CN204067166U - A kind of novel 126kV self extinguishing type SF6 primary cut-out - Google Patents
A kind of novel 126kV self extinguishing type SF6 primary cut-out Download PDFInfo
- Publication number
- CN204067166U CN204067166U CN201420357043.0U CN201420357043U CN204067166U CN 204067166 U CN204067166 U CN 204067166U CN 201420357043 U CN201420357043 U CN 201420357043U CN 204067166 U CN204067166 U CN 204067166U
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- pole
- arc
- crank arm
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Abstract
The utility model discloses a kind of novel 126kV self extinguishing type SF6 primary cut-out, the support comprise base, being positioned at lower end, described base both sides, the spring operating mechanism being positioned at the pole above described base and being positioned at below described base, be positioned at three pole connectivity trachea and density meters of described base, it is characterized in that: described pole comprises the lower supporting rod unit of the described arc extinguishing unit of arc extinguishing unit, crank arm box and connection and crank arm box; Described arc extinguishing unit comprises wire outlet seat, static arc contact, interrupting porcelain insulator, pull rod shaft, lower wire outlet seat, large spout, little spout, moving contact and air cylinder.Usefulness of the present utility model is: the increase of static arc contact diameter improves the arc ablation resistance ability of circuit breaker effectively, extends electrical endurance; Opening apart from increasing between static arc contact and moving contact, increases the redundancy after cut-offfing, improves insulation property; Rated pressure is low, reduces SF6 gas use amount, meets the developing direction of energy-conserving and environment-protective.
Description
Technical field
The utility model relates to a kind of circuit breaker, is specifically related to a kind of novel 126kV self extinguishing type SF6 primary cut-out.
Background technology
Current 126kV self extinguishing type primary cut-out mainly adopts high pressure SF6 gas as arc extinguishing, dielectric, and its structure is primarily of upper wire outlet seat, static arc contact, interrupting porcelain insulator, pull rod shaft, lower wire outlet seat, large spout, little spout, moving contact, air cylinder, insulated tension pole, strut porcelain bushing, crank arm box, connector, splined shaft, interior connecting lever, base, spring operating mechanism, support composition.This arc-control device adopts self extinguishing type arc quenching principle, the circuit breaker of this self extinguishing type arc quenching principle, requires all higher to electrical endurance, insulation level, sealing property.
Utility model content
For solving the deficiencies in the prior art, the SF6 primary cut-out that the purpose of this utility model is to provide a kind of arc ablation resistance ability and insulation property are better, rated pressure and the low 126kV electric pressure of locking pressure adopt self extinguishing type arc quenching principle arc extinguishing.
In order to realize above-mentioned target, the utility model adopts following technical scheme:
A kind of novel 126kV self extinguishing type SF6 primary cut-out, comprise base, be positioned at the support of lower end, described base both sides, be positioned at pole above described base, be positioned at the spring operating mechanism below described base and be positioned at three pole connectivity trachea and density meters of described base, it is characterized in that: described pole comprises arc extinguishing unit, crank arm box unit and is connected the lower supporting rod unit of described arc extinguishing unit and crank arm box unit; Described arc extinguishing unit comprises wire outlet seat, static arc contact, interrupting porcelain insulator, pull rod shaft, lower wire outlet seat, large spout, little spout, moving contact and air cylinder; The diameter of described static arc contact is set to 24-26mm; Distance between described static arc contact and moving contact is not less than 108mm; The rated pressure of circuit breaker is set to 0.55-0.56MPa.
Aforesaid one novel 126kV self extinguishing type SF6 primary cut-out, is characterized in that: described lower supporting rod unit comprises strut porcelain bushing and is positioned at the insulated tension pole of described strut porcelain bushing.
Aforesaid one novel 126kV self extinguishing type SF6 primary cut-out, is characterized in that: described crank arm box unit comprises crank arm box, connects the connector of described insulated tension pole, the splined shaft of interior connecting lever and fixing described interior connecting lever one end.
Aforesaid one novel 126kV self extinguishing type SF6 primary cut-out, is characterized in that: described pole is designed with three poles.
Usefulness of the present utility model is: the increase of static arc contact diameter improves the arc ablation resistance ability of circuit breaker effectively, extends electrical endurance; Opening apart from increasing between static arc contact and moving contact, increases the redundancy after cut-offfing, improves insulation property; Rated pressure is low, reduces SF6 gas use amount, meets the developing direction of energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the present utility model;
Fig. 2 is arc quenching chamber structure schematic diagram;
Fig. 3 is insulation column structural representation.
The implication of Reference numeral in figure:
1-arc extinguishing unit, 2-lower supporting rod unit, 3-crank arm box unit, 4-base, 5-spring operating mechanism, 6-support, the upper wire outlet seat of 7-, 8-static arc contact, 9-interrupting porcelain insulator, 10-pull rod shaft, wire outlet seat under 11-, the large shower nozzle of 12-, 13-moving contact, 14-air cylinder, 15-insulated tension pole, 16-strut porcelain bushing, 17-crank arm box, 18-connector, 19-splined shaft, connecting lever in 20-, the little shower nozzle of 21-.
Embodiment
Below in conjunction with the drawings and specific embodiments, concrete introduction is done to the utility model.
A kind of novel 126kV self extinguishing type SF6 primary cut-out, comprises base 4, support 6, pole and spring operating mechanism 5.Support 6 is positioned at lower end, base 4 both sides, spring operating mechanism 5 is positioned at below base 4, pole is positioned at above base 4, three poles are communicated with by tracheae, whole circuit breaker internal fills with rated pressure the primary cut-out of the SF6 gas being 0.56MPa, rated pressure is low, reduces SF6 gas use amount, meets the developing direction of energy-conserving and environment-protective.
One pole post comprises arc extinguishing unit 1, crank arm box unit 3 and lower supporting rod unit 2.Lower supporting rod unit 2 connects arc extinguishing unit 1 and crank arm box unit 3.Arc extinguishing unit 1 comprises wire outlet seat 7, static arc contact 8, interrupting porcelain insulator 9, pull rod shaft 10, lower wire outlet seat 11, large spout 12, little spout 21, moving contact 13 and air cylinder 14.
The diameter design of static arc contact 8 is 24-26mm, effectively improves the arc ablation resistance ability of circuit breaker, extends electrical endurance.Distance between static arc contact 8 and moving contact 13 is set to be not less than 108mm, and opening between static arc contact 8 and moving contact 13 can increase the redundancy after cut-offfing apart from increasing, and improves insulation property.
Lower supporting rod unit 2 comprises strut porcelain bushing 16 and is positioned at the insulated tension pole 15 of strut porcelain bushing 16.Crank arm box unit 3 comprises crank arm box 17, the connector 18 connecting insulated tension pole 15, interior connecting lever 20 and fixes the splined shaft 19 of interior connecting lever 20 one end.
Pole is provided with three poles, is distributed in above base 4.
Support 6 is connected by M16 bolt with base 4.
Spring operating mechanism 5 is connected by M20 bolt with base 4.
More than show and describe general principle of the present utility model, principal character and advantage.The technical staff of the industry should understand, and above-described embodiment does not limit the utility model in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection range of the present utility model.
Claims (4)
1. a novel 126kV self extinguishing type SF6 primary cut-out, comprise base, be positioned at the support of lower end, described base both sides, be positioned at pole above described base, be positioned at the spring operating mechanism below described base and be positioned at three pole connectivity trachea and density meters of described base, it is characterized in that: described pole comprises arc extinguishing unit, crank arm box unit and is connected the lower supporting rod unit of described arc extinguishing unit and crank arm box unit; Described arc extinguishing unit comprises wire outlet seat, static arc contact, interrupting porcelain insulator, pull rod shaft, lower wire outlet seat, large spout, little spout, moving contact and air cylinder; The diameter of described static arc contact is set to 24-26mm; Distance between described static arc contact and moving contact is not less than 108mm; The rated pressure of circuit breaker is set to 0.55-0.56MPa.
2. one according to claim 1 novel 126kV self extinguishing type SF6 primary cut-out, is characterized in that: described lower supporting rod unit comprises strut porcelain bushing and is positioned at the insulated tension pole of described strut porcelain bushing.
3. one according to claim 1 novel 126kV self extinguishing type SF6 primary cut-out, is characterized in that: described crank arm box unit comprises crank arm box, connects the connector of described insulated tension pole, the splined shaft of interior connecting lever and fixing described interior connecting lever one end.
4. one according to claim 1 novel 126kV self extinguishing type SF6 primary cut-out, is characterized in that: described pole is designed with three poles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420357043.0U CN204067166U (en) | 2014-07-01 | 2014-07-01 | A kind of novel 126kV self extinguishing type SF6 primary cut-out |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420357043.0U CN204067166U (en) | 2014-07-01 | 2014-07-01 | A kind of novel 126kV self extinguishing type SF6 primary cut-out |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204067166U true CN204067166U (en) | 2014-12-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420357043.0U Expired - Fee Related CN204067166U (en) | 2014-07-01 | 2014-07-01 | A kind of novel 126kV self extinguishing type SF6 primary cut-out |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204067166U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105390329A (en) * | 2015-11-19 | 2016-03-09 | 平高集团有限公司 | Column type circuit breaker housing and column type circuit breaker using column type circuit breaker housing |
-
2014
- 2014-07-01 CN CN201420357043.0U patent/CN204067166U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105390329A (en) * | 2015-11-19 | 2016-03-09 | 平高集团有限公司 | Column type circuit breaker housing and column type circuit breaker using column type circuit breaker housing |
| CN105390329B (en) * | 2015-11-19 | 2018-03-23 | 平高集团有限公司 | A kind of column type circuit breaker housing and the column type circuit breaker using the Shell of 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 |
Granted publication date: 20141231 Termination date: 20160701 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |