Hard disk destroying circuit and electronic equipment

Abstract

The utility model relates to the technical field of hard disk data security, in particular to a hard disk destruction circuit and electronic equipment. The circuit comprises a destruction enabling module used for receiving a first enabling signal and outputting the first enabling signal to a main control module; the emergency triggering module is used for detecting whether an emergency signal exists or not, and if the emergency signal exists, a second enable signal is sent to the main control module; the main control module is used for sending a first destruction signal to the voltage processing module according to the first enable signal and / or the second enable signal; and the voltage processing module is used for performing signal processing on the first destruction signal to obtain a second destruction signal adaptive to the load voltage and outputting the second destruction signal to the load, and the load executes a preset hard disk destruction step according to the second destruction signal. The technical effect of improving the data security of the data stored in the hard disk is achieved.

Description

Technical Field

[0001] The present application relates to the technical field of hard disk data security, and in particular to a hard disk destruction circuit and electronic equipment. Background Art

[0002] In high-performance computing environments, with the development of artificial intelligence and the advent of the big data era, the demand for data storage has increased dramatically. In order to meet the development needs, the real-time data processing capabilities of hard disks and the rapid response performance of computing tasks have become increasingly powerful. Users will also store more private data in hard disks during use, which directly leads to the increasing prominence of hard disk data security issues. Enterprises and individual users are also particularly concerned about the protection of sensitive data when purchasing hard disks. It can be seen that in addition to excellent read and write performance, hard disks should also consider their data security. Therefore, how to improve the security of data stored in hard disks is a technical problem that needs to be solved urgently. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the present application provides a hard disk destruction circuit and an electronic device to achieve the technical effect of improving the data security of data stored in the hard disk.

[0004] The technical solution adopted by the present application to solve its technical problem is: a hard disk destruction circuit, including: a destruction enabling module, an emergency triggering module, a main control module and a voltage processing module;

[0005] The destruction enabling module is used to receive a first enabling signal and output the first enabling signal to the main control module;

[0006] The emergency trigger module is used to detect whether an emergency signal exists, and if the emergency signal exists, send a second enabling signal to the main control module;

[0007] The main control module is configured to send a first destroy signal to the voltage processing module according to the first enable signal and / or the second enable signal;

[0008] The voltage processing module processes the first destruction signal to obtain a second destruction signal adapted to the load voltage, and outputs the second destruction signal to the load, and the load executes a preset hard disk destruction step according to the second destruction signal.

[0009] By adopting the above technical solution, the destruction enabling module receives a first enabling signal input externally. The first enabling signal corresponds to a destruction instruction sent by a relevant management unit and is used to control the main control module to send a corresponding first destruction signal. It is also possible to detect whether there is an emergency signal through the emergency trigger module, that is, whether the emergency voltage is pulled up. If there is an emergency signal, it is fed back to the main control module. The main control module generates a first destruction signal according to the first enabling signal and / or the second enabling signal. The first destruction signal is then processed by the voltage processing module to obtain a destruction control signal adapted to the load, that is, the second destruction signal, so as to control the load to execute a preset destruction process.

[0010] That is, the output of the destruction signal by the main control module can be controlled at least by the destruction enabling module, the emergency trigger module, and their combination, forming multiple destruction schemes, so as to consider the requirements for destroying hard disks in various situations such as instruction control and level control, and further achieve the technical effect of improving the data security of the data stored in the hard disk.

[0011] Optionally, the voltage processing module includes a standing power supply unit, a backup power supply unit, and a voltage conversion unit;

[0012] The standing power supply unit is used to obtain a first voltage signal and output the first voltage signal to the first voltage interface of the load and the voltage conversion unit. The first voltage signal is supplied by a preset input power supply;

[0013] The backup power supply unit is used to obtain a second voltage signal and output the second voltage signal to the first voltage interface of the load and the voltage conversion unit. The second voltage signal is supplied by a preset backup input power supply;

[0014] The voltage conversion unit is used to process the first voltage signal and / or the second voltage signal to obtain a third voltage signal and output the third voltage signal to the second voltage interface of the load.

[0015] Optionally, the standing power supply unit includes a first isolation unit;

[0016] The first isolation unit is used to receive the input voltage signal output by the input power supply and isolate and convert the input voltage signal into the first voltage signal.

[0017] Optionally, the backup power supply unit includes a second isolation unit;

[0018] The second isolation unit is used to receive the backup input voltage signal output by the backup power supply and isolate and convert the backup input voltage signal into the second voltage signal.

[0019] By adopting the above technical solution, isolation units are included in both the standby power supply unit and the backup power supply unit. The isolation unit can be implemented by EAS20205G-4, which isolates and converts the input 28V voltage from the input power supply or the backup input power supply into 24V voltage. The adjusted 24V voltage can supply the corresponding adapter port of the load and can also be further output to the above voltage conversion unit for voltage conversion.

[0020] Optionally, the main control module includes an MCU;

[0021] The first port of the MCU is connected to the output end of the destruction enabling module for receiving the first enabling signal. The second port of the MCU is connected to the first isolation unit and the second isolation unit. The third port of the MCU is connected to the voltage conversion unit.

[0022] Optionally, the emergency trigger module includes a voltage detection unit;

[0023] The voltage detection unit is used to detect the signal state of the first voltage signal or the second voltage signal, and determine whether to send the second enabling signal to the main control module according to the signal state.

[0024] Optionally, the destruction enabling module includes a VPX connector, which is used to obtain a destruction instruction signal and send the first enabling signal to the first port of the MCU according to the destruction instruction signal.

[0025] A second aspect of the present application provides an electronic device equipped with the circuit structure of the above hard disk destruction circuit.

[0026] The beneficial effects of the present application are as follows: The destruction enabling module receives the first enabling signal input externally. The first enabling signal corresponds to a destruction instruction sent by a relevant management unit and is used to control the main control module to send a corresponding first destruction signal. It is also possible to detect whether there is an emergency signal through the emergency trigger module, that is, whether the emergency voltage is pulled up. If there is an emergency signal, it is fed back to the main control module. The main control module generates a first destruction signal according to the first enabling signal and / or the second enabling signal. The first destruction signal is then processed by the voltage processing module to obtain a destruction control signal adapted to the load, that is, the second destruction signal, so as to control the load to execute a preset destruction process.

[0027] That is, the output of the destruction signal by the main control module can be controlled at least by the destruction enabling module, the emergency trigger module, and their combination, forming multiple destruction schemes, so as to consider the needs of destroying the hard disk in various situations such as instruction control and level control, and further achieve the technical effect of improving the data security of the data stored in the hard disk. Description of the Drawings

[0028] Figure 1 is a schematic block diagram of the hard disk destruction circuit provided by an embodiment of the present application;

[0029] Figure 2 is a schematic block diagram of the destruction function of the hard disk destruction circuit provided by an embodiment of the present application;

[0030] Figure 3 is a control block diagram of the hard disk destruction circuit provided by an embodiment of the present application;

[0031] Figure 4 is a schematic block diagram of the voltage processing module of the hard disk destruction circuit provided by an embodiment of the present application.

[0032] Reference numerals: 1, destruction enable module; 2, emergency trigger module; 3, main control module; 4, voltage processing module. Detailed implementation manners

[0033] The present application will be further described below in conjunction with the accompanying drawings and embodiments.

[0034] The concept, specific structure and technical effects of the present application will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the purpose, features and effects of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Other embodiments obtained by those skilled in the art based on the embodiments of the present application without creative efforts shall fall within the scope of protection of the present application. In addition, all the connection / connection relationships involved in the patent do not refer only to the direct connection of components, but refer to the more optimal connection structure that can be formed by adding or reducing connection accessories according to the specific implementation situation. The various technical features in the present application can be combined with each other without conflicting with each other.

[0035] Please refer to the following Figure 1 , Figure 1 is a schematic block diagram of the hard disk destruction circuit provided by an embodiment of the present application, including a destruction enable module 1, an emergency trigger module 2, a main control module 3 and a voltage processing module 4. The following is a specific description of each module:

[0036] Regarding the destruction enable module 1: The destruction enable module 1 is configured to receive a first enable signal and output the first enable signal to the main control module 3.

[0037] Specifically, the destruction enabling module 1 receives a first enabling signal input externally. The first enabling signal corresponds to a destruction instruction sent by a relevant management unit and is used to control the main control module 3 to send a corresponding first destruction signal. In the embodiment of the present application, relevant personnel can send a destruction request through corresponding devices, including but not limited to using hardware and software control. When the power supply is normally powered (i.e., the input power supply is normally enabled as described below), the destruction enabling module 1 will send the first enabling signal to the main control module 3. If the main control module 3 receives the first enabling signal, it will execute the corresponding data destruction steps.

[0038] More specifically, referring to Figure 2 , Figure 2 is a schematic block diagram of the destruction function of the hard disk destruction circuit provided by the embodiment of the present application. Among them, the destruction enabling module 1 includes a VPX connector, and the VPX connector is used to obtain a destruction instruction signal and send the first enabling signal to the first port of the MCU according to the destruction instruction signal. The VPX connector is connected to the outside and receives a destruction request sent by relevant personnel through the chassis management unit / device, thereby controlling the hard disk to execute the destruction step.

[0039] Regarding the emergency trigger module 2: The emergency trigger module 2 is used to detect whether there is an emergency signal. If there is the emergency signal, it will send a second enabling signal to the main control module 3.

[0040] Specifically, the emergency trigger module 2 can detect whether there is an emergency signal, that is, whether the emergency voltage is pulled up. If there is an emergency signal, it will be fed back to the main control module 3. It should be noted that the second enabling signal does not need to send a software communication control instruction. A corresponding detection unit detects whether the emergency destruction function is triggered. If the emergency destruction function is triggered (in the embodiment of the present application, it is the enabling of the emergency voltage), the second enabling signal can be triggered, and the second enabling signal can also control the main control module 3 to execute the destruction instruction.

[0041] More specifically, referring to Figure 3 , Figure 3 is a control block diagram of the hard disk destruction circuit provided by the embodiment of the present application. Among them, the emergency trigger module 2 includes a voltage detection unit;

[0042] The voltage detection unit is used to detect the signal state of the first voltage signal or the second voltage signal and judge whether to send the second enabling signal to the main control module 3 according to the signal state.

[0043] By adopting the above technical solution, the voltage detection unit is an ADC voltage acquisition circuit connected to the MCU. This acquisition circuit is electrically connected to the standing power supply unit and the backup power supply unit and is used to determine the voltage state at the current moment through voltage sampling, so as to judge whether to trigger the steps of hard disk destruction.

[0044] Regarding the main control module 3: The main control module 3 is configured to send a first destruction signal to the voltage processing module 4 according to the first enable signal and / or the second enable signal.

[0045] Specifically, the main control module 3 generates a first destruction signal according to the first enable signal and / or the second enable signal. The first destruction signal needs to be voltage-converted by the voltage processing module 4 later to adapt to the load port.

[0046] More specifically, referring to Figure 3 , Figure 3 is a control block diagram of the hard disk destruction circuit provided by the embodiment of the present application. Among them, the main control module 3 includes an MCU; the first port of the MCU is connected to the output end of the destruction enable module 1 for receiving the first enable signal, the second port of the MCU is connected to the first isolation unit and the second isolation unit, and the third port of the MCU is connected to the voltage conversion unit. The model of the MCU includes but is not limited to GD32F427RKT6.

[0047] Regarding the voltage processing module 4: The voltage processing module 4 processes the first destruction signal to obtain a second destruction signal adapted to the load voltage, and outputs the second destruction signal to the load. The load executes a preset hard disk destruction step according to the second destruction signal.

[0048] Specifically, please refer to Figure 4 , Figure 4 is a schematic block diagram of the voltage processing module 4 of the hard disk destruction circuit provided by the embodiment of the present application. The voltage processing module 4 includes a standing power supply unit, a backup power supply unit, and a voltage conversion unit;

[0049] The standing power supply unit is configured to obtain a first voltage signal and output the first voltage signal to the first voltage interface of the load and the voltage conversion unit. The first voltage signal is supplied by a preset input power supply;

[0050] The backup power supply unit is configured to obtain a second voltage signal and output the second voltage signal to the first voltage interface of the load and the voltage conversion unit. The second voltage signal is supplied by a preset backup input power supply;

[0051] The voltage conversion unit is configured to process the first voltage signal and / or the second voltage signal to obtain a third voltage signal, and output the third voltage signal to the second voltage interface of the load.

[0052] By adopting the above technical solution, the voltage processing module 4 is divided into two paths, one is the standing power supply, and the other is the backup power supply, which is usually 24V. The standing power supply unit obtains the voltage output by the normal power input power supply, and obtains the first voltage signal after preliminary processing. The first voltage signal is used to output to the load and to the voltage conversion unit; when the backup power supply is enabled, the backup power supply unit obtains the voltage output by the emergency backup input power supply, and obtains the second voltage signal after preliminary processing. The second voltage signal is also used to output to the load and the voltage conversion unit. The first voltage signal or the second voltage signal after preliminary processing is usually 28V; the voltage conversion unit can convert the first voltage signal or the second voltage signal to obtain a voltage output matching the load port, which is usually converted to 5V. In the present application, the LM28S28S100-NNMG device can be used to achieve voltage conversion.

[0053] Optionally, the standby power supply unit includes a first isolation unit;

[0054] The first isolation unit is used to receive an input voltage signal output by the input power supply, and isolate and convert the input voltage signal into the first voltage signal.

[0055] Optionally, the backup power supply unit includes a second isolation unit;

[0056] The second isolation unit is used to receive the backup input voltage signal output by the backup power supply, and isolate and convert the backup input voltage signal into the second voltage signal.

[0057] By adopting the above technical solution, both the regular power supply unit and the backup power supply unit include an isolation unit. The isolation unit can be implemented by EAS20205G-4. The 28V voltage of the input power supply or the backup input power supply is adjusted to a 24V voltage through isolation conversion. The adjusted 24V voltage can be supplied to the adapter port corresponding to the load, and can also be further output to the above voltage conversion unit for voltage conversion.

[0058] In summary, based on the hard disk destruction circuit provided in this application, at least one of the following three hard disk destruction schemes can be adopted, which are described one by one below:

[0059] 1. When the chassis is normally powered by 24V (input power), the chassis management unit / device initiates a destruction request. After receiving the destruction signal, the MCU outputs the software erase signal and the physical destruction signal in sequence to execute the entire destruction process;

[0060] 2. When the chassis is powered by 24V, the emergency destruction 24V (backup input power) is pulled up. When the voltage detection circuit detects the emergency 24V, it outputs the IO signal to the GPIO port of the MCU microcontroller. The microcontroller outputs the software erase signal and the physical destruction signal in turn to execute the entire destruction process.

[0061] 3. When the chassis is in a power-off state, the regular 24V is not powered, and the emergency destruction 24V is pulled up. When the voltage detection circuit detects the emergency 24V, it outputs an IO signal to the GPIO port of the MCU microcontroller. The microcontroller outputs software erase signals and physical destruction signals in turn to execute the entire destruction process.

[0062] That is, in the present application, the destruction signal output by the main control module 3 can be controlled by at least the destruction enable module 1, the emergency trigger module 2 and their combination, forming a variety of destruction schemes, thereby considering the needs of destroying the hard disk under various conditions such as command control and level control, and thus achieving the technical effect of improving the data security of the data stored in the hard disk.

[0063] A second aspect of the present application provides an electronic device equipped with the circuit structure of the hard disk destruction circuit described above.

[0064] The above is a specific description of the preferred implementation of the present application, but the invention of the present application is not limited to the described embodiments. Technical personnel familiar with the field can also make various equivalent modifications or substitutions without violating the spirit of the present application. These equivalent modifications or substitutions are all included in the scope defined by the claims of the present application.

Claims

1. A hard disk destruction circuit, characterized in that: It includes a destruction enabling module, an emergency triggering module, a main control module and a voltage processing module; The destruction enabling module is used to receive a first enabling signal and output the first enabling signal to the main control module; The emergency trigger module is used to detect whether an emergency signal exists, and if the emergency signal exists, send a second enabling signal to the main control module; The main control module is configured to send a first destroy signal to the voltage processing module according to the first enable signal and / or the second enable signal; The voltage processing module processes the first destruction signal to obtain a second destruction signal adapted to the load voltage, and outputs the second destruction signal to the load, and the load executes a preset hard disk destruction step according to the second destruction signal.

2. The hard disk destruction circuit according to claim 1, characterized in that: The voltage processing module includes a standby power supply unit, a backup power supply unit and a voltage conversion unit; The standby power supply unit is used to obtain a first voltage signal and output the first voltage signal to the first voltage interface of the load and the voltage conversion unit, wherein the first voltage signal is supplied by a preset input power supply; The backup power supply unit is used to obtain a second voltage signal and output the second voltage signal to the first voltage interface of the load and the voltage conversion unit, wherein the second voltage signal is supplied by a preset backup input power supply; The voltage conversion unit is used for converting the first voltage signal and / or the second voltage signal to obtain a third voltage signal, and outputting the third voltage signal to the second voltage interface of the load.

3. The hard disk destruction circuit according to claim 2, characterized in that: The standby power supply unit includes a first isolation unit; The first isolation unit is used to receive an input voltage signal output by the input power supply, and isolate and convert the input voltage signal into the first voltage signal.

4. The hard disk destruction circuit according to claim 3, characterized in that: The backup power supply unit includes a second isolation unit; The second isolation unit is used to receive the backup input voltage signal output by the backup power supply, and isolate and convert the backup input voltage signal into the second voltage signal.

5. The hard disk destruction circuit according to claim 4, characterized in that: The main control module includes an MCU; The first port of the MCU is connected to the output end of the destruction enable module for receiving the first enable signal, the second port of the MCU is connected to the first isolation unit and the second isolation unit, and the third port of the MCU is connected to the voltage conversion unit.

6. The hard disk destruction circuit according to claim 5, characterized in that: The emergency trigger module includes a voltage detection unit; The voltage detection unit is used to detect a signal state of the first voltage signal or the second voltage signal, and determine whether to send the second enable signal to the main control module according to the signal state.

7. The hard disk destruction circuit according to claim 6, characterized in that: The destruction enable module includes a VPX connector, and the VPX connector is used to obtain a destruction instruction signal and send the first enable signal to the first port of the MCU according to the destruction instruction signal.

8. An electronic device, characterized in that: A circuit structure equipped with a hard disk destruction circuit as claimed in any one of claims 1 to 7.

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