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Flash barrier of arc extinguishing system

A technology of arc extinguishing plates and arc extinguishing, which is applied to circuit breaker components and other directions, and can solve problems such as poor arc extinguishing effect, poor assembly efficiency of arc extinguishing grids, and difficult arc length.

Pending Publication Date: 2020-10-27
上海瑞忒尔电气技术有限公司 +1
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] The arc extinguishing plate of the existing arc extinguishing system has poor arc extinguishing effect when used, and in view of the volume limit of the arc extinguishing plate, it is difficult to maximize the arc length. At the same time, the assembly efficiency of the arc extinguishing grid is poor. Therefore, we propose An arc baffle plate for an arc extinguishing system to solve the above disadvantages

Method used

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  • Flash barrier of arc extinguishing system
  • Flash barrier of arc extinguishing system

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Embodiment

[0019] Example: see Figures 1 to 2 , the present invention provides a technical solution: an arc chute for an arc extinguishing system, comprising: an arc chute main body 1, the front and back of the arc chute main body 1 are provided with two arc extinguishing chambers 2, and the arc extinguishing chamber 2 is arranged There are a number of arc extinguishing grids 3, the main body of the arc baffle 1 is provided with an arc running plate 4, the main body of the arc baffle 1 is provided with a plate groove 5 matching the shape of the arc extinguishing plate 4, and the main body of the arc baffle 1 is There is also a component slot 6 running through it. The main body of the arc shield 1 is made of insulating plastic, and the main body of the arc shield 1 fully isolates the two arc extinguishing chambers 2. The main body of the arc shield 1 is integrally formed at one end of the upper arc extinguishing chamber 2. There are several blocks 7 equidistantly distributed. One end of ...

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Abstract

The invention relates to the technical field of arc extinguishing devices, in particular to a flash barrier of an arc extinguishing system. The flash barrier of the arc extinguishing system comprisesa flash barrier main body, two arc extinguishing chambers are arranged on the front surface and the back surface of the flash barrier main body; a plurality of arc extinguishing grid sheets are arranged in the arc extinguishing chambers; a run-on plate is arranged on the flash barrier main body in a penetrating manner; the flash barrier main body is provided with a plate groove matched with the shape of the run-on plate; an assembly groove is arranged in the flash barrier main body in a penetrating manner; according to the invention, the arc striking plate and the plate groove are arranged, sothat electric arcs of the two arc-extinguishing chambers can be connected in series, and for the structure that the electric arcs are connected in series, the arc-isolating plate is facilitated to form an insulating layer to maximize the length of the electric arcs, so that the two arc-extinguishing chambers are fully utilized.

Description

technical field [0001] The invention relates to the technical field of arc extinguishing devices, in particular to an arc shield of an arc extinguishing system. Background technique [0002] A circuit breaker refers to a switching device that can close, carry and break current under normal circuit conditions and can close, carry and break current under abnormal circuit conditions within a specified time. Circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to their scope of use. At present, in low-voltage circuit breakers, the arc extinguishing system usually adopts a grid type arc extinguishing chamber structure. [0003] The arc extinguishing plate of the existing arc extinguishing system has poor arc extinguishing effect when used, and in view of the volume limit of the arc extinguishing plate, it is difficult to maximize the arc length. At the same time, the assembly efficiency of the arc extinguishing grid is poor. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H73/18
CPCH01H73/18
Inventor 王斌刘时胜李阳智付志强
Owner 上海瑞忒尔电气技术有限公司
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