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A cooling device and a control method

A technology for cooling equipment and speed control, used in refrigeration and liquefaction, lighting and heating equipment, refrigerators, etc., to solve problems such as increased circulation loss, increased number of stops and starts, etc.

Inactive Publication Date: 2010-05-12
ARCELIK AS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The fact that the compressor capacity is larger than necessary leading to an increased number of stops and starts and increased cycle losses

Method used

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  • A cooling device and a control method
  • A cooling device and a control method
  • A cooling device and a control method

Examples

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Embodiment Construction

[0019] The cooling device (1) comprises a compressor (2), whereby a refrigeration cycle is carried out, a thermostat ( 3), the speed control unit (4) and the inverter (5) that calculate the operating speed of the compressor (2) (the number of revolutions of the motor of the compressor (2)) according to the operating conditions, thereby by using the slave speed control unit (4 ) to make it possible to run the compressor (2) at a determined rotational speed.

[0020] In the cooling plant (1 ), the compressor (2) is run until the temperature drops to a certain value to which the thermostat (3) is set, and at the same time the period of operating time (t1) can be measured. After the compressor (2) is stopped, it remains inactive until the temperature increases to a certain value to which the thermostat (3) is set, and the stop time period (t2) can be measured. By using the operation time period and stop time period (t1, t2) of the compressor (2), the operation time ratio (Rt) was...

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PUM

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Abstract

This invention relates to a cooling device (1) and a control method thereof, which includes a speed control unit (4) wherein by considering the measured running speeds and the cycle times, it determines to operate the variable revolution compressor (2) used to perform the refrigeration cycle, whether at a normal speed or at a high speed.

Description

technical field [0001] The invention relates to a cooling device comprising a compressor, wherein the speed is controlled with respect to operating conditions, and a control method thereof. Background technique [0002] In cooling plants, when selecting a compressor to be part of a cooling system, the limits of the operating conditions are considered in connection with the type of climate in which the cooling plant will be used, and since difficult operating conditions are taken into account, the capacity of the compressor selected for this The energy consumption value specified for cooling equipment may be higher than required. The fact that the compressor capacity is larger than necessary results in an increased number of stops and starts and increased cycle losses. In order to eliminate the aforementioned disadvantages, compressor selection is made according to normal operating conditions which constitute a large part of the life of the cooling equipment, and in cases wh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B49/02
CPCY02B30/741F25B2600/0253F25B49/025F25B2500/19F25B2600/0251F25B2700/2104Y02B30/70
Inventor K·厄雷尼A·索伊萨尔A·贝库特L·特兹杜亚Y·古尔塔尔F·奥兹卡迪F·桑梅佐兹
Owner ARCELIK AS