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Control method and control system of vortex air compressor set

A technology of air compressor unit and control method, which is applied in pump control, mechanical equipment, machine/engine, etc., can solve problems affecting the stability of the power grid, large load of the power grid, etc., and achieve the effect of stable operation of the machine and small load of the power grid

Active Publication Date: 2019-11-19
JUCAI IND SHENZHEN
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Problems solved by technology

[0003] In the prior art, similar to the above-mentioned oil-free air compressor device, it includes multiple scroll air compressors as power sources to achieve higher power output; but due to the starting characteristics of the motors, when multiple motors are started together, the A large load will be generated on the power grid, which will affect the stability of the power grid operation

Method used

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  • Control method and control system of vortex air compressor set
  • Control method and control system of vortex air compressor set

Examples

Experimental program
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Embodiment

[0056] Embodiment, a kind of control system of scroll air compressor unit, such as figure 1 As shown, it includes a cabinet 1 provided with an operating chamber 7, several scroll machines 2 installed in the operating chamber 7, temperature sensors 3 respectively arranged on the scroll machines 2, and exhaust gas installed in the operating chamber 7. The exhaust pressure sensor 4 on the port 8 and the control host 5 electrically connected to the exhaust pressure sensor 4, the scroll machine 2 and the temperature sensor 3. In this embodiment, six scroll machines 2 are used.

[0057] The control host 5 receives the detection signal of the exhaust pressure of the scroll air compressor set output by the exhaust pressure sensor 4, receives the detection signal of the exhaust temperature of the scroll machine 2 output by the temperature sensor 3, and outputs the control signal to control the scroll machine. 2 start and stop, and record the cumulative running time and current running...

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Abstract

The invention discloses a control method and control system of a vortex air compressor set, and relates to the technical field of air compressors. The control method of the vortex air compressor set is technically characterized by comprising the steps that S10, the accumulative running time of vortex machines in the air compressor set is obtained in sequence; S11, the preset starting pressure andthe exhaust pressure of an output end are acquired; S12, whether the exhaust pressure is lower than the starting pressure or not is judged; S13, if the exhaust pressure is lower than the starting pressure, and the vortex machine with the shortest accumulative running time is started; and S60, the step S10 is executed after wait for the delay time. The control method and control system of the vortex air compressor set have the advantages of being small in influence on a power grid during starting and balancing the service time of a single machine body.

Description

technical field [0001] The invention relates to the technical field of air compressors, more specifically, it relates to a control method and a control system for a scroll air compressor unit. Background technique [0002] At present, the Chinese patent with publication number CN105240275A discloses a low-noise oil-free air compressor device and its control system. It mainly includes the outer frame of the device, the control panel, the radiator of the whole machine, the main engine assembly, the sound insulation board, the air collecting pipe, the radiator of the single machine, the safety valve, the air outlet pipe, etc. The main engine assembly includes the main engine installation frame, motor, shock absorber, scroll compressor, etc. [0003] In the prior art, similar to the above-mentioned oil-free air compressor device, it includes multiple scroll air compressors as power sources to achieve higher power output; but due to the starting characteristics of the motors, wh...

Claims

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Application Information

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IPC IPC(8): F04C28/02
CPCF04C28/02F04C2270/185
Inventor 梅坚李恒峰
Owner JUCAI IND SHENZHEN
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