CN205177753U - Novel circuit breaker - Google Patents
Novel circuit breaker Download PDFInfo
- Publication number
- CN205177753U CN205177753U CN201521050117.7U CN201521050117U CN205177753U CN 205177753 U CN205177753 U CN 205177753U CN 201521050117 U CN201521050117 U CN 201521050117U CN 205177753 U CN205177753 U CN 205177753U
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- arc
- moving contact
- control device
- electromagnetic system
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Abstract
The utility model relates to an electrical components field, novel circuit breaker, including the casing to and set up at inside operating device, electrically conductive mechanism and the arc control device of casing, electrically conductive mechanism includes inlet wire end conductive parts, leading -out terminal conductive parts and electromagnetic system, and leading -out terminal conductive parts is connected with electromagnetic system, leading the arc board on through between arc control device upper end and the electromagnetic system and being connected, the arc control device lower extreme is led the arc board under through and is held conductive parts to be connected with the inlet wire, its characterized in that: be equipped with the static contact on the electromagnetic system tip, the last moving contact that is connected with inlet wire end conductive parts that is equipped with of operating device, operating device drive moving contact and static contact normal running fit, the tip arc of moving contact is crooked, and the arc tip of moving contact is towards arc control device. This breaker moving contact's arc tip is favorable to introducing the explosion chamber with quiet contact position's electric arc towards arc control device to promote product arc extinguishing efficiency.
Description
Technical field
The utility model relates to electric elements field, particularly relates to a kind of novel breaker.
Background technology
Circuit breaker refers to can be connected, carries and electric current under disjunction normal circuit condition, also under the non-normal condition of regulation, (as overload, short circuit etc.) can connect, carry the device for switching of certain hour and breaking current.In breaker closing, disjunction moment, when certain conditions are met (as voltage, electric current meet or exceed certain value time) electric arc will be produced between contact, if arc extinction can not will constitute a threat to our life and property safety by circuit breaker timely and effectively.Therefore disjunction (arc extinguishing) performance of circuit breaker is extremely important; But the arc quenching effect of existing a lot of circuit breaker is not good, punctures after blow-out overlong time, arc extinction and restrike, cause circuit breaker can not disengagement failure circuit timely and effectively.
Summary of the invention
In order to solve the problem, the purpose of this utility model is to provide a kind of novel breaker, and the curved end of this moving contact of breaker, towards arc-control device, is conducive to the electric arc of fixed contact position to introduce arc control device, thus improving product arc extinguishing efficiency.
In order to realize above-mentioned object, the utility model have employed following technical scheme:
Novel breaker, comprises housing, and is arranged on the operating mechanism of enclosure interior, conductive mechanism and arc-control device; Described conductive mechanism comprises end of incoming cables conductive component, leading-out terminal conductive component and electromagnetic system, and leading-out terminal conductive component is connected with electromagnetic system; Described arc-control device upper end is led arc plate on passing through with between electromagnetic system and is connected, and arc-control device lower end is led arc plate and is connected with end of incoming cables conductive component under passing through; It is characterized in that: described electromagnetic system end is provided with fixed contact, operating mechanism is provided with the moving contact be connected with end of incoming cables conductive component, and operating mechanism drives moving contact and fixed contact to be rotatably assorted; The end arc-shaped bend of described moving contact, the curved end of moving contact is towards arc-control device.
As preferably, the angle of bend of moving contact end is 115 °.
As preferably, described arc-control device comprises the connecting plate be made up of insulating material, and some arc extinguishing grid pieces arranged in parallel, and arc extinguishing grid pieces is interconnected and fixed by connecting plate; The curved end of described moving contact is towards between adjacent two panels arc extinguishing grid pieces.During circuit breaker segmentation, produce magnetic field between the arc extinguishing grid pieces between adjacent by electric field, moving contact will guide in magnetic field between electric arc, thus accelerates electric arc translational speed, accelerates arc extinguishing.
The utility model adopts technique scheme, the operating mechanism of this circuit breaker is provided with moving contact, the curved end of moving contact towards arc-control device, when circuit breaker segmentation, the arcuate guide of moving contact is conducive to the electric arc of fixed contact position to introduce arc control device, thus improving product arc extinguishing efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in further detail.
A kind of novel breaker as shown in Figure 1, comprises housing 1, and is arranged on the operating mechanism 3 of housing 1 inside, conductive mechanism and arc-control device 4.Described conductive mechanism comprises end of incoming cables conductive component 21, leading-out terminal conductive component 22 and electromagnetic system 23, and leading-out terminal conductive component 22 is connected with electromagnetic system 23; Described arc-control device 4 upper end is led arc plate 24 on passing through with between electromagnetic system 23 and is connected, and arc-control device 4 lower end is led arc plate 25 under passing through and is connected with end of incoming cables conductive component 21.Described electromagnetic system 23 end is provided with fixed contact 26, and operating mechanism 3 is provided with the moving contact 27 be connected with end of incoming cables conductive component 21, and operating mechanism 3 drives moving contact 27 and fixed contact 26 to be rotatably assorted; The end arc-shaped bend of described moving contact 27, angle of bend is 115 °.Described arc-control device 4 comprises the connecting plate 41 be made up of insulating material, and some arc extinguishing grid pieces 42 arranged in parallel, and arc extinguishing grid pieces is interconnected and fixed by connecting plate.The curved end of moving contact 27 is towards arc-control device 4, and specifically the curved end of moving contact 27 is towards between adjacent two panels arc extinguishing grid pieces.During circuit breaker segmentation, produce magnetic field between the arc extinguishing grid pieces between adjacent by electric field, moving contact 27 guides between electric arc in magnetic field, thus accelerates electric arc translational speed, accelerates arc extinguishing.
The utility model adopts technique scheme, the operating mechanism 3 of this circuit breaker is provided with moving contact 27, the curved end of moving contact 27 is towards arc-control device 4, when circuit breaker segmentation, the arcuate guide of moving contact 27 is conducive to the electric arc of fixed contact position to introduce arc control device, thus improving product arc extinguishing efficiency.
Claims (3)
1. novel breaker, comprises housing, and is arranged on the operating mechanism of enclosure interior, conductive mechanism and arc-control device; Described conductive mechanism comprises end of incoming cables conductive component, leading-out terminal conductive component and electromagnetic system, and leading-out terminal conductive component is connected with electromagnetic system; Described arc-control device upper end is led arc plate on passing through with between electromagnetic system and is connected, and arc-control device lower end is led arc plate and is connected with end of incoming cables conductive component under passing through; It is characterized in that: described electromagnetic system end is provided with fixed contact, operating mechanism is provided with the moving contact be connected with end of incoming cables conductive component, and operating mechanism drives moving contact and fixed contact to be rotatably assorted; The end arc-shaped bend of described moving contact, the curved end of moving contact is towards arc-control device.
2. novel breaker according to claim 1, is characterized in that: the angle of bend of moving contact end is 115 °.
3. novel breaker according to claim 2, is characterized in that: described arc-control device comprises the connecting plate be made up of insulating material, and some arc extinguishing grid pieces arranged in parallel, and arc extinguishing grid pieces is interconnected and fixed by connecting plate; The curved end of described moving contact is towards between adjacent two panels arc extinguishing grid pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521050117.7U CN205177753U (en) | 2015-12-16 | 2015-12-16 | Novel circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521050117.7U CN205177753U (en) | 2015-12-16 | 2015-12-16 | Novel circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205177753U true CN205177753U (en) | 2016-04-20 |
Family
ID=55741709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521050117.7U Active CN205177753U (en) | 2015-12-16 | 2015-12-16 | Novel circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205177753U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108807092A (en) * | 2017-05-04 | 2018-11-13 | 周思雨 | A kind of miniature circuit breaker and its projecting moving contact component |
-
2015
- 2015-12-16 CN CN201521050117.7U patent/CN205177753U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108807092A (en) * | 2017-05-04 | 2018-11-13 | 周思雨 | A kind of miniature circuit breaker and its projecting moving contact component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |