CN216599133U - Switch cabinet running state monitoring and diagnosing system - Google Patents
Switch cabinet running state monitoring and diagnosing system Download PDFInfo
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- CN216599133U CN216599133U CN202122758886.4U CN202122758886U CN216599133U CN 216599133 U CN216599133 U CN 216599133U CN 202122758886 U CN202122758886 U CN 202122758886U CN 216599133 U CN216599133 U CN 216599133U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 31
- 238000004891 communication Methods 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 238000012423 maintenance Methods 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims description 8
- UKACHOXRXFQJFN-UHFFFAOYSA-N heptafluoropropane Chemical compound FC(F)C(F)(F)C(F)(F)F UKACHOXRXFQJFN-UHFFFAOYSA-N 0.000 claims description 4
- 238000007791 dehumidification Methods 0.000 abstract description 4
- 238000003745 diagnosis Methods 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 description 14
- 238000007689 inspection Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 230000000007 visual effect Effects 0.000 description 5
- 230000008439 repair process Effects 0.000 description 4
- 238000009529 body temperature measurement Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model provides a switch cabinet running state monitoring and diagnosing system, which comprises: the switch cabinet acquisition operation and maintenance terminal comprises a controller, a camera, a partial discharge sensor, a temperature sensor, a humidity sensor, a fan, a heating and dehumidification device, a fire extinguishing device and a wireless communication module, wherein the camera, the partial discharge sensor, the temperature sensor, the humidity sensor, the fan, the heating and dehumidification device, the fire extinguishing device and the wireless communication module are electrically connected with the controller; the controller is also electrically connected with a breaker of the switch cabinet and used for controlling the opening and closing of the breaker; the controller is in wireless communication connection with the server through the wireless communication module, and the server is in communication connection with the client terminal. The utility model can carry out multi-dimensional real-time monitoring and diagnosis on the operation state of the switch cabinet, and upload data to the server and the client terminal, thereby realizing remote monitoring and control and improving the operation quality of the switch cabinet.
Description
Technical Field
The utility model relates to the technical field of power equipment, in particular to a switch cabinet running state monitoring and diagnosing system.
Background
The switch cabinet is an important device in a transformer substation, and a switch contact, a bus connector and a cable terminal in the switch cabinet are easy to generate heat due to overlarge contact resistance in the operation process; however, because the switch cabinet runs in a closed manner and the internal space is narrow, the defects can not be monitored almost in the running state at present, great difficulty is brought to operation and maintenance management of switch cabinet equipment, the high-voltage indoor switch cabinet is often accompanied by dense smoke when a fire disaster dangerous situation occurs, the field situation can not be judged, the life safety is endangered if the switch cabinet is extinguished in a stochaste manner, and the development of the fire disaster is not under the control. Under extreme conditions, faults cannot be isolated in time, and accidents are expanded. Therefore, a system capable of realizing real-time monitoring of the operation data of the switch cabinet based on the internet is urgently needed to realize the online operation and maintenance of the switch cabinet.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a switch cabinet running state monitoring and diagnosing system which can collect a plurality of state parameters such as partial discharge, temperature, humidity and the like, carry out multi-dimensional real-time monitoring and diagnosis on the switch cabinet running state, upload data to a server side and a client terminal, realize remote monitoring and control and improve the switch cabinet running inspection working quality.
In order to achieve the purpose, the utility model provides the following scheme:
a switch cabinet running state monitoring and diagnosing system comprises: the switch cabinet acquisition, operation and maintenance terminal comprises a controller, and a camera, a partial discharge sensor, a temperature sensor, a humidity sensor, a fan, a heating and dehumidifying device, a fire extinguishing device and a wireless communication module which are electrically connected with the controller, wherein the partial discharge sensor, the temperature sensor and the humidity sensor are arranged in the switch cabinet and are respectively used for acquiring a partial discharge signal, a temperature signal and a humidity signal in the switch cabinet, and the camera is arranged in the switch cabinet and is used for acquiring images in the switch cabinet; the fan is arranged on the cabinet body of the switch cabinet and used for ventilating and radiating heat for the switch cabinet; the heating and dehumidifying device is arranged in the switch cabinet and is used for dehumidifying the switch cabinet in a heating mode; the fire extinguishing device is arranged beside the switch cabinet and is used for extinguishing fire;
the controller is also electrically connected with a circuit breaker of the switch cabinet and used for controlling the opening and closing of the circuit breaker; the controller is in wireless communication connection with the server through a wireless communication module, and the server is in communication connection with the client terminal.
Further, still be provided with auxiliary lighting lamp in the cubical switchboard, auxiliary lighting lamp with controller electric connection is used for the assistance the camera gathers the image under the dark surrounds.
Furthermore, the temperature sensor adopts a SAW temperature measurement sensor.
Further, the partial discharge sensor is a UHF partial discharge sensor.
Furthermore, the fire extinguishing device adopts a heptafluoropropane temperature-sensing self-starting fire extinguishing device and comprises a fire detection pipe, a container valve and a fire extinguishing agent storage container, wherein the fire extinguishing agent storage container is arranged outside the switch cabinet, the fire detection pipe is connected to the fire extinguishing agent storage container through the container valve, and the fire detection pipe is fixed above the most possible fire source in the switch cabinet for fire source detection.
Further, the switch cabinet acquisition operation and maintenance terminal further comprises a sound and light alarm device, and the sound and light alarm device is electrically connected with the controller.
Further, the server side is a remote monitoring computer, and the client terminal is a mobile phone or a tablet.
According to the specific embodiment provided by the utility model, the utility model discloses the following technical effects: according to the switch cabinet running state monitoring and diagnosing system, the local discharge sensor, the temperature sensor, the humidity sensor and the camera are arranged, so that the real-time monitoring of the switch cabinet running state parameters is realized, and the problems that potential defects are not found timely in the traditional operation and maintenance mode, and the artificial and environmental interference factors are large are solved; the internal operation faults of the switch cabinet can be timely processed through the fan, the heating and dehumidifying device and the fire extinguishing device, the conditions such as the insulation state of the switch cabinet and the occurrence of fire disaster are effectively and centrally prevented and controlled, the operation of the power switch cabinet is guaranteed, the comprehensive and centralized monitoring and management of a switch cabinet chamber are realized, passive operation and maintenance are changed into active operation and maintenance, the daily complex and time-consuming field inspection and maintenance work is simplified, the labor is saved, and the reliability of power supply and utilization is improved; when a fault occurs, the power first-aid repair personnel can know fault information through the client terminal at the first time, judge the fault position, actively carry out first-aid repair, actively contact power customers, and reduce the power failure time to the maximum extent; the system can improve the operation quality of operation and inspection in a targeted manner, and the product is good in compatibility with the traditional transformer substation, strong in universality and suitable for large-scale popularization in a power grid system.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described 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 to obtain other drawings without inventive exercise.
Fig. 1 is a schematic block diagram of a switch cabinet operation state monitoring and diagnosing system according to an embodiment of the present invention;
reference numerals: 1. a controller; 2. a camera; 3. a partial discharge sensor; 4. a temperature sensor; 5. a humidity sensor; 6. an audible and visual alarm device; 7. a circuit breaker; 8. a fire extinguishing device; 9. a heating and dehumidifying device; 10. a fan; 11. an auxiliary lighting lamp; 12. a wireless communication module; 13. a server side; 14. and a client terminal.
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.
The utility model aims to provide a switch cabinet running state monitoring and diagnosing system which can collect a plurality of state parameters such as partial discharge, temperature, humidity and the like, carry out multi-dimensional real-time monitoring and diagnosis on the switch cabinet running state, upload data to a server side and a client terminal, realize remote monitoring and control and improve the switch cabinet running inspection working quality.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1, the system for monitoring and diagnosing the operating state of a switch cabinet provided in the embodiment of the present invention includes: the switch cabinet acquisition, operation and maintenance terminal comprises a controller 1, a camera 2, a partial discharge sensor 3, a temperature sensor 4, a humidity sensor 5, a fan 10, a heating and dehumidifying device 9, a fire extinguishing device 8 and a wireless communication module 11, wherein the camera 2, the partial discharge sensor 3, the temperature sensor 4 and the humidity sensor 5 are electrically connected with the controller 1, the partial discharge sensor 3, the temperature sensor 4 and the humidity sensor 5 are arranged inside the switch cabinet and are respectively used for acquiring a partial discharge signal, a temperature signal and a humidity signal inside the switch cabinet, and the camera 2 is arranged in the switch cabinet and is used for acquiring images inside the switch cabinet; the fan 10 is arranged on the cabinet body of the switch cabinet, corresponds to equipment which is easy to accumulate heat, and is used for ventilating and radiating heat for the switch cabinet; the heating and dehumidifying device 9 is arranged in the switch cabinet and is used for dehumidifying the switch cabinet in a heating mode; the fire extinguishing device 8 is arranged beside the switch cabinet and is used for extinguishing fire;
the controller 1 is also electrically connected with a circuit breaker 7 of the switch cabinet, and is used for controlling the opening and closing of the circuit breaker through an actuating mechanism of the circuit breaker, and when a fault occurs, such as a fire disaster, or temperature and humidity data of the switch cabinet are abnormal, the controller can directly control the circuit breaker to open the switch, so that the power supply of the switch cabinet is cut off; the controller 1 is in wireless communication connection with the server 12 through a wireless communication module 11, and the server 12 is in communication connection with the client terminal 13.
Still be provided with auxiliary lighting lamp 11 in the cubical switchboard, auxiliary lighting lamp 11 with 1 electric connection of controller is used for the assistance camera 2 gathers the image under the dark surrounds. At night or under the bad condition of illumination, when needing to start the camera and make a video recording, the linkage assists light, opens the light.
The camera is installed on the camera of the switch room, and the installation method is selected according to the range, angle, scene and field condition to be monitored. The utility model selects a network ball machine with a cloud band and capable of rotating 360 degrees as a monitoring camera, and the ball machine is installed by adopting a suspended ceiling. An installation support and an expansion screw are provided in the ball machine package, the support is fixed, and then the ball machine is installed.
Temperature sensor and humidity transducer are wall-hanging design, and the shell seals dustproof antifog, is applicable to comparatively moist or the great environment of dust.
The temperature sensor 4 adopts a SAW temperature measurement sensor. The SAW temperature measurement sensor has the characteristics of working principle:
the sensor is encapsulated by full silica gel, the internal antenna is designed in a vibration-proof manner, and the protection grade is IP 65;
the insulation is safe, a passive chip is adopted in the interior, and the service life is prolonged;
can bear 545kV and 20 kA;
the temperature measuring range is-25 ℃ to +150 ℃.
The partial discharge sensor 3 is a UHF partial discharge sensor.
The fire extinguishing device 8 adopts a heptafluoropropane temperature-sensing self-starting fire extinguishing device and comprises a fire detecting pipe, a container valve and a fire extinguishing agent storage container, wherein the fire detecting pipe is arranged outside the switch cabinet and is connected to the fire extinguishing agent storage container through the container valve, and the fire detecting pipe is fixed above the most possible fire source in the switch cabinet for fire source detection. When meeting fire, the fire detecting tube is softened and exploded at the highest heating temperature, the container valve is started by utilizing the pressure reduction in the fire detecting tube, and the fire extinguishing agent is released from the explosion hole of the fire detecting tube to extinguish the fire. The main parameters of the fire detecting tube are shown in table 1, and the main technical parameters of the heptafluoropropane temperature-sensing self-starting fire extinguishing device are shown in table 2.
TABLE 1
TABLE 2
The fire extinguishing device adopts the flexible fire detecting tube as a fire detecting and alarming part, and the fire detecting tube can also be used as a pipeline for conveying and spraying fire extinguishing agents. The flexible fire detecting tube can be conveniently arranged at the nearest part of each potential fire source, in case of fire, the fire detecting tube is heated, broken and decompressed, a container valve of the fire extinguishing device is started, and the fire extinguishing agent is sprayed at a crevasse part (namely a part needing fire extinguishing) through the fire detecting tube to extinguish the fire. The temperature sensing self-starting fire extinguishing device has the following maximum characteristics: firstly, a power supply and a traditional fire alarm control component are not needed, so that the cost and the installation difficulty are reduced, the reliability of the fire extinguishing device is greatly improved, and the misoperation of an electric control alarm component is avoided; second, the conventional fixed fire extinguishing system performs fire detection only for the entire protected space, and extinguishes the whole space regardless of the size of fire, thereby causing the situation that the detection response time is slow and the fire extinguishing agent is wasted in a large amount. The fire detecting pipe can be paved inside equipment and instruments which can be ignited, so that the fire can be detected in the shortest time, and the point-to-point fire extinguishing can be implemented on the part which is only ignited at the highest speed, therefore, the corresponding time is faster, and the using amount of the fire extinguishing agent is less.
The switch cabinet acquisition operation and maintenance terminal further comprises an audible and visual alarm device 6, the audible and visual alarm device 6 is electrically connected with the controller 1 and used for giving audible and visual alarm prompting when the temperature, humidity and other parameters inside the switch cabinet exceed the safety threshold value set by the controller, and the audible and visual alarm device is provided with a prompting LED lamp with multiple colors such as red, yellow and the like.
The server 13 is a remote monitoring computer, and the client 14 is a mobile phone or a tablet.
The controller 1 may adopt a coordinated control edge computing unit (CMU), and its operating principle is shown in table 3: through the communication between different equipment, should be able to realize user-defined equipment linkage, including relevant equipment linkage such as fire control, environmental monitoring, warning. Under night or illumination bad circumstances, when needing to start the camera and make a video recording, linkage auxiliary light, turn on the light. When a fire disaster happens, a camera in the area where the alarm equipment is linked tracks and shoots the fire disaster condition, and the power supply of the fan and the power supply of the lighting equipment are automatically cut off. The ventilation system is automatically started or closed by acquiring the indoor environment temperature and humidity in real time.
TABLE 3
In addition, the temperature-sensing self-starting fire extinguishing device is characterized in that the fire detecting tube is arranged in the protection area and is arranged above or around the fire source, the fire detecting tube is not more than 1 m away from the protected position and is not tightly attached to the surface at the temperature of more than 80 ℃, and the minimum bending radius of the fire detecting tube is not less than 60 mm. The installation mode of the temperature-sensing self-starting fire extinguishing device is as follows:
1. selecting a proper position for placing the fire extinguishing agent bottle group, and installing a fixed support of the fire extinguishing agent bottle group at a beam and other parts capable of bearing load; selecting a position convenient for installing and observing the pressure gauge near the fire extinguishing agent bottle group, and drilling a pressure gauge installation hole;
2. and firmly fixing the fire extinguishing agent bottle group (the bottle group comprises a steel bottle, a container valve and a small ball valve at the side of the container valve) on the bracket. Note that: and (4) removing an outlet plug of the container valve and connecting a special outlet adapter.
3. Cutting a fire detecting pipe with the length of about 400mm, sleeving a clamping sleeve nut at one end, penetrating through a clamping sleeve joint connected with a small ball valve at the side of a container valve, and screwing down the clamping sleeve nut; similarly, the other end of the fire detecting tube is connected to the 'inlet' (the sleeve connector with 180 degrees of connecting internal thread) of the container valve outlet adapter.
4. Cutting off the fire detecting pipes with proper length, arranging the fire detecting pipes in the protection area according to the arrangement requirement of the fire detecting pipes, and fixing the fire detecting pipes on the support and the hanger by using binding tapes at intervals of 500 mm.
5. One end of the fire detecting pipe is screwed on an outlet (a clamping sleeve connector which is connected with an internal thread at 90 degrees) clamping sleeve connector of the outlet adapter of the container valve; the other end is connected with a pressure gauge switch and a pressure gauge in sequence; the pressure gauge is fixed. The appropriate length is the distance between the clamping sleeve of the outlet of the container valve and the terminal pressure gauge, the bending radius of the fire detecting tube and the allowance.
The heating and dehumidifying device can be arranged at the bottom of the switch cabinet, is an electric heating wire wrapped by an insulating heat-resistant shell and can be used for drying in a heating mode to realize dehumidification in the switch cabinet; other devices may be used as desired.
The switch cabinet and each internal part thereof can adjust the installation direction according to the actual use requirement, and the system construction provided by the application realizes that: 1. when the temperature and partial discharge sensors in the switch cabinet respond to high-level alarm at the same time, a switch trip control loop is started to alarm, and faults are effectively isolated in time; 2. starting a fire extinguishing device to prevent the fire from spreading; 3. the high-voltage chamber video monitoring device, the fan, the dehumidification device in the switch cabinet and the like are linked.
According to the switch cabinet running state monitoring and diagnosing system, the local discharge sensor, the temperature sensor, the humidity sensor and the camera are arranged, so that the real-time monitoring of the switch cabinet running state parameters is realized, and the problems that potential defects are not found timely in the traditional operation and maintenance mode, and the artificial and environmental interference factors are large are solved; the internal operation faults of the switch cabinet can be timely processed through the fan, the heating and dehumidifying device and the fire extinguishing device, the insulation state of the switch cabinet and the occurrence condition of fire are effectively monitored in a centralized mode, the operation of the power switch cabinet is guaranteed, comprehensive and centralized monitoring and management of a switch cabinet chamber are realized, passive operation and maintenance are changed into active operation and maintenance, the daily complex and time-consuming field inspection and maintenance work is simplified, manpower is saved, and the reliability of power supply and utilization is improved; when a fault occurs, the power first-aid repair personnel can know fault information through the client terminal at the first time, judge the fault position, actively carry out first-aid repair, actively contact power customers, and reduce the power failure time to the maximum extent; the system can improve the operation quality of operation and inspection in a targeted manner, and the product is good in compatibility with the traditional transformer substation, strong in universality and suitable for large-scale popularization in a power grid system.
The principle and the embodiment of the present invention are explained by applying specific examples, and the above description of the embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the utility model.
Claims (5)
1. A switch cabinet running state monitoring and diagnosing system is characterized by comprising: the switch cabinet acquisition, operation and maintenance terminal comprises a controller, and a camera, a partial discharge sensor, a temperature sensor, a humidity sensor, a fan, a heating and dehumidifying device, a fire extinguishing device and a wireless communication module which are electrically connected with the controller, wherein the partial discharge sensor, the temperature sensor and the humidity sensor are arranged in the switch cabinet and are respectively used for acquiring a partial discharge signal, a temperature signal and a humidity signal in the switch cabinet, and the camera is arranged in the switch cabinet and is used for acquiring images in the switch cabinet; the fan is arranged beside the cabinet body of the switch cabinet and used for ventilating and radiating heat for the switch cabinet; the heating and dehumidifying device is arranged in the switch cabinet and is used for dehumidifying the switch cabinet in a heating mode; the fire extinguishing device is arranged on the switch cabinet and is used for extinguishing fire;
the controller is also electrically connected with a circuit breaker of the switch cabinet and used for controlling the opening and closing of the circuit breaker; the controller is in wireless communication connection with the server through a wireless communication module, and the server is in communication connection with the client terminal.
2. The switch cabinet operation state monitoring and diagnosing system according to claim 1, wherein an auxiliary illuminating lamp is further disposed in the switch cabinet, and the auxiliary illuminating lamp is electrically connected to the controller and is used for assisting the camera to collect images in a dark environment.
3. The monitoring and diagnosing system for the operating condition of the switch cabinet as claimed in claim 1, wherein the temperature sensor is a SAW temperature sensor.
4. The monitoring and diagnosing system for operational status of switch cabinet according to claim 1, wherein the partial discharge sensor is a UHF partial discharge sensor.
5. The monitoring and diagnosing system for the operating status of the switch cabinet according to claim 1, wherein the fire extinguishing device is a heptafluoropropane temperature-sensing self-starting fire extinguishing device, and comprises a fire detecting tube, a container valve and a fire extinguishing agent storage container, the fire detecting tube is mounted outside the switch cabinet and connected to the fire extinguishing agent storage container through the container valve, and the fire detecting tube is fixed above the position where the fire source is most likely to occur in the switch cabinet for fire source detection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122758886.4U CN216599133U (en) | 2021-11-11 | 2021-11-11 | Switch cabinet running state monitoring and diagnosing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122758886.4U CN216599133U (en) | 2021-11-11 | 2021-11-11 | Switch cabinet running state monitoring and diagnosing system |
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| CN216599133U true CN216599133U (en) | 2022-05-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116633025A (en) * | 2023-07-24 | 2023-08-22 | 国网湖北省电力有限公司武汉市东湖新技术开发区供电公司 | Visual wisdom limit platform of electric power operation monitoring |
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2021
- 2021-11-11 CN CN202122758886.4U patent/CN216599133U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116633025A (en) * | 2023-07-24 | 2023-08-22 | 国网湖北省电力有限公司武汉市东湖新技术开发区供电公司 | Visual wisdom limit platform of electric power operation monitoring |
| CN116633025B (en) * | 2023-07-24 | 2023-09-26 | 国网湖北省电力有限公司武汉市东湖新技术开发区供电公司 | Visual wisdom limit platform of electric power operation monitoring |
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Granted publication date: 20220524 |