A temperature control device, method and electrical equipment of a power device

Abstract

The invention discloses a temperature control device, method and electrical equipment of a power device. The device comprises: a semiconductor thermopile unit, which detects the temperature of the power device to obtain the current temperature of the power device; an acquisition unit, which detects the temperature of the power device; Detecting the current of the power device to obtain the current current of the power device; and detecting the voltage of the power device to obtain the current voltage of the power device; the control unit, according to the current temperature and the adjacent The current current and the current voltage within two cycles generate a first control signal capable of controlling the cooling capacity of the semiconductor thermopile unit; the semiconductor thermopile unit is also under the control of the first control signal, The cooling capacity of the semiconductor thermopile unit itself is adjusted to control the current temperature of the power device. This solution can reduce the heat dissipation difficulty of the power devices in the electric controller of the electrical equipment, and improve the heat dissipation performance.

Description

technical field [0001] The invention belongs to the technical field of electrical equipment, and in particular relates to a temperature control device, method and electrical equipment of a power device, in particular to a control device, method and electrical equipment for precise temperature control of IGBT based on thermoelectric refrigeration. Background technique [0002] The demand for miniaturization and ultra-thinning of electrical equipment (such as air conditioners) has become a trend in the development of next-generation air conditioners. Similarly, the electric controller of the air conditioner also needs to be miniaturized in order to realize more functions in a limited design space. In the electric controller of the air conditioner, good heat dissipation of power devices such as IGBT (Insulated Gate Bipolar Transistor, that is, insulated gate bipolar transistor) has always been a difficult problem to solve. [0003] The above content is only used to assist in u...

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a temperature control device, method and electrical equipment of a power device, so as to solve the problem that the heat dissipation of the power device in the electric controller of the electrical equipment is difficult, and to reduce the power of the electric controller of the electrical equipment. The heat dissipation difficulty of the device, the effect of improving the heat dissipation performance

Images