Flooding-type varnished wire cable for high-power handheld transformer winding

Abstract

The invention discloses a flooding-type varnished wire cable for a high-power handheld transformer winding. Two ends of a minuteness varnished wire harness cable are respectively stretched into two copper pipe center holes to achieve connection, and the sections of joints of two copper pipes and the minuteness varnished wire harness cable are in a semicircular shape in mould-pressing mode; a polytetrafluoroethylene sleeve is sleeved outside the two copper pipes and the minuteness varnished wire harness cable, and a cooling water channel used for passing of ion cooling water is formed between the minuteness varnished wire harness cable and the polytetrafluoroethylene sleeve; the wall of the first copper pipe of a section of gap between the left end of the minuteness varnished wire harness cable and the right end of a water inlet joint inside the first copper pipe center hole is provided with a water inlet; and the wall of the second copper pipe of a section of gap between the right end of the minuteness varnished wire harness cable and the left end of the water inlet joint inside the second copper pipe center hole is provided with a water outlet. The minuteness varnished wire harness cable is soaked in deion cooling water, and a large amount of work heat can be taken away.

Description

technical field [0001] The invention relates to an enameled wire cable, in particular to a water-immersed enameled wire cable for medium-high frequency electromagnetic induction heating of high-power hand-held transformer windings. Background technique [0002] In the prior art, the high-power hand-held transformer used for medium and high-frequency electromagnetic induction heating uses winding coils to convert the high-frequency and high-voltage electricity output by the power switch tube into high-frequency and low-voltage electricity. To insulate the copper tube, the copper tube is softened by local annealing at the bend of the copper tube. When the winding coil is working, through the water inlet and outlet of the main coil and the secondary coil, the deionized cooling water is passed into the primary and secondary coils wound by copper tubes, and the internal work of the high-power hand-held transformer winding coil is taken away. of heat. [0003] Due to the technol...

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Problems solved by technology

[0003] Due to the technological characteristics of the copper tube when winding the winding coil of a high-power hand-held transformer, the number of turns of the coil cannot be too many, so it affects the development of a higher-power hand-held transformer. effect, a larger power hand-held transformer requires a copper tube with a larger diameter to meet the skin effect requirements of a greater current density flowing on it, and also requires a thicker tube flow section to take away heat The flow rate of the deionized cooling water is large enough. In view of the above reasons, the larger power hand-held transformers tend to be larger in size and weight, which is not conducive to the long-term use of on-site personnel. When heating thicker metal , Larger and high-power transformers can only be used in the workplace when they are installed on related equipment. Therefore, the input cost of equipment is increased.

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