Analysis of the functional diversity of high-precision constant temperature and humidity laboratory air conditioners
Release time:
2018-07-24
High-precision constant temperature and humidity laboratory air conditioner, also known as computer room air conditioner, is an air conditioner that can control the ambient temperature and humidity.
High-precision constant temperature and humidity laboratory air conditioner, also known as computer room air conditioner, is an air conditioner that can control the ambient temperature and humidity. It must have temperature and humidity detection functions, and the intelligent control motherboard shall perform corresponding cooling, heating, dehumidification and humidification according to the set requirements to achieve the requirements of constant temperature and humidity environment.
1. Constant temperature and humidity air conditioner adopts a large air volume and low enthalpy difference air supply method to maintain a small temperature and humidity uniformity.
2. Due to the rapid change of humidity, the unit needs to be dehumidified frequently, and the constant temperature and humidity air conditioner adopts a refrigeration and dehumidification method, so the air conditioning refrigeration system is required to be started frequently, which has very high requirements for the refrigeration system.
3. Constant temperature and humidity air conditioner has a powerful independent control motherboard, which must have temperature, humidity detection and airflow detection functions. With the increasing requirements of the computer room, the control motherboard has gradually added functions such as automatic start-up, fault warning, historical data storage, data output, and network monitoring.
A. High-precision constant temperature and humidity laboratory air conditioners must be equipped with high-precision temperature and humidity sensors. The sensor accuracy is required to be: 1.5RH, ±0.3℃ (at 23±2℃), repeatability: better than 0.5%RH and 0.1℃, and stability: better than 1.0%RH and 0.1℃ per year.
B. High-precision constant temperature and humidity laboratory air conditioners have higher requirements for air volume. In theory, the larger the air volume, the smaller the air supply enthalpy difference and the more uniform the temperature and humidity. However, the larger the air volume, the smaller the dehumidification capacity, or even completely lost. Therefore, high-precision constant temperature and humidity air conditioners require the largest possible air volume on the basis of ensuring the dehumidification capacity, and the design of the air volume is very strict.
C. Due to the accuracy requirements, high-precision constant temperature and humidity laboratory air conditioners require adjustable heating capacity, cooling capacity, humidification capacity, and dehumidification capacity.
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