CN207382768U - The fan rotation speed control apparatus of power supply unit - Google Patents
The fan rotation speed control apparatus of power supply unit Download PDFInfo
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- CN207382768U CN207382768U CN201721082512.2U CN201721082512U CN207382768U CN 207382768 U CN207382768 U CN 207382768U CN 201721082512 U CN201721082512 U CN 201721082512U CN 207382768 U CN207382768 U CN 207382768U
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- temperature
- fan
- radiating mode
- power supply
- gear shift
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Abstract
The utility model provides a kind of fan rotation speed control apparatus of power supply unit, including：Temperature control module, switch, heat source detection unit and a power supply module, temperature control module is electrically connected respectively with heat source detection unit and power supply module, the operating ambient temperature and constant feedback of heat source detection unit detection power supply unit are to temperature control module, temperature control module includes the first radiating mode and the second radiating mode, temperature control module is electrically connected switch, switch to selectively start the first radiating mode and the second radiating mode it is therein any one, the operating ambient temperature that the one of which radiating mode and the detection of heat source detection unit that temperature control module foundation user selectes obtain, control action and the rotating speed of fan, service life with protection fan, the effect of reducing noise and vibrations.
Description
Technical field
The utility model is related to the rotation speed of the fan controls of a kind of fan rotation speed control apparatus, particularly a kind of power supply unit
Device.
Background technology
In order to prevent electronic device or equipment because fever and generation efficiency reduces or the problem of failure occurs, it is most of
Electronic device or equipment be equipped with radiator fan, the radiator fan of early stage is typically to be operated with maximum (top) speed, it is desirable to
The temperature that electronic device or equipment are reduced in the shortest time reaches maximum heat dissipation effect；It is carried by improving the rotating speed of fan
The radiating efficiency of whole thermal convection current is risen, accelerates the replacement of hot-air and cold air, is originally the natural practice, still, is continued
It is generated under the running at high speed for keeping fan, the problem of being the consume ahead of time, lasting energy consumption and noise of fan.
In order to solve the problem above-mentioned, according to electronic device or the radiation air of the rotating speed of the temperature adjust automatically fan of equipment
Fan revolution speed control device comes into being, and how on the one hand to provide enough radiating efficiencys, on the other hand can possess noise reduction and symbol again
Energy-saving and environment-friendly requirement is closed, is the main design goal of radiating fan rotation speed control device；As shown in Figure 1, a kind of known meter
The fan rotational frequency control method and its device for calculating electromechanical source supply mainly include：Control module 1, temperature detecting unit 2 and
Power supply module 3, wherein control module 1 are electrically connected respectively with temperature detecting unit 2 and power supply module 3, and control module 1 is direct
It is electrically connected with fan 4；Wherein control module 1 is according to default temperature-rotation speed of the fan controlling curve figure (see Fig. 2) control fan
4 action and rotating speed reach the first critical-temperature T1 but small when temperature detecting unit 2 detects that the temperature of power supply unit rises
When the second critical-temperature T2, the state of 4 remains stationary of fan is continuously detected power supply unit in temperature detecting unit 2
Temperature, which rises, reaches the second critical-temperature T2, and 1 driving fan 4 of control module rotates, and controls the rotating speed of fan 4 with temperature
The linear relationship for keeping straight line is risen or fallen, (is typically to be determined by manufacturer when temperature rises the default maximum of T max of arrival
It is fixed), fan 4 will be rotated with maximum (top) speed Umax；The temperature of power supply unit is opened in temperature because of the cooling effect of fan 4
Before beginning to decline but not reaching the second critical-temperature T2 also, the rotating speed of fan 4 still keeps the linear relationship of straight line with temperature, until
Temperature is less than the second critical-temperature T2, and the rotating speed of control fan 4, which drops to U1 and is maintained at the rotating speed, to be rotated further, until temperature is examined
The temperature for surveying the detection power supply unit of unit 2 drops to the first critical-temperature T1, and control module 1 directly stops fan 4.
Although foregoing control method for fan can improve the prior art fan continue with maximum (top) speed rotate energy consumption,
Consume and noise problem, but the control method of this rotation speed of the fan and its device only have single kind of control model, are filled in electronics
It puts power supply unit to be under different loads or different heat conditions, is not easy to meet required heat dissipation effect
Energy.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of fan rotation speed control apparatus of power supply unit.
In order to solve the technical issues of foregoing, the utility model proposes power supply unit fan rotation speed control apparatus
Embodiment, including：Temperature control module, switch, heat source detection unit and power supply module, temperature control module respectively with heat source detection unit
And power supply module is electrically connected, the operating ambient temperature and constant feedback of heat source detection unit detection power supply unit are to temperature control mould
Block, temperature control module include to control the action of fan and the first radiating mode of rotating speed and the second radiating mode, temperature control module
Be electrically connected switch, switch to selectively start the first radiating mode and the second radiating mode it is therein any one,
First radiating mode and the second radiating mode are to control the action of fan according to default temperature-rotation speed of the fan controlling curve and turn
Speed, wherein the temperature of both the first radiating mode and second radiating mode-rotation speed of the fan controlling curve is all bent comprising the first speed change
Line and the second gear shift curve, when operating ambient temperature is more than start-up temperature, temperature control module starts fan and according to the first speed change
The rotating speed of curve controlled fan, when the operating temperature reaches default maximum temperature and after more than maximum temperature, fan
Maximum (top) speed rotation is will be maintained at, when operating ambient temperature is decreased below start-up temperature but is greater than stopping temperature, temperature control
Rotating speed of the module according to the second gear shift curve control fan, when operating ambient temperature is decreased below stopping temperature, temperature control mould
Block stops the rotation of fan, and wherein start-up temperature, which is more than, stops temperature, and the first gear shift curve and the second gear shift curve are that one kind is opened
The upward curve of mouth, wherein the start-up temperature of the first radiating mode is less than the start-up temperature of the second radiating mode, the first radiating mould
The stopping temperature of formula is less than the stopping temperature of the second radiating mode.
Wherein to coordinate the fan rotation speed control apparatus method of the power supply unit of the utility model implementation, including：
A. the operating ambient temperature of power supply unit is detected；
B. start the first radiating mode and the second radiating mode it is therein any one；And
C. according to the detection operating ambient temperature obtained and the first radiating mode being activated and the second radiating mode wherein
One of, control action and the rotating speed of fan；
Wherein the first radiating mode and the second radiating mode are according to default temperature-rotation speed of the fan controlling curve control wind
The action of fan and rotating speed, wherein the temperature of both the first radiating mode and second radiating mode-rotation speed of the fan controlling curve all wraps
Containing the first gear shift curve and the second gear shift curve, start fan when operating ambient temperature is more than start-up temperature and according to first
Gear shift curve controls the rotating speed of fan, when operating ambient temperature is decreased below start-up temperature but is greater than stopping temperature, according to
According to the rotating speed of the second gear shift curve control fan, stop turning for fan when operating ambient temperature is decreased below and stops temperature
Dynamic, wherein start-up temperature, which is more than, stops temperature, and the first gear shift curve and the second gear shift curve are a kind of curves of opening upwards,
In the start-up temperature of the first radiating mode be less than the start-up temperature of the second radiating mode, the stopping temperature of the first radiating mode is less than
The stopping temperature of second radiating mode.
Wherein the first gear shift curve fan rotating speed and operating temperature be direct ratio relation, in the second gear shift curve
The rotating speed and operating temperature of fan are the relation of direct ratio.
Wherein operating temperature reach default maximum temperature when and more than maximum temperature after, fan will be maintained at maximum
Rotational speed.
Wherein rotating speed of the fan before stopping is not less than the minimum speed of fan.
The utility model provides two kinds of different radiating modes, can be according to the one of which radiating mode that user selectes
The operating ambient temperature obtained with the detection of heat source detection unit controls action and the rotating speed of fan, has the use of protection fan
Service life reduces the effect of noise and vibrations.
On the utility model is related to specific embodiment and it is other the advantages of and effect, will cooperation schema explanation such as
Under.
Description of the drawings
It in order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments described in application, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the fan rotational frequency control method of known computer power supply supply and its functional block diagram of device；
Fig. 2 is temperature-rotation speed of the fan control of the fan rotational frequency control method and its device of the computer power supply supply of Fig. 1
Koji-making line chart；
Fig. 3 is the functional block diagram of the embodiment of the fan rotation speed control apparatus of the utility model power supply unit；
Fig. 4 is the control method embodiment step stream for the fan rotation speed control apparatus for coordinating the utility model power supply unit
Cheng Tu；
Fig. 5 is temperature-rotation speed of the fan controlling curve figure of the fan rotation speed control apparatus of the utility model power supply unit.
Symbol description
10 temperature control module, 20 heat source detection unit
30 power supply module, 40 switch
50 the first radiating modes of fan M1
M2 the second radiating mode the first gear shift curves of M1A
M1B the second gear shift curve the first gear shift curves of M2A
The second gear shift curves of M2B T1 stops temperature
T2 start-up temperatures T3 stops temperature
T4 start-up temperature Tmax maximum temperatures
U1 starts rotating speed Ulow minimum speeds
Umax maximum (top) speeds
Specific embodiment
The direction described in embodiment below, including：On, under, left and right, if without specializing, all with schema
On the basis of the direction that middle component illustrates.
It is the function side of the embodiment of the fan rotation speed control apparatus of the utility model power supply unit referring initially to Fig. 3
Block diagram.
The utility model proposes power supply unit fan rotation speed control apparatus embodiment, including：Temperature control module 10,
Switch 40, heat source detection unit 20 and power supply module 30, temperature control module 10 respectively with heat source detection unit 20 and power supply module
30 are electrically connected, and heat source detection unit 20 detects the operating ambient temperature of power supply unit and constant feedback is to temperature control module 10,
Temperature control module 10 includes to control the action of fan 50 and the first radiating mode M1 of rotating speed and the second radiating mode M2, temperature control
Module 10 is electrically connected switch 40, and user can operate switch 40 according to demand and selectively start the first radiating mode
M1 and the second radiating mode M2 it is therein any one, the first radiating mode M1 and the second radiating mode M2 are according to default temperature
The action of degree-rotation speed of the fan controlling curve (see Fig. 5) control fan 50 and rotating speed.Therefore, temperature control module 10 will be according to heat source
The operating ambient temperature that the detection of detection unit 20 obtains, one of which radiating mode (the first radiating mould selected by user
Formula M1 or the second radiating mode M2) control fan 50 action (comprising rotating and stopping) and rotating speed.
A kind of embodiment of temperature control module 10 is fan drive circuit or module containing control program, such as by fan
Driving circuit and systemonchip (System on chip, SoC) combine, and embedding in the systemonchip
Enter to include the control program of the first radiating mode M1 and the second radiating mode M2.Wherein the embodiment of switch 40 can refer to
It is therein any to push pass, Multistage type converting switch and push type switching switch aside.
Refer to the control method embodiment that Fig. 4 is the fan rotation speed control apparatus for coordinating the utility model power supply unit
Step flow chart.The utility model proposes power supply unit fan rotational frequency control method embodiment, including following step
Suddenly：
A. the operating ambient temperature of power supply unit is detected；
B. start the first radiating mode M1 and the second radiating mode M2 it is therein any one；And
C. according to the detection operating ambient temperature obtained and the first radiating mode M1 and the second radiating mode M2 that are activated
One of wherein, the action of control fan 50 and rotating speed.
Wherein the first radiating mode M1 and the second radiating mode M2 is according to default temperature-rotation speed of the fan controlling curve control
The action of fan 50 processed and rotating speed, the embodiment of the temperature-rotation speed of the fan controlling curve is as shown in figure 5, wherein first dissipates
Temperature-rotation speed of the fan controlling curve of both heat pattern M1 and the second radiating mode M2 all becomes comprising the first gear shift curve and second
Fast curve；For the ease of distinguishing and illustrating, in Figure 5 the first gear shift curve of the first radiating mode M1 and the second gear shift curve with
Solid line illustrates, and the first gear shift curve and the second gear shift curve of the second radiating mode M2 are illustrated with dotted line, and M1A represents the first heat dissipation
The first gear shift curve of pattern M1, M1B represent the second gear shift curve of the first radiating mode M1, and T2 is the first radiating mode M1's
Start-up temperature, T1 are the stopping temperature of the first radiating mode M1, and wherein start-up temperature T2, which is more than, stops temperature T1；M2A represents the
The first gear shift curve of two radiating mode M2, M2B represent the second gear shift curve of the second radiating mode M2, and T4 is the second radiating mould
The start-up temperature of formula M2, T3 are the stopping temperature of the second radiating mode M2, and wherein start-up temperature T4, which is more than, stops temperature T3；Wherein
The tracing pattern of first radiating mode M1 and the second radiating mode M2 are identical, in other words, the tracing pattern of the second radiating mode M2
The translation (shift) of the first radiating mode M1 can be considered as.
Hereafter by taking the first radiating mode M1 as an example, illustrate fan 50 in the action of the first radiating mode M1 and rotating speed as after；
As shown in figure 5, temperature control module 10 starts fan 50 to start rotating speed U1 when operating ambient temperature is more than start-up temperature T2, and
According to the rotating speed of the first gear shift curve M1A control fans 50, wherein rotating speed and work in the fan 50 of the first gear shift curve M1A
Temperature is the relation of direct ratio, as the operating temperature default maximum temperature Tmax of arrival and after more than maximum temperature Tmax,
Fan 50 will be maintained at maximum (top) speed Umax rotation, wherein the first radiating mode M1 and the first radiating mode M2 have respectively it is default
Maximum temperature Tmax；When operating ambient temperature is decreased below start-up temperature T2 but is greater than stopping temperature T1, temperature control module
10 rotating speed according to the second gear shift curve M1B control fans 50, wherein the rotating speed and work of the fan 50 in the second gear shift curve M1B
Make the relation that temperature is direct ratio, when operating ambient temperature is decreased below stopping temperature T1, temperature control module 10 stops fan 50
Rotation, it is preferred that rotating speed of the fan 50 before stopping be not less than fan 50 minimum speed Ulow；Wherein the first radiating mode
The stopping temperature T1 of start-up temperature T4s, first radiating mode M1 of the start-up temperature T2 of M1 less than the second radiating mode M2 are less than the
The stopping temperature T3 of two radiating mode M2.
Although the utility model is disclosed as above by the above embodiments, so it is not limited to the utility model,
Those skilled in the art, without departing from the spirit and scope of the utility model, when can make a little change and retouch, therefore this
The scope of patent protection of utility model must be regarded subject to claims hereof institute defender.
Claims (4)
1. a kind of fan rotation speed control apparatus of power supply unit, which is characterized in that including：Temperature control module, switch, heat source inspection
Unit and power supply module are surveyed, which is electrically connected respectively with the heat source detection unit and the power supply module, heat source inspection
It surveys the operating ambient temperature of unit detection power supply unit and constant feedback is to the temperature control module, which includes to control
The action of fan processed and the first radiating mode of rotating speed and the second radiating mode, the temperature control module are electrically connected the switch, should
Switch to selectively start first radiating mode and second radiating mode it is therein any one, first radiating mould
Formula and second radiating mode are action and the rotating speed that the fan is controlled according to default temperature-rotation speed of the fan controlling curve,
In both first radiating mode and second radiating mode the temperature-rotation speed of the fan controlling curve it is all bent comprising the first speed change
Line and the second gear shift curve, when the operating ambient temperature is more than start-up temperature, the temperature control module starts the fan and according to this
First gear shift curve controls the rotating speed of the fan, when the operating temperature reaches default maximum temperature and more than the highest temperature
After degree, which will be maintained at maximum (top) speed rotation, is decreased below the start-up temperature in operating ambient temperature but is greater than
When stopping temperature, which controls the rotating speed of the fan according to second gear shift curve, is dropped in operating ambient temperature
During less than the stopping temperature, which stops the rotation of the fan, and wherein the start-up temperature is more than the stopping temperature, this
One gear shift curve and second gear shift curve are the start-up temperatures of a kind of curve of opening upwards, wherein first radiating mode
Less than the start-up temperature of second radiating mode, the stopping temperature of first radiating mode is less than second radiating mode
The stopping temperature.
2. the fan rotation speed control apparatus of power supply unit as described in claim 1, which is characterized in that in first gear shift curve
The fan rotating speed and operating temperature be direct ratio relation, in the rotating speed and operating temperature of the fan of second gear shift curve
For the relation of direct ratio.
3. the fan rotation speed control apparatus of power supply unit as described in claim 1, which is characterized in that the switch can refer to
It is therein any to push pass, Multistage type converting switch and push type switching switch aside.
4. the fan rotation speed control apparatus of power supply unit as described in claim 1, which is characterized in that the fan is before stopping
Rotating speed is not less than the minimum speed of the fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721082512.2U CN207382768U (en) | 2017-08-28 | 2017-08-28 | The fan rotation speed control apparatus of power supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721082512.2U CN207382768U (en) | 2017-08-28 | 2017-08-28 | The fan rotation speed control apparatus of power supply unit |
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| Publication Number | Publication Date |
|---|---|
| CN207382768U true CN207382768U (en) | 2018-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721082512.2U Active CN207382768U (en) | 2017-08-28 | 2017-08-28 | The fan rotation speed control apparatus of power supply unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109429469A (en) * | 2017-08-28 | 2019-03-05 | 振华电脑有限公司 | The fan rotation speed control apparatus and control method of power supply unit |
| US11564330B2 (en) | 2020-05-13 | 2023-01-24 | Sea Sonic Electronics Co., Ltd. | Fan control circuit |
-
2017
- 2017-08-28 CN CN201721082512.2U patent/CN207382768U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109429469A (en) * | 2017-08-28 | 2019-03-05 | 振华电脑有限公司 | The fan rotation speed control apparatus and control method of power supply unit |
| CN109429469B (en) * | 2017-08-28 | 2020-10-09 | 振华电脑有限公司 | Fan rotating speed control device and control method of power supply |
| US11564330B2 (en) | 2020-05-13 | 2023-01-24 | Sea Sonic Electronics Co., Ltd. | Fan control circuit |
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