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A moving reed of a high-power electromagnetic relay and its manufacturing method

An electromagnetic relay, moving reed technology, applied in electromagnetic relays, electromagnetic relay details, relays, etc., can solve the problems of small current-carrying area, product failure, heat generation, etc., to achieve reliable conduction, simple product structure, and increased interception. area effect

Active Publication Date: 2017-11-10
XIAMEN HONGFA ELECTROACOUSTIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For products carrying small currents, the moving reed can be directly led out; but when the current is large, when the thin moving reed is directly led out, it will cause local overheating due to the small current-carrying area, so it is necessary to add a thick lead-out pin made of pure copper. , figure 1 It is a partial structural schematic diagram of an electromagnetic relay in the prior art. The relay includes an armature 101, a yoke 102, a moving reed 103 and a moving spring lead-out pin 104, wherein one end of the moving reed 103 is fixed to the armature 101, The other end of moving reed 103 is fixed with yoke iron 102, meanwhile, the other end of moving reed 103 also will be fixed with moving spring lead-out pin 104, and moving spring lead-out pin 104 is the thick lead-out pin of pure copper material, moving When the spring lead-out pin 104 and the moving reed 103 are fixed, it must be realized by riveting or welding. If the riveting or welding is not firm, when the current flows through the riveting point / welding point, serious heating will occur and form a malignant cycle, which eventually leads to product failure

Method used

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  • A moving reed of a high-power electromagnetic relay and its manufacturing method
  • A moving reed of a high-power electromagnetic relay and its manufacturing method
  • A moving reed of a high-power electromagnetic relay and its manufacturing method

Examples

Experimental program
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Effect test

Embodiment 1

[0041] see Figure 2 to Figure 8 As shown, the moving reed of a kind of high-power electromagnetic relay of the present invention comprises the sheet-shaped moving reed body 1; the moving reed body 1 is also integrally extended with a moving spring lead-out pin 2; the moving spring leads out The pin 2 is formed by stacking three layers of the moving reed body.

[0042] The moving spring lead-out foot 2 is arranged at the root 11 of the moving reed body, and the root of the moving reed body is provided with a first bending part 21 bent inwardly so that the bent part 22 is stacked against the moving reed body 1, that is, the bent part 22 is attached to the root 11 of the moving reed body, and the bent part 22 is provided with a second bent part 23 bent outward so that the re-bent part 24 is stacked against the on the bent portion 22 .

[0043] The length dimension of the moving spring lead-out foot 2 is greater than the width dimension of the moving reed body 1 .

[0044] The...

Embodiment 2

[0055] see Figure 13 to Figure 16 Shown, the movable reed of a kind of high-power electromagnetic relay of the present invention and manufacturing method thereof, the difference with embodiment one is that the manufacturing method of movable reed is different, and the manufacturing method of this movable reed is included in the moving spring The process of making the moving spring lead-out pin 2 at the root of the sheet body 1;

[0056] The process of making the moving spring lead-out pin 2 includes:

[0057] For the first bending, the end of the root of the moving reed body 1 is bent upwards to form the first bending portion 21, so that the end of the root of the moving reed body and the moving reed body 1 are at 90 degrees, as Figure 13 shown;

[0058] For the second bending, the end of the root of the moving reed body 1 is bent laterally to form a second bending portion 23, and the most end 24 and the second end 22 are formed, and the distance between the most end 24 an...

Embodiment 3

[0062] see Figure 17 to Figure 20 Shown, the movable reed of a kind of high-power electromagnetic relay of the present invention and manufacturing method thereof, the difference with embodiment one is that the manufacturing method of movable reed is different, and the manufacturing method of this movable reed is included in the moving spring The process of making the moving spring lead-out pin 2 at the root of the sheet body 1;

[0063] The process of making the moving spring lead-out pin 2 includes:

[0064] The first pre-bend, formed as Figure 17 The bending structure shown;

[0065] Bending for the second time to form the most terminal 24 and the secondary terminal 22, and the distance between the most terminal 24 and the secondary terminal 22 is 90 degrees, and the distance between the secondary terminal 22 and the movable reed body 1 is also 90 degrees, as Figure 18 shown;

[0066] Fold the root of the moving reed body into a Z-shaped part, such as Figure 19 show...

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PUM

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Abstract

The invention discloses a moving reed of a high-power electromagnetic relay and a manufacturing method thereof. The moving reed includes a sheet-shaped moving reed body; The moving spring lead-out pin is formed by stacking three layers of the moving reed body. The present invention adopts the integrated structure of the moving reed and the moving spring lead-out pin, and the moving spring lead-out pin is composed of three layers of laminations, no additional lead-out pins are added, the product structure is simpler, and the conduction is reliable, and there will be no failure hidden dangers.

Description

technical field [0001] The invention relates to a relay, in particular to a moving reed of a high-power electromagnetic relay used in a high-current occasion and a manufacturing method thereof. Background technique [0002] Relay is an automatic switching element with isolation function, which is widely used in communication, automobile, automatic control, household appliances and other fields, and is one of the most important control elements. [0003] The relay is a mechanical action component that converts electrical energy into mechanical energy to achieve a step change in output. The two ends of the switching circuit are the static spring part and the moving spring part respectively. The static spring part is composed of a static spring and a static contact, and the moving spring part is composed of a moving reed and a moving contact. The moving reed moves under the drive of electromagnetic force. Until the moving and static contacts are in contact, the external circui...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H50/14H01H50/56H01H49/00
Inventor 朱艺青陈文榜谭忠华
Owner XIAMEN HONGFA ELECTROACOUSTIC CO LTD