CN218216802U - Intelligent high-voltage board on-line monitoring system - Google Patents
Intelligent high-voltage board on-line monitoring system Download PDFInfo
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- CN218216802U CN218216802U CN202221905415.XU CN202221905415U CN218216802U CN 218216802 U CN218216802 U CN 218216802U CN 202221905415 U CN202221905415 U CN 202221905415U CN 218216802 U CN218216802 U CN 218216802U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 110
- 238000013523 data management Methods 0.000 claims abstract description 39
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- 230000005494 condensation Effects 0.000 claims description 10
- 238000009833 condensation Methods 0.000 claims description 10
- 239000013307 optical fiber Substances 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 9
- 238000007791 dehumidification Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 6
- 230000007774 longterm Effects 0.000 claims description 3
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Abstract
The utility model belongs to the technical field of high-voltage board monitoring, in particular to an intelligent high-voltage board on-line monitoring system, which comprises a data management system, and a data monitoring component and a monitoring computer which are connected with the data management system; the output end of the data monitoring component is connected with the input end of the data management system, and the output end of the data management system is connected with the input end of the monitoring computer; the data monitoring assembly comprises a front-end intelligent sensor assembly, a relay and a video auxiliary monitoring system. The utility model discloses a with the corresponding position of data monitoring subassembly setting at the switch board, acquire switch board operating parameter, carry out the maintenance of switch board in good time according to the parameter, improve switch board work efficiency, increase of service life.
Description
Technical Field
The utility model belongs to the technical field of the high-voltage board monitoring, in particular to intelligent high-voltage board on-line monitoring system.
Background
The intelligent power grid is the development direction of a future power system, the intelligent high-voltage cabinet is used as the core part of the intelligent high-voltage cabinet, the state monitoring of the high-voltage cabinet is realized, and the intelligent high-voltage cabinet has great significance for reducing the operation and maintenance cost of equipment, improving the operation reliability of the equipment and prolonging the service life of the equipment. Therefore, the state monitoring technology becomes a core technology for realizing the intelligent high-voltage cabinet. The state monitoring technology adopts a method of combining continuity and off-line monitoring, and applies modern electronic and computer technologies and modern analysis technologies to predict possible faults of equipment, so that the purposes of early warning and effective maintenance are achieved, and the operation of the equipment is guaranteed. The power grid structure is becoming more and more complicated, and the user has higher and higher requirement to the electric energy reliability of supplying simultaneously, and traditional power transmission and transformation equipment preventive test and maintenance mode has more and more satisfied the requirement of electric wire netting safe and economic operation and user to the power supply reliability. The original regulation periodically stops power supply for regular inspection, and if the equipment is repaired due to due, the safe operation of a power grid and the reliability of power supply are influenced, and the problems of insufficient overhaul and excessive overhaul can be caused.
Therefore, it is an urgent technical problem to be solved by those skilled in the art to provide a new intelligent online monitoring system for a high voltage cabinet.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defect that the inspection of rule cycle can not satisfy switch board maintenance demand among the prior art, provide an intelligent high-voltage board on-line monitored control system.
The utility model provides an intelligent high-voltage cabinet on-line monitoring system, which comprises a data management system, a data monitoring component and a monitoring computer, wherein the data monitoring component and the monitoring computer are connected with the data management system;
the output end of the data monitoring component is connected with the input end of the data management system, and the output end of the data management system is connected with the input end of the monitoring computer;
the data monitoring assembly comprises a front-end intelligent sensor assembly, a relay and a video auxiliary monitoring system;
one end of the front-end intelligent sensor assembly is connected with the high-voltage cabinet and used for acquiring parameters of the high-voltage cabinet, and the other end of the front-end intelligent sensor assembly is connected with the data management system through RS485 and used for sending the parameters of the high-voltage cabinet to the data management system;
one end of the relay is connected with the high-voltage cabinet switch through a multi-core cable and used for acquiring the on-off state of the high-voltage cabinet switch, and the other end of the relay is connected with the data management system through an I/O interface and used for sending the on-off state to the data management system;
the video auxiliary monitoring system is arranged inside or outside the high-voltage cabinet and used for acquiring video data inside the high-voltage cabinet, and the video auxiliary monitoring system is in communication connection with the data management system through a video protocol interface and used for sending the video data to the data management system.
The data management system comprises a data processing module, transmission network equipment and video storage equipment, wherein the transmission network equipment is connected with the data processing module;
the front-end intelligent sensor assembly and the relay are respectively connected with the data processing module, the video auxiliary monitoring system is connected with the video storage device, and the transmission network device is connected with the monitoring computer.
The data processing module is an intelligent box T600 AI edge computing device, the transmission network device is a communication gateway, and the video storage device is an NVR or DVR.
The front-end intelligent sensor assembly comprises at least one of an electronic SF6 barometer, a partial discharge monitoring sensor, a current transformer, a voltage transformer, a cable head optical fiber temperature measuring device, a temperature and humidity sensor and condensation dehumidification equipment;
the electronic SF6 barometer is used for monitoring pressure change of the air box;
the partial discharge monitoring sensor is used for monitoring whether partial discharge exists in the cable head and the cable chamber, so that damage or high temperature caused by long-term discharge is avoided;
the current transformer is used for monitoring the current change of the cable;
the voltage transformer is used for monitoring the fluctuation of the bus voltage;
the cable head optical fiber temperature measuring device is used for monitoring the temperature change of the lap joint of the cable and the terminal of the high-voltage cabinet;
the temperature and humidity sensor is used for monitoring the temperature and humidity of the operation environment of the high-voltage cabinet;
the condensation dehumidification equipment is used for removing water vapor and condensation in the cable chamber.
The video auxiliary monitoring system comprises at least one of a miniature infrared camera, a supplementary lighting network camera and a spherical camera;
the miniature infrared camera is used for monitoring whether foreign matters invade the cable chamber to damage the power cable;
the light supplementing network camera is used for monitoring the working state of elements in the closed air box;
the spherical camera is used for monitoring the panel state of the power distribution cabinet and the surrounding environment of the power distribution cabinet.
The further scheme is that the electronic SF6 barometer, the partial discharge monitoring sensor, the current transformer, the voltage transformer, the cable head optical fiber temperature measuring device, the temperature and humidity sensor and the condensation dehumidification equipment are respectively connected with the data processing module.
The further scheme is that the miniature infrared camera, the supplementary lighting network camera and the spherical camera are respectively connected with the video storage device.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a set up the data monitoring subassembly in the corresponding position of switch board, be used for the working parameter of real-time supervision switch board to send it to the data management system and carry out sending to the supervisory control computer after the data processing, the staff carries out the maintenance of switch board in good time according to the working parameter of switch board, avoids "overhauing not enough" and "overhauls the problem of surplus".
Drawings
The following drawings are merely illustrative and explanatory of the invention and are not intended to limit the scope of the invention, wherein:
FIG. 1: the connection structure of each part of the utility model is schematic;
FIG. 2: the front-end intelligent sensor component forms a block diagram;
FIG. 3: the video auxiliary monitoring system forms a block diagram.
Detailed Description
In order to make the objects, technical solutions, design methods, and advantages of the present invention more apparent, the present invention will be described in detail by specific embodiments with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1, the utility model provides an online monitoring system for an intelligent high-voltage cabinet, which comprises a data management system 1, and a data monitoring component and a monitoring computer 2 connected with the data management system 1; the parameters of the power distribution cabinet acquired by the data monitoring assembly are stored and processed by the data management system 1 and then are sent to the monitoring computer 2, and then whether the power distribution cabinet needs to be maintained or not is judged manually.
The output end of the data monitoring component is connected with the input end of the data management system 1, and the output end of the data management system 1 is connected with the input end of the monitoring computer 2;
the data monitoring assembly comprises a front-end intelligent sensor assembly 3, a relay 4 and a video auxiliary monitoring system 5;
one end of the front-end intelligent sensor assembly 3 is connected with the high-voltage cabinet and used for acquiring parameters of the high-voltage cabinet, and the other end of the front-end intelligent sensor assembly 3 is connected with the data management system 1 through RS485 and used for sending the parameters of the high-voltage cabinet to the data management system 1;
one end of the relay 4 is connected with the high-voltage cabinet switch through a common multi-core cable BVR (1.5 MM), the on-off state of the high-voltage cabinet switch is obtained through high-low level control of the relay 4, the other end of the relay 4 is connected with the data management system 1 through an I/O interface, and the on-off state is sent to the data management system 1 through an I/O state signal; wherein the I/O status signal indicates: when the switch is in a closing state, the relay is in a normally closed state, the input of '1' indicates that the switch is closed, when the switch is disconnected, the relay is in a normally open state, and the input of '0' indicates that the switch is opened; the remote control is the DI input, namely the closing and opening control signal is reversely output by controlling the relay to be normally open and normally closed, namely the DO output.
The video auxiliary monitoring system 5 is arranged inside or outside the high-voltage cabinet and used for acquiring video data inside the high-voltage cabinet, and the video auxiliary monitoring system 5 is in communication connection with the data management system 1 through a video protocol interface and used for sending the video data to the data management system 1.
In the above, the data management system 1 includes a data processing module 1.2, and a transmission network device 1.1 and a video storage device 1.3 connected to the data processing module 1.2;
the front-end intelligent sensor assembly 3 and the relay 4 are respectively connected with the data processing module 1.2, the video auxiliary monitoring system 5 is connected with the video storage device 1.3, and the transmission network device 1.1 is connected with the monitoring computer 2.
Specifically, the data processing module 1.2 is an intelligent box T600 AI edge computing device, the transmission network device 1.1 is a communication gateway, and the video storage device 1.3 is an NVR or DVR.
As shown in fig. 2, the front-end intelligent sensor assembly 3 includes an electronic SF6 barometer 3.1, a partial discharge monitoring sensor 3.2, a current transformer 3.3, a voltage transformer 3.4, a cable head optical fiber temperature measuring device 3.5, a temperature and humidity sensor 3.6, and a condensation dehumidification device 3.7; the electronic SF6 barometer 3.1, the partial discharge monitoring sensor 3.2, the current transformer 3.3, the voltage transformer 3.4, the cable head optical fiber temperature measuring device 3.5, the temperature and humidity sensor 3.6 and the condensation dehumidification equipment 3.7 are respectively connected with the data processing module 1.2.
The electronic SF6 barometer 3.1 is used for monitoring pressure change of an air box and is arranged in the air box of the power distribution cabinet;
the partial discharge monitoring sensor 3.2 is used for monitoring whether partial discharge exists in a cable head and a cable chamber, and damage or high temperature caused by long-term discharge is avoided; is arranged in the cable chamber;
the current transformer 3.3 is used for monitoring the current change of the cable;
the voltage transformer 3.4 is used for monitoring the fluctuation of the bus voltage;
the cable head optical fiber temperature measuring device 3.5 is arranged in the cable terminal elbow type and is used for monitoring the temperature change of the lap joint part of the cable and the high-voltage cabinet terminal;
and the temperature and humidity sensor 3.6 is arranged on the outer side of the high-voltage cabinet and used for monitoring the temperature and humidity of the operation environment of the high-voltage cabinet.
As shown in fig. 3, the video auxiliary monitoring system 5 includes a micro infrared camera 5.1, a supplementary lighting network camera 5.2 and a spherical camera 5.3; the miniature infrared camera 5.1, the supplementary lighting network camera 5.2 and the spherical camera 5.3 are respectively connected with the video storage device 1.3.
The miniature infrared camera 5.1 is arranged in a cable chamber of the high-voltage cabinet equipment and used for monitoring whether foreign matters invade the cable chamber to damage the power cable;
the light supplement network camera 5.2 is arranged in the high-voltage cabinet equipment air box and used for monitoring the working state of elements in the closed air box;
the spherical camera 5.3 is installed on the outer surface of the high-voltage cabinet and used for monitoring the panel state of the power distribution cabinet and the surrounding environment of the power distribution cabinet.
The utility model designs the service life and the service state of the main elements, such as the design of the number of times of closing and opening the brake and the time effect of closing and opening the brake, the time limit of the number of times of closing and opening the brake and the time effect of delaying the closing and opening the brake are counted by the backstage, and whether the closing and opening meshing of the video monitoring switch is in place or not is added, and whether the virtual connection, the dislocation and other states are judged to establish a fault model; the early warning model is established by video monitoring, living body identification and foreign body invasion judgment, the phenomenon that a cable chamber is damaged and a cable is bitten by a mouse or other foreign bodies is avoided, and early warning is carried out in advance to remind operation and maintenance personnel to take effective measures in time.
For example, in one embodiment, the repair values of the components in the front-end smart sensor assembly 3 may be determined based on operational experience and industry regulations, and the following are exemplary thresholds and are not within the scope of the present application:
the annual gas leakage rate of the electronic SF6 barometer is not more than 0.1%;
the range of the partial discharge monitoring sensor is not more than 30dB, the partial discharge monitoring sensor is in medium discharge state, the discharge points need to be determined and eliminated, the partial discharge monitoring sensor is in serious discharge state, the partial discharge monitoring sensor needs to be checked and maintained in power failure under the condition of power failure, and the partial discharge monitoring sensor needs to be maintained in power failure when the partial discharge monitoring sensor is more than 50 parts;
the current transformer is not more than/less than the rated value +/-5%;
a voltage transformer, not more than/less than the rated value +/-7%
The temperature rise of the optical fiber temperature measuring cable head is not more than 50 percent of the working temperature
Temperature and humidity sensor temperature-15 ℃ - +40 ℃, humidity: on average, no more than 95% daily and on average no more than 90% monthly.
When the threshold value is exceeded, the maintenance can be reported, the judgment of the threshold value can be manual comparison, and can also be completed through threshold value comparison equipment or a controller and the like in the prior art.
While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (7)
1. An intelligent high-voltage cabinet online monitoring system is characterized by comprising a data management system (1), and a data monitoring component and a monitoring computer (2) which are connected with the data management system (1);
the output end of the data monitoring component is connected with the input end of the data management system (1), and the output end of the data management system (1) is connected with the input end of the monitoring computer (2);
the data monitoring assembly comprises a front-end intelligent sensor assembly (3), a relay (4) and a video auxiliary monitoring system (5);
the front-end intelligent sensor assembly (3) is installed on the high-voltage cabinet and used for acquiring parameters of the high-voltage cabinet, and the front-end intelligent sensor assembly (3) is connected with the data management system (1) through RS485 and used for sending the parameters of the high-voltage cabinet to the data management system (1);
one end of the relay (4) is connected with the high-voltage cabinet switch through a multi-core cable and used for acquiring the on-off state of the high-voltage cabinet switch, and the other end of the relay (4) is connected with the data management system (1) through an I/O interface and used for sending the on-off state to the data management system (1);
the video auxiliary monitoring system (5) is arranged inside or outside the high-voltage cabinet and used for acquiring video data inside the high-voltage cabinet, and the video auxiliary monitoring system (5) is in communication connection with the data management system (1) through a video protocol interface and used for sending the video data to the data management system (1).
2. The intelligent on-line monitoring system of the high-voltage cabinet according to claim 1, wherein the data management system (1) comprises a data processing module (1.2) and a transmission network device (1.1) and a video storage device (1.3) respectively connected with the data processing module (1.2);
the front-end intelligent sensor assembly (3) and the relay (4) are respectively connected with the data processing module (1.2), the video auxiliary monitoring system (5) is connected with the video storage device (1.3), and the transmission network device (1.1) is connected with the monitoring computer (2).
3. The intelligent on-line monitoring system for high-voltage cabinets of claim 2, wherein the data processing module (1.2) is an intelligent box T600 AI edge computing device, the transmission network device (1.1) is a communication gateway, and the video storage device (1.3) is NVR or DVR.
4. The on-line monitoring system of the intelligent high-voltage cabinet according to claim 2, wherein the front-end intelligent sensor assembly (3) comprises at least one of an electronic SF6 barometer (3.1), a partial discharge monitoring sensor (3.2), a current transformer (3.3), a voltage transformer (3.4), a cable head optical fiber temperature measuring device (3.5), a temperature and humidity sensor (3.6) and a condensation dehumidification device (3.7);
the electronic SF6 barometer (3.1) is used for monitoring pressure change of the air box;
the partial discharge monitoring sensor (3.2) is used for monitoring whether partial discharge exists in a cable head and a cable chamber, so that damage or high temperature caused by long-term discharge is avoided;
the current transformer (3.3) is used for monitoring the current change of the cable;
the voltage transformer (3.4) is used for monitoring the fluctuation of the bus voltage;
the cable head optical fiber temperature measuring device (3.5) is used for monitoring the temperature change of the lap joint part of the cable and the terminal head of the high-voltage cabinet;
the temperature and humidity sensor (3.6) is used for monitoring the temperature and humidity of the operation environment of the high-voltage cabinet;
the condensation dehumidification equipment (3.7) is used for removing water vapor and condensation in the cable chamber.
5. The intelligent on-line monitoring system of the high-voltage cabinet, according to claim 2, characterized in that the video auxiliary monitoring system (5) comprises at least one of a micro infrared camera (5.1), a supplementary lighting network camera (5.2) and a dome camera (5.3);
the miniature infrared camera (5.1) is used for monitoring whether foreign matters invade the cable chamber to damage the power cable;
the supplementary lighting network camera (5.2) is used for monitoring the working state of elements in the closed air box;
the spherical camera (5.3) is used for monitoring the panel state of the power distribution cabinet and the surrounding environment of the power distribution cabinet.
6. The on-line monitoring system of the intelligent high-voltage cabinet according to claim 4, wherein the electronic SF6 barometer (3.1), the partial discharge monitoring sensor (3.2), the current transformer (3.3), the voltage transformer (3.4), the cable head optical fiber temperature measuring device (3.5), the temperature and humidity sensor (3.6) and the condensation dehumidification equipment (3.7) are respectively connected with the data processing module (1.2).
7. The on-line monitoring system of the intelligent high-voltage cabinet according to claim 5, wherein the miniature infrared camera (5.1), the supplementary lighting network camera (5.2) and the spherical camera (5.3) are respectively connected with the video storage device (1.3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221905415.XU CN218216802U (en) | 2022-07-23 | 2022-07-23 | Intelligent high-voltage board on-line monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221905415.XU CN218216802U (en) | 2022-07-23 | 2022-07-23 | Intelligent high-voltage board on-line monitoring system |
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| CN218216802U true CN218216802U (en) | 2023-01-03 |
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| CN202221905415.XU Active CN218216802U (en) | 2022-07-23 | 2022-07-23 | Intelligent high-voltage board on-line monitoring system |
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Address after: No. 01, Huiqi Intelligent Power Industrial Park, East Section of Qinsheng Avenue, Qindu District, Xianyang City, Shaanxi Province, 712031 Patentee after: SHAANXI HUI QI ELECTRIC TECHNOLOGY DEVELOPMENT Co.,Ltd. Country or region after: China Address before: 710048 room 10902, building 4, Ivy garden, Xingqing Road, Beilin District, Xi'an City, Shaanxi Province Patentee before: SHAANXI HUI QI ELECTRIC TECHNOLOGY DEVELOPMENT Co.,Ltd. Country or region before: China |