CN110071021A - A kind of breaker exhaust arc-extinguishing mechanism and miniature circuit breaker - Google Patents
A kind of breaker exhaust arc-extinguishing mechanism and miniature circuit breaker Download PDFInfo
- Publication number
- CN110071021A CN110071021A CN201910397118.5A CN201910397118A CN110071021A CN 110071021 A CN110071021 A CN 110071021A CN 201910397118 A CN201910397118 A CN 201910397118A CN 110071021 A CN110071021 A CN 110071021A
- Authority
- CN
- China
- Prior art keywords
- shell
- chamber
- cushion chamber
- arc
- partition
- 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.)
- Pending
Links
- 238000009434 installation Methods 0.000 claims abstract description 19
- 238000005192 partition Methods 0.000 claims description 31
- 238000010891 electric arc Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000013528 metallic particle Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/18—Means for extinguishing or suppressing arc
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
A kind of breaker exhaust arc-extinguishing mechanism and miniature circuit breaker.The chamber that present breaker exhaust arc-extinguishing mechanism is a connection mostly is mainly solved, electric arc all converges at this after arc-chutes ejection, be easy to cause the problem of short circuit.It is connected to it is characterized by: being additionally provided with mutually isolated the first cushion chamber (41) and the second cushion chamber (42), first cushion chamber one end in the shell with the installation cavity, the other end is connected to the gas vent；Second cushion chamber one end is connected to the installation cavity, and the other end is connected to the gas vent.The present invention provides a kind of breaker exhaust arc-extinguishing mechanism and miniature circuit breaker, electric arc is discharged respectively by mutually isolated the first cushion chamber and the second cushion chamber for it, reduce the risk of short circuit, mechanism can be applicable in miniature circuit breaker, reclosing breaker and leakage circuit breakers etc..
Description
Technical field
The invention belongs to field of circuit breakers, in particular to a kind of breaker exhaust arc-extinguishing mechanism and miniature circuit breaker.
Background technique
Miniature circuit breaker has the characteristics of advanced structure, reliable performance, strong breaking capacity and small size, and handles official business
Building, the illumination of house and similar building, distribution line and equipment overload and short-circuit protection be used, can also be used as route not
Frequent on-off line operation is used with conversion.It is mainly used for the various places such as industrial, commercial, high-rise and residential premises.
Mostly by arc-chutes come arc extinguishing, electric arc can be put out present breaker by buffer area mostly after arc-chutes
Then arc is discharged from exhaust outlet, however present arc-chutes are the chamber of a connection mostly, electric arc after arc-chutes ejection all
This is converged at, short circuit is be easy to cause.
Summary of the invention
In order to overcome the shortcomings of that background technique, the present invention provide a kind of breaker exhaust arc-extinguishing mechanism and small-sized open circuit
Device mainly solves the chamber that present breaker exhaust arc-extinguishing mechanism is a connection mostly, and electric arc is after arc-chutes ejection
This is all converged at, the problem of short circuit is be easy to cause.
The technical scheme adopted by the invention is that:
A kind of breaker exhaust arc-extinguishing mechanism, including shell, the interior installation cavity being equipped with for installing arc-chutes of the shell, institute
The gas vent that shell is equipped with perforation setting is stated, mutually isolated the first cushion chamber and the second buffering are additionally provided in the shell
Chamber, first cushion chamber one end are connected to the installation cavity, and the other end is connected to the gas vent；Second cushion chamber one
End is connected to the installation cavity, and the other end is connected to the gas vent.
Buffer area is equipped in the shell, described buffer area one end is connected to the installation cavity, the other end and the exhaust
Hole connection, further includes partition, the buffer area is separated into first cushion chamber and the second cushion chamber by the partition.
The shell includes the first shell and second shell being detachably connected, and the partition includes first partition and second
Partition, the first partition are set in the first shell, and the second partition is set in the second shell.
The first partition is equipped with groove, and the second partition is equipped with the fin being engaged by clamping with the groove.
Several retaining walls are equipped in first cushion chamber, first cushion chamber is separated into curved by several retaining walls
Exhaust passage, described exhaust passage one end are connected to described with the installation cavity, and the other end is connected to the gas vent.
The retaining wall includes adjacent the first retaining wall and the second retaining wall, and first retaining wall front end is equipped with the first gap, institute
The second retaining wall rear end is stated equipped with the second gap, first cushion chamber is separated into the by first retaining wall and second retaining wall
One chamber, the second chamber and third chamber, first chamber and the second chamber are connected to by first gap, second chamber and described the
Three chambers are connected to by second gap.
The first shell and the second shell are connected by screw to.
A kind of miniature circuit breaker, including a kind of such as above-mentioned breaker exhaust arc-extinguishing mechanism.
The beneficial effects of the present invention are: the present invention provides a kind of breaker exhaust arc-extinguishing mechanism and miniature circuit breaker,
Electric arc is discharged respectively by mutually isolated the first cushion chamber and the second cushion chamber, reduces the risk of short circuit.
Detailed description of the invention
Fig. 1 is the perspective view of the explosion of one embodiment of the invention.
Fig. 2 is the enlarged diagram in Fig. 1 at A.
Fig. 3 is the partial schematic diagram of another embodiment of the present invention.
Fig. 4 is the stereoscopic schematic diagram of the second shell of one embodiment of the invention.
Fig. 5 is the stereoscopic schematic diagram of the second shell of another embodiment of the present invention.
Fig. 6 is the inside stereoscopic schematic diagram of the miniature circuit breaker with mechanism.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings: as shown, a kind of breaker exhaust arc-extinguishing mechanism, packet
Shell 1 is included, the installation cavity 2 for installing arc-chutes 9 is equipped in the shell, the shell is equipped with the gas vent of perforation setting
3, mutually isolated the first cushion chamber 41 and the second cushion chamber 42, first cushion chamber one end and institute are additionally provided in the shell
Installation cavity connection is stated, the other end is connected to the gas vent；Second cushion chamber one end is connected to the installation cavity, the other end
It is connected to the gas vent.Electric arc from arc-chutes come out after, respectively enter the first cushion chamber and the second cushion chamber of isolation, then
Shell is left after reaching gas vent by the first cushion chamber and the second cushion chamber, due to being entrained with the gas of electric arc and metallic particles
Separated.
In the present embodiment, as shown, being equipped with buffer area 40, described buffer area one end and the installation in the shell
Chamber connection, the other end is connected to the gas vent, further includes partition 401, and the buffer area is separated into described the by the partition
One cushion chamber 41 and the second cushion chamber 42.Delay herein using buffer area is separated into the first cushion chamber and second by partition
Chamber is rushed, optionally, first cushion chamber and the second cushion chamber are correspondingly arranged up and down, are entered convenient for electric arc.
In the present embodiment, as shown, the shell includes the first shell 11 and second shell 12 being detachably connected,
The partition includes first partition 402 and second partition 403, and the first partition is set in the first shell, and described second
Partition is set in the second shell.After first shell and second shell are installed, the first partition and second partition can be up and down
It is combined into a complete partition and buffer area is separated into the first cushion chamber and the second cushion chamber, be mounted on more using the structure
Simply.
In the present embodiment, as shown, the first partition be equipped with groove 4021, the second partition be equipped with
The fin 4031 that the groove is engaged by clamping.After the installation is completed, which can be inserted into groove, on the one hand increase the firm of installation
Property, on the other hand, also strengthen the effect of isolation.
In the present embodiment, as shown, being equipped with several retaining walls 411 in first cushion chamber, several retaining walls will
First cushion chamber is separated into curved exhaust passage 5, and described exhaust passage one end is connected to described with the installation cavity, separately
One end is connected to the gas vent.Increase the length of buffering, reduces arcing.
In the present embodiment, as shown, the retaining wall includes adjacent the first retaining wall 4111 and the second retaining wall 4112, institute
The first retaining wall front end is stated equipped with the first gap 4113, second retaining wall rear end is equipped with the second gap 4114, first retaining wall
First cushion chamber is separated into the first chamber 431, the second chamber 432 and third chamber 433, first chamber with second retaining wall
It is connected to the second chamber by first gap, second chamber is connected to the third chamber by second gap.It is each
Only has a gap between chamber for connection, further arc cutting, using effect is more preferably.
In the present embodiment, as shown, the first shell and the second shell are connected by screw to.
In the present embodiment, as shown, a kind of miniature circuit breaker, uses including a kind of such as above-mentioned breaker and be vented arc extinguishing
Mechanism.
In the description of the present invention, it is to be understood that, term " length ", " width ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
The embodiment being described with reference to the drawings is exemplary, it is intended to is used to explain the present invention, and be should not be understood as to this hair
Bright limitation.Embodiment is not construed as limitation of the present invention, but any based on spiritual improvements introduced of the invention, all should be
Within protection scope of the present invention.
Claims (8)
1. a kind of breaker exhaust arc-extinguishing mechanism, including shell (1), the shell is interior to be equipped with for installing arc-chutes (9)
Installation cavity (2), the shell be equipped with perforation setting gas vent (3), it is characterised in that: be additionally provided in the shell mutually every
From the first cushion chamber (41) and the second cushion chamber (42),
First cushion chamber one end is connected to the installation cavity, and the other end is connected to the gas vent；
Second cushion chamber one end is connected to the installation cavity, and the other end is connected to the gas vent.
2. a kind of breaker according to claim 1 exhaust arc-extinguishing mechanism, it is characterised in that: be equipped in the shell slow
It rushes area (40), it further includes partition that described buffer area one end is connected to the installation cavity, and the other end is connected to the gas vent
(401), the buffer area is separated into first cushion chamber (41) and the second cushion chamber (42) by the partition.
3. a kind of breaker according to claim 2 exhaust arc-extinguishing mechanism, it is characterised in that: the shell includes removable
Unloading the first shell (11) and second shell (12) of connection, the partition includes first partition (402) and second partition (403),
The first partition is set in the first shell, and the second partition is set in the second shell.
4. a kind of breaker according to claim 3 exhaust arc-extinguishing mechanism, it is characterised in that: set in the first partition
Fluted (4021), the second partition are equipped with the fin being engaged by clamping with the groove.
5. a kind of breaker according to claim 4 exhaust arc-extinguishing mechanism, it is characterised in that: in first cushion chamber
Equipped with several retaining walls (411), first cushion chamber is separated into curved exhaust passage (5), the row by several retaining walls
Gas one end of the channel is connected to described with the installation cavity, and the other end is connected to the gas vent.
6. a kind of breaker according to claim 5 exhaust arc-extinguishing mechanism, it is characterised in that: the retaining wall includes adjacent
The first retaining wall (4111) and the second retaining wall (4112), first retaining wall front end be equipped with the first gap (4113), described second
Retaining wall rear end is equipped with the second gap (4114), and first cushion chamber is separated into the by first retaining wall and second retaining wall
One chamber (431), the second chamber (432) and third chamber (433), first chamber and the second chamber are connected to by first gap, institute
It states the second chamber and is connected to the third chamber by second gap.
7. a kind of breaker according to claim 3 exhaust arc-extinguishing mechanism, it is characterised in that: the first shell and institute
Second shell is stated to be connected by screw to.
8. a kind of miniature circuit breaker, it is characterised in that: including a kind of breaker row as described in claim 1-7 any one
Gas arc-extinguishing mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910397118.5A CN110071021A (en) | 2019-05-14 | 2019-05-14 | A kind of breaker exhaust arc-extinguishing mechanism and miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910397118.5A CN110071021A (en) | 2019-05-14 | 2019-05-14 | A kind of breaker exhaust arc-extinguishing mechanism and miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110071021A true CN110071021A (en) | 2019-07-30 |
Family
ID=67370682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910397118.5A Pending CN110071021A (en) | 2019-05-14 | 2019-05-14 | A kind of breaker exhaust arc-extinguishing mechanism and miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110071021A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003346635A (en) * | 2002-05-28 | 2003-12-05 | Mitsubishi Electric Corp | Circuit breaker |
| CN106024534A (en) * | 2016-07-19 | 2016-10-12 | 温州罗格朗电器有限公司 | Heat radiating element with exhaust passage installed in circuit breaker, and circuit breaker comprising same |
| CN205845876U (en) * | 2016-08-11 | 2016-12-28 | 上海长城开关厂有限公司 | A kind of miniature circuit breaker |
| WO2017076140A1 (en) * | 2015-11-02 | 2017-05-11 | 上海电科电器科技有限公司 | Circuit breaker and exhaust structure thereof |
| CN206293400U (en) * | 2016-12-30 | 2017-06-30 | 浙江天正电气股份有限公司 | A kind of arc-extinguishing mechanism of miniature circuit breaker |
| CN209626172U (en) * | 2019-05-14 | 2019-11-12 | 浙江创奇电气有限公司 | A kind of breaker exhaust arc-extinguishing mechanism and miniature circuit breaker |
-
2019
- 2019-05-14 CN CN201910397118.5A patent/CN110071021A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003346635A (en) * | 2002-05-28 | 2003-12-05 | Mitsubishi Electric Corp | Circuit breaker |
| CN1477666A (en) * | 2002-05-28 | 2004-02-25 | 三菱电机株式会社 | Circuit cut-off device |
| WO2017076140A1 (en) * | 2015-11-02 | 2017-05-11 | 上海电科电器科技有限公司 | Circuit breaker and exhaust structure thereof |
| CN106024534A (en) * | 2016-07-19 | 2016-10-12 | 温州罗格朗电器有限公司 | Heat radiating element with exhaust passage installed in circuit breaker, and circuit breaker comprising same |
| CN205845876U (en) * | 2016-08-11 | 2016-12-28 | 上海长城开关厂有限公司 | A kind of miniature circuit breaker |
| CN206293400U (en) * | 2016-12-30 | 2017-06-30 | 浙江天正电气股份有限公司 | A kind of arc-extinguishing mechanism of miniature circuit breaker |
| CN209626172U (en) * | 2019-05-14 | 2019-11-12 | 浙江创奇电气有限公司 | A kind of breaker exhaust arc-extinguishing mechanism and miniature circuit breaker |
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| PB01 | Publication | ||
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