Arc-control device of breaker
An arc extinguishing device and circuit breaker technology, applied in high-voltage air circuit breakers, circuits, electrical components, etc., can solve the problems of easy formation of air bubbles, short arc process, waste of operating power, etc., and achieve the effect of reducing size and operating power.
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[0025] The technical scheme of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0026] see Figure 2 to Figure 7As shown, a circuit breaker arc extinguishing device of the present invention is symmetrically arranged along the axis 21, and consists of a piston rod 1, a piston 4, a cylinder 7, a first check valve 8, a first air hole 9, a second check valve 10, The second air hole 11, the limit block 12, the stationary contact 13, the moving contact 14, the first air channel 15, the second air channel 16, the third one-way valve 17, the fourth one-way valve 18, and the spout 19 are composed. The periphery 20 of the arc extinguishing device is filled with an arc extinguishing medium gas (such as sulfur hexafluoride gas, air, etc.). The piston rod 1 passes through the cylinder 7; the piston rod 1 has two limiting surfaces, the first limiting surface 2 and the second limiting surface 5, and the piston 4 is sleeved on the outer...
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