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Electromagnetic switch

A technology of electromagnetic switches and armatures, applied in the direction of electric switches, electromagnetic relays, switch side positions, etc., can solve problems such as temporary welding of contacts, damage of contact springs, etc.

Active Publication Date: 2019-01-04
PHOENIX CONTACT GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the event of a fault, e.g. at higher currents, temporary welding of the contacts may occur
In this case, manual actuation of the trigger can cause damage to the contact spring in the relay

Method used

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  • Electromagnetic switch
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Examples

Experimental program
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Embodiment Construction

[0033] figure 1 An electromagnetic switch 100 related to the present invention is shown, implemented as a relay. figure 1 Shown is a slider 101 with which the contacts 119, 123 of the relay can be manually actuated into a non-actuated position. The normally open contact 119 is here open and the normally closed contact 123 is closed. The normally open contact 119 can be closed manually by moving the slider 101 in the actuation direction 103 , wherein the normally closed contact 123 is opened. exist figure 1 In the illustrated embodiment, normally open contact 119 and normally closed contact 123 are positively driven such that closing of normally open contact 119 always results in opening of normally closed contact 123 .

[0034] In the non-actuated state of the slider 101 , the tongue 107 of the deformable force transmission element 105 is located in the recess 111 of the slider 101 such that no force is applied to the tongue 107 of the force transmission element 105 via the...

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PUM

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Abstract

The invention relates to an electromagnetic switch (100), comprising: an armature (113); a slide (101), which can be manually slid in order to actuate the armature (113); and a deformable force-transmitting element (105), which is arranged between the slide (101) and the armature (113), wherein the slide (101) can be pressed against the deformable force-transmitting element (105) with a pressing force in order to actuate the armature (113), wherein, when a pressing-force threshold value is exceeded, the deformable force-transmitting element (105) can be deformed by the pressing force in orderto limit the pressing force that can be transmitted from the slide (101) to the armature (113).

Description

technical field [0001] The invention relates to an electromagnetic switch. Background technique [0002] Electromagnetic switches, such as relays, typically include an armature which can be realized as a rocker armature. A lever can be used to manually manipulate the armature, which changes the position of the armature so that a contact spring connected to the armature makes a switching movement and the contacts of the relay can be opened or closed. [0003] However, in the event of a fault, for example at higher currents, temporary welding of the contacts may occur. In this case, manual actuation of the trigger can result in damage to the contact spring in the relay. A solution is proposed in the patent document DE102012006438: by increasing the contact area in the relay, thereby reducing the possibility of welding between the contacts. Contents of the invention [0004] It is an object of the invention to provide a design for avoiding damage to an electromagnetic swit...

Claims

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Application Information

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IPC IPC(8): H01H51/22H01H15/10H01H50/54H01H9/00H01H50/60H01H50/64
CPCH01H9/0066H01H15/102H01H50/541H01H50/60H01H50/641H01H51/229H01H50/326H01H3/001H01H3/02H01H2221/064H01H2225/014
Inventor 拉尔夫·霍夫曼
Owner PHOENIX CONTACT GMBH & CO KG
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