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Automatic speed regulation air compressor

An air compressor, automatic speed regulation technology, applied in the direction of machine/engine, mechanical equipment, liquid variable capacity machinery, etc., can solve the problem of energy saving, unable to automatically adjust the operation stop, etc., to achieve small vibration and reduce impact , the effect of running smoothly

Inactive Publication Date: 2008-04-09
QINGDAO D& D ELECTRO MECHANICAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The technical problem to be solved by the present invention is to provide an intelligent control method for an air compressor, so as to overcome the fact that the prior art cannot automatically adjust functions such as running and stopping according to the actual working conditions of the air compressor, thereby failing to realize energy saving in the true sense. defect

Method used

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  • Automatic speed regulation air compressor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Embodiment 1 is to use a DC motor to drive the air compressor: the motor (1) adopts a DC motor, and the motor power supply input line (2) is connected to the controller (5); The three interfaces of the pipe are respectively connected to the air outlet of the gas storage tank (11), the pressure sensor (9), and the unloading valve (12); the pressure sensor signal line (8) of the pressure sensor (9) is connected to the controller (5); The air inlet of the unloading valve (12) is connected to the air compressor compressed air outlet pipe (3) of the air compressor (4), and the unloading valve (12) is

[0022] The unloading valve control line (13) is connected to the controller (5), (when the unloading valve (12) adopts an automatic unloading valve, the unloading valve control line (13) is omitted); the controller (5) is provided with a rectifier circuit, a DC Motor speed regulating circuit, pressure signal preset and pressure sensor signal comparison control circuit, switch ...

Embodiment 2

[0023] Embodiment 2 is to use the series excitation motor to drive the air compressor: the motor (1) adopts the series excitation motor, and the DC motor speed regulating circuit of the controller (5) is changed into a series excitation motor voltage speed regulating circuit. Others are the same as in Example 1.

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Abstract

The invention relates to an air compressor which automatically adjusts the rotation speed of a motor of the air compressor. The driving motor of the air compressor is a DC motor or a series motor which can adjust the rotation speed; the control to the rotation speed of the motor is sent out by a controller according to the comparison between the pressure sensing signal of a pressure sensor and the pre-arranged pressure control signal; an outlet of the air compressor for compressing the air is provided with an unloading valve connected with a gas storage tank. The air compressor has the advantages of stable operation, small vibration, low noise, saving electric energy, and long service life. As the pressure sensor and the electronic controller are adopted, the rotation speed of the motor is intelligently controlled, and the starting times of the motor are reduced; as the unloading valve is adopted, the motor is started on the zero load condition of the air compressor every time, the starting current is reduced, the impact to the air compressor is relieved, and the service life of the equipment is prolonged.

Description

technical field [0001] The invention relates to an air compressor, in particular to an air compressor which can automatically adjust the rotation speed of the motor of the air compressor. Background technique [0002] Generally speaking, the composition of the air compressor used for pneumatic tools is that a motor drives the crankshaft of the compressor body to rotate, so that the piston in the cylinder reciprocates with the rotation of the crankshaft, so that the air sucked from the intake valve Air is compressed, and the compressed air generated in the compressor body is discharged from a discharge valve through a pipe into an air storage tank and stored in the air storage tank. The pneumatic tools work with the compressed air stored in the air tank. [0003] This type of air compressor is often taken to the construction site for use, or is often used in densely populated areas. For this reason, improvements in such air compressors are desired from various points of vie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B41/02F04B49/08F04B49/06F04B49/03
Inventor 张永升
Owner QINGDAO D& D ELECTRO MECHANICAL TECH
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