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Multi-fan speed single-wire output system and method

a single-wire output and multi-fan technology, applied in the direction of pump control, non-positive displacement fluid engine, climate sustainability, etc., can solve the problems of increasing the heat production in the system, increasing the operation load of the end, and reducing the efficiency of the whole system

Active Publication Date: 2018-05-17
ASIA VITAL COMPONENTS SHENZHEN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This approach reduces system operation load and heat production by enabling efficient monitoring and control of fan operation status, improving system performance and reducing heat energy.

Problems solved by technology

Therefore, the system end has an increased operation load, which tends to cause delay in the operation of the whole system and increased heat production in the system.

Method used

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  • Multi-fan speed single-wire output system and method
  • Multi-fan speed single-wire output system and method
  • Multi-fan speed single-wire output system and method

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Embodiment Construction

[0019]The present invention will now be described with some preferred embodiments thereof and by referring to the accompanying drawings.

[0020]Please refer to FIG. 1 that is a block diagram of a multi-fan speed single-wire output system according to the present invention. As shown, the system includes a first fan 11 and a second fan 12, both of which are connected to a control end 13; and the second fan 12 is further connected to a rotation speed monitoring end 14. The control end 13 is connected to the first fan 11 and the second fan 12 via at least a power cord VCC, a ground line GND and a driving signal line PWM. Via the power cord VCC, the control end 13 supplies electric power to the first fan 11 and the second fan 12; and then, via the driving signal line PWM, the control end 13 drives the first fan 11 and the second fan 12 to rotate.

[0021]The first fan 11 has a first control element 111 and the second fan has a second control element 121; and the first control element 111 of t...

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Abstract

A multi-fan speed single-wire output system and a method thereof are disclosed. The system includes at least one first fan and one second fan, which have a first and a second rotation speed, respectively. The first fan transmits the first rotation speed to the second fan, and the second fan performs a logical operation on the first and the second rotation speed to generate an output rotation speed.

Description

FIELD OF THE INVENTION[0001]The present invention relates to the field of fans, and more particularly to a multi-fan speed single-wire output system and a method thereof.BACKGROUND OF THE INVENTION[0002]Cooling fans are widely used in electronic devices to effectively dissipate heat sources in the electronic devices into ambient air outside the electronic devices, so that the electronic devices can maintain normal operation. In a conventional multi-fan speed output structure, the rotation speeds of all the fans are exactly output to a system end and the system end performs a logical operation on these fan speeds. Therefore, the system end has an increased operation load, which tends to cause delay in the operation of the whole system and increased heat production in the system. It is therefore desirable to work out a way to reduce the system's operation load and accordingly reduce the heat energy produced in the system.SUMMARY OF THE INVENTION[0003]To effectively solve the above pro...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): F04D27/00
CPCF04D27/004F04D27/001F04D25/166H02P5/50Y02B30/70
Inventor ZHANG, HUTIAN, DONG-QILI, WEI-MING
Owner ASIA VITAL COMPONENTS SHENZHEN CO LTD