CN108873794A - A kind of control equipment of radiator fan, system and method - Google Patents
A kind of control equipment of radiator fan, system and method Download PDFInfo
- Publication number
- CN108873794A CN108873794A CN201810765237.7A CN201810765237A CN108873794A CN 108873794 A CN108873794 A CN 108873794A CN 201810765237 A CN201810765237 A CN 201810765237A CN 108873794 A CN108873794 A CN 108873794A
- Authority
- CN
- China
- Prior art keywords
- pwm signal
- radiator fan
- control unit
- signal
- road
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/048—Monitoring; Safety
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- General Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Ventilation (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a kind of control equipment of radiator fan, system and method, the control equipment of radiator fan includes：First via PWM detection circuit, the second road PWM detection circuit and control unit；Whether first via PWM detection circuit detection first via pwm signal is normal, and when normal, first via pwm signal is exported to control unit, otherwise exports invalid signals to control unit；Whether the second road PWM detection circuit the second road pwm signal of detection is normal, and when normal, the second road pwm signal is exported to control unit, otherwise exports invalid signals to control unit；Control unit utilizes the control radiator fan work of another way signal when signal all the way for judging to receive is invalid signals.In the circuit, if pwm signal breaks down all the way, corresponding PWM detection circuit exports invalid signals to control unit, control unit will identify that invalid signals, and using in addition pwm signal controls radiator fan all the way, adjusts the speed radiator fan normally, reduce the consumption of power and the generation of noise.
Description
Technical field
The present invention relates to automatic control technology field more particularly to a kind of control equipment of radiator fan, system and method.
Background technique
Requirement with fields such as high-performance calculation, big data analysis to storage equipment high-performance, high extended capability, with
FLASH is that all solid state hard disk array of storage medium gradually rises.Higher performance means using the stronger CPU of performance, more
More memory parts causes higher power consumption, more and more important therefore, it is necessary to be radiated to storage equipment.
It is radiated at present using radiator fan to storage equipment.Utilize the revolving speed of pwm signal control fan.In order to prevent
Control signal goes wrong, and fan can not work, therefore pwm signal uses two-way Redundancy Design.Control unit believes two-way PWM
After number being compared, fan work is controlled according to the higher pwm signal all the way of frequency, guarantees the proper heat reduction of storage equipment.
But when two-way pwm signal designs at present, when breaking down all the way, failure can export high-frequency PWM all the way
Signal, since the logic of Redundant Control is to take the higher control of the pwm signal all the way fan work of frequency in two-way pwm signal, because
And the pwm signal no matter in addition exported all the way is low electricity frequency or high electric frequency signal, which can be according to high-frequency PWM
Signal controls fan work, at this point, fan can turn at full speed, the control unit is caused to consume biggish power and generate biggish
Noise.
Summary of the invention
Of the existing technology in order to solve the problems, such as, the present invention provides control equipment, system and the side of a kind of radiator fan
Method can be reduced when pwm signal breaks down all the way by the way that in addition pwm signal control radiator fan normally adjusts the speed all the way
The consumption of power and the generation of noise.
To achieve the goals above, technical solution provided by the invention is as follows：
The present invention provides a kind of control equipment of radiator fan, including：First via PWM detection circuit, the second road PWM detection
Circuit and control unit；
The first via PWM detection circuit, it is whether normal for detecting first via pwm signal, when normal, by described
Pwm signal is exported to described control unit all the way, otherwise exports invalid signals to described control unit；
The second road PWM detection circuit, it is whether normal for detecting the second road pwm signal, when normal, by described the
Two road pwm signals are exported to described control unit, otherwise export invalid signals to described control unit；
Described control unit is controlled using another way signal and is dissipated when signal all the way for judging to receive is invalid signals
Hot-air fan work.
Optionally, described control unit is higher using frequency when for judging that the two paths of signals received is pwm signal
Pwm signal all the way control radiator fan work.
Optionally, whether the first via PWM detection circuit detection first via pwm signal is normal, specifically includes：
Whether within the preset frequency range the first via PWM detection circuit detects the frequency of first via pwm signal, if
When more than the predeterminated frequency range or can not identify, it is determined that first via pwm signal failure；
Whether the second road pwm signal of the second road PWM detection circuit detection is normal, specifically includes：
Whether within the preset frequency range the second road PWM detection circuit detects the frequency of the second road pwm signal, if
When more than the predeterminated frequency range or can not identify, it is determined that the second road pwm signal failure.
Optionally, the invalid signals are 0.
Optionally, the control equipment of the radiator fan further includes：First controller and second controller；
First controller, for exporting the first via pwm signal according to environment temperature；
The second controller, for exporting second road pwm signal according to the environment temperature.
Optionally, the control equipment of the radiator fan further includes：Temperature sensor；
The temperature sensor, for obtaining the environment temperature.
The present invention also provides a kind of control system of radiator fan, including a kind of above-mentioned control equipment of radiator fan,
Further include：Radiator fan and storage equipment；
The control equipment of the radiator fan is that the storage equipment radiates for controlling the radiator fan.
Optionally, the radiator fan is installed on the machine frame of the storage equipment.
The present invention also provides a kind of control method of radiator fan, set applied to a kind of above-mentioned control of radiator fan
Standby, which includes：
It whether normal detects first via pwm signal, when normal, the first via pwm signal is exported to the control
Unit, on the contrary invalid signals are exported to described control unit；Whether normal detect the second road pwm signal, it, will be described when normal
Second road pwm signal is exported to described control unit, otherwise exports invalid signals to described control unit；
When judging the signal all the way received as invalid signals, the control radiator fan work of another way signal is utilized.
Optionally, the invalid signals are 0.
Compared with prior art, the present invention has at least the following advantages：
The control equipment of radiator fan provided by the present application includes：First via PWM detection circuit, the second road PWM detection electricity
Road and control unit；The first via PWM detection circuit, it is whether normal for detecting first via pwm signal, it, will when normal
The first via pwm signal is exported to described control unit, otherwise exports invalid signals to described control unit；Second tunnel
PWM detection circuit, for detect the second road pwm signal it is whether normal, when normal, by second road pwm signal export to
Described control unit, on the contrary invalid signals are exported to described control unit；Described control unit, for judging the letter all the way received
Number be invalid signals when, utilize another way signal control radiator fan work.In the circuit, when pwm signal appearance event all the way
When barrier, then corresponding PWM detection circuit will export invalid signals to control unit, and the control unit of the circuit will identify that this
Invalid signals, and using in addition pwm signal control radiator fan works all the way, so that radiator fan normally adjusts the speed, reduce function
The consumption of rate and the generation of noise.
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 structural schematic diagram of the control equipment for the radiator fan that the embodiment of the present application one provides；
Fig. 2 is the structural schematic diagram of the control equipment for the radiator fan that the embodiment of the present application two provides；
Fig. 3 is the structural schematic diagram of the control system for the radiator fan that the embodiment of the present application three provides；
Fig. 4 is the flow chart of the control method of radiator fan provided by the embodiments of the present application.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only this
Invention a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
Embodiment one：
Referring to Fig. 1, which is the structural schematic diagram of the control equipment for the radiator fan that the embodiment of the present application one provides.
The control equipment of radiator fan provided by the embodiments of the present application, including：First via PWM detection circuit 101, the second tunnel
PWM detection circuit 102 and control unit 103；
Control unit 103 can be PC machine or server.
One end of the first via PWM detection circuit 101 connects described control unit 103；The second road PWM detection electricity
The one end on road 102 connects described control unit 103.
The first via PWM detection circuit 101, it is whether normal for detecting first via pwm signal, when normal, by institute
It states first via pwm signal to export to described control unit 103, otherwise exports invalid signals to described control unit 103；
The second road PWM detection circuit 102, it is whether normal for detecting the second road pwm signal, when normal, by institute
It states the second road pwm signal to export to described control unit 103, otherwise exports invalid signals to described control unit 103；
Described control unit 103 utilizes the control of another way signal when signal all the way for judging to receive is invalid signals
Radiator fan work.
It should be noted that when pwm signal failure all the way, control unit 103 will issue alarm signal, prompt user and
Shi Jinhang maintenance.
There are three types of working condition, the first working conditions for the control equipment tool of radiator fan provided by the embodiments of the present application
For：First via pwm signal is normally and the second road pwm signal is normal；Second of working condition be：First via pwm signal failure and
Second road pwm signal is normal；The third working condition is：First via pwm signal normally and the second road pwm signal failure.
For the ease of those skilled in the art to the control equipment different operating of radiator fan provided by the embodiments of the present application
The first working condition will be successively discussed in detail to the third working condition in the understanding of state below.
The first working condition：First via pwm signal is normally and the second road pwm signal is normal.
When first via pwm signal is normal, then it is normal will to obtain first via pwm signal for first via PWM detection circuit 101
Testing result, and first via pwm signal is exported to control unit 103；When the second road pwm signal is normal, then the second road PWM
Detection circuit 102 will obtain the second normal testing result of road pwm signal, and the second road pwm signal is exported to control unit
103。
However, after control unit 103 receives first via signal and second road signal, firstly, control unit 103 will
First via signal is obtained by judgement and second road signal is pwm signal；Then, control unit 103 will be according to first via PWM
Signal and the control radiator fan work of the second road pwm signal.
Wherein, the side that control unit 103 works according to first via pwm signal and the second road pwm signal control radiator fan
There are many formulas.Three kinds of typical working methods are explained below.
The first controls mode that radiator fan works：Presetting pwm signal all the way is decision signal, when control is single
Member 103 obtains first via signal by judgement and when second road signal is pwm signal, then control unit 103 will be according to decision
Signal controls radiator fan work.If presetting first via pwm signal is decision signal, when control unit 103 is by sentencing
It is disconnected to obtain first via signal and when second road signal is pwm signal, then control unit 103 be according to first via pwm signal control
Radiator fan work processed；If presetting the second road pwm signal is decision signal, when control unit 103 is obtained by judgement
When first via signal and second road signal are pwm signal, then control unit 103 will be controlled according to the second road pwm signal and be radiated
Fan work.
Second control radiator fan work mode be：Described control unit 103, the two paths of signals for judging to receive
When being pwm signal, the radiator fan is controlled using the higher pwm signal all the way of frequency and is worked.For example, first via PWM believes
Number frequency be f1 and the frequency of the second road pwm signal is f2, if f1>F2, when control unit 103 obtains first by judgement
After road signal and second road signal are pwm signal, control unit 103 will control radiator fan according to first via pwm signal
Work；If f1=f2, when control unit 103 by judgement obtain first via signal and second road signal be pwm signal it
Afterwards, control unit 103 will be according to first via pwm signal or the control radiator fan work of the second road pwm signal；If f1<F2, when
Control unit 103 by judgement obtains first via signal and after second road signal is pwm signal, and control unit 103 is by root
According to the control radiator fan work of the second road pwm signal.
The mode for controlling radiator fan work due to second selects the higher control of the pwm signal all the way radiator fan of frequency
Work, so that radiator fan is adjusted to larger revolving speed, thus it is best for heat dissipation performance the advantages of the working method, and be suitable for
The control equipment of the demanding radiator fan of heat dissipation performance.
The third controls mode that radiator fan works：Described control unit 103, the two paths of signals for judging to receive
When being pwm signal, the radiator fan is controlled using the lower pwm signal all the way of frequency and is worked.For example, first via PWM believes
Number frequency be f1 and the frequency of the second road pwm signal is f2, if f1>F2, when control unit 103 obtains first by judgement
After road signal and second road signal are pwm signal, control unit 103 will control radiator fan according to the second road pwm signal
Work；If f1=f2, when control unit 103 by judgement obtain first via signal and second road signal be pwm signal it
Afterwards, control unit 103 will be according to first via pwm signal or the control radiator fan work of the second road pwm signal；If f1<F2, when
Control unit 103 by judgement obtains first via signal and after second road signal is pwm signal, and control unit 103 is by root
According to the control radiator fan work of first via pwm signal.
Since the mode of the third control radiator fan work selects the lower control of the pwm signal all the way radiator fan of frequency
Work, so that radiator fan is adjusted to smaller revolving speed, thus it is minimum for power consumption the advantages of the working method, and be suitable for
The control equipment of energy-efficient radiator fan.
Second of working condition：First via pwm signal failure and the second road pwm signal are normal.
When first via pwm signal failure, then first via PWM detection circuit 101 will obtain first via pwm signal failure
Testing result, and invalid signals are exported to control unit 103；When the second road pwm signal is normal, then the second road PWM is detected
Circuit 102 will obtain the second normal testing result of road pwm signal, and the second road pwm signal is exported to control unit 103.
However, after control unit 103 receives first via signal and second road signal, firstly, control unit 103 will
Obtain that first via signal is invalid signals and second road signal is pwm signal by judgement；Then, control unit 103 is by basis
Second road pwm signal controls radiator fan work.
The third working condition is：First via pwm signal normally and the second road pwm signal failure.
When first via pwm signal is normal, then it is normal will to obtain first via pwm signal for first via PWM detection circuit 101
Testing result, and first via pwm signal is exported to control unit 103；When the second road pwm signal failure, then the second road PWM
Detection circuit 102 will obtain the testing result of the second road pwm signal failure, and invalid signals are exported to control unit 103.
However, after control unit 103 receives first via signal and second road signal, firstly, control unit 103 will
Obtain that first via signal is pwm signal and second road signal is invalid signals by judgement；Then, control unit 103 is by basis
First via pwm signal controls radiator fan work.
The control equipment of radiator fan provided by the present application includes：First via PWM detection circuit 101, the second road PWM detection
Circuit 102 and control unit 103；The first via PWM detection circuit 101, it is whether normal for detecting first via pwm signal,
When normal, the first via pwm signal is exported to described control unit 103, otherwise exports invalid signals to the control
Unit 103；The second road PWM detection circuit 102, it is whether normal for detecting the second road pwm signal, when normal, by institute
It states the second road pwm signal to export to described control unit 103, otherwise exports invalid signals to described control unit 103；The control
Unit 103 processed utilizes the control radiator fan work of another way signal when signal all the way for judging to receive is invalid signals.
In the circuit, when pwm signal all the way breaks down, then corresponding PWM detection circuit will export invalid signals to controlling singly
Member 103, and the control unit 103 of the circuit will identify that the invalid signals, and using in addition pwm signal controls radiation air all the way
Fanning work reduces the consumption of power and the generation of noise so that radiator fan normally adjusts the speed.
Control equipment based on the radiator fan that above embodiments provide, in order to realize automatic control radiator fan, this Shen
Please embodiment a kind of control equipment of radiator fan is also provided, be described in detail with reference to the accompanying drawing.
Embodiment two：
Referring to fig. 2, which is the structural schematic diagram of the control equipment for the radiator fan that the embodiment of the present application two provides.
The control equipment of radiator fan provided by the embodiments of the present application includes：First via PWM detection circuit 101, the second tunnel
PWM detection circuit 102, control unit 103, the first controller 201 and second controller 202；
It should be noted that first via PWM detection circuit 101, the second road PWM inspection in control equipment provided by the present application
Slowdown monitoring circuit 102 and control unit 103 are identical as the corresponding contents in embodiment one, and details are not described herein.
First controller 201 and second controller 202 may each be microprocessor or single-chip microcontroller.
The first end of the first via PWM detection circuit 101 connects the first controller 201, the first via PWM detection electricity
The second end on road 101 connects described control unit 103；Wherein, the first controller 201 exports first via pwm signal.
The first end of second road PWM detection circuit 102 connects second controller 202, the second road PWM detection circuit 102
Second end connects control unit 103；Wherein, second controller 202 exports the second road pwm signal.
First controller 201, for exporting the first via pwm signal according to environment temperature；
The second controller 202, for exporting second road pwm signal according to the environment temperature.
The course of work of the control equipment of radiator fan provided by the embodiments of the present application is specially：Firstly, according to environment temperature
Degree, the first controller 201 exports first via pwm signal and second controller 202 exports the second road pwm signal；Secondly, the first via
PWM detection circuit 101 detect first via pwm signal it is whether normal, and export according to testing result corresponding first via signal to
Control unit 103, and whether the second road PWM detection circuit 102 the second road pwm signal of detection is normal and defeated according to testing result
Corresponding second road signal is to control unit 103 out；Then, control unit 103 judges first via signal and second road signal is
No is invalid signals, when the signal all the way for judging to receive is invalid signals, utilizes the control radiator fan work of another way signal；
When the two paths of signals that judgement receives is pwm signal, the radiation air is controlled using using the higher pwm signal all the way of frequency
Fan work.
Invalid signals are for marking failure pwm signal, so that failure pwm signal is different from normal pwm signal, thus
Invalid signals can be indicated with a kind of specific symbol.For example, the invalid signals are 0.
When pwm signal failure, which possibly can not be identified, when failure pwm signal can identify, PWM letter
Number frequency will be high-frequency or low frequency.Thus, in the control equipment, the corresponding PWM all the way of PWM detection circuit detection believes
Number whether the frequency for the pwm signal that normal method can receive according to judges whether the pwm signal is normal.
For example, whether the detection of first via PWM detection circuit 101 first via pwm signal is normal, specifically include：
Whether within the preset frequency range the first via PWM detection circuit 101 detects the frequency of first via pwm signal,
If it exceeds the predeterminated frequency range or when can not identify, it is determined that first via pwm signal failure；
Whether second road pwm signal of the detection of the second road PWM detection circuit 102 is normal, specifically includes：
Whether within the preset frequency range the second road PWM detection circuit 102 detects the frequency of the second road pwm signal,
If it exceeds the predeterminated frequency range or when can not identify, it is determined that the second road pwm signal failure；
Wherein, predeterminated frequency range includes all frequencies when pwm signal is normal, and when pwm signal failure, then should
The frequency of pwm signal will be less than minimum value within the scope of predeterminated frequency or higher than the maximum value within the scope of predeterminated frequency.
Technical solution provided by the present application is more fully understood in order to facilitate description and those skilled in the art, it below will be with
It is illustrated for first via pwm signal failure and the second road pwm signal are normal.
Assuming that predeterminated frequency range is [fmin, fmax]；The frequency of first via pwm signal is f3, and f3<fmin；Second
The frequency of road pwm signal is f4, and fmin<f4<fmax.
The course of work of the control equipment of radiator fan provided by the embodiments of the present application is：
Firstly, the first controller 201 exports first via pwm signal, and the frequency of first via pwm signal according to environment temperature
For f3；Second controller 202 exports the second road pwm signal according to environment temperature, and the frequency of the second road pwm signal is f4.
Then, first via PWM detection circuit 101 detects the frequency f3 of first via pwm signal not in predeterminated frequency range
In [fmin, fmax], it is determined that first via pwm signal failure, and then 0 is exported as invalid signals to control unit 103；The
Two road PWM detection circuits 102 detect that the frequency f4 of the second road pwm signal is interior in predeterminated frequency range [fmin, fmax], then really
Fixed second road pwm signal is normal, and then the second road pwm signal is exported to control unit 103.
Finally, control unit 103 judges first via signal for nothing according to the signal 0 that first via PWM detection circuit 101 is sent
Imitate signal, and according to the second road PWM detection circuit 102 send the second road pwm signal judge second road signal for pwm signal,
Thus, control unit 103 is worked using the second road pwm signal control radiator fan, and sends alarm signal, prompts user timely
The control equipment of radiator fan is overhauled.
Since the first controller 201 and second controller 202 are needed according to environment temperature output pwm signal, thus, at this
The control equipment of radiator fan should have the device of temperature collection.For example, the control equipment of radiator fan further includes temperature sensing
Device；The temperature sensor, for obtaining the environment temperature.
The control equipment of radiator fan provided by the embodiments of the present application further includes the first controller 201 and second controller
202, first controller 201, for exporting the first via pwm signal according to environment temperature；The second controller
202, for exporting second road pwm signal according to the environment temperature.The control equipment can according to environment temperature from
The corresponding pwm signal of dynamic output, to realize the revolving speed of automatic adjustment radiator fan.For example, environment temperature is higher, PWM letter
Number frequency it is higher, the revolving speed of corresponding fan is bigger.
Control equipment based on a kind of radiator fan that above embodiments provide, the embodiment of the present application provide a kind of radiation air
The control system of fan, is described in detail with reference to the accompanying drawing.
Embodiment three：
Referring to Fig. 3, which is the structural schematic diagram of the control system for the radiator fan that the embodiment of the present application three provides.
The control system of radiator fan provided by the embodiments of the present application includes：A kind of radiator fan that above embodiments provide
Control equipment 301, radiator fan 302 and storage equipment 303；
The control equipment 301 of the radiator fan, for control the radiator fan 302 be the storage equipment 303 into
Row heat dissipation.
Storage equipment 303 will generate heat when using, thus, so that the temperature of storage 303 ambient enviroment of equipment increases, so
And the raising of environment temperature will affect the normal operation of storage equipment 303, or even damage storage equipment 303.
In order to improve the radiating efficiency of radiator fan 302, radiator fan 302 need to be installed in around storage equipment 303.
For example, the radiator fan 302 is installed on the machine frame of the storage equipment 303.
The detailed process of the control system of radiator fan provided by the embodiments of the present application is：Firstly, the control of radiator fan
Equipment 301 exports first via pwm signal and the second road pwm signal according to environment temperature；Secondly, the control equipment of radiator fan
301 will test first via pwm signal and whether the second road pwm signal is normal, and the control into the circuit according to testing result
Unit exports corresponding first via signal and second road signal；Then, the control unit in the control equipment 301 of radiator fan will
Judge whether two paths of signals is invalid signals respectively, when the signal all the way for judging to receive is invalid signals, is believed using another way
Number control radiator fan 302 is that storage equipment 303 radiates；When the two paths of signals that judgement receives is pwm signal, utilize
It is that storage equipment 303 radiates that the higher pwm signal all the way of frequency, which controls the radiator fan 302,.
The control system of radiator fan provided by the embodiments of the present application includes：A kind of radiator fan that above embodiments provide
Control equipment 301, radiator fan and storage equipment 303；The control equipment 301 of the radiator fan, for controlling described dissipate
Hot-air fan 302 is that the storage equipment 303 radiates.According to environment temperature, which passes through the control equipment of radiator fan
301 adjust the revolving speed of radiator fan 302, to effectively radiate for storage equipment 303, reduce consumption and the noise of power
Generation.
Control equipment based on a kind of radiator fan that above embodiments provide, the embodiment of the present application provide a kind of radiation air
The control method of fan, is described in detail with reference to the accompanying drawing.
Referring to fig. 4, which is the flow chart of the control method of radiator fan provided by the embodiments of the present application.
The control method of radiator fan provided by the embodiments of the present application, a kind of radiation air provided applied to above embodiments
The control equipment of fan, the control method include：
S401：It whether normal detects first via pwm signal, when normal, the first via pwm signal is exported to described
Control unit, on the contrary invalid signals are exported to described control unit；
Wherein, invalid signals are for marking failure pwm signal, so that failure pwm signal is different from normal PWM letter
Number, thus invalid signals can be indicated with a kind of specific symbol.For example, the invalid signals are 0.
S402：It whether normal detects the second road pwm signal, when normal, second road pwm signal is exported to described
Control unit, on the contrary invalid signals are exported to described control unit；
It should be noted that：The sequencing that S401 and S402 are not fixed can be first progress S401 and carry out S402 again；
S402 can also first be carried out and carry out S401 again；S401 and S402 can also be carried out simultaneously.
S403：When judging the signal all the way received as invalid signals, the control radiator fan work of another way signal is utilized.
The control method of radiator fan provided by the embodiments of the present application includes：Whether normal detect first via pwm signal, when
When normal, the first via pwm signal is exported to described control unit, otherwise exports invalid signals to described control unit；
It whether normal detects the second road pwm signal, when normal, second road pwm signal is exported to described control unit, it is on the contrary
Invalid signals are exported to described control unit；When judging the signal all the way received as invalid signals, the control of another way signal is utilized
Radiator fan work.When pwm signal breaks down all the way, this method will replace the road pwm signal to be sent to invalid signals
Control unit, then, control unit will identify that the invalid signals, and using in addition pwm signal controls radiator fan work all the way
Make, so that radiator fan normally adjusts the speed, reduces the consumption of power and the generation of noise.
It should be appreciated that in this application, " at least one (item) " refers to one or more, and " multiple " refer to two or two
More than a."and/or" indicates may exist three kinds of relationships, for example, " A and/or B " for describing the incidence relation of affiliated partner
It can indicate：A is only existed, B is only existed and exists simultaneously tri- kinds of situations of A and B, wherein A, B can be odd number or plural number.Word
Symbol "/" typicallys represent the relationship that forward-backward correlation object is a kind of "or"." at least one of following (a) " or its similar expression, refers to
Any combination in these, any combination including individual event (a) or complex item (a).At least one of for example, in a, b or c
(a) can indicate：A, b, c, " a and b ", " a and c ", " b and c ", or " a and b and c ", wherein a, b, c can be individually, can also
To be multiple.
The above described is only a preferred embodiment of the present invention, being not intended to limit the present invention in any form.Though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention.It is any to be familiar with those skilled in the art
Member, without departing from the scope of the technical proposal of the invention, all using the methods and technical content of the disclosure above to the present invention
Technical solution makes many possible changes and modifications or equivalent example modified to equivalent change.Therefore, it is all without departing from
The content of technical solution of the present invention, according to the technical essence of the invention any simple modification made to the above embodiment, equivalent
Variation and modification, all of which are still within the scope of protection of the technical scheme of the invention.
Claims (10)
1. a kind of control equipment of radiator fan, which is characterized in that including：First via PWM detection circuit, the second road PWM detection
Circuit and control unit；
The first via PWM detection circuit, it is whether normal for detecting first via pwm signal, when normal, by the first via
Pwm signal is exported to described control unit, otherwise exports invalid signals to described control unit；
The second road PWM detection circuit, it is whether normal for detecting the second road pwm signal, when normal, by second tunnel
Pwm signal is exported to described control unit, otherwise exports invalid signals to described control unit；
Described control unit utilizes another way signal to control radiation air when signal all the way for judging to receive is invalid signals
Fan work.
2. the control equipment of radiator fan according to claim 1, which is characterized in that described control unit, for judging
When the two paths of signals received is pwm signal, the radiator fan is controlled using the higher pwm signal all the way of frequency and is worked.
3. the control equipment of radiator fan according to claim 1, which is characterized in that the first via PWM detection circuit
It whether normal detects first via pwm signal, specifically includes：
Whether within the preset frequency range the first via PWM detection circuit detects the frequency of first via pwm signal, if it exceeds
The predeterminated frequency range or when can not identify, it is determined that first via pwm signal failure；
Whether the second road pwm signal of the second road PWM detection circuit detection is normal, specifically includes：
Whether within the preset frequency range the second road PWM detection circuit detects the frequency of the second road pwm signal, if it exceeds
The predeterminated frequency range or when can not identify, it is determined that the second road pwm signal failure.
4. the control equipment of radiator fan according to claim 1-3, which is characterized in that the invalid signals are
0。
5. the control equipment of radiator fan according to claim 1-3, which is characterized in that further include：First control
Device and second controller processed；
First controller, for exporting the first via pwm signal according to environment temperature；
The second controller, for exporting second road pwm signal according to the environment temperature.
6. the control equipment of radiator fan according to claim 5, which is characterized in that further include：Temperature sensor；
The temperature sensor, for obtaining the environment temperature.
7. a kind of control system of radiator fan, which is characterized in that including radiator fan described in any one of claims 1-6
Equipment is controlled, further includes：Radiator fan and storage equipment；
The control equipment of the radiator fan is that the storage equipment radiates for controlling the radiator fan.
8. the control system of radiator fan according to claim 7, which is characterized in that the radiator fan is installed in described
On the machine frame for storing equipment.
9. a kind of control method of radiator fan, which is characterized in that be applied to radiator fan described in any one of claims 1-6
Control equipment, which includes：
It whether normal detects first via pwm signal, when normal, the first via pwm signal is exported to described control unit,
Otherwise invalid signals are exported to described control unit；Whether normal the second road pwm signal is detected, when normal, by described second
Road pwm signal is exported to described control unit, otherwise exports invalid signals to described control unit；
When judging the signal all the way received as invalid signals, the control radiator fan work of another way signal is utilized.
10. the control method of radiator fan according to claim 9, which is characterized in that the invalid signals are 0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810765237.7A CN108873794B (en) | 2018-07-12 | 2018-07-12 | Control equipment, system and method of cooling fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810765237.7A CN108873794B (en) | 2018-07-12 | 2018-07-12 | Control equipment, system and method of cooling fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108873794A true CN108873794A (en) | 2018-11-23 |
| CN108873794B CN108873794B (en) | 2021-08-10 |
Family
ID=64301605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810765237.7A Active CN108873794B (en) | 2018-07-12 | 2018-07-12 | Control equipment, system and method of cooling fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108873794B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032079A (en) * | 2020-08-03 | 2020-12-04 | 苏州浪潮智能科技有限公司 | Server fan PWM signal frequency detection device and method |
| CN112965550A (en) * | 2021-01-11 | 2021-06-15 | 明峰医疗系统股份有限公司 | Detector temperature control and fault detection system |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1577201A (en) * | 2003-07-28 | 2005-02-09 | 华为技术有限公司 | Fan rotating speed controlling method and apparatus |
| CN101737348A (en) * | 2008-11-27 | 2010-06-16 | 英业达股份有限公司 | Fan control circuit |
| CN201527645U (en) * | 2009-07-13 | 2010-07-14 | 英业达股份有限公司 | Server system |
| CN201562223U (en) * | 2009-07-28 | 2010-08-25 | 英业达股份有限公司 | Server system |
| US20150108934A1 (en) * | 2013-10-17 | 2015-04-23 | Nvidia Corporation | Distributed fan control |
| CN105673542A (en) * | 2016-02-02 | 2016-06-15 | 浪潮(北京)电子信息产业有限公司 | Method and device for regulating and controlling rotation speed of fans in multi-control server system |
| CN106802844A (en) * | 2016-12-30 | 2017-06-06 | 郑州云海信息技术有限公司 | A kind of fan control system and method for fan control signal state |
| US20170187310A1 (en) * | 2015-12-23 | 2017-06-29 | Nuvoton Technology Corporation | Fan driver system and analog fan drive chip |
| CN107219757A (en) * | 2017-07-30 | 2017-09-29 | 吴述梗 | One kind is electronic to be tethered at many rotor redundant power system architectures and control method |
| CN107390664A (en) * | 2016-05-16 | 2017-11-24 | 意法半导体股份有限公司 | Failure detector circuit, related system and integrated circuit for pwm driver |
-
2018
- 2018-07-12 CN CN201810765237.7A patent/CN108873794B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1577201A (en) * | 2003-07-28 | 2005-02-09 | 华为技术有限公司 | Fan rotating speed controlling method and apparatus |
| CN101737348A (en) * | 2008-11-27 | 2010-06-16 | 英业达股份有限公司 | Fan control circuit |
| CN201527645U (en) * | 2009-07-13 | 2010-07-14 | 英业达股份有限公司 | Server system |
| CN201562223U (en) * | 2009-07-28 | 2010-08-25 | 英业达股份有限公司 | Server system |
| US20150108934A1 (en) * | 2013-10-17 | 2015-04-23 | Nvidia Corporation | Distributed fan control |
| US20170187310A1 (en) * | 2015-12-23 | 2017-06-29 | Nuvoton Technology Corporation | Fan driver system and analog fan drive chip |
| CN105673542A (en) * | 2016-02-02 | 2016-06-15 | 浪潮(北京)电子信息产业有限公司 | Method and device for regulating and controlling rotation speed of fans in multi-control server system |
| CN107390664A (en) * | 2016-05-16 | 2017-11-24 | 意法半导体股份有限公司 | Failure detector circuit, related system and integrated circuit for pwm driver |
| CN106802844A (en) * | 2016-12-30 | 2017-06-06 | 郑州云海信息技术有限公司 | A kind of fan control system and method for fan control signal state |
| CN107219757A (en) * | 2017-07-30 | 2017-09-29 | 吴述梗 | One kind is electronic to be tethered at many rotor redundant power system architectures and control method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032079A (en) * | 2020-08-03 | 2020-12-04 | 苏州浪潮智能科技有限公司 | Server fan PWM signal frequency detection device and method |
| CN112965550A (en) * | 2021-01-11 | 2021-06-15 | 明峰医疗系统股份有限公司 | Detector temperature control and fault detection system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108873794B (en) | 2021-08-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103676998B (en) | Temperature control system and temperature-controlled process thereof | |
| CN100552233C (en) | A kind of method and apparatus of controlling rotation speed of the fan | |
| CN103090505A (en) | Temperature control system for machine room | |
| CN105975029A (en) | Distributed temperature control case radiating system | |
| CN108549473A (en) | Computer cooling control method and computer host box | |
| CN109614293A (en) | A kind of management system and method for FPGA isomery accelerator card | |
| CN208607606U (en) | A kind of server fan radiating system | |
| CN103486068B (en) | The control detecting method of intelligent fan and device, intelligent fan | |
| CN108873794A (en) | A kind of control equipment of radiator fan, system and method | |
| CN102740655A (en) | Data center and heat radiation control system thereof | |
| CN105334935A (en) | Computer temperature control system and method | |
| CN109237717A (en) | A kind of air-conditioning electric heating heat protection method, device and air conditioner | |
| CN105468114A (en) | Design method for optimizing heat dissipation noise of server board card | |
| CN105546754A (en) | Temperature controlling method and device for converter and air conditioning | |
| CN106547325A (en) | A kind of fan rotational frequency control method and device | |
| US20080159845A1 (en) | System air fans in integrated control apparatus | |
| CN102014593A (en) | Water-cooled cabinet | |
| US20140163918A1 (en) | Fan module test system | |
| CN103379802A (en) | Fan control system | |
| CN208269356U (en) | Circulation device for air and the blower air circulatory system for the station with blower | |
| JP3855970B2 (en) | Semiconductor device cooling device | |
| CN209022716U (en) | The adaptive radiator of mobile unit | |
| CN107166628B (en) | Terminal air conditioner group control system for data center | |
| CN110928749A (en) | Computer high temperature alarm system | |
| CN109917883A (en) | A kind of server and its fan control system |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |