CN205959932U - Circuit breaker striking structure - Google Patents
Circuit breaker striking structure Download PDFInfo
- Publication number
- CN205959932U CN205959932U CN201620836600.6U CN201620836600U CN205959932U CN 205959932 U CN205959932 U CN 205959932U CN 201620836600 U CN201620836600 U CN 201620836600U CN 205959932 U CN205959932 U CN 205959932U
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- Prior art keywords
- arc
- exhaust passage
- chutes
- base
- circuit breaker
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- Arc-Extinguishing Devices That Are Switches (AREA)
- Breakers (AREA)
Abstract
The utility model provides a circuit breaker striking structure, includes base and explosion chamber, the base in install explosion chamber, electromagnetic mechanism and connection terminal, still be equipped with the first side wall and the second lateral wall that are used for location installation explosion chamber in the base, the first side wall is located between electromagnetic mechanism and the explosion chamber, the second lateral wall be located between the connection terminal of explosion chamber and circuit breaker leading -out terminal, be connected through the wiring board between the connection terminal of electromagnetic mechanism and circuit breaker leading -out terminal, having formed exhaust passage A between the play arc side of second lateral wall and explosion chamber, having seted up the gas vent on the first side wall, formed exhaust passage B between the first side wall and the wiring board, the gas that the arc extinguishing in -process produced can be overflowed through exhaust passage A and exhaust passage B. The utility model provides an arc extinguishing ability reinforce, the circuit breaker striking structure that the arc extinguishing process is stable, mounting structure is simple.
Description
Technical field
This utility model is related to Low Voltage Electrical Apparatus, more particularly to a kind of circuit breaker arc striking structure.
Background technology
In the breaking course of contact, because ionization can produce electric arc, this electric arc will produce arc voltage to chopper,
Then electric arc is shifted to arc-chutes from voltage contact area, has grid arc-control device in arc-chutes, and electric arc is contacted with grid,
Electric arc is divided, does not reach burning voltage, and grid can absorb the heat of electric arc so that arc extinction simultaneously.The mistake of arc extinction
Cheng Zhonghui produce high-temperature gas, existing chopper some and be not provided with aerofluxuss striking passage so that produce gas cannot
Discharge, although some choppers are provided with aerofluxuss striking passage, aerofluxuss striking passage set location is unreasonable so that aerofluxuss are imitated
Really bad, also result in arc-chutes arc extinguishing pressure distribution inequality, when local arc extinguishing pressure is excessive, this position grid may be caused
The fusing of lattice.
Utility model content
The purpose of this utility model is to overcome the defect of prior art, provides that a kind of arc extinguishing ability is strong, arc extinguishing process is steady
Fixed, mounting structure simple circuit breaker arc striking structure.
For achieving the above object, this utility model employs following technical scheme：
A kind of circuit breaker arc striking structure, including base 1 and arc-chutes 6, is provided with arc-chutes 6, electromagnetism in described base 1
Mechanism 3 and junction block 8, are additionally provided with the first side wall 63 for location and installation arc-chutes 6 and second sidewall 64 in base 1, described
The first side wall 63 is located between electromagnetic mechanism 3 and arc-chutes 6, and described second sidewall 64 is located at arc-chutes 6 and breaker outgoing line
Between the junction block 8 at end, it is connected by patch panel 9 between electromagnetic mechanism 3 and the junction block 8 at breaker outgoing line end.Second side
Wall 64 and arc-chutes 6 go out to define exhaust passage A between arc side 65, exhaust passage A one end goes out arc side 65 phase with arc-chutes 6
Connection, the other end is connected with the outside of base 1, and the first side wall 63 offers air vent 66, the first side wall 63 and patch panel 9
Between define exhaust passage B, exhaust passage B one end is connected with air vent 66, and the other end is connected with the outside of base 1,
The gas producing during arc extinguishing can be by exhaust passage A and exhaust passage B effusion.
Further, described the first side wall 63 is connected with second sidewall 64, goes out one end and the exhaust passage A phase of arc side 65
Connection, the other end is connected with exhaust passage B.
Further, described base 1 edge is provided with the wire connection cavity 11 of the junction block 8 for installing breaker outgoing line end, connects
The side of line chamber 11 is arc-chutes 6, and opposite side is connected with outside base 1, and the end of exhaust passage B is placed in wire connection cavity 11 simultaneously
By wire connection cavity 11, arc extinguishing gases are discharged.
Further, described one end of patch panel 9 and air vent 66 are oppositely arranged, and the other end is connected with junction block 8, gas
Body escapes tailing edge patch panel 9 from air vent 66 and discharges base 1.
Further, the width at the starting point end of described exhaust passage B is less than the width of the destination terminal of exhaust passage B.
Further, described base 1 includes bottom sidewall 101, and described arc-chutes 6 are located at bottom sidewall 101 and electromagnetism
Between mechanism 3, and through hole 102 is provided with bottom sidewall 101, described through hole 102 is connected with the destination terminal of exhaust passage A
Logical.
Further, described second sidewall 64 is provided with the bending part 64a for water conservancy diversion arc extinguishing gases, described bending part
One end of 64a is connected with through hole 102, and the other end is oppositely arranged with going out arc side 65.
Further, described bottom sidewall 101 is provided with the boss structure 67 for location and installation arc-chutes 6, and
Form the exhaust passage A for water conservancy diversion arc extinguishing gases between boss structure 67 and bending part 64.
Further, the destination terminal of described exhaust passage B is arranged on the side wall of the base 1 of connection adjacent with bottom sidewall 101
On.
Further, it is also equipped with static contact 4, moving contact 5, magnetic conductive board 12, arc separating wall 13 and bimetallic in described base 1
Piece 7, described bimetal leaf 7 is arranged between moving contact 5 and the junction block 8 of chopper end of incoming cables, and the two ends of bimetal leaf 7 are divided
It is not connected with moving contact 5 and junction block 8, described static contact 4 is electrically connected with electromagnetic mechanism 3, between static contact 4 and base 1
The magnetic conductive board 12 of rigidity material is installed, the arc separating wall 13 of aerogenesis material is provided with magnetic conductive board 12, side is provided with electromagnetic motor
Structure 3 and arc-chutes 6, opposite side is provided with moving contact 5.
Circuit breaker arc striking structure of the present utility model, by the exhaust passage A that is arranged in base 1 and exhaust passage B, makes
The gas producing during arc extinguishing can be escaped by exhaust passage A and exhaust passage B, and the mobile band galvanic electricity arc of gas is to upper and lower two
Individual direction is moved, and being conducive to electric arc in arc extinguishing interior formation short arc it is achieved that accelerating the effect of arc extinction, improve chopper
Arc extinguishing ability.Additionally, exhaust passage A is connected with the two ends going out arc side of arc-chutes respectively with exhaust passage B, equalizes and gone out
The pressure at arc chamber two ends, improves the arc extinguishing ability of chopper.
Brief description
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the partial structural diagram of Fig. 1.
Specific embodiment
The embodiment being given below in conjunction with accompanying drawing 1 and Fig. 2, further illustrates the tool of this utility model circuit breaker arc striking structure
Body embodiment.Circuit breaker arc striking structure of the present utility model is not limited to the following description.
As shown in figure 1, a kind of circuit breaker arc striking structure, including base 1 and arc-chutes 6, it is also equipped with described base 1
Operating mechanism 2, electromagnetic mechanism 3, static contact 4, moving contact 5, bimetal leaf 7, be separately mounted to base both sides junction block 8, every
Arc wall 13 and be placed on the magnetic conductive board 12 below arc separating wall 13.Operating mechanism 2 and arc-chutes 6 are respectively placed in the top of electromagnetic mechanism 3
Portion and bottom, described static contact 4 is electrically connected with electromagnetic mechanism 3, and the side of static contact 4 is provided with electromagnetic mechanism 3 and arc extinguishing
Room 6, the opposite side of static contact 4 is provided with moving contact 5.The magnetic conductive board 12 of rigid is installed between static contact 4 and base 1,
The arc separating wall 13 of aerogenesis material is provided with magnetic conductive board 12.For example, arc separating wall 13 can be polyformaldehyde or red steel paper.Described is dynamic
Contact 5 is electrically connected with one end of bimetal leaf 7, and the other end of bimetallic 7 is connected with the junction block 8 of chopper end of incoming cables.Institute
The electromagnetic mechanism 3 stated is electrically connected with the junction block 8 at breaker outgoing line end.
Described arc-chutes 6 are into arc side 61 near the side of static contact 4, and arc-chutes 6 away from the opposite side of static contact 4 are
Go out arc side 65, what the striking foot 41 of static contact 4 end was placed in arc-chutes 6 enters arc side 61.Stationary contact during breaker closing
4 can be contacted with moving contact 5 formation electrical connection.Base 1 includes bottom sidewall 101, and arc-chutes 6 are located at bottom sidewall 101 He
Between electromagnetic mechanism 3.It is additionally provided with run-on tab 10, one end of run-on tab 10 is connected with bimetal leaf 7, other end position in base 1
Between bottom sidewall 101 and arc-chutes 6, electric arc is introduced inside arc-chutes 6 with striking foot 41 collective effect by run-on tab 10,
Thus improve the striking ability of chopper.
As shown in Fig. 2 being provided with the oriented side wall for location and installation arc-chutes 6 in described base 1, oriented side wall includes
The first side wall 63 and second sidewall 64, described the first side wall 63 is located between electromagnetic mechanism 3 and arc-chutes 6, and described second
Side wall 64 is located between the junction block 8 at breaker outgoing line end and arc-chutes 6, second sidewall 64 and go out the row of defining between arc side 65
Gas passage A, one end of described exhaust passage A is connected with arc-chutes 6, and the other end is connected with the outside of base 1.The first side wall
Offer air vent 66 on 63, patch panel 9 be installed in base 1, the two ends of described patch panel 9 respectively with breaker outgoing line end
Junction block 8 and electromagnetic mechanism 3 are connected, and define exhaust passage B, described exhaust passage B between the first side wall 63 and patch panel 9
One end be connected with air vent 66, the other end is connected with the outside of base 1.Preferably, described the first side wall 63 and
Two side walls 64 are connected, and the one end going out arc side 65 is connected with exhaust passage A, and the other end is connected with exhaust passage B.Work as contact
Between after the electric arc that produces enters in arc-chutes 6, along with the generation of electric arc, the gas that formed in voltage contact area can be through
The arc side 65 that goes out crossing arc-chutes 6 is passed through outside exhaust passage A and exhaust passage B both direction effusion product.So, arc-chutes 6
The speed of the mobile effusion of interior gas is accelerated, and the high-speed mobile of gas can drive electric arc to move to upper and lower both direction, is conducive to
Electric arc forms multiple short arcs in arc-chutes 6, reaches the purpose of striking.Additionally, exhaust passage A and exhaust passage B respectively with go out
The two ends going out arc side 65 of arc chamber 6 are connected, and have equalized the pressure at arc-chutes 6 two ends, improve the arc extinguishing ability of chopper.
Described base 1 includes bottom sidewall 101, described arc-chutes 6 be located at bottom sidewall 101 and electromagnetic mechanism 3 it
Between, and through hole 102 is provided with bottom sidewall 101, described through hole 102 is connected with the destination terminal of exhaust passage A.Specifically
Ground, described second sidewall 64 is provided with the bending part 64a for water conservancy diversion arc extinguishing gases, described one end of bending part 64a with logical
Hole 102 is connected, and the other end is oppositely arranged with going out arc side 65.Preferably, described bottom sidewall 101 is provided with for positioning
The boss structure 67 of arc-chutes 6 is installed, and between boss structure 67 and bending part 64a, forms the row for water conservancy diversion arc extinguishing gases
Gas passage A.The arc-chutes of chopper are provided protective effect by the gas that exhaust passage A produces during can discharging arc extinguishing.Bending
The common flowing to gas has carried out guiding so that flowing to of gas is relatively stable, beneficial to discharge to portion 64a with boss structure 67.
Described base 1 edge is provided with the wire connection cavity 11 of the junction block 8 for installing breaker outgoing line end, wire connection cavity 11
Side is arc-chutes 6, and opposite side is connected with outside base 1, and the end of exhaust passage B is placed in wire connection cavity 11 and passes through wiring
Arc extinguishing gases are discharged by chamber 11.Specifically, described one end of patch panel 9 and air vent 66 are oppositely arranged, the other end and wiring
Seat 8 is connected, and gas escapes tailing edge patch panel 9 from air vent 66 and discharges base 1.Preferably, the starting point of described exhaust passage B
The width at end is less than the width of the destination terminal of exhaust passage B, beneficial to the discharge of gas, the destination terminal of exhaust passage B be arranged on
On the side wall of the base 1 of the adjacent connection of bottom sidewall 101.Exhaust passage B has shared the pressure of exhaust passage A, by arc-chutes 6
Electric arc carried out shunting so that arc energy is more fully cooled extinguishes, improve the service efficiency of arc-chutes 6 and use the longevity
Life.With being oppositely arranged of patch panel 9, air vent 66 can ensure that gas is discharged by exhaust passage B, improve stablizing of gas flow
Property.
As shown in Figure 1 the circuit breaker arc striking structure in embodiment work process as follows：Operating mechanism 2 when chopper
Handle 21 closure when, band pneumatic operating mechanism 2 so that moving contact 5 is connected with static contact 4, circuit turn-on；When short circuit in circuit,
Push rod on electromagnetic mechanism 3 promotes operating mechanism 2, makes moving contact 5 switch to off-state by closure, circuit disconnects；When circuit goes out
When now transshipping, bimetal leaf 7 heated bending band pneumatic operating mechanism 2 makes moving contact 5 switch to off-state by closure state, and circuit breaks
Open.The electric arc that circuit disconnects moment generation is gone out conducting arc-chutes 6 by the striking foot 41 on static contact 4 and run-on tab 10
Arc.Electric arc is divided into short arc in arc-chutes 6, and then extinguishes, and the gas producing during arc extinguishing is through exhaust passage A and aerofluxuss
Passage B discharges.And bimetal leaf 7 is arranged between moving contact 5 and the junction block 8 of chopper end of incoming cables, will not be to the first side
Exhaust passage B between wall 63 and patch panel 9 causes to block, and meets the needs of exhaust passage B formation.
Above content be with reference to specific preferred implementation further detailed description of the utility model it is impossible to
Identification is of the present utility model to be embodied as being confined to these explanations.Ordinary skill for this utility model art
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should regard
For belonging to protection domain of the present utility model.
Claims (10)
1. a kind of circuit breaker arc striking structure, including base (1) and arc-chutes (6) it is characterised in that：Peace in described base (1)
Equipped with arc-chutes (6), electromagnetic mechanism (3) and junction block (8), in base (1), it is additionally provided with for location and installation arc-chutes (6)
Side wall (63) and second sidewall (64), described the first side wall (63) is located between electromagnetic mechanism (3) and arc-chutes (6), described
Second sidewall (64) be located between arc-chutes (6) and the junction block (8) at breaker outgoing line end, electromagnetic mechanism (3) and chopper
It is connected by patch panel (9) between the junction block (8) of leading-out terminal；
Second sidewall (64) and arc-chutes (6) go out to define exhaust passage A between arc side (65), exhaust passage A one end with go out
The arc side (65) that goes out of arc chamber (6) is connected, and the other end is connected with the outside of base (1), the row of offering on the first side wall (63)
QI KOU (66), defines exhaust passage B, exhaust passage B one end and air vent (66) between the first side wall (63) and patch panel (9)
It is connected, the other end is connected with the outside of base (1), the gas producing during arc extinguishing can pass through exhaust passage A and aerofluxuss
Passage B escapes.
2. circuit breaker arc striking structure according to claim 1 it is characterised in that：Described the first side wall (63) and the second side
Wall (64) is connected, and the one end going out arc side (65) is connected with exhaust passage A, and the other end is connected with exhaust passage B.
3. circuit breaker arc striking structure according to claim 1 and 2 it is characterised in that：Described base (1) edge is provided with use
In the wire connection cavity (11) of the junction block (8) installing breaker outgoing line end, the side of wire connection cavity (11) is arc-chutes (6), opposite side
It is connected with outside base (1), the end of exhaust passage B is placed in wire connection cavity (11) and passes through wire connection cavity (11) by arc extinguishing gases
Discharge.
4. circuit breaker arc striking structure according to claim 3 it is characterised in that：Described one end of patch panel (9) and row
QI KOU (66) is oppositely arranged, and the other end is connected with junction block (8), and gas is from air vent (66) effusion tailing edge patch panel (9) row
Go out base (1).
5. circuit breaker arc striking structure according to claim 1 it is characterised in that：The starting point end of described exhaust passage B
Width is less than the width of the destination terminal of exhaust passage B.
6. circuit breaker arc striking structure according to claim 1 it is characterised in that：Described base (1) includes bottom sidewall
(101), described arc-chutes (6) are located between bottom sidewall (101) and electromagnetic mechanism (3), and set in bottom sidewall (101)
It is equipped with through hole (102), described through hole (102) is connected with the destination terminal of exhaust passage A.
7. circuit breaker arc striking structure according to claim 6 it is characterised in that：Described second sidewall (64) be provided with for
The bending part (64a) of water conservancy diversion arc extinguishing gases, described one end of bending part (64a) is connected with through hole (102), the other end with go out
Arc side (65) is oppositely arranged.
8. circuit breaker arc striking structure according to claim 7 it is characterised in that：Described bottom sidewall (101) is upper to be arranged
There is the boss structure (67) for location and installation arc-chutes (6), and between boss structure (67) and bending part (64a), form use
Exhaust passage A in water conservancy diversion arc extinguishing gases.
9. circuit breaker arc striking structure according to claim 7 it is characterised in that：The destination terminal setting of described exhaust passage B
On the side wall of the base (1) of connection adjacent with bottom sidewall (101).
10. circuit breaker arc striking structure according to claim 1 it is characterised in that：It is also equipped with quiet in described base (1)
Contact (4), moving contact (5), bimetal leaf (7), magnetic conductive board (12) and arc separating wall (13), described bimetal leaf (7) is arranged on
Between the junction block (8) of moving contact (5) and chopper end of incoming cables, the two ends of bimetal leaf (7) respectively with moving contact (5) and wiring
Seat (8) is connected, and described static contact (4) is electrically connected with electromagnetic mechanism (3), is provided with steel between static contact (4) and base (1)
The magnetic conductive board (12) of property material, is provided with the arc separating wall (13) of aerogenesis material, side is provided with electromagnetic mechanism on magnetic conductive board (12)
(3) and arc-chutes (6), opposite side is provided with moving contact (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620836600.6U CN205959932U (en) | 2016-08-04 | 2016-08-04 | Circuit breaker striking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620836600.6U CN205959932U (en) | 2016-08-04 | 2016-08-04 | Circuit breaker striking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205959932U true CN205959932U (en) | 2017-02-15 |
Family
ID=57972982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620836600.6U Active CN205959932U (en) | 2016-08-04 | 2016-08-04 | Circuit breaker striking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205959932U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113889383A (en) * | 2021-08-31 | 2022-01-04 | 浙江渤创电力科技有限公司 | Circuit breaker |
| CN114156144A (en) * | 2020-09-07 | 2022-03-08 | 上海良信电器股份有限公司 | Circuit breaker |
| CN114649153A (en) * | 2020-12-21 | 2022-06-21 | 天津首瑞智能电气有限公司 | Switch |
| WO2022135040A1 (en) * | 2020-12-25 | 2022-06-30 | 浙江奥来电器有限公司 | N-pole arc extinguishing device of circuit breaker |
-
2016
- 2016-08-04 CN CN201620836600.6U patent/CN205959932U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114156144A (en) * | 2020-09-07 | 2022-03-08 | 上海良信电器股份有限公司 | Circuit breaker |
| CN114649153A (en) * | 2020-12-21 | 2022-06-21 | 天津首瑞智能电气有限公司 | Switch |
| WO2022135040A1 (en) * | 2020-12-25 | 2022-06-30 | 浙江奥来电器有限公司 | N-pole arc extinguishing device of circuit breaker |
| CN113889383A (en) * | 2021-08-31 | 2022-01-04 | 浙江渤创电力科技有限公司 | Circuit breaker |
| CN113889383B (en) * | 2021-08-31 | 2023-09-05 | 浙江渤创电力科技有限公司 | Circuit breaker |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |