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A vacuum circuit breaker and reflashing technology, which is applied to high-voltage air circuit breakers, high-voltage/high-current switches, circuits, etc., can solve the problems of inability to extend the time corresponding to the optimal arc extinguishing distance, low operating output power, and spindle swing, etc. problems, to avoid uneven force, slow down arc burning, and close synchronously
Active Publication Date: 2018-03-02
四川奇通电气成套设备有限公司
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[0005] In view of the above shortcomings, the purpose of the present invention is to provide a high-voltage non-reignition vacuum circuit breaker, which mainly solves the problems in the prior art that the time corresponding to the optimal arc extinguishing opening distance cannot be extended, the operating output power is low, and the main shaft is in motion. There are problems such as swinging and bending during the process
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[0036] Such as Figure 1 to Figure 8 As shown, the present invention provides a high-voltage non-reignition vacuum circuit breaker, which mainly includes a support frame 2, an installation base 1 fixedly connected to the support frame 2, an operating mechanism 3 fixed on the support frame 2, and installed on the support frame 2. A, B, and C three-phase magnetic bushings 4 on the top and connected to the operating mechanism 3, and the insulating rod 5 and vacuum interrupter 8 built in the magnetic bushing 4, wherein the outer surface 8 of the empty interrupter is honeycomb cast Structure, the moving contact and the static contact are set in the vacuum interrupter 8, the moving contact is connected to the incoming line seat 46 through a copper soft connection, and the static contact is connected to the outgoing line seat 47, thereby forming an electrical high voltage path.
[0037] In order to ensure the reliable arc extinguishing of the opening, reduce the reciprocating vibrati...
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Abstract
The present invention discloses a high-voltage no-reignition vacuum circuit breaker which mainly solves the problems in the prior art that the time corresponding to an optimal arc extinguishing open distance at opening cannot be prolonged, the opening and closing output power is low, a main shaft swings and bends during a rotation process, etc. The vacuum circuit breaker comprises a supporting rack, an installing pedestal, an operating mechanism, a magnetic sleeve, a contact, an insulating pull rod and a vacuum arc-extinguishing chamber, wherein the operating mechanism also comprises an operating mechanism box, the main shaft, a reduction gearbox, an energy storage motor, an opening spring, a closing energy storage rod, a first closing spring, an auxiliary switch, an opening button, a closing button, an energy storage indicating part, a movable energy absorption limiting device, an overshoot adjusting pad, an energy storage limiting arm, an opening measure, a closing measure, a first closing energy storage connecting lever, a closing coil, an opening coil, a speed regulation device, a supporting bearing, a second closing energy storage connecting lever and a second closing spring.The high-voltage no-reignition vacuum circuit breaker of the present invention has the advantages of being simple in structure, large in output power, reliable in speed reduction and excellent in arcextinguishing performance, etc.
Description
technical field [0001] The invention relates to the technical field of vacuum circuit breakers, in particular to a high-voltage non-reignition vacuum circuit breaker. Background technique [0002] Vacuum circuit breaker is an electrical device used to open / close the electrical circuit in the power distribution network. When the electrical circuit fails, it can quickly and accurately cut off the faulty circuit to ensure the safe and stable operation of the power line. The vacuum circuit breaker mainly includes lead terminals, vacuum interrupter, magnetic bushing, operating mechanism, support frame, and installation base. Among them, the operating mechanism includes the operating mechanism box, energy storage motor, main shaft, reducer, opening spring, closing spring, opening coil, closing coil, opening control, closing control, auxiliary switch, opening button , Closing button, spindle linkage lever, etc. When the vacuum circuit breaker is opened, at the moment when the mov...
Claims
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