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Method and device for controlling three-gas incubator and three-gas incubator

An incubator and box technology, applied in the field of biomedicine, can solve the problems of inaccurate control of gas concentration and failure to reach the set value, etc., and achieve the effect of improving accuracy and reducing static errors

Pending Publication Date: 2022-07-08
QINGDAO HAIER BIOMEDICAL TECH CO LTD +1
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Problems solved by technology

However, when replacing oxygen by filling nitrogen, due to the airtightness of the box itself, carbon dioxide will be replaced at the same time, so that under the control of ultra-low oxygen concentration, the concentration of carbon dioxide cannot always reach the set value, and there is a static error. Control is not precise enough

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Embodiment Construction

[0021] In order to understand the features and technical contents of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings, which are for reference only and are not intended to limit the embodiments of the present disclosure. In the following technical description, for the convenience of explanation, numerous details are provided to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawings.

[0022] The terms "first", "second" and the like in the description and claims of the embodiments of the present disclosure and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or s...

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Abstract

The invention relates to the technical field of biomedical treatment, and discloses a method for controlling a three-gas incubator, which comprises the following steps: under the condition that a system is in a steady state, according to the flow of a first electromagnetic valve and the flow of a second electromagnetic valve, determining the leakage amount of carbon dioxide in the current period; according to the carbon dioxide leakage amount, the compensation duration of the first electromagnetic valve in the current period is determined; and according to the compensation duration, the first electromagnetic valve is controlled to operate. In the current period, the opening degree of the first electromagnet is increased through the compensation duration so as to compensate the leakage amount of the carbon dioxide in the current period, the static error of the concentration of the carbon dioxide can be reduced when the concentration of oxygen and the concentration of the carbon dioxide are adjusted in the three-gas incubator, and the gas concentration control accuracy of the three-gas incubator is improved. The invention further discloses a device for controlling the three-gas incubator and the three-gas incubator.

Description

technical field [0001] The present application relates to the field of biomedical technology, for example, to a method and device for controlling a three-gas incubator, and a three-gas incubator. Background technique [0002] A carbon dioxide incubator is a high-end medical device that provides suitable temperature, humidity and carbon dioxide concentration for culturing human tissues and cells. The three-gas incubator is a type of carbon dioxide incubator. Different from the conventional carbon dioxide incubator that simply adjusts the concentration of carbon dioxide gas, the three-gas incubator adds the detection and control of oxygen. By simulating the growth environment of microorganisms, tissues, cells, etc., Provides stable temperature and humidity, carbon dioxide concentration and oxygen concentration, and is widely used in the reproduction and cultivation of cells, tissue culture and some special microorganisms that require a low oxygen environment. The traditional ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12Q3/00C12M3/00C12M1/38C12M1/36C12M1/34C12M1/04C12M1/00
CPCC12Q3/00C12M29/06C12M41/12C12M41/34
Inventor 陈欢鞠焕文郑文东徐志宏段泽鹏王潘飞胡伟
Owner QINGDAO HAIER BIOMEDICAL TECH CO LTD
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