CN215497957U - Intelligent environment-friendly insulated switch cabinet - Google Patents
Intelligent environment-friendly insulated switch cabinet Download PDFInfo
- Publication number
- CN215497957U CN215497957U CN202120362641.7U CN202120362641U CN215497957U CN 215497957 U CN215497957 U CN 215497957U CN 202120362641 U CN202120362641 U CN 202120362641U CN 215497957 U CN215497957 U CN 215497957U
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- Prior art keywords
- cable
- permanent magnet
- temperature measuring
- circuit breaker
- switching
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- 230000007246 mechanism Effects 0.000 claims description 49
- 238000002955 isolation Methods 0.000 claims description 25
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 239000007789 gas Substances 0.000 claims description 16
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 230000005389 magnetism Effects 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 5
- 238000004880 explosion Methods 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 229910001873 dinitrogen Inorganic materials 0.000 claims 1
- 230000000452 restraining effect Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 7
- 238000000926 separation method Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 238000009529 body temperature measurement Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 206010063385 Intellectualisation Diseases 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
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Abstract
The utility model discloses an intelligent environment-friendly insulated switch cabinet which comprises a cabinet body, wherein a permanent magnet switch device, a cable head assembly, a temperature measuring device and a main control unit are arranged in the cabinet body, and the permanent magnet switch device is used for switching on and switching off the cabinet body; the permanent magnet switching device is connected with the cable head assembly, the temperature measuring device is arranged on the cable head assembly, and the main control unit is respectively connected with the temperature measuring device and the permanent magnet switching device and used for receiving temperature measuring data of the temperature measuring device so as to control switching-on and switching-off of the permanent magnet switching device. If the temperature abnormity occurs, the fault is timely eliminated, and the serious consequences are avoided.
Description
Technical Field
The utility model relates to the technical field of electric power distribution equipment, in particular to an intelligent environment-friendly insulated switch cabinet.
Background
The environment-friendly gas insulated switchgear on the market mainly still uses a spring mechanism as a main switch mechanism, the field construction of cable connectors is harsh due to conditions, the construction process is complex, improper stress control and lug crimping quality problems are easily caused in the construction process, heating is easily caused during operation, insulation aging is accelerated, breakdown short circuit is caused, switch cabinet accidents are caused, therefore, cable heads are required to be heated for early warning, and accidents caused by heating of the cable heads of the switch cabinet are avoided.
However, the existing optical fiber temperature measurement belongs to wired connection and has high cost, the Radio Frequency Identification (RFID) temperature measurement is greatly influenced by the field environment, the installation process is complicated, and the cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an intelligent environment-friendly insulated switch cabinet capable of wirelessly measuring temperature on line.
The utility model discloses an intelligent environment-friendly insulated switch cabinet which comprises a cabinet body, wherein a permanent magnet switch device, a cable head assembly, a temperature measuring device and a main control unit are arranged in the cabinet body, and the permanent magnet switch device is used for switching on and switching off the cabinet body; the permanent magnet switching device is connected with the cable head assembly, the temperature measuring device is arranged on the cable head assembly, and the main control unit is respectively connected with the temperature measuring device and the permanent magnet switching device and used for receiving temperature measuring data of the temperature measuring device so as to control switching-on and switching-off of the permanent magnet switching device.
Optionally, the permanent magnet switching device includes three single-phase permanent magnet mechanisms, a circuit breaker and an isolation grounding switch; every looks explosion chamber of circuit breaker all disposes one three single-phase permanent magnetism mechanisms alone, every three single-phase permanent magnetism mechanisms's transfer line with connect between every looks explosion chamber of circuit breaker, isolation earthing switch with the circuit breaker is connected, the cable head subassembly with isolation earthing switch connects, the main control unit with three single-phase permanent magnetism mechanisms connect.
Optionally, the cable head assembly comprises a power cable and a cable connection copper wire lug, the temperature measuring device is connected with the cable connection copper wire lug, and the power cable is connected with the cable connection copper wire lug.
Optionally, the cable head assembly further includes a cable accessory, the cable accessory is connected with the power cable, and the temperature measuring device and the cable connection copper lug are sealed in the cable accessory.
Optionally, the permanent magnet switch device further comprises a circuit breaker manual separation mechanism and a disconnecting switch mechanism, wherein the circuit breaker manual separation mechanism is connected with the circuit breaker, and the disconnecting switch mechanism is connected with the isolating and grounding switch.
Optionally, the cabinet body includes gas tank, cable chamber and secondary control case, permanent magnetism switching device sets up in the gas tank, the cable head subassembly sets up in the cable chamber, intelligent control monitor terminal sets up in the secondary control case.
Optionally, the gas box is filled with an environmental protection gas such as nitrogen or dry air.
Optionally, the disconnecting switch mechanism and the circuit breaker manual separation mechanism are both arranged outside the gas tank.
Optionally, the gas tank and the temperature measuring device are both provided with a wire outlet sleeve for connecting and constraining the wiring.
Optionally, the circuit breaker adopts a vacuum arc-extinguishing chamber or a vacuum switching tube.
The utility model adopts a miniaturized permanent magnet switch device to improve the operation reliability of a power grid, and meanwhile, the temperature measuring device is matched with the temperature measuring device and the main control unit, the temperature measuring device is arranged on the cable head component, the temperature of the detected cable head component is timely fed back to the main control unit for controlling the opening and closing of the permanent magnet switch device, if the temperature abnormal phenomenon occurs, the fault is timely eliminated, the serious consequences are avoided, the on-site fault isolation and the over-temperature alarm are realized, the over-temperature accident caused by the unreliable cable installation is eliminated, the occurence of the recessive accident can be avoided, the reliability of a power supply system is greatly improved, the switch cabinet intellectualization is realized, and the main control unit can transmit the data to a control room of a power supply office or related maintenance personnel while receiving the temperature data collected by the temperature measuring device.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. It is obvious that the drawings in the following description are only some embodiments of the utility model, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
fig. 1 is a schematic diagram of an intelligent environment-friendly insulated switchgear according to an embodiment of the present invention;
fig. 2 is a schematic view of a sectional structure of a switchgear of an embodiment of the present invention;
fig. 3 is a schematic view of a cable head assembly of an embodiment of the present invention.
100, a permanent magnet switch device; 200. a cable head assembly; 300. a temperature measuring device; 400. a main control unit; 500. a cabinet body; 110. three single-phase permanent magnetic mechanisms; 120. a circuit breaker; 130. an isolation grounding switch; 210. a power cable; 220. the cable is connected with the copper wire lug; 230. a cable accessory; 140. a circuit breaker manual separation mechanism; 150. an isolation switch mechanism; 510. a gas tank; 520. a cable chamber; 530. and a secondary control box.
Detailed Description
It is to be understood that the terminology, the specific structural and functional details disclosed herein are for the purpose of describing particular embodiments only, and are representative, but that the present invention may be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.
The utility model will be further elucidated with reference to the drawings and alternative embodiments.
As shown in fig. 1 to fig. 3, the embodiment of the utility model discloses an intelligent environment-friendly insulated switchgear, which includes a cabinet 500, wherein a permanent magnet switching device 100, a cable head assembly 200, a temperature measuring device 300 and a main control unit 400 are arranged in the cabinet 500, and are used for switching on and off the cabinet 500; the permanent magnet switch device 100 is connected with the cable head assembly 200, the temperature measuring device 300 is arranged on the cable head assembly 200, and the main control unit 400 is respectively connected with the temperature measuring device 300 and the permanent magnet switch device 100 and is used for receiving temperature measuring data of the temperature measuring device 300 so as to control the switching-on and switching-off of the permanent magnet switch device 100.
The miniature permanent magnet switch device 100 is adopted, the operation reliability of a power grid is improved, meanwhile, the temperature measuring device 300 and the main control unit 400 are matched, the temperature measuring device 300 is arranged on the cable head assembly 200, the temperature of the detected cable head assembly 200 is timely fed back to the main control unit 400 to be used for controlling the opening and closing of the permanent magnet switch device 100, if the temperature abnormity occurs, the fault is timely eliminated, the serious consequences are avoided, the on-site fault isolation and the over-temperature alarm are realized, the over-temperature accident caused by the unreliable cable installation is eliminated, the occurence of the recessive accident can be avoided, the reliability of a power supply system is greatly improved, the switch cabinet intellectualization is realized, and the main control unit 400 can transmit data to a control room of a power supply office or related maintenance personnel while receiving the temperature data collected by the temperature measuring device 300.
Specifically, as shown in fig. 2, the permanent magnet switching device 100 includes three single-phase permanent magnet mechanisms 110, a circuit breaker 120 and an isolation grounding switch 130; each phase arc extinguishing chamber of the circuit breaker 120 is separately provided with one three single-phase permanent magnet mechanism 110, a transmission rod of each three single-phase permanent magnet mechanism 110 is connected with each phase arc extinguishing chamber of the circuit breaker 120, the isolation grounding switch 130 is connected with the circuit breaker 120, the cable head assembly 200 is connected with the isolation grounding switch 130, and the main control unit 400 is connected with the three single-phase permanent magnet mechanisms 110; and a miniaturized permanent magnet operating mechanism is adopted, so that the operation reliability of the power grid is improved.
In this embodiment, each phase arc extinguish chamber of the three single-phase permanent magnetic circuit breakers 120 is separately provided with a monostable permanent magnetic operating mechanism in the cabinet 500, and the transmission rod of each monostable permanent magnetic operating mechanism is vertically connected with each phase arc extinguish chamber, when the switching-on and switching-off operation is performed, the permanent magnetic driver synchronously powers on the three single-phase permanent magnetic operating mechanisms, the three monostable permanent magnetic operating mechanisms respectively drive one phase arc extinguish chamber to complete the switching-on and switching-off actions, because each monostable permanent magnetic operating mechanism is directly connected with the arc extinguish chamber in a direct-acting manner, the transmission structure is simpler, the switching-on and switching-off operating force of the monostable permanent magnetic operating mechanism directly acts on the arc extinguish chambers, the energy loss in the transmission process is low, and the transmission efficiency is high.
Moreover, the isolation and grounding switch has a grounding closing function, the isolation and grounding switch 130 is connected with the circuit breaker 120, the cable head assembly 200 is connected with the isolation and grounding switch 130, and the main control unit 400 is connected with the three single-phase permanent magnet mechanisms 110, wherein the isolation and grounding switch is a three-position isolation switch; the temperature measuring device 300 is provided with a temperature sensor, the main control unit 400 detects data received by the temperature sensor through a wireless technology, and controls the opening and closing of the three single-phase permanent magnet mechanisms 110, so that the power supply reliability can be improved, local fault isolation and over-temperature alarm are realized, and the switch cabinet intelligence is realized.
As shown in fig. 3, the cable head assembly 200 includes a power cable 210 and a cable connecting copper lug 220, the temperature measuring device 300 is connected to the cable connecting copper lug 220, and the power cable 210 is connected to the cable connecting copper lug 220. Because the cable joint field construction is harsh, the problems of improper stress control and lug crimping quality are easily caused in the construction process, heating is easily caused during the operation, insulation aging is accelerated, breakdown short circuit is caused, and a switch cabinet accident is caused, the temperature measuring device 300 is arranged to be connected with the cable connection copper wire lug 220, the temperature measuring device 300 is arranged above the cable connection copper wire lug 220, the power supply reliability can be improved, in-situ fault isolation and over-temperature alarm are achieved, and the environment-friendly insulated switch cabinet reaches a high intelligent degree.
The cable head assembly 200 further comprises a cable accessory 230, the cable accessory 230 is connected with the power cable 210, and the temperature measuring device 300 and the cable connecting copper lug 220 are sealed in the cable accessory 230; the temperature measuring device 300 and the cable connecting copper wire lug 220 are sealed by the cable accessory 230, so that damage caused by exposure is prevented, meanwhile, the sealing performance is improved, and the temperature detection is more sensitive.
The permanent magnet switch device 100 further comprises a circuit breaker manual separation mechanism 140 and a disconnecting switch mechanism 150, wherein the circuit breaker manual separation mechanism 140 is connected with the circuit breaker 120, and the disconnecting switch mechanism 150 is connected with the disconnecting grounding switch 130. The electric switching-on and switching-off device has the functions of electric switching-on and switching-off, can realize manual switching-on and electric switching-on, and is more convenient to use.
As shown in fig. 2, the cabinet 500 includes an air box 510, a cable chamber 520, and a secondary control box 530, the permanent magnet switching device 100 is disposed in the air box 510, the cable head assembly 200 is disposed in the cable chamber 520, and the intelligent control monitoring terminal is disposed in the secondary control box 530; three independent controls are formed for accommodating three different devices without mutual interference; specifically, intelligent control monitor terminal in secondary control box 530 accepts the data of temperature measuring device 300 in cable chamber 520 through wireless technology, intelligent control monitor terminal passes through wireless transmission technology, pass through the SMS with the real-time temperature data of power cable 210 line ear department, the web, APP pushes away gives the administrator, data acquisition terminal is when accepting the temperature data that temperature measurement sensor gathered, also can give the control room or the relevant maintainer of power supply bureau with data transmission, if take place the temperature anomaly phenomenon, in time troubleshooting, avoid causing serious consequence, reduce the number of times of patrolling that equipment management personnel arrived the scene, the equipment operation maintenance that significantly reduces overhauls the number of times.
Further, the air box 510 is filled with environmental protection gas such as nitrogen or dry air; the environment-friendly gas has high electrical performance, and can effectively avoid the problems of greenhouse effect and pollution caused by the conventional SF6 gas-filled cabinet.
Further, the isolation switch mechanism 150 and the manual circuit breaker separating mechanism 140 are all arranged outside the air box 510, the manual circuit breaker separating mechanism 140 is connected with the circuit breaker 120 through a permanent magnet mechanism control cable, the isolation switch mechanism 150 is connected with the isolation grounding switch 130 through an isolation grounding shaft, the air box 510 is filled with gas, the isolation switch mechanism 150 and the manual circuit breaker separating mechanism 140 is connected with the circuit breaker 120 in the air box 510, and the external manual control separating brake can be controlled.
In order to improve the safety, the gas box 510 and the temperature measuring device 300 are both provided with a wire outlet sleeve for connecting and constraining the wires, and meanwhile, the sealing performance is improved.
Meanwhile, the circuit breaker 120 adopts a vacuum arc-extinguishing chamber or a vacuum switch tube, in the embodiment, the vacuum arc-extinguishing chamber is selected, and the medium-high voltage circuit can rapidly extinguish arc and suppress current after the power supply is cut off through the excellent insulating property of vacuum in the tube, so that accidents and accidents are avoided.
Further description, it is not intended that the utility model be limited to the specific embodiments described. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.
Claims (10)
1. The utility model provides an intelligence environmental protection insulated switchgear which characterized in that includes:
the intelligent switching cabinet comprises a cabinet body, wherein a permanent magnet switching device, a cable head assembly, a temperature measuring device and a main control unit are arranged in the cabinet body and used for switching on and off the cabinet body; the permanent magnet switching device is connected with the cable head assembly, the temperature measuring device is arranged on the cable head assembly, and the main control unit is respectively connected with the temperature measuring device and the permanent magnet switching device and used for receiving temperature measuring data of the temperature measuring device so as to control switching-on and switching-off of the permanent magnet switching device.
2. The intelligent environmentally friendly insulated switchgear of claim 1, wherein the permanent magnet switchgear comprises three single phase permanent magnet mechanisms, a circuit breaker and an isolation grounding switch; every looks explosion chamber of circuit breaker all disposes one three single-phase permanent magnetism mechanisms alone, every three single-phase permanent magnetism mechanisms's transfer line with connect between every looks explosion chamber of circuit breaker, isolation earthing switch with the circuit breaker is connected, the cable head subassembly with isolation earthing switch connects, the main control unit with three single-phase permanent magnetism mechanisms connect.
3. The intelligent environment-friendly insulated switchgear according to claim 2, wherein the cable head assembly comprises a power cable and a cable connection copper lug, the temperature measuring device is connected with the cable connection copper lug, and the power cable is connected with the cable connection copper lug.
4. The intelligent environment-friendly insulated switchgear according to claim 3, wherein the cable head assembly further comprises a cable accessory, the cable accessory is connected with the power cable, and the temperature measuring device and the cable connection copper lug are sealed in the cable accessory.
5. The intelligent environment-friendly insulated switchgear cabinet according to claim 2, wherein the permanent magnet switchgear further comprises a circuit breaker manual opening mechanism and a disconnecting switch mechanism, the circuit breaker manual opening mechanism is connected with the circuit breaker, and the disconnecting switch mechanism is connected with the disconnecting grounding switch.
6. The intelligent environment-friendly insulation switch cabinet according to any one of claims 2 to 5, wherein the cabinet body comprises an air box, a cable chamber and a secondary control box, the permanent magnet switch device is arranged in the air box, the cable head assembly is arranged in the cable chamber, and an intelligent control monitoring terminal is arranged in the secondary control box.
7. The intelligent environment-friendly insulated switchgear according to claim 6, wherein the gas box is filled with nitrogen gas or dry air.
8. The intelligent environment-friendly insulated switchgear of claim 5, wherein the disconnector mechanism and the circuit breaker manual opening mechanism are both disposed outside the gas tank.
9. The intelligent environment-friendly insulated switchgear according to claim 6, wherein the gas box and the temperature measuring device are provided with wire outgoing sleeves for connecting and restraining the wires.
10. The intelligent environment-friendly insulated switchgear cabinet according to claim 2, wherein the circuit breaker is a vacuum interrupter or a vacuum interrupter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120362641.7U CN215497957U (en) | 2021-02-09 | 2021-02-09 | Intelligent environment-friendly insulated switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120362641.7U CN215497957U (en) | 2021-02-09 | 2021-02-09 | Intelligent environment-friendly insulated switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215497957U true CN215497957U (en) | 2022-01-11 |
Family
ID=79762432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120362641.7U Expired - Fee Related CN215497957U (en) | 2021-02-09 | 2021-02-09 | Intelligent environment-friendly insulated switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215497957U (en) |
-
2021
- 2021-02-09 CN CN202120362641.7U patent/CN215497957U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220111 |
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| CF01 | Termination of patent right due to non-payment of annual fee |