A method for rapid and precise temperature control of a medical refrigerator and a medical refrigerator
A refrigerated box and precise technology, applied in household refrigeration devices, applications, household appliances, etc., can solve the problems of inability to achieve accurate temperature control, inappropriate temperature control requirements for medical refrigerators, etc., to avoid drug failure and respond quickly. The effect of sudden change in temperature and reduction of adjustment time
Active Publication Date: 2022-06-21
CETHIK GRP
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Problems solved by technology
However, the temperature control strategy of this technical solution adopts simple switch control, which cannot achieve precise temperature control, and is not suitable for the precise temperature control requirements of medical refrigerators
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[0067] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.
[0068] It should be noted that when a component is referred to as being "connected" to another component, it can be directly connected to the other component or an intervening component may also exist. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs. The terms used herein in ...
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The invention discloses a method for quickly and accurately controlling the temperature of a medical refrigerator and a medical refrigerator. The method includes: obtaining the actual temperature inside the medical refrigerator, and calculating the temperature difference between the preset target temperature and the actual temperature inside the refrigerator; If the temperature difference is greater than the condition threshold ΔM, the proportional coefficient K is calculated according to the ambient temperature C of the environment where the medical refrigerator is located P (C), use P control to obtain the working frequency F of the inverter compressor; otherwise, calculate the proportional coefficient K according to the preset target temperature S in the box P (S) and integral coefficient K I (S), using PI control to obtain the working frequency F of the frequency conversion compressor, and controlling the speed of the frequency conversion compressor according to the working frequency F, so as to realize the primary temperature control of the medical refrigerator. The rapid and accurate temperature control method of the medical refrigerator and the medical refrigerator of the present invention realize rapid and accurate temperature control.
Description
technical field [0001] The application belongs to the technical field of medical refrigeration, and in particular relates to a rapid and accurate temperature control method for a medical refrigerator and a medical refrigerator. Background technique [0002] With the rapid development of the medical refrigeration industry, there are more and more demands for medical equipment in major medical places, research institutes and CDCs, and higher requirements for the performance of medical equipment are also put forward. Some special supplies, such as sensitive drugs, vaccines, and blood, have high requirements on the accuracy and stability of refrigeration temperature control during transportation and storage. When the refrigeration temperature is exceeded, the original effect cannot be achieved, and it may even lead to failure. ; For example, vaccines must be stored at 2 to 8°C away from light; whole blood and red blood cells must be stored at 4±2°C in order to keep the enzyme ac...
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IPC IPC(8): F25D29/00
CPCF25D29/00
Inventor 黄震梁罗莉文方园程辉刘爽严朝磊赵松培张艳涛孟慈恒
Owner CETHIK GRP