CN-117628868-B - Quantitative evaluation method for instrument drying effect

CN117628868BCN 117628868 BCN117628868 BCN 117628868BCN-117628868-B

Abstract

The invention discloses a quantitative evaluation method for drying effect of an instrument, and belongs to the technical field of drying of medical instruments. The device solves the defect that the drying effect of the device in the drying process cannot be fed back in real time in the traditional device drying in the prior art. The main structure of the device comprises the steps of S1, setting a temperature and humidity sensor at an air outlet of drying equipment, collecting temperature and humidity data of hot air in real time through the temperature and humidity sensor, S2, establishing a mathematical model according to the temperature and humidity data, calculating a dryness value of an instrument in real time, automatically controlling running time of a drying stage according to a set dryness threshold value, and S3, quantitatively evaluating a drying effect by adopting a linear model and/or an exponential model according to the mathematical model in the step S2. The invention is mainly used for evaluating the drying effect of the instrument.

Inventors

ZHANG LONGLONG
HAN JIANKANG
XU PENG
WANG YIZHEN
LV ZHIMING
HAN BAOLIN

Assignees

山东新华医疗器械股份有限公司

Dates

Publication Date: 20260512
Application Date: 20231024

Claims (3)

1. The quantitative evaluation method for the drying effect of the instrument is characterized by comprising the following steps of: s1, arranging a temperature and humidity sensor at an air outlet of drying equipment, and collecting temperature and humidity data of hot air in real time through the temperature and humidity sensor; s2, establishing a mathematical model according to the temperature and humidity data and calculating the dryness value of the instrument in real time; s3, quantitatively evaluating the drying effect by adopting a linear model or an exponential model according to the mathematical model in the step S2; the calculation formula of the drying effect of the assessment instrument of the linear model or the index model is as follows: Formula (1) In the formula, The instrument drying effect evaluation value of the device, namely the dryness, is in the value range of [0,1]; Refers to the dryness related to temperature, and the value range is 0, 1; the value range is [0,1], m is a temperature evaluation value coefficient, n is a humidity evaluation value coefficient, and m and n satisfy the following relation: m+n=1 formula (2) Wherein, when a linear model is adopted The calculation formula of (2) is as follows: Formula (3) Wherein, T 1 is the upper limit of the temperature of hot air set in the drying stage, T 2 is the lower limit of the temperature of hot air set in the drying stage, and the temperature is the room temperature value in the current environment, and T is the temperature data acquired in real time at a certain moment; When linear models are used The calculation formula of (2) is as follows: Formula (4) Wherein, H 1 is the upper limit of the humidity value in the drying stage, the limit value is 100%, H 2 is the lower limit of the humidity value in the drying stage, and the limit value is 0;H which is the humidity value data acquired in real time at a certain moment at present; wherein, when an exponential model is adopted The calculation formula of (2) is as follows: Formula (7) Wherein when T reaches the upper limit of the hot air temperature 1 When T reaches the lower limit of the temperature of hot air The temperature is 0, and the room temperature value in the current environment is generally adopted, wherein T is the temperature data acquired in real time at a certain moment at present; When using an exponential model The calculation formula of (2) is as follows: Formula (8) Wherein when H reaches the upper limit of the humidity value in the drying stage, i.e., the limit value is 100%, 0, When H reaches the lower limit of the humidity value in the drying stage, namely the limit value is 0, The value of a, b, c, d can be determined sequentially by substituting the values under the limiting conditions into the formula (7) and the formula (8) for 1;H, which is the humidity value data acquired in real time at a certain moment.
2. The method for quantitatively evaluating the drying effect of an instrument according to claim 1, wherein the evaluation value of the drying effect of an instrument is obtained by substituting the formulas (2) to (4) into the formula (1) The calculation formula of (2) is as follows: Equation (5).
3. The method for quantitatively evaluating the drying effect of an instrument according to claim 1, wherein the evaluation value of the drying effect of an instrument is obtained by substituting the formula (2), the formula (7) and the formula (8) into the formula (1) The calculation formula of (2) is as follows: Equation (9).

Description

Quantitative evaluation method for instrument drying effect Technical Field The invention belongs to the technical field of medical instrument drying, and particularly relates to a quantitative evaluation method for instrument drying effect. Background The medical drying cabinet is a high-capacity medical drying device developed according to the requirements of hospitals and is used for drying surgical instruments, glassware and respiratory treatment articles. The operation is simple and flexible, the drying temperature is set to be 40-90 ℃, the drying time is set to be 1-999 min, the drying temperature can be freely set by a user according to the requirements, and the device has two specifications of single door opening and double door opening and is suitable for different department requirements of hospitals. The existing equipment is used for controlling the drying process in the drying stage by using fixed time, and when the loading capacity of the equipment is too high or too low, the problem of improper setting of the drying time can occur, so that the equipment is thoroughly dried but still operates, or the equipment is stopped to be dried, but the drying effect of the equipment is still poor. The chinese patent with application number 201910782043.2 discloses a method for drying medical instruments, which uses alternate circulation to perform vacuumizing treatment and emptying treatment to destroy the medical instrument cracks sealed by a water film, and simultaneously removes partial water stains on the surface of the medical instrument, and then makes the medical instrument perform high-temperature drying under constant pressure, so that compressed air is fully contacted with the cracks of the medical instrument, and the water stains in the cracks of the medical instrument are effectively removed, but the method controls the drying effect through time, so that the problems of incomplete drying or waste of drying time may occur for different loading, and the drying effect of the instrument in the drying process cannot be fed back in real time. Disclosure of Invention The invention aims to overcome the defects of the prior art, and provides a quantitative assessment method for the drying effect of an instrument, which utilizes a sensor to monitor temperature and humidity data of an air outlet of the equipment in real time and achieves the purpose of quantitative assessment of the drying effect of the instrument by establishing a mathematical model containing bivariate. In order to achieve the above purpose, the present invention is realized by adopting the following technical scheme: The quantitative evaluation method for the drying effect of the instrument comprises the following steps: s1, arranging a temperature and humidity sensor at an air outlet of drying equipment, and collecting temperature and humidity data of hot air in real time through the temperature and humidity sensor; S2, establishing a mathematical model according to the temperature and humidity data, calculating the dryness value of the instrument in real time, and automatically controlling the running time of the drying stage according to the set dryness threshold; And S3, quantitatively evaluating the drying effect by adopting a linear model and/or an exponential model according to the mathematical model in the step S2. Preferably, the calculation formula of the drying effect of the linear model evaluation instrument is as follows: Formula (1) Wherein μ denotes an instrument drying effect evaluation value of the apparatus, i.e., dryness, ranging from [0,1], μ 1 denotes a temperature-dependent dryness ranging from [0,1], μ 2 denotes a humidity-dependent dryness ranging from [0,1], m denotes a temperature evaluation value coefficient, n denotes a humidity evaluation value coefficient, and m and n satisfy the following relationship: . Formula (2) Preferably, μ 1 has the formula: Formula (3) Wherein T 1 is the upper limit of the temperature of hot air set in the drying stage, T 2 is the lower limit of the temperature of hot air set in the drying stage, the room temperature value in the current environment is generally adopted, and T is the temperature data acquired in real time at a certain moment. Preferably, μ 2 has the formula: Formula (4) Wherein H 1 is the upper limit of the humidity value in the drying stage, the limit value is 100%, H 2 is the lower limit of the humidity value in the drying stage, and the limit value is 0;H which is the humidity value data acquired at a certain moment in real time. Preferably, the calculation formula for substituting the formula (2) -the formula (4) into the formula (1) to obtain the instrument drying effect evaluation value μ of the apparatus is: Formula (5) Preferably, the calculation formula for evaluating the drying effect of the instrument by using the index model is as follows: formula (1-1) Wherein μ denotes an instrument drying effect evaluation value of the apparatus, i.e., dryness, r