CN102467943A - Electronic device and method for preventing hard disc from operating on same resonance point with same - Google Patents
Electronic device and method for preventing hard disc from operating on same resonance point with same Download PDFInfo
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- CN102467943A CN102467943A CN201010547788XA CN201010547788A CN102467943A CN 102467943 A CN102467943 A CN 102467943A CN 201010547788X A CN201010547788X A CN 201010547788XA CN 201010547788 A CN201010547788 A CN 201010547788A CN 102467943 A CN102467943 A CN 102467943A
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Abstract
The invention discloses a method for preventing a hard disc from operating on a same resonance point, comprising: obtaining an acceleration speed value by an acceleration speed sensing module when the hard disc is operating, and converting the obtained acceleration speed value simulation data into a digital signal by an analog to digital converter after the acceleration speed sensing module obtains the acceleration speed value; producing a vibration strength for the operating hard disc from the digital signal by the algorithmic calculation; giving a resonance alarm when the vibration strength is bigger than the preset vibration range, and stopping access and power supply for the hard disc. The invention also provides an electronic device for executing the method. The electronic device and the method for preventing the hard disc from operating on the same resonance point with the same can prevent the hard disc from rotating in a resonant phenomenon and leading into serious damages of the hard disc.
Description
Technical field
The present invention relates to the hard disk protection technology, relate in particular to and a kind ofly be used for preventing that hard disk from running on the method and the electronic installation of resonance point.
Background technology
Hard disk is the most widely used Storage Media at present, and consumer electronic device, server, industrial computer etc. all are to utilize hard disk as Storage Media such as.The inner structure of hard disk is quite accurate, and magnetic head structure and per minute only have the spacing of 10 nanometers with the disc surface of thousands of commentaries on classics high speed rotating, when read-write operation, receive bigger vibration as if hard disk; Remove and to cause magnetic head and disc impinges; Cause scuffing in disc surface, also can cause sector corruption, disk read-write unusual under the serious situation, perhaps because the bump of magnetic head; Physical property infringement part slides into other positions of hard disk on the disc, and causes the fault of hard disk drive.
Know by aforementioned; Vibration is the maximum main cause that causes hard disk to damage, except the vibration that electronic installation falls ground or caused by external force collision, and the vibration source that electronic installation is inner; Like radiator fan, power supply unit, hard disk etc.; Form a vibrational system, when the excited frequency of the natural frequency of system itself and compelling force is identical or close, can form resonance.Resonance effect can produce bigger amplitude, harms the normal operation of hard disk, has influence on the security and the serviceable life of hard disk storage data.
Prior art is mainly used in and prevents that hard disk from running on concuss state or free falling body state, or reduces the intensity of resonance via the improvement design of physical construction, but can't prevent that hard disk from running on resonance point.
Summary of the invention
In view of this, need provide a kind of hard disk that prevents to run on the method and the electronic installation of resonance point, before resonance effect produces, send alert news, utilize the resonance alert news precompose of going ahead of the rest to handle, with security that ensures the hard disk storage data and the serviceable life that prolongs hard disk.
The present invention provides a kind of hard disk that prevents to run on the method for resonance point; Be executed in the electronic installation; This electronic installation comprises acceleration sensing module, controller, tripper and hard disk; The electric power signal that this electronic installation provided is sent to this hard disk via this tripper, and this method may further comprise the steps: the sense data that reads this acceleration sensing module; This above-mentioned sense data is carried out an algorithm computing to produce oscillation intensity; Judge whether this oscillation intensity surpasses a preset oscillating region; Reach if this oscillation intensity surpasses and be somebody's turn to do preset oscillating region, then this controller stops the access of this hard disk is reached through breaking off this tripper stop supplies electric power signal to this hard disk.
Preferably; This method also comprises judges whether this oscillation intensity falls within this preset oscillating region; If this oscillation intensity falls within this preset oscillating region, then this controller restores electricity to this hard disk through this tripper of conducting and recovers the access to this hard disk.
Preferably, this device also comprises an analog/digital converter group, and being used for this sense data is digital signal by analog-converted.
Preferably, this algorithm comprises FFT.
Preferably, this controller comprises microcontroller.
The present invention also provides a kind of electronic installation, and this electronic installation comprises hard disk; Power supply unit is used to provide an electric power signal to this hard disk; Tripper, the two ends of this tripper are respectively coupled to this power supply unit and this hard disk, and the power supply that this power supply unit provided is sent to this hard disk via this tripper; Acceleration sensing module is coupled to this hard disk, is used for the accekeration of this hard disk of sensing when running; Analog/digital converter is used to receive this acceleration sensing module sense and converts digital signal into; And controller; Comprise control module and processing module; Wherein this control module is used to receive this digital signal, and this digital signal is obtained an oscillation intensity of this hard disk via an algorithm computing, and when this oscillation intensity is preset oscillating region above one, sends the resonance alert news; And after this processing module is used for receiving this resonance alert news, stops the access to this hard disk, and break off this tripper, stop power supply to this hard disk.
Preferably, this control module also is used for when this oscillation intensity falls within this preset oscillating region, sending resonance alert news releasing notice.
Preferably, this processing module also is used for receiving this resonance alert news and removes notice, and this tripper of conducting restores electricity to this hard disk, and recovers the access to this hard disk.
Preferably, this algorithm comprises FFT.
Preferably, wherein this controller comprises microcontroller.
Above-mentioned electronic installation and prevent that hard disk from running on the method for resonance point can prevent that hard disk from running on resonance effect, causes the serious damage of hard disk.
To the detailed description of embodiment and combine accompanying drawing, can understand the technique effect of foregoing and the present invention through following easily.
Description of drawings
The module map of the associated component of a kind of embodiment of the electronic installation for the present invention shown in Figure 1.
The process flow diagram of obtaining a kind of embodiment of preset oscillating region for the present invention shown in Figure 2.
Shown in Figure 3ly, electronic installation of the present invention runs on a kind of process flow diagram of embodiment of the method for resonance point for preventing hard disk.
The process flow diagram that is the present invention for a kind of embodiment of resonance alert news processing shown in Figure 4.
The main element symbol description
Acceleration sensing module 110
Analog/digital converter 120
Controller 130
Control module 131
Processing module 132
Hard-disk interface 140
Hard disk 150
Power supply unit 160
Tripper 170
Embodiment
See also Fig. 1, be depicted as a kind of module map of associated component of embodiment of the present invention's electronic installation.This electronic installation comprises that acceleration sensing module 110, analog/digital converter 120, controller 130, hard disk connect 140, hard disk 150, power supply unit 160 and tripper 170.Wherein this acceleration sensing module 110 comprises three axis accelerometer; And carry out mechanical connection between the above-mentioned hard disk of protecting 150, so, when above-mentioned hard disk 150 runnings or receive when vibrating; Its speed will change, but learns accekeration via above-mentioned acceleration sensing module 110 sensings.Above-mentioned analog/digital converter 120 is electrically connected with above-mentioned acceleration sensing module 110 and above-mentioned controller 130 respectively; The analog sensing data-switching that this analog/digital converter 120 is used for above-mentioned acceleration sensing module 110 is obtained is a digital signal, sends above-mentioned controller 130 again to and further handles.
Above-mentioned power supply unit 160 is coupled to above-mentioned hard disk 150 via above-mentioned tripper 170, and above-mentioned power supply unit 160 is through 170 pairs of above-mentioned hard disk 150 power supplies of above-mentioned tripper.Wherein above-mentioned tripper 170 is switchgear in this embodiment, when this switchgear is opened, that is under the state that breaks off, reaches the effect that the stop supplies electric power signal is given above-mentioned hard disk 150; When this switchgear is closed, that is under the state of conducting, reach the effect that the supply electric power signal is given above-mentioned hard disk 150.
Above-mentioned controller 130 comprises control module 131 and processing module 132; Wherein this control module 131 is used to receive the digital signal that is transmitted from above-mentioned analog/digital converter 120, and above-mentioned digital signal is carried out the algorithm computing to produce the oscillation intensity of above-mentioned hard disk 150.In this embodiment, this algorithm is FFT, can obtain the vibration frequency of above-mentioned hard disk 150 via this algorithm computing, and then knows the oscillation intensity that obtains above-mentioned hard disk 150 by inference.After above-mentioned control module 131 obtains the oscillation intensity of above-mentioned hard disk 150; Further this oscillation intensity and preset oscillating region are made comparisons; If this oscillation intensity surpasses this preset oscillating region, then send the resonance alert news, notify above-mentioned processing module 132 further to handle.Above-mentioned processing module 132 is after receiving the resonance alert news; Stop the action of reading to above-mentioned hard disk 150; Sending look-at-me notifies above-mentioned hard disk 150 to shut down; Above-mentioned hard disk 150 is removed from file system, and the output control signal breaks off above-mentioned tripper 170, stop above-mentioned hard disk 150 power supplies.Wherein this look-at-me transmits above-mentioned hard disk 150 via above-mentioned hard-disk interface 140, and this hard-disk interface 140 also is used for transmitting the reading command that processing module 132 is given hard disk 150.In this embodiment, this above-mentioned controller is a microcontroller.
In this embodiment, this preset oscillating region can be through measuring the vibration of above-mentioned hard disk 150 when running well, giving tacit consent to the oscillating region that above-mentioned hard disk 150 can bear according to the data of measuring gained and the specification of above-mentioned hard disk 150 again.See also Fig. 2, be depicted as the process flow diagram that the present invention obtains a kind of embodiment of preset oscillating region.
Step S210 at first, above-mentioned processing module 132 starts above-mentioned hard disk 150 on vibrationless platform, and above-mentioned hard disk 150 is carried out general read-write operation.At step S220, above-mentioned control module 131 reads above-mentioned acceleration sensing module 110 in the run well accekeration of time institute's sensings and convert the simulated data of sensing gained into digital signal through above-mentioned analog/digital converter 120 of above-mentioned hard disk 150.At step S230, above-mentioned control module 131 is carried out further computing via FFT with the digital signal that obtains, and learns the vibration frequency of above-mentioned hard disk 150 when running well.At step S240, above-mentioned control module 131 stores the vibration frequency data of above-mentioned hard disk 150 when monomer vibrates.Repeating step S220 obtains the vibration frequency database of above-mentioned hard disk 150 when monomer vibrates by this to step S240 several.At step S250, above-mentioned control module 131 is set up a noise level according to data of database, and this noise level can provide electronic installation to use down in home, because of the vibration frequency that running caused of above-mentioned hard disk 150 own.At step S260, above-mentioned control module 131 preestablishes the oscillating region that above-mentioned hard disk 150 can bear according to the specification and the reference noise level of above-mentioned hard disk 150.Through the acquiescence oscillating region that flow process thus obtains, the hard disk that prevents that can be used for the present invention runs in the method for resonance point, the comparison other of the oscillation intensity that obtains when turning round as hard disk, and whether use the oscillation intensity of learning hard disk too strong.
See also Fig. 3, be depicted as electronic installation of the present invention and prevent that hard disk from running on a kind of process flow diagram of embodiment of the method for resonance point.At first, at step S310, control module 131 obtains the acceleration sensing value of hard disk via reading acceleration sensing module 110, and this acceleration sensing value converts digital signal earlier into via analog/digital converter 120, is resent to control module 131.At step S320, above-mentioned control module 131 is carried out quick Fourier transformation computation with this digital signal and is obtained vibration frequency after receiving this digital signal.At step S330, above-mentioned control module 131 further obtains the present oscillation intensity of above-mentioned hard disk 150 from this vibration frequency.At step S340, above-mentioned control module 131 does one relatively with this oscillation intensity and preset oscillating region, judges that whether this oscillation intensity is above presetting oscillating region and judging whether once to send the resonance alert news.Should preset oscillating region and once send the neither establishment of resonance alert news two conditions if oscillation intensity surpasses; The oscillation intensity of then representing present above-mentioned hard disk 150 falls within this preset oscillating region; Also never send the resonance alert news; Resumes step S310 then continues to obtain the oscillation intensity of above-mentioned hard disk 150.If oscillation intensity is above presetting oscillating region and once sending resonance alert news two conditions and all set up; The oscillation intensity of then representing present above-mentioned hard disk 150 is above presetting oscillating region and once sending the resonance alert news; Then above-mentioned control module 131 is left intact; Resumes step S310 continues to obtain the oscillation intensity of above-mentioned hard disk 150.If oscillation intensity wherein had one to set up above presetting oscillating region and once sending resonance alert news two conditions, then continue and carry out the judgement of step S350.In step S350; Above-mentioned control module 131 continues and judges that whether oscillation intensity is above presetting oscillating region; If surpassing, oscillation intensity should preset oscillating region; Represent that the oscillation intensity of present above-mentioned hard disk 150 sends any resonance alert news too strongly and not,, send a resonance alert news and notify above-mentioned processing module 132 further to handle by this then at step S360.In step S350; If judging, above-mentioned control module 131 learns that the oscillation intensity of above-mentioned hard disk 150 falls within this preset oscillating region at present; Then the resonance alert news was once sent in representative, at step S370, removed the resonance alert news and notified above-mentioned processing module 132 further to handle.After setting or remove the completion of resonance alert news, that is after step S360 and step S370, resumes step S310 continues to obtain the oscillation intensity of above-mentioned hard disk 150 by above-mentioned control module 131, so that remove the resonance alert news or send the resonance alert news again.
Can accomplish with the buffer that stores resonance alert news state value via interrupt request between above-mentioned control module 131 and the above-mentioned processing module 132 and link up.Desire to send the resonance alert news when above-mentioned control module 131, then will represent the register values of resonance alert news state to be made as 1, remove the resonance alert news, then will represent the register values of resonance alert news state to be made as 0 when above-mentioned control module 131 desires.After setting the value of buffer, above-mentioned control module 131 is sent interrupt request and is notified above-mentioned processing module 132 further to handle.
See also Fig. 4, be depicted as and be executed in the above-mentioned processing module 132, the present invention is for the process flow diagram of a kind of embodiment of the processing of resonance alert news.At first; In step S410, above-mentioned processing module 132 receives the interrupt request that is transmitted from above-mentioned control module 131, stores the buffer of resonance alert news state value in step S420 inspection; After obtaining the value of buffer storage, judge that at step S430 the state of resonance alert news is to send or remove.Send the resonance alert news if judge above-mentioned control module 131; Then stop all access actions earlier to above-mentioned hard disk 150 at step S440; And send look-at-me, and notify above-mentioned hard disk 150 to shut down, then above-mentioned hard disk 150 is removed from file system at step S450; At step S460, stop above-mentioned hard disk 150 power supplies at last through breaking off above-mentioned tripper 170.Remove the resonance alert news if judge above-mentioned control module 131; Then recover power supply again through this above-mentioned tripper 170 of conducting to above-mentioned hard disk 150 at step S470; After treating that above-mentioned hard disk 150 restarts; At step S480 above-mentioned hard disk 150 is hung up file system again, recover access action in step S490 at last above-mentioned hard disk 150.
In summary, the above-mentioned hard disk that prevents proposed by the invention runs on the method for resonance point, before resonance effect produces, sends the resonance alert news, prevents that hard disk from running on resonance point, with security that ensures the hard disk storage data and the serviceable life that prolongs hard disk.
Claims (10)
1. one kind prevents that hard disk from running on the method for resonance point; Be executed in the electronic installation; This electronic installation comprises acceleration sensing module, controller, tripper and hard disk; The electric power signal that this electronic installation provided is sent to this hard disk via this tripper, it is characterized in that, this method may further comprise the steps:
Read the sense data of this acceleration sensing module;
To the computing of above-mentioned sense data execution algorithm to produce oscillation intensity;
Judge whether this oscillation intensity surpasses preset oscillating region; And
Should preset oscillating region if this oscillation intensity surpasses, then this controller stops to give this hard disk to the access of this hard disk and through breaking off this tripper stop supplies electric power signal.
2. prevent according to claim 1 that hard disk from running on the method for resonance point; It is characterized in that; Also comprise: judge whether this oscillation intensity falls within this preset oscillating region; If this oscillation intensity falls within this preset oscillating region, then this controller restores electricity to this hard disk through this tripper of conducting and recovers the access to this hard disk.
3. prevent according to claim 1 that hard disk from running on the method for resonance point, it is characterized in that this device also comprises an analog/digital converter group, being used for this sense data is digital signal by analog-converted.
4. prevent according to claim 1 that hard disk from running on the method for resonance point, it is characterized in that this algorithm comprises FFT.
5. prevent according to claim 1 that hard disk from running on the method for resonance point, it is characterized in that this controller comprises microcontroller.
6. electronic installation, the power supply unit that comprises hard disk and electric power signal to this hard disk is provided is characterized in that also comprising:
Tripper, the two ends of this tripper are respectively coupled to this power supply unit and this hard disk, and this electric power signal power supply that this power supply unit provided is sent to this hard disk via this tripper;
Acceleration sensing module is coupled to this hard disk, is used for the accekeration of this hard disk of sensing when running; And
Controller comprises control module and processing module, and this control module is used to receive this digital signal, and this digital signal is obtained the oscillation intensity of this hard disk via the algorithm computing, and when this oscillation intensity surpasses preset oscillating region, sends the resonance alert news; This processing module is used for receiving and this resonance alert news of response, stops the access to this hard disk, and breaks off this tripper, stops power supply to this hard disk.
7. the electronic installation of claim 6 is characterized in that, this control module also is used for when this oscillation intensity falls within this preset oscillating region, sending the resonance alert news and removes notice.
8. the electronic installation of claim 7 is characterized in that, this processing module also is used for receiving this resonance alert news and removes notice, and this tripper of conducting restores electricity to this hard disk, and recovers the access to this hard disk.
9. the electronic installation of claim 6 is characterized in that this algorithm comprises FFT.
10. the electronic installation of claim 6 is characterized in that this controller comprises microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201010547788XA CN102467943A (en) | 2010-11-17 | 2010-11-17 | Electronic device and method for preventing hard disc from operating on same resonance point with same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010547788XA CN102467943A (en) | 2010-11-17 | 2010-11-17 | Electronic device and method for preventing hard disc from operating on same resonance point with same |
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| CN102467943A true CN102467943A (en) | 2012-05-23 |
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| CN201010547788XA Pending CN102467943A (en) | 2010-11-17 | 2010-11-17 | Electronic device and method for preventing hard disc from operating on same resonance point with same |
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| CN106843752A (en) * | 2016-12-29 | 2017-06-13 | 中国电子科技集团公司第五十二研究所 | A kind of anti-vibration protected method and device of disk based on abnormality detection |
| CN113127298A (en) * | 2021-03-30 | 2021-07-16 | 山东英信计算机技术有限公司 | Method, system, equipment and medium for protecting mechanical hard disk |
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Application publication date: 20120523 |