CN210443924U - Environment-friendly gas chamber structure of gas insulated switchgear - Google Patents
Environment-friendly gas chamber structure of gas insulated switchgear Download PDFInfo
- Publication number
- CN210443924U CN210443924U CN201921442961.2U CN201921442961U CN210443924U CN 210443924 U CN210443924 U CN 210443924U CN 201921442961 U CN201921442961 U CN 201921442961U CN 210443924 U CN210443924 U CN 210443924U
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- Prior art keywords
- air chamber
- cabinet body
- vacuum pump
- chamber
- air
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 88
- 239000007789 gas Substances 0.000 claims abstract description 26
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 38
- 238000007789 sealing Methods 0.000 claims description 30
- 238000005192 partition Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 3
- 229910018503 SF6 Inorganic materials 0.000 description 4
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 4
- 229960000909 sulfur hexafluoride Drugs 0.000 description 4
- 238000010891 electric arc Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an environment-friendly gas insulated switchgear air chamber structure, including the cabinet body and install the cabinet door in the front of the cabinet body, it rotates to connect on the side of the cabinet body through the hinge, the cabinet body is a cuboid structure, it is equipped with the notch to open in the middle of it, this notch is divided into two cavity parts by the baffle, its upper portion cavity is the air chamber, its lower part cavity is the nitrogen gas storage chamber, a circular through hole has been seted up on the left side of its plate body, the nitrogen gas storage chamber links to each other through this circular through hole with the air chamber, and install the pneumatic valve in this through hole, one end of pneumatic valve communicates with each other with the air chamber, its other end communicates with the nitrogen gas storage chamber, install a vacuum pump and No. two vacuum pumps in the; through setting up the primary vacuum pump, when needs open the air chamber, earlier carry nitrogen gas in the air chamber to store in the nitrogen gas stores the room, when closing the device, utilize in carrying the air chamber with nitrogen gas again to the waste of resource has been avoided.
Description
Technical Field
The utility model relates to a relevant technical field of gas insulated switchgear specifically is an environment-friendly gas insulated switchgear air chamber structure.
Background
Along with the rapid development of social economy and technology, the engineering construction is continuously strong, the power equipment as the infrastructure is also continuously developed, the high-voltage band point conductor can generate electric arc in the moment of switching on or off, the electric arc can cause circuit short circuit, sulfur hexafluoride and nitrogen have good insulativity and arc extinguishing capability, under the common condition, the switch cabinet all uses the gas insulated switch cabinet of sulfur hexafluoride, but the sulfur hexafluoride is filled in the gas tank, the aging of the gas tank can cause the sulfur hexafluoride to leak and enter the air, the air is polluted, and the filled gas therein can not be recycled, thereby the waste of resources is caused, therefore, the utility model provides an environment-friendly gas insulated switch cabinet air chamber structure for solving the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an environment-friendly gas insulated switchgear air chamber structure to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an environment-friendly gas insulated switchgear air chamber structure, includes the cabinet body and installs the cabinet door in cabinet body the place ahead, the cabinet door is a flat board, and it rotates to be connected on the side of the cabinet body through the hinge, and the outside fixed mounting of its door body has the cabinet door handle, the cabinet body is a cuboid structure, and it is equipped with the notch to open in the middle of it, and this notch is divided into two cavity parts by the baffle, and its upper portion cavity is the air chamber, and its lower part cavity is nitrogen gas storage chamber, the baffle is a flat board, and a circular through-hole has been seted up in the left side of its plate body, nitrogen gas storage chamber and air chamber pass through this circular through-hole and link to each other, and install the pneumatic valve in this through-hole, the one end of pneumatic valve communicates with the air chamber, and its other end communicates with nitrogen gas, the exhaust port of the second vacuum pump is connected with the outside, a vacuum pump switch and an air valve switch are fixedly mounted on the outer wall of the cabinet body, and the vacuum pump switch is electrically connected with the first vacuum pump and the second vacuum pump.
Preferably, the front of the nitrogen storage chamber is closed, and a nitrogen inflation inlet is arranged at the front of the nitrogen storage chamber.
Preferably, the cabinet body is provided with a barometer, and an air pressure sensing head of the barometer is arranged in the cavity of the air chamber.
Preferably, the rubberizing of the preceding lateral wall of air chamber is connected with rubber seal, rubber seal's front side is opened and is equipped with the sealing washer notch, the inboard of cabinet door is equipped with cabinet door sealing washer, cabinet door sealing washer's size is the same with the size of sealing washer notch, and the degree of depth of sealing washer notch is unanimous with cabinet door sealing washer's thickness.
Compared with the prior art, the beneficial effects of the utility model are that:
1. by arranging the primary vacuum pump, when the air chamber in the device needs to be opened, nitrogen in the air chamber can be firstly conveyed to the nitrogen storage chamber for storage through the primary vacuum pump, and when the device is closed, the nitrogen in the nitrogen storage chamber is conveyed to the air chamber for utilization, so that the waste of resources is avoided;
2. and through installing the barometer on the cabinet body, through the inside pressure condition of real-time accurate grasp air chamber of barometer to avoided because the gas in the air chamber reveals and lead to its inside nitrogen content to descend.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is an enlarged view of the structure at B in FIG. 1;
fig. 5 is a rear side view of the present invention.
In the figure: the cabinet comprises a cabinet body 1, a vacuum pump switch 11, an air valve switch 12, a barometer 13, an air pressure induction head 131, a rubber sealing ring 14, a sealing ring notch 141, a cabinet door 2, a door handle 21, a cabinet door sealing ring 22, a hinge 3, a partition plate 4, an air chamber 5, a first vacuum pump 51, a second vacuum pump 52, an air valve 53, a nitrogen storage chamber 6 and a nitrogen inflation inlet 61.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: an environment-friendly gas insulated switchgear air chamber structure comprises a cabinet body 1 and a cabinet door 2 arranged in front of the cabinet body 1, wherein the cabinet door 2 is a flat plate and is rotatably connected to the side edge of the cabinet body 1 through a hinge 3, a cabinet door handle 21 is fixedly arranged on the outer side of the door body, the cabinet body 1 is of a cuboid structure, a notch is formed in the middle of the cabinet body, the notch is divided into two cavity parts by a partition plate 4, the upper part of the notch is an air chamber 5, the lower part of the notch is a nitrogen storage chamber 6, the partition plate 4 is a flat plate, a circular through hole is formed in the left side of the plate body, the nitrogen storage chamber 6 is connected with the air chamber 5 through the circular through hole, an air valve 53 is arranged in the through hole, one end of the air valve 53 is communicated with the air chamber 5, the other end of the air valve is communicated with the nitrogen storage chamber 6, a first vacuum, the exhaust port of the second vacuum pump 52 is connected with the outside, the vacuum pump switch 11 and the air valve switch 12 are fixedly installed on the outer wall of the cabinet body 1, and the vacuum pump switch 11 is electrically connected with the first vacuum pump 51 and the second vacuum pump 52.
Furthermore, the front of the nitrogen storage chamber 6 is closed, the nitrogen inflation port 61 is arranged in front of the nitrogen storage chamber 6, the nitrogen storage chamber 6 can temporarily store nitrogen, so that the part of nitrogen can be recycled, the environmental protection performance of the device is greatly improved, and the nitrogen inflation port 61 is arranged so that a worker can conveniently inflate the nitrogen into the nitrogen storage chamber 6 when the concentration of the nitrogen in the nitrogen storage chamber 6 is insufficient;
furthermore, the cabinet body 1 is provided with the barometer 13, the air pressure sensing head 131 of the barometer 13 is arranged in the cavity of the air chamber 5, and by arranging the barometer 13, a worker can accurately know the air pressure condition in the air chamber, so that the progress of the air exhaust in the air chamber is known;
furthermore, a rubber sealing ring 14 is connected to the front side wall of the air chamber 5 through gluing, a sealing ring notch 141 is formed in the front side of the rubber sealing ring 14, a cabinet door sealing ring 22 is arranged on the inner side of the cabinet door 2, the size of the cabinet door sealing ring 22 is the same as that of the sealing ring notch 141, the depth of the sealing ring notch 141 is consistent with the thickness of the cabinet door sealing ring 22, the rubber sealing ring 14 is arranged on the cabinet body 1, the sealing ring notch 141 is formed in the rubber sealing ring 14, the cabinet door sealing ring 22 is arranged on the cabinet door 2, and the cabinet door sealing ring 22 is embedded into the sealing ring notch, so that the sealing effect in the air chamber is greatly;
the working principle is as follows: in actual use, a worker fills nitrogen into the nitrogen storage chamber 6 through the nitrogen filling port 61, then, the second vacuum pump 52 is started by the vacuum pump switch 11, the air in the air chamber 5 is discharged, then the air valve 53 is opened, the nitrogen in the nitrogen storage chamber 6 is filled into the air chamber 5, when the electric elements in the air chamber 5 need to be overhauled, the staff firstly closes the air valve 53, then, the vacuum pump 51 is started to discharge the nitrogen gas in the gas chamber into the nitrogen gas storage chamber 6, by observing the value on the barometer, the vacuum pump 51 is turned off when the discharge is finished, then the cabinet door is opened to overhaul the electric elements in the air chamber 5, after the overhaul is finished, the cabinet door is closed, the second vacuum pump 52 is opened to exhaust the air in the air chamber, and then opening the gas valve switch 12 to allow the nitrogen in the nitrogen storage chamber 6 to be filled into the gas chamber.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an environment-friendly gas insulated switchgear air chamber structure, includes the cabinet body (1) and installs cabinet door (2) in cabinet body (1) the place ahead, its characterized in that: the cabinet door (2) is a flat plate and is rotatably connected to the side edge of the cabinet body (1) through a hinge (3), a cabinet door handle (21) is fixedly mounted on the outer side of the door body, the cabinet body (1) is of a cuboid structure, a notch is formed in the middle of the structure and is divided into two cavity parts by a partition plate (4), the upper cavity part of the cabinet body is an air chamber (5), the lower cavity part of the cabinet body is a nitrogen storage chamber (6), the partition plate (4) is a flat plate, a circular through hole is formed in the left side of the plate body of the cabinet body, the nitrogen storage chamber (6) is connected with the air chamber (5) through the circular through hole, an air valve (53) is mounted in the through hole, one end of the air valve (53) is communicated with the air chamber (5), the other end of the air valve is communicated with the nitrogen storage chamber (6), and a first vacuum pump (51, a gas vent intercommunication nitrogen gas of vacuum pump stores in room (6), the gas vent of No. two vacuum pumps (52) links to each other with the external world, fixed mounting has vacuum pump switch (11) and pneumatic valve switch (12) on the outer wall of the cabinet body (1), vacuum pump switch (11) and vacuum pump (51) and No. two vacuum pump (52) electricity are connected.
2. The gas chamber structure of the environment-friendly gas insulated switchgear according to claim 1, wherein: the front of the nitrogen storage chamber (6) is closed, and a nitrogen inflation inlet (61) is arranged in front of the nitrogen storage chamber.
3. The gas chamber structure of the environment-friendly gas insulated switchgear according to claim 1, wherein: the cabinet body (1) is provided with a barometer (13), and an air pressure sensing head (131) of the barometer (13) is arranged in a cavity of the air chamber (5).
4. The gas chamber structure of the environment-friendly gas insulated switchgear according to claim 1, wherein: the rubberizing of the preceding lateral wall of air chamber (5) is connected with rubber seal (14), rubber seal (14) the front side is opened and is equipped with sealing washer notch (141), the inboard of cabinet door (2) is equipped with cabinet door sealing washer (22), the size of cabinet door sealing washer (22) is the same with the size of sealing washer notch (141), and the degree of depth of sealing washer notch (141) is unanimous with the thickness of cabinet door sealing washer (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921442961.2U CN210443924U (en) | 2019-09-02 | 2019-09-02 | Environment-friendly gas chamber structure of gas insulated switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921442961.2U CN210443924U (en) | 2019-09-02 | 2019-09-02 | Environment-friendly gas chamber structure of gas insulated switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210443924U true CN210443924U (en) | 2020-05-01 |
Family
ID=70409990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921442961.2U Expired - Fee Related CN210443924U (en) | 2019-09-02 | 2019-09-02 | Environment-friendly gas chamber structure of gas insulated switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210443924U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111969472A (en) * | 2020-08-24 | 2020-11-20 | 湖北省电力装备有限公司 | Novel normal-pressure environment-friendly sealed insulating ring main unit |
| CN112290504A (en) * | 2020-09-25 | 2021-01-29 | 孙永林 | Sealing structure of buried cable branch box |
| CN112467598A (en) * | 2020-11-27 | 2021-03-09 | 中铁二院工程集团有限责任公司 | Environment-friendly gas full-sealed full-insulated switchgear |
-
2019
- 2019-09-02 CN CN201921442961.2U patent/CN210443924U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111969472A (en) * | 2020-08-24 | 2020-11-20 | 湖北省电力装备有限公司 | Novel normal-pressure environment-friendly sealed insulating ring main unit |
| CN112290504A (en) * | 2020-09-25 | 2021-01-29 | 孙永林 | Sealing structure of buried cable branch box |
| CN112467598A (en) * | 2020-11-27 | 2021-03-09 | 中铁二院工程集团有限责任公司 | Environment-friendly gas full-sealed full-insulated switchgear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200508 Address after: 150000 No.18, Huasi street, Chemical Road, Xiangfang District, Harbin City, Heilongjiang Province Patentee after: Heilongjiang Huakong electric complete equipment Co.,Ltd. Address before: 330224 No. 68 Fish Farm, Jiangxiang Town, Nanchang County, Nanchang City, Jiangxi Province Patentee before: Xu Niuzhong |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200501 |