CN108799174B - The fan rotational frequency control method and its device of computer power supply power supply unit - Google Patents
The fan rotational frequency control method and its device of computer power supply power supply unit Download PDFInfo
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- CN108799174B CN108799174B CN201710300100.XA CN201710300100A CN108799174B CN 108799174 B CN108799174 B CN 108799174B CN 201710300100 A CN201710300100 A CN 201710300100A CN 108799174 B CN108799174 B CN 108799174B
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- power supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/006—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by influencing fluid temperatures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/30—Control parameters, e.g. input parameters
- F05D2270/303—Temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The present invention provides the fan rotational frequency control method and its device of a kind of computer power supply power supply unit, it include: a temperature control module, one heat source detection unit and a power supply module, temperature control module is electrically connected with heat source detection unit and power supply module respectively, using the operating temperature and constant feedback of heat source detection unit detection power supply unit to temperature control module, when operating temperature rises to a preset start-up temperature, temperature control module is by the inclusion of a pre- antipyretic stage, the energy-saving radiating mode in one linear heat dissipation stage and first-class prompt drop thermophase, control movement and the revolving speed of fan, stop fan when operating temperature drops to preset stopping temperature.
Description
Technical field
The present invention relates to a kind of fan rotational frequency control method and its device, especially a kind of wind of computer power supply power supply unit
Fan method for controlling number of revolution and its device.
Background technique
In order to prevent electronic device or equipment because fever and the problem of generation efficiency reduces or failure, occurs, it is most of
Electronic device or equipment be equipped with radiator fan, the radiator fan of early stage is usually to be operated with maximum (top) speed, it is desirable to
Electronic device is reduced in the shortest time or the temperature of equipment reaches maximum heat dissipation effect；It is mentioned by improving the revolving speed of fan
The radiating efficiency for rising whole thermal convection, accelerates the replacement of hot cold air, is originally the natural practice, however, persistently keeping wind
It is generated under the running at high speed of fan, it is the consume ahead of time, lasting energy consumption and noise problem of fan.
In order to solve the problem above-mentioned, according to electronic device or the radiation air of the revolving 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 have noise reduction and symbol again
Energy-saving and environment-friendly requirement is closed, then is the main design goal of radiating fan rotation speed control device；As shown in Figure 1, known to one kind
The fan rotation speed control apparatus of computer power supply power supply unit specifically includes that a control module 1, a temperature detecting unit 2 and one supply
Electric module 3, wherein control module 1 is electrically connected with temperature detecting unit 2 and power supply module 3 respectively, control module 1 directly and
One fan 4 is electrically connected；Shown in the temperature-rotation speed of the fan controlling curve figure for cooperating Fig. 2, calculated when temperature detecting unit 2 detects
The temperature of electromechanical source power supply unit, which rises, reaches the first critical-temperature T1 but when less than the second critical-temperature T2, and fan 4 is still to maintain
Static state rises in the temperature that temperature detecting unit 2 persistently detects computer power supply power supply unit and reaches the second critical-temperature
T2, control module 1 opens power supply module 3 and directly initiates fan 4, and rises according to the temperature of computer power supply power supply unit, makes its wind
As the temperature rises or decline keeps linear relationship (implying that rotation speed of the fan and temperature and direct ratio lifting), Zhi Daowen for the revolving speed of fan 4
Degree, which rises, reaches maximum of T max (usually being determined by manufacturer), and fan will be rotated with maximum (top) speed Umax；In temperature because of fan 4
Heat spreading function and before beginning to decline the temperature of computer power supply power supply unit but not reaching the second critical-temperature T2 also, fan
4 revolving speed still keeps linear relationship with temperature, and when temperature is lower than the second critical-temperature T2, the revolving speed of fan 4 is dropped to
Ulrpm is simultaneously maintained at the revolving speed and continues to rotate, until temperature that temperature detecting unit 2 detects computer power supply power supply unit drops to the
One critical-temperature T1, control module 1 directly close fan 4.
Although control method for fan above-mentioned can improve original prior art fan and continue the energy consumption of maximum (top) speed, consume
And noise problem, but the control method of this rotation speed of the fan only has single kind of control model, in electronic device or computer
Power supply unit is in different loads or is different under heat condition, is not easy to meet required heat dissipation.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of fan rotational frequency control method of computer power supply power supply unit and
Its device.
In order to solve aforementioned technical problem, the fan rotational frequency control method of computer power supply power supply unit proposed by the present invention
The first embodiment, be operating temperature and constant feedback using heat source detection unit detection power supply unit to a temperature control
Module, movement and revolving speed of the temperature control module according to operating temperature control fan rise to preset starting temperature in operating temperature
When spending, temperature control module is started running with the starting revolving speed starting fan for being higher than minimum speed, subsequently enters a pre- antipyretic stage,
The pre- antipyretic stage is that rotation speed of the fan is linearly first minimized to revolving speed within preset one section of first time to tie up again with minimum speed
One section second time is held, subsequently into a linear heat dissipation stage, the linear heat dissipation stage is to rise to be higher than pre- solution in operating temperature
After the outlet temperature in hot stage, the revolving speed for controlling fan keeps the variation of linear relationship as operating temperature rises or falls,
After operating temperature rises and reaches a preset maximum temperature and be higher than maximum temperature, fan still maintains maximum (top) speed to continue
It radiates, first-class prompt drop thermophase is entered when being brought down below the outlet temperature in pre- antipyretic stage at the working temperature, in constant speed
Temperature-fall period is that the revolving speed of control fan maintains minimum speed and continuous running, is stopped until operating temperature drops to preset one
Only stop fan when temperature.
The first embodiment of the fan rotation speed control apparatus of computer power supply power supply unit proposed by the present invention, comprising: one
Temperature control module, a heat source detection unit and a power supply module, temperature control module are electrical with heat source detection unit and power supply module respectively
Connection, heat source detection unit to detect power supply unit operating temperature and constant feedback to temperature control module, in operating temperature
When rising to a preset start-up temperature, temperature control module is by the inclusion of a pre- antipyretic stage, a linear heat dissipation stage and a constant speed
The energy-saving radiating mode of temperature-fall period controls movement and the revolving speed of fan, stops temperature until operating temperature drops to preset one
Stop fan when spending.
The fan rotational frequency control method of computer power supply power supply unit proposed by the present invention and its second of embodiment of device,
Comprising more than one selectable radiating control modes, rotation speed of the fan-temperature work of each of them radiating control mode is bent
Line is identical or consistent, and difference is in rotation speed of the fan-temperature working curve of each radiating control mode to determine fan
The start-up temperature of starting, with the stopping temperature difference for determining that fan stops；It include extremely in a kind of better embodiment of the invention
Few two kinds of selectable radiating control modes, these radiating control modes can provide the different function such as standard and energy conservation respectively
Effect.
Second of embodiment of the fan rotational frequency control method of computer power supply power supply unit proposed by the present invention, comprising:
A. the operating temperature of heat source detection unit detection computer power supply power supply unit is utilized；
B. one of radiating control mode is selected in a standard radiating mode and at least an energy-saving radiating mode；And
C. according to detected operating temperature and the radiating control mode being activated, fan is controlled by a temperature control module
Movement execute heat dissipation work.
Its Plays radiating mode is to be made when computer power supply power supply unit is started to work with first voltage starting fan
Fan starts running in the starting revolving speed for being higher than minimum speed, subsequently enters a pre- antipyretic stage, the pre- antipyretic stage is pre-
If one section of first time in rotation speed of the fan is first linearly minimized to revolving speed again with minimum speed maintain one section second time, so
Enter a linear heat dissipation stage afterwards, the linear heat dissipation stage be operating temperature rise to higher than the pre- antipyretic stage outlet temperature it
Afterwards, the revolving speed for controlling fan keeps the variation of linear relationship as operating temperature rises or falls, and rises in operating temperature and reaches
A preset maximum temperature and be higher than maximum temperature after, fan still maintains maximum (top) speed persistently to radiate, work temperature
Degree enters first-class prompt drop thermophase when being decreased below the outlet temperature in pre- antipyretic stage, is control fan in constant speed temperature-fall period
Revolving speed maintain minimum speed and continuous running, stop fan when operating temperature drops to preset stopping temperature.
Wherein energy-saving radiating mode is to rise to a preset start-up temperature in the operating temperature of computer power supply power supply unit
Shi Yiyi first voltage starting fan makes fan start running in the starting revolving speed for being higher than minimum speed, subsequently enters a pre- solution
Hot stage, pre- antipyretic stage include a decelerating phase and a constant speed stage, and wherein the decelerating phase is at preset one section first
Between from starting revolving speed linear reduction to minimum speed after enter the constant speed stage, the constant speed stage is pre- with minimum speed continuous running
If one section second time, carried out in the pre- antipyretic stage comprising decelerating phase and constant speed stage it is pre- antipyretic, in operating temperature
The outlet temperature for being elevated above the pre- antipyretic stage enters a linear heat dissipation stage later, in the revolving speed of the linearly fan in heat dissipation stage
As operating temperature rises or falls the variation of holding linear relationship, rises in operating temperature and reaches a preset maximum temperature,
The revolving speed of fan also reaches maximum (top) speed, and after operating temperature is higher than maximum temperature, the revolving speed of fan is still maintained at maximum turn
Speed persistently radiates, and is brought down below the outlet temperature in pre- antipyretic stage at the working temperature, the revolving speed of fan maintains minimum
Revolving speed and continuous running, stop fan when operating temperature drops to a stopping temperature.
On the one hand, a kind of implementation of the fan rotational frequency control method of the computer power supply power supply unit of proposition of the invention
Example, comprising: standard radiating mode, one first energy saving radiating mode and the one second energy-saving radiating mode；Wherein first segment
Energy radiating mode and rotation speed of the fan-temperature working curve of the second energy-saving radiating mode are identical or consistent, and difference is first segment
It can be in rotation speed of the fan-temperature working curve of radiating mode and the second energy-saving radiating mode to determine the starting temperature of starting fan
Degree, with the stopping temperature difference for determining that fan stops.
Second of embodiment of the fan rotation speed control apparatus of computer power supply power supply unit proposed by the present invention, comprising: one
Temperature control module, a heat source detection unit and a power supply module, temperature control module are electrical with heat source detection unit and power supply module respectively
Connection, heat source detection unit to detect power supply unit operating temperature and constant feedback to temperature control module, temperature control module tool
There is at least two kinds of radiating control mode, temperature control module is electrically connected a switch block to be selectively enabled any one of them
Radiating control mode, temperature control module are dynamic according to detected operating temperature and the radiating control scheme control fan that is activated
Make and revolving speed executes heat dissipation work, the radiating control mode includes a standard radiating mode and an at least energy-saving radiating mode.
On the one hand, second of implementation of the fan rotation speed control apparatus of computer power supply power supply unit proposed by the present invention
Example, radiating mode therein include: a standard radiating mode, one first energy saving radiating mode and one second energy-saving radiating mode；
Wherein the first energy saving radiating mode and rotation speed of the fan-temperature working curve of the second energy-saving radiating mode are identical or consistent, difference
It is in the first energy saving radiating mode and rotation speed of the fan-temperature working curve of the second energy-saving radiating mode to determine that fan opens
Dynamic start-up temperature, with the stopping temperature difference for determining that fan stops.
It is wherein to be operated with a second voltage driving fan in minimum speed, the first voltage is 5.0 volts (V), the
Two voltages are 3.5 volts (V).
The stopping temperature of its Plays radiating mode is 25 DEG C~30 DEG C, and maximum temperature is 65 DEG C~75 DEG C.
Wherein the start-up temperature of the second energy-saving radiating mode is higher than the start-up temperature of the first energy saving radiating mode, the second energy conservation
The stopping temperature of radiating mode is higher than the stopping temperature of the first energy saving radiating mode, and the stopping temperature of the second energy-saving radiating mode is situated between
Between the start-up temperature and stopping temperature of the first energy saving radiating mode.
Wherein the start-up temperature of the second energy-saving radiating mode is 55 DEG C~65 DEG C, the stopping temperature of the second energy-saving radiating mode
It is 40 DEG C~50 DEG C.
Wherein preset one section of first time in decelerating phase is 15~25 seconds.Wherein preset one section of constant speed stage
Two times were 1~10 second.
Wherein switch block includes that thumb-acting switch, Multistage type converting switch and push type switching switch are therein any.
The detailed content of other effects and embodiment for the present invention, cooperation schema are described as follows.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded 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 functional block diagram of the fan rotation speed control apparatus of known computer power supply power supply unit；
Fig. 2 is temperature-rotation speed of the fan controlling curve of the fan rotation speed control apparatus of the computer power supply power supply unit of Fig. 1
Figure；
Fig. 3 is the step process of the first embodiment of the fan rotational frequency control method of computer power supply power supply unit of the present invention
Figure；
Fig. 4 is the function block of the first embodiment of the fan rotation speed control apparatus of computer power supply power supply unit of the present invention
Figure；
Fig. 5 is temperature-wind of the first embodiment of the fan rotational frequency control method of computer power supply power supply unit of the present invention
Fan revolving speed controlling curve figure；
Fig. 6 is the step process of second of embodiment of the fan rotational frequency control method of computer power supply power supply unit of the present invention
Figure；
Fig. 7 is the function block of second of embodiment of the fan rotation speed control apparatus of computer power supply power supply unit of the present invention
Figure；
Fig. 8 is temperature-wind of second of embodiment of the fan rotational frequency control method of computer power supply power supply unit of the present invention
Fan revolving speed controlling curve figure；
Fig. 9 is the fan rotational frequency control method of computer power supply power supply unit of the present invention and its second of embodiment of device
The action flow chart of various radiating control modes；
Figure 10 is temperature-wind of the third embodiment of the fan rotational frequency control method of computer power supply power supply unit of the present invention
Fan revolving speed controlling curve figure.
Symbol description
10 temperature control module, 20 heat source detection unit
30 power supply module, 40 fan
41 fan control unit P1, P4 pre- antipyretic stage
P2, P5 linearly radiate stage P3, P6 constant speed temperature-fall period
The P1-1 constant speed stage in decelerating phase P1-2
T0 initial temperature T1, T3, T5 start-up temperature
T2, T4, T6 stop temperature
The outlet temperature in Tend1, Tend2 pre- antipyretic stage
Tmax maximum temperature U starts revolving speed
Ulow minimum speed Umax maximum (top) speed
V1 first voltage V2 second voltage
Specific embodiment
It is the first of the fan rotational frequency control method of computer power supply power supply unit of the present invention referring initially to Fig. 3 and Fig. 5
The step flow chart and temperature of embodiment-rotation speed of the fan controlling curve figure；The fan of computer power supply power supply unit of the present invention turns
The step of the first embodiment of speed control method includes:
A. the operating temperature of power supply unit is detected；
B. when the operating temperature of detection power supply unit rises to a preset start-up temperature (T1), to be higher than minimum speed
(Ulow) starting revolving speed (U) starting fan 40 starts running；
C. enter a pre- antipyretic stage (P1), be first linearly down to the revolving speed of fan 40 within preset one section of first time
Minimum speed (Ulow), then one section second time is maintained with minimum speed (Ulow), it is purpose to reach energy saving；Preferably
Ground, wherein being at the first time 15~25 seconds, wherein the second time was 1~10 second；
D. enter linear heat dissipation stage (P2), persistently detect the operating temperature of power supply unit, rise in operating temperature
To after being higher than the outlet temperature (Tend) in pre- antipyretic stage, the revolving speed of fan 40 is controlled as operating temperature rises or falls guarantor
The variation for holding linear relationship, rises in operating temperature and reaches a preset maximum temperature (Tmax), and the revolving speed of fan 40 also reaches
Maximum (top) speed (Umax)；
E. the operating temperature for persistently detecting power supply unit, rises in operating temperature and reaches a preset maximum temperature
(Tmax) and it is higher than after maximum temperature (Tmax), fan 40 still maintains maximum (top) speed (Umax) persistently to radiate；
F. the operating temperature for persistently detecting power supply unit, is brought down below the terminal temperature in pre- antipyretic stage at the working temperature
Enter first-class prompt drop thermophase (P3) when spending (Tend), is maintained most in the revolving speed that constant speed temperature-fall period (P3) is control fan 40
The slow-speed of revolution (Ulow) and continuous running；And
G. the operating temperature for persistently detecting power supply unit, when being down to preset stopping temperature (T2) at the working temperature
Stop fan 40；Preferably, wherein stopping temperature is 25 DEG C~50 DEG C, maximum temperature (Tmax) is 65 DEG C~75 DEG C, starting temperature
(T1) is spent between stopping temperature (T2) and maximum temperature (Tmax).
Referring to Fig. 4, being the first embodiment of the fan rotation speed control apparatus of computer power supply power supply unit of the present invention
Functional block diagram.Movement and revolving speed to the fan rotational frequency control method control fan according to Fig. 3.Computer power supply of the present invention
The first embodiment construction of the fan rotation speed control apparatus of power supply unit includes: a temperature control module 10, a heat source detection unit 20
With a power supply module 30.Temperature control module 10 is electrically connected with heat source detection unit 20 and power supply module 30 respectively, and heat source detection is single
Operating temperature and constant feedback of the member 20 to detect power supply unit rise to preset to temperature control module 10 in operating temperature
When one start-up temperature (T1), temperature control module 10 is by the inclusion of pre- antipyretic stage (P1) above-mentioned, linear heat dissipation stage (P2) and waits
The energy-saving radiating mode of prompt drop thermophase (P3), control a fan 40 movement and revolving speed, until operating temperature drop to it is default
One stopping temperature (T2) when stop fan；Preferably, stopping temperature (T2) is less than start-up temperature (T1).
Wherein temperature control module 10 is electrically connected with heat source detection unit 20 and power supply module 30 respectively, heat source detection unit 20
To detect power supply unit operating temperature and constant feedback to temperature control module 10, heat source detection unit 20 can be a kind of heat
Quick resistance；Temperature control module 10 is the movement for controlling fan 40, it is however generally that, fan 40 is by a kind of fan control unit 41
Driving operating, temperature control module 10 and fan control unit 41 are electrically connected, control of the fan control unit 41 according to temperature control module 10
Order driving fan 40 processed acts；A kind of embodiment of power supply module 30 can be computer power supply power supply unit (power
Supply), computer power supply power supply unit also supplies temperature control mould in addition to that can provide the computer system electric power that operation needs simultaneously
The electric power that block 10, heat source detection unit 20 and fan 40 need, preferably, power supply module 30 provides the electric power of different voltages in turn
The revolving speed of fan 40 is controlled by temperature control module 10, comprising: be higher than fan 40 with a first voltage (V1) starting fan 40
One starting revolving speed (U) of minimum speed (Ulow) starts running, and He Yiyi second voltage (V2) driving fan 40 is in minimum speed
It transports (Ulow) to turn, the first voltage (V1) is 5.0 volts (V), and second voltage (V2) is 3.5 volts (V).
It please refers to Fig. 6 and Fig. 8 is second of fan rotational frequency control method implementation of computer power supply power supply unit of the present invention
The step flow chart and temperature-rotation speed of the fan controlling curve figure of example；The rotation speed of the fan control of computer power supply power supply unit of the present invention
The step of second of embodiment of method processed includes:
1. detecting the operating temperature of computer power supply power supply unit；
2. selecting one of radiating control mode in a standard radiating mode and at least an energy-saving radiating mode；And
3. detecting the operating temperature of power supply unit and according to the radiating control mode being selected, control fan 40 is moved
Make to execute heat dissipation work.
Referring to Fig. 9, be computer power supply power supply unit of the present invention fan rotational frequency control method and its second of device
The action flow chart of two kinds of radiating control modes of embodiment.
Its Plays radiating mode is to start wind when computer power supply power supply unit is started to work with a first voltage (V1)
Fan 40 makes fan 40 start running in starting revolving speed (U) higher than minimum speed (Ulow), subsequently enters a pre- antipyretic stage
(P1), pre- antipyretic stage (P1) is that the revolving speed of fan 40 is linearly first minimized revolving speed within preset one section of first time
(Ulow) one section second time is maintained with minimum speed (Ulow) again, it is linear to radiate subsequently into linear heat dissipation stage (P2)
Stage (P2) is to control fan 40 after the outlet temperature (Tend1) that operating temperature rises to higher than pre- antipyretic stage (P1)
Revolving speed the variation of linear relationship is kept as operating temperature rises or falls, rise in operating temperature and reach a preset highest
Temperature (Tmax) and be higher than maximum temperature (Tmax) after, fan 40 still maintains maximum (top) speed (Umax) persistently to radiate,
Enter first-class prompt drop thermophase (P3) when being brought down below outlet temperature (Tend1) of pre- antipyretic stage (P1) at the working temperature,
Minimum speed (Ulow) and continuous running are maintained in the revolving speed that constant speed temperature-fall period (P3) is control fan 40, until work temperature
Degree, which drops to preset one, to be stopped stopping fan 40, in one embodiment of the present invention, Plays radiating mode when temperature
Stopping temperature can be the initial temperature (T0) in rotation speed of the fan-temperature operation curve.
It is wherein to be operated with a second voltage driving fan 40 at minimum speed (Ulow), the first voltage (V1) is
5.0 volts (V), second voltage (V2) is 3.5 volts (V).Wherein, the initial temperature in rotation speed of the fan-temperature operation curve
(T0), it can be minimum operating temperature of the power supply unit in the case where there is load, be also possible to power supply unit stable power-supplying state
Minimum operating temperature, initial temperature (T0) is also possible to room temperature or room temperature (25 DEG C~30 DEG C) on the other hand.Preferably, mark
The stopping temperature of quasi- radiating mode is 25 DEG C~30 DEG C, and maximum temperature (Tmax) is 65 DEG C~75 DEG C.
Wherein energy-saving radiating mode is to rise to a preset start-up temperature in the operating temperature of computer power supply power supply unit
(T3) Shi Yiyi first voltage (V1) starting fan 40 opens fan 40 in starting revolving speed (U) higher than minimum speed (Ulow)
Begin to operate, subsequently enter a pre- antipyretic stage (P4), pre- antipyretic stage (P4) includes a decelerating phase (P4-1) and a constant speed rank
Section (P4-2), wherein the decelerating phase (P4-1) is in preset one section of first time from starting revolving speed (U) linear reduction to minimum
Enter constant speed stage (P4-2) after revolving speed (Ulow), the constant speed stage (P4-2) is default with minimum speed (Ulow) continuous running
One section second time, solved in advance in the pre- antipyretic stage (P4) comprising decelerating phase (P4-1) and constant speed stage (P4-2)
Heat enters a linear heat dissipation stage after operating temperature rises to the outlet temperature (Tend2) higher than pre- antipyretic stage (P4)
(P5), the change of linear relationship is kept as operating temperature rises or falls in the revolving speed of the linearly fan 40 of heat dissipation stage (P5)
To change, rises in operating temperature and reach a preset maximum temperature (Tmax), the revolving speed of fan 40 also reaches maximum (top) speed (Umax),
Operating temperature be higher than maximum temperature (Tmax) after, the revolving speed of fan 40 be still maintained at maximum (top) speed (Umax) persistently carry out it is scattered
Heat enters first-class prompt drop thermophase when being brought down below outlet temperature (Tend2) of pre- antipyretic stage (P4) at the working temperature
(P6), minimum speed (Ulow) and continuous running are maintained in the revolving speed that constant speed temperature-fall period (P6) is control fan 40, until
Operating temperature stops fan 40 when dropping to stopping temperature (T4).Wherein the start-up temperature (T3) of energy-saving radiating mode is between mark
Between the stopping temperature and maximum temperature (Tmax) of quasi- radiating mode, preferably, the stopping temperature (T4) of energy-saving radiating mode is small
In start-up temperature (T3).Preferably, wherein maximum temperature (Tmax) is 65 DEG C~75 DEG C.Preferably, wherein decelerating phase (P1-
1) preset one section of first time be 15~25 seconds, wherein preset one section second time in constant speed stage (P1-2) be 1~
10 seconds.
Referring to Fig. 7, being second of embodiment of the fan rotation speed control apparatus of computer power supply power supply unit of the present invention
Functional block diagram.Movement and revolving speed to the fan rotational frequency control method control fan according to Fig. 6.Computer power supply of the present invention
Second of embodiment construction of the fan rotation speed control apparatus of power supply unit includes: a temperature control module 10, a heat source detection unit 20
With a power supply module 30, temperature control module 10 is electrically connected with heat source detection unit 20 and power supply module 30 respectively, and heat source detection is single
Member 20 to detect power supply unit operating temperature and constant feedback to temperature control module 10, temperature control module 10 has at least two kinds
Radiating control mode, temperature control module 10 be electrically connected a switch block 50 to be selectively enabled any one of them heat dissipation control
Molding formula, movement of the temperature control module 10 according to detected operating temperature and the radiating control scheme control fan 40 being activated
Heat dissipation work is executed with revolving speed, the radiating control mode includes a standard radiating mode and an at least energy-saving radiating mode.Its
In, second of embodiment of the fan rotational frequency control method of standard radiating mode and aforementioned computer power supply power supply unit of the present invention
Standard radiating mode is identical；The wherein rotation speed of the fan controlling party of energy-saving radiating mode and aforementioned computer power supply power supply unit of the present invention
The energy-saving radiating mode of second of embodiment of method is identical.
There are temperature control module 10 more than one to be available for users to the radiating control mode enabled after selection, preferably, temperature control
Module 10 is a kind of temperature control chip that program can be controlled with running temperature, and the radiating control mode can pass through operation
Different temperature control programs is realized；Temperature control module 10 is electrically connected a switch block 50 and is selectively enabled with for user
Any one of them radiating control mode, wherein switch block 50 includes thumb-acting switch, Multistage type converting switch and push type switching
It switchs therein any.
On the one hand, the third implementation of the fan rotation speed control apparatus of computer power supply power supply unit proposed by the present invention
Example, radiating mode therein include: a standard radiating mode, one first energy saving radiating mode and one second energy-saving radiating mode；
The temperature of these three radiating modes-rotation speed of the fan controlling curve figure please refers to Figure 10；Wherein the first energy saving radiating mode and second
Control mode section all with second embodiment of above-mentioned fan rotational frequency control method of the energy-saving radiating mode for fan 40
Energy radiating mode is identical, and rotation speed of the fan-temperature working curve of the first energy saving radiating mode and the second energy-saving radiating mode
Identical or consistent, difference is rotation speed of the fan-temperature working curve of the first energy saving radiating mode and the second energy-saving radiating mode
In the start-up temperature that starts to determine fan 40, and determine that the stopping temperature that fan 40 stops is different.Wherein the second energy conservation dissipates
The start-up temperature (T5) of heat pattern is higher than the start-up temperature (T3) of the first energy saving radiating mode, the stopping of the second energy-saving radiating mode
Temperature (T6) is higher than the stopping temperature (T4) of the first energy saving radiating mode, the stopping temperature (T6) of the second energy-saving radiating mode between
Between the start-up temperature (T3) and stopping temperature (T4) of first energy saving radiating mode.Preferably, wherein the second energy-saving radiating mode
Start-up temperature (T5) be 55 DEG C~65 DEG C, the stopping temperature (T6) of the second energy-saving radiating mode is 40 DEG C~50 DEG C.
The each temperature indicated in temperature of the invention-rotation speed of the fan controlling curve figure, comprising (T1)~(T6) and
(Tmax) not a kind of constant limitation but characteristic and specification based on general computer power supply power supply unit, according to universal experience
It determines, since the working characteristics of the power supply unit of different size (such as different output powers) is not identical, determines wind
The start-up temperature (T3, T5) that fan 40 starts running, and determine that fan 40 stops after fan 40 persistently heat dissipation a period of time
The stopping temperature (T4, T6) of operating, all can according to the power supply unit of different size and it is variant.It will therefore be appreciated that this
The third embodiment for inventing the fan rotation speed control apparatus of the computer power supply power supply unit proposed is characterized by having a kind of
It may be selected to be radiating control mode above, rotation speed of the fan-temperature operation curve of each of them radiating control mode is also not
It is identical；A kind of better embodiment of the invention includes three kinds of selectable radiating control modes, these three radiating control modes
The radiating control mode of the different-effects such as standard, economic and energy saving can be provided respectively.
Embodiment described above and/or embodiment are only the preferred embodiments to illustrate to realize the technology of the present invention
And/or embodiment, not the embodiment of the technology of the present invention is made any form of restriction, any those skilled in the art
Member changes or is modified to other equivalent when can make a little in the range for not departing from technological means disclosed in the content of present invention
Embodiment, but still should be regarded as and the substantially identical technology or embodiment of the present invention.
Claims (16)
1. a kind of fan rotational frequency control method of computer power supply power supply unit characterized by comprising
A. the operating temperature of power supply unit is detected；
B. when the operating temperature of detection power supply unit rises to a preset start-up temperature, to be higher than a starting of minimum speed
Revolving speed starts a fan and starts running；
C. enter a pre- antipyretic stage, first the revolving speed of the fan is linearly minimized within preset one section of first time and is turned
Speed, then one section second time is maintained with the minimum speed；
D. into a linear heat dissipation stage, the operating temperature of power supply unit is persistently detected, rises to be higher than in operating temperature and be somebody's turn to do
After one outlet temperature in pre- antipyretic stage, the revolving speed of the fan is controlled as operating temperature rises or falls holding linear relationship
Variation, rise in operating temperature and reach a preset maximum temperature, the revolving speed of the fan also reaches maximum (top) speed；
E. the operating temperature for persistently detecting power supply unit rises the preset maximum temperature of arrival in operating temperature and is higher than
After the maximum temperature, which still maintains maximum (top) speed；
F. the operating temperature for persistently detecting power supply unit, is brought down below the terminal temperature in the pre- antipyretic stage at the working temperature
Enter first-class prompt drop thermophase when spending, is to control the revolving speed of the fan to maintain the minimum speed and hold in the constant speed temperature-fall period
Reforwarding turns；And
G. the operating temperature for persistently detecting power supply unit stops the wind when being down to preset stopping temperature at the working temperature
Fan.
2. the fan rotational frequency control method of computer power supply power supply unit as described in claim 1, which is characterized in that be with one
The one voltage starting fan makes the fan with the starting rotation speed operation, drives the fan to transport in the minimum speed with a second voltage
Turn, which is 5.0 volts, which is 3.5 volts；The stopping temperature is 25 DEG C~50 DEG C, the maximum temperature
It is 65 DEG C~75 DEG C, the start-up temperature is between the stopping temperature and the maximum temperature.
3. the fan rotational frequency control method of computer power supply power supply unit as described in claim 1, which is characterized in that this first when
Between be 15~25 seconds, second time be 1~10 second.
4. a kind of fan rotation speed control apparatus of computer power supply power supply unit characterized by comprising a temperature control module, a heat
Source detection unit and a power supply module, the temperature control module are electrically connected with the heat source detection unit and the power supply module respectively, should
Operating temperature and constant feedback of the heat source detection unit to detect power supply unit rise to the temperature control module in operating temperature
When to a preset start-up temperature, which starts a fan to be higher than a starting revolving speed of minimum speed and starts running,
A pre- antipyretic stage is subsequently entered, which is first linearly to drop the rotation speed of the fan within preset one section of first time
One section second time is maintained with the most slow-speed of revolution again to minimum speed, subsequently into a linear heat dissipation stage, the rank of linearly radiating
Section is risen to higher than this after outlet temperature in pre- antipyretic stage in operating temperature, controls the revolving speed of the fan with work
Temperature rises or falls the variation for keeping linear relationship, rises to reach a preset maximum temperature and be higher than in operating temperature and be somebody's turn to do
After maximum temperature, which still maintains maximum (top) speed continuous running, is brought down below the pre- antipyretic stage at the working temperature
Enter first-class prompt drop thermophase when the outlet temperature, is to control the revolving speed of the fan to maintain this minimum in the constant speed temperature-fall period
Revolving speed and continuous running stop the fan when operating temperature drops to preset stopping temperature.
5. the fan rotation speed control apparatus of computer power supply power supply unit as claimed in claim 4, which is characterized in that be with one
The one voltage starting fan makes the fan with the starting rotation speed operation, drives the fan to transport in the minimum speed with a second voltage
Turn, which is 5.0 volts, which is 3.5 volts；The stopping temperature is 25 DEG C~50 DEG C, the maximum temperature
It is 65 DEG C~75 DEG C, the start-up temperature is between the stopping temperature and the maximum temperature.
6. the fan rotation speed control apparatus of computer power supply power supply unit as claimed in claim 4, which is characterized in that this first when
Between be 15~25 seconds, second time be 1~10 second.
7. a kind of fan rotational frequency control method of computer power supply power supply unit characterized by comprising
A. the operating temperature of computer power supply power supply unit is detected；
B. one of radiating control mode is selected in a standard radiating mode and at least an energy-saving radiating mode；And
C. according to detected operating temperature and the radiating control mode being activated, the movement of a fan is controlled；
Wherein the standard radiating mode is when computer power supply power supply unit is started to work, and starting the fan with a first voltage makes
The fan starts running in the starting revolving speed for being higher than a minimum speed, subsequently enters a pre- antipyretic stage, the pre- antipyretic stage
It is that the rotation speed of the fan is linearly first down to the minimum speed within preset one section of first time to maintain one again with the minimum speed
Second time of section, subsequently into a linear heat dissipation stage, this linearly the stage of heat dissipation be to rise in operating temperature higher than the pre- solution
After one outlet temperature in hot stage, the revolving speed for controlling the fan keeps the change of linear relationship as operating temperature rises or falls
Change, after operating temperature rises and reaches a preset maximum temperature and be higher than the maximum temperature, which still remains maximum
Revolving speed enters first-class prompt drop thermophase, in this etc. when being brought down below the outlet temperature in the pre- antipyretic stage at the working temperature
Prompt drop thermophase is to control the revolving speed of the fan to maintain the minimum speed and continuous running, until operating temperature drop to it is default
One stopping temperature when stop the fan；
Wherein the energy-saving radiating mode is when the operating temperature of computer power supply power supply unit rises to a preset start-up temperature
Starting the fan with the first voltage makes the fan start running in the starting revolving speed for being higher than the minimum speed, subsequently enters one
Pre- antipyretic stage, the pre- antipyretic stage include a decelerating phase and a constant speed stage, and wherein the decelerating phase is preset one
Section one first time after the starting revolving speed linear reduction to the minimum speed enter the constant speed stage, the constant speed stage be with
The minimum speed continuous running preset one section 1 second time rises to the end higher than the pre- antipyretic stage in operating temperature
Point temperature after enter a linear heat dissipation stage, the linear heat dissipation stage the fan revolving speed with operating temperature rise or
Decline keeps the variation of linear relationship, rises in operating temperature and reaches the preset maximum temperature, and the revolving speed of the fan also reaches
The maximum (top) speed, after operating temperature is higher than the maximum temperature, the revolving speed of the fan is still maintained at the maximum (top) speed, is working
Temperature is decreased below the outlet temperature in the pre- antipyretic stage, and the revolving speed of the fan maintains the minimum speed and continues to transport
Turn, stops the fan when operating temperature drops to a stopping temperature.
8. the fan rotational frequency control method of computer power supply power supply unit as claimed in claim 7, which is characterized in that be with one first
The voltage starting fan makes the fan with the starting rotation speed operation, drives the fan to transport in the minimum speed with a second voltage
Turn, which is 5.0 volts, which is 3.5 volts.
9. the fan rotational frequency control method of computer power supply power supply unit as claimed in claim 7, which is characterized in that standard heat dissipation
The stopping temperature of mode is 25 DEG C~30 DEG C, which is 65 DEG C~75 DEG C；The start-up temperature of the energy-saving radiating mode
Between the stopping temperature of the standard radiating mode and the maximum temperature, the stopping temperature of the energy-saving radiating mode is less than
The start-up temperature of the energy-saving radiating mode.
10. the fan rotational frequency control method of computer power supply power supply unit as claimed in claim 7, which is characterized in that the deceleration rank
This of section is 15~25 seconds at the first time, and second time in the constant speed stage is 1~10 second.
11. the fan rotational frequency control method of computer power supply power supply unit as claimed in claim 7, which is characterized in that including one
Two energy-saving radiating modes, the start-up temperature of the second energy-saving radiating mode are higher than the start-up temperature of the energy-saving radiating mode, should
The stopping temperature of second energy-saving radiating mode is higher than the stopping temperature of the energy-saving radiating mode, the second energy-saving radiating mode
The stopping temperature is between start-up temperature and the stopping temperature of the energy-saving radiating mode.
12. a kind of device to implement the fan rotational frequency control method of computer power supply power supply unit as claimed in claim 7,
It is characterized in that, comprising: a temperature control module, a heat source detection unit and a power supply module, the temperature control module are examined with the heat source respectively
It surveys unit and the power supply module is electrically connected, the heat source detection unit is to detect the operating temperature of power supply unit and continue anti-
It is fed to the temperature control module, the temperature control module is to execute the standard radiating mode and the energy-saving radiating mode, temperature control module electricity
Property connection one switch block to be selectively enabled the standard radiating mode and the energy-saving radiating mode any one of them, the temperature
Control module is any according to detected operating temperature and the standard radiating mode being activated and the energy-saving radiating mode
Person controls movement and the revolving speed of the fan.
13. a kind of rotation speed of the fan to implement computer power supply power supply unit as claimed in claim 7 as claimed in claim 12
The device of control method, which is characterized in that it is to start the fan with a first voltage to make the fan with the starting rotation speed operation, with
One second voltage drives the fan to operate in the minimum speed, which is 5.0 volts, which is 3.5 volts.
14. a kind of rotation speed of the fan to implement computer power supply power supply unit as claimed in claim 7 as claimed in claim 12
The device of control method, which is characterized in that the stopping temperature of the standard radiating mode is 25 DEG C~30 DEG C, which is 65
DEG C~75 DEG C；The stopping temperature and the maximum temperature of the start-up temperature of the energy-saving radiating mode between the standard radiating mode
Between, the stopping temperature of the energy-saving radiating mode is less than the start-up temperature of the energy-saving radiating mode.
15. a kind of rotation speed of the fan to implement computer power supply power supply unit as claimed in claim 7 as claimed in claim 12
The device of control method, which is characterized in that this of the decelerating phase is 15~25 seconds at the first time, the constant speed stage this second
Time is 1~10 second.
16. a kind of rotation speed of the fan to implement computer power supply power supply unit as claimed in claim 7 as claimed in claim 12
The device of control method, which is characterized in that including one second energy-saving radiating mode, the start-up temperature of the second energy-saving radiating mode
Higher than the start-up temperature of the energy-saving radiating mode, the stopping temperature of the second energy-saving radiating mode is higher than the energy-saving radiating mode
The stopping temperature, the stopping temperature of the second energy-saving radiating mode between the energy-saving radiating mode the start-up temperature and should
Stop between temperature.
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| JPH1026392A (en) * | 1996-07-12 | 1998-01-27 | Fujitsu General Ltd | Method for controlling air conditioner |
| CN100517172C (en) * | 2003-03-27 | 2009-07-22 | 联想(北京)有限公司 | Computer system noise reducing method based on intelligent chip |
| JP4290461B2 (en) * | 2003-04-03 | 2009-07-08 | 株式会社日立製作所 | Cooling system and cooling control method for electric device |
| CN100385369C (en) * | 2003-06-27 | 2008-04-30 | 精拓科技股份有限公司 | Apparatus and method for controlling rotation speed of multistage speed and intelligent fan |
| CN207377844U (en) * | 2017-05-02 | 2018-05-18 | 振华电脑有限公司 | The fan rotation speed control apparatus of computer power supply supply |
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