CN105824635B - A method of prevent hard disk from accidentally destroying - Google Patents
A method of prevent hard disk from accidentally destroying Download PDFInfo
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- CN105824635B CN105824635B CN201610152154.1A CN201610152154A CN105824635B CN 105824635 B CN105824635 B CN 105824635B CN 201610152154 A CN201610152154 A CN 201610152154A CN 105824635 B CN105824635 B CN 105824635B
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- hard disk
- controller
- destruction
- button
- button switch
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/4401—Bootstrapping
- G06F9/4411—Configuring for operating with peripheral devices; Loading of device drivers
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- Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Input From Keyboards Or The Like (AREA)
- Safety Devices In Control Systems (AREA)
Abstract
The invention discloses a kind of methods for preventing hard disk from accidentally destroying, and belong to hard disc data and destroy field, the technical problem to be solved in the present invention is how fundamentally to prevent hard disk from accidentally destroying, and hard disc data is lost caused by preventing because of maloperation.Technical solution are as follows: this method is that two button switches are connected respectively to same controller, and the state of button switch is judged by controller；The destruction pin of hard disk is connected on controller simultaneously, hard disk is provided by controller for hard disk and destroys signal；After two button switches are pressed simultaneously and maintain 1s-3s, controller issues hard disk to hard disk and destroys signal, after hard disk receives hard disk destruction signal, exports a low pulse by the destruction pin in corresponding hard disk and realizes that the destruction to hard disk operates.
Description
Technical field
The present invention relates to hard disc datas to destroy field, specifically a kind of method for preventing hard disk from accidentally destroying.
Background technique
Currently, the safety of information and confidentiality have been to be concerned by more and more people, especially in military computer field,
In some special cases, it has to promptly hard disc data be destroyed, presently mainly by a switch button to hard
The destruction signal of one low pulse of disk is destroyed.But the method ruined of this key pin the case where cannot preventing maloperation, one
Maloperation situation occurs for denier, will lead to hard disc data loss, this is extremely serious problem in army.
Mechanical false-touch prevention method is generally used, adds a lid that can be started outside button, but this method
It can only prevent from accidentally touching, maloperation in operation can not be prevented, as user of service accidentally pushes the wrong in operation
Key and cause hard disk to be destroyed, still cannot fundamentally solve hard disk accidentally destroy.
The patent No. of Patent No. CN104090854 A discloses a kind of side of safety progress laptop hard data destroying
Method, the present invention be by setting hardware circuit control destroy function while, in BIOS to the unlatching of the hardware circuit into
Row software control, the maloperation for preventing hard disk from destroying by dual ON-OFF control circuit.But the invention there are it is complicated for operation,
The disadvantage of stability difference cannot fundamentally solve the problems, such as that hard disk is accidentally destroyed.
In conclusion how fundamentally to prevent hard disk from accidentally destroying, hard disc data is lost caused by preventing because of maloperation
Mistake is technical problem present in currently available technology.
Summary of the invention
Technical assignment of the invention be against the above deficiency place, provide a kind of structure is simple, production cost is low, be easy to plus
Work, the method for preventing hard disk from accidentally destroying of no pollution to the environment.
The technical solution adopted by the present invention to solve the technical problems is: a method of prevent hard disk from accidentally destroying, the party
Method is that two button switches are connected respectively to same controller, and the state of button switch is judged by controller；Simultaneously by hard disk
Destruction pin be connected on controller, by controller for hard disk provide hard disk destroy signal；When two button switches while quilt
After pressing and maintaining 1s-3s, controller issues hard disk destruction signal after hard disk receives hard disk destruction signal to hard disk and passes through
Destruction operation of the low pulse realization to hard disk is exported in the pin of destroying of corresponding hard disk, avoids directly being controlled by button switch
Hard disk processed destroys signal, to achieve the purpose that prevent maloperation.
Preferably, there are two switch pins, button switch to be connected to control by switch pin for setting on the controller
Device processed, controller judge the state of button switch by the corresponding switch pin of monitoring button switch.
Preferably, the button switch is normally opened or normally closed type momentary type button switch.
More preferably, the controller uses microprocessor or control circuit.Wherein, microprocessor uses single-chip microcontroller.Control
Circuit processed is used to judge the state of button switch, when two button switches are concurrently depressed, and after maintaining 1s-3s, control circuit
It is responsible for carrying out destruction operation to hard disk after hard disk receives hard disk destruction signal to hard disk transmission hard disk destruction signal.
More preferably, the monitoring process of the controller includes the following steps:
(1), controller judges the state of two button switches by the corresponding switch pin of monitoring button switch；
(2), controller judges whether there is button switch and is pressed:
If 1., do not there is button switch to be pressed, then follow the steps (1)；
If 2., there is button switch to be pressed, then follow the steps (3)；
(3), controller judges whether two button switches are concurrently depressed:
If 1., two button switches the case where not being concurrently depressed, judging the button switch pressed, and execute corresponding
Operation；
If 2., two button switches be concurrently depressed, then follow the steps (4)；
(4), after controller judges that two button switches are concurrently depressed, if maintain 1s-3s:
If 1., fail maintain 1s-3s, then follow the steps (1)；
If 2., maintain 1s-3s, controller sends hard disk to hard disk and destroys signal, passes through the destruction in corresponding hard disk
Pin exports a low pulse and realizes that the destruction to hard disk operates.
Compared to the prior art a kind of method for preventing hard disk from accidentally destroying of the invention, has the advantage that
1, two button switches are connected respectively in two switch pins of controller by the present invention, and controller passes through monitoring
Switch pin judges the state of button switch；The destruction pin of hard disk is connected on controller simultaneously, is hard disk by controller
Hard disk is provided and destroys signal；After two button switches are pressed simultaneously and maintain 1s-3s, controller issues hard disk pin to hard disk
Signal is ruined, after hard disk receives hard disk destruction signal, the destruction pin passed through in corresponding hard disk exports a low pulse realization
Destruction operation to hard disk avoids directly controlling hard disk destruction signal by button switch, to achieve the purpose that prevent maloperation；
2, hard disk destruction of the present invention must satisfy two conditions: first is that need two button switches while pressing；Second is that same
When press two button switches after, need to be kept for about one second to three seconds time；So when button switch is individually pressed, no
It will lead to hard disk destruction, can use the feature, make full use of two button switches, for example, two button switches are respectively to press
Button switch one and button switch two control the opening and closing of computer when only button switch one is pressed；Work as button switch
Two individually when pressing, and computer etc. is restarted in control, so both special keys additional without addition, and cost is extremely low and is not take up volume
The external space also can achieve the effect for preventing maloperation from hard disk being caused to be destroyed, play the role of killing two birds with one stone.
Therefore the present invention has the spies such as reasonable, simple, easy to process, small in size, the easy to use, multi-purpose content of structure of design
Point, thus, it has good value for applications.
Detailed description of the invention
In conjunction with attached drawing, the present invention is further described in face.
Attached drawing 1 is a kind of schematic block diagram of method for preventing hard disk from accidentally destroying；
Attached drawing 2 is the circuit diagram of controller；
Attached drawing 3 is the flow chart of monitoring control devices process.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples.
As shown in Fig. 1, a kind of method for preventing hard disk from accidentally destroying of the invention, this method are by two button switches point
It is not connected to same controller, the state of button switch is judged by controller；The destruction pin of hard disk is connected to control simultaneously
On device, hard disk is provided for hard disk by controller and destroys signal；After two button switches are pressed simultaneously and maintain 1s-3s, control
Device processed issues hard disk to hard disk and destroys signal, after hard disk receives hard disk destruction signal, by drawing in the destruction of corresponding hard disk
Foot exports a low pulse and realizes that the destruction to hard disk operates, and avoids directly controlling hard disk destruction signal by button switch, thus
Achieve the purpose that prevent maloperation.Button switch is momentary type button switch open in usual.Controller uses control circuit, such as attached
Shown in Fig. 2, there are two switch pin (P1, P2), button switch to be connected to controller by switch pin for setting on controller, controls
Device processed judges the state of button switch by monitoring P1, P2 switch pin, when two button switches are pressed and held within simultaneously
After the 1s-3s time, controller will export hard disk and destroy signal, and prompt to use as indication signal by light emitting diode D1
Person will execute destruction operation.
The present invention is mainly connected to same controller with two button switches, and the destruction pin of hard disk is also connected to
On the controller.Wherein, two button switches are normally opened or normally closed type momentary type button switch, i.e., only can just change in pressing
Become its open circuit or closed circuit state, automatically resets when not pressing, other types of switch can also be selected as the case may be；Control
Device can perceive button switch while be pressed, and after maintaining stipulated time (about one second to three seconds), i.e. output hard disk destroys signal
To hard disk, (destroying under signal normal condition is high level, when needing to destroy, passes through the destruction pin output one in corresponding hard disk
A low pulse realizes that the destruction to hard disk operates).
As shown in Fig. 3, the monitoring process of controller includes the following steps:
(1), controller judges the state of two button switches by the corresponding switch pin of monitoring button switch；
(2), controller judges whether there is button switch and is pressed:
If 1., do not there is button switch to be pressed, then follow the steps (1)；
If 2., there is button switch to be pressed, then follow the steps (3)；
(3), controller judges whether two button switches are concurrently depressed:
If 1., two button switches the case where not being concurrently depressed, judging the button switch pressed, and execute corresponding
Operation；
If 2., two button switches be concurrently depressed, then follow the steps (4)；
(4), after controller judges that two button switches are concurrently depressed, if maintain 1s-3s:
If 1., fail maintain 1s-3s, then follow the steps (1)；
If 2., maintain 1s-3s, controller sends hard disk to hard disk and destroys signal, passes through the destruction in corresponding hard disk
Pin exports a low pulse and realizes that the destruction to hard disk operates.
Pass through two button switch states of controller real-time monitoring, when any one button switch is pressed, controller
Monitor two button switches whether all in down state (as long as two switches are all pressed and think in certain time error
Two switches are concurrently depressed, because switch can not be pressed simultaneously completely).If not two button switches are pressed simultaneously
When lower, monitoring is specifically which button switch is pressed, and executes corresponding operation.It is right when two button switches are to press simultaneously
Button switch state carries out continuing monitoring, and whether the state for the button switch for judging two while pressing remains to the stipulated time,
It is maloperation if not remaining to the stipulated time；To be destroyed to hard disk if reaching the defined time, by
The destruction pin of corresponding hard disk exports a low pulse to realize the destruction operation to hard disk.
Specific embodiment is stated only and is specific case of the invention, on scope of patent protection of the invention includes but is not limited to
State specific embodiment, any claims for meeting a kind of method for preventing hard disk from accidentally destroying of the invention and any institute
Belong to the appropriate change or replacement that the those of ordinary skill of technical field does it, should all fall into patent protection model of the invention
It encloses.
The technical personnel in the technical field can readily realize the present invention with the above specific embodiments,.But it answers
Work as understanding, the present invention is not limited to a kind of above-mentioned specific embodiments.On the basis of the disclosed embodiments, the technology
The technical staff in field can arbitrarily combine different technical features, to realize different technical solutions.
Except for the technical features described in the specification, it all is technically known to those skilled in the art.
Claims (1)
1. a kind of method for preventing hard disk from accidentally destroying, it is characterised in that: this method is to be connected respectively to two button switches together
One controller is judged the state of button switch by controller；The destruction pin of hard disk is connected on controller simultaneously, by controlling
Device provides hard disk for hard disk and destroys signal；After two button switches are pressed simultaneously and maintain 1s-3s, controller is sent out to hard disk
Hard disk destroys signal out, low by the destruction pin output one in corresponding hard disk after hard disk receives hard disk destruction signal
Pulse realizes that the destruction to hard disk operates；
Wherein, there are two switch pins, button switch to be connected to controller by switch pin for setting on controller, and controller is logical
Cross the state that the corresponding switch pin of monitoring button switch judges button switch；Button switch is normally opened or normally closed type momentary type
Button switch；Controller uses microprocessor or control circuit；
The monitoring process of controller includes the following steps:
(1), controller judges the state of two button switches by the corresponding switch pin of monitoring button switch；
(2), controller judges whether there is button switch and is pressed:
If 1., do not there is button switch to be pressed, then follow the steps (1)；
If 2., there is button switch to be pressed, then follow the steps (3)；
(3), controller judges whether two button switches are concurrently depressed:
If 1., two button switches the case where not being concurrently depressed, judging the button switch pressed, and execute corresponding behaviour
Make；
If 2., two button switches be concurrently depressed, then follow the steps (4)；
(4), after controller judges that two button switches are concurrently depressed, if maintain 1s-3s:
If 1., fail maintain 1s-3s, then follow the steps (1)；
If 2., maintain 1s-3s, controller sends hard disk to hard disk and destroys signal, passes through the destruction pin in corresponding hard disk
The low pulse of output one realizes that the destruction to hard disk operates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610152154.1A CN105824635B (en) | 2016-03-17 | 2016-03-17 | A method of prevent hard disk from accidentally destroying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610152154.1A CN105824635B (en) | 2016-03-17 | 2016-03-17 | A method of prevent hard disk from accidentally destroying |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105824635A CN105824635A (en) | 2016-08-03 |
| CN105824635B true CN105824635B (en) | 2019-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610152154.1A Active CN105824635B (en) | 2016-03-17 | 2016-03-17 | A method of prevent hard disk from accidentally destroying |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109409139B (en) * | 2018-09-11 | 2021-10-12 | 陕西千山航空电子有限责任公司 | Rapid destroying method for flight parameter data card |
| CN111046446A (en) * | 2019-10-24 | 2020-04-21 | 深圳市国科亿道科技有限公司 | Computer with hard disk data self-destruction function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201776269U (en) * | 2010-05-31 | 2011-03-30 | 申伟 | Computer hard disk destroying machine |
| CN202503465U (en) * | 2012-03-09 | 2012-10-24 | 成都思茂科技有限公司 | Clockwise and anticlockwise rotation controller for preventing false activation of motor |
| CN104090854A (en) * | 2014-07-15 | 2014-10-08 | 山东超越数控电子有限公司 | Method for destroying hard disk data of notebook computer safely |
| CN203895125U (en) * | 2013-11-28 | 2014-10-22 | 中国航天科工集团第三研究院第八三五七研究所 | Solid state disk with rapid data destruction function |
| CN204719761U (en) * | 2015-06-04 | 2015-10-21 | 鸿秦（北京）科技有限公司 | A kind of intelligence destroys solid state hard disc |
-
2016
- 2016-03-17 CN CN201610152154.1A patent/CN105824635B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201776269U (en) * | 2010-05-31 | 2011-03-30 | 申伟 | Computer hard disk destroying machine |
| CN202503465U (en) * | 2012-03-09 | 2012-10-24 | 成都思茂科技有限公司 | Clockwise and anticlockwise rotation controller for preventing false activation of motor |
| CN203895125U (en) * | 2013-11-28 | 2014-10-22 | 中国航天科工集团第三研究院第八三五七研究所 | Solid state disk with rapid data destruction function |
| CN104090854A (en) * | 2014-07-15 | 2014-10-08 | 山东超越数控电子有限公司 | Method for destroying hard disk data of notebook computer safely |
| CN204719761U (en) * | 2015-06-04 | 2015-10-21 | 鸿秦（北京）科技有限公司 | A kind of intelligence destroys solid state hard disc |
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| CN105824635A (en) | 2016-08-03 |
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