CN102280319A - Switch, especially breaker applied in low voltage - Google Patents

Switch, especially breaker applied in low voltage Download PDF

Info

Publication number
CN102280319A
CN102280319A CN2011101440448A CN201110144044A CN102280319A CN 102280319 A CN102280319 A CN 102280319A CN 2011101440448 A CN2011101440448 A CN 2011101440448A CN 201110144044 A CN201110144044 A CN 201110144044A CN 102280319 A CN102280319 A CN 102280319A
Authority
CN
China
Prior art keywords
switch
trigger
short circuit
signal
locking member
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.)
Granted
Application number
CN2011101440448A
Other languages
Chinese (zh)
Other versions
CN102280319B (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

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
    • H01H71/04—Means for indicating condition of the switching device
    • 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
    • H01H71/04—Means for indicating condition of the switching device
    • H01H2071/042—Means for indicating condition of the switching device with different indications for different conditions, e.g. contact position, overload, short circuit or earth leakage
    • 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
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/40—Combined electrothermal and electromagnetic 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
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/46—Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts
    • 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
    • H01H71/58—Manual 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, especially for the circuit breaker of low pressure
Technical field
The present invention relates to a kind of switch as described in the preamble according to claim 1, especially for the circuit breaker of low pressure.
Background technology
Low-voltage circuit breaker is usually known and impel under the situation of overcurrent or short circuit interrupt flow to cross the electric current of switch.The electric current switch contact of flowing through, this switch contact is separated from one another when overcurrent or short circuit.Trigger is used for the separating switch contact, flow through the equally electromagnet of this trigger of electric current, and trigger under short-circuit conditions because at the relatively large magnetic force moving slider of this generation.Slide block exerts an influence to the switch lock of pretension, and switch lock separates switch contact.
Therefore such trigger almost always has additional hot cell in order to discern overcurrent, in addition can not no problem ground discerns overcurrent or whether short circuit causes switch triggering.
Summary of the invention
The objective of the invention is to, provide the signaling switch module that is used to send the short circuit triggering signal that can install additional.
This purpose realizes by the described feature of claim 1; Dependent claims has been described favourable execution mode.
Solution proposes, the signaling switch module of inserting in the switch has locking member and mobile signal element, wherein locking member moves to the off-position from latched position, locking member release signal element moves in the signal location in this off-position, and locking member moves in its off-position by triggering element when short circuit.Therefore core concept of the present invention is, make the locking member and the acting in conjunction of the existing triggering element of switch of signaling switch module, promptly trigger element and discharge locking member, show thereby make signal element can show short circuit or can for example trigger by control switch.
A technical simple execution mode proposes, locking member is configured to the release lever of swivel bearing and triggers component construction for triggering slide block, wherein trigger slide block and have space or contraction flow region, release lever one end is swinging into described space or contraction flow region when the triggering slide block is arranged in its trigger position, and the other end release signal element of release lever.
Guarantee that in the simplest situation lower spring power the signal element that discharges moves in the signal location.
In order to trigger in place far away arbitrarily approximate demonstration short circuit and to propose, signal element is by means of spring force operation signal of telecommunication switch.
In order to show short circuit and to avoid simultaneously by mistake connecting switch once more and propose, spring force outwards promotes to confirm and display button through the signal element that discharges, outwards the affirmation of promotion and display button show that short circuit triggers, and by pushing affirmation and display button signal element and triggering element are retracted once more by locking member.
Compatibly, locking member can move in the off-position when signal element is retracted once more.
Simple technically execution mode proposes, and signal element is configured to tappet.
Description of drawings
Describe the present invention in detail below with reference to accompanying drawing.Shown in the figure:
Fig. 1 is the schematic diagram of signaling switch module,
Fig. 2 activates signaling switch module after magnetic triggers slide block when the short circuit according to Fig. 1,
Fig. 3 is the end view with signaling switch module 1 of additional affirmation and display button,
Fig. 4 is according to the affirmation of 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 that is used for low-voltage circuit breaker (hereinafter to be referred as switch) in the diagram.Switch has unshowned switch contact, and flow through switch contact and switch contact of electric current is separated from one another when short circuit, with interruptive current.Arranged trigger in this external switch, electromagnet belongs to this trigger, and this electromagnet to small part is flow through by electric current.The triggering element 2 that makes magnetic trigger slide block 2a form at the magnetic force of the situation lower electromagnet of short circuit moves in its trigger position.Trigger slide block 2a operation by the switch element of pretension (switch lock, not shown) in this trigger position, it is used in known manner and method separating switch contact.
The signal element 3 that can have tappet 3a form by the signaling switch module 1 that locking uses in switch, it can be bearing in the signaling switch module 1 with vertically moving.Tappet 3a is by spring 4 loading forces, and spring is with tappet 3a upwards extruding in Fig. 1.The locking member 5 that moves through release lever 5a form that tappet 3a makes progress limits; Release lever 5a is arranged in its latched position in Fig. 1.Can further discern ground as Fig. 1, release lever 5a triggers slide block 2a by tappet 3a roof pressure.
Trigger slide block 2a and have trough shaped void 6, the corresponding acting in conjunction that it is realized three element tappet 3a, release lever 5a and triggers slide block 2a.
Fig. 2 shows in short circuit and later signaling switch module 1 occurs, and it has power that magnetic force by electromagnet overcomes spring 7 and moves to triggering slide block 2a in its trigger position.Release lever 5a utilizes one of two free end to move in the depressed part 6 by tappet 3a and and then moves in its off-position and (swing in).This external trigger slide block 2a remains in its trigger position by release lever 5a in Fig. 2.Tappet 3a moves in its (end) position, top by spring 4 once more, and promptly it is arranged in its signal location in Fig. 2, the signaling switch 8 of tappet roof pressure electricity and to its operation in this position.
In signal location, the tappet 3a that stretches out from signaling switch module 1 can show the short circuit triggering by extension.
Fig. 3 shows the end view of the signaling switch module 1 with affirmation and display button 9, this affirmation and display button and bolt 10 actings in conjunction of extending transverse to tappet 3a, wherein confirm and display button 9 on the inclined-plane 11 of formation, when tappet 3a moves up, make confirm and display button by signaling switch module 1 remove to the right (respectively according to Fig. 3 to the right and make progress).Affirmation of stretching out from switch and display button 9 outwards illustrate short circuit and trigger.
In Fig. 3, just in time can find out and confirm and display button 9.
On the contrary, affirmation and the display button 9 mobile tappet 3a that causes left move down.Confirm and display button 9 moves down tappet 3a once more and connects switch simultaneously by pushing.
When tappet 3a retracted, release lever 5a swung in its latched position once more.
Fig. 5 shows signaling switch module 1 and is inserted in the switch, and signaling switch module 1 is pushed simply and is locked in the switch.(referring to the straight arrows among Fig. 5) subsequently directly pushes tappet 3a downwards, and release lever 5a meets triggering slide block 2a, and release lever 5a is swung in its latched position.Decontrol tappet 3a subsequently once more and upwards promoted until release lever 5a last by backstop by spring 4.

Claims (8)

1. the switch that is used for interruptive current under short-circuit conditions, especially for the circuit breaker of low pressure,
Have switch contact, the electric current described switch contact of flowing through, and switch contact is separated from one another when short circuit; And
Have trigger, it has electromagnet, and at least a portion of electric current flows through this electromagnet, and the magnetic force of this electromagnet moves in the trigger position triggering element (2) when short circuit, in this trigger position, trigger the element operation switch element with the separating switch contact, it is characterized in that
The signaling switch module of inserting in the switch (1) has locking member (5) and mobile signal element (3), wherein locking member (5) moves to the off-position from latched position when short circuit, locking member release signal element (3) moves in the signal location in this off-position
And locking member (5) moves in its off-position by triggering element (2) when short circuit.
2. switch according to claim 1, it is characterized in that, described locking member (5) is configured to the release lever (5a) of swivel bearing, and trigger element (2) and be configured to trigger slide block (2a), wherein trigger slide block and have space (6) or contraction flow region, release lever (5a) end is swinging into described space or contraction flow region when triggering slide block (2a) is arranged in its trigger position, and the other end release signal element (3) of release lever (5a).
3. switch according to claim 1 and 2 is characterized in that, the signal element of described release (3) moves in its signal location by spring force.
4. switch according to claim 3 is characterized in that, the signal element (3) that is used to send the short circuit triggering signal is by means of spring force operation signal switch (8).
5. according to claim 3 or 4 described switches, it is characterized in that, spring force outwards promotes to confirm and display button (9) through the signal element (3) that discharges, the affirmation of described outside promotion and display button (9) show that short circuit triggers, and by pushing affirmation and display button (9) signal element (3) and triggering element (2) are retracted once more by locking member (5).
6. according to each described switch in the claim 1 to 5, it is characterized in that described locking member (5) can move in the off-position when retracting once more at signal element (3).
7. according to each described switch in the claim 1 to 6, it is characterized in that described signal element (3) is configured to tappet (3a).
8. according to each described switch in the claim 1 to 7, it is characterized in that described triggering element (2) remains in the trigger position and once more by locking member (5) and retracts.
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 true CN102280319A (en) 2011-12-14
CN102280319B CN102280319B (en) 2015-07-08

Family

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)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103311057A (en) * 2012-03-08 2013-09-18 西门子公司 Short circuit indicator module for an electrical switching device and electrical switching device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016123957A1 (en) * 2016-12-09 2018-06-14 Eaton Industries (Austria) Gmbh breaker
CN112965006B (en) * 2019-04-22 2022-04-01 福建通力达实业有限公司 Intelligent circuit breaker of long-range networking

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103311057A (en) * 2012-03-08 2013-09-18 西门子公司 Short circuit indicator module for an electrical switching device and electrical switching device

Also Published As

Publication number Publication date
EP2390895A1 (en) 2011-11-30
EP2390895B1 (en) 2016-12-28
CN102280319B (en) 2015-07-08
DE102010022596A1 (en) 2011-12-01

Similar Documents

Publication Publication Date Title
US10410810B2 (en) Switching device for LV electric installations
CN111712897B (en) Circuit breaker
CN101728101A (en) Micro switch
CN102280319A (en) Switch, especially breaker applied in low voltage
CN104022000A (en) Circuit breaker with ability of quick reaction and separation and quick reaction and separation method for circuit breaker
CN215578337U (en) Isolating switch and automatic tripping mechanism thereof
CN203367075U (en) Anti-misoperation device of breaker control loop
CN201717209U (en) Molded case drawout low-pressure breaker
CN102844830B (en) Hybrid circuit breaker using a switch having return upon closure
CN204204685U (en) There is the switchgear of the device for jumper connection
CN107644793A (en) Auto-manual moment trip switch
CN101617381B (en) Switching apparatus and wiring switching apparatus
CN102237227B (en) There is the controller switching equipment of double-break
CN203165829U (en) Hydraulic electromagnetic breaker
WO2008068020A3 (en) Installation switchgear comprising a double break
CN103999184A (en) Transfer assembly
CN106158523B (en) A kind of circuit breaker failure tripping indicating device
CN201229894Y (en) Low voltage vacuum circuit breaker for permanent magnet mechanism
CN213691923U (en) Electromagnetic leakage circuit breaker
CN204407274U (en) The contacts of low-voltage circuit breaker structure that a kind of breaking capacity is high
CN215069850U (en) Auxiliary contact of circuit breaker
CN212676206U (en) Leakage protector with automatic reset
CN203232849U (en) Novel isolating circuit breaker
CN201877377U (en) Push-button safety switch
CN202712087U (en) Anti-closing device of universal type low-voltage circuit breaker

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150708