In order to ensure a stable experimental environment inside the laboratory, constant temperature and humidity laboratory air conditioning must be used. In this way, the temperature and humidity in the laboratory and dehumidification control can achieve more intelligent and stable standards. In order to better ensure the experimental environment in the laboratory, about the adjustment mode of air conditioning, today we will comprehensively introduce the constant temperature and humidity experiment Room air conditioning regulation strategy.
The adjustment mode of laboratory air conditioning is generally multi-stage refrigeration. Generally, this kind of high-power equipment consumes a lot of power and has obvious effect on temperature adjustment, but the effect on indoor humidity adjustment is not very good. Therefore, it has been eliminated in some large laboratories.
The adjustment mode of laboratory air conditioning is frequency conversion refrigeration, which can really make the whole power consumption begin to decline, 50% - 100% of the cooling capacity to achieve a variety of unlimited adjustment, which means that the temperature and air conditioning speed inside the laboratory is faster, and it can reach the standard temperature and humidity of our laboratory in a short time, and the temperature adjustment effect of high-precision air conditioning is also very obvious He wrote.
The constant temperature and humidity regulation of laboratory is mainly through the intelligent way of chilled water. For the air conditioning design with chilled water as the main energy source, it is easy to control the opening of the water valve through the computer motherboard. From 0% to 100% it can be regulated infinitely. It is a common air conditioning used in all laboratories at present.
In order to reduce the noise in the indoor working area, the 100 level laminar flow hood of the laboratory was not completed, and the external fan control was adopted instead. Equipment such as exhaust fan, air conditioner and so on are also considered to choose low-noise type, each main air duct in the machine room is installed with 2 mufflers to eliminate noise. Caring for laboratory users from the perspective of humanity.
In order to save energy, according to the characteristics of the project, all laboratory air conditioning units and circulating fans adopt advanced variable frequency control fans. From the use of various levels of filter screen to replacement, the working power of fan motor gradually increases from small to large. Compared with the constant air volume valve, the working power of the fan motor is always kept at a fixed maximum power, and the operation power of the air conditioning unit in the laboratory can be saved by frequency conversion control. The utility model can realize the frequency conversion soft start of the air circulation unit, the operation is stable, the impact of the excessive starting current on the power grid is avoided, and the stepless adjustment is also realized.
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