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Heat dissipation device used for controller in air conditioner and cooling method

A heat dissipation device and controller technology, which is applied in the direction of household heating, heating methods, air conditioning systems, etc., can solve the problem that the air conditioner controller cannot cool down, achieve the effect of keeping the total amount of refrigerant stable, realizing cooling effect, and easy operation

Active Publication Date: 2019-09-27
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the defect that the air-conditioning controller in the prior art cannot cool down

Method used

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  • Heat dissipation device used for controller in air conditioner and cooling method

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Effect test

Embodiment 1

[0046] In this embodiment, a cooling device for the controller 16 in the air conditioner is provided, such as figure 1 As shown, it includes: a compressor refrigeration system, including a compressor 1 connected to each other, a four-way reversing valve 2, an indoor heat exchanger 3, a first throttling element 4 and an outdoor heat exchanger 5, and a refrigerant circulates inside;

[0047] The absorption refrigeration system 6 is connected with the compressor refrigeration system through the inflow pipeline 7, including: a generator 8, which is provided with at least two mutually soluble working fluids, wherein at least one of the working fluids has a boiling point higher than The boiling point of other working fluids, the refrigerant flowing out of the compressor refrigeration system flows into the inside of the generator 8, wherein the temperature of the refrigerant is at least lower than the boiling point of the highest boiling working fluid and higher than the boiling point...

Embodiment 2

[0064] This embodiment provides a method for cooling a heat sink for a controller in an air conditioner, including a compressor refrigeration system and an absorption refrigeration system. The absorption refrigeration system is provided with a generator, and the generator is provided with mutually soluble At least two working fluids, wherein the boiling point of at least one working fluid is higher than the boiling point of other working fluids, the cooling method includes the following steps:

[0065] Obtain the boiling temperature of various working fluids corresponding to the rated pressure inside the generator;

[0066] Obtaining the temperature of the refrigerant inside the compressor refrigeration system;

[0067] When the temperature of the refrigerant is higher than the boiling temperature of at least one working fluid and lower than the boiling temperature of at least one working fluid, the refrigerant acts on multiple mixed working fluids inside the housing.

[0068...

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Abstract

The invention provides a heat dissipation device used for a controller in an air conditioner and a cooling method. According to the device and method, a high-temperature refrigerant produced through a compressor in a compressor refrigerating system is fully utilized, the high-temperature refrigerant in the compressor refrigerating system serves as the energy source for working medium boiling in an absorption refrigerating system, after at least one working medium in a generator of the absorption refrigerating system absorbs heat and boils, the gasified working medium serves as a refrigerant of the absorption refrigerating system and circulates, and through cooperation of a condenser, an evaporator and a throttling component, the controller is cooled through the evaporator in the absorption refrigerating system. Meanwhile, the high-temperature refrigerant of the compressor refrigerating system is fully utilized as the power source of the absorption refrigerating system, and on the premise that other heat sources are not introduced, a heat dissipation effect on the controller is achieved. On the premise that the air conditioner overall energy consumption is guaranteed to be unchanged, a cooling effect on the controller is achieved.

Description

technical field [0001] The invention relates to the technical field of air-conditioning controllers, in particular to a cooling device and a cooling method for a controller in an air-conditioner. Background technique [0002] In the existing air conditioner products, the controller is an essential device. The controllers in the prior art are often set outdoors. During use, it is necessary to dissipate heat from the controller, so as not to cause damage to the components or reduce the service life of the components due to excessive temperature of the controller components. [0003] Especially in summer, because the controller of the indoor unit is indoors, the temperature of the working environment is relatively low, so it can have a better heat dissipation effect, but the working environment of the controller of the outdoor unit is much harsher, and the outdoor temperature in summer is as high as 46°C . Therefore, during cooling operation, the working environment temperat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F1/24
CPCF24F1/24
Inventor 赖聪杨春霞程春雨邹云辉吕千浩
Owner GREE ELECTRIC APPLIANCES INC