Arc-extinguishing device of the breaker
A technology of an arc extinguishing device and a circuit breaker, which is applied to circuit breaker parts, circuits, electrical components, etc., can solve the problems of inability to guarantee the air pressure conditions of the arc extinguishing chamber, and the inability to regulate the air pressure of the arc extinguishing chamber, and achieves low cost and structural Simple, effect with increased overlapping area
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[0010] As shown in the figure, arc extinguishing grids 2 are installed in the housing 1 of the circuit breaker arc extinguishing device of the present invention, and they together form an arc extinguishing chamber. One end of the layer of elastic reeds is respectively fixed on the two side walls of the housing, the other ends of the two layers of elastic reeds are freely attached together, and the positions of the grid grooves 4 on the two layers of elastic reeds are staggered from each other in the horizontal direction.
[0011] When the air pressure in the arc extinguishing chamber is small, such as figure 1 , figure 2 As shown, the overlapping parts of the two layers of grid grooves 4 are small or not overlapped, so the gas flux is small, which is conducive to maintaining the air pressure in the arc extinguishing chamber; when the air pressure in the arc extinguishing chamber is high, as image 3 , Figure 4 As shown, since the free ends of the elastic reeds 3 are lifted...
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