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Air-conditioning system and defrosting method thereof

An air-conditioning system and compressor technology, applied to compressors with reversible cycles, lighting and heating equipment, damage protection, etc., can solve problems such as increased power loss, increased manufacturing costs, and no obvious improvement in heating effect , to achieve the effect of ensuring comfort, flexible operation, simple and reasonable structure

Active Publication Date: 2012-07-04
GD MIDEA HEATING & VENTILATING EQUIP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of heat pump air conditioner can effectively carry out defrosting treatment, but its disadvantage is that it needs to set up a special refrigerant electric heater, thereby increasing the manufacturing cost, and it will increase the loss of electricity when defrosting, and the heating The effect has not been significantly improved

Method used

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  • Air-conditioning system and defrosting method thereof
  • Air-conditioning system and defrosting method thereof
  • Air-conditioning system and defrosting method thereof

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Embodiment Construction

[0020] The present invention will be further described below with reference to the drawings and embodiments.

[0021] See figure 1 , This air conditioning system includes compressor 1, four-way reversing valve 2, outdoor heat exchanger 3, throttling mechanism 4 and indoor heat exchanger 5. The high-pressure outlet of compressor 1 and the first of four-way reversing valve 2 The second port b of the four-way reversing valve 2 is connected to one end of the outdoor heat exchanger 3. The other end of the outdoor heat exchanger 3 passes through the throttling mechanism 4 and the first stop valve 10, and then exchanges with the indoor One end of the heat exchanger 5 is connected, the other end of the indoor heat exchanger 5 is connected to the fourth port d of the four-way reversing valve 2 after passing through the second stop valve 11, and the third port c of the four-way reversing valve 2 is connected to The low pressure inlet of the compressor 1 is connected, and the air conditioni...

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Abstract

The invention discloses an air-conditioning system and a defrosting method thereof. The air-conditioning system comprises a compressor, a four-way reversing valve, an outdoor heat exchanger, a throttling mechanism, an indoor heat exchanger and a first electromagnetic valve. A high-pressure outlet of the compressor is connected with a first connector of the four-way reversing valve, a second connector of the four-way reversing valve is connected with one end of the outdoor heat exchanger, the other end of the outdoor heat exchanger is connected with one end of the indoor heat exchanger throughthe throttling mechanism and a first stop valve, the other end of the indoor heat exchanger is connected with a fourth connector of the four-way reversing valve through a second stop valve, and a third connector of the four-way reversing valve is connected with a low-pressure inlet of the compressor. One end of the first electromagnetic valve is connected between the throttling mechanism and the first stop valve, and the other end of the first electromagnetic valve is respectively connected with one end of a first heat storage material and one end of a second heat storage material. The air-conditioning system has the advantages of simple and reasonable structure, flexibility in operation and high comfortableness.

Description

Technical field [0001] The invention relates to an air conditioning system, in particular to an air conditioning system and a defrosting method thereof. Background technique [0002] The existing air-conditioning system simply consists of a compressor, evaporator, condenser, throttling mechanism and some auxiliary equipment. When the air-conditioning system is running for heating and defrosting, the air-conditioning system is shut down and then runs in cooling mode for hot gas defrosting. At this time, the indoor unit of the air-conditioning system runs in the anti-cold wind mode, which affects the continuity of heating and the comfort of users. [0003] Chinese Patent Document No. CN101476801A discloses a heat pump air conditioner with uninterrupted heating and defrosting on July 8, 2009, including a compressor, a four-way valve, an outdoor heat exchanger, an indoor heat exchanger, and an electric refrigerant heater And the gas-liquid separator, the four-way valve communicates wi...

Claims

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Application Information

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IPC IPC(8): F25B13/00F25B41/04F25B47/02
Inventor 熊美兵许永锋张光鹏梁伯启张宏银闫晓楼李华勇梁泽坤郭宁任林行
Owner GD MIDEA HEATING & VENTILATING EQUIP CO LTD
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