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Contact switching mechanism and electromagnetic relay

A technology of electromagnetic relay and contact switch, which is applied in the direction of electromagnetic relay, electromagnetic relay details, relay, etc., can solve the problems of increased cost and complex structure, and achieve the effect of fast arcing

Active Publication Date: 2013-05-08
OMRON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, in the conventional contact switch mechanism, the arc-shaped impeller conductor needs to be attached to the electrode as an additional member, and additionally, an additional process for providing the protrusion to the arc-shaped impeller conductor needs to be performed.
For this reason, there are problems that the structure of the conventional contact switch mechanism is complicated and the cost of the conventional contact switch mechanism increases

Method used

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  • Contact switching mechanism and electromagnetic relay
  • Contact switching mechanism and electromagnetic relay
  • Contact switching mechanism and electromagnetic relay

Examples

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Embodiment Construction

[0031] Hereinafter, preferred embodiments will be described with reference to the accompanying drawings. It should be noted that in the following description, terms referring to specific directions and positions are used if necessary (for example, the terms include "upper", "lower", "side", and "end"). The purpose of using terms is to help people better understand the embodiments of the present invention involved in the drawings, but the technical scope of the embodiments of the present invention is not limited by the meanings of these terms. The following description gives an example of an embodiment of the invention and is not limiting.

[0032] 1. Overall structure

[0033] Figure 1 to Figure 5 An electromagnetic relay according to one embodiment is shown. Since it is related to the electromagnetic relay, the electromagnetic block 2 , the contact switch unit 3 , and the movable iron piece 4 are installed on the base 1 , and the whole structure is encapsulated in the cas...

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Abstract

The present embodiments relate to a contact switching mechanism and an electromagnetic relay that can promptly extinguish an arc generated between contacts with a simple and inexpensive structure without negatively influencing the spring property of a movable contact piece. A contact switching mechanism includes a fixed contact piece with a fixed contact and a movable contact piece with a movable contact which faces the fixed contact in a contactable manner. At least either one of the contact pieces is provided with an extension which extends toward the contact of the remaining contact piece.

Description

technical field [0001] Embodiments of the present invention relate to a contact switch mechanism and an electromagnetic relay including the contact switch mechanism, and more particularly to a power relay. Background technique [0002] Conventionally, there is a known contact switching mechanism in which an extended protrusion for terminating an arc is formed at either of the left and right ends of a leaf spring having a movable contact (for example, refer to Japanese Unexamined Approved Patent Publication No.2006-196372). [0003] However, in conventional contact switch mechanisms, an arc generated between the contacts is magnetically extended and terminated by a protrusion that is located farther from the contacts than the distance between the contacts. For this reason, there is involved the problem that the position where the arc terminates does not coincide with the position of the protrusion when the arc actually occurs. [0004] Another known contact switching mechan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H50/38H01H50/54H01H9/44
CPCH01H50/26H01H9/443H01H1/2066H01H9/46H01H50/38H01H50/56
Inventor 柿本俊行新开哲夫桝井保幸山下司
Owner OMRON CORP
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