CN203631461U - Mini circuit breaker - Google Patents
Mini circuit breaker Download PDFInfo
- Publication number
- CN203631461U CN203631461U CN201320720977.1U CN201320720977U CN203631461U CN 203631461 U CN203631461 U CN 203631461U CN 201320720977 U CN201320720977 U CN 201320720977U CN 203631461 U CN203631461 U CN 203631461U
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- CN
- China
- Prior art keywords
- circuit breaker
- grid
- control device
- arc
- arc control
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Abstract
The utility model relates to a mini circuit breaker, belonging to the field of low-voltage electric appliances. The mini circuit breaker comprises a housing and an explosion chamber which is mounted on the housing; and is characterized by also comprising arc-ignition iron and a grid, wherein the arc-ignition iron and the grid are respectively positioned at the two sides of the explosion chamber, the arc-ignition iron is arranged in a port portion of the explosion chamber, the center of the arc-ignition iron is provided with an insulator, and the grid is communicated with the explosion chamber. The mini circuit breaker provided by the utility model is simple in structure, reasonable in design, strong in connecting/disconnecting capabilities and good in heat radiation effect.
Description
Technical field
The utility model relates to a kind of miniature circuit breaker, belongs to Low Voltage Electrical Apparatus.
Background technology
Arc control device are as an important component part of circuit breaker, the main extinguish arcs that plays a part in the time that circuit breaker cut-offs, the quality of its arc quenching effect has a great impact the short circuit interruption performance of circuit breaker, and traditional arc extinguishing structure has been difficult to improve the break performance of circuit breaker.
Chinese patent 201570460U discloses a kind of plug in circuit breaker and has comprised shell, and handle, male adapter, arc control device, guide, run-on tab, solenoid, connecting plate, yoke and stationary contact bar are installed on shell; Handle is rotatably connected on shell; Guide and run-on tab lay respectively at the both sides of arc control device, and guide is fixedly connected with yoke, and run-on tab is fixedly connected with stationary contact bar; Male adapter comprises left plug and right plug, and right plug is fixedly connected with stationary contact bar, and left plug is fixedly connected with connecting plate; Connecting plate is connected with solenoid; Solenoid is fixed in yoke; It is characterized in that: also comprise clip, armature, movable feeler lever and snap close; Described clip one end is rotatably connected on handle, and the other end is rotatably connected on movable feeler lever; Described snap close is rotatably connected on shell; Described armature one end is rotatably connected in yoke, and it coordinates with snap close and solenoid respectively; Described movable feeler lever is connected with yoke, and it coordinates with snap close and stationary contact bar respectively.The break performance of the short-circuiting device proposing described in above-mentioned patent is desirable not enough.
Utility model content
Technical problem to be solved in the utility model is to overcome deficiency of the prior art, object be to provide a kind of simple in structure, reasonable in design, break performance power strong, the miniature circuit breaker of good heat dissipation effect.
The technical scheme in the invention for solving the above technical problem is: this miniature circuit breaker, comprise shell, be arranged on arc control device on shell, characterized by further comprising striking iron and grid, described striking iron and grid are installed on shell, described striking iron and grid lay respectively at the both sides of arc control device, described striking iron is arranged on the port part of arc control device, and described striking iron center is provided with insulator, and described grid is connected with arc control device.
Striking iron described in the utility model is U-shaped.
Grid described in the utility model adopts aluminium material to make.
Striking iron described in the utility model is magnet.
In arc control device described in the utility model, be provided with the arc extinguishing grid pieces being staggeredly placed, described arc extinguishing grid pieces is pasted with a red steel paper plate.
The utility model compared with prior art has the following advantages: 1, simple in structure, reasonable in design; 2, break performance power is strong, is provided with the arc extinguishing grid pieces being staggeredly placed in arc control device, is pasted with red steel paper on arc extinguishing grid pieces, has greatly improved the break performance power of arc control device; 3, good heat dissipation effect, arc control device are communicated with the grid of aluminium material, and good heat dissipation effect can effectively improve circuit breaker performance.
Accompanying drawing explanation
Fig. 1 is the utility model example structure schematic diagram.
Fig. 2 is the utility model embodiment striking iron construction schematic diagram.
In figure: shell 1, arc control device 2, flash barrier 3, delayed releasing mechanism 4, clamp 5, handle 6, instantaneous trip mechanism 7, striking iron 8, grid 9, insulator 10.
Embodiment
Referring to Fig. 1-2, this miniature circuit breaker, comprise shell 1, be arranged on the parts such as arc control device 2 on shell 1, flash barrier 3, delayed releasing mechanism 4, clamp 5, handle 6, instantaneous trip mechanism 7, its housing 1, flash barrier 3, delayed releasing mechanism 4, clamp 5, handle 6, instantaneous trip mechanism 7 etc. are prior art.
The present embodiment also comprises striking iron 8 and grid 9, striking iron 8 and grid 9 are installed on shell 1, striking iron 8 and grid 9 lay respectively at the both sides of arc control device 2, striking iron 8 is arranged on the port part of arc control device 2, striking iron 8 centers are provided with insulator 10, and described grid 9 is connected with arc control device 2, and the grid 9 that arc control device 2 are communicated with aluminium material uses as through hole, good heat dissipation effect, can effectively improve circuit breaker performance and fail safe.
In the present embodiment arc control device 2, be provided with the arc extinguishing grid pieces being staggeredly placed, arc extinguishing grid pieces is pasted with a red steel paper plate, can effectively improve the breaking capacity of circuit breaker, and the present embodiment striking iron 8 is U-shaped.
The present embodiment grid 9 adopts aluminium material to make.
The present embodiment striking iron 8 is magnet.
Above content described in this specification is only to the explanation of the utility model structure example.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, all should belong to protection range of the present utility model.
Claims (5)
1. a miniature circuit breaker, comprise shell, be arranged on arc control device on shell, it is characterized in that: also comprise striking iron and grid, described striking iron and grid are installed on shell, described striking iron and grid lay respectively at the both sides of arc control device, described striking iron is arranged on the port part of arc control device, and described striking iron center is provided with insulator, and described grid is connected with arc control device.
2. miniature circuit breaker according to claim 1, is characterized in that: described striking iron is U-shaped.
3. miniature circuit breaker according to claim 1, is characterized in that: described grid adopts aluminium material to make.
4. miniature circuit breaker according to claim 1, is characterized in that: described striking iron is magnet.
5. miniature circuit breaker according to claim 1, is characterized in that: in described arc control device, be provided with the arc extinguishing grid pieces being staggeredly placed, described arc extinguishing grid pieces is pasted with a red steel paper plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320720977.1U CN203631461U (en) | 2013-11-15 | 2013-11-15 | Mini circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320720977.1U CN203631461U (en) | 2013-11-15 | 2013-11-15 | Mini circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203631461U true CN203631461U (en) | 2014-06-04 |
Family
ID=50817913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320720977.1U Expired - Fee Related CN203631461U (en) | 2013-11-15 | 2013-11-15 | Mini circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203631461U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143492A (en) * | 2014-07-31 | 2014-11-12 | 华通机电股份有限公司 | Small circuit breaker with wire holder assisting in arc extinguishment |
-
2013
- 2013-11-15 CN CN201320720977.1U patent/CN203631461U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143492A (en) * | 2014-07-31 | 2014-11-12 | 华通机电股份有限公司 | Small circuit breaker with wire holder assisting in arc extinguishment |
| CN104143492B (en) * | 2014-07-31 | 2016-03-30 | 华通机电股份有限公司 | A kind of miniature circuit breaker of junction block auxiliary extinction of arc |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20181115 |