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Air conditioner and air conditioner power component cooling method

A power component and air-conditioning technology, applied in air-conditioning systems, space heating and ventilation, heating methods, etc., can solve radiator condensation or frost, endanger the reliability of power components, and cannot reduce the temperature of power components, etc. problems, to achieve the effect of preventing condensation or frosting

Inactive Publication Date: 2014-10-08
GREE ELECTRIC APPLIANCES INC
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

In particular, the frequency conversion module in the frequency conversion air conditioner plays a role of power conversion and amplification in the entire frequency converter. The switching loss and the resistance of the module itself will generate a lot of heat during the working process. If the heat is not dissipated in time out, it will seriously affect the performance of the frequency conversion module or even burn the frequency conversion module
[0003] However, in many cases, the temperature of power components cannot be reduced to a safe and reliable range due to the limitation of product structure space and the high cost of heat sink materials. Therefore, a solution to cool the heat sink with refrigerant is proposed
[0004] Since the frequency conversion module is located in the electrical box of the outdoor unit of the air conditioner, if the temperature of the refrigerant cannot be well controlled during the process of using the radiator to dissipate heat, it will cause problems such as condensation or frost on the radiator, which will seriously Harm the reliability of power components

Method used

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  • Air conditioner and air conditioner power component cooling method
  • Air conditioner and air conditioner power component cooling method
  • Air conditioner and air conditioner power component cooling method

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Embodiment Construction

[0049] The present invention will be described below with reference to the accompanying drawings. It is to be noted that the following description is merely explanatory and exemplary in nature, and in no way serves as any limitation of the invention, its application or uses. Relative arrangements of components and steps and numerical expressions and numerical values ​​set forth in the embodiments do not limit the scope of the present invention unless otherwise specifically stated. Additionally, techniques, methods and devices known to those skilled in the art may not be discussed in detail but are intended to be part of the description where appropriate.

[0050] figure 1 is a structural schematic diagram of an air conditioner according to an embodiment of the present invention.

[0051] Such as figure 1 As shown, the air conditioner 10 in this embodiment may include a radiator 102 , a refrigerant pipe 104 and a throttling device 106 . Among them, the radiator 102 is used ...

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Abstract

The invention relates to an air conditioner and an air conditioner frequency converter cooling method. The air conditioner comprises a radiator, a refrigerant pipeline and a throttling device, wherein the radiator is used for dissipating heat of a power component of the air conditioner; the refrigerant pipeline is located between an outdoor unit heat exchanger and an indoor unit heat exchanger and passes through the radiator; the throttling device is located on the refrigerant pipeline and used for controlling a refrigerant in the refrigerant pipeline to enable the refrigerant to pass through the radiator in the state of two-phase flow. The air conditioner can prevent the radiator located at an outdoor unit of the air conditioner from condensing or frosting.

Description

technical field [0001] The invention relates to the field of air conditioners, in particular to an air conditioner and a cooling method for air conditioner power components. Background technique [0002] The power components of the inverter air conditioner generate a lot of heat, so a large radiator needs to be designed to dissipate heat from the power components of the inverter air conditioner. In particular, the frequency conversion module in the frequency conversion air conditioner plays a role of power conversion and amplification in the entire frequency converter. The switching loss and the resistance of the module itself will generate a lot of heat during the working process. If the heat is not dissipated in time It will seriously affect the performance of the frequency conversion module or even burn the frequency conversion module. [0003] However, in many cases, the temperature of power components cannot be reduced to a safe and reliable range due to the limitation...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F1/24
Inventor 熊军梁博张辉
Owner GREE ELECTRIC APPLIANCES INC
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