Air conditioning system, air conditioning method, and air conditioning room facility

The air conditioning system uses chemical water decomposition and sensor-controlled airflow management to achieve precise dehumidification and rapid humidity adjustment, addressing the challenge of fine control in existing systems.

WO2026120845A1 Publication Date: 2026-06-11HITACHI PLANT SERVICES
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Patent Information

Application Number
PCT/JP2025/021451
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-12-05
Filing Date
2025-06-13
Publication Date
2026-06-11

AI Technical Summary

Technical Problem

Existing air conditioning systems struggle to finely control the dehumidification amount of target air, as moisture adsorption is physically based and difficult to manage precisely.

Method used

An air conditioning system that includes a dehumidifier with a water decomposition device using electrolysis or photodecomposition to chemically decompose moisture, allowing precise control of dehumidification, and a supply device to manage the airflow, along with a control device to adjust the dehumidification process based on sensor feedback.

Benefits of technology

Enables precise control of dehumidification, rapid response to humidity changes, and efficient production of ultra-low dew point air, maintaining optimal humidity levels in controlled environments.

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Abstract

An air conditioning system (10) comprises: a dehumidification device (1) that dehumidifies target air (TA) to be dehumidified, thereby producing dry air (DA) having an ultralow dew point; and a supply device (2) that supplies the target air (TA) to the dehumidification device (1). The dehumidification device (1) is provided with an electrolysis device (1A) for chemically decomposing moisture in the target air (TA). The electrolysis device (1A) is provided with: a pair of electrodes (1c1) with which the target air (TA) comes into contact and which generate hydrogen by electrolysis of water; and an electrolyte (1c2) which is sandwiched between the pair of electrodes (1c1) and which has ionic conductivity.
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