CN111508791B - Single-wire circuit breaker - Google Patents

Single-wire circuit breaker Download PDF

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Publication number
CN111508791B
CN111508791B CN202010296854.4A CN202010296854A CN111508791B CN 111508791 B CN111508791 B CN 111508791B CN 202010296854 A CN202010296854 A CN 202010296854A CN 111508791 B CN111508791 B CN 111508791B
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CN
China
Prior art keywords
sliding
groove
circuit
shaft
steering
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Active
Application number
CN202010296854.4A
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Chinese (zh)
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CN111508791A (en
Inventor
李伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Huakai Electric Co ltd
Original Assignee
Zhejiang Huakai Electric Co ltd
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Priority to CN202010296854.4A priority Critical patent/CN111508791B/en
Publication of CN111508791A publication Critical patent/CN111508791A/en
Application granted granted Critical
Publication of CN111508791B publication Critical patent/CN111508791B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/12Automatic release mechanisms with or without manual release
    • H01H71/123Automatic release mechanisms with or without manual release using a solid-state trip unit
    • H01H71/125Automatic release mechanisms with or without manual release using a solid-state trip unit characterised by sensing elements, e.g. current transformers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/12Automatic release mechanisms with or without manual release
    • H01H71/14Electrothermal mechanisms
    • H01H71/16Electrothermal mechanisms with bimetal element
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/50Manual reset mechanisms which may be also used for manual release
    • H01H71/58Manual reset mechanisms which may be also used for manual release actuated by push-button, pull-knob, or slide
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/12Automatic release mechanisms with or without manual release
    • H01H71/123Automatic release mechanisms with or without manual release using a solid-state trip unit
    • H01H2071/124Automatic release mechanisms with or without manual release using a solid-state trip unit with a hybrid structure, the solid state trip device being combined with a thermal or a electromagnetic trip

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Steering Controls (AREA)
  • Breakers (AREA)

Abstract

A single-wire circuit breaker comprises a cover plate part, a box part, a connecting mechanism, a pressing mechanism, a current detection mechanism and a double-color metal sheet, wherein the connecting mechanism and the pressing mechanism are installed in the box part; the current detection mechanism is arranged in the box part, and the two-color metal sheet is arranged in the box part; the cover plate part is fixedly arranged on the box part through screws; the sliding shaft is slidably mounted on the sliding rail; a shifting shaft and a communicating groove are arranged on the steering shaft; the bearing is arranged on the steering shaft, and the outer ring of the bearing is fixedly connected with the inner side of the steering barrel; the conducting rod is slidably arranged in the sliding groove, and a conducting joint is arranged in front of the conducting rod; the current detection mechanism and the bicolor metal sheet are used for respectively detecting the current in the circuit and the generated electric heat, and when the current and the electric heat are overlarge, the current detection mechanism and the bicolor metal sheet are used for detecting and powering off, so that the safety is improved.

Description

Single-wire circuit breaker
Technical Field
The invention relates to the technical field of circuit breakers, in particular to a single-wire circuit breaker.
Background
When the circuit breaker is used, because the current is too big in the circuit or the circuit generates heat seriously and just causes conflagration or the circuit ageing seriously easily causes the electric leakage accident, consequently need to have strict control to the electric current and the electric heat of circuit, and the circuit current is too big or the heat production is serious all causes the electric leakage easily and takes place the conflagration, consequently needs a circuit breaker that can detect circuit live wire current and electric heat.
Disclosure of Invention
In view of the above problems, the present invention provides a single-wire circuit breaker, which detects current and generated electric heat in a circuit through a current detection mechanism and a dual-color metal plate, respectively, and when the current and the electric heat are too large, detects and disconnects the power through the current detection mechanism and the dual-color metal plate, thereby improving safety.
The technical scheme adopted by the invention is as follows: a single-wire circuit breaker is characterized by comprising a cover plate part, a box part, a connecting mechanism, a pressing mechanism, a current detection mechanism and a two-color metal sheet, wherein the connecting mechanism and the pressing mechanism are installed in the box part; the current detection mechanism is arranged in the box part, and the two-color metal sheet is arranged in the box part; the cover plate part is fixedly arranged on the box part through screws; the connecting mechanism comprises a push rod, an inclined plane, a steering barrel, a sliding shaft, a steering groove, a steering shaft, a shifting shaft, a connecting groove, a bearing, a sliding groove, a conductive rod and a conductive joint, wherein the inclined plane is arranged on the push rod, the steering barrel is fixedly arranged at the lower end of the push rod, and the sliding shaft and the steering groove are arranged on the steering barrel; the sliding shaft is slidably mounted on the sliding rail; a shifting shaft and a communicating groove are arranged on the steering shaft; the bearing is arranged on the steering shaft, and the outer ring of the bearing is fixedly connected with the inner side of the steering barrel; the conducting rod is slidably mounted in the sliding groove, and a conducting joint is arranged in front of the conducting rod.
Specifically, a spring is mounted on the conductive rod and is mounted in the sliding groove, and the spring enables the conductive connector to move towards the direction of the connection groove.
Specifically, the cover plate part comprises a cover plate, a passage button, a circuit breaking button and a sloping block, and the passage button and the circuit breaking button are fixedly connected with the sloping block respectively.
The box part comprises a box, an access circuit, an output circuit, a transverse sliding shaft, a transverse sliding column, a spring, a sliding rail, a fixed seat, a binding post, a connecting wire and a heating plate, wherein the transverse sliding shaft and the transverse sliding column are arranged in the box; an access circuit and an output circuit are arranged on the box; the spring is fixedly arranged in the box; a slide rail and a fixed seat are arranged in the box; the heating plate is communicated with the outgoing circuit through one end of the circuit, and the other end of the circuit is communicated with the wiring terminal; and a binding post is arranged in the box.
Specifically, one end of the connecting wire is connected with the other binding post, the other end of the connecting wire is communicated with the current detection mechanism, and the current detection mechanism is communicated with the access circuit.
The pressing mechanism comprises a pressing mechanism frame, a circular armature, a sliding block, a groove, a T-shaped groove, a clamping plate, a clamping head, a spring, a side sliding groove, a bottom sliding groove and a pressing plate, wherein the circular armature and the pressing plate are respectively arranged at two ends of the pressing mechanism frame; the two clamping plates are connected through a spring, clamping heads are arranged on the clamping plates, side face sliding grooves and bottom face sliding grooves are arranged on the clamping plates, the side face sliding grooves and the bottom face sliding grooves are respectively installed on the transverse sliding shafts and the transverse sliding columns in a sliding mode, inclined planes are arranged below the clamping plates, and the clamping plates are installed on the T-shaped grooves in a sliding mode.
The invention has the beneficial effects that:
1. after the catch bar is clamped on the chuck and separated from the two clamping plates, the steering barrel moves in the direction of the steering shaft under the tension of the spring and then the steering groove drives the shifting shaft to drive the steering shaft to rotate so as to enable the switch-on groove to be separated from the two conductive connectors to complete circuit breaking, automatic circuit breaking is achieved, and working efficiency is improved.
2. When power needs to be switched on, the channel button is pressed to drive the inclined block to drive the inclined plane to drive the pushing rod to move in the opposite direction of the steering shaft, the pushing rod is clamped on the chuck to complete circuit connection, when power needs to be switched off, the circuit breaking button is pressed to drive the inclined block to drive the pushing rod to move in the direction of the steering shaft to enable the pushing rod to leave the chuck to complete circuit breaking, the on-off of the circuit is controlled manually, manual control is achieved, and the pushing rod is closed at any time.
3. The current detection mechanism and the bicolor metal sheet are used for respectively detecting the current in the circuit and the generated electric heat, and when the current and the electric heat are overlarge, the current detection mechanism and the bicolor metal sheet are used for detecting and powering off, so that the safety is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 and 3 are schematic structural diagrams of a part of the structure of the present invention.
Fig. 4 and 5 are schematic structural views of the cover plate part of the present invention.
Fig. 6 is a schematic view of the structure of the box portion of the present invention.
Fig. 7, 8 and 9 are schematic structural views of the connection mechanism of the present invention.
Fig. 10, 11, 12, 13 and 14 are schematic structural views of the pressing mechanism of the present invention.
Reference numerals: 1-cover plate part, 2-box part, 3-connecting mechanism, 4-pressing mechanism, 5-current detection mechanism, 6-two-color metal sheet, 101-cover plate, 102-path button, 103-breaking button, 104-inclined block, 201-box, 202-access circuit, 203-access circuit, 204-transverse sliding shaft, 205-transverse sliding column, 206-spring, 207-sliding rail, 208-fixed seat, 209-binding post, 210-connecting wire, 211-heating plate, 301-pushing rod, 302-inclined plane, 303-steering barrel, 304-sliding shaft, 305-steering groove, 306-steering shaft, 307-steering shaft, 308-access groove, 309-bearing, 310-sliding groove, 311-conducting rod, 312-conducting joint, 313-conducting rod fixing sleeve, 401-pressing mechanism frame, 402-round armature, 403-sliding block, 404-groove, 405-T-shaped groove, 406-clamping plate, 407-clamping head, 408-spring, 409-side sliding groove, 410-bottom sliding groove and 411-pressing plate.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Referring to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, the single-wire circuit breaker is characterized by comprising a cover plate part 1, a box part 2, a connecting mechanism 3, a pressing mechanism 4, a current detection mechanism 5, a two-color metal sheet 6, wherein the connecting mechanism 3 and the pressing mechanism 4 are arranged in the box part 2; the locking power-on and power-off are realized through the matching of the connecting mechanism 3 and the pressing mechanism 4; the current detection mechanism 5 is arranged in the box part 2, and the two-color metal sheet 6 is arranged in the box part 2; the current detection mechanism 5 detects current, and when the current is too large, the current detection mechanism 5 generates magnetic force to absorb the round armature 402 to drive the pressing mechanism 4 to drive the connecting mechanism 3 to complete power failure; when the heating plate 211 generates a large amount of heat, the bi-color metal sheet 6 generates a downward bending force due to different extensibility to press the pressing plate 411 downward, and further drives the pressing mechanism 4 to drive the connecting mechanism 3 to complete power failure; the cover plate part 1 is fixedly arranged on the box part 2 through screws; the connecting mechanism 3 comprises a push rod 301, an inclined plane 302, a steering barrel 303, a sliding shaft 304, a steering groove 305, a steering shaft 306, a shifting shaft 307, a communicating groove 308, a bearing 309, a sliding groove 310, a conductive rod 311, a conductive joint 312 and a conductive rod fixing sleeve 313, wherein the inclined plane 302 is arranged on the push rod 301, the steering barrel 303 is fixedly arranged at the lower end of the push rod 301, and the sliding shaft 304 and the steering groove 305 are arranged on the steering barrel 303; the sliding shaft 304 is slidably mounted on the sliding rail 207; a shifting shaft 307 and a connecting groove 308 are arranged on the steering shaft 306; the bearing 309 is arranged on the steering shaft 306, and the outer ring of the bearing 309 is fixedly connected with the inner side of the steering barrel 303; the conducting rod 311 is slidably mounted in the sliding groove 310, a conducting joint 312 is arranged in front of the conducting rod 311, specifically, two conducting rod fixing sleeves 313 are fixedly mounted on the fixing seat 208, the conducting rod 311 is rotatably mounted in the two binding posts 209, and the conducting rod 311 is connected with the binding posts 209; when the steering shaft is switched on, current passes through the conducting rod 311 through one binding post 209, then passes through the switching groove 308 on the steering shaft 306 to reach the other conducting rod 311, and then is transmitted to the binding post 209 from the other conducting rod 311; when the power is normally switched on, the spring 206 pulls the steering barrel 303 to move towards the steering shaft 306, and after the push rod 301 is clamped on the clamping head 407 and separated from the two clamping plates 406, the steering barrel 303 moves towards the steering shaft 306 under the pulling force of the spring 206 and then the steering groove 305 drives the shifting shaft 307 to drive the steering shaft 306 to rotate so that the switch-on groove 308 is separated from the two conductive joints 312 to complete the circuit breaking.
Specifically, the conductive rod 311 is provided with a spring, the spring is arranged in the sliding groove 310, and the spring moves the conductive contact 312 towards the connection groove 308.
Specifically, the cover plate portion 1 includes a cover plate 101, a pass button 102, a trip button 103, and an inclined block 104, the pass button 102 and the trip button 103 are respectively and fixedly connected to the inclined block 104, when power needs to be turned on, the pass button 102 is pressed to drive the inclined block 104 to drive the inclined plane 302 to drive the push rod 301 to move in the opposite direction of the steering shaft 306, when the push rod 301 is clamped on the clamp 407 to complete a circuit connection, when the current detection mechanism 5 or the bi-color metal sheet 6 drives the pressing mechanism frame 401 to drive the clamping plate 406 to move towards the middle, and when the clamping plate 406 moves towards the middle, the push rod 301 moves towards the steering shaft 306 under the pulling force of the spring 206 to drive the steering shaft 306 to complete the power failure; when power is required to be cut off, the pushing rod 301 is moved away from the chuck 407 by pressing the trip button 103 to drive the inclined block 104 and further drive the pushing rod 301 to move towards the steering shaft 306.
Specifically, the box part 2 comprises a box 201, an incoming circuit 202, an outgoing circuit 203, a transverse sliding shaft 204, a transverse sliding column 205, a spring 206, a sliding rail 207, a fixed seat 208, a binding post 209, a connecting wire 210 and a heating plate 211, wherein the transverse sliding shaft 204 and the transverse sliding column 205 are arranged in the box 201; an access circuit 202 and an access circuit 203 are arranged on the box 201; the spring 206 is fixedly arranged in the box 201; a slide rail 207 and a fixed seat 208 are arranged in the box 201; the heating plate 211 is communicated with the outgoing circuit 203 through one end of a circuit, and the other end of the circuit is communicated with the wiring terminal 209; terminals 209 are provided inside the box 201, specifically, for connecting incoming wires to the incoming circuit 202 and outgoing wires to the outgoing circuit 203.
Specifically, the connection line 210 has one end connected to the other terminal 209, and the other end connected to the current detection mechanism 5, and the current detection mechanism 5 is connected to the access circuit 202.
Specifically, the pressing mechanism 4 comprises a pressing mechanism frame 401, a circular armature 402, a sliding block 403, a groove 404, a T-shaped groove 405, a clamping plate 406, a clamping head 407, a spring 408, a side sliding groove 409, a bottom sliding groove 410 and a pressing plate 411, wherein the circular armature 402 and the pressing plate 411 are respectively arranged at two ends of the pressing mechanism frame 401, the sliding block 403 is arranged on the pressing mechanism frame 401, and the groove 404 and the T-shaped groove 405 are arranged on the sliding block 403; the two clamping plates 406 are connected through a spring 408, a clamping head 407 is arranged on each clamping plate 406, a side sliding groove 409 and a bottom sliding groove 410 are arranged on each clamping plate 406, the side sliding groove 409 and the bottom sliding groove 410 are respectively installed on the transverse sliding shaft 204 and the transverse sliding column 205 in a sliding mode, an inclined plane is arranged below each clamping plate 406, and each clamping plate 406 is installed on the T-shaped groove 405 in a sliding mode; the groove 404 is slidably mounted in the box 201; the hold-down mechanism chassis 401 is returned to its position by a spring 408.

Claims (4)

1. The single-wire circuit breaker is characterized by comprising a cover plate part (1), a box part (2), a connecting mechanism (3), a pressing mechanism (4), a current detection mechanism (5) and a double-color metal sheet (6), wherein the connecting mechanism (3) and the pressing mechanism (4) are installed in the box part (2); the current detection mechanism (5) is arranged in the box part (2), and the two-color metal sheet (6) is arranged in the box part (2); the cover plate part (1) is fixedly arranged on the box part (2) through screws;
the connecting mechanism (3) comprises a push rod (301), an inclined plane (302), a steering barrel (303), a sliding shaft (304), a steering groove (305), a steering shaft (306), a shifting shaft (307), a communicating groove (308), a bearing (309), a sliding groove (310), a conductive rod (311) and a conductive joint (312), wherein the inclined plane (302) is arranged on the push rod (301), the steering barrel (303) is fixedly arranged at the lower end of the push rod (301), and the sliding shaft (304) and the steering groove (305) are arranged on the steering barrel (303); the sliding shaft (304) is slidably mounted on the sliding rail (207); a shifting shaft (307) and a connecting groove (308) are arranged on the steering shaft (306); the bearing (309) is arranged on the steering shaft (306), and the outer ring of the bearing (309) is fixedly connected with the inner side of the steering barrel (303); the conducting rod (311) is slidably arranged in the sliding groove (310), and a conducting joint (312) is arranged in front of the conducting rod (311);
the cover plate part (1) comprises a cover plate (101), a passage button (102), a circuit breaking button (103) and an inclined block (104), wherein the passage button (102) and the circuit breaking button (103) are respectively and fixedly connected with the inclined block (104);
the pressing mechanism (4) comprises a pressing mechanism rack (401), a round armature (402), a sliding block (403), a groove (404), a T-shaped groove (405), a clamping plate (406), a clamping head (407), a spring a (408), a side sliding groove (409), a bottom surface sliding groove (410) and a pressing plate (411), the round armature (402) and the pressing plate (411) are respectively arranged at two ends of the pressing mechanism rack (401), the sliding block (403) is arranged on the pressing mechanism rack (401), and the groove (404) and the T-shaped groove (405) are arranged on the sliding block (403); the two clamping plates (406) are connected through a spring a (408), a clamping head (407) is arranged on each clamping plate (406), a side sliding groove (409) and a bottom sliding groove (410) are arranged on each clamping plate (406), the side sliding groove (409) and the bottom sliding groove (410) are respectively installed on the transverse sliding shaft (204) and the transverse sliding column (205) in a sliding mode, an inclined plane is arranged below each clamping plate (406), and each clamping plate (406) is installed on the T-shaped groove (405) in a sliding mode;
when the push rod (301) is clamped on the clamping head (407) and separated from the two clamping plates (406), the steering barrel (303) moves towards the steering shaft (306) under the tension of the spring b (206) so as to steer the groove (305) to drive the shifting shaft (307) to drive the steering shaft (306) to rotate, so that the connection groove (308) is separated from the two conductive connectors (312) to complete disconnection;
the push rod (301) is driven to move in the opposite direction of a steering shaft (306) by pressing a channel button (102) to drive an inclined block (104) to drive an inclined plane (302), when the push rod (301) is clamped on a clamping head (407) to complete a circuit connection, when power is required to be cut off, the push rod (301) is separated from the clamping head (407) by pressing a circuit breaking button (103) to drive the inclined block (104) to drive the push rod (301) to move in the direction of the steering shaft (306).
2. Single line circuit breaker according to claim 1, wherein the conductive rod (311) is provided with a spring c, which is arranged in the sliding recess (310) and which moves the conductive contact (312) in the direction of the contact recess (308).
3. The single-wire circuit breaker according to claim 1, characterized in that the box portion (2) comprises a box (201), an incoming circuit (202), an outgoing circuit (203), a transverse sliding shaft (204), a transverse sliding column (205), a spring b (206), a sliding rail (207), a fixed seat (208), a binding post (209), a connecting wire (210), and a heating plate (211), wherein the transverse sliding shaft (204) and the transverse sliding column (205) are arranged inside the box (201); an access circuit (202) and an access circuit (203) are arranged on the box (201); the spring b (206) is fixedly arranged in the box (201); a slide rail (207) and a fixed seat (208) are arranged in the box (201); the heating plate (211) is communicated with the outgoing circuit (203) through one end of a circuit, and the other end of the circuit is communicated with the wiring terminal (209); a binding post (209) is arranged in the box (201).
4. A single-wire circuit breaker according to claim 3, characterized in that the connecting wire (210) is connected at one end to another terminal (209) and at the other end to the current detection means (5), said current detection means (5) being connected to the access circuit (202).
CN202010296854.4A 2020-04-15 2020-04-15 Single-wire circuit breaker Active CN111508791B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010296854.4A CN111508791B (en) 2020-04-15 2020-04-15 Single-wire circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010296854.4A CN111508791B (en) 2020-04-15 2020-04-15 Single-wire circuit breaker

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CN111508791A CN111508791A (en) 2020-08-07
CN111508791B true CN111508791B (en) 2022-06-21

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0950753A (en) * 1995-05-31 1997-02-18 Toshiba Lighting & Technol Corp Over-current detecting element and circuit breaker
CN101536131A (en) * 2006-08-21 2009-09-16 阿科林有限公司 Medium-voltage circuit-breaker
JP2009266668A (en) * 2008-04-25 2009-11-12 Kawamura Electric Inc Overcurrent trip mechanism
CN202796797U (en) * 2012-09-21 2013-03-13 德力西电气有限公司 Thermal overload tripping three-phase double-gold synchronous adjusting device
CN103065833A (en) * 2012-12-21 2013-04-24 德力西电气有限公司 Isolating switch with self-locking function
CN103954919A (en) * 2014-04-28 2014-07-30 温州大学 Measuring device for transient state magnetic field in miniature circuit breaker arc extinguish chamber
CN106098487A (en) * 2016-08-05 2016-11-09 厦门宏发开关设备有限公司 The external circuit breaker tripping of electric energy meter controls device
CN108010819A (en) * 2017-12-20 2018-05-08 江苏辉能电气有限公司 A kind of circuit breaker operation mechanism and method of work of clutch linkage mechanism
CN110429489A (en) * 2019-06-25 2019-11-08 南安市博铭工业设计有限公司 A kind of electric power box convenient for fast break
EP3594986A1 (en) * 2018-07-10 2020-01-15 LSIS Co., Ltd. Switching mechanism of circuit breaker
CN111009438A (en) * 2019-11-15 2020-04-14 王凯 Multi-mode operation straight-pull type remote control electric appliance switch

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0950753A (en) * 1995-05-31 1997-02-18 Toshiba Lighting & Technol Corp Over-current detecting element and circuit breaker
CN101536131A (en) * 2006-08-21 2009-09-16 阿科林有限公司 Medium-voltage circuit-breaker
JP2009266668A (en) * 2008-04-25 2009-11-12 Kawamura Electric Inc Overcurrent trip mechanism
CN202796797U (en) * 2012-09-21 2013-03-13 德力西电气有限公司 Thermal overload tripping three-phase double-gold synchronous adjusting device
CN103065833A (en) * 2012-12-21 2013-04-24 德力西电气有限公司 Isolating switch with self-locking function
CN103954919A (en) * 2014-04-28 2014-07-30 温州大学 Measuring device for transient state magnetic field in miniature circuit breaker arc extinguish chamber
CN106098487A (en) * 2016-08-05 2016-11-09 厦门宏发开关设备有限公司 The external circuit breaker tripping of electric energy meter controls device
CN108010819A (en) * 2017-12-20 2018-05-08 江苏辉能电气有限公司 A kind of circuit breaker operation mechanism and method of work of clutch linkage mechanism
EP3594986A1 (en) * 2018-07-10 2020-01-15 LSIS Co., Ltd. Switching mechanism of circuit breaker
CN110429489A (en) * 2019-06-25 2019-11-08 南安市博铭工业设计有限公司 A kind of electric power box convenient for fast break
CN111009438A (en) * 2019-11-15 2020-04-14 王凯 Multi-mode operation straight-pull type remote control electric appliance switch

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