CN107464578A - A kind of hard disk automatic heating control system and method - Google Patents
A kind of hard disk automatic heating control system and method Download PDFInfo
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- CN107464578A CN107464578A CN201610388413.0A CN201610388413A CN107464578A CN 107464578 A CN107464578 A CN 107464578A CN 201610388413 A CN201610388413 A CN 201610388413A CN 107464578 A CN107464578 A CN 107464578A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000005611 electricity Effects 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 2
- 238000012544 monitoring process Methods 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 230000002265 prevention Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000005485 electric heating Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
- G11B33/1406—Reducing the influence of the temperature
- G11B33/144—Reducing the influence of the temperature by detection, control, regulation of the temperature
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- Control Of Resistance Heating (AREA)
Abstract
The invention provides a kind of hard disk automatic heating control system and method, the system includes：Temperature sensing circuit, temperature decision circuitry, hard disk heater circuit and start control circuit；Wherein：Temperature sensing circuit is used for the Current Temperatures for detecting hard disk, and temperature decision circuitry is used to judge whether the Current Temperatures are less than normal working temperature；Hard disk heater circuit is used for when the Current Temperatures of hard disk are less than normal working temperature, and the hard disk is heated, otherwise stops the heating to hard disk；Start control circuit is used to, when the Current Temperatures of hard disk are more than or equal to normal working temperature and mainboard is in non-operating state, starting-up signal is exported to mainboard.The system can heat to hard disk automatically when hard disk temperature is less than normal working temperature, it is heated to mainboard Auto Power On after normal working temperature, and once hard disk temperature will not crash mainboard again below normal working temperature in the course of the work, it is not necessary to turn back on startup.
Description
Technical field
The present invention relates to electronic technology field, more specifically to a kind of hard disk automatic heating control system
And method.
Background technology
For computer, hard disk is its important part.Hard disk needs motor in normal work
Drive disc to rotate at a high speed, then the data in hard disk are read by the swing of head arm.For common machine
Tool hard disk, the temperature range of its normal work is 0-55 degrees Celsius.When the temperature in environment is less than its normal work
When making temperature, the lubricant in hard disk rotary shaft will be in curdled appearance, and the resistance that now hard disk rotates will
Greatly increase.Therefore, forcibly start in low temperature environment computer gently then can not normal boot-strap, hard disk number
According to loss, it is heavy then directly damage hard disk.However, in industrial control field, computer can usually be operated in 0 degree with
Under environment in, so, how in low temperature environment lifted hard disk temperature and normally start computer
It is a urgent problem to be solved.
In conventional technical scheme, some schemes are to realize that hard disk adds by wrapping up in one layer of heating film outside hard disk
Heat；It is to decide whether to power to hard disk by judging the temperature around hard disk after start also to have scheme in addition,
If temperature is low, BIOS will not start the bootstrap in hard disk.
For existing hard disk heater, if heated with heating film to wrap hard disk, then in hard disk week
Enclose temperature rise after radiating just into it is very big the problem of；And this scheme of hard disk startup is guided by BIOS
There is also hidden danger, and first no matter whether the temperature around hard disk meets condition of work, mainboard must all obtain elder generation
Start, computer can be directly resulted in reheating after hard disk environment temperature is fallen in addition and is restarted or extremely
Machine.
The content of the invention
The present invention provides a kind of hard disk automatic heating control system and method, is less than normal work in hard disk temperature
Heated automatically to hard disk during temperature, be heated to mainboard Auto Power On after normal working temperature.
To solve the technical problem of the present invention, following technical scheme is taken：
In a first aspect, a kind of hard disk automatic heating control system, including temperature sensing circuit, temperature judge electricity
Road, hard disk heater circuit and start control circuit, wherein：
The temperature sensing circuit, for detecting the Current Temperatures of hard disk；
The temperature decision circuitry, for judging whether the Current Temperatures are less than normal working temperature；
The hard disk heater circuit, for when the Current Temperatures of hard disk are less than normal working temperature, to described
Hard disk is heated, and otherwise stops the heating to hard disk；
The start control circuit, it is more than or equal to normal working temperature and master for the Current Temperatures in hard disk
When plate is in non-operating state, starting-up signal is exported to mainboard.
Wherein, the system also includes restarting prevention circuit, for when mainboard is in running status, making out
Machine control circuit does not export starting-up signal to mainboard.
Wherein, the temperature sensing circuit includes temperature-sensitive element RT1, and the temperature decision circuitry includes comparing
Device U1；The temperature sensing circuit is being less than hard disk just in the temperature-sensitive element RT1 Current Temperatures measured
Make the comparator U1 output first states signal during normal operating temperature, measured in the temperature-sensitive element RT1
Current Temperatures the comparator U1 is exported the second state when being more than or equal to the normal working temperature of hard disk
Signal.
Wherein, the hard disk heater circuit includes heating control module and heating module；
The heating module includes being used for the heating plate RS1 to hard disk heating；The heating control module
Heating plate RS1 is heated hard disk when temperature decision circuitry exports first state signal, and sentence in temperature
Deenergizing makes heating plate RS1 not heated to hard disk when exporting the second status signal.
Wherein, the temperature sensing circuit also includes first resistor R1, second resistance R2 and the 5th resistance
R5；
The first resistor R1 and the 5th resistance R5 are connected in series between power supply and reference ground, and described
Two resistance R2 and temperature-sensitive element RT1 are connected in series between power supply and reference ground, the second resistance R2
It is connected with temperature-sensitive element RT1 tie point with the first input end of the comparator U1, the first resistor
R1 and the 5th resistance R5 tie point are connected with the second input of the comparator U1.
Wherein, the heating control module includes first switch pipe Q1, the control of the first switch pipe Q1
End processed is connected with the output end of the comparator U1, and the control terminal of the first switch pipe Q1 receives
Turned on during one status signal, heating plate RS1 is heated hard disk.
Wherein, the start control circuit includes charging circuit and the 3rd switching tube Q3, the charging circuit
The 3rd switching tube Q3 control terminal is connected to, and makes the described 3rd to open in first switch pipe Q1 shutdown moments
Pipe Q3 conductings are closed, starting-up signal is exported to mainboard when the 3rd switching tube Q3 is turned on.
Wherein, it is described restart prevention circuit include second switch pipe Q2, the control of the second switch pipe Q2
End processed connects motherboard power supply, and turns on when the control terminal of the second switch pipe Q2 receives high level signal,
The start control circuit is set not export starting-up signal.
A kind of second aspect, hard disk automatic heating control method, comprises the following steps：
The Current Temperatures of hard disk are detected, and judge whether the Current Temperatures are less than normal working temperature；
If Current Temperatures are less than normal working temperature, the hard disk is heated；
If Current Temperatures are more than or equal to normal working temperature, and mainboard is in non-operating state, defeated to mainboard
Go out starting-up signal.
Wherein, the hard disk automatic heating control method also includes, if mainboard is in running status, not to
Mainboard exports starting-up signal.
A kind of hard disk automatic heating control system provided by the invention and method, it is less than normal work in hard disk temperature
It can be heated automatically to hard disk when making temperature, be heated to mainboard Auto Power On after normal working temperature, and mainboard
Once hard disk temperature will not crash again below normal working temperature in the course of the work, it is not necessary to turn back on
Start.
Brief description of the drawings
Fig. 1 is a kind of structural representation of hard disk automatic heating control system of the embodiment of the present invention.
Fig. 2 is a kind of a kind of knot of preferred embodiment of hard disk automatic heating control system of the embodiment of the present invention
Structure schematic diagram.
Fig. 3 is a kind of circuit diagram of hard disk automatic heating control system of the embodiment of the present invention.
Fig. 4 is a kind of method flow diagram of hard disk automatic heating control method of the embodiment of the present invention.
Fig. 5 is a kind of a kind of side of preferred embodiment of hard disk automatic heating control method of the embodiment of the present invention
Method flow chart.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with accompanying drawing and reality
Example is applied, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
Only to explain the present invention, it is not intended to limit the present invention.
In a first aspect, a kind of hard disk automatic heating control system, as shown in figure 1, including temperature sensing circuit 1,
Temperature decision circuitry 2, hard disk heater circuit 3 and start control circuit 4.
Wherein：The temperature sensing circuit 1, for detecting the Current Temperatures of hard disk, the temperature judges electricity
Road 2, for judging whether the Current Temperatures are less than normal working temperature；The hard disk heater circuit 3, use
In when the Current Temperatures of hard disk are less than normal working temperature, the hard disk is heated, otherwise stopping pair
The heating of hard disk；The start control circuit 4, it is more than or equal to normal work for the Current Temperatures in hard disk
Make temperature, and when mainboard is in non-operating state, starting-up signal is exported to mainboard.
The turn-on temperature of hard disk, i.e. normal working temperature, when being -5 DEG C, computer could be opened by normal procedure
It is dynamic.When needing to open computer, power supply is pressed, temperature sensing circuit 1 first detects the temperature of hard disk, temperature
Degree decision circuitry 2 judges whether the Current Temperatures reach the demand of normal working temperature, if hard disk is worked as
Preceding temperature is not reaching to the demand of normal working temperature, then needs to give hard disk heat temperature raising, treat the temperature of hard disk
Started shooting again by normal procedure after reaching the requirement of normal working temperature, because the temperature of hard disk reaches before ensure that start
To the requirement of normal working temperature, so what is directly restarted or crash after can avoiding result in computer booting asks
Topic.
Optionally, as shown in Fig. 2 the system also includes restarting prevention circuit 5, for being in mainboard
During running status, start control circuit 4 is set not export starting-up signal to mainboard.
When mainboard is in running status, i.e., computer normal operation when, the temperature of hard disk may change,
If the temperature of hard disk is reduced to below normal working temperature, hard disk heater circuit 3 can heat to hard disk in time,
Therefore in this course computer will not automatic shutdown or deadlock, and treat that the temperature of hard disk reaches normal work
After the requirement of temperature, because restarting the effect of prevention circuit 5, start control circuit 4 also will not be to mainboard again
Starting-up signal is sent, therefore will not also cause to calculate auto-shut-off or deadlock.
Optionally, the temperature sensing circuit 1 includes temperature-sensitive element RT1, and the temperature decision circuitry 2 includes
Comparator U1；The temperature sensing circuit 1 is less than hard disk in the temperature-sensitive element RT1 Current Temperatures measured
Normal working temperature when make comparator U1 output first state signal, in the temperature-sensitive element RT1
The Current Temperatures measured make the comparator U1 outputs second when being more than or equal to the normal working temperature of hard disk
Status signal.
First state signal is high level signal, and the second status signal is low level signal.
Optionally, the hard disk heater circuit 3 includes heating control module and heating module.
The heating module includes being used for the heating plate RS1 to hard disk heating；The heating control module
Heating plate RS1 is heated hard disk when temperature decision circuitry 2 exports first state signal, and sentence in temperature
Deenergizing 2 makes heating plate RS1 not heated to hard disk when exporting the second status signal.
Optionally, the temperature sensing circuit 1 also includes first resistor R1, second resistance R2 and the 5th electricity
Hinder R5.
The first resistor R1 and the 5th resistance R5 are connected in series between power supply and reference ground, and described
Two resistance R2 and temperature-sensitive element RT1 are connected in series between power supply and reference ground, the second resistance R2
It is connected with temperature-sensitive element RT1 tie point with the first input end of the comparator U1, the first resistor
R1 and the 5th resistance R5 tie point are connected with the second input of the comparator U1.
The heating control module includes first switch pipe Q1, the control terminal of the first switch pipe Q1 with
The output end connection of the comparator U1, the control terminal of the first switch pipe Q1 receive first state
Turned on during signal, heating plate RS1 is heated hard disk.
Optionally, the start control circuit 4 includes charging circuit and the 3rd switching tube Q3, the charging
Circuit is connected to the 3rd switching tube Q3 control terminal, and makes described in first switch pipe Q1 shutdown moments
Three switching tube Q3 are turned on, and starting-up signal is exported to mainboard when the 3rd switching tube Q3 is turned on.
Optionally, it is described restart prevention circuit 5 include second switch pipe Q2, the second switch pipe Q2
Control terminal connection motherboard power supply, and when the control terminal of the second switch pipe Q2 receives high level signal
Conducting, makes the start control circuit 4 not export starting-up signal.
Fig. 3 is a kind of circuit diagram of preferred embodiment of the hard disk automatic heating control system of the embodiment of the present invention,
As shown in Fig. 2 the temperature sensing circuit 1 include first resistor R1, second resistance R2, the 5th resistance R5,
Temperature-sensitive element RT1；The temperature decision circuitry 2 includes comparator U1 and the 3rd electric capacity C3；The heating control
Molding block includes first switch pipe Q1 and 3rd resistor R3, and the heating module includes heating plate RS1 and the
One electric capacity C1；The start control circuit 4 include the second electric capacity C2, the 4th electric capacity C4, the 4th resistance R4,
6th resistance R6, the 7th resistance R7, the 3rd switching tube Q3, diode D1 and contact pin J, diode D1's
Model BAT54C, the second electric capacity C2, the 4th resistance R4 and the 6th resistance R6 composition charging circuits；It is described
Restarting prevention circuit 5 includes second switch pipe Q2 and the 5th electric capacity C5.
The first resistor R1 and the 5th resistance R5 are connected in series between power supply and reference ground, and described second
Resistance R2 and temperature-sensitive element RT1 are connected in series between power supply and reference ground, the second resistance R2 and temperature-sensitive
Element RT1 tie point is connected with the first input end (normal phase input end) of the comparator U1, and described
One resistance R1 and the 5th resistance R5 tie point and the second input (inverting input) of the comparator U1
The tie point of connection, the 3rd electric capacity C3 and the comparator U1 power input is connected with power supply,
The tie point of the control terminal of the first switch pipe Q1 and the output end of the comparator U1 passes through 3rd resistor
R3 connection power supplys, first switch pipe Q1 output end are connected with one end of the electric heating piece RS1, the electricity
The backing RS other end and the first electric capacity C1 one end connect power supply, and the first electric capacity C1 other end connects
Meet reference ground, the second electric capacity C2 one end connection first switch pipe Q1 output end and the electric heating piece RS1
Tie point, the second electric capacity C2 other end and one end of the 4th resistance R4 and diode D1 3 terminals
Connection, the other end of the first resistor R4 and the 6th resistance R6 one end, the 4th electric capacity C4
One end, the second switch pipe Q2 output end and the 3rd switching tube Q3 control terminal connection,
The control terminal of the second switch pipe Q2 is connected with the tie point of the 5th electric capacity C5 with power supply, and described
Two switching tube Q2 output end, the other end of the 5th electric capacity C5, the other end of the 6th resistance R6
And the other end connection reference ground of the 4th electric capacity C4, one end of the 7th resistance R7 is inserted with described
Pin J one end connection, the other end of the R7 are connected with the other end of the contact pin J.
Heating plate RS1 and temperature-sensitive element RT1 are placed near hard disk.
After the power switch for pressing computer, DISK to Image heater is started working.Temperature-sensitive element RT1 exists
Its resistance can change after detecting hard disk temperature, and comparator U1 is by its resistance and turn-on temperature (normal work
Make -5 DEG C of temperature) resistance value be compared, " 1 " or " 0 " two states letter is exported according to comparative result
Number, i.e., first state signal or the second status signal give first switch pipe Q1, and wherein signal " 1 " represents hard
Temperature around disk is less than default turn-on temperature, and signal " 0 " represents that the temperature now around hard disk is big
In or equal to turn-on temperature.
For the first situation, first switch pipe Q1 control terminal receives high level signal, and Q1 is turned on,
Electric heating piece RS1 heats to hard disk, and after the completion of hard disk heating, the resistance of thermistor can reduce, than
Compared with device output signal " 0 ", first switch pipe Q1 cut-offs, high level signal is exported, condenser network is carried out
Charging, the time of charging are determined by the second electric capacity C2, the 4th resistance R4 and the 6th resistance R6 size.
Just during charging, the 3rd switching tube Q3 control terminal receives high level signal, Q3 conductings, signal
FPPWRBTN_N (connecing mainboard 3.3V high level) moments are pulled low, after charging complete, Q3 control terminal
Low level signal, Q3 cut-offs are received, signal FP PWRBTN_N revert to high level, i.e., whole charging
During, system outputs a low pulse signal to mainboard makes mainboard start shooting as starting-up signal.
For second of situation, first switch pipe Q1 control terminal receives low level signal, and Q1 ends,
High level signal is exported, heating plate RS1 electric current is very small, hard disk is not heated, the 3rd switching tube
Q1 control terminal receives high level signal, Q3 conductings, and signal FPPWRBTN_N (it is high to meet mainboard 3.3V
Level) moment is pulled low, that is, export starting-up signal.
In addition, after pressing computer power supply, prevention circuit 5 and power on, computer normal operation are restarted
Process, after the temperature of hard disk is fallen, system can heat to hard disk again, but due to second switch pipe
Q2 control terminal is connected with power supply, and Q2 is constantly in conducting state, exports low level signal, i.e., the 3rd opens
The control terminal for closing pipe Q3 is low level, and Q3 is in cut-off state, exports high level signal, therefore without normal direction
Mainboard exports starting-up signal.Therefore, computer will not be sent out because of the reduction of hard disk temperature in the process of running
Raw cycle power or the situation of deadlock, ensure that the normal operation of computer.
The system passes through validation test, may be implemented in -25 DEG C~-30 DEG C of low temperature environment and works, heating plate
RS1 only needs 5min-8min to the whole heating process of hard disk.
Optionally, the hard disk automatic heating control system also includes hard disk burner on light, and the hard disk adds
Thermal light is series between comparator U1 and first switch pipe Q1, for prompting the heated condition of hard disk,
So that user can understand the heated condition of hard disk in time.Hard disk burner on light glows when hard disk heats,
Hard disk burner on light green light after the completion of heating.
Second aspect, as shown in figure 4, a kind of hard disk automatic heating control method, comprises the following steps：
S1, the Current Temperatures for detecting hard disk, and judge whether the Current Temperatures are less than normal working temperature；
If S2, Current Temperatures are less than normal working temperature, the hard disk is heated；
If S3, Current Temperatures are more than or equal to normal working temperature, and mainboard is in non-operating state, to master
Plate exports starting-up signal.
Optionally, as shown in figure 5, also including step S4：If mainboard is in running status, not to mainboard
Export starting-up signal.After start, computer normal operation, when the temperature of hard disk does not reach normal working temperature
Requirement when, system can heat to hard disk, but not export starting-up signal again.This can ensure that computer exists
The situation of cycle power or deadlock will not occur in running because of the reduction of the temperature of hard disk, ensure that
The normal operation of computer.
The invention provides a kind of hard disk automatic heating control system and method, is less than normal work in hard disk temperature
It can be heated automatically to hard disk when making temperature, be heated to mainboard Auto Power On after normal working temperature, and mainboard
Once hard disk temperature will not crash again below normal working temperature in the course of the work, it is not necessary to turn back on
Start.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention not office
Be limited to this, any one skilled in the art the invention discloses technical scope in, can be easily
The change or replacement expected, it should all be included within the scope of the present invention.Therefore, protection of the invention
Scope should be defined by scope of the claims.
Claims (10)
1. a kind of hard disk automatic heating control system, it is characterised in that sentence including temperature sensing circuit, temperature
Deenergizing, hard disk heater circuit and start control circuit, wherein：
The temperature sensing circuit, for detecting the Current Temperatures of hard disk；
The temperature decision circuitry, for judging whether the Current Temperatures are less than normal working temperature；
The hard disk heater circuit, for when the Current Temperatures of hard disk are less than normal working temperature, to described
Hard disk is heated, and otherwise stops the heating to hard disk；
The start control circuit, it is more than or equal to normal working temperature and master for the Current Temperatures in hard disk
When plate is in non-operating state, starting-up signal is exported to mainboard.
2. hard disk automatic heating control system as claimed in claim 1, it is characterised in that also include restarting
Prevent circuit, for when mainboard is in running status, making start control circuit not export start letter to mainboard
Number.
3. hard disk automatic heating control system as claimed in claim 1, it is characterised in that the temperature inspection
Slowdown monitoring circuit includes temperature-sensitive element RT1, and the temperature decision circuitry includes comparator U1；The temperature detection electricity
Road makes the ratio when the Current Temperatures that the temperature-sensitive element RT1 is measured are less than the normal working temperature of hard disk
First state signal is exported compared with device U1, is more than or equal in the Current Temperatures that the temperature-sensitive element RT1 is measured hard
The comparator U1 is set to export the second status signal during the normal working temperature of disk.
4. hard disk automatic heating control system as claimed in claim 3, it is characterised in that the hard disk adds
Heater circuit includes heating control module and heating module；
The heating module includes being used for the heating plate RS1 to hard disk heating；The heating control module
Heating plate RS1 is heated hard disk when temperature decision circuitry exports first state signal, and judge in temperature
Heating plate RS1 is set not heated to hard disk during the second status signal of circuit output.
5. hard disk automatic heating control system as claimed in claim 4, it is characterised in that the temperature inspection
Slowdown monitoring circuit also includes first resistor R1, second resistance R2 and the 5th resistance R5；
The first resistor R1 and the 5th resistance R5 are connected in series between power supply and reference ground, and described second
Resistance R2 and temperature-sensitive element RT1 are connected in series between power supply and reference ground, the second resistance R2 and heat
Quick element RT1 tie point is connected with the first input end of the comparator U1, the first resistor R1 and
5th resistance R5 tie point is connected with the second input of the comparator U1.
6. hard disk automatic heating control system as claimed in claim 5, it is characterised in that the heating control
Control terminal of the molding block including first switch pipe Q1, the first switch pipe Q1 is defeated with the comparator U1's
Go out end connection, the control terminal of the first switch pipe Q1 turns on when receiving first state signal, makes heating
Piece RS1 heats to hard disk.
7. hard disk automatic heating control system as claimed in claim 6, it is characterised in that the start control
Circuit processed includes charging circuit and the 3rd switching tube Q3, and the charging circuit is connected to the 3rd switching tube Q3's
Control terminal, and turn on the 3rd switching tube Q3 in first switch pipe Q1 shutdown moments, the described 3rd opens
When closing pipe Q3 conductings starting-up signal is exported to mainboard.
8. hard disk automatic heating control system as claimed in claim 1, it is characterised in that it is described restart it is pre-
Anti- circuit includes second switch pipe Q2, the second switch pipe Q2 control terminal connection motherboard power supply, and institute
State when second switch pipe Q2 control terminal receives high level signal and turn on, make the start control circuit not
Export starting-up signal.
A kind of 9. hard disk automatic heating control method, it is characterised in that including：
The Current Temperatures of hard disk are detected, and judge whether the Current Temperatures are less than normal working temperature；
If Current Temperatures are less than normal working temperature, the hard disk is heated；
If Current Temperatures are more than or equal to normal working temperature, and mainboard is in non-operating state, defeated to mainboard
Go out starting-up signal.
10. hard disk automatic heating control method as claimed in claim 9, it is characterised in that also include, if
Mainboard is in running status, then does not export starting-up signal to mainboard.
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| CN201610388413.0A CN107464578A (en) | 2016-06-02 | 2016-06-02 | A kind of hard disk automatic heating control system and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108710475A (en) * | 2018-06-01 | 2018-10-26 | 深圳忆联信息系统有限公司 | Enhance the method, apparatus and computer equipment of solid state disk low temperature robustness |
| CN110850910A (en) * | 2018-08-20 | 2020-02-28 | 浙江宇视科技有限公司 | Heating control method and device and electronic equipment |
| CN112837715A (en) * | 2019-11-25 | 2021-05-25 | 神讯电脑(昆山)有限公司 | Mechanical hard disk heating device and heating method |
| CN113391843A (en) * | 2021-07-15 | 2021-09-14 | 深圳市智微智能科技股份有限公司 | Intelligent control device and method for portable computer |
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Application publication date: 20171212 |