal to the microprocessor; the microprocessor is used for analyzing and processing the digital signal to generate a preset measurement frequency spectrum range and a preset measurement threshold value, amplifying the digital signal and transmitting the amplified digital signal to the processor, and the processor receives the preset measurement frequency spectrum range and the preset measurement threshold value, generates preset voltage information according to the analysis result, and performs filtering processing on the preset voltage information through a filter after digital-to-analog conversion to obtain a partial discharge signal.
7. The substation patrol device according to claim 6, wherein the signal analysis unit receives the filtered partial discharge signal, generates a partial discharge condition according to the filtered partial discharge signal, and uploads the partial discharge condition to the central control controller.
8. The substation patrol device according to claim 1, further comprising an alarm device, wherein if the foreign matter is determined to be present or the partial discharge condition is determined to be abnormal, the central controller sends an alarm instruction to the alarm device, and the alarm device sends an alarm to remind a user.
9. The substation patrol device according to claim 1, further comprising a display screen and a button for displaying the judgment result of the central controller.
10. The substation patrol device according to claim 1, further comprising an illumination device mounted at the front end of the housing for illuminating when a fault is discovered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210645644.0A CN115065161A (en) | 2022-06-09 | 2022-06-09 | Transformer substation inspection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210645644.0A CN115065161A (en) | 2022-06-09 | 2022-06-09 | Transformer substation inspection device |
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| CN115065161A true CN115065161A (en) | 2022-09-16 |
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| CN202210645644.0A Pending CN115065161A (en) | 2022-06-09 | 2022-06-09 | Transformer substation inspection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116488999A (en) * | 2023-02-16 | 2023-07-25 | 国网安徽省电力有限公司信息通信分公司 | SDN network automation operation and maintenance management system and application |
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2022
- 2022-06-09 CN CN202210645644.0A patent/CN115065161A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116488999A (en) * | 2023-02-16 | 2023-07-25 | 国网安徽省电力有限公司信息通信分公司 | SDN network automation operation and maintenance management system and application |
| CN116488999B (en) * | 2023-02-16 | 2023-10-24 | 国网安徽省电力有限公司信息通信分公司 | SDN network automatic operation and maintenance management equipment and system |
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