CN204732340U - A kind of high-voltage alternating demarcation circuit breaker insulation booth - Google Patents
A kind of high-voltage alternating demarcation circuit breaker insulation booth Download PDFInfo
- Publication number
- CN204732340U CN204732340U CN201520470561.8U CN201520470561U CN204732340U CN 204732340 U CN204732340 U CN 204732340U CN 201520470561 U CN201520470561 U CN 201520470561U CN 204732340 U CN204732340 U CN 204732340U
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- CN
- China
- Prior art keywords
- circuit breaker
- box body
- voltage alternating
- insulation booth
- lid
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Abstract
The utility model proposes a kind of high-voltage alternating demarcation circuit breaker insulation booth, it comprises box body and lid; Box body is provided with an entrance hole and a wire hole, entrance hole and wire hole are separately positioned on two relative sidewalls; Lid is arranged on the top of box body, and it comprises tegmental wall and top board, and the middle part of top board is provided with the through hole supplying the insulated tension pole of circuit breaker to pass through.The arc control device of high-voltage alternating demarcation circuit breaker are arranged in box body, and the insulated tension pole of circuit breaker stretches out insulation booth by the through hole on the top board of lid; The utility model structure is simple, increase creepage distance, improve arc extinction performance, the inner all electrification in high voltage parts of high-voltage alternating demarcation circuit breaker are all in insulation booth, increase creepage distance, circuit breaker cut-offs middle electric arc and does not expose, can not electric elements in pollution and harm case, thus improves the class of insulation of high-voltage alternating demarcation circuit breaker.
Description
Technical field:
The utility model relates to a kind of circuit breaker insulation booth, is specially a kind of high-voltage alternating demarcation circuit breaker insulation booth.
Background technology:
High-voltage alternating demarcation circuit breaker is switchgear conventional in electrical system, its structure mainly comprises operating mechanism, arc control device and transmission mechanism etc., to have point, closing speed is fast, fast and effeciently can control the break-make of electrical system, be widely used in high-voltage electric system.Because the connecting portion electric field laid between the insulation assembly of arc control device and Shell of circuit breaker is unstable, easy generation partial discharge phenomenon, affect insulation property and the useful life of insulation assembly, for solving this problem, vacuum interrupter has been arranged in insulation booth by technical staff, improves the fail safe of circuit breaker.
Three insulation booths are generally provided with in the casing of high-voltage alternating demarcation circuit breaker, insulation booth is unenclosed construction, owing to being subject to the restriction of casing own dimensions, insulation booth and insulation booth, comparatively compact between insulation booth and electric elements, close together, circuit breaker point, in making process, electric arc still likely exposes, thus the electric elements in pollution and harm case, the fail safe of circuit breaker still can not be guaranteed.
Summary of the invention:
The purpose of this utility model is to provide a kind of high-voltage alternating demarcation circuit breaker insulation booth, solve in prior art because insulation booth is unenclosed construction, and it is insulation booth and insulation booth, comparatively compact between insulation booth and electric elements, insulation distance is nearer, circuit breaker point, in making process, electric arc still likely exposes, thus the electric elements in pollution and harm case, the fail safe of circuit breaker still can not guaranteed problem.
To achieve these goals, technical solution of the present utility model is: a kind of high-voltage alternating demarcation circuit breaker insulation booth, and it comprises box body and lid; Box body is provided with an entrance hole and a wire hole, entrance hole and wire hole are separately positioned on two relative sidewalls, and box body is provided with installation screw; Lid is arranged on the top of box body, and it comprises tegmental wall and top board, and the middle part of top board is provided with the through hole supplying the insulated tension pole of circuit breaker to pass through.
The arc control device of high-voltage alternating demarcation circuit breaker are arranged in box body, and the insulated tension pole of circuit breaker stretches out insulation booth by the through hole on the top board of lid.
Because the upper end at box body is provided with lid, enhance the sealing of insulation booth, arc control device are arranged in box body, be in the state of opposing seal, therefore the utility model insulation booth increases creepage distance, improves arc extinction performance, and circuit breaker cut-offs middle electric arc and do not expose, can not electric elements in pollution and harm case, thus improve the class of insulation of high-voltage alternating demarcation circuit breaker.
Conveniently lid is successfully covered on box body, the tegmental wall lower end of lid is set to stairstepping, utilize tegmental wall lower end step can conveniently by cover cap on box body.
Conveniently lid is successfully covered on box body, the groove that the lower surface along tegmental wall extends also can be set in the lower surface of the tegmental wall of lid, and the projection corresponding with groove is set in the upper end of the sidewall of box body; Utilize groove and projection lid and box body closely can be linked together.
Further, lid is split type, is divided into inlet wire side cover and outlet side cover, and the height of inlet wire side cover is less than the height of outlet side cover.Lid is set to split type, after arc control device can being installed in box body, then lid is placed in the top of box body, the height of inlet wire side cover is set to the height being less than outlet side cover, the expense manufacturing lid can be reduced.
Accompanying drawing illustrates:
Fig. 1 is the structure diagram of the utility model high-voltage alternating demarcation circuit breaker insulation booth, and the lid in figure is divided into inlet wire side cover and outlet side cover two parts.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the structure diagram of outlet side cover.
Fig. 4 is the structure diagram of inlet wire side cover.
Fig. 5 is the structure diagram being provided with high-voltage alternating demarcation circuit breaker of the present utility model.
Mark in figure:
1. box body, 11. entrance holes, 12. wire holes, 13. installation screws, 21. inlet wire side covers, 22. outlet side covers, 23. through holes, 31. insulated tension poles.
Embodiment:
Consult Fig. 1, high-voltage alternating demarcation circuit breaker insulation booth, it comprises box body 1 and lid; Box body 1 is provided with entrance hole 11 and a wire hole 12, entrance hole 11 and wire hole 12 are separately positioned on two relative sidewalls, box body 1 are provided with installation screw 13; Lid is arranged on the top of box body 1, and it comprises tegmental wall and top board, and the middle part of top board is provided with the through hole 23 supplying the insulated tension pole 31 of circuit breaker to pass through.The arc control device of high-voltage alternating demarcation circuit breaker are arranged in box body 1, and the insulated tension pole 31 of circuit breaker stretches out insulation booth by the through hole 23 on lid 1 top board, and in the present embodiment, installation screw 13 is arranged on the lower surface of box body 1.
Lid can be integral type or split type, and in the present embodiment, lid is split type, be divided into inlet wire side cover 21 and outlet side cover 22, the height of inlet wire side cover 21 is less than the height of outlet side cover, consults Fig. 2 and Fig. 3, and the lower surface of the tegmental wall of inlet wire side cover 21 and outlet side cover 22 is set to stairstepping; Certainly, the lower surface of the tegmental wall of inlet wire side cover 21 and outlet side cover 22 also can arrange the groove that the lower surface along tegmental wall extends, and arranges the projection corresponding with groove in the upper end of the sidewall of box body 1.The type of attachment of other form also can be set between box body and the contact-making surface of lid.
In order to avoid lid comes off from box body 1, lid is bonded on box body 1 by available adhesive.
Because the upper end at box body is provided with lid, enhance the sealing of insulation booth, arc control device are arranged in box body, be in the state of opposing seal, therefore the utility model insulation booth increases creepage distance, improves arc extinction performance, and circuit breaker cut-offs middle electric arc and do not expose, can not electric elements in pollution and harm case, thus improve the class of insulation of high-voltage alternating demarcation circuit breaker.
Claims (5)
1. a high-voltage alternating demarcation circuit breaker insulation booth, is characterized in that: comprise box body and lid; Box body is provided with an entrance hole and a wire hole, entrance hole and wire hole are separately positioned on two relative sidewalls, and box body is provided with installation screw; Lid is arranged on the top of box body, comprises tegmental wall and top board, and the middle part of top board is provided with the through hole supplying the insulated tension pole of circuit breaker to pass through.
2. high-voltage alternating demarcation circuit breaker insulation booth according to claim 1, is characterized in that: the tegmental wall lower end of described lid is stairstepping.
3. high-voltage alternating demarcation circuit breaker insulation booth according to claim 1, it is characterized in that: the lower surface of the tegmental wall of described lid is provided with the groove that the lower surface along tegmental wall extends, and the upper end of the sidewall of described box body is provided with the projection corresponding with described groove.
4. high-voltage alternating demarcation circuit breaker insulation booth according to claim 1, is characterized in that: described lid is split type, is divided into inlet wire side cover and outlet side cover.
5. high-voltage alternating demarcation circuit breaker insulation booth according to claim 4, is characterized in that: the height of inlet wire side cover is less than the height of outlet side cover.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520470561.8U CN204732340U (en) | 2015-07-02 | 2015-07-02 | A kind of high-voltage alternating demarcation circuit breaker insulation booth |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520470561.8U CN204732340U (en) | 2015-07-02 | 2015-07-02 | A kind of high-voltage alternating demarcation circuit breaker insulation booth |
Publications (1)
Publication Number | Publication Date |
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CN204732340U true CN204732340U (en) | 2015-10-28 |
Family
ID=54390674
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201520470561.8U Expired - Fee Related CN204732340U (en) | 2015-07-02 | 2015-07-02 | A kind of high-voltage alternating demarcation circuit breaker insulation booth |
Country Status (1)
Country | Link |
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CN (1) | CN204732340U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106057558A (en) * | 2016-08-12 | 2016-10-26 | 辽宁宇光输变电有限公司 | Circuit breaker possessing closed insulation shell |
-
2015
- 2015-07-02 CN CN201520470561.8U patent/CN204732340U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106057558A (en) * | 2016-08-12 | 2016-10-26 | 辽宁宇光输变电有限公司 | Circuit breaker possessing closed insulation shell |
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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: 20151028 Termination date: 20190702 |