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Cooling system for appliance and network cabinets, and method for cooling appliance and network cabinets

A network cabinet and cooling system technology, which is applied in the construction of electrical equipment components, cooling/ventilation/heating transformation, electrical components, etc., can solve the problems of module unit and system damage, reduce absolute atmospheric humidity, etc., and achieve the effect of avoiding damage

Inactive Publication Date: 2007-08-29
KNURR GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, the absolute atmospheric humidity in the equipment cabinet is reduced, causing damage to the installed modular units and systems

Method used

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  • Cooling system for appliance and network cabinets, and method for cooling appliance and network cabinets

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Embodiment Construction

[0019] In this embodiment, the servers are stacked as the electronic module units 4 and accommodated in a not-shown housing having air inlets and outlets. In an embodiment of the present invention, in each case, a fan 13 is arranged inside the housing of the modular unit 4 . With air circulation with air channels of the same length, the flow resistance of the individual electronic module units 4 and the aerodynamic separation between the cold air supply 12 and the hot air discharge 9 are the same, so that the electronic units 4 are supplied with air 12 having a uniform supply air temperature, This means that the temperature variation is + / - 2° on the absolute scale.

[0020] An air-to-water heat exchanger is provided at the bottom as the heat exchanger 5 and is supplied with air circulating in a closed circuit for heat removal purposes. The supply air 12 cooled in the heat exchanger 5 reaches the individual electronic module units 4 through the air supply duct 11 , absorbs th...

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Abstract

The invention relates to a cooling system for appliance cabinets and network cabinets, especially server cabinets, and a method for cooling appliance cabinets and network cabinets. Said cabinets are embodied in an air-tight manner and are provided with humidity stabilization in order to prevent damage due to condensation and a reduction of the absolute humidity. According to the invention, humidity stabilization is obtained by feeding external air in a defined, especially a controlled manner, and optionally discharging air from the closed cooling air circuit.

Description

technical field [0001] The invention relates to a cooling system for a device and a network cabinet according to the preamble of claim 1 and a method for cooling a device and a network cabinet according to the preamble of claim 11 . Background technique [0002] The invention is particularly applicable to server cabinets having a plurality of superimposed or side-by-side servers as electronic modular units. [0003] It is known to design server cabinets such that there is no air exchange with the surrounding air. Usually, these server cabinets or network cabinets are almost completely sealed with respect to the environment and, for example, fulfill an IP55 protection value, ie they are arranged in a dust-tight and water-sprayed or water-sprayed manner. The sealing against water spray or water pouring is not absolutely important, what needs to be sought is a sealing design that prevents air exchange between the inside of the cabinet and the installation room. Thus, correspo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05K7/20
CPCH05K7/20754
Inventor P·科赫H·埃伯曼
Owner KNURR GMBH
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