CN101770909B - Back-up protection tripping device of electronic type molded case circuit breaker - Google Patents
Back-up protection tripping device of electronic type molded case circuit breaker Download PDFInfo
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- CN101770909B CN101770909B CN2010101023040A CN201010102304A CN101770909B CN 101770909 B CN101770909 B CN 101770909B CN 2010101023040 A CN2010101023040 A CN 2010101023040A CN 201010102304 A CN201010102304 A CN 201010102304A CN 101770909 B CN101770909 B CN 101770909B
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Abstract
The invention discloses a back-up protection tripping device of electronic type molded case circuit breaker, which is mainly applied to B phase super current short circuit protection for electronic type molded case circuit breaker. The back-up protection tripping device comprises a breaker manipulator, a connecting rod and a back-up protection tripper; the breaker manipulator is provided with a drag bar; the connecting rod is arranged between the drag bar and an armature to be hinged on the breaker manipulator, two ends of the connecting rod are respectively buckled with the armature and the drag bar, thus avoiding the back-up protection tripper applied on B phase in the invention to be in the same line with the existing back-up protection trippers on A phase and C phase, namely, the back-up protection tripper on B phase is arranged in stagger way with the back-up protection trippers on A phase and C phase, thus avoiding interference of the breaker manipulator and leaving space for installation of the back-up protection tripper on B phase; therefore, while A phase and C phase are provided with back-up short circuit protection, back-up short circuit protection of B phase can be realized.
Description
Technical field
The present invention relates to a kind of back-up protection tripping device of electronic type molded case circuit breaker, be mainly used in the especially big short circuit current protection of electronic type molded case circuit breaker B phase in the prior art.
Background technology
Electronic type molded case circuit breaker is the control signal that produces through intelligent controller; The control release makes the circuit breaker disjunction; Thereby make circuit breaker play the effect of protection circuit, still, when having especially big short circuit current to pass through in the circuit; Electronic breaker disjunction fault is as quick as thought carried out route protection effectively.
Therefore, in the prior art, generally in electronic type molded case circuit breaker, install electromagnetic type backup protection release additional; Realization is to the quick disjunction of especially big short circuit current, yoke, bearing pin and reaction spring that this electromagnetic type backup protection release generally comprises armature, support, is fixedly connected with the circuit breaker base, and said armature is through hinged on bearing pin and the support; Yoke then is fixedly connected with the lower end of support, and reaction spring is socketed on the bearing pin, and the two ends of this reaction spring are connected with armature and support respectively; The backup protection release that circuit breaker A, C two go up is mutually installed all in the following manner: two connecting portions promptly are set accordingly, to realize between armature and the draw bar snapping each other, then when having unusual especially big short circuit current on armature and draw bar respectively; Because armature and yoke adhesive; The rotation of armature affects draw bar to rotate, and makes circuit breaker operation mechanism thread off, and realizes the quick disjunction of circuit breaker; Hence one can see that; On the draw bar the compartment of terrain be provided with two be respectively applied for A, C two goes up the connecting portion that electromagnetic type backup protection release armature is interlockingly connected mutually, then for the low capacity electronic type molded case circuit breaker, because the restriction of installing space; Can't go up electromagnetic type backup protection release mounting means mutually according to A, C two again and carry out the installation of B phase backup protection release; Therefore, in the prior art, the B of circuit breaker does not possess especially big short circuit current protection.
Summary of the invention
The present invention is directed to the deficiency of prior art; A kind of back-up protection tripping device of electronic type molded case circuit breaker is provided; It is through being provided with connecting rod between circuit breaker operation mechanism draw bar and electromagnetic type backup protection release; And the two ends of this connecting rod are interlockingly connected with draw bar and this electromagnetic type backup protection release armature respectively, realize the quick disjunction to especially big short circuit current, thereby circuit is played protection.
For realizing above technical purpose, the present invention will take following technical scheme:
A kind of back-up protection tripping device of electronic type molded case circuit breaker; Comprise the draw bar and the backup protection release that are arranged on the circuit breaker operation mechanism; Said backup protection release comprises armature, support, the yoke, bearing pin and the reaction spring that are fixedly connected with the circuit breaker base; Armature is hinged through bearing pin and support upper end, and yoke then is fixedly connected with the lower end of support, and reaction spring is socketed on the bearing pin; And the two ends of this reaction spring are connected with armature and support respectively; Also be provided with connecting rod between said armature and the draw bar, the said connecting rod body of rod is articulated on the circuit breaker operation mechanism, and the two ends of this connecting rod are interlockingly connected with draw bar and armature respectively.
Said connecting rod is V-shaped, and two openends of this V-arrangement connecting rod are interlockingly connected with draw bar and armature respectively, and its closed bottom end is then hinged with circuit breaker operation mechanism.
The closed bottom end of V-arrangement connecting rod is hinged through locating shaft and circuit breaker operation mechanism.
According to above technical scheme, can realize following beneficial effect:
The present invention is through being provided with connecting rod between draw bar and armature; This rod hinge connection is on circuit breaker operation mechanism, and the two ends of connecting rod are interlockingly connected with armature and draw bar respectively, therefore; Can backup protection release of the present invention can be installed mutually at the B of electronic type molded case circuit breaker; The backup protection release of avoiding B to go up mutually is located along the same line with the backup protection release that A of the prior art, C two go up mutually, i.e. the interference of circuit breaker operation mechanism has been avoided in B backup protection release of going up mutually and the backup protection release placement mutually that A of the prior art, C two go up mutually with misplacing; Give the installation leaving space of the backup protection release that B goes up mutually; Therefore, when A, C possess the reserve short-circuit protection mutually, can also realize the reserve short-circuit protection of B phase.
Description of drawings
Further specify technical scheme of the present invention below in conjunction with accompanying drawing.
Fig. 1 is a perspective view of the present invention;
Fig. 2 is the amplification perspective view of backup protection release among the present invention;
Fig. 3 is a left view of the present invention;
Wherein, circuit breaker operation mechanism 1 draw bar 2 connecting axles 3 connecting rods 4 armature 51 yokes 52 stainless steel stents 53 reaction springs 54 bearing pins 55.
Embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is described at length.
Shown in Fig. 1 to 3; The back-up protection tripping device of electronic type molded case circuit breaker of the present invention comprises circuit breaker operation mechanism 1, connecting rod 4 and backup protection release, and this circuit breaker operation mechanism 1 is provided with draw bar 2; Connecting rod 4 then is hinged on the circuit breaker operation mechanism 1; Said backup protection release comprises armature 51, support 53, the yoke 52 that is fixedly connected with the circuit breaker base, bearing pin 55 and reaction spring 54, and said connecting rod 4 is V-shaped, and two openends of this V-arrangement connecting rod 4 are interlockingly connected with draw bar 2 and armature 51 respectively; Its closed bottom end is then hinged with circuit breaker operation mechanism 1; And the closed bottom end of this V-arrangement connecting rod 4 is hinged through locating shaft and circuit breaker operation mechanism 1, and said armature 51 is hinged through bearing pin 55 and support 53 upper ends, and yoke 52 then is fixedly connected with the lower end of support 53; Reaction spring 54 is socketed on the bearing pin 55, and the two ends of this reaction spring 54 are connected with armature 51 and support 53 respectively.
During operate as normal, the reaction force of spring makes yoke 52 and armature open in 51 minutes; When busbar has big especially short circuit current to pass through; Can produce an electromagnetic field, make yoke 52 and armature 51 adhesives, because yoke 52 is fixed on the base; Armature 51 rotates forward and beats on connecting rod 4; Connecting rod 4 rotates and then stirs draw bar 2 actions, makes circuit breaker operation mechanism 1 thread off, and realizes the quick disjunction of circuit breaker.
Claims (3)
1. the back-up protection tripping device of an electronic type molded case circuit breaker; Comprise the draw bar and the backup protection release that are arranged on the circuit breaker operation mechanism; Said backup protection release comprises armature, support, the yoke, bearing pin and the reaction spring that are fixedly connected with the circuit breaker base, and armature is through hinged on bearing pin and the support, and yoke then is fixedly connected with the lower end of support; Reaction spring is socketed on the bearing pin; And the two ends of this reaction spring are connected with armature and support respectively, it is characterized in that, also are provided with connecting rod between said armature and the draw bar; The said connecting rod body of rod is articulated on the circuit breaker operation mechanism, and the two ends of this connecting rod are interlockingly connected with draw bar and armature respectively.
2. according to the back-up protection tripping device of the said electronic type molded case circuit breaker of claim 1; It is characterized in that; Said connecting rod is V-shaped, and two openends of this V-arrangement connecting rod are interlockingly connected with draw bar and armature respectively, and its closed bottom end is then hinged with circuit breaker operation mechanism.
3. according to the back-up protection tripping device of the said electronic type molded case circuit breaker of claim 2, it is characterized in that the closed bottom end of V-arrangement connecting rod is hinged through locating shaft and circuit breaker operation mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101023040A CN101770909B (en) | 2010-01-28 | 2010-01-28 | Back-up protection tripping device of electronic type molded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101023040A CN101770909B (en) | 2010-01-28 | 2010-01-28 | Back-up protection tripping device of electronic type molded case circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101770909A CN101770909A (en) | 2010-07-07 |
| CN101770909B true CN101770909B (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101023040A Active CN101770909B (en) | 2010-01-28 | 2010-01-28 | Back-up protection tripping device of electronic type molded case circuit breaker |
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| Country | Link |
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| CN (1) | CN101770909B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102420048B (en) * | 2011-11-21 | 2014-01-15 | 上海诺雅克电气有限公司 | Supply current transformer with standby magnetic tripping function |
| CN103247492A (en) * | 2013-05-14 | 2013-08-14 | 大全集团有限公司 | Electromagnet back-up protection device of low-voltage circuit breaker |
| CN104779127B (en) * | 2015-04-30 | 2017-05-24 | 德力西电气有限公司 | Adjustable magnetic trip and disconnector |
| CN107478889B (en) * | 2016-11-01 | 2020-07-10 | 西安交通大学 | Electromagnetic type short-circuit current rapid identification device and method |
| CN106653508B (en) * | 2017-01-19 | 2018-08-21 | 上海电器股份有限公司人民电器厂 | Electromagnetic short current protective device for breaker |
| CN115148556B (en) * | 2022-09-01 | 2024-01-23 | 浙江正泰电器股份有限公司 | Integrated protection module and circuit breaker |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1296346A2 (en) * | 2001-09-19 | 2003-03-26 | Schneider Electric Industries SAS | Improvements in trip cross bar and trip armature assembly for a circuit breaker |
| DE102007003242B3 (en) * | 2007-01-23 | 2008-09-04 | Siemens Ag | Electromagnetic release device for protection switch, has electromagnetic coil fixed with coil axis, armature moving along coil axis, and yoke acting together with electromagnetic coil and armature |
| CN201112302Y (en) * | 2007-09-11 | 2008-09-10 | 施耐德电器工业公司 | Tripping device for small rated current breaker |
| CN101308743A (en) * | 2008-06-06 | 2008-11-19 | 常熟开关制造有限公司(原常熟开关厂） | Clapping tunable electromagnetic release |
| CN201638768U (en) * | 2010-01-28 | 2010-11-17 | 江苏大全凯帆电器有限公司 | Backup protection tripping device of electronic moulded case circuit breaker |
-
2010
- 2010-01-28 CN CN2010101023040A patent/CN101770909B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1296346A2 (en) * | 2001-09-19 | 2003-03-26 | Schneider Electric Industries SAS | Improvements in trip cross bar and trip armature assembly for a circuit breaker |
| DE102007003242B3 (en) * | 2007-01-23 | 2008-09-04 | Siemens Ag | Electromagnetic release device for protection switch, has electromagnetic coil fixed with coil axis, armature moving along coil axis, and yoke acting together with electromagnetic coil and armature |
| CN201112302Y (en) * | 2007-09-11 | 2008-09-10 | 施耐德电器工业公司 | Tripping device for small rated current breaker |
| CN101308743A (en) * | 2008-06-06 | 2008-11-19 | 常熟开关制造有限公司(原常熟开关厂） | Clapping tunable electromagnetic release |
| CN201638768U (en) * | 2010-01-28 | 2010-11-17 | 江苏大全凯帆电器有限公司 | Backup protection tripping device of electronic moulded case circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101770909A (en) | 2010-07-07 |
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Effective date of registration: 20160909 Address after: Xinba Daquan 212211 Yangzhong Road, Zhenjiang City, Jiangsu province 66 Patentee after: Jiangsu Daquan Kai Kai switch Co., Ltd. Address before: Yihe Road Development Zone in Yangzhong City, Jiangsu province 212200 Patentee before: Jiangsu Daqo Kfine Electric Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.66 Daquan Road, Xinba Town, Yangzhong City, Zhenjiang City, Jiangsu Province Patentee after: Jiangsu Daquan Kaifan switch Co.,Ltd. Address before: No.66 Daquan Road, Xinba Town, Yangzhong City, Zhenjiang City, Jiangsu Province Patentee before: Jiangsu Daquan Kaifan Switch Co.,Ltd. |