Clamping mechanism used for transformer iron core

Abstract

The invention discloses a clamping mechanism used for a transformer iron core. The clamping mechanism comprises a transformer shell; an iron core is mounted in the central position of the bottom of the transformer shell, and a winding coil is wound around the surface of the iron core; the clamping mechanism is mounted on the upper surface of the iron core; a high-voltage binding post is mounted on the left side of the upper surface of the transformer shell while a low-voltage binding post is mounted on the right side; a tap switch is also embedded in the shell between the high-voltage binding post and the low-voltage binding post; the clamping mechanism comprises a fixed circular plate base; the fixed circular plate base is fixedly mounted on the shell walls on the two sides above the iron core; a scale division motor is welded in the centre of the fixed circular plate base; the scale division motor is horizontally fixed; the motor rotary shaft is sleeved with a floating coupler through a sleeving flange; the floating coupler transversely extends to the upper surface of the iron core; a clamping claw is mounted at the tail end of the floating coupler; and a conductive sheet is welded at the front end of the claw of the clamping claw. By adoption of the clamping mechanism, the input and output proportion of the transformer can be adjusted conveniently, and high control precision and low transmission loss are realized.

Description

technical field [0001] The invention relates to the field of electric equipment, in particular to a clamping mechanism for a transformer iron core. Background technique [0002] A transformer is a device that transforms AC voltage, current, and impedance. When an AC current passes through the primary coil, an AC magnetic flux is generated in the iron core (or magnetic core), which induces a voltage (or current) in the secondary coil. The transformer consists of an iron core (or magnetic core) and a coil. The coil has two or more windings. The winding connected to the power supply is called the primary coil, and the remaining windings are called the secondary coil. In a generator, whether the coil moves through the magnetic field or the magnetic field moves through the fixed coil, an electric potential can be induced in the coil. In both cases, the value of the magnetic flux remains the same, but the amount of magnetic flux intersecting the coil is different. Change, this is...

AI Technical Summary

Problems solved by technology

For adjustable transformers, since the position between the iron core and the winding coil is relatively fixed, to adjust the number of turns of the coil is generally to move the electric shock up and down directly, not only the control accuracy is poor, but also the transmission loss is large due to the large contact resistance of the electric shock

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