CN202796728U - Bellows type SF6 density relay - Google Patents
Bellows type SF6 density relay Download PDFInfo
- Publication number
- CN202796728U CN202796728U CN 201220393644 CN201220393644U CN202796728U CN 202796728 U CN202796728 U CN 202796728U CN 201220393644 CN201220393644 CN 201220393644 CN 201220393644 U CN201220393644 U CN 201220393644U CN 202796728 U CN202796728 U CN 202796728U
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- bellows
- circuit board
- center
- links
- linkage
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Abstract
The utility model relates to a bellows type SF6 density relay comprising a joint disposed in a nut. The nut is connected with a pedestal, and an inner side of the pedestal is connected with a connection seat. An outer side of the pedestal and an outer side of the connection seat are provided with an outer housing, and a lower bellows is connected with the joint, and the other end of the lower bellows is connected with a linkage plate. Two sides of the linkage plate are provided with linkage rods, and the linkage plate is connected with an upper bellows. The upper bellows is communicated with a capillary, which is connected with a small plug. An insulation column passes through a center of the circle of the upper bellows, a center of the linkage plate, and a center of the circle of the lower bellows. The insulation column is fixedly, from top to bottom, provided with a circuit board and a fixing plate. The insulation column is connected with a supporting column. Upper parts of the linkage rods are provided with a triggering plate, which is provided with ball plungers. The outer housing is connected with a junction box component, and a pedestal of the junction box is connected with a junction box circuit board. The junction box circuit board is provided with terminals. The lower bellows is communicated with an air chamber, and the upper bellows can be used for the compensation of the standard air chamber. By using the bellows type SF6 density relay, the shock resistance performance of the product can be improved. When the system gas is reduced, the lower bellows can move downwards, and microswitchs can be sequentially triggered to send alarming and blocking signals.
Description
Technical field
The utility model belongs to high voltage switchgear Condition Monitoring Technology field, is specifically related to a kind of bellows-type SF
6Density monitor is used for high-voltage switch gear SF
6The on-line condition monitoring of gas density.
Background technology
Present stage, the high-voltage switch gear that the high voltage supply of China's power supply system adopts, majority is SF
6Switch main body, SF
6Be sulphur hexafluoride, in use most important to the supervision of density in the Switch main body.If because SF
6Leakage Gas in the Switch main body and can not reach alarm and make the electric power system self-locking then might cause SF
6The Switch main body blast causes large-area power-cuts.Thereby SF in the equipment
6The density value of gas largely affects the safe operation of equipment.
Insulation property, arc extinguishing ability and sealing are to judge whether qualified several leading indicators of high-voltage switch gear.And SF
6The density value size of gas can reflect its arc extinguishing ability and insulation property.Therefore, by to SF
6The monitoring of gas density value size can realize the diagnosis of insulation property, Leakage Gas and the device interior failure condition of high-voltage switch gear.
In the market, SF
6Density controller can be used for measuring SF
6The density of gas, but because the electric contact form can only be used for normally open, so that its anti-seismic performance shortcoming under normally off, the hit phenomenon can appear when the switch divide-shut brake, produce false alarm, though the available damping silicone oil that is filled with improves, and also can bring the hidden danger such as leakage of oil, loose contact, has increased again cost.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the purpose of this utility model provides a kind of bellows-type SF
6Density monitor, bellows-type SF
6Density monitor utilizes sensitive switch to replace electric contact, thereby bellows replaces bourdon tube to improve the anti-seismic performance of product.
To achieve these goals, the technical solution adopted in the utility model is: a kind of bellows-type SF
6Density monitor, include the joint that is located in the nut, nut links to each other with base, and the base inboard is provided with Connection Block, base, Connection Block are provided with shell outward, lower bellows one end links to each other with joint, and the other end links to each other with linkage board, and the linkage board both sides are provided with gangbar, the opposite side of linkage board links to each other with an end of upper bellows, the other end of upper bellows is connected with capillary, and capillary links to each other with little plug again, and insulated column passes the center of circle of the center of circle, linkage board center and the lower bellows of bellows; Insulated column be fixed with circuit board, fixed head from top to bottom, the insulated column upper end links to each other with support column, the gangbar top also is provided with the shake-up plate, the shake-up plate is provided with the bulb jackscrew; Shell one side is connected with junction box assembly by terminal box base, and terminal box base also links to each other with the terminal box circuit board by the terminal box nut, and the terminal box circuit board is provided with terminal.
The beneficial effects of the utility model are:
The utility model replaces bourdon tubes with 2 identical bellowss, and one communicates with lower bellows, i.e. air chamber, another redeeming; Bellows-type SF
6Density monitor replaces electric contact with sensitive switch, and its anti-seismic performance can strengthen greatly, can be under Chang Kai and normally closed two states steady operation, superior performance.
The utility model can be measured the gas density value in real time, and the real-time Transmission measurement data can realize the on-line monitoring of high voltage switchgear operation conditions to sensing chamber.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
Below in conjunction with accompanying drawing structural principle of the present utility model and operation principle are described in further detail.
Referring to Fig. 1, a kind of bellows-type SF
6Density monitor, include the joint 1 that is located in the nut 2, nut 2 links to each other with base 3, base 3 inboards are provided with Connection Block 4, base 3, the Connection Block 4 outer shells 5 that are provided with, lower bellows 6 one ends link to each other with joint 1, the other end links to each other with linkage board 7, linkage board 7 both sides are provided with gangbar 8, the opposite side of linkage board 7 links to each other with an end of upper bellows 9, the other end of upper bellows 9 is connected with capillary 22, and capillary 22 links to each other with little plug 20 again, and insulated column 21 passes the center of circle of the center of circle, linkage board 7 centers and the lower bellows 6 of bellows 9; Insulated column 21 be fixed with circuit board 11, fixed head 10 from top to bottom, insulated column 21 upper ends link to each other with support column 12, gangbar 8 tops also are provided with touches plate 14, touches plate 14 and is provided with bulb jackscrew 13; Shell 5 one sides are connected with junction box assembly 19 by terminal box base 15, and terminal box base 15 also links to each other with terminal box circuit board 17 by terminal box nut 16, and terminal box circuit board 17 is provided with terminal 18.
The utility model joint is connected with the equipment air chamber, and lower bellows 6 communicates with air chamber, and upper bellows 9 compensates effect for the standard air chamber.When system gas reduced, lower bellows moved down, thereby triggers sensitive switch successively, sends warning, block signal; When system gas increased, bellows moved up, until to spacing (by fixed head 10), the spacing bellows of protecting does not produce permanent deformation.
Claims (1)
1. bellows-type SF
6Density monitor, include the joint (1) that is located in the nut (2), nut (2) links to each other with base (3), base (3) inboard is provided with Connection Block (4), base (3), the outer shell (5) that is provided with of Connection Block (4), it is characterized in that, lower bellows (6) one ends link to each other with joint (1), the other end links to each other with linkage board (7), linkage board (7) both sides are provided with gangbar (8), the opposite side of linkage board (7) links to each other with an end of upper bellows (9), the other end of upper bellows (9) is connected with capillary (22), capillary (22) links to each other with little plug (20) again, and insulated column 21 passes the center of circle of bellows (9), the center of circle of linkage board (7) center and lower bellows (6); Insulated column (21) be fixed with circuit board (11), fixed head (10) from top to bottom, insulated column (21) upper end links to each other with support column (12), gangbar (8) top also is provided with touches plate (14), touches plate (14) and is provided with bulb jackscrew (13); Shell (5) one sides are connected with junction box assembly (19) by terminal box base (15), terminal box base (15) also links to each other with terminal box circuit board (17) by terminal box nut (16), and terminal box circuit board (17) is provided with terminal (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220393644 CN202796728U (en) | 2012-08-09 | 2012-08-09 | Bellows type SF6 density relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220393644 CN202796728U (en) | 2012-08-09 | 2012-08-09 | Bellows type SF6 density relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202796728U true CN202796728U (en) | 2013-03-13 |
Family
ID=47823935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220393644 Expired - Fee Related CN202796728U (en) | 2012-08-09 | 2012-08-09 | Bellows type SF6 density relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202796728U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104299844A (en) * | 2014-10-21 | 2015-01-21 | 上海乐研电气科技有限公司 | Wide-range sulfur hexafluoride gas density relay |
| CN105390337A (en) * | 2014-10-21 | 2016-03-09 | 上海乐研电气科技有限公司 | High-vibration-resistant sulfur hexafluoride gas density relay |
| CN105513892A (en) * | 2015-11-26 | 2016-04-20 | 宁波新思创机电科技股份有限公司 | Improved pressure alarm |
| CN107968018A (en) * | 2018-01-12 | 2018-04-27 | 上海乐研电气有限公司 | A kind of high antivibration gas density relay |
| CN109216106A (en) * | 2017-07-03 | 2019-01-15 | 国网安徽省电力公司电力科学研究院 | A kind of mixed gas density monitor |
| WO2021139111A1 (en) * | 2020-01-08 | 2021-07-15 | 南方电网科学研究院有限责任公司 | Gas density monitoring apparatus |
-
2012
- 2012-08-09 CN CN 201220393644 patent/CN202796728U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104299844A (en) * | 2014-10-21 | 2015-01-21 | 上海乐研电气科技有限公司 | Wide-range sulfur hexafluoride gas density relay |
| CN105390337A (en) * | 2014-10-21 | 2016-03-09 | 上海乐研电气科技有限公司 | High-vibration-resistant sulfur hexafluoride gas density relay |
| CN104299844B (en) * | 2014-10-21 | 2016-08-24 | 上海乐研电气科技有限公司 | A kind of wide range sulfur hexafluoride gas density relay |
| CN105513892A (en) * | 2015-11-26 | 2016-04-20 | 宁波新思创机电科技股份有限公司 | Improved pressure alarm |
| CN109216106A (en) * | 2017-07-03 | 2019-01-15 | 国网安徽省电力公司电力科学研究院 | A kind of mixed gas density monitor |
| CN109216106B (en) * | 2017-07-03 | 2024-04-02 | 国网安徽省电力公司电力科学研究院 | Mixed gas density relay |
| CN107968018A (en) * | 2018-01-12 | 2018-04-27 | 上海乐研电气有限公司 | A kind of high antivibration gas density relay |
| CN107968018B (en) * | 2018-01-12 | 2023-12-08 | 上海乐研电气有限公司 | High vibration-resistant gas density relay |
| WO2021139111A1 (en) * | 2020-01-08 | 2021-07-15 | 南方电网科学研究院有限责任公司 | Gas density monitoring apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Xi'an Huawei Automatic Control Equipment Co., Ltd. Document name: Notification to Pay the Fees |
|
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Yongjun Inventor after: Yao Feng Inventor after: Jing Chuangpeng Inventor before: Wang Yongjun Inventor before: Yao Feng Inventor before: Jing Chuangpeng Inventor before: Qin Jiangbin |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WANG YONGJUN YAO FENG JING CHUANGPENG QIN JIANGBIN TO: WANG YONGJUN YAO FENG JING CHUANGPENG |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20140809 |
|
| EXPY | Termination of patent right or utility model |