CN201259863Y - Cap type soft connection for vacuum circuit breaker - Google Patents
Cap type soft connection for vacuum circuit breaker Download PDFInfo
- Publication number
- CN201259863Y CN201259863Y CNU2008200954109U CN200820095410U CN201259863Y CN 201259863 Y CN201259863 Y CN 201259863Y CN U2008200954109 U CNU2008200954109 U CN U2008200954109U CN 200820095410 U CN200820095410 U CN 200820095410U CN 201259863 Y CN201259863 Y CN 201259863Y
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- China
- Prior art keywords
- electric
- conducting
- vacuum circuit
- moving contact
- cap
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- Expired - Lifetime
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model provides a cap soft connection used in a vacuum circuit breaker; the cap soft connection is arranged between a moving contact and a lower electric-conducting piece which are arranged in the inner part of the vacuum circuit breaker; the cap soft connection comprises a cap body, a electric-conducting clip and a electric-conducting ring; the cap body is made by copper woven belts, and the two ends of the cap body are fixedly connected with the electric-conducting clip and the electric-conducting ring respectively; the electric-conducting clip is connected with the moving contact, and the electric-conducting ring is connected with the lower electric-conducting piece. The cap body made by copper woven belts is adopted for connecting the electric-conducting clip which is connected with the moving contact and the lower electric-conducting piece respectively and the electric-conducting ring; as the softness of the cap body is good, and the moving resistance is little, thus ensuring the free movement of the moving contact; in addition, the current in the cap body is circumferentially distributed in a cap way, the heating of the current is low, and heat radiating area is large, thus being beneficial to reducing the temperature rising.
Description
Technical field
The utility model relates to a kind of high-tension vacuum switch equipment, relates in particular to a kind of vacuum circuit-breaker and is flexible coupling with hat type.
Background technology
In electric power system, circuit breaker is widely used as power distribution equipment, in a large amount of vacuum circuit-breakers that use, generally comprises the phase post with vacuum interrupter at present.Described vacuum interrupter comprises fixed contact and moving contact, and described fixed contact is fixed on the electric-conductor, and moving contact is connected with following electric-conductor by being flexible coupling, and constitutes the galvanic circle thus.
Being flexible coupling of above-mentioned connection moving contact and following electric-conductor often made for copper strips, fixed contact and moving contact contact and separating process in, being flexible coupling also can movement therewith.Described be flexible coupling be the copper strips of hard, its resistance of motion is big, and easy fracture, is difficult for heat radiation simultaneously, temperature rise is fast, especially the rated current of vacuum circuit-breaker is at 3150A and when above, temperature rise exceeds standard, and can hinder the technical development of high current vacuum circuit breaker.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of vacuum circuit-breaker to be flexible coupling with hat type, and its switching performance is good, can guarantee the moving contact free movement, and the electric current heating is low, is beneficial to reduce temperature rise.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of vacuum circuit-breaker is flexible coupling with hat type, it is located between the moving contact and following electric-conductor of vacuum circuit-breaker inside, described be flexible coupling comprise hat type main body, conductive clip and conducting ring, described hat type main body is made for the copper braid over braid, its two ends are fixedly connected conductive clip and conducting ring respectively, and described conductive clip is connected with moving contact, and conducting ring is connected with following electric-conductor.
The beneficial effects of the utility model are: connect conductive clip and the conducting ring that is connected with moving contact, following electric-conductor respectively by the hat type main body that adopts the copper braid over braid to make, because its flexibility is good, the resistance of motion is little, can guarantee the free movement of moving contact; And electric current is the hat type circle distribution in this hat type main body, and the electric current heating is low, and area of dissipation is big, helps reducing temperature rise.
Description of drawings
Fig. 1 is the cross-sectional schematic of first preferred implementation of the utility model.
Fig. 2 is the cross-sectional schematic that is flexible coupling in embodiment illustrated in fig. 1.
Fig. 3 is the schematic top plan view that is flexible coupling in embodiment illustrated in fig. 1.
Embodiment
For making technical problem to be solved in the utility model, technical scheme and beneficial effect clearer,, the utility model is further elaborated below in conjunction with drawings and the embodiments.Should be appreciated that embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Seeing also Fig. 1 to Fig. 3, is the preferred implementation that the utility model vacuum circuit-breaker is flexible coupling with hat type, and it is used for vacuum circuit-breaker, and described vacuum circuit-breaker comprises three poles 1, has certain interval between the adjacent pole 1.Each pole 1 comprises vacuum interrupter 2, goes up electric-conductor 3, electric-conductor 4 down, described vacuum interrupter 2, go up electric-conductor 3 and down electric-conductor 4 become the whole described pole 1 that forms by poured with epoxy resin.In the present embodiment, the diameter of described vacuum interrupter 2 is 85mm, and described vacuum interrupter 2 comprises fixed contact (not shown) and moving contact 20, and described fixed contact is fixed on the electric-conductor 3, moving contact 20 5 is connected with following electric-conductor 4 by being flexible coupling, and constitutes the galvanic circle thus.Described vacuum circuit-breaker also comprises a pull bar 6, and an end of described pull bar 6 is connected with moving contact 20, and an end is connected with operating mechanism.
Described vacuum circuit-breaker is by the closure and the disjunction of vacuum interrupter 2 burden circuit, during work, fixed contact contacts with moving contact 20, forms conductive path, electric current flow to the moving contact 20 of vacuum interrupter 2 from last electric-conductor 3 by fixed contact, again to being flexible coupling 5 and electric-conductor 4 down; When disconnecting vacuum circuit-breaker, pulling pull bar 6 makes fixed contact separate with moving contact 20 and gets final product.
Described be flexible coupling 5 comprise hat type main body 50, conductive clip 52 and conducting ring 54.Described hat type main body 50 is made for the copper braid over braid in the form of a ring, and its two ends are welded on respectively on conductive clip 52 and the conducting ring 54.Described conductive clip 52 is connected with the conducting rod (not shown) of moving contact 20, and described conducting ring 54 is provided with connecting hole 540, is connected with the following electric-conductor 4 of pole 1 by screw 56.
Described hat type main body 50 flexibilities are good, and the resistance of motion is little, because of area big, the galvanization ability is strong, and the electric current line becomes the hat type circle distribution, and the electric current heating is low, area of dissipation is big, helps reducing temperature rise, and the rated current that can guarantee vacuum circuit-breaker is that 3150A and above circuit breaker temperature rise meet the GB regulation.
The above only is a preferred implementation of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (3)
1. a vacuum circuit-breaker is flexible coupling with hat type, it is located between the moving contact and following electric-conductor of vacuum circuit-breaker inside, it is characterized in that: described hat type is flexible coupling and comprises hat type main body, conductive clip and conducting ring, described hat type main body is made for the copper braid over braid, its two ends are fixedly connected conductive clip and conducting ring respectively, described conductive clip is connected with moving contact, and described conducting ring is connected with following electric-conductor.
2. vacuum circuit-breaker as claimed in claim 1 is flexible coupling with hat type, it is characterized in that: described conducting ring is provided with connecting hole, is connected with following electric-conductor by screw.
3. vacuum circuit-breaker as claimed in claim 1 or 2 is flexible coupling with hat type, it is characterized in that: described hat type main body circlewise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200954109U CN201259863Y (en) | 2008-07-02 | 2008-07-02 | Cap type soft connection for vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200954109U CN201259863Y (en) | 2008-07-02 | 2008-07-02 | Cap type soft connection for vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201259863Y true CN201259863Y (en) | 2009-06-17 |
Family
ID=40774100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200954109U Expired - Lifetime CN201259863Y (en) | 2008-07-02 | 2008-07-02 | Cap type soft connection for vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201259863Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103021722A (en) * | 2012-11-30 | 2013-04-03 | 天水长城开关厂有限公司 | Layered interleaved conductive structure for movable end of solid-sealed polar pole for circuit breaker |
| CN103337406A (en) * | 2013-06-17 | 2013-10-02 | 北海银河产业投资股份有限公司 | Soft connection of vacuum arc extinguishing chamber |
| CN103682939A (en) * | 2012-09-07 | 2014-03-26 | 佛山市国电电器有限公司 | Welding method for terminal of electric appliance and knitting strip |
| CN104134569A (en) * | 2014-08-08 | 2014-11-05 | 麦克奥迪（厦门）电气股份有限公司 | Series-connection double-fracture switching capacitor bank vacuum switch |
| CN104658813A (en) * | 2015-02-10 | 2015-05-27 | 河南森源电气股份有限公司 | Connecting structure for vacuum arc-extinguishing chamber moving contact and conductive holder |
| CN111584293A (en) * | 2019-05-21 | 2020-08-25 | 杭州德睿达电气有限公司 | Contact system of direct current quick circuit breaker |
-
2008
- 2008-07-02 CN CNU2008200954109U patent/CN201259863Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103682939A (en) * | 2012-09-07 | 2014-03-26 | 佛山市国电电器有限公司 | Welding method for terminal of electric appliance and knitting strip |
| CN103021722A (en) * | 2012-11-30 | 2013-04-03 | 天水长城开关厂有限公司 | Layered interleaved conductive structure for movable end of solid-sealed polar pole for circuit breaker |
| CN103337406A (en) * | 2013-06-17 | 2013-10-02 | 北海银河产业投资股份有限公司 | Soft connection of vacuum arc extinguishing chamber |
| CN104134569A (en) * | 2014-08-08 | 2014-11-05 | 麦克奥迪（厦门）电气股份有限公司 | Series-connection double-fracture switching capacitor bank vacuum switch |
| CN104658813A (en) * | 2015-02-10 | 2015-05-27 | 河南森源电气股份有限公司 | Connecting structure for vacuum arc-extinguishing chamber moving contact and conductive holder |
| CN104658813B (en) * | 2015-02-10 | 2017-02-22 | 河南森源电气股份有限公司 | Connecting structure for vacuum arc-extinguishing chamber moving contact and conductive holder |
| CN111584293A (en) * | 2019-05-21 | 2020-08-25 | 杭州德睿达电气有限公司 | Contact system of direct current quick circuit breaker |
| CN111584293B (en) * | 2019-05-21 | 2022-06-10 | 杭州德睿达电气有限公司 | Contact system of direct current quick circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090617 |