CN111046442B - Self-destruction circuit of storage component of equipment and equipment with storage function - Google Patents

Self-destruction circuit of storage component of equipment and equipment with storage function Download PDF

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Publication number
CN111046442B
CN111046442B CN201911265861.1A CN201911265861A CN111046442B CN 111046442 B CN111046442 B CN 111046442B CN 201911265861 A CN201911265861 A CN 201911265861A CN 111046442 B CN111046442 B CN 111046442B
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controller
resistor
control circuit
voltage
circuit
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CN111046442A (en
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葛应峰
满丽珍
罗军
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Shanghai Zaide Information Technology Co ltd
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Shanghai Zaide Information Technology Co ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/78Protecting 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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  • Computer Security & Cryptography (AREA)
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  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Storage Device Security (AREA)

Abstract

The embodiment of the invention discloses a self-destruction circuit of a storage component of equipment and the equipment with the storage function, wherein when a door magnet is triggered, a first connecting end of a door magnet connector is communicated with a second connecting end of the door magnet connector; the second connecting end of the door magnetic connector outputs the power supply to the equipment in a one-way mode, and meanwhile, the first controller is powered to work; the first control circuit is used for outputting a first control signal to the first controller according to the voltage of the input end, the first control signal indicates that the shell of the equipment is detected to be opened, and the first controller outputs a second control signal from the signal output end; the second control circuit is used for outputting the voltage input by the power supply input end from the voltage output end according to a second control signal of the control signal input end; the self-destruction voltage of the output end of the power supply module is far higher than the normal working voltage of the storage component of the equipment, so that the information storage component of the automatic destruction equipment can be prevented from information leakage when the equipment is illegally opened.

Description

Self-destruction circuit of storage component of equipment and equipment with storage function
Technical Field
The embodiment of the invention relates to a device storage information protection technology, in particular to a self-destruction circuit of a storage component of a device and the device with a storage function.
Background
Sensitive security devices require that the device have certain security capabilities, thereby protecting the secret information of the device from unauthorized acquisition. However, when the device is used in various complicated situations, there may be various uncontrollable risks, such as theft of the device, theft and leakage of confidential information; in an emergency, the equipment falls into the hands of illegal personnel, so that information leakage is caused; the operator inadvertently exposes the equipment, placing the confidential information in danger, etc.
The security information of the device is usually protected by data encryption. The data encryption can protect the confidential information to a certain extent, but once the data encryption is cracked by illegal personnel or stealing personnel, the confidential information can be leaked.
Disclosure of Invention
The invention provides a self-destruction circuit of a storage component of equipment and equipment with a storage function, which are used for automatically destroying the information storage component of the equipment to prevent information leakage when the equipment is illegally opened.
In a first aspect, an embodiment of the present invention provides a self-destruction circuit for a storage component of a device, where the circuit includes: the device comprises a power supply module, a door magnet connector, a first control circuit, a first controller and at least one second control circuit, wherein the device comprises at least one storage component;
the first connecting end of the door magnetic connector is connected with the output end of the power supply module, the second connecting end of the door magnetic connector is connected with the input end of the first control circuit, and the first connecting end of the door magnetic connector is communicated with the second connecting end of the door magnetic connector when the door magnetic is triggered;
the output end of the first control circuit is connected with the signal input end of the first controller, wherein the first control circuit is used for outputting a first control signal to the first controller according to the voltage of the input end, and the first controller outputs a second control signal from the signal output end;
the signal output end of the first controller is connected with the control signal input end of the second control circuit, the voltage input end of the second control circuit is connected with the output end of the power module, and the voltage output end of the second control circuit is connected with the storage component of the equipment, wherein the second control circuit is used for outputting the voltage input by the voltage input end from the voltage output end according to the second control signal of the control signal input end;
the voltage of the output end of the power supply module is higher than the normal working voltage of the storage component of the equipment.
In a second aspect, an embodiment of the present invention further provides an apparatus with a memory function, including the memory component self-destruction circuit of the apparatus according to the first aspect.
The invention provides a self-destruction circuit of a storage component of equipment, which comprises: the device comprises a power supply module, a door magnet connector, a first control circuit, a first controller and at least one second control circuit, wherein the device comprises at least one storage component; the first connecting end is connected with the output end of the power supply module, the second connecting end of the door magnetic connector is connected with the input end of the first control circuit, and the first connecting end of the door magnetic connector is communicated with the second connecting end of the door magnetic connector when the door magnetic is triggered; the output end of the first control circuit is connected with the signal input end of the first controller, wherein the first control circuit is used for outputting a first control signal to the first controller according to the voltage of the input end, and the first controller outputs a second control signal from the signal output end; the signal output end of the first controller is connected with the control signal input end of the second control circuit, the voltage input end of the second control circuit is connected with the output end of the power module, and the voltage output end of the second control circuit is connected with the storage component of the equipment, wherein the second control circuit is used for outputting the voltage input by the voltage input end from the voltage output end according to the second control signal of the control signal input end; the voltage at the output end of the power supply module is far higher than the normal working voltage of the storage component of the equipment. The problem that once the existing data encryption is cracked by an illegal person, confidential information is leaked is solved, and the effect of preventing information leakage by automatically destroying the information storage component of the equipment when the equipment is illegally opened is achieved.
Drawings
FIG. 1 is a block diagram of a self-destruction circuit of a memory unit of a device according to a first embodiment of the present invention;
FIG. 2 is a circuit diagram of a portion of a memory component self-destruct circuit of an apparatus according to a second embodiment of the present invention;
FIG. 3 is a circuit diagram of another portion of the self-destruct circuit of the memory unit of a device according to the second embodiment of the present invention;
FIG. 4 is a circuit diagram of a self-destruction circuit of a memory unit of an apparatus according to a second embodiment of the present invention, the circuit diagram having two second control circuits;
fig. 5 is another circuit diagram of a memory component self-destruction circuit of a device according to a second embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a block diagram of a self-destruction circuit of a storage component of a device according to an embodiment of the present invention, where a sensitive security device, such as a data information collection module, a mobile hard disk, and the like, generally requires a certain security performance of the device, so as to protect secret information of the device from being illegally obtained. The self-destruction circuit of the storage component of the device is arranged in the device, the selected door magnet is a normally-open door magnet switch, and when the device is illegally opened, the door magnet 1 is triggered, so that the first connecting end and the second connecting end of the door magnet connector are conducted. The circuit is used for enabling the door magnetism in the equipment to be triggered when the equipment is illegally opened, enabling the first connecting end and the second connecting end of the door magnetism connector to be connected through the triggering of the door magnetism, enabling the equipment to start working and detecting whether the equipment is opened or not through the connection of the first connecting end and the second connecting end of the door magnetism connector, and inputting voltage to the self-destruction circuit through the logic control opening power supply module so as to destroy the storage component of the equipment. Illustratively, referring to fig. 1, the circuit includes: the power module 110, the door sensor 1, the door sensor connector 2, the first control circuit 210, the first controller 310, and the at least one second control circuit 410, the device 3 including at least one storage unit 510;
the first connection end a1 of the door magnetic connector 2 is connected with the output end B0 of the power module 110, the second connection end a2 of the door magnetic connector 2 is connected with the input end C1 of the first control circuit 210, and the first connection end a1 of the door magnetic connector 2 is connected with the second connection end a2 of the door magnetic connector 2 when the door magnetic 1 is triggered;
the output terminal C2 of the first control circuit 210 is connected to the signal input terminal D1 of the first controller 310, wherein the first control circuit 210 is configured to output a first control signal to the first controller 310 according to the voltage at the input terminal D1, and the first controller 310 outputs a second control signal from the signal output terminal D2;
the signal output end D2 of the first controller 310 is connected to the control signal input end E1 of the second control circuit 410, the voltage input end E2 of the second control circuit 410 is connected to the output end B0 of the power module, and the voltage output end E3 of the second control circuit is connected to the storage unit 510 of the device 3, wherein the second control circuit 410 is configured to output the voltage input by the voltage input end E2 from the voltage output end E3 according to the second control signal of the control signal input end E1;
the voltage at the output terminal B0 of the power module 110 is much higher than the normal operating voltage of the storage unit 510 of the device 3.
In the technical solution of this embodiment, the operating principle of the self-destruction circuit of the storage component of the device is as follows: for example, referring to fig. 1, under normal conditions, the first connection terminal a1 and the second connection terminal a2 of the door magnet connector 2 are disconnected, when the door magnet 1 is abnormally opened by an illegal person, a thief, etc., the first connection terminal a1 and the second connection terminal a2 of the door magnet connector 2 are turned on, when the first connection terminal a1 and the second connection terminal a2 of the door magnet connector 2 are turned on, the power module 110 outputs a voltage to the first control circuit 210 through the first connection terminal a1 and the second connection terminal a2 of the door magnet connector 2 in sequence, the first control circuit 210 outputs a first control signal to the first controller 310 according to the input voltage, when the first controller 310 receives the first control signal, the second control signal is output to the second control circuit 410 according to the first control signal, when the second control circuit 410 receives the second control signal, the voltage input by the input terminal E2 is output to the storage component 510 of the apparatus 3 through the output terminal E3, illustratively, the voltage output from the input terminal E2 of the second control circuit 410 is generally 12V, the operating voltage of the storage unit 510 of the device 3 is generally 1.8-3V, and since the voltage output from the input terminal E2 of the second control circuit 410 is much higher than the normal operating voltage of the storage unit 510 of the device 3, the storage unit 510 of the device 3 may be burned out to protect the information stored in the storage unit 510 from leakage.
The technical solution of this embodiment is to provide a self-destruction circuit of a storage device of a device, including: the device comprises a power supply module, a door magnet connector, a first control circuit, a first controller and at least one second control circuit, wherein the device comprises at least one storage component; the first connecting end is connected with the output end of the power supply module, the second connecting end of the door magnetic connector is connected with the input end of the first control circuit, and the first connecting end of the door magnetic connector is communicated with the second connecting end of the door magnetic connector when the door magnetic is triggered; the output end of the first control circuit is connected with the signal input end of the first controller, wherein the first control circuit is used for outputting a first control signal to the first controller according to the voltage of the input end, and the first controller outputs a second control signal from the signal output end; the signal output end of the first controller is connected with the control signal input end of the second control circuit, the voltage input end of the second control circuit is connected with the output end of the power module, and the voltage output end of the second control circuit is connected with the storage component of the equipment, wherein the second control circuit is used for outputting the voltage input by the voltage input end from the voltage output end according to the second control signal of the control signal input end; the voltage of the output end of the power supply module is higher than the normal working voltage of the storage component of the equipment. The problem that once the existing data encryption is cracked by an illegal person, the confidential information is leaked is solved, and the effect of preventing information leakage by automatically destroying the information storage component of the equipment when the equipment is illegally opened is achieved.
Example two
Fig. 2 is a circuit diagram of a part of a self-destruction circuit of a memory device of an apparatus according to a second embodiment of the present invention, and fig. 3 is a circuit diagram of another part of the self-destruction circuit of a memory device of an apparatus according to a second embodiment of the present invention. Illustratively, referring to fig. 2, the first control circuit 210 includes a first resistor 211, a second resistor 212, and a first MOS transistor 213, a gate of the first MOS transistor 213 is connected to the second connection terminal a2 of the gate magnetic connector 2, a first pole of the first MOS transistor 213 is grounded, a second pole of the first MOS transistor 213 is connected to the signal input terminal D1 of the first controller 310, the second pole of the first MOS transistor 213 is further connected to the power supply terminal 4 through the second resistor 212, a first end of the first resistor 211 is connected to the gate of the first MOS transistor 213, and a second end of the first resistor 211 is grounded.
Illustratively, referring to fig. 1 and fig. 2, in a normal condition, the first connection terminal a1 and the second connection terminal a2 of the gate magnetic connector are disconnected, the input terminal of the first control circuit has no voltage input, that is, the gate of the first MOS transistor 213 is at a low level, and the first MOS transistor 213 is turned off. When the door sensor 1 is abnormally opened by an illegal person, a thief or the like, the first connection end a1 and the second connection end a2 of the door sensor connector 2 are connected, when the first connection end a1 and the second connection end a2 of the door sensor connector 2 are connected, the power module 110 starts to operate and outputs a voltage, the power module 110 provides a power supply voltage to the first controller 310 to operate, and the first controller 310 provides a power supply of 3.3V to the first control circuit 210 after operating, that is, the voltage input to the first control circuit 210 from the power supply end 4 in fig. 2. The output voltage of the power module 110 is sequentially input to the first MOS transistor 213 through the first connection terminal a1 and the second connection terminal a2 of the gate-magnetic connector 2, the input voltage makes the first MOS transistor 213 conductive, and the first MOS transistor is conductive and inputs the first control signal to the first controller 310.
Optionally, with continued reference to fig. 2, the first control circuit 210 further includes a third resistor 214, and the second connection terminal a2 of the gate magnetic connector 2 is connected to the first MOS transistor 213 through the third resistor 214.
The first resistor 211 and the third resistor 214 are used for outputting the divided voltage of the second connection terminal to the gate of the first MOS transistor.
Optionally, with continued reference to fig. 2, the circuit further comprises at least two first diodes 610 connected in parallel, the anode of the first diode 610 being connected to the second connection a2 of the gate magnetic connector 2, and the cathode of the first diode 610 being connected to the device 3.
Alternatively, referring to fig. 2 and 3, the second control circuit includes a second MOS transistor 411 and a third MOS transistor 412, a fourth resistor 430, a fifth resistor 413 and a first capacitor 414, wherein the gate of the second MOS 411 is connected to the signal output terminal D2 of the first controller 310, the first pole of the second MOS 411 is grounded, the second pole of the second MOS 411 is connected to the gate of the third MOS 412, the first pole of the third MOS 412 is connected to the storage component 510 of the device 1, the second pole of the third MOS 412 is connected to the output terminal B0 of the power module 110, the first end of the fourth resistor 430 is connected to the gate of the second MOS 411, the second end of the fourth resistor 430 is grounded, the first end of the fifth resistor 413 is connected to the gate of the third MOS 412, the second end of the fifth resistor 413 is connected to the second pole of the third MOS 412, the first end of the first capacitor 414 is connected to the gate of the second MOS 411, and the second end of the first capacitor 414 is grounded.
Optionally, the third MOS transistor is a power MOS transistor.
Optionally, the second control circuit 410 further includes a sixth resistor 415, a seventh resistor 416, and a second capacitor 417, the signal output end D2 of the first controller 310 is connected to the gate of the second MOS 411 through the sixth resistor 415, a first end of the seventh resistor 416 is connected to the second pole of the second MOS 411, a second end of the seventh resistor 416 is connected to the gate of the third MOS 412, a first end of the second capacitor 417 is connected to the gate of the third MOS 412, and a second end of the second capacitor 417 is connected to the second pole of the third MOS 412.
In the technical scheme of this embodiment, the working process of the self-destruction circuit is as follows: under normal conditions, the first connection terminal a1 and the second connection terminal a2 of the gate magnetic connector are disconnected, no voltage is input to the input terminal of the first control circuit, i.e. the gate of the first MOS transistor 213 is at low level, and the first MOS transistor 213 is turned off. When the door sensor 1 is abnormally opened by an illegal person, a thief or the like, the first connection end a1 and the second connection end a2 of the door sensor connector 2 are connected, when the first connection end a1 and the second connection end a2 of the door sensor connector 2 are connected, the power module 110 outputs a voltage, the power module 110 provides a power supply voltage to the first controller 310 to enable the first controller 310 to work, and the first controller 310 provides a 3.3V power supply to the first control circuit 210 after the first controller 310 works, that is, the voltage input to the first control circuit 210 from the power supply end 4 in fig. 2. Meanwhile, the voltage output by the power module 110 is input to the first control circuit 210 through the first connection end a1 and the second connection end a2 of the gate magnetic connector 2 in sequence, and the first control circuit 210 inputs the voltage output by the power module 110 to the device 1 through at least two first diodes 610 connected in parallel, so that the device starts to work; meanwhile, the first control circuit 210 outputs a first control signal to the first controller 310 according to the input voltage signal, and outputs a second control signal according to the first control signal after the first controller 310 receives the first control signal, and the second control signal is input to the second control circuit through the control signal input port E1 of the second control circuit, so that the memory unit 510 is burned out to protect information in the memory unit from being leaked. The process of burning the storage component 510 controlled by the second control signal is as follows: a second control signal is input to the second MOS transistor 411 through the sixth resistor 415, so that the second MOS transistor 411 is turned on, the second MOS transistor 411 is turned on to pull down the potential of the gate of the third MOS transistor 412, so that the third MOS transistor 412 is turned on, and the third MOS transistor 412 is turned on to output the large voltage (usually 12V) output by the voltage output terminal B0 of the power module 110 to the storage component 510, because the normal operating voltage of the storage component 510 is in the small voltage range of 1.8-3V, the storage component 510 cannot bear the large voltage and is burned, thereby protecting the information stored in the storage component 510 from being leaked
It should be noted that the number of the second control circuits may include a plurality of second control circuits according to actual needs, and the number of the second control circuits is not specifically limited herein. Here, referring to fig. 4, two second control circuits are exemplarily shown, a second control signal output from the signal output terminal D2 of the first controller 310 is input to the second MOS transistors 411 and 421 through the signal input terminal E1, so that the second MOS transistors 411 and 421 are turned on, the third MOS transistor 412 is turned on after the second MOS transistor 411 is turned on, and the voltage output from the power module 110 is output to the first storage unit 510 after the third MOS transistor 412 is turned on, so that the voltage input to the first storage unit 510 is greater than the normal operating voltage of the first storage unit 510 to burn it; similarly, the third MOS 422 is turned on after the second MOS 421 is turned on, and the voltage output by the power module 110 is output to the second storage unit 510 after the third MOS 422 is turned on, so that the voltage input to the second storage unit 520 is greater than the normal operating voltage of the second storage unit 520 and is burned out. Here, when the device has a plurality of memory units therein, the device may further include a plurality of memory units and second control circuits corresponding thereto.
Optionally, referring to fig. 2, the circuit further includes a fuse 710, and the fuse 710 is connected in series between the output terminal B0 of the power module 110 and the first connection terminal a1 of the gate magnetic connector 2.
The fuse 710 is blown when a short circuit occurs in the circuit, so as to protect the circuit.
Optionally, referring to fig. 5, the circuit further includes a second controller 810 and an antenna 910, the second controller 810 is connected to the antenna 810 and the first controller 310, respectively, the second controller 810 is configured to send a communication signal to the first controller 310 according to the communication signal received by the antenna 910, and the first controller 310 outputs a second control signal to the second control circuit according to the received communication signal sent by the second controller 810.
In the above embodiment, the door magnet makes the self-destruction circuit work and burns the storage part of the device to protect the stored information from being leaked when being illegally opened. Specifically, on the basis of the above-described embodiment, for example, referring to fig. 1 and fig. 5, a communication signal may be sent to the antenna 910 through a mobile phone, the antenna 910 sends the received communication signal to the second controller 810, the second controller 810 sends the communication signal to the first controller 310, the first controller 310 receives the communication signal sent by the second controller 810 and then inputs the second control signal to the second control circuit 410, and controls the second control circuit 410 to input the voltage output by the power supply module 110 to the storage component 510 of the device 3, so as to destroy the storage component 510 and protect the stored information from being leaked.
In addition, the device can be set through a mobile phone APP, so that the device enters a self-destruction protection mode or a normal safe working mode. The specific working mode is as follows:
under the safe working mode, self-destruction function can be closed to accessible cell-phone APP, makes equipment enter normal safe working mode, and equipment can be opened safely this moment and inspect, operation such as maintenance.
In the outbound mode of operation, the device defaults to turning on the self-destruction function. At this time, the device is in an information protection state, when the device is illegally opened, even if the device is in a shutdown state, the voltage of the power supply module 110 is output to the first controller 310 through the door magnet 1, so as to wake up the device 3 to be in a working state, and the second control circuit 410 is controlled by the first controller 310 to input the voltage output by the power supply module 110 to the storage part 510 of the device 3 through the output of the second control signal, so as to destroy the storage part 510 and protect the stored information from being leaked.
Under emergency, operating personnel accessible cell-phone APP remote control equipment makes it directly produce self-destruction power output, destroys the storage information part, ensures that secret information is not acquireed illegally.
EXAMPLE III
The embodiment of the invention also provides equipment with a storage function, which comprises the self-destruction circuit of the storage component of the equipment in any embodiment of the invention.
The device with the storage function can be a data information acquisition module, a mobile hard disk, an information security device and the like.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (9)

1. A memory component self-destruct circuit for a device, comprising: the device comprises a power supply module, a door magnet connector, a first control circuit, a first controller and at least one second control circuit, wherein the device comprises at least one storage component;
the first connecting end of the door magnetic connector is connected with the output end of the power supply module, the second connecting end of the door magnetic connector is connected with the input end of the first control circuit, and the first connecting end of the door magnetic connector is connected with the second connecting end of the door magnetic connector when the door magnetic is triggered;
the output end of the first control circuit is connected with the signal input end of the first controller, wherein the first control circuit is used for outputting a first control signal to the first controller according to the voltage of the input end, and the first controller outputs a second control signal from the signal output end;
the signal output end of the first controller is connected with the control signal input end of the second control circuit, the voltage input end of the second control circuit is connected with the output end of the power supply module, and the voltage output end of the second control circuit is connected with the storage component of the equipment, wherein the second control circuit is used for outputting the voltage input by the voltage input end from the voltage output end according to the second control signal of the control signal input end;
wherein the voltage at the output of the power module is higher than the normal operating voltage of the memory component of the device;
the second control circuit comprises a second MOS tube, a third MOS tube, a fourth resistor, a fifth resistor and a first capacitor, the grid electrode of the second MOS tube is connected with the signal output end of the first controller, the first pole of the second MOS tube is grounded, the second pole of the second MOS tube is connected with the grid electrode of the third MOS tube, the first pole of the third MOS tube is connected with the storage component of the device, the second pole of the third MOS tube is connected with the output end of the power supply module, the first end of the fourth resistor is connected with the grid electrode of the second MOS tube, the second end of the fourth resistor is grounded, the first end of the fifth resistor is connected with the grid electrode of the third MOS tube, the second end of the fifth resistor is connected with the second pole of the third MOS tube, the first end of the first capacitor is connected with the grid electrode of the second MOS tube, and the second end of the first capacitor is grounded.
2. The self-destruction circuit of a memory component of the device according to claim 1, wherein the first control circuit comprises a first resistor, a second resistor and a first MOS transistor, a gate of the first MOS transistor is connected to the second connection terminal of the gate-magnetic connector, a first pole of the first MOS transistor is grounded, a second pole of the first MOS transistor is connected to the signal input terminal of the first controller, the second pole of the first MOS transistor is further connected to a power supply terminal through the second resistor, a first end of the first resistor is connected to the gate of the first MOS transistor, and a second end of the first resistor is grounded.
3. The self-destruct circuit of a memory component of the apparatus of claim 2, wherein the first control circuit further comprises a third resistor, the second connection terminal of the gate connector being connected to the first MOS transistor through the third resistor.
4. The memory component self-destruct circuit of claim 1, further comprising at least two first diodes connected in parallel, the first diodes having their anodes connected to the second connection terminal of the gate magnet connector and their cathodes connected to the device.
5. The self-destruction circuit of a storage component of the device according to claim 1, wherein the third MOS transistor is a power type MOS transistor.
6. The self-destruction circuit of a memory component of the device according to claim 1, wherein the second control circuit further comprises a sixth resistor, a seventh resistor and a second capacitor, the signal output terminal of the first controller is connected to the gate of the second MOS transistor through the sixth resistor, a first end of the seventh resistor is connected to the second pole of the second MOS transistor, a second end of the seventh resistor is connected to the gate of the third MOS transistor, a first end of the second capacitor is connected to the gate of the third MOS transistor, and a second end of the second capacitor is connected to the second pole of the third MOS transistor.
7. The memory component destruct circuit of claim 1, further comprising a fuse connected in series between the output of the power module and the first connection end of the door magnet connector.
8. The self-destruction circuit of the storage component of the device according to claim 1, further comprising a second controller and an antenna, wherein the second controller is respectively connected to the antenna and the first controller, the second controller is configured to send a command control signal to the first controller according to a wireless communication signal received by the antenna, and the first controller outputs the second control signal to the second control circuit according to the received command control signal sent by the second controller.
9. A device with memory function, characterized in that it comprises a memory component self-destruction circuit of a device according to claims 1-8.
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Family Cites Families (4)

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JP3641182B2 (en) * 2000-03-14 2005-04-20 日本電信電話株式会社 Self-destructive semiconductor device
CN103839014B (en) * 2014-03-19 2017-02-22 深圳市亿道信息股份有限公司 Self-destruction circuit of tablet personal computer storage device
CN205281504U (en) * 2015-12-09 2016-06-01 天马微电子股份有限公司 Self -destruct circuit and security equipment
CN107818257B (en) * 2017-11-23 2019-12-20 迈普通信技术股份有限公司 Illegal disassembly data self-destruction device and electronic equipment

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