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Air conditioner

A technology for air conditioners and compressors, applied in air conditioning systems, compressors, refrigerators, etc., which can solve problems such as limited heat storage, and achieve the effects of preventing heat storage loss and efficient defrosting operation

Active Publication Date: 2012-04-04
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, since the thermal storage member 126 inside the thermal storage tank 124 has a limited amount of stored heat, it is necessary to reduce the loss of stored heat as much as possible. The documented refrigeration cycle has room for improvement

Method used

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Examples

Experimental program
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Embodiment Construction

[0058]The first invention provides an air conditioner, which includes: the refrigerant is connected in such a way that the refrigerant flows through the compressor, the four-way valve, the indoor heat exchanger, the expansion valve, the outdoor heat exchanger, and the four-way valve in sequence during the heating operation. refrigerating cycle; and a built-in heat storage tank that stores heat generated by the compressor and a heat storage heat exchanger, and also includes: connecting between the indoor heat exchanger and the expansion valve and between the four-way valve and the compressor The thermal storage bypass circuit between the suction ports; and the defrosting bypass circuit connecting the expansion valve and the outdoor heat exchanger and between the discharge port of the compressor and the four-way valve are set in the thermal storage bypass circuit There is a heat storage heat exchanger and a heat storage two-way valve, and a defrosting two-way valve is set in the ...

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Abstract

An 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. At the start of a defrosting operation, a refrigerant discharged from the compressor 6 is introduced into the outdoor heat exchanger 14 by opening the defrosting two-way valve 30, and after a lapse of a predetermined period of time from the opening control of the defrosting two-way valve 30, a refrigerant having passed through the indoor heat exchanger 16 is introduced into the heat storage heat exchanger 34 by opening the heat storage two-way valve 42.

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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Application Information

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IPC IPC(8): F24F1/00F25B41/04F25B41/06F25B47/02
CPCF25B31/006F25B2600/0253F25B49/022F25B2700/2106F25B2400/05F25B2313/0315F25B2400/24F25B13/00Y02B30/741F25B2313/0314F25B2600/01F25B2400/04F25B2600/2501F25B2313/02741F25B47/022F25B2700/2111Y02B30/70
Inventor 小泉精治十仓聪加守田广和山本宪昭
Owner PANASONIC CORP
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