Double turn type longitudinal magnetic field contact for vacuum arc extinguishing chamber
A technology of vacuum interrupter and longitudinal magnetic field, which is applied in the direction of high-voltage air circuit breakers, electrical components, electric switches, etc., can solve the problems of stable arc, insufficient single-turn coil magnetic field, and cannot meet the needs of use, so as to improve stability, The effect of extending the service life
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[0011] As shown in FIG. 1 and FIG. 2 , the present invention includes a conductive rod 1 , a current coil formed by connecting a front coil 4 and a rear coil 3 , and a contact piece 5 . The current coil is arranged between the conductive rod 1 and the contact piece 5, and the conductive rod 1, the current coil and the contact piece 5 are connected in series in sequence. It can be seen from the figure that the current coil is composed of two turns before and after, which is a double-turn coil. The center is fixedly connected, and the rear connection end 31 is fixedly connected to the conductive rod 1 .
[0012] The shape of the front turn coil 4 and the back turn coil 3 and the connection structure between them are: the front turn coil 4 and the back turn coil 3 are in the shape of a ring with an open gap, and one end of the ring extends along the radial direction and is located at the center of the circle. The terminal on the position is made into connection end, and the cent...
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