Design Ideas for Zoned Control of Temperature and Humidity in Animal Laboratories
2025.03.31
In the construction and operation of animal laboratories, precise control of temperature and humidity is of utmost importance. Different areas have varying requirements for temperature and humidity due to differences in experimental needs and animal species. A well - designed zoned control system for temperature and humidity not only ensures the health and well - being of experimental animals but also guarantees the accuracy and reliability of experimental results. Today, Guangzhou Cleanroom Construction Co., Ltd. will deeply analyze the design ideas for zoned control of temperature and humidity in animal laboratories.
Why Conduct Zoned Control of Temperature and Humidity
Experimental animals are extremely sensitive to environmental changes. Subtle fluctuations in temperature and humidity can affect the physiological conditions of animals, thereby interfering with experimental data. For example, high temperatures may cause animals to have an accelerated metabolism and a weakened immune system, while high humidity is likely to breed molds and trigger animal diseases. Different species of experimental animals, such as mice, rats, and guinea pigs, also have different suitable temperature and humidity ranges. In addition, different functional areas within the laboratory, such as the animal breeding area, experimental operation area, and post - operative observation area, have different requirements for temperature and humidity. Therefore, implementing zoned control can meet the specific environmental requirements of each area and enhance the scientificity and stability of experiments.
Bases for Zoning and Common Area Division
Zoning Based on Animal Species
Different animals have different thermoregulation mechanisms and environmental adaptability. For example, the suitable temperature for mice is generally between 20 - 26°C, and the relative humidity is between 40% - 70%. Larger animals such as dogs and monkeys have slightly different suitable environments due to their body size and metabolic characteristics. Dividing temperature and humidity control areas according to animal species can provide the most suitable living environment in a targeted manner.
Zoning According to Experimental Functions
· Breeding Area: This is the area where animals live long - term, and the temperature and humidity need to be kept stable. For animal rooms of different grades, such as clean - grade and SPF - grade rooms, the temperature is usually controlled between 22 - 25°C, and the humidity is between 50% - 60% to promote the healthy growth and reproduction of animals.
· Experimental Operation Area: When conducting experimental operations, the comfort of experimenters and the normal operation of experimental instruments also need to be considered. The temperature in this area can be set between 23 - 26°C, and the humidity between 45% - 65%. This not only meets human comfort requirements but also prevents malfunctions of instruments due to temperature and humidity issues.
· Post - operative Observation Area: Post - operative animals are physically weak and more sensitive to environmental changes. The temperature in this area should be maintained between 24 - 27°C, and the humidity should be slightly higher, between 55% - 70%, which is conducive to the post - operative recovery of animals.
Temperature and Humidity Control Methods and Equipment Selection
Temperature Control
· Air - conditioning System: A fresh - air combined air - conditioning unit is used to ensure the freshness of indoor air. For areas with special temperature requirements, a duct - type electric heating device can be installed on the air supply duct to accurately adjust the supply air temperature according to actual needs. At the same time, in combination with an intelligent control system, the refrigeration or heating power of the air - conditioning unit is automatically adjusted based on the signals fed back by indoor temperature sensors.
· Heating and Cooling Equipment: In some local areas, such as small animal breeding boxes, small heating plates or cooling modules can be equipped to meet the special temperature requirements of the micro - environment for specific animals. These devices should have precise temperature adjustment functions and good stability.
Humidity Control
· Humidification Equipment: Commonly used ones include ultrasonic humidifiers and electrode - type humidifiers. In areas with low humidity, moisture is released into the air through humidifiers to increase humidity. Humidification equipment should be able to automatically control the humidification amount based on the feedback from humidity sensors to avoid over - humidification.
· Dehumidification Equipment: For areas with high humidity, rotary dehumidifiers or refrigeration dehumidifiers are used. Rotary dehumidifiers adsorb moisture in the air using a hygroscopic wheel, while refrigeration dehumidifiers remove moisture through the condensation principle. Similarly, dehumidification equipment needs to be linked with the humidity control system to keep the humidity within the set range.
Application of Intelligent Control System
An advanced intelligent control system is introduced to achieve real - time monitoring and precise regulation of temperature and humidity in various areas. High - precision temperature and humidity sensors are installed in each area, and the data is transmitted in real - time to the central control system. The control system automatically controls the operating status of air - conditioning units, humidification and dehumidification equipment, etc., based on the preset temperature and humidity ranges. When the temperature and humidity exceed the set range, the system immediately issues an alarm to remind staff to handle it in a timely manner. At the same time, the intelligent control system can record historical data, facilitating the analysis of environmental change trends and providing a basis for optimizing control strategies.
The design of zoned control of temperature and humidity in animal laboratories is a comprehensive project that requires full consideration of various factors such as animal species and experimental functions. Through reasonable zoning and advanced control technologies, a stable and suitable environment can be created for experimental animals, laying a solid foundation for the smooth progress of scientific research. Guangzhou Cleanroom Construction Co., Ltd. specializes in the field of purification equipment. With rich experience and a professional technical team, we can provide you with a complete temperature and humidity control solution for animal laboratories. If you have any related needs, please feel free to contact us.
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