CN109935480A - A kind of contact arc extinguishing device of breaker - Google Patents
A kind of contact arc extinguishing device of breaker Download PDFInfo
- Publication number
- CN109935480A CN109935480A CN201910352355.XA CN201910352355A CN109935480A CN 109935480 A CN109935480 A CN 109935480A CN 201910352355 A CN201910352355 A CN 201910352355A CN 109935480 A CN109935480 A CN 109935480A
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- arc
- chutes
- gear
- contact
- static contact
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Abstract
The invention discloses a kind of contact arc extinguishing devices of breaker, its structure includes synchronous transmission device, arc-chutes, static contact head device, trigger device, blowout coil, the left and right sides is separately installed with static contact head device inside arc-chutes, trigger device, synchronous transmission device is located at below arc-chutes, it is sequentially connected between static contact head device and trigger device by synchronous transmission device, blowout coil is connected with static contact head device, it is equipped with two sides inside arc-chutes and is respectively equipped with guide housing, equally distributed arc-extinguish chamber is equipped among guide housing, arc extinguishing is located on the outside of arc-chutes and is connected to arc-chutes inside, it is an advantage of the invention that by when pulling open electric arc rotating the arc so that electric arc is constantly contacted cooling with different arc-extinguish chambers, in air due to arc-extinguish chamber exposure, it is being contacted convenient for next time with can be quickly cooled down after arc contacts, it improves Cooling efficiency and extinguish speed, and contact of the electric arc with arc-extinguish chamber be it is instantaneous, avoid continuous contact from damaging arc-extinguish chamber.
Description
Technical field
The present invention relates to field of circuit breakers, specifically a kind of contact arc extinguishing device of breaker.
Background technique
Breaker is also known as air switch, is easy to produce electric arc between contact in disconnecting circuit, it not only has very contact
Big destruction, and extend the time of disconnecting circuit, it is therefore desirable to extinguished by arc-control device.
Existing arc-control device is using, and is generally extinguished by solid dielectric with arc contacts to cool down electric arc, electricity
Arc is in the contact with solid dielectric, and the medium contacted earliest is as the extension of time of contact can be more and more hotter, cooling effect drop
It is low, when contacting between it is long, or frequently contact when, solid dielectric is easy very fast damage.
Summary of the invention
It is a primary object of the present invention to overcome the deficiencies of the prior art and provide a kind of contact arc extinguishing device of breaker.
The present invention adopts the following technical scheme that realize: a kind of contact arc extinguishing device of breaker, and structure includes synchronizing
Transmission device, arc-chutes, static contact head device, trigger device, blowout coil, the arc-chutes inside left and right sides are installed respectively
There are static contact head device, trigger device, the synchronous transmission device is located at below arc-chutes, the static contact head device and moving contact
It is sequentially connected between device by synchronous transmission device, the blowout coil is connected with static contact head device.
It is equipped with two sides as optimization, inside the arc-chutes and is respectively equipped with guide housing, is equipped among the guide housing uniform
The arc-extinguish chamber of distribution, the arc extinguishing are located on the outside of arc-chutes and are connected to arc-chutes inside.
As optimization, the static contact head device is made of static contact, bracket, bearing, driven gear, and the bracket, which runs through, to go out
The left end of arc chamber is simultaneously mounted on arc-chutes left end by bearing, and the branch is erected at one end inside arc-chutes and is equipped with static contact,
The branch is erected at one end outside arc-chutes and is connected with driven gear, and the static contact is connected with blowout coil.
As optimization, the trigger device is by moving contact, lead screw, fixture nut, driving gear, rotary joint, pull rod
Composition, the fixture nut are mounted on arc-chutes right end, and the lead screw is through fixture nut and the two matches, and the lead screw is set
One end inside arc-chutes is equipped with moving contact, is parallel to each other between the moving contact and static contact, the lead screw is located at arc extinguishing
Outdoor one end is connected with driving gear, and the driving gear is flexibly connected by rotary joint with pull rod.
As optimization, the synchronous transmission device is by intermediate gear, first gear, universal driving shaft, second gear, sprocket group
At the left and right ends of the universal driving shaft are connected separately with first gear, second gear, and the first gear is being located at driven gear just
Lower section is simultaneously sequentially connected by intermediate gear and driven gear, and the second gear is meshed by sprocket with driving gear.
As optimization, the slash that the moving contact passes through equal angular with static contact is connected with bracket, lead screw respectively.
As optimization, the length of the sprocket is equal to the moving distance with moving contact.
As optimization, the arc-extinguish chamber is spill.
As optimization, the first gear, second gear are in the same size, and the intermediate gear, gear column diameter are consistent, institute
It is in the same size with driven gear to state driving gear.
Beneficial effect
For the present invention when in use when contact separates, pull rod can quickly pull moving contact mobile, due to lead screw and fixed spiral shell
Cooperation between mother, can make in lead screw rapid horizontal lead screw carry out rotation, lead screw rotation when moving horizontally, due to
The length of sprocket is enough long, can guarantee that the driving gear connecting always with lead screw is meshed, convenient for transmitting the power of lead screw
To second gear, second gear drives first gear synchronous rotary by universal driving shaft, and first gear imparts power to driven tooth
Wheel, just can make both static contact and moving contact synchronize rotation, by the effect of blowout coil, can blow to electric arc and go out
Arc cover, thus realize that electric arc, which constantly rotates to contact with different arc-extinguish chambers, to be cooled down while pulling open electric arc, and outside arc-extinguish chamber
Side is contacted with air, can carry out fast cooling automatically.
Compared with prior art, the beneficial effects of the present invention are: by when pulling open electric arc rotating the arc keep electric arc continuous
Cooling is contacted with different arc-extinguish chambers, in air due to arc-extinguish chamber exposure, can be quickly cooled down just after with arc contacts
In next time contact, improve cooling efficiency and extinguish speed, and contact of the electric arc with arc-extinguish chamber be it is instantaneous, avoid continuous contact pair
Arc-extinguish chamber is damaged, and is improved service life.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is a kind of sectional view of the contact arc extinguishing device of breaker of the present invention.
Fig. 2 is a kind of structural schematic diagram of the first working condition of the contact arc extinguishing device of breaker of the present invention.
Fig. 3 is a kind of structural schematic diagram of second of working condition of contact arc extinguishing device of breaker of the present invention.
Fig. 4 is the side view of arc-chutes of the present invention.
In figure: synchronous transmission device 1, arc-chutes 2, static contact head device 3, trigger device 4, blowout coil 5, guide housing
20, arc-extinguish chamber 21, static contact 30, bracket 31, bearing 32, driven gear 33, moving contact 40, lead screw 41, fixture nut 42, active
Gear 43, rotary joint 44, pull rod 45, intermediate gear 10, first gear 11, universal driving shaft 12, second gear 13, sprocket 14.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of contact arc extinguishing device technical solution of breaker: its structure includes synchronizing
Transmission device 1, arc-chutes 2, static contact head device 3, trigger device 4, blowout coil 5, the 2 inside left and right sides point of arc-chutes
Static contact head device 3, trigger device 4 are not installed, the synchronous transmission device 1 is located at 2 lower section of arc-chutes, the static contact dress
It sets and is sequentially connected between 3 and trigger device 4 by synchronous transmission device 1, the blowout coil 5 is connected with static contact head device 3
It connects, blowout coil 5 can make to blow away electric arc toward a direction, and electric arc is made to contact cooling with solid dielectric.
It is equipped with two sides inside the arc-chutes 2 and is respectively equipped with guide housing 20, is equipped with and is uniformly distributed among the guide housing 20
Arc-extinguish chamber 21, the arc-extinguish chamber 21 be located at the outside of arc-chutes 2 and be connected to inside arc-chutes 2, arc-extinguish chamber 21 is located at arc-chutes 2
It can be come into full contact with outside with outside air, improve heat dissipation effect.
The static contact head device 3 is made of static contact 30, bracket 31, bearing 32, driven gear 33, and the bracket 31 runs through
The left end of arc-chutes 2 is simultaneously mounted on 2 left end of arc-chutes by bearing 32, and one end that the bracket 31 is located inside arc-chutes 2 is set
There is static contact 30, one end that the bracket 31 is located at outside arc-chutes 2 is connected with driven gear 33, the static contact 30 and magnetic blow-out
Coil 5 is connected, and bearing 32 is rotated convenient for static contact 30.
The trigger device 4 is by moving contact 40, lead screw 41, fixture nut 42, driving gear 43, rotary joint 44, drawing
Bar 45 forms, and the fixture nut 42 is mounted on 2 right end of arc-chutes, and the lead screw 41 is through fixture nut 42 and the two matches
It closes, the lead screw 41 is located at one end inside arc-chutes 2 equipped with moving contact 40, between the moving contact 40 and static contact 30 mutually
In parallel, one end that the lead screw 41 is located at outside arc-chutes 2 is connected with driving gear 43, and the driving gear 43 is connect by rotation
First 44 are flexibly connected with pull rod 45, and the cooperation of lead screw 41 and fixture nut 42 can make the rotation when moving horizontally of lead screw 41, and
Rotary joint 44 is motionless convenient for pull rod 45 and lead screw 41 rotates.
The synchronous transmission device 1 is by intermediate gear 10, first gear 11, universal driving shaft 12, second gear 13, sprocket 14
Composition, the left and right ends of the universal driving shaft 12 are connected separately with first gear 11, second gear 13, and the first gear 11 is located at
It is sequentially connected immediately below driven gear 33 and by intermediate gear 10 and driven gear 33, the second gear 13 passes through sprocket
14 are meshed with driving gear 43, and can guarantee how no matter driving gear 43 move by sprocket 14 can pass power
Pass second gear 13.
The moving contact 40 is connected just with bracket 31, lead screw 41 by the slash of equal angular respectively with static contact 30
In electric arc closer to arc-extinguish chamber 21, faster cooled down.
The length of the sprocket 14 is equal to the moving distance with moving contact 40, guarantees that the two engages always.
The arc-extinguish chamber 21 is spill, can increase the contact area of electric arc and solid dielectric, improves cooling effect.
The first gear 11, second gear 13 are in the same size, and the intermediate gear 10,14 diameter of sprocket are consistent, institute
It states driving gear 43 and driven gear 33 is in the same size, operated synchronously convenient for moving contact 40 and static contact 30.
When in use when contact separates, pull rod 45 can quickly pull moving contact 40 mobile, due to lead screw 41 and fixed spiral shell
Cooperation between mother 42 can make lead screw 41 carry out rotation in 41 rapid horizontal of lead screw, and lead screw 41 is when moving horizontally
Rotation can guarantee that the driving gear 43 connecting always with lead screw 41 is meshed since the length of sprocket 14 is enough long, and being convenient for will
The power of lead screw 41 passes to second gear 13, and second gear 13 drives 11 synchronous rotary of first gear by universal driving shaft 12, the
One gear 11 imparts power to driven gear 33, and both static contact 30 and moving contact 40 just can be made to synchronize rotation, leads to
The effect of blowout coil 5 is crossed, electric arc can be blowed to arc-extinguish chamber 21, to realize that electric arc constantly rotates while pulling open electric arc
It contacts and is cooled down with different arc-extinguish chambers 21, and 21 outside of arc-extinguish chamber is contacted with air, can carry out fast cooling automatically.
The technological progress that the present invention obtains compared with the prior art is: by when pulling open electric arc rotating the arc keep electric arc continuous
Cooling is contacted with different arc-extinguish chambers, in air due to arc-extinguish chamber exposure, can be quickly cooled down just after with arc contacts
In next time contact, improve cooling efficiency and extinguish speed, and contact of the electric arc with arc-extinguish chamber be it is instantaneous, avoid continuous contact pair
Arc-extinguish chamber is damaged, and is improved service life.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (6)
1. a kind of contact arc extinguishing device of breaker, structure includes synchronous transmission device (1), arc-chutes (2), static contact head device
(3), trigger device (4), blowout coil (5), it is characterised in that: the internal left and right sides of the arc-chutes (2) is separately installed with
Static contact head device (3), trigger device (4), the synchronous transmission device (1) are located at below arc-chutes (2), the static contact dress
It sets and is sequentially connected between (3) and trigger device (4) by synchronous transmission device (1), the blowout coil (5) and static contact fill
(3) are set to be connected.
2. a kind of contact arc extinguishing device of breaker according to claim 1, it is characterised in that: in the arc-chutes (2)
Portion is equipped with two sides and is respectively equipped with guide housing (20), is equipped with equally distributed arc-extinguish chamber (21) among the guide housing (20), described
Arc-extinguish chamber (21) is located on the outside of arc-chutes (2) and is connected to arc-chutes (2) inside.
3. a kind of contact arc extinguishing device of breaker according to claim 1, it is characterised in that: the static contact head device
(3) it is made of static contact (30), bracket (31), bearing (32), driven gear (33), the bracket (31) runs through arc-chutes (2)
Left end and be mounted on arc-chutes (2) left end by bearing (32), the bracket (31) is located at the internal one end of arc-chutes (2) and sets
Have static contact (30), the bracket (31) is located at the one end of arc-chutes (2) outside and is connected with driven gear (33), the static contact
(30) it is connected with blowout coil (5).
4. a kind of contact arc extinguishing device of breaker according to claim 1, it is characterised in that: the trigger device
(4) it is made of moving contact (40), lead screw (41), fixture nut (42), driving gear (43), rotary joint (44), pull rod (45),
The fixture nut (42) is mounted on arc-chutes (2) right end, and the lead screw (41) is through fixture nut (42) and the two matches,
The lead screw (41) is located at the internal one end of arc-chutes (2) and is equipped with moving contact (40), the moving contact (40) and static contact (30)
Between be parallel to each other, the lead screw (41) is located at the one end of arc-chutes (2) outside and is connected with driving gear (43), the driving tooth
Wheel (43) is flexibly connected by rotary joint (44) with pull rod (45).
5. a kind of contact arc extinguishing device of breaker according to claim 1, it is characterised in that: the synchronous transmission device
(1) it is made of intermediate gear (10), first gear (11), universal driving shaft (12), second gear (13), sprocket (14), it is described
The left and right ends of moving axis (12) are connected separately with first gear (11), second gear (13), the first gear (11) be located at from
It is sequentially connected immediately below moving gear (33) and by intermediate gear (10) and driven gear (33), the second gear (13) passes through
Sprocket (14) is meshed with driving gear (43).
6. a kind of contact arc extinguishing device of breaker according to claim 1, it is characterised in that: the moving contact (40) with
Static contact (30) is connected with bracket (31), lead screw (41) by the slash of equal angular respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910352355.XA CN109935480B (en) | 2019-04-29 | 2019-04-29 | Contact arc extinguishing device of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910352355.XA CN109935480B (en) | 2019-04-29 | 2019-04-29 | Contact arc extinguishing device of circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109935480A true CN109935480A (en) | 2019-06-25 |
| CN109935480B CN109935480B (en) | 2021-05-07 |
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ID=66991080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910352355.XA Active CN109935480B (en) | 2019-04-29 | 2019-04-29 | Contact arc extinguishing device of circuit breaker |
Country Status (1)
| Country | Link |
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| CN (1) | CN109935480B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111403229A (en) * | 2020-06-04 | 2020-07-10 | 广东电网有限责任公司东莞供电局 | Contact mechanism of vacuum circuit breaker |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87102961A (en) * | 1986-03-28 | 1987-10-07 | 默林·格伦 | Circuit-breaker with self-expanding and rotating arc |
| EP2037470A1 (en) * | 2007-09-17 | 2009-03-18 | Areva T&D SA | Activation of an alternator load-break switch by a group of one main shaft and several secondary shafts |
| CN203966962U (en) * | 2014-08-02 | 2014-11-26 | 浙江沈高所电气有限公司 | A kind of laborsaving minute brake structure of vacuum circuit-breaker |
| CN203966963U (en) * | 2014-08-02 | 2014-11-26 | 浙江沈高所电气有限公司 | A kind of quick acting switching-off structure of vacuum circuit-breaker |
| CN105551881A (en) * | 2016-01-11 | 2016-05-04 | 许继集团有限公司 | Vacuum arc-extinguishing chamber, vacuum arc-extinguishing chamber contacts and direct current vacuum circuit breaker |
| CN106356241A (en) * | 2016-11-15 | 2017-01-25 | 通用森源（深圳）电气有限公司 | High-stability high-pressure vacuum circuit breaker |
| CN206331966U (en) * | 2016-12-20 | 2017-07-14 | 通用森源（深圳）电气有限公司 | A kind of high stability high-pressure vacuum breaker for being easy to radiating |
| CN107342186A (en) * | 2017-07-20 | 2017-11-10 | 中国电力科学研究院 | A kind of adjustable rotary magnetic field vacuum interrupter |
| CN206849755U (en) * | 2017-06-19 | 2018-01-05 | 国网江苏省电力公司盐城供电公司 | The primary cut-out of synchronization double-action contact |
| CN207038428U (en) * | 2017-06-16 | 2018-02-23 | 沈阳工业大学 | It is a kind of to rotate the electrode structure cut-off |
| CN207319995U (en) * | 2017-11-10 | 2018-05-04 | 保定元辰变压器制造有限公司 | A kind of outdoor vacuum circuit breaker with protective device |
| CN208722807U (en) * | 2018-09-30 | 2019-04-09 | 吕晓君 | A kind of follow-on vacuum switch |
-
2019
- 2019-04-29 CN CN201910352355.XA patent/CN109935480B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87102961A (en) * | 1986-03-28 | 1987-10-07 | 默林·格伦 | Circuit-breaker with self-expanding and rotating arc |
| EP2037470A1 (en) * | 2007-09-17 | 2009-03-18 | Areva T&D SA | Activation of an alternator load-break switch by a group of one main shaft and several secondary shafts |
| CN203966962U (en) * | 2014-08-02 | 2014-11-26 | 浙江沈高所电气有限公司 | A kind of laborsaving minute brake structure of vacuum circuit-breaker |
| CN203966963U (en) * | 2014-08-02 | 2014-11-26 | 浙江沈高所电气有限公司 | A kind of quick acting switching-off structure of vacuum circuit-breaker |
| CN105551881A (en) * | 2016-01-11 | 2016-05-04 | 许继集团有限公司 | Vacuum arc-extinguishing chamber, vacuum arc-extinguishing chamber contacts and direct current vacuum circuit breaker |
| CN106356241A (en) * | 2016-11-15 | 2017-01-25 | 通用森源（深圳）电气有限公司 | High-stability high-pressure vacuum circuit breaker |
| CN206331966U (en) * | 2016-12-20 | 2017-07-14 | 通用森源（深圳）电气有限公司 | A kind of high stability high-pressure vacuum breaker for being easy to radiating |
| CN207038428U (en) * | 2017-06-16 | 2018-02-23 | 沈阳工业大学 | It is a kind of to rotate the electrode structure cut-off |
| CN206849755U (en) * | 2017-06-19 | 2018-01-05 | 国网江苏省电力公司盐城供电公司 | The primary cut-out of synchronization double-action contact |
| CN107342186A (en) * | 2017-07-20 | 2017-11-10 | 中国电力科学研究院 | A kind of adjustable rotary magnetic field vacuum interrupter |
| CN207319995U (en) * | 2017-11-10 | 2018-05-04 | 保定元辰变压器制造有限公司 | A kind of outdoor vacuum circuit breaker with protective device |
| CN208722807U (en) * | 2018-09-30 | 2019-04-09 | 吕晓君 | A kind of follow-on vacuum switch |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111403229A (en) * | 2020-06-04 | 2020-07-10 | 广东电网有限责任公司东莞供电局 | Contact mechanism of vacuum circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109935480B (en) | 2021-05-07 |
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Effective date of registration: 20210409 Address after: 325000 room 605, building 2, Deliyuan residential district, Niushan North Road, Nanjiao street, Lucheng District, Wenzhou City, Zhejiang Province Applicant after: Zhan Jianying Address before: 362100 No.2 Dongcuo, diagonally opposite Dali beverage factory, Zishan Town, Hui'an County, Quanzhou City, Fujian Province Applicant before: HUI'AN NAIYA ENERGY SAVING TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20221214 Address after: 710000 Unit 2, Building 1, No. 299, Second Industrial Road, Xi'an National Civil Aerospace Industry Base, Shaanxi Province Patentee after: SHUBANG ELECTRIC POWER TECHNOLOGY Co.,Ltd. Address before: 325000 room 605, building 2, Deliyuan residential district, Niushan North Road, Nanjiao street, Lucheng District, Wenzhou City, Zhejiang Province Patentee before: Zhan Jianying |
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