CN202420547U - Micro-water on-line monitoring device for monitoring density of sulfur hexafluoride in high voltage circuit breaker - Google Patents

Micro-water on-line monitoring device for monitoring density of sulfur hexafluoride in high voltage circuit breaker Download PDF

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Publication number
CN202420547U
CN202420547U CN201120504372XU CN201120504372U CN202420547U CN 202420547 U CN202420547 U CN 202420547U CN 201120504372X U CN201120504372X U CN 201120504372XU CN 201120504372 U CN201120504372 U CN 201120504372U CN 202420547 U CN202420547 U CN 202420547U
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CN
China
Prior art keywords
tonifying
primary cut
sulfur hexafluoride
line monitoring
little water
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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
Application number
CN201120504372XU
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Chinese (zh)
Inventor
夏杰字
董秋琴
谢裕焕
戴征武
赵勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NINGBO LIGONG ONLINE MONITORING TECHNOLOGY Co Ltd
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NINGBO LIGONG ONLINE MONITORING TECHNOLOGY Co Ltd
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Priority to CN201120504372XU priority Critical patent/CN202420547U/en
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Publication of CN202420547U publication Critical patent/CN202420547U/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a micro-water on-line monitoring device for monitoring the density of sulfur hexafluoride in a high voltage circuit breaker. The micro-water on-line monitoring device is used for monitoring electrical equipment, and comprises an ejector pin column which is in butt joint with a gas supplementing interface of the high voltage circuit breaker, a gas supplementing one-way valve used for supplementing gas to the high voltage circuit breaker, a body used for fixing a sensor, and a tee joint used for communicating the ejector pin column, the gas supplementing one-way valve and the body. A monitoring end and a gas supplementing end are connected with the gas supplementing interface of the high voltage circuit breaker at the same time, so that the seamless butt joint with the gas supplementing interface of the high voltage circuit breaker can be realized, and the data acquisition reality (such as synchronous detection in the gas supplementing process) can be improved; and the integral device is simple and light in structure, small in volume and convenient to install in the open air.

Description

The device of the little water on-line monitoring of sulfur hexafluoride density in a kind of primary cut-out
Technical field
The utility model relates to a kind of electric apparatus monitoring field, relates in particular to the device of the little water on-line monitoring of sulfur hexafluoride density in a kind of primary cut-out.
Background technology
The online little water-mass density of sulfur hexafluoride gas (or saying the little water of density) monitoring device is mainly used in little water, density, temperature and the variation tendency thereof of on-line monitoring isolating switch SF6 (sulfur hexafluoride) gas.When changing appears in the relevant index of SF6 gas, provide change curve; When relevant index reaches alarm condition, report to the police or start warning device automatically; When relevant index exceeding standard reaches unsafe condition, report to the police or start blocking device automatically, forbid the isolating switch action, with the safety of support equipment and transformer station's whole system.At present, the little water-mass density monitor of existing sulfur hexafluoride is indoor type basically, and complex structure, and volume is heavy, and relatively difficulty is installed.
Summary of the invention
In order to address the above problem the utility model and provide the device of the little water on-line monitoring of sulfur hexafluoride density in a kind of primary cut-out, it has solved the little water monitor of general SF6 density can not outdoor installation, and volume is heavy, take shortcoming such as tonifying Qi interface.
For solving the problems of the technologies described above; The utility model adopts following technical scheme: the device of the little water on-line monitoring of sulfur hexafluoride density in a kind of primary cut-out; Comprise the thimble post that is used to dock primary cut-out tonifying Qi interface, be used for to primary cut-out carry out tonifying Qi the tonifying Qi retaining valve, be used for fixing the body of sensor, and be communicated with the threeway of said thimble post, tonifying Qi retaining valve and body.
The airtight sensor that is connected with the band external connection in the said body outside also is combined with the cover that seals said sensor on body, cover is provided with the rubber ring that penetrates its sidewall, and the external connection of said sensor passes and be clamped on the rubber ring mesopore.
Said cover and body are through being threaded, and the rotation end is provided with the O RunddichtringO.
Said cover also comprises the corrugated tube adapter, and said corrugated tube adapter covers said rubber ring, and with the cover threaded engagement.
Be arranged with on the said thimble post and be used for the nut that cooperates with primary cut-out tonifying Qi interface, the thimble post is being provided with O type circle towards said tonifying Qi interface end.
Cooperate through screw thread and O-ring seal between said tonifying Qi retaining valve and the threeway, be combined with the block of sealing process at tonifying Qi retaining valve openend.
All through being welded to connect, it is the full weld structure that weld is between said thimble post and body and the threeway.
This sensor device has light, waterproof, and the function of multi-sealed difficult leakage, and make the threeway form is equipped with one again when taking in the primary cut-out tonifying Qi interface and reserves the tonifying Qi interface.
The device of the little water on-line monitoring of sulfur hexafluoride density in a kind of primary cut-out of the utility model; It comprises the thimble post that is used to dock primary cut-out tonifying Qi interface, be used for to primary cut-out carry out tonifying Qi the tonifying Qi retaining valve, be used for fixing the body of sensor, and be communicated with the threeway of said thimble post, tonifying Qi retaining valve and body; It realizes that monitoring side and tonifying Qi end are connected with primary cut-out tonifying Qi interface simultaneously; Realized slitless connection with primary cut-out tonifying Qi interface; Increased the authenticity (synchronous detection in the for example tonifying Qi process) of data acquisition; This integrated setting, simple in structure light and handy, volume is little, is convenient to outdoor installation.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further explanation:
Fig. 1 is the utility model structural representation.
Embodiment
As shown in Figure 1; The embodiment of the device of the little water on-line monitoring of sulfur hexafluoride density in a kind of primary cut-out, it comprises corrugated tube adapter 1, rubber ring 2, cover 3, sensor 4, body 5, nut 6, O type circle 7, thimble post 8, threeway 9, tonifying Qi retaining valve 10 and blocks a shot 11.We the structure assembling process describe concrete structure: nut 6 are enclosed within on the thimble post 8, then this assembly are welded together with threeway 9, and then this association is welded together with body 5, all welds all are full welds, guarantee not have leakage point.Tonifying Qi retaining valve 10 is added O type circle 7 be tightened on threeway 9 one ends, cover block 11, guarantee that this end can not leak gas.Then two O type circles 7 are assembled on the thimble post 8 of threeway 9 other ends.Sensor 4 is installed on the body 5, guarantee sensor 4 and body 5 sealings.Sensor 4 external connections can prevent into water through 2 chuckings of rubber ring on the cover 3.Cover 3 and body 5 are through being threaded the terminal O circle water-tight that increases of rotation.Be spun on corrugated tube adapter 1 on the cover 3 again.
With reference to Fig. 1 in use:
Sensor 4 device threeways 9 butt end nuts 6 are docked to primary cut-out tonifying Qi interface; Thimble post 8 will back down retaining valve in the primary cut-out; It is inner that gas will get into sensor 4 devices; Because have O type circle 7 to carry out plane and circumferentially double seal on the thimble post 8, joint can prevent effectively that gas from leaking.
After gas got into sensor 4 device inside, because these device threeway 9 other ends are tonifying Qi retaining valves 10, gas can reverse not gone out, so gas can only get in body 5 air chambers along threeway 9 internal duct.
3. sensor 4 is drawn through extension line the data of gained through detecting the gas-condition in body 5 air chambers from cover 3 top line outlets.
Because cover 3 inside can not intake, so the data extension line can be tightened when passing through rubber ring 2, anti-sealing gets into cover 3 inside.
Extension line is in the outside protection that can receive external corrugated tube again of sensor 4 devices.
When primary cut-out needs tonifying Qi, open block 11, back down tonifying Qi retaining valve 10, this moment, gas can both get into primary cut-out inside along pipeline, can get into again in body 5 air chambers.Sensor 4 also can detect the gas-condition of entering, and data are drawn.
The utlity model has following characteristics and advantage:
1. cabling on cable rack is by rubber ring 2 chucking, and it is fastening to have solved outlet, the outdoor water-proof sealing function, and cover 3 connects corrugated tube adapter 1 again, can realize the protective effect to cable by external corrugated tube.
2. cover 3 and body 5 junction of screwing has increased the O circle and has solved this device outdoor water-proof problem.
3. body 5 adopts the stainless steel welding to handle, and inside is hollow, greatly reduces the general assembly (TW) of sensor 4 devices.
4. this device internal duct is led in body 5 air chambers, and sensor 4 is directly linked this air chamber again, so can directly effective detected gas data.
5. threeway 9 butt end thimble posts 8 adopt flat seal to combine with circumferential seal, duplicate protection, and sulfur hexafluoride gas leaks in the time of effectively preventing to detect.
6. the butt end adopts nut 6 to be nested in the assembling mode on the thimble post 8, can 360 degree directions select when this pick-up unit is installed, and can effectively avoid the interference solid that possibly occur in the primary cut-out.
7. when threeway 9 one ends took the primary cut-out gas supplementing opening, the other end had been equipped with one again and has reserved tonifying Qi retaining valve 10, had realized that detection and tonifying Qi neglect neither.
The above-mentioned preferred embodiment that is merely the utility model, all member equivalence replacement or improvement of doing on this basis all surely belong to the protection domain that falls into the utility model.

Claims (7)

1. the device of the little water on-line monitoring of sulfur hexafluoride density in the primary cut-out; It is characterized in that: comprise the thimble post (8) that is used to dock primary cut-out tonifying Qi interface, be used for to primary cut-out carry out tonifying Qi tonifying Qi retaining valve (10), be used for fixing the body (5) of sensor (4), and be communicated with the threeway (9) of said thimble post (8), tonifying Qi retaining valve (10) and body (5).
2. the device of the little water on-line monitoring of sulfur hexafluoride density in the primary cut-out according to claim 1; It is characterized in that: the airtight sensor (4) that is connected with the band external connection in said body (5) outside; On body (5), also be combined with the cover (3) of the said sensor of sealing (4); Cover (3) is provided with the rubber ring (2) that penetrates its sidewall, and the external connection of said sensor (4) passes and be clamped on rubber ring (2) mesopore.
3. the device of the little water on-line monitoring of sulfur hexafluoride density in the primary cut-out according to claim 2 is characterized in that: said cover (3) and body (5) are through being threaded, and the rotation end is provided with the O RunddichtringO.
4. the device of the little water on-line monitoring of sulfur hexafluoride density in the primary cut-out according to claim 3; It is characterized in that: said cover (3) also comprises corrugated tube adapter (1); Said corrugated tube adapter (1) covers said rubber ring (2), and with cover (3) threaded engagement.
5. the device of the little water on-line monitoring of sulfur hexafluoride density in the primary cut-out according to claim 1; It is characterized in that: be arranged with on the said thimble post (8) and be used for the nut (6) that cooperates with primary cut-out tonifying Qi interface, thimble post (8) is being provided with O type circle (7) towards said tonifying Qi interface end.
6. the device of the little water on-line monitoring of sulfur hexafluoride density in the primary cut-out according to claim 1; It is characterized in that: cooperate through screw thread and O-ring seal between said tonifying Qi retaining valve (10) and the threeway (9), be combined with the block (11) of sealing process at tonifying Qi retaining valve (10) openend.
7. according to the device of the little water on-line monitoring of sulfur hexafluoride density in each described primary cut-out of claim 1-6; It is characterized in that: all through being welded to connect, it is the full weld structure that weld is between said thimble post (8) and body (5) and the threeway (9).
CN201120504372XU 2011-12-07 2011-12-07 Micro-water on-line monitoring device for monitoring density of sulfur hexafluoride in high voltage circuit breaker Expired - Fee Related CN202420547U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120504372XU CN202420547U (en) 2011-12-07 2011-12-07 Micro-water on-line monitoring device for monitoring density of sulfur hexafluoride in high voltage circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201120504372XU CN202420547U (en) 2011-12-07 2011-12-07 Micro-water on-line monitoring device for monitoring density of sulfur hexafluoride in high voltage circuit breaker

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CN202420547U true CN202420547U (en) 2012-09-05

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104165657A (en) * 2014-08-29 2014-11-26 国网安徽省电力公司淮南供电公司 Sulfur hexafluoride gas micro-water density integrated monitoring device
CN105972252A (en) * 2016-06-24 2016-09-28 广州白云电器设备股份有限公司 Inflation valve seat capable of being used for online correcting meter
CN107749158A (en) * 2017-10-23 2018-03-02 中国电力科学研究院有限公司 A kind of system and method for long-range monitoring Puffer-type power equipment air pressure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104165657A (en) * 2014-08-29 2014-11-26 国网安徽省电力公司淮南供电公司 Sulfur hexafluoride gas micro-water density integrated monitoring device
CN105972252A (en) * 2016-06-24 2016-09-28 广州白云电器设备股份有限公司 Inflation valve seat capable of being used for online correcting meter
CN105972252B (en) * 2016-06-24 2019-02-01 广州白云电器设备股份有限公司 A kind of inflation valve seat can be used for online calibration
CN107749158A (en) * 2017-10-23 2018-03-02 中国电力科学研究院有限公司 A kind of system and method for long-range monitoring Puffer-type power equipment air pressure

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120905

Termination date: 20151207

EXPY Termination of patent right or utility model