CN107420332A - A kind of method and apparatus of fan control - Google Patents
A kind of method and apparatus of fan control Download PDFInfo
- Publication number
- CN107420332A CN107420332A CN201610349171.4A CN201610349171A CN107420332A CN 107420332 A CN107420332 A CN 107420332A CN 201610349171 A CN201610349171 A CN 201610349171A CN 107420332 A CN107420332 A CN 107420332A
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- Prior art keywords
- fan
- value
- temperature
- module
- threshold value
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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
- F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
-
- 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
-
- 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
- G06F1/206—Cooling means comprising thermal management
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/30—Control parameters, e.g. input parameters
- F05D2270/303—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/30—Control parameters, e.g. input parameters
- F05D2270/303—Temperature
- F05D2270/3032—Temperature excessive temperatures, e.g. caused by overheating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/30—Control parameters, e.g. input parameters
- F05D2270/304—Spool rotational speed
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a kind of method and apparatus of fan control, including：The configured information that user operates fan is obtained, when determining the configured information to disconnect the fan, the rotating speed of the fan is preset, obtains the state value for disconnecting the fan, when acquired value reaches predetermined threshold value, then disconnect the fan.So by fan when extract operation, first obtain the state value for disconnecting the fan, the state value is the safe condition of relation equipment, only when the state value is in it is safe when the operation that fan can just be plugged, so as to improve degree of safety of the fan in withdrawal process.
Description
Technical field
The present invention relates to air blast cooling technical field, espespecially a kind of method and apparatus of fan control.
Background technology
At present, as the lifting of electronic product power density, and people require continuous to products noise
Improve, the control of temperature redundancy also requires more accurate.When equipment normal operation, to try one's best, reduction is made an uproar
Sound, rotation speed of fan is intended to be operated in be met in system at all long term device operating temperature requirements just.
Now, if to be safeguarded to system, especially when blower module is carrying out pull action, so that it may
The rapid overtemperature of Primary Component in system can be caused, or even causes device failure.
In the prior art, Fig. 1 is the structural representation of fan control device current in the prior art, such as
Shown in Fig. 1, the fan control device includes blower module 01, fan-driving module 02, fan control mould
Block 03 and system temperature acquisition module 04, it is that some simple temperature datas are done using MCU/CPU
Handle to control rotation speed of the fan.
But using prior art, the plug not to fan is operated to be controlled by, also not had equally
Have to whether fan exercises supervision in place, when the plug operation of fan is unsatisfactory for the requirement of current equipment,
It is easy to cause equipment the damage of destruction, or even triggers fire.
The content of the invention
In order to solve the above-mentioned technical problem, the invention provides a kind of method and apparatus of fan control, energy
The safe condition of enough state obtaining systems according to fan, so as to carry out the operation of safety insertion fan,
Improve the degree of safety of system.
In order to reach the object of the invention, in a first aspect, the invention provides a kind of method of fan control,
This method includes：
Obtain the configured information that user operates fan；
When determining the configured information to disconnect the fan, the rotating speed of the fan is preset, obtains and disconnects
The state value of the fan；
When acquired value reaches predetermined threshold value, then the fan is disconnected.
Compared with prior art, a kind of method of fan control provided in an embodiment of the present invention, this method are led to
Cross and obtain the configured information that user operates fan, when determining the configured information to disconnect the fan, in advance
If the rotating speed of the fan, the state value for disconnecting the fan is obtained, when acquired value reaches predetermined
During threshold value, then the fan is disconnected.So by fan when extract operation, first obtain to disconnect and be somebody's turn to do
The state value of fan, the state value are the safe conditions of relation equipment, only when the state value is in safety
When the operation that fan can just be plugged, so as to improve safety of the fan in withdrawal process
Degree.
In one embodiment, after the connection of the fan is disconnected, in addition to：
The state value of the fan alarm is obtained, when acquired value reaches predetermined threshold value, is then prompted
Connect the warning message of the fan.
By the condition monitoring after being disconnected to fan, to remind user to turn back to the fan in time, from
And to ensure the security of equipment.
In one embodiment, the state value for disconnecting the fan is obtained, including：
Obtain at least one in the temperature of the duration of runs of the fan or the chip of fan association
Value.
At least one in the temperature of the chip associated by the duration of runs or the fan that obtain the fan
Value, can facilitate user can by these state values come judge to disconnect the fan can or can not be to equipment
Damage is brought, so as to improve degree of safety.
In one embodiment, when acquired value reaches predetermined threshold value, then the fan is disconnected,
Including：
When in the temperature for the chip that the duration of runs of the acquired fan or the fan associate at least
When the value of one reaches predetermined threshold value, then the fan is disconnected.
By when in the temperature of the duration of runs of the acquired fan or the chip of fan association
It is simple to operate when the value of at least one reaches predetermined threshold value, it provide the user conveniently.
In one embodiment, the value of the fan alarm condition is obtained, when acquired value reaches predetermined
Threshold value when, then prompting connects the warning message of the fan, including：
Obtain at least one in the temperature of the turn-off time of the fan or the chip of fan association
Value, reach predetermined threshold value when the turn-off time of the acquired fan or the temperature of chip of association
When, then prompting connects the warning message of the fan.
At least one of in the temperature of the chip associated by the turn-off time or the fan that obtain fan
Value is monitored, if the value of the alarm condition reaches a meeting damage equipment, provides warning message
Reminding user to turn back to the fan in time, so as to ensure the security of equipment.
Second aspect, the invention provides a kind of device of fan control, the device includes：Indicating module,
Control module and switch module；
The indicating module is arranged to obtain the configured information that user operates fan；
When the control module is arranged to determine the configured information to disconnect the fan connection, institute is preset
The rotating speed of fan is stated, obtains the state value for disconnecting the fan；
The switch module is arranged to when acquired value reaches predetermined threshold value, then disconnect the fan.
Compared with prior art, the device of a kind of fan control provided in an embodiment of the present invention, the device bag
Include：Indicating module, control module and switch module, the indicating module are arranged to obtain user's operation wind
The configured information of fan, when the control module is arranged to determine the configured information to disconnect the fan,
The rotating speed of the fan is preset, obtains the state value for disconnecting the fan, the switch module is arranged to work as
When acquired value reaches predetermined threshold value, then the fan is disconnected.So extracted by fan
During operation, the state value for disconnecting the fan is first obtained, the state value is the safe condition of relation equipment, only
There is the operation that can be just plugged when the state value is in safe to fan, so as to improve wind
Fan the degree of safety in withdrawal process.
In one embodiment, the device also includes：Alarm module；
The alarm module is arranged to after the connection of the fan is disconnected, and obtains the fan alarm shape
The value of state, when acquired value reaches predetermined threshold value, then prompting connects the warning message of the fan.
By the condition monitoring after being disconnected to fan, to remind user to turn back to the fan in time, from
And to ensure the security of equipment.
In one embodiment, the control module is arranged to obtain the state value for disconnecting the fan, is
Refer to：
The control module is arranged to obtain the duration of runs of the fan or the chip of fan association
Temperature at least one of value.
At least one in the temperature of the chip associated by the duration of runs or the fan that obtain the fan
Value, can facilitate user can by these state values come judge to disconnect the fan can or can not be to equipment
Damage is brought, so as to improve degree of safety.
In one embodiment, the switch module is arranged to when acquired value reaches predetermined threshold value
When, then the fan is disconnected, is referred to：
The switch module is arranged to when the duration of runs of the acquired fan or fan association
Chip temperature at least one of value when reaching predetermined threshold value, then disconnect the fan.
By when in the temperature of the duration of runs of the acquired fan or the chip of fan association
It is simple to operate when the value of at least one reaches predetermined threshold value, it provide the user conveniently.
In one embodiment, the alarm module is arranged to obtain the value of the fan alarm condition, when
When acquired value reaches predetermined threshold value, then prompting connects the warning message of the fan, refers to：
The alarm module is arranged to obtain the turn-off time of the fan or the chip of fan association
Temperature at least one of value, when the turn-off time of the acquired fan or the chip of association
When temperature reaches predetermined threshold value, then prompting connects the warning message of the fan.
At least one of in the temperature of the chip associated by the turn-off time or the fan that obtain fan
Value is monitored, if the value of the alarm condition reaches a meeting damage equipment, provides warning message
Reminding user to turn back to the fan in time, so as to ensure the security of equipment.
Other features and advantages of the present invention will be illustrated in the following description, also, partly from froming the perspective of
Become apparent in bright book, or understood by implementing the present invention.The purpose of the present invention is excellent with other
Point can be realized and obtained by specifically noted structure in specification, claims and accompanying drawing
.
Brief description of the drawings
Accompanying drawing is used for providing further understanding technical solution of the present invention, and one of constitution instruction
Point, it is used to explain technical scheme together with embodiments herein, does not form to the present invention
The limitation of technical scheme.
Fig. 1 is the structural representation of fan control device current in the prior art；
Fig. 2 is a kind of schematic flow sheet of the embodiment of the method one of fan control provided by the invention；
Fig. 3 is a kind of structural representation of the device embodiment one of fan control provided by the invention；
Fig. 4 is a kind of structural representation of the device embodiment two of fan control provided by the invention.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with accompanying drawing
Embodiments of the invention are described in detail.It should be noted that in the case where not conflicting, this Shen
Please in embodiment and embodiment in feature can mutually be combined.
Can be in the computer of such as one group computer executable instructions the flow of accompanying drawing illustrates the step of
Performed in system.Also, although logical order is shown in flow charts, in some cases,
Can be with the step shown or described by being performed different from order herein.
The present embodiments relate to method can apply to be provided with the device of fan, the device can be
Computer, server, large scale equipment etc., but be not limited thereto.
The present embodiments relate to method, it is intended to solution plug behaviour is not carried out to fan in the prior art
State during work is monitored, and is easily caused the environment suddenly change of current device and is ruined caused by
The damage of going out property, or even trigger the technical problem of fire.
Technical scheme is described in detail with specifically embodiment below.These have below
The embodiment of body can be combined with each other, may be in some embodiments for same or analogous concept or process
Repeat no more.
Fig. 2 is a kind of schematic flow sheet of the embodiment of the method one of fan control provided by the invention.This reality
Apply example and refer to the detailed process that state when fan carries out plug operation controls.As shown in Fig. 2 should
Method includes：
S101, obtain the configured information that user operates fan.
Specifically, the indicating module of fan come obtain user operate fan configured information, such as：User
The information that the button of fan plug can be clicked on provides the operation instruction information of fan, can be to wherein
A fan carry out plugging operation or multiple fans and carry out plug operation, specifically can basis
Thing situation is determined, but is not limited thereto.
S102, determine that the configured information is when disconnecting the fan, to preset the rotating speed of the fan, obtain
Take the state value for disconnecting the fan；
Specifically, the control module of fan gets the configured information of user, it is disconnected to determine the configured information
When opening fan connection, according to actual conditions an indicator lamp can be set to show that the fan is in SBR,
It should be noted that the fan is the state in connection, usually it is in by mechanical lock or electromagnetic lock
Closed mode, it is restricted from extracting, for fan, its major function is in equipment
Chip carries out cooling processing, it is necessary to the safe condition of assessment equipment when fan is pulled out, also
It is to obtain the state value for disconnecting the fan, therefore, it is necessary to which rotation speed of the fan all in equipment is first set
It is fixed the temperature environment of equipment is in the state of safety to a predetermined rotating speed, wherein, user can be with
The speed adjustment strategy of fan is set according to the cooling requirements of equipment, chip or processing typically in equipment
When the Primary Component temperature such as device is relatively low, low wind speed can be taken to rotate, when chip in equipment or processor
Higher wind is taken to rotate compared with Gao Shihui Deng Primary Component temperature, centre can have multiple gears, or adopt
The change of fan linear is taken, to realize the temperature of the Primary Component such as chip or processor in dynamic adjusting system
Degree, and the temperature of the equipment is monitored in real time to determine to disconnect the state value of the fan, next need to obtain
The state value of the fan is disconnected, the state value can be that the time of fan running or the fan associate
The value of at least one in the temperature of chip, can or can not if the fan for allowing user to understand this moment is pulled out
Damage is produced to the equipment, therefore, it is necessary to monitoring in real time disconnects the state value of the fan.
S103, when acquired value reaches predetermined threshold value, then disconnect the fan.
Specifically, disconnect the state value of the fan when the control module of fan monitors and meet the equipment
During safe condition, the safe condition can set a threshold value as the case may be, can set one
The indicator lamp of fan-status, instruction fan be in safety state, then can open fan mechanical lock or
Person's electromagnetic lock, extract the fan.
A kind of method of fan control provided in an embodiment of the present invention, this method operate wind by obtaining user
The configured information of fan, when determining the configured information to disconnect the fan, the rotating speed of the fan is preset,
The state value for disconnecting the fan is obtained, when acquired value reaches predetermined threshold value, then described in disconnection
Fan.The state value for disconnecting the fan, the shape are first so obtained when extract operation by fan
State value is the safe condition of relation equipment, only when the state value be in it is safe when just can be to fan
The operation plugged, so as to improve degree of safety of the fan in withdrawal process.
Further, on the basis of above-described embodiment, the fan is broken in above-mentioned steps 103
After connection, in addition to：
The state value of the fan alarm is obtained, when acquired value reaches predetermined threshold value, is then prompted
Connect the warning message of the fan.
Specifically, the control module of the fan after the connection of the fan is disconnected, can be somebody's turn to do in monitoring in real time
After fan disconnects, the safe condition of equipment operation, that is, the state value that the fan is alarmed is obtained, if
Emergency then needs to provide alarm, the state value can be the time span that fan disconnects or
Person is at least one in the temperature of Primary Component such as chip or processor in equipment to state the alarm
State value, it is when the alarm module of fan reaches alarm threshold in the alarm condition for knowing the fan, i.e., disconnected
The temperature of the Primary Components such as chip of the time opened fan too long or in equipment, processor is too high, easily
Cause the state of device damage, will prompt to connect the warning message of the fan, remind user to correspond to
Position fan turns back in time, and the warning message can be warning lamp alarm either caveat alarm, but simultaneously
It is not limited.
It should be noted that in the above-described embodiments, can using travel switch come detect fan whether
Position, i.e., whether the state in connection, and by timer come setting time, so as to whether detect fan
Extract for a long time, and remind user to turn back to fan in time.Battery can also be increased in control module
Scheme realizes alarm function because the operating time for pulling out fan is shorter, and some CPU have it is low
Power consumption module, i.e., only have the module in small part CPU working in power down, so power consumption is smaller.
A control module can equally be increased in the chassis to realize the design, by institute can be achieved in MCU
The detection stated and alarm function, so the problem of can't triggering in cost, when fan normally turns back to
Behind fan groove position, the alarm of fan alarm module is removed, equipment continues normal work.
By the condition monitoring after being disconnected to fan, to remind user to turn back to the fan in time, from
And to ensure the security of equipment.
Further, on the basis of above-described embodiment, the state value for disconnecting the fan is obtained, including：
Obtain at least one in the temperature of the duration of runs of the fan or the chip of fan association
Value.
Specifically, the major function of fan is to carry out cooling processing to the chip in equipment, when fan is pulled out
, it is necessary to the safe condition of assessment equipment when going out, that is, obtain and disconnect the state of the fan and be
Safety, therefore, it is necessary to the state value for disconnecting the fan is obtained, such as：The duration of runs of the fan, the wind
Temperature of chip of association etc. is fanned, and these values are monitored, wherein, in actual use,
Need to obtain the state value for disconnecting the fan, be to obtain equipment actual measurement environment temperature+minimum temperature of equipment
Rise, when fan prepare OK state, that is, fan extract before temperature under limit (equipment minimum temperature),
It is to subtract the minimum temperature that can reach in the case of fan full speed in equipment for the minimal temperature rise of equipment
Equipment minimal temperature rise in the case of the full speed of the environment temperature of equipment at that time, as equipment.For example：
Actual measurement veneer is 45 DEG C in the minimum temperature that fan can reach at full speed, and laboratory environment at that time is 25 DEG C,
So minimal temperature rise is 20 DEG C, then the state that fan prepares OK is "+20 DEG C of environment temperature of actual measurement ".
Therefore, user can be stored in being limited at a temperature of each chip in fan control module, and and equipment
The data that temperature collect module collection is returned are compared, when the institute that the collection of device temperature acquisition module is returned
When having the temperature to reach this lower limit, fan indicator shows that fan prepares OK, then switching molding can be put soon
Mechanical lock is opened, user can extract fan.Certainly, user can according to the needs and experience of oneself, if
Surely temperature threshold more slightly higher than this temperature, increases some surpluses, so as to accelerate to pull out the operation of fan, and
Do not influence to use.
The setting of lower threshold recited above and method, it is a kind of example, any thermal design or correlation
The technical staff in work position may be by simply changing or proposing similar operation, the design bag
Include but be not limited to the setting of the lower limit of said temperature, the calculating for other method is so as to realizing temperature
The setting of lower limit, also it is fundamentally the minimum temperature of set device normal work.
At least one in the temperature of the chip associated by the duration of runs or the fan that obtain the fan
Value, can facilitate user can by these state values come judge to disconnect the fan can or can not be to equipment
Damage is brought, so as to improve degree of safety.
Further, on the basis of above-described embodiment, when acquired value reaches predetermined threshold value,
The fan is then disconnected, including：
When in the temperature for the chip that the duration of runs of the acquired fan or the fan associate at least
When the value of one reaches predetermined threshold value, then the fan is disconnected.
Specifically, when the acquired duration of runs reaching predetermined time threshold, i.e., user can basis
Summary of experience in actual conditions or practice, provides a predetermined time threshold, when fan is according to pre-
After fixed rotating speed operation a period of time so that when unpluging the operation of fan and reaching a safe range, then may be used
To disconnect the connection of the fan, that is, decontrol the mechanical valve or magnetic valve of the fan.
Can also be when the temperature of the chip of acquired association reach predetermined time threshold, i.e., user can
With the summary of experience in actual conditions or practice, a predetermined temperature threshold is provided, works as fan
After predetermined rotating speed operation a period of time so that when unpluging the operation of fan and reaching a safe range,
The connection of the fan can be then disconnected, that is, decontrols the mechanical valve or magnetic valve of the fan.
By when in the temperature of the duration of runs of the acquired fan or the chip of fan association
It is simple to operate when the value of at least one reaches predetermined threshold value, it provide the user conveniently.
Further, on the basis of above-described embodiment, the state value of the fan alarm is obtained, works as institute
When the value of acquisition reaches predetermined threshold value, then prompting connects the warning message of the fan, including：
Obtain at least one in the temperature of the turn-off time of the fan or the chip of fan association
Value, reach predetermined threshold value when the turn-off time of the acquired fan or the temperature of chip of association
When, then prompting connects the warning message of the fan.
Specifically, the major function of fan is to carry out cooling processing to the chip in equipment, when fan is pulled out
After going out, it is also desirable to assess the equipment safety state after the fan is extracted, that is, obtain fan alarm
State value, the especially turn-off time in fan, equipment still operates always, and this when needs
Influence caused by being run after fan is extracted on equipment, that is, the state value of monitoring fan alarm are monitored,
The state value can be monitored in the turn-off time value of the fan or the temperature of the chip of fan association extremely
The value of one item missing, wherein, in actual use, it is necessary to obtain the fan after fan is pulled out
The state value of alarm, it is to obtain equipment actual measurement environment temperature+equipment maximum temperature rise, when fan is report
During alert state, that is, fan extract after temperature upper limit (equipment maximum temperature), for equipment most
Big temperature rise, it is that equipment is subtracted into environment temperature at that time in the maximum temperature that situation about not damaging is wanted can bear
Degree, as equipment maximum temperature rise, for example：Surveying the maximum temperature in the case that equipment is not damaged is
115 DEG C, laboratory environment at that time is 25 DEG C, then maximum temperature rise is exactly 90 DEG C, then fan is alarmed
State value be " actual measurement+90 DEG C of environment temperature ".Therefore, it is understood that after extraction, it is associated the fan
The upper limit threshold of maximum temperature, i.e. temperature warning that can reach without in the case of in fan of chip,
And the data returned according to the collection of system temperature acquisition module carry out what analysis was got, when in use, if
Meter person or user need to input the highest temperature that each chip normal work can bear in the control module
Degree, this temperature can be calculated by junction temperature and thermal resistance, be had in chip handbook in detail
Introduce.Designer in design system, verified by testing the temperature sensor being internally integrated or
When the temperature sensor of person's independence reaches a certain temperature value, the junction temperature reaches the upper limit of chip normal work,
This is the upper limit threshold that the temperature of sensor is fan temperature warning.When system temperature acquisition module gathers
When some the chip temperature data returned reach this temperature value, control module outputting alarm signal, wind
Fan alarm module to start working, send a series of alarm operations such as sound and light alarm, prompt user's now system
It is unstable, need in time to turn back to fan.Certainly, the upper limit threshold in actual mechanical process can increase
Add some surpluses, so give some times of user, such as ceiling temperature is reduced by 5 DEG C, so exist
During also 5 DEG C arrival System on Chip/SoC cisco unity malfunctions, fan will alarm, and user can be at this section
Between fan is turned back to.
It should be noted that setting and the method for upper limit threshold recited above, are a kind of examples, it is any
The technical staff in thermal design either related work post may be similar by simply changing or proposing
Operation, the design includes but is not limited to the setting of said temperature higher limit, the calculating for other method from
And the setting of temperature upper limit is realized, also it is fundamentally the maximum temperature of initialization system normal work.
When acquired turn-off time reaching predetermined time threshold, the threshold value can be according to actual feelings
Summary of experience in condition or practice, provides a predetermined time threshold, has when the time that fan is extracted
After a period of time, if the temperature in equipment reaches a meeting damage equipment, it can prompt to alarm
Information connects the fan.
When the temperature of the chip of acquired association reaches predetermined temperature threshold, the threshold value can be root
According to the summary of experience in actual conditions or practice, a predetermined temperature threshold is provided, when fan is extracted
Time for some time after, can be with if the temperature in equipment reaches meeting damage equipment
Prompting warning message connects the fan.
At least one of in the temperature of the chip associated by the turn-off time or the fan that obtain fan
Value is monitored, if the value of the alarm condition reaches a meeting damage equipment, provides warning message
Reminding user to turn back to the fan in time, so as to ensure the security of equipment.
Fig. 3 is a kind of structural representation of the device embodiment one of fan control provided by the invention, is such as schemed
Shown in 3, the device includes：Indicating module 10, control module 20 and switch module 30；
The indicating module 10 is arranged to obtain the configured information that user operates fan；
When the control module 20 is arranged to determine the configured information to disconnect the fan, preset described
The rotating speed of fan, obtain the state value for disconnecting the fan；
The switch module 30 is arranged to when acquired value reaches predetermined threshold value, then disconnect the wind
Fan.
A kind of device of fan control provided in an embodiment of the present invention, the device include：Indicating module, control
Molding block and switch module, the indicating module are arranged to obtain the configured information that user operates fan, institute
State control module to be arranged to determine that the configured information is when disconnecting the fan, preset turning for the fan
Speed, obtains the state value for disconnecting the fan, and the switch module is arranged to when acquired value reaches pre-
During fixed threshold value, then the fan is disconnected.So by fan when extract operation, first obtain disconnected
The state value of the fan is opened, the state value is the safe condition of relation equipment, only when the state value is in
The operation that fan can be just plugged when safe, so as to improve the peace in fan withdrawal process
Whole step.
Further, as shown in figure 3, on the basis of above-described embodiment, the device also includes：Alarm
Module 40；
The alarm module 40 is arranged to obtain the state value of the fan alarm, when acquired value reaches
During predetermined threshold value, then prompting connects the warning message of the fan.
Device provided in an embodiment of the present invention, above method embodiment can be performed, its realization principle and skill
Art effect is similar, will not be repeated here.
Further, on the basis of above-described embodiment, the control module 20, which is arranged to obtain, disconnects institute
The state value of fan is stated, is referred to：
The control module 20 be arranged to obtain the fan the duration of runs or the fan association
The value of at least one in the temperature of chip.
Device provided in an embodiment of the present invention, above method embodiment can be performed, its realization principle and skill
Art effect is similar, will not be repeated here.
Further, on the basis of above-described embodiment, the switch module 30 is arranged to when acquired
When value reaches predetermined threshold value, then the fan is disconnected, is referred to：
The switch module 30 is arranged to the duration of runs or the fan when the acquired fan
When the value of at least one in the temperature of the chip of association reaches predetermined threshold value, then the fan is disconnected
Device provided in an embodiment of the present invention, above method embodiment can be performed, its realization principle and skill
Art effect is similar, will not be repeated here.
Further, on the basis of above-described embodiment, the alarm module 40 is arranged to obtain the wind
The value of alarm condition is fanned, when acquired value reaches predetermined threshold value, then prompting connects the fan
Warning message, refer to：
The alarm module 40 be arranged to obtain the fan turn-off time or the fan association
The value of at least one in the temperature of chip, when the acquired turn-off time of the fan or the core of association
When the temperature of piece reaches predetermined threshold value, then prompting connects the warning message of the fan.
Device provided in an embodiment of the present invention, above method embodiment can be performed, its realization principle and skill
Art effect is similar, will not be repeated here.
Fig. 4 is a kind of structural representation of the device embodiment two of fan control provided by the invention, is such as schemed
Shown in 4, the actual use of the device in a device will be described in detail below, it is specific as follows：
The equipment includes：Fan control module 400, at least one blower module 41, fan-driving module
42nd, fan detection module 43 in place, system temperature acquisition module 44, fan-status indicator lamp 45, wind
Fan alarm module 46, fan plug button 47 and fan mechanical lock 48.
Wherein, the major function of fan plug button 47 is that the idea that user is wanted to plug fan informs control
Molding block.It is realized mainly by the transmission switching value such as button or low and high level change or is mould
Intend change of signal etc. to inform fan control module 400.
Button or switch described in the present embodiment, can be button, button, ship type switch, dial-up etc.
A series of devices that fan control module 400 can be given to provide switching value (low and high level change), simultaneously
It can be to provide PWM, feeding-dog signal, level upset, mode bus, analog signal etc. that can also be
The device of signal, but it is not limited to above-mentioned device.
The position of the switch is in the front panel of fan, but is not limited to front panel position, can be to appoint
Where just the position of guest operation.
System temperature acquisition module 44 refers to the temperature sensor that Primary Component integrates inside device systems
The temperature acquisition system formed with temperature sensor (special temperature sensor) independent in internal system
System, the temperature acquisition system includes the one or two of described two drainage patterns, but simultaneously not only limits
In two kinds of described acquisition modes, in addition to other can be with the other modes of acquisition system internal temperature information.
The major function of fan-driving module 42 is that stable power supply is provided for fan work, and receives wind
The switch of control signal control fan and the rotating speed of fan that fan control module 400 sends over, it is described
It is function of unity to receive the function that fan control module 400 is sent in the function and fan board of signal, actual
The function can be selected during operation in a certain module that is placed in two modules.
Fan-driving module 42 can be special fans drive chip or triode or
MOS individually or compound tube composition drive circuit, but be not limited to above-mentioned drive scheme.
The major function of fan-status indicator lamp 45 is to indicate the state that fan prepares at present, works as fan control
After module 400 have received the operation of fan plug button, fan is entered in set-up procedure, the indicator lamp
It is mainly used for showing the state that fan is now present, user is understood fan current state.
Fan-status indicator lamp 45 includes " fan preparation OK " and " during fan prepares " two instruction units
Point, two modules can be realized by way of indicator lamp, and actual use situation is seen in color definition, still
It again may be by some persons easy to use and examine to give user's instruction, such as sound, electric signal otherwise
(signal can be PWM, can use for reference feeding-dog signal, can be level upset, can be bus
Pattern, can be analog signal etc., the signal includes but is not limited to above-mentioned signal), pass through display
Display etc., the module include but is not limited to described mode.
The effect of fan mechanical lock (or electromagnetic lock) 48 is to limit the extraction of fan, and its normality is prevention
Fan is extracted, and after the signal of release fan of fan control module 400 is received, is discharged fan, is made
Fan can be extracted normally.
This module can be realized by way of mechanical switch, and using electromagnetic relay, coil or its
His module carrys out the unlocking of control machinery lock.This module can also directly control fan by electromagnetic relay
" forbidding extracting " and " extraction " two states.The module includes " prohibiting for above two control fan
Only extraction " and the mode of " extraction ", but it is not limited in both modes.
Fan detection module 43 in place may determine that whether fan is in place, and can finally be provided to fan control mould
The electric signal of block 400.
Can be by increasing detection signal in place in limit switch, button, mechanical structure control circuit, plate
(signal can be PWM, can use for reference feeding-dog signal, can be level upset, can be bus
Pattern, can be analog signal etc., the signal includes but is not limited to above-mentioned signal) etc. it is described to realize
The function of module, but it is not limited in the several ways described by this document.
Blower module 41 is the system radiating module of fan composition, can be single fan, or
The combination of multi-fan, equally can also be fan board for being combined into multi-fan etc..The module can increase
Add change-over circuit of the signal of fan control module 400 etc., but not the design of this module is necessary, equally,
The design includes above-mentioned fan and combination, but is not limited to described by the design.
Fan alarm module 46 is made up of sound alarm module and light alarm module, is mainly used in when fan is long-term
Alarm function after being pulled out.When fan is extracted for a long time, or system temperature acquisition module is monitored
Temperature has reached set threshold value, then sends sound and light alarm.
This module includes the one or two of described sound and light alarm module, but be not restricted to that described two
Alarm, alarm can also be provided to user by other means, such as (signal can by electric signal
Think PWM, feeding-dog signal can be used for reference, can be level upset, can be mode bus, can be with
For analog signal etc., the signal includes but is not limited to above-mentioned signal), shown by configuration software, led to
Cross operation such as display monitoring and pop-up etc..
The processor of fan control module 400 can be CPU, MCU, FPGA, CPLD, SOC,
Either one kind of controller or the combination of a series of processor such as ARM, but it is not limited to described class
Type.Fan control module 400 is the control axis of whole fan board, is mainly responsible for following functions：
(1) the interrupt signal processing of fan key is plugged
The signal that collection fan plug button 47 sends over, and start to start fan plug terminal standard in time
Standby operation.
(2) temperature data acquisition and processing
The Primary Component temperature and independent temperature sensor of internal system are monitored, and by collection
Temperature data is handled and analyzed, and performs the speed adjustment strategy of correlation.Acquisition mode can pass through inquiry
The register of internal system Primary Component, data of temperature sensor of inquiry system internal independence etc., but
It is not limited to this several acquisition mode.
(3) rotation speed of the fan control and the setting of fan speed-regulating strategy
By being supplied to the control signal of fan-driving module 42, so as to adjust the rotating speed of fan, the signal can
Think PWM, can be feeding-dog signal, can be level upset, can be mode bus, Ke Yiwei
Analog signal etc., the signal include but is not limited to above-mentioned signal.
The speed adjustment strategy that user can carry out fan according to itself requirement to system radiating is set, and is typically existed
When Primary Component temperature is relatively low in system, low wind speed can be taken to rotate, when Primary Component temperature in system
Degree takes higher wind to rotate compared with Gao Shihui, and centre can have multiple gears, or take fan linear
Change, to realize the temperature of Primary Component in dynamic adjusting system.
(4) the temperature warning threshold value setting that fan is extracted
The temperature warning threshold value that fan is extracted needs to be calculated according to each system.
For the lower limit of temperature warning threshold value, during design, first it is to be understood that can be reached in the case of fan full speed
The minimum temperature arrived, it is to obtain in actual use, it is necessary to obtain the state value for disconnecting the fan
The equipment is taken to survey environment temperature+equipment minimal temperature rise, when fan prepares OK state, that is, wind
(equipment minimum temperature) is limited at temperature before fan extraction, is by equipment for the minimal temperature rise of equipment
The minimum temperature that can reach in the case of fan full speed subtracts the environment temperature of equipment at that time, as equipment
Equipment minimal temperature rise in the case of full speed.Designer or user will limit at a temperature of each photograph to be stored in
In fan control module, and compared with the data that the collection of system temperature acquisition module is returned, when being
When all temperature that system temperature collect module collection is returned reach this lower limit, fan indicator shows fan
Prepare OK, control module decontrols mechanical lock, and user can extract fan.Certain user can be according to certainly
Oneself needs and experience, the temperature threshold more slightly higher than this temperature is set, increases some surpluses, so as to add
The operation of fan is pulled out soon, has no effect on use.
For the upper limit threshold of temperature warning, and the data returned according to the collection of system temperature acquisition module
Carry out what analysis was got, in actual use, it is necessary to obtain fan alarm after fan is pulled out
State value, be obtain the equipment actual measurement environment temperature+equipment maximum temperature rise, when fan for alarm
During state, that is, the temperature upper limit (equipment maximum temperature) after fan extraction, for the maximum temperature of equipment
Rise, be that equipment is subtracted into environment temperature at that time in the maximum temperature that situation about not damaging is wanted can bear,
As equipment maximum temperature rise, when in use, designer or user need to input in the control module each
The maximum temperature that chip normal work can bear, this temperature are can be carried out by junction temperature and thermal resistance
Calculate, detailed introduction is had in chip handbook.Designer is tested in design system by testing
When the temperature sensor or independent temperature sensor being internally integrated described in card reach a certain temperature value, institute
The upper limit that junction temperature reaches chip normal work is stated, this is that the temperature of sensor is the upper of fan temperature warning
Limit threshold value.When some chip temperature data that the collection of system temperature acquisition module is returned reach this temperature
During value, control module outputting alarm signal, fan alarm module is started working, and sends sound and light alarm etc. one
Serial alarm operation, prompt user that now system is unstable, need in time to turn back to fan.Certainly,
Upper limit threshold in actual mechanical process can increase some surpluses, so give some times of user, example
Ceiling temperature is such as reduced by 5 DEG C, so when reaching System on Chip/SoC cisco unity malfunction for also 5 DEG C, fan
It will alarm, user can turn back to fan in this period.
The setting of bound threshold value recited above and method, it is a kind of example, any thermal design or phase
The technical staff for closing work position may be by simply changing or proposing similar operation, the design
The including but not limited to setting of said temperature upper lower limit value, calculating for other method is so as to realizing temperature
The setting of bound, also it is fundamentally the minimum temperature and maximum temperature of initialization system normal work.
(5) export fan and extract the alarm signal of time-out, and control alarm module to work, cancel alarm.
When fan control module 400 detects that system temperature reaches the temperature warning upper limit, alarm letter is sent
Number, the signal can be PWM, can use for reference feeding-dog signal, can be level upset, can be total
Ray mode, can be analog signal etc., the alarm signal includes but is not limited to the mode.Work as fan
Control module 400 detects that fan is in place, i.e., fan has normally been inserted into fan groove position, fan control
Module 400 removes fan alarm signal.
(6) fan electromagnetic lock is controlled, plug fan operation is limited
When fan reaches the lower limit of described system temperature alarm, that is to say, that bright system has reached can
During pulling out the state of fan, the output control signal of fan control module 400, release fan allows user
Normal to extract fan, mechanical lock always is for lock-out state in the case of other, it is impossible to extracts fan.
(7) whether fan is judged in place
Fan control module 400 checks fan detection module in place at any time, when fan detection module 43 in place
Output signal can be normally provided or prompt fan control module 400 by mechanical module, travel switch etc.
When fan is in place, it is normal in place to judge fan, otherwise then shows fan damage or not in place.
It should be noted that the device indicating module 10 can be arranged in fan plug button 47, control
Molding block 20 can be arranged in fan control module 400, and switch module 30 can be arranged on fan machine
In tool lock 48, alarm module can be arranged in fan alarm module 46.
The present embodiment, when extract operation, first obtains the state value for disconnecting the fan by fan, should
State value is the safe condition of relation equipment, only when the state value be in it is safe when just can be to wind
The operation plugged is fanned, so as to improve degree of safety of the fan in withdrawal process so that whole operation
Process is intelligent, efficient, reliable.
Although disclosed herein embodiment as above, described content be only readily appreciate the present invention
And the embodiment used, it is not limited to the present invention.Technology people in any art of the present invention
Member, do not depart from disclosed herein spirit and scope on the premise of, can be in the form of implementation and thin
Any modification and change, but the scope of patent protection of the present invention are carried out on section, still must be with appended right
The scope that claim is defined is defined.
Claims (10)
- A kind of 1. method of fan control, it is characterised in that methods described includes：Obtain the configured information that user operates fan；When determining the configured information to disconnect the fan, the rotating speed of the fan is preset, obtains and disconnects The state value of the fan；When acquired value reaches predetermined threshold value, then the fan is disconnected.
- 2. according to the method for claim 1, it is characterised in that disconnect the fan connection it Afterwards, in addition to：The state value of the fan alarm is obtained, when acquired value reaches predetermined threshold value, is then prompted Connect the warning message of the fan.
- 3. according to the method for claim 1, it is characterised in that obtain the state for disconnecting the fan Value, including：Obtain at least one in the temperature of the duration of runs of the fan or the chip of fan association Value.
- 4. according to the method for claim 3, it is characterised in that when acquired value reaches predetermined During threshold value, then the fan is disconnected, including：When in the temperature for the chip that the duration of runs of the acquired fan or the fan associate at least When the value of one reaches predetermined threshold value, then the fan is disconnected.
- 5. according to the method for claim 2, it is characterised in that obtain the fan alarm condition Value, when acquired value reaches predetermined threshold value, then prompting connects the warning message of the fan, bag Include：Obtain at least one in the temperature of the turn-off time of the fan or the chip of fan association Value, reach predetermined threshold value when the turn-off time of the acquired fan or the temperature of chip of association When, then prompting connects the warning message of the fan.
- 6. a kind of device of fan control, it is characterised in that described device includes：Indicating module, control Module and switch module；The indicating module is arranged to obtain the configured information that user operates fan；When the control module is arranged to determine the configured information to disconnect the fan connection, institute is preset The rotating speed of fan is stated, obtains the state value for disconnecting the fan；The switch module is arranged to when acquired value reaches predetermined threshold value, then disconnect the fan.
- 7. device according to claim 6, it is characterised in that also include：Alarm module；The alarm module is arranged to after the connection of the fan is disconnected, and obtains the fan alarm shape The value of state, when acquired value reaches predetermined threshold value, then prompting connects the warning message of the fan.
- 8. device according to claim 6, it is characterised in that the control module is arranged to obtain The state value of the fan is disconnected, is referred to：The control module is arranged to obtain the duration of runs of the fan or the chip of fan association Temperature at least one of value.
- 9. device according to claim 8, it is characterised in that the switch module is arranged to work as institute When the value of acquisition reaches predetermined threshold value, then the fan is disconnected, is referred to：The switch module is arranged to when the duration of runs of the acquired fan or fan association Chip temperature at least one of value when reaching predetermined threshold value, then disconnect the fan.
- 10. device according to claim 7, it is characterised in that the alarm module is arranged to obtain The value of the fan alarm condition is taken, when acquired value reaches predetermined threshold value, then prompting connects institute The warning message of fan is stated, is referred to：The alarm module is arranged to obtain the turn-off time of the fan or the chip of fan association Temperature at least one of value, when the turn-off time of the acquired fan or the chip of association When temperature reaches predetermined threshold value, then prompting connects the warning message of the fan.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610349171.4A CN107420332A (en) | 2016-05-24 | 2016-05-24 | A kind of method and apparatus of fan control |
| PCT/CN2017/080242 WO2017202152A1 (en) | 2016-05-24 | 2017-04-12 | Fan control method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610349171.4A CN107420332A (en) | 2016-05-24 | 2016-05-24 | A kind of method and apparatus of fan control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107420332A true CN107420332A (en) | 2017-12-01 |
Family
ID=60411003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610349171.4A Withdrawn CN107420332A (en) | 2016-05-24 | 2016-05-24 | A kind of method and apparatus of fan control |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107420332A (en) |
| WO (1) | WO2017202152A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108572708A (en) * | 2018-05-31 | 2018-09-25 | 合肥利元杰信息科技有限公司 | A kind of computer cabinet with automatic dedusting function |
| CN111258849A (en) * | 2020-01-13 | 2020-06-09 | 苏州浪潮智能科技有限公司 | Kernel-mode fan warning method and device applied to switch |
| CN113775607A (en) * | 2021-08-23 | 2021-12-10 | 中联重科股份有限公司 | Control method and control device for hydraulic oil cooling system and processor |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112261840A (en) * | 2020-10-22 | 2021-01-22 | 南京爱奇艺智能科技有限公司 | Self-adaptive method and device based on heat dissipation of mainboard on AR/VR equipment |
| CN113032213A (en) * | 2021-03-24 | 2021-06-25 | 山东英信计算机技术有限公司 | Fan hot plug method, device, equipment and computer readable storage medium |
| CN117750738B (en) * | 2024-02-19 | 2024-05-03 | 山东博舜电源有限公司 | Safety alarm feedback control method for power supply device |
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Also Published As
| Publication number | Publication date |
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| WO2017202152A1 (en) | 2017-11-30 |
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Application publication date: 20171201 |