CN209199866U - Breaker - Google Patents
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- Publication number
- CN209199866U CN209199866U CN201821516199.3U CN201821516199U CN209199866U CN 209199866 U CN209199866 U CN 209199866U CN 201821516199 U CN201821516199 U CN 201821516199U CN 209199866 U CN209199866 U CN 209199866U
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- CN
- China
- Prior art keywords
- arc
- extinguish chamber
- iron core
- dynamic iron
- thermo
- 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.)
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
Breaker, including shell, operating mechanism, thermo-magnetic system, arc quenching system, the thermo-magnetic system are mainly made of core assembly and coil, and the core assembly includes coil rack and dynamic iron core；Dynamic iron core is packed into coil rack hole；There is an increasing round end in dynamic iron core tail portion；The arc quenching system is made of arc-extinguish chamber and arc piece；Arc-extinguish chamber is made of arc extinguishing iron plate, two arc-extinguish chamber side plates of left and right；Dynamic iron core tail end bar portion in the thermo-magnetic system is mounted in the hole that moving contact groove and moving contact groove are formed；The tail portion of the dynamic iron core tail end bar portion is provided with one and plays the increasing round end for accelerating dynamic/static contact centrifugation when there is line fault；The arc-extinguish chamber side plate and arc piece of the arc-extinguish chamber are made of melamine arc resistant plastic；The features such as it has structure composition reasonable, easy to use and operate, can increase current limiting measures and arc quenching method, improves breaker breaking capacity.
Description
Technical field
The utility model relates to a kind of breakers, belong to low voltage electrical apparatus technology field.
Background technique
Breaker use at present is than wide, for places such as industrial, commercial, high-rise and residential premises, mainly as doing
The overload short circuit in public building, household and the illumination of similar site, distribution line and equipment is protected, also as the infrequently on-off of route
It is used with conversion；But in short-circuit conditions, the moving contact of breaker, which is disconnected mainly by spring, to be completed；Arc-extinguish chamber side plate is by unfavorable
It is made into the material of arc-suppression function.
Summary of the invention
The purpose of the utility model is to overcome the shortcomings of the prior art, and it is reasonable to provide a kind of structure composition, makes
It with easy to operate, can increase current limiting measures and arc quenching method, improve the breaker of breaker breaking capacity.
The purpose of this utility model is completed by following technical solution, a kind of breaker, including shell, operation machine
Structure, thermo-magnetic system, arc quenching system, the thermo-magnetic system are mainly made of core assembly and coil, the core assembly packet
Include coil rack and dynamic iron core；Dynamic iron core is packed into coil rack hole；There is an increasing round end in dynamic iron core tail portion；
The arc quenching system is made of arc-extinguish chamber and arc piece；Arc-extinguish chamber by arc extinguishing iron plate, the first arc-extinguish chamber side plate and
Second arc-extinguish chamber side plate composition；Dynamic iron core tail end bar portion in the thermo-magnetic system be mounted on the first groove of the first moving contact with
In the hole that second groove of the second moving contact is formed.
As preferred: the tail portion of the dynamic iron core tail end bar portion, which is provided with one and plays when there is line fault, to be accelerated to move
The increasing round end of static contact centrifugation；The first arc-extinguish chamber side plate, the second arc-extinguish chamber side plate and the arc piece of the arc-extinguish chamber by
Melamine arc resistant plastic is made.
The utility model is the improvement carried out in prior art basis, it has structure composition reasonable, uses operation side
Just, the features such as can increase current limiting measures and arc quenching method, improving breaker breaking capacity.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that breaker described in the utility model does not install lid.
Fig. 2 is electromagnetic system and moving contact structure schematic diagram described in the utility model.
Fig. 3 is dynamic iron core schematic diagram described in the utility model.
Fig. 4 is arc-extinguish chamber figure described in the utility model.
Fig. 5 is arc-extinguish chamber side plate schematic diagram described in the utility model.
Fig. 6 is arc piece schematic diagram described in the utility model.
Appended drawing reference is: 1, coil rack；2, dynamic iron core；21, dynamic iron core tail portion increases round end；3, arc-extinguish chamber；31,32,
Arc-extinguish chamber side plate；4, thermo-magnetic system；5, shell；6, operating mechanism；7, arc quenching system；8, core assembly；9, coil；10, arc
Piece；11, the first moving contact；12, the second moving contact.
Specific embodiment
It elaborates below in conjunction with attached drawing to the utility model: shown in Fig. 1-6, a kind of breaker, including shell 5,
Operating mechanism 6, thermo-magnetic system 4, arc quenching system 7, the thermo-magnetic system 4 is mainly made of core assembly 8 and coil 9, described
Core assembly 8 include coil rack 1 and dynamic iron core 2；Dynamic iron core 2 is packed into 1 hole of coil rack；There is an increasing in dynamic iron core tail portion
Round end 21；
The arc quenching system 7 is made of arc-extinguish chamber 3 and arc piece 10；Arc-extinguish chamber 3 is by arc extinguishing iron plate 33, the first arc-extinguish chamber
Side plate 31 and the second arc-extinguish chamber side plate 32 composition；2 tail end bar portion 22 of dynamic iron core in the thermo-magnetic system 4 is mounted on the first dynamic touching
In the hole that first 11 the first groove 111 and 12 second grooves 121 of the second moving contact are formed.
As shown in the figure, the tail portion of the 2 tail end bar portion 22 of dynamic iron core is provided with one and plays when there is line fault and adds
The increasing round end 21 of quick-action static contact centrifugation；The first arc-extinguish chamber side plate 31, the second arc-extinguish chamber side plate 32 of the arc-extinguish chamber 3
It is made with arc piece 10 of melamine arc resistant plastic.
Claims (2)
1. breaker, including shell (5), operating mechanism (6), thermo-magnetic system (4), arc quenching system (7), the thermo-magnetic system
(4) it is mainly made of core assembly (8) and coil (9), it is characterised in that the core assembly (8) includes coil rack (1)
With dynamic iron core (2)；Dynamic iron core (2) is packed into coil rack (1) hole；The arc quenching system (7) is by arc-extinguish chamber (3) and arc piece
(10) it forms；Arc-extinguish chamber (3) is made of arc extinguishing iron plate (33), the first arc-extinguish chamber side plate (31) and the second arc-extinguish chamber side plate (32)；
Dynamic iron core (2) tail end bar portion (22) in the thermo-magnetic system (4) be mounted on the first groove (111) of the first moving contact (11) with
In the hole that (12) second grooves (121) of the second moving contact are formed.
2. breaker according to claim 1, it is characterised in that the tail portion of dynamic iron core (2) the tail end bar portion (22) is arranged
There is one to play the increasing round end (21) for accelerating dynamic/static contact centrifugation when there is line fault；The arc-extinguish chamber (3)
First arc-extinguish chamber side plate (31), the second arc-extinguish chamber side plate (32) and arc piece (10) are made of melamine arc resistant plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821516199.3U CN209199866U (en) | 2018-09-17 | 2018-09-17 | Breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821516199.3U CN209199866U (en) | 2018-09-17 | 2018-09-17 | Breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209199866U true CN209199866U (en) | 2019-08-02 |
Family
ID=67406295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821516199.3U Active CN209199866U (en) | 2018-09-17 | 2018-09-17 | Breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209199866U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148236A (en) * | 2018-09-17 | 2019-01-04 | 美高电气科技有限公司 | A kind of breaker |
| CN111243911A (en) * | 2020-01-15 | 2020-06-05 | 美高电气科技有限公司 | Novel mechanical mechanism circuit breaker |
-
2018
- 2018-09-17 CN CN201821516199.3U patent/CN209199866U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148236A (en) * | 2018-09-17 | 2019-01-04 | 美高电气科技有限公司 | A kind of breaker |
| CN111243911A (en) * | 2020-01-15 | 2020-06-05 | 美高电气科技有限公司 | Novel mechanical mechanism circuit breaker |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |