Recognition device for member management

Abstract

The utility model relates to the technical field of recognition, in particular to a recognition device for member management, which comprises a main processor circuit, a hardware encryption module, a card reader, a touch display screen and a voice prompt module, and the hardware encryption module, the card reader, the touch display screen and the voice prompt module are all connected with the main processor circuit. The hardware encryption module is used for encrypting and decrypting data, the card reader transmits the read data to the main processor circuit for processing, the touch display screen is used for displaying information and operating a touch instruction, and the voice prompt module receives a control signal from the main processor circuit and plays a preset voice file or sound effect. By integrating the advanced hardware encryption technology and various identification means, the member management efficiency is improved, and the safety of the system is enhanced.

Description

Technical Field

[0001] The utility model relates to the field of identification technology, in particular to an identification device for member management. Background Art

[0002] In the field of identification technology, especially identification devices used for member management, existing technologies have made certain progress, but there are still some shortcomings. The main shortcomings are as follows:

[0003] 1) The identification method is relatively monotonous, for example, the IC card must be carried, which limits the scope of use;

[0004] 2) Lack of relevant voice interaction, the interaction is not very friendly;

[0005] 3) Information encryption mainly uses software, which has low security, lacks physical isolation, has slow encryption and decryption speeds, and cannot prevent external attackers from reading or tampering with keys and sensitive data. Utility Model Content

[0006] The utility model provides an identification device for member management, which not only improves the efficiency of member management but also enhances the security of the system by integrating advanced hardware encryption technology and various identification means.

[0007] In order to achieve the purpose of the present utility model, the technical solution adopted is: an identification device for member management, including a main processor circuit, a hardware encryption module, a card reader, a touch display screen and a voice prompt module. The hardware encryption module, the card reader, the touch display screen and the voice prompt module are all connected to the main processor circuit. The hardware encryption module is used for data encryption and decryption. The card reader transmits the read data to the main processor circuit for processing. The touch display screen is used to display information and operate touch commands. The voice prompt module receives control signals from the main processor circuit and plays preset voice files or sound effects.

[0008] As an optimized solution of the present invention, the main processor circuit includes a main control chip U1, and the main control chip U1 is STM32F407ZGT6.

[0009] As an optimized solution of the present invention, the card reader includes an RFID unit, a QR code recognition unit, an NFC unit and a keyboard input unit.

[0010] As an optimization solution of the present utility model, the QR code recognition unit includes a QR code recognition module U2 and a QR code module trigger circuit. The QR code module trigger circuit includes a switch SW1, a resistor R1, a resistor R2, a capacitor C9 and a bidirectional breakdown diode D1. The switch SW1 and the resistor R1 connected in series are connected between the first pin of the QR code recognition module U2 and the ground. One end of the resistor R2 is connected to the power supply VCC, the other end of the resistor R2 is connected to one end of the resistor R1, the other end of the resistor R1 is connected to one end of the bidirectional breakdown diode D1, the other end of the bidirectional breakdown diode D1 is grounded, and the capacitor C9 is connected between the pin of the QR code recognition module U2 and the ground; the 8th pin of the QR code recognition module U2 is connected to the 26th pin of the main control chip U1, and the 9th pin of the QR code recognition module U2 is connected to the 27th pin of the main control chip U1.

[0011] As an optimization solution of the present utility model, the NFC unit includes an NFC chip U3, the AC0 and AC1 ports of the NFC chip U3 are connected to the antenna, the SCL pin of the NFC chip U3 is connected to the 28th pin of the main control chip U1, and the SDA pin of the NFC chip U3 is connected to the 29th pin of the main control chip U1.

[0012] As an optimized solution of the present utility model, the touch display screen includes a touch conversion circuit and a liquid crystal touch display screen U5. The touch conversion circuit includes a touch control chip U4. The 11th pin of the touch control chip U4 is connected to the 10th pin of the main control chip U1, the 12th pin of the touch control chip U4 is connected to the 11th pin of the main control chip U1, the 13th pin of the touch control chip U4 is connected to the 12th pin of the main control chip U1, the 14th pin of the touch control chip U4 is connected to the 13th pin of the main control chip U1, the 15th pin of the touch control chip U4 is connected to the 14th pin of the main control chip U1, and the 16th pin of the touch control chip U4 is connected to the 15th pin of the main control chip U1.

[0013] As an optimization solution of the present invention, the voice prompt module includes a voice module U6, the 14th pin of the voice module U6 is connected to the 40th pin of the main control chip U1, and the 15th pin of the voice module U6 is connected to the 41st pin of the main control chip U1.

[0014] The utility model has positive effects: 1) The utility model has diversified identification methods. By integrating RFID unit, QR code recognition unit, NFC unit and keyboard input unit, it provides multiple identity authentication methods, which not only improves the convenience and flexibility of member management, but also expands the applicable scenarios to meet the needs of different users.

[0015] 2) The present invention provides an enhanced interactive experience: by introducing a touch display screen and a voice prompt module, a graphical user interface and voice interaction are realized, which greatly improves the convenience and friendliness of user operation. The voice prompt function is particularly important for users with limited vision or who are unfamiliar with the operating interface.

[0016] 3) This utility model provides a high level of data security: it uses the NXP A71CH security chip as a hardware encryption module, supporting multiple encryption algorithms. This ensures the security of data transmission and storage, effectively preventing information leakage and illegal tampering. Compared to software encryption, hardware encryption can directly process complex encryption algorithms without relying on the CPU for calculations. This significantly reduces encryption and decryption time and improves overall system performance. Hardware encryption modules typically have physical isolation characteristics, allowing keys and other sensitive data to be stored in a separate secure area, preventing external attackers from accessing this data through software vulnerabilities, providing a solid protection barrier for member information. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0018] Figure 1 This is a principle block diagram of the utility model;

[0019] Figure 2 This is a circuit diagram of the utility model's two-dimensional code recognition module;

[0020] Figure 3 This is a circuit schematic diagram of the utility model's two-dimensional code module trigger circuit;

[0021] Figure 4 This is a circuit diagram of the NFC unit of the utility model;

[0022] Figure 5 This is the circuit schematic diagram of this practical touch conversion circuit;

[0023] Figure 6 This is a circuit diagram of the utility model liquid crystal touch display screen;

[0024] Figure 7 This is a circuit diagram of the voice prompt module of the utility model.

[0025] Among them: 1. Main processor circuit, 2. Hardware encryption module, 3. Card reader, 4. Touch screen, 5. Voice prompt module. DETAILED DESCRIPTION

[0026] like Figure 1As shown, the utility model discloses an identification device for member management, including a main processor circuit 1, a hardware encryption module 2, a card reader 3, a touch display screen 4 and a voice prompt module 5. The hardware encryption module 2, the card reader 3, the touch display screen 4 and the voice prompt module 5 are all connected to the main processor circuit 1. The hardware encryption module 2 is used for encryption and decryption of data. The card reader 3 transmits the read data to the main processor circuit 1 for processing. The touch display screen 4 is used to realize the display of information and the operation of touch instructions. The voice prompt module 5 receives a control signal from the main processor circuit 1 and plays a preset voice file or sound effect.

[0027] The main processor circuit 1 includes a main control chip U1, which is an STM32F407ZGT6. The STM32F407ZGT6 has powerful processing capabilities, rich peripheral interfaces, and flexible power management functions, making it very suitable for building an efficient member management and identification device.

[0028] The card reader 3 includes an RFID unit, a two-dimensional code recognition unit, an NFC unit and a keyboard input unit.

[0029] like Figure 2 and Figure 3 As shown, the QR code recognition unit includes a QR code recognition module U2 and a QR code module trigger circuit. The QR code module trigger circuit includes a switch SW1, a resistor R1, a resistor R2, a capacitor C9, and a bidirectional breakdown diode D1. The switch SW1 and resistor R1, connected in series, are connected between pin 1 of the QR code recognition module U2 and ground. One end of resistor R2 is connected to power supply VCC, the other end of resistor R2 is connected to one end of resistor R1, the other end of resistor R1 is connected to one end of bidirectional breakdown diode D1, the other end of bidirectional breakdown diode D1 is grounded, and capacitor C9 is connected between a pin of the QR code recognition module U2 and ground. Pin 8 of the QR code recognition module U2 is connected to pin 26 of the main control chip U1, and pin 9 of the QR code recognition module U2 is connected to pin 27 of the main control chip U1. The QR code recognition module U2 recognizes the QR code content for the NLS-N1 module and transmits the recognized QR code content to the main control chip U1 via the serial port.

[0030] like Figure 4As shown, the NFC unit includes NFC chip U3. Its AC0 and AC1 ports are connected to the antenna. Its SCL pin is connected to pin 28 of the main control chip U1, and its SDA pin is connected to pin 29 of the main control chip U1. NFC chip U3 uses the ST25DV series, which has an operating temperature of up to 125°C and a two-wire I2C serial interface with the main control chip. This chip also has up to 64kb of EEPROM. As an NFC chip, the ST25DV chip features functions such as GPO interrupt activation, NFC mailbox communication, NDEF writing, energy harvesting, and I2C protection settings. The RFID unit's RFID chip is YL0203. Connect VCC of YL0203 to 5V, GND to ground, and connect RX and TX to the main control chip U1.

[0031] like Figure 5 and 6 As shown, the touch screen 4 includes a touch conversion circuit and an LCD touch screen U5. The touch conversion circuit includes a touch control chip U4. Pin 11 of the touch control chip U4 is connected to pin 10 of the main control chip U1. Pin 12 of the touch control chip U4 is connected to pin 11 of the main control chip U1. Pin 13 of the touch control chip U4 is connected to pin 12 of the main control chip U1. Pin 14 of the touch control chip U4 is connected to pin 13 of the main control chip U1. Pin 15 of the touch control chip U4 is connected to pin 14 of the main control chip U1. Pin 16 of the touch control chip U4 is connected to pin 15 of the main control chip U1. The touch conversion circuit collects touch position signals appearing on the touch screen and transmits the signals to the main control chip U1. The main control chip U1 receives the signals in an interrupt and responds to the signals. The principle is to convert the physical position of the touch point (X, Y) in a rectangular area into voltages representing the X and Y coordinates. These voltages are then sent to the main control chip U1 through the touch circuit. These voltages are then converted into X and Y values ​​on the screen through calculation, completing the click action. The touch control chip U4 uses the ADS7843 touch conversion circuit. The chip has a built-in 12-bit A / D analog-to-digital converter and uses an SPI synchronous serial interface control. The X and Y coordinates need to be calibrated in advance and the calibration values ​​saved in the M25P16 memory. Each time the system is powered on, the calibration values ​​are read in advance and touch operations can be performed normally. Figure 6 As shown, a cost-effective TFT_LCD screen is selected. The screen size of this LCD screen is 2.8 inches, with a total of 240*320 pixels, and a built-in driver chip ILI9325 to control the display of pixels.

[0032] like Figure 7As shown, the voice prompt module 5 includes a voice module U6. Pin 14 of the voice module U6 is connected to pin 40 of the main control chip U1, and pin 15 of the voice module U6 is connected to pin 41 of the main control chip U1. The voice prompt module 5 transmits data via serial communication with the main control chip U1, that is, the PA4 and PA5 pins of the main control chip U1 are connected to the B1 pin (RX0) and the B0 pin (TX0), respectively, saving the I / O port resources of the main control chip U1. SPK+ is connected to the positive pole of the voice playback speaker, and SPK- is connected to the negative pole of the voice playback speaker. MIC+ is connected to the positive pole of the microphone, and MIC- is connected to the negative pole of the microphone. The main function of the microphone is to collect voice commands and transmit them to the SU-03T module. The voice module U6 is an SU-03T module.

[0033] Hardware encryption module 2 uses the NXP A71CH, an ECC-based security chip that supports multiple encryption algorithms, such as ECDSA and ECDH. It features built-in secure storage for sensitive information such as keys and certificates. It supports secure boot and firmware updates. Its low power consumption makes it suitable for battery-powered devices. Its I2C interface facilitates integration with the main control chip U1. It is suitable for membership management systems requiring high security.

[0034] Main processor circuit: As the control core of the entire system, it adopts the high-performance STM32F407ZGT6 microcontroller, which is responsible for coordinating the work of each module, processing the read information, performing encryption / decryption operations, and managing and controlling the user interface.

[0035] Hardware Encryption Module: Utilizing the NXP A71CH security chip, this module provides hardware-level data encryption and decryption capabilities, ensuring the security of sensitive information. This module supports multiple encryption algorithms, effectively protecting member information from unauthorized access or tampering.

[0036] Card reader: contains multiple units and supports multiple identification methods:

[0037] RFID unit: Identifies membership cards through radio frequency technology and reads information without physical contact.

[0038] QR code recognition unit: Use the NLS-N1 module to scan QR codes for fast identity verification.

[0039] NFC unit: uses the ST25DV series chip, supports short-range communication, and allows members to authenticate through mobile devices such as smartphones.

[0040] Keyboard input unit: provides traditional manual input options and increases system flexibility.

[0041] Touchscreen display: The 2.8-inch TFT-LCD screen with the ADS7843 touch conversion circuit not only displays information clearly but also allows users to interact with the system through touch operations, improving the convenience and friendliness of human-computer interaction.

[0042] Voice prompt module: The SU-03T voice module implements voice feedback, which can provide sound prompts when members are operating, enhancing the user experience, especially providing assistance in situations with limited vision.

[0043] Workflow:

[0044] When a member approaches the identification device, the authentication process can be triggered by any method such as RFID, QR code, NFC or keyboard input.

[0045] The card reader reads the member's identity information and sends it to the main processor circuit.

[0046] The main processor circuit performs preliminary processing on the received data, and then calls the hardware encryption module to encrypt the data to ensure information security.

[0047] The verified information will be displayed on the touch screen, and members can perform further operations through the touch screen, such as checking account balance, redeeming points, etc.

[0048] During the entire process, the voice prompt module will issue corresponding voice prompts according to different operation steps to help members complete the operation smoothly.

[0049] If an illegal access attempt is encountered, the hardware encryption module can block it in time to ensure the safe and stable operation of the system.

[0050] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An identification device for member management, characterized by: The invention comprises a main processor circuit (1), a hardware encryption module (2), a card reader (3), a touch display screen (4) and a voice prompt module (5). The hardware encryption module (2), the card reader (3), the touch display screen (4) and the voice prompt module (5) are all connected to the main processor circuit (1). The hardware encryption module (2) is used for data encryption and decryption. The card reader (3) transmits the read data to the main processor circuit (1) for processing. The touch display screen (4) is used for realizing information display and touch command operation. The voice prompt module (5) receives a control signal from the main processor circuit (1) and plays a preset voice file or sound effect.

2. The identification device for member management according to claim 1, characterized in that: The main processor circuit (1) comprises a main control chip U1, and the main control chip U1 is STM32F407ZGT6.

3. The identification device for member management according to claim 2, characterized in that: The card reader (3) comprises an RFID unit, a two-dimensional code recognition unit, an NFC unit and a keyboard input unit.

4. The identification device for member management according to claim 2, characterized in that: The QR code recognition unit includes a QR code recognition module U2 and a QR code module trigger circuit. The QR code module trigger circuit includes a switch SW1, a resistor R1, a resistor R2, a capacitor C9 and a bidirectional breakdown diode D1. The switch SW1 and the resistor R1 connected in series are connected between the first pin of the QR code recognition module U2 and the ground. One end of the resistor R2 is connected to the power supply VCC, the other end of the resistor R2 is connected to one end of the resistor R1, the other end of the resistor R1 is connected to one end of the bidirectional breakdown diode D1, the other end of the bidirectional breakdown diode D1 is grounded, and the capacitor C9 is connected between the pin of the QR code recognition module U2 and the ground; the 8th pin of the QR code recognition module U2 is connected to the 26th pin of the main control chip U1, and the 9th pin of the QR code recognition module U2 is connected to the 27th pin of the main control chip U1.

5. The identification device for member management according to claim 3, characterized in that: The NFC unit includes an NFC chip U3. The AC0 and AC1 ports of the NFC chip U3 are connected to the antenna. The SCL pin of the NFC chip U3 is connected to the 28th pin of the main control chip U1. The SDA pin of the NFC chip U3 is connected to the 29th pin of the main control chip U1.

6. The identification device for member management according to claim 4, characterized in that: The touch display screen (4) includes a touch conversion circuit and a liquid crystal touch display screen U5. The touch conversion circuit includes a touch control chip U4. The 11th pin of the touch control chip U4 is connected to the 10th pin of the main control chip U1. The 12th pin of the touch control chip U4 is connected to the 11th pin of the main control chip U1. The 13th pin of the touch control chip U4 is connected to the 12th pin of the main control chip U1. The 14th pin of the touch control chip U4 is connected to the 13th pin of the main control chip U1. The 15th pin of the touch control chip U4 is connected to the 14th pin of the main control chip U1. The 16th pin of the touch control chip U4 is connected to the 15th pin of the main control chip U1.

7. The identification device for member management according to claim 6, characterized in that: The voice prompt module (5) comprises a voice module U6, wherein the 14th pin of the voice module U6 is connected to the 40th pin of the main control chip U1, and the 15th pin of the voice module U6 is connected to the 41st pin of the main control chip U1.

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