Dual-power conversion mechanism and power supply power having dual-power conversion mechanism
A dual power conversion and common power supply technology, applied in circuits, electrical switches, electrical components, etc., can solve the problems of lack of mechanical self-locking devices and safety hazards in common power supplies and backup power supplies, and achieve the effect of fast action and improved switching speed.
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[0040] This embodiment provides a dual power conversion mechanism, such as Figure 1 to Figure 3 shown, which includes:
[0041] A commonly used power switch 1 is a vacuum tube switch, which includes a first moving contact 2 and a first static contact 3 opposite to the first moving contact 2;
[0042] The standby power switch 4 is a vacuum tube switch, which includes a second moving contact 5 and a second static contact 6 opposite to the second moving contact 5; existing power transfer switches all use air arc-extinguishing contacts , referred to as the air contact. It takes at least 10ms to extinguish the arc generated when the moving contact and the static contact are separated under air conditions; Together, a travel time of at least 20ms must be reserved for existing moving contacts. Therefore, the existing dual power supply switch cannot complete the conversion within 20ms. In this application, a vacuum tube switch is used to replace the existing air arc-extinguishing...
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