CN102280319B - Switch, especially breaker applied in low voltage - Google Patents

Switch, especially breaker applied in low voltage Download PDF

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Publication number
CN102280319B
CN102280319B CN201110144044.8A CN201110144044A CN102280319B CN 102280319 B CN102280319 B CN 102280319B CN 201110144044 A CN201110144044 A CN 201110144044A CN 102280319 B CN102280319 B CN 102280319B
Authority
CN
China
Prior art keywords
switch
trigger
short
circuit
signal
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.)
Expired - Fee Related
Application number
CN201110144044.8A
Other languages
Chinese (zh)
Other versions
CN102280319A (en
Inventor
M.弗赖姆特
S.莱曼
M.波勒斯
J.雷纳
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
Original Assignee
Siemens AG
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 filed Critical Siemens AG
Publication of CN102280319A publication Critical patent/CN102280319A/en
Application granted granted Critical
Publication of CN102280319B publication Critical patent/CN102280319B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H01H71/04Means for indicating condition of the switching device
    • 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
    • H01H71/04Means for indicating condition of the switching device
    • H01H2071/042Means for indicating condition of the switching device with different indications for different conditions, e.g. contact position, overload, short circuit or earth leakage
    • 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
    • H01H71/40Combined electrothermal and electromagnetic 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
    • H01H71/46Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts
    • 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

Landscapes

  • Breakers (AREA)
  • Push-Button Switches (AREA)

Abstract

The invention relates to a switch applied for breaking a circuit during a short circuit, especially to a breaker applied in a low voltage. The breaker comprises switch contacts. An electric current flows through the switch contacts which are separated during a short circuit. The breaker further comprises a trigger comprising an electromagnet. At least a part of the electric current flows through the electromagnet which has a trigger element (2) moved to a trigger position during a short circuit. The trigger element operates switch units in the trigger position so as to separate the switch contacts. In order to provide a signal switching module capable of sending short circuit trigger signals, it is notified that the signal switching module inserted into the switch comprises a locking element (5) and a movable signal element (3). During a short circuit, the locking element (5) moves from a locking position to a releasing position. The locking element, when located on the trigger position, further releases the signal element (3) to a signal position (3). Furthermore, the locking element moves to the releasing position through the trigger element during a short circuit.

Description

Switch, circuit breaker especially for low pressure
Technical field
The present invention relates to a kind of switch, circuit breaker especially for low pressure.
Background technology
Low-voltage circuit breaker is usually known and impel and interrupt flowing through the electric current of switch when overcurrent or short circuit.Electric current flows through switch contact, and this switch contact is separated from one another when overcurrent or short circuit.Trigger is for separating of switch contact, and electric current flows through the electromagnet of this trigger equally, and the relatively large magnetic force moving slider of trigger in a short-circuit situation owing to producing at this.The switch lock of slide block to pretension has an impact, and switch contact is separated by switch lock.
Such trigger, in order to identify that overcurrent almost always has additional hot cell, therefore can not identify whether overcurrent or short circuit cause switch triggering in addition without problems.
Summary of the invention
The object of the invention is to, providing the signaling switch module for sending short circuit triggering signal that can install additional.
This object is realized by a kind of switch for interruptive current in a short-circuit situation,
Have switch contact, electric current flows through described switch contact, and switch contact is separated from one another when short circuit; And
There is trigger, this trigger has electromagnet, electric current flow through this electromagnet at least partially, and the magnetic force of this electromagnet makes trigger element move in trigger position when short circuit, in this trigger position, trigger element switch-unit is with separating switch contact, wherein the signaling switch module inserted in switch has locking member and mobile signal element, wherein locking member moves to off-position when short circuit from latched position, in this off-position, locking member release signal element moves in signal location, and wherein locking member moves in its off-position when short circuit by trigger element, it is characterized in that, described locking member is configured to rotationally supported release lever, and trigger element is configured to trigger slide block, wherein trigger slide block and there is space, release lever one end is swinging into described space when triggering slide block and being arranged in its trigger position, and the other end release signal element of release lever.
Solution proposes, the signaling switch module inserted in switch has locking member and mobile signal element, wherein locking member moves to off-position from latched position, in this off-position, locking member release signal element moves in signal location, and locking member is moved in its off-position by trigger element when short circuit.Therefore core concept of the present invention is, make the locking member of signaling switch module and the existing trigger element acting in conjunction of switch, i.e. trigger element release locking member, thus make signal element can show short circuit or such as can trigger display by control switch.
A technically simple execution mode proposition, locking member is configured to rotationally supported release lever and trigger element is configured to trigger slide block, wherein trigger slide block and there is space or contraction flow region, release lever one end is swinging into described space or contraction flow region when triggering slide block and being arranged in its trigger position, and the other end release signal element of release lever.
Spring force guarantees that the signal element discharged moves in signal location in the simplest situations.
Propose in order to display short circuit approximate in place far away arbitrarily triggers, signal element operates electric signal switch by means of spring force.
In order to show short circuit and avoid by mistake turn on-switch and proposing again simultaneously, spring force outwards promotes to confirm and display button through the signal element of release, the confirmation of outside promotion and display button display short circuit trigger, and by pressing confirmation and display button, signal element and trigger element are retracted again by locking member.
Compatibly, locking member can move in latched position when signal element is retracted again.
Simple execution mode proposes technically, and signal element is configured to tappet.
Accompanying drawing explanation
The present invention is described in detail below with reference to accompanying drawing.Shown in figure:
Fig. 1 is the schematic diagram of signaling switch module,
Fig. 2 activates magnetic when short circuit according to Fig. 1 to trigger the signaling switch module after slide block,
Fig. 3 is the end view of the signaling switch module 1 with additional confirmation and display button,
Fig. 4 is confirmation according to Fig. 3 and display button, and
Fig. 5 is that signaling switch module 1 is inserted in the switch.
Embodiment
Fig. 1 shows the signaling switch module 1 for low-voltage circuit breaker (hereinafter referred to as switch) in the diagram.Switch has unshowned switch contact, and electric current flows through switch contact and switch contact is separated from one another when short circuit, with interruptive current.In addition arrange trigger in the switch, electromagnet belongs to this trigger, and this electromagnet is flow through by electric current at least partly.The trigger element 2 that the magnetic force of electromagnet makes magnetic trigger slide block 2a form in case of a short circuit moves in its trigger position.Trigger in this trigger position slide block 2a operate by the switch element of pretension (switch lock, not shown), its in known manner with method separating switch contact.
The signaling switch module 1 used by locking in the switch has the signal element 3 of tappet 3a form, and it can be bearing in signaling switch module 1 with vertically moving.Tappet 3a is by spring 4 loading force, and spring by tappet 3a in FIG upwardly.Tappet 3a movement is upwards limited by the locking member 5 of release lever 5a form; Release lever 5a is arranged in its latched position in FIG.As Fig. 1 can identify further, release lever 5a pushes up pressure by tappet 3a and triggers slide block 2a.
Trigger slide block 2a and there is trough shaped void 6, its corresponding acting in conjunction realizing three element tappet 3a, release lever 5a and trigger slide block 2a.
Fig. 2 shows the signaling switch module 1 after short circuit occurs, it has the power overcoming spring 7 by the magnetic force of electromagnet and moves to triggering slide block 2a in its trigger position.Release lever 5a utilizes one of two free end to move in depressed part 6 by tappet 3a and and then moves in its off-position and (swing in).This external trigger slide block 2a is remained in its trigger position by release lever 5a in fig. 2.Tappet 3a is moved to above it in (end) position by spring 4 again, and namely it is arranged in its signal location in fig. 2, in this position tappet top piezoelectricity signaling switch 8 and to its operation.
In signal location, the tappet 3a stretched out from signaling switch module 1 can show short circuit by extension and trigger.
Fig. 3 shows the end view of the signaling switch module 1 with confirmation and display button 9, this confirmation and display button and bolt 10 acting in conjunction extended transverse to tappet 3a, wherein on the inclined-plane 11 confirmed and display button 9 is formed, when tappet 3a moves up, confirmation and display button are removed (respectively according to Fig. 3 and upwards) to the right to the right by signaling switch module 1.The confirmation of stretching out from switch and display button 9 outwards illustrate that short circuit triggers.
Just in time can find out confirmation and display button 9 in figure 3.
On the contrary, confirmation and display button 9 movement left cause tappet 3a to move down.By pressing confirm and display button 9 tappet 3a is moved down again and while turn on-switch.
When tappet 3a retracts, release lever 5a swings in its latched position again.
Fig. 5 shows signaling switch module 1 and inserts in the switch, signaling switch module 1 be simply pushed into and locking in the switch.Subsequently (straight arrows see in Fig. 5), directly to lower pressing tappet 3a, and release lever 5a meets triggering slide block 2a, makes release lever 5a swing in its latched position thus.Again decontrol tappet 3a and by spring 4 upwardly until by backstop on release lever 5a subsequently.

Claims (9)

1. for the switch of interruptive current in a short-circuit situation,
Have switch contact, electric current flows through described switch contact, and switch contact is separated from one another when short circuit; And
There is trigger, this trigger has electromagnet, electric current flow through this electromagnet at least partially, and the magnetic force of this electromagnet makes trigger element (2) move in trigger position when short circuit, in this trigger position, trigger element switch-unit is with separating switch contact
Wherein insert and described for the signaling switch module (1) in the switch of interruptive current in a short-circuit situation, there is locking member (5) and mobile signal element (3), wherein locking member (5) moves to off-position when short circuit from latched position, in this off-position, locking member release signal element (3) moves in signal location
And wherein locking member (5) moves in its off-position when short circuit by trigger element (2),
It is characterized in that,
Described locking member (5) is configured to rotationally supported release lever (5a), and trigger element (2) is configured to trigger slide block (2a), wherein trigger slide block and there is space (6), release lever (5a) one end is swinging into described space when triggering slide block (2a) and being arranged in its trigger position, and the other end release signal element (3) of release lever (5a).
2. the switch for interruptive current in a short-circuit situation according to claim 1, it is characterized in that, the described signal element (3) of release is moved in its signal location by spring force.
3. the switch for interruptive current in a short-circuit situation according to claim 2, is characterized in that, for sending the signal element (3) of short circuit triggering signal by means of spring force operation signal switch (8).
4. the switch for interruptive current in a short-circuit situation according to Claims 2 or 3, it is characterized in that, spring force outwards promotes to confirm and display button (9) through the signal element (3) of release, the described confirmation of outside promotion and display button (9) display short circuit trigger, and by pressing confirmation and display button (9), signal element (3) and trigger element (2) are retracted again by locking member (5).
5. the switch for interruptive current in a short-circuit situation according to any one of claim 1 to 3, it is characterized in that, described locking member (5) can move in latched position when signal element (3) is retracted again.
6. the switch for interruptive current in a short-circuit situation according to any one of claim 1 to 3, it is characterized in that, described signal element (3) is configured to tappet (3a).
7. the switch for interruptive current in a short-circuit situation according to any one of claim 1 to 3, is characterized in that, described trigger element (2) to be remained in trigger position by locking member (5) and again retracts.
8. the switch for interruptive current in a short-circuit situation according to claim 1, is characterized in that, the described switch for interruptive current is in a short-circuit situation the circuit breaker for low pressure.
9. the switch for interruptive current in a short-circuit situation according to claim 1, is characterized in that, described space is the contraction flow region triggering slide block (2a).
CN201110144044.8A 2010-05-31 2011-05-31 Switch, especially breaker applied in low voltage Expired - Fee Related CN102280319B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010022596.7 2010-05-31
DE201010022596 DE102010022596A1 (en) 2010-05-31 2010-05-31 Switch, in particular circuit breaker for low voltage

Publications (2)

Publication Number Publication Date
CN102280319A CN102280319A (en) 2011-12-14
CN102280319B true CN102280319B (en) 2015-07-08

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ID=44581020

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110144044.8A Expired - Fee Related CN102280319B (en) 2010-05-31 2011-05-31 Switch, especially breaker applied in low voltage

Country Status (3)

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EP (1) EP2390895B1 (en)
CN (1) CN102280319B (en)
DE (1) DE102010022596A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012203685A1 (en) 2012-03-08 2013-09-12 Siemens Aktiengesellschaft Short-circuit signaling module for an electrical switching device and electrical switching device
DE102016123957A1 (en) 2016-12-09 2018-06-14 Eaton Industries (Austria) Gmbh breaker
CN112924899B (en) * 2019-04-22 2022-04-05 福建通力达实业有限公司 Intelligent circuit breaker with short circuit detection function

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1525513A (en) * 2003-06-24 2004-09-01 正泰集团公司 Residual current action tripping device for phase line and mid line circuit breaker
EP1659603A2 (en) * 2004-11-23 2006-05-24 ABB PATENT GmbH Device for display and signalling of tripping of a circuit breaker due to short circuit current
DE102006009228A1 (en) * 2006-02-28 2007-09-06 Siemens Ag Line safety switch, has two auxiliary terminals arranged in housing for auxiliary circuit and electrically connected with micro switch that is arranged in housing, where switch functions as switching unit for auxiliary circuit
DE102008008032A1 (en) * 2008-02-06 2009-08-13 Siemens Aktiengesellschaft Release device for releasing electrical switch, has elements that are arranged such that one of elements causes release movement of other element during execution of release movement, where latter element is moved along with former element
CN101656180A (en) * 2008-08-18 2010-02-24 湖北盛佳电器设备有限公司 Electromagnetic short circuit protection breaker

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004040288B4 (en) * 2004-08-19 2007-09-20 Siemens Ag Circuit breaker with short-circuit and overload trip indication and corresponding procedure
DE102006057648A1 (en) * 2006-12-07 2008-06-12 Abb Ag Switching device with rotary handle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1525513A (en) * 2003-06-24 2004-09-01 正泰集团公司 Residual current action tripping device for phase line and mid line circuit breaker
EP1659603A2 (en) * 2004-11-23 2006-05-24 ABB PATENT GmbH Device for display and signalling of tripping of a circuit breaker due to short circuit current
DE102006009228A1 (en) * 2006-02-28 2007-09-06 Siemens Ag Line safety switch, has two auxiliary terminals arranged in housing for auxiliary circuit and electrically connected with micro switch that is arranged in housing, where switch functions as switching unit for auxiliary circuit
DE102008008032A1 (en) * 2008-02-06 2009-08-13 Siemens Aktiengesellschaft Release device for releasing electrical switch, has elements that are arranged such that one of elements causes release movement of other element during execution of release movement, where latter element is moved along with former element
CN101656180A (en) * 2008-08-18 2010-02-24 湖北盛佳电器设备有限公司 Electromagnetic short circuit protection breaker

Also Published As

Publication number Publication date
CN102280319A (en) 2011-12-14
EP2390895B1 (en) 2016-12-28
DE102010022596A1 (en) 2011-12-01
EP2390895A1 (en) 2011-11-30

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Granted publication date: 20150708