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WO2018141866A1 - Disjoncteur mono-étage - Google Patents

Disjoncteur mono-étage Download PDF

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Publication number
WO2018141866A1
WO2018141866A1 PCT/EP2018/052557 EP2018052557W WO2018141866A1 WO 2018141866 A1 WO2018141866 A1 WO 2018141866A1 EP 2018052557 W EP2018052557 W EP 2018052557W WO 2018141866 A1 WO2018141866 A1 WO 2018141866A1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit breaker
accommodation chamber
circuit board
assembly
stage circuit
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.)
Ceased
Application number
PCT/EP2018/052557
Other languages
English (en)
Inventor
Chang Chun Hu
Jean-Mary Martel
Shou Qi XU
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Priority to EP18702694.3A priority Critical patent/EP3577675B1/fr
Publication of WO2018141866A1 publication Critical patent/WO2018141866A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
    • 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
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H71/0207—Mounting or assembling the different parts of the circuit breaker
    • 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
    • H01H71/1045—Multiple circuits-breaker, e.g. for the purpose of dividing current or potential drop
    • 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
    • H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
    • H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
    • 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
    • H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/50—Means for detecting the presence of an arc or discharge
    • 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
    • H01H2083/201—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 abnormal electrical condition being an arc fault
    • 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
    • H01H71/1027—Interconnected mechanisms comprising a bidirectional connecting member actuated by the opening movement of one pole to trip a neighbour pole

Definitions

  • the present invention relates to a low-voltage circuit breaker, and more particularly to a single-stage circuit breaker .
  • the low-voltage circuit breaker is a switch appliance which can not only connect and
  • the low- voltage circuit breaker further has, in a circuit, some protection functions, such as overload, short circuit, under-voltage and leakage protection.
  • the miniature circuit breaker referred to as MCB for short
  • MCB the miniature circuit breaker
  • the residual current device referred to as RCD for short, having over-current protection, can quickly cut off the fault power in a short time to protect the safety of people and electrical equipment, playing the function of overload, short circuit and leakage protection.
  • the arc fault detection device is also an electric line protection device, and the main function thereof is to detect and identify a dangerous grounding arc fault, a parallel arc fault and a series arc fault, and to drive an action of a device for disconnecting the current in a timely manner, so as to prevent the occurrence of electrical fire.
  • AFDD electric line protection device
  • the advantages of small size and strong function are achieved, and a leakage current protection function is integrated, so that automatic monitoring and protection of fault arc and leakage current are achieved, effectively guaranteeing the safety of low-voltage power distribution lines and electrical equipment as well people.
  • An object of the present invention is to provide a single-stage circuit breaker, which can not only meet the requirements for arc fault detection, leakage protection and overload over-current protection at the same time, but also can ensure the compactness of the internal structural layout of the circuit breaker.
  • the present invention provides a single-stage circuit breaker, comprising a shell comprising a first housing, a second housing and a mounting housing located
  • first accommodation chamber being formed between the first housing and the mounting housing
  • second accommodation chamber being formed between the second housing and the mounting housing
  • electromagnetic trip device arranged in the first accommodation chamber; a first contact assembly and a first execution assembly used for cooperating with the electromagnetic trip device and located at one side of the first accommodation chamber; an arc extinguishing device accommodated between the electromagnetic
  • a thermal protection and arc fault detection device located near the arc extinguishing device and in the first accommodation chamber; an arc fault and leakage trip device arranged in the second accommodation chamber; a second contact assembly and a second execution assembly used for cooperating with the arc fault and leakage trip device and located at one side of the second
  • the single-stage circuit breaker has a first current path and a second current path, the first current path being located in the first accommodation chamber, and the second current path being located in the second accommodation chamber.
  • circuit board assembly In a yet further exemplary embodiment of the single- stage circuit breaker, the circuit board assembly
  • first circuit board comprises a first circuit board and a second circuit board, wherein the first circuit board is accommodated in the first accommodation chamber, and the second circuit board is accommodated in the second accommodation
  • the single-stage circuit breaker further comprises an auxiliary contact assembly, which is arranged inside the second accommodation chamber for effecting safe electrical isolation of the circuit board assembly, thereby improving the safety and reliability of the entire circuit breaker.
  • the first circuit board and the second circuit board are arranged in parallel to each other and at least partially overlap in a vertical direction.
  • the first circuit board and the second circuit board can be integrated as a whole.
  • the single-stage circuit breaker further comprises a multi-function button module arranged at a side portion of the shell for state displaying and function testing of the single-stage circuit breaker.
  • the single-stage circuit breaker further comprises a snap rail connection assembly arranged at an end portion of the shell for detachably connecting the single-stage circuit breaker to a corresponding snap rail, in order to increase the flexibility and
  • the shell has a width of 18 mm.
  • Fig. 1 is a schematic diagram of the external
  • FIG. 2 is a schematic structural diagram of an L pole of the single-stage circuit breaker in Fig. 1 ;
  • Fig. 3 is a schematic structural diagram of an N pole of the single-stage circuit breaker in Fig. 1 ;
  • Fig. 4 is a schematic diagram of six-view orthogonal configurations of the single-stage circuit breaker in
  • Fig. 5 is a schematic exploded structural diagram of the single-stage circuit breaker in Fig. 1.
  • Second circuit board 182 Auxiliary contact assembly 50 Locking member 20 First housing 41
  • Second execution assembly 21 Mounting housing 43
  • the same last two digits denote structurally identical or structurally similar but functionally identical components.
  • Fig. 1 shows a schematic structural diagram of a single-stage circuit breaker of an embodiment of the present application.
  • the single-stage circuit breaker comprises a shell.
  • the shell comprises a first housing 41, a second housing 42, and a mounting housing 43 located therebetween.
  • a first accommodation chamber is formed between the first housing 41 and the mounting housing 43.
  • a second accommodation chamber is formed between the second housing 42 and the mounting housing 43.
  • the single-stage circuit breaker has a first current path and a second current path, wherein the first current path is located in the first accommodation chamber, and the second current path is located in the second
  • the single-stage circuit breaker further comprises an electromagnetic trip device 13, a first contact assembly 16, a first execution assembly 11, an arc extinguishing device 15, a thermal protection and arc fault detection device 17, an arc fault and leakage trip device 23, a second contact assembly 26, a second execution assembly 21, a circuit board assembly 18, and an auxiliary contact assembly 50.
  • the first execution assembly 11 and the second execution assembly 21 move simultaneously with an operating handle 32 via a common driving member 31.
  • the electromagnetic trip device 13 is arranged in the first accommodation chamber, and the first contact assembly 16 and the first execution assembly 11 are used for cooperating with the electromagnetic trip device 13 and are located at one side of the first accommodation chamber, for effecting over-current protection of the circuit breaker.
  • the arc extinguishing device 15 is accommodated between the electromagnetic protection device 13 and the first contact assembly 16, in order to facilitate the rapid extinction of the arc.
  • the thermal protection and arc fault detection device 17 is arranged near the arc extinguishing device 15 and located in the first
  • the thermal protection and arc fault detection device 17 is used for realizing overload protection of the circuit breaker and can detect an arc fault in a timely manner and then perform a tripping action .
  • the arc fault and leakage trip device 23 is arranged in the second accommodation
  • the second contact assembly 26 and the second execution assembly 21 are used for cooperating with the arc fault and leakage trip device 23 and are located at one side of the second accommodation chamber, for effecting leakage protection and arc fault protection of the circuit breaker.
  • first execution assembly 11 and the second execution assembly 21 move simultaneously with an operating handle 32 via a common driving member 31.
  • first execution assembly 11 and the second execution assembly 21 can be respectively actuated by the action of the handle 32, and then the first contact assembly 16 and the second contact assembly 26 are respectively actuated.
  • An L-pole main switch formed between a movable contact and a stationary contact in the first contact assembly 16 serves to control the
  • An N-pole main switch formed between a stationary contact and a movable contact in the second contact assembly 26 serves to control the connection and disconnection of an N-pole main loop.
  • the circuit board assembly 18 of the present application can be used for realizing both arc fault handling and leakage protection functions at the same time.
  • the circuit board assembly 18 comprises a first circuit board 181 and a second circuit board 182, wherein the first circuit board 181 is accommodated in the first
  • the second circuit board 182 is accommodated in the second accommodation chamber, in order to better achieve the compactness of the internal structure of the circuit breaker.
  • the single-stage circuit breaker further comprises an auxiliary contact assembly 50 arranged inside the second accommodation chamber for effecting safe electrical isolation of the circuit board assembly.
  • one end of the auxiliary contact assembly 50 is electrically connected to the second circuit board 182, and the other end of the auxiliary contact assembly 50 can be disconnected from or connected to the second contact assembly 26.
  • the presence of the auxiliary contact assembly 50 is equivalent to the addition of an auxiliary switch between the circuit board assembly 18 and a right-hand wiring terminal. This allows a current loop on the board assembly 18 to be independent of the L-pole main loop and the N-pole main loop,
  • circuit breaker When the circuit breaker is in an ON state, an L-pole main switch and an N-pole main switch are in a switching-on state, the auxiliary switch is also in a switching-on state, and the circuit breaker works
  • auxiliary switch is also in a switching-off state, so that the circuit board assembly 18 is electrically isolated dually. Therefore, by controlling the switching on/off of the auxiliary switch, the circuit board
  • circuit board assembly 18 can be safely and electrically isolated and the circuit board assembly 18 can be effectively
  • the first circuit board 181 and the second circuit board 182 are arranged in parallel to each other and at least partially overlap in a vertical direction. It is to be understood that, as an optional embodiment, the first circuit board 181 and the second circuit board 182 can also be integrated as a whole .
  • the single-stage circuit breaker further comprises a multi-function button module 12 arranged at a side portion of the shell for state displaying and function testing of the single-stage circuit breaker.
  • the single-stage circuit breaker further comprises a snap rail connection assembly arranged at an end portion of the shell for detachably connecting the single-stage circuit breaker to a corresponding snap rail, in order to increase the flexibility and
  • the snap rail connection assembly further comprises a locking member 20 and a sliding member 30.
  • the shell has a width of 18 mm.
  • the circuit breaker of the present application can better meet various requirements for line protection, and can not only combine various line protection functions such as detection of leakage, over-current and

Landscapes

  • Breakers (AREA)

Abstract

La présente invention concerne un disjoncteur mono-étage. Le disjoncteur mono-étage comprend une coque; un premier ensemble de contact et un premier ensemble d'exécution utilisés pour coopérer avec un dispositif de déclenchement électromagnétique; un dispositif d'extinction d'arc logé entre un dispositif de protection électromagnétique et le premier ensemble de contact; un dispositif de protection thermique et de détection de défaut d'arc situé à proximité du dispositif d'extinction d'arc et dans une première chambre de logement; un dispositif de déclenchement de défaut d'arc et de fuite disposé dans une seconde chambre de logement; un second ensemble de contact et un second ensemble d'exécution utilisés pour coopérer avec le dispositif de déclenchement de défaut d'arc et de fuite et situés sur un côté de la seconde chambre de logement; et un ensemble carte de circuit imprimé pour la gestion de défauts d'arc et la protection contre les fuites. Le disjoncteur mono-étage de la présente invention peut non seulement satisfaire aux exigences de détection de défaut d'arc, de protection contre les fuites et de protection contre les surintensités en même temps, mais peut également assurer la compacité de l'agencement structural interne du disjoncteur.
PCT/EP2018/052557 2017-02-04 2018-02-01 Disjoncteur mono-étage Ceased WO2018141866A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18702694.3A EP3577675B1 (fr) 2017-02-04 2018-02-01 Disjoncteur mono-étage

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710064294.8 2017-02-04
CN201710064294.8A CN108400066B (zh) 2017-02-04 2017-02-04 单级断路器

Publications (1)

Publication Number Publication Date
WO2018141866A1 true WO2018141866A1 (fr) 2018-08-09

Family

ID=61148248

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/052557 Ceased WO2018141866A1 (fr) 2017-02-04 2018-02-01 Disjoncteur mono-étage

Country Status (3)

Country Link
EP (1) EP3577675B1 (fr)
CN (1) CN108400066B (fr)
WO (1) WO2018141866A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202019001746U1 (de) 2019-04-17 2019-05-20 Siemens Aktiengesellschaft Kompakt-Schutzschaltgerät
EP4064313A1 (fr) * 2021-03-26 2022-09-28 Schneider Electric Industries SAS Dispositif de protection électrique et tableau électrique comprenant un tel dispositif de protection électrique
EP4242044A4 (fr) * 2021-03-12 2024-05-15 Xi'an Linchr New Energy Technology Co., Ltd. Ensemble de charge à courant alternatif et dispositif de charge à courant alternatif

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111584320A (zh) * 2019-02-19 2020-08-25 俊郎电气有限公司 一种小型漏电接地故障保护断路器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070268098A1 (en) * 2006-05-19 2007-11-22 General Electric Company Space allocation for switching apparatus
EP2242077A2 (fr) * 2009-04-18 2010-10-20 General Electric Company Attribution d'espace dans un disjoncteur
EP2840587A1 (fr) * 2013-08-19 2015-02-25 Siemens Industry, Inc. Disjoncteurs électroniques à profil bas, systèmes et procédés associés
US20150068881A1 (en) * 2013-09-11 2015-03-12 Siemens Industry, Inc. Two-pole circuit breaker with trip bar apparatus and methods

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201181681Y (zh) * 2008-04-14 2009-01-14 上海益而益电器制造有限公司 脱扣装置和带有这种装置的漏电保护插座

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070268098A1 (en) * 2006-05-19 2007-11-22 General Electric Company Space allocation for switching apparatus
EP2242077A2 (fr) * 2009-04-18 2010-10-20 General Electric Company Attribution d'espace dans un disjoncteur
EP2840587A1 (fr) * 2013-08-19 2015-02-25 Siemens Industry, Inc. Disjoncteurs électroniques à profil bas, systèmes et procédés associés
US20150068881A1 (en) * 2013-09-11 2015-03-12 Siemens Industry, Inc. Two-pole circuit breaker with trip bar apparatus and methods

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202019001746U1 (de) 2019-04-17 2019-05-20 Siemens Aktiengesellschaft Kompakt-Schutzschaltgerät
EP3726560A1 (fr) 2019-04-17 2020-10-21 Siemens Aktiengesellschaft Disjoncteur de protection compact
EP4242044A4 (fr) * 2021-03-12 2024-05-15 Xi'an Linchr New Energy Technology Co., Ltd. Ensemble de charge à courant alternatif et dispositif de charge à courant alternatif
EP4064313A1 (fr) * 2021-03-26 2022-09-28 Schneider Electric Industries SAS Dispositif de protection électrique et tableau électrique comprenant un tel dispositif de protection électrique
FR3121273A1 (fr) * 2021-03-26 2022-09-30 Schneider Electric Industries Sas Dispositif de protection électrique et tableau électrique comprenant un tel dispositif de protection électrique

Also Published As

Publication number Publication date
EP3577675A1 (fr) 2019-12-11
CN108400066B (zh) 2020-04-21
CN108400066A (zh) 2018-08-14
EP3577675B1 (fr) 2022-08-17

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