CN205666173U - Arc -extinguishing chamber structure for circuit breaker - Google Patents
Arc -extinguishing chamber structure for circuit breaker Download PDFInfo
- Publication number
- CN205666173U CN205666173U CN201620484886.6U CN201620484886U CN205666173U CN 205666173 U CN205666173 U CN 205666173U CN 201620484886 U CN201620484886 U CN 201620484886U CN 205666173 U CN205666173 U CN 205666173U
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- Prior art keywords
- contact
- static
- arc
- shift fork
- cell structure
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- 230000003068 static effect Effects 0.000 claims abstract description 38
- 230000033001 locomotion Effects 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 229950000845 politef Drugs 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model discloses an arc -extinguishing chamber structure for circuit breaker, including the moving contact, establish the static contact in the contact seat, the moving contact including inside through screw thread flange in proper order, piston rod, the piston that moves arc contact, little contact seat, little spout and big spout, the static contact be provided with including the baffle, the inside that are provided with the baffle guide way and connect and big contact seat, the traction lever of quiet arc contact, the baffle in be equipped with through second round pin articulated shift fork, joint one end and shift fork connect through first pin hinge, the joint other end and quiet arc contact a end screw thread connection and equal the two with little contact sliding connection. The utility model discloses a double acting self energy arc extinguishing technique is moved, quiet arc contact relative motion, improves the oening speed when cut -offfing to reduce mechanism's operating power, when effectively guaranteeing the operation of circuit breaker safety and stability, but reduction in production cost, favourable equipment wide use.
Description
Technical field
This utility model belongs to Cubicle Gas-Insulated Switchgear field, specifically, relates to a kind of chopper and goes out
Arc chamber structure.
Background technology
In high voltage power transmission and transforming system, transformer station's GIS device has been widely adopted, as topmost in GIS device
Element chopper, can not only close, cut-off specified load current, also can folding fault current, when the fault that is short-circuited
Time can automatic brake separating and automatic reclosing, be a kind of multi-functional automatic switch.
The input energetically that supertension, extra-high voltage grid are built by country in recent years, transmission & distribution electrical equipment electric pressure is the most increasingly
Height, chopper, as one of most important element of power transmission and distribution link, is examined for breaker safe stability in operation of power networks
Testing stricter, traditional breaker arc extinguishing cell structure does not the most adapt to supertension, the operation of extra-high voltage grid is wanted
Ask.
In view of this special proposition this utility model.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, it is provided that a kind of chopper goes out
Arc chamber structure, uses double dynamic self-energy quenching arc technology, dynamic and static arcing contact relative motion, improves opening velocity when cut-offfing, to reduce
Mechanism's operating work, while the operation that breaker safe is stable is effectively ensured, it is possible to decrease production cost, advantageous installation promotes fortune
With.
For solving above-mentioned technical problem, the basic conception of this utility model employing technical scheme is:
A kind of breaker arc extinguishing cell structure, including moving contact, the static contact that is arranged in contact base, described moving contact bag
Include inside and be sequentially connected with flange, piston rod, moving arcing contact, small contact seat, the piston of little spout and big spout by screw thread, described
Static contact include being provided with the guide plate of guide plate gathering sill, being internally provided with the big contact seat of joint and static arc contact, draw bar, institute
Being provided with the shift fork hinged by the second pin in the guide plate stated, described joint one end and shift fork are hinged by the first pin, described
The joint other end is connected with the threaded one end of static arc contact and all the two is slidably connected with small contact, described draw bar and shielding
Covering threaded, the top of described big spout is connected with the radome being arranged in contact base with bolt by clamp, described
The bottom of big spout utilize that self boss is relative with piston stage casing concave station to be connected and fix with baffle plate and bolt.
Further, described moving arcing contact, little spout, big spout are provided with and the gathering sill of static arc contact shiding matching,
The other end of described static arc contact is placed in gathering sill, provides to guide for transmission and supports.
Further, the fixing point that described second pin is arranged on guide plate, and it is connected shift fork and joint forms quiet end
Driving-chain.
Further, described draw bar is arranged in guide plate gathering sill, provides active force passage for quiet end motion.
Further, described draw bar is provided with the 3rd pin, and described shift fork is provided with the groove that can connect with the 3rd pin card.
Further, described radome is placed in contact base inwall and there are moving contact, static contact motion guide medium in centre.
Further, described left hand material is the politef adding 30% polybenzoate.
After using technique scheme, the present invention compared with prior art has the advantages that.
This utility model uses double dynamic self-energy quenching arc technology, dynamic and static arcing contact relative motion, improves separating brake speed when cut-offfing
Degree, with reducing mechanism operating work, alleviates parts impact load, improves mechanism reliability.Electricity is made full use of when cut-offfing big electric current
Arc self-energy, makes the rapid supercharging of expanding chamber internal gas pressure, and strong air-blowing makes to take away rapidly arc energy makes it extinguish；On the other hand
Alleviate the operating work that supercharging is provided by mechanism.
This utility model novel structure, in interrupting process, dynamic and static arcing contact relative motion, can obtain excellent at breaking point
Different Electric Field Distribution and mechanism's operating work output, it is ensured that the low operating work needed for the operation that breaker safe is stable, body,
Can be equipped with again the spring operating mechanism that weight is lighter, it is achieved non-oil ultra high vacuum system, can be substantially reduced enterprise's manufacturing cost, advantageous installation pushes away
Wide utilization.
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described in further detail.
Accompanying drawing explanation
Accompanying drawing, as the part of the application, is used for providing being further understood from of the present utility model, this utility model
Schematic description and description be used for explaining this utility model, but do not constitute improper restriction of the present utility model.Obviously,
Accompanying drawing in describing below is only some embodiments, to those skilled in the art, is not paying creative labor
On the premise of Dong, it is also possible to obtain other accompanying drawings according to these accompanying drawings.In the accompanying drawings:
Fig. 1 is the structural representation of this utility model open position；
Fig. 2 is the structural representation that this utility model has just closed position；
Fig. 3 is the structural representation of this utility model closing position；
In figure: 1-guide plate；2-joint；3-small contact；4-big contact seat；5-radome；The big spout of 6-；7 little spouts；8-moves
Arcing contact；9-piston；10 piston rods；11-first sells；12-second sells；13-shift fork；14-the 3rd sells；15-static arc contact；16-
Draw bar；17-small contact seat；18-flange.
It should be noted that these accompanying drawings and word describe and are not intended as limiting design of the present utility model by any way
Scope, but be that those skilled in the art illustrate concept of the present utility model by reference specific embodiment.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, is clearly and completely described the technical scheme in embodiment, and following example are used for illustrating this
Utility model, but it is not limited to scope of the present utility model.
In description of the present utility model, it should be noted that term " on ", D score, "front", "rear", "left", "right",
Orientation or the position relationship of the instruction such as " vertically ", " interior ", " outward " they are based on orientation shown in the drawings or position relationship, merely to
It is easy to describe this utility model and simplification description rather than instruction or the device of hint indication or element must have specific side
Position, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be to removably connect, or integratedly
Connect；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary.
For the ordinary skill in the art, above-mentioned term specifically containing in this utility model can be understood with concrete condition
Justice.
As it is shown in figure 1, this utility model one breaker arc extinguishing cell structure, including moving contact, it is arranged in contact base
Static contact, described moving contact includes that inside is sequentially connected with flange 18, piston 9 bar, moving arcing contact 8, small contact seat by screw thread
17, the piston 9 of little spout 7 and big spout 6, described static contact includes being provided with the guide plate 1 of guide plate gathering sill, is internally provided with and connects
2 and the big contact seat 4 of static arc contact 15, draw bar 16, it is provided with the shift fork 13 hinged by the second pin in described guide plate 1,
Described joint 2 one end and shift fork 13 are hinged by the first pin, described joint 2 other end and the threaded one end of static arc contact 15
Connecting and all the two is slidably connected with small contact 3, described draw bar 16 is threadeded with radome 5, described big spout 6
Top is connected with the radome 5 being arranged in contact base with bolt by clamp, and the bottom of described big spout 6 utilizes self convex
Platform is relative with piston 9 stage casing concave station to be connected and fixes with baffle plate and bolt.
Wherein, described moving arcing contact 8, little spout 7, big spout 6 are provided with and the gathering sill of static arc contact 15 shiding matching,
The other end of described static arc contact 15 is placed in gathering sill, provides to guide for transmission and supports.The second described pin is arranged on leads
Fixing point on plate 1, and is connected shift fork 13 and joint 2 forms quiet end driving-chain.Described draw bar 16 is arranged at guide plate and leads
In groove, provide active force passage for quiet end motion.Described draw bar 16 is provided with the 3rd pin, and described shift fork 13 is provided with can
The groove connect with the 3rd pin card.Described radome 5 is placed in contact base inwall and centre has moving contact, static contact motion guide to be situated between
Matter.Described left hand material is the politef adding 30% polybenzoate.
Specifically, this utility model includes: guide plate 1, joint 2, small contact 3, big contact seat 4, radome 5, big spout 6,
Little spout 7, moving arcing contact 8, piston 9, piston rod the 10, first pin the 11, second pin 12, shift fork the 13, the 3rd pin 14, static arc contact
15, draw bar 16, small contact seat 17, flange 18.
This utility model is made up of static contact part and moving contact part, and static contact part is assembled: use threaded
Static arc contact 15 is attached by mode with joint 2, utilizes the second pin 12 to be installed in guide plate 1 by shift fork 13, with the first pin 11
Joint 2 is connected with shift fork 13 and is placed in guide plate gathering sill, and integral installation is on contact base.Moving contact part is assembled: adopt
By threaded mode by flange 18, piston rod 10, moving arcing contact 8, small contact seat 17, little spout 77 is sequentially connected with, and sprays greatly
Mouthful 6 tops utilize clamp and bolt to be connected with radome 5, and bottom utilizes that self boss is relative with piston 9 stage casing concave station to be connected also
Fixing with baffle plate and bolt, draw bar 16 and radome 5 be connected with nut and be placed in guide plate gathering sill, radome 5 is placed in
In contact base.
As shown in Figure 2 and Figure 3, after breaker mechanism receives switching signal, moving contact part is made to static contact part direction
Linear motion, when arriving Fig. 2 position, the 3rd pin 14 on draw bar 16 clashes into shift fork 13, and shift fork 13 is with fixing point the second pin 12
Driving static arc contact 15 to do straight line to moving contact part direction for pivot point, the most dynamic and static contact part does relative motion, when
When arriving mechanism's delivery stroke, chopper arrives closing position.Breaker open operation course of action: when breaker mechanism receives separating brake
After signal, moving contact part is to for linear motion with static contact part rightabout, when arriving Fig. 2 position on draw bar 16
3rd pin 14 clashes into shift fork 13, and shift fork 13 drives static arc contact 15 to moving contact part with fixing point the second pin 12 for pivot point
Rightabout does straight line, and the most dynamic and static contact part does adverse movement, and when arriving mechanism's delivery stroke, chopper arrives separating brake
Position.
This utility model uses double dynamic self-energy quenching arc technology, dynamic and static arcing contact relative motion, improves separating brake speed when cut-offfing
Degree, with reducing mechanism operating work, alleviates parts impact load, improves mechanism reliability.Electricity is made full use of when cut-offfing big electric current
Arc self-energy, makes the rapid supercharging of expanding chamber internal gas pressure, and strong air-blowing makes to take away rapidly arc energy makes it extinguish；On the other hand
Alleviate the operating work that supercharging is provided by mechanism.
This utility model novel structure, in interrupting process, dynamic and static arcing contact relative motion, can obtain excellent at breaking point
Different Electric Field Distribution and mechanism's operating work output, it is ensured that the low operating work needed for the operation that breaker safe is stable, body,
Can be equipped with again the spring operating mechanism that weight is lighter, it is achieved non-oil ultra high vacuum system, can be substantially reduced enterprise's manufacturing cost, advantageous installation pushes away
Wide utilization.
The above is only preferred embodiment of the present utility model, not makees this utility model any pro forma
Limit, although this utility model is disclosed above with preferred embodiment, but is not limited to this utility model, any familiar
The technical staff of this patent is in the range of without departing from technical solutions of the utility model, when the technology contents of available above-mentioned prompting is made
Go out a little change or be modified to the Equivalent embodiments of equivalent variations, as long as being the content without departing from technical solutions of the utility model,
Any simple modification, equivalent variations and the modification made above example according to technical spirit of the present utility model, the most still belongs to
In the range of this utility model scheme.
Claims (7)
1. a breaker arc extinguishing cell structure, it is characterised in that: include moving contact, the static contact being arranged in contact base, described
Moving contact include internal by screw thread be sequentially connected with flange, piston rod, moving arcing contact, small contact seat, the piston of little spout and
Big spout, described static contact includes being provided with the guide plate of guide plate gathering sill, being internally provided with the big contact of joint and static arc contact
Seat, draw bar, be provided with the shift fork hinged by the second pin in described guide plate, described joint one end and shift fork are by the first pin
Hinged, the described joint other end is connected with the threaded one end of static arc contact and all the two is slidably connected with small contact, described
Draw bar is connected with shield thread, and the top of described big spout is by clamp and bolt and the shielding being arranged in contact base
Cover is connected, and the bottom of described big spout utilizes that self boss is relative with piston stage casing concave station to be connected and consolidate with baffle plate and bolt
Fixed.
A kind of breaker arc extinguishing cell structure the most according to claim 1, it is characterised in that described moving arcing contact, little spray
Mouth, big spout are provided with and the gathering sill of static arc contact shiding matching, and the other end of described static arc contact is placed in gathering sill, for
Transmission provides to guide and supports.
A kind of breaker arc extinguishing cell structure the most according to claim 1, it is characterised in that the second described pin is arranged on leads
Fixing point on plate, and is connected shift fork and joint forms quiet end driving-chain.
A kind of breaker arc extinguishing cell structure the most according to claim 1, it is characterised in that described draw bar is arranged at leads
In plate gathering sill, provide active force passage for quiet end motion.
A kind of breaker arc extinguishing cell structure the most according to claim 1, it is characterised in that described draw bar is provided with the
Three pins, described shift fork is provided with the groove that can connect with the 3rd pin card.
A kind of breaker arc extinguishing cell structure the most according to claim 1, it is characterised in that described radome is placed in contact
There are moving contact, static contact motion guide medium in seat inwall and centre.
A kind of breaker arc extinguishing cell structure the most according to claim 6, it is characterised in that described left hand material is for adding
The politef of 30% polybenzoate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620484886.6U CN205666173U (en) | 2016-05-25 | 2016-05-25 | Arc -extinguishing chamber structure for circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620484886.6U CN205666173U (en) | 2016-05-25 | 2016-05-25 | Arc -extinguishing chamber structure for circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205666173U true CN205666173U (en) | 2016-10-26 |
Family
ID=57161048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620484886.6U Active CN205666173U (en) | 2016-05-25 | 2016-05-25 | Arc -extinguishing chamber structure for circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205666173U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020073847A1 (en) * | 2018-10-11 | 2020-04-16 | 西安西电开关电气有限公司 | Circuit breaker and double-action transmission device thereof |
| CN111199849A (en) * | 2019-12-26 | 2020-05-26 | 河南平高电气股份有限公司 | Moving contact assembly of arc extinguish chamber and moving contact assembly using same |
| CN112614730A (en) * | 2020-12-09 | 2021-04-06 | 平高集团有限公司 | Double-acting arc extinguish chamber transmission structure |
| CN112635231A (en) * | 2020-10-21 | 2021-04-09 | 平高集团有限公司 | Double-acting arc extinguish chamber of circuit breaker and circuit breaker using same |
| CN112908771A (en) * | 2020-11-26 | 2021-06-04 | 平高集团有限公司 | Circuit breaker and arc extinguish chamber thereof |
-
2016
- 2016-05-25 CN CN201620484886.6U patent/CN205666173U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020073847A1 (en) * | 2018-10-11 | 2020-04-16 | 西安西电开关电气有限公司 | Circuit breaker and double-action transmission device thereof |
| CN111199849A (en) * | 2019-12-26 | 2020-05-26 | 河南平高电气股份有限公司 | Moving contact assembly of arc extinguish chamber and moving contact assembly using same |
| CN111199849B (en) * | 2019-12-26 | 2021-12-17 | 河南平高电气股份有限公司 | Moving contact assembly of arc extinguish chamber and moving contact assembly using same |
| CN112635231A (en) * | 2020-10-21 | 2021-04-09 | 平高集团有限公司 | Double-acting arc extinguish chamber of circuit breaker and circuit breaker using same |
| CN112635231B (en) * | 2020-10-21 | 2023-05-12 | 平高集团有限公司 | Double-acting arc extinguishing chamber of circuit breaker and circuit breaker using same |
| CN112908771A (en) * | 2020-11-26 | 2021-06-04 | 平高集团有限公司 | Circuit breaker and arc extinguish chamber thereof |
| CN112908771B (en) * | 2020-11-26 | 2023-02-17 | 平高集团有限公司 | Circuit breaker and arc extinguish chamber thereof |
| CN112614730A (en) * | 2020-12-09 | 2021-04-06 | 平高集团有限公司 | Double-acting arc extinguish chamber transmission structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 410600 Jinzhou Avenue 018, Jinzhou New District, Ningxiang County, Changsha City, Hunan Province Patentee after: HUNAN CHANGGAO ELECTRIC CO.,LTD. Country or region after: China Patentee after: Chang Hi-Tech New Technology Co.,Ltd. Address before: 410600 Jinzhou Avenue 018, Jinzhou New District, Ningxiang County, Changsha City, Hunan Province Patentee before: HUNAN CHANGGAO ELECTRIC CO.,LTD. Country or region before: China Patentee before: HUNAN CHANGGAO HIGH VOLTAGE SWITCHGEAR GROUP Co.,Ltd. |
|
| CP03 | Change of name, title or address |