CN114412818A - Wide-range adjusting device of ultra-high-speed cooling fan - Google Patents

Wide-range adjusting device of ultra-high-speed cooling fan Download PDF

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Publication number
CN114412818A
CN114412818A CN202111682869.5A CN202111682869A CN114412818A CN 114412818 A CN114412818 A CN 114412818A CN 202111682869 A CN202111682869 A CN 202111682869A CN 114412818 A CN114412818 A CN 114412818A
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CN
China
Prior art keywords
main control
control module
fan
noise reduction
module
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Pending
Application number
CN202111682869.5A
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Chinese (zh)
Inventor
杜辉
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Chengdu Anzeyou Technology Co ltd
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Chengdu Anzeyou Technology Co ltd
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Priority to CN202111682869.5A priority Critical patent/CN114412818A/en
Publication of CN114412818A publication Critical patent/CN114412818A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/004Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/008Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/66Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663Sound attenuation
    • F04D29/665Sound attenuation by means of resonance chambers or interference

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention discloses a wide-range adjusting device of an ultra-high-speed radiating fan, which relates to the technical field of radiating fan control and solves the problems of high noise and high power consumption of the existing radiating fan, and comprises the following steps: the temperature sensor is used for detecting the heating temperature of the heating equipment and sending the heating temperature to the main control module; the fan power supply adjusts the working voltage according to the instruction of the main control module and is used for supplying power to the cooling fan; the noise reduction module is used for sending noise reduction sound waves with the same amplitude and opposite phases according to the working noise of the cooling fan under the control of the main control module; the main control module is used for controlling the noise reduction module to output noise reduction sound waves and controlling the output voltage of the fan power supply; when the heating temperature is higher than a first threshold value, the main control module controls the output voltage of the fan power supply to enable the cooling fan to run at half load, and when the heating temperature is higher than a second threshold value, the main control module controls the output voltage of the fan power supply to enable the cooling fan to run at full load; the invention has the advantages of low power consumption and low noise.

Description

Wide-range adjusting device of ultra-high-speed cooling fan
Technical Field
The invention relates to the technical field of cooling fan control, in particular to the technical field of a wide-range speed regulating device of an ultra-high-speed cooling fan.
Background
With the development of the technology, more and more electronic devices are put into use, the problem of heat generation of the electronic devices is not negligible, and heat dissipation is generally achieved through a heat dissipation fan, for example, the heat dissipation fan is installed inside a computer or other devices.
For electronic equipment, some components in the machine generate a great amount of heat, and even a high-power cooling fan with ultrahigh rotating speed is needed, and the fan has the characteristics of small volume and high rotating speed, but the fan has the defects of extremely high noise and high power, and causes troubles to users in many offices.
Disclosure of Invention
The invention aims to: the problem of current radiator fan noise big and the consumption is high is solved. In order to solve the above technical problems, the present invention provides a wide-range adjustment device for an ultra-high speed heat dissipation fan.
The invention specifically adopts the following technical scheme for realizing the purpose:
a wide-range adjusting device of an ultra-high-speed radiating fan is used for cooling heating equipment and comprises a main control module, a temperature sensor, a fan power supply and a noise reduction module;
the temperature sensor is connected to the main control module and used for detecting the heating temperature of the heating equipment and sending the heating temperature to the main control module;
the fan power supply is connected to the main control module, adjusts the working voltage according to the instruction of the main control module and is used for supplying power to the cooling fan;
the noise reduction module is connected to the main control module and used for sending noise reduction sound waves with the same amplitude and opposite phases according to the working noise of the cooling fan under the control of the main control module;
the main control module is used for controlling the noise reduction module to output noise reduction sound waves and controlling the output voltage of the fan power supply; presetting a first threshold value and a second threshold value, wherein the second threshold value is larger than the first threshold value; when the heating temperature is higher than the first threshold value and not higher than the second threshold value, the main control module controls the output voltage of the fan power supply to enable the cooling fan to run at half load, and when the heating temperature is higher than the second threshold value, the main control module controls the output voltage of the fan power supply to enable the cooling fan to run at full load.
Preferably, the noise reduction module comprises a noise detection module and a noise reduction sound wave generation module;
the noise detection module is used for detecting the amplitude and the phase of working noise of the cooling fan and transmitting the amplitude and the phase to the main control module;
the noise reduction sound wave generation module sends out noise reduction sound waves which have the same amplitude and opposite phase with the working noise of the cooling fan under the control of the main control module.
Preferably, the method for controlling the output voltage of the fan power supply by the main control module is to control a voltage duty ratio.
Preferably, the first threshold is 30 degrees celsius and the second threshold is 45 degrees celsius.
Preferably, the heating device further comprises an alarm module connected to the main control module, the main control module controls the alarm module to alarm when the heating temperature exceeds a preset high-temperature threshold, and the high-temperature threshold is greater than the second threshold.
Preferably, the high temperature threshold is 70 degrees celsius.
Preferably, the model of the main control module is stm32h 743.
The invention has the following beneficial effects:
the power consumption can be reduced by reducing the rotating speed when full load cooling is not needed by controlling the output of the fan power supply; the noise of the cooling fan can be reduced through the noise reduction module; the first threshold value is set to be 30 degrees, and the second threshold value is set to be 45 degrees, so that the heat dissipation requirement can be met, and meanwhile, the energy consumption can be saved more; and an alarm module is arranged, so that the high-temperature abnormal condition can be early warned in time.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic of a noise reducing acoustic wave of the noise reduction module.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1, the present embodiment provides a wide-range adjusting device for an ultra-high speed cooling fan, where the cooling fan is used for cooling a heating device, and includes a main control module, a temperature sensor, a fan power supply, and a noise reduction module; the model of the main control module can adopt stm32h 743;
the temperature sensor is connected to the main control module and used for detecting the heating temperature of the heating equipment and sending the heating temperature to the main control module;
the fan power supply is connected to the main control module, adjusts the working voltage according to the instruction of the main control module and is used for supplying power to the cooling fan;
the noise reduction module is connected to the main control module and used for sending noise reduction sound waves with the same amplitude and opposite phases according to the working noise of the cooling fan under the control of the main control module;
the main control module is used for controlling the noise reduction module to output noise reduction sound waves and controlling the output voltage of the fan power supply; presetting a first threshold value and a second threshold value, wherein the second threshold value is larger than the first threshold value; when the heating temperature is higher than the first threshold value and not higher than the second threshold value, the main control module controls the output voltage of the fan power supply to enable the cooling fan to run at half load, and when the heating temperature is higher than the second threshold value, the main control module controls the output voltage of the fan power supply to enable the cooling fan to run at full load.
As a preferable scheme of this embodiment, the noise reduction module includes a noise detection module and a noise reduction sound wave generation module; the noise detection module is used for detecting the amplitude and the phase of working noise of the cooling fan and transmitting the amplitude and the phase to the main control module; the noise reduction sound wave generation module sends out noise reduction sound waves which have the same amplitude and opposite phase with the working noise of the cooling fan under the control of the main control module.
In addition, the method for controlling the output voltage of the fan power supply by the main control module can be controlling the voltage duty ratio; the first threshold is preferably set to 30 degrees celsius and the second threshold is preferably set to 45 degrees celsius.
In addition, the embodiment further includes an alarm module, connected to the main control module, wherein the main control module controls the alarm module to alarm when the heating temperature exceeds a preset high temperature threshold, and the high temperature threshold is greater than the second threshold; the high temperature threshold is preferably 70 degrees celsius.
The working principle of the embodiment is as follows:
main control module, temperature sensor, fan power supply and noise reduction module
The temperature sensor detects the heating temperature of the heating equipment and sends the heating temperature to the main control module, the main control module judges according to the heating temperature, and when the heating temperature is not higher than 30 ℃, the main control module does not do corresponding judgment; when the heating temperature is higher than 30 ℃ and not higher than 45 ℃, the main control module controls the voltage duty ratio of the fan power supply to enable the cooling fan to work in a half-load state, so that power consumption can be saved when the cooling requirement is not too large; when the heating temperature is higher than 45 ℃, the main control module controls the voltage duty ratio of the fan power supply to enable the cooling fan to fully work in a load state, so that the cooling effect is enhanced; when the heating temperature is higher than 70 ℃, the alarm module gives an alarm due to overhigh temperature.
In addition, the main control module also needs to control the operation of the noise reduction module, the noise detection module detects the amplitude and phase of the working noise of the cooling fan, then the detection result is sent to the main control module, and the main control module controls the noise reduction sound wave generation module to send noise reduction sound waves according to the received result, referring to fig. 2, the amplitude of the noise reduction sound waves is the same as the amplitude of the working noise, the phase is opposite to the phase, and the noise reduction sound waves and the working noise are superposed to realize noise reduction.

Claims (7)

1. A wide-range adjusting device of an ultra-high-speed radiating fan is characterized by comprising a main control module, a temperature sensor, a fan power supply and a noise reduction module, wherein the main control module is used for cooling a heating device;
the temperature sensor is connected to the main control module and used for detecting the heating temperature of the heating equipment and sending the heating temperature to the main control module;
the fan power supply is connected to the main control module, adjusts the working voltage according to the instruction of the main control module and is used for supplying power to the cooling fan;
the noise reduction module is connected to the main control module and used for sending noise reduction sound waves with the same amplitude and opposite phases according to the working noise of the cooling fan under the control of the main control module;
the main control module is used for controlling the noise reduction module to output noise reduction sound waves and controlling the output voltage of the fan power supply; presetting a first threshold value and a second threshold value, wherein the second threshold value is larger than the first threshold value; when the heating temperature is higher than the first threshold value and not higher than the second threshold value, the main control module controls the output voltage of the fan power supply to enable the cooling fan to run at half load, and when the heating temperature is higher than the second threshold value, the main control module controls the output voltage of the fan power supply to enable the cooling fan to run at full load.
2. The wide-range adjusting apparatus of an ultra high speed heat dissipating fan as claimed in claim 1, wherein the noise reduction module comprises a noise detection module and a noise reduction sound wave generation module;
the noise detection module is used for detecting the amplitude and the phase of working noise of the cooling fan and transmitting the amplitude and the phase to the main control module;
the noise reduction sound wave generation module sends out noise reduction sound waves which have the same amplitude and opposite phase with the working noise of the cooling fan under the control of the main control module.
3. The apparatus as claimed in claim 1, wherein the method for controlling the output voltage of the fan power supply by the main control module is to control a voltage duty ratio.
4. The high-speed cooling fan high-range adjustment device of claim 1, wherein the first threshold is 30 degrees celsius and the second threshold is 45 degrees celsius.
5. The apparatus as claimed in claim 1, further comprising an alarm module connected to the main control module, wherein the main control module controls the alarm module to alarm when the heating temperature exceeds a predetermined high temperature threshold, and the high temperature threshold is greater than the second threshold.
6. The high-speed cooling fan high-range adjustment device of claim 5, wherein the high-temperature threshold is 70 ℃.
7. The wide-range adjusting apparatus of an ultra-high speed heat dissipating fan as claimed in claim 1, wherein the model of the main control module is stm32h 743.
CN202111682869.5A 2021-12-31 2021-12-31 Wide-range adjusting device of ultra-high-speed cooling fan Pending CN114412818A (en)

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CN202111682869.5A CN114412818A (en) 2021-12-31 2021-12-31 Wide-range adjusting device of ultra-high-speed cooling fan

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Application Number Priority Date Filing Date Title
CN202111682869.5A CN114412818A (en) 2021-12-31 2021-12-31 Wide-range adjusting device of ultra-high-speed cooling fan

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116096047A (en) * 2023-01-18 2023-05-09 广州通则康威智能科技有限公司 Intelligent heat dissipation method, device and system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2729801Y (en) * 2004-10-11 2005-09-28 上海爱瑞科技发展有限公司 Monitor for fan of industrial field computer
CN101714014A (en) * 2008-10-08 2010-05-26 英业达股份有限公司 Computer system and method for reducing computer system noise
CN102954045A (en) * 2012-10-31 2013-03-06 浪潮集团有限公司 Method for reducing noise of server fan by adopting active method
CN203516159U (en) * 2013-09-17 2014-04-02 Tcl通力电子(惠州)有限公司 Radiating fan control circuit and electronic equipment
CN207833441U (en) * 2017-08-29 2018-09-07 深圳市柔宇科技有限公司 A kind of control terminal for wearing display equipment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2729801Y (en) * 2004-10-11 2005-09-28 上海爱瑞科技发展有限公司 Monitor for fan of industrial field computer
CN101714014A (en) * 2008-10-08 2010-05-26 英业达股份有限公司 Computer system and method for reducing computer system noise
CN102954045A (en) * 2012-10-31 2013-03-06 浪潮集团有限公司 Method for reducing noise of server fan by adopting active method
CN203516159U (en) * 2013-09-17 2014-04-02 Tcl通力电子(惠州)有限公司 Radiating fan control circuit and electronic equipment
CN207833441U (en) * 2017-08-29 2018-09-07 深圳市柔宇科技有限公司 A kind of control terminal for wearing display equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116096047A (en) * 2023-01-18 2023-05-09 广州通则康威智能科技有限公司 Intelligent heat dissipation method, device and system
CN116096047B (en) * 2023-01-18 2024-01-30 广州通则康威科技股份有限公司 Intelligent heat dissipation method, device and system

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Application publication date: 20220429