CN209658120U - A kind of breaker with arc protection - Google Patents
A kind of breaker with arc protection Download PDFInfo
- Publication number
- CN209658120U CN209658120U CN201920826861.3U CN201920826861U CN209658120U CN 209658120 U CN209658120 U CN 209658120U CN 201920826861 U CN201920826861 U CN 201920826861U CN 209658120 U CN209658120 U CN 209658120U
- Authority
- CN
- China
- Prior art keywords
- breaker
- arc
- plate
- extension board
- bottom plate
- 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.)
- Expired - Fee Related
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model discloses a kind of breaker with arc protection, including breaker and the shield plate for being installed on circuit breaker external, the shield plate includes mounting plate for breaker to be fixedly mounted and the bottom plate and top plate for being respectively arranged at mounting plate both ends, it is characterized in that, the shield plate further includes the lower extension board being fixedly connected with bottom plate for being protected breaker front lower portion and the upper extension board for being protected breaker upper front end being fixedly connected with top plate, the bottom plate, top plate, the split line position corresponding section of breaker is provided with arc-control device on lower extension board and upper extension board at least one block plate.The utility model can effectively prevent the case where it spreads to the surrounding of breaker after arc through circuit breaker housing, can be protected well other components of circuit breaker external and operator.
Description
Technical field
The utility model relates to breaker technical field, specially a kind of breaker with arc protection.
Background technique
With the raising of economic rapid development and living standards of the people, electricity consumption is also being continuously increased, Electrical Safety, packet
It includes personal safety and prevents fire caused by electric leakage or arc fault, be increasingly subject to the attention of people.Electric arc be two electrodes it
Between cross over certain dielectric continuous discharge phenomenon, be often accompanied with electrode part volatilization, typical electric arc is in yin, yang
It is formed in airspace between two-stage, region existing for electric arc can generate very high ionization air pressure, and electric arc is caused to be confined
From anywhere in can all release hot gas and electrode substance particle.
Notification number is that the utility patent of CN208781798U discloses a kind of miniature circuit breaker, by extending run-on tab
Side to arc-chutes and the V-type opening beyond arc-chutes, and opposite with arc-chutes end on run-on tab is wider than arc extinguishing
The V-type of room is open, and electric arc can be avoided to puncture shell in the split position of shell, further increase safety.But
There is no arc protection device is arranged in the external of breaker in above scheme, it is possible that electric arc is in the split position of shell
The case where puncturing shell causes security risk to other external components and operator.
Utility model content
Purpose of the utility model is to solve the problems in background techniques, and the one kind proposed can be to circuit breaker external
Other components and operator carry out the breaker with arc protection of effective protection.
To achieve the above object, the utility model provides following technical solution:
A kind of breaker with arc protection, it is described anti-including breaker and the shield plate for being installed on circuit breaker external
Guard shield plate includes mounting plate for breaker to be fixedly mounted and the bottom plate and top plate for being respectively arranged at mounting plate both ends,
Be characterized in that, the shield plate further include be fixedly connected with bottom plate for breaker front lower portion is protected it is downward
The upper extension board for being protected breaker upper front end stretching plate and being fixedly connected with top plate, the bottom plate, top plate,
The position corresponding section of the split line of breaker is provided with arc extinguishing on lower extension board and upper extension board at least one block plate
Device.
Preferably, the arc-control device includes several arc extinguishing grid pieces in array distribution.
Preferably, the arc-control device further includes the fixation for being set to arc extinguishing grid pieces bottom and being fixedly connected with arc extinguishing grid pieces
Plate.
Preferably, the medium position of the arc extinguishing grid pieces has the rectangular channel to lower recess.
Preferably, the medium position of the arc extinguishing grid pieces has the arc groove to lower recess.
Preferably, strip groove of the several groups for arc extinguishing grid pieces insertion is provided on the bottom plate.
Preferably, the mounting groove being cooperatively connected with fixed plate is provided on the bottom plate.
Preferably, the mounting plate, bottom plate, top plate, lower extension board and upper extension board are that insulating materials is constituted.
Preferably, the mounting plate, bottom plate, top plate, lower extension board and upper extension board are integrally formed.
The beneficial effects of the utility model are: the utility model can effectively prevent after arc through circuit breaker housing it
The case where spreading to the surrounding of breaker can prevent well other components of circuit breaker external and operator
Shield.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the breaker with arc protection of the utility model one embodiment；
Fig. 2 is the structural schematic diagram of the shield plate of the breaker with arc protection of the utility model one embodiment；
Fig. 3 is the structural schematic diagram of the arc-control device of the breaker with arc protection of the utility model one embodiment；
Fig. 4 is the structural representation of the arc-control device of the breaker with arc protection of another embodiment of the utility model
Figure；
Fig. 5 is the structural schematic diagram of the arc extinguishing grid pieces of the breaker with arc protection of the utility model one embodiment；
Fig. 6 is the structural representation of the arc extinguishing grid pieces of the breaker with arc protection of another embodiment of the utility model
Figure；
Fig. 7 is the structural schematic diagram of the bottom plate of the breaker with arc protection of the utility model one embodiment；
Fig. 8 is the structural schematic diagram of the bottom plate of the breaker with arc protection of another embodiment of the utility model.
In figure: 1, breaker；2, shield plate；21, bottom plate；211, mounting groove；212, strip groove；22, top plate；23, under
Extension board；24, upper extension board；25, mounting plate；3, arc-control device；31, arc extinguishing grid pieces；311, rectangular channel；312, arc groove；32,
Fixed plate；4, split line.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in figures 1-8, a kind of breaker with arc protection including breaker 1 and is installed on anti-outside breaker 1
Guard shield plate 2, shield plate 2 include mounting plate 25 for breaker 1 to be fixedly mounted and are respectively arranged at 25 both ends of mounting plate
The bottom plate 21 and top plate 22 in portion, shield plate 2 further include being fixedly connected with bottom plate 21 for carrying out to 1 front lower portion of breaker
The lower extension board 23 of protection and the upper extension board for being protected 1 upper front end of breaker being fixedly connected with top plate 22
24, at least one block plate of bottom plate 21, top plate 22, lower extension board 23 and upper extension board 24 with the split line 4 of breaker 1
Position corresponding section is provided with arc-control device 3.
In the present embodiment, shield plate 2 includes mounting plate 25, bottom plate 21, top plate 22, lower extension board 23 and upper extension board
24, can upper end, lower end, front end and rear end to breaker 1 protect, prevent after arc through breaker 1 it to disconnected
The surrounding of road device 1 is spread, to outside breaker 1 other components and operator bring security risk.And arc-control device 3
It is arranged at least one block plate of bottom plate 21, top plate 22, lower extension board 23 and upper extension board 24, bottom plate can be only arranged at
On 21, it can also be respectively provided on bottom plate 21, top plate 22, lower extension board 23 and upper extension board 24, also have other facilities, herein
It does not repeat them here.And since the setting position of arc-control device 3 is corresponding with the position of split line 4 of breaker 1, so that when electric arc goes out
After the split position breakdown shell of present shell, electric arc can be extinguished within first time by arc-control device 3, can effectively prevent electricity
The diffusion of arc preferably prevents the generation of security risk.
As an improvement specific embodiment, arc-control device 3 include several arc extinguishing grid pieces 31 in array distribution, bottom plate
Strip groove 212 of the several groups for the insertion of arc extinguishing grid pieces 31 is provided on 21.
In the present embodiment, arc-control device 3 is several arc extinguishing grid pieces 31 in array distribution, and wherein arc extinguishing grid pieces 31 are by gold
Category is made, and when electric arc passes through multiple groups arc extinguishing grid pieces 31, electric arc can be divided into a plurality of short arc, to achieve the purpose that arc extinguishing.
And several groups strip groove 212 is provided on bottom plate 21, arc extinguishing grid pieces 31 can be inserted directly into can be real into corresponding strip groove 212
Now it is fixedly connected with bottom plate 21.Similarly, when arc-control device 3 is set on top plate 22, upper extension board 24 or lower extension board 23
When, it also may be provided with the strip groove 212 for being inserted into arc extinguishing grid pieces 31 on top plate 22, lower extension board 23 or upper extension board 24, under
The case where stating also similarly just repeats no more.
As an improvement specific embodiment, arc-control device 3 further include be set to 31 bottom of arc extinguishing grid pieces and and arc extinguishing
The fixed plate 32 that grid 31 is fixedly connected is provided with the mounting groove 211 being cooperatively connected with fixed plate 32 on bottom plate 21.
In the present embodiment, multiple groups arc extinguishing grid pieces 31 can be formed an entirety, so as to going out by the setting of fixed plate 32
The dismounting of arc grid 31 is more convenient, will can directly be provided with the fixed plate 32 and mounting groove 211 of multiple groups arc extinguishing grid pieces 31
It is cooperatively connected and the fixation of arc-control device 3 Yu bottom plate 21 can be realized.
As an improvement specific embodiment, the medium positions of arc extinguishing grid pieces 31 has the rectangular channel 311 to lower recess,
The medium position of arc extinguishing grid pieces 31 also may be configured as the arc groove 312 to lower recess.
In the present embodiment, the setting of the arc extinguishing grid pieces 31 with different shape groove, by 31 groups of multiple groups arc extinguishing grid pieces
At arc-control device 3 in, arc extinguishing grid pieces 31 therein can be unified rectangle or arc, also can be for different shape groove
Arc extinguishing grid pieces 31 are staggered, so set, can then enhance the arc extinguishing ability of arc-control device 3 to a certain extent.
As an improvement specific embodiment, mounting plate 25, bottom plate 21, top plate 22, lower extension board 23 and upper extension board
24 be that insulating materials is constituted, and mounting plate 25, bottom plate 21, top plate 22, lower extension board 23 and upper extension board 24 are integrally formed.
In the present embodiment, mounting plate 25, bottom plate 21, top plate 22, lower extension board 23 and upper extension board 24 can be injection molding one
It is body formed, while with good insulation performance, it is also prone to machine-shaping.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (9)
1. a kind of breaker with arc protection, including breaker and the shield plate for being installed on circuit breaker external, the protection
Cover plate includes mounting plate for breaker to be fixedly mounted and the bottom plate and top plate for being respectively arranged at mounting plate both ends, special
Sign is that the shield plate further includes the lower extension for being protected breaker front lower portion being fixedly connected with bottom plate
Plate and the upper extension board for being protected breaker upper front end being fixedly connected with top plate, the bottom plate, top plate, under
The position corresponding section of the split line of breaker is provided with interrupter cartridge on extension board and upper extension board at least one block plate
It sets.
2. a kind of breaker with arc protection according to claim 1, which is characterized in that if the arc-control device includes
The dry arc extinguishing grid pieces in array distribution.
3. a kind of breaker with arc protection according to claim 2, which is characterized in that the arc-control device further includes
The fixed plate for being set to arc extinguishing grid pieces bottom and being fixedly connected with arc extinguishing grid pieces.
4. a kind of breaker with arc protection according to claim 2 or 3, which is characterized in that the arc extinguishing grid pieces
Medium position has the rectangular channel to lower recess.
5. a kind of breaker with arc protection according to claim 2 or 3, which is characterized in that the arc extinguishing grid pieces
Medium position has the arc groove to lower recess.
6. a kind of breaker with arc protection according to claim 2, which is characterized in that if being provided on the bottom plate
Strip groove of the dry group for arc extinguishing grid pieces insertion.
7. a kind of breaker with arc protection according to claim 3, which is characterized in that be provided on the bottom plate with
The mounting groove that fixed plate is cooperatively connected.
8. a kind of breaker with arc protection according to claim 1, which is characterized in that the mounting plate, bottom plate, top
Plate, lower extension board and upper extension board are that insulating materials is constituted.
9. a kind of breaker with arc protection according to claim 8, which is characterized in that the mounting plate, bottom plate, top
Plate, lower extension board and upper extension board are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920826861.3U CN209658120U (en) | 2019-06-03 | 2019-06-03 | A kind of breaker with arc protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920826861.3U CN209658120U (en) | 2019-06-03 | 2019-06-03 | A kind of breaker with arc protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209658120U true CN209658120U (en) | 2019-11-19 |
Family
ID=68530693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920826861.3U Expired - Fee Related CN209658120U (en) | 2019-06-03 | 2019-06-03 | A kind of breaker with arc protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209658120U (en) |
-
2019
- 2019-06-03 CN CN201920826861.3U patent/CN209658120U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20191119 Termination date: 20200603 |