CN108288572B - Circuit breaker of integrated latch tripping mechanism - Google Patents
Circuit breaker of integrated latch tripping mechanism Download PDFInfo
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- CN108288572B CN108288572B CN201711453003.0A CN201711453003A CN108288572B CN 108288572 B CN108288572 B CN 108288572B CN 201711453003 A CN201711453003 A CN 201711453003A CN 108288572 B CN108288572 B CN 108288572B
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- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 27
- 230000003068 static effect Effects 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 5
- 238000004880 explosion Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 101001121408 Homo sapiens L-amino-acid oxidase Proteins 0.000 description 1
- 102100026388 L-amino-acid oxidase Human genes 0.000 description 1
- 101100012902 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) FIG2 gene Proteins 0.000 description 1
- 101100233916 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) KAR5 gene Proteins 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- 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
- H01H71/40—Combined electrothermal and electromagnetic mechanisms
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- 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
- H01H71/2472—Electromagnetic mechanisms with rotatable armatures
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- Electromagnetism (AREA)
- Breakers (AREA)
Abstract
本发明公开了一体式锁扣脱扣机构的断路器，其包括壳体，壳体中设有操作机构、锁扣架、脱扣机构、动触头、静触头、灭弧室、双金属片、电磁感应元件以及衔铁，双金属片穿过电磁感应元件且对应衔铁一侧呈开口设置，锁扣架分体连接有锁扣板，锁扣板包括抵接部、铰接部和本体部，抵接部和本体部分别位于铰接部的上下两侧，锁扣架上设有与铰接部的内凹弧形所形成的凹腔对应的轴孔，轴孔穿设有连接轴，锁扣板、锁扣架经连接轴铰接安装于壳体上，本体部下端固接有衔铁。本发明的衔铁与脱扣板一体设置，脱扣板与锁扣架分体连接，衔铁受到磁轭感应后带动脱扣板同时转动使得脱扣机构发生脱扣动作，该结构具有脱扣更快更准确、结构更简单等优点。
The present invention discloses a circuit breaker with an integrated locking and tripping mechanism, which includes a housing, an operating mechanism, a locking frame, a tripping mechanism, a moving contact, a static contact, an arc extinguishing chamber, a bimetallic strip, an electromagnetic induction element and an armature are arranged in the housing, the bimetallic strip passes through the electromagnetic induction element and is arranged with an opening on one side corresponding to the armature, the locking frame is separately connected with a locking plate, the locking plate includes an abutting portion, a hinged portion and a main body portion, the abutting portion and the main body portion are respectively located on the upper and lower sides of the hinged portion, the locking frame is provided with an axial hole corresponding to the concave cavity formed by the inner concave arc of the hinged portion, the axial hole is penetrated with a connecting shaft, the locking plate and the locking frame are hingedly installed on the housing via the connecting shaft, and the lower end of the main body portion is fixed with an armature. The armature of the present invention is arranged integrally with the tripping plate, the tripping plate is separately connected with the locking frame, the armature is induced by the magnetic yoke and drives the tripping plate to rotate at the same time so that the tripping mechanism occurs a tripping action, and the structure has the advantages of faster and more accurate tripping and simpler structure.
Description
技术领域Technical Field
本发明属于断路器技术领域，尤其是一体式锁扣脱扣机构的断路器。The invention belongs to the technical field of circuit breakers, in particular to a circuit breaker with an integrated locking and tripping mechanism.
背景技术Background Art
现有技术中的断路器如专利号为CN201420545956.5的专利文件，其公开了一种新型瞬动脱扣的断路器，该技术方案包括壳体，壳体内设置有操作机构、锁扣架、脱扣机构、动触头、静触头、灭弧室以及双金属片，壳体内的两侧还分别设置有接线柱，所述锁扣架铰接设置在壳体内，所述锁扣架包括与操作机构相配合的锁扣部以及与脱扣机构相配合的动作部，所述脱扣机构包括磁轭以及衔铁，所述磁轭与双金属片相配合设置，所述衔铁包括连接端与摆动端，所述衔铁的连接端与所述磁轭铰接连接，所述衔铁还设置有对衔铁施以作用力的弹性件，所述作用力使衔铁的摆动端具有与磁轭相离的趋势，所述锁扣架的动作部置于所述磁轭与衔铁之间并与所述衔铁的摆动端相配合设置。上述结构的断路器取消了传统微型断路器的电磁脱扣器，使得微型断路器结构更加简单，并降低了生产成本，并且有效减少了内部体积，便可增大灭弧室的体积，从而提高了分断能力与额定电流。本发明提供了一种锁扣板与衔铁一体成型且锁扣板与锁扣架分体连接的断路器。The circuit breaker in the prior art is such as the patent document with patent number CN201420545956.5, which discloses a novel instantaneous tripping circuit breaker. The technical solution includes a shell, in which an operating mechanism, a locking frame, a tripping mechanism, a moving contact, a static contact, an arc extinguishing chamber and a bimetallic strip are arranged. Terminals are also arranged on both sides of the shell. The locking frame is hingedly arranged in the shell. The locking frame includes a locking portion cooperating with the operating mechanism and an action portion cooperating with the tripping mechanism. The tripping mechanism includes a yoke and an armature. The yoke is arranged in cooperation with the bimetallic strip. The armature includes a connecting end and a swinging end. The connecting end of the armature is hingedly connected to the yoke. The armature is also provided with an elastic member that applies a force to the armature. The force makes the swinging end of the armature have a tendency to separate from the yoke. The action portion of the locking frame is placed between the yoke and the armature and is arranged in cooperation with the swinging end of the armature. The circuit breaker of the above structure cancels the electromagnetic release of the traditional miniature circuit breaker, making the structure of the miniature circuit breaker simpler, reducing the production cost, and effectively reducing the internal volume, thereby increasing the volume of the arc extinguishing chamber, thereby improving the breaking capacity and rated current. The present invention provides a circuit breaker in which a locking plate and an armature are integrally formed and the locking plate and a locking frame are separately connected.
发明内容Summary of the invention
为了克服现有技术的不足，本发明提供了一体式锁扣脱扣机构的断路器，该断路器的衔铁与脱扣板一体设置，脱扣板则与锁扣架分体连接，衔铁受到磁轭感应后带动脱扣板同时转动使得脱扣机构发生脱扣动作，该结构具有脱扣更快更准确、结构更简单等优点。In order to overcome the shortcomings of the prior art, the present invention provides a circuit breaker with an integrated lock and release mechanism. The armature of the circuit breaker is integrally arranged with a release plate, and the release plate is separately connected to the lock frame. After the armature is induced by the magnetic yoke, it drives the release plate to rotate at the same time, so that the release mechanism is tripped. This structure has the advantages of faster and more accurate tripping and simpler structure.
为了实现上述目的，本发明采用的技术方案是：一体式锁扣脱扣机构的断路器，包括壳体，壳体中设有操作机构、锁扣架、脱扣机构、动触头、静触头、灭弧室以及双金属片，壳体内的两侧还分别设置有接线柱，锁扣架铰接设置在壳体内，脱扣机构包括电磁感应元件以及衔铁，电磁感应元件与双金属片相配合设置，双金属片穿过电磁感应元件且电磁感应元件对应衔铁一侧呈开口设置，其特征在于：所述锁扣架分体连接有锁扣板，锁扣架上设有可供锁扣板容置的安装槽，锁扣板包括抵接部、铰接部和本体部，抵接部和本体部分别位于铰接部的上下两侧，铰接部呈内凹弧形的片状结构连接于抵接部和本体部之间，锁扣架上设有与铰接部的内凹弧形所形成的凹腔对应的轴孔，轴孔穿设有连接轴，锁扣板、锁扣架经连接轴铰接安装于壳体上，所述本体部下端朝电磁感应元件方向倾斜延伸有斜坡片，该斜坡片固接有衔铁，衔铁与该斜坡片之间形成折角结构，衔铁由上至下朝背离电磁感应元件方向倾斜延伸。In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a circuit breaker with an integrated lock and release mechanism, including a shell, an operating mechanism, a lock frame, a release mechanism, a moving contact, a static contact, an arc extinguishing chamber and a bimetallic strip are arranged in the shell, and terminals are arranged on both sides of the shell, the lock frame is hingedly arranged in the shell, and the release mechanism includes an electromagnetic induction element and an armature, the electromagnetic induction element is arranged in coordination with the bimetallic strip, the bimetallic strip passes through the electromagnetic induction element and the electromagnetic induction element is arranged with an opening on one side corresponding to the armature, and is characterized in that: the lock frame is split and connected with a lock plate, and the lock frame is provided with a lock for the lock The plate is accommodated in an installation groove, the locking plate includes an abutment portion, a hinge portion and a main body portion, the abutment portion and the main body portion are respectively located on the upper and lower sides of the hinge portion, the hinge portion is a sheet-like structure with an inwardly concave arc shape connected between the abutment portion and the main body portion, the locking frame is provided with an axial hole corresponding to the concave cavity formed by the inwardly concave arc shape of the hinge portion, the axial hole is penetrated by a connecting shaft, the locking plate and the locking frame are hingedly installed on the shell via the connecting shaft, the lower end of the main body portion is obliquely extended with a ramp piece in the direction of the electromagnetic induction element, the ramp piece is fixed with an armature, an angle structure is formed between the armature and the ramp piece, and the armature extends obliquely from top to bottom in the direction away from the electromagnetic induction element.
进一步的，所述衔铁呈片体结构，衔铁宽度大于斜坡片宽度，且斜坡片与衔铁连接边缘呈倒圆角结构设置。Furthermore, the armature is in a sheet structure, the armature width is greater than the width of the ramp sheet, and the connecting edge of the ramp sheet and the armature is arranged in a rounded structure.
进一步的，所述电磁感应元件为磁轭，磁轭上端具有朝向衔铁的开口结构，磁轭下部包括双金属片安装部和磁轭安装部，双金属片安装部由磁轭向下延伸形成，双金属片通过点焊焊接固定于双金属片安装部上，磁轭安装部则由磁轭经折边向背离衔铁方向一体延伸形成L型结构，该L形结构嵌设于壳体内壁上，折边分布于双金属片安装部的两侧。Furthermore, the electromagnetic induction element is a yoke, the upper end of the yoke has an opening structure facing the armature, the lower part of the yoke includes a bimetallic mounting portion and a yoke mounting portion, the bimetallic mounting portion is formed by extending downward from the yoke, the bimetallic strip is fixed to the bimetallic mounting portion by spot welding, and the yoke mounting portion is formed by the yoke extending integrally through the folded edge in the direction away from the armature to form an L-shaped structure, the L-shaped structure is embedded in the inner wall of the shell, and the folded edges are distributed on both sides of the bimetallic mounting portion.
进一步的，所述电磁感应元件为磁轭，磁轭上端具有朝向衔铁的开口结构，磁轭下部包括双金属片安装部和磁轭安装部，双金属片安装部由磁轭向下延伸形成，双金属片通过点焊焊接固定于双金属片安装部上，磁轭安装部则由磁轭经折边向背离衔铁方向一体延伸形成L型结构，该L形结构嵌设于壳体内壁上，折边分布于双金属片安装部的两侧。Furthermore, the electromagnetic induction element is a yoke, the upper end of the yoke has an opening structure facing the armature, the lower part of the yoke includes a bimetallic mounting portion and a yoke mounting portion, the bimetallic mounting portion is formed by extending downward from the yoke, the bimetallic strip is fixed to the bimetallic mounting portion by spot welding, and the yoke mounting portion is formed by the yoke extending integrally through the folded edge in the direction away from the armature to form an L-shaped structure, the L-shaped structure is embedded in the inner wall of the shell, and the folded edges are distributed on both sides of the bimetallic mounting portion.
采用上述方案，本发明的衔铁一体连接于脱扣板上，脱扣板则铰接于锁扣架上，衔铁受到磁轭感应后带动脱扣板同时转动使得脱扣机构发生脱扣动作，该结构具有脱扣更快更准确、结构更简单等优点。By adopting the above scheme, the armature of the present invention is integrally connected to the trip plate, and the trip plate is hinged on the lock frame. After the armature is induced by the magnetic yoke, it drives the trip plate to rotate simultaneously so that the trip mechanism performs a tripping action. This structure has the advantages of faster and more accurate tripping and simpler structure.
下面结合附图对本发明作进一步描述。The present invention will be further described below in conjunction with the accompanying drawings.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
附图1为本发明具体实施例断路器的结构示意图；FIG1 is a schematic diagram of the structure of a circuit breaker according to a specific embodiment of the present invention;
附图2为本发明具体实施例操作机构、锁扣架、电磁感应元件以及锁扣板、衔铁等之间的安装结构示意图；FIG2 is a schematic diagram of the installation structure among the operating mechanism, the lock frame, the electromagnetic induction element, the lock plate, the armature, etc. according to a specific embodiment of the present invention;
附图3为本发明具体实施例锁扣架与锁扣板的安装结构分解图；FIG3 is an exploded view of the installation structure of the lock frame and the lock plate according to a specific embodiment of the present invention;
附图4为本发明具体实施例衔铁的结构示意图图；Figure 4 is a schematic diagram of the structure of an armature according to a specific embodiment of the present invention;
附图5为本发明具体实施例电磁感应元件安装与双金属片的安装结构示意图；FIG5 is a schematic diagram of the installation structure of the electromagnetic induction element and the bimetallic strip according to a specific embodiment of the present invention;
壳体1、操作机构2、锁扣架3、安装槽31、锁扣板4、抵接部41、铰接部42、本体部43、斜坡片44、电磁感应元件5、开口51、双金属片安装部52、磁轭安装部53、外扩斜边54、折边55、衔铁6、双金属片7。Shell 1, operating mechanism 2, lock frame 3, mounting groove 31, lock plate 4, abutment portion 41, hinge portion 42, main body portion 43, ramp piece 44, electromagnetic induction element 5, opening 51, bimetallic strip mounting portion 52, yoke mounting portion 53, outwardly expanded bevel edge 54, folded edge 55, armature 6, bimetallic strip 7.
具体实施方式DETAILED DESCRIPTION
本发明的具体实施例如图1-5所示是一体式锁扣脱扣机构的断路器，包括壳体1，壳体1中设有操作机构2、锁扣架3、脱扣机构、动触头、静触头、灭弧室以及双金属片7，壳体1内的两侧还分别设置有接线柱，锁扣架3铰接设置在壳体1内，脱扣机构包括电磁感应元件5以及衔铁6，电磁感应元件5与双金属片7相配合设置，双金属片7穿过电磁感应元件5且电磁感应元件5对应衔铁6一侧呈开口51设置，锁扣架3分体连接有锁扣板4，锁扣架3上设有可供锁扣板4容置的安装槽31，锁扣板4包括抵接部41、铰接部42和本体部43，抵接部41和本体部43分别位于铰接部42的上下两侧，铰接部42呈内凹弧形的片状结构连接于抵接部41和本体部43之间，锁扣架3上设有与铰接部42的内凹弧形所形成的凹腔对应的轴孔，轴孔穿设有连接轴，锁扣板4、锁扣架3经连接轴铰接安装于壳体1上，本体部43下端朝电磁感应元件5方向倾斜延伸有斜坡片44，该斜坡片44固接有衔铁6，衔铁6与该斜坡片44之间形成折角结构，该折角成90°或钝角角度，衔铁6由上至下朝背离电磁感应元件5方向倾斜延伸。衔铁6呈片体结构，衔铁6宽度大于斜坡片44宽度，且斜坡片44与衔铁6连接边缘呈倒圆角结构设置。The specific embodiment of the present invention is shown in Figures 1-5, which is a circuit breaker with an integrated lock and release mechanism, including a housing 1, in which an operating mechanism 2, a lock frame 3, a release mechanism, a moving contact, a static contact, an arc extinguishing chamber and a bimetallic strip 7 are arranged, and terminals are also arranged on both sides of the housing 1. The lock frame 3 is hingedly arranged in the housing 1, and the release mechanism includes an electromagnetic induction element 5 and an armature 6. The electromagnetic induction element 5 is arranged in coordination with the bimetallic strip 7. The bimetallic strip 7 passes through the electromagnetic induction element 5 and the electromagnetic induction element 5 is arranged with an opening 51 on one side corresponding to the armature 6. The lock frame 3 is split and connected with a lock plate 4. The lock frame 3 is provided with an installation groove 31 for accommodating the lock plate 4. The lock plate 4 includes an abutment portion 4 1. The hinge part 42 and the main body 43, the abutment part 41 and the main body 43 are respectively located at the upper and lower sides of the hinge part 42, the hinge part 42 is a sheet-like structure with an inward concave arc shape connected between the abutment part 41 and the main body 43, the lock frame 3 is provided with an axial hole corresponding to the concave cavity formed by the inward concave arc shape of the hinge part 42, and the axial hole is penetrated with a connecting shaft, the lock plate 4 and the lock frame 3 are hingedly installed on the housing 1 through the connecting shaft, and the lower end of the main body 43 is inclined to extend toward the electromagnetic induction element 5 with a ramp piece 44, the ramp piece 44 is fixed with an armature 6, and an angle structure is formed between the armature 6 and the ramp piece 44, the angle is 90° or an obtuse angle, and the armature 6 extends obliquely from top to bottom away from the electromagnetic induction element 5. The armature 6 is a sheet structure, the width of the armature 6 is greater than the width of the ramp piece 44, and the connecting edge of the ramp piece 44 and the armature 6 is set in a rounded structure.
上述电磁感应元件5为磁轭，磁轭上端具有朝向衔铁6的开口结构，磁轭下部包括双金属片安装部52和磁轭安装部53，双金属片安装部52由磁轭向下延伸形成，双金属片7通过点焊焊接固定于双金属片安装部52上，磁轭安装部53则由磁轭经折边55向背离衔铁6方向一体延伸形成L型结构，该L形结构嵌设于壳体1内壁上，折边55分布于双金属片安装部52的两侧。The above-mentioned electromagnetic induction element 5 is a yoke, and the upper end of the yoke has an opening structure facing the armature 6. The lower part of the yoke includes a bimetallic mounting portion 52 and a yoke mounting portion 53. The bimetallic mounting portion 52 is formed by extending the yoke downward. The bimetallic strip 7 is fixed to the bimetallic mounting portion 52 by spot welding. The yoke mounting portion 53 is formed by the yoke extending in an integral manner through the folded edge 55 in the direction away from the armature 6 to form an L-shaped structure. The L-shaped structure is embedded in the inner wall of the shell 1, and the folded edges 55 are distributed on both sides of the bimetallic mounting portion 52.
上述电磁感应元件5为磁轭，磁轭上端具有朝向衔铁6的开口结构，磁轭下部包括双金属片安装部52和磁轭安装部53，双金属片安装部52由磁轭向下延伸形成，双金属片7通过点焊焊接固定于双金属片安装部52上，磁轭安装部53则由磁轭经折边55向背离衔铁6方向一体延伸形成L型结构，该L形结构嵌设于壳体1内壁上，折边55分布于双金属片安装部52的两侧。The above-mentioned electromagnetic induction element 5 is a yoke, and the upper end of the yoke has an opening structure facing the armature 6. The lower part of the yoke includes a bimetallic mounting portion 52 and a yoke mounting portion 53. The bimetallic mounting portion 52 is formed by extending the yoke downward. The bimetallic strip 7 is fixed to the bimetallic mounting portion 52 by spot welding. The yoke mounting portion 53 is formed by the yoke extending in an integral manner through the folded edge 55 in the direction away from the armature 6 to form an L-shaped structure. The L-shaped structure is embedded in the inner wall of the shell 1, and the folded edges 55 are distributed on both sides of the bimetallic mounting portion 52.
本发明不局限于上述具体实施方式，本领域一般技术人员根据本发明公开的内容，可以采用其他多种具体实施方式实施本发明的，或者凡是采用本发明的设计结构和思路，做简单变化或更改的，都落入本发明的保护范围。The present invention is not limited to the above-mentioned specific implementation modes. A person skilled in the art may adopt other various specific implementation modes to implement the present invention based on the contents disclosed in the present invention, or any simple changes or modifications made to the design structure and concept of the present invention shall fall within the protection scope of the present invention.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711453003.0A CN108288572B (en) | 2017-12-28 | 2017-12-28 | Circuit breaker of integrated latch tripping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711453003.0A CN108288572B (en) | 2017-12-28 | 2017-12-28 | Circuit breaker of integrated latch tripping mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108288572A CN108288572A (en) | 2018-07-17 |
| CN108288572B true CN108288572B (en) | 2024-10-29 |
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| CN207800526U (en) * | 2017-12-28 | 2018-08-31 | 温州市新蓝天电器有限公司 | The breaker of integrated latch tripping mechanism |
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| JP4905112B2 (en) * | 2006-12-18 | 2012-03-28 | 富士電機機器制御株式会社 | Circuit breaker overcurrent trip device |
| FR2943847B1 (en) * | 2009-03-31 | 2011-04-01 | Schneider Electric Ind Sas | THERMAL RELEASE DEVICE FOR AN ELECTRICAL PROTECTION DEVICE |
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| CN101699609B (en) * | 2009-10-23 | 2012-08-29 | 江苏辉能电气有限公司 | Electromagnetic tripping device of low-voltage circuit breaker |
| CN201608135U (en) * | 2009-10-26 | 2010-10-13 | 上海贝红通信电器国际有限公司 | Double-pole seesaw-type breaker |
| WO2012045209A1 (en) * | 2010-10-09 | 2012-04-12 | Fang Huapeng | Miniature breaker |
| JP2012234645A (en) * | 2011-04-28 | 2012-11-29 | Fuji Electric Fa Components & Systems Co Ltd | Circuit breaker |
| CN102820182B (en) * | 2012-08-22 | 2015-07-01 | 温州市新蓝天电器有限公司 | Large-current miniature circuit breaker |
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| CN204792650U (en) * | 2015-07-16 | 2015-11-18 | 浙江正泰电器股份有限公司 | Circuit breaker |
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| CN207800526U (en) * | 2017-12-28 | 2018-08-31 | 温州市新蓝天电器有限公司 | The breaker of integrated latch tripping mechanism |
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