Novel electric heating tripping mechanism
A tripping mechanism and electric heating technology, applied in the direction of protection switch operation/release mechanism, etc., can solve the problems of low production efficiency and complicated assembly process of circuit breakers, and achieve the effect of improving product stability, low sensitivity and stable performance
Pending Publication Date: 2020-11-17
深圳微羽智能科技有限公司
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Problems solved by technology
[0004] In view of this, the present invention provides a new type of electrothermal tripping mechanism, which aims to solve the technical problems of low production efficiency and complicated assembly process of circuit breakers in the prior art
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[0018] Such as figure 1 As shown, the present invention provides a novel electrothermal tripping mechanism, including electrothermal tripper 4, moving contact 2, static contact, main shaft 9, rotating shaft 3 and lock 6; moving contact 2 is arranged on the moving contact guide On the flow member 12, the moving contact guide is arranged on the rotating shaft 3, and the rotating shaft 3 is provided with a torsion spring 13 and a lock 6, and the main shaft 9 is connected with the rotating shaft 3 through the moving contact guide 12; the static contact is arranged on the static On the contact guide 8 ; on the side of the lock 6 away from the main shaft 9 is provided an electrothermal release 4 , and the electrothermal release 4 is arranged on the static contact guide 8 .
[0019] A hole is arranged on the moving contact guide 12, and a metal rod 10 is arranged in the hole, and one end of the metal rod 10 is arranged on the casing 1 of the circuit breaker. The main shaft 9 is conn...
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The invention provides a novel electric heating tripping mechanism. The novel electric heating tripping mechanism comprises an electric heating tripper, a moving contact, a static contact, a main shaft, a rotating shaft and a lock catch, wherein the moving contact is arranged on the moving contact diversion member, the moving contact diversion member is arranged on the rotating shaft, the rotatingshaft is provided with a torsion spring and a lock catch, and the main shaft is connected with the rotating shaft through the moving contact diversion member. The static contact is arranged on the static contact diversion member; and an electric heating release is arranged on one side, far away from the main shaft, of the lock catch, and is arranged on the static contact diversion member. According to the invention, the technical problems of low production efficiency and complex assembly process of the circuit breaker in the prior art are solved.
Description
technical field [0001] The invention relates to the technical field of low-voltage electrical protection, in particular to a novel electrothermal tripping mechanism. Background technique [0002] A circuit breaker is generally composed of a contact system, an arc extinguishing system, an operating mechanism, a trip unit, and a casing. The function of the circuit breaker is to cut off and connect the load circuit, and cut off the fault circuit to prevent accidents from expanding and ensure safe operation. [0003] In the prior art, the control circuit breaker generally uses a tuning device, and the tripping rod cooperates to realize the overload protection function. Since the tripping rod can be moved, it will cause the transmission mechanism to automatically open the gate during assembly, resulting in defective points, and adjustment devices need to be used for adjustment, which has a high failure rate, high cost, and low efficiency. Therefore, how to effectively simplify t...
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IPC IPC(8): H01H71/14H01H71/40
CPCH01H71/14H01H71/40
Inventor 姚纪彭梁建卫程勇强
Owner 深圳微羽智能科技有限公司