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An improved dehumidification and reheating system and its control method

A control method and thermal system technology, applied in heating methods, air-conditioning systems, household heating, etc., can solve problems such as difficulty in adjusting the outlet air temperature, and achieve the effects of improving comfort, facilitating promotion, and convenient control

Active Publication Date: 2021-04-13
NANJING TICA AIR CONDITIONING CO LTD
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  • Description
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Problems solved by technology

[0003] The purpose of the present invention is to provide an improved dehumidification and reheating system and its control method for the deficiencies of the prior art, which can effectively solve the problem of difficulty in adjusting the outlet air temperature during dehumidification and improve the comfort of use

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  • An improved dehumidification and reheating system and its control method

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Embodiment Construction

[0030] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0031] An improved dehumidification and reheating system includes an outdoor unit and an indoor unit. The outdoor unit and the indoor unit are connected through a liquid pipe and a gas pipe, and a liquid pipe shut-off valve 7 and a gas pipe shut-off valve 12 are respectively arranged on the liquid pipe and the gas pipe. The outdoor unit includes a compressor 1 , an oil separator 2 , a four-way valve 3 , an external unit heat exchanger 4 , an external unit electronic expansion valve 6 and a gas-liquid separator 13 . Wherein, the exhaust port and the suction port of the compressor 1 are respectively connected to the four-way valve 3 and the gas-liquid separator 13 . The other three ports of the four-way valve 3 are respectively connected to the external unit heat exchanger 4 , the gas-liquid separator 13 and the air pipe stop valve 12 . The external uni...

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Abstract

The invention relates to a dehumidification and reheating system, which includes an outdoor unit and an indoor unit; the outdoor unit and the indoor unit are connected through a liquid pipe and a gas pipe; the outdoor unit includes a compressor, an oil separator, a four-way valve, and an outdoor unit. heat exchanger, external unit electronic expansion valve and gas-liquid separator; the indoor unit includes a reheat heat exchanger and a dehumidification heat exchanger connected in series; the reheat heat exchanger is adjacent to the air outlet of the indoor unit; The dehumidification heat exchanger is close to the air return port of the indoor unit; the reheat heat exchanger is connected to the liquid pipe; the dehumidification heat exchanger is connected to the air pipe; the reheat heat exchanger and the dehumidification exchanger A dehumidification electronic expansion valve is provided between the heaters; a reheating electronic expansion valve is provided at the connecting end of the reheating heat exchanger and the liquid pipe. The invention has reasonable design, clear logic and convenient control, can effectively realize the adjustment of the outlet air temperature while dehumidifying, greatly improves the comfort of use, and is beneficial to popularization.

Description

technical field [0001] The invention relates to an air-conditioning system, especially a dehumidification and reheating system, in particular an improved dehumidification and reheating system and its control method. Background technique [0002] With the increasing popularity of air conditioners, under different climatic conditions, different users often have different requirements for the air outlet temperature of the indoor unit. For example, during the rainy season in the south, although the indoor temperature is not high, the ambient humidity is high. At this time, the humidity is often reduced by dehumidification through the air conditioner. However, when the conventional air-conditioning system dehumidifies, the air outlet temperature of the internal unit is often low, resulting in poor user comfort. Therefore, the prior art needs to be improved to improve the comfort of use. Contents of the invention [0003] The purpose of the present invention is to provide an i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F1/0003F24F1/0083F24F11/63
CPCF24F1/0003F24F11/63F24F1/0083
Inventor 徐来福杨亚华谭秋晖王之鹏张宝生陈健刘聪
Owner NANJING TICA AIR CONDITIONING CO LTD
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