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A Transcritical CO2 Heat Pump Air Conditioning System

A heat pump air-conditioning, transcritical technology, applied in air-conditioning systems, heating methods, household heating, etc., can solve problems such as valve body leakage, and achieve the effect of improving reliability

Active Publication Date: 2018-09-11
GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a transcritical CO 2 Heat pump air-conditioning system to solve the technical problem of leakage of the four-way reversing valve due to the change of balance pressure when the above-mentioned heat pump air-conditioning system switches between cooling and heating

Method used

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  • A Transcritical CO2 Heat Pump Air Conditioning System
  • A Transcritical CO2 Heat Pump Air Conditioning System
  • A Transcritical CO2 Heat Pump Air Conditioning System

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Embodiment Construction

[0034] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0035] Transcritical CO of the present invention 2 For the structural diagram of Embodiment 1 of the heat pump air-conditioning system and the working status diagram of the four-way valve and the three-way valve, see Figure 1-Figure 3, including compressor 01 and four-way valve 04, four-way valve 04 includes four-way valve first port 041, four-way valve second port 042, four-way valve third port 043 and four-way valve fourth port 044, compressor The exhaust port of 01 is connected to the first port 041 of the four-way valve through the first solenoid valve 02, the second port 042 of the four-way valve is connected to the input end of the outdoor air-cooled heat exchanger 05, and the third port 043 of the four-way valve is connected to the The flow part 06 is connected to the output end of the liquid storage tank 09, and the fourth port 044 of the four...

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Abstract

The invention relates to a transcritical CO2 heat pump air-conditioning system, including a compressor, a four-way valve, a hot water air cooler, a throttling component, an indoor cold air heat exchanger, an outdoor air-cooled heat exchanger and a liquid storage tank. The second port of the first three-way valve communicates with the second port of the second three-way valve to form a first common output port, and the third port of the first three-way valve communicates with the third port of the second three-way valve to form a second common output port ; The output end of the indoor cold air heat exchanger is connected to the first port of the first three-way valve, the output end of the outdoor air-cooled heat exchanger is connected to the first port of the second three-way valve, and the first common output end is connected to the compressor. The second common output end is connected with the liquid storage tank. In the system, two three-way valves are used instead of one four-way valve. In the conversion process of heating and cooling, only one three-way valve works independently each time. The problem of valve body leakage occurs, which improves the reliability of the transcritical CO2 heat pump air conditioning system.

Description

technical field [0001] The invention relates to the field of heat pumps and air conditioners, in particular to a transcritical CO 2 Heat pump air conditioning system. Background technique [0002] Due to the green environmental protection natural refrigerant CO 2 With its advantages of non-toxicity, no damage to the ozone layer, no greenhouse effect, and good thermodynamic properties, it is once again valued by the refrigeration industry. At the same time, due to the transcritical CO 2 The exothermic process of the cycle is in the supercritical region, and there are characteristics such as temperature slip in the exothermic process, which is especially suitable for heat pump water heater systems. CO 2 Used in transcritical heat pump water heater systems, it has the advantages that conventional heat pumps do not have: environmental protection and strong hot water production capacity. The ability to produce hot water is strong because it has obvious temperature glide when...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F5/00F25B13/00F24F11/89F25B41/04F25B41/06F24H9/20F25B41/20F25B41/31F25B41/34F25B41/37
CPCF24F5/001F24F11/89F24H9/2007F25B13/00F25B41/37F25B41/20
Inventor 崔晓龙
Owner GD MIDEA HEATING & VENTILATING EQUIP CO LTD
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