CN102545088A - Nitrogen ring main unit - Google Patents
Nitrogen ring main unit Download PDFInfo
- Publication number
- CN102545088A CN102545088A CN201210000285XA CN201210000285A CN102545088A CN 102545088 A CN102545088 A CN 102545088A CN 201210000285X A CN201210000285X A CN 201210000285XA CN 201210000285 A CN201210000285 A CN 201210000285A CN 102545088 A CN102545088 A CN 102545088A
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- moving contact
- electric conductor
- chain
- isolating switch
- main unit
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Abstract
The invention discloses a nitrogen ring main unit. The nitrogen ring main unit comprises a vacuum circuit breaker, a rigidity power transfer device, a lower electric conductor, a main bus, a main bus output terminal, an operating mechanism and a closed box body, wherein the vacuum circuit breaker is fixed in the closed box body through a support; the rigidity power transfer device is connected with an isolating switch movable contact of the vacuum circuit breaker; the lower electric conductor is sleeved on a three-position switch movable contact of the rigidity power transfer device through a conductive spring; the main bus is in electric connection with the lower electric conductor; the main bus output terminal is arranged at the output terminal of the main bus; the operating mechanism controls chain wheels of the rigidity power transfer device to rate; and nitrogen is charged in the closed box body to serve as a protective gas. The nitrogen ring main unit provided by the invention utilizes the rigidity power transfer device to control the make/break of the vacuum circuit breaker, has the advantages of compact structure, less components and low cost, is environmentally-friendly because nitrogen serves the protective gas of the closed box body, and has a simple and practical structure.
Description
Technical field
The present invention relates to a kind of nitrogen ring main unit, particularly operating mechanism of a kind of usefulness can realize switchgear function, compact conformation, utilize the nitrogen ring main unit of nitrogen as protective gas, belong to the switchgear technical field.
Background technology
Existing ring main unit; Use 2 operating mechanisms to control vacuum circuit-breaker and three-station respectively; And between two operating mechanisms, to add mechanical interlocking device; Make the reliability of prior art low, cost is high and cause equipment volume to increase, and makes the requisite space of forming complete set of equipments strengthen.
Simultaneously, two sections property structures of prior art increased the quantity of electric conductor parts and interconnect between faying surface quantity, the many costs of consumptive material are high, and the faying surface contact resistance can cause the increase of equipment heating amount.
Simultaneously, be filled with SF6 as protective gas in the space of existing ring main unit, well-known, SF6 is 23900 times of CO2 to atmospheric harm, the atmospheric environment that the serious harm mankind depend on for existence.
Summary of the invention
The object of the present invention is to provide operating mechanism of a kind of usefulness can realize function, the compact conformation of switchgear, utilize the nitrogen ring main unit of nitrogen as protective gas.
The present invention realizes through following technical scheme: a kind of nitrogen ring main unit comprises vacuum circuit-breaker, rigidity power transmission, following electric conductor, main bus bar, main bus bar output, operating mechanism, closed casing; Said vacuum circuit-breaker is fixed in the closed casing through support; Said rigidity power transmission links to each other with the isolating switch moving contact of said vacuum circuit-breaker, and said electric conductor down is set on the three-station moving contact of rigidity power transmission through power spring; Said main bus bar is electrically connected with following electric conductor; Said main bus bar output is arranged on the output of main bus bar; The rotation of the sprocket wheel of said operating mechanism control rigidity power transmission; Inflated with nitrogen is as protective gas in the said closed casing.
Preferably, said vacuum circuit-breaker, comprising closes a floodgate keeps sincere son, moving conductive rod, isolating switch moving contact, the maintenance of closing a floodgate to separate lock dog, tripping spring, moving contact, fixed contact, go up electric conductor, first housing; Said first housing is provided with the cavity of hollow; Said tripping spring is set on the moving conductive rod, and is arranged on the cavity middle part of first housing; The push rod on said moving contact and moving conductive rod top links together; Said fixed contact is fixed on the top of cavity, and is provided with at interval with moving contact; Said combined floodgate keeps the paired bottom that is arranged on moving conductive rod of sincere son; Said combined floodgate keeps being provided with stage clip between lower end sidepiece and the cavity inner wall of sincere son; Said combined floodgate keeps the middle part of sincere son to be provided with convexity, said convexity when moving contact and fixed contact are kept in touch, the bottom of just blocking moving conductive rod; Said combined floodgate keeps the bottom of sincere son to be provided with the inclined-plane; Said a pair of combined floodgate keeps the inclined-plane of sincere son to form a upright V-type; Said combined floodgate keeps separating lock dog and is arranged on V-type inside; Said isolating switch moving contact is arranged on the bottom that lock dog is separated in the maintenance of closing a floodgate, and can promote to close a floodgate keeps separating moving up and down of lock dog; The said electric conductor of going up is electrically connected with moving conductive rod, isolating switch moving contact respectively.
Preferably, be provided with power spring between said isolating switch moving contact and the last electric conductor.
Preferably, said rigidity power transmission comprises chain retainer, sprocket wheel, chain, three-station moving contact, second housing; Said chain retainer is the U type; Said chain is arranged on the chain retainer; Said sprocket wheel and chain are equipped with, and when sprocket rotation, chain moves along the chain retainer; Said three-station moving contact is arranged in second housing through power spring; The lower end of said three-station moving contact links to each other with an end of sprocket wheel; The upper end of said three-station moving contact links to each other with the isolating switch moving contact; Said isolating switch moving contact, three-station moving contact, be arranged on the same vertical curve with the chain of the lower ends of three-station moving contact.
Preferably, the operating mechanism rotating shaft of said operating mechanism is provided with grounding contact.
Beneficial effect of the present invention is embodied in: nitrogen ring main unit of the present invention, utilize the rigidity power transmission to control the ON/OFF of vacuum circuit-breaker, compact conformation; Parts are few, and cost is low, simultaneously; The present invention utilizes the protective gas of nitrogen as airtight casing, has environmental-protecting performance; The present invention is simple in structure, practical.
Description of drawings
Below in conjunction with accompanying drawing technical scheme of the present invention is described further:
Fig. 1 is the cutaway view of nitrogen ring main unit of the present invention;
Wherein: 1, combined floodgate keeps sincere son; 2, stage clip; 3, moving conductive rod; 4, isolating switch moving contact; 5, combined floodgate keeps separating lock dog; 6, tripping spring; 7, moving contact; 8, fixed contact; 9, first housing; 10, closed casing; 11, chain retainer; 12, sprocket wheel; 13, chain; 14, three-station moving contact; 15, power spring; 16, second housing; 17, following electric conductor; 18, main bus bar; 19, main bus bar output; 20, operating mechanism; 21, operating mechanism rotating shaft; 22, grounding contact; 23, nitrogen; 24, go up electric conductor.
Embodiment
Below in conjunction with accompanying drawing the present invention is described.
Be depicted as a kind of nitrogen ring main unit of the present invention like accompanying drawing 1, comprise vacuum circuit-breaker, rigidity power transmission, following electric conductor 17, main bus bar 18, main bus bar output 19, operating mechanism 20, closed casing 10; Said vacuum circuit-breaker is fixed in the closed casing 10 through support (not marking); Said rigidity power transmission links to each other with the isolating switch moving contact of said vacuum circuit-breaker, and said electric conductor 17 down is set on the three-station moving contact 14 of rigidity power transmission through power spring 15; Said main bus bar 18 is electrically connected with following electric conductor 17; Said main bus bar output 19 is arranged on the output of main bus bar 18; The rotation of the sprocket wheel 12 of said operating mechanism 20 control rigidity power transmissions; Inflated with nitrogen 23 is as protective gas in the said closed casing 10; Said vacuum circuit-breaker comprising and close a floodgate keeping sincere sub 1, moving conductive rod 3, isolating switch moving contact 4, closing a floodgate keeps separating lock dog 5, tripping spring 6, moving contact 7, fixed contact 8, goes up electric conductor 24, first housing 9; Said first housing 9 is provided with the cavity of hollow; Said tripping spring 6 is set on the moving conductive rod 3, and is arranged on the cavity middle part of first housing 9; Said moving contact 7 links together with the push rod on moving conductive rod 3 tops; Said fixed contact 8 is fixed on the top of cavity, and is provided with at interval with moving contact 7; Said combined floodgate keeps the sincere sub 1 paired bottom that is arranged on moving conductive rod 3; Said combined floodgate keeps being provided with stage clip 2 between sincere sub 1 lower end sidepiece and the cavity inner wall; Said combined floodgate keeps sincere sub 1 middle part to be provided with convexity (not marking), said convexity when moving contact 7 and fixed contact 8 are kept in touch, the bottom of just blocking moving conductive rod 3; Said combined floodgate keeps sincere sub 1 bottom to be provided with the inclined-plane; Said a pair of combined floodgate keeps sincere sub 1 inclined-plane to form a upright V-type; Said combined floodgate keeps separating lock dog 5 and is arranged on V-type inside; Said isolating switch moving contact 4 is arranged on the bottom that lock dog 5 is separated in the maintenance of closing a floodgate, and can promote to close a floodgate keeps separating moving up and down of lock dog 5; The said electric conductor 27 of going up is electrically connected with moving conductive rod 3, isolating switch moving contact 4 respectively; Be provided with power spring 15 between said isolating switch moving contact 4 and the last electric conductor 3; Said rigidity power transmission comprises chain retainer 11, sprocket wheel 12, chain 13, three-station moving contact 14, second housing 16; Said chain retainer 11 is the U type; Said chain 13 is arranged on the chain retainer 11; Said sprocket wheel 12 is equipped with chain 13, and when sprocket wheel 12 rotated, chain 13 moved along chain retainer 11; Said three-station moving contact 14 is arranged in second housing 16 through power spring 15; The lower end of said three-station moving contact 14 links to each other with an end of sprocket wheel 12; The upper end of said three-station moving contact 14 links to each other with isolating switch moving contact 4; Said isolating switch moving contact 4, three-station moving contact 14, be arranged on the same vertical curve with the chain 13 of the lower ends of three-station moving contact 14; The operating mechanism rotating shaft 21 of said operating mechanism 20 is provided with grounding contact 22.
Beneficial effect of the present invention is embodied in: nitrogen ring main unit of the present invention, utilize the rigidity power transmission to control the ON/OFF of vacuum circuit-breaker, compact conformation; Parts are few, and cost is low, simultaneously; The present invention utilizes the protective gas of nitrogen as airtight casing, has environmental-protecting performance; The present invention is simple in structure, practical.
The foregoing description only is explanation technical conceive of the present invention and characteristics; Its purpose is to let the personage that is familiar with this technology can understand content of the present invention and implements; Can not limit protection scope of the present invention with this; All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (5)
1. a nitrogen ring main unit is characterized in that: comprise vacuum circuit-breaker, rigidity power transmission, following electric conductor, main bus bar, main bus bar output, operating mechanism, closed casing; Said vacuum circuit-breaker is fixed in the closed casing through support; Said rigidity power transmission links to each other with the isolating switch moving contact of said vacuum circuit-breaker, and said electric conductor down is set on the three-station moving contact of rigidity power transmission through power spring; Said main bus bar is electrically connected with following electric conductor; Said main bus bar output is arranged on the output of main bus bar; The rotation of the sprocket wheel of said operating mechanism control rigidity power transmission; Inflated with nitrogen is as protective gas in the said closed casing.
2. nitrogen ring main unit according to claim 1; It is characterized in that: said vacuum circuit-breaker, comprising closes a floodgate keeps sincere son, moving conductive rod, isolating switch moving contact, the maintenance of closing a floodgate to separate lock dog, tripping spring, moving contact, fixed contact, go up electric conductor, first housing; Said first housing is provided with the cavity of hollow; Said tripping spring is set on the moving conductive rod, and is arranged on the cavity middle part of first housing; The push rod on said moving contact and moving conductive rod top links together; Said fixed contact is fixed on the top of cavity, and is provided with at interval with moving contact; Said combined floodgate keeps the paired bottom that is arranged on moving conductive rod of sincere son; Said combined floodgate keeps being provided with stage clip between lower end sidepiece and the cavity inner wall of sincere son; Said combined floodgate keeps the middle part of sincere son to be provided with convexity, said convexity when moving contact and fixed contact are kept in touch, the bottom of just blocking moving conductive rod; Said combined floodgate keeps the bottom of sincere son to be provided with the inclined-plane; Said a pair of combined floodgate keeps the inclined-plane of sincere son to form a upright V-type; Said combined floodgate keeps separating lock dog and is arranged on V-type inside; Said isolating switch moving contact is arranged on the bottom that lock dog is separated in the maintenance of closing a floodgate, and can promote to close a floodgate keeps separating moving up and down of lock dog; The said electric conductor of going up is electrically connected with moving conductive rod, isolating switch moving contact respectively.
3. nitrogen ring main unit according to claim 1 is characterized in that: be provided with power spring between said isolating switch moving contact and the last electric conductor.
4. nitrogen ring main unit according to claim 1 is characterized in that: said rigidity power transmission comprises chain retainer, sprocket wheel, chain, three-station moving contact, second housing; Said chain retainer is the U type; Said chain is arranged on the chain retainer; Said sprocket wheel and chain are equipped with, and when sprocket rotation, chain moves along the chain retainer; Said three-station moving contact is arranged in second housing through power spring; The lower end of said three-station moving contact links to each other with an end of sprocket wheel; The upper end of said three-station moving contact links to each other with the isolating switch moving contact; Said isolating switch moving contact, three-station moving contact, be arranged on the same vertical curve with the chain of the lower ends of three-station moving contact.
5. nitrogen ring main unit according to claim 1 is characterized in that: the operating mechanism rotating shaft of said operating mechanism is provided with grounding contact.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210000285.XA CN102545088B (en) | 2012-01-04 | 2012-01-04 | Nitrogen ring main unit |
| PCT/CN2012/000703 WO2013102284A1 (en) | 2012-01-04 | 2012-05-21 | Nitrogen ring-network cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210000285.XA CN102545088B (en) | 2012-01-04 | 2012-01-04 | Nitrogen ring main unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102545088A true CN102545088A (en) | 2012-07-04 |
| CN102545088B CN102545088B (en) | 2014-09-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210000285.XA Expired - Fee Related CN102545088B (en) | 2012-01-04 | 2012-01-04 | Nitrogen ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102545088B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102769258A (en) * | 2012-08-07 | 2012-11-07 | 苏州朗格电气有限公司 | Efficient hydrogen insulation ring net cabinet |
| CN106229183A (en) * | 2016-08-26 | 2016-12-14 | 江苏省如高高压电器有限公司 | A kind of breaker protection method |
| CN106356241A (en) * | 2016-11-15 | 2017-01-25 | 通用森源（深圳）电气有限公司 | High-stability high-pressure vacuum circuit breaker |
| CN106531545A (en) * | 2016-11-15 | 2017-03-22 | 通用森源（深圳）电气有限公司 | High-voltage vacuum circuit breaker |
| CN108987179A (en) * | 2018-07-12 | 2018-12-11 | 东莞市联洲知识产权运营管理有限公司 | A kind of adjustable moving contact power transmission |
| CN112992598A (en) * | 2019-12-17 | 2021-06-18 | 北京京人电器有限公司 | Closed switch tube |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2788420Y (en) * | 2004-04-03 | 2006-06-14 | 深圳市沃尔电气有限公司 | Novel indoor and outdoor circulating net cabinet |
| CN2812359Y (en) * | 2004-12-01 | 2006-08-30 | 天水长城开关厂 | Gas insulated indoor AC high-voltage switching equipment |
| CN201134639Y (en) * | 2007-12-26 | 2008-10-15 | 沈阳华利能源设备制造有限公司 | 72.5KV gas insulated metal sealing switchgear |
| CN201490614U (en) * | 2009-08-27 | 2010-05-26 | 深圳市旭明电力技术有限公司 | Inflatable full insulated metal-enclosed switchgear |
| CN102044849A (en) * | 2009-10-16 | 2011-05-04 | 山东鲁亿通电气设备有限公司 | Box-sharing gas-insulated metal enclosed switching device |
| WO2011080546A1 (en) * | 2009-12-31 | 2011-07-07 | Abb Technology Ltd | Electrical ring main unit |
| CN102280833A (en) * | 2011-06-09 | 2011-12-14 | 江苏东源电器集团股份有限公司 | 40.5 KV outdoor Gas Insulated Switchgear (GIS) |
| CN202454965U (en) * | 2012-01-04 | 2012-09-26 | 苏州朗格电气有限公司 | Nitrogen ring network cabinet |
-
2012
- 2012-01-04 CN CN201210000285.XA patent/CN102545088B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2788420Y (en) * | 2004-04-03 | 2006-06-14 | 深圳市沃尔电气有限公司 | Novel indoor and outdoor circulating net cabinet |
| CN2812359Y (en) * | 2004-12-01 | 2006-08-30 | 天水长城开关厂 | Gas insulated indoor AC high-voltage switching equipment |
| CN201134639Y (en) * | 2007-12-26 | 2008-10-15 | 沈阳华利能源设备制造有限公司 | 72.5KV gas insulated metal sealing switchgear |
| CN201490614U (en) * | 2009-08-27 | 2010-05-26 | 深圳市旭明电力技术有限公司 | Inflatable full insulated metal-enclosed switchgear |
| CN102044849A (en) * | 2009-10-16 | 2011-05-04 | 山东鲁亿通电气设备有限公司 | Box-sharing gas-insulated metal enclosed switching device |
| WO2011080546A1 (en) * | 2009-12-31 | 2011-07-07 | Abb Technology Ltd | Electrical ring main unit |
| CN102280833A (en) * | 2011-06-09 | 2011-12-14 | 江苏东源电器集团股份有限公司 | 40.5 KV outdoor Gas Insulated Switchgear (GIS) |
| CN202454965U (en) * | 2012-01-04 | 2012-09-26 | 苏州朗格电气有限公司 | Nitrogen ring network cabinet |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102769258A (en) * | 2012-08-07 | 2012-11-07 | 苏州朗格电气有限公司 | Efficient hydrogen insulation ring net cabinet |
| CN106229183A (en) * | 2016-08-26 | 2016-12-14 | 江苏省如高高压电器有限公司 | A kind of breaker protection method |
| CN106356241A (en) * | 2016-11-15 | 2017-01-25 | 通用森源（深圳）电气有限公司 | High-stability high-pressure vacuum circuit breaker |
| CN106531545A (en) * | 2016-11-15 | 2017-03-22 | 通用森源（深圳）电气有限公司 | High-voltage vacuum circuit breaker |
| CN106356241B (en) * | 2016-11-15 | 2018-06-26 | 通用森源（深圳）电气有限公司 | A kind of high stability high-pressure vacuum breaker |
| CN108987179A (en) * | 2018-07-12 | 2018-12-11 | 东莞市联洲知识产权运营管理有限公司 | A kind of adjustable moving contact power transmission |
| CN112992598A (en) * | 2019-12-17 | 2021-06-18 | 北京京人电器有限公司 | Closed switch tube |
| CN112992598B (en) * | 2019-12-17 | 2022-08-05 | 北京京人电器有限公司 | Closed switch tube |
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| CN102545088B (en) | 2014-09-10 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20210104 |
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| CF01 | Termination of patent right due to non-payment of annual fee |