Small electromagnetic relay of large current

An electromagnetic relay, high-current technology, applied in electromagnetic relays, electromagnetic relay details, relays, etc., can solve the problem of affecting the basic operating performance of the relay, the small cross-sectional area of ​​the moving reed and the static reed, and limiting the load current capacity of the relay, etc. question

Pending Publication Date: 2019-05-10
DONGGUAN ZHONGHUI RUIDE ELECTRONICS
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] Due to structural design and other reasons, some existing small electromagnetic relays have small cross-sectional areas of the moving reed and the static reed, which cannot withstand the passage of large currents. If the overall thickness of the moving reed is directly increased, the basic operating performance of the relay will be affected. Therefore, limit the load current capability of such relays

Method used

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  • Small electromagnetic relay of large current
  • Small electromagnetic relay of large current
  • Small electromagnetic relay of large current

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Experimental program
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Embodiment Construction

[0018] Embodiments of the present invention will now be described with reference to the drawings, in which like reference numerals represent like elements.

[0019] The present invention provides a small electromagnetic relay 1 which has the same external dimensions and can pass a larger current without affecting the basic operating performance.

[0020] Such as Figure 1~4 As shown, the high current small electromagnetic relay 1 includes a moving spring part 30 , a base 10 , a static spring part 20 , a magnetic circuit part 40 , a tension spring 51 and a limiting piece 52 .

[0021] The movable spring part 30 includes a movable reed 31 , a contact bridge 32 , two movable contacts 33 , a fixed block 34 , an insulating sheet 35 and an armature 36 . One end of the moving reed 31 is a U-shaped structure, and the contact bridge 32 is a U-shaped structure matching one end of the moving reed 31. The two ends of the U-shaped structure are respectively riveted with a moving contact 3...

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PUM

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Abstract

The invention discloses a small electromagnetic relay of large current. The small electromagnetic relay of large current comprises a movable spring part, the movable spring part comprises a movable reed, a contact bridge and two movable contacts; one end of the movable reed is a U-shaped structure, the contact bridge is presented as a U-shaped structure matched with one end of the movable reed; two tail ends of the U-shaped structure are respectively riveted with the contact; the movable contact is fixedly connected with the movable reed and the contact bridge. An appearance size cannot changed when adding one contact bridge; when the relay is in work, the movable reed is used for providing the movable contact pressure, the basic action performance cannot be influenced; the contact bridgeis used for providing the cross section required by current carrying, and larger current can pass the contact bridge.

Description

technical field [0001] The invention relates to the field of relays, in particular to a large-current small electromagnetic relay. Background technique [0002] Electromagnetic relay is an automatic switch that uses smaller current and lower voltage to control larger current and higher voltage. It realizes this switching function by means of an internal electromagnet, passing a small current through the coil of the electromagnet, causing the electromagnet to generate a magnetic field, and using the generation or disappearance of the magnetic field to attract or release the armature, thereby driving the conductive The shrapnel are attracted or disconnected to realize the conduction of the large current loop. [0003] Due to structural design and other reasons, some existing small electromagnetic relays have small cross-sectional areas of the moving reed and the static reed, which cannot withstand the passage of large currents. If the overall thickness of the moving reed is d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H50/18H01H50/58
Inventor 刘书章杜展
Owner DONGGUAN ZHONGHUI RUIDE ELECTRONICS
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