SF6 circuit breaker formula explosion chamber of calming anger

The utility model provides a SF6 circuit breaker formula explosion chamber of calming anger, include: static contact module and moving contact module, the static contact module includes the quiet arc contact, the moving contact module includes the air cylinder, moves arc contact and tubulose nozzle, it reaches to move the arc contact the tubulose nozzle all with the cylinder bottom of air cylinder is connected, forms the plenum chamber between the cylinder bottom of air cylinder and the piston, and the hole and the plenum chamber of tubulose nozzle communicate each other, move the arc contact with the cooperation of quiet arc contact is equipped with a plurality of one way check valve units that admit air towards the plenum chamber on the piston of air cylinder. Carry on autoeclosing when operation when the circuit breaker, the inside gas pressure of plenum chamber is lighter than outside gas pressure, and the one way check valve unit is opened, the extraneous gas gets into the plenum chamber through the one