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Radiating fan for computer

A heat dissipation fan and computer technology, applied in measuring devices, measuring flow/mass flow, liquid/fluid solid measurement, etc., can solve the problems of burning out the heat dissipation fan, large instantaneous current, etc., and achieve the effect of avoiding hot plugging

Inactive Publication Date: 2008-05-07
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in the process of testing, it is necessary to plug and unplug the plug of the heat dissipation fan when the motherboard is charged, and hot plugging often causes excessive instantaneous current, thereby burning out the heat dissipation fan or the heat dissipation fan. Other components on the motherboard

Method used

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  • Radiating fan for computer

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Embodiment Construction

[0008] Please refer to figure 1 A preferred embodiment of the computer cooling fan of the present invention includes a fan 10, a switch 14 and a filter capacitor C1. In this preferred embodiment, the switch 14 is a manual switch.

[0009] The fan 10 includes a ground pin 1 , a power pin 2 , an output pin 3 and an input pin 4 . The ground pin 1 is grounded; the power pin 2 is connected to the +12V computer system power supply through the switch 14, and grounded through the filter capacitor C1; the input pin 4 is input to control the computer cooling fan 10 speed control signal; the output pin 3 is connected to -12V computer system power supply through a first resistor R1, and outputs the fan speed signal through a second resistor R2.

[0010] During the test, when it is necessary to detect certain performance parameters under the state of starting the machine and stopping the heat dissipation with the fan 10, it is only necessary to disconnect the switch 14 to stop the operati...

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PUM

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Abstract

The invention relates to a radiator fan for a computer, which comprises a fan and a switch; wherein, the switch is connected in series between the power supply pin of the fan and the system power supply of the computer. The preferred embodiment of the computer radiator fan is characterized in that: a switch is connected in series with the power pin of the computer radiator fan for switching on or off the power supply of the computer radiator fan. The invention has the advantages of avoiding the hot plugging of the computer radiator fan during the process of testing.

Description

technical field [0001] The invention relates to a cooling device for a computer system, in particular to a cooling fan for a computer system. Background technique [0002] During the testing process of the computer, sometimes it is necessary to detect some performance parameters of the computer when the computer is running and stop its heat dissipation. At this time, the plug of the cooling fan of the computer needs to be pulled out from the main board down, so that the cooling fan stops cooling the computer, and when needed, plug the plug of the cooling fan into the motherboard. Therefore, in the process of testing, it is necessary to plug and unplug the plug of the heat dissipation fan when the motherboard is charged, and hot plugging often causes excessive instantaneous current, thereby burning out the heat dissipation fan or the heat dissipation fan. other components on the motherboard. Contents of the invention [0003] In view of the above, it is necessary to provi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F1/26
Inventor 毛同燕潘炎坤
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD