Cooling system and method for electric control unit of air conditioner

A technology of cooling system and cooling method, which is applied in the direction of air conditioning system, heating method, space heating and ventilation, etc., and can solve the problems of affecting the cooling capacity of the whole machine and poor heat exchange effect

Active Publication Date: 2015-12-16
GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1
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AI Technical Summary

Problems solved by technology

[0005] In recent years, there has been a solution in the industry to use refrigerants to dissipate heat from electronic control chips, but no controllable solution has been used. Instead, the flow path of the integrated system has flowed into the chip circuit. This way, on the one hand, the heat transfer effect is poor. Affect the cooling capacity of the whole machine

Method used

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  • Cooling system and method for electric control unit of air conditioner
  • Cooling system and method for electric control unit of air conditioner

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Embodiment 2

[0040] An electronically controlled cooling system for an air conditioner provided in Embodiment 2 is basically the same in structure as Embodiment 1, and the similarities will not be repeated here. The difference lies in:

[0041] Such as figure 2 As shown, it also includes a second passage 9 and a second switch 91; one end of the second passage 9 is communicated with the first circuit, and the other end is connected with the inlet of the compressor 1, and the second passage 9 is also used for the first circuit. The refrigerant divides and cools the electronic control unit 8, and the connection points of the first passage 7 and the second passage 9 and the first circuit are respectively located on both sides of the throttling element 4; the second switch 91 is arranged on the second passage 9, and connect with the controller.

[0042] This embodiment also provides an electronically controlled cooling method for an air conditioner. On the basis of the above structure, the me...

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PUM

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Abstract

The invention relates to the technical field of cooling of electric control units of air conditioners and provides a cooling system and method for an electric control unit of an air conditioner. The cooling system and method are used for cooling the electric control unit of the air conditioner. The system comprises a compressor, an outdoor unit, a throttling element and an indoor unit which are sequentially connected to a first loop in series. The system further comprises a first passage. One end of the first passage is communicated with the first loop. The other end of the first passage is communicated with an inlet of the compressor. The first passage is used for making a small number of condensing agents flow out of the first loop. The electric control unit is cooled in a heat exchange mode. Due to the fact that the temperature of the condensing agents is far lower than the temperature of a chip of the electric control unit, the purpose of cooling can be realized by communicating the first passage with any joint in the first loop. In addition, only a small number of condensing agents are made to flow out of the first loop, so that normal operation of the air conditioner is influenced slightly.

Description

technical field [0001] The invention relates to the technical field of electronically controlled cooling of an air conditioner, and in particular provides an electronically controlled cooling system and a cooling method for an air conditioner. Background technique [0002] With the development of the economy, people are now more and more pursuing the comfort of life, and pay more attention to the energy saving and comfort of air conditioners. Inverter air conditioners have been widely promoted and applied for their rapid cooling and heating, high temperature control accuracy, comfort and energy saving. [0003] The frequency conversion air conditioner mainly controls the change of the operating frequency of the compressor according to the signal feedback through the control circuit. The higher the operating frequency, the greater the current. Coupled with the particularity of the application of air-conditioning products, the reliability of electronic components must be cons...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F1/24
CPCF24F1/24
Inventor 李文博张桃
Owner GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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