CN202454480U - Arc extinguish chamber structure for circuit breaker - Google Patents
Arc extinguish chamber structure for circuit breaker Download PDFInfo
- Publication number
- CN202454480U CN202454480U CN2012200631626U CN201220063162U CN202454480U CN 202454480 U CN202454480 U CN 202454480U CN 2012200631626 U CN2012200631626 U CN 2012200631626U CN 201220063162 U CN201220063162 U CN 201220063162U CN 202454480 U CN202454480 U CN 202454480U
- Authority
- CN
- China
- Prior art keywords
- spring
- control board
- hinged
- quiet
- side sections
- 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
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 240000008866 Ziziphus nummularia Species 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract 2
- 238000013461 design Methods 0.000 description 4
- 241001247821 Ziziphus Species 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011981 development test Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model belongs to the field of circuit breakers of high-voltage gas insulated switchgears, and relates to an arc extinguish chamber structure for a circuit breaker. The arc extinguish chamber structure comprises a spring mechanism, a transmission system and a moving side part, which are sequentially connected. The arc extinguish chamber structure also comprises a stationary side part matched with the moving side part. The transmission system is provided with an inner crank arm and an outer crank arm, which can rotate and are arranged to form an L shape, and the inner crank arm is hinged with an insulating pull rod. The spring mechanism comprises a motor, an opening spring, a closing spring and a V-shaped arm, wherein the motor is connected with a control board of the opening spring and a control board of the closing spring through a ratchet-lug bar set respectively; the control board of the opening spring is hinged with one end of the V-shaped arm through a push rod; the control board of the closing spring is hinged with the root part of the V-shaped arm through a push rod; and the other end of the V-shaped arm is hinged with the outer crank arm through a connecting rod. The arc extinguish chamber structure has the advantages that a product mechanism is simplified; and an imported hydraulic spring mechanism is replaced by a homemade all-spring mechanism, so that the cost of the product is lowered, breaking capability is improved, and the competitiveness of the product is enhanced.
Description
Technical field
The utility model belongs to SF
6The gas-insulated high-voltage switch field of circuit breakers relates to a kind of breaker arc extinguishing cell structure.
Background technology
Primary cut-out arc control device on-load interrupting process is an extremely complicated physical process that relates to specialty such as thermodynamics, aerodynamics, electromagnetism and High-Voltage Insulation, the burning of electric arc with extinguish with arc quenching chamber structure closely bound up.Present stage; Circuit breaker in the gas-insulated metal-enclosed formula combined electrical apparatus of 220-550kV (GIS) is single air chamber air pressing type arc control device of the hydraulic spring mechanism drive of import; This arc control device design is to serve as the experience design of basis combination development test with theoretical qualitative analysis; Project organization is complicated, the processing and manufacturing cost is high, technical performance is low, and product competitiveness is poor.
Summary of the invention
The utility model is in order to remedy the deficiency of prior art, provide a kind of simple in structure, cost is low, the breaker arc extinguishing cell structure of dependable performance.
The utility model is realized through following technical scheme:
The breaker arc extinguishing cell structure of the utility model; Comprise the spring mechanism, drive system, insulated tension pole and the moving side sections that connect successively; Also comprise the quiet side sections that cooperates with moving side sections; Quiet side sections is provided with quiet main contact and quiet arc contact, and moving side sections is provided with the moving main contact that can cooperate with quiet main contact, insulated tension pole be provided with polytetrafluoroethylene high pressure spout with can with the moving arcing contact of quiet arc contacts mates; Drive system is provided with the interior connecting lever and outer connecting lever that can rotate also L-shaped installation, the hinged insulated tension pole of interior connecting lever; Its special character is: spring mechanism comprises motor, tripping spring, switching-in spring and V-arrangement arm; Motor is respectively through the secondary control board of tripping spring and the control board of switching-in spring of connecting of a cover ratchet sour jujube bar; The control board of tripping spring is through an end of the hinged V-arrangement arm of push rod; The control board of switching-in spring is through the root of the hinged V-arrangement arm of push rod, and the other end of V-arrangement arm is through the outer connecting lever of rod hinge connection.
The beneficial effect of the utility model is that this product has been realized the single air chamber self extinguishing type of 50kA arc extinguishing, miniaturization, full spring mechanism design.Simplified product structure, changed homemade full spring mechanism into by the imported hydraulic spring mechanism, reduced product cost, product cost reduces by 40%, and dependable performance has improved connecting-disconnecting function, cut-offs rated short circuit current and brings up to 50kA from 40kA, has strengthened product competitiveness.This design is mainly used in 220-550kV Cubicle Gas-Insulated Switchgear (GIS) circuit breaker.
Description of drawings
Fig. 1 is traditional arc quenching chamber structure figure.Fig. 2 is the utility model arc quenching chamber structure figure.
Among the figure: 1 quiet side sections, 2 insulated tension poles, 3 moving side sections, 4 drive systems, 5 spring mechanisms, 6 interior connecting levers, 7 outer connecting levers, 8 motor, 9 tripping springs, 10 switching-in springs, 11 V-arrangement arms, 12 connecting rods.
Embodiment
Accompanying drawing is a kind of specific embodiment of the utility model.
The breaker arc extinguishing cell structure of the utility model; Comprise the spring mechanism 5, drive system 4, insulated tension pole 2 and the moving side sections 3 that connect successively; Also comprise the quiet side sections 1 that cooperates with moving side sections; Quiet side sections 1 is provided with quiet main contact and quiet arc contact, and moving side sections 3 is provided with the moving main contact that can cooperate with quiet main contact, insulated tension pole 2 be provided with polytetrafluoroethylene high pressure spout and can with the moving arcing contact of quiet arc contacts mates; Drive system 4 is provided with the interior connecting lever 6 and outer connecting lever 7 that can rotate also L-shaped installation, the hinged insulated tension pole 2 of interior connecting lever.Spring mechanism 5 comprises motor 8, tripping spring 9, switching-in spring 10 and V-arrangement arm 11; Motor 8 is respectively through the secondary control board of tripping spring and the control board of switching-in spring of connecting of a cover ratchet sour jujube bar; The control board of tripping spring 9 is through an end of the hinged V-arrangement arm 11 of push rod; The control board of switching-in spring 10 is through the root of the hinged V-arrangement arm of push rod, and the other end of V-arrangement arm is through connecting rod 12 hinged outer connecting levers 7.
The breaker arc extinguishing cell structure of the utility model, tripping spring 9 reaches compressive state with switching-in spring 10 through Motor Drive ratchet sour jujube bar pair, thus storage power.Switching-in spring ejects and realizes closing function when releasing energy; Insulated tension pole and moving side sections are moved forward contact that (moving arcing contact of insulated tension pole front end moves forward with quiet side sections through V-arrangement arm 11, connecting rod 12 and interior connecting lever, outer connecting lever; The moving main contact of moving side sections moves forward), circuit turn-on.Tripping spring ejects realizes the separating brake function when releasing energy, insulated tension pole is moved with moving side sections backward separate with quiet side sections, and circuit breaks off, ejection polytetrafluoroethylene, extinguish arcs.
Claims (1)
1. breaker arc extinguishing cell structure; Comprise the spring mechanism (5), drive system (4), insulated tension pole (2) and the moving side sections (3) that connect successively; Also comprise the quiet side sections (1) that cooperates with moving side sections; Quiet side sections (1) is provided with quiet main contact and quiet arc contact, and moving side sections (3) is provided with the moving main contact that can cooperate with quiet main contact, insulated tension pole (2) be provided with polytetrafluoroethylene high pressure spout and can with the moving arcing contact of quiet arc contacts mates; Drive system (4) is provided with the interior connecting lever (6) and the outer connecting lever (7) that can rotate also L-shaped installation, the hinged insulated tension pole of interior connecting lever (2); It is characterized in that: spring mechanism (5) comprises motor (8), tripping spring (9), switching-in spring (10) and V-arrangement arm (11); Motor (8) is respectively through the secondary control board of tripping spring and the control board of switching-in spring of connecting of a cover ratchet sour jujube bar; The control board of tripping spring (9) is through an end of the hinged V-arrangement arm of push rod (11); The control board of switching-in spring (10) is through the root of the hinged V-arrangement arm of push rod, and the other end of V-arrangement arm is through the hinged outer connecting lever of connecting rod (12) (7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012200631626U CN202454480U (en) | 2012-02-27 | 2012-02-27 | Arc extinguish chamber structure for circuit breaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012200631626U CN202454480U (en) | 2012-02-27 | 2012-02-27 | Arc extinguish chamber structure for circuit breaker |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202454480U true CN202454480U (en) | 2012-09-26 |
Family
ID=46870321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2012200631626U Expired - Fee Related CN202454480U (en) | 2012-02-27 | 2012-02-27 | Arc extinguish chamber structure for circuit breaker |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202454480U (en) |
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2012
- 2012-02-27 CN CN2012200631626U patent/CN202454480U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20150227 |
|
EXPY | Termination of patent right or utility model |