CN208045397U - A kind of high current indoor high-voltage vacuum circuit breaker - Google Patents
A kind of high current indoor high-voltage vacuum circuit breaker Download PDFInfo
- Publication number
- CN208045397U CN208045397U CN201820234822.XU CN201820234822U CN208045397U CN 208045397 U CN208045397 U CN 208045397U CN 201820234822 U CN201820234822 U CN 201820234822U CN 208045397 U CN208045397 U CN 208045397U
- Authority
- CN
- China
- Prior art keywords
- pole
- contact arm
- contact
- circuit breaker
- vacuum interrupter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model is related to the technical fields of high-voltage circuitbreaker,Disclose a kind of high current indoor high-voltage vacuum circuit breaker,Including major loop on a chassis is arranged,Secondary circuit,Spring operating mechanism and control loop,The major loop and secondary circuit are separated by frame,Including the identical pole of three structures being arranged on frame,The side of the pole is provided with contact arm and lower contact arm,The upper contact arm,Lower contact arm is connected with Mume flower contact,The top of the pole is disposed with leading-out terminal,Vacuum interrupter and lower wire end,Lower part uses hollow structure,Leading-out terminal includes heat conduction platform on this,The static contact of vacuum interrupter is connected with radiator by heat conduction platform,The moving contact of the vacuum interrupter is connected with lower wire end,It is connected with spring operating mechanism by insulated tension pole,The position of the moving contact of vacuum interrupter is provided with heat emission hole,Ventilation hole is arranged in position close to pole bottom.The utility model is simple in structure, at low cost.
Description
Technical field
The utility model is related to the technical fields of high-voltage circuitbreaker, and in particular to a kind of high current indoor high-voltage vacuum open circuit
Device.
Background technology
With the development of economy, electricity needs also increases rapidly, and the continuous increase-volume such as center main transformer, power plant leads to high current
The demand of vacuum circuit breaker and switchgear is also continuously improved.And high current vacuum circuit breaker major loop current-carrying part is most at present
Using simple copper pipe contact arm as inlet-outlet line, arc-control device adds assembly type holder combination using vacuum interrupter.Radiator
It is exactly the aluminium radiator fin on rack body, entire arc-control device is installed on together with aluminium radiator fin in insulation resin cylinder.It is really self cooling
The vacuum circuit breaker and complete set of equipments of formula are not yet invented, and heat dissipation relies primarily on the wind turbine air blast cooling of mating switchgear installing.
Routine high current vacuum circuit breaker product in the process of running, is exposed with many deficiencies at present：1, major loop touches
Arm uses common contact arm, and conductive current carrying area is inadequate, and major loop resistance is higher, and each connecting portion fever is serious, even if using strong
Make air-cooled, vacuum circuit breaker heating position still radiates unhappy；2, conventional high current vacuum circuit breaker is made using common insulating cylinder
For the external insulation of vacuum interrupter, this structure Shortcomings itself, breaker fever, leads to insulation ag(e)ing, insulating properties in addition
It can reduce, there are hidden danger；3, import high current vacuum circuit breaker is expensive, is unfavorable for reducing cost.
Utility model content
The utility model provides a kind of high current indoor high-voltage vacuum circuit breaker, solves existing high-pressure vacuum breaker
Major loop resistance it is higher, fever is serious, the problems such as easily leading to insulation ag(e)ing.
The utility model can be achieved through the following technical solutions：
A kind of high current indoor high-voltage vacuum circuit breaker includes major loop, secondary circuit, the spring of setting on a chassis
Operating mechanism and control loop, the major loop and secondary circuit are separated by frame, including three be arranged on frame knot
The identical pole of structure, the side of the pole are provided with contact arm and lower contact arm, the upper contact arm, lower contact arm with
Mume flower contact is connected, and the top of the pole is disposed with leading-out terminal, vacuum interrupter and lower wire end, and lower part is adopted
With hollow structure, the upper leading-out terminal includes heat conduction platform, is filled the static contact of vacuum interrupter and heat dissipation by the heat conduction platform
Set connected, the moving contact of the vacuum interrupter is connected with lower wire end, is connected with spring operating mechanism by insulated tension pole, is leaned on
The position of the moving contact of the nearly vacuum interrupter is provided with heat emission hole, the position setting ventilation close to the pole bottom
Hole.
Further, the pole uses the cast molding of epoxy resin APG techniques.
Further, the radiator bottom surface is provided with contact platform corresponding with heat conduction platform, multiple radiating grooves, other three faces
It is provided with a plurality of arc radiating ribs.
Further, the upper contact arm, lower contact arm are all made of casting red copper pipe fitting, outer surface be provided with it is a plurality of symmetrical and
The arc reinforcing rib of protrusion, hollow out wears elongated slot in pairs between the arc reinforcing rib, and bottom centre is provided with large-diameter thread hole,
Multiple minor diameter threaded holes, the large-diameter thread hole and minor diameter threaded hole are evenly arranged with around the large-diameter thread hole
It is used to coordinate with pole and install.
Further, the upper contact arm, lower contact arm outer surface be provided with sulfuric horizon.
The utility model is beneficial to be had technical effect that：
By the upper contact arm of casting red copper fitting structure, lower contact arm, outer surface is provided with a plurality of symmetrical and raised
Arc reinforcing rib increases current carrying area, while being fixed by screw-thread fit and pole, reduces the contact electricity of major loop
Resistance, in addition, using the cast molding of epoxy resin APG techniques by vacuum interrupter sealing in pole, fastening is reinforced,
It is not affected by the external environment, improves insulation performance and mechanical performance.Compared with import high current vacuum circuit breaker, reduce into
This, also, the structure of whole device is simple, and application is strong, convenient for promoting.
Description of the drawings
Fig. 1 is the main body schematic diagram of the utility model；
Fig. 2 is the schematic internal view of the utility model；
Fig. 3 is the structural schematic diagram of the pole of the utility model, wherein indicates front view, label 3b marked as 3a
Indicate that left view, label 3c indicate upward view；
Fig. 4 is the structural schematic diagram of the radiator of the utility model, wherein indicates front view, label 4b marked as 4a
Indicate that left view, label 4c indicate upward view；
Fig. 5 is the structural schematic diagram of the upper contact arm of the utility model, lower contact arm, wherein indicates front view, mark marked as 5a
Number 5b indicates that left view, label 5c indicate the sectional view of B-B；
Wherein, 1- chassis vehicles, 2- spring operating mechanisms, 3- frames, 4- poles, the upper leading-out terminals of 41-, 411- heat conduction
Platform, 42- vacuum interrupters, 43- lower wire ends, 44- reinforcing ribs, 45- heat emission holes, 46- ventholes, the upper contact arms of 5-, 51- arcs add
Strengthening tendons, 52- elongated slots, 53- large-diameter threads hole, 54- minor diameter threaded holes, 55- sulfuric horizons, contact arm under 6-, 7- Mume flower contacts, 8-
Radiator, 81- contact platform, 82- radiating grooves, 83- radiating ribs, 9- insulated tension poles.
Specific implementation mode
With reference to the accompanying drawings and embodiments, specific embodiment of the present utility model is described in detail.
With reference to attached Fig. 1 and 2, the utility model provides a kind of high current indoor high-voltage vacuum circuit breaker, including setting exists
Major loop, secondary circuit, spring operating mechanism 2 and control loop, the major loop and secondary circuit on chassis vehicle 1 pass through frame
3 separate, and include the identical pole 4 of three structures of setting on the frame 3, which uses epoxy resin APG works
Cast molding of skill, side are provided with contact arm 5 and lower contact arm 6, on this contact arm 5, lower contact arm 6 with 7 phase of Mume flower contact
Even.
With reference to attached drawing 3, the top of the pole 4 is disposed with leading-out terminal 41, vacuum interrupter 42 and lower outlet
End 43, lower part use hollow structure, the surface of its underpart to be provided with a plurality of reinforcing rib 44, and top of leading-out terminal 41 is provided on this
The static contact of vacuum interrupter 2 is connected by heat conduction platform 411 by the heat conduction platform 411 with radiator 8, the vacuum interrupter 42
Moving contact be connected with lower wire end 43, be connected with spring operating mechanism 2 by insulated tension pole 9, close to vacuum interrupter
The position of moving contact is provided with heat emission hole 45, and ventilation hole 46 is arranged in the position close to 4 bottom of pole, in this way, heat emission hole 45
Convection current is formed with ventilation hole 46, is easy to radiate.
With reference to attached drawing 4, the whole cast aluminium good using thermal conductivity of the radiator 8 is made, and bottom surface is provided with and heat conduction platform
411 corresponding contact platforms 81, multiple radiating grooves 82, other three faces are provided with a plurality of arc radiating ribs 83, the contact platform 81 with lead
Thermal station 411 is fixed by screw-thread fit, increases heat dissipation area by radiating groove 82, radiating ribs 83, so as to pass through more quickly
Contact platform 81, heat conduction platform 411 distribute the heat of vacuum interrupter.
Referring to attached drawing 5, contact arm 5, lower contact arm 6 are all made of casting red copper pipe fitting on this, using hollow structure, outer surface setting
There is a plurality of symmetrical and raised arc reinforcing rib 51, hollow out wears elongated slot 52 in pairs between the arc reinforcing rib, has both increased strong
Degree, and water conservancy diversion and heat dissipation area are increased, bottom centre is provided with large-diameter thread hole 53, around large-diameter thread hole 53
There are four minor diameter threaded holes 54 for even setting, and the large-diameter thread hole 53 and minor diameter threaded hole 54 are used to and pole 4
Cooperation installation, is threadably secured, and contact arm 5, lower contact arm 6 and the contact of pole 4 are secured on this, reduces contact resistance, together
When, contact arm 5 on this, lower contact arm 6 outer surface be provided with sulfuric horizon 55, avoid discharging.
Upper contact arm, lower contact arm of the utility model by casting red copper fitting structure, outer surface is provided with a plurality of left and right pair
The arc reinforcing rib of title and protrusion, increases current carrying area, while fixing by screw-thread fit and pole, reduces and lead back
The contact resistance on road, in addition, using the cast molding of epoxy resin APG techniques by vacuum interrupter sealing in pole
Interior, fastening is reinforced, and is not affected by the external environment, improves insulation performance and mechanical performance.With import high current vacuum circuit breaker
It compares, reduces cost, also, the structure of whole device is simple, application is strong, convenient for promoting.
Although the foregoing describe specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
These are merely examples, under the premise of without departing substantially from the principles of the present invention and essence, can be done to these embodiments
Go out various changes or modifications, therefore, the scope of protection of the utility model is defined by the appended claims.
Claims (5)
1. a kind of high current indoor high-voltage vacuum circuit breaker, including major loop, secondary circuit, the spring of setting on a chassis are grasped
Make mechanism and control loop, the major loop and secondary circuit are separated by frame, including three be arranged on frame structure
Identical pole, the side of the pole are provided with contact arm and lower contact arm, and the upper contact arm, lower contact arm are and plum
Flower contact is connected, it is characterised in that：The top of the pole is disposed with leading-out terminal, vacuum interrupter and lower outlet
End, lower part use hollow structure, and the upper leading-out terminal includes heat conduction platform, by the heat conduction platform by the static contact of vacuum interrupter
It is connected with radiator, the moving contact of the vacuum interrupter is connected with lower wire end, passes through insulated tension pole and operating machine of the spring
Structure is connected, and the position of the moving contact of the vacuum interrupter is provided with heat emission hole, the position close to the pole bottom
Install ventilation hole.
2. high current indoor high-voltage vacuum circuit breaker according to claim 1, it is characterised in that：The pole uses
The cast molding of epoxy resin APG techniques.
3. high current indoor high-voltage vacuum circuit breaker according to claim 1, it is characterised in that：The radiator bottom surface
It is provided with contact platform corresponding with heat conduction platform, multiple radiating grooves, other three faces are provided with a plurality of arc radiating ribs.
4. high current indoor high-voltage vacuum circuit breaker according to claim 1, it is characterised in that：The upper contact arm, it is lower touch
Arm is all made of casting red copper pipe fitting, and outer surface is provided with a plurality of symmetrical and raised arc reinforcing rib, and the arc is reinforced
Hollow out wears elongated slot in pairs between muscle, and bottom centre is provided with large-diameter thread hole, is uniformly arranged around the large-diameter thread hole
There are multiple minor diameter threaded holes, the large-diameter thread hole and minor diameter threaded hole to be used to coordinate with pole and install.
5. high current indoor high-voltage vacuum circuit breaker according to claim 4, it is characterised in that：The upper contact arm, it is lower touch
The outer surface of arm is provided with sulfuric horizon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820234822.XU CN208045397U (en) | 2018-02-09 | 2018-02-09 | A kind of high current indoor high-voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820234822.XU CN208045397U (en) | 2018-02-09 | 2018-02-09 | A kind of high current indoor high-voltage vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208045397U true CN208045397U (en) | 2018-11-02 |
Family
ID=63952686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820234822.XU Expired - Fee Related CN208045397U (en) | 2018-02-09 | 2018-02-09 | A kind of high current indoor high-voltage vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208045397U (en) |
-
2018
- 2018-02-09 CN CN201820234822.XU patent/CN208045397U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181102 Termination date: 20190209 |