Title:
OUTDOOR WET BULB TEMPERATURE DETERMINATION METHOD, FAN CONTROL METHOD AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/087848
Kind Code:
A1
Abstract:
An outdoor wet bulb temperature determination method for a group control system of a machine room, and a fan control method and an electronic device. The outdoor wet bulb temperature determination method comprises: on the basis of an outdoor dry bulb temperature (Td) and a relative humidity (Hr), obtaining an air enthalpy value (i) and a dew point temperature (T1) (S1); setting an upper limit temperature and a lower limit temperature, and according to the upper limit temperature and the lower limit temperature, obtaining a predicted wet bulb temperature (Tw) (S2); substituting the predicted wet bulb temperature (Tw) into a thermodynamic formula to obtain a predicted air enthalpy value (iw) (S4); determining a magnitude relationship between the air enthalpy value (i) and the predicted air enthalpy value (iw), and according to a result, updating the upper limit temperature/lower limit temperature (S5); and by means of cyclic halving, taking a final predicted wet bulb temperature (Tw) as a wet bulb temperature (S6-S7). The outdoor wet bulb temperature determination method can obtain a relatively accurate wet bulb temperature at a low cost, and is better applied to group control over a refrigeration station, which is more conducive to realizing precise control over a fan of a cooling tower.
Inventors:
MU CHENTAO (CN)
ZHAO YONGJUN (CN)
LIN HUAIYU (CN)
LI LIANHUI (CN)
YIN PENG (CN)
WU WENJIE (CN)
SUN LIXIANG (CN)
YUAN QINGWEI (CN)
ZHAO YONGJUN (CN)
LIN HUAIYU (CN)
LI LIANHUI (CN)
YIN PENG (CN)
WU WENJIE (CN)
SUN LIXIANG (CN)
YUAN QINGWEI (CN)
Application Number:
PCT/CN2022/116667
Publication Date:
May 25, 2023
Filing Date:
September 02, 2022
Export Citation:
Assignee:
QINGDAO HAIER AIR CONDITIONING ELECTRONIC CO LTD (CN)
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD (CN)
HAIER SMART HOME CO LTD (CN)
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD (CN)
HAIER SMART HOME CO LTD (CN)
International Classes:
F24F11/77; F24F11/00; G05D23/20
Foreign References:
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| CN102493734A | 2012-06-13 | |||
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Other References:
GONG TINGRUI; HUANG XIAOMING; MING TINGZHEN; RENAUD DE RICHTER: "Characteristics of a Solar Chimney with Water Production and Power Generation", THERMAL POWER GENERATION, vol. 46, no. 6, 2 June 2017 (2017-06-02), pages 34 - 39,45, XP009545728, ISSN: 1002-3364
Attorney, Agent or Firm:
HANRAY LAW FIRM (CN)
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