An intelligent high-voltage dual power conversion switch
A dual power switching and power switching technology, applied in high-voltage/high-current switches, electrical switches, emergency power supply arrangements, etc., can solve the problems of personnel and equipment damage, line power supply, air breakdown, arc short circuit, etc., to eliminate potential safety hazards, The effect of ensuring safe use and prolonging electrical life
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Embodiment 1
[0021] figure 1 It is a schematic structural diagram of the first structure of the present invention, and shows the first specific embodiment of the present invention.
[0022] This embodiment is an intelligent high-voltage dual power switch, see figure 1 , Including the airtight box 1, three main power connection posts 2, three backup power connection posts 3 and three load connection posts 4 arranged on the airtight box body 11, and the power supply arranged in the airtight box 1 Switching mechanism 5; characterized in that: the switch also includes a three-phase vacuum circuit breaker device 6, the three-phase vacuum circuit breaker device 6 includes three vacuum interrupters 61, three movable contacts 62, three static contacts A head 63 and an operating mechanism 64, each of the moving contacts 62 / static contacts 63 is electrically connected to a corresponding throwing and cutting contact knife 6, and each of the static contacts 63 / moving contacts 62 is connected to a corre...
Embodiment 2
[0024] figure 2 It is a schematic structural diagram of the second structure of the present invention, showing the second specific embodiment of the present invention.
[0025] This embodiment is basically the same as embodiment 1, the difference is: see figure 2 , The throwing and cutting touch blades 52 are V-shaped touch blades, and the switching mechanism 5 further includes a touch blade rotating shaft 53 used as the rotation center axis of each V-shaped touch blade, and used to connect the switching spindle 51 with each V-shaped touch blade. Insulated rod 54 of the contact knife.
[0026] There are two common V-shaped contact knives: "three-station" and "two-station". The "three-station" V-shaped contact knife means that the contact knife 52 can stay in the electrical connection with the main power terminal 2 On the first station, the second station, which is electrically connected to the backup power terminal 3, is located in the middle of the main power terminal 2 and th...
Embodiment 3
[0028] image 3 with Figure 4 Shows the third specific embodiment of the present invention, in which image 3 Is a schematic diagram of the third structure of the present invention, Figure 4 Yes image 3 The structure diagram of the intelligent high-voltage dual power supply switch is shown when it is in the main power supply state.
[0029] This embodiment is basically the same as embodiment 1, the difference is: see image 3 with Figure 4 The airtight box 1 in this embodiment and the power switching mechanism 5 arranged in the airtight box 1 are different from those in the first embodiment in shape and structure. The basic shape of the airtight box 1 in this embodiment is similar In a circular shape, the airtight box 1 is provided with a metal slide 8 for electrical connection with the movable contact 62 / static contact 63 of the vacuum circuit breaker 6, and each switching contact in the power switching mechanism 5 Each of the knives 52 has two contact arms symmetrically arrang...
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