Air conditioning system

By dynamically adjusting the opening of the expansion valve of the indoor unit of the multi-split air conditioning system, the amount of refrigerant is increased, which solves the problem of refrigerant condensation on the radiator in high temperature and high humidity environments and ensures stable system operation.

CN122408290APending Publication Date: 2026-07-17QINGDAO HISENSE HITACHI AIR CONDITIONING SYST
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
QINGDAO HISENSE HITACHI AIR CONDITIONING SYST
Filing Date
2026-05-14
Publication Date
2026-07-17

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Abstract

本发明公开了空调系统，制热模式下，当满足凝露风险条件时，进行防凝露控制：选择停止室内机，对当前选择的停止室内机，将其第一膨胀阀的开度增大至开度阈值，并维持第一设定时长；根据第一设定目标过冷度调整选择的停止室内机的第一膨胀阀的开度。因此，本发明的空调系统，在满足凝露风险条件时，及时进行防凝露控制，通过调节选择的停止室内机的第一膨胀阀的开度，以增加系统中循环的冷媒量，提升水模块液管温度，提升室外机的液管温度，进而提升冷媒散热部件的温度，使得冷媒散热部件的温度高于露点温度，避免凝露产生，解决了现有技术中容易产生凝露的技术问题。
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