CN208000887U - A kind of high-breaking miniature breaker - Google Patents
A kind of high-breaking miniature breaker Download PDFInfo
- Publication number
- CN208000887U CN208000887U CN201820480087.0U CN201820480087U CN208000887U CN 208000887 U CN208000887 U CN 208000887U CN 201820480087 U CN201820480087 U CN 201820480087U CN 208000887 U CN208000887 U CN 208000887U
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- China
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- arc
- channel
- striking
- shell
- contact
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- Arc-Extinguishing Devices That Are Switches (AREA)
- Circuit Breakers (AREA)
Abstract
The utility model is related to a kind of high-breaking miniature breakers,Including shell,Operating mechanism,Contact system,Arc quenching system,Contact system includes moving contact,Static contact,Arc quenching system includes arc-extinguish chamber,Arc leading angle,Arc striking piece,Being constituted between arc striking piece and arc leading angle has striking channel,It corresponds to be provided at the gas vent of arc-extinguish chamber on the inner wall of shell and multiple lets out arc guide pin,And it is multiple let out to be formed between arc guide pin multiple let out arc channel,The corresponding at one end for letting out arc channel is provided with for being connected in the first row gas port for letting out arc channel and connecting terminal installation cavity on shell,On shell second exhaust port is respectively arranged at the corresponding other end for letting out arc channel,Third exhaust outlet,4th exhaust outlet,Second exhaust port connection is being let out between arc channel and connecting terminal installation cavity,Third exhaust outlet,The connection of 4th exhaust outlet is being let out between arc channel and the external world.The utility model has the advantages that simple in structure, stable and reliable for performance, arc quenching effect is good, with long service life.
Description
Technical field
The utility model is related to breaker technical fields, and in particular to a kind of high-breaking miniature breaker.
Background technology
Miniature circuit breaker be suitable for exchange 50/60Hz rated voltage 230/400V, the overload of rated current to 63A circuits and
Short-circuit protection is used, and can also be used under normal circumstances as the infrequently operation of circuit conversion.It is mainly used for industry, quotient
The various places such as industry, high level and residential houses.Miniature circuit breaker includes shell, operating mechanism, arc quenching system, contact system, is showed
The structure design of the arc quenching system of some miniature circuit breakers is unreasonable, causes the arc quenching effect of the miniature circuit breaker not ideal enough,
Breaking capacity is poor, and service life is shorter.
Invention content
The purpose of the utility model is to overcome the defect of the prior art, provide it is a kind of it is simple in structure, stable and reliable for performance,
Arc quenching effect is good, high-breaking miniature breaker with long service life.
To achieve the above object, the utility model use a kind of high-breaking miniature breaker, including shell, operating mechanism,
Contact system, arc quenching system, the contact system include being matched with the moving contact of operating mechanism linkage setting, with moving contact
Static contact, the arc quenching system includes arc-extinguish chamber, the arc leading angle, the arc striking piece that are arranged on stationary contact head-tail, and described draws
Between arcs and arc leading angle constitute have striking channel, corresponded on the inner wall of the shell be provided at the gas vent of arc-extinguish chamber it is more
It is a to let out arc guide pin, and it is multiple let out be formed between arc guide pin it is multiple let out arc channel, correspondence lets out arc channel on the shell
At one end be provided with it is corresponding for being connected on the first row gas port for letting out arc channel and connecting terminal installation cavity, the shell
It lets out and is respectively arranged with second exhaust port, third exhaust outlet, the 4th exhaust outlet, the second exhaust port at the other end in arc channel
Connection is being let out between arc channel and connecting terminal installation cavity, and arc channel is being let out in the third exhaust outlet, the connection of the 4th exhaust outlet
Between the external world.
The advantageous effect of above structure is:With arc-extinguish chamber be connected multiple are provided on the shell of the miniature circuit breaker to let out
The gas in arc channel, arc-extinguish chamber discharge lets out arc channel segmentation by multiple, and open circuit can be discharged from multiple exhaust outlets in the gas after segmentation
Outside device shell, it ensure that circuit breaker external can be discharged rapidly in the gas of arc-extinguish chamber discharge, to be conducive to enhance arc quenching system
Arc quenching effect, greatly improve the breaking capacity and service life of miniature circuit breaker, and the miniature circuit breaker also has structure
Simply, advantage stable and reliable for performance.
Particularly, it is corresponded on the inner wall of the shell and is provided with several arc-shaped shapes between moving contact and arc-extinguish chamber
Striking raised line, and be formed with striking guide groove between each striking raised line, which is connected in moving contact and arc-extinguish chamber
Between, and striking guide groove is provided with arc raised line on one end of moving contact.Striking guide groove can be by moving contact and stationary contact
The electric arc generated between head is elongated and is rapidly introduced into arc-extinguish chamber, and electric arc can quickly extinguish, to enhance the small-sized open circuit
The arc quenching effect of device is conducive to extend the service life of moving contact of breaker, static contact.
Particularly, the height of the arc raised line is more than the height of striking raised line.Arc raised line can avoid electric arc and scurry into
The side of moving contact, advantageous electric arc are rapidly introduced into arc-extinguish chamber, enhance the arc quenching effect of the miniature circuit breaker.
Description of the drawings
Fig. 1 is the utility model embodiment internal structure stereogram.
Fig. 2 is the utility model embodiment internal structure front view.
Specific implementation mode
As shown in Figure 1, 2, the utility model embodiment is a kind of high-breaking miniature breaker, including shell 10, operation machine
Structure 20, contact system 30, arc quenching system 40, the contact system 30 include the moving contact with the linkage setting of operating mechanism 20
31, with 31 matched static contact 32 of moving contact, the arc quenching system 40 includes arc-extinguish chamber 41, setting in 32 tail portion of static contact
On arc leading angle 42, arc striking piece 43, between the arc striking piece 43 and arc leading angle 42 constitute have striking channel 400, the shell
It is corresponded on the inner wall of body 10 and lets out arc guide pin 11 there are three settings at the gas vent 411 of arc-extinguish chamber 41, and three are let out arc guide pin
Be formed between 11 it is multiple let out arc channel 111, the corresponding at one end for letting out arc channel 111 is provided with for connecting on the shell 10
Lead to the correspondence on the first row gas port 13 for letting out arc channel 111 and connecting terminal installation cavity 12, the shell 10 and lets out arc channel 111
The other end at be respectively arranged with second exhaust port 14, third exhaust outlet 15, the 4th exhaust outlet 16, the second exhaust port 14
Connection is being let out between arc channel 111 and connecting terminal installation cavity 12, and the third exhaust outlet 14, the connection of the 4th exhaust outlet 15 exist
It lets out between arc channel 111 and the external world.It corresponds on the inner wall of the shell 10 and is provided between the 41 of moving contact 31 and arc-extinguish chamber
The striking raised line 17 of six arc-shaped shapes, and it is formed with striking guide groove 171 between each striking raised line 17, the striking guide groove
171 connections are between moving contact 31 and arc-extinguish chamber 41, and striking guide groove 171 is provided with arc on one end of moving contact 31
Raised line 18.The electric arc generated between moving contact and static contact can be elongated and be rapidly introduced into arc-extinguish chamber, electric arc by striking guide groove
It can quickly extinguish, to enhancing the arc quenching effect of the miniature circuit breaker, be conducive to extend moving contact of breaker, static contact
Service life.The height of the arc raised line 18 is more than the height of striking raised line 17.The avoidable electric arc of arc raised line is scurried into dynamic
The side of contact, advantageous electric arc are rapidly introduced into arc-extinguish chamber, enhance the arc quenching effect of the miniature circuit breaker.
It is provided be connected with arc-extinguish chamber multiple on the shell of the miniature circuit breaker and lets out arc channel, the gas of arc-extinguish chamber discharge
Body lets out arc channel segmentation by multiple, and the gas after segmentation can be discharged from multiple exhaust outlets outside Shell of circuit breaker, ensure that arc-extinguish chamber
Circuit breaker external can be discharged rapidly in the gas of discharge, to be conducive to enhance the arc quenching effect of arc quenching system, greatly improve small
The breaking capacity and service life of type breaker, and the miniature circuit breaker also have it is simple in structure, stable and reliable for performance excellent
Point.
Claims (3)
1. a kind of high-breaking miniature breaker, including shell, operating mechanism, contact system, arc quenching system, the contact system
Include the moving contact and the matched static contact of moving contact with operating mechanism linkage setting, it is characterised in that:The arc extinguishing system
System includes arc-extinguish chamber, the arc leading angle, the arc striking piece that are arranged on stationary contact head-tail, and being constituted between the arc striking piece and arc leading angle has
Striking channel, correspond on the inner wall of the shell be provided at the gas vent of arc-extinguish chamber it is multiple let out arc guide pin, and multiple let out
Be formed between arc guide pin it is multiple let out arc channel, the corresponding at one end for letting out arc channel is provided with for being connected on the shell
Distinguish at the corresponding other end for letting out arc channel on the first row gas port for letting out arc channel and connecting terminal installation cavity, the shell
It is provided with second exhaust port, third exhaust outlet, the 4th exhaust outlet, arc channel and terminals are being let out in second exhaust port connection
Between sub- installation cavity, the third exhaust outlet, the connection of the 4th exhaust outlet are being let out between arc channel and the external world.
2. high-breaking miniature breaker according to claim 1, it is characterised in that:It is corresponding dynamic on the inner wall of the shell
It is provided with the striking raised line of several arc-shaped shapes between contact and arc-extinguish chamber, and is formed with striking between each striking raised line and leads
To slot, which is connected between moving contact and arc-extinguish chamber, and striking guide groove is arranged on one end of moving contact
There is arc raised line.
3. high-breaking miniature breaker according to claim 2, it is characterised in that:The height of the arc raised line is more than
The height of striking raised line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820480087.0U CN208000887U (en) | 2018-04-06 | 2018-04-06 | A kind of high-breaking miniature breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820480087.0U CN208000887U (en) | 2018-04-06 | 2018-04-06 | A kind of high-breaking miniature breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208000887U true CN208000887U (en) | 2018-10-23 |
Family
ID=63840397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820480087.0U Active CN208000887U (en) | 2018-04-06 | 2018-04-06 | A kind of high-breaking miniature breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208000887U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113889384A (en) * | 2021-08-16 | 2022-01-04 | 浙江创奇电气有限公司 | Circuit breaker |
-
2018
- 2018-04-06 CN CN201820480087.0U patent/CN208000887U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113889384A (en) * | 2021-08-16 | 2022-01-04 | 浙江创奇电气有限公司 | Circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325603 Wenzhou Daqiao Industrial Park, Yueqing City, Wenzhou City, Zhejiang Province Patentee after: Huanyu Hi Tech Co.,Ltd. Address before: 325603 Wenzhou Daqiao Industrial Park, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: HUANYU GROUP ZHEJIANG HIGH-TECH Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |