CN212063258U - Metal closed type vacuum ring main unit - Google Patents
Metal closed type vacuum ring main unit Download PDFInfo
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- CN212063258U CN212063258U CN202021107211.2U CN202021107211U CN212063258U CN 212063258 U CN212063258 U CN 212063258U CN 202021107211 U CN202021107211 U CN 202021107211U CN 212063258 U CN212063258 U CN 212063258U
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Abstract
The utility model relates to a metal enclosed vacuum looped netowrk cabinet, the intelligent cabinet temperature adjusting device comprises a cabinet body and a controller, the lower terminal surface of the cabinet body be provided with the base, the base lower extreme install the pulley of being convenient for to remove, the cabinet body in including generating line room, circuit breaker, cable chamber, controller and reveal the gas collection cabinet, reveal gas collection cabinet divide into upper and lower two parts, its lower extreme internally mounted has aspirator pump and gas holder, the upper portion of revealing the gas collection cabinet is provided with inert gas jar and operating device. Generally, the utility model has the advantages of simple structure and be difficult to reveal.
Description
Technical Field
The utility model belongs to the technical field of electrical apparatus, concretely relates to metal enclosed type vacuum looped netowrk cabinet.
Background
In the prior art, the solid-insulated metal enclosed ring main unit generally adopts vacuum or SF6 gas to seal and insulate the high-voltage vacuum switch, and since SF6 has toxicity after arc extinguishing and is easy to leak, the requirement on the sealing performance of the totally enclosed ring main unit adopting SF6 gas is high, and meanwhile, the maintenance cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem in the background art, and providing a metal enclosed vacuum ring main unit with simple structure and difficult leakage.
The utility model aims at a metal enclosed vacuum looped netowrk cabinet that realizes like this, including the cabinet body and controller, the lower terminal surface of the cabinet body be provided with the base, the base lower extreme install the pulley of being convenient for to remove, the cabinet body in including generating line room, circuit breaker, cable chamber, controller and leakage gas collection cabinet, leakage gas collection cabinet divide into upper and lower two parts, its lower extreme internally mounted has aspirator pump and gas holder, the upper portion that the leakage gas collected the cabinet is provided with inert gas jar and operating device.
The circuit breaker department that sets up in the cabinet body be provided with temperature and humidity sensor and SF6 concentration sensor, temperature and humidity sensor and SF6 concentration sensor with the input of controller be connected.
The controller include the singlechip, storage module, communication module and alarm module, communication module adopt one or more in GSM, GPRS or the WIFI module, alarm module include speaker and alarm lamp.
The cabinet body constitute by cabinet door, the casing of controlling curb plate, roof and rear end plate constitution, the casing from inside to outside be anticorrosive coating, waterproof layer, insulating layer, metal level, explosion-proof layer, metal level, insulating layer, waterproof layer and paint layer in proper order, explosion-proof in situ packing have epoxy.
The bus chamber is characterized in that the inert gas tank is filled with inert gas which is nitrogen, an electromagnetic valve and a pressure gauge are arranged at the top of the inert gas tank and connected with the controller, a gas pipe communicated with the internal space of the cabinet body is arranged at the electromagnetic valve, and an outlet of the gas pipe is arranged in the middle of the bus chamber.
The air storage tank through the gas-supply pipe that sets up with the aspirator pump intercommunication, air storage tank department installs the manometer, the aspirator pump with the controller connect, aspirator pump and controller department are provided with first solenoid valve and are connected with the controller.
The utility model has the advantages that: the utility model discloses a casing adopts the structure of a plurality of inoxidizing coatings, and gas tightness that can be tight still has certain explosion-proof ability simultaneously, simultaneously the utility model discloses be provided with gas holder and aspirator pump, can collect the SF6 in the cabinet body when taking place to leak, reduce the processing time, reduce cost of maintenance, total, the utility model has the advantages of simple structure and be difficult to the leakage.
Drawings
Fig. 1 is a schematic structural diagram of the metal-enclosed vacuum ring main unit of the present invention.
Fig. 2 is a side view of the metal enclosed vacuum ring main unit of the present invention.
Fig. 3 is a schematic view of the leakage gas collecting cabinet of the metal enclosed vacuum ring main unit of the present invention.
In the figure: 1. the device comprises a cabinet body 2, a base 3, a pulley 4, a breaker 5, a bus chamber 6, a cable chamber 7, a controller 8, a leaked gas collecting cabinet 9, a suction pump 10, a gas storage tank 11, an operating mechanism 12 and an inert gas tank.
Detailed Description
The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention.
Example 1
As shown in fig. 1-3, the metal enclosed vacuum ring main unit includes a main body 1 and a controller 7, a base 2 is disposed on the lower end face of the main body 1, a pulley 3 convenient to move is mounted on the lower end of the base 2, the main body 1 includes a bus chamber 5, a circuit breaker 4, a cable chamber 6, a controller 7 and a leaked gas collecting cabinet 8, the leaked gas collecting cabinet 8 is divided into an upper part and a lower part, a suction pump 9 and a gas storage tank 10 are mounted inside the lower end, and an inert gas tank 12 and an operating mechanism 11 are disposed on the upper part of the leaked gas collecting cabinet 8.
A temperature and humidity sensor and an SF6 concentration sensor are arranged at a circuit breaker 4 arranged in the cabinet body 1, and the temperature and humidity sensor and the SF6 concentration sensor are connected with the input end of a controller 7; the controller 7 comprises a single chip microcomputer, a storage module, a communication module and an alarm module, wherein the communication module adopts one or more of a GSM (global system for mobile communications), a GPRS (general packet radio service) or a WIFI (wireless fidelity) module, and the alarm module comprises a loudspeaker and an alarm lamp; the cabinet body 1 comprises cabinet door, left and right side board, roof and the casing that the rear end plate is constituteed, and the casing is anticorrosive coating, waterproof layer, insulating layer, metal level, explosion-proof layer, metal level, insulating layer, waterproof layer and paint layer from inside to outside in proper order, and the explosion-proof in situ packing has epoxy.
The inert gas tank 12 is filled with inert gas which is nitrogen, the top of the inert gas tank 12 is provided with an electromagnetic valve and a pressure gauge, the electromagnetic valve and the pressure gauge are connected with a controller, the electromagnetic valve is provided with a gas pipe communicated with the inner space of the cabinet body 1, and an outlet of the gas pipe is arranged in the middle of the bus chamber 5; the air storage tank 10 is communicated with the air suction pump 9 through an air conveying pipe, a pressure gauge is installed at the position of the air storage tank 10, the air suction pump 9 is connected with the controller 7, and a first electromagnetic valve is arranged at the positions of the air suction pump 9 and the controller 7 and connected with the controller 7.
The during operation is provided with base 2 at the lower terminal surface of the cabinet body 1, and the pulley 3 of being convenient for to remove is installed to 2 lower extremes of base, and including generating line room 5, circuit breaker 4, cable chamber 6, controller 7 and leakage gas collection cabinet 8 in the cabinet body 1, leakage gas collection cabinet 8 divide into two parts from top to bottom, and its lower extreme internally mounted has aspirator pump 9 and gas holder 10, and the upper portion of leakage gas collection cabinet 8 is provided with inert gas jar 12 and operating device 11. The air suction pump 9 can press air at the middle lower part of the cabinet body 1 into the air storage tank 10, so that the concentration of SF6 in the cabinet body 1 can be effectively reduced, and the equipment maintenance time is shortened;
a temperature and humidity sensor and an SF6 concentration sensor are arranged at a circuit breaker 4 arranged in the cabinet body 1, and the temperature and humidity sensor and the SF6 concentration sensor are connected with the input end of a controller 7; the controller 7 comprises a single chip microcomputer, a storage module, a communication module and an alarm module, wherein the communication module adopts one or more of a GSM (global system for mobile communications), a GPRS (general packet radio service) or a WIFI (wireless fidelity) module, and the alarm module comprises a loudspeaker and an alarm lamp; the cabinet body 1 is composed of a cabinet door, a left side plate, a right side plate, a top plate and a shell composed of a rear end plate, the shell is sequentially provided with an anticorrosive layer, a waterproof layer, a heat insulation layer, a metal layer, an explosion-proof layer, a metal layer, a heat insulation layer, a waterproof layer and a paint layer from inside to outside, epoxy resin is filled in the explosion-proof layer, the shell of the cabinet body 1 is of a multilayer structure, the air tightness is good, gas can be effectively prevented from volatilizing to the outside of the cabinet body 1, meanwhile, an SF6 concentration sensor is also installed at the lower part of the cabinet body;
the inert gas tank 12 is filled with inert gas which is nitrogen, the top of the inert gas tank 12 is provided with an electromagnetic valve and a pressure gauge, the electromagnetic valve and the pressure gauge are connected with a controller, the electromagnetic valve is provided with a gas pipe communicated with the inner space of the cabinet body 1, and an outlet of the gas pipe is arranged in the middle of the bus chamber 5; the air storage tank 10 is communicated with the air suction pump 9 through an air pipe, a pressure gauge is arranged at the position of the air storage tank 10, the air suction pump 9 is connected with the controller 7, a first electromagnetic valve is arranged at the positions of the air suction pump 9 and the controller 7 and is connected with the controller 7,
the data in the cabinet body 1 are collected by various sensors in the cabinet body 1 and are transmitted to the controller 7, whether the data in the cabinet body 1 leak or not is judged by the controller 7 according to comparison of the data and set data, when the data leak occurs, the controller 7 transmits information to the control center through the communication module, the air suction pump 9 and the first electromagnetic valve are opened, the inert gas tank 12 and the electromagnetic valve are opened, nitrogen in the inert gas tank 12 enters the upper portion of the cabinet body 1 through the air conveying pipe, the upper portion is filled firstly due to low density of the nitrogen and then gradually filled downwards, SF6 flows to the lower portion of the cabinet body 1 under the action of the nitrogen in comparison with air, the leaked gas is pressed into the air storage tank 10 under the action of the air suction pump 9, and the concentration of the leaked SF6 in the cabinet body 1 is rapidly reduced.
The above is only the preferred embodiment of the present invention, not for limiting the present invention, any modification, equivalent replacement, etc. within the protection scope of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a metal enclosed type vacuum looped netowrk cabinet, includes cabinet body (1) and controller (7), its characterized in that: the lower terminal surface of the cabinet body (1) be provided with base (2), base (2) lower extreme install pulley (3) convenient to remove, the cabinet body (1) in including generating line room (5), circuit breaker (4), cable chamber (6), controller (7) and leakage gas collection cabinet (8), leakage gas collection cabinet (8) divide into upper and lower two parts, its lower extreme internally mounted has aspirator pump (9) and gas holder (10), the upper portion that leakage gas collected cabinet (8) is provided with inert gas jar (12) and operating device (11).
2. The vacuum ring main unit as claimed in claim 1, wherein: the circuit breaker (4) department that sets up in the cabinet body (1) be provided with temperature and humidity sensor and SF6 concentration sensor, temperature and humidity sensor and SF6 concentration sensor with the input of controller (7) be connected.
3. The vacuum ring main unit as claimed in claim 1, wherein: the controller (7) comprises a single chip microcomputer, a storage module, a communication module and an alarm module, wherein the communication module adopts one or more of a GSM (global system for mobile communications), a GPRS (general packet radio service) or a WIFI (wireless fidelity) module, and the alarm module comprises a loudspeaker and an alarm lamp.
4. The vacuum ring main unit as claimed in claim 1, wherein: the cabinet body (1) comprises cabinet door, the casing that left and right sides curb plate, roof and rear end plate are constituteed, the casing from inside to outside be anticorrosive coating, waterproof layer, insulating layer, metal level, explosion-proof layer, metal level, insulating layer, waterproof layer and paint layer in proper order, explosion-proof in situ fill have epoxy.
5. The vacuum ring main unit as claimed in claim 1, wherein: the intelligent bus cabinet is characterized in that the inert gas tank (12) is filled with inert gas, the inert gas is nitrogen, an electromagnetic valve and a pressure gauge are arranged at the top of the inert gas tank (12), the electromagnetic valve and the pressure gauge are connected with the controller, a gas pipe communicated with the inner space of the cabinet body (1) is arranged at the electromagnetic valve, and an outlet of the gas pipe is arranged in the middle of the bus chamber (5).
6. The vacuum ring main unit as claimed in claim 1, wherein: gas holder (10) through the gas-supply pipe that sets up with aspirator pump (9) intercommunication, gas holder (10) department installs the manometer, aspirator pump (9) with controller (7) connect, aspirator pump (9) and controller (7) department are provided with first solenoid valve and are connected with controller (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021107211.2U CN212063258U (en) | 2020-06-15 | 2020-06-15 | Metal closed type vacuum ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021107211.2U CN212063258U (en) | 2020-06-15 | 2020-06-15 | Metal closed type vacuum ring main unit |
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| Publication Number | Publication Date |
|---|---|
| CN212063258U true CN212063258U (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021107211.2U Active CN212063258U (en) | 2020-06-15 | 2020-06-15 | Metal closed type vacuum ring main unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113437652A (en) * | 2021-08-04 | 2021-09-24 | 南通星宇电气有限公司 | SF6 looped netowrk cabinet for intelligent management based on high leakproofness |
-
2020
- 2020-06-15 CN CN202021107211.2U patent/CN212063258U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113437652A (en) * | 2021-08-04 | 2021-09-24 | 南通星宇电气有限公司 | SF6 looped netowrk cabinet for intelligent management based on high leakproofness |
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