Title:
IMPROVED DEHUMIDIFICATION AND REHEATING SYSTEM AND CONTROL METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/077733
Kind Code:
A1
Abstract:
A dehumidification and reheating system, comprising an outdoor unit and an indoor unit. The outdoor unit and the indoor unit are connected by means of a liquid pipe and a gas pipe; the outdoor unit comprises a compressor (1), an oil separator (2), a four-way valve (3), an outdoor unit heat exchanger (4), an outdoor unit electronic expansion valve (6), and a gas-liquid separator (13); the indoor unit comprises a reheating heat exchanger (9) and a dehumidification heat exchanger (11) that are connected in series with each other; the reheating heat exchanger (9) is close to the air outlet of the indoor unit; the dehumidification heat exchanger (11) is close to the return air inlet of the indoor unit; the reheating heat exchanger (9) is connected to the liquid pipe; the dehumidification heat exchanger (11) is connected to the gas pipe; a dehumidification electronic expansion valve (10) is provided between the reheating heat exchanger (9) and the dehumidification heat exchanger (11); a reheating electronic expansion valve (8) is provided at one end of the reheating heat exchanger (9) connected with the liquid pipe. The system is reasonable in design, clear in logic, and convenient to control, can effectively realize the adjustment of outlet air temperature while performing dehumidification, greatly improves comfort in use, and is beneficial for popularization.
Inventors:
XU LAIFU (CN)
YANG YAHUA (CN)
TAN QIUHUI (CN)
WANG ZHIPENG (CN)
ZHANG BAOSHENG (CN)
CHEN JIAN (CN)
LIU CONG (CN)
YANG YAHUA (CN)
TAN QIUHUI (CN)
WANG ZHIPENG (CN)
ZHANG BAOSHENG (CN)
CHEN JIAN (CN)
LIU CONG (CN)
Application Number:
PCT/CN2020/092103
Publication Date:
April 29, 2021
Filing Date:
May 25, 2020
Export Citation:
Assignee:
NANJING TICA CLIMATE SOLUTIONS CO LTD (CN)
International Classes:
F24F1/0003; F24F1/0083; F24F11/63
Foreign References:
| CN110657489A | 2020-01-07 | |||
| CN106918125A | 2017-07-04 | |||
| CN106918125A | 2017-07-04 | |||
| CN110345659A | 2019-10-18 | |||
| CN105588281A | 2016-05-18 | |||
| CN105526672A | 2016-04-27 | |||
| JP2001194027A | 2001-07-17 | |||
| JPH10185351A | 1998-07-14 |
Attorney, Agent or Firm:
NANJING TIANHUA PATENT AGENT CO., LTD. (CN)
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