CN106354241A - Method, system and device for power fail safeguard of data - Google Patents
Method, system and device for power fail safeguard of data Download PDFInfo
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- CN106354241A CN106354241A CN201610777640.2A CN201610777640A CN106354241A CN 106354241 A CN106354241 A CN 106354241A CN 201610777640 A CN201610777640 A CN 201610777640A CN 106354241 A CN106354241 A CN 106354241A
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- fan
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- fan control
- data
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/28—Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
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- Theoretical Computer Science (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
The invention provides a method, a system and a device for power fail safeguard of data. The device comprises a detection unit, a management unit and a fan. The detection unit is used for sending abnormality signals to the management unit after abnormality of an external power source is detected in real time. The management unit is used for generating a target duty ratio carrying first fan control signal and sending the first fan control signal to the fan after the abnormality signals sent by the detection unit are received. The fan is used for adjusting a rotation speed according to the target duty ratio carrying first fan control signal. The method, the system and the device for power fail safeguard of data have the advantage that system power consumption can be quickly reduced after power failure.
Description
Technical field
The present invention relates to field of computer technology, particularly to a kind of power-down protection apparatus of data, system and method.
Background technology
Power down protection is a large amount of technology adopting in highly reliable high-availability system, when drawing because of external power source abnormal electrical power supply
When playing system power failure, system needs to maintain the continuation of a period of time to power, to avoid loss of data causing due to power down etc. to ask
Topic.
For example, the system to data with high reliability request uses ups (uninterruptable power
System, uninterrupted power source): after outside power supply power-fail, system power supply is continued as by ups；Again for example, by standby after system power failure
With battery apparatus, such as bbu (battery backup unit, stand-by power supply group) is internal memory, Memory Controller Hub and non-volatile interior
Deposit power supply.Thus avoiding internal storage data to lose.
But, ups and bbu belongs to battery supply, and the electricity of battery supply storage is limited.Can go out after system power failure
In existing power down flow process, system power dissipation is lasting larger, and notifies fan control chip adjustment fan control letter for system control signal
Number dutycycle, reach fan reduction of speed, will process in system and stop because of the business of system power failure triggering, drive unloading etc. after work
Just trigger, this just accelerates the loss of battery electric quantity, thus causing battery power consumption completely it is impossible to realize data integrity.
Then, how to realize quickly reducing after a power failure system power dissipation problem have to be solved.
Content of the invention
Embodiments provide a kind of power-down protection apparatus of data, system and method, be capable of after a power failure
Quick reduction system power dissipation.
In a first aspect, embodiments providing a kind of power-down protection apparatus of data, this device includes: detection is single
Unit, administrative unit and fan, wherein,
Described detector unit, for after external power source exception is detected, sending abnormal signal to described administrative unit；
Described administrative unit, for, after receiving the described abnormal signal that described detector unit sends, generation carries
First fan control signal of target duty ratio, described first fan control signal is sent to described fan；
Described fan, for carrying the first fan control signal of target duty ratio, adjustment according to receive
Rotating speed.
Preferably, this device further includes: temperature detecting unit and fan control chip, wherein,
Described temperature detecting unit, for real-time detection system temperature, and described system temperature is fed back to described fan
Control chip；
Described fan control chip, the described system temperature for being fed back according to described temperature detecting unit generates the second wind
Fan control signal, and send described second fan control signal to described administrative unit；
Described administrative unit, is further used for when not receiving abnormal signal sending described second fan control signal and sends out
Deliver to described fan.
Preferably, described administrative unit, is further used for receiving the described abnormal signal that described detector unit sends
Afterwards, regulation and control data protection necessity module works on, and the regulation and control inessential module of data protection is closed.
Preferably, described administrative unit, for, after the regulation and control inessential module of described data protection is closed, stopping generating institute
State the first fan control signal carrying target duty ratio, the receive second fan control signal is sent to described wind
Fan.
Preferably, described administrative unit, is further used for carrying the first fan of target duty ratio described in presetting
The described target duty ratio of control signal.
Second aspect, embodiments provides a kind of data cut-off protection system, and this system includes: external power source,
Battery supply and the power-down protection apparatus of any of the above-described described data, wherein,
Described battery supply, for, after outside power supply power-fail, maintenance system completes data backup.
The third aspect, embodiments provides a kind of power-down protection apparatus using any of the above-described described data and enters
The power-off protection method of row data, the method includes:
Detector unit, after external power source exception is detected, sends abnormal signal to administrative unit；
After receiving the described abnormal signal that described detector unit sends, generation carries target and accounts for described administrative unit
First fan control signal of empty ratio, described first fan control signal is sent to fan；
Described fan carries the first fan control signal of target duty ratio according to receive, and adjusts rotating speed.
Preferably, described described administrative unit is after receiving the described abnormal signal that described detector unit sends, raw
Become to carry the first fan control signal of target duty ratio, described first fan control signal sent to fan, comprising:
Described described administrative unit after receiving the described abnormal signal that described detector unit sends, protect by regulation and control data
The necessary module of shield works on, and the regulation and control inessential module of data protection is closed, and generation carries target duty ratio
First fan control signal, described first fan control signal is sent to fan.
Preferably, after receiving the described abnormal signal that described detector unit sends, generation carries described administrative unit
There is the first fan control signal of target duty ratio, described first fan control signal sent to fan, further includes:
Described administrative unit is after receiving the described abnormal signal that described detector unit sends, inessential by data protection
After module is closed, stop described in generating, carrying the first fan control signal of target duty ratio, and fan control will be received
The second fan control signal that chip sends sends to fan.
Preferably, in described detector unit in real time after detection external power source exception, send abnormal signal to administrative unit
Before, further include: described in presetting, carry the described target duty of the first fan control signal of target duty ratio
Than.
Embodiments provide a kind of power-down protection apparatus of data, system and method, real-time by detector unit
Whether detection external power source is abnormal, after external power source exception is detected, can send abnormal signal to administrative unit, and manage list
Unit, after receiving the abnormal signal that detector unit sends, will generate the first fan control signal carrying target duty ratio, and
And send the first fan control signal to fan, fan carries the first wind of target duty ratio according to receive again
Fan control signal, adjusts rotating speed.In the process, after outside abnormity of power supply, administrative unit can receive abnormal signal simultaneously
And directly control fan, can quickly the rotating speed of fan be adjusted, thus reducing the power consumption of fan it is achieved that in power down
Quickly reduce system power dissipation afterwards.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is a kind of structural representation of the power-down protection apparatus of data that one embodiment of the invention provides；
Fig. 2 is the structural representation of the power-down protection apparatus of another kind of data that one embodiment of the invention provides；
Fig. 3 is that a kind of connected mode of the power-down protection apparatus of data that one embodiment of the invention provides is intended to；
Fig. 4 is the connected mode schematic diagram of the power-down protection apparatus of another kind of data that one embodiment of the invention provides；
Fig. 5 is a kind of structural representation of the power down protection system of data that one embodiment of the invention provides；
Fig. 6 is a kind of flow chart of the power-off protection method of data that one embodiment of the invention provides；
Fig. 7 is the flow chart of the power-off protection method of another kind of data that one embodiment of the invention provides.
Specific embodiment
Purpose, technical scheme and advantage for making the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described it is clear that described embodiment is
The a part of embodiment of the present invention, rather than whole embodiments, based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment being obtained on the premise of not making creative work, broadly falls into the scope of protection of the invention.
As shown in figure 1, embodiments providing a kind of power-down protection apparatus of data, this device may include that inspection
Survey unit 101, administrative unit 102 and fan 103, wherein,
Described detector unit 101, for after external power source exception is detected, sending abnormal signal to described administrative unit
102；
Described administrative unit 102, for, after receiving the described abnormal signal that described detector unit 101 sends, generating
Carry the first fan control signal of target duty ratio, described first fan control signal is sent to described fan 103；
Described fan 103, for carrying the first fan control signal of target duty ratio according to receive, adjusts
Turn over speed.
In the embodiment shown in fig. 1, whether abnormal by detector unit real-time detection external power source, outside is being detected
After abnormity of power supply, abnormal signal can be sent to administrative unit, and administrative unit is after receiving the abnormal signal that detector unit sends,
The first fan control signal carrying target duty ratio will be generated, and the first fan control signal is sent to fan, wind
Fan carries the first fan control signal of target duty ratio according to receive again, adjusts rotating speed.In the process, exist
After external power source exception, administrative unit can receive abnormal signal and directly control fan, can be quickly to fan
Rotating speed is adjusted, thus reducing the power consumption of fan it is achieved that quickly reducing system power dissipation after a power failure.
As shown in Fig. 2 in an embodiment of the invention, in order to detecting system temperature, adjust rotation speed of the fan, more preferably
For system cooling, then further arrange: temperature detecting unit 201 and fan control chip 202, wherein,
Described temperature detecting unit 201, for real-time detection system temperature, and described system temperature is fed back to described wind
Fan control chip 202；
Described fan control chip 202, the described system temperature for being fed back according to described temperature detecting unit generates the
Two fan control signals, and send described second fan control signal to described administrative unit；
Described administrative unit 102, is further used for when not receiving abnormal signal sending described second fan control letter
Number send to described fan.
What deserves to be explained is, administrative unit is sent to by the second fan control signal generating fan control chip,
Make administrative unit management and control second fan control signal, make fan control chip direct management and control fan be improved to administrative unit and control wind
Fan.Refer to the unit with function management effect, such as cpld (complex programmable logic as administrative unit
Device, CPLD), fpga (field-programmable gate array, field-programmable gate array
Row).
Using cpld as administrative unit, the second fan control signal of fan control chip output is directly controlled fan and
Second fan control signal of fan control chip output controls fan to be contrasted through administrative unit again.
As for the mode of fan control chip direct management and control fan, the change procedure of system after outside abnormity of power supply, please
With reference to Fig. 3.When after external power source exception, cpld can receive abnormal signal, and regulation and control data protection necessity module works on,
The regulation and control inessential module of data protection is closed；And the management and control for fan, it is different that system level will first detect external power source
Often, simultaneity factor aspect also will process and stop because of the business of system power failure triggering, drive the work such as unloading, and will read current
The temperature of system each temperature detecting point, then notifies fan control chip to adjust fan control signal by system control signal
Dutycycle, reaches fan reduction of speed, the purpose of lower power consumption.This procedures system business is more, and workflow is complicated, and required time is relatively
Long.So that the dutycycle of fan control signal is reduced, thus reducing rotation speed of the fan, reducing work(
Consumption.
And in the present embodiment, the second fan control signal of fan control chip output, control again through administrative unit
Fan, after outside abnormity of power supply, the change procedure of system, refer to Fig. 4.When external power source is abnormal, cpld receives exception
After signal, same regulation and control data protection necessity module works on, and the regulation and control inessential module of data protection is closed, but this
When cpld can take over fan control signal management and control power, thus generate carry target duty ratio first fan control letter
Number, stop the transmission of the second fan control signal, reach the purpose reducing rotation speed of the fan at once.
In an embodiment of the invention, in order to ensure the integrity of data after outside abnormity of power supply, whole storage system
System will walk power-down data protection flow process, and in order to reduce the consumption of battery electric quantity as far as possible, increase battery and power duration, need
The module not affecting data integrity in system is closed as soon as possible, retains module necessary to whole data protection flow process,
Therefore, described administrative unit, is further used for, after receiving the described abnormal signal that described detector unit sends, regulating and controlling data
The necessary module of protection works on, and the regulation and control inessential module of data protection is closed.
As for the inessential module of data protection be close in outside abnormity of power supply after do not have influential mould to data protection
Block, such as usb, network, display and sas.
In embodiments of the present invention, described system can be storage system and storage product, and described data protection can
To be the data processing cpu, it is saved in hard disk.
In an embodiment of the invention, after external power source exception, cpu can reduce frequency reducing power consumption, and data is protected
Protect inessential module to have been switched off, the power consumption of whole system is decreased, this when can adjust according to actual radiating requirements
Rotation speed of the fan radiates to system.Therefore, described administrative unit, for closing in the regulation and control inessential module of described data protection
Afterwards, stop carrying the first fan control signal of target duty ratio described in generating, by the receive second fan control signal
Send to described fan.
What deserves to be explained is, according to actual radiating requirements, fan control chip generates to carry and reaches radiating requirements system
Second fan control signal of dutycycle, because now the power consumption of whole system is decreased, can improve the power consumption of fan, carry
High rotating speed, will not be because the raising of fan power consumption produces overcurrent protection, and administrative unit can be directly by the second fan control
Signal is sent to fan, in other words, as fan control chip has management and control power to fan.
In an embodiment of the invention, in order to, after outside abnormity of power supply, quickly reduce the power consumption of fan, need to drop
The dutycycle of low fan control signal.Therefore, in advance the first fan control signal is configured.Described administrative unit, enters
One step be used for preset described in carry target duty ratio the first fan control signal described target duty ratio.
What deserves to be explained is, the control signal of fan is a square wave it is simply that one low level of a high level is circulated
Transmission.Dutycycle refers to the ratio shared in whole waveform of waveform of high level.For example: dutycycle is 50%, then permissible
5 milliseconds of high level output of setting, then 5 milliseconds of low level output, then 5 milliseconds of high level output again, then low level 5 milli again
Second, so circulation is gone down.
Preset target duty ratio as administrative unit, can be that the code carrying target duty ratio is downloaded to
In cpld, after cpld receives abnormal signal, cpld will be according to the code output the carrying target duty ratio downloaded
One fan control signal.For example: target duty ratio is 30%, then cpld exports the first fan control signal according to high level 3 milli
Second, the such circulation output waveform of 7 milliseconds of low level.
The contents such as the information exchange between each unit in said apparatus, implementation procedure, due to implementing with the inventive method
Example is based on same design, and particular content can be found in the narration in the inventive method embodiment, and here is omitted.
As shown in figure 5, embodiments providing a kind of power down protection system of data, this system includes: external electrical
The power-down protection apparatus 503 in source 501, battery supply 502 and the data described in any of the above-described embodiment, wherein,
Described battery supply 502, for, after external power source falls 501 electricity, maintenance system completes data backup.
External power source for system is abnormal, is unforeseen in most cases it is impossible to make external power source in advance
Abnormal preparation, is thus likely to cause the data processing and loses it is therefore desirable to battery in the case of not backing up
Power supply provides power supply for system after outside abnormity of power supply, and normal operation of maintenance system completes data backup.
As shown in fig. 6, embodiments providing a kind of power-down protection apparatus using any of the above-described described data
Carry out the power-off protection method of data, the method may comprise steps of:
Step 601: detector unit, after external power source exception is detected, sends abnormal signal to administrative unit.
What deserves to be explained is, detector unit is carried out in real time for the detection of external power source, as long as external power source occurs
Abnormal, detector unit will send abnormal signal immediately to administrative unit.As for administrative unit related content in above-mentioned data
The embodiment of power-down protection apparatus in illustrated, repeat no more in this present embodiment.
Step 602: after receiving the described abnormal signal that described detector unit sends, generation carries described administrative unit
There is the first fan control signal of target duty ratio, described first fan control signal is sent to fan.
In the present embodiment, fan is to be regulated and controled by the dutycycle of the first fan control signal.User can root
The target duty ratio of the first fan control signal is set according to demands of individuals, for example: target duty ratio can be 20%, 25%,
50% etc..Explain in embodiment as the power-down protection apparatus in above-mentioned data for other related contents of target duty ratio
State, repeat no more in this present embodiment.
Step 603: described fan carries the first fan control signal of target duty ratio according to receive, adjusts
Turn over speed.
What deserves to be explained is, by target duty than regulation and control, target duty is faster than the rotating speed of more big fan for the rotating speed of fan.
In an embodiment of the invention, the first fan control signal not only can be received for administrative unit and control wind
Fan, but also being capable of other modules in control system.Described described administrative unit is receiving what described detector unit sent
After described abnormal signal, generate the first fan control signal carrying target duty ratio, by described first fan control signal
Send to fan, comprising:
Described described administrative unit after receiving the described abnormal signal that described detector unit sends, protect by regulation and control data
The necessary module of shield works on, and the regulation and control inessential module of data protection is closed, and generation carries target duty ratio
First fan control signal, described first fan control signal is sent to fan.
What deserves to be explained is, the electricity of battery supply is limited after all, in order to ensure the integrity of data, whole storage system
Walk power-down data protection flow process, and in order to reduce the consumption of battery electric quantity as far as possible, increase battery and power duration, need by
The module not affecting data integrity in system is closed as soon as possible, retains module necessary to whole data protection flow process,
It is exactly in the present embodiment, administrative unit regulation and control data protection necessity module works on, and the regulation and control inessential module of data protection is entered
Row is closed.
In an embodiment of the invention, described administrative unit is receiving the described abnormal letter that described detector unit sends
After number, generate the first fan control signal carrying target duty ratio, described first fan control signal sent to fan,
Further include:
Described administrative unit is after receiving the described abnormal signal that described detector unit sends, inessential by data protection
After module is closed, stop described in generating, carrying the first fan control signal of target duty ratio, and fan control will be received
The second fan control signal that chip sends sends to fan.
What deserves to be explained is, after the inessential module of data protection is closed, the power consumption of whole system is decreased.Now may be used
To improve the power consumption of fan, and overcurrent protection will not be produced because of the raising of fan power consumption.Therefore now administrative unit is no longer
Generate the first fan control signal, and fan control chip can according to the actual radiating requirements of system generate carry reach scattered
Second fan control signal of heat demand dutycycle, the second fan control signal directly can be sent to fan by administrative unit,
Regulation and control rotation speed of the fan.In other words, as after the inessential module of data protection is closed, fan control chip has pipe to fan
Control power, needs rotation speed of the fan according to actual radiating.
In an embodiment of the invention, in order to make administrative unit generate the first fan carrying target duty ratio
Control signal, need described detector unit in real time detection external power source exception after, send abnormal signal to administrative unit it
Before, further include: described in presetting, carry the described target duty ratio of the first fan control signal of target duty ratio.
Administrative unit is preset, is illustrated with cpld, can be to carry target duty ratio by writing
Code, then this code is downloaded in cpld, after cpld receives abnormal signal, code in cpld just can be according to
The target duty setting is than output the first fan control signal.
As a example below using cpld as administrative unit, and the connected mode of data cut-off protection device shown in by Fig. 4,
The power-off protection method of the data of the embodiment of the present invention is described in detail.
As shown in fig. 7, one embodiment of the invention provides a kind of power-off protection method of data, the method can include
Following steps:
Step 701: preset administrative unit and generate the described of the first fan control signal carrying target duty ratio
Target duty ratio.
The first fan control signal carrying target duty ratio is used to after outside abnormity of power supply adjust fan power consumption
, target duty is less than the power consumption of more small fan, and the rotating speed of fan is also slower.Carry target duty ratio by writing
Code, then downloads to this code in cpld, completes presetting of target duty ratio.For example: target duty is than for 40%.
Step 702: detector unit, after external power source exception is detected, sends abnormal signal to administrative unit.
Detector unit can be monitored to external power source in real time, and after external power source exception, detector unit will be sent out immediately
Send abnormal signal.
Step 703: described administrative unit regulation and control data protection necessity module works on, and regulates and controls the inessential mould of data protection
Block is closed, and carries the first fan control signal of target duty ratio described in generation, by described first fan control
Signal sends to fan.
In the present embodiment, cpld is as administrative unit, after receiving abnormal signal, in order to ensure the complete of data
Property, and in order to reduce the consumption of battery electric quantity as far as possible, increasing battery powers duration, needs not affect data in system
The inessential module of data protection of integrity is closed as soon as possible, retains data protection necessary to whole data protection flow process necessary
Module.Such as cpld controls the inessential modules of data protection such as usb, network, display and sas to close as early as possible.
After cpld receives abnormal signal, according to presetting and write the first fan that cpld has target duty ratio
The code of control signal, cpld can be immediately generated the first fan control signal carrying target duty ratio.
Step 704: described fan carries the first fan control signal of target duty ratio according to receive, adjusts
Turn over speed.
In the present embodiment, target duty is than for 40%, and before outside abnormity of power supply, the duty of fan control signal
Than for 90%.After fan receives the first fan control signal, reduce rotation speed of the fan immediately, reduce the power consumption of fan.
Step 705: after the inessential module of described data protection is closed, stop carrying the of target duty ratio described in generating
One fan control signal, and the second fan control signal receiving the transmission of fan control chip is sent to fan.
After the inessential module of data protection is closed, the power consumption of whole system is decreased.Fan now can be improved
Power consumption, and overcurrent protection will not be produced because of the raising of fan power consumption.Therefore now administrative unit does not regenerate the first fan
Control signal, and fan control chip can generate according to the actual radiating requirements of system and carry and reach radiating requirements dutycycle
The second fan control signal, the second fan control signal directly can be sent to fan, regulate and control rotation speed of the fan by cpld.Change sentence
Talk about it is simply that after the inessential module of data protection is closed, fan control chip has management and control power to fan, according to actual radiating
Need rotation speed of the fan.In the present embodiment, occur as soon as after the inessential module of data protection is closed, temperature detecting unit system
System ambient temperature, fan control chip generates the second fan control signal that dutycycle is 65%, so that rotation speed of the fan is improved again.
Step 706: fan, according to the second fan control signal receiving, adjusts rotating speed.
To sum up, each embodiment of the present invention at least has the advantages that
1st, in embodiments of the present invention, whether abnormal by detector unit real-time detection external power source, outside is being detected
After abnormity of power supply, abnormal signal can be sent to administrative unit, and administrative unit is after receiving the abnormal signal that detector unit sends,
The first fan control signal carrying target duty ratio will be generated, and the first fan control signal is sent to fan, wind
Fan carries the first fan control signal of target duty ratio according to receive again, adjusts rotating speed.In the process, exist
After external power source exception, administrative unit can receive abnormal signal and directly control fan, can be quickly to fan
Rotating speed is adjusted, thus reducing the power consumption of fan it is achieved that quickly reducing system power dissipation after a power failure.
2nd, in embodiments of the present invention, by the second fan control signal of fan control chip production is sent to management
Unit, makes administrative unit control generation and the transmission of the first fan control signal and the second fan control signal, thus controlling wind
The rotating speed of fan, and the power of fan, can be adjusted to the rotating speed of fan in outside abnormity of power supply, immediately thus reducing
The power consumption of system.After can effectively preventing because of external power source exception, battery supply is pulled up a horse when taking over power supply, and machine system is also normal
Run, power consumption is larger, battery sparks the excessive battery from overcurrent protection leading to of electric current, reaches and prevents system exception from shutting down,
And prevent the purpose of loss of data
3rd, in embodiments of the present invention, by, after outside abnormity of power supply, administrative unit regulates and controls data protection necessity module
Work on, and the regulation and control inessential module of data protection is closed.So decrease the electricity of battery supply as far as possible
Consume, increased the power supply duration of battery supply, ensure that the power down protection flow process of data completes, make data backup completely,
It is effectively protected the integrity of data.
4th, in embodiments of the present invention, after closing in the inessential module of data protection, administrative unit stops generating institute
State the first fan control signal carrying target duty ratio, the receive second fan control signal is sent to described wind
Fan, can make fan control chip adjust rotation speed of the fan according to system radiating demand, reach system radiating demand.
5th, in embodiments of the present invention, by pre-set program being carried out to administrative unit so as to can generate with use
First fan control signal of the target duty ratio that family oneself sets, can so as to be fixed on the dutycycle of user oneself setting
The rotating speed of quick control fan, changes the power consumption of fan.
It should be noted that herein, such as first and second etc relational terms are used merely to an entity
Or operation is made a distinction with another entity or operation, and not necessarily requires or imply exist between these entities or operation
Any this actual relation or order.And, term " inclusion ", "comprising" or its any other variant are intended to non-
The comprising of exclusiveness, so that including a series of process of key elements, method, article or equipment not only include those key elements,
But also include other key elements being not expressly set out, or also include being consolidated by this process, method, article or equipment
Some key elements.In the absence of more restrictions, the key element being limited by sentence " including ", does not arrange
Remove and also there is other same factor in the process including described key element, method, article or equipment.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can be passed through
Completing, aforesaid program can be stored in the storage medium of embodied on computer readable the related hardware of programmed instruction, this program
Upon execution, execute the step including said method embodiment；And aforesaid storage medium includes: rom, ram, magnetic disc or light
Disk etc. is various can be with the medium of store program codes.
Finally it should be understood that the foregoing is only presently preferred embodiments of the present invention, it is merely to illustrate the skill of the present invention
Art scheme, is not intended to limit protection scope of the present invention.All any modifications made within the spirit and principles in the present invention,
Equivalent, improvement etc., are all contained in protection scope of the present invention.
Claims (10)
1. a kind of power-down protection apparatus of data are it is characterised in that include: detector unit, administrative unit and fan, wherein,
Described detector unit, for after external power source exception is detected, sending abnormal signal to described administrative unit；
Described administrative unit, for, after receiving the described abnormal signal that described detector unit sends, generating and carrying target
First fan control signal of dutycycle, described first fan control signal is sent to described fan；
Described fan, for carrying the first fan control signal of target duty ratio according to receive, adjusts rotating speed.
2. device according to claim 1 is it is characterised in that further include: temperature detecting unit and fan control core
Piece, wherein,
Described temperature detecting unit, for real-time detection system temperature, and described system temperature is fed back to described fan control
Chip；
Described fan control chip, the described system temperature for being fed back according to described temperature detecting unit generates the second fan control
Signal processed, and send described second fan control signal to described administrative unit；
Described administrative unit, be further used for when not receiving abnormal signal sending described second fan control signal send to
Described fan.
3. device according to claim 2 it is characterised in that
Described administrative unit, is further used for, after receiving the described abnormal signal that described detector unit sends, regulating and controlling data
The necessary module of protection works on, and the regulation and control inessential module of data protection is closed.
4. device according to claim 3 it is characterised in that
Described administrative unit, for, after the regulation and control inessential module of described data protection is closed, stopping carrying mesh described in generation
First fan control signal of mark dutycycle, the receive second fan control signal is sent to described fan.
5. according to the arbitrary described device of Claims 1-4 it is characterised in that
Described administrative unit, is further used for carrying the institute of the first fan control signal of target duty ratio described in presetting
State target duty ratio.
6. a kind of power down protection system of data is it is characterised in that include: external power source, battery supply and right 1 to 5 are arbitrary
The power-down protection apparatus of described data, wherein,
Described battery supply, for, after outside power supply power-fail, maintenance system completes data backup.
7. a kind of power-down protection apparatus using the arbitrary described data of claim 1 to 5 carry out the power-off protection method of data,
It is characterized in that, comprising:
Detector unit, after external power source exception is detected, sends abnormal signal to administrative unit；
Described administrative unit, after receiving the described abnormal signal that described detector unit sends, generates and carries target duty ratio
The first fan control signal, described first fan control signal is sent to fan；
Described fan carries the first fan control signal of target duty ratio according to receive, and adjusts rotating speed.
8. method according to claim 7 is it is characterised in that described described administrative unit is receiving described detection list
After the described abnormal signal that unit sends, generate the first fan control signal carrying target duty ratio, by described first fan
Control signal sends to fan, comprising:
, after receiving the described abnormal signal that described detector unit sends, regulation and control data protection must for described described administrative unit
Want module to work on, the regulation and control inessential module of data protection is closed, and generation carries the first of target duty ratio
Fan control signal, described first fan control signal is sent to fan.
9. method according to claim 6 is it is characterised in that described administrative unit is receiving described detector unit transmission
Described abnormal signal after, generate and carry the first fan control signal of target duty ratio, described first fan control is believed
Number send to fan, further include:
Described administrative unit after receiving the described abnormal signal that described detector unit sends, by inessential for data protection module
After closing, stop described in generating, carrying the first fan control signal of target duty ratio, and fan control chip will be received
The second fan control signal sending sends to fan.
10. according to the arbitrary described method of claim 7 to 9 it is characterised in that detecting outside in real time in described detector unit
After abnormity of power supply, send abnormal signal to before administrative unit, further include: described in presetting, carry target duty ratio
The first fan control signal described target duty ratio.
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| CN201610777640.2A CN106354241A (en) | 2016-08-31 | 2016-08-31 | Method, system and device for power fail safeguard of data |
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