Variable resistor and cluster thereof, and motor starter
A technology of motor starters and resistors, which is applied in the direction of motor generators/starters, starters of single multi-phase induction motors, resistors, etc., can solve the problems of easy damage and complex mechanical structures, and achieve low cost and low cost. Low, simple structure effect
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Embodiment 1
[0066] Implementation example 1, such as figure 1 As shown, a variable resistor is mainly composed of an insulating container 100, an electrode 101, an electrode 1012, a conductor 103, a resistive fluid 102, a buoyant body 104, a spring 105, and a rotating shaft 106; the insulating container 100 has an annular shape The center of the insulating container 100 has a hole column (guide function, the surface of the early cavity is the guiding structure surface); the hole column in the center of the insulating container 100 is fixedly connected to the rotating shaft; the center of the conductor 103 has a circular hole, and the conductor 103 can The sliding sleeve is placed on the hole column in the center of the insulating container 100; there is a spring 105 between the conductor 103 and the insulating container 100; the conductor 103 and the buoyant body 104 together form a floating conductor; the spring 105 constitutes the insulating container 100 and the floating conductor The e...
Embodiment 2
[0067] Implementation example 2, such as figure 2 As shown, a variable resistor is mainly composed of an insulating container 200, an electrode 201, an electrode 2012, a conductor 203, a resistive fluid 202, a buoyant body 204, and a rotating shaft 206; the insulating container 200 has an annular shape; the insulating container There is a hole column in the center of 200 (a guiding function, and the surface in the early cavity is the guiding structure surface); the hole column in the center of the insulating container 200 is fixedly connected with the rotating shaft; the center of the conductor 203 has a circular hole, and the conductor 203 can slide a sleeve On the hole column in the center of the insulating container 200; the conductor 203 and the buoyant body 204 together form a floating conductor; the electrode 201 and the electrode 2012 penetrate the bottom of the insulating container 200 and intervene in the cavity of the insulating container 200; figure 1 In a is the sta...
Embodiment 3
[0068] Implementation example 3, such as image 3 As shown, a variable resistor is mainly composed of an insulating container 300, an electrode 301, an electrode 3012, a resistance liquid 302, a conductor 303 (paramagnetic), a buoyant body 304, a magnet 305, and a rotating shaft 306; the insulating container 300 The shape is a circular ring; the center of the insulating container 300 has a hole column (a guiding function, and the surface in the early cavity is the guiding structure surface); the center hole of the insulating container 300 is fixedly connected to the rotating shaft; the conductor 303 has a hole in the center , The conductor 303 is slidably sleeved on the hole column in the center of the insulating container 300; between the conductor 303 and the insulating container 300 (physical connection path (solid contact and magnetic connection), non-spatial path) there is a magnet 305; conductor 303 Together with the buoyant body 304, it constitutes a floating conductor; t...
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