Air compression system and control method
A technology for compressing air and a control method, which is applied in the field of compressors, and can solve problems such as the inability to calculate the working efficiency of the air compressor or the input power ratio k in real time, increase the energy consumption of the air supply pressure of the air compressor, and the inability to calculate the start-stop operation, etc. Achieve automatic start and stop, improve operating efficiency and reduce energy consumption
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[0031] Example one
[0032] The embodiment of the present invention provides a compressed air system. figure 1 , The system changes the electric drive mode of the air compressor, from the power frequency star-delta / soft starter control to the inverter control, which improves the working efficiency of the air compressor. The compressed air system specifically includes: a function switching module 100, The air compressor module 200, the detection assembly 300 and the controller 400.
[0033] The function switching module 100, connected to the air compressor module 200 and the controller 400, is used to change the starting mode of the air compressor, so that the air compressor can be switched between power frequency and variable frequency control;
[0034] The air compressor module 200 is respectively connected to the function switching module 100, the detection assembly 300 and the controller 400, and is used to provide compressed gas;
[0035] The detection component 300 is respectivel...
Example Embodiment
[0060] Example two
[0061] The embodiment of the present invention provides a compressed air control method, which is applicable to the compressed air system described in the first embodiment, and specifically includes the following methods:
[0062] Method 1: Find the most efficient pressure within the required pressure range, assign this value to PID to control the action of the air compressor, refer to Figure 4 , The specific control method is divided into the following steps:
[0063] Step S31, install equipment for each air compressor (power frequency and variable frequency)—electric energy acquisition module 80, flow meter 30, temperature and humidity sensor 35 of the suction environment, exhaust temperature sensor 10 and exhaust pressure sensor 20, The air compressor controller 400 collects the installed sensor data and calculates the real-time working efficiency of each air compressor.
[0064] Step S32, calculating the working efficiency of the air compressor
[0065] The ai...
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