Intelligent electric heating control system for traditional Chinese medicine steam distillation

By using an intelligent electric heating control system to monitor and dynamically adjust the steam distillation process of traditional Chinese medicine in real time, the problems of low extraction accuracy and resource waste caused by traditional endpoint determination are solved, and efficient, stable and energy-saving production of Chinese medicine extracts is achieved.

CN121623360AInactive Publication Date: 2026-03-10MIANYANG YIKANG PHARMACY CO LTD
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Patent Information

Application Number
CN202610147930.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-02-03
Publication Date
2026-03-10
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing steam distillation technology for traditional Chinese medicine relies on determining the endpoint using a fixed volume or time, resulting in low extraction accuracy, low resource utilization, and poor batch-to-batch product quality stability.

Method used

An intelligent electric heating control system is adopted, which monitors the spectral data of the distillate in real time through a spectral acquisition module, determines the specificity weight of the wavelength through a specificity evaluation module, calculates the comprehensive probability through an endpoint evaluation module, and dynamically adjusts the electric heating power through a power control module, thereby achieving accurate determination of the distillation endpoint and adaptive adjustment of the heating power.

Benefits of technology

It enables precise and dynamic determination of the distillation endpoint, avoiding energy waste and time loss, ensuring the quality purity and batch stability of traditional Chinese medicine extracts, and improving the level of intelligence and product quality control capabilities.

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Abstract

The invention discloses an intelligent electric heating control system for traditional Chinese medicine steam distillation, relates to the technical field of traditional Chinese medicine steam distillation, and can solve the problems of low extraction precision, low resource utilization rate and poor product quality batch stability in the traditional Chinese medicine steam distillation process. Collecting real-time spectral data of the distillate; wherein the real-time spectral data comprises absorbance information on a plurality of continuous wavelengths; determining the specific weight of each wavelength according to the real-time spectral data; wherein the specific weight is used for representing the specificity of the wavelength on the spectral signal of the target traditional Chinese medicine effective component; for each wavelength, determining the wavelength end point probability of each wavelength according to the absorbance change trend of the wavelength; according to the specific weight and the wavelength end point probability, determining the comprehensive probability that the current moment is the distillation end point; and dynamically adjusting the electric heating power according to the comprehensive probability.
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