EP2187419B1 - Relais-Schalter - Google Patents

Relais-Schalter Download PDF

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Publication number
EP2187419B1
EP2187419B1 EP09014290.2A EP09014290A EP2187419B1 EP 2187419 B1 EP2187419 B1 EP 2187419B1 EP 09014290 A EP09014290 A EP 09014290A EP 2187419 B1 EP2187419 B1 EP 2187419B1
Authority
EP
European Patent Office
Prior art keywords
rocker
relay switch
lever arm
button
contact
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
EP09014290.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2187419A2 (de
EP2187419A3 (de
Inventor
Chunkai Zheng
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.)
ZHENG, CHUNKAI
Original Assignee
Individual
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
Priority claimed from CNU2008201403743U external-priority patent/CN201289823Y/zh
Priority claimed from CN2008101809075A external-priority patent/CN101740268B/zh
Application filed by Individual filed Critical Individual
Priority to PL09014290T priority Critical patent/PL2187419T3/pl
Publication of EP2187419A2 publication Critical patent/EP2187419A2/de
Publication of EP2187419A3 publication Critical patent/EP2187419A3/de
Application granted granted Critical
Publication of EP2187419B1 publication Critical patent/EP2187419B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/18—Movable parts of magnetic circuits, e.g. armature
    • H01H50/32—Latching movable parts mechanically
    • H01H50/326—Latching movable parts mechanically with manual intervention, e.g. for testing, resetting or mode selection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H89/00—Combinations of two or more different basic types of electric switches, relays, selectors and emergency protective devices, not covered by any single one of the other main groups of this subclass
    • H01H89/06—Combination of a manual reset circuit with a contactor, i.e. the same circuit controlled by both a protective and a remote control device
    • H01H89/08—Combination of a manual reset circuit with a contactor, i.e. the same circuit controlled by both a protective and a remote control device with both devices using the same contact pair
    • 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

Definitions

  • the invention relates to a relay switch, a use of such a relay switch and a method for generating and interrupting a contact using such a relay switch.
  • Relay switches are known from the prior art, which have a rocking mechanism, on the one hand causes a corresponding contact pressure between two contact elements for closing a circuit and the other can be solved.
  • Out DE 197 25 202 A1 is a relay switch with an on button and with an off button for actuating a rocking device known, the rocker device presses upon actuation of the on button at least one contact element of a movable switching member against a corresponding mating contact element and wherein the rocker device upon actuation the off button triggers the contact between the contact element and the mating contact element
  • the invention has for its object to further develop such a relay switch and to improve.
  • a relay switch is proposed for closing and opening a circuit.
  • the relay switch comprises an on-button and an off-button for actuating a rocker device and a rocker device, which presses at least one contact element of a movable switching member against a corresponding mating contact element to close the circuit upon actuation of the on button.
  • On actuation of the off button triggers or interrupts the rocker device previously effected contact between the contact element and the mating contact element, whereby the circuit is interrupted.
  • the rocker device comprises a locking device for generating and maintaining a defined contact pressure between the contact elements.
  • the locking device is designed in such a way that it uses the on button when the rocker device is actuated.
  • the rocker device has a first rocker element and a second rocker element, which are pivotable relative to one another and which form a positive connection in a locking position of the rocker device, which prevents a pivoting of the rocker elements.
  • a contact pressure between at least two contact elements is not effected via an energization of a bobbin to a magnetic Anziehungs- and Holding force to exercise a rocking element of a rocking device.
  • the contact pressure is generated according to the invention rather purely mechanically by means of the locking device and maintained until the locking device is released or unlocked.
  • the bobbin only serves to trigger or unlock the locking device as soon as the energization of the bobbin is eliminated. This advantageously reduces a corresponding dimensioning of the bobbin to a minimum and, consequently, also a correspondingly required installation space for the bobbin.
  • connection between the first rocker element and the second rocker element is made to be designed as a form-locking latching or snap-in connection.
  • the first rocker element has a first lever arm and a second lever arm, wherein the first lever arm cooperates with the on-button and the second lever arm with the switching part.
  • the second rocker element also has a first lever arm and a second lever arm, wherein the first lever arm cooperates with an armature of a bobbin and the second lever arm with the off key.
  • the two rocker elements each have a geometry which forms the form-locking connection according to the invention with the geometry of the respective other rocker element in an on or off state of the relay switch.
  • the rocker device further comprises at least one tracking spring, which is arranged between a rocker frame of the rocker device and the second rocker element and thereby presses the second rocker element against the first rocker element. This ensures that, in the on state or off state of the relay switch, the two rocker elements engage in one another in a form-fitting manner.
  • the spring may preferably be formed as a torsion spring or coil spring.
  • At least one locking means is further provided, which presses in an off state of the relay switch against a lug.
  • at least one substantially hollow-cylindrical pressure body is provided as latching means, in which a spring is arranged, which presses the pressure body against a formed on the first rocking lug approach, to overcome it upon actuation of the on button against the spring action requires a minimum effort that ensures safe operation of the relay switch.
  • At least two balls may be provided as latching means, which are preferably arranged between the on-button and the first lever arm of the first rocker element.
  • the balls are preferably arranged diametrically opposite to each other, wherein between the balls, a spring is arranged, preferably a coil spring which presses the balls against a lug, to overcome it upon actuation of the on button against the spring action of a Requires minimum effort that ensures safe operation of the relay switch.
  • the switching part is preferably designed with at least one contact bridge, which cooperates with corresponding mating contacts. Preferably, however, two or four contact bridges are provided on the switching part.
  • a method for generating and interrupting a contact using a relay switch of the type described above is proposed.
  • a contact pressure between two contact elements is generated and maintained until the locking device is unlocked either by pressing an off button or by interrupting a circuit of a bobbin in a energized state exerts a magnetic holding force on an anchor.
  • the armature is spring-actuated pressed against a rocker element of the rocker device in a loss of holding force, whereby the locking device is unlocked.
  • the in the Fig. 1 to 4 illustrated relay switch 2 preferably comprises a first housing part 4 and a second housing part 6, which is preferably anchored via corresponding locking elements 8 in the first housing part 4 and with this housing part 4 is a substantially box-shaped structure.
  • the second housing part 6 further comprises an on button 8 and an off button 10, each representing an integral part of the second housing part 6.
  • a rocking device 14 Between these two housing parts 4, 6, a rocking device 14, a switching part 16 and a bobbin 18 are arranged.
  • the Fig. 21 to 23 is based, the relay switch 2 comprises a first, second and third housing part 4a, 4b, 6th
  • the rocker 14 cooperates with both the on button 10 and the off button 12.
  • the rocker device 14 also cooperates with the switching member 16, which is preferably in the vertical direction Z or in the longitudinal direction of the two keys 8, 10 movable.
  • the rocker device 14 comprises a preferably substantially box-shaped frame part 20 and a first rocker element 22 and a second rocker element 24, each in an associated bearing portion 25a, 25b of the frame part 20 by means of a corresponding bolt 26a, 26b are mounted relative to each other and to the frame part 20 pivotally.
  • the first rocker element 22 has a first lever arm 22a and a second lever arm 22b, wherein the first lever arm 22a cooperates with the on-key 10 and the second lever arm 22b with the switching member 16.
  • the second lever arm 22b extends with its end 22c in a corresponding recess 16a of the switching member 16 and acts as a driver element with respect to the switching member 16.
  • the second rocker element 24 has a first lever arm 24a and a second lever arm 24b, wherein the first lever arm 24a with an armature 18a of the bobbin 18 and the second lever arm 24b with the off button 12 cooperates.
  • a torsion spring 28 is arranged, which acts on the one hand with one of its two legs, which acts as a resting leg 28a against a frame bottom portion 20a and on the other hand with the other leg 28b against the second lever arm 24b of the second Wippen element 24 is supported and thus the second rocker element 24 presses against the first rocker element 22.
  • a helical spring can also be provided, in which a nose-shaped section of the second lever arm 24b engages (cf., for example, FIG 17 to 19 ).
  • the two rocker elements 22, 24 each have a geometry that forms a positive connection with the geometry of the respective other rocker element 24, 22 in an on or off state of the relay switch 2.
  • a claw or nose-shaped section 30a, 30b which engages either on the first rocker element 22 (cf. Fig. 3 . 5 . 7 ) or on the second rocker element 24 (see. Fig. 4 . 8th . 6 ) may be formed, a corresponding counter portion of the respective corresponding rocker element.
  • This can preferably also be a latching or snap-in form-fitting connection.
  • the second lever arm 24b of the second rocker element 24 preferably has at its end a preferably transversely extending portion 24c which acts as a driver with respect to the second lever arm 22b of the first rocker element 22 and preferably forms an integral part of the second lever arm 24b.
  • the switching part 16 is arranged guided between two opposite wall portions 4 c of the first housing part 4 and is preferably provided with two switching bridges 32 which are pressed by means of the second lever arm 22 b of the first rocker element 22 against corresponding mating contacts 34.
  • the mating contacts 34 are fixedly connected to the second housing part 4 and each have a preferably downwardly below the first housing part 4 extending contact lug 30.
  • the switching member 16 cooperates both on its upper side and on its underside with preferably two coil springs 36a, 36b, wherein the two upper springs 36a bear against the second housing part 6 and the two lower springs 36b against the first housing part 4.
  • the switching member 16 acts only with a single resetting acting coil spring 36 together.
  • a total of four contact bridges 32 are provided on the switching part 16, wherein the corresponding corresponding mating contacts 34 each have a contact lug, which preferably extends laterally from a housing part 4a.
  • the rocker 14 is further provided with a latching mechanism 40, on the one hand provides a tactile feedback on an operation of the first lever arm 22 a of the first rocker element 22 and on the other hand ensures safe operation of the relay switch 2 via the on button 10, since it at the Operation of the ON button 10 to overcome the locking mechanism of a defined force required.
  • the latching mechanism 40 preferably comprises a substantially hollow cylindrical pressure body 42, which acts as a latching means and in which a coil spring 44 extends.
  • the coil spring 44 is arranged with the pressure body 42 in a blind hole 38 of the frame part 20.
  • the coil spring 44 supports itself against the frame part 20 and presses in the off state of the relay switch 2, a hemispherical end of the pressure body 42 against a projection 23 of the first lever arm 22a of the first rocker element 22.
  • This approach 23 must be at an actuation of the first lever arm 22 a are overcome against the action of the coil spring 44 to ensure the safe operation of the relay switch 2 via the on button 10.
  • a defined minimum effort is required.
  • the latching mechanism 40 as with reference to FIGS Fig. 14 to 16 represented, too be arranged between the on button 10 and the first lever arm 22a of the first rocker element 22 and preferably have two balls 48 as a locking means.
  • These balls 48 are diametrically opposed to each other, wherein between the balls 48, a coil spring 50 is arranged, which presses the balls 48 against a formed between the on button 10 and the first lever arm 22a of the first rocker element 22 approach 51.
  • Upon actuation of the ON button 10 it takes to overcome this approach 51 against the action of the spring 50 of a defined minimum effort, which ensures safe operation of the relay switch 2.
  • the contact pressure generated in this way upon actuation of the on button 10 between the contact elements 32, 34 is further maintained by the locking action until the positive connection between the claw or nose-shaped portion 30 a, 30 b and the corresponding counter portion is released.
  • a load circuit is closed, which in turn feeds a coil circuit, which is associated with the bobbin 18.
  • the armature 18b remains pivoted against the bobbin 18 until either the load circuit is interrupted, so that the force exerted by the bobbin 18 on the armature 18a attraction disappears or the off button 12 is actuated.
  • the armature 18a is pivoted away from the bobbin 18 to its original position, which corresponds to the off-state of the relay switch.
  • the armature 18a presses against the first Lever arm 24a of the second rocker 24, so that this lever arm 24a is pivoted relative to the first lever arm 22a of the first rocker element 22, whereby the locking effect of the positive connection is released.
  • the driver element 24c presses against the second lever arm 22b of the first rocker element 22, so that the first rocker element 22 is also pivoted, whereby the switching element 16 moves downward and the contact closure is thus interrupted.
  • the off button 12 presses against the second lever arm 24b of the second rocker element 24 via a corresponding foot element, which then, as described above, presses against the second lever arm 22b of the first rocker element 22 via the driver element 24c and thus the pivoting of the rocker element first rocker element 22 causes, whereby the previous contact closure is equally interrupted.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Switch Cases, Indication, And Locking (AREA)
EP09014290.2A 2008-11-14 2009-11-16 Relais-Schalter Active EP2187419B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09014290T PL2187419T3 (pl) 2008-11-14 2009-11-16 Przełącznik przekaźnikowy

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNU2008201403743U CN201289823Y (zh) 2008-11-14 2008-11-14 一种带有锁定机构的电磁继电器
CN2008101809075A CN101740268B (zh) 2008-11-14 2008-11-14 一种带有锁定机构的电磁继电器

Publications (3)

Publication Number Publication Date
EP2187419A2 EP2187419A2 (de) 2010-05-19
EP2187419A3 EP2187419A3 (de) 2013-06-05
EP2187419B1 true EP2187419B1 (de) 2019-05-08

Family

ID=41718634

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09014290.2A Active EP2187419B1 (de) 2008-11-14 2009-11-16 Relais-Schalter

Country Status (4)

Country Link
EP (1) EP2187419B1 (es)
ES (1) ES2738528T3 (es)
HU (1) HUE045550T2 (es)
PL (1) PL2187419T3 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102568934B (zh) * 2012-02-21 2014-09-03 山东卓尔电气有限公司 中心锁扣式直运行交流接触器
CN103050308B (zh) * 2012-12-11 2014-10-01 科都电气有限公司 一种具有突跳功能的调速开关
CN103545146B (zh) * 2013-10-28 2016-01-27 山东卓尔电气有限公司 中心锁扣式直运行交流接触器
CN103531377B (zh) * 2013-11-06 2015-09-23 科都电气有限公司 一种带断电保护的开关
CN103560029B (zh) * 2013-11-12 2015-07-22 科都电气有限公司 一种具有断电保护功能的开关
DE102017115382A1 (de) * 2017-07-10 2019-01-10 Berker Gmbh & Co. Kg Mechanischer Schalter
US11545311B2 (en) 2019-09-11 2023-01-03 Kedu Electric Co., Ltd. Electromagnetic switch
US20230238192A1 (en) * 2020-06-10 2023-07-27 Avan Tech Innovations Private Limited Compact electromagnetic push switch assembly

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8908125U1 (es) * 1989-07-04 1989-08-24 Tripus-Kunststoffteile Gmbh, 8870 Guenzburg, De
DE19725202A1 (de) * 1997-06-14 1998-12-17 Klinger & Born Gmbh Schützschalter
DE202007015207U1 (de) * 2007-11-02 2008-01-31 Moeller Gmbh Betätigungselement

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
HUE045550T2 (hu) 2020-01-28
ES2738528T3 (es) 2020-01-23
EP2187419A2 (de) 2010-05-19
EP2187419A3 (de) 2013-06-05
PL2187419T3 (pl) 2019-12-31

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