Power coil with built-in cooling structure

Abstract

The invention discloses a power supply coil with a built-in cooling structure. The power supply coil comprises an annular iron core and a winding coil wound on the annular iron core, and further comprises two annular heat dissipation sleeves sleeved at two ends of the annular iron core, and grooves with helical gear teeth are formed in the outer surface walls of the annular heat dissipation sleeves. The winding coil wound on the annular iron core is distributed at intervals, the two ends of the annular iron core are sleeved with the two annular heat dissipation sleeves, the grooves are formedin the outer surface walls of the annular heat dissipation sleeves, the winding wire of the winding coil is clamped into the grooves, so when the two annular heat dissipation sleeves and the winding coil are mounted, the two annular heat dissipation sleeves only need to be oppositely inserted from two sides of the winding coil and then rotate reversely, and buckling connection of the two annular heat dissipation sleeves is achieved by means of guiding of the winding coil, so the spliced heat dissipation sleeves are convenient to install and detach, the contact area of the heat dissipation sleeves with the winding coil is increased, and the heat conduction effect is improved.

Description

technical field [0001] The invention relates to the technical field of heat dissipation of excitation power supply coils, in particular to a power supply coil with a built-in cooling structure. Background technique [0002] The excitation coil will generate heat under the action of strong current. The cooling methods currently used include air cooling and water cooling. Water-cooled excitation coils are generally wound with hollow wires. A fan is used to cool the excitation coil to ensure the normal working performance of the excitation coil winding. [0003] However, for the water-cooled structure, since cooling water needs to be passed into the hollow wire, if a slight leakage occurs, it will affect the safety of the water-electric connection of the water-cooled excitation coil. [0004] Therefore, the present invention provides a power coil with a built-in cooling structure. Contents of the invention [0005] The purpose of the present invention is to propose a power ...

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Problems solved by technology

[0005] The purpose of the present invention is to propose a power coil with a built-in cooling structure in order to solve the problem that the excitation power coil has a poor heat dissipation effect through air cooling and that water and electricity safety is likely to occur when cold water is used to pass through the hollow wire.

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