CN108511290B - Tripping mechanism of miniature circuit breaker - Google Patents
Tripping mechanism of miniature circuit breaker Download PDFInfo
- Publication number
- CN108511290B CN108511290B CN201810548941.7A CN201810548941A CN108511290B CN 108511290 B CN108511290 B CN 108511290B CN 201810548941 A CN201810548941 A CN 201810548941A CN 108511290 B CN108511290 B CN 108511290B
- Authority
- CN
- China
- Prior art keywords
- plate
- suction plate
- contact plate
- circuit breaker
- armature
- 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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Links
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003068 static 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
Abstract
The invention relates to a tripping mechanism of a miniature circuit breaker, which comprises a contact plate, a release, an armature and a suction plate, wherein the armature is arranged on the outer side face of the contact plate in parallel, the suction plate is arranged on the inner side of the contact plate, one end of the suction plate is hinged to the armature, a push plate is formed on the side face of the suction plate towards the direction of the armature, a spring is arranged between the suction plate and the contact plate, the release is arranged on one side of the suction plate, and a push rod of the release is propped against the suction plate. The invention adopts the suction plate to realize short-circuit protection and the tripper to prop against the suction plate to realize electronic control, the suction plate provides basic short-circuit protection for the circuit breaker, and the tripper realizes intelligent control through electronic control.
Description
Technical Field
The invention relates to a tripping mechanism of a miniature circuit breaker.
Background
The tripping mechanism of the miniature circuit breaker is a mechanism for controlling the breaking of the circuit breaker through an electric signal, the existing circuit breaker generally adopts an electromagnetic tripping device for short-circuit protection, and the electromagnetic tripping device has single function and can only correspondingly short-circuit overcurrent protection and cannot meet the increasingly abundant intelligent electric control protection requirements at present.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a tripping mechanism of a miniature circuit breaker with comprehensive functions and simple structure.
In order to achieve the purpose, the invention adopts a tripping mechanism of a miniature circuit breaker, which comprises a contact plate, a release, an armature and a suction plate, wherein the armature is arranged on the outer side surface of the contact plate in parallel, the suction plate is arranged on the inner side of the contact plate, one end of the suction plate is hinged on the armature, a push plate is formed on the side surface of the suction plate towards the direction of the armature, a spring is arranged between the suction plate and the contact plate, the release is arranged on one side of the suction plate, and a push rod of the release is propped against the suction plate.
The invention has the beneficial effects that the tripping mechanism of the miniature circuit breaker adopts the suction plate to realize short-circuit protection and the tripper props against the suction plate to realize electronic control, the suction plate provides basic short-circuit protection for the circuit breaker, and the tripper realizes intelligent control through electronic control.
The ejector rod of the release is specifically arranged to be propped against the suction plate in a direction perpendicular to the armature.
The invention is characterized in that hinge seats are formed by extending the two sides of the armature towards the inner sides of the contact plates, hinge holes are formed in the hinge seats, one end of the suction plate extends towards the two sides to form hinge shafts, the hinge shafts are arranged in the hinge holes in a penetrating mode to hinge, a spring groove is formed in the suction plate in one hinge shaft, the spring is a torsion spring, the center of the torsion spring is sleeved on the hinge shaft with the spring groove, and two ends of the torsion spring are respectively propped against the suction plate and the contact plate.
The invention is specifically characterized in that the contact plate is longitudinally arranged, and the lower end of the contact plate extends forwards and bends upwards to form a static contact.
The invention is characterized in that the upper end of the contact plate is inwards provided with a transverse upper contact plate, the tail end of the upper contact plate is downwards bent to enclose the release, and the lower end of the bent section is transversely provided with a terminal plate. The contact plate surrounds the release and the space utilization is full.
The invention is specifically arranged that the front end of the push plate is bent inwards to form a push plate surface.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is a front view of an embodiment of the present invention.
Fig. 3 is an assembled side view of an armature and a suction plate of an embodiment of the invention.
Fig. 4 is a schematic diagram of the assembly of an armature and a suction plate in accordance with an embodiment of the invention.
Detailed Description
As shown in fig. 1-4, the embodiment of the invention is a tripping mechanism of a miniature circuit breaker, which comprises a contact plate 1, a release 2, an armature 3 and a suction plate 4, wherein the armature 3 is arranged on the outer side surface of the contact plate 1 in parallel, two sides of the armature 3 extend towards the inner side of the contact plate 1 to form a hinge seat 31, a hinge hole 32 is formed in the hinge seat 31, one end of the suction plate 4 extends towards two sides to form a hinge shaft 41, the hinge shaft 41 is penetrated and hinged in the hinge hole 32, a spring groove 42 is formed on the suction plate 4 in one hinge shaft 41, a torsion spring 5 is arranged between the suction plate 4 and the contact plate 1, the center of the torsion spring 5 is sleeved on the hinge shaft 41 with the spring groove 42, two ends of the torsion spring 5 respectively prop against the suction plate 4 and the contact plate 1, the side surface of the suction plate 4 faces towards the direction of the armature 3 to form a push plate 43, the front end of the push plate 43 bends inwards to form a push plate surface 44, the release 2 is arranged on one side of the suction plate 4, the push plate 21 of the release 2 pushes against the suction plate 4 in the direction perpendicular to the armature 3, the lower end of the contact plate 1 longitudinally extends forwards to form a spring groove 42, a spring groove 42 is formed on the suction plate 1, the upper end of the contact plate 6 extends forwards to form a bending end, the upper end of the contact plate 1 forms a bending section 6, and a bent end forms a bent end 12 and a bent end 12 is inserted into the lower end 12 of the contact section 12 in the contact section and is formed in the bent section 12 and is inserted into the lower end 12 of the contact section 12.
The above examples are preferred embodiments of the present invention, and other obvious modifications are within the scope of the present invention.
Claims (5)
1. The utility model provides a tripping device of miniature circuit breaker which characterized in that: the tripping device comprises a contact plate, a release, armatures and a suction plate, wherein the armatures are arranged on the outer side face of the contact plate in parallel, the suction plate is arranged on the inner side of the contact plate and one end of the suction plate is hinged to the armature, a push plate is formed on the side face of the suction plate towards the armature direction, a spring is arranged between the suction plate and the contact plate, the release is arranged on one side of the suction plate, a push rod of the release is pushed onto the suction plate, the two sides of the armature extend towards the inner side of the contact plate to form a hinging seat, a hinging hole is formed in the hinging seat, one end of the suction plate extends towards the two sides to form a hinging shaft, the hinging shaft penetrates through the hinging hole to be hinged, a spring groove is formed in the suction plate inside one hinging shaft, the spring is a torsion spring, the center of the torsion spring is sleeved on the hinging shaft with the spring groove, and two ends of the torsion spring are respectively pushed onto the suction plate and the contact plate.
2. The trip mechanism of a miniature circuit breaker of claim 1, wherein: the ejector rod of the release is propped against the suction plate in a direction perpendicular to the armature.
3. Trip mechanism of a miniature circuit breaker according to claim 1 or 2, characterized in that: the contact plate is longitudinally arranged, and the lower end of the contact plate extends forwards and is bent upwards to form a fixed contact.
4. The trip mechanism of a miniature circuit breaker of claim 3, wherein: the upper end of the contact plate forms a transverse upper contact plate inwards, the tail end of the upper contact plate is bent downwards to enclose the release, and the lower end of the bent section is transversely provided with a terminal plate.
5. Trip mechanism of a miniature circuit breaker according to claim 1 or 2, characterized in that: the front end of the push plate is bent inwards to form a push plate surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810548941.7A CN108511290B (en) | 2018-05-31 | 2018-05-31 | Tripping mechanism of miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810548941.7A CN108511290B (en) | 2018-05-31 | 2018-05-31 | Tripping mechanism of miniature circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108511290A CN108511290A (en) | 2018-09-07 |
| CN108511290B true CN108511290B (en) | 2024-04-26 |
Family
ID=63402316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810548941.7A Active CN108511290B (en) | 2018-05-31 | 2018-05-31 | Tripping mechanism of miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108511290B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0569652A1 (en) * | 1992-05-13 | 1993-11-18 | Hager Electro S.A. | Magnetic trip mechanism for circuit breaker, equivalent sub-assembly and circuit breakers incorporating them |
| CN1340838A (en) * | 2000-01-31 | 2002-03-20 | 尹顿公司 | Circuit treaker for magnetic induction type automatic trip component with realized spring clip |
| CN1459120A (en) * | 2001-03-20 | 2003-11-26 | 莫勒自动系统公司 | Yoke comprising single-element fixed contact carrier |
| CN201017832Y (en) * | 2006-12-28 | 2008-02-06 | 人民电器集团有限公司 | Magnetic flux converter |
| 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 |
| CN201663127U (en) * | 2009-12-15 | 2010-12-01 | 浙江森泰电器厂 | Detachable electromagnetic shunt excitation tripping device |
| CN204315494U (en) * | 2015-01-21 | 2015-05-06 | 温州高能电气有限公司 | A kind of miniature circuit breaker |
| CN105448610A (en) * | 2015-12-10 | 2016-03-30 | 宋和明 | Tripping execution device |
| CN205789817U (en) * | 2016-06-19 | 2016-12-07 | 浙江德菱科技股份有限公司 | A kind of breaker of plastic casing |
| CN205943996U (en) * | 2016-08-19 | 2017-02-08 | 温州市新蓝天电器有限公司 | Horizontal formula oil cup 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 |
| CN107833807A (en) * | 2017-11-21 | 2018-03-23 | 浙江正泰电器股份有限公司 | Electromagnetic tripping apparatus |
| CN208189500U (en) * | 2018-05-31 | 2018-12-04 | 海格科技股份有限公司 | The tripping mechanism of miniature circuit breaker |
-
2018
- 2018-05-31 CN CN201810548941.7A patent/CN108511290B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0569652A1 (en) * | 1992-05-13 | 1993-11-18 | Hager Electro S.A. | Magnetic trip mechanism for circuit breaker, equivalent sub-assembly and circuit breakers incorporating them |
| CN1340838A (en) * | 2000-01-31 | 2002-03-20 | 尹顿公司 | Circuit treaker for magnetic induction type automatic trip component with realized spring clip |
| CN1459120A (en) * | 2001-03-20 | 2003-11-26 | 莫勒自动系统公司 | Yoke comprising single-element fixed contact carrier |
| CN201017832Y (en) * | 2006-12-28 | 2008-02-06 | 人民电器集团有限公司 | Magnetic flux converter |
| CN201663127U (en) * | 2009-12-15 | 2010-12-01 | 浙江森泰电器厂 | Detachable electromagnetic shunt excitation tripping device |
| 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 |
| CN204315494U (en) * | 2015-01-21 | 2015-05-06 | 温州高能电气有限公司 | A kind of miniature circuit breaker |
| CN105448610A (en) * | 2015-12-10 | 2016-03-30 | 宋和明 | Tripping execution device |
| CN205789817U (en) * | 2016-06-19 | 2016-12-07 | 浙江德菱科技股份有限公司 | A kind of breaker of plastic casing |
| CN205943996U (en) * | 2016-08-19 | 2017-02-08 | 温州市新蓝天电器有限公司 | Horizontal formula oil cup 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 |
| CN107833807A (en) * | 2017-11-21 | 2018-03-23 | 浙江正泰电器股份有限公司 | Electromagnetic tripping apparatus |
| CN208189500U (en) * | 2018-05-31 | 2018-12-04 | 海格科技股份有限公司 | The tripping mechanism of miniature circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108511290A (en) | 2018-09-07 |
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