CN209658736U - A kind of supplementary type is used for the outer housing of gas-insulated metal enclosed switchgear - Google Patents
A kind of supplementary type is used for the outer housing of gas-insulated metal enclosed switchgear Download PDFInfo
- Publication number
- CN209658736U CN209658736U CN201920501764.7U CN201920501764U CN209658736U CN 209658736 U CN209658736 U CN 209658736U CN 201920501764 U CN201920501764 U CN 201920501764U CN 209658736 U CN209658736 U CN 209658736U
- Authority
- CN
- China
- Prior art keywords
- outer housing
- gas
- check valve
- insulated metal
- pressure installation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002184 metal Substances 0.000 title claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 239000007789 gas Substances 0.000 claims abstract description 25
- 238000000605 extraction Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 239000011261 inert gas Substances 0.000 claims abstract description 5
- 239000013589 supplement Substances 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 2
- 206010015535 Euphoric mood Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Gas-Insulated Switchgears (AREA)
Abstract
The utility model relates to gas-insulated metal enclosed switchgear technical fields, especially a kind of supplementary type is used for the outer housing of gas-insulated metal enclosed switchgear, including extraction sector, check valve, high-pressure installation and sealing mechanism, the inside on outer housing and being connected to outer housing is arranged in the extraction sector, the check valve is arranged on outer housing, and the inside of the output end connection outer housing of check valve, the high-pressure installation is arranged on outer housing, and the input terminal of the gas transmission end connection check valve of high-pressure installation, the sealing mechanism is arranged between high-pressure installation and check valve, the utility model is able to carry out timely inert gas supplement, equipment is avoided equipment damage caused by gas leakage occur.
Description
Technical field
The utility model relates to gas-insulated metal enclosed switchgear technical field, specific field is that a kind of supplementary type is used for gas
The outer housing of body insulation metal closed switch.
Background technique
Gas-insulated metal enclosed switchgear is multiple component unit equipment, in use, because between components
Air-tightness is connected, so that will appear gas leakage situation, equipment is caused to lack air-tightness insulation and the entrance of external contamination gas
Switching devices cause the case where damage in switch case.
Utility model content
A kind of outer housing the purpose of this utility model is to provide supplementary type for gas-insulated metal enclosed switchgear, with
There is the problem of leakage of enclosed switch gas can not be supplemented, effectively be safeguarded in the prior art in solution.
To achieve the above object, the utility model provides the following technical solutions: a kind of supplementary type is used for gas-insulated metal
The outer housing of enclosed switch, including extraction sector, check valve, high-pressure installation and sealing mechanism, the extraction sector setting is outside
On shell and it is connected to the inside of outer housing, the check valve is arranged on outer housing, and the output end of check valve is connected to outer housing
Inside, the high-pressure installation is arranged on outer housing, and the input terminal of the gas transmission end connection check valve of high-pressure installation, described close
Sealing mechanism is arranged between high-pressure installation and check valve.
Preferably, the high-pressure installation is small-sized inert gas high pressure reserves tank.
Preferably, the extraction sector includes air exhauster and sealing valve, and the sealing valve is arranged on outer housing and is connected to
Inside outer housing, the air exhauster is detachably connected with sealing valve.
Preferably, the check valve is high-accuracy high-pressure gas seal check valve.
Preferably, the sealing mechanism includes connecting tube and high pressure connection, and the both ends of connecting tube are respectively provided with high pressure connection, and two
The gas transmission end of input terminal and high-pressure installation that a high pressure connection respectively corresponds check valve is tightly connected.
Preferably, clamping frame is provided on the outer housing, the high-pressure installation is detachably connected in clamping frame.
Compared with prior art, the utility model has the beneficial effects that by the setting of extraction sector, it can be to outer housing
It is inside sucked by vacuum, and repeatedly pumping operation can be carried out in later maintenance, avoid the excessively high feelings of later maintenance cost
Condition can avoid outer housing from leaking because of gas by the setting of check valve and high-pressure installation to gas input is carried out in outer housing
Caused by internal gas failure of insulation the case where, by the setting of sealing mechanism, facilitate the replacement operation for gas tank.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model
In figure: 1, outer housing；2, air exhauster；3, sealing valve；4, check valve；5, high-pressure installation；6, connecting tube；7, high-voltage connecting
Head；8, clamping frame.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the utility model provides a kind of technical solution: a kind of supplementary type is opened for gas-insulated metal-enclosed
The outer housing of pass, including extraction sector, check valve 4, high-pressure installation 5 and sealing mechanism, the extraction sector are arranged in outer housing 1
The inside of outer housing 1 is gone up and is connected to, the check valve 4 is arranged on outer housing 1, and the output end of check valve 4 is connected to outer housing 1
Inside, the high-pressure installation 5 is arranged on outer housing 1, and the input terminal of the gas transmission end connection check valve 4 of high-pressure installation 5, institute
Sealing mechanism is stated to be arranged between high-pressure installation 5 and check valve 4.
The high-pressure installation 5 is small-sized inert gas high pressure reserves tank.
The extraction sector includes air exhauster 2 and sealing valve 3, and the sealing valve 3 is arranged on outer housing 1 and connection shell
Inside body 1, the air exhauster 2 is detachably connected with sealing valve 3, after equipment is all installed, by air exhauster 2 to shell
It is sucked by vacuum in body 1, is removed air exhauster 2 from sealing valve 3 behind perfect vacuum, and high-air-tightness is carried out to sealing valve 3
Then sealing imports inert gas by check valve 4, to reach 1 internal gas insulation effect of shell.
The check valve 4 is high-accuracy high-pressure gas seal check valve 4, and adjustable check valve 4 is the main of the application
Embodiment so that improving the sustainability of gas input, and can be avoided air pressure in outer housing 1 by adjusting air inlet size
High situation.
The sealing mechanism includes connecting tube 6 and high pressure connection 7, and the both ends of connecting tube 6 are respectively provided with high pressure connection 7, and two
The gas transmission end of input terminal and high-pressure installation 5 that high pressure connection 7 respectively corresponds check valve 4 is tightly connected.
Clamping frame 8 is provided on the outer housing 1, the high-pressure installation 5 is detachably connected in clamping frame 8.
It, can be to being sucked by vacuum in outer housing 1 by the setting of extraction sector by the technical program, and it can
Repeatedly pumping operation is carried out in later maintenance, avoids the excessively high situation of later maintenance cost, passes through check valve 4 and high press fitting
5 setting is set, can be to gas input be carried out in outer housing 1, internal gas insulate caused by avoiding outer housing 1 from leaking because of gas
The case where failure, facilitates the replacement operation for gas tank by the setting of sealing mechanism.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. the outer housing that a kind of supplementary type is used for gas-insulated metal enclosed switchgear, it is characterised in that: including extraction sector, unidirectionally
Valve (4), high-pressure installation (5) and sealing mechanism, the extraction sector are arranged on outer housing (1) and are connected to the interior of outer housing (1)
Portion, the check valve (4) are arranged on outer housing (1), and the inside of output end connection outer housing (1) of check valve (4), described
High-pressure installation (5) is arranged on outer housing (1), and the input terminal of gas transmission end connection check valve (4) of high-pressure installation (5), described
Sealing mechanism is arranged between high-pressure installation (5) and check valve (4).
2. a kind of supplementary type according to claim 1 is used for the outer housing of gas-insulated metal enclosed switchgear, feature exists
In: the high-pressure installation (5) is small-sized inert gas high pressure reserves tank.
3. a kind of supplementary type according to claim 1 is used for the outer housing of gas-insulated metal enclosed switchgear, feature exists
In: the extraction sector includes air exhauster (2) and sealing valve (3), and the sealing valve (3) is arranged on outer housing (1) and is connected to
Outer housing (1) is internal, and the air exhauster (2) is detachably connected with sealing valve (3).
4. a kind of supplementary type according to claim 1 is used for the outer housing of gas-insulated metal enclosed switchgear, feature exists
In: the check valve (4) is high-accuracy high-pressure gas seal check valve.
5. a kind of supplementary type according to claim 1 is used for the outer housing of gas-insulated metal enclosed switchgear, feature exists
In: the sealing mechanism includes connecting tube (6) and high pressure connection (7), and the both ends of connecting tube (6) are respectively provided with high pressure connection (7), and two
The gas transmission end of input terminal and high-pressure installation (5) that a high pressure connection (7) respectively corresponds check valve (4) is tightly connected.
6. a kind of supplementary type according to claim 2 is used for the outer housing of gas-insulated metal enclosed switchgear, feature exists
In: it is provided with clamping frame (8) on the outer housing (1), the high-pressure installation (5) is detachably connected on clamping frame (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920501764.7U CN209658736U (en) | 2019-04-15 | 2019-04-15 | A kind of supplementary type is used for the outer housing of gas-insulated metal enclosed switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920501764.7U CN209658736U (en) | 2019-04-15 | 2019-04-15 | A kind of supplementary type is used for the outer housing of gas-insulated metal enclosed switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209658736U true CN209658736U (en) | 2019-11-19 |
Family
ID=68529287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920501764.7U Expired - Fee Related CN209658736U (en) | 2019-04-15 | 2019-04-15 | A kind of supplementary type is used for the outer housing of gas-insulated metal enclosed switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209658736U (en) |
-
2019
- 2019-04-15 CN CN201920501764.7U patent/CN209658736U/en not_active Expired - Fee Related
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Legal Events
| 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: 20191119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |