CN207602486U - A kind of miniature circuit breaker - Google Patents
A kind of miniature circuit breaker Download PDFInfo
- Publication number
- CN207602486U CN207602486U CN201721776705.8U CN201721776705U CN207602486U CN 207602486 U CN207602486 U CN 207602486U CN 201721776705 U CN201721776705 U CN 201721776705U CN 207602486 U CN207602486 U CN 207602486U
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- CN
- China
- Prior art keywords
- circuit breaker
- arc
- miniature circuit
- housing
- breaker according
- 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.)
- Withdrawn - After Issue
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Abstract
A kind of miniature circuit breaker.Present breaker is mainly solved when big rated current uses, space too small the problem of can not installing compared with heavy gauge wire.The utility model provides a kind of miniature circuit breaker, using the breaker of the layout structure, the space that conventional circuit breaker runs arc channel is rationally utilized, makes overall structure compacter, can use thicker conducting wire, calorific value is relatively low, and using effect is more preferably.
Description
Technical field
The utility model is related to Low Voltage Electrical Apparatus, and in particular to a kind of miniature circuit breaker.
Background technology
Breaker has the characteristics of advanced structure, reliable performance, strong breaking capacity and small size, and makees office building, lives
The illumination of residence and similar building, the overload of distribution line and equipment and short-circuit protection are used, and can also be used as circuit infrequently
On-off line operation is used with conversion.
Present market needs a kind of breaker for meeting big rated current, however when big rated current use now,
In order to drop low-temperature-rise, generally require the size of conducting wire is thicker, the layout of existing breaker can not meet this requirement.
Utility model content
In order to overcome the shortcomings of background technology, the utility model provides a kind of miniature circuit breaker, mainly solves present
Breaker is when big rated current uses, space too small the problem of can not installing compared with heavy gauge wire.
Technical solution is used by the utility model：
A kind of miniature circuit breaker, be equipped with including housing, in the housing the first wiring mechanism, tripping mechanism, arc-extinguishing mechanism,
Operating mechanism and the second wiring mechanism, the tripping mechanism include magnetic release and thermal trip,
The arc-extinguishing mechanism includes arc-chutes,
First wiring mechanism is set on the left of the enclosure interior, and the thermal trip is set on first wiring mechanism
Right side；
The magnetic release is set on the right side of the thermal trip；
The arc-chutes are correspondingly arranged on the right side of the magnetic release；
The operating mechanism is correspondingly arranged above the arc-chutes；
Second wiring mechanism is set on the right side of the enclosure interior, and opposite on the right side of the arc-chutes.
The beneficial effects of the utility model are：The utility model provides a kind of miniature circuit breaker, using the layout structure
Breaker is rationally utilized the space that conventional circuit breaker runs arc channel, makes overall structure compacter, can use thicker lead
Line, calorific value is relatively low, and using effect is more preferably.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram of the utility model one embodiment.
Fig. 2 is the enlarged diagram at A in Fig. 1.
Fig. 3 is the enlarged diagram at B in Fig. 1.
Fig. 4 is the schematic diagram of the housing of the utility model one embodiment.
Fig. 5 is the sectional perspective schematic diagram of the utility model one embodiment.
Fig. 6 is the sectional perspective schematic diagram of the utility model one embodiment.
Specific embodiment
Utility model is described further below in conjunction with the accompanying drawings：As shown in the figure, a kind of miniature circuit breaker, including housing 1,
The first wiring mechanism 5, tripping mechanism, arc-extinguishing mechanism 3,4 and second wiring mechanism 6 of operating mechanism are equipped in the housing, it is described
Tripping mechanism includes magnetic release 21 and thermal trip 22, and the arc-extinguishing mechanism 3 includes arc-chutes 31, first wiring mechanism
5 are set on the left of the enclosure interior, and the thermal trip 22 is set on the right side of first wiring mechanism；The magnetic release 21 is set
In 22 right side of thermal trip；The arc-chutes 31 are correspondingly arranged at 21 right side of magnetic release；The operating mechanism 4 corresponds to
Above the arc-chutes 31；Second wiring mechanism is set on the right side of the enclosure interior, and opposite set on the arc extinguishing
On the right side of room.Arc-chutes are installed into the space where original arc extinguishing runway, the space of circuit breaker internal is rationally utilized, are used
The breaker of the layout structure is rationally utilized the space that conventional circuit breaker runs arc channel, makes overall structure compacter, can be with
Using thicker conducting wire, using effect is more preferably.
In the present embodiment, as shown in the figure, the operating mechanism includes stent 41, the stent is equipped with moving contact 42,
Static contact panel 43 is correspondingly provided in the housing with the moving contact, the arc-chutes 31 include the opening portion for elongating arc
311, the moving contact and static contact panel are correspondingly arranged with the opening portion.Moving contact and static contact panel are correspondingly arranged at the opening of arc-chutes
Portion, the electric arc of generation can be directly entered arc-chutes, and arc quenching effect is good.
In the present embodiment, it is described as shown in the figure, being correspondingly arranged on rotatable lock 44 and tripping 45 on the stent
Magnetic release 21 includes the catch bar 211 for the lock to be pushed to thread off, and the catch bar is obliquely installed with respect to housing bottom.
Tripping is connect with handle by connecting rod, and the mounting structure of the tripping on stent and lock is the prior art, is repeated no more.
In the present embodiment, as shown in the figure, being additionally provided with balancing pole 46 in the housing, 46 middle-end of balancing pole is used for shell
Body hingedly coordinates, and one end is correspondingly arranged with the catch bar, and the other end is correspondingly arranged with the magnetic release.It is pushed away using balancing pole
Dynamic lock, lock are equipped with protrusion, when the catch bar of magnetic release rises, can push the other end of balancing pole and beat
In previously described protrusion.
In the present embodiment, as shown in the figure, the thermal trip includes bimetal leaf 221,46 upper end of balancing pole connects
Hook 461 is connected to, the inner walls are equipped with guide groove 11, and described hook one end is set in the guide groove, the bimetallic
Piece is correspondingly arranged with the hook.When bi-metal plate deformed, hook can be pushed forward, and hook can drive balancing pole to rotate
And then lock is driven to thread off.
In the present embodiment, as shown in the figure, the relatively described catch bar one end of the balancing pole 46 is equipped with clump weight 462, institute
It states in housing and is equipped with baffle 12 above relatively described clump weight.The balancing pole does not need to resetting spring using self-weight reset,
After catch bar reset（It is retracted into initial position）, balancing pole is since the gravity of one end is voluntarily fallen compared with conference, on the other hand,
Balancing pole upper end is provided with baffle, coordinates the stroke of catch bar in this way, will not make balancing pole inordinate rotation and overturn.
In the present embodiment, it as shown in the figure, second wiring mechanism includes terminal screw 61, is connected on the moving contact
There is terminal plate 47, described terminal plate one end is equipped with movable contact 471, and the other end passes through at least two conducting wires 472 and the wiring spiral shell
Nail connection.In order to increase the cross-sectional area of conducting wire, by the way of shunting, the thicker conducting wire of same root is separated into two relatively thin
Conducting wire, it is more sensitive when moving contact rotates and drives conducting wire flexible in this way, strengthen the breaking capacity of breaker.
In the present embodiment, as shown in the figure, further including tension spring 13, the terminal plate is equipped with straight slot 423, the tension spring one
End is connect across the straight slot with the moving contact, and the other end is connect with the inner walls.During disjunction, tension spring can pull dynamic touch
Head rotates counterclockwise, and strengthens the breaking speed of breaker.
In the present embodiment, as shown in the figure, being equipped with several limit protrusions 14 in the housing, the limit protrusion crowds around shape
Into for installing the mounting groove 141 of the arc-chutes.Arc-chutes are easily installed, using effect is more preferably.
In the present embodiment, as shown in the figure, being additionally provided with L-shaped retaining wall 15 in the housing, the magnetic release 21 further includes
Yoke 215, the yoke bottom are contacted with the L-shaped retaining wall.Upper-lower casing is coordinated to use, installation is more firm.
Embodiment is not construed as the limitation to utility model, but any spiritual improvements introduced based on utility model, all
It should be within the protection domain of utility model.
Claims (10)
1. a kind of miniature circuit breaker, including housing（1）, the housing is interior to be equipped with the first wiring mechanism（5）, tripping mechanism, arc extinguishing
Mechanism（3）, operating mechanism（4）With the second wiring mechanism（6）, it is characterised in that：The tripping mechanism includes magnetic release（21）
And thermal trip（22）,
The arc-extinguishing mechanism（3）Including arc-chutes（31）,
First wiring mechanism（5）On the left of the enclosure interior, the thermal trip（22）Set on first wiring
On the right side of mechanism；
The magnetic release（21）Set on the thermal trip（22）Right side；
The arc-chutes（31）It is correspondingly arranged at the magnetic release（21）Right side；
The operating mechanism（4）It is correspondingly arranged at the arc-chutes（31）Top；
Second wiring mechanism is set on the right side of the enclosure interior, and opposite on the right side of the arc-chutes.
2. a kind of miniature circuit breaker according to claim 1, it is characterised in that：The operating mechanism includes stent（41）,
The stent is equipped with moving contact（42）, the housing is interior to be correspondingly provided with static contact panel with the moving contact（43）, the arc-chutes
（31）Opening portion including being used for elongating arc（311）, the moving contact and static contact panel are correspondingly arranged with the opening portion.
3. a kind of miniature circuit breaker according to claim 2, it is characterised in that：It is correspondingly arranged on the stent rotatable
Lock（44）And tripping（45）, the magnetic release（21）Including the catch bar for being used to that the lock to be pushed to thread off（211）, institute
Catch bar is stated to be obliquely installed with respect to housing bottom.
4. a kind of miniature circuit breaker according to claim 3, it is characterised in that：Balancing pole is additionally provided in the housing
（46）, the balancing pole（46）Middle-end coordinates for housing hinge, and one end is correspondingly arranged with the catch bar, the other end with it is described
Magnetic release is correspondingly arranged.
5. a kind of miniature circuit breaker according to claim 4, it is characterised in that：The thermal trip includes bimetal leaf
（221）, the balancing pole（46）Upper end is connected with hook（461）, the inner walls are equipped with guide groove（11）, the hook one
End is set in the guide groove, and the bimetal leaf is correspondingly arranged with the hook.
6. a kind of miniature circuit breaker according to claim 5, it is characterised in that：The balancing pole（46）Relatively described promotion
Bar one end is equipped with clump weight（462）, baffle is equipped with above relatively described clump weight in the housing（12）.
7. a kind of miniature circuit breaker according to claim 2, it is characterised in that：Second wiring mechanism includes wiring spiral shell
Nail（61）, terminal plate is connected on the moving contact（47）, described terminal plate one end is equipped with movable contact（471）, the other end passes through
At least two conducting wires（472）It is connect with the terminal screw.
8. a kind of miniature circuit breaker according to claim 7, it is characterised in that：Further include tension spring（13）, the terminal plate
It is equipped with straight slot（423）, described tension spring one end connect across the straight slot with the moving contact, the other end and the inner walls
Connection.
9. a kind of miniature circuit breaker according to claim 1, it is characterised in that：Several limit protrusions are equipped in the housing
（14）, the limit protrusion crowds around the mounting groove to be formed for installing the arc-chutes（141）.
10. a kind of miniature circuit breaker according to claim 1, it is characterised in that：L-shaped retaining wall is additionally provided in the housing
（15）, the magnetic release（21）Further include yoke（215）, the yoke bottom contacts with the L-shaped retaining wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721776705.8U CN207602486U (en) | 2017-12-19 | 2017-12-19 | A kind of miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721776705.8U CN207602486U (en) | 2017-12-19 | 2017-12-19 | A kind of miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207602486U true CN207602486U (en) | 2018-07-10 |
Family
ID=62766273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721776705.8U Withdrawn - After Issue CN207602486U (en) | 2017-12-19 | 2017-12-19 | A kind of miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207602486U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107833802A (en) * | 2017-12-19 | 2018-03-23 | 高能格乐电气股份有限公司 | A kind of miniature circuit breaker |
-
2017
- 2017-12-19 CN CN201721776705.8U patent/CN207602486U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107833802A (en) * | 2017-12-19 | 2018-03-23 | 高能格乐电气股份有限公司 | A kind of miniature circuit breaker |
| CN107833802B (en) * | 2017-12-19 | 2020-03-24 | 高能格乐电气股份有限公司 | Small-sized circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180710 Effective date of abandoning: 20200324 |