Continuous cooling capacity regulation using supplemental heating

a technology of supplemental heating and cooling capacity, which is applied in the direction of domestic cooling apparatus, indirect heat exchangers, lighting and heating apparatus, etc., can solve the problems of increasing the amount of electronic equipment in each rack and the power consumption of equipment, affecting the performance, reliability and useful life of equipment, and affecting the operation of compressors

Inactive Publication Date: 2008-05-08
AMERICA POWER CONVERSION CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0014]One aspect of the invention includes a cooling system. In some embodiments, the cooling system comprises a cooling element configured to cool a fluid flow by a variable cooling capacity to lower a temperature of the fluid flow, a heating element configured to heat the fluid flow by a v

Problems solved by technology

Heat produced by electronic equipment can have adverse effects on the performance, reliability and useful life of the equipment.
Furthermore, as the size of electronic equipment has decreased, the amount of electronic equipment in each rack and power consumption of the equipment has increased.
Compressors may be limited in operation to a set of discrete speeds or a range of

Method used

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  • Continuous cooling capacity regulation using supplemental heating
  • Continuous cooling capacity regulation using supplemental heating
  • Continuous cooling capacity regulation using supplemental heating

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Embodiment Construction

[0027]This invention is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the drawings. The invention is capable of other embodiments and of being practiced or of being carried out in various ways. Also, the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of “including,”“comprising,”“having,”“containing,”“involving,” and variations thereof herein, is meant to encompass the items listed thereafter and equivalents thereof as well as additional items.

[0028]In accordance with one aspect of the invention, it is recognized that temperature fluctuations, as well as over-cooling and under-cooling may have an adverse effect on the performance, reliability, and useful life of electronic equipment. As described above, because a compressor of a typical cooling device is limited in its variability, typical cooling devices...

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Abstract

A method of providing variable cooling includes operating a cooling element to cool an air flow by a first cooling capacity, operating a heating element to heat the air flow by a first heating capacity that adjusts the first cooling capacity towards a first desired total cooling capacity, determining a second desired total cooling capacity, controlling the cooling element to cool the air flow by a second cooling capacity that is greater than the second desired total cooling capacity, and controlling the heating element to heat the air flow by a second heating capacity that adjusts the second cooling capacity towards the second desired total cooling capacity. Further embodiments and cooling systems are also disclosed.

Description

BACKGROUND OF INVENTION[0001]1. Field of Invention[0002]Embodiments of the invention relate generally to devices and methods for cooling electronic equipment. Specifically, aspects of the invention relate to methods of providing variable cooling capacity to electronic equipment by supplementing a cooling device with a heating device.[0003]2. Discussion of Related Art[0004]Heat produced by electronic equipment can have adverse effects on the performance, reliability and useful life of the equipment. Over the years as electronic equipment becomes faster, smaller, and more power consuming, such equipment also produces more heat, making control of heat more critical to reliable operation.[0005]A typical environment where heat control may be critical includes a data center containing racks of electronic equipment, such as servers and CPUs. As demand for processing power has increased, data centers have increased in size so that a typical data center may now contain hundreds of such racks...

Claims

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Application Information

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IPC IPC(8): F28D15/00F25B29/00F25B49/00F25D23/00F25D3/00
CPCH05K7/2079H05K7/20836
Inventor CARLSEN, PETER RINGLINGREY, DAVID J.
Owner AMERICA POWER CONVERSION CORP
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