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Heat pump air-conditioning system and control method

A heat pump air conditioner and control valve technology, which is applied in the field of air conditioning, can solve problems such as inability to supply heat, drop in room temperature, and affect room comfort, and achieve the effect of ensuring room temperature and improving room comfort

Active Publication Date: 2018-06-29
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the defect that the heat pump air conditioner in the prior art cannot supply heat to the room during the defrosting process, causing the room temperature to drop and affecting the comfort of the room, thereby providing a heat pump air conditioner system and control method

Method used

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  • Heat pump air-conditioning system and control method
  • Heat pump air-conditioning system and control method

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Embodiment Construction

[0052] Such as Figure 1-8 As shown, the present invention provides a heat pump air conditioning system, which includes:

[0053] compressor 1;

[0054] Inner unit heat exchanger 2, outer unit heat exchanger 3 and throttling device 4;

[0055]A refrigerant circulation loop, connecting the compressor 1, the internal heat exchanger 2, the external heat exchanger 3 and the throttling device 4 in series;

[0056] The heat storage module 5 is arranged in the refrigerant circulation circuit to absorb heat from the refrigerant in the refrigerant circulation circuit to store heat when heat storage is required, and to store heat through the heat storage module when it is necessary to defrost the external machine heat exchanger. The refrigerant in the refrigerant circulation circuit is heated.

[0057] By setting up a heat storage module, it is arranged in the refrigerant circulation circuit to absorb heat from the refrigerant in the refrigerant circulation circuit to store heat when...

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Abstract

The invention provides a heat pump air-conditioning system and a control method. The heat pump air-conditioning system comprises a compressor (1), an inner unit heat exchanger (2), an outer unit heatexchanger (3), a throttling gear (4), a refrigerant circulation loop for connecting the compressor (1), the inner unit heat exchanger (2), the outer unit heat exchanger (3) and the throttling gear (4)in series and a heat storage module (5) arranged in the refrigerant circulation loop, the heat storage module (5) is used for heating heat from a refrigerant in the refrigerant circulation loop and storing the heat when needed, and the refrigerant in the refrigerant circulation loop is heated by the heat storage module (5) when defrosting of the outer unit heat exchanger is needed. By means of the heat pump air-conditioning system and the control method, when the indoor heat load is low, redundant heat of the system can be stored to be used for defrosting, the heat is released through the heat storage module for defrosting in the defrosting process, indoor heating can be continuously carried out, the room temperature can be kept unchanged, and the room comfort is improved.

Description

technical field [0001] The invention belongs to the technical field of air conditioning, and in particular relates to a heat pump air conditioning system and a control method. Background technique [0002] The defrosting methods of the existing heat pump air conditioner are mainly two methods of refrigeration cycle defrosting and hot gas defrosting. Among them, the defrosting of the refrigeration cycle is to switch the system from the heating cycle to the defrosting of the refrigeration cycle through the four-way reversing valve, and the hot gas defrosting is to increase the flow rate of the expansion valve under the heating cycle so that the high-temperature refrigerant enters the condenser for defrosting. Neither method can heat the room during the defrosting process, which will cause the temperature of the room to drop and affect the comfort of the room. Especially in the refrigeration cycle defrosting method, the indoor heat exchanger acts as an evaporator during defros...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B13/00F25B41/04F25B47/02F25B41/20
CPCF25B13/00F25B47/02F25B47/025F25B2400/24F25B2600/25F25B2313/02741F25B41/20F25B2600/2501F25B49/02F25B2347/022F25B2400/04F25B2400/05
Inventor 董明珠谭建明夏光辉梁博王现林赖孝成吴俊鸿彭光前高旭陈志伟于博车雯李啸宇
Owner GREE ELECTRIC APPLIANCES INC
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