CN202332698U - Embedded pole type vacuum circuit breaker - Google Patents
Embedded pole type vacuum circuit breaker Download PDFInfo
- Publication number
- CN202332698U CN202332698U CN2011204733253U CN201120473325U CN202332698U CN 202332698 U CN202332698 U CN 202332698U CN 2011204733253 U CN2011204733253 U CN 2011204733253U CN 201120473325 U CN201120473325 U CN 201120473325U CN 202332698 U CN202332698 U CN 202332698U
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- China
- Prior art keywords
- circuit breaker
- conductor
- electroconductive
- outlet seat
- pole
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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
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Abstract
The utility model relates to an embedded pole type vacuum circuit breaker. The circuit breaker comprises an embedded pole and a circuit breaker operation mechanism connected with the embedded pole, wherein the embedded pole comprises an upper wire outgoing seat, a lower wire outgoing seat, conductors arranged in the upper and lower wire outgoing seats and a vacuum extinction chamber; a hollow electroconductive clamp is sleeved on the moving electroconductive rod of the vacuum extinction chamber, the bottom of the electroconductive clamp is provided with a plurality of flexible couplings which are fixedly arranged on the lower wire outgoing seat; and the moving electroconductive rod, the electroconductive clamp and the flexible couplings are electrically connected with the conductor in the lower wire outgoing seat. According to the utility model, by means of the plurality of flexible couplings arranged on the electroconductive clamp, current flowing through the moving electroconductive rod is dispersed to flow into the conductor of the lower wire outgoing seat, so that the problem of heat radiation difficulty caused by the overhigh temperature of the conductor is prevented under the condition that the rated current is increased; and in addition, due to the distribution of the plurality of flexible couplings, the moving electroconductive rod is stressed in a balancing way under a switching-on/off action, so that the system stability is enhanced.
Description
Technical field
The utility model relates to the electric switching system technical field, relates in particular to a kind of high voltage pole type vacuum circuit breaker of big electric current main conductive circuit.
Background technology
In recent years, switchgear develops towards highly reliable, non-maintaining, intelligent, miniaturization, long-life direction always, and the pole type vacuum circuit breaker is a kind of trend of switchgear.The pole type vacuum circuit breaker is through epoxide resin automatic pressure gel technology vacuum interrupter and last lower wire end all to be encapsulated in epoxy resin inside; Pole type has not only been simplified the assembly technology of pole; Avoided the connecting bolt of vacuum interrupter galvanic circle to cause the problem of becoming flexible owing to operational shock; Improved reliability, and the outer surface of vacuum interrupter is not subject to the influence of external mechanical force and external environment condition, further improved the situation of pole Electric Field Distribution.
General pole type vacuum circuit breaker comprises that pole uses operating mechanism with the circuit breaker that links to each other with pole; Pole comprises outlet seat up and down, conductor and the vacuum interrupter in the outlet seat up and down; The quiet conductive plate of conductor in the last outlet seat and vacuum interrupter electrically connects; The conductor in the following outlet seat and the moving conductive rod of vacuum interrupter electrically connect, and form main conductive circuit with this.If this kind pole type vacuum circuit breaker 10kV electric pressure, the rated current of that circuit breaker generally can only be 3150A and following grade, difficult having increased.But along with progress of science and technology; The electronic market also improves constantly pole type vacuum circuit breaker current class requirement; Existing circuit breaker has been difficult to satisfy the needs of China's power construction and improvement; And the raising of current class requires the thermal diffusivity in the primary conductive loop of pole type vacuum circuit breaker further to improve, and simultaneously the internal structure of vacuum interrupter and pole is had higher requirement, and this all is a problem demanding prompt solution.
Summary of the invention
The utility model technical problem to be solved is the problems referred to above that exist to existing pole type vacuum circuit breaker, provides a kind of perfect heat-dissipating, insulating properties high, the pole type vacuum circuit breaker of high rated current more.
For addressing the above problem, the technical scheme of the utility model is:
A kind of pole type vacuum circuit breaker; Comprise that pole uses operating mechanism with the circuit breaker that links to each other with pole; Said pole comprises outlet seat up and down, conductor and the vacuum interrupter in the outlet seat up and down, and the conductor in the last outlet seat electrically connects with the quiet conductive plate of vacuum interrupter, conductor that following outlet seat is interior and the electric connection of the moving conductive rod of vacuum interrupter; Be socketed with hollow conductive clip on the moving conductive rod of said vacuum interrupter; Conductive clip bottom is provided with and a plurality ofly is flexible coupling, said be flexible coupling be fixedly installed on down on the outlet seat, said moving conductive rod, conductive clip, be flexible coupling and conductor electric connection that following outlet seat is interior.
Preferably, the said outlet seat of going up is provided with not by the exposed part of epoxy resin parcel, on the said exposed part fin is installed.
The pole type vacuum circuit breaker of the utility model utilizes a plurality of of conductive clip setting to be flexible coupling; The electric current of the moving conductive rod of flowing through disperse to be flowed in the conductor of outlet seat down, under the situation that improves rated current, has avoided the electric conductor temperature too high and the problem that is difficult to dispel the heat occurs, fin the heat dispersion that has improved circuit breaker is set; And a plurality of distributions that are flexible coupling make moving conductive rod stress equalization in the divide-shut brake action; Increased the stability of system, the rated current of the utility model can reach 4000A, and rated short circuit drop-out current can reach 40kA; Satisfy the needs of China's power construction and improvement, adapted to the demand of current mains supply trend.
Description of drawings
Fig. 1 is the sectional structure sketch map of the utility model pole type vacuum circuit breaker.
Fig. 2 is the partial structurtes sketch map that the utility model conductive clip is installed.
Fig. 3 is the plan structure sketch map of the utility model conductive clip.
Embodiment
Below in conjunction with accompanying drawing and embodiment further explain the utility model, but the protection range of the utility model is not limited to this.
With reference to Fig. 1-3, the pole type vacuum circuit breaker of the utility model comprises that pole 1 and the circuit breaker that links to each other with pole are with operating mechanism 2.Comprise Mume flower contact 3 successively on the direction that said pole 1 flows by electric current, go up contact arm 4, go up outlet seat 5, vacuum interrupter 6, outlet seat 7, following contact arm 8 and following Mume flower contact 9 down; Vacuum interrupter 6 is provided with quiet conductive plate 6.1 and moving conductive rod 6.2; The bottom end face of moving conductive rod 6.2 is connected with insulating element 10, and insulating element 10 and circuit breaker are with operating mechanism 2 mechanical connections.
Said conductor and quiet conductive plate 6.1 electric connections of vacuum interrupter 6, the conductor of following outlet seat interior 7 and 6.2 electric connections of the moving conductive rod of vacuum interrupter 6 of going up in the outlet seat 5.Be socketed with the copper conductive clip 11 of hollow cylinder on the moving conductive rod 6.2 of said vacuum interrupter 6, the cross section of conductive clip 11 is a circular ring type, and conductive clip 11 is detachably connected on the moving conductive rod 6.2 through bolt assembly 11.2.The bottom of conductive clip 11 is provided with four and is flexible coupling 11.1, is flexible coupling 11.1 to be distributed on four vertical direction of bottom of conductive clip 11, and 11.1 the two ends of being flexible coupling removably connect with following outlet seat 7 through bolt assembly and conductive clip 11 respectively.The said outlet seat 5 of going up is provided with not by the exposed part of epoxy resin parcel; The good copper cooling fin 12 of heat radiation is installed on the said exposed part; The heat that galvanic circle in pole 1 produces through electric current; Can effectively dispel the heat away through fin 12, improve the reliability of circuit breaker.
The course of work of the utility model is: behind the breaker closing; Electric current is successively through the last Mume flower contact 3 of pole 1, last contact arm 4, last outlet seat 5, quiet conductive plate 6.1, fixed contact, moving contact, moving conductive rod 6.2; Then through being fastened on conductive clip 11 on the moving conductive rod 6.2, being flexible coupling 11.1; From outlet seat 7, contact arm 8 and 9 outflows of following Mume flower contact down down, form a complete current circuit at last.Four are flexible coupling and 11.1 are divided into four direction and install; The moving conductive rod 6.2 that not only makes vacuum interrupter 6 do close, during the separating brake motion stressed evenly; And increased effective electric interface; Make electric current disperse to flow in the following outlet seat 7 of pole 1, avoided the too high possibility of electric conductor temperature.
Claims (2)
1. pole type vacuum circuit breaker; Comprise that pole uses operating mechanism with the circuit breaker that links to each other with pole, said pole comprises outlet seat up and down, conductor and the vacuum interrupter in the outlet seat up and down, the quiet conductive plate electric connection of conductor in the last outlet seat and vacuum interrupter; The conductor in the following outlet seat and the moving conductive rod of vacuum interrupter electrically connect; It is characterized in that, be socketed with hollow conductive clip on the moving conductive rod of said vacuum interrupter, conductive clip bottom is provided with and a plurality ofly is flexible coupling; Said be flexible coupling be fixedly installed on down on the outlet seat, said moving conductive rod, conductive clip, be flexible coupling and following outlet seat in conductor electrically connect.
2. pole type vacuum circuit breaker according to claim 1 is characterized in that, the said outlet seat of going up is provided with not by the exposed part of epoxy resin parcel, on the said exposed part fin is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204733253U CN202332698U (en) | 2011-11-24 | 2011-11-24 | Embedded pole type vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204733253U CN202332698U (en) | 2011-11-24 | 2011-11-24 | Embedded pole type vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202332698U true CN202332698U (en) | 2012-07-11 |
Family
ID=46444670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204733253U Expired - Fee Related CN202332698U (en) | 2011-11-24 | 2011-11-24 | Embedded pole type vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202332698U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102800524A (en) * | 2012-08-09 | 2012-11-28 | 上海广电电气(集团)股份有限公司 | Solid-sealed polar pole with engineering plastic insulating casing |
| CN104332351A (en) * | 2014-06-30 | 2015-02-04 | 天津平高智能电气有限公司 | Soft connection device and embedded pole using the same |
| CN106935446A (en) * | 2015-12-31 | 2017-07-07 | 施耐德电气(厦门)开关设备有限公司 | Attachment means and circuit breaker polar |
| CN111223709A (en) * | 2018-11-27 | 2020-06-02 | 西门子股份公司 | Pole for vacuum circuit breaker and vacuum circuit breaker |
-
2011
- 2011-11-24 CN CN2011204733253U patent/CN202332698U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102800524A (en) * | 2012-08-09 | 2012-11-28 | 上海广电电气(集团)股份有限公司 | Solid-sealed polar pole with engineering plastic insulating casing |
| CN102800524B (en) * | 2012-08-09 | 2014-11-05 | 上海广电电气(集团)股份有限公司 | Solid-sealed polar pole with engineering plastic insulating casing |
| CN104332351A (en) * | 2014-06-30 | 2015-02-04 | 天津平高智能电气有限公司 | Soft connection device and embedded pole using the same |
| CN104332351B (en) * | 2014-06-30 | 2017-05-24 | 天津平高智能电气有限公司 | Soft connection device and embedded pole using the same |
| CN106935446A (en) * | 2015-12-31 | 2017-07-07 | 施耐德电气(厦门)开关设备有限公司 | Attachment means and circuit breaker polar |
| CN106935446B (en) * | 2015-12-31 | 2019-03-15 | 施耐德电气(厦门)开关设备有限公司 | Attachment device and circuit breaker polar |
| CN111223709A (en) * | 2018-11-27 | 2020-06-02 | 西门子股份公司 | Pole for vacuum circuit breaker and vacuum circuit breaker |
| CN111223709B (en) * | 2018-11-27 | 2022-01-11 | 西门子股份公司 | Pole for vacuum circuit breaker and vacuum circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20171124 |