Moving contact of alternating current contactor and manufacture method thereof
A technology of AC contactor and manufacturing method, applied in relays, electromagnetic relays, electromagnetic relay detailed information and other directions, can solve the problems of reduced adhesion force of arc-guided corner welding, inconsistent thickness of connecting plates, low welding adhesion, etc. , to achieve the effect of convenient and firm welding, eliminating hidden quality hazards and prolonging service life
Active Publication Date: 2013-01-16
乐清市长征电器开关厂
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Problems solved by technology
The defects of the above structure are that the welding is cumbersome, the thickness of the two sides of the connecting plate and the welding part of the contact bridge is not consistent, the welding surface of the contact on the contact bridge is uneven and there are gaps, the welding adhesion is low and the contact resistance is large. After the contact has been raised and lowered many times, the adhesion of the arc-guided corner welding is reduced and it is easy to fall off
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[0027] Such as Figure 1 to Figure 5 As shown, the first embodiment of the moving contact of the AC contactor of the present invention includes a contact plate 1 integrally formed of brass material. The opposite sides of the contact plate 1 are provided with arc guide angles 2 and contacts 3, and the arc guide The material of corner 2 is steel plate and the material of contact 3 is silver. The arc guiding angle 2 on both sides is symmetrically distributed on both sides of the touch panel 1. The contacts 3 on both sides are symmetrically welded to the bottom surface of the touch panel 1. The arc guiding angle 2 on both sides is The upper part is upturned to better guide the arc. The arc guide angle 2 on each side is U-shaped. The bottom of the surface a is aligned with the lower edge of the side surface of the touch panel 1 and is in the same plane. The contact 3 has an outer edge d that simultaneously contacts the lower edge of the side surface of the touch panel 1 and the arc...
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The invention provides a moving contact of an alternating current contactor and a corresponding manufacture method for producing the moving contact of the alternating current contactor. The moving contact of the alternating current contactor is stable in performance, reliable in quality, firm in installation, small in contact resistance and convenient and reliable in welding. The technical scheme is that the moving contact comprises an integrally-formed contact plate, two opposite sides of the contact plate are provided with guide arc corners and contact points, two lateral guide arc corners are symmetrically distributed on two lateral faces of the contact plate, two lateral contact points are symmetrically welded on the bottom face of the contact plate, two lateral guide arc corners are respectively provided with contact faces adhered to lateral face outlines of two lateral contact plates, wherein two tail ends and the center of each lateral guide arc corner are respectively fixed on the contact plate.
Description
technical field [0001] The invention relates to an accessory in an AC contactor, especially a moving contact therein, and a manufacturing method of the moving contact. Background technique [0002] The original structure of the moving contact of the AC contactor is to use a connecting plate with an arc guide angle, and a contact bridge is overlapped at both ends of the connecting plate. The contact bridge is embedded and welded in the connecting plate, and both sides of the contact bridge are embedded in the end It is used to weld two contacts. During processing, both the arc guide angle and the contact bridge must be welded. The defects of the above structure are that the welding is cumbersome, the thickness of the two sides of the connecting plate and the welding part of the contact bridge is not consistent, the welding surface of the contact on the contact bridge is uneven and there are gaps, the welding adhesion is low and the contact resistance is large, and the dynami...
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IPC IPC(8): H01H50/54H01H49/00
Inventor 潘祥元戴胜阳
Owner 乐清市长征电器开关厂