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Fan combination

A fan and sensor technology, applied in the field of fan combination, can solve problems such as difficulty in fan speed

Inactive Publication Date: 2010-11-17
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

But at present, it is difficult to obtain the fan speed in real time.

Method used

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Experimental program
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Embodiment Construction

[0010] Please refer to Figure 1 to Figure 3 , the fan assembly 8 of the present invention can obtain the rotational speed of a fan 9 in real time, and its preferred embodiment includes a sensor 20 , a display device 40 and the fan 9 . The fan 9 includes a casing 10 and an impeller 30 rotatably installed in the casing 10 .

[0011] The casing 10 of the fan 9 includes an upper casing 102 , a lower casing 106 , and a circular vertical wall 104 connecting the upper casing 102 and the lower casing 106 . The same sides of the upper case 102 and the lower case 106 are respectively provided with fixing holes 112 for installing the display device 40, an air inlet 108 is provided on the upper surface of the upper case 102, and an air inlet 108 is provided on the lower surface of the lower case 106. One air outlet 110. The impeller 30 includes a circular hub 302 and a plurality of blades 304 disposed around the outer circumference of the hub 302 . When the impeller 30 rotates, the bl...

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PUM

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Abstract

The invention discloses a fan combination, comprising a sensor, a display device and a fan. The display device comprises a display screen, an amplifier and a single chip; the sensor is arranged on the shell and connected with the single chip by the amplifier; the single chip is further connected with the display screen; the sensor is used for sensing the rotating speed of the fan and transmitting a sensed rotating speed signal to the amplifier; the amplifier is used for receiving the rotating speed signal of the fan, which is sensed by the sensor, amplifying and shaping the rotating speed signal and then transmitting the rotating speed signal to the single chip; the single chip is used for calculating the rotating speed of the fan according to the amplified and shaped rotating speed signal transmitted by the amplifier, converting the rotating speed signal of the fan into the digital signal and transmitting the digital signal to the display screen to display. The fan combination of the invention can acquire the rotating speed of the fan in real time.

Description

technical field [0001] The invention relates to a fan combination. Background technique [0002] The heat-generating components of general electronic equipment will generate heat during operation. If the heat is not discharged in time, the heat will accumulate and eventually cause the electronic equipment to fail to operate or even be damaged. In the prior art, the heat generated by the heat-generating component is usually discharged by installing a fan on the heat-generating component. [0003] At present, the speed of the fan is mostly adjusted according to the temperature of the heat-generating component. Therefore, the speed of the fan is constantly changing with the temperature of the heat-generating component. When the R&D personnel conduct the noise test of the fan, they often need to obtain the speed of the fan in real time and then analyze the noise of the fan. Or other indicators for analysis and design. However, it is difficult to obtain the fan speed in real ti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D25/08H05K7/20G05B19/042
CPCF04D25/0613F04D27/004Y02B30/70
Inventor 刘磊
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD