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CN-224217101-U - Very-small intelligent hardware equipment and portable memory

CN224217101UCN 224217101 UCN224217101 UCN 224217101UCN-224217101-U

Abstract

The utility model provides a very-small intelligent hardware device, which comprises a tamper detection module, wherein the tamper detection module comprises a tamper switch, a Hall sensor and a permanent magnet, the Hall sensor is connected to the inner wall of one side of the end of a data transmission interface in a shell, the permanent magnet is arranged on the inner wall of the other side opposite to the Hall sensor, the tamper switch is abutted between the inner walls of two sides of the other end of the shell, and the tamper switch and the output end of the Hall sensor are connected in series and are electrically connected with an MCU. The Hall sensor is positioned at the opening end of the shell, the anti-disassembly switch is positioned at the other end, and the Hall sensor can jointly detect the signals from two directions, and can output corresponding level signals to be timely acquired as long as one of the Hall sensor detects that the shell is disassembled.

Inventors

  • LI WENHAO
  • LI ZINAN
  • LIANG LIANG

Assignees

  • 深圳瓶钵信息科技有限公司

Dates

Publication Date
20260508
Application Date
20250425

Claims (10)

  1. 1. The very-miniature intelligent hardware device is characterized by comprising a shell (1) and a cap (2); The shell (1) is internally provided with a system-on-chip (SoC), a memory, a power management chip, a tamper detection module, an MCU and a backup battery; the anti-disassembly detection module comprises an anti-disassembly switch, a Hall sensor and a permanent magnet; The anti-disassembly switch and the output end of the Hall sensor are electrically connected with the MCU, the MCU is electrically connected with the backup battery and the system-on-chip SoC, and the system-on-chip SoC is respectively electrically connected with the memory and the power management chip; One end of the shell (1) is provided with a data transmission interface module (3), the data transmission interface module (3) is electrically connected with the system-on-chip (SoC), and the cap (2) is movably connected with the end of the shell (1) where the data transmission interface module is located; The Hall sensor is connected to the inner wall of one side of the end of the shell (1) where the data transmission interface module is located, the permanent magnet is arranged on the inner wall of the other side opposite to the Hall sensor, the anti-disassembly switch is abutted between the inner walls of the two sides of the other end of the shell (1), and the anti-disassembly switch and the output end of the Hall sensor are connected in series and electrically connected with the system-in-chip SoC; When the shell (1) is not opened, the anti-disassembly switch is in a first on-off state under the action of the inner wall of the shell (1), a low-level signal is output, the Hall sensor detects the strong magnetic field of the permanent magnet, and a low-level signal is output; And in the state that the shell (1) is opened, the anti-disassembly switch loses the acting force of the inner wall of the shell (1), resets to a second on-off state and outputs a high-level signal, and the Hall sensor detects the weak magnetic field of the permanent magnet or cannot detect the magnetic field and outputs the high-level signal.
  2. 2. The very-small intelligent hardware device according to claim 1, wherein the data transmission interface module (3) comprises a data interface and a CC detection circuit; And a CC pin of the data interface is connected with the CC detection circuit, a data transmission interface module of the CC detection circuit is connected with the system-on-chip (SoC), and different types of equipment can be communicated and charged through the data interface by the CC detection circuit.
  3. 3. The very small intelligent hardware device of claim 2, wherein the data interface comprises a USB Type-C interface.
  4. 4. The very-small intelligent hardware device according to claim 2, wherein the anti-disassembly switch comprises an elastic key, the elastic key is pressed against the inner wall of the shell (1) to be in a closed state when the shell (1) is in an unopened state, the MCU obtains a low level, and the elastic key is reset to be in an open state under the elastic action when the shell (1) is in a disassembled state, and the MCU obtains a high level.
  5. 5. The device of claim 4, wherein the backup battery is electrically connected to the CC detection circuit, and wherein the power is harvested while the device is connected to the host device.
  6. 6. The very small intelligent hardware device according to claim 1, characterized in that the cap (2) comprises an outer cap (21) and an inner cap (22); The outer cap (21) is a hollow cuboid with an opening at one side, a concave table (201) is arranged on the inner wall of the opening, and the concave table (201) is sleeved on a corresponding boss (101) of the shell (1); The inner cap (22) is arranged inside the outer cap (21), and when the concave table (201) is sleeved on the boss (101), the inner cap (22) can be sleeved on the data transmission interface module at the same time.
  7. 7. The device of claim 6, wherein the inner wall of the inner cap (22) is provided with a plurality of raised strips to increase friction between the inner cap (22) and the data transmission interface module.
  8. 8. The very small intelligent hardware device according to claim 1, characterized in that the housing (1) comprises an upper and a lower shell, which are connected by studs located at four corners.
  9. 9. The very small intelligent hardware device of claim 4, wherein said memory comprises a first memory area and said MCU comprises a second memory area.
  10. 10. A portable memory comprising the very small intelligent hardware device of any one of claims 1-9.

Description

Very-small intelligent hardware equipment and portable memory Technical Field The utility model relates to the field of storage equipment, in particular to a very-miniature intelligent hardware device and a portable memory. Background With the popularization of mobile internet and the wide application of intelligent terminals, mobile devices (such as smart phones, tablet computers, etc.) become main carriers of personal privacy and sensitive data. The devices have a large amount of personal information, financial data, work data and the like assembled thereon, and when certain software programs are run on the mobile devices, the internal privacy and sensitive data are easily revealed, so that complete isolation and protection of the privacy and sensitive data is very necessary. Patent document CN114021213a discloses an anti-disassembly assembly, an electronic device, and an anti-disassembly method. The anti-disassembly assembly comprises a storage device and an anti-disassembly mechanism, wherein the anti-disassembly mechanism is connected with the storage device, and when the storage device is installed on electronic equipment, the anti-disassembly mechanism triggers the storage device to delete data signals stored in the storage device in response to the fact that a shell of the electronic equipment is opened or the storage device is pulled out. Although the risk of data acquisition is theoretically avoided, how the tamper evident assembly is arranged and how the tamper evident assembly works for a long period of time is not solved during actual operation. Therefore, it is very important to efficiently and for a long time detect whether the housing of the hard disk is detached. Disclosure of utility model Aiming at the defects in the prior art, the utility model aims to provide a very-small intelligent hardware device and a portable memory. The utility model provides a very-miniature intelligent hardware device, which comprises a shell 1 and a cap 2; the shell 1 is internally provided with a system-on-chip SoC, a memory, a power management chip, a tamper detection module, an MCU and a backup battery; The anti-disassembly switch and the output end of the Hall sensor are electrically connected with the MCU, the MCU is electrically connected with the backup battery and the system-on-chip SoC, and the system-on-chip SoC is respectively electrically connected with the memory and the power management chip; One end of the shell 1 is provided with a data transmission interface module 3, the data transmission interface module 3 is electrically connected with the system-on-chip SoC, and the cap 2 is movably connected with the end of the shell 1 where the data transmission interface is located; The anti-disassembly detection module comprises an anti-disassembly switch, a Hall sensor and a permanent magnet, wherein the Hall sensor is connected to the inner wall of one side of the end of the shell 1 where the data transmission interface is located, the permanent magnet is arranged on the inner wall of the other side opposite to the Hall sensor, the anti-disassembly switch is abutted between the inner walls of the two sides of the other end of the shell 1, and the output ends of the anti-disassembly switch and the Hall sensor are connected in series and are electrically connected with the system-in-chip SoC; when the shell 1 is not opened, the anti-disassembly switch is in a first on-off state under the action of the acting force of the inner wall of the shell 1, a low-level signal is output, the Hall sensor detects the strong magnetic field of the permanent magnet, and the low-level signal is output; In the state that the shell 1 is opened, the anti-disassembly switch loses the acting force of the inner wall of the shell 1, resets to a second on-off state and outputs a high-level signal, and the Hall sensor detects the weak magnetic field of the permanent magnet or does not detect the magnetic field and outputs the high-level signal. Further, the data transmission interface 3 comprises a data interface and a CC detection circuit; And a CC pin of the data interface is connected with the CC detection circuit, a data transmission interface of the CC detection circuit is connected with the system-on-chip (SoC), and different types of equipment can be communicated and charged through the data interface through the CC detection circuit. Further, the data interface includes a USB Type-C interface. Further, the anti-disassembling switch comprises an elastic key, the elastic key is pressed against the inner wall of the shell 1 to be in a closed state when the shell 1 is in an unopened state, the MCU obtains a low level, and the elastic key is reset to be in an open state under the elastic action when the shell 1 is in a disassembled state, and the MCU obtains a high level. Further, the backup battery is electrically connected with the CC detection circuit, and electric energy is obtained in a state that the very-small intellig