CN106126444B - Storage device data apparatus for destroying - Google Patents
Storage device data apparatus for destroying Download PDFInfo
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- CN106126444B CN106126444B CN201610442615.9A CN201610442615A CN106126444B CN 106126444 B CN106126444 B CN 106126444B CN 201610442615 A CN201610442615 A CN 201610442615A CN 106126444 B CN106126444 B CN 106126444B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/14—Protection against unauthorised use of memory or access to memory
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Abstract
The present invention relates to a kind of storage device data apparatus for destroying, pass through the first control switch of setting and the second control switch, when the second control switch disconnects, it stores equipment and passes through relay and working power orifice, receive the voltage of working power interface transmission, voltage due to being input to working power interface is less than or equal to voltage rating, so that it is guaranteed that storage equipment works normally, when the second control switch closure, input is higher than the voltage of voltage rating to puncturing power interface, the voltage higher than voltage rating is provided for storage equipment, equipment is stored with breakdown, destroy storage device data.
Description
Technical field
The present invention relates to data security arts, in particular to a kind of storage device data apparatus for destroying.
Background technique
The storage such as solid hard disk equipment can be used for storing data and it checked or is used so that user is subsequent, however,
In the high application of some data confidentiality security levels, needs to store in equipment data and destroy, it is irrecoverable to reach data,
Avoid the purpose stolen by people.The existing mode destroyed for data in storage equipment generally uses manual operation, that is, uses
Family carries out manual operation and deletes the data of storage device end, or is formatted by manual operation, realizes to depositing
Data in storage equipment are destroyed, to prevent the data for allowing people to steal in storage equipment.
However, the existing mode destroyed to data needs user to be just able to achieve by complicated operation sequence, example
Such as, it needs for storage device to connect with computer, it is real by carrying out operation to the data stored in storage device on computers
Now delete, thereby increases and it is possible to since the maloperation of user causes data destroying to fail, thus, it is not easy to destroy data.
Summary of the invention
Based on this, it is necessary to for the problem of the data destroying inconvenience of storage device memory storage, provide a kind of convenient for destruction
Storage device data apparatus for destroying.
A kind of storage device data apparatus for destroying, including the first control switch, the second control switch, working power interface with
And breakdown power interface, the working power interface are connect with first control switch, first control switch and storage
Equipment connection, the breakdown power interface are controlled with the storage equipment, second control switch and described first respectively
Switch connection, the voltage for being input to the working power interface are less than or equal to the voltage rating of the storage equipment, are input to
The voltage of the breakdown power interface is greater than the voltage rating of the storage equipment；
When second control switch disconnects, the storage equipment passes through first control switch and work electricity
Source interface connection passes through the second control switch input voltage to the breakdown potential when second control switch closure
Source interface, the breakdown power interface are that the storage equipment and first control switch are powered, and first control is opened
The voltage for receiving the breakdown power interface is closed, the connection of the storage equipment and the working power interface is disconnected.
Storage device data apparatus for destroying further includes the working power and the breakdown in one of the embodiments,
Power supply, the working power are connect with the working power interface, and the breakdown power supply passes through second control switch and institute
State breakdown power interface connection.
The operating voltage of the working power is 5 volts in one of the embodiments, the operating voltage of the breakdown power supply
It is 24 volts.
Storage device data apparatus for destroying further includes storage equipment connecting interface in one of the embodiments, and described the
One control switch includes relay, and the relay includes that coil, first choice switch and the second selection switch, and described first
Selection switch includes the first fixing end, first choice end and the second selection end, and the second selection switch includes that third selects
End and the 4th selection end, the working power interface includes working power input terminal and working power ground terminal, described to hit
Wearing power interface includes breakdown power input and breakdown power supply ground terminal, and the storage equipment connecting interface includes that voltage is defeated
Outlet and voltage ground end；
The power input of the storage equipment is connect by the voltage output end with first fixing end, the work
Make power input to connect with the first choice end, the breakdown power input respectively with the storage equipment, described
One end of two control switches and the coil connection, it is described second selection end it is hanging, the breakdown power supply ground terminal with it is described
The other end of coil connects, and the ground terminal of the storage equipment is connect by the voltage ground end with second fixing end,
The working power ground terminal is connect with third selection end, and the breakdown power supply ground terminal and the 4th selection end connect
It connects；
When second control switch disconnects, the first fixing end of the relay is connected to the first choice end,
Second fixing end is connected to third selection end, when second control switch closure, passes through the breakdown power supply
To the coil, first fixing end of the relay is switched to be connected input terminal input voltage with second selection end
Logical, second fixing end is switched to be connected to the 4th selection end, and the breakdown power input is the storage equipment
Power supply.
In one of the embodiments, the relay include the first relay and the second relay, described first after
Electric appliance includes first coil and first choice switch, and second relay includes the second coil and second choosing
Select switch, the coil includes the first coil and second coil, the breakdown power input respectively with it is described
One end of first coil and one end of second coil connection, the breakdown power supply ground terminal respectively with the first coil
The other end and second coil the other end connection.
Storage device data apparatus for destroying further includes first diode, the second diode, in one of the embodiments,
Three diodes, the 4th diode, the 5th diode, the 6th diode, first resistor, second resistance, 3rd resistor, the 4th electricity
Resistance, the 5th resistance, the 6th resistance, the first triode and the second triode；
The breakdown power input is connect with the first diode anode, the cathode of the first diode with it is described
Second diode anode connection, the cathode of second diode respectively with one end of the first resistor and described second
One end of resistance connects, the other end of the first resistor respectively with the cathode of the third diode and second coil
One end connection, collection of the other end of positive and described second coil of the third diode with first triode
One end of electrode connection, the base stage of first triode and the other end of the second resistance and the 3rd resistor connects
It connects, the other end ground connection of the 3rd resistor, the emitter ground connection of first triode；
The breakdown power input is connect with the 4th diode cathode, the cathode of the 4th diode with it is described
The anode connection of 5th diode, the cathode of the 5th diode one end and the described 5th with the 4th resistance respectively
One end of resistance connects, the other end of the 4th resistance respectively with the cathode of the 6th diode and the first coil
One end connection, collection of the other end of the positive and described first coil of the 6th diode with second triode
One end of electrode connection, the other end and the 6th resistance of the base stage of second triode and the 5th resistance connects
It connects, the other end ground connection of the 6th resistance, the emitter ground connection of second triode.
The resistance value of the first resistor is 10 Europe in one of the embodiments, and the resistance value of the second resistance is 15,000
Europe, the resistance value of the 3rd resistor are 1 kilo-ohm, and the resistance value of the 4th resistance is 10 Europe, and the resistance value of the 5th resistance is 15
Kilo-ohm, the resistance value of the 6th resistance is 1 kilo-ohm.
The length of the relay is 18 millimeters in one of the embodiments, and width is 15 millimeters, with a thickness of 5 millimeters.
The maximum power of the relay is 180 watts in one of the embodiments, and maximum current is 6 peaces.
The contact dielectric withstanding voltage of the relay is 1000 volts in one of the embodiments,
Above-mentioned storage device data apparatus for destroying, by the first control switch of setting and the second control switch, second
When control switch disconnects, storage equipment is connect by the first control switch and working power orifice by working power interface
Voltage is received, the voltage due to being input to working power interface is worked normally no more than voltage rating so that it is guaranteed that storing equipment, when
When second control switch is closed, breakdown power interface receives voltage by the second control switch, is input to breakdown power interface
Voltage is greater than the voltage rating of storage equipment, and breakdown power interface provides for storage equipment higher than voltage rating after receiving voltage
Voltage is to puncture storage equipment, to make to store equipment destruction, the data destroying for storing it, it is ensured that the data in storage equipment
It is not stolen by others.The connection and disconnection that storage equipment and working power interface is controlled by the first control switch, pass through second
Control switch is higher than the voltage of voltage rating to puncturing power interface to control whether input, so as to working power interface with hit
The isolation for wearing power interface, when the second control switch closure, input is higher than the voltage of voltage rating to power interface is punctured, and is
It stores equipment and the voltage for being higher than voltage rating is provided, to puncture storage equipment, without user using complicated manual operation to depositing
It stores up equipment and carries out data destruction, convenient for being destroyed to the data in storage equipment.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the storage device data apparatus for destroying of embodiment；
Fig. 2 is the structural schematic diagram of the storage device data apparatus for destroying of another embodiment；
Fig. 3 is the structural schematic diagram of the first control switch in the storage device data apparatus for destroying of another embodiment；
Fig. 4 is the connection knot of breakdown power supply and the second relay in the storage device data apparatus for destroying of another embodiment
Structure schematic diagram；
Fig. 5 is the connection knot of breakdown power supply and the first relay in the storage device data apparatus for destroying of another embodiment
Structure schematic diagram.
Specific embodiment
Referring to Fig. 1, providing a kind of storage device data apparatus for destroying of embodiment, including the first control switch 100,
Two control switches 200, working power interface 300 and breakdown power interface 400, the first control switch 100 and storage equipment 500
Connection, the first control switch 100 connect with working power interface 300, puncture power interface 400 respectively with store equipment 500, the
Two control switches 200 and the connection of the first control switch 100, the voltage for being input to working power interface 300 are less than or equal to institute
State the voltage rating of storage equipment 500.When the second control switch 200 disconnects, storage equipment 500 passes through the first control switch
100 are connected to working power interface 300, when the second control switch 200 closure, pass through 200 input voltage of the second control switch
To breakdown power interface 400, breakdown power interface 400 is storage equipment 500 and the power supply of the first control switch 100, the first control
The voltage that switch 100 receives breakdown power interface 400 is made, the first control switch 100 disconnects storage equipment 500 and connects with working power
The connection of mouth 300, the voltage for being input to the breakdown power interface 400 are greater than the voltage rating of the storage equipment 500.
Above-mentioned storage device data apparatus for destroying, by the way that the first control switch 100 and the second control switch 200 is arranged,
When the second control switch 200 disconnects, storage equipment 500 is connected to by the first control switch 100 with working power interface 300,
Voltage is received by working power interface 300, the voltage due to being input to working power interface 300 is not more than voltage rating, from
And ensure to store equipment 500 and work normally, when the second control switch 200 is closed, breakdown power interface 400 passes through the second control
Switch 200 receives voltage, and the voltage for being input to breakdown power interface 400 is greater than the voltage rating of storage equipment 500, punctures power supply
Interface 400 is that storage equipment 500 provides the voltage higher than voltage rating to puncture storage equipment 500, to make after receiving voltage
It stores equipment 500 to destroy, the data destroying for storing it, it is ensured that the data in storage equipment 500 are not stolen by others, and first
Control switch 100 disconnects the connection of storage equipment 500 and working power interface 300, so that storage equipment 500 is not connected to work simultaneously
Make power interface 300 and breakdown power interface 400, it is ensured that safety.By the first control switch 100 control storage equipment 500 with
The connection and disconnection of working power interface 300, by the second control switch 200 to control whether that input is higher than the electricity of voltage rating
It is depressed into breakdown power interface 400, so that working power interface 300 is isolated with breakdown power interface 400, controls and opens when second
When closing 200 closure, input is higher than the voltage of voltage rating to power interface 400 is punctured, and provides for storage equipment 500 higher than specified
The voltage of voltage stores equipment 500 with breakdown, carries out data to storage equipment 500 using complicated manual operation without user
It destroys, convenient for being destroyed to the data in storage equipment 500.And due to the first control switch 100 and the second control switch
200 size is small and cheap, so that the size of entire apparatus for destroying reduces, and reduces cost.
Referring to Fig. 2, above-mentioned 500 data destruction device of storage equipment further includes work electricity in one of the embodiments,
Source 600 and breakdown power supply 700, the working power 600 are connect with the working power interface 300, the breakdown power supply 700
It is connect by second control switch 200 with the breakdown power interface 400.It is working power by working power 600
Interface 300 provides the voltage for being less than or equal to storage 500 voltage rating of equipment, is breakdown power interface by breakdown power supply 700
400 provide the voltage for being greater than voltage rating.In the present embodiment, the operating voltage of working power 600 is 5 volts, punctures power supply 700
Operating voltage be 24 volts.
Voltage is provided for the storage such as solid state hard disk of equipment 500 by working power 600, provides normal read-write data for it
Voltage, it is ensured that it is worked normally, at this point, do not puncture the input of power supply 700, under normal circumstances, stores the normal work of equipment 500
The voltage of work is 5 volts, thus, in the present embodiment, when the second control switch 200 disconnects, working power 600 passes through the first control
Switch 100 is connected to storage equipment 500, and working power 600, which is selected as, provides the power supply of 5 volts of voltage.It is needing to storage equipment
500 when being destroyed, and storage equipment 500 without necessity of normal work, is closed the second control switch 200, at this point, breakdown potential
Source 700 is connected to by the second control switch 200 with storage equipment 500, and breakdown power supply 700 is that storage equipment 500 provides voltage, is hit
Wearing power supply 700 is that the first control switch 100 provides voltage, after the coil of the first control switch 100 is powered, can control contact and cut
It changes, makes between working power 600 and storage equipment 500 to be to disconnect, that is to say, that be closed in the second control switch 200, breakdown potential
When source 700 is that storage equipment 500 is powered, the first control switch 100 disconnects work when receiving the voltage that breakdown power supply 700 provides
Make power supply 600 and store the connection of equipment 500, so that only breakdown power supply 700 is that storage equipment 500 is powered, realizes breakdown potential
Source 700 is isolated with working power 600.In the case where no working power provides voltage, the related control circuit with destruction
It is converted to suitable power source as the power supply for destroying control circuit by breakdown power supply 700 to destroy storage equipment 500, in height
When pressure is destroyed, the energy and control circuit power supply for destroying storage equipment 500 are both from breakdown power supply 700.Under normal circumstances, it deposits
Storage equipment 500 can generate breaking-up when being more than its voltage rating, thus, in the present embodiment, breakdown power supply 700 provides
Voltage is higher than the voltage rating of storage equipment 500, and specifically, the operating voltage of breakdown power supply 700 is 24 volts.
Referring to Fig. 3, in one of the embodiments, further include storing equipment connecting interface (not shown), described first
Control switch 100 includes relay 110, and relay 110 includes coil 120, first choice switch 130 and the second selection switch
140, first choice switch 130 includes the first fixing end A1, first choice end B1 and the second selection end B2, the second selection switch
140 include third selection end B3 and the 4th selection end B4, the working power interface 300 include working power input terminal C1 with
And working power ground terminal C2, the breakdown power interface 400 include breakdown power input D1 and breakdown power supply ground terminal
D2, the storage equipment connecting interface include voltage output end E1 and voltage ground end E2, store the power input of equipment 500
End is connect by voltage output end E1 with the first fixing end A1, and the working power input terminal C1 and the first choice end B1 connect
Connect, the breakdown power input D1 respectively with the storage equipment 500, second control switch 200 and the coil
120 one end connection, the second selection end B2 is hanging, the other end of breakdown the power supply ground terminal D2 and the coil 120
The ground terminal of connection, the storage equipment 500 is connect by the voltage ground end E2 with the second fixing end A2, the work
Make power ground end C2 to connect with third selection end B3, the breakdown power supply ground terminal D2 and the 4th selection end B4 connect
It connects.
When second control switch 200 disconnects, the first fixing end A1 of the relay 110 and the first choice
B1 connection is held, the second fixing end A2 is connected to third selection end B3, when second control switch 200 closure,
By the breakdown power input D1 input voltage to the coil 120, the first fixing end A1 of the relay 110
It switches to and is connected to the second selection end B2, the second fixing end A2 is switched to be connected to the 4th selection end B4, institute
Breakdown power input D1 is stated as the storage equipment 500 power supply.Since the first fixing end A1 passes through voltage output end E1 and deposits
The power input of storage equipment 500 is connection, and the second selection end B2 is hanging, thus, it is closed in the second control switch 200
When, A1 is connected to B2, indicates that the power input of storage equipment 500 is hanging, working power interface 300 and storage equipment
Power input is to disconnect, and no longer provides voltage for storage equipment 500, and punctures power interface 400 at this time and pass through the second control
Make the receivable voltage of switch 200, breakdown power interface 400 be with storage equipment 500 connect, thus, by breakdown power supply connect
Mouth 400 provides voltage for storage equipment 500 to puncture storage equipment 500.
Specifically, it is the power supply of working power interface 300 by working power 600, is breakdown power supply by breakdown power supply 700
Interface 400 is powered, i.e., the power output end of working power 600 is connect with the working power input terminal C1 of working power interface 300,
The ground terminal of working power 600 is connect with the working power ground terminal C2 of working power interface 300, punctures the power supply of power supply 700
Output end is connect by the second control switch 200 with the breakdown power input D1 for puncturing power interface 400, and power supply 700 is punctured
Ground terminal with breakdown power interface 400 breakdown power supply ground terminal connect.Puncture coil of the power supply 700 as relay 110
120 driving signal, when storing 500 normal reading writing working of equipment, since 120 driving signal of coil does not have voltage, relay 110
In normally closed, i.e. the first fixing end A1 of relay 110 is connected to first choice end B1, and the second fixing end A2 and third select end
B3 connection is connected to so that storage equipment 500 passes through relay 110 with working power 600, i.e. the power supply of working power 600
Output end is connected to the power input of storage equipment 500, the ground terminal of working power 600 and the ground terminal of storage equipment 500
Connection, the entire equipment 500 that stores are in 600 power supply state of working power.When storage equipment 500 receives breakdown power supply 700
After voltage, relay 110 also receives the voltage of breakdown power supply 700,110 contact change-over of relay, i.e. the first of relay 110
Fixing end A1 is switched to be connected to the second selection end B2, and the second fixing end A2 is switched to be connected to the 4th selection end B4, breakdown potential
Source 700 is that storage equipment 500 is powered, and breakdown power supply 700 is connected to relay 110, at this point, the power supply of working power 600 exports
The ground terminal of end and working power 600 is disconnected with storage equipment 500, stores the ground terminal and breakdown power supply 700 of equipment 500
Ground terminal be connection, breakdown power supply 700 be storage equipment 500 power, due to breakdown power supply 700 provide voltage it is higher,
It is destroyed so as to make to store equipment 500, it is ensured that its data stored is not stolen.It is connected to by the contact of above-mentioned relay 110
Switching, only a kind of power supply act on storage equipment 500 and power for it, and working power 600 or breakdown power supply 700 are storage equipment
Complementary interference before the two when 500 power supply.
Please continue to refer to Fig. 3, in one of the embodiments, relay 110 include the first relay 111 and second after
Electric appliance 112, the first relay 111 include first coil 121 and first choice switch 130, and the second relay 112 includes second
Coil 122 and the second selection switch 140, coil 120 include first coil 121 and the second coil 122, puncture power input
End D1 connect with one end of one end of first coil 121 and the second coil 122 respectively, punctures power supply ground terminal D2 respectively with the
The connection of the other end of the other end of one coil 121 and the second coil 122.
By the way that 2 relays are arranged, wherein the first relay 111 controls working power input terminal C1, storage equipment 500
Power input E1 and second selection end B2 between connection switching, the second relay 112 control working power ground terminal
Connection switching between C2, the ground terminal E2 for storing equipment 500 and breakdown power supply ground terminal D2, stores the power supply of equipment 500
Input terminal E1 and ground terminal E2 switch simultaneously, as long as i.e. the second control switch 200 is closed, puncture 700 input voltage of power supply, work
Power input C1 and working power ground terminal C2 is disconnected with storage equipment 500 simultaneously, so that working power 600 and storage equipment
It is fully disconnected on 500 electric appliances, reaches breakdown power supply 700 with working power 600 and purpose is isolated.
Please continue to refer to Fig. 3, in above-mentioned first relay 111, the first fixing end A1 is the public of the first relay 111
End, first choice end B1 are the normal-closed end of the first relay 111, and the second selection end B2 is the normally opened of the first relay 111
End, when the first coil 121 of the first relay 111 is not powered, the first relay 111 is that is to say in normally off
Say that the public end of the first relay 111 is connected to normal-closed end, the first fixing end A1 is connected to first choice end B1, in the first relay
When the first coil 121 of device 111 is powered, the first relay 111 is in normally open, that is to say, that public end and normally open end connect
Logical, the first fixing end A1 is connected to the second selection end B2.In above-mentioned second relay 112, the second fixing end A2 be second after
The public end of electric appliance 112, third selection end B3 be the second relay 112 normal-closed end, the 4th selection end B4 be second after
The normally open end of electric appliance 112, when the second coil 122 of the second relay 112 is not powered, the second relay 112 is in normal
Closed state also says that the public end of the second relay 112 is connected to normal-closed end in time, i.e. the second fixing end A2 and third select end B3
Connection, when the second coil 122 of the second relay 112 is powered, the second relay 112 is in normally open, that is to say, that the
The public end of two relays 112 is connected to normally open end, i.e. the second fixing end A2 is connected to the 4th selection end B4.Pass through above-mentioned relay
The connected state of device 110 can control the connected state of storage equipment 500 and working power 600, when relay 110 is not powered
When, first coil 121 and the second coil 122 are not powered, and are in normally off, the first fixing end A1 and first choice end B1
Connection, working power 600 are connected to storage equipment 500, and working power 600 is that storage equipment 500 provides normal working voltage, when
Second control switch 200 closure, when relay 110 is powered, first coil 121 and the second coil 122 are powered, and are in normally opened shape
State, the first fixing end A1 and first choice end B1 are disconnected, and working power 600 and storage equipment 500 disconnect, and working power 600 is not
Normal working voltage is provided for storage equipment 500 again, at this point, the selection of the first fixing end A1 and second end B2, the second selection end B2
Vacantly, breakdown power supply 700 is the storage power supply of equipment 500 to puncture storage equipment by the second control switch 200.
Referring to Fig. 4, above-mentioned storage device data apparatus for destroying further includes first diode in one of the embodiments,
T1, the second diode T2, third diode T3, first resistor R1, second resistance R2,3rd resistor R3 and the first triode
Q1.Breakdown power input D1 is connect with first diode T1 anode, the cathode of first diode T1 and the second diode T2's
Anode connection, the cathode of the second diode T2 are connect with one end of one end of first resistor R1 and second resistance R2 respectively, the
The other end of one resistance R1 is connect with one end of the cathode of third diode T3 and the second coil 122 respectively, third diode
The other end of the anode of T3 and the second coil 122 is connect with the collector of the first triode Q1, the base of the first triode Q1
Pole is connect with one end of the other end of second resistance R2 and 3rd resistor R3, the other end ground connection of 3rd resistor R3, and the one or three
The emitter of pole pipe Q1 is grounded, and specifically, the other end of 3rd resistor R3 is to connect the ground terminal for puncturing power supply 700, and the one or three
The emitter of pole pipe Q1 is the ground terminal of connection breakdown power supply 700.In the present embodiment, the resistance value of first resistor R1 is 10 Europe,
The resistance value of second resistance R2 is 15 kilo-ohms, and the resistance value of 3rd resistor R3 is 1 kilo-ohm.Specifically, the model of the first triode Q1
MMBT3904LT1G.Specifically, puncture power supply 700 (being 24V power supply in Fig. 4) control relay 110 to switch.It is defeated without breakdown power supply
Fashionable, second fixing end A2 of the second relay 112 is connected to third selection end B3 in relay 110, and the second fixing end A2 connects
The ground terminal of storage equipment 500 is connect, i.e. GND in figure, third selection end B3 is connected with the ground terminal of 5V working power, i.e. in Fig. 4
GND_5V.When having breakdown power input, voltage is controlled the selection of the second fixing end A2 and the 4th end B4 and is connected by the second coil 122
Logical, the 4th selection end B4 connection punctures the ground terminal of power supply 700, i.e. GND_24V in Fig. 4.
Referring to Fig. 5, above-mentioned storage device data apparatus for destroying further includes the 4th diode T4, the 5th diode T5,
Six diode T6, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6 and the second triode Q2.The breakdown power input
End D1 is connect with the 4th diode T4 anode, the cathode of the 4th diode T4 and the anode of the 5th diode T5
Connection, the cathode of the 5th diode T5 one end with one end of the 4th resistance R4 and the 5th resistance R5 respectively
Connection, the other end of the 4th resistance R4 respectively with the cathode of the 6th diode T6 and the first coil 121
One end connection, the other end of the positive and described first coil 121 of the 6th diode T6 with second triode
The collector of Q2 connects, the base stage of the second triode Q2 and the other end and the 6th resistance of the 5th resistance R5
One end of R6 connects, the other end ground connection of the 6th resistance R6, the emitter ground connection of the second triode Q2.Specifically,
The other end of 6th resistance R6 is the ground terminal of connection breakdown power supply 700, and the emitter of the second triode Q2 is connection breakdown potential
The ground terminal in source 700.In the present embodiment, the resistance value of the 4th resistance R4 is 10 Europe, and the resistance value of the 5th resistance R5 is 15 kilo-ohms, the
The resistance value of six resistance R6 is 1 kilo-ohm.Specifically, the model MMBT3904LT1G of the second triode Q2.Puncture 700 (Fig. 5 of power supply
In be 24V power supply) control relay 110 switch.When without breakdown power input, the first of the first relay 111 in relay 110
Fixing end A1 is connected to first choice end B1, and the first fixing end A1 connection stores the power input of equipment 500, i.e. 5V in Fig. 5
Input, first choice end B1 are connected with the power output end of 5V working power, i.e. working power _ 5V in Fig. 5.There is breakdown power supply defeated
Fashionable, voltage is connected to by first coil 121, the first fixing end A1 of control with the second selection end B2, and the second selection end B2 is hanging.
It is formed by the connection relationship of said elements and element and destroys the control circuit for storing device-dependent, to breakdown
The voltage that power supply provides is input to storage equipment after being handled again, i.e., related control circuit is turned by breakdown power supply with destruction
It is changed to suitable power source to destroy storage equipment as the power supply for destroying control circuit, improves the entire safety for destroying device
And stability.
The length of relay 110 is 18 millimeters in one of the embodiments, and width is 15 millimeters, with a thickness of 5 millimeters,
The maximum power of relay 110 is 180 watts, and maximum current is 6 peaces, and the contact dielectric withstanding voltage of relay 110 is 1000 volts.
Relay 110 is power relay in ultrathin type, and concrete model HF41F/18-Z8TG, which is level
PCB (Printed Circuit Board, printed circuit board) mount type needs to reduce the area occupied of entire apparatus for destroying
Reduce the size of apparatus for destroying, thus in this embodiment, 110 thickness of relay of use only 5mm, and in order to ensure relay
110 working efficiency, size cannot be too small, so that in the present embodiment, the installation dimension of relay 100 is 18 millimeter of * 15 milli
* 5 millimeters of rice.Since when destroying to storage equipment 500, the voltage of entire apparatus for destroying is mentioned by breakdown power supply 700
It supplies, when working power 600 and breakdown power supply 700 being isolated by relay 110, the power of relay 110 needs
To guarantee, to ensure to puncture safety and accuracy, to select 180 watts of maximum power switched, maximum current 6 is pacified, and contact is situated between
The relay 110 of matter 1000 alternating voltages of pressure resistance, in power, efficiency, ruler when puncturing storage equipment 500 to meet to destroy data
Requirement very little, in terms of cost.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
Above embodiments only express several embodiments of the invention, and the description thereof is more specific and detailed, but can not be because
This and be construed as limiting the scope of the patent.It should be pointed out that for those of ordinary skill in the art, not
Under the premise of being detached from present inventive concept, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.Cause
This, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (9)
1. a kind of storage device data apparatus for destroying, which is characterized in that including the first control switch, the second control switch, work
Power interface and breakdown power interface, the working power interface are connect with first control switch, first control
Switch with store equipment connect, the breakdown power interface respectively with the storage equipment, second control switch and institute
The connection of the first control switch is stated, the voltage for being input to the working power interface is less than or equal to the specified electricity of the storage equipment
Pressure, the voltage for being input to the breakdown power interface are greater than the voltage rating of the storage equipment；
When second control switch disconnects, the storage equipment is connect by first control switch with the working power
Mouth connection is connect when second control switch closure by the second control switch input voltage to the breakdown power supply
Mouthful, the breakdown power interface is that the storage equipment and first control switch are powered, and first control switch connects
The voltage for receiving the breakdown power interface disconnects the connection of the storage equipment and the working power interface；The work electricity
Source interface includes working power input terminal and working power ground terminal；
It further include storage equipment connecting interface, first control switch includes relay, and the relay includes coil, first
Selection switch and the second selection switch, the first choice switch include the first fixing end, first choice end and the second choosing
End is selected, the second selection switch includes the second fixing end, third selection end and the 4th selection end, the breakdown power interface
Including breakdown power input and breakdown power supply ground terminal, the storage equipment connecting interface includes voltage output end and electricity
Crimp ground terminal；
The power input of the storage equipment is connect by the voltage output end with first fixing end, the work electricity
Source input terminal is connect with the first choice end, and the breakdown power input is controlled with the storage equipment, described second respectively
One end connection of system switch and the coil, second selection end is hanging, the breakdown power supply ground terminal and the coil
The other end connection, it is described storage equipment ground terminal connect by the voltage ground end with second fixing end, it is described
Working power ground terminal is connect with third selection end, and the breakdown power supply ground terminal is connect with the 4th selection end；
When second control switch disconnects, the first fixing end of the relay is connected to the first choice end, described
Second fixing end is connected to third selection end, when second control switch closure, passes through the breakdown power input
Hold input voltage to the coil, first fixing end of the relay is switched to be connected to second selection end, institute
State the second fixing end switch to it is described 4th selection end be connected to, the breakdown power input be the storage equipment power.
2. storage device data apparatus for destroying according to claim 1, which is characterized in that further include the working power with
And the breakdown power supply, the working power are connect with the working power interface, the breakdown power supply is controlled by described second
System switch is connect with the breakdown power interface.
3. storage device data apparatus for destroying according to claim 2, which is characterized in that the work electricity of the working power
Pressure is 5 volts, and the operating voltage of the breakdown power supply is 24 volts.
4. storage device data apparatus for destroying according to claim 1, which is characterized in that the relay include first after
Electric appliance and the second relay, first relay include first coil and the first choice switch, described second after
Electric appliance includes the second coil and the second selection switch, and the coil includes the first coil and second line
Circle, the breakdown power input is connect with one end of one end of the first coil and second coil respectively, described
Breakdown power supply ground terminal is connect with the other end of the other end of the first coil and second coil respectively.
5. storage device data apparatus for destroying according to claim 4, which is characterized in that further include first diode,
Two diodes, third diode, the 4th diode, the 5th diode, the 6th diode, first resistor, second resistance, third electricity
Resistance, the 4th resistance, the 5th resistance, the 6th resistance, the first triode and the second triode；
The breakdown power input is connect with the first diode anode, the cathode of the first diode and described second
Diode anode connection, the cathode of second diode respectively with one end of the first resistor and the second resistance
One end connection, the other end of the first resistor respectively with the cathode of the third diode and second coil one
End connection, collector of the other end of positive and described second coil of the third diode with first triode
Connection, the base stage of first triode are connect with one end of the other end of the second resistance and the 3rd resistor, institute
State the other end ground connection of 3rd resistor, the emitter ground connection of first triode；
The breakdown power input is connect with the 4th diode cathode, the cathode and the described 5th of the 4th diode
Diode anode connection, the cathode of the 5th diode respectively with one end of the 4th resistance and the 5th resistance
One end connection, the other end of the 4th resistance respectively with the cathode of the 6th diode and the first coil one
End connection, collector of the other end of the positive and described first coil of the 6th diode with second triode
Connection, the base stage of second triode are connect with one end of the other end of the 5th resistance and the 6th resistance, institute
State the other end ground connection of the 6th resistance, the emitter ground connection of second triode.
6. storage device data apparatus for destroying according to claim 5, which is characterized in that the resistance value of the first resistor is
10 Europe, the resistance value of the second resistance are 15 kilo-ohms, and the resistance value of the 3rd resistor is 1 kilo-ohm, the resistance value of the 4th resistance
For 10 Europe, the resistance value of the 5th resistance is 15 kilo-ohms, and the resistance value of the 6th resistance is 1 kilo-ohm.
7. storage device data apparatus for destroying according to claim 1, which is characterized in that the length of the relay is 18
Millimeter, width is 15 millimeters, with a thickness of 5 millimeters.
8. storage device data apparatus for destroying according to claim 1, which is characterized in that the maximum power of the relay
It is 180 watts, maximum current is 6 peaces.
9. storage device data apparatus for destroying according to claim 1, which is characterized in that the contact medium of the relay
Pressure resistance is 1000 volts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610442615.9A CN106126444B (en) | 2016-06-20 | 2016-06-20 | Storage device data apparatus for destroying |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610442615.9A CN106126444B (en) | 2016-06-20 | 2016-06-20 | Storage device data apparatus for destroying |
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| CN106126444A CN106126444A (en) | 2016-11-16 |
| CN106126444B true CN106126444B (en) | 2019-01-15 |
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| CN2678788Y (en) * | 2004-03-11 | 2005-02-16 | 北京和升达信息安全技术有限公司 | Device for eliminatnig various information on magnetic memory medium |
| CN202162201U (en) * | 2011-06-21 | 2012-03-14 | 湖南源科创新科技有限公司 | Physical disk destroying device |
| CN102610278A (en) * | 2012-02-14 | 2012-07-25 | 北京航空航天大学 | Method for verifying solid-state self-destruction hard disk function and detecting data residue |
| CN203408968U (en) * | 2013-06-28 | 2014-01-29 | 北京和升达信息安全技术有限公司 | High-voltage destruction device for semiconductor storage medium |
| CN104668278A (en) * | 2015-03-20 | 2015-06-03 | 中国人民解放军军械工程学院 | Secret-related USB flash disc self-destruction device |
| CN105513641A (en) * | 2015-12-16 | 2016-04-20 | 鸿秦（北京）科技有限公司 | Safety protection circuit |
-
2016
- 2016-06-20 CN CN201610442615.9A patent/CN106126444B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2678788Y (en) * | 2004-03-11 | 2005-02-16 | 北京和升达信息安全技术有限公司 | Device for eliminatnig various information on magnetic memory medium |
| CN202162201U (en) * | 2011-06-21 | 2012-03-14 | 湖南源科创新科技有限公司 | Physical disk destroying device |
| CN102610278A (en) * | 2012-02-14 | 2012-07-25 | 北京航空航天大学 | Method for verifying solid-state self-destruction hard disk function and detecting data residue |
| CN203408968U (en) * | 2013-06-28 | 2014-01-29 | 北京和升达信息安全技术有限公司 | High-voltage destruction device for semiconductor storage medium |
| CN104668278A (en) * | 2015-03-20 | 2015-06-03 | 中国人民解放军军械工程学院 | Secret-related USB flash disc self-destruction device |
| CN105513641A (en) * | 2015-12-16 | 2016-04-20 | 鸿秦（北京）科技有限公司 | Safety protection circuit |
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| CN106126444A (en) | 2016-11-16 |
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