A phase change dehumidification control method based on defrosting cycle

By using a phase change humidity control method based on the defrost cycle, humidification is achieved through the defrost process of the refrigeration system. Combined with sensor and controller feedback control, the problem of difficult-to-control humidification is solved, and precise humidification and efficient sterilization are achieved.

CN121230145BActive Publication Date: 2026-06-09HUOTONG TECHNOLOGY (CHENGDU) CO LTD
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Patents(China)
Current Assignee / Owner
HUOTONG TECHNOLOGY (CHENGDU) CO LTD
Filing Date
2025-10-23
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

In existing technologies, the amount of humidification generated by humidification devices is difficult to control, resulting in inaccurate humidification processes.

Method used

A phase change humidity control method based on defrosting cycle is adopted. Through active frosting and defrosting evaporation operations, the waste heat generated during the defrosting process of the refrigeration system is used for humidification. Feedback control is achieved through sensors and controllers to accurately regulate the state of the frost layer to control the amount of humidification.

Benefits of technology

It achieves precise control over humidification amount and rate, avoiding over-humidification or under-humidification. It utilizes waste heat as energy, improving energy efficiency, and sterilizes through a high-temperature defrosting process, reducing the risk of bacterial growth.

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Abstract

The application relates to the air conditioning technical field and discloses a phase change humidification control method based on defrosting circulation, which comprises the following steps: performing an active frost formation operation, a heat exchange device is switched to a heat absorption state, a water supply end sprays water to the heat exchange device to form a frost layer; performing a defrosting evaporation operation, the heat exchange device is switched to a heat release state, the frost layer is defrosted, and generated water vapor is transported to a space to be humidified through an output end through a guide device; wherein the humidification control process repeats the above steps S1-S2 in an active cycle mode, and feedback control based on preset parameters is introduced in the active frost formation and the defrosting evaporation operation to control the humidification process. The technical problem that the humidification amount of a humidification device in the related art is difficult to control is solved.
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