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Air conditioner without stopping defrosting and control method thereof

A control method and air conditioner technology, applied to heating and ventilation control systems, compressors with reversible cycles, refrigerators, etc., can solve the problems of inability to guarantee indoor thermal comfort, and achieve thermal comfort and ensure thermal comfort Sex, the effect of increasing displacement

Inactive Publication Date: 2020-03-31
NINGBO AUX ELECTRIC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to propose an air conditioner and its control method for non-stop defrosting, so as to solve the technical problem that the air conditioner will stop heating when the outdoor heat exchanger is defrosting, and indoor thermal comfort cannot be guaranteed

Method used

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  • Air conditioner without stopping defrosting and control method thereof
  • Air conditioner without stopping defrosting and control method thereof

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Embodiment 1

[0037] see in conjunction figure 1 As shown, the present invention provides a non-stop defrosting air conditioner, including an indoor unit 10 and an outdoor unit 20, the indoor unit 10 and the outdoor unit 20 are connected through a first indoor-outdoor connecting pipe 40 and a second indoor-outdoor connecting pipe 50 , the indoor unit 10 includes an indoor heat exchanger 11, and the outdoor unit 20 includes a compressor 21, a four-way reversing valve 22 and multiple sets of outdoor heat exchange systems; Port connection, the exhaust port of the compressor 21 is connected to the fourth port of the four-way reversing valve; the third port of the four-way reversing valve 22 is connected to the indoor heat exchanger 11; each group of outdoor heat exchange systems includes sequential connections The throttling mechanism, the outdoor heat exchanger and the three-way valve; the throttling structure is connected with the indoor heat exchanger 11, the outdoor heat exchanger is connec...

Embodiment 2

[0054] The present invention also provides a non-stop defrosting air conditioner control method, which is used for the non-stop defrosting air conditioner in the above embodiment, including the following steps:

[0055] Control the heating operation of the air conditioner 1;

[0056] Judging whether the air conditioner 1 receives a shutdown signal;

[0057] If the air conditioner 1 does not receive a shutdown signal, it is judged whether the outdoor heat exchanger needs defrosting;

[0058] If the outdoor heat exchanger needs defrosting, control one group of outdoor heat exchange systems to be in defrosting state, and the other groups of outdoor heat exchange systems to be in heating state;

[0059] After controlling all outdoor heat exchangers to complete defrosting in sequence, switch all outdoor heat exchange systems to heating state.

[0060] In the non-stop defrosting air conditioner control method of the present invention, when the air conditioner 1 is in heating opera...

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Abstract

The invention discloses an air conditioner without stopping defrosting and a control method of the air conditioner. The air conditioner comprises an indoor unit and an outdoor unit, wherein the indoorunit comprises an indoor heat exchanger; the outdoor unit comprises a compressor, a four-way reversing valve and a plurality of groups of outdoor heat exchange systems; and each group of outdoor heatexchange systems comprises a throttling mechanism, an outdoor heat exchanger and a three-way valve, and the throttling mechanism, the outdoor heat exchanger and the three-way valve are sequentially connected. When the outdoor heat exchanger needs to be defrosted in the heating operation process of the air conditioner, one group of outdoor heat exchange system can be controlled to be in a defrosting state, and other groups of outdoor heat exchange systems are in a heating state so as to ensure that the indoor heat exchanger can still perform heating operation in the outdoor heat exchanger defrosting process and to guarantee the thermal comfort of an air conditioner using space.

Description

technical field [0001] The invention relates to the technical field of air conditioning, in particular to an air conditioner capable of non-stop defrosting and a control method thereof. Background technique [0002] When the air conditioner is in heating operation, frost will form on the outdoor heat exchanger. Frosting on the outdoor heat exchanger will reduce the heat exchange efficiency of the outdoor heat exchanger and affect the heating effect of the air conditioner. Therefore, it must be attached to the outdoor The frost on the heat exchanger is melted. [0003] In the air conditioner of the prior art, when defrosting the outdoor heat exchanger, it is usually necessary to switch the four-way reversing valve to the cooling mode, but when defrosting the outdoor heat exchanger in this way, the air conditioner will stop Indoor thermal comfort cannot be guaranteed during heating and defrosting. Contents of the invention [0004] The present invention aims to provide an ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/42F24F11/64F24F11/84F24F11/86F24F11/88F25B13/00F25B41/04F25B41/20
CPCF24F11/42F24F11/64F24F11/84F24F11/86F24F11/88F25B13/00F25B41/40F25B41/20
Inventor 张金鹏
Owner NINGBO AUX ELECTRIC
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