A Low Bounce Vacuum Interrupter Structure
A vacuum interrupter and cup holder technology, which is applied to high-voltage air circuit breakers, electrical components, electric switches, etc., can solve the problems of large bounce range, long bounce time, and hot contacts, so as to shorten the bounce time and prolong the use life, reducing the effect of heating
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Embodiment 1
[0016] Embodiment 1 of the present invention: as attached figure 1 And attached figure 2 As shown, it includes a cup holder 5, the outer surface of the cup holder 5 is connected with the static conductive rod 1 and the movable conductive rod 6, the inner surface of the contact seat 5 is connected with the static contact 2 and the movable contact 4, and the inner surface of the cup holder 5 is connected. There is an annular groove 7 on the side, and the inner ring surrounded by the annular groove 7 is the middle stress part 9, and the middle stress part 9 surrounded by the annular groove 7 is provided with a positioning groove 8, and one end of the reinforcing rib 3 is snapped into the middle stress part 9 At the positioning groove on the top, the other end is connected with the static contact 2 and the movable contact 4, and a groove 10 is respectively provided on the static conductive rod 1 and the movable conductive rod 6.
[0017] During the closing process of the vacuum ...
Embodiment 2
[0019] Embodiment 2 of the present invention: The structural position and working principle of the low-bounce vacuum interrupter are as described in Embodiment 1. In order to ensure that the middle stress-bearing part 9 can undergo a small amount of plastic deformation and can Ensure that its deformation will not be too large, so as to change the performance of the entire mechanism. Therefore, when opening the annular groove 7, the diameter d of the middle force-bearing part 9 can be 30mm, and the depth of the annular groove 7 is 10mm. When the groove 10 is opened, the width corresponding to the groove 10 on the moving conductive rod 6 is L1, the width corresponding to the groove 10 on the static conductive rod 1 is L2, the range of L1 and L2 is 2-50mm, and the moving conductive rod 6 The depth H1 of the groove 10 on the top is 1 / 2 to 1 / 4 times of the diameter d1 of the moving conductive rod at the corresponding slot, and the depth H2 of the groove 10 on the static conductive r...
Embodiment 3
[0020] Embodiment 3 of the present invention: when opening the annular groove 7, the size of the diameter d of the middle stressed part 9 can be: 45mm, and the depth of the annular groove 7 can be: 15mm. When the groove 10 is opened, the width corresponding to the groove 10 on the moving conductive rod 6 is L1, the width corresponding to the groove 10 on the static conductive rod 1 is L2, the range of L1 and L2 is 2-50mm, and the moving conductive rod 6 The depth H1 of the groove 10 on the top is 1 / 3 times of the diameter d1 of the moving conductive rod at the corresponding slot, and the depth H2 of the groove 10 on the static conductive rod 1 is 1 / 3 of the diameter d2 of the static conductive rod at the corresponding slot. / 3 times.
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