Thermoelectric refrigeration and film moisture permeability combined temperature and humidity control system

Abstract

The invention discloses a thermoelectric refrigeration and film moisture permeation combined temperature and humidity control system, which provides accurate, rapid and stable temperature and humiditycontrol for micro-environment scenes with special temperature and humidity requirements, such as biological incubators, food storage cabinets, cultural relic display stands and the like. According tothe temperature requirement, the system performs cold end and hot end switching on the thermoelectric module by changing the current direction so as to perform temperature control on air in the microenvironment, and the system is simple in structure, does not consume refrigerants, does not need high-speed moving parts and is low in noise. According to the combined temperature and humidity controlmode adopted by the invention, the cold and heat loads of the thermoelectric module are fully utilized, hot water or cold water is prepared while the temperature of air is controlled, mass transfer driving force is provided for the humidity treatment of the membrane module, and the air is humidified or dehumidified through the moisture-permeable membrane, so that the humidity control is realized.The non-contact humidity treatment mode can effectively avoid the situation that airflow carries liquid drops, and it is guaranteed that the air quality is not affected by the water quality.

Description

technical field [0001] The invention relates to a combined temperature and humidity control system of thermoelectric refrigeration and membrane moisture permeability. Background technique [0002] In the field of biology and medicine, the incubator has always been an important technical device, which can provide a suitable microenvironment for cultivation objects such as plants, animals, and microorganisms. In recent years, with the development of agricultural technology, the cultivation methods of many high value-added crops have been continuously improved, from outdoor cultivation to greenhouse cultivation, and now more refined incubator cultivation, completely getting rid of the dependence on atmospheric climate. Usually, among the various factors of the microenvironment of the incubator, the most important ones are temperature and humidity. Whether they can be controlled accurately and stably is related to the growth status of the cultivating objects. In addition, in th...

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Problems solved by technology

Liu Hanshi et al. (CN201810398407.2) disclosed "a plant cell culture aseptic drying equipment", and proposed to use air-drying method to dry the cultivation objects, but there is a premise here that the air must be dry and hot, although it can achieve Humidity control requirements, but can not take into account the temperature

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