Fresh air system constant air volume control method and system
A control method and technology for a fresh air system, applied in heating and ventilation control systems, heating and ventilation safety systems, heating methods, etc., can solve problems such as high dependence, increased hardware costs, and location sensor failures, and achieve stable air volume and reduced air volume. Small cost, avoiding the effect of too large or too small air volume
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[0018] The above solution will be further described below in conjunction with specific embodiments. It should be understood that these examples are used to illustrate the present invention and not to limit the scope of the present invention. The implementation conditions adopted in the examples can be further adjusted as the conditions of specific manufacturers, and the implementation conditions not indicated are usually the conditions in routine experiments.
[0019] Please refer to figure 1 Shown is a schematic structural diagram of a control system for constant air volume of the fresh air system according to the present invention. The fresh air system of the present invention comprises a control unit 10, a current detection unit 20, a motor drive unit 30 and a motor 40, the control unit 10 is electrically connected to the current detection unit 20 and the motor drive unit 30 respectively, and the motor drive unit 30 is electrically connected to the current detection unit 2...
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