WO2022205758A1 - Manette à liaisons multiples pour disjoncteur - Google Patents

Manette à liaisons multiples pour disjoncteur Download PDF

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Publication number
WO2022205758A1
WO2022205758A1 PCT/CN2021/114978 CN2021114978W WO2022205758A1 WO 2022205758 A1 WO2022205758 A1 WO 2022205758A1 CN 2021114978 W CN2021114978 W CN 2021114978W WO 2022205758 A1 WO2022205758 A1 WO 2022205758A1
Authority
WO
WIPO (PCT)
Prior art keywords
handle
linkage
circuit breaker
intermittent
hidden
Prior art date
Application number
PCT/CN2021/114978
Other languages
English (en)
Chinese (zh)
Inventor
刘锋
Original Assignee
英特曼电工（常州）有限公司
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 英特曼电工（常州）有限公司 filed Critical 英特曼电工（常州）有限公司
Priority to EP21844613.6A priority Critical patent/EP4089708B1/fr
Publication of WO2022205758A1 publication Critical patent/WO2022205758A1/fr

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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
    • H01H71/1009—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
    • 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
    • H01H71/1018—Interconnected mechanisms with only external interconnections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
    • H01H83/22—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages

Definitions

  • the utility model relates to the technical field of circuit breakers, in particular to a multi-linkage handle for circuit breakers.
  • Residual current circuit breaker also known as residual current circuit breaker and residual current protector
  • the leakage protection circuit breaker generally includes a casing, and the circuit breaker device and the leakage protection device are distributed in the casing.
  • the circuit breaker device is used to control the on-off of the moving contact and the static contact during short circuit, overload or infrequent starting of the line.
  • the leakage protection device is used to control the on-off of moving contacts and static contacts when leakage occurs.
  • Both the circuit breaker device and the leakage protection device are provided with handles, and when the circuit breaker is equipped with two or more phases, the number of handles increases accordingly.
  • one handle controls the operation of a group of circuit breakers.
  • the mechanism increases the number of handles, on the other hand, when the circuit breaker has multiple phases, it is difficult to achieve synchronous manual control, and it must be closed one by one, which is cumbersome to operate.
  • the technical problem to be solved by the utility model is to provide a multi-link handle for circuit breaker, which can realize the control of the two-phase circuit breaker operating mechanism by one handle, reduce the number of operating handles and save space.
  • a multi-linkage handle for circuit breakers comprising a first handle, the middle of the first handle is linked with a hinged linkage shaft hinged on the circuit breaker housing, characterized in that , the hinged linkage shaft is linked with a hidden handle relative to the other end of the linkage first handle, an intermittent linkage mechanism is arranged between the hidden handle and the first handle, and the hidden handle can be connected with the first handle through the intermittent linkage mechanism
  • the handle realizes intermittent linkage.
  • a first handle, a hidden handle and an intermittent linkage mechanism are provided, and the multi-phase circuit breaker can be controlled by controlling the first handle, so that one handle can control two
  • the phase circuit breaker operating mechanism reduces the number of operating handles, simplifies the structure, and saves installation space.
  • the above-mentioned multi-linkage handle for a circuit breaker can be further configured as follows: the intermittent linkage mechanism includes a second handle sleeved on the outer periphery of the hidden handle, the second handle is provided with an intermittent linkage area, and the hidden handle corresponds to The intermittent linkage area is provided with a bump, and the intermittent linkage mechanism further includes a connecting component arranged between the first handle and the second handle, and the first handle can drive the second handle to realize synchronous operation through the connecting component.
  • the second handle can work synchronously with the first handle through the connection assembly, so that one handle can control the two-phase circuit breaker, and further through the intermittent linkage area and the cooperation relationship between the two bumps, the circuit breaker device can be realized.
  • Intermittent linkage with the leakage protection device is realized according to the actual situation; for example, if no leakage occurs, when the circuit breaker device is opened normally, the intermittent linkage area rotates in the effective rotation direction, and the bump does not occur in the intermittent linkage area at this time.
  • the leakage protection device works to hide the handle and push the end of the intermittent linkage area through the bump , and then the second handle drives the first handle to rotate, the closing is completed, and the circuit is protected.
  • the above-mentioned multi-linkage handle for a circuit breaker may be further configured as follows: the connecting assembly includes a connecting rod whose two ends are respectively fixedly connected to the first handle and the second handle.
  • the purpose of the coupling rod is to realize synchronous linkage between the first handle and the second handle.
  • the above-mentioned multi-linkage handle for a circuit breaker may be further configured as follows: an indicator block is provided on the outer periphery of the first handle.
  • the indicating block can perform an indicating function for opening and closing, which is convenient for people to observe.
  • Fig. 1 is the structural representation of the utility model embodiment
  • FIG. 2 is a schematic diagram of the second handle in the embodiment of the present invention.
  • FIG. 3 is a schematic diagram of a hidden handle in an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a first handle in an embodiment of the present invention.
  • a multi-linkage handle for a circuit breaker includes a first handle 1, and the middle of the first handle 1 is linked with a hinged linkage shaft 2 hinged on the circuit breaker casing (the linkage shaft 2 is the casing The handle fixing shaft protruding above), the hinged linkage shaft 2 is linked with a hidden handle 3 relative to the other end of the linkage first handle 1, and an intermittent linkage mechanism is arranged between the hidden handle 3 and the first handle 1, The hidden handle 3 can be intermittently linked with the first handle 1 through an intermittent linkage mechanism.
  • the intermittent linkage mechanism includes a second handle 4 sleeved on the outer periphery of the hidden handle 3 , the second handle 4 is provided with an intermittent linkage area 41 , and the hidden handle 3 is provided with a protrusion corresponding to the intermittent linkage area 41 .
  • the intermittent linkage mechanism further includes a connecting component disposed between the first handle 1 and the second handle 4, and the first handle 1 can drive the second handle 4 to achieve synchronous operation through the connecting component.
  • the connecting assembly includes a connecting rod 5 whose two ends are relatively and fixedly connected with the first handle 1 and the second handle 4 respectively.
  • the outer periphery of the first handle 1 is provided with an indicator block 6 .
  • the leakage protection device works to drive the hidden handle 3 to rotate in the opposite direction of the effective operation of the first handle 1, and the bump 31 pushes the end of the intermittent linkage area 41, and then the second handle 4 Following the rotation of the hidden handle 3, the connecting rod 5 drives the first handle 1 to rotate, the closing is completed, and the circuit is protected.
  • a first handle 1, a hidden handle 3, and an intermittent linkage mechanism are provided, and the multi-phase circuit breaker can be controlled by controlling the first handle 1, so that one handle can control the operating mechanism of the two-phase circuit breaker. , reduce the number of operating handles, simplify the structure, and save installation space.

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  • Breakers (AREA)

Abstract

Le modèle d'utilité concerne une manette à liaisons multiples pour un disjoncteur, comprenant une première manette, dont la partie médiane est reliée à une tige de liaison articulée reliée de manière articulée à une coque du disjoncteur, la tige de liaison articulée étant reliée à une manette cachée par rapport à l'autre extrémité de la première manette liée, un mécanisme de liaison intermittente est disposé entre la manette cachée et la première manette, et la manette cachée peut réaliser une liaison intermittente avec la première manette au moyen du mécanisme de liaison intermittente. Le modèle d'utilité présente les effets bénéfiques suivants : une manette à liaisons multiples pour un disjoncteur est obtenue, qui peut mettre en œuvre une manette pour commander un mécanisme d'actionnement de disjoncteur à deux phases, réduire la manette d'actionnement et économiser de l'espace.
PCT/CN2021/114978 2021-03-31 2021-08-27 Manette à liaisons multiples pour disjoncteur WO2022205758A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP21844613.6A EP4089708B1 (fr) 2021-03-31 2021-08-27 Manette à liaisons multiples pour disjoncteur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202120661910.X 2021-03-31
CN202120661910.XU CN214542093U (zh) 2021-03-31 2021-03-31 一种断路器用多联动手柄

Publications (1)

Publication Number Publication Date
WO2022205758A1 true WO2022205758A1 (fr) 2022-10-06

Family

ID=78265740

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/114978 WO2022205758A1 (fr) 2021-03-31 2021-08-27 Manette à liaisons multiples pour disjoncteur

Country Status (3)

Country Link
EP (1) EP4089708B1 (fr)
CN (1) CN214542093U (fr)
WO (1) WO2022205758A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5648646A (en) * 1995-06-19 1997-07-15 Reliance Time Controls, Inc. Circuit breaker linkage assembly
CN202772072U (zh) * 2012-08-28 2013-03-06 乐清市荣凯电气有限公司 具有双极滚针的设备用断路器
CN207624640U (zh) * 2017-09-30 2018-07-17 江苏明及电气股份有限公司 一种用于断路器的隐藏式手柄结构
CN208336119U (zh) * 2018-07-23 2019-01-04 乐清市冉扬电气有限公司 两极漏电断路器
CN211605056U (zh) * 2020-02-28 2020-09-29 上海良信电器股份有限公司 剩余电流动作断路器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5648646A (en) * 1995-06-19 1997-07-15 Reliance Time Controls, Inc. Circuit breaker linkage assembly
CN202772072U (zh) * 2012-08-28 2013-03-06 乐清市荣凯电气有限公司 具有双极滚针的设备用断路器
CN207624640U (zh) * 2017-09-30 2018-07-17 江苏明及电气股份有限公司 一种用于断路器的隐藏式手柄结构
CN208336119U (zh) * 2018-07-23 2019-01-04 乐清市冉扬电气有限公司 两极漏电断路器
CN211605056U (zh) * 2020-02-28 2020-09-29 上海良信电器股份有限公司 剩余电流动作断路器

Also Published As

Publication number Publication date
CN214542093U (zh) 2021-10-29
EP4089708A1 (fr) 2022-11-16
EP4089708B1 (fr) 2023-11-15
EP4089708C0 (fr) 2023-11-15

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