Air conditioner
A technology for air conditioners and compressors, which is applied to air conditioning systems, compressors, refrigerators, etc., can solve the problems of deterioration of heat storage components 126, water boiling of heat storage components 126, deterioration of heat storage components 126, etc., so as to prevent deterioration and Evaporation effect
Active Publication Date: 2012-04-04
PANASONIC CORP
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Problems solved by technology
[0011] However, when the temperature of the heat storage member 126 rises excessively, deterioration (such as oxidation) of the heat storage member 126 itself and boiling of moisture in the heat storage member 126 may be caused, and the heat storage member 126 may deteriorate.
Method used
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[0059]The first invention includes: a refrigeration cycle connected in such a way that the refrigerant flows through the compressor, four-way valve, indoor heat exchanger, expansion valve, outdoor heat exchanger, and four-way valve in sequence during heating operation; The heat storage part of the heat generated by the machine and the heat storage tank of the heat storage heat exchanger, which also includes: the heat storage device connecting the indoor heat exchanger and the expansion valve and between the four-way valve and the suction port of the compressor a bypass circuit; and a defrosting bypass circuit connecting the expansion valve and the outdoor heat exchanger and between the discharge outlet of the compressor and the four-way valve, and a heat storage heat exchanger and a heat storage bypass circuit are arranged in the heat storage bypass circuit The thermal storage two-way valve is provided with a defrosting two-way valve in the defrosting bypass circuit, a compress...
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The present invention provides an air conditioner capable of preventing the heat storage member from degradation and vaporing. The air conditioner is provided with a heat storage tank 32 that accommodates a heat storage material 36 for storing therein heat generated by a compressor 6 and a heat storage heat exchanger 34. A heat storage bypass circuit is provided to connect a refrigerant pipe between an indoor heat exchanger 16 and an expansion valve 12 and a refrigerant pipe between a four-way valve 8 and an inlet port defined in the compressor 6, and a defrosting bypass circuit is provided to connect a refrigerant pipe between the expansion valve 12 and an outdoor heat exchanger 14 and a refrigerant pipe between an outlet port defined in the compressor 6 and the four-way valve 8. The heat storage heat exchanger 34 and a heat storage two-way valve 42 are provided in the heat storage bypass circuit, and a defrosting two-way valve 30 is provided in the defrosting bypass circuit. If a temperature detected by a compressor temperature sensor 58, a compressor discharge temperature sensor 60, or a heat storage tank temperature sensor 50 exceeds a first predetermined temperature, the heat storage two-way valve 42 is opened to introduce a refrigerant, which has passed through the indoor heat exchanger 16 or the outdoor heat exchanger 14, into the heat storage heat exchanger 34.
Description
technical field [0001] The present invention relates to an air conditioner including a heat storage tank for accommodating a heat storage member storing heat generated by a compressor, and a heat storage heat exchanger for exchanging heat by using the heat stored in the heat storage member. Background technique [0002] Conventionally, when the outdoor heat exchanger is frosted during the heating operation of the heat pump air conditioner, the four-way valve is switched so as to switch from the heating cycle to the cooling cycle to perform defrosting. In this defrosting method, although the indoor fan is stopped, cold air is gradually released from the indoor unit and the heating feeling is lost. [0003] Therefore, it has been proposed to install a heat storage device in the compressor installed in the outdoor unit, and to perform defrosting by using waste heat of the compressor stored in the heat storage tank during heating operation (for example, refer to Patent Document ...
Claims
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Patent Timeline
Login to View More IPC IPC(8): F24F1/00F24F11/00
CPCY02B30/741F25B2600/0253F25B2700/2115F25B2700/21152F25B31/006F25B49/022C09K11/00F25B13/00F25B2700/2111F25B2400/24F25B2400/04F25B2600/2501F25B2400/05F25B47/022
Inventor 藤田直人弓场大辅加守田广和大门宽幸山本宪昭
Owner PANASONIC CORP