Air conditioner self-cleaning method and system and air conditioner

An air conditioner, self-cleaning technology, applied in the direction of control input related to air characteristics, heating method, high-efficiency adjustment technology, etc., can solve the problems of poor self-cleaning function of air conditioners, achieve good antibacterial and sterilizing effects, shorten running time, and clean good effect

Active Publication Date: 2019-01-04
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem of poor self-cleaning function of the air conditioner in the prior art, the present invention provides an air conditioner self-cleaning method, system and air conditioner

Method used

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  • Air conditioner self-cleaning method and system and air conditioner
  • Air conditioner self-cleaning method and system and air conditioner
  • Air conditioner self-cleaning method and system and air conditioner

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0102] Such as figure 1 As shown, the present invention provides a self-cleaning method for an air conditioner, the air conditioner includes an indoor unit, and the indoor unit includes a heat exchanger containing an inner unit coil and an inner fan. It is characterized in that the method includes:

[0103] Detecting the temperature of the coil of the internal machine in the state of frost condensation, and the coil of the internal machine has a frost layer;

[0104] judging whether the temperature of the internal unit coil satisfies a preset defrosting condition;

[0105] If it is satisfied, increase the temperature of the coil of the internal unit to make the frost layer into high-temperature water vapor;

[0106] judging whether the internal fan satisfies the preset internal fan reversal condition;

[0107] If it is satisfied, control the internal fan to reverse according to the preset first speed;

[0108] Judging whether the internal fan satisfies the preset condition ...

Embodiment 2

[0142] Such as figure 2 Shown is an overall flow chart of an air conditioner self-cleaning method according to an embodiment of the present invention.

[0143] Specifically, after the air conditioner receives the command to enter the self-cleaning function, the temperature sensing package detects the ambient temperature and the temperature of the internal unit coil, and the self-cleaning control algorithm model is retrieved from the storage module. Entering the frosting stage, in the early stage of frosting, the air conditioner operates in cooling mode, and the internal fan is running normally at this time, that is, the internal fan is rotating forward, and the schematic diagram of the internal fan is as follows image 3 As shown, when the water hanging condition of the heat exchanger of the internal unit satisfies a certain frosting condition, it enters the late stage of frosting. If the condition is not met, the internal fan stops operating or Run at low speed to judge whe...

Embodiment 3

[0145] Such as Figure 5 Shown is the control flow chart of the fan reverse mode in the defrosting stage in another embodiment provided by the present invention. Specifically as follows:

[0146] When it runs for the first preset time t or detects that the frost layer reaches the preset thickness d through the detection instrument, it enters the defrosting stage, the air conditioner operates in heating mode, high-temperature refrigerant flows into the coil of the inner unit, and the temperature of the coil of the inner unit rises , when T p rise to the first preset temperature T f , and at the same time satisfy the running time t f , the internal fan enters the reverse operation mode.

[0147] The internal fan reverses as Figure 4 As shown, at the first speed n 1 run t 1 At this time, the flow field of the indoor unit body is switched from the one-way flow field of the air inlet to the air outlet and the air outlet to the reverse flow field or turbulent flow field. At ...

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Abstract

The invention relates to an air conditioner self-cleaning method and system and air conditioner. The method comprises the steps of detecting the temperature of an inner unit coil in the frosting state, wherein the inner unit coiler is provided with a frost layer; judging whether the temperature of the inner unit coil meets the preset defrosting condition or not; rising the temperature of the innerunit coil to make the frost layer become high temperature water vapor if the temperature of the inner unit coil meets the preset defrosting condition; judging whether an inner fan meets the preset inner fan reversal condition or not; controlling the inner fan to reverse according to the preset first rotation speed if the inner fan meets the preset inner fan reversal condition; judging whether theinner fan meets the preset reversal ending condition or not; and controlling the inner fan to be switched from reverse rotation to forward rotation if the inner fan meets the preset reversal ending condition. According to the technical scheme, the manners of reverse rotation and forward rotation of the inner fan are used, a reverse flow field or a turbulent flow field enables more water vapor/steam generated in an indoor unit in the defrosting stage to be stayed in a unit body of the indoor unit for a certain time, all-round cleaning is carried out, and the effect is better.

Description

technical field [0001] The invention belongs to the field of air conditioner control, in particular to an air conditioner self-cleaning method, system and air conditioner. Background technique [0002] The air conditioner is a device that can cool / heat the room. As time goes by, the dust accumulation on the indoor unit of the air conditioner will gradually increase. After the dust accumulation reaches a certain level, a large number of bacteria will grow, especially when the outdoor air flows through When the indoor unit is used, it will carry a lot of dust and bacteria, so it is necessary to clean the air conditioner in time. [0003] At present, the working process of the self-cleaning function of traditional household air conditioners is mainly divided into the frosting stage and the defrosting stage. Among them, in the frosting stage, the air conditioner operates in cooling mode in the early stage of frosting, and condenses the moisture in the indoor air on the surface ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/64F24F11/89F24F11/43F24F11/77F24F110/10
CPCF24F11/43F24F11/64F24F11/77F24F11/89F24F2110/10Y02B30/70
Inventor 周金声连彩云廖敏吴俊鸿王现林赖孝成彭光前梁之琦车雯田雅颂翟振坤李啸宇孙晨
Owner GREE ELECTRIC APPLIANCES INC
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