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Full-indoor air conditioner for introducing fresh air in cold region

A technology for air conditioners in cold areas, applied in the field of full indoor air conditioners, can solve the problems of increasing the suction specific volume of the refrigerant, decreasing the refrigerant mass flow, and decreasing the heating capacity, so as to enhance the heating capacity and prevent frost formation. , the effect of low cost

Inactive Publication Date: 2018-11-06
ZHEJIANG SCI-TECH UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the common air source heat pump hot water units in the southern market cannot be applied in the cold regions of my country. decline

Method used

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  • Full-indoor air conditioner for introducing fresh air in cold region

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Embodiment Construction

[0013] refer to figure 1 , the present invention is a whole indoor air conditioner for introducing fresh air in cold regions, comprising fresh air outlet 2, air inlet 4, air supply fan 5, first air outlet 7, first exhaust fan 8, ceiling air duct 9, indoor air changer Heater 10, compressor 11, four-way reversing valve 12, throttling device 13, in-pipe heat exchanger 14 and second air outlet 18, the in-pipe heat exchanger 14, throttling device 13, indoor heat exchanger 10 and the four-way reversing valve 12 are sequentially connected to form a heat pump cycle system, the compressor 11 is also connected to the four-way reversing valve 12, the ceiling air duct 9 is arranged in the air-conditioned room 1, and the ceiling air duct 9 The two ends are respectively connected with the air inlet 4 and the second air outlet 18 located outside the air-conditioned room 1, the air inlet 4 is provided with a blower fan 5, and the heat exchange pipe section 15 of the ceiling air duct 9 is prov...

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Abstract

The invention discloses a full-indoor air conditioner for introducing fresh air in a cold region. The full-indoor air conditioner comprises a fresh air opening, an air inlet, an air supply fan, a first exhaust opening, a first exhaust fan, a ceiling air pipe, an indoor heat exchanger, a compressor, a four-way reversing valve, a throttling device, an in-pipe heat exchanger and a second exhaust opening. The in-pipe heat exchanger, the throttling device, the indoor heat exchanger and the four-way reversing valve are sequentially connected to constitute a heat pump circulating system. The compressor is further connected with the four-way reversing valve. The ceiling air pipe is arranged in an air conditioner room, and the two ends of the ceiling air pipe are correspondingly connected with theair inlet and the second exhaust opening which are formed outside the air conditioner room. The air inlet is internally provided with the air supply fan. The compressor, the four-way reversing valve and the in-pipe heat exchanger are arranged in a heat exchange pipe section of the ceiling air pipe. Compared with the prior art, the full-indoor air conditioner can be simple in structure, still operates efficiently in the cold region at the temperature of minus 15 DEG C, and is not liable to frost and low in cost.

Description

【Technical field】 [0001] The invention relates to the technical field of heating, ventilating and air-conditioning, in particular to an all-indoor air conditioner suitable for introducing fresh air in cold regions. 【Background technique】 [0002] According to meteorological data, air source heat pumps must operate efficiently and reliably for a long time in an atmospheric environment of -15°C in order to meet the winter heating needs of cold regions in my country. At present, the common air source heat pump hot water units in the southern market cannot be applied in the cold regions of my country. decline. A system with the same number of horses, working in a low temperature environment, exhibits a smaller heating capacity. 【Content of invention】 [0003] The purpose of the present invention is to solve the problems in the prior art, and propose a whole indoor air conditioner for introducing fresh air in cold areas, which can be simple in structure, can still operate effi...

Claims

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Application Information

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IPC IPC(8): F24F1/00F24F7/06F24F12/00F24F13/30F24H4/02
CPCF24F1/0007F24F7/06F24F12/001F24F13/30F24H4/02
Inventor 王志毅夏翠钟加晨
Owner ZHEJIANG SCI-TECH UNIV
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