CN106640716A - Fan control method and device capable of giving consideration to all service panels - Google Patents
Fan control method and device capable of giving consideration to all service panels Download PDFInfo
- Publication number
- CN106640716A CN106640716A CN201510466653.3A CN201510466653A CN106640716A CN 106640716 A CN106640716 A CN 106640716A CN 201510466653 A CN201510466653 A CN 201510466653A CN 106640716 A CN106640716 A CN 106640716A
- Authority
- CN
- China
- Prior art keywords
- temperature
- fan
- business
- operating temperature
- business board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The invention provides a fan control method capable of giving consideration to all service panels. The fan control method capable of giving consideration to all the service panels comprises the following steps that the working temperatures of the service panels are acquired in real time; the corresponding temperature differences are calculated according to the acquired working temperatures and the corresponding calibrated temperatures of the service panels; the maximum value of the temperature differences is determined as the maximum temperature difference; and according to the maximum difference temperature, the rotating speed of a fan is adjusted to enable all the service panels to work at the calibrated temperature or the temperature lower than the calibrated temperature. The invention further provides a fan control device capable of giving consideration to all the service panels. By the adoption of the fan control method and device capable of giving consideration to all the service panels, the fan can work at the lowest rotating speed, all the service panels can work at the calibrated temperature or the temperature lower than the calibrated temperature, the noise of the fan is reduced to the maximum extent, and normal operation of all the service panels is guaranteed.
Description
Technical field
The present invention relates to Motor Control Field, more particularly to a kind of fan control side for taking into account all business boards
Method and device.
Background technology
In the equipment or system based on wind-cooling heat dissipating, a main stream approach for strengthening radiating is exactly to improve
Rotation speed of the fan, and the noise of equipment is mainly derived from fan, rotation speed of the fan is higher, and noise is bigger.System
Radiating and noise suppressed are two aspects of opposition.When fan is run with higher rotating speed, business board work
Make in a relatively low temperature, when fan is run with relatively low rotating speed, business board be operated in one compared with
High temperature.The supreme ideal temperature of each business board normal work in system is the calibration temperature of the business board
Degree, if business board environment operation for a long time more than calibration temperature, can cause the damage of business board.
Existing wind-cooling heat dissipating is mainly by the one-to-one regulation of fan and business board, it is impossible to realize according to multiple industry
The operating temperature and calibration temperature of business plate is adjusted.
Therefore, how according to the operating temperature and calibration temperature of multiple business boards, adjusting the rotating speed of fan makes
Obtain all business boards and be operated in calibration temperature or calibration temperature problem below, problems demand in this respect is sent out
A person of good sense solves.
The above is only used for auxiliary and understands technical scheme, does not represent and recognizes that the above is
Prior art.
The content of the invention
Present invention is primarily targeted at how solving according to the operating temperature and calibration temperature of multiple business boards
Degree, the rotating speed for adjusting fan causes all business boards to be operated in calibration temperature or calibration temperature problem below.
For achieving the above object, the present invention provides a kind of control method for fan for taking into account all business boards, institute
State and take into account the control method for fan of all business boards and comprise the following steps：
The operating temperature of each business board is obtained in real time；
Corresponding temperature difference is calculated according to the acquired corresponding calibration temperature of operating temperature and each business board；
Determine the maximum of each temperature difference as maximum temperature difference；
According to the maximum temperature difference adjust rotation speed of the fan so that all business boards be operated in calibration temperature or
Temperature below calibration temperature.
Preferably, the step of adjustment rotation speed of the fan according to the maximum temperature difference includes：
If the corresponding operating temperature of the maximum temperature difference is more than corresponding calibration temperature, increase output
The dutycycle of pulse signal, controlling the fan by the pulse signal for exporting increases rotating speed；
If the corresponding operating temperature of the maximum temperature difference is less than corresponding calibration temperature, reduce output
The dutycycle of pulse signal, controlling the fan by the pulse signal for exporting reduces rotating speed；
If the corresponding operating temperature of the maximum temperature difference is equal to corresponding calibration temperature, stable output
The dutycycle of pulse signal, is controlled the fan and is run with current rotating speed by the pulse signal for exporting.
Preferably, it is described obtain each business board in real time operating temperature the step of before, also include：
On the fan during electricity, control the fan with preset rotation speed operation, and send information in place to look into
Instruction is ask to each business board；
The information in place that each business board is returned is received, with according to received acquisition of information in place correspondence industry
The operating temperature of business plate.
Preferably, acquired in the basis the corresponding calibration temperature of operating temperature and each business board calculates right
The step of temperature difference answered, includes：
Judge acquired operating temperature whether within the scope of default temperature；
If so, then according to the operating temperature and the corresponding temperature difference of corresponding calibration temperature calculating；
If it is not, then calculating corresponding temperature difference according to preset temperature and corresponding calibration temperature.
Preferably, it is described that rotation speed of the fan is adjusted according to the maximum temperature difference, so that the work of all business boards
After the step of temperature below calibration temperature or calibration temperature, also include：
Current system time is obtained, operating temperature, the maximum of the corresponding each business board of current time is recorded
Temperature difference and rotation speed of the fan；
Query interface is provided, so that user inquires about the corresponding each industry of each system time based on the query interface
The business operating temperature of plate, maximum temperature difference and rotation speed of the fan.
Additionally, for achieving the above object, the present invention also provides a kind of fan control for taking into account all business boards
Device, the fan control device for taking into account all business boards includes：
Acquisition module, for obtaining the operating temperature of each business board in real time；
Computing module, for being calculated according to the acquired corresponding calibration temperature of operating temperature and each business board
Corresponding temperature difference；
Determining module, for determining the maximum of each temperature difference as maximum temperature difference；
Rotational speed control module, for adjusting rotation speed of the fan according to the maximum temperature difference, so that all business
Plate be operated in calibration temperature or calibration temperature below temperature.
Preferably, the rotational speed control module includes accelerator module, deceleration unit and stabilized (steady-state) speed unit；
The accelerator module, if being more than corresponding calibration for the corresponding operating temperature of the maximum temperature difference
Temperature, then increase the dutycycle of the pulse signal of output, and by the pulse signal for exporting the fan is controlled
Increase rotating speed；
The deceleration unit, if being less than corresponding calibration for the corresponding operating temperature of the maximum temperature difference
Temperature, then reduce the dutycycle of the pulse signal of output, and by the pulse signal for exporting the fan is controlled
Reduce rotating speed；
The stabilized (steady-state) speed unit, if being equal to for the corresponding operating temperature of the maximum temperature difference corresponding
Calibration temperature, then the dutycycle of the pulse signal of stable output, described by the pulse signal control for exporting
Fan is run with current rotating speed.
Preferably, the fan control device for taking into account all business boards also includes sending module and receives mould
Block；
The sending module, for the fan during electricity, to be controlled on the fan with preset rotation speed operation,
And send information inquiry in place and instruct to each business board；
The receiver module, for receiving the information in place that each business board is returned, with according to received
The operating temperature of acquisition of information correspondence business board in place.
Preferably, the computing module includes judging unit and computing unit；
The judging unit, for judging acquired operating temperature whether within the scope of default temperature；
The computing unit, if for acquired operating temperature in the temperature range, according to institute
State operating temperature and corresponding calibration temperature calculates corresponding temperature difference；
The computing unit, if being additionally operable to acquired operating temperature not in the temperature range, root
Corresponding temperature difference is calculated according to preset temperature and corresponding calibration temperature.
Preferably, the fan control device for taking into account all business boards also includes memory module and inquiry mould
Block；
The memory module, for obtaining current system time, the corresponding each business of record current time
The operating temperature of plate, maximum temperature difference and rotation speed of the fan；
The enquiry module, for providing query interface, so that user inquires about each based on the query interface
The operating temperature of the corresponding each business board of system time, maximum temperature difference and rotation speed of the fan.
The operating temperature that the present invention passes through each business board of acquisition, to calculate the operating temperature of each business board and determine
The difference of mark temperature, and determine the maximum business board of difference, according to operating temperature and the calibration of the business board
The difference adjustment rotation speed of the fan of temperature so that fan causes all business board works with minimum speed operation
Make below calibration temperature or calibration temperature.Both farthest reduced fan noise in turn ensure that it is all
The normal operation of business board.
Description of the drawings
Fig. 1 is that the flow process of the first embodiment of the control method for fan that the present invention takes into account all business boards is illustrated
Figure；
Fig. 2 is that the flow process of the second embodiment of the control method for fan that the present invention takes into account all business boards is illustrated
Figure；
Fig. 3 is the loop control schematic diagram of the present invention；
Fig. 4 is that the flow process of the 3rd embodiment of the control method for fan that the present invention takes into account all business boards is illustrated
Figure；
Fig. 5 is that the flow process of the fourth embodiment of the control method for fan that the present invention takes into account all business boards is illustrated
Figure；
Fig. 6 is that the flow process of the 5th embodiment of the control method for fan that the present invention takes into account all business boards is illustrated
Figure；
Fig. 7 is the functional module of the first embodiment of the fan control device that the present invention takes into account all business boards
Schematic diagram；
Fig. 8 is the functional module of the second embodiment of the fan control device that the present invention takes into account all business boards
Schematic diagram；
Fig. 9 is the functional module of the 3rd embodiment of the fan control device that the present invention takes into account all business boards
Schematic diagram；
Figure 10 is the functional module of the fourth embodiment of the fan control device that the present invention takes into account all business boards
Schematic diagram；
Figure 11 is the functional module of the 5th embodiment of the fan control device that the present invention takes into account all business boards
Schematic diagram.
The realization of the object of the invention, functional characteristics and advantage will be done referring to the drawings further in conjunction with the embodiments
Explanation.
Specific embodiment
It should be appreciated that specific embodiment described herein is not used to limit only to explain the present invention
The fixed present invention.
The primary solutions of the embodiment of the present invention are：The operating temperature of each business board is obtained in real time；According to
The corresponding calibration temperature of acquired operating temperature and each business board calculates corresponding temperature difference；Determine each temperature
The maximum of degree difference is used as maximum temperature difference；Rotation speed of the fan is adjusted according to the maximum temperature difference, so that institute
Have business board be operated in calibration temperature or calibration temperature below temperature.
How according to the operating temperature and calibration temperature of multiple business boards, the rotating speed for adjusting fan causes to own
Business board is operated in calibration temperature or calibration temperature problem below.
Based on the problems referred to above, the present invention provides a kind of control method for fan for taking into account all business boards.
With reference to Fig. 1, Fig. 1 is the first embodiment of the control method for fan that the present invention takes into account all business boards
Schematic flow sheet.
In the present embodiment, the control method for fan for taking into account all business boards includes：
Step S10, obtains in real time the operating temperature of each business board；
The operating temperature of two and more than two business boards is obtained in real time.To take into account the work of all business boards
Temperature carries out rotation speed of the fan regulation.The operating temperature that each business board can be obtained with predetermined period, it is described pre-
If the cycle can be the speed governing cycle of fan；Or, or the fan the speed governing sampling period.
Preferably, can be with the operating temperature of inquiry once each business board per 10 seconds.
Preferably, the operating temperature of each business board can be determined by the thermometric chip on each business board, and
The operational temperature information of each business board is obtained by communication between plate.On the fan during electricity, control is described
Fan is sent information inquiry in place and is instructed to each business board with preset rotation speed operation；Receive each business board
The information in place for returning；When the information in place that each business board is returned is received, obtained by communication between plate
The operating temperature of correspondence business board.For example：Fan control board is connected by backplane interface with backboard, and is led to
The each business board crossed in the backplane interface and the backboard to enter communicated between andante, is looked into sending information in place
Instruction is ask to each business board, and when the response message of business board return is received, is set up and the business
The communication connection of plate, to obtain the operational temperature information of the business board.
Preferably, multiple fans can be controlled by a fan control board to radiate multiple business boards；
Or, it is also possible to by multiple fan control boards and the corresponding fan of each fan control board to multiple business boards
Radiated.
Step S20, calculates corresponding according to the acquired corresponding calibration temperature of operating temperature and each business board
Temperature difference；
Corresponding temperature difference is calculated according to the acquired corresponding calibration temperature of operating temperature and each business board,
To determine the maximum temperature difference in each business board according to the temperature difference for calculating.
The operating temperature of each business board, is real time temperature when each business board works.The calibration of each business board
Temperature, is the supreme ideal temperature of the long-term normal work of each business board.Preferably, it is contemplated that business board with
And the actual temperature deviation equal error of the individual difference of chip, the error of thermometric chip, point for measuring temperature and chip
Factor, the calibration temperature should reserve the allowance of abundance.
Preferably, the calibration temperature of each business board can be preserved in memory, by inquiring about memory
Obtain the calibration temperature of each business board.The memory can include such as flash memory, hard disk, multimedia card,
Card-type memory (for example, SD or DX memories etc.), random access storage device (RAM), static state
Random access storage device (SRAM), read-only storage (ROM), Electrically Erasable Read Only Memory
(EEPROM), programmable read only memory (PROM), magnetic storage, disk, CD etc.
Storage medium.
Step S30, determines the maximum of each temperature difference as maximum temperature difference；
Step S40, according to the maximum temperature difference rotation speed of the fan is adjusted, so as to all business boards are operated in determine
Temperature below mark temperature or calibration temperature.
The maximum of temperature difference of each business board is determined as maximum temperature difference, by the maximum temperature difference
Rotation speed of the fan regulation is carried out, to take into account all business boards so that all business boards can normally run.
The fan can be single fan, or can also be the combination fan of multiple fan compositions.It is excellent
Choosing, in the combination fan that the fan is multiple fan compositions, can be according to the maximum temperature difference
The unified rotating speed for adjusting the plurality of fan.
Dutycycle can be calculated according to the maximum temperature difference, according to the dutycycle output correspondence for calculating
Pulse signal, by corresponding pulse signal control fan with correspond to rotating speed run.Preferably, if institute
The corresponding operating temperature of maximum temperature difference is stated more than corresponding calibration temperature, then increases the pulse signal of output
Dutycycle, controlling the fan by the pulse signal for exporting increases rotating speed；If the maximum temperature difference
Corresponding operating temperature is less than corresponding calibration temperature, then reduce the dutycycle of the pulse signal of output, leads to
The pulse signal for crossing output controls the fan reduction rotating speed；If the corresponding work temperature of the maximum temperature difference
Degree is equal to corresponding calibration temperature, then the dutycycle of the pulse signal of stable output, by the pulse for exporting
Signal is controlled the fan and is run with current rotating speed.
The present embodiment by obtaining the operating temperature of each business board, with calculate the operating temperature of each business board with
The difference of calibration temperature, and determine the maximum business board of difference, according to the operating temperature of the business board with it is fixed
The difference adjustment rotation speed of the fan of mark temperature so that fan causes all business boards with minimum speed operation
It is operated in below calibration temperature or calibration temperature.Both farthest reduce fan noise and in turn ensure that institute
There is the normal operation of business board.
With reference to Fig. 2, Fig. 2 is the second embodiment of the control method for fan that the present invention takes into account all business boards
Schematic flow sheet.It is described based on the first embodiment of the above-mentioned control method for fan for taking into account all business boards
Step S40 includes：
Step S41, if the corresponding operating temperature of the maximum temperature difference is more than corresponding calibration temperature, increases
Plus the dutycycle of the pulse signal of output, controlling the fan by the pulse signal for exporting increases rotating speed；
Step S42, if the corresponding operating temperature of the maximum temperature difference is less than corresponding calibration temperature, subtracts
The dutycycle of the pulse signal of little output, controlling the fan by the pulse signal for exporting reduces rotating speed；
Step S43, if the corresponding operating temperature of the maximum temperature difference is equal to corresponding calibration temperature, surely
The dutycycle of the pulse signal of fixed output, the fan is controlled with current rotating speed by the pulse signal for exporting
Operation.
According to the maximum temperature difference, correspondence is calculated by pid algorithm (a kind of closed loop control algorithm)
Dutycycle, corresponding pulse signal is exported according to the dutycycle, institute is controlled by the pulse signal
State fan and run with correspondence rotating speed.With reference to Fig. 3, Fig. 3 is the loop control schematic diagram of the present invention.
The PID speed governing algorithm can be realized by equation below：
PWM (n)=P* Δ T+I* Σ Δ T+D* Δ T/S；
Wherein PWM (n) is the dutycycle of pulse signal；P is scale factor；I is integrating factor；D is
Differential divisor；Δ T is the maximum temperature difference；Σ Δs T for the cumulative of Δ T and；S is the speed governing cycle.
Preferably, first speed governing cycle, the algorithm runs for the first time, and maximum temperature difference is defaulted as 25 degree,
That is Δ T=25, then Σ Δs T=25, when fan just goes up electricity, acquiescence initial speed is intermediate speed, i.e.,
PWM (n)=50, the speed governing intelligence sample time be 10 seconds, i.e. S=10, therefore substitute into formula can obtain
PWM (n)=P*25+I*25+D*2.5=50, i.e. 10P+10I+D=20, obtain the restriction relation of P, I, D,
Second speed governing cycle starts just to calculate corresponding dutycycle using actual Δ T, defeated according to the dutycycle
Go out corresponding pulse signal, control the fan by the pulse signal to correspond to rotating speed operation.It is preferred that
, P=1.5, I=0.4, during D=1, the value of P, I, D preferably, can be stored in and be deposited by speed governing effect
In reservoir.
Preferably, the value of the dutycycle of the pulse signal can be any value between 1% to 100%,
100 rotating speed grades of corresponding rotation speed of the fan.So that the rotational speed regulation high precision of fan.
Preferably, when the dutycycle of the pulse signal for calculating is negative value, control fan is with minimum speed
Operation；When the dutycycle for calculating exceeds 100, control fan is with full speed running.
The present embodiment by obtaining the operating temperature of each business board, with calculate the operating temperature of each business board with
The difference of calibration temperature, and determine the maximum business board of difference, according to the operating temperature of the business board with it is fixed
The difference adjustment rotation speed of the fan of mark temperature so that fan causes all business boards with minimum speed operation
It is operated in below calibration temperature or calibration temperature.Both farthest reduce fan noise and in turn ensure that institute
There is the normal operation of business board.Meanwhile, rotation speed of the fan is adjusted by pid algorithm, can quickly allow wind
Fan stabilization of speed is on fixed rotating speed, and fast response time, rotation speed of the fan control is precise and stable.
With reference to Fig. 4, Fig. 4 is the 3rd embodiment of the control method for fan that the present invention takes into account all business boards
Schematic flow sheet.It is described based on the first embodiment of the above-mentioned control method for fan for taking into account all business boards
Before step S10, also include：
Step S11, on the fan during electricity, controls the fan with preset rotation speed operation, and is sent in
Position information inquiry is instructed to each business board；
Step S12, receives the information in place that each business board is returned, to obtain according to received information in place
Take the operating temperature of correspondence business board.
On the fan during electricity, the fan is controlled with preset rotation speed operation, it is each during ensureing just to start
The radiating of business board.The preset rotation speed could be arranged to the minimum speed of the fan to maximum speed it
Between arbitrary rotating speed.Preferably, the preset rotation speed can be set to the intermediate speed of the fan.
Preferably, when the information in place that each business board is returned is received, the work of correspondence business board is obtained
Temperature, if continuous preset times cannot obtain the operating temperature of correspondence business board, control fan is with full speed
Operation.For example：The information in place of certain business board is received, but continuous 3 speed governing cycles cannot get
The temperature information of the business board, then control fan full speed running.
The present embodiment by obtaining the operating temperature of each business board, with calculate the operating temperature of each business board with
The difference of calibration temperature, and determine the maximum business board of difference, according to the operating temperature of the business board with it is fixed
The difference adjustment rotation speed of the fan of mark temperature so that fan causes all business boards with minimum speed operation
It is operated in below calibration temperature or calibration temperature.Both farthest reduce fan noise and in turn ensure that institute
There is the normal operation of business board.
With reference to Fig. 5, Fig. 5 is the fourth embodiment of the control method for fan that the present invention takes into account all business boards
Schematic flow sheet.It is described based on the first embodiment of the above-mentioned control method for fan for taking into account all business boards
Step S20 includes：
Whether step S21, judge acquired operating temperature within the scope of default temperature；
Step S22, if so, then according to the operating temperature and the corresponding temperature of corresponding calibration temperature calculating
Difference；
Step S23, if it is not, then calculating corresponding temperature difference according to preset temperature and corresponding calibration temperature.
The default temperature range, is the default scoping of the operating temperature of each business board, it is preferred that institute
State preset temperature range can be -50 degree to 150 degree, the preset temperature range can be stored in storage
In device, to pass through memory query to the default temperature range.It is right that the preset temperature range is used for
The operating temperature of acquired each business board is verified, if acquired operating temperature is not in the temperature
In the range of, then corresponding temperature difference, the default temperature are calculated according to preset temperature and corresponding calibration temperature
Degree, be the operating temperature of the default business board in the acquisition when outside default scoping, according to described
Default temperature value carries out calculating corresponding temperature difference, it is preferred that the preset temperature can be stored in and deposit
In reservoir, to read the preset temperature by memory, for example：The preset temperature can be arranged
For 70 degree, if the operating temperature of acquired business board is 200 degree, in default -50 degree to 150 degree
Outside scope, then corresponding temperature difference is calculated according to default 70 degree.
Further, if continuous preset times detect acquired operating temperature not in the temperature range
When interior, then fan is controlled with full speed running.
The present embodiment by obtaining the operating temperature of each business board, with calculate the operating temperature of each business board with
The difference of calibration temperature, and determine the maximum business board of difference, according to the operating temperature of the business board with it is fixed
The difference adjustment rotation speed of the fan of mark temperature so that fan causes all business boards with minimum speed operation
It is operated in below calibration temperature or calibration temperature.Both farthest reduce fan noise and in turn ensure that institute
There is the normal operation of business board.
With reference to Fig. 6, Fig. 6 is the 5th embodiment of the control method for fan that the present invention takes into account all business boards
Schematic flow sheet.It is described based on the first embodiment of the above-mentioned control method for fan for taking into account all business boards
After step S40, also include：
S50, the current system time of acquisition, the operating temperature of the corresponding each business board of record current time,
Maximum temperature difference and rotation speed of the fan；
S60, there is provided query interface, for user, to inquire about each system time based on the query interface corresponding
The operating temperature of each business board, maximum temperature difference and rotation speed of the fan.
Current system time is obtained, operating temperature, the maximum of the corresponding each business board of current time is recorded
Temperature difference and rotation speed of the fan；Query interface is provided, so that user inquires about each system based on the query interface
The operating temperature of time corresponding each business board, maximum temperature difference and rotation speed of the fan.Can also pass through described
Query interface shows the calibration temperature of each business board, so that user inquires about each business based on the query interface
The calibration temperature information of plate；Or, it is also possible to setting options are provided by the query interface, for user
The information such as the temperature range of operating temperature of each business board are set based on the setting options.
The present embodiment by obtaining the operating temperature of each business board, with calculate the operating temperature of each business board with
The difference of calibration temperature, and determine the maximum business board of difference, according to the operating temperature of the business board with it is fixed
The difference adjustment rotation speed of the fan of mark temperature so that fan causes all business boards with minimum speed operation
It is operated in below calibration temperature or calibration temperature.Both farthest reduce fan noise and in turn ensure that institute
There is the normal operation of business board.Meanwhile, by record queries function, it is easy to analyze the speed governing effect of fan.
The executive agent of the control method for fan for taking into account all business boards of the above-mentioned first to the 5th embodiment is equal
Can be water cooling system, fan unit or fan control board.Further, it is described to take into account all
The control method for fan of business board can be by installed in water cooling system, fan unit or fan control board
On client control program realize.
The present invention further provides a kind of fan control device for taking into account all business boards.
With reference to Fig. 7, Fig. 7 is the first embodiment of the fan control device that the present invention takes into account all business boards
High-level schematic functional block diagram.
In the present embodiment, the fan control device for taking into account all business boards includes：Acquisition module 10,
Computing module 20, determining module 30 and rotational speed control module 40.
The acquisition module 10, for obtaining the operating temperature of each business board in real time；
The operating temperature of two and more than two business boards is obtained in real time.To take into account the work of all business boards
Temperature carries out rotation speed of the fan regulation.The operating temperature that each business board can be obtained with predetermined period, it is described pre-
If the cycle can be the speed governing cycle of fan；Or, or the fan the speed governing sampling period.
Preferably, can be with the operating temperature of inquiry once each business board per 10 seconds.
Preferably, the operating temperature of each business board can be determined by the thermometric chip on each business board, and
The operational temperature information of each business board is obtained by communication between plate.On the fan during electricity, control is described
Fan is sent information inquiry in place and is instructed to each business board with preset rotation speed operation；Receive each business board
The information in place for returning；When the information in place that each business board is returned is received, obtained by communication between plate
The operating temperature of correspondence business board.For example：Fan control board is connected by backplane interface with backboard, and is led to
The each business board crossed in the backplane interface and the backboard to enter communicated between andante, is looked into sending information in place
Instruction is ask to each business board, and when the response message of business board return is received, is set up and the business
The communication connection of plate, to obtain the operational temperature information of the business board.
Preferably, multiple fans can be controlled by a fan control board to radiate multiple business boards；
Or, it is also possible to by multiple fan control boards and the corresponding fan of each fan control board to multiple business boards
Radiated.
The computing module 20, for according to the acquired corresponding calibration temperature of operating temperature and each business board
Degree calculates corresponding temperature difference；
Corresponding temperature difference is calculated according to the acquired corresponding calibration temperature of operating temperature and each business board,
To determine the maximum temperature difference in each business board according to the temperature difference for calculating.
The operating temperature of each business board, is real time temperature when each business board works.The calibration of each business board
Temperature, is the supreme ideal temperature of the long-term normal work of each business board.Preferably, it is contemplated that business board with
And the actual temperature deviation equal error of the individual difference of chip, the error of thermometric chip, point for measuring temperature and chip
Factor, the calibration temperature should reserve the allowance of abundance.
Preferably, the calibration temperature of each business board can be preserved in memory, by inquiring about memory
Obtain the calibration temperature of each business board.The memory can include such as flash memory, hard disk, multimedia card,
Card-type memory (for example, SD or DX memories etc.), random access storage device (RAM), static state
Random access storage device (SRAM), read-only storage (ROM), Electrically Erasable Read Only Memory
(EEPROM), programmable read only memory (PROM), magnetic storage, disk, CD etc.
Storage medium.
The determining module 30, for determining the maximum of each temperature difference as maximum temperature difference；
The rotational speed control module 40, for adjusting rotation speed of the fan according to the maximum temperature difference, so that institute
Have business board be operated in calibration temperature or calibration temperature below temperature.
The maximum of temperature difference of each business board is determined as maximum temperature difference, by the maximum temperature difference
Rotation speed of the fan regulation is carried out, to take into account all business boards so that all business boards can normally run.
The fan can be single fan, or can also be the combination fan of multiple fan compositions.It is excellent
Choosing, in the combination fan that the fan is multiple fan compositions, can be according to the maximum temperature difference
The unified rotating speed for adjusting the plurality of fan.
Dutycycle can be calculated according to the maximum temperature difference, according to the dutycycle output correspondence for calculating
Pulse signal, by corresponding pulse signal control fan with correspond to rotating speed run.Preferably, if institute
The corresponding operating temperature of maximum temperature difference is stated more than corresponding calibration temperature, then increases the pulse signal of output
Dutycycle, controlling the fan by the pulse signal for exporting increases rotating speed；If the maximum temperature difference
Corresponding operating temperature is less than corresponding calibration temperature, then reduce the dutycycle of the pulse signal of output, leads to
The pulse signal for crossing output controls the fan reduction rotating speed；If the corresponding work temperature of the maximum temperature difference
Degree is equal to corresponding calibration temperature, then the dutycycle of the pulse signal of stable output, by the pulse for exporting
Signal is controlled the fan and is run with current rotating speed.
The present embodiment by obtaining the operating temperature of each business board, with calculate the operating temperature of each business board with
The difference of calibration temperature, and determine the maximum business board of difference, according to the operating temperature of the business board with it is fixed
The difference adjustment rotation speed of the fan of mark temperature so that fan causes all business boards with minimum speed operation
It is operated in below calibration temperature or calibration temperature.Both farthest reduce fan noise and in turn ensure that institute
There is the normal operation of business board.
With reference to Fig. 8, Fig. 8 is the second embodiment of the fan control device that the present invention takes into account all business boards
High-level schematic functional block diagram.Based on the first embodiment of the above-mentioned fan control device for taking into account all business boards,
The rotational speed control module 40 includes accelerator module 41, deceleration unit 42 and stabilized (steady-state) speed unit 43；
The accelerator module 41, if for the corresponding operating temperature of the maximum temperature difference more than corresponding fixed
Mark temperature, then increase the dutycycle of the pulse signal of output, and by the pulse signal for exporting the wind is controlled
Fan increases rotating speed；
The deceleration unit 42, if for the corresponding operating temperature of the maximum temperature difference less than corresponding fixed
Mark temperature, then reduce the dutycycle of the pulse signal of output, and by the pulse signal for exporting the wind is controlled
Fan reduces rotating speed；
The stabilized (steady-state) speed unit 43, if being equal to correspondence for the corresponding operating temperature of the maximum temperature difference
Calibration temperature, then the dutycycle of the pulse signal of stable output, by the pulse signal for exporting institute is controlled
State fan and run with current rotating speed.
According to the maximum temperature difference, correspondence is calculated by pid algorithm (a kind of closed loop control algorithm)
Dutycycle, corresponding pulse signal is exported according to the dutycycle, institute is controlled by the pulse signal
State fan and run with correspondence rotating speed.With reference to Fig. 3, Fig. 3 is loop control schematic diagram.
The PID speed governing algorithm can be realized by equation below：
PWM (n)=P* Δ T+I* Σ Δ T+D* Δ T/S；
Wherein PWM (n) is the dutycycle of pulse signal；P is scale factor；I is integrating factor；D is
Differential divisor；Δ T is the maximum temperature difference；Σ Δs T for the cumulative of Δ T and；S is the speed governing cycle.
Preferably, first speed governing cycle, the algorithm runs for the first time, and maximum temperature difference is defaulted as 25 degree,
That is Δ T=25, then Σ Δs T=25, when fan just goes up electricity, acquiescence initial speed is intermediate speed, i.e.,
PWM (n)=50, the speed governing intelligence sample time be 10 seconds, i.e. S=10, therefore substitute into formula can obtain
PWM (n)=P*25+I*25+D*2.5=50, i.e. 10P+10I+D=20, obtain the restriction relation of P, I, D,
Second speed governing cycle starts just to calculate corresponding dutycycle using actual Δ T, defeated according to the dutycycle
Go out corresponding pulse signal, control the fan by the pulse signal to correspond to rotating speed operation.It is preferred that
, P=1.5, I=0.4, during D=1, the value of P, I, D preferably, can be stored in and be deposited by speed governing effect
In reservoir.
Preferably, the value of the dutycycle of the pulse signal can be any value between 1% to 100%,
100 rotating speed grades of corresponding rotation speed of the fan.So that the rotational speed regulation high precision of fan.
Preferably, when the dutycycle of the pulse signal for calculating is negative value, control fan is with minimum speed
Operation；When the dutycycle for calculating exceeds 100, control fan is with full speed running.
The present embodiment by obtaining the operating temperature of each business board, with calculate the operating temperature of each business board with
The difference of calibration temperature, and determine the maximum business board of difference, according to the operating temperature of the business board with it is fixed
The difference adjustment rotation speed of the fan of mark temperature so that fan causes all business boards with minimum speed operation
It is operated in below calibration temperature or calibration temperature.Both farthest reduce fan noise and in turn ensure that institute
There is the normal operation of business board.Meanwhile, rotation speed of the fan is adjusted by pid algorithm, can quickly allow wind
Fan stabilization of speed is on fixed rotating speed, and fast response time, rotation speed of the fan control is precise and stable.
With reference to Fig. 9, Fig. 9 is the second embodiment of the fan control device that the present invention takes into account all business boards
High-level schematic functional block diagram.Based on the first embodiment of the above-mentioned fan control device for taking into account all business boards,
The fan control device for taking into account all business boards also includes sending module 50 and receiver module 60；
The sending module 50, for the fan during electricity, to be controlled on the fan with preset rotation speed fortune
OK, and send information inquiry in place and instruct to each business board；
The receiver module 60, for receiving the information in place that each business board is returned, with according to received
Acquisition of information in place correspondence business board operating temperature.
On the fan during electricity, the fan is controlled with preset rotation speed operation, it is each during ensureing just to start
The radiating of business board.The preset rotation speed could be arranged to the minimum speed of the fan to maximum speed it
Between arbitrary rotating speed.Preferably, the preset rotation speed can be set to the intermediate speed of the fan.
Preferably, when the information in place that each business board is returned is received, the work of correspondence business board is obtained
Temperature, if continuous preset times cannot obtain the operating temperature of correspondence business board, control fan is with full speed
Operation.For example：The information in place of certain business board is received, but continuous 3 speed governing cycles cannot get
The temperature information of the business board, then control fan full speed running.
The present embodiment by obtaining the operating temperature of each business board, with calculate the operating temperature of each business board with
The difference of calibration temperature, and determine the maximum business board of difference, according to the operating temperature of the business board with it is fixed
The difference adjustment rotation speed of the fan of mark temperature so that fan causes all business boards with minimum speed operation
It is operated in below calibration temperature or calibration temperature.Both farthest reduce fan noise and in turn ensure that institute
There is the normal operation of business board.
With reference to Figure 10, Figure 10 is the fourth embodiment of the fan control device that the present invention takes into account all business boards
High-level schematic functional block diagram.Based on the first embodiment of the above-mentioned fan control device for taking into account all business boards,
The computing module 20 includes judging unit 21 and computing unit 22；
The judging unit 21, for judging acquired operating temperature whether within the scope of default temperature；
The computing unit 22, if for acquired operating temperature in the temperature range, basis
The operating temperature and corresponding calibration temperature calculate corresponding temperature difference；
The computing unit 22, if being additionally operable to acquired operating temperature not in the temperature range,
Corresponding temperature difference is calculated according to preset temperature and corresponding calibration temperature.
The default temperature range, is the default scoping of the operating temperature of each business board, it is preferred that institute
State preset temperature range can be -50 degree to 150 degree, the preset temperature range can be stored in storage
In device, to pass through memory query to the default temperature range.It is right that the preset temperature range is used for
The operating temperature of acquired each business board is verified, if acquired operating temperature is not in the temperature
In the range of, then corresponding temperature difference, the default temperature are calculated according to preset temperature and corresponding calibration temperature
Degree, be the operating temperature of the default business board in the acquisition when outside default scoping, according to described
Default temperature value carries out calculating corresponding temperature difference, it is preferred that the preset temperature can be stored in and deposit
In reservoir, to read the preset temperature by memory, for example：The preset temperature can be arranged
For 70 degree, if the operating temperature of acquired business board is 200 degree, in default -50 degree to 150 degree
Outside scope, then corresponding temperature difference is calculated according to default 70 degree.
Further, if continuous preset times detect acquired operating temperature not in the temperature range
When interior, then fan is controlled with full speed running.
The present embodiment by obtaining the operating temperature of each business board, with calculate the operating temperature of each business board with
The difference of calibration temperature, and determine the maximum business board of difference, according to the operating temperature of the business board with it is fixed
The difference adjustment rotation speed of the fan of mark temperature so that fan causes all business boards with minimum speed operation
It is operated in below calibration temperature or calibration temperature.Both farthest reduce fan noise and in turn ensure that institute
There is the normal operation of business board.
With reference to Figure 11, Figure 11 is the 5th embodiment of the fan control device that the present invention takes into account all business boards
High-level schematic functional block diagram.Based on the first embodiment of the above-mentioned fan control device for taking into account all business boards,
The fan control device for taking into account all business boards also includes memory module 70 and enquiry module 80；
The memory module 70, for obtaining current system time, the corresponding each industry of record current time
The business operating temperature of plate, maximum temperature difference and rotation speed of the fan；
The enquiry module 80, for providing query interface, so that user is inquired about based on the query interface
The operating temperature of the corresponding each business board of each system time, maximum temperature difference and rotation speed of the fan.
Current system time is obtained, operating temperature, the maximum of the corresponding each business board of current time is recorded
Temperature difference and rotation speed of the fan；Query interface is provided, so that user inquires about each system based on the query interface
The operating temperature of time corresponding each business board, maximum temperature difference and rotation speed of the fan.Can also pass through described
Query interface shows the calibration temperature of each business board, so that user inquires about each business based on the query interface
The calibration temperature information of plate；Or, it is also possible to setting options are provided by the query interface, for user
The information such as the temperature range of operating temperature of each business board are set based on the setting options.
The present embodiment by obtaining the operating temperature of each business board, with calculate the operating temperature of each business board with
The difference of calibration temperature, and determine the maximum business board of difference, according to the operating temperature of the business board with it is fixed
The difference adjustment rotation speed of the fan of mark temperature so that fan causes all business boards with minimum speed operation
It is operated in below calibration temperature or calibration temperature.Both farthest reduce fan noise and in turn ensure that institute
There is the normal operation of business board.Meanwhile, by record queries function, it is easy to analyze the speed governing effect of fan.
It should be noted that herein, term " including ", "comprising" or its any other variant
Be intended to including for nonexcludability so that process, method, article including a series of key elements or
Person's device not only includes those key elements, but also including other key elements being not expressly set out, or also
Including the key element intrinsic for this process, method, article or device.In the feelings without more restrictions
Under condition, the key element limited by sentence "including a ...", it is not excluded that including the key element process,
Also there is other identical element in method, article or device.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-mentioned
Embodiment method can add the mode of required general hardware platform to realize by software, naturally it is also possible to logical
Cross hardware, but in many cases the former is more preferably embodiment.It is of the invention based on such understanding
The part that technical scheme substantially contributes in other words to prior art can in the form of software product body
Reveal and, the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disc, light
Disk) in, including some instructions are used so that a station terminal equipment (can be mobile phone, computer is serviced
Device, air-conditioner, or network equipment etc.) perform method described in each embodiment of the invention.
The preferred embodiments of the present invention are these are only, the scope of the claims of the present invention is not thereby limited, it is every
The equivalent structure made using description of the invention and accompanying drawing content or equivalent flow conversion, or directly or
Connect and be used in other related technical fields, be included within the scope of the present invention.
Claims (10)
1. a kind of control method for fan for taking into account all business boards, it is characterised in that described to take into account all industry
The control method for fan of business plate is comprised the following steps：
The operating temperature of each business board is obtained in real time；
Corresponding temperature difference is calculated according to the acquired corresponding calibration temperature of operating temperature and each business board；
Determine the maximum of each temperature difference as maximum temperature difference；
According to the maximum temperature difference adjust rotation speed of the fan so that all business boards be operated in calibration temperature or
Temperature below calibration temperature.
2. the control method for fan of all business boards is taken into account as claimed in claim 1, it is characterised in that
The step of adjustment rotation speed of the fan according to the maximum temperature difference, includes：
If the corresponding operating temperature of the maximum temperature difference is more than corresponding calibration temperature, increase output
The dutycycle of pulse signal, controlling the fan by the pulse signal for exporting increases rotating speed；
If the corresponding operating temperature of the maximum temperature difference is less than corresponding calibration temperature, reduce output
The dutycycle of pulse signal, controlling the fan by the pulse signal for exporting reduces rotating speed；
If the corresponding operating temperature of the maximum temperature difference is equal to corresponding calibration temperature, stable output
The dutycycle of pulse signal, is controlled the fan and is run with current rotating speed by the pulse signal for exporting.
3. the control method for fan of all business boards is taken into account as claimed in claim 1, it is characterised in that
It is described obtain each business board in real time operating temperature the step of before, also include：
On the fan during electricity, control the fan with preset rotation speed operation, and send information in place to look into
Instruction is ask to each business board；
The information in place that each business board is returned is received, with according to received acquisition of information in place correspondence industry
The operating temperature of business plate.
4. the control method for fan of all business boards is taken into account as claimed in claim 1, it is characterised in that
The corresponding calibration temperature of operating temperature and each business board acquired in the basis calculates corresponding temperature difference
Step includes：
Judge acquired operating temperature whether within the scope of default temperature；
If so, then according to the operating temperature and the corresponding temperature difference of corresponding calibration temperature calculating；
If it is not, then calculating corresponding temperature difference according to preset temperature and corresponding calibration temperature.
5. the control method for fan for taking into account all business boards as described in any one of Claims 1-4, its
It is characterised by, it is described that rotation speed of the fan is adjusted according to the maximum temperature difference, so that all business boards are operated in
After the step of temperature below calibration temperature or calibration temperature, also include：
Current system time is obtained, operating temperature, the maximum of the corresponding each business board of current time is recorded
Temperature difference and rotation speed of the fan；
Query interface is provided, so that user inquires about the corresponding each industry of each system time based on the query interface
The business operating temperature of plate, maximum temperature difference and rotation speed of the fan.
6. a kind of fan control device for taking into account all business boards, it is characterised in that described to take into account all industry
The fan control device of business plate includes：
Acquisition module, for obtaining the operating temperature of each business board in real time；
Computing module, for being calculated according to the acquired corresponding calibration temperature of operating temperature and each business board
Corresponding temperature difference；
Determining module, for determining the maximum of each temperature difference as maximum temperature difference；
Rotational speed control module, for adjusting rotation speed of the fan according to the maximum temperature difference, so that all business
Plate be operated in calibration temperature or calibration temperature below temperature.
7. the fan control device of all business boards is taken into account as claimed in claim 6, it is characterised in that
The rotational speed control module includes accelerator module, deceleration unit and stabilized (steady-state) speed unit；
The accelerator module, if being more than corresponding calibration for the corresponding operating temperature of the maximum temperature difference
Temperature, then increase the dutycycle of the pulse signal of output, and by the pulse signal for exporting the fan is controlled
Increase rotating speed；
The deceleration unit, if being less than corresponding calibration for the corresponding operating temperature of the maximum temperature difference
Temperature, then reduce the dutycycle of the pulse signal of output, and by the pulse signal for exporting the fan is controlled
Reduce rotating speed；
The stabilized (steady-state) speed unit, if being equal to for the corresponding operating temperature of the maximum temperature difference corresponding
Calibration temperature, then the dutycycle of the pulse signal of stable output, described by the pulse signal control for exporting
Fan is run with current rotating speed.
8. the fan control device of all business boards is taken into account as claimed in claim 6, it is characterised in that
The fan control device for taking into account all business boards also includes sending module and receiver module；
The sending module, for the fan during electricity, to be controlled on the fan with preset rotation speed operation,
And send information inquiry in place and instruct to each business board；
The receiver module, for receiving the information in place that each business board is returned, with according to received
The operating temperature of acquisition of information correspondence business board in place.
9. the fan control device of all business boards is taken into account as claimed in claim 6, it is characterised in that
The computing module includes judging unit and computing unit；
The judging unit, for judging acquired operating temperature whether within the scope of default temperature；
The computing unit, if for acquired operating temperature in the temperature range, according to institute
State operating temperature and corresponding calibration temperature calculates corresponding temperature difference；
The computing unit, if being additionally operable to acquired operating temperature not in the temperature range, root
Corresponding temperature difference is calculated according to preset temperature and corresponding calibration temperature.
10. the fan control device for taking into account all business boards as described in any one of claim 6 to 9,
Characterized in that, the fan control device for taking into account all business boards also includes memory module and inquiry mould
Block；
The memory module, for obtaining current system time, the corresponding each business of record current time
The operating temperature of plate, maximum temperature difference and rotation speed of the fan；
The enquiry module, for providing query interface, so that user inquires about each based on the query interface
The operating temperature of the corresponding each business board of system time, maximum temperature difference and rotation speed of the fan.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510466653.3A CN106640716A (en) | 2015-07-31 | 2015-07-31 | Fan control method and device capable of giving consideration to all service panels |
| PCT/CN2016/090320 WO2017020696A1 (en) | 2015-07-31 | 2016-07-18 | Fan control method and device for multiple service boards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510466653.3A CN106640716A (en) | 2015-07-31 | 2015-07-31 | Fan control method and device capable of giving consideration to all service panels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106640716A true CN106640716A (en) | 2017-05-10 |
Family
ID=57943760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510466653.3A Withdrawn CN106640716A (en) | 2015-07-31 | 2015-07-31 | Fan control method and device capable of giving consideration to all service panels |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106640716A (en) |
| WO (1) | WO2017020696A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120385A (en) * | 2019-12-30 | 2020-05-08 | 湖南恒茂高科股份有限公司 | Intelligent temperature control POE switch and temperature control method |
| CN111927811A (en) * | 2020-07-30 | 2020-11-13 | 长沙景嘉微电子股份有限公司 | Control method, device, terminal and medium for display card fan |
| CN115013346A (en) * | 2022-07-21 | 2022-09-06 | 浪潮思科网络科技有限公司 | Fan speed regulation method based on equipment, equipment and medium |
| CN116755542A (en) * | 2023-06-16 | 2023-09-15 | 北京市合芯数字科技有限公司 | Whole machine power consumption reduction method, system, substrate management controller and server |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111885892B (en) * | 2020-08-03 | 2023-09-01 | 深圳市越宏普智能光电科技有限公司 | Heat dissipation control method, system and equipment of power adapter and readable storage medium |
| CN113534929A (en) * | 2021-06-30 | 2021-10-22 | 中国长城科技集团股份有限公司 | Server fan speed regulation method and device, terminal equipment and storage medium |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201007800Y (en) * | 2007-01-09 | 2008-01-16 | 至宝电脑兴业股份有限公司 | System fan integrated controller |
| CN102984914A (en) * | 2011-09-02 | 2013-03-20 | 联想(北京)有限公司 | Method for controlling the temperature of electronic device and electronic device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0642494A (en) * | 1992-07-23 | 1994-02-15 | Matsushita Electric Ind Co Ltd | Variable revolution controlled cooling fan |
| JP4204137B2 (en) * | 1999-04-22 | 2009-01-07 | 株式会社小松製作所 | Drive control device for cooling fan |
| CN100570159C (en) * | 2002-03-21 | 2009-12-16 | 华为技术有限公司 | Method for reducing noise of equipments based on rotation speed of the fan control |
| CN101761500B (en) * | 2008-12-24 | 2012-02-15 | 大唐移动通信设备有限公司 | Method and device for controlling rotating speed of fan and method and device for controlling heat dissipation speed |
| CN103036816B (en) * | 2012-12-13 | 2015-07-15 | 迈普通信技术股份有限公司 | Fan rotating speed controlling method and switchboard equipment |
| US20140334091A1 (en) * | 2013-05-07 | 2014-11-13 | Nvidia Corporation | Counter rotating blower with individual controllable fan speeds |
-
2015
- 2015-07-31 CN CN201510466653.3A patent/CN106640716A/en not_active Withdrawn
-
2016
- 2016-07-18 WO PCT/CN2016/090320 patent/WO2017020696A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201007800Y (en) * | 2007-01-09 | 2008-01-16 | 至宝电脑兴业股份有限公司 | System fan integrated controller |
| CN102984914A (en) * | 2011-09-02 | 2013-03-20 | 联想(北京)有限公司 | Method for controlling the temperature of electronic device and electronic device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120385A (en) * | 2019-12-30 | 2020-05-08 | 湖南恒茂高科股份有限公司 | Intelligent temperature control POE switch and temperature control method |
| CN111120385B (en) * | 2019-12-30 | 2022-02-22 | 湖南恒茂高科股份有限公司 | Intelligent temperature control POE switch and temperature control method |
| CN111927811A (en) * | 2020-07-30 | 2020-11-13 | 长沙景嘉微电子股份有限公司 | Control method, device, terminal and medium for display card fan |
| CN111927811B (en) * | 2020-07-30 | 2022-06-24 | 长沙景嘉微电子股份有限公司 | Control method, device, terminal and medium for display card fan |
| CN115013346A (en) * | 2022-07-21 | 2022-09-06 | 浪潮思科网络科技有限公司 | Fan speed regulation method based on equipment, equipment and medium |
| CN116755542A (en) * | 2023-06-16 | 2023-09-15 | 北京市合芯数字科技有限公司 | Whole machine power consumption reduction method, system, substrate management controller and server |
| CN116755542B (en) * | 2023-06-16 | 2024-06-04 | 北京市合芯数字科技有限公司 | Whole machine power consumption reduction method, system, substrate management controller and server |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017020696A1 (en) | 2017-02-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106640716A (en) | Fan control method and device capable of giving consideration to all service panels | |
| US7490479B2 (en) | Method and system of advanced fan speed control | |
| US9658661B2 (en) | Climate regulator control for device enclosures | |
| CN102099761B (en) | Thermal management techniques and an electronic device using the method | |
| CN100507792C (en) | Synchronous control method and system for surface temp and relative humidity of one-board | |
| CN103486070B (en) | A kind of fan regulation and controlling test method of optimizing power consumption | |
| US7962250B2 (en) | Control method for cooling an industrial plant | |
| US20160066471A1 (en) | Cooling control of information technology equipment | |
| CN111536067B (en) | Fan rotating speed control method and device, electronic equipment and storage medium | |
| CN104454616A (en) | Method for accurately controlling rotating speed of fan | |
| CN109563844A (en) | Rotation speed of the fan method of adjustment, device, equipment, storage medium, program product | |
| US10863653B2 (en) | Thermal testing system and method of thermal testing | |
| CN114415454B (en) | Projection device heat dissipation control method and device, projection device and storage medium | |
| CN104460902A (en) | Fan regulation and control method and device capable of optimizing power | |
| CN114893430A (en) | Fan speed regulation method and device, server and storage medium | |
| CN109489190B (en) | Method and system for regulating and controlling cold quantity of machine room | |
| US20120123610A1 (en) | Cooling Device Control | |
| CN102176173B (en) | Method for controlling number of revolution and device | |
| CN111538392B (en) | Fan control method and device, electronic equipment and readable storage medium | |
| CN107269564B (en) | Method and device for automatically regulating and controlling rotating speed of fan | |
| CN116498592A (en) | Fan rotating speed stable regulation and control method, system, terminal and storage medium | |
| CN111427435A (en) | Method, system, equipment and storage medium for controlling rotating speed of server fan | |
| CN102536765B (en) | Method for controlling rotation speed of fans of wireless base station equipment | |
| CN104373367A (en) | Communication device fan control method and device | |
| CN115051002A (en) | Heat dissipation control method and device, computer equipment and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170510 |
|
| WW01 | Invention patent application withdrawn after publication |