EP3748665B1 - Contact operating mechanism of circuit breaker - Google Patents

Contact operating mechanism of circuit breaker Download PDF

Info

Publication number
EP3748665B1
EP3748665B1 EP19746886.1A EP19746886A EP3748665B1 EP 3748665 B1 EP3748665 B1 EP 3748665B1 EP 19746886 A EP19746886 A EP 19746886A EP 3748665 B1 EP3748665 B1 EP 3748665B1
Authority
EP
European Patent Office
Prior art keywords
moving contact
base
installation
spring
lock catch
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.)
Active
Application number
EP19746886.1A
Other languages
German (de)
French (fr)
Other versions
EP3748665A4 (en
EP3748665A1 (en
Inventor
Lianghua Wang
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 Aoelec Electrical Co Ltd
Original Assignee
Zhejiang Aoelec Electrical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Aoelec Electrical Co Ltd filed Critical Zhejiang Aoelec Electrical Co Ltd
Publication of EP3748665A1 publication Critical patent/EP3748665A1/en
Publication of EP3748665A4 publication Critical patent/EP3748665A4/en
Application granted granted Critical
Publication of EP3748665B1 publication Critical patent/EP3748665B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
    • H01H71/526—Manual reset mechanisms which may be also used for manual release actuated by lever the lever forming a toggle linkage with a second lever, the free end of which is directly and releasably engageable with a contact structure
    • 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
    • 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
    • H01H71/1009—Interconnected mechanisms
    • 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
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
    • H01H71/521—Details concerning the lever handle
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/02—Details
    • H01H73/04—Contacts

Definitions

  • the present invention relates to a circuit breaker, and especially to a contact operation mechanism inside the circuit breaker.
  • a contact operation mechanism of a conventional circuit breaker generates an opening force by pulling a moving contact installation base, which is inconvenient to install; in addition, a small pulling force will affect the opening, and a lock catch generates a restoring force through a torsion spring or a pulling spring, which will affect opening of a moving contact.
  • Documents CN 205 564 679 U discloses contact operation mechanisms of circuit breakers according to the preamble of claim 1.
  • CN 104 241 038 A is another document illustrating the technological background of contact operation mechanisms for circuit breakers.
  • the present invention overcomes defects of the prior art and provides a novel contact operation mechanism of a circuit breaker that is easy to install and has a good opening effect.
  • a technical solution used in the present invention is: a contact operation mechanism of a circuit breaker, including a base, a handle, a connecting rod, a jump buckle, a lock catch, a moving contact installation base, and a moving contact, where the lock catch and the moving contact installation base are rotatably provided on the base, the jump buckle is rotatably provided on the moving contact installation base, and the moving contact is fixedly provided on the moving contact installation base; the handle and the jump buckle are connected via the connecting rod; an abutment foot and a push foot are provided on the lock catch, where the abutment foot is fit with the jump buckle, and the push foot is provided corresponding to a tripping device of the circuit breaker; an installation groove is provided on the base and below the handle, and an abutment spring and a sliding block are provided in the installation groove; one end of the abutment spring abuts against an inner side of the installation groove, and the other end abuts against the sliding block; a
  • a further setting of the present invention is that: the installation groove is a rectangle installation groove, the sliding block can be provided in the installation groove in a sliding manner, a first spring base is provided on one side of the sliding block facing the abutment spring, and a connection hole is provided on an upper end of the sliding block; the lock catch and the moving contact installation base share a rotation shaft which is rotatably provided in the base, an installation hole is provided on the lock catch and located between the rotation shaft and the abutment foot, one end of the push rod is movably inserted on the connection hole and the other end is movably inserted on installation hole.
  • the push rod may adjust directions when working, thus ensuring resilience generated by the lock catch and stabilizing work of the circuit breaker.
  • a further setting of the present invention is that: the lock catch and the moving contact installation base share a rotation shaft which is rotatably provided in the base, a second spring base is provided on one side of the moving contact installation base departing from the handle and located above the rotation shaft, one end of the spring abuts against the second spring base, and the other end abuts against a side wall of the base.
  • a further setting of the present invention is that: a fan-shaped notch is set on one side of the connection hole of the sliding block facing the lock catch, and the push rod is inserted into the connection hole by means of the fan-shaped notch.
  • the final setting of the present invention is that: a moving contact resettlement groove is provided on the moving contact installation base, a convex column and a slant hole are provided on the moving contact resettlement groove, a fixing hole and an oblique through hole that are respectively corresponding to the convex column and the slant hole are provided on the moving contact, and the fixing hole of the moving contact is settled in the resettlement groove and then is fixedly provided in resettlement groove after hot riveting by means of the convex column.
  • a moving contact is easy to set.
  • a spring generates pressure on a moving contact installation base, and continues to rotate a handle to move a shaft in a slant hole, resulting in overtravel and final pressure.
  • a contact operation mechanism of a circuit breaker including a base 1, a handle 2, a connecting rod 3, a jump buckle 4, a lock catch 5, moving contact installation base 6, and a moving contact 7, where the lock catch 5 and the moving contact installation base 6 are rotatably provided on the base 1; the jump buckle 4 is rotatably provided on the moving contact installation base 6, and the moving contact 7 is fixedly provided on the moving contact installation base 6; the handle 2 and the jump buckle 4 are connected via the connecting rod 3; an abutment foot 51 and a push foot 52 are provided on the lock catch 5, where the abutment foot 51 is fit with the jump buckle 4, and the push foot 52 is provided corresponding to a tripping device of the circuit breaker.
  • an installation groove 11 is provided on the base 1 and below the handle 2, and an abutment spring 111 and a sliding block 112 are provided in the installation groove 11; one end of the abutment spring 111 abuts against an inner side of the installation groove 11, and the other end abuts against the sliding block 112; a push rod 113 is provided between the sliding block 112 and the lock catch 5, and a spring 8 that generates resilience to the moving contact installation base 6 is provided between the moving contact installation base 6 and the side wall of the base 1.
  • the resilience here includes a force of resetting the moving contact installation base 6 when opening and final pressure to the moving contact installation base 6 when closing.
  • the spring 8 is easy to install in this way, especially the spring 8 can be set to have larger resilience, then the circuit breaker will have a better tripping effect.
  • the resilience generated by the moving contact installation base 6 all acts on the moving contact installation base 6, and the opening force is not affected by other components.
  • the installation groove 111 is a rectangle installation groove
  • the sliding block 112 can be provided in the installation groove 111 in a sliding manner
  • a first spring base 1121 is provided on one side of the sliding block 112 facing the abutment spring 111
  • a connection hole 1122 is provided on an upper end of the sliding block 112
  • the lock catch 5 and the moving contact installation base 6 share a rotation shaft which is rotatably provided in the base 1
  • an installation hole 511 is provided on the lock catch 5 and located between the rotation shaft and the abutment foot 51
  • one end of the push rod 113 is movably inserted on the connection hole 1122 and the other end is movably inserted on installation hole 511.
  • the push rod 113 may adjust directions when working, thus ensuring resilience generated by the lock catch 5 and stabilizing work of the circuit breaker.
  • a second spring base 62 is provided on one side of the moving contact installation base 6 departing from the handle 2 and located above the rotation shaft, one end of the spring 8 abuts against the second spring base 62, and the other end abuts against a side wall of the base 1.
  • a spring fixing table for fixing an end portion of the spring 8 may be provided on the side wall.
  • a fan-shaped notch 1123 is set on one side of the connection hole 1122 of the sliding block 112 facing the lock catch 5, and the push rod 113 is inserted into the connection hole 112 by means of the fan-shaped notch 1123, thus further ensuring change of the force direction of the push rod 113 and ensuring work stability of the product.
  • a moving contact resettlement groove 61 is provided on the moving contact installation base 6, a convex column 611 and a slant hole 612 are provided on the moving contact resettlement groove 61, a fixing hole and an oblique through hole that are respectively corresponding to the convex column 611 and the slant hole 612 are provided on the moving contact 7, and the fixing hole of the moving contact 7 is settled in the resettlement groove 61 and then is fixedly provided in resettlement groove 61 after hot riveting by means of the convex column 611, which is easy to set the moving contact 7.

Landscapes

  • Breakers (AREA)

Description

    Field of the Invention
  • The present invention relates to a circuit breaker, and especially to a contact operation mechanism inside the circuit breaker.
    • Background
  • A contact operation mechanism of a conventional circuit breaker generates an opening force by pulling a moving contact installation base, which is inconvenient to install; in addition, a small pulling force will affect the opening, and a lock catch generates a restoring force through a torsion spring or a pulling spring, which will affect opening of a moving contact.
  • Documents CN 205 564 679 U discloses contact operation mechanisms of circuit breakers according to the preamble of claim 1. CN 104 241 038 A is another document illustrating the technological background of contact operation mechanisms for circuit breakers.
    • Summary of the Invention
  • The present invention overcomes defects of the prior art and provides a novel contact operation mechanism of a circuit breaker that is easy to install and has a good opening effect.
  • In order to realize the above utility model, a technical solution used in the present invention is: a contact operation mechanism of a circuit breaker, including a base, a handle, a connecting rod, a jump buckle, a lock catch, a moving contact installation base, and a moving contact, where the lock catch and the moving contact installation base are rotatably provided on the base, the jump buckle is rotatably provided on the moving contact installation base, and the moving contact is fixedly provided on the moving contact installation base; the handle and the jump buckle are connected via the connecting rod; an abutment foot and a push foot are provided on the lock catch, where the abutment foot is fit with the jump buckle, and the push foot is provided corresponding to a tripping device of the circuit breaker; an installation groove is provided on the base and below the handle, and an abutment spring and a sliding block are provided in the installation groove; one end of the abutment spring abuts against an inner side of the installation groove, and the other end abuts against the sliding block; a push rod is provided between the sliding block and the lock catch, and a spring that generates resilience to the moving contact installation base is provided between the moving contact installation base and the side wall of the base.
  • By means of the above solution, a structural layout of the product is reasonable, and the above settings are more flexible for a pushing force of the lock catch, and there will be no stuck phenomenon. In addition, spring is easy to install in this way, especially spring can be set to have larger resilience, then the circuit breaker will have a better tripping effect. The resilience generated by the moving contact installation base all acts on the moving contact installation base, and the opening force is not affected by other components.
  • A further setting of the present invention is that: the installation groove is a rectangle installation groove, the sliding block can be provided in the installation groove in a sliding manner, a first spring base is provided on one side of the sliding block facing the abutment spring, and a connection hole is provided on an upper end of the sliding block; the lock catch and the moving contact installation base share a rotation shaft which is rotatably provided in the base, an installation hole is provided on the lock catch and located between the rotation shaft and the abutment foot, one end of the push rod is movably inserted on the connection hole and the other end is movably inserted on installation hole.
  • By means of the above solution, the push rod may adjust directions when working, thus ensuring resilience generated by the lock catch and stabilizing work of the circuit breaker.
  • A further setting of the present invention is that: the lock catch and the moving contact installation base share a rotation shaft which is rotatably provided in the base, a second spring base is provided on one side of the moving contact installation base departing from the handle and located above the rotation shaft, one end of the spring abuts against the second spring base, and the other end abuts against a side wall of the base.
  • By means of the above solution, the resilience of the spring can be well acted on the moving contact installation base, thus ensuring opening effects.
  • A further setting of the present invention is that: a fan-shaped notch is set on one side of the connection hole of the sliding block facing the lock catch, and the push rod is inserted into the connection hole by means of the fan-shaped notch.
  • Change of the push rod force direction is further ensured and work stability of the product is ensured.
  • The final setting of the present invention is that: a moving contact resettlement groove is provided on the moving contact installation base, a convex column and a slant hole are provided on the moving contact resettlement groove, a fixing hole and an oblique through hole that are respectively corresponding to the convex column and the slant hole are provided on the moving contact, and the fixing hole of the moving contact is settled in the resettlement groove and then is fixedly provided in resettlement groove after hot riveting by means of the convex column.
  • By means of the above solutions, a moving contact is easy to set. In addition, after the moving contact and a static contact are in contact during a closing process, a spring generates pressure on a moving contact installation base, and continues to rotate a handle to move a shaft in a slant hole, resulting in overtravel and final pressure.
  • The present invention will be further described below with reference to accompanying drawings.
    • Drawings of the Description
    • FIG. 1 is a three-dimensional diagram of a contact operation mechanism according to an embodiment of the present invention;
    • FIG. 2 is a structural diagram of a sliding block according to an embodiment of the present invention; and
    • FIG. 3 is a structural diagram of a moving contact installation base according to an embodiment of the present invention.
    Detailed Description of the Invention
  • As shown in FIGs. 1 to 3, a contact operation mechanism of a circuit breaker, including a base 1, a handle 2, a connecting rod 3, a jump buckle 4, a lock catch 5, moving contact installation base 6, and a moving contact 7, where the lock catch 5 and the moving contact installation base 6 are rotatably provided on the base 1; the jump buckle 4 is rotatably provided on the moving contact installation base 6, and the moving contact 7 is fixedly provided on the moving contact installation base 6; the handle 2 and the jump buckle 4 are connected via the connecting rod 3; an abutment foot 51 and a push foot 52 are provided on the lock catch 5, where the abutment foot 51 is fit with the jump buckle 4, and the push foot 52 is provided corresponding to a tripping device of the circuit breaker. The above technical features are also common in the prior art, and will not be described in detail in this embodiment. In this embodiment, an installation groove 11 is provided on the base 1 and below the handle 2, and an abutment spring 111 and a sliding block 112 are provided in the installation groove 11; one end of the abutment spring 111 abuts against an inner side of the installation groove 11, and the other end abuts against the sliding block 112; a push rod 113 is provided between the sliding block 112 and the lock catch 5, and a spring 8 that generates resilience to the moving contact installation base 6 is provided between the moving contact installation base 6 and the side wall of the base 1. The resilience here includes a force of resetting the moving contact installation base 6 when opening and final pressure to the moving contact installation base 6 when closing. By means of the above solution, a structural layout of the product is reasonable, and the above settings are more flexible for a pushing force of the lock catch 5, and there will be no stuck phenomenon. In addition, the spring 8 is easy to install in this way, especially the spring 8 can be set to have larger resilience, then the circuit breaker will have a better tripping effect. The resilience generated by the moving contact installation base 6 all acts on the moving contact installation base 6, and the opening force is not affected by other components.
  • In this embodiment of the present invention, the installation groove 111 is a rectangle installation groove, the sliding block 112 can be provided in the installation groove 111 in a sliding manner, a first spring base 1121 is provided on one side of the sliding block 112 facing the abutment spring 111, and a connection hole 1122 is provided on an upper end of the sliding block 112; the lock catch 5 and the moving contact installation base 6 share a rotation shaft which is rotatably provided in the base 1, an installation hole 511 is provided on the lock catch 5 and located between the rotation shaft and the abutment foot 51, one end of the push rod 113 is movably inserted on the connection hole 1122 and the other end is movably inserted on installation hole 511. By means of the above solution, the push rod 113 may adjust directions when working, thus ensuring resilience generated by the lock catch 5 and stabilizing work of the circuit breaker.
  • In this embodiment of the present invention, a second spring base 62 is provided on one side of the moving contact installation base 6 departing from the handle 2 and located above the rotation shaft, one end of the spring 8 abuts against the second spring base 62, and the other end abuts against a side wall of the base 1. Generally, a spring fixing table for fixing an end portion of the spring 8 may be provided on the side wall. By means of the above solution, the resilience of the spring 8 can be well acted on the moving contact installation base 6, thus ensuring opening effects.
  • In this embodiment of the present invention, a fan-shaped notch 1123 is set on one side of the connection hole 1122 of the sliding block 112 facing the lock catch 5, and the push rod 113 is inserted into the connection hole 112 by means of the fan-shaped notch 1123, thus further ensuring change of the force direction of the push rod 113 and ensuring work stability of the product. A moving contact resettlement groove 61 is provided on the moving contact installation base 6, a convex column 611 and a slant hole 612 are provided on the moving contact resettlement groove 61, a fixing hole and an oblique through hole that are respectively corresponding to the convex column 611 and the slant hole 612 are provided on the moving contact 7, and the fixing hole of the moving contact 7 is settled in the resettlement groove 61 and then is fixedly provided in resettlement groove 61 after hot riveting by means of the convex column 611, which is easy to set the moving contact 7.

Claims (5)

  1. A contact operation mechanism of a circuit breaker, comprising a base (1), a handle (2), a connecting rod (3), a jump buckle (4), a lock catch (5), a moving contact installation base (6), and a moving contact (7), wherein the lock catch (5) and the moving contact installation base (6) are rotatably provided on the base (1), the jump buckle (4) is rotatably provided on the moving contact installation base (6), and the moving contact (7) is fixedly provided on the moving contact installation base (6); the handle (2) and the jump buckle (4) are connected via the connecting rod (3); an abutment foot (51) and a push foot (52) are provided on the lock catch (5), wherein the abutment foot (51) is fit with the jump buckle (4), and the push foot (52) is provided corresponding to a tripping device of the circuit breaker;
    characterized in that an installation groove (11) is provided on the base (1) and below the handle (2), and an abutment spring (111) and a sliding block (112) are provided in the installation groove (11); one end of the abutment spring (111) abuts against an inner side of the installation groove (11), and the other end abuts against the sliding block (112); a push rod (113) is provided between the sliding block (112) and the lock catch (5), and a spring (8) that generates resilience to the moving contact installation base (6) is provided between the moving contact installation base (6) and the side wall of the base (1).
  2. The contact operation mechanism of the circuit breaker according to claim 1, wherein the installation groove (111) is a rectangle installation groove, the sliding block (112) can be provided in the installation groove (111) in a sliding manner, a first spring base (1121) is provided on one side of the sliding block (112) facing the abutment spring (111), and a connection hole (1122) is provided on an upper end of the sliding block (112); the lock catch (5) and the moving contact installation base (6) share a rotation shaft which is rotatably provided in the base (1), an installation hole (511) is provided on the lock catch (5) and located between the rotation shaft and the abutment foot (51), one end of the push rod (113) is movably inserted on the connection hole (1122) and the other end is movably inserted on installation hole (511).
  3. The contact operation mechanism of the circuit breaker according to claim 1 or 2, wherein the lock catch (5) and the moving contact installation base (6) share a rotation shaft which is rotatably provided in the base (1), a second spring base (62) is provided on one side of the moving contact installation base (6) departing from the handle (2) and located above the rotation shaft, one end of the spring (8) abuts against the second spring base (62), and the other end abuts against a side wall of the base (1).
  4. The contact operation mechanism of the circuit breaker according to claim 2, wherein a fan-shaped notch (1123) is set on one side of the connection hole (1122) of the sliding block (112) facing the lock catch (5), and the push rod (113) is inserted into the connection hole (112) by means of the fan-shaped notch (1123).
  5. The contact operation mechanism of the circuit breaker according to claim 1 or 2, wherein a moving contact resettlement groove (61) is provided on the moving contact installation base (6), a convex column (611) and a slant hole (612) are provided on the moving contact resettlement groove (61), a fixing hole and an oblique through hole that are respectively corresponding to the convex column (611) and the slant hole (612) are provided on the moving contact (7), and the fixing hole of the moving contact (7) is settled in the resettlement groove (61) and then is fixedly provided in resettlement groove (61) after hot riveting by means of the convex column (611).
EP19746886.1A 2018-02-02 2019-01-08 Contact operating mechanism of circuit breaker Active EP3748665B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810106100.0A CN108198736B (en) 2018-02-02 2018-02-02 Contact operating mechanism of circuit breaker
PCT/CN2019/070875 WO2019149038A1 (en) 2018-02-02 2019-01-08 Contact operating mechanism of circuit breaker

Publications (3)

Publication Number Publication Date
EP3748665A1 EP3748665A1 (en) 2020-12-09
EP3748665A4 EP3748665A4 (en) 2021-11-03
EP3748665B1 true EP3748665B1 (en) 2023-09-06

Family

ID=62592020

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19746886.1A Active EP3748665B1 (en) 2018-02-02 2019-01-08 Contact operating mechanism of circuit breaker

Country Status (6)

Country Link
EP (1) EP3748665B1 (en)
CN (1) CN108198736B (en)
AU (1) AU2019215324B2 (en)
ES (1) ES2964485T3 (en)
HU (1) HUE064035T2 (en)
WO (1) WO2019149038A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108198736B (en) * 2018-02-02 2024-04-12 浙江奥来电器有限公司 Contact operating mechanism of circuit breaker
CN110534382A (en) * 2019-09-25 2019-12-03 周义才 A kind of DPN air switch or leakage switch dynamic contact mechanism
CN112582232A (en) * 2020-12-25 2021-03-30 浙江奥来电器有限公司 Linkage device of lock catch and moving contact of circuit breaker
CN112530757A (en) * 2020-12-25 2021-03-19 浙江奥来电器有限公司 Moving contact operating mechanism of circuit breaker
CN112530758A (en) * 2020-12-25 2021-03-19 浙江奥来电器有限公司 Circuit breaker
CN117393394B (en) * 2023-12-12 2024-03-12 苏州普兆新能源设备有限公司 Switching-on and switching-off mechanism for circuit breaker

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4459572A (en) * 1982-09-10 1984-07-10 Eaton Corporation Circuit breaker with improved latch trip mechanism
CN201007977Y (en) * 2006-11-21 2008-01-16 厦门士林电机有限公司 Operating mechanism of circuit-breaking switch
CN104241038B (en) * 2014-08-28 2016-06-01 三信国际电器上海有限公司 The operating mechanism of a kind of small-sized isolating switch
CN205542653U (en) * 2016-04-14 2016-08-31 乐清市智顺电气有限公司 Electrical protective device's operating device
CN205564679U (en) * 2016-04-27 2016-09-07 乐清市也为电气有限公司 Moving contact operating device of electric leakage circuit breaker
CN105845521A (en) * 2016-05-31 2016-08-10 乐清市也为电气有限公司 Moving contact operating mechanism of small-size circuit breaker
CN207765387U (en) * 2018-02-02 2018-08-24 乐清市也为电气有限公司 A kind of contact operating mechanism of breaker
CN108198736B (en) * 2018-02-02 2024-04-12 浙江奥来电器有限公司 Contact operating mechanism of circuit breaker

Also Published As

Publication number Publication date
WO2019149038A1 (en) 2019-08-08
AU2019215324B2 (en) 2020-11-05
ES2964485T3 (en) 2024-04-08
EP3748665A4 (en) 2021-11-03
AU2019215324A1 (en) 2020-06-11
CN108198736A (en) 2018-06-22
EP3748665A1 (en) 2020-12-09
CN108198736B (en) 2024-04-12
HUE064035T2 (en) 2024-02-28

Similar Documents

Publication Publication Date Title
EP3748665B1 (en) Contact operating mechanism of circuit breaker
KR101494794B1 (en) Safety Shutter of Vacuum Circuit Breaker
US2489895A (en) Release mechanism for articulated lever wrenches
CN109950103A (en) A kind of circuit breaker operation mechanism and breaker
EP1473754B1 (en) Latch mechanism for locking a switch axis and electrical switch with such a latch mechanism
KR20070040288A (en) Auxiliary roller
CN209357690U (en) A kind of small type circuit breaker operating mechanism and miniature circuit breaker
WO2016107364A1 (en) Adjustable thermal tripping device for miniature circuit breaker
CN111933492B (en) Operating mechanism of circuit breaker
WO2016173463A1 (en) Thermomagnetic protection device, thermal protection component and magnetic protection component
EP3333874B1 (en) Circuit breaker interlocking apparatus
EP3023566A1 (en) Diagonal draw bar structure having micro ventilation function
JP4863373B2 (en) Circuit breaker for wiring
WO2017097191A1 (en) Overload protection mechanism with long delay
JP2007009603A (en) Fixed type stay
US2031458A (en) Operating mechanism
TWM617205U (en) Touchpad mechanism
KR100434327B1 (en) the outside operating handle system for circuit breaker
CN206685335U (en) A kind of breaker of this trip gear of trip gear and application
CN111477513A (en) Plug-in circuit breaker
CN212968751U (en) Cubical switchboard heat dissipation mechanism
US2384802A (en) Circuit breaker
DE830974C (en) Switching device for self-switch with neutral contacts
US8186398B2 (en) Electric router
DE10243597B4 (en) breakers

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20200818

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20211006

RIC1 Information provided on ipc code assigned before grant

Ipc: H01H 73/04 20060101ALI20210930BHEP

Ipc: H01H 71/10 20060101AFI20210930BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20230403

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: ZHEJIANG AOELEC ELECTRICAL CO., LTD

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602019036821

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: NL

Ref legal event code: FP

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG9D

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GR

Payment date: 20231228

Year of fee payment: 6

Ref country code: GB

Payment date: 20231207

Year of fee payment: 6

REG Reference to a national code

Ref country code: GR

Ref legal event code: EP

Ref document number: 20230402373

Country of ref document: GR

Effective date: 20240110

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20231206

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20231226

Year of fee payment: 6

Ref country code: IE

Payment date: 20231214

Year of fee payment: 6

Ref country code: FR

Payment date: 20231215

Year of fee payment: 6

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 1609689

Country of ref document: AT

Kind code of ref document: T

Effective date: 20230906

REG Reference to a national code

Ref country code: HU

Ref legal event code: AG4A

Ref document number: E064035

Country of ref document: HU

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2964485

Country of ref document: ES

Kind code of ref document: T3

Effective date: 20240408

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240106

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20240206

Year of fee payment: 6

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240106

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240108

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: HU

Payment date: 20240104

Year of fee payment: 6

Ref country code: DE

Payment date: 20231221

Year of fee payment: 6

Ref country code: CY

Payment date: 20240103

Year of fee payment: 6

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 20240124

Year of fee payment: 6