CN108565191B - Electromagnetic tripping mechanism of miniature circuit breaker - Google Patents
Electromagnetic tripping mechanism of miniature circuit breaker Download PDFInfo
- Publication number
- CN108565191B CN108565191B CN201810465347.1A CN201810465347A CN108565191B CN 108565191 B CN108565191 B CN 108565191B CN 201810465347 A CN201810465347 A CN 201810465347A CN 108565191 B CN108565191 B CN 108565191B
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- Prior art keywords
- armature
- circuit breaker
- miniature circuit
- piece
- magnetic
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- 230000000694 effects Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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
- H01H71/32—Electromagnetic mechanisms having permanently magnetised part
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
Abstract
An electromagnetic trip mechanism for a miniature circuit breaker. The electromagnetic tripping mechanism mainly solves the problem that when the circuit breaker is stressed and vibrated, the armature can vibrate along with the armature and touch the lock catch to cause a slide buckle because the armature is supported by the elastic piece only. The method is characterized in that: the magnetic yoke is characterized in that the magnetic yoke is rotatably provided with an armature (22), one end of the armature (22) is provided with a pushing part (221), an elastic piece (23) is further arranged in the magnetic yoke, a magnetic piece (3) is further arranged in the shell relative to the armature, and the armature (22) comprises a first position in which the armature rotates when receiving electromagnetic force and drives a lock catch (9) to release through the pushing part and a second position in which the armature is attracted by the magnetic piece through elastic piece reset. The invention provides an electromagnetic tripping mechanism of a small-sized circuit breaker, wherein an armature is attracted by a magnetic piece in a normal state, and a slide buckle is not easy to touch a lock catch by mistake when the circuit breaker is vibrated, so that the electromagnetic tripping mechanism is simple in structure and better in use effect.
Description
Technical Field
The invention relates to the field of circuit breakers, in particular to an electromagnetic tripping mechanism of a miniature circuit breaker.
Background
The circuit breaker has the characteristics of advanced structure, reliable performance, strong breaking capacity, attractive and small appearance and the like, and can be used for the illumination of office buildings, houses and similar buildings, overload and short-circuit protection of distribution lines and equipment, and can also be used for the infrequent on-off operation and conversion of the lines.
In the electromagnetic tripping mechanism of the circuit breaker on the market, the armature is supported by the elastic piece only, so that when the circuit breaker is stressed and vibrated, the armature vibrates along with the vibration to touch the lock catch, and the slide catch is caused.
Disclosure of Invention
In order to overcome the defects of the background technology, the invention provides an electromagnetic tripping mechanism of a small-sized circuit breaker, which mainly solves the problem that an armature of the electromagnetic tripping mechanism of the traditional circuit breaker is supported by an elastic piece only, so that when the circuit breaker is stressed to vibrate, the armature vibrates along with the vibration to touch a lock catch, thereby causing a slide buckle.
The technical scheme adopted by the invention is as follows:
an electromagnetic tripping mechanism of a miniature circuit breaker comprises a shell, wherein a tripping device is arranged in the shell, the tripping device comprises a magnetic yoke, an armature is rotatably arranged on the magnetic yoke, one end of the armature is provided with a pushing part, an elastic piece is further arranged in the magnetic yoke, a magnetic piece is further arranged in the shell relative to the armature,
the armature comprises a first position which rotates when receiving electromagnetic force and drives the lock catch to release through the pushing part, and a second position which is in attraction with the magnetic part through the reset of the elastic part.
The magnetic piece is a permanent magnet.
The magnetic part is matched with the clamping groove in a clamping way.
An open slot is arranged on one side of the fixed column opposite to the armature.
The pushing part is a convex block arranged on the armature.
The elastic piece is a spring piece.
The armature comprises clamping blocks arranged on two sides, the elastic piece comprises support plates arranged on two sides, and clamping holes matched with the clamping blocks in a clamping mode are formed in the support plates.
The beneficial effects of the invention are as follows: the invention provides an electromagnetic tripping mechanism of a small-sized circuit breaker, wherein an armature is attracted by a magnetic piece in a normal state, and a slide buckle is not easy to touch a lock catch by mistake when the circuit breaker is vibrated, so that the electromagnetic tripping mechanism is simple in structure and better in use effect.
Drawings
Fig. 1 is a perspective view illustrating a small circuit breaker according to an embodiment of the present invention.
Fig. 2 is an enlarged schematic view at a in fig. 1.
Fig. 3 is a schematic perspective view of an embodiment of the present invention.
Fig. 4 is an exploded perspective view of one embodiment of the present invention.
Fig. 5 is a schematic view of a partial explosion of an embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings: as shown in the figure, an electromagnetic tripping mechanism of a miniature circuit breaker comprises a shell 1, wherein a release 2 is arranged in the shell, the release comprises a magnetic yoke 21, an armature 22 is rotatably arranged on the magnetic yoke, one end of the armature 22 is provided with a pushing part 221, an elastic piece 23 is further arranged in the magnetic yoke, the armature 22 is further provided with a magnetic piece 3 relative to the armature in the shell, and the armature 22 comprises a first position for rotating and driving a lock catch 9 to release through the pushing part and a second position for returning and sucking the magnetic piece through the elastic piece when receiving electromagnetic force. When the circuit breaker is in closing, the armature and the magnetic piece are attracted, the sliding buckle is not easily caused by mistakenly touching the lock catch when the circuit breaker is in vibration, when the circuit breaker is in opening, the armature is touched by electromagnetic force to enable the lock catch to trip by overcoming the attractive force of the magnetic piece and the supporting force of the elastic piece, on the other hand, when the circuit breaker is in resetting, the armature is enabled to rise to a certain position through the acting force of the elastic piece to be attracted with the magnetic piece, and therefore the elastic piece only needs to be responsible for resetting the armature to the position when the circuit breaker is in closing, and the requirement on the elastic force of the elastic piece can be reduced.
In this embodiment, as shown in the figure, the magnetic member is a permanent magnet.
In this embodiment, as shown in the drawing, a fixing column 11 is disposed in the housing, a clamping groove 111 is disposed on the fixing column, and the magnetic member is in clamping fit with the clamping groove. The installation is convenient, and the use effect is better.
In this embodiment, as shown, the side of the fixed post opposite the armature is provided with an open slot 112. The armature is convenient to be attracted when rising, and the using effect is better.
In this embodiment, as shown in the drawing, the pushing portion is a bump provided on the armature. The device can also be a convex rod and the like, and can be selected according to actual requirements.
In this embodiment, as shown in the figure, the elastic member is a spring.
In this embodiment, as shown in the drawing, the armature includes two clamping blocks 24 provided on two sides, the elastic member includes two support plates 231 provided on two sides, and clamping holes 232 matched with the clamping blocks in a clamping manner are provided on the support plates. Simple structure, simple to operate, here is in the same place armature and elastic component installation, operates more steadily.
In the description of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The embodiments described with reference to the drawings are exemplary and intended to be illustrative of the invention and should not be construed as limiting the invention. The examples should not be construed as limiting the invention, but any modifications based on the spirit of the invention should be within the scope of the invention.
Claims (7)
1. The utility model provides an electromagnetic trip mechanism of miniature circuit breaker, includes casing (1), be equipped with release (2) in the casing, the release includes yoke (21), its characterized in that: an armature (22) is rotatably arranged on the magnetic yoke, a pushing part (221) is arranged at one end of the armature (22), an elastic piece (23) is arranged in the magnetic yoke, a magnetic piece (3) is arranged in the shell relative to the armature,
the armature (22) comprises a first position which rotates when receiving electromagnetic force and drives the lock catch (9) to release through the pushing part, and a second position which is in attraction with the magnetic piece through the reset of the elastic piece.
2. The electromagnetic trip mechanism of a miniature circuit breaker of claim 1, wherein: the magnetic piece is a permanent magnet.
3. The electromagnetic trip mechanism of a miniature circuit breaker of claim 1, wherein: the shell is internally provided with a fixed column (11), the fixed column is provided with a clamping groove (111), and the magnetic piece is matched with the clamping groove in a clamping way.
4. An electromagnetic trip mechanism for a miniature circuit breaker according to claim 3, wherein: an open slot (112) is formed in one side of the fixed column opposite to the armature.
5. The electromagnetic trip mechanism of a miniature circuit breaker of claim 1, wherein: the pushing part is a convex block arranged on the armature.
6. The electromagnetic trip mechanism of a miniature circuit breaker of claim 1, wherein: the elastic piece is a spring piece.
7. The electromagnetic trip mechanism of a miniature circuit breaker of claim 6, wherein: the armature comprises clamping blocks (24) arranged on two sides, the elastic piece comprises support plates (231) arranged on two sides, and clamping holes (232) matched with the clamping blocks in a clamping mode are formed in the support plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810465347.1A CN108565191B (en) | 2018-05-16 | 2018-05-16 | Electromagnetic tripping mechanism of miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810465347.1A CN108565191B (en) | 2018-05-16 | 2018-05-16 | Electromagnetic tripping mechanism of miniature circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108565191A CN108565191A (en) | 2018-09-21 |
| CN108565191B true CN108565191B (en) | 2024-04-02 |
Family
ID=63538974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810465347.1A Active CN108565191B (en) | 2018-05-16 | 2018-05-16 | Electromagnetic tripping mechanism of miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108565191B (en) |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09129089A (en) * | 1995-11-07 | 1997-05-16 | Omron Corp | Switch with return function |
| CN1538481A (en) * | 2003-04-14 | 2004-10-20 | 上海电器科学研究所 | Antiexcitation actuator automatic reset device |
| DE102007022466A1 (en) * | 2007-05-08 | 2008-11-13 | Siemens Ag | Circuit-breaker tripping system, has flap anchoring system interrupting magnetic field of yoke during application of current such that anchoring flap is accelerated for releasing contact lifting force to movable contact |
| JP2009211850A (en) * | 2008-03-03 | 2009-09-17 | Fuji Electric Fa Components & Systems Co Ltd | Electromagnetic tripping device of circuit breaker |
| CN201689845U (en) * | 2010-05-20 | 2010-12-29 | 嘉灵开关制造(中山)有限公司 | Hydraulic electromagnetic breaker with free tripping function |
| CN201877378U (en) * | 2010-11-24 | 2011-06-22 | 德力西电气（宁波）有限公司 | Instantaneous surpassing tripping device |
| CN103187214A (en) * | 2011-12-29 | 2013-07-03 | 上海良信电器股份有限公司 | Electromagnetic trip system of hydraulic type disconnector |
| CN203882930U (en) * | 2014-04-14 | 2014-10-15 | 施耐德电器工业公司 | Magnetic tripping device and molded case circuit breaker provided with same |
| CN204088231U (en) * | 2014-09-22 | 2015-01-07 | 温州市新蓝天电器有限公司 | Move the circuit breaker of dropout a kind of novel wink |
| CN205050761U (en) * | 2015-10-22 | 2016-02-24 | 牟爱霞 | Outdoor intelligent quick vacuum permanent magnetism circuit breaker |
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| CN205335202U (en) * | 2016-01-29 | 2016-06-22 | 俊朗电气有限公司 | Be applied to tripping device of circuit breaker |
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| CN205723393U (en) * | 2016-06-20 | 2016-11-23 | 浙江天正电气股份有限公司 | A kind of electromagnetic trip miniature circuit breaker |
| CN206388664U (en) * | 2017-01-22 | 2017-08-08 | 德隆电气股份有限公司 | A kind of breaker and its tripping mechanism |
| CN107123577A (en) * | 2017-07-01 | 2017-09-01 | 中欧电气有限公司 | Small intelligent permanent-magnet breaker |
| CN107230597A (en) * | 2016-04-29 | 2017-10-03 | 上海良信电器股份有限公司 | A kind of miniature circuit breaker clapper-type instantaneous protection mechanism |
| CN107833813A (en) * | 2017-12-11 | 2018-03-23 | 宏秀电气有限公司 | A kind of Anti-surging breaker |
| CN208352239U (en) * | 2018-05-16 | 2019-01-08 | 宏秀电气有限公司 | A kind of electromagnetic release mechanism of miniature circuit breaker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090115556A1 (en) * | 2007-11-05 | 2009-05-07 | Square D Company | Divided adjustable armature for a circuit breaker |
-
2018
- 2018-05-16 CN CN201810465347.1A patent/CN108565191B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09129089A (en) * | 1995-11-07 | 1997-05-16 | Omron Corp | Switch with return function |
| CN1538481A (en) * | 2003-04-14 | 2004-10-20 | 上海电器科学研究所 | Antiexcitation actuator automatic reset device |
| DE102007022466A1 (en) * | 2007-05-08 | 2008-11-13 | Siemens Ag | Circuit-breaker tripping system, has flap anchoring system interrupting magnetic field of yoke during application of current such that anchoring flap is accelerated for releasing contact lifting force to movable contact |
| JP2009211850A (en) * | 2008-03-03 | 2009-09-17 | Fuji Electric Fa Components & Systems Co Ltd | Electromagnetic tripping device of circuit breaker |
| CN201689845U (en) * | 2010-05-20 | 2010-12-29 | 嘉灵开关制造(中山)有限公司 | Hydraulic electromagnetic breaker with free tripping function |
| CN201877378U (en) * | 2010-11-24 | 2011-06-22 | 德力西电气（宁波）有限公司 | Instantaneous surpassing tripping device |
| CN103187214A (en) * | 2011-12-29 | 2013-07-03 | 上海良信电器股份有限公司 | Electromagnetic trip system of hydraulic type disconnector |
| CN105378887A (en) * | 2013-07-11 | 2016-03-02 | 三菱电机株式会社 | Circuit breaker |
| CN203882930U (en) * | 2014-04-14 | 2014-10-15 | 施耐德电器工业公司 | Magnetic tripping device and molded case circuit breaker provided with same |
| CN204088231U (en) * | 2014-09-22 | 2015-01-07 | 温州市新蓝天电器有限公司 | Move the circuit breaker of dropout a kind of novel wink |
| CN205050761U (en) * | 2015-10-22 | 2016-02-24 | 牟爱霞 | Outdoor intelligent quick vacuum permanent magnetism circuit breaker |
| CN205335202U (en) * | 2016-01-29 | 2016-06-22 | 俊朗电气有限公司 | Be applied to tripping device of circuit breaker |
| CN107230597A (en) * | 2016-04-29 | 2017-10-03 | 上海良信电器股份有限公司 | A kind of miniature circuit breaker clapper-type instantaneous protection mechanism |
| CN105914110A (en) * | 2016-06-20 | 2016-08-31 | 浙江天正电气股份有限公司 | Small-sized circuit breaker |
| CN205723393U (en) * | 2016-06-20 | 2016-11-23 | 浙江天正电气股份有限公司 | A kind of electromagnetic trip miniature circuit breaker |
| CN206388664U (en) * | 2017-01-22 | 2017-08-08 | 德隆电气股份有限公司 | A kind of breaker and its tripping mechanism |
| CN107123577A (en) * | 2017-07-01 | 2017-09-01 | 中欧电气有限公司 | Small intelligent permanent-magnet breaker |
| CN107833813A (en) * | 2017-12-11 | 2018-03-23 | 宏秀电气有限公司 | A kind of Anti-surging breaker |
| CN208352239U (en) * | 2018-05-16 | 2019-01-08 | 宏秀电气有限公司 | A kind of electromagnetic release mechanism of miniature circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108565191A (en) | 2018-09-21 |
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