CN202067720U - Vacuum circuit breaker for three-phase AC outdoor high voltage - Google Patents
Vacuum circuit breaker for three-phase AC outdoor high voltage Download PDFInfo
- Publication number
- CN202067720U CN202067720U CN2011201610783U CN201120161078U CN202067720U CN 202067720 U CN202067720 U CN 202067720U CN 2011201610783 U CN2011201610783 U CN 2011201610783U CN 201120161078 U CN201120161078 U CN 201120161078U CN 202067720 U CN202067720 U CN 202067720U
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- phase
- transmission
- kinematic link
- circuit breaker
- vacuum interrupter
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Abstract
The utility model relates to a vacuum circuit breaker for three-phase AC outdoor high voltage in a 40.5 kV power transmission and transformation system. The vacuum circuit breaker includes a grounding steel support, a mechanism case, a three-phase insulation tube, shells, a transmission box, a three-phase vacuum extinction chamber and a transmission connecting rod. An operation mechanism in the mechanism case connects with the three-phase vacuum extinction chamber through the transmission mechanism. The shells are arranged above each phase of the insulation tube respectively. The vacuum extinction chamber is disposed horizontally and communicates to the sides of the shells. The transmission mechanism includes a transmission connection rod, a coupler, a pull rod assembly and a brake separating spring. The mechanism case connects with the transmission connection rod through the pull rod assembly. At the same time, the transmission connection rod connects with the three-phase insulation tube through the transmission box. In the utility model, the air is adopted as the insulation medium of the circuit breaker. The vacuum circuit breaker in the utility model has advantages of small volume, low cost and the like. And the vacuum circuit break has no environmental pollution.
Description
Technical field
The utility model relates to a kind of three-phase alternating current outdoor high-voltage vacuum breaker of the 40.5kV of being applicable to power transmission and transformation system.
Background technology
In the transformer station of the most normal use 40.5kV of systems such as rural power, water power, colliery, oil, petrochemical industry, railway electric pressure, wherein three-phase alternating current 50Hz outdoor high-voltage vacuum breaker is to cut-off, close the normal and important power equipment of abnormal current that closes and carry in the electrical network in the transformer station.Primary cut-out on the present domestic power equipment market is that the sulfur hexafluoride gas-insulating circuit breaker accounts for the market mainstream basically.The SF6 insulating gas is a strong greenhouse gas, in 6 kinds of greenhouse gases that in the Kyoto Protocol that passed through in 1997, spell out, SF6 is that gas is the strongest a kind of of greenhouse effect, and its global warming coefficient is 23900 times of CO2, and the life-span in atmosphere is 3200 years.Simultaneously, dielectrics such as silicone oil are also adopted in insulation mostly in the high-pressure vacuum breaker, and silicone oil also is the material that environment is had certain pollution.In addition, the volume of SF6 insulation circuit breaker is bigger, and cost is higher.
Summary of the invention
The purpose of this utility model provides a kind of dielectric that adopts air as circuit breaker, environmentally safe, and volume is little, the three-phase alternating current outdoor high-voltage vacuum breaker that reduces cost.
The technical solution adopted in the utility model is: a kind of three-phase alternating current outdoor high-voltage vacuum breaker, comprise the ground connection steel bracket, mechanism case, the three phase isolated sleeve pipe, housing, transmission case, three-phase vacuum interrupter and kinematic link, mechanism case is arranged on the ground connection steel bracket, the three phase isolated sleeve pipe is evenly distributed on the top of ground connection steel bracket, operating mechanism in the mechanism case is connected with the three-phase vacuum interrupter by transmission mechanism, described housing is separately positioned on the top of every phase insulating sleeve and is communicated with insulating sleeve, described vacuum interrupter is for being horizontally disposed with, and is communicated in the sidepiece of housing; Described transmission mechanism comprises kinematic link, shaft coupling, pull bar assembling and tripping spring, described operating mechanism is connected with kinematic link by the pull bar assembling, kinematic link is provided with transmission case and shaft coupling, kinematic link is connected with the three-phase vacuum interrupter by transmission case simultaneously, described tripping spring one end is connected the end of kinematic link, and the other end of tripping spring is installed on the ground connection steel bracket.
Described transmission case comprises insulated tension pole, turns to connecting lever and guide post, described insulated tension pole bottom is connected with kinematic link, insulated tension pole top extend in the housing and by turning to connecting lever to be connected with the guide post of horizontally set, and guide post is connected with vacuum interrupter.
Because the utility model saves traditional insulating sleeve and the dielectric SF6 gas in the housing, replace by air, environmentally safe, simultaneously the three-phase vacuum interrupter is horizontally disposed with, and be connected with kinematic link by pull bar assembling by operating mechanism, transmission case and shaft coupling are set on kinematic link, are connected with the three-phase vacuum interrupter simultaneously by transmission case by kinematic link again.This structure not only reduces the complete machine height, reduces volume, and is convenient to connect other power equipments, thereby has reduced cost and project cost.
Description of drawings
Fig. 1 is a schematic diagram of the present utility model.
Fig. 2 is the left view of Fig. 1.
Embodiment
Now in conjunction with the accompanying drawings the utility model is further described, Fig. 1 is a kind of embodiment of the present utility model, comprises ground connection steel bracket 1, mechanism case 2, three phase isolated sleeve pipe 3, housing 19, transmission case 16, three-phase vacuum interrupter 13 and kinematic link 14 etc.Mechanism case 2 is arranged on the ground connection steel bracket 1, and three phase isolated sleeve pipe 3 is evenly distributed on the top of ground connection steel bracket 1, and the operating mechanism in the mechanism case 2 is connected with three-phase vacuum interrupter 13 by transmission mechanism.Described housing 19 is the threeway shape, and housing 19 is separately positioned on the top of every phase insulating sleeve 3 and is communicated with insulating sleeve 3.Described vacuum interrupter 13 is for being horizontally disposed with, and is communicated in a sidepiece of housing 19, and the opposite side of housing 19 is then installed terminal block 5, and terminal block 5 is used for connecting with other power equipments, rises to connect electric action.Described transmission mechanism comprises kinematic link 14, shaft coupling 15, pull bar assembling 17 and tripping spring 18, operating mechanism in the mechanism case 2 is connected with kinematic link 14 by pull bar assembling 17, kinematic link 14 is provided with transmission case 16 and shaft coupling 15, kinematic link 14 is connected with three-phase vacuum interrupter 13 by transmission case 16 simultaneously, described tripping spring 18 1 ends are connected the end of kinematic link 14, the other end of tripping spring 18 is installed on the ground connection steel bracket 1, and tripping spring 18 is used for the dynamical system of vacuum interrupter 13 separating brakes action.Transmission case 16 in the present embodiment comprises insulated tension pole 6, turns to connecting lever 8 and guide post 11, described insulated tension pole 6 bottoms are connected with kinematic link 14, insulated tension pole 6 tops extend in the housing 19 and by turning to connecting lever 8 to be connected with the guide post 11 of horizontally set, and guide post 11 is connected with vacuum interrupter 13.
When the utility model uses, operating mechanism in the opener case 2, operating mechanism drives kinematic link 14 by pull bar assembling 17 and rotates, see Fig. 2, owing to be provided with shaft coupling 15 and transmission case 16 on the kinematic link 14, just drive transmission case 16 work of transmission simultaneously of three-phase simultaneously, both driving insulated tension pole 6 earlier by kinematic link 14 moves up and down, insulated tension pole 6 moves horizontally by turning to connecting lever 8 to drive guide post 11, the moving contact that is driven in the vacuum interrupter 13 by guide post 11 moves, thereby realizes the separating brake or the combined floodgate of circuit breaker.The utility model adopts the dielectric of air as circuit breaker owing to save SF6 gas as dielectric, and minimizing SF6 gas etc. are to the pollution of environment; Because the improvement of each parts of the utility model on layout reduced the complete machine height, reduce volume in addition, be convenient to connect other power equipments, thereby reduced cost and project cost.
The utility model adopts the dielectric of air as circuit breaker, has environmentally safe, and volume is little, and characteristics such as reduce cost.
Claims (2)
1. three-phase alternating current outdoor high-voltage vacuum breaker, comprise ground connection steel bracket, mechanism case, three phase isolated sleeve pipe, housing, transmission case, three-phase vacuum interrupter and kinematic link, mechanism case is arranged on the ground connection steel bracket, the three phase isolated sleeve pipe is evenly distributed on the top of ground connection steel bracket, operating mechanism in the mechanism case is connected with the three-phase vacuum interrupter by transmission mechanism, it is characterized in that: described housing is separately positioned on the top of every phase insulating sleeve and is communicated with insulating sleeve, described vacuum interrupter is for being horizontally disposed with, and is communicated in the sidepiece of housing; Described transmission mechanism comprises kinematic link, shaft coupling, pull bar assembling and tripping spring, described operating mechanism is connected with kinematic link by the pull bar assembling, kinematic link is provided with transmission case and shaft coupling, kinematic link is connected with the three-phase vacuum interrupter by transmission case simultaneously, described tripping spring one end is connected the end of kinematic link, and the other end of tripping spring is installed on the ground connection steel bracket.
2. described three-phase alternating current outdoor high-voltage vacuum breaker according to claim 1, it is characterized in that: described transmission case comprises insulated tension pole, turns to connecting lever and guide post, described insulated tension pole bottom is connected with kinematic link, insulated tension pole top extend in the housing and by turning to connecting lever to be connected with the guide post of horizontally set, and guide post is connected with vacuum interrupter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201610783U CN202067720U (en) | 2011-05-19 | 2011-05-19 | Vacuum circuit breaker for three-phase AC outdoor high voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201610783U CN202067720U (en) | 2011-05-19 | 2011-05-19 | Vacuum circuit breaker for three-phase AC outdoor high voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202067720U true CN202067720U (en) | 2011-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201610783U Expired - Lifetime CN202067720U (en) | 2011-05-19 | 2011-05-19 | Vacuum circuit breaker for three-phase AC outdoor high voltage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202067720U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623232A (en) * | 2012-04-14 | 2012-08-01 | 鞍山北科电气有限公司 | Three-phase transferring outdoor high voltage vacuum breaker of 40.5 KV |
| CN102623235A (en) * | 2012-04-14 | 2012-08-01 | 鞍山北科电气有限公司 | Outdoor high voltage vacuum breaker of 40.5 KV |
| CN102664119A (en) * | 2012-04-14 | 2012-09-12 | 鞍山北科电气有限公司 | 40.5KV single-phase outdoor high-voltage vacuum circuit breaker |
| CN103021730A (en) * | 2012-12-10 | 2013-04-03 | 山东鼎鑫电气科技有限公司 | Three-phase alternating-current 50Hz outdoor high-pressure vacuum circuit breaker (VCB) |
-
2011
- 2011-05-19 CN CN2011201610783U patent/CN202067720U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623232A (en) * | 2012-04-14 | 2012-08-01 | 鞍山北科电气有限公司 | Three-phase transferring outdoor high voltage vacuum breaker of 40.5 KV |
| CN102623235A (en) * | 2012-04-14 | 2012-08-01 | 鞍山北科电气有限公司 | Outdoor high voltage vacuum breaker of 40.5 KV |
| CN102664119A (en) * | 2012-04-14 | 2012-09-12 | 鞍山北科电气有限公司 | 40.5KV single-phase outdoor high-voltage vacuum circuit breaker |
| CN102623235B (en) * | 2012-04-14 | 2014-06-04 | 鞍山北科电气有限公司 | Outdoor high voltage vacuum breaker of 40.5 KV |
| CN103021730A (en) * | 2012-12-10 | 2013-04-03 | 山东鼎鑫电气科技有限公司 | Three-phase alternating-current 50Hz outdoor high-pressure vacuum circuit breaker (VCB) |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111207 |