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Air conditioner control method and air conditioner

A control method and air conditioner technology, which is applied in heating and ventilation control systems, heating methods, space heating and ventilation, etc., can solve the problems of low thermal efficiency accounting for a large proportion, so as to improve heating efficiency, shorten running time, shorten Effect of heating cycle

Active Publication Date: 2019-06-21
GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to solve the problem in the prior art that the lowered thermal efficiency occupies a large proportion in the heating cycle of the air conditioner

Method used

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  • Air conditioner control method and air conditioner
  • Air conditioner control method and air conditioner
  • Air conditioner control method and air conditioner

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Such as figure 1 As shown, the outdoor unit of the air conditioner is provided with an isolation device 105 that can open or cover the outdoor heat exchanger 102. The embodiment of the present invention provides an air conditioner control method to shorten the heating cycle by controlling the opening or closing of the isolation device 105 , to improve the heating efficiency of the air conditioner, the control method includes the following steps, such as figure 2 Shown:

[0041] S1, the air conditioner enters the heating mode, and the isolation device 105 is turned on;

[0042] S2, obtaining the actual heating capacity of the air conditioner;

[0043] S3, comparing the actual heating capacity of the air conditioner with the set heating capacity of the air conditioner; if the actual heating capacity is less than the set heating capacity; then execute step S4;

[0044] S4, obtaining the heating duration after the air conditioner enters the heating mode;

[0045] S5, c...

Embodiment 2

[0059] Such as Figure 4 As shown, the control method in Embodiment 2 of the present invention includes the following steps:

[0060] S1, the air conditioner enters the heating mode, and the isolation device 105 is turned on;

[0061] S2, obtaining the actual heating capacity of the air conditioner;

[0062] S3, compare the actual heat output of the air conditioner with 80% of the rated heat output of the air conditioner; if the actual heat output of the air conditioner is less than 80% of the rated heat output of the air conditioner; then execute step S4;

[0063] S4, obtaining the heating duration after the air conditioner enters the heating mode;

[0064] S5, comparing the heating duration with the set duration; if the heating duration is greater than the set duration, execute step S6;

[0065] S6, closing the isolation device 105;

[0066] S7, after the air conditioner enters the defrosting mode, the isolating device 105 is turned on again.

[0067] The heating capaci...

Embodiment 3

[0075] Such as Figure 7 As shown, the control method in Embodiment 3 of the present invention includes the following steps:

[0076] S1, the air conditioner enters the heating mode, and the isolation device 105 is turned on;

[0077] S2, obtaining the actual heating capacity of the air conditioner;

[0078] S3, comparing the actual coil temperature of the outdoor heat exchanger 102 with the set coil temperature of the outdoor heat exchanger 102; if the actual coil temperature of the outdoor heat exchanger 102 is lower than the set coil temperature of the outdoor heat exchanger 102; then execute step S4 ;

[0079] S4, obtaining the heating duration after the air conditioner enters the heating mode;

[0080] S5, comparing the heating duration with the set duration; if the heating duration is greater than the set duration, execute step S6;

[0081] S6, closing the isolation device 105;

[0082] S7, after the air conditioner enters the defrosting mode, the isolating device 1...

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Abstract

The invention relates to the technical field of air-conditioners, in particular to an air-conditioner control method and an air-conditioner. The air-conditioner control method includes the following steps that the air-conditioner enters into a heating mode, and an isolating device is in a started state; actual heating capacity of the air-conditioner is acquired, a heating duration of the air-conditioner entering into the heating mode is also acquired, the actual heating capacity of the air-conditioner is compared with set heating capacity of the air-conditioner, and the heating duration is compared with a set duration; and when the actual heating capacity is smaller than the set heating capacity and the heating duration is longer than the set duration, the isolating device is shut off until the air-conditioner enters into a defrosting mode and then the isolating device is started again. The running time of the air-conditioner under the condition of low heating capacity is shortened, the heating cycle is also shortened, and the ratio of high-efficiency heating duration within the heating cycle is high, so that the heating efficiency of the air-conditioner is improved.

Description

technical field [0001] The invention relates to the technical field of air conditioners, in particular to an air conditioner control method and an air conditioner. Background technique [0002] Nowadays, air conditioners are used more and more frequently. As we all know, during the heating process of the air conditioner, the outdoor heat exchanger will periodically frost and defrost. Frosting on the heater is a cumulative process, and the air conditioner will not immediately enter the defrosting process before the accumulation reaches the conditions for the outdoor heat exchanger to enter the defrosting process. In the accumulative process before defrosting, the heat exchange efficiency of the heat exchanger will gradually decrease until it enters the defrosting stage and no longer produces heat, and the accumulating process of frosting generally takes a long time, that is to say, in In the entire heating cycle of the air conditioner, the time of low heat exchange efficienc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/65F24F11/42
CPCF24F11/30F24F11/42F24F11/62F24F11/65
Inventor 肖小凡
Owner GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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