CN209117656U - A kind of SF6Circuit breaker gas tests complexes - Google Patents
A kind of SF6Circuit breaker gas tests complexes Download PDFInfo
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- CN209117656U CN209117656U CN201821883324.4U CN201821883324U CN209117656U CN 209117656 U CN209117656 U CN 209117656U CN 201821883324 U CN201821883324 U CN 201821883324U CN 209117656 U CN209117656 U CN 209117656U
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Abstract
The utility model relates to a kind of SF6Circuit breaker gas tests complexes, comprising: gas cylinder, pressure reducing valve, triple valve, tester and connector；Triple valve contains three first passage, second channel and third channel channels；The outlet of gas cylinder is connected by one end of tracheae and pressure reducing valve, and the other end of pressure reducing valve is connect with first passage, and tester is connect by tracheae with third channel, and second channel is connect by tracheae with connector, and triple valve is without check valve arrangement；Connector is no check valve union；When implementation, gas cylinder switch is successively opened, three channel switch of triple valve, air valve will be taken to connect locking with breaker without check valve union, open test equipment flow switch, it can starts gas test work；The device can be realized circuit breaker gas live testing, allow the development of experiment work is more flexible to arrange, and reduce the power failure operation of operations staff, and the workload of equipment operations staff is alleviated while improving experiment work efficiency.
Description
Technical field
The utility model relates to electrical equipment chemical test fields, more particularly, to a kind of SF6Circuit breaker gas test
Complexes.
Background technique
Currently, high pressure sulfur hexafluoride (SF6) the gas on-site test of breaker realizes live testing substantially, but there are still
The SF of some models6Breaker inherent shortcoming and test that can only have a power failure as present on designing structure, such as HGF311 type SF6
Breaker；HGF311 type SF6The sensor of the gas pressure relay of breaker, which is located at, to be taken in air valve gas chamber, and takes air valve gas chamber
Narrow with the interface channel of breaker body gas chamber, when carrying out gas test, external connector makes to take when connecting with air valve is taken
Air valve gas room pressure declines in short-term, and the sensor of pressure switch collects depression signal, SF6The low block action of air pressure,
Control loop template, protection alarm locking are protected, while background system issues low pressure alarm signal；After several seconds, by breaker
The air pressure of gas chamber supplement makes after taking air valve air chamber pressure to restore, and alarm signal is just released；Due to part SF6Breaker is deposited
Defect in said structure design, thus for this kind of breaker can only have a power failure when carry out gas test, this to test and
Operation work belt carrys out very big inconvenience.
Utility model content
The utility model is to overcome breaker SF in part described in the above-mentioned prior art6Gas test is unable to live testing
Defect provides a kind of SF6Circuit breaker gas tests complexes.
Described device includes: gas cylinder, triple valve, tester and connector；
Triple valve contains three first passage, second channel and third channel channels；
The outlet of gas cylinder is connect by tracheae with first passage, and tester is connect by tracheae with third channel, and second is logical
Road is connect by tracheae with connector.
SF6With the SF that detection is qualified in gas cylinder6Gas, and gas pressure is higher than the display in breaker pressure gauge in bottle
Pressure value；The third channel of triple valve has channel switch, and three channels pass through connection tracheae connection SF respectively6Gas cylinder,
Take air valve and tester.When implementation, SF is successively opened6Gas cylinder switch, three channel switch of triple valve, connector and breaker take gas
Tester flow switch is opened in valve connection locking, it can starts gas test work；After the test, test is successively closed
Instrument flow switch, removes no check valve union at three channel switch of triple valve；Pass through the complexes and technology of the utility model
Embodiment can be realized circuit breaker gas live testing, allow the development of experiment work is more flexible to arrange, and reduce fortune
The power failure operation of administrative staff reduces the workload of equipment operations staff while improving experiment work efficiency.
Preferably, pressure reducing valve is additionally provided between gas cylinder and first passage, one end of pressure reducing valve is connect with cylinder outlet, another
End is connect with first passage, the adjustable pressure that rear gas is come out from gas cylinder of pressure reducing valve.
Preferably, three channel first passages, second channel and the third channel of the triple valve are without check
Valve arrangement is conducive to two-way circulating for gas, and can save valve cost.
Preferably, connector is no check valve union, is conducive to two-way circulating for gas, convenient for test, and can save valve
Cost.
Preferably, tester is additionally provided with offgas duct, due to impure SF6Toxic gas may be contained in gas, after test
Toxic gas is arranged to the place far from tester by test by offgas duct, or leads to discarded collection device, to protect
Hinder the safety of tester.
Preferably, gas cylinder is equipped with pressure gauge, realizes the real time monitoring to storage pressure.
Preferably, the tracheae is corrosion-resistant tracheae, ensures SF6Circuit breaker gas tests the reliability of complexes, together
Shi Yanchang SF6The service life of circuit breaker gas test complexes.
Preferably, the triple valve is metal triple valve, and the resistance to compression resistance to corrosion of metal triple valve is strong, is conducive to prolong
The service life of growth device.
Compared with prior art, the beneficial effect of technical solutions of the utility model is: the complexes of the utility model are logical
Gas cylinder and decompression valve-regulated devices air pressure are crossed, takes air valve to connect by no cut-off joint and breaker to be tested, can make to take gas
It is not in short pressure decline, SF in valve gas chamber6The low locking of air pressure will not act, and protection control loop will not break, backstage
System will not issue low pressure alarm signal, so as to realize live testing, allow the development of experiment work cleverer
It is living to arrange, the power failure operation of operations staff is reduced, the workload of operations staff is reduced while improving experiment work efficiency.
Detailed description of the invention
Fig. 1 is the present embodiment SF6Circuit breaker gas test complexes and its connected mode schematic diagram.
Fig. 2 is the structural schematic diagram of triple valve in complexes.
In figure: 1- gas cylinder, 2 pressure reducing valves, 3- triple valve, 4- tester, 5- connector, 6- take air valve, 7- breaker pressure gauge,
8- breaker, 9- offgas duct, 301- first passage, 302- second channel, 303 third channels.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；
In order to better illustrate this embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent actual product
Size；
To those skilled in the art, it is to be understood that certain known features and its explanation, which may be omitted, in attached drawing
's.
The technical solution of the utility model is described further with reference to the accompanying drawings and examples.
The present embodiment provides a kind of SF6Circuit breaker gas tests complexes.
As shown in Figure 1 and 2, described device includes: gas cylinder 1, triple valve 3, tester 4 and connector 5；
Triple valve 3 contains 303 3 first passage 301, second channel 302 and third channel channels；
The outlet of gas cylinder 1 is connect by tracheae with first passage 301, and tester 4 is connected by tracheae and third channel 302
It connects, second channel 302 is connect by tracheae with connector 5.
Pressure reducing valve 2 is additionally provided between gas cylinder 1 and first passage 301, one end of pressure reducing valve 2 is connect with cylinder outlet, another
End is connect with first passage 301, the adjustable pressure that rear gas is come out from gas cylinder of pressure reducing valve.
Three channel first passages 301, second channel 302 and the third channel 303 of the triple valve 3 are without inverse
Only valve arrangement is conducive to two-way circulating for gas, and can save valve cost.
Connector 5 is no check valve union, is conducive to two-way circulating for gas, convenient for test, and can save valve cost.
Tester 4 is additionally provided with offgas duct, due to impure SF6Toxic gas may be contained in gas, it will test after test
Toxic gas is arranged to the place far from tester by offgas duct, or leads to discarded collection device, to ensure test
The safety of personnel.
Gas cylinder 1 is equipped with pressure gauge, realizes the real time monitoring to storage pressure.
The tracheae is corrosion-resistant tracheae, ensures SF6Circuit breaker gas tests the reliability of complexes, while extending SF6
The service life of circuit breaker gas test complexes.
The triple valve 3 is metal triple valve, and the resistance to compression resistance to corrosion of metal triple valve is strong, is conducive to extend device
Service life.
A kind of its SF being embodied6Circuit breaker gas test complexes, which is characterized in that including SF6Gas cylinder 1 subtracts
Pressure valve 2, triple valve 3 connect tracheae 4, without check valve union 5, the SF6Gas cylinder 1 is the SF qualified with detection6Gas, and bottle
Interior gas pressure is higher than the pressure value of the display in breaker pressure gauge 7；The triple valve 3 is the threeway of three channel switch of band
Valve, wherein three channels pass through connection tracheae 4 respectively connects SF6Gas cylinder 1 takes air valve 6 and tester 9；The no non-return valve connects
First 5 be the straight coupling without non-return valve.
When it is implemented, being directed to SF6Breaker do not had a power failure gas test when, according to shown in Fig. 1, by gas cylinder 1, decompression
Valve 2, triple valve 3, connector 5 are connect by connecting tracheae with tested breaker 8, tester 4, and connection type is as shown in Figure 1, three
The first passage 301 of port valve passes through connection tracheae and pressure reducing valve 2 and SF6Gas cylinder 1 forms connection；The second channel 302 of triple valve 3
Air valve 7 is taken to connect by connection tracheae and connector 5 and tested breaker 8；The third channel 303 of triple valve passes through connection tracheae
It is connect with tester 4.
Three channels of triple valve 3 are without check valve arrangement.
Connector 5 when air valve 6 being taken to connect, wouldn't be locked with breaker 8, and no non-return air valve does not connect completely with breaker air valve
Touching, makes it not form access.
SF in gas cylinder 16Gas is that gas pressure is greater than breaker gas chamber internal pressure through detecting acceptable gas, and in gas cylinder
Power.
By Fig. 1, schematic diagram is by before the connection of complexes each section in succession, and confirmation connection is intratracheally without residual gas, gas cylinder 1
Switch, three channel switch of triple valve 3, tester 4 flow switch be in off state, pressure reducing valve 2 switch be open shape
State.
After connecting each section shown in Fig. 1, when test, successively implement in the following order:
(1) SF is opened6Gas cylinder 1 switchs and adjusts pressure reducing valve valve, makes to show in cylinder outlet pressure and 8 pressure gauge of breaker
The atmospheric pressure value shown is almost the same.
(2) switch for successively opening triple valve 3 first passage 301 and third channel 303 makes threeway valve passage 303 and surveys
The connection of examination instrument 4 is intratracheally full of SF6Gas, and enough atmospheric pressure values are kept, after the several seconds, close the third channel 303 of triple valve 3
Switch.
(3) switch of 3 second channel 302 of triple valve is opened, and rapidly locks connector 5 with air valve is taken, makes to take air valve gas
Room forms access connection with tracheae is connect.
(4) 3 third channel 303 of triple valve switch and tester flow switch are successively opened, and it is suitable to adjust uninterrupted,
Tester starts test job.
(5) 3 first passage 301 of triple valve and SF are successively closed6The switch of gas cylinder.
(6) after the completion of testing, flow switch, 3 third channel 303 of triple valve and the second channel of tester 4 are successively closed
302 switches, remove connector 5.
It can be realized by the complexes and implementer's case of the utility model in test, take in air valve gas chamber not
It will appear short pressure decline, SF6The low locking of air pressure will not act, and protection control loop will not break, and background system will not be sent out
Low pressure alarm signal out allows the development of experiment work is more flexible to arrange so as to realize live testing, reduces
The power failure operation of operations staff alleviates the workload of operations staff while improving experiment work efficiency.
The same or similar label correspond to the same or similar components；
The terms describing the positional relationship in the drawings are only for illustration, should not be understood as the limitation to this patent；
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (8)
1. a kind of SF6Circuit breaker gas test complexes, which is characterized in that described device include: gas cylinder (1), triple valve (3),
Tester (4) and connector (5)；
Triple valve (3) contains (303) three first passage (301), second channel (302) and third channel channels；
The outlet of gas cylinder (1) is connect by tracheae with first passage (301), and tester (4) passes through tracheae and third channel (303)
Connection, second channel (302) are connect by tracheae with connector (5).
2. SF according to claim 16Circuit breaker gas tests complexes, which is characterized in that gas cylinder (1) and first leads to
It is additionally provided between road (301) pressure reducing valve (2), one end of pressure reducing valve (2) is connect with cylinder outlet, the other end and first passage
(301) it connects.
3. SF according to claim 16Circuit breaker gas tests complexes, which is characterized in that the triple valve (3)
Three channel first passages (301), second channel (302) and third channel (303) be without check valve arrangement.
4. SF according to claim 16Circuit breaker gas tests complexes, which is characterized in that connector (5) is no check
Valve union.
5. SF according to claim 16Circuit breaker gas tests complexes, which is characterized in that tester (4) is additionally provided with
Offgas duct (9).
6. SF according to claim 16Circuit breaker gas tests complexes, which is characterized in that gas cylinder (1) is equipped with pressure
Power table.
7. SF according to claim 16Circuit breaker gas tests complexes, which is characterized in that the tracheae is corrosion-resistant
Tracheae.
8. SF according to claim 16Circuit breaker gas tests complexes, which is characterized in that the triple valve (3)
For metal triple valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821883324.4U CN209117656U (en) | 2018-11-15 | 2018-11-15 | A kind of SF6Circuit breaker gas tests complexes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821883324.4U CN209117656U (en) | 2018-11-15 | 2018-11-15 | A kind of SF6Circuit breaker gas tests complexes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209117656U true CN209117656U (en) | 2019-07-16 |
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ID=67205315
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821883324.4U Active CN209117656U (en) | 2018-11-15 | 2018-11-15 | A kind of SF6Circuit breaker gas tests complexes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109307744A (en) * | 2018-11-15 | 2019-02-05 | 广东电网有限责任公司 | A kind of SF6Circuit breaker gas tests complexes |
-
2018
- 2018-11-15 CN CN201821883324.4U patent/CN209117656U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109307744A (en) * | 2018-11-15 | 2019-02-05 | 广东电网有限责任公司 | A kind of SF6Circuit breaker gas tests complexes |
| CN109307744B (en) * | 2018-11-15 | 2024-03-29 | 广东电网有限责任公司 | SF (sulfur hexafluoride) 6 Complete device for breaker gas test |
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