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Antifreezing control method of air conditioner evaporator

A control method and evaporator technology, applied in the field of control, can solve problems such as brand image loss, user complaints, economic losses, etc., and achieve the effect of improving user satisfaction and overall machine performance

Inactive Publication Date: 2009-08-19
宁波海诚电器有限公司
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  • Summary
  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the evaporating temperature is lower than 0°C, the evaporator will be frosted and frozen, which will affect the cooling performance of the air conditioner, or even completely lose the cooling function. In severe cases, the compressor will be damaged, which often causes users Complaints, causing unnecessary loss of brand image and economic loss

Method used

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  • Antifreezing control method of air conditioner evaporator
  • Antifreezing control method of air conditioner evaporator

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Embodiment Construction

[0014] The control method for anti-freezing of the evaporator of the air conditioner of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0015] see figure 1 As shown, the basic principle of air conditioner refrigeration is: the refrigerant is compressed by the air conditioner compressor 1, the compressor 1 discharges high-temperature and high-pressure gas, the high-temperature and high-pressure gas passes through the outdoor unit condenser 2, and the refrigerant is liquefied by the condenser 2 to release heat. The liquefied liquid then flows through the indoor evaporator 3 through the capillary tube, and the refrigerant is vaporized by the evaporator 3 to absorb heat, so as to lower the room temperature.

[0016] Please also refer to figure 2 As shown, the air conditioner includes a temperature detection module 4 near the evaporator coil, an indoor fan motor and a compressor control modu...

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Abstract

The invention discloses a method for controlling the anti-freezing of the evaporator of an air conditioner. The method mainly comprises the steps as follows: the temperature of the pipe coil of the evaporator is collected by a singlechip (5); subsequently, according to the collected temperature, corresponding conversion and control to the rotation speed of the motor of an indoor machine, and the starting and stopping of a compressor (1) are carried out. The method for controlling the anti-freezing of the evaporator of the air conditioner can lead the air conditioner work under different environments and improve the performance of the whole machine and the satisfaction degree of the user.

Description

technical field [0001] The invention relates to a control method, in particular to a control method for antifreezing of an evaporator of an air conditioner. Background technique [0002] "Refrigeration" is one of the basic functions of the air conditioner, and the principle of realizing refrigeration is: the refrigerant is compressed by the air conditioner compressor, the compressor discharges high-temperature and high-pressure gas, and the high-temperature and high-pressure gas passes through the condenser of the outdoor unit, and the refrigerant is condensed The liquefaction device releases heat, and then flows through the throttling device through the indoor evaporator, and the refrigerant is evaporated and vaporized to absorb heat, so as to reduce the room temperature. However, the air conditioner performs cooling at different ambient temperatures, especially when the low temperature is below 21°C (for example, the air conditioner is installed in the computer room, cold ...

Claims

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Application Information

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IPC IPC(8): F24F11/00
Inventor 叶耘
Owner 宁波海诚电器有限公司
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