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Relay for limiting position of armature by reed

A technology of relays and armatures, applied in the field of electromagnetic relays, can solve the problems of easy distortion and deformation of moving springs and affect product reliability, and achieve the effect of improving impact resistance

Active Publication Date: 2012-01-11
XIAMEN HONGFA ELECTROACOUSTIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These structures often show insufficient limit for the armature in the impact or drop test of the product, and the moving spring is prone to distortion and deformation under the impact of the armature, thus affecting the reliability of the product

Method used

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  • Relay for limiting position of armature by reed
  • Relay for limiting position of armature by reed
  • Relay for limiting position of armature by reed

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment one, see Figure 2 to Figure 6 As shown, a relay using a reed to limit the armature of the present invention mainly includes a moving reed 1, an armature 2, a yoke 3, a moving contact part 4, an iron core 5, a coil frame 6, and a load lead out Pin 7, another load leads out pin 8 and base 9; the moving spring-armature part is composed of moving reed 1, armature 2, and moving contact part 4; it is composed of main parts such as yoke 3, iron core 5, and coil frame 6 The magnetic circuit part; the base part is composed of a load lead-out pin 7, another load lead-out pin 8 and a base 9.

[0025] The moving reed 1 is connected between the armature 2 and the yoke 3; the moving reed 1 includes a first connecting portion 11, a second connecting portion 12 and a narrow body 15, and the moving reed 1 is connected to the armature through the first connecting portion 11. 2 phases are fixed, the moving reed 1 is fixed with the yoke 3 through the second connecting part 12,...

Embodiment 2

[0036] Embodiment two, see Figure 7 to Figure 8 As shown, a relay of the present invention that uses a reed to limit the armature is different from Embodiment 1 in that the fin 17 is no longer divided into a front section and a rear section, and only one bend is provided, that is, the first bend In the bent part 1701, the flap 17 actually has only one bending but no bending is formed, and the bending angle of the first bending part 1701 is less than 90°.

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Abstract

The invention discloses a relay for limiting position of an armature by a reed, comprising a movable reed, an armature and a yoke iron; the movable reed comprises a first connecting part, a second connecting part and a narrow slice body; the movable reed is fixed with the armature by the first connecting part; the movable reed is fixed with the yoke iron by the second connecting part; the narrow slice body is integrally connected between the first connecting part and the second connecting part; the middle part of the narrow slice body is provided with a bending part; the width of the second connecting part is more than the width of the narrow slice body; two side ends of the second connecting part respectively extend forwards and are provided with fins with narrow widths; the fins are provided with the first bending part which is arranged laterally above the orthogonal connection position between the armature and the yoke iron; the front end part of the fin is bent towards the armaturesurface by the first bending part and a clearance between the front end part of the fin and the armature surface is arranged so as to ensure the free rotation of the armature. The structure of the relay utilizes two ends of the movable reed to carry out balanced position-limiting at tow ends of the armature, can effectively protect the armature when the relay bears the impact, and can avoid the distortion deformation of the movable reed, thus improving the reliability of the relay product further.

Description

technical field [0001] The invention relates to an electromagnetic relay, in particular to a relay which uses a reed to limit the position of an armature. Background technique [0002] Electromagnetic relay is an electronic control device, usually including iron core, coil, armature, yoke, moving reed, contacts and other components. As long as a certain voltage is applied to both ends of the coil, a certain current will flow through the coil, thereby generating an electromagnetic effect. The moving contact of the moving reed is closed with the normally open static contact; when the coil is powered off, the electromagnetic suction will disappear, and the armature will return to its original position by the elastic force of the moving reed, making the moving reed The moving contact is disconnected from the normally open static contact or closed with the normally closed static contact. This kind of device that uses the on-off of low-voltage and weak-current circuits to indire...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H51/04H01H50/16H01H50/34
Inventor 林银河张仁义曾冬林
Owner XIAMEN HONGFA ELECTROACOUSTIC CO LTD