CN103489698B - A kind of switching-off device of vacuum interrupter - Google Patents
A kind of switching-off device of vacuum interrupter Download PDFInfo
- Publication number
- CN103489698B CN103489698B CN201310440762.9A CN201310440762A CN103489698B CN 103489698 B CN103489698 B CN 103489698B CN 201310440762 A CN201310440762 A CN 201310440762A CN 103489698 B CN103489698 B CN 103489698B
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- Prior art keywords
- sliding sleeve
- vacuum interrupter
- clamping device
- switching
- inwall
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The invention discloses a kind of switching-off device of vacuum interrupter, comprise retainer, clamping device, maintenance sliding sleeve, moved end copper piece; Described maintenance sliding sleeve is arranged on the excircle of the front end of moved end copper piece; The external diameter of described maintenance sliding sleeve first increases gradually, then reduces gradually; Described retainer is set in the outside keeping sliding sleeve; The inwall of described retainer is provided with circular groove; Described clamping device is arranged in circular groove; The inwall clamping of described clamping device keeps sliding sleeve; The vacuum that the present invention can control bubbles open apart from and vacuum interrupter can be made to meet electrical performance demands.
Description
Technical field
The present invention relates to a kind of parts of vacuum interrupter, refer in particular to a kind of vacuum that can control and bubble open apart from and vacuum interrupter can be made to meet the switching-off device of the vacuum interrupter of electrical performance demands.
Background technology
Vacuum interrupter: have another name called vacuum switch tube is the core component of mesohigh power switch, and its Main Function is, by can blow-out suppress electric current rapidly after managing the excellent insulating properties of interior vacuum and making mesohigh circuitry cuts power supply, avoids accident and to occur unexpectedly.
The separating brake of the circuit breaker of existing vacuum interrupter is only realize by tripping spring, by the power stored by spring, directly promotes the moved end contact of vacuum interrupter, makes it reach the object of turn-off current.
The shortcoming of prior art is: 1. separating brake/the maintenance of circuit breaker is given tripping spring process by prior art completely, because vacuum interrupter exists the closing force of contact, once tripping spring causes the decay of power or tripping spring to there occurs plastic deformation because of long compressive, set separating brake power cannot be provided, thus have influence on contact open distance; 2. in order to ensure the separating brake distance of circuit breaker, must increase the final force value of tripping spring, the wire diameter of spring will be made to become large, highly increase, this can be very large by power when bringing us to close a floodgate, and increases the difficulty of operating mechanism, thus bring potential safety hazard.
Summary of the invention
The present invention seeks to provide a kind of vacuum that can control bubble open apart from and vacuum interrupter can be made to meet the switching-off device of the vacuum interrupter of electrical performance demands to overcome the deficiencies in the prior art.
For achieving the above object, the technical solution used in the present invention is: a kind of switching-off device of vacuum interrupter, comprises retainer, clamping device, maintenance sliding sleeve, moved end copper piece; Described maintenance sliding sleeve is arranged on the excircle of the front end of moved end copper piece; The external diameter of described maintenance sliding sleeve first increases gradually, then reduces gradually; Described retainer is set in the outside keeping sliding sleeve; The inwall of described retainer is provided with circular groove; Described clamping device is arranged in circular groove; The inwall clamping of described clamping device keeps sliding sleeve.
Preferably, described clamping device is the annulus of a disconnection; The inwall of described annulus is provided with inclined-plane; The outer wall of described annulus is arranged to arc-shaped.
Preferably, described clamping device, comprises thin wall circular; The outer wall of described thin wall circular is provided with spring; Described spring is arranged in circular groove.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
The switching-off device of the vacuum interrupter of the present invention program, solve separating brake under current structure to keep being rely on tripping spring to realize, cause the decay of power or tripping spring to there occurs plastic deformation because equipment tripping spring in running is in compressive state for a long time, thus have influence on the problem opening distance of contact; To also overcome because of original structure because the existence of tripping spring can offset a part of vacuum arc-extinguishing chamber contact contact force simultaneously, cause vacuum interrupter can not meet the defect of electrical performance demands; The vacuum that the present invention can control bubbles open apart from and vacuum interrupter can be made to meet electrical performance demands.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Accompanying drawing 1 is the partial sectional view of the "on" position of the switching-off device of vacuum interrupter of the present invention;
Accompanying drawing 2 is the partial sectional view of the gate-dividing state of the switching-off device of vacuum interrupter of the present invention;
Accompanying drawing 3 is the stereogram of an embodiment of the clamping device of the switching-off device of vacuum interrupter of the present invention;
Wherein: 1, vacuum interrupter moving contact; 2, retainer; 3, clamping device; 4, sliding sleeve is kept; 5, moved end copper piece.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Accompanying drawing 1-3 is the switching-off device of a kind of vacuum interrupter of the present invention, comprises retainer 2, clamping device 3, keeps sliding sleeve 4, moved end copper piece 5; Described maintenance sliding sleeve 4 screw thread is fixed on the excircle of the front end of moved end copper piece 5; The external diameter of described maintenance sliding sleeve 4 first increases gradually, then reduces gradually; Described retainer 2 is set in the outside keeping sliding sleeve 4; The inwall of described retainer 2 is provided with circular groove (not marking); Described clamping device 3 is arranged in circular groove; The inwall clamping of described clamping device 3 keeps sliding sleeve 4; The leading section of described moved end copper piece 5 is provided with vacuum interrupter moving contact 1; When moved end copper piece 5 moves downward, described vacuum interrupter moving contact 1 can contact with vacuum interrupter fixed contact, realizes closed; In the present embodiment, described clamping device 3 is the annulus of a disconnection; The inwall of described annulus is provided with inclined-plane (not marking); The outer wall of described annulus is arranged to arc-shaped (not marking), as shown in Figure 3.
Certainly, described clamping device 3 also can be arranged to: comprise thin wall circular (not shown); The outer wall of described thin wall circular is provided with spring (not shown); Described spring is arranged in circular groove.
The course of work of the switching-off device of vacuum interrupter of the present invention: when separating brake will be carried out, make moved end copper piece 5 and keep sliding sleeve 4 to move upward, keep the outer circumference surface on sliding sleeve 4 that clamping device 3 is outwards strutted, when clamping device 3 breaks through the peak of maintenance sliding sleeve 4, clamping device 3 is got back to initial condition due to natural resiliency and is still held maintenance sliding sleeve 4 tightly; When the enclasping force of clamping device 3 is greater than the self-closing power of vacuum interrupter---separating brake keeps just achieving, as shown in Figure 2.When closing a floodgate, moved end copper piece 5 moves downward with keeping sliding sleeve 4, by keeping the outer circumference surface on sliding sleeve 4, clamping device 3 is outwards strutted, when clamping device 3 breaks through the peak keeping sliding sleeve 4, the confining force of clamping device 3 is just not enough to the self-closing power overcoming vacuum interrupter, separating brake holding device lost efficacy to realize "on" position, as shown in Figure 1.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
The switching-off device of the vacuum interrupter of the present invention program, solve separating brake under current structure to keep being rely on tripping spring to realize, cause the decay of power or tripping spring to there occurs plastic deformation because equipment tripping spring in running is in compressive state for a long time, thus have influence on the problem opening distance of contact; To also overcome because of original structure because the existence of tripping spring can offset a part of vacuum arc-extinguishing chamber contact contact force simultaneously, cause vacuum interrupter can not meet the defect of electrical performance demands; The vacuum that the present invention can control bubbles open apart from and vacuum interrupter can be made to meet electrical performance demands.
Above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to person skilled in the art can be understood content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (3)
1. a switching-off device for vacuum interrupter, is characterized in that: comprise retainer, clamping device, maintenance sliding sleeve, moved end copper piece; Described maintenance sliding sleeve is arranged on the excircle of the front end of moved end copper piece; The external diameter of described maintenance sliding sleeve first increases gradually, then reduces gradually; Described retainer is set in the outside keeping sliding sleeve; The inwall of described retainer is provided with circular groove; Described clamping device is arranged in circular groove; The inwall clamping of described clamping device keeps sliding sleeve.
2. the switching-off device of vacuum interrupter according to claim 1, is characterized in that: described clamping device is the annulus of a disconnection; The inwall of described annulus is provided with inclined-plane; The outer wall of described annulus is arranged to arc-shaped.
3. the switching-off device of vacuum interrupter according to claim 1, is characterized in that: described clamping device, comprises thin wall circular; The outer wall of described thin wall circular is provided with spring; Described spring is arranged in circular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310440762.9A CN103489698B (en) | 2013-09-25 | 2013-09-25 | A kind of switching-off device of vacuum interrupter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310440762.9A CN103489698B (en) | 2013-09-25 | 2013-09-25 | A kind of switching-off device of vacuum interrupter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103489698A CN103489698A (en) | 2014-01-01 |
| CN103489698B true CN103489698B (en) | 2015-10-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310440762.9A Expired - Fee Related CN103489698B (en) | 2013-09-25 | 2013-09-25 | A kind of switching-off device of vacuum interrupter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103489698B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2943104A1 (en) * | 1979-10-25 | 1981-05-21 | Westfaelische Berggewerkschaft | Mining equipment electrical switching contact - has interlocking parts, with thick ended fingers forced against disc by sloping housing surface |
| DE3218907A1 (en) * | 1982-05-19 | 1983-11-24 | Sachsenwerk, Licht- und Kraft-AG, 8000 München | Method and arrangement for switching vacuum switches |
| CN202454486U (en) * | 2012-01-04 | 2012-09-26 | 苏州朗格电气有限公司 | Vacuum breaker with closing retaining device |
| CN203573899U (en) * | 2013-09-25 | 2014-04-30 | 苏州朗格电气有限公司 | Brake breaking device for vacuum arc-extinguishing chamber |
-
2013
- 2013-09-25 CN CN201310440762.9A patent/CN103489698B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2943104A1 (en) * | 1979-10-25 | 1981-05-21 | Westfaelische Berggewerkschaft | Mining equipment electrical switching contact - has interlocking parts, with thick ended fingers forced against disc by sloping housing surface |
| DE3218907A1 (en) * | 1982-05-19 | 1983-11-24 | Sachsenwerk, Licht- und Kraft-AG, 8000 München | Method and arrangement for switching vacuum switches |
| CN202454486U (en) * | 2012-01-04 | 2012-09-26 | 苏州朗格电气有限公司 | Vacuum breaker with closing retaining device |
| CN203573899U (en) * | 2013-09-25 | 2014-04-30 | 苏州朗格电气有限公司 | Brake breaking device for vacuum arc-extinguishing chamber |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103489698A (en) | 2014-01-01 |
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Effective date of registration: 20170717 Address after: Cao Hu Building No. 1 Yongchang Jing Road Xiangcheng Economic Development Zone of Suzhou City, Jiangsu province 215000 room 1718 Patentee after: Suzhou Lange intelligent Limited by Share Ltd Address before: 215144 Jiangsu city of Suzhou province Xiangcheng District Beiqiao Street Road, Huazhong Science and Technology Park in Suzhou Guangji Lange Electric Co. Ltd. Patentee before: Suzhou Langer Electric Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: 215000 Jiangsu city of Suzhou province Xiangcheng District metro rail to South Road No. 58 Patentee after: China nuclear power and energy Limited by Share Ltd Address before: Cao Hu Building No. 1 Yongchang Jing Road Xiangcheng Economic Development Zone of Suzhou City, Jiangsu province 215000 room 1718 Patentee before: Suzhou Lange intelligent Limited by Share Ltd |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 Termination date: 20190925 |
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| CF01 | Termination of patent right due to non-payment of annual fee |