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Air compressor group control system and method capable of achieving calculation based on required air consumption

A technology of control system and control method, applied in pump control, mechanical equipment, machine/engine, etc., can solve the problems of complex control process, failure of air compressor and IR5000, power consumption of frequency converter, etc. The effect of promoting stable and efficient operation and improving the operating load rate

Active Publication Date: 2016-11-23
SHENZHEN XINHUANNENG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it must be ensured that the air compressor is in the loading / unloading mode, the control process is complicated, and it is easy to cause the air compressor and IR5000 to stop due to failure, and the inverter itself also consumes power

Method used

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  • Air compressor group control system and method capable of achieving calculation based on required air consumption
  • Air compressor group control system and method capable of achieving calculation based on required air consumption
  • Air compressor group control system and method capable of achieving calculation based on required air consumption

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Effect test

Embodiment 1

[0061] refer to figure 1 As shown, as an embodiment of the control system of the present invention, the system includes:

[0062] There are three groups of air compressors, and the three groups of air compressors are respectively provided with air compressors 110, 120, 130 and communicated with the air outlets of the air compressors 110, 120, 130 to store the output of the air compressors 110, 120, 130 The air storage tanks 310, 320, 330 of the gas; the air outlets of the air compressors 110, 120, 130 are respectively connected with a flow meter 210, 220, 230 for collecting the air supply flow of the air compressors 110, 120, 130;

[0063] A sub-cylinder 500, the air outlets of the air storage tanks 310, 320, 330 of each group of the air compressor unit are respectively communicated with the air inlet of the sub-cylinder 500 through a pipeline; the sub-cylinder 500 is provided with a pressure sensor 510, the pressure sensor 510 is used to collect the air supply pressure of th...

Embodiment 2

[0071] refer to figure 2 As shown, as the air compressor group control control method based on the demand gas consumption calculation of the present invention, the method includes the following steps:

[0072] S100, a step of obtaining the air supply pressure p of the sub-cylinder;

[0073] S200, calculate the required gas consumption Q of the gas consumption system according to the gas supply pressure p 用 A step of;

[0074] S300, a step of comparing the required gas consumption Q of the gas consumption system with the rated flow rate of each air compressor of the air compressor group;

[0075] S400. Adjust the operation of the air compressors in the air compressor group according to the air consumption Q required by the air consumption system and the comparison result with the rated flow rate of each air compressor in the air compressor group.

[0076] This control method, in the case of fluctuations in the air supply pressure of the air compressor group, is based on the...

Embodiment 3

[0078] As a preferred mode of Embodiment 2, the above method also includes obtaining the required gas consumption Q when the gas consumption system is in a stable working condition 用 according to the required gas consumption Q in the stable working condition of the gas consumption system 用 The operation of the air compressors 110, 120, 130 of the air compressor group is adjusted by comparing the result with the rated flow rate of each air compressor in the air compressor group.

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Abstract

The invention discloses an air compressor group control system and method capable of achieving calculation based on the required air consumption, and relates to the technical field of air compressor group control. The system comprises air compressor units, an air distributing cylinder and a controller; an air compressor air outlet of each air compressor unit is connected with a flowmeter, and the flowmeters are used for collecting the air supply flow of an air compressor, the air distributing cylinder is provided with a pressure sensor, and the pressure sensor is used for collecting air supply pressure of the air distributing cylinder; the controller receives the air supply flow collected by the flowmeter of each air compressor unit and air supply pressure collected with the pressure sensor, the received air supply flow and the received air supply pressure are subject to data processing, and according to the processing result, running of air compressors of an air compressor group is adjusted; the method is a calculation method of the controller; the control system and method promote stable and efficient running of the air compressor, and the running and maintaining cost of an air compressor group are reduced.

Description

technical field [0001] The invention relates to the technical field of air compressor group control, in particular to a system and method for adjusting the operation of air compressors in an air compressor group based on the calculation of the required air consumption of an air consumption system. Background technique [0002] The pneumatic control system plays an important role in improving production efficiency and improving the automation rate of the production process. Widely used in electrical automation, automobile manufacturing and other industries. [0003] The control system of the air compressor group is the core technology in the field of energy saving of the pneumatic system. The pneumatic system based on compressed air has been widely used in modern industry due to its relatively low cost, no pollution, and easy maintenance. At the same time, the pneumatic system is also an important means to improve production efficiency and realize the automation of productio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B49/06F04B41/02F04B41/06F04B51/00
CPCF04B41/02F04B41/06F04B49/065F04B51/00
Inventor 钟如仕李光裕何红令
Owner SHENZHEN XINHUANNENG TECH
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