Air conditioning system and refrigerant heat dissipation device and method thereof

Abstract

The invention discloses an air conditioning system and a refrigerant heat dissipation device and method thereof. The refrigerant heat dissipation device comprises a refrigerant heat exchanger used fordissipating heat of a part to be subjected to heat dissipation, a first refrigerant pipeline which is used for conveying the refrigerant split from an refrigeration system of the air conditioning system to the refrigerant heat exchanger, a second refrigerant pipeline which is used for conveying the refrigerant flowing out of the refrigerant heat exchanger to the refrigeration system, a first control valve arranged on the first refrigerant pipeline, a second control valve arranged on the second refrigerant pipeline, a first temperature detection unit which is used for detecting refrigerant temperature of a first port of the refrigerant heat exchanger, a second temperature detection unit which is used for detecting the temperature of the part to be subjected to heat dissipation, a control unit which is used for adjusting an opening degree of the first control valve according to the refrigerant temperature of the first port of the refrigerant heat exchanger, and adjusting the opening degree of the second control valve according to the refrigerant temperature of the first port of the refrigerant heat exchanger and the temperature of the part to be subjected to heat dissipation. The refrigerant heat dissipation device has the advantages that the problems of condensation and insufficient cooling capacity can be solved.

Description

technical field [0001] The invention relates to the technical field of air conditioning, in particular to a refrigerant heat dissipation device for an air conditioning system, an air conditioning system with the refrigerant heat dissipation device, and a refrigerant heat dissipation method for the air conditioning system. Background technique [0002] As the functions of the air conditioner gradually increase, the power devices carried by the air conditioner, such as IGBT (Insulated Gate Bipolar Transistor, insulated gate bipolar transistor) power devices, also continue to increase, and the heat generated by the electric control box is increasing. [0003] In related technologies, for the problem of high heat generation of the electric control box, the solutions include air cooling and refrigerant cooling. Among them, air cooling requires additional cooling fans and air ducts in the air conditioner, which takes up a lot of space. Refrigerant cooling Since the state of the r...

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Problems solved by technology

[0005] Therefore, the first object of the present invention is to propose a refrigerant cooling device for an air-conditioning system, which can solve the problem of condensation and cooling caused by refrigerant cooling in the related art by adjusting the opening degrees of the first control valve and the second control valve. The problem of insufficient cooling capacity

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