CN102779698A - Electromagnetic trip mechanism for low-voltage circuit breaker - Google Patents
Electromagnetic trip mechanism for low-voltage circuit breaker Download PDFInfo
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- CN102779698A CN102779698A CN2012102452926A CN201210245292A CN102779698A CN 102779698 A CN102779698 A CN 102779698A CN 2012102452926 A CN2012102452926 A CN 2012102452926A CN 201210245292 A CN201210245292 A CN 201210245292A CN 102779698 A CN102779698 A CN 102779698A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 33
- 230000001105 regulatory effect Effects 0.000 claims description 21
- 230000003068 static effect Effects 0.000 claims description 7
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000005452 bending Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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Abstract
The invention discloses an electromagnetic trip mechanism for a low-voltage circuit breaker. The electromagnetic trip mechanism comprises a bracket, an armature which is rotationally arranged on the bracket, a magnet yoke arranged between the bracket and the armature, a reset spring for providing resetting elastic force for the armature, and a pin shaft arranged on the bracket, wherein the bracket comprises two side walls and a connecting wall for connecting the two side walls; pivoting grooves are formed on the side walls; the armature comprises an actuating plate, two pivoting bosses which protrude out of the edges of the left and right sides of the actuating plate, and a reset rod positioned on the top of the actuating plate; each pivoting boss of the armature is positioned on a corresponding pivoting groove on the side wall of the bracket; the reset spring is a torsional spring sleeved on the pin shaft; and one end of the torsional spring is hooked on the armature, and the other end of the torsional spring and the bracket are fixedly arranged in an opposite way. The electromagnetic trip mechanism has the advantages of being compact in structure and relatively stable and relatively reliable in trip performance.
Description
Technical field
The invention belongs to breaker technical field, be specifically related to a kind of electromagnetic trip mechanism that is used for low-voltage circuit breaker.
Background technology
Circuit breaker is to use extremely wide product as the overload in low-voltage distribution system and the motor protection loop, short circuit, under voltage protection electrical equipment.The structure of circuit breaker generally is made up of contact system, arc-control device, operating mechanism, trip gear, plastic casing and optional accessory.Contact system comprises and is connected on the dynamic/static contact that is provided with in pairs in the circuit, and circuit transships, during fault such as short circuit, under voltage, opens dynamic/static contact at the appointed time when the circuit breaker place, line disconnection, and protection circuit and power-supply device are not damaged; The electric arc that arc-control device is used to extinguish dynamic/static contact to be produced when opening; Trip gear comprises thermal release device, electromagnetic trip mechanism, undervoltage tripping mechanism; When circuit was short-circuited, short circuit current flow through trip gear, and the action of magnetic tripping mechanism is threaded off operating mechanism, and circuit breaker trip is realized the protection to circuit breaker place circuit and load.
The magnetic tripping mechanism comprises armature, yoke, spring, support; Existing armature is usually with the both sides bending; Offer through hole symmetrically at two bending parts, the top is provided with upwardly extending brake bar, and support both sides symmetry is offered through hole; The support both sides are simultaneously with armature two bending part envelopes; And the through hole on armature two bending parts all with the support both sides on through hole corresponding, join armature is compatible with support through the through hole offered on the through hole offered on the support both sides and the armature bending part respectively thereby be convenient to bolster, make armature to be bearing on the support rotatably around bolster.In the electromagnetic trip mechanism of this structure, the armature both sides need bending, also need offer through hole on it, are not easy to the processes of armature; Because the through hole on the support both sides will correspondingly with the through hole on armature two bending parts pass to hold bolster; Be unfavorable for practicing thrift part; Both assemblings are loaded down with trivial details, time-consuming; The whole electromagnetic trip of this structural requirement mechanism will accomplish the assembling of armature and support before the pedestal of packing into simultaneously, otherwise can bring obstruction to the installation of other devices such as bimetallic element, operating mechanism etc.; When circuit was short-circuited, armature rotated, and its brake bar hits the draw bar in the pneumatic operating mechanism; Armature position is corresponding with draw bar,, has stipulated the position of electromagnetic trip mechanism in whole circuit breaker that is; So the position of armature, shape, size can exert an influence to shape, size and the mounting means of circuit breaker miscellaneous part, thus; The volume of whole circuit breaker be will have influence on, the densification assembling of circuit breaker inner member and the miniaturization of circuit breaker itself are difficult to realize.
Summary of the invention
The purpose of this invention is to provide a kind of compact conformation, the more reliable and more stable electromagnetic trip mechanism that is used for low-voltage circuit breaker of dropout performance.
The technical scheme that realizes the object of the invention is: a kind of electromagnetic trip mechanism that is used for low-voltage circuit breaker comprises support, rotates the armature that is arranged on the said support, places the yoke between support and the armature and be used to the back-moving spring that armature provides reseting elasticity; Said support comprises two side and the connecting wall that is connected the two side, is equipped with a pivot groove on each sidewall; Said armature comprises actuation plate, outstanding two pivot boss and be positioned at the release link at actuation plate top from edge, the actuation plate left and right sides; Each pivot boss of said armature is arranged in the corresponding pivot groove on the rack side wall; Its architectural feature is: also comprise a bearing pin that is arranged on the support; Said back-moving spring is a torsion spring that is set on this bearing pin, and an end of said torsion spring is hooked on the armature, and the other end and support relative fixed are provided with.
In the technique scheme, respectively be provided with an axis hole on the said support two side, said bearing pin passes this two axis hole.
In the technique scheme, an end of said torsion spring is hooked on the armature release link, and the other end is hooked on the support.
In the technique scheme, also comprise one with the static relatively setting of rack side wall collude the extension regulating part; Said colluding hung regulating part and is provided with a plurality of hanging grooves that collude, and an end of said torsion spring is hooked on the armature release link, and the other end is hooked on this and colludes and hang on the regulating part corresponding one and collude in the hanging groove.
In the technique scheme, said colluding also is provided with a trepanning and a location boss on the extension regulating part, and said sidewall is provided with the location hole that matches with this positioning boss; The said extension regulating part that colludes is set on the said bearing pin through its trepanning, and its positioning boss is embedded in the said location hole.
In the technique scheme, said release link is provided with a plurality of extension breach that collude, and an end of said torsion spring is hooked on the release link corresponding one and colludes and hang in the breach, and the other end is hooked on the support.
In the technique scheme, said support is provided with a plurality of hanging holes that collude, and an end of said torsion spring is hooked on the release link, and the other end is hooked on the support corresponding one and colludes in the hanging hole.
The present invention has positive effect: (1) the present invention adopts torsion spring as the back-moving spring that reseting elasticity is provided for armature, and it is comparatively compact that this kind structure has structure, the advantage that the dropout performance is comparatively reliable and stable.
(2) the present invention colludes the extension regulating part through on bearing pin, being provided with, thereby makes the elastic force size of torsion spring be easy to regulate, and can satisfy the different low-voltage circuit breakers that require of threading off and use, and has the wider advantage of applicability.
Description of drawings
Fig. 1 is a kind of perspective view of first kind of structure of the present invention;
Fig. 2 be electromagnetic trip shown in Figure 1 mechanism from another viewed the time a kind of perspective view;
Fig. 3 is a kind of perspective view of electromagnetic trip mechanism shown in Figure 1 after removing support and yoke;
Fig. 4 is a kind of explosive view of electromagnetic trip shown in Figure 3 mechanism;
Fig. 5 is a kind of perspective view of second kind of structure of the present invention;
Fig. 6 is a kind of perspective view of the third structure of the present invention;
Fig. 7 is a kind of perspective view of the 4th kind of structure of the present invention.
Mark shown in the accompanying drawing: support 1, sidewall 11, connecting wall 12, pivot groove 13, axis hole 14, location hole 15; Collude hanging hole 16, convex shape breach 17, armature 2, actuation plate 21, pivot boss 22; Release link 23 is colluded and is hung breach 231, positive stop lug boss 24, yoke 3, back-moving spring 4; Bearing pin 5 colludes and hangs regulating part 6, colludes hanging groove 61, trepanning 62, positioning boss 63.
Embodiment
(embodiment 1)
Fig. 1 to Fig. 4 has shown a kind of embodiment of the present invention, and wherein Fig. 1 is a kind of perspective view of first kind of structure of the present invention; Fig. 2 be electromagnetic trip shown in Figure 1 mechanism from another viewed the time a kind of perspective view; Fig. 3 is a kind of perspective view of electromagnetic trip mechanism shown in Figure 1 after removing support and yoke; Fig. 4 is a kind of explosive view of electromagnetic trip shown in Figure 3 mechanism.
Present embodiment is a kind of electromagnetic trip mechanism that is used for low-pressure plastic shell circuit breaker; See Fig. 1 to shown in Figure 4, comprise support 1, rotate the armature 2 that is arranged on the said support 1, place yoke 3 between support 1 and the armature 2, be used to armature 2 back-moving spring 4 of reseting elasticity be provided, be arranged on bearing pin 5 and one and the static relatively setting of support 1 sidewall 11 on the support 1 collude extension regulating part 6; Said support 1 comprises two side 11 and the connecting wall that is connected two side 11 12, is equipped with a pivot groove 13 on each sidewall 11; Said armature 2 comprises actuation plate 21, outstanding two pivot boss 22 and be positioned at the release link 23 at actuation plate 21 tops from edge, actuation plate 21 left and right sides; Each pivot boss 22 of said armature 2 is arranged in the corresponding pivot groove 13 on support 1 sidewall 11;
Said support respectively is provided with an axis hole 14 on 1 two side 11, and said bearing pin 5 passes this two axis hole 14.
Said colluding hung regulating part 6 and is provided with a trepanning 62, location boss 63 and a plurality of hanging groove 61 that colludes, and said sidewall 11 is provided with the location hole 15 that matches with this positioning boss 63; Said colluding hung regulating part 6 and is set on the said bearing pin 5 through its trepanning, and its positioning boss 63 is embedded in the said location hole 15, thereby making to collude hangs regulating part 6 and the static relatively setting of support 1.
One end of said torsion spring is hooked on armature 2 release links 23, and the other end is hooked on this and colludes and hang on the regulating part 6 corresponding one and collude in the hanging groove 61; Through being hooked on different colluding on the hanging groove 61, adjust the reseting elasticity of spring, thereby regulate the required electromagnetic force of threading off, make promptly that also present embodiment can be used in the low-voltage circuit breaker of multiple different dropout performance requirements.
Present embodiment also is provided with a convex shape breach 17 on sidewall; Also below pivot boss 22, be provided with positive stop lug boss 24 on the said armature 2; This positive stop lug boss 24 is arranged in said convex shape breach 17 and can moves back and forth at breach, so this convex shape breach 17 has the function of spacing armature 2 anglecs of rotation.
Present embodiment has positive effect: (1) present embodiment adopts torsion spring as the back-moving spring that reseting elasticity is provided for armature, and it is comparatively compact that this kind structure has structure, the advantage that the dropout performance is comparatively reliable and stable.
(2) present embodiment colludes the extension regulating part through on bearing pin, being provided with, thereby makes the elastic force size of torsion spring be easy to regulate, and can satisfy the different low-voltage circuit breakers that require of threading off and use, and has the wider advantage of applicability.
(embodiment 2)
Fig. 5 is a kind of perspective view of second kind of structure of the present invention, has shown second kind of embodiment of the present invention.
Present embodiment and embodiment 1 are basic identical, and difference is: said release link 23 is provided with a plurality of colluding and hangs breach 231, and an end of said torsion spring is hooked on the release link 23 corresponding one and colludes and hang in the breach 231, and the other end is hooked on the support 1.
Present embodiment also can be hung the position through regulating colluding of torsion spring, the reseting elasticity of adjustment spring, and then the required electromagnetic force of adjustment dropout.
(embodiment 3)
Fig. 6 is a kind of perspective view of the third structure of the present invention, has shown the third embodiment of the present invention.
Present embodiment and embodiment 1 are basic identical, and difference is: present embodiment no longer is provided with and colludes the extension regulating part, colludes hanging hole 16 but on rack side wall 11, directly be provided with one, and the other end of said torsion spring directly is hooked on this and colludes in the hanging hole 16.
The present embodiment structure is comparatively simplified, and colludes the extension regulating part owing to cancelled, and makes assembly manipulation comparatively simplify, and cost also is minimized.
(embodiment 4)
Fig. 7 is a kind of perspective view of the 4th kind of structure of the present invention, has shown the 4th kind of embodiment of the present invention.
Present embodiment and embodiment 3 are basic identical; Difference is: present embodiment is provided with a plurality of hanging holes 16 that collude on rack side wall 11; Through being hooked on the other end of torsion spring different colluding in the hanging hole 16, the reseting elasticity of adjustment spring, and then the required electromagnetic force of adjustment dropout.
Obviously, the above embodiment of the present invention only be for clearly the present invention is described and is done for example, and be not to be qualification to execution mode of the present invention.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all execution modes.And these belong to conspicuous variation or the change that connotation of the present invention extends out and still belong to protection scope of the present invention.
Claims (7)
1. electromagnetic trip mechanism that is used for low-voltage circuit breaker comprises support (1), rotates the armature (2) that is arranged on the said support (1), places the yoke (3) between support (1) and the armature (2) and be used to the back-moving spring (4) that armature (2) provides reseting elasticity; Said support (1) comprises two side (11) and the connecting wall that is connected two side (11) (12), is equipped with a pivot groove (13) on each sidewall (11); Said armature (2) comprises actuation plate (21), outstanding two pivot boss (22) and be positioned at the release link (23) at actuation plate (21) top from actuation plate (21) edge, the left and right sides; Each pivot boss (22) of said armature (2) is arranged in the corresponding pivot groove (13) on support (1) sidewall (11); It is characterized in that:
Also comprise a bearing pin (5) that is arranged on the support (1); Said back-moving spring is a torsion spring that is set on this bearing pin (5), and an end of said torsion spring is hooked on the armature (2), the other end and support (1) relative fixed setting.
2. the electromagnetic trip mechanism that is used for low-voltage circuit breaker according to claim 1 is characterized in that: respectively be provided with an axis hole (14) on said support (1) two side (11), said bearing pin (5) passes this two axis hole (14).
3. the electromagnetic trip mechanism that is used for low-voltage circuit breaker according to claim 2 is characterized in that: an end of said torsion spring is hooked on armature (2) release link (23), and the other end is hooked on the support (1).
4. the electromagnetic trip mechanism that is used for low-voltage circuit breaker according to claim 2 is characterized in that: comprise that also one is hung regulating part (6) with colluding of the static relatively setting of support (1) sidewall (11); Said colluding hung regulating part (6) and is provided with a plurality of hanging grooves (61) that collude, and an end of said torsion spring is hooked on armature (2) release link (23), and the other end is hooked on this and colludes and hang regulating part (6) and go up corresponding one and collude in the hanging groove (61).
5. the electromagnetic trip mechanism that is used for low-voltage circuit breaker according to claim 4; It is characterized in that: said colluding also is provided with a trepanning (62) and a location boss (63) on the extension regulating part (6), said sidewall (11) is provided with the location hole (15) that matches with this positioning boss (63); The said extension regulating part (6) that colludes is set on the said bearing pin (5) through its trepanning, and its positioning boss (63) is embedded in the said location hole (15).
6. the electromagnetic trip mechanism that is used for low-voltage circuit breaker according to claim 2; It is characterized in that: said release link (23) is provided with a plurality of colluding and hangs breach (231); The release link (23) that is hooked on one end of said torsion spring goes up corresponding one and colludes in the extension breach (231), and the other end is hooked on the support (1).
7. the electromagnetic trip mechanism that is used for low-voltage circuit breaker according to claim 2; It is characterized in that: said support (1) is provided with a plurality of hanging holes (16) that collude; One end of said torsion spring is hooked on the release link (23), and the other end is hooked on last corresponding one of support (1) and colludes in the hanging hole (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210245292.6A CN102779698B (en) | 2012-07-16 | 2012-07-16 | For the electromagnetic release mechanism of low-voltage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210245292.6A CN102779698B (en) | 2012-07-16 | 2012-07-16 | For the electromagnetic release mechanism of low-voltage circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102779698A true CN102779698A (en) | 2012-11-14 |
| CN102779698B CN102779698B (en) | 2015-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210245292.6A Expired - Fee Related CN102779698B (en) | 2012-07-16 | 2012-07-16 | For the electromagnetic release mechanism of low-voltage circuit breaker |
Country Status (1)
| Country | Link |
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| CN (1) | CN102779698B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015043424A1 (en) * | 2013-09-24 | 2015-04-02 | 上海电科电器科技有限公司 | Adjustable electromagnetic release |
| CN106661748B (en) * | 2014-07-08 | 2018-08-17 | 阿瑟索利亚斯Y服务创新股份公司 | The hanging rod of anode for no lug |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6225882B1 (en) * | 1999-08-27 | 2001-05-01 | Eaton Corporation | Circuit interrupter with an improved magnetically-induced automatic trip assembly |
| CN201514909U (en) * | 2009-10-23 | 2010-06-23 | 江苏辉能电气有限公司 | Electromagnetic tripping mechanism of low-voltage circuit breaker |
| CN201689850U (en) * | 2010-05-20 | 2010-12-29 | 嘉灵开关制造(中山)有限公司 | Hydraulic electromagnetic circuit breaker with accurate adjustment function |
| CN202076201U (en) * | 2011-05-18 | 2011-12-14 | 常熟开关制造有限公司(原常熟开关厂） | Electromagnetic tripping mechanism of circuit breaker |
| CN202678258U (en) * | 2012-07-16 | 2013-01-16 | 刘开成 | Electromagnetic tripping mechanism for low-voltage circuit breaker |
-
2012
- 2012-07-16 CN CN201210245292.6A patent/CN102779698B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6225882B1 (en) * | 1999-08-27 | 2001-05-01 | Eaton Corporation | Circuit interrupter with an improved magnetically-induced automatic trip assembly |
| CN201514909U (en) * | 2009-10-23 | 2010-06-23 | 江苏辉能电气有限公司 | Electromagnetic tripping mechanism of low-voltage circuit breaker |
| CN201689850U (en) * | 2010-05-20 | 2010-12-29 | 嘉灵开关制造(中山)有限公司 | Hydraulic electromagnetic circuit breaker with accurate adjustment function |
| CN202076201U (en) * | 2011-05-18 | 2011-12-14 | 常熟开关制造有限公司(原常熟开关厂） | Electromagnetic tripping mechanism of circuit breaker |
| CN202678258U (en) * | 2012-07-16 | 2013-01-16 | 刘开成 | Electromagnetic tripping mechanism for low-voltage circuit breaker |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015043424A1 (en) * | 2013-09-24 | 2015-04-02 | 上海电科电器科技有限公司 | Adjustable electromagnetic release |
| US10008354B2 (en) | 2013-09-24 | 2018-06-26 | Seari Electric Technology Co., Ltd. | Adjustable electromagnetic release |
| CN106661748B (en) * | 2014-07-08 | 2018-08-17 | 阿瑟索利亚斯Y服务创新股份公司 | The hanging rod of anode for no lug |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102779698B (en) | 2015-09-23 |
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Owner name: CHUZHOU PINZHIDA ELECTRIC APPLIANCE TECHNOLOGY CO. Free format text: FORMER OWNER: LIU KAICHENG Effective date: 20130719 |
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Effective date of registration: 20190311 Address after: 239000 Suchu Modern Industrial Park, Chuzhou City, Anhui Province Patentee after: Anhui Kaicheng Electrical Appliance Co. Ltd. Address before: 239000 No. 12, No. 555 Huayuan East Road, Chuzhou, Anhui. Patentee before: Chuzhou Pinzhida Electric Appliance Technology Co., Ltd. |
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