CN107993883B - A kind of improved outdoor permanent magnetic vacuum circuit breaker - Google Patents
A kind of improved outdoor permanent magnetic vacuum circuit breaker Download PDFInfo
- Publication number
- CN107993883B CN107993883B CN201810029239.XA CN201810029239A CN107993883B CN 107993883 B CN107993883 B CN 107993883B CN 201810029239 A CN201810029239 A CN 201810029239A CN 107993883 B CN107993883 B CN 107993883B
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- movable contact
- contact
- plate
- stationary contact
- hole
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention discloses a kind of improved outdoor permanent magnetic vacuum circuit breakers, including stationary contact and movable contact, stationary contact is fixed in arc-chutes, movable contact is connect with permanent-magnet manipulating mechanism, it is connected between the movable contact and permanent-magnet manipulating mechanism by the first spring body, movable contact is connected with connecting rod, and second spring body is provided on connecting rod, and the bottom end axis of connecting rod is connected on bottom plate；Stationary contact includes top plate and bottom plate, is provided with gap before top plate and bottom plate, and top plate is connected with the end of bottom plate by connecting plate, and when movable contact is with stationary contact point contact, movable contact is inserted into gap, is contacted respectively with top plate and bottom plate and connecting plate.The present invention can improve the deficiencies in the prior art, reduce the volume of arc-control device, improve arc quenching effect.
Description
Technical field
The present invention relates to a kind of circuit protection device, especially a kind of improved outdoor permanent magnetic vacuum circuit breaker.
Background technique
Permanent magnetic vacuum breaker is a kind of high-tension switch gear, carries out folding control to high-tension line using permanent-magnet manipulating mechanism
System.In movable contact and the stationary contact movement of permanent magnetic vacuum breaker, since its high voltage will appear arc discharge.It is existing forever
Magnetic vacuum breaker can be arranged arc-chutes and carry out arc extinguishing, to guarantee equipment and personal safety.But existing arc-control device body
Product is larger, becomes the bottleneck of permanent magnetic vacuum breaker miniaturization.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of improved outdoor permanent magnetic vacuum circuit breakers, are able to solve existing
The deficiency of technology reduces the volume of arc-control device, improves arc quenching effect.
In order to solve the above technical problems, the technical solution used in the present invention is as follows.
A kind of improved outdoor permanent magnetic vacuum circuit breaker, including stationary contact and movable contact, stationary contact are fixed in arc-chutes,
Movable contact is connect with permanent-magnet manipulating mechanism, is connected between the movable contact and permanent-magnet manipulating mechanism by the first spring body, and touching is moved
Point is connected with connecting rod, second spring body is provided on connecting rod, the bottom end axis of connecting rod is connected on bottom plate；Stationary contact includes top plate and quiet
It is provided with gap before contactor board, top plate and stationary contact bottom plate, top plate is connected with the end of stationary contact bottom plate by connecting plate,
When movable contact and stationary contact point contact, movable contact is inserted into gap, is contacted respectively with top plate, stationary contact bottom plate and connecting plate.
Preferably, being staggeredly equipped with several first grooves in the top plate and stationary contact bottom plate, the first groove is mutual
In parallel, it is provided with bar permanent magnet in the first groove, the height of bar permanent magnet is set on movable contact less than the depth of the first groove
It is equipped with several through slots being parallel to each other, the angle of through slot and the first groove is 20 °.
Preferably, being staggeredly equipped with several metal baffles in the through slot, metal baffle top is provided with insulating trip,
Insulating trip and adjacent metal baffle clearance fit.
Preferably, being provided with first through hole on the connecting plate, one end of first through hole is located at the top surface of connecting plate, the
The other end of one through-hole is located at the side of connecting plate, and the second through-hole through through slot, movable contact and stationary contact are provided on movable contact
When point contact, the second through-hole is connected with first through hole.
Preferably, the connecting rod end face at the top of second spring body is provided with pin, it is located at second spring body bottom
The connecting rod end face in portion is provided with blind hole, and pin activity is plugged in blind hole.
Preferably, being provided with sliding slot on the bottom plate, connecting shaft is slidably arranged in sliding slot, and the two sides of connecting shaft pass through
Third spring body is connected to the both ends of sliding slot, and connecting rod is connected in connecting shaft.
Brought beneficial effect is by adopting the above technical scheme: the present invention passes through first improves opening and closing movement mechanism,
Using compression and reset of the second spring body during with link rotatable, movable contact is accelerated in conjunction with stationary contact and is separated
Speed, reduce the generation of electric arc.Secondly, traditional fitting contact is changed to grafting and is connect by the structure for improving stationary contact
Touching, increases contact area, contact face stability of the stationary contact with movable contact, reduces the generation of electric arc when improving contact.It is logical
Cross and bar permanent magnet be set on top plate and stationary contact bottom plate, can use magnetic field and electric arc is elongated, make electric arc quickly into
Enter in through slot, and realizes arc extinguishing in fast moving in produced air-flow flowing for movable contact.First groove can be effectively improved quiet
The effect of contact internal gas flow flowing.Metal baffle and insulating trip in through slot can lengthen motion path of the electric arc in through slot
Length further increases arc quenching effect.First through hole and the second through-hole can form lateral airflow channel, accelerate different through slots
Between air flow rate, to accelerate arc extinguishing speed.It, can be to second spring by the way that the pin being mutually inserted and blind hole is arranged
Body carries out effective radial support, to guarantee connecting rod for the stability of strutting system of movable contact.Third spring body is carried out in connecting rod
It is synchronous to generate compression and stretch when swinging, accelerate the speed of movable contact movement.The present invention exists arc-control device reasonable integration
On movement contact, volume shared by arc-control device is greatly reduced, arc quenching effect is good.
Detailed description of the invention
Fig. 1 is the structure chart of a specific embodiment of the invention.
Fig. 2 is structure chart when stationary contact and movable contact combine in a specific embodiment of the invention.
Fig. 3 is the structure chart of connecting rod in a specific embodiment of the invention.
In figure: 1, stationary contact；2, movable contact；3, arc-chutes；4, permanent-magnet manipulating mechanism；5, the first spring body；6, connecting rod；7,
Second spring body；8, bottom plate；9, top plate；10, stationary contact bottom plate；11, gap；12, connecting plate；13, the first groove；14, through slot；
15, bar permanent magnet；16, metal baffle；17, insulating trip；18, first through hole；19, the second through-hole；20, pin；21, blind hole；
22, sliding slot；23, connecting shaft；24, third spring body；25, third through-hole；26, flange.
Specific embodiment
The standardized element used in the present invention can commercially, and shaped piece is according to specification and attached drawing
Record can carry out customized, and the specific connection type of each part is all made of in the prior art mature bolt, rivet, weldering
The conventional means such as connect, paste, this will not be detailed here.
Referring to Fig.1-3, a specific embodiment of the invention includes stationary contact 1 and movable contact 2, and stationary contact 1, which is fixed on, to go out
In arc chamber 3, movable contact 2 is connect with permanent-magnet manipulating mechanism 4, passes through the first spring between the movable contact 2 and permanent-magnet manipulating mechanism 4
Body 5 connects, and movable contact 2 is connected with connecting rod 6, second spring body 7 is provided on connecting rod 6, and the bottom end axis of connecting rod 6 is connected on bottom plate 8；
Stationary contact 1 includes top plate 9 and stationary contact bottom plate 10, is provided with gap 11 before top plate 9 and stationary contact bottom plate 10, top plate 9 and quiet
The end of contactor board 10 is connected by connecting plate 12, and when movable contact 2 and stationary contact 1 contact, movable contact 2 is inserted into gap 11,
It is contacted respectively with top plate 9, stationary contact bottom plate 10 and connecting plate 12.Several are staggeredly equipped in top plate 9 and stationary contact bottom plate 10
First groove 13, the first groove 13 are parallel to each other, and bar permanent magnet 15, the height of bar permanent magnet 15 are provided in the first groove 13
The depth less than the first groove 13 is spent, is provided with several through slots 14 being parallel to each other, through slot 14 and the first groove on movable contact 2
13 angle is 20 °.Several metal baffles 16 are staggeredly equipped in through slot 14,16 top of metal baffle is provided with insulating trip
17, insulating trip 17 and adjacent 16 clearance fit of metal baffle.First through hole 18 is provided on connecting plate 12, first through hole 18
One end is located at the top surface of connecting plate 12, and the other end of first through hole 18 is located at the side of connecting plate 12, is provided with and passes through on movable contact 2
When second through-hole 19 of break-through slot 14, movable contact 2 and stationary contact 1 contact, the second through-hole 19 is connected with first through hole 18.It is located at
6 end face of connecting rod at 7 top of second spring body is provided with pin 20, is provided with positioned at 6 end face of connecting rod of 7 bottom of second spring body blind
Hole 21,20 activity of pin are plugged in blind hole 21.Sliding slot 22 is provided on bottom plate 8, connecting shaft 23 is slidably arranged in sliding slot 22,
The two sides of connecting shaft 23 are connected to the both ends of sliding slot 22 by third spring body 24, and connecting rod 6 is connected in connecting shaft 23.
In addition, metal baffle 16 is symmetrical bent, the middle line position of metal baffle 16 is highest point, and two sides gradually drop
It is low.The middle line position of metal baffle 16 is provided with third through-hole 25, the top of third through-hole 25 close to through slot 14 inner sidewall,
Inner sidewall of the bottom end far from through slot 14 of three through-holes 25.Third through-hole 25 can use in first through hole 18 and the second through-hole 19
The air-flow of flowing improves air-flow flow effect longitudinal in through slot 14, and air-flow and metal can be improved in the metal baffle 16 of bent
The contact area of baffle 16, to accelerate the speed that electric arc elongates cutting.
The outboard end of sliding slot 22 is provided with flange 26, when movable contact 2 and stationary contact 1 contact, connecting shaft 23 and 16 phase of flange
Contact, connecting shaft 23 drive connecting rod 6 move up, be quickly engaged movable contact 2 with connecting plate 12, thus accelerate movable contact 2 and
Stationary contact 1 contacts latter stage, and the engaging speed of first through hole 18 and the second through-hole 19 avoids electric arc in movable contact 2 and connecting plate 12
Between accumulation.
In addition, the permanent-magnet manipulating mechanism in permanent magnetic vacuum breaker belongs to the well-known components of permanent magnetic vacuum breaker, herein
No longer it is described in detail.
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of the description present invention, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (5)
1. a kind of improved outdoor permanent magnetic vacuum circuit breaker, including stationary contact (1) and movable contact (2), stationary contact (1), which is fixed on, to go out
In arc chamber (3), movable contact (2) is connect with permanent-magnet manipulating mechanism (4), it is characterised in that: the movable contact (2) and permanent magnetic operating machine
It is connected between structure (4) by the first spring body (5), movable contact (2) is connected with connecting rod (6), and connecting rod is provided with second spring on (6)
Body (7), the bottom end axis of connecting rod (6) are connected on bottom plate (8)；Stationary contact (1) includes top plate (9) and stationary contact bottom plate (10), top plate
(9) and before stationary contact bottom plate (10) it is provided with gap (11), the end of top plate (9) and stationary contact bottom plate (10) passes through connecting plate
(12) connect, when movable contact (2) and stationary contact (1) contact, movable contact (2) is inserted into gap (11), respectively with top plate (9), quiet
Contactor board (10) and connecting plate (12) contact；It is first recessed that several are staggeredly equipped in top plate (9) and stationary contact bottom plate (10)
Slot (13), the first groove (13) are parallel to each other, and are provided with bar permanent magnet (15) in the first groove (13), bar permanent magnet (15)
Height less than the depth of the first groove (13), be provided with several through slots (14) being parallel to each other, through slot on movable contact (2)
It (14) is 20 ° with the angle of the first groove (13).
2. improved outdoor permanent magnetic vacuum circuit breaker according to claim 1, it is characterised in that: handed in the through slot (14)
Mistake is provided with several metal baffles (16), and metal baffle (16) top is provided with insulating trip (17), insulating trip (17) with it is adjacent
Metal baffle (16) clearance fit.
3. improved outdoor permanent magnetic vacuum circuit breaker according to claim 2, it is characterised in that: on the connecting plate (12)
Be provided with first through hole (18), one end of first through hole (18) is located at the top surface of connecting plate (12), first through hole (18) it is another
End is located at the side of connecting plate (12), and the second through-hole (19) through through slot (14), movable contact (2) are provided on movable contact (2)
When contacting with stationary contact (1), the second through-hole (19) is connected with first through hole (18).
4. improved outdoor permanent magnetic vacuum circuit breaker according to claim 1, it is characterised in that: be located at second spring body
(7) connecting rod (6) end face at the top of is provided with pin (20), is provided with positioned at connecting rod (6) end face of second spring body (7) bottom blind
Hole (21), pin (20) activity are plugged in blind hole (21).
5. improved outdoor permanent magnetic vacuum circuit breaker according to claim 4, it is characterised in that: set on the bottom plate (8)
It is equipped with sliding slot (22), connecting shaft (23) is slidably arranged in sliding slot (22), and the two sides of connecting shaft (23) pass through third spring body
(24) both ends of sliding slot (22) are connected to, connecting rod (6) is connected on connecting shaft (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810029239.XA CN107993883B (en) | 2018-01-12 | 2018-01-12 | A kind of improved outdoor permanent magnetic vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810029239.XA CN107993883B (en) | 2018-01-12 | 2018-01-12 | A kind of improved outdoor permanent magnetic vacuum circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107993883A CN107993883A (en) | 2018-05-04 |
| CN107993883B true CN107993883B (en) | 2019-03-26 |
Family
ID=62040018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810029239.XA Active CN107993883B (en) | 2018-01-12 | 2018-01-12 | A kind of improved outdoor permanent magnetic vacuum circuit breaker |
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| Country | Link |
|---|---|
| CN (1) | CN107993883B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2332057Y (en) * | 1998-03-03 | 1999-08-04 | 东北电力科学研究院 | Inserted vacuum arc-chutes |
| CN200986886Y (en) * | 2006-12-08 | 2007-12-05 | 郑士泉 | Permanent magnet control mechanism vacuum circuit breaker |
| CN203406226U (en) * | 2013-09-02 | 2014-01-22 | 新疆特变电工自控设备有限公司 | Permanent magnetism vacuum circuit breaker |
| CN205680613U (en) * | 2016-06-03 | 2016-11-09 | 国网四川省电力公司泸州供电公司 | It is capable of the vacuum circuit breaker mechanism of fault detect |
| KR20170008506A (en) * | 2015-07-14 | 2017-01-24 | (주)서전기전 | both-way switchgear for Vacuum circuit breaker |
-
2018
- 2018-01-12 CN CN201810029239.XA patent/CN107993883B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2332057Y (en) * | 1998-03-03 | 1999-08-04 | 东北电力科学研究院 | Inserted vacuum arc-chutes |
| CN200986886Y (en) * | 2006-12-08 | 2007-12-05 | 郑士泉 | Permanent magnet control mechanism vacuum circuit breaker |
| CN203406226U (en) * | 2013-09-02 | 2014-01-22 | 新疆特变电工自控设备有限公司 | Permanent magnetism vacuum circuit breaker |
| KR20170008506A (en) * | 2015-07-14 | 2017-01-24 | (주)서전기전 | both-way switchgear for Vacuum circuit breaker |
| CN205680613U (en) * | 2016-06-03 | 2016-11-09 | 国网四川省电力公司泸州供电公司 | It is capable of the vacuum circuit breaker mechanism of fault detect |
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| Publication number | Publication date |
|---|---|
| CN107993883A (en) | 2018-05-04 |
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Effective date of registration: 20190301 Address after: 362122 Industrial Start-up Zone of Dongyuan District, Quanzhou Taiwanese Investment Zone, Quanzhou City, Fujian Province Applicant after: Fujian de aple Energy Technology Co., Ltd. Address before: 125001 Unit 1, Building 2-11, Luye Villa, No. 2 Lianyang Road, Lianshan District, Huludao City, Liaoning Province Applicant before: Liu Sujie |
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