CN106778368A - A kind of notebook computer and its hard disk self-desttruction equipment - Google Patents
A kind of notebook computer and its hard disk self-desttruction equipment Download PDFInfo
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- CN106778368A CN106778368A CN201510817553.0A CN201510817553A CN106778368A CN 106778368 A CN106778368 A CN 106778368A CN 201510817553 A CN201510817553 A CN 201510817553A CN 106778368 A CN106778368 A CN 106778368A
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- state indicator
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The invention belongs to information Security Protection Technology field, there is provided a kind of notebook computer and its hard disk self-desttruction equipment.In the present invention, hard disk self-desttruction equipment includes the first screw state indicator module, the second screw state indicator module, the 3rd screw state indicator module, self-destruction signal generator module, according to the state of the first screw, the second screw and the 3rd screw, just whether distinguishable self-destruction solid state hard disc is being stolen self-destruction signal generator module, when judging self-destruction solid state hard disc when being stolen, the self-destruction control signal of self-destruction signal generator module output makes self-destruction solid state hard disc start self-destroying function, so as to destroy the data in hard disk.Therefore, during eavesdropper disassembles notebook computer acquisition self-destruction solid state hard disc, self-destruction solid state hard disc automatically starting self-destroying function, and without trigger self-destroying function manually, improve the security of data in hard disk.
Description
Technical field
The invention belongs to information Security Protection Technology field, more particularly to a kind of notebook computer and its hard disk are certainly
Destroying device.
Background technology
Notebook computer carries with equipment as individual, is store in its hard disk and personal lifestyle or work phase
The capsule information of pass, at present, the mode of HD encryption is generally software cryptography or sets harddisk password encryption.
But after notebook is stolen, as long as there is the time enough eavesdropper just can be cracked to harddisk password, from
And obtain the data in hard disk, although encryption is carried out to hard disk but wherein data cannot still have been protected.
2012 Nian Yuan sections are in whole world issue InVincible serial SATA solid state hard discs, solid state hard disc tool
There is self-destroying function, just there is too high electric current to flow into nand flash memory by pressing button, so as to physically sell
Chip is ruined, and then makes hard disk self-destruction, make the data in hard disk not compromised.But the self-destruction mode needs people
To press button, when eavesdropper avoids button without triggering hard disk self-destruction, it can be still obtained in hard disk
Data, the mode of this manual triggering hard disk self-destruction still can not improve the security of data in hard disk.Cause
This, prior art has that the mode for triggering hard disk self-destruction manually can not improve data security in hard disk.
The content of the invention
It is an object of the invention to provide a kind of hard disk self-desttruction equipment, it is intended to solve the manual of prior art presence
Triggering the mode of hard disk self-destruction can not improve the problem of data security in hard disk.
The present invention is achieved in that a kind of hard disk self-desttruction equipment, with notebook computer on the first screw,
Second screw, the 3rd screw and self-destruction solid state hard disc are connected, first screw and second screw
The rear shell of the notebook computer is fixed, the 3rd screw fixes the self-destruction solid state hard disc；It is described hard
Disk self-desttruction equipment includes the first screw state indicator module, the second screw state indicator module, the 3rd arachnoid
State indicating module and self-destruction signal generator module.
The screw detecting end of the first screw state indicator module, the second screw state indicator module
The screw detecting end of screw detecting end and the 3rd screw state indicator module connects first spiral shell respectively
Silk, the second screw and the 3rd screw, the output end of the first screw state indicator module, second spiral shell
Silk state indicator module output end and the 3rd screw state indicator module output end respectively with it is described from
First input end, the second input and the 3rd input for ruining signal generator module are connected, the self-destruction signal
The output end of generation module connects the self-destruction solid state hard disc.
The first screw state indicator module, the second screw state indicator module and the 3rd screw
State indicator module is disassembled in first screw respectively, second screw is disassembled and the 3rd spiral shell
Silk exports corresponding disassembly status level signal when being disassembled.
The self-destruction signal generator module is according to the first screw state indicator module, second arachnoid
The disassembly status level signal life that state indicating module and the 3rd screw state indicator module are exported respectively
Into self-destruction control signal, self-destruction operation is performed to trigger the self-destruction solid state hard disc.
Another object of the present invention also resides in a kind of notebook computer including hard disk self-desttruction equipment of offer.
In the present invention, hard disk self-desttruction equipment includes that the first screw state indicator module, the second screw state refer to
Show module, the 3rd screw state indicator module, self-destruction signal generator module, self-destruction signal generator module according to
The state of the first screw, the second screw and the 3rd screw just distinguishable self-destruction solid state hard disc whether being stolen,
When self-destruction solid state hard disc is judged when being stolen, the self-destruction control signal of self-destruction signal generator module output makes
Self-destruction solid state hard disc starts self-destroying function, so as to destroy the data in hard disk.Therefore, pen is disassembled in eavesdropper
During remembering that this computer obtains self-destruction solid state hard disc, self-destruction solid state hard disc automatically starting self-destroying function, and
Without triggering self-destroying function manually, the security of data in hard disk is improve.
Brief description of the drawings
Fig. 1 is the structural representation of hard disk self-desttruction equipment provided in an embodiment of the present invention；
Fig. 2 is the circuit diagram of hard disk self-desttruction equipment provided in an embodiment of the present invention.
Specific 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 it is used to explain the present invention, is not intended to limit the present invention.
Fig. 1 shows the structural representation of hard disk self-desttruction equipment provided in an embodiment of the present invention, for the ease of saying
It is bright, the part related to the embodiment of the present invention is illustrate only, details are as follows：
The first screw 500, the second screw 600 on hard disk self-desttruction equipment, with notebook computer, the 3rd screw
700 and self-destruction solid state hard disc 800 be connected, the fixed notes of the first screw 500 and the second screw 600
The rear shell of this computer, the 3rd screw 700 fixes self-destruction solid state hard disc 800, and hard disk self-desttruction equipment also includes the
One screw state indicator module 100, the second screw state indicator module 200, the 3rd screw state indicator module
300 and self-destruction signal generator module 400.
The screw detecting end of the first screw state indicator module 100, the second screw state indicator module 200
The screw detecting end of screw detecting end and the 3rd screw state indicator module 300 connect respectively the first screw 500,
Second screw 600 and the 3rd screw 700, the output end of the first screw state indicator module 100, the second spiral shell
Silk state indicator module 200 output end and the 3rd screw state indicator module 300 output end respectively with from
First input end, the second input and the 3rd input for ruining signal generator module 400 are connected, self-destruction signal
The output end connection self-destruction solid state hard disc 800 of generation module 400.
First screw state indicator module 100, the second screw state indicator module 200 and the 3rd screw state
Indicating module 300 is disassembled in the first screw 500 respectively, the second screw 600 is disassembled and the 3rd screw 700
Corresponding disassembly status level signal is exported when being disassembled.
Preferably, disassembly status level signal is high level signal, such as when the first screw 500 is disassembled,
First screw state indicator module 100 exports high level signal.
Self-destruction signal generator module 400 refers to according to the first screw state indicator module 100, the second screw state
Show that the disassembly status level signal that the screw state indicator module 300 of module 200 and the 3rd is exported respectively is generated certainly
Control signal is ruined, self-destruction operation is performed to trigger self-destruction solid state hard disc 800.
Preferably, self-destruction control signal is low level signal, and the low electricity is received in self-destruction solid state hard disc 800
Self-destruction operation is performed after ordinary mail number.
First screw state indicator module 100, the second screw state indicator module 200 and the 3rd screw state
Indicating module 300 is not disassembled in the first screw 500 respectively, the second screw 600 is not disassembled and the 3rd spiral shell
Silk 700 exports corresponding level signal when not being disassembled.
Preferably, when the first screw 500, the second screw 600 and the 3rd screw 700 are not disassembled, the
One screw state indicator module 100, the second screw state indicator module 200 and the 3rd screw state instruction mould
Block 300 exports low level signal respectively.
Self-destruction signal generator module 400 refers to according to the first screw state indicator module 100, the second screw state
Show that the level signal that the screw state indicator module 300 of module 200 and the 3rd is exported respectively generates non-self-destruction control
Signal, so that the normal work of self-destruction solid state hard disc 800.
Preferably, non-self-destruction control signal is high level signal, and it is hard that the high level signal does not trigger self-destruction solid-state
The self-destruction of disk 800, but the normal work of control self-destruction solid state hard disc 800.
Preferably, the state and self-destruction solid-state of the first screw 500, the second screw 600 and the 3rd screw 700
The corresponding relation of the self-destruction of hard disk 800 or non-self-destruction is as shown in the table：
When the first screw 500 and the second screw 600 are not disassembled or the first screw 500 and the second screw 600
One of them is disassembled, and the 3rd screw 700 is when being disassembled, the generation self-destruction of self-destruction signal generator module 400
Control signal (i.e. low level signal), self-destruction operation is performed to trigger self-destruction solid state hard disc 800；When first
The assembled state of screw 500, the second screw 600 and the 3rd screw 700 be except aforementioned combinatorial state its
During his assembled state, self-destruction signal generator module 400 generates non-self-destruction control signal (i.e. high level signal),
The normal work of self-destruction solid state hard disc 800.
As one embodiment of the invention, as shown in Fig. 2 the first screw state indicator module 100 includes first
Switch S1, the first voltage-stabiliser tube D1, the first electric capacity C1, first resistor R1 and second resistance R2.
The control end of first switch S1 is the screw detecting end of the first screw state indicator module 100, first
The first connection end for switching S1 is connected with power supply ground, the second connection end and first voltage-stabiliser tube of first switch S1
The first end of the negative pole of D1, the first end of the first electric capacity C1 and first resistor R1 is connected, the first voltage-stabiliser tube
Second end of the positive pole of D1 and the first electric capacity C1 is connected with power supply, second end of first resistor R1 and
The first end of second resistance R2 connects the output end to form the first screw state indicator module 100, the second electricity altogether
The first end for hindering R2 is connected with power supply V1.
Specifically, when the first screw 500 is disassembled, the control end of first switch S1 makes first switch S1
The first connection end and the second connection end between disconnect so that first switch S1 be off state；When
When first screw 500 is not disassembled, the control end of first switch S1 makes first connection end of first switch S1
The closed communicating between the second connection end, so that first switch S1 is in closure conducting state.
Preferably, first switch S1 can be switch shrapnel.
As one embodiment of the invention, as shown in Fig. 2 the second screw state indicator module 200 includes second
Switch S2, the second voltage-stabiliser tube D2, the second electric capacity C2,3rd resistor R3 and the 4th resistance R4.
The control end of second switch S2 is the screw detecting end of the second screw state indicator module 200, second
The first connection end for switching S2 is connected with power supply ground, the second connection end and second voltage-stabiliser tube of second switch S2
The first end of the negative pole of D2, the first end of the second electric capacity C2 and 3rd resistor R3 is connected, the second voltage-stabiliser tube
Second end of the positive pole of D2 and the second electric capacity C2 is connected with power supply, second end of 3rd resistor R3 and
The first end of the 4th resistance R4 connects the output end to form the second screw state indicator module 200, the 4th electricity altogether
The first end for hindering R4 is connected with power supply V1.
Specifically, when the second screw 600 is disassembled, the control end of second switch S2 makes second switch S2
The first connection end and the second connection end between disconnect so that second switch S2 be off state；When
When second screw 600 is not disassembled, the control end of second switch S2 makes first connection end of second switch S2
The closed communicating between the second connection end, so that second switch S2 is in closure conducting state.
Preferably, second switch S2 can be switch shrapnel.
As one embodiment of the invention, as shown in Fig. 2 the 3rd screw state indicator module 300 includes the 3rd
Switch S3, the 3rd voltage-stabiliser tube D3, the 3rd electric capacity C3, the 5th resistance R5 and the 6th resistance R6.
The control end of the 3rd switch S3 is the screw detecting end of the 3rd screw state indicator module 300, the 3rd
The first connection end for switching S3 is connected with power supply ground, and the 3rd switchs the second connection end and the 3rd voltage-stabiliser tube of S3
The first end of the negative pole of D3, the first end of the 3rd electric capacity C3 and the 5th resistance R5 is connected, the 3rd voltage-stabiliser tube
Second end of the positive pole of D3 and the 3rd electric capacity C3 is connected with power supply, second end of the 5th resistance R5 and
The first end of the 6th resistance R6 connects the output end to form the 3rd screw state indicator module 300, the 6th electricity altogether
The first end for hindering R6 is connected with power supply V1.
Specifically, when the 3rd screw 700 is disassembled, the control end of the 3rd switch S3 makes the 3rd switch S3
The first connection end and the second connection end between disconnect so that the 3rd switch S3 be off state；When
When 3rd screw 700 is not disassembled, the control end of the 3rd switch S3 makes first connection end of the 3rd switch S3
The closed communicating between the second connection end, so that the 3rd switch S3 is in closure conducting state.
Preferably, the 3rd switch S3 can be switch shrapnel.
As one embodiment of the invention, as shown in Fig. 2 self-destruction signal generator module 400 includes the 7th resistance
R7, the 8th resistance R8, the 9th resistance R9, the tenth resistance R10, the 11st resistance R11, the 12nd electricity
Resistance R12, the 13rd resistance R13, the 14th resistance R14, the 4th electric capacity C4, the 5th electric capacity C5, the
One with door G1, second and door G2, first switch pipe 401 and second switch pipe 402.
The first end of the first end, the first end of the 8th resistance R8 and the 11st resistance R11 of the 7th resistance R7
The respectively first input end of self-destruction signal generator module 400, the second input and the 3rd input, the 7th
Second end at second end of resistance R7, second end of the 8th resistance R8 and the 11st resistance R11 is respectively with
One with second input 2 of the first input end 1, first of door G1 and door G1 and second and the of door G2
Two inputs 4 are connected, first with the earth terminal of door G1, second with earth terminal, the 9th resistance of door G2
Second end of R9, second end of the 12nd resistance R12, the output end of first switch pipe 401 and second open
The output end for closing pipe 402 is connected with power supply, the electricity of the power end of first and door G1 and second and door G2
Source is connected with power supply V1, and first is connected through the 4th electric capacity C4 with the power end of door G1 with power supply,
Second is connected through the 5th electric capacity C5 with the power end of door G2 with power supply, first with the output end of door G1 with
The first end of the 9th resistance R9, the control end of first switch pipe 401 be connected, first switch pipe 401 it is defeated
Enter end to be connected with second with the first input end 3 of door G2, the first end of the tenth resistance R10, the tenth resistance
Second end of R10 is connected with power supply V1, the output end of second and door G2 and the first of the 12nd resistance R12
End, the first end of the 13rd resistance R13 are connected, the second end and the second switch pipe of the 13rd resistance R13
402 control end is connected, and the input of second switch pipe 402 is through the 14th resistance R14 and power supply V1 phases
Even, the input of second switch pipe 402 is the output end of self-destruction signal generator module 400.
Preferably, first switch pipe 401 be the first NMOS tube Q1, the grid of the first NMOS tube Q1,
Drain electrode and source electrode are respectively control end, input and the output end of first switch pipe 401；Second switch pipe 402
For the second NMOS tube Q2, the second NMOS tube Q2 grid, drain electrode and source electrode be respectively second switch
The control end of pipe 402, input and output end.
Preferably, power supply V1 is 3.3V.
The circuit of the hard disk self-desttruction equipment shown in Fig. 2 is described in detail below in conjunction with operation principle：
When the first screw 500 is disassembled, first switch S1 disconnects, the first screw state indicator module 100
Output high level；When the first screw 500 is not disassembled, first switch S1 closures, the first screw state refers to
Show that module 100 exports low level.Second screw state indicator module 200 and the 3rd screw state indicator module
300 operation principle is identical with the first screw state indicator module 100.
When the output of the first screw state indicator module 100 low level, the second screw state indicator module 200 are defeated
When going out low level, the output high level of the 3rd screw state indicator module 300, first is defeated with the first of door G1
Enter end 1 and first and be low level, second input of second and door G2 with second input 2 of door G1
4 is high level.Therefore, first low level is exported with the output end of door G1, first switch pipe 401 is not turned on,
The input of first switch pipe 401 is high level with the first input end 3 of door G2 for high level, i.e., second,
Second exports high level with the output end of door G2, and second switch pipe 402 is turned on, therefore second switch pipe 402
Input be self-destruction signal generator module 400 output end output low level, the low level triggering self-destruction consolidate
State hard disk 800 performs self-destruction operation.
When the output of the first screw state indicator module 100 low level, the second screw state indicator module 200 are defeated
When going out high level, the output high level of the 3rd screw state indicator module 300, first is defeated with the first of door G1
It is low level, second input 2 and second and second input 4 of door G2 of first and door G1 to enter end 1
It is high level.Therefore, first low level is exported with the output end of door G1, first switch pipe 401 is not led
Logical, the input of first switch pipe 401 is height with the first input end 3 of door G2 for high level, i.e., second
Level, second exports high level with the output end of door G2, and second switch pipe 402 is turned on, therefore second opens
The input for closing pipe 402 is the output end output low level of self-destruction signal generator module 400, and the low level is touched
Self-destruction operation is performed from solid state hard disc 800 is ruined.
When the output of the first screw state indicator module 100 high level, the second screw state indicator module 200 are defeated
When going out low level, the output high level of the 3rd screw state indicator module 300, first is defeated with the first of door G1
Enter end 1 and second and be high level, second input of first and door G1 with second input 4 of door G2
2 is low level.Therefore, first low level is exported with the output end of door G1, first switch pipe 401 is not turned on,
The input of first switch pipe 401 is high level with the first input end 3 of door G2 for high level, i.e., second,
Second exports high level with the output end of door G2, and second switch pipe 402 is turned on, therefore second switch pipe 402
Input be self-destruction signal generator module 400 output end output low level, the low level triggering self-destruction consolidate
State hard disk 800 performs self-destruction operation.
When the output of the first screw state indicator module 100 high level, the second screw state indicator module 200 are defeated
When going out high level, the output high level of the 3rd screw state indicator module 300, first is defeated with the first of door G1
Enter end 1, first and be electricity high with second input 4 of door G2 with second input 2 and second of door G1
It is flat.Therefore, first high level is exported with the output end of door G1, first switch pipe 401 is turned on, and first opens
It is low level, second with the first input end 3 of door G2 that the input of pipe 401 is closed for low level, i.e., second
Output end with door G2 exports low level, and second switch pipe 402 is not turned on, therefore second switch pipe 402
Input be self-destruction signal generator module 400 output end output high level, the high level makes self-destruction solid-state
The normal work of hard disk 800.
When the output of the first screw state indicator module 100 low level, the second screw state indicator module 200 are defeated
When going out low level, the output low level of the 3rd screw state indicator module 300, first is defeated with the first of door G1
Enter end 1, first and be low electricity with second input 4 of door G2 with second input 2 and second of door G1
It is flat.Therefore, first low level is exported with the output end of door G1, first switch pipe 401 is not turned on, first
The input of switching tube 401 is high level with the first input end 3 of door G2 for high level, i.e., second, the
Two export low level with the output end of door G2, and second switch pipe 402 is not turned on, therefore second switch pipe 402
Input be self-destruction signal generator module 400 output end output high level, the high level makes self-destruction solid-state
The normal work of hard disk 800.
When the output of the first screw state indicator module 100 low level, the second screw state indicator module 200 are defeated
When going out high level, the output low level of the 3rd screw state indicator module 300, first is defeated with the first of door G1
Enter end 1 and second and be low level, second input of first and door G1 with second input 4 of door G2
2 is high level.Therefore, first low level is exported with the output end of door G1, first switch pipe 401 is not turned on,
The input of first switch pipe 401 is high level with the first input end 3 of door G2 for high level, i.e., second,
Second exports low level with the output end of door G2, and second switch pipe 402 is not turned on, therefore second switch pipe
402 input is the output end output high level of self-destruction signal generator module 400, and the high level makes self-destruction
The normal work of solid state hard disc 800.
When the output of the first screw state indicator module 100 high level, the second screw state indicator module 200 are defeated
When going out low level, the output low level of the 3rd screw state indicator module 300, first is defeated with the first of door G1
It is high level, second input 2 and second and second input 4 of door G2 of first and door G1 to enter end 1
It is low level.Therefore, first low level is exported with the output end of door G1, first switch pipe 401 is not led
Logical, the input of first switch pipe 401 is height with the first input end 3 of door G2 for high level, i.e., second
Level, second exports low level with the output end of door G2, and second switch pipe 402 is not turned on, therefore second
The input of switching tube 402 is the output end output high level of self-destruction signal generator module 400, the high level
Make the normal work of self-destruction solid state hard disc 800.
When the output of the first screw state indicator module 100 high level, the second screw state indicator module 200 are defeated
When going out high level, the output low level of the 3rd screw state indicator module 300, first is defeated with the first of door G1
Enter end 1 and first and be high level, second input of second and door G2 with second input 2 of door G1
4 are low level.Therefore, first high level is exported with the output end of door G1, first switch pipe 401 is turned on,
The input of first switch pipe 401 is low level with the first input end 3 of door G2 for low level, i.e., second,
Second exports low level with the output end of door G2, and second switch pipe 402 is not turned on, therefore second switch pipe
402 input is the output end output high level of self-destruction signal generator module 400, and the high level makes self-destruction
The normal work of solid state hard disc 800.
Based on application advantage of the above-mentioned hard disk self-desttruction equipment in notebook computer, present invention also offers one kind
Notebook computer including above-mentioned hard disk self-desttruction equipment.
In the present invention, hard disk self-desttruction equipment includes the first screw state indicator module 100, the second arachnoid
State indicating module 200, the 3rd screw state indicator module 300, self-destruction signal generator module 400, self-destruction letter
Number generation module 400 just may be used according to the state of the first screw 500, the second screw 600 and the 3rd screw 700
Whether self-destruction solid state hard disc 800 is differentiated being stolen, when judging self-destruction solid state hard disc 800 when being stolen,
The self-destruction control signal of the output of self-destruction signal generator module 400 makes self-destruction solid state hard disc 800 start self-destroying function,
So as to destroy the data in hard disk.Therefore, disassemble notebook computer in eavesdropper and obtain self-destruction solid state hard disc 800
During, the automatically starting self-destroying function of self-destruction solid state hard disc 800, and without triggering self-destroying function manually,
Improve the security of data in hard disk.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in this hair
Any modification, equivalent and improvement made within bright spirit and principle etc., should be included in the present invention
Protection domain within.
Claims (8)
1. the first screw, the second screw, the 3rd screw on a kind of hard disk self-desttruction equipment, with notebook computer
And self-destruction solid state hard disc is connected, first screw and second screw fix the notebook electricity
The rear shell of brain, the 3rd screw fixes the self-destruction solid state hard disc；Characterized in that, the hard disk self-destruction
Device includes the first screw state indicator module, the second screw state indicator module, the 3rd screw state instruction
Module and self-destruction signal generator module；
The screw detecting end of the first screw state indicator module, the second screw state indicator module
The screw detecting end of screw detecting end and the 3rd screw state indicator module connects first spiral shell respectively
Silk, the second screw and the 3rd screw, the output end of the first screw state indicator module, second spiral shell
Silk state indicator module output end and the 3rd screw state indicator module output end respectively with it is described from
First input end, the second input and the 3rd input for ruining signal generator module are connected, the self-destruction signal
The output end of generation module connects the self-destruction solid state hard disc；
The first screw state indicator module, the second screw state indicator module and the 3rd screw
State indicator module is disassembled in first screw respectively, second screw is disassembled and the 3rd spiral shell
Silk exports corresponding disassembly status level signal when being disassembled；
The self-destruction signal generator module is according to the first screw state indicator module, second arachnoid
The disassembly status level signal life that state indicating module and the 3rd screw state indicator module are exported respectively
Into self-destruction control signal, self-destruction operation is performed to trigger the self-destruction solid state hard disc.
2. hard disk self-desttruction equipment as claimed in claim 1, it is characterised in that the first screw state refers to
Show module, the second screw state indicator module and the 3rd screw state indicator module respectively described
Phase is exported when first screw is not disassembled, second screw is not disassembled and the 3rd screw is not disassembled
The level signal answered；
The self-destruction signal generator module is according to the first screw state indicator module, second arachnoid
The level signal that state indicating module and the 3rd screw state indicator module are exported respectively generates non-self-destruction control
Signal, so that the self-destruction solid state hard disc normal work.
3. hard disk self-desttruction equipment as claimed in claim 1, it is characterised in that the first screw state refers to
Show that module includes first switch, the first voltage-stabiliser tube, the first electric capacity, first resistor and second resistance；
The control end of the first switch is the screw detecting end of the first screw state indicator module, described
First connection end of first switch is connected with power supply ground, the second connection end of the first switch and described first
The first end of the negative pole of voltage-stabiliser tube, the first end of first electric capacity and the first resistor is connected, and described the
Second end of the positive pole of one voltage-stabiliser tube and first electric capacity is connected with power supply, and the of the first resistor
The first end of two ends and the second resistance connects the output end to form the first screw state indicator module altogether,
The first end of the second resistance is connected with power supply.
4. hard disk self-desttruction equipment as claimed in claim 1, it is characterised in that the second screw state refers to
Show that module includes second switch, the second voltage-stabiliser tube, the second electric capacity, 3rd resistor and the 4th resistance；
The control end of the second switch is the screw detecting end of the second screw state indicator module, described
First connection end of second switch is connected with the power supply, the second connection end of the second switch with it is described
The first end of the negative pole of the second voltage-stabiliser tube, the first end of second electric capacity and the 3rd resistor is connected, institute
Second end of the positive pole and second electric capacity of stating the second voltage-stabiliser tube is connected with power supply, the 3rd resistor
The second end and the first end of the 4th resistance connect the output to form the second screw state indicator module altogether
End, the first end of the 4th resistance is connected with power supply.
5. hard disk self-desttruction equipment as claimed in claim 1, it is characterised in that the 3rd screw state refers to
Show that module includes the 3rd switch, the 3rd voltage-stabiliser tube, the 3rd electric capacity, the 5th resistance and the 6th resistance；
The control end of the 3rd switch is the screw detecting end of the 3rd screw state indicator module, described
3rd switch the first connection end be connected with the power supply, it is described 3rd switch the second connection end with it is described
The first end of the negative pole of the 3rd voltage-stabiliser tube, the first end of the 3rd electric capacity and the 5th resistance is connected, institute
Second end of the positive pole and the 3rd electric capacity of stating the 3rd voltage-stabiliser tube is connected with power supply, the 5th resistance
The second end and the first end of the 6th resistance connect the output to form the 3rd screw state indicator module altogether
End, the first end of the 6th resistance is connected with power supply.
6. hard disk self-desttruction equipment as claimed in claim 1, it is characterised in that the self-destruction signal produces mould
Block include the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, the 11st resistance, the 12nd resistance,
13rd resistance, the 14th resistance, the 4th electric capacity, the 5th electric capacity, first and door, second and door, first
Switching tube and second switch pipe；
The first of the first end of the 7th resistance, the first end of the 8th resistance and the 11st resistance
End is respectively first input end, the second input and the 3rd input of the self-destruction signal generator module, institute
State the second end difference at second end, the second end of the 8th resistance and the 11st resistance of the 7th resistance
With described first with the first input end of door, described first with the second input of door and described second with door
Second input is connected, described first with the earth terminal of door, described second with earth terminal, the described 9th of door
Second end of resistance, the second end of the 12nd resistance, the output end of the first switch pipe and described
The output end of two switching tubes is connected with power supply, described first with the power end of door and described second with door
Power end is connected with power supply, and described first is connected through the 4th electric capacity with the power end of door with power supply,
Described second is connected through the 5th electric capacity with the power end of door with power supply, described first with the output end of door
The control end of first end, the first switch pipe with the 9th resistance is connected, the first switch pipe
Input is connected with described second with the first input end of door, the first end of the tenth resistance, and the described tenth
Second end of resistance is connected with power supply, described second with the first end of the output end of door and the 12nd resistance,
The first end of the 13rd resistance is connected, the second end and the second switch pipe of the 13rd resistance
Control end is connected, and the input of the second switch pipe is connected through the 14th resistance with power supply, and described the
The input of two switching tubes is the output end of the self-destruction signal generator module.
7. hard disk self-desttruction equipment as claimed in claim 6, it is characterised in that the first switch Guan Wei
One NMOS tube, the grid of first NMOS tube, drain electrode and source electrode are respectively the first switch pipe
Control end, input and output end；The second switch pipe is the second NMOS tube, the 2nd NMOS
The grid of pipe, drain electrode and source electrode are respectively control end, input and the output end of the second switch pipe.
8. a kind of notebook computer, the notebook computer is included as any one of claim 1 to 7
Hard disk self-desttruction equipment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510817553.0A CN106778368B (en) | 2015-11-20 | 2015-11-20 | Notebook computer and hard disk self-destruction device thereof |
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| CN201510817553.0A CN106778368B (en) | 2015-11-20 | 2015-11-20 | Notebook computer and hard disk self-destruction device thereof |
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| CN106778368B CN106778368B (en) | 2023-06-02 |
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| CN111581678A (en) * | 2020-05-11 | 2020-08-25 | 安徽理工大学 | Hard disk self-destruction device for preventing computer files from being stolen |
| CN112669887A (en) * | 2021-01-22 | 2021-04-16 | 郑州科技学院 | Self-destruction protection device for stored information |
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| CN106778368B (en) | 2023-06-02 |
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