CN110763270A - Power transmission line tower pole working condition monitoring system based on multiple information acquisition - Google Patents
Power transmission line tower pole working condition monitoring system based on multiple information acquisition Download PDFInfo
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- CN110763270A CN110763270A CN201910972220.3A CN201910972220A CN110763270A CN 110763270 A CN110763270 A CN 110763270A CN 201910972220 A CN201910972220 A CN 201910972220A CN 110763270 A CN110763270 A CN 110763270A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B19/00—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2612—Data acquisition interface
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Abstract
The invention provides a power transmission line tower pole working condition monitoring system based on multiple information acquisition, which comprises an inclination angle acquisition unit, a basic offset acquisition unit, an environmental data acquisition unit, an insulator flashover current acquisition unit, a signal processing unit, an A/D conversion unit, a control processing unit, a video monitoring unit, a solar power supply unit, a storage unit, an alarm unit and a communication unit, wherein the inclination angle acquisition unit is connected with the basic offset acquisition unit; the tower pole working condition monitoring system collects tower pole information by adopting various sensors, analyzes and judges whether the tower pole information is abnormal or not, sends out an alarm signal in time, uploads the information to a monitoring center through a communication unit, and determines the position of the tower pole by combining a video monitoring unit. The invention provides a power transmission line tower pole working condition monitoring system based on multiple information acquisition, which is used for acquiring multiple environmental information and working information, judging the working state of a tower pole, predicting faults and effectively improving the reliability of a power transmission line.
Description
Technical Field
The invention belongs to the technical field of electric power detection, and particularly relates to a power transmission line tower pole working condition monitoring system based on multiple information acquisition.
Background
With the continuous development of science and technology, people have more and more requirements on electric energy, and meanwhile, the requirements on the electric energy are higher and higher. The transmission line is one of important components of the power system, and is an important guarantee for ensuring the safe and reliable operation of the power system.
At present, the overhead type power transmission line is the main part of China, and the tower pole is the important support of the power transmission line. Because the tower pole is mostly outdoor, and a large amount, receive the natural environment influence again easily, need regular inspection maintenance, and then guarantee transmission line's normal reliable work. The invention provides a power transmission line tower pole working condition monitoring system based on multiple information acquisition, which adopts a solar power supply mode to provide a reliable power supply for a detection system, acquires multiple environmental information and working information, judges the working state of a tower pole, carries out fault prediction according to the acquired data, further takes maintenance measures in time and effectively improves the reliability of a power transmission line.
Disclosure of Invention
The invention provides a power transmission line tower pole working condition monitoring system based on multiple information acquisition, which is used for acquiring multiple environmental information and working information, judging the working state of a tower pole, predicting faults according to the acquired data, taking maintenance measures in time and effectively improving the reliability of a power transmission line.
The invention particularly relates to a power transmission line tower working condition monitoring system based on multiple information acquisition, which comprises an inclination angle acquisition unit, a basic deviation acquisition unit, an environmental data acquisition unit, an insulator flashover current acquisition unit, a signal processing unit, an A/D conversion unit, a control processing unit, a video monitoring unit, a solar power supply unit, a storage unit, an alarm unit and a communication unit, wherein the insulator flashover current acquisition unit is connected with the signal processing unit, the inclination angle acquisition unit, the basic deviation acquisition unit and the environmental data acquisition unit are respectively connected with the A/D conversion unit, and the control processing unit is respectively connected with the A/D conversion unit, the video monitoring unit, the solar power supply unit, the video monitoring unit, the A/D conversion unit, the video monitoring unit, the A/D conversion unit, the A/, The storage unit, the alarm unit and the communication unit are connected; the tower pole working condition monitoring system adopts various sensors to detect the relevant information of the tower pole, analyzes and judges whether the abnormity occurs or not, sends out an alarm signal in time, uploads the information to a monitoring center through the communication unit, and determines the position of the tower pole by combining with the video monitoring unit so that relevant workers can make maintenance measures in time.
The inclination angle acquisition unit adopts an inclination angle sensor to measure the inclination angle of the tower pole and the pull wire; the basic deviation acquisition unit measures the deviation of the tower pole by adopting a distance sensor.
The environmental data acquisition unit adopts temperature sensor, humidity transducer, air velocity transducer, wind direction sensor, sunshine sensor and rainfall sensor to carry out real-time detection respectively to temperature, humidity, wind speed, wind direction, sunshine and rainfall on scene.
The insulator flashover current acquisition unit adopts a straight-through current sensor to acquire a leakage current signal on the surface of the insulator, and the current sensor is sleeved on the insulator.
The signal processing unit comprises an amplifying module and a filtering module, amplifies and high-frequency filters the leakage current signal, and outputs an electric signal conforming to the A/D conversion unit.
The video monitoring unit comprises a camera and a video monitoring terminal, the video monitoring terminal receives the control signal sent by the control processing unit to control the position, the angle, the focal length, the aperture and the rotating speed of the camera, and uploads a monitoring picture to the monitoring center.
The solar power supply unit comprises a solar panel, a controller, a storage battery and a protection module, wherein the controller is respectively connected with the solar panel, the storage battery and the control processing unit, and the solar panel and the storage battery are connected with the control processing unit through the protection module; the controller controls the working mode of the solar power supply unit according to the output electric energy of the solar panel:
when the illumination is sufficient, the solar panel charges the storage battery on one hand, and directly provides a power supply for the insulator contamination detection system on the other hand; when the weather condition is poor and the illumination is insufficient, the storage battery provides a power supply for the insulator contamination detection system;
the protection module controls whether the storage battery provides power for the insulator contamination detection system or not according to the residual capacity of the storage battery, and the storage battery is prevented from being influenced by overdischarge.
The alarm unit adopts a sound alarm, and sends out an alarm signal when the insulator is seriously polluted, so that the maintenance of related workers is facilitated;
the communication unit adopts a wireless communication technology, uploads the acquired information and the alarm signal to the monitoring center, and receives a control instruction sent by the monitoring center; the monitoring center can also set parameters of the insulator contamination detection system through the communication unit, wherein the parameters comprise an alarm value and a sampling period.
The control processing unit adopts a microprocessor to analyze and judge the acquired data:
when the inclination angle between the tower rod and the pull wire is larger than the inclination angle alarm value, controlling the alarm unit to send out an alarm signal; when the offset of the tower pole is larger than the offset alarm value, controlling the alarm unit to send out an alarm signal; when the leakage current is larger than a leakage current alarm value, controlling the alarm unit to send out an alarm signal;
the control processing unit is combined with the temperature, humidity, wind speed and wind direction data collected by the environment data collecting unit to calculate the inclination trend, inclination speed, basic deviation trend and leakage current change trend of the tower pole, compares the inclination trend, inclination speed, basic deviation trend and leakage current change trend with preset alarm values, and sends out an alarm signal through the alarm unit if the inclination trend, the basic deviation trend and the leakage current change trend are higher than the preset alarm values;
when a fault occurs, the control processing unit controls the communication unit to upload fault information to the monitoring center, calls the environmental data and the monitoring video and forms a fault report; the control processing unit is provided with a fixed address number, and the monitoring center determines the position of the fault tower pole according to the address number.
Drawings
Fig. 1 is a schematic structural diagram of a power transmission line tower pole working condition monitoring system based on multiple information acquisition.
Detailed Description
The following describes in detail a specific embodiment of the power transmission line tower pole working condition monitoring system based on multiple information acquisition with reference to the accompanying drawings.
As shown in figure 1, the tower pole working condition monitoring system comprises an inclination angle acquisition unit, a basic deviation acquisition unit, an environmental data acquisition unit, an insulator flashover current acquisition unit, a signal processing unit, an A/D conversion unit, a control processing unit, a video monitoring unit, a solar power supply unit, a storage unit, an alarm unit and a communication unit, the insulator flashover current acquisition unit is connected with the signal processing unit, the inclination angle acquisition unit, the basic deviation acquisition unit and the environmental data acquisition unit are respectively connected with the A/D conversion unit, the control processing unit is respectively connected with the A/D conversion unit, the video monitoring unit, the solar power supply unit, the storage unit, the alarm unit and the communication unit; the tower pole working condition monitoring system adopts various sensors to detect the relevant information of the tower pole, analyzes and judges whether the abnormity occurs or not, sends out an alarm signal in time, uploads the information to a monitoring center through the communication unit, and determines the position of the tower pole by combining with the video monitoring unit so that relevant workers can make maintenance measures in time.
The inclination angle acquisition unit adopts an inclination angle sensor to measure the inclination angle of the tower pole and the pull wire; the basic deviation acquisition unit measures the deviation of the tower pole by adopting a distance sensor.
The environmental data acquisition unit adopts temperature sensor, humidity transducer, air velocity transducer, wind direction sensor, sunshine sensor and rainfall sensor to carry out real-time detection respectively to temperature, humidity, wind speed, wind direction, sunshine and rainfall on scene.
The insulator flashover current acquisition unit adopts a straight-through current sensor to acquire a leakage current signal on the surface of the insulator, and the current sensor is sleeved on the insulator.
The signal processing unit comprises an amplifying module and a filtering module, amplifies and high-frequency filters the leakage current signal, and outputs an electric signal conforming to the A/D conversion unit.
The video monitoring unit comprises a camera and a video monitoring terminal, the video monitoring terminal receives the control signal sent by the control processing unit to control the position, the angle, the focal length, the aperture and the rotating speed of the camera, and uploads a monitoring picture to the monitoring center.
The solar power supply unit comprises a solar panel, a controller, a storage battery and a protection module, wherein the controller is respectively connected with the solar panel, the storage battery and the control processing unit, and the solar panel and the storage battery are connected with the control processing unit through the protection module; the controller controls the working mode of the solar power supply unit according to the output electric energy of the solar panel:
when the illumination is sufficient, the solar panel charges the storage battery on one hand, and directly provides a power supply for the insulator contamination detection system on the other hand; when the weather condition is poor and the illumination is insufficient, the storage battery provides a power supply for the insulator contamination detection system;
the protection module controls whether the storage battery provides power for the insulator contamination detection system or not according to the residual capacity of the storage battery, and the storage battery is prevented from being influenced by overdischarge.
The alarm unit adopts a sound alarm, and sends out an alarm signal when the insulator is seriously polluted, so that the maintenance of related workers is facilitated;
the communication unit adopts a wireless communication technology, uploads the acquired information and the alarm signal to the monitoring center, and receives a control instruction sent by the monitoring center; the monitoring center can also set parameters of the insulator contamination detection system through the communication unit, wherein the parameters comprise an alarm value and a sampling period.
The control processing unit adopts a microprocessor to analyze and judge the acquired data:
when the inclination angle between the tower rod and the pull wire is larger than the inclination angle alarm value, controlling the alarm unit to send out an alarm signal; when the offset of the tower pole is larger than the offset alarm value, controlling the alarm unit to send out an alarm signal; when the leakage current is larger than a leakage current alarm value, controlling the alarm unit to send out an alarm signal;
the control processing unit is combined with the temperature, humidity, wind speed and wind direction data collected by the environment data collecting unit to calculate the inclination trend, inclination speed, basic deviation trend and leakage current change trend of the tower pole, compares the inclination trend, inclination speed, basic deviation trend and leakage current change trend with preset alarm values, and sends out an alarm signal through the alarm unit if the inclination trend, the basic deviation trend and the leakage current change trend are higher than the preset alarm values;
when a fault occurs, the control processing unit controls the communication unit to upload fault information to the monitoring center, calls the environmental data and the monitoring video and forms a fault report; the control processing unit is provided with a fixed address number, and the monitoring center determines the position of the fault tower pole according to the address number.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides a transmission line tower pole working condition monitoring system based on multiple information acquisition, its characterized in that, tower pole working condition monitoring system includes inclination acquisition unit, basic skew acquisition unit, environmental data acquisition unit, insulator flashover current acquisition unit, signal processing unit, AD conversion unit, control processing unit, video monitoring unit, solar energy power supply unit, memory cell, alarm unit and communication unit, insulator flashover current acquisition unit with signal processing unit is connected, signal processing unit, inclination acquisition unit, basic skew acquisition unit, environmental data acquisition unit are respectively AD conversion unit is connected, control processing unit respectively with AD conversion unit, video monitoring unit, solar energy power supply unit, The storage unit, the alarm unit and the communication unit are connected; the tower pole working condition monitoring system adopts various sensors to detect the relevant information of the tower pole, analyzes and judges whether the abnormity occurs or not, sends out an alarm signal in time, uploads the information to a monitoring center through the communication unit, and determines the position of the tower pole by combining with the video monitoring unit so that relevant workers can make maintenance measures in time.
2. The system for monitoring the working condition of the tower pole of the power transmission line based on multiple information acquisition of claim 1, wherein the inclination angle acquisition unit adopts an inclination angle sensor to measure the inclination angle between the tower pole and a pull wire; the basic deviation acquisition unit measures the deviation of the tower pole by adopting a distance sensor.
3. The system for monitoring the working condition of the power transmission line tower pole based on multiple information acquisition of claim 2, wherein the environmental data acquisition unit adopts a temperature sensor, a humidity sensor, a wind speed sensor, a wind direction sensor, a sunshine sensor and a rainfall sensor to respectively detect the temperature, the humidity, the wind speed, the wind direction, the sunshine and the rainfall of a site in real time.
4. The system for monitoring the working condition of the tower pole of the power transmission line based on the multiple information acquisition of claim 3, wherein the insulator flashover current acquisition unit adopts a straight-through current sensor to acquire the signal of the leakage current on the surface of the insulator, and the current sensor is sleeved on the insulator.
5. The system for monitoring the working condition of the tower pole of the power transmission line based on the multiple information acquisition of claim 4, wherein the signal processing unit comprises an amplifying module and a filtering module, and is used for amplifying and filtering the leakage current signal at high frequency and outputting an electric signal conforming to the A/D conversion unit.
6. The system for monitoring the working condition of the tower pole of the power transmission line based on multiple information acquisition of claim 5, wherein the video monitoring unit comprises a camera and a video monitoring terminal, and the video monitoring terminal receives the control signal sent by the control processing unit to control the position, the angle, the focal length, the aperture and the rotating speed of the camera and upload the monitoring picture to the monitoring center.
7. The system for monitoring the working condition of the tower pole of the power transmission line based on multiple information acquisition of claim 6, wherein the solar power supply unit comprises a solar panel, a controller, a storage battery and a protection module, the controller is respectively connected with the solar panel, the storage battery and the control processing unit, and the solar panel and the storage battery are connected with the control processing unit through the protection module; the controller controls the working mode of the solar power supply unit according to the output electric energy of the solar panel:
when the illumination is sufficient, the solar panel charges the storage battery on one hand, and directly provides a power supply for the insulator contamination detection system on the other hand; when the weather condition is poor and the illumination is insufficient, the storage battery provides a power supply for the insulator contamination detection system;
the protection module controls whether the storage battery provides power for the insulator contamination detection system or not according to the residual capacity of the storage battery, and the storage battery is prevented from being influenced by overdischarge.
8. The system for monitoring the working condition of the tower pole of the power transmission line based on the multiple information acquisition of claim 7, wherein the alarm unit adopts a sound alarm, and when the insulator is seriously polluted, an alarm signal is sent out, so that the maintenance of related workers is facilitated;
the communication unit adopts a wireless communication technology, uploads the acquired information and the alarm signal to the monitoring center, and receives a control instruction sent by the monitoring center; the monitoring center can also set parameters of the insulator contamination detection system through the communication unit, wherein the parameters comprise an alarm value and a sampling period.
9. The system for monitoring the working condition of the tower pole of the power transmission line based on the collection of various information as claimed in claim 8, wherein the control processing unit adopts a microprocessor to analyze and judge the collected data:
when the inclination angle between the tower rod and the pull wire is larger than the inclination angle alarm value, controlling the alarm unit to send out an alarm signal; when the offset of the tower pole is larger than the offset alarm value, controlling the alarm unit to send out an alarm signal; when the leakage current is larger than a leakage current alarm value, controlling the alarm unit to send out an alarm signal;
the control processing unit is combined with the temperature, humidity, wind speed and wind direction data collected by the environment data collecting unit to calculate the inclination trend, inclination speed, basic deviation trend and leakage current change trend of the tower pole, compares the inclination trend, inclination speed, basic deviation trend and leakage current change trend with preset alarm values, and sends out an alarm signal through the alarm unit if the inclination trend, the basic deviation trend and the leakage current change trend are higher than the preset alarm values;
when a fault occurs, the control processing unit controls the communication unit to upload fault information to the monitoring center, calls the environmental data and the monitoring video and forms a fault report; the control processing unit is provided with a fixed address number, and the monitoring center determines the position of the fault tower pole according to the address number.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111372044A (en) * | 2020-02-27 | 2020-07-03 | 国网山西省电力公司晋城供电公司 | System, method and device for inspecting transmission line in goaf |
| CN111693091A (en) * | 2020-06-11 | 2020-09-22 | 国网河北省电力有限公司建设公司 | Iron tower working condition Internet of things monitoring system |
| CN112345884A (en) * | 2020-11-03 | 2021-02-09 | 国网江苏省电力有限公司盐城供电分公司 | Method for processing faults of power transmission and distribution line in thunder and lightning weather |
| CN112650121A (en) * | 2020-12-22 | 2021-04-13 | 安徽康能电气有限公司 | Multi-dimensional intelligent monitoring method and device for tower |
| CN113252102A (en) * | 2021-05-07 | 2021-08-13 | 国网山东省电力公司东平县供电公司 | High-voltage transmission line on-line monitoring system |
| CN113433487A (en) * | 2021-06-22 | 2021-09-24 | 国网陕西省电力公司电力科学研究院 | Drop-out fuse state monitoring method, device, equipment and medium |
| CN114019314A (en) * | 2021-11-17 | 2022-02-08 | 国网江西省电力有限公司新干县供电分公司 | Low-current grounding fault indicating device for power distribution network tower |
| CN116576924A (en) * | 2023-07-13 | 2023-08-11 | 陕西协成测试技术有限公司 | Detection alarm device for long-distance power transmission line |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111372044A (en) * | 2020-02-27 | 2020-07-03 | 国网山西省电力公司晋城供电公司 | System, method and device for inspecting transmission line in goaf |
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| CN112345884A (en) * | 2020-11-03 | 2021-02-09 | 国网江苏省电力有限公司盐城供电分公司 | Method for processing faults of power transmission and distribution line in thunder and lightning weather |
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| CN113433487A (en) * | 2021-06-22 | 2021-09-24 | 国网陕西省电力公司电力科学研究院 | Drop-out fuse state monitoring method, device, equipment and medium |
| CN114019314A (en) * | 2021-11-17 | 2022-02-08 | 国网江西省电力有限公司新干县供电分公司 | Low-current grounding fault indicating device for power distribution network tower |
| CN116576924A (en) * | 2023-07-13 | 2023-08-11 | 陕西协成测试技术有限公司 | Detection alarm device for long-distance power transmission line |
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Application publication date: 20200207 |