CN105914110B - A kind of miniature circuit breaker - Google Patents
A kind of miniature circuit breaker Download PDFInfo
- Publication number
- CN105914110B CN105914110B CN201610438281.8A CN201610438281A CN105914110B CN 105914110 B CN105914110 B CN 105914110B CN 201610438281 A CN201610438281 A CN 201610438281A CN 105914110 B CN105914110 B CN 105914110B
- Authority
- CN
- China
- Prior art keywords
- contact
- arc
- circuit breaker
- armature
- miniature circuit
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
-
- 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
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
A kind of miniature circuit breaker.Mainly solve present breaker clapper-type tripping mechanism disjunction it is not quick enough the problem of.The present invention provides a kind of miniature circuit breaker, in its housing arc-extinguishing mechanism, tripping mechanism and contact mechanism are provided with provided with interior, the contact that tripping mechanism includes being correspondingly arranged is supported and electrical apparatus release, contact is hinged with the tripping being correspondingly arranged and lock on supporting, contact mechanism includes static contact and is articulated with the moving contact of contact support, promotes the second place that moving contact makes it be separated with static contact when latching first position when including closing a floodgate and separating brake in the presence of electrical apparatus release.When this breaker open operation, electrical apparatus release promotes lock action, and lock is beaten makes its faster disjunction on moving contact, simple in construction, and disjunction is rapid and reduces cost.
Description
Technical field
The present invention relates to field of circuit breakers, specially a kind of miniature circuit breaker.
Background technology
Breaker have advanced structure, dependable performance, strong breaking capacity, it is aesthetic in appearance compact the features such as, make office building, live
The overload and short-circuit protection of the illumination of residence and similar building, distribution line and equipment are used, and can act also as circuit infrequently
Make-break operation is used with conversion.
The inside of present breaker is designed with arc-extinguishing mechanism, tripping mechanism and contact mechanism etc., present breaker
Clapper-type tripping mechanism disjunction is not quick enough.
The content of the invention
In order to overcome the shortcomings of background technology, the present invention provides a kind of miniature circuit breaker, mainly solves present open circuit
The problem of clapper-type tripping mechanism disjunction of device is not quick enough.
The technical solution adopted in the present invention is：
In a kind of miniature circuit breaker, including housing, the housing arc-extinguishing mechanism, tripping mechanism and contact machine are provided with provided with interior
Structure, the contact that the tripping mechanism includes being correspondingly arranged supports and electrical apparatus release that the contact is supported to be hinged with what is be correspondingly arranged
Tripping and lock, the contact mechanism include static contact and are articulated with the moving contact that the contact is supported, the lock includes closing
The moving contact is promoted it is separated with the static contact in the presence of the electrical apparatus release when first position during lock and separating brake
The second place.
The electrical apparatus release includes yoke, rank that is that the yoke coordinates provided with activity and being correspondingly arranged with the lock
Iron, the yoke also includes the contact chip being correspondingly arranged with the armature, and the armature is provided with elastic preload piece, the housing
Inside it is additionally provided with the adjusting part for adjusting gap between the armature and the contact chip.
The adjusting part includes the fixed seat that corresponding tilt is arranged on above the armature, and the fixed seat bottom is provided with
Limit shaft, the limit shaft bottom and the rank are removably connected with least two regulating tanks, at least one described regulating tank
Iron compresses cooperation.
The elastic preload piece is extension spring.
The yoke includes L-shaped frame, and the L-shaped frame includes platform and pillar, and the armature is included in projection, the projection
End is provided with opening, and the projection compresses cooperation with the platform, and the pillar is in the opening.
Also include quiet contact plate, the extension spring two ends are connected respectively at the quiet contact plate and the armature.
The arc-extinguishing mechanism includes arc-extinguish chamber, and the arc-extinguish chamber includes the uniform arc extinguishing grid pieces of some compartments, the housing
Interior to be provided with some limited blocks, the limited block is located between the two neighboring arc extinguishing grid pieces.
The housing bottom is provided with the surge chamber being in communication with the outside, the arc-extinguish chamber and the surge chamber with the arc-extinguish chamber
Between be provided with retaining wall, be tiltedly installed with groove to the surge chamber direction on the retaining wall.
Described quiet contact plate one end is provided with striking hook, and the yoke bottom is correspondingly provided with extended end with the striking hook.
The lock is provided with the pushing part for being used for promoting the moving contact.
The beneficial effects of the invention are as follows：The present invention is provided is provided with arc extinguishing machine provided with a kind of miniature circuit breaker, its housing
Structure, tripping mechanism and contact mechanism, the contact that tripping mechanism includes being correspondingly arranged support and electrical apparatus release that contact is supported to be hinged with
The tripping being correspondingly arranged and lock, contact mechanism include static contact and are articulated with the moving contact of contact support, and lock includes closing a floodgate
When first position and promote moving contact to make the second place that it is separated with static contact in the presence of electrical apparatus release during separating brake.This is disconnected
When the device separating brake of road, electrical apparatus release promotes lock action, and lock is beaten makes its faster disjunction on moving contact, simple in construction, point
It is disconnected rapid and reduce cost.
Brief description of the drawings
Fig. 1 is the schematic internal view of one embodiment of the invention.
Fig. 2 is enlarged drawing at Figure 1A.
Fig. 3 is the second place schematic diagram of the lock of one embodiment of the invention.
Fig. 4 is Figure 1B enlarged drawings.
Fig. 5 is the three-dimensional partial schematic diagram of one embodiment of the invention.
Fig. 6 is the three-dimensional partial schematic diagram of one embodiment of the invention.
Fig. 7 is the schematic perspective view of the yoke of one embodiment of the invention.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：As illustrated, a kind of miniature circuit breaker, including housing 1, institute
State in housing 1 provided with interior provided with arc-extinguishing mechanism, tripping mechanism and contact mechanism, the tripping mechanism includes the contact being correspondingly arranged
2 and electrical apparatus release 3 are supported, the contact is supported to be hinged with the tripping 21 being correspondingly arranged and lock 22 on 2, and the contact mechanism includes
Static contact 24 and the moving contact 23 for being articulated with the contact support 2, first position and separating brake when the lock 22 includes closing a floodgate
When the second place that the moving contact 23 makes it be separated with the static contact 24 is promoted in the presence of the electrical apparatus release 3.Lock
It is prior art to support to be hinged with contact and support to be hinged provided with torsion spring, moving contact and contact and be provided with torsion spring, is not being repeated,
When breaker open operation, electrical apparatus release promotes lock to rotate, while lock is separated with the tripping being engaged, in electrical apparatus release active force
The lower disjunction beaten on moving contact, accelerate moving contact and static contact is promoted, the present invention is provided in a kind of miniature circuit breaker, its housing
Arc-extinguishing mechanism, tripping mechanism and contact mechanism are provided with provided with interior, the contact that tripping mechanism includes being correspondingly arranged is supported and electrical apparatus release,
The tripping being correspondingly arranged and lock are hinged with contact support, contact mechanism includes static contact and is articulated with the dynamic tactile of contact support
Head, promotes moving contact it is separated with static contact when latching first position when including closing a floodgate and separating brake in the presence of electrical apparatus release
The second place.When this breaker open operation, electrical apparatus release promotes lock action, and lock is made makes it faster score on moving contact
Disconnected, simple in construction, disjunction is rapid.
In the present embodiment, as illustrated, the electrical apparatus release 3 includes yoke 31, the yoke 31 coordinates provided with activity
And with the armature 32 that are correspondingly arranged of lock 22, the yoke 31 also includes the contact chip being correspondingly arranged with the armature 32
33, the armature 32 is provided with to be additionally provided with elastic preload piece 34, the housing 1 and contacted for adjusting the armature 32 with described
The adjusting part in gap between piece 33.The air gap between armature and yoke is adjusted by adjusting part, and then electricity can be influenceed
Magnetic force initial size, for adjusting the size of current instantaneously adjusted, the product that different dropout types can be achieved is adjusted by air gap.
In the present embodiment, as illustrated, the adjusting part, which includes corresponding tilt, is arranged on the top of armature 32
Fixed seat 41, the bottom of fixed seat 41, which is provided with least two regulating tanks 42, at least one described regulating tank 42, detachably to be connected
Limit shaft 43 is connected to, the bottom of limit shaft 43 compresses cooperation with the armature 32.By the way that limit shaft is arranged on into different tune
The air gap between armature and contact chip is adjusted in section groove, it is simple in construction, it is easy to use.
In the present embodiment, as illustrated, the elastic preload piece 34 is extension spring.It may be otherwise using other elasticity
Part, such as disc spring, shell fragment etc., extension spring are preferred, and cost is relatively low, are easy to obtain.
In the present embodiment, as illustrated, the yoke 31 includes L-shaped frame 35, the L-shaped frame 35 includes the He of platform 351
Pillar 352, the armature 32 includes projection 321, and the middle-end of projection 321 is provided with opening 322, and the projection 321 is put down with described
Platform 351 compresses cooperation, and the pillar 352 is in the opening 322.The relative structure being hinged, the application is simple in construction, assembling
It is convenient, projection need to be only placed on platform, then pillar, which is arranged in gap, just can realize movable cooperation, then by drawing
Spring realizes pretension, when separating brake, and in the presence of magnetic pull, armature is movable downwards, and then promotes lock separating brake.
In the present embodiment, as illustrated, also including quiet contact plate 51, the extension spring two ends are respectively at the quiet contact plate
51 and the armature 32 connect.Simple in construction, using effect is good.
In the present embodiment, as illustrated, the arc-extinguishing mechanism includes arc-extinguish chamber 6, the arc-extinguish chamber 6 includes some compartments
Some limited blocks 13 are provided with uniform arc extinguishing grid pieces 61, the housing 1, the limited block 13 is located at the two neighboring arc extinguishing
Between grid 61.When arc-extinguish chamber is placed in housing, arc extinguishing grid pieces can be carried out by limited block it is spacing, and then realize
To the spacing of arc-extinguish chamber, prevent electric arc from destroying arc-chutes in each grid motion process, be conducive to entering for multiple disjunction experiment
OK.
In the present embodiment, as illustrated, the bottom of the housing 1 is provided with the buffering being in communication with the outside with the arc-extinguish chamber 6
Room 14, is provided with retaining wall 15, the retaining wall 15 between the arc-extinguish chamber 6 and the surge chamber 14 and inclines to the direction of surge chamber 14
Tiltedly it is provided with groove 151.The groove being obliquely installed prevents gas reflection meeting arc-chutes, and arc quenching effect is more preferable.
In the present embodiment, as illustrated, described one end of quiet contact plate 51 is provided with striking hook 511, the bottom of yoke 31
Extended end 311 is correspondingly provided with the striking hook 511.Elongating arc increases burning voltage, increases arc quenching effect.
In the present embodiment, as illustrated, the lock 22 is provided with the pushing part for being used for promoting the moving contact 23
225。
Embodiment is not construed as limitation of the present invention, but any spiritual improvements introduced based on the present invention, all should be
Within protection scope of the present invention.
Claims (8)
1. a kind of miniature circuit breaker, including housing（1）, the housing（1）It is interior to be provided with arc-extinguishing mechanism, tripping mechanism and contact machine
Structure, the contact that the tripping mechanism includes being correspondingly arranged is supported（2）And electrical apparatus release（3）, the contact support（2）On be hinged with pair
The tripping that should be set（21）And lock（22）, the contact mechanism include static contact（24）Supported with the contact is articulated with（2）
Moving contact（23）, it is characterised in that：The lock（22）First position during including closing a floodgate and during separating brake in the electrical apparatus release
（3）In the presence of promote the moving contact（23）Make itself and the static contact（24）The second place of separation, the electrical apparatus release（3）
Including yoke（31）, the yoke（31）Provided with activity coordinate and with the lock（22）The armature being correspondingly arranged（32）,
The yoke（31）Also include and the armature（32）The contact chip being correspondingly arranged（33）, the armature（32）It is pre- provided with elasticity
Tight part（34）, the housing（1）Inside it is additionally provided with for adjusting the armature（32）With the contact chip（33）Between gap tune
Component is saved, the adjusting part is arranged on the armature including corresponding tilt（32）The fixed seat of top（41）, the fixed seat
（41）Bottom is provided with least two regulating tanks（42）, at least one described regulating tank（42）Inside it is removably connected with limit shaft
（43）, the limit shaft（43）Bottom and the armature（32）Compress cooperation.
2. a kind of miniature circuit breaker according to claim 1, it is characterised in that：The elastic preload piece（34）For extension spring.
3. a kind of miniature circuit breaker according to claim 2, it is characterised in that：The yoke（31）Including L-shaped frame（35）,
The L-shaped frame（35）Including platform（351）And pillar（352）, the armature（32）Including projection（321）, the projection（321）
Middle-end is provided with opening（322）, the projection（321）With the platform（351）Compress cooperation, the pillar（352）Located at described
Opening（322）It is interior.
4. a kind of miniature circuit breaker according to claim 3, it is characterised in that：Also include quiet contact plate（51）, it is described to draw
Spring two ends are respectively at the quiet contact plate（51）With the armature（32）Connection.
5. a kind of miniature circuit breaker according to claim 4, it is characterised in that：The arc-extinguishing mechanism includes arc-extinguish chamber（6）,
The arc-extinguish chamber（6）Including the uniform arc extinguishing grid pieces of some compartments（61）, the housing（1）It is interior to be provided with some limited blocks（13）,
The limited block（13）Located at the two neighboring arc extinguishing grid pieces（61）Between.
6. a kind of miniature circuit breaker according to claim 5, it is characterised in that：The housing（1）Bottom and the arc extinguishing
Cover（6）Provided with the surge chamber being in communication with the outside（14）, the arc-extinguish chamber（6）With the surge chamber（14）Between be provided with retaining wall
（15）, the retaining wall（15）On to the surge chamber（14）Direction is tiltedly installed with groove（151）.
7. a kind of miniature circuit breaker according to claim 6, it is characterised in that：The quiet contact plate（51）One end, which is provided with, draws
Arc hook（511）, the yoke（31）Bottom and the striking hook（511）It is correspondingly provided with extended end（311）.
8. a kind of miniature circuit breaker according to claim 1, it is characterised in that：The lock（22）Being provided with is used to promote
The moving contact（23）Pushing part（225）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610438281.8A CN105914110B (en) | 2016-06-20 | 2016-06-20 | A kind of miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610438281.8A CN105914110B (en) | 2016-06-20 | 2016-06-20 | A kind of miniature circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105914110A CN105914110A (en) | 2016-08-31 |
| CN105914110B true CN105914110B (en) | 2017-10-20 |
Family
ID=56751627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610438281.8A Active CN105914110B (en) | 2016-06-20 | 2016-06-20 | A kind of miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105914110B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107833813A (en) * | 2017-12-11 | 2018-03-23 | 宏秀电气有限公司 | A kind of Anti-surging breaker |
| CN108288570B (en) * | 2017-12-22 | 2024-02-13 | 上海诺雅克电气有限公司 | Tripping device of circuit breaker |
| CN108054059A (en) * | 2017-12-28 | 2018-05-18 | 温州市新蓝天电器有限公司 | A kind of breaker with separation type lock buckle tripping device |
| CN108109886B (en) * | 2018-01-18 | 2024-04-26 | 温州奥来电器有限公司 | Circuit breaker |
| CN108565191B (en) * | 2018-05-16 | 2024-04-02 | 宏秀电气有限公司 | Electromagnetic tripping mechanism of miniature circuit breaker |
| CN114360977B (en) * | 2022-03-10 | 2022-07-05 | 东莞市中汇瑞德电子股份有限公司 | Circuit breaker capable of being remotely controlled |
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| US4001743A (en) * | 1974-05-14 | 1977-01-04 | Firma Heinrich Kopp, Inhaber Theodor Simoneit | Heavy duty automatic circuit breaker |
| CN2777745Y (en) * | 2004-07-26 | 2006-05-03 | 浙江德力西电器股份有限公司 | Operating mechanism for small circuit breaker |
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| CN101587802A (en) * | 2009-06-18 | 2009-11-25 | 德力西电气有限公司 | Rapid-releasing breaker |
| CN101699609A (en) * | 2009-10-23 | 2010-04-28 | 江苏辉能电气有限公司 | Electromagnetic tripping device of low-voltage circuit breaker |
| CN103050342A (en) * | 2012-12-20 | 2013-04-17 | 李敏 | Circuit breaker operation mechanism and circuit breaker |
| CN104867790A (en) * | 2014-02-21 | 2015-08-26 | 西门子公司 | Magnetic tripping device and overcurrent tripping device of an electrical switch and electrical switch and method for calibrating the magnetic tripping of a magnetic tripping device |
| CN104934270A (en) * | 2015-06-26 | 2015-09-23 | 温州罗格朗电器有限公司 | Circuit breaker |
| CN204946839U (en) * | 2015-09-18 | 2016-01-06 | 杭州之江开关股份有限公司 | A kind of release electromagnet device being easy to adjustment setting current |
| CN205723392U (en) * | 2016-06-20 | 2016-11-23 | 浙江天正电气股份有限公司 | A kind of miniature circuit breaker of quick disjunction |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE502004007985D1 (en) * | 2004-07-05 | 2008-10-16 | Abb Schweiz Ag | Mobile contact unit for a contact arrangement of a circuit breaker |
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2016
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4001743A (en) * | 1974-05-14 | 1977-01-04 | Firma Heinrich Kopp, Inhaber Theodor Simoneit | Heavy duty automatic circuit breaker |
| CN2777745Y (en) * | 2004-07-26 | 2006-05-03 | 浙江德力西电器股份有限公司 | Operating mechanism for small circuit breaker |
| CN101231926A (en) * | 2008-02-21 | 2008-07-30 | 江苏西蒙智控设备有限公司 | Actuating mechanism of small size circuit breaker |
| CN101587802A (en) * | 2009-06-18 | 2009-11-25 | 德力西电气有限公司 | Rapid-releasing breaker |
| CN101699609A (en) * | 2009-10-23 | 2010-04-28 | 江苏辉能电气有限公司 | Electromagnetic tripping device of low-voltage circuit breaker |
| CN103050342A (en) * | 2012-12-20 | 2013-04-17 | 李敏 | Circuit breaker operation mechanism and circuit breaker |
| CN104867790A (en) * | 2014-02-21 | 2015-08-26 | 西门子公司 | Magnetic tripping device and overcurrent tripping device of an electrical switch and electrical switch and method for calibrating the magnetic tripping of a magnetic tripping device |
| CN104934270A (en) * | 2015-06-26 | 2015-09-23 | 温州罗格朗电器有限公司 | Circuit breaker |
| CN204946839U (en) * | 2015-09-18 | 2016-01-06 | 杭州之江开关股份有限公司 | A kind of release electromagnet device being easy to adjustment setting current |
| CN205723392U (en) * | 2016-06-20 | 2016-11-23 | 浙江天正电气股份有限公司 | A kind of miniature circuit breaker of quick disjunction |
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| Publication number | Publication date |
|---|---|
| CN105914110A (en) | 2016-08-31 |
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