Sterilization control method and apparatus for a steam sterilizer, steam sterilizer, storage medium

CN116672476BActive Publication Date: 2026-07-03QINGDAO HAIER BIOMEDICAL TECH CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
QINGDAO HAIER BIOMEDICAL TECH CO LTD
Filing Date
2023-05-09
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Commercial steam sterilizers suffer from large temperature fluctuations and low temperature control accuracy during the adjustment of the sterilization chamber temperature, which affects the sterilization effect.

Method used

By acquiring the real-time temperature and pressure values ​​of the sterilization unit and adjusting the duty cycle using pulse width modulation (PWM), dual-line control of temperature and pressure is achieved, ensuring that the real-time temperature and pressure values ​​are within the target range and improving temperature control accuracy and stability.

Benefits of technology

It improves the temperature control accuracy and stability of steam sterilizers, expands the applicable range of sterilization temperatures, and meets the temperature control requirements of international standards.

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Abstract

This application relates to the field of steam sterilizer technology, and discloses a sterilization control method for a steam sterilizer, comprising: acquiring the real-time temperature and pressure values ​​of the sterilization body; adjusting the pulse width modulation (PWM) duty cycle according to the target temperature control range and the target pressure control range, so that the adjusted real-time temperature value and the adjusted real-time pressure value are within the target temperature control range and the target pressure control range, respectively. This method can simultaneously regulate the temperature and pressure values ​​during the temperature-controlled sterilization stage of the steam sterilizer, improving the stability of the sterilization temperature and increasing the temperature control accuracy. This application also discloses a sterilization control device for a steam sterilizer, a steam sterilizer, and a storage medium.
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