Circulated cold air apparatus for high voltage frequency conversion equipment

Abstract

A cycle cold wind device used in the high pressure frequency conversion device, includes a high pressure frequency conversion device cabinet for the cooling process to the heating components in the cabinet, a heat exchange cabinet for the separating cool to the hot air by the water in the disk pipeline, an air intake connecting channel for delivering the hot air discharged from the high pressure frequency conversion device into the air inlet of the heat exchange cabinet, and an air outtake connecting channel for delivering the cold air discharged from the heat exchange cabinet into the air inlet of the high pressure frequency conversion device. The air in the high pressure frequency conversion device and the heat exchange cabinet constitutes a sealing space of the cold and hot air cycle flow through the air intake connecting channel and the air outtake connecting channel. The device is changed into the sealing door from the traditional high pressure frequency conversion device, then is added with a heat exchange cabinet and two vent channels, thereby better solving the defect on the heat radiation of the high pressure frequency conversion device, with the advantage of simple structure, practicality, low cost of the manufacture, the use and the maintenance, long service life and marked efficacy.

Description

technical field [0001] The invention relates to a matching device for high-voltage frequency conversion equipment, specifically, to a circulating cooling air device for high-voltage frequency converter power unit cabinets, transformer cabinets or other high-voltage frequency conversion equipment, and belongs to the technical field of power electronic equipment. Background technique [0002] With the development of microelectronics, power electronics technology, electronic computer technology and automatic control theory, frequency conversion technology has entered a new era, not only widely used in many fields, but also developing rapidly with each passing day. [0003] As we all know, the essence of frequency conversion technology is to invert direct current into alternating current, or convert alternating current into direct current and then invert it into alternating current of different frequencies, or convert direct current into alternating current and then convert alter...

AI Technical Summary

Problems solved by technology

However, the water-cooling method also has its disadvantages: because there are pipelines for the upper and lower water installed near the power unit, it is very inconvenient to plug and unplug the power unit; there is also a serious hidden danger of pipeline leakage, and it is very inconvenient to operate

Furthermore, the operation of high-voltage frequency conversion equipment will ionize the cooling water and produce a lot of ions. In order to ensure the electrical insulation of the equipment and personal safety, the water ion absorber device becomes an accessory device that must be added, so that the cost will also increase. , and the installation and maintenance are more cumbersome

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