CN209587230U - SF6Gas current transformer air valve - Google Patents
SF6Gas current transformer air valve Download PDFInfo
- Publication number
- CN209587230U CN209587230U CN201920047352.0U CN201920047352U CN209587230U CN 209587230 U CN209587230 U CN 209587230U CN 201920047352 U CN201920047352 U CN 201920047352U CN 209587230 U CN209587230 U CN 209587230U
- Authority
- CN
- China
- Prior art keywords
- connector
- tonifying
- gas
- current transformer
- internal path
- 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.)
- Withdrawn - After Issue
Links
- 230000004888 barrier function Effects 0.000 claims abstract description 16
- 238000004891 communication Methods 0.000 claims abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 18
- 238000002955 isolation Methods 0.000 abstract 1
- 229910018503 SF6 Inorganic materials 0.000 description 25
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Landscapes
- Feeding And Controlling Fuel (AREA)
Abstract
The utility model discloses a kind of SF6Gas current transformer air valve, it include valve body, valve body is equipped with ontology connector, tonifying Qi connector, outer meter connector and adjusts connector, is equipped with inside adjusting connector and adjusts bolt, its end is equipped with piston head, can be used to completely cut off the inside communication paths of ontology connector Yu tonifying Qi connector and outer meter connector；The internal path of tonifying Qi connector has closing-in structure, and be equipped with compressed spring and gas barrier head, the end of compressed spring be connected with the end of gas barrier head and the outside port of the internal path that makes gas barrier head resist tonifying Qi connector so that tonifying Qi connector the isolation of internal path and extraneous gas.The utility model is as SF6The intermediate member of gas current transformer and pressure gauge, when using the utility model, in SF6It is not necessarily to remove pressure gauge during the operation and maintenance of gas current transformer usually, saves maintenance cost and reduces maintenance time, and guarantee SF6The air-tightness of gas current transformer.
Description
Technical field
The utility model relates to technical field of electric equipment more particularly to a kind of SF6Gas current transformer air valve.
Background technique
SF6(sulfur hexafluoride) gas current transformer is the equipment of high-seal, is just had already passed through from factory installation tight
High pressure sealing detection test and SF6The test of gas.In operation and maintenance usually, need to dismantle SF6Gas current is mutual
The pressure gauge of sensor could be to SF6Gas current transformer carries out verification density monitor.Dismounting pressure gauge need to spend a timing
Between, and pressure meter calibration is also required to remove pressure gauge, maintenance time is increased, and being dismounted for multiple times pressure gauge may cause table
The deformed damageds failure such as head interface, pressure gauge and its components, leads to SF6 gas current transformer gas leakage, increases maintenance cost
And maintenance time, and it is unfavorable for SF6The air-tightness of gas current transformer is protected.
Utility model content
Against the above deficiency, the utility model provides a kind of SF6Gas current transformer air valve, in operation dimension usually
Shield, to reduce maintenance cost and maintenance time, guarantees SF without removing pressure gauge6The air-tightness of gas current transformer.
In order to achieve the above objectives, the utility model adopts the following technical solution:
A kind of SF6Gas current transformer air valve includes valve body, and the valve body is equipped with ontology connector, tonifying Qi connects
The inside of head, outer meter connector and adjusting connector, the ontology connector is respectively communicated with institute by the internal path for adjusting connector
Tonifying Qi connector and outer meter connector are stated, the inside of the tonifying Qi connector is connected to the outer meter connector；It is equipped with inside the adjusting connector
Bolt is adjusted, the medial end for adjusting bolt is equipped with piston head, the tune can be blocked when the piston head moves inward
The internal path of tonifying Qi connector and outer meter connector described in section fittings with completely cut off the ontology connector and the tonifying Qi connector and
The inside communication paths of outer meter connector；The closing in knot of inner wide and outer narrow is equipped at the outside port of the internal path of the tonifying Qi connector
The internal path of structure, the tonifying Qi connector is equipped with compressed spring, the internal path of the tonifying Qi connector at separate outside port
A gas barrier head to match with closing-in structure medial surface, the end of the compressed spring are being equipped at outside port
It is connected with the end of the gas barrier head and the gas barrier head is resisted in the closing-in structure of the tonifying Qi connector
Side is so that the internal path and extraneous gas of the tonifying Qi connector completely cut off.
Further, the outside port of the internal path of the tonifying Qi connector is that the closing-in structure of inner wide and outer narrow is tapered.
Further, matching is equipped with protection cap respectively on the outside of the connector of the tonifying Qi connector and adjusting connector.
Further, the tonifying Qi connector and the valve body detachable connection.
Further, the ontology connector is identical with the outer diameter of tonifying Qi connector.
Compared with prior art, the utility model has the beneficial effects that the utility model is as SF6Gas current transformer
With the intermediate member of pressure gauge, when using the utility model, in SF6Nothing during the operation and maintenance of gas current transformer usually
Pressure gauge need to be removed, maintenance cost is saved and reduces maintenance time, and guarantees SF6The air-tightness of gas current transformer.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described.
Fig. 1 is the schematic perspective view of the utility model；
Fig. 2 is the axial, cross-sectional view of an angle of the utility model；
Fig. 3 is the axial, cross-sectional view of an angle of the utility model.
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.Obviously, 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 creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1, Fig. 2 and Fig. 3 are please referred to, the utility model preferred embodiment provides a kind of SF6Gas current transformer is used
Air valve, includes valve body 1, and valve body 1 is equipped with ontology connector 2, tonifying Qi connector 3, outer meter connector 4 and adjusts connector 5, ontology connector
2 inside is respectively communicated with tonifying Qi connector 3 and outer meter connector 4 by adjusting the internal path of connector 5, and the inside of tonifying Qi connector 3 connects
Logical outer meter connector 4, which adjusts to be equipped with inside connector 5, adjusts bolt 6, and the medial end for adjusting bolt 6 is equipped with piston head 7, works as piston head
7 can block the internal path that the adjusting connector 5 is connected to tonifying Qi connector 3 and outer meter connector 4 when moving inward is connect with completely cutting off ontology
First 2 with the inside communication paths of tonifying Qi connector 3 and outer meter connector 4；It is equipped at the outside port of the internal path of tonifying Qi connector 3 interior
The internal path of wide outer narrow closing-in structure, tonifying Qi connector 3 is equipped with compressed spring 9 at separate outside port, tonifying Qi connector 3
Internal path is being equipped with a gas barrier head 8 to match with closing-in structure medial surface, compressed spring 9 at outside port
End be connected with the end of gas barrier head 8 and the inside of the closing-in structure 11 that makes gas barrier head 8 resist tonifying Qi connector 3
Face is so that the internal path and extraneous gas of tonifying Qi connector 3 completely cut off.
Existing SF6Gas current transformer is that pressure gauge is directly installed on SF6On gas current transformer, when maintenance,
It needs to remove pressure gauge, to produce certain maintenance time, repeatedly after maintenance, gauge outfit interface, pressure gauge may be caused
And its failure of the deformed damageds such as components, lead to SF6Gas current transformer gas leakage, is unfavorable for SF6The gas of gas current transformer
Close property protection.
In the utility model, in use, ontology connector 2 connects in SF6On gas current transformer, pressure gauge connects to be connect in appearance
On first 4.In normal use, the adjusting bolt 6 adjusted in connector 5 is regulated, so that piston head 7, which does not block, adjusts the company of connector 5
The internal path of logical tonifying Qi connector 3 and outer meter connector 4 is to keep the inside of ontology connector 2 and tonifying Qi connector 3 and outer meter connector 4 to connect
Road is unobstructed all, adjusting bolt 6 and under the action of piston head 7, adjust the internal path of connector 5 always with extraneous gas every
Absolutely, and under the action of compressed spring 9, the outside port that gas barrier head 8 resists the internal path of tonifying Qi connector 3 makes tonifying Qi
The internal path and extraneous gas of connector 3 completely cut off, at this point, 2 internal path of ontology connector is connected to outer 4 internal path of meter connector,
And ontology connector 2 and outer meter connector 4 respectively with SF6Gas current transformer is connected to pressure gauge, at this time SF6Gas current mutual inductance
Device and pressure gauge work normally.When needing to inflate, gas is introduced from tonifying Qi connector 3 by exterior line, in extraneous gas
Under pressure, 8 forced compression of gas barrier head lives compressed spring 9 and inwardly the outside port of tonifying Qi connector 3 is opened at this time, and tonifying Qi connects
First 3 internal path is connected to external (gas tank etc.), be can be realized and is introduced a gas into, and gas passes through internal path from ontology connector
2 enter SF6Gas current transformer is to realize inflation.When verifying pressure gauge, the adjusting bolt 6 adjusted in connector 5 is regulated, with
So that piston head 7 block adjust connector 5 be connected to the internal path of tonifying Qi connector 3 and outer meter connector 4 with completely cut off ontology connector 2 with
The inside communication paths of tonifying Qi connector 3 and outer meter connector 4 are introduced gas from tonifying Qi connector 3 by exterior line, in external gas
Under body pressure, 8 forced compression of gas barrier head lives compressed spring 9 and inwardly the outside port of tonifying Qi connector 3 is opened at this time, tonifying Qi
The internal path of connector 3 is connected to outside, and the gas of introducing enters pressure by the internal path of tonifying Qi connector 3 and outer meter connector 4
Power table, and pressure is granted to pressure gauge, pressure gauge can show the pressure measured at this time, can verify pressure by this way
Table.This gas-valve special is used as SF6The intermediate member of gas current transformer and pressure gauge, when using gas-valve special, in SF6Gas
It is not necessarily to remove pressure gauge during the operation and maintenance of current transformer usually, saves maintenance cost and reduces maintenance time,
And guarantee SF6The air-tightness of gas current transformer.
In a preferred embodiment, the outside port of the internal path of tonifying Qi connector 3 is that the closing-in structure of inner wide and outer narrow is in
Cone cell is easy to implement good compactness.
Preferably, Fig. 1, Fig. 2 and Fig. 3 are please referred to, tonifying Qi connector 3 and the connector outside for adjusting connector 5 match respectively to be equipped with
Protection cap 10, can effectively avoid and accidentally touch.
Tonifying Qi connector 3 and 1 detachable connection of valve body, detachable connection mode are preferably in grafting or threaded connection
One kind being also possible to two kinds and is used in conjunction with.In this preferred embodiment, tonifying Qi connector 3 is implemented for example by means of a screw with valve body 1
Connection.Detachable connection is easily installed compressed spring 9 and gas barrier head 8.Outer meter connector 4 and ontology connector 1 equally use
Engagement thread connects to realize.It adjusts connector 5 and valve body 1 is integrally formed.
Ontology connector 2 is identical with the outer diameter of tonifying Qi connector 3, the adaptation and connection of the nozzle of exterior line when convenient for safeguarding.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, the change that can be readily occurred in
Change or replace, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with described
Subject to scope of protection of the claims.
Claims (5)
1. a kind of SF6Gas current transformer air valve includes valve body (1), it is characterised in that: the valve body (1) is equipped with this
Body connector (2), tonifying Qi connector (3), outer meter connector (4) and adjusting connector (5), the inside of the ontology connector (2) pass through described
The internal path for adjusting connector (5) is respectively communicated with the tonifying Qi connector (3) and outer meter connector (4), the tonifying Qi connector (3) it is interior
Portion is connected to the outer meter connector (4)；It is equipped with inside the adjusting connector (5) and adjusts bolt (6), it is described to adjust the interior of bolt (6)
Side end is equipped with piston head (7), and the adjusting connector (5) can be blocked when the piston head (7) moves inward and is connected to the benefit
The internal path of gas connector (3) and outer meter connector (4) is to completely cut off the ontology connector (2) and the tonifying Qi connector (3) and appearance
The inside communication paths of connector (4)；The closing in of inner wide and outer narrow is equipped at the outside port of the internal path of the tonifying Qi connector (3)
Structure (11), far from compressed spring (9) are equipped at outside port, the tonifying Qi connects the internal path of the tonifying Qi connector (3)
The internal path of head (3) is being equipped with a gas barrier head (8) to match with closing-in structure medial surface at outside port,
The end of the compressed spring (9) is connected with the end of the gas barrier head (8) and the gas barrier head (8) is resisted
The medial surface of the closing-in structure (11) of the internal path of the tonifying Qi connector (3) is so that the inside of the tonifying Qi connector (3) is logical
Road and extraneous gas completely cut off.
2. SF according to claim 16Gas current transformer air valve, it is characterised in that: the tonifying Qi connector (3)
The outside port of internal path is that the closing-in structure of inner wide and outer narrow is tapered.
3. SF according to claim 16Gas current transformer air valve, it is characterised in that: the tonifying Qi connector (3) and
It adjusts to match respectively on the outside of the connector of connector (5) and is equipped with protection cap (10).
4. SF according to claim 16Gas current transformer air valve, it is characterised in that: the tonifying Qi connector (3) with
Valve body (1) detachable connection.
5. SF according to claim 16Gas current transformer air valve, it is characterised in that: the ontology connector (2) and
The outer diameter of tonifying Qi connector (3) is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920047352.0U CN209587230U (en) | 2019-01-11 | 2019-01-11 | SF6Gas current transformer air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920047352.0U CN209587230U (en) | 2019-01-11 | 2019-01-11 | SF6Gas current transformer air valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209587230U true CN209587230U (en) | 2019-11-05 |
Family
ID=68352448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920047352.0U Withdrawn - After Issue CN209587230U (en) | 2019-01-11 | 2019-01-11 | SF6Gas current transformer air valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209587230U (en) |
-
2019
- 2019-01-11 CN CN201920047352.0U patent/CN209587230U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191105 Effective date of abandoning: 20231018 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20191105 Effective date of abandoning: 20231018 |