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Double-tooth radiation fin, outdoor cabinet therewith as heat radiator and heat radiating method

A technology of heat sinks and heat sinks, applied in heat exchange equipment, lighting and heating equipment, cooling/ventilation/heating renovation, etc. Reliability, high protection ability, cost-effective effect

Inactive Publication Date: 2010-07-07
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The air conditioner adopts the refrigeration method, which can keep the working environment temperature of the equipment in the cabinet at the normal temperature level. It is a relatively effective means of heat dissipation. Its disadvantages are the problems of condensed water and refrigerant replacement. In addition, the price is relatively high, and the power supply is AC, which consumes more energy. Big
The heat exchanger is a heat dissipation facility commonly used in outdoor cabinets. Generally speaking, the temperature rise can be controlled within 10°C (referring to the difference between the inlet air temperature of the electronic equipment inside the cabinet and the ambient temperature), which can effectively improve the heat dissipation of the electronic equipment inside the cabinet. Conditions, the disadvantage is that the price is higher and the noise is larger

Method used

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  • Double-tooth radiation fin, outdoor cabinet therewith as heat radiator and heat radiating method
  • Double-tooth radiation fin, outdoor cabinet therewith as heat radiator and heat radiating method
  • Double-tooth radiation fin, outdoor cabinet therewith as heat radiator and heat radiating method

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0058] Example 1: The gear connecting member is a base plate 10 integrally formed with the first gear set 8 and the second gear set 9 . Figure 4a~4c They are the perspective view, the front view and the top view of the double-tooth heat sink of the structure respectively. In the figure, the gear set is vertically connected to the base plate, but it is not limited thereto.

[0059] This structure is more suitable for the situation where the tooth height of the heat sink is relatively low and the space between the teeth is large, and it can be molded or drawn as a whole during manufacture.

example 2

[0060] Example 2: The gear connecting member includes a first base plate integrally formed with the first gear set 8 , and a second base plate integrally formed with the second gear set 9 , the first base plate and the second base plate are integrally formed. They are fixedly connected face to face to form the substrate 10 . Figure 5a~5b They are the front view and right view of a single module of the double-tooth heat sink of this structure, respectively. Its stereogram can refer to Figure 4a .

[0061] This structure is more suitable for the situation where the tooth height is high and the tooth spacing is small and the mold cannot be opened as a whole. During manufacturing, it can be divided into two modules, the upper and the lower, to open the mold or draw the profile separately, and then fasten (such as screwed) to form a whole. .

example 3

[0062] Example three: the tooth piece connector is a base plate 10, the plate surface of the base plate 10 is provided with a plurality of long holes arranged in parallel, a tooth piece 8 runs through each long hole and the tooth piece is fixed to the base plate (such as using glue Sticking or other process methods), the parts of the plurality of gears 8 on both sides of the base plate respectively constitute the first gear group and the second gear group. The connection between the two gear sets and the gear base plate should be sealed and moisture-proof. Figure 6a~6d They are the front view, left view, top view and perspective view of the double-tooth heat sink of the structure respectively.

[0063] This structure is more suitable for situations with high tooth height, small tooth spacing and low cost requirements. Ordinary aluminum plates can be processed into heat sink fins.

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Abstract

The invention provides a twin-tooth radiating fin, an outdoor cabinet adopting the radiating fin as cooling device and a cooling method thereof. The twin-tooth radiating fin comprises a blade connecting piece, a first and a second blade groups which are connected with the blade connecting piece and arranged on two sides thereof. The outdoor cabinet includes a sealing cabinet body, an internal circulation air passage is formed between the inside of the sealing cabinet body and a baffler in the cabinet, a heat generating device is arranged in the internal circulation air passage, a twin-tooth radiating fin is arranged on the sealing cabinet body, the first blade group thereof is arranged outside of the sealing cabinet body, the second blade group is arranged in the internal circulation air passage, the internal circulation air passage is provided with a blower fan. After working, the blower fan in the internal circulation air passage is started, heat generated by the heat generating device is carried to the internal circulation air passage by airflow, transmitted to outside of the sealing cabinet body through the twin-tooth radiating fin, then dispersed to external environment. By utilizing the new twin-tooth radiating fin structure, the outdoor cabinet can satisfy protecting and cooling requirements without using air conditioners and heat exchangers.

Description

technical field [0001] The invention relates to a cooling fin and an outdoor cabinet, in particular to a toothed cooling fin and an outdoor cabinet using it as a cooling device. Background technique [0002] Outdoor heat dissipation of communication and other equipment has always been difficult. At present, outdoor cabinets generally adopt two methods of heat dissipation: one is internal and external ventilation and heat dissipation, and the other is internal and external closed heat dissipation. Although the internal and external ventilation and heat dissipation methods are less difficult to dissipate heat, they have brought a series of outdoor protection problems, including waterproof, dustproof and three-proof (moisture-proof, mildew-proof and salt spray-proof). Special dust-proof materials cannot effectively avoid the above problems. [0003] In order to effectively improve the working environment of core electronic equipment, a closed cabinet design method is generally...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05K7/20F28F3/02
Inventor 李丰
Owner ZTE CORP
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