CN204242928U - A kind of indoor high-voltage vacuum circuit breaker - Google Patents
A kind of indoor high-voltage vacuum circuit breaker Download PDFInfo
- Publication number
- CN204242928U CN204242928U CN201420612265.2U CN201420612265U CN204242928U CN 204242928 U CN204242928 U CN 204242928U CN 201420612265 U CN201420612265 U CN 201420612265U CN 204242928 U CN204242928 U CN 204242928U
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- China
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- wire outlet
- outlet seat
- moving contact
- vacuum interrupter
- conductive rod
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Abstract
The utility model relates to a kind of indoor high-voltage vacuum circuit breaker, it comprises upper bracket and lower carriage, upper bracket is connected on wire outlet seat, upper wire outlet seat is connected with the upper line-outgoing arm be integrated with upper wire outlet seat, lower carriage is connected on lower wire outlet seat, lower wire outlet seat is connected with the lower line-outgoing arm be integrated with lower wire outlet seat, upper bracket and lower carriage are on insulating cylinder, vacuum interrupter is arranged at insulating cylinder top, there is quiet end casing insulation crust upper end in vacuum interrupter, there is static conductive rod quiet end casing lower end, static conductive rod is connected with fixed contact, moving contact is had below fixed contact, moving contact outer wall there is longitudinal gas pressure relief slot, bellows is had outside moving contact, moving contact is connected with moved end cover plate, moved end cover plate is connected with moving conductive rod, fairlead is had outside moving conductive rod, layer of silica gel is had between vacuum interrupter and insulation crust, vacuum interrupter lower end has and is flexible coupling, there is insulated tension pole the lower end that is flexible coupling, it is good that total the utility model has insulation effect, primary circuit resistance is little, the advantage of release oil pressure.
Description
Technical field
The utility model belongs to breaker technical field, is specifically related to a kind of vacuum circuit-breaker, particularly a kind of indoor high-voltage vacuum circuit breaker.
Background technology
Vacuum circuit-breaker is strong with its connecting-disconnecting function, life-span is long, use safety, safeguard simple, the plurality of advantages such as non-environmental-pollution, and be used widely in middle pressure field, connection between each part in primary circuit of traditional high-pressure vacuum breaker is a lot, the resistance of primary circuit is very large, moving contact in vacuum interrupter simultaneously in vacuum circuit-breaker can produce pressure when moving and between the oil poured into, simultaneously because moved end is outside equipped with fairlead, this pressure is made to be difficult to release, therefore one can reduce circuit breaker primary circuit resistance, the vacuum circuit-breaker of release arc control device internal pressure just has Practical significance very much.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and provide a kind of primary circuit resistance value little, can the indoor high-voltage vacuum circuit breaker of release pressure.
The purpose of this utility model is achieved in that a kind of indoor high-voltage vacuum circuit breaker, it comprises upper bracket and lower carriage, described upper bracket is connected on wire outlet seat, described upper wire outlet seat is connected with the upper line-outgoing arm be integrated with upper wire outlet seat, described lower carriage is connected on lower wire outlet seat, described lower wire outlet seat is connected with the lower line-outgoing arm be integrated with lower wire outlet seat, and described upper bracket and lower carriage are arranged on insulating cylinder, and described insulating cylinder top is provided with vacuum interrupter;
Described vacuum interrupter, it comprises insulation crust, described insulation crust upper end is provided with quiet end casing, described quiet end casing lower end is provided with static conductive rod, described static conductive rod is connected with fixed contact, moving contact is provided with below described fixed contact, described moving contact outer wall is provided with longitudinal gas pressure relief slot, described moving contact is outside equipped with bellows, described moving contact is connected with moved end cover plate, described moved end cover plate is connected with moving conductive rod, and described moving conductive rod is outside equipped with fairlead;
Be provided with layer of silica gel between described vacuum interrupter and insulation crust, described vacuum interrupter lower end is connected with and is flexible coupling, and the described lower end that is flexible coupling is connected with insulated tension pole.
Described upper line-outgoing arm and lower line-outgoing arm are circular.
Described moving contact and fixed contact are outside equipped with main shield cover, and described main shield cover is arranged on insulation crust inwall.
When described moving contact is in top dead centre, described gas pressure relief slot lower end is positioned at the below of described fairlead, and when described moving contact is in lower dead center, described gas pressure relief slot upper end is positioned at the top of described fairlead.
Described gas pressure relief slot is at least two.
The beneficial effects of the utility model: the utility model adopts upper wire outlet seat and upper line-outgoing arm to be integrated, with wire outlet seat and lower line-outgoing arm are integrated at present, so not only make the installation and maintenance of circuit breaker more easy, resistance value size in circuit breaker primary circuit can be reduced simultaneously, the conductive capability of primary circuit can be improved greatly, result of use is fairly obvious, vacuum interrupter can rapid blow-out suppress electric current after high-tension line is cut off the electricity supply, avoid accident and unexpected generation, gas pressure relief slot on moving contact in vacuum interrupter can be released in the oil pressure produced in moving contact motion process, layer of silica gel is provided with between vacuum interrupter and insulating cylinder, make the insulation effect of short-circuiting device better like this, it is simple that total the utility model has structure, insulation effect is good, primary circuit resistance is little, the advantage of release oil pressure.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of vacuum interrupter in the utility model.
In figure: 1, upper bracket 101, upper wire outlet seat 102, upper line-outgoing arm 2, lower carriage 201, lower wire outlet seat 202, lower line-outgoing arm 3, insulating cylinder 4, vacuum interrupter 5, insulation crust 6, quiet end casing 601, static conductive rod 602, fixed contact 7, moving contact 701, moved end cover plate 702, moving conductive rod 8, gas pressure relief slot 9, bellows 10, fairlead 11, silica gel sheath 12, be flexible coupling 13, insulated tension pole 14, main shield cover.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
Embodiment 1
As depicted in figs. 1 and 2, a kind of indoor high-voltage vacuum circuit breaker, it comprises upper bracket 1 and lower carriage 2, described upper bracket 1 is connected on wire outlet seat 101, described upper wire outlet seat 101 is connected with the upper line-outgoing arm 102 be integrated with upper wire outlet seat 101, described lower carriage 2 is connected on lower wire outlet seat 201, described lower wire outlet seat 201 is connected with the lower line-outgoing arm 202 be integrated with lower wire outlet seat 201, described upper bracket 1 and lower carriage 2 are arranged on insulating cylinder 3, and described insulating cylinder 3 top is provided with vacuum interrupter 4;
Described vacuum interrupter 4, it comprises insulation crust 5, described insulation crust 5 upper end is provided with quiet end casing 6, described quiet end casing 6 lower end is provided with static conductive rod 601, described static conductive rod 601 is connected with fixed contact 602, moving contact 7 is provided with below described fixed contact 602, described moving contact 7 outer wall is provided with longitudinal gas pressure relief slot 8, described moving contact 7 is outside equipped with bellows 9, described moving contact 7 is connected with moved end cover plate 701, described moved end cover plate 701 is connected with moving conductive rod 702, described moving conductive rod 702 is outside equipped with fairlead 10,
Be provided with layer of silica gel 11 between described vacuum interrupter 4 and insulation crust 5, described vacuum interrupter 4 lower end is connected with and is flexible coupling 12, and described 12 lower ends that are flexible coupling are connected with insulated tension pole 13.
The utility model is in use: after vacuum circuit-breaker switches on power, vacuum circuit-breaker is integrated due to upper wire outlet seat and upper line-outgoing arm, lower wire outlet seat and lower line-outgoing arm are integrated, greatly reduce the contact resistance value in vacuum circuit-breaker primary circuit, greatly improve the electric conductivity of vacuum circuit-breaker, decrease assembling and the field-strip time of circuit breaker simultaneously, vacuum interrupter can in vacuum circuit-breaker rapid blow-out suppress electric current after high-tension line is cut off the electricity supply, avoid accident and unexpected generation, gas pressure relief slot on moving contact in vacuum interrupter can be released in the oil pressure produced in moving contact motion process, layer of silica gel is provided with between vacuum interrupter and insulating cylinder, make the insulation effect of short-circuiting device better like this, it is simple that total the utility model has structure, insulation effect is good, the advantage that primary circuit resistance is little.
Embodiment 2
As depicted in figs. 1 and 2, a kind of indoor high-voltage vacuum circuit breaker, it comprises upper bracket 1 and lower carriage 2, described upper bracket 1 is connected on wire outlet seat 101, described upper wire outlet seat 101 is connected with the upper line-outgoing arm 102 be integrated with upper wire outlet seat 101, described lower carriage 2 is connected on lower wire outlet seat 201, described lower wire outlet seat 201 is connected with the lower line-outgoing arm 202 be integrated with lower wire outlet seat 201, described upper bracket 1 and lower carriage 2 are arranged on insulating cylinder 3, and described insulating cylinder 3 top is provided with vacuum interrupter 4;
Described vacuum interrupter 4, it comprises insulation crust 5, described insulation crust 5 upper end is provided with quiet end casing 6, described quiet end casing 6 lower end is provided with static conductive rod 601, described static conductive rod 601 is connected with fixed contact 602, moving contact 7 is provided with below described fixed contact 602, described moving contact 7 outer wall is provided with longitudinal gas pressure relief slot 8, described moving contact 7 is outside equipped with bellows 9, described moving contact 7 is connected with moved end cover plate 701, described moved end cover plate 701 is connected with moving conductive rod 702, described moving conductive rod 702 is outside equipped with fairlead 10,
Be provided with layer of silica gel 11 between described vacuum interrupter 4 and insulation crust 5, described vacuum interrupter 4 lower end is connected with and is flexible coupling 12, and described 12 lower ends that are flexible coupling are connected with insulated tension pole 13.
Described upper line-outgoing arm 102 and lower line-outgoing arm 202 are circular.
Described moving contact 7 and fixed contact 602 are outside equipped with main shield cover 14, and described main shield cover 14 is arranged on insulation crust 5 inwall.
When described moving contact 7 is in top dead centre, described gas pressure relief slot 8 lower end is positioned at the below of described fairlead 10, and when described moving contact 7 is in lower dead center, described gas pressure relief slot 8 upper end is positioned at the top of described fairlead 10.
Described gas pressure relief slot 8 is at least two.
The utility model is in use: after vacuum circuit-breaker switches on power, vacuum circuit-breaker is integrated due to upper wire outlet seat and upper line-outgoing arm, lower wire outlet seat and lower line-outgoing arm are integrated, greatly reduce the contact resistance value in vacuum circuit-breaker primary circuit, greatly improve the electric conductivity of vacuum circuit-breaker, decrease assembling and the field-strip time of circuit breaker simultaneously, vacuum interrupter can in vacuum circuit-breaker rapid blow-out suppress electric current after high-tension line is cut off the electricity supply, avoid accident and unexpected generation, the impact of the electric arc that the main shield cover outside moving contact and fixed contact can protect insulation crust not produced, gas pressure relief slot on moving contact in vacuum interrupter can be released in the oil pressure produced in moving contact motion process, ensure any time in moving contact motion process simultaneously, gas pressure relief slot always makes the inside of vacuum interrupter communicate with outside, make the longer service life of vacuum interrupter simultaneously more stable, layer of silica gel is provided with between vacuum interrupter and insulating cylinder, make the insulation effect of short-circuiting device better like this, it is simple that total the utility model has structure, insulation effect is good, primary circuit resistance is little, the advantage of release oil pressure.
Claims (5)
1. an indoor high-voltage vacuum circuit breaker, it comprises upper bracket and lower carriage, it is characterized in that: described upper bracket is connected on wire outlet seat, described upper wire outlet seat is connected with the upper line-outgoing arm be integrated with upper wire outlet seat, described lower carriage is connected on lower wire outlet seat, described lower wire outlet seat is connected with the lower line-outgoing arm be integrated with lower wire outlet seat, and described upper bracket and lower carriage are arranged on insulating cylinder, and described insulating cylinder top is provided with vacuum interrupter; Described vacuum interrupter, it comprises insulation crust, described insulation crust upper end is provided with quiet end casing, described quiet end casing lower end is provided with static conductive rod, described static conductive rod is connected with fixed contact, moving contact is provided with below described fixed contact, described moving contact outer wall is provided with longitudinal gas pressure relief slot, described moving contact is outside equipped with bellows, described moving contact is connected with moved end cover plate, described moved end cover plate is connected with moving conductive rod, and described moving conductive rod is outside equipped with fairlead; Be provided with layer of silica gel between described vacuum interrupter and insulation crust, described vacuum interrupter lower end is connected with and is flexible coupling, and the described lower end that is flexible coupling is connected with insulated tension pole.
2. a kind of indoor high-voltage vacuum circuit breaker according to claim 1, is characterized in that: described upper line-outgoing arm and lower line-outgoing arm are for circular.
3. a kind of indoor high-voltage vacuum circuit breaker according to claim 1, is characterized in that: described moving contact and fixed contact are outside equipped with main shield cover, described main shield cover is arranged on insulation crust inwall.
4. a kind of indoor high-voltage vacuum circuit breaker according to claim 1, it is characterized in that: when described moving contact is in top dead centre, described gas pressure relief slot lower end is positioned at the below of described fairlead, when described moving contact is in lower dead center, described gas pressure relief slot upper end is positioned at the top of described fairlead.
5. a kind of indoor high-voltage vacuum circuit breaker according to claim 1, is characterized in that: described gas pressure relief slot is at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420612265.2U CN204242928U (en) | 2014-10-22 | 2014-10-22 | A kind of indoor high-voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420612265.2U CN204242928U (en) | 2014-10-22 | 2014-10-22 | A kind of indoor high-voltage vacuum circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN204242928U true CN204242928U (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420612265.2U Active CN204242928U (en) | 2014-10-22 | 2014-10-22 | A kind of indoor high-voltage vacuum circuit breaker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111712893A (en) * | 2018-02-08 | 2020-09-25 | 赖茵豪森机械制造公司 | Switching element for a tap changer and tap changer |
-
2014
- 2014-10-22 CN CN201420612265.2U patent/CN204242928U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111712893A (en) * | 2018-02-08 | 2020-09-25 | 赖茵豪森机械制造公司 | Switching element for a tap changer and tap changer |
| CN111712893B (en) * | 2018-02-08 | 2023-09-01 | 赖茵豪森机械制造公司 | Switching element for a tap changer and tap changer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 450000 building 39, international enterprise port, 25th Street, hanghai East Road, Zhengzhou Economic and Technological Development Zone, Henan Province Patentee after: Henan Sanhe Electric Group Co.,Ltd. Address before: 450000 no.749, 7th floor, unit 2, building 60, No.2, hanghai East Road, Guancheng District, Zhengzhou City, Henan Province Patentee before: HENAN SANHE ELECTRICAL Co.,Ltd. |
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| CP03 | Change of name, title or address |