High-precision constant temperature and humidity laboratory design
Release time:
2024-04-15
High-precision constant temperature and humidity laboratories are mainly used in material performance testing, precision measurement, precision manufacturing, warehousing, scientific experiments and other fields. Generally, the temperature stability of high-precision constant temperature and humidity laboratories should reach or be better than ±0.3℃. Many factors need to be considered when designing the laboratory.
High-precision constant temperature and humidity laboratories are mainly used in the fields of material performance testing, precision measurement, precision manufacturing, warehousing, scientific experiments, etc. In general, the temperature stability of high-precision constant temperature and humidity laboratories should reach or exceed ±0.3℃. Many factors need to be considered when designing the laboratory.
The design of high-precision constant temperature and humidity laboratories needs to consider factors such as building maintenance structure, room orientation, thermal insulation and airtightness. In terms of HVAC systems, it is necessary to calculate the load inside and outside the laboratory, and at the same time, according to the load and the specific technical indicators of constant temperature and humidity, a detailed air volume calculation is performed. In terms of air conditioning systems, it is recommended to use a water system. The water system can better ensure the stability of the system and high-precision constant temperature and humidity control. In terms of airflow organization, in the future, in order to better ensure the stability and uniformity inside the high-precision constant temperature and humidity laboratory, it is recommended to use a vertical airflow form with top air supply and floor return air. The top uses a full-hole plate for air supply, and the ground uses a ventilated floor for return air to achieve a stable constant temperature and humidity airflow. The control system is recommended to use a PLC controller, which is suitable for high-precision constant temperature and humidity control. It has relatively simple programming, strong scalability, simple program changes, good versatility, can realize a variety of complex controls, and can be upgraded and replaced. The use of a PLC controller can better ensure the system's high-precision constant temperature and humidity control and the system's energy-saving control.
Through the above-mentioned building maintenance closed insulation structure design, professional calculation, HVAC system design, high-precision automatic control program compilation and debugging, a high-precision constant humidity laboratory with high control accuracy, low energy consumption, and stable and reliable operation can be finally realized.
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