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Method and device for controlling operation of piston compressor

A technology for controlling pistons and compressors, which is applied to piston pumps, pump control, mechanical equipment, etc., and can solve problems such as reduced working efficiency of compressors

Inactive Publication Date: 2005-02-02
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For this reason, the working efficiency of the compressor is reduced

Method used

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  • Method and device for controlling operation of piston compressor
  • Method and device for controlling operation of piston compressor
  • Method and device for controlling operation of piston compressor

Examples

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Embodiment Construction

[0032] Reference will now be made in detail to the preferred embodiments of the invention, examples of which are illustrated in the accompanying drawings.

[0033] The following will refer to Figures 3 to 5 A preferred embodiment of the device for controlling the operation of the piston compressor and the method thereof will be described in detail. By calculating the frequency-determining constant and determining the operating frequency of the compressor based on the calculated frequency-determining constant, the working efficiency of the compressor can be improved. .

[0034] image 3 is a block diagram showing an apparatus for controlling a piston compressor according to the present invention.

[0035] As shown in the figure, the device for controlling the operation of the piston compressor includes: a stroke detector 34 for detecting the stroke of the compressor; a current detector 35 for detecting the current supplied to the motor of the compressor; A frequency determi...

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Abstract

Provided is an operation control device and an operation control method for a reciprocating compressor capable of increasing the operating efficiency of the compressor by calculating a frequency determination constant and, based on the calculated frequency determination constant, determining the operating frequency of the compressor. This operation control device of the reciprocating compressor comprises a frequency determination constant calculation part calculating the frequency determination constant based on the stroke value of the compressor and a current value applied to the motor of the compressor for each predetermined control cycle of frequency, an operation frequency instruction value determination part determining an operation frequency instruction value based on the calculated frequency determination constant, and a controller varying the operation frequency of the compressor by the determined operation frequency instruction value.

Description

technical field [0001] The present invention relates to a piston compressor, and in particular to a device for controlling the operation of a piston compressor and a method thereof. Background technique [0002] Generally, a piston compressor compresses refrigerant circulating in a cooling device at high temperature and high pressure while a piston linearly reciprocates within a cylinder. [0003] Piston compressors can be divided into reciprocating compressors and linear compressors. [0004] In the reciprocating system, one crankshaft is connected to the rotary motor, and one piston is connected to the crankshaft, so that the piston linearly moves reciprocally using the rotational power of the rotary motor. On the other hand, in the linear system, the piston is directly connected to the linear motor so that the piston linearly moves reciprocally by the linear movement of the linear motor. [0005] As described above, in the linear piston compressor, the crankshaft conver...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B49/06F04B35/04
CPCF04B35/04F04B49/06F04B49/12F04B2203/0401F04B2203/0402F04B2203/0404F04B2207/01F04B2207/046
Inventor 刘载有李徹雄成知原
Owner LG ELECTRONICS INC