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Heating circulation control of air conditioner with auxiliary heater

A technology for auxiliary heaters and control methods, applied in heating methods, heating and ventilation control systems, lighting and heating equipment, etc., can solve problems such as difficult removal of frost

Inactive Publication Date: 2005-12-28
LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, if the outdoor air temperature is very low or the humidity is high, even if the above-mentioned air conditioner starts the refrigeration cycle and performs the defrosting operation, it is difficult to remove the frost generated on the surface of the above-mentioned outdoor heat exchanger (3).

Method used

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  • Heating circulation control of air conditioner with auxiliary heater
  • Heating circulation control of air conditioner with auxiliary heater
  • Heating circulation control of air conditioner with auxiliary heater

Examples

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Embodiment Construction

[0021] Examples of the present invention will be described in detail below with reference to the accompanying drawings.

[0022] Fig. 1 is a partially cutaway view of the air conditioner of the present invention. figure 2 It is a flow chart of the heating cycle control method of the air conditioner in the present invention.

[0023] The air conditioner in the present invention includes an indoor unit (30) and an outdoor unit (10). The above-mentioned outdoor unit (10) includes a compressor (12), an outdoor heat exchanger (14), an outdoor air blower (16), a square valve (not shown), and heats the above-mentioned outdoor heat exchanger for defrosting purposes. Structures such as the auxiliary heater (20) of device (14); above-mentioned indoor unit (30) then comprises structures such as indoor heat exchanger (32), indoor blower (34). The outdoor unit (10) and the indoor unit (30) further include sensors (not shown) for detecting indoor temperature, outdoor temperature, indoor p...

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Abstract

A control method for the heating circulation of the air conditioner with an auxiliary heater includes such steps as comparing the sensed indoor temp T1 with the desired temp T2, judging if the temp T3 of indoor pipeline is higher than predefined temp T4 when T2 is higher than T1, turning on indoor blower when T3 is higher than T4, judging if the outdoor temp T5 is lower than the predefined temp T6, turning on said auxiliary heater to heat outdoor heat exchanger for defrosting if it is, and setting up heating circulation if the working time of said auxiliary heater is shorter than a predefined time.

Description

technical field [0001] The invention relates to an outdoor unit of an air conditioner, and more specifically relates to an invention about a defrosting control method for an outdoor heat exchanger in an air conditioner heating cycle. Background technique [0002] Generally speaking, the air conditioner is set for the purpose of cooling and heating the room or purifying the air through heating, cooling, cleaning devices, etc., so as to provide users with a more comfortable indoor environment. [0003] Air conditioners with the above structure are generally classified into an integrated type (window type) and a split type (split type). The functions of the above-mentioned integrated type and split type are basically the same, except that the integrated type installs the evaporator, compressor, condenser, and air blower in one case; the split type is equipped with an indoor heat exchanger in the indoor unit located indoors. (evaporator or condenser) and an air blower, an outdo...

Claims

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Application Information

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IPC IPC(8): F24F11/02
Inventor 金敦秀
Owner LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD