A kind of air compressor energy-saving control method
A technology for energy-saving control and air compressors, applied in pump control, mechanical equipment, machines/engines, etc., can solve problems such as closure, lack of auxiliary control devices for air compressors, and increased costs
Active Publication Date: 2017-10-17
PINGDINGSHAN POWER SUPPLY ELECTRIC POWER OF HENAN +1
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Problems solved by technology
[0006] The basic energy-saving principles of the above methods belong to the speed regulation control of the air compressor motor, involving the application of DCS, PLC and PID regulation principles, but on the one hand, although the PID algorithm based on PLC or DCS has reliable performance and simple structure, it cannot It is impossible to overcome the impact of large-scale changes in load parameters and nonlinear factors on the system. If you want to improve the PID algorithm, you need to use functional modules, which also brings about closed technical lines, lack of flexibility, poor versatility, and increased costs. Series of disadvantages, on the other hand, lack of energy-saving measures for auxiliary control devices of air compressors, such as auxiliary cooling fans
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[0025] Such as Figure 1 to Figure 3 As shown, an energy-saving control method for an air compressor, including the speed regulation control of the motor of the air compressor body with the PLC controller as the core, and the speed regulation control of the auxiliary heat dissipation fan of the air compressor through temperature detection and determination, specifically Proceed as follows:
[0026] 1) Establish the speed regulation control system of the air compressor body motor. The system includes a sampling unit, a PLC controller and a speed regulation potentiometer. Among them, the PLC controller is a Siemens S7-224XP type, including a PID algorithm unit, and connected to a computer database network ;The sampling unit is a speed sensor, and the GM-AV series speed sensor is selected, which can realize wide voltage input and sensitive output, and connect to the input channel of the PLC controller; The output channel of the PLC controller; two-way signal transmission channel...
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The invention provides an energy-saving control method for an air compressor, wherein operation modes of the air compressor and an auxiliary device of the air compressor can be determined flexibly through speed-regulating control of a motor of the air compressor as well as the auxiliary cooling fan, so that intelligent control can be carried out. In this way, an air compressor system can run under an efficient and energy-saving working mode at any time. The method has the advantages that the equipment service life can be effectively prolonged; energy consumption can be reduced; and the method is highly superior in cost and reliability and has very high practical values.
Description
technical field [0001] The invention belongs to the technical field of motor energy-saving control methods, and in particular relates to an air compressor energy-saving control method. technical background [0002] The energy loss of existing air compressors is mainly reflected in two aspects, one is the full pressure operation of the motor body of the air compressor unit and the frequent start-stop loss, and the other is the operation loss of the auxiliary control device of the air compressor, especially in the air compressor. When the working method of the machine is not scientifically controlled, its start-stop efficiency is low, the operating current is large, and the energy consumption of the equipment is large. However, if the manual control method is used, it is not only labor-intensive, but also cannot guarantee the timeliness and accuracy of the control. [0003] The invention with the application number of 200910112770.4 mainly discloses an energy-saving control me...
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IPC IPC(8): F04B49/06
Inventor 王振方李昕吕留义张磊白杨许刘峰
Owner PINGDINGSHAN POWER SUPPLY ELECTRIC POWER OF HENAN