CN107993883A - 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
- CN107993883A CN107993883A CN201810029239.XA CN201810029239A CN107993883A CN 107993883 A CN107993883 A CN 107993883A CN 201810029239 A CN201810029239 A CN 201810029239A CN 107993883 A CN107993883 A CN 107993883A
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- China
- Prior art keywords
- movable contact
- contact
- plate
- bottom plate
- hole
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- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 5
- 230000000171 quenching effect Effects 0.000 abstract description 4
- 230000007812 deficiency Effects 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 abstract 1
- 238000010891 electric arc Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention discloses a kind of improved outdoor permanent magnetic vacuum circuit breaker, including stationary contact and movable contact, stationary contact is fixed in arc-chutes, movable contact is connected with permanent-magnet manipulating mechanism, 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 with connecting rod, and the bottom axis of connecting rod is connected on bottom plate；Stationary contact includes top plate and bottom plate, and gap is provided with before top plate and bottom plate, and top plate is connected with the end of bottom plate by connecting plate, when movable contact is with stationary contact point contact, in movable contact insertion gap, is contacted respectively with top plate, 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 technology
Permanent magnetic vacuum breaker is a kind of high-tension switch gear, and folding control is carried out to high-tension line using permanent-magnet manipulating mechanism
System.In movable contact and the stationary contact action of permanent magnetic vacuum breaker, since arc discharge occurs in its high voltage.Existing use
Word vacuum circuit breaker can set arc-chutes to carry out arc extinguishing, to ensure equipment and personal safety.But existing arc-control device volume
It is larger, become the bottleneck of permanent magnetic vacuum breaker miniaturization.
The content 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 breaker, the prior art can be solved
Deficiency, reduce the volume of arc-control device, improve 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 connected with permanent-magnet manipulating mechanism, is connected between the movable contact and permanent-magnet manipulating mechanism by the first spring body, is moved and is touched
Point is connected with connecting rod, second spring body is provided with connecting rod, the bottom axis of connecting rod is connected on bottom plate；Stationary contact includes top plate and bottom
Gap is provided with before plate, top plate and bottom plate, top plate is connected with the end of bottom plate by connecting plate, movable contact and stationary contact point contact
When, movable contact is inserted into gap, is contacted respectively with top plate, bottom plate and connecting plate.
Preferably, being staggeredly equipped with several the first grooves in the top plate and bottom plate, the first groove is parallel to each other, the
Bar permanent magnet is provided with one groove, the height of bar permanent magnet is less than the depth of the first groove, if being provided with movable contact
The angle of the dry straight slot being parallel to each other, straight slot and the first groove is 20 °.
Preferably, being staggeredly equipped with several metal catch in the straight slot, metal catch top is provided with insulating trip,
Insulating trip and adjacent metal catch 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 of straight slot, movable contact and stationary contact are provided through on movable contact
During 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, positioned 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 both sides of connecting shaft pass through
3rd spring body is connected to the both ends of sliding slot, and connecting rod is connected in connecting shaft.
It is using beneficial effect caused by above-mentioned technical proposal：The present invention first by improving opening and closing movement mechanism,
Using compression and reset of the second spring body during with link rotatable, accelerate movable contact and combine and separate with stationary contact
Speed, reduce the generation of electric arc.Secondly, by improving the structure of stationary contact, traditional fitting contact is changed to grafting and is connect
Touch, increase 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 is set on top plate and bottom plate, electric arc can be elongated using magnetic field, electric arc is rapidly entered straight slot
It is interior, and realize arc extinguishing in air-flow flowing produced by the quick movement in movable contact.First groove can be effectively improved in stationary contact
The effect of portion's air-flow flowing.Metal catch and insulating trip in straight slot can lengthen length of motion route of the electric arc in straight slot,
Further improve arc quenching effect.First through hole and the second through hole can form horizontal gas channel, accelerate between different straight slots
Air flow rate, so as to accelerate arc extinguishing speed.By setting the pin that is mutually inserted and blind hole, can to second spring body into
The effective radial support of row, so as to ensure stability of strutting system of the connecting rod for movable contact.3rd spring body carries out left and right in connecting rod
It is synchronous to produce compression and stretching during swing, accelerate the speed of movable contact action.The present invention is by arc-control device reasonable integration dynamic
Make on contact, greatly reduce volume shared by arc-control device, arc quenching effect is good.
Brief description of the drawings
Fig. 1 is the structure chart of an embodiment of the invention.
Fig. 2 is structure chart when stationary contact and movable contact combine in an embodiment of the invention.
Fig. 3 is the structure chart of connecting rod in an embodiment of the invention.
In figure：1st, stationary contact；2nd, movable contact；3rd, arc-chutes；4th, permanent-magnet manipulating mechanism；5th, the first spring body；6th, connecting rod；7、
Second spring body；8th, bottom plate；9th, top plate；10th, bottom plate；11st, gap；12nd, connecting plate；13rd, the first groove；14th, straight slot；15th, bar
Shape permanent magnet；16th, metal catch；17th, insulating trip；18th, first through hole；19th, the second through hole；20th, pin；21st, blind hole；22nd, it is sliding
Groove；23rd, connecting shaft；24th, the 3rd spring body；25th, third through-hole；26th, flange.
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 mode of each part is using bolt ripe in the prior art, rivet, weldering
The conventional means such as connect, paste, this will not be detailed here.
With reference to Fig. 1-3, an 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 connected 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, and second spring body 7 is provided with connecting rod 6, and the bottom axis of connecting rod 6 is connected on bottom plate 8；
Stationary contact 1 includes top plate 9 and bottom plate 10, is provided with gap 11 before top plate 9 and bottom plate 10, and the end of top plate 9 and bottom plate 10 leads to
Connecting plate 12 is crossed to connect, when movable contact 2 is contacted with stationary contact 1, movable contact 2 be inserted into gap 11 in, respectively with top plate 9, bottom plate 10
Contacted with connecting plate 12.Several first grooves 13 are staggeredly equipped with top plate 9 and bottom plate 10, the first groove 13 is parallel to each other,
Bar permanent magnet 15 is provided with first groove 13, the height of bar permanent magnet 15 is less than the depth of the first groove 13, movable contact 2
On be provided with several straight slots 14 being parallel to each other, the angle of 14 and first groove 13 of straight slot is 20 °.It is staggered in straight slot 14
There are several metal catch 16,16 top of metal catch is provided with insulating trip 17, between insulating trip 17 and adjacent metal catch 16
Gap coordinates.First through hole 18 is provided with connecting plate 12, one end of first through hole 18 is located at the top surface of connecting plate 12, first through hole
18 other end is located at the side of connecting plate 12, is provided through the second through hole 19 of straight slot 14 on movable contact 2, movable contact 2 with
When stationary contact 1 contacts, the second through hole 19 is connected with first through hole 18.Set positioned at 6 end face of connecting rod at the top of second spring body 7
There is pin 20,6 end face of connecting rod of 7 bottom of second spring body is provided with blind hole 21,20 activity of pin is plugged in blind hole 21.
Sliding slot 22 is provided with bottom plate 8, connecting shaft 23 is slidably arranged in sliding slot 22, and the both sides of connecting shaft 23 pass through the 3rd spring body 24
The both ends of sliding slot 22 are connected to, connecting rod 6 is connected in connecting shaft 23.
In addition, metal catch 16 is symmetrical bent, the center line position of metal catch 16 is peak, and both sides gradually drop
It is low.The center line position of metal catch 16 is provided with third through-hole 25, the top of third through-hole 25 close to straight slot 14 madial wall,
Madial wall of the bottom away from straight slot 14 of three through holes 25.Third through-hole 25 can be utilized in 18 and second through hole 19 of first through hole
The air-flow of flowing improves air-flow flow effect longitudinal in straight slot 14, and the metal catch 16 of bent can improve air-flow and metal
The contact area of catch 16, so as to accelerate the speed that electric arc elongates cut-out.
The outboard end of sliding slot 22 is provided with flange 26, when movable contact 2 is contacted with stationary contact 1, connecting shaft 23 and 16 phase of flange
Contact, connecting shaft 23 drive connecting rod 6 move up, movable contact 2 is quickly engaged with connecting plate 12, thus accelerate movable contact 2 and
Stationary contact 1 contacts latter stage, and the engaging speed of 18 and second through hole 19 of first through hole, 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 ", " on ", " under ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on attached drawing institutes
The orientation or position relationship shown, is for only for ease of the description present invention, rather than the device or element of instruction or hint meaning must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
The basic principles, main features and the advantages of the invention have been shown and described above.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 modifications of the present invention are possible, 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 (6)
1. a kind of improved outdoor permanent magnetic vacuum circuit breaker, including stationary contact（1）And movable contact（2）, stationary contact（1）It is fixed on and goes out
Arc chamber（3）In, movable contact（2）With permanent-magnet manipulating mechanism（4）Connection, it is characterised in that：The movable contact（2）With permanent magnetic operating machine
Structure（4）Between pass through the first spring body（5）Connection, movable contact（2）It is connected with connecting rod（6）, connecting rod（6）On be provided with second spring
Body（7）, connecting rod（6）Bottom axis be connected to bottom plate（8）On；Stationary contact（1）Including top plate（9）And bottom plate（10）, top plate（9）And bottom
Plate（10）Gap is provided with before（11）, top plate（9）And bottom plate（10）End pass through connecting plate（12）Connection, movable contact（2）
With stationary contact（1）During contact, movable contact（2）It is inserted into gap（11）It is interior, respectively with top plate（9）, bottom plate（10）And connecting plate（12）
Contact.
2. improved outdoor permanent magnetic vacuum circuit breaker according to claim 1, it is characterised in that：The top plate（9）And bottom
Plate（10）Inside it is staggeredly equipped with several the first grooves（13）, the first groove（13）It is parallel to each other, the first groove（13）Interior setting
There is bar permanent magnet（15）, bar permanent magnet（15）Height be less than the first groove（13）Depth, movable contact（2）On be provided with
Several straight slots being parallel to each other（14）, straight slot（14）With the first groove（13）Angle be 20 °.
3. improved outdoor permanent magnetic vacuum circuit breaker according to claim 2, it is characterised in that：The straight slot（14）Interior friendship
Mistake is provided with several metal catch（16）, metal catch（16）Top is provided with insulating trip（17）, insulating trip（17）With it is adjacent
Metal catch（16）Clearance fit.
4. improved outdoor permanent magnetic vacuum circuit breaker according to claim 3, it is characterised in that：The connecting plate（12）On
It is provided with first through hole（18）, first through hole（18）One end be located at connecting plate（12）Top surface, first through hole（18）It is another
End is located at connecting plate（12）Side, movable contact（2）On be provided through straight slot（14）The second through hole（19）, movable contact（2）
With stationary contact（1）During contact, the second through hole（19）With first through hole（18）It is connected.
5. improved outdoor permanent magnetic vacuum circuit breaker according to claim 1, it is characterised in that：Positioned at second spring body
（7）The connecting rod at top（6）End face is provided with pin（20）, positioned at second spring body（7）The connecting rod of bottom（6）End face is provided with blind
Hole（21）, pin（20）Activity is plugged on blind hole（21）In.
6. improved outdoor permanent magnetic vacuum circuit breaker according to claim 5, it is characterised in that：The bottom plate（8）On set
It is equipped with sliding slot（22）, connecting shaft（23）It is slidably arranged in sliding slot（22）It is interior, connecting shaft（23）Both sides pass through the 3rd spring body
（24）It is connected to sliding slot（22）Both ends, connecting rod（6）It is connected to connecting shaft（23）On.
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 true CN107993883A (en) | 2018-05-04 |
| CN107993883B 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 |
Country Status (1)
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107993883B (en) | 2019-03-26 |
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| PB01 | Publication | ||
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
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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| GR01 | Patent grant |