CN211555012U

CN211555012U - Password fingerprint lock system based on bluetooth

Info

Publication number: CN211555012U
Application number: CN201922453509.2U
Authority: CN
Inventors: 黎忠平; 成赛峰; 黄政
Original assignee: Shenzhen Aixunmei Technology Co ltd
Current assignee: Shenzhen Aixunmei Technology Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-09-22
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a password fingerprint lock system based on bluetooth, including bluetooth host system and touch button module, fingerprint module, RFID module, the motor drive module all be connected with it, touch button module, fingerprint module, RFID module carry out the data communication of button password, fingerprint information, card information with bluetooth host system respectively, bluetooth host system control motor drive module drives the lock motor. The utility model discloses directly let RFID module and bluetooth host system carry out data communication, can not produce dynamic power consumption, can realize that the ultralow power consumption reads the card, connect user terminal through bluetooth host system, the user can directly change the fingerprint setting on the terminal, and user's operation result is told to the mode that this system still can pass through pronunciation or bee calling organ, and is more direct, and more dominant has improved user experience.

Description

Password fingerprint lock system based on bluetooth

Technical Field

The utility model relates to an intelligence lock technical field, in particular to password fingerprint lock system based on bluetooth.

Background

Because the intelligent door lock is more and more widely applied due to the characteristics of comfort, convenience, high efficiency, theft prevention and the like, the intelligent door lock on the market is mainly opened in the modes of fingerprint reading, RFID card reading, key input, mobile terminal control and the like, but a plurality of intelligent door locks on the market continuously train induction cards through MCU and RFID, and the mode can generate dynamic power consumption, so that the prior art needs to be improved.

SUMMERY OF THE UTILITY MODEL

To the problem that prior art exists, the utility model provides a password fingerprint lock system based on bluetooth.

In order to achieve the above purpose, the specific scheme of the utility model is as follows:

the utility model provides a password fingerprint lock system based on bluetooth, includes bluetooth host system and all touch button module, fingerprint module, RFID module, the motor drive module be connected with it, touch button module, fingerprint module, RFID module carry out the data communication of button password, fingerprint information, card information with bluetooth host system respectively, bluetooth host system control motor drive module drive lock motor.

Preferably, the bluetooth master control module adopts a low power consumption bluetooth chip PHY6212-48P as a master control chip of the system.

Preferably, the touch key module comprises a touch key type Flash single chip microcomputer and touch keys on the periphery of the touch key type Flash single chip microcomputer, and the touch key type Flash single chip microcomputer is in data communication with the bluetooth main control module through an I2C bus.

Preferably, the fingerprint module comprises a fingerprint head interface, and the fingerprint head interface is connected with a fingerprint head.

Preferably, the RFID module adopts SI522 as a radio frequency chip, and the radio frequency chip performs data communication with the bluetooth master control module through an SPI data bus.

Preferably, the motor driving module drives the door lock motor to rotate forwards and backwards by adopting a dual-channel direct current motor driving IC.

Preferably, the system further comprises a light display module connected with the Bluetooth master control module.

Preferably, the system further comprises a voice prompt module connected with the bluetooth master control module.

Preferably, the system further comprises a buzzer module connected with the bluetooth master control module.

Preferably, the system further comprises a battery detection and/or standby power supply module connected with the Bluetooth master control module.

Adopt the technical scheme of the utility model, following beneficial effect has:

the utility model discloses directly let RFID module and bluetooth host system carry out data communication, can not produce dynamic power consumption, can realize that the ultralow power consumption reads the card, connect user terminal through bluetooth host system, the user can directly change the fingerprint setting on the terminal, and user's operation result is told to the mode that this system still can pass through pronunciation or bee calling organ, and is more direct, and more dominant has improved user experience.

Drawings

FIG. 1 is a functional block diagram of the present invention;

fig. 2 is a circuit diagram of the bluetooth master control module of the present invention;

fig. 3 is a circuit diagram of the touch key module of the present invention;

FIG. 4 is a circuit diagram of the fingerprint module of the present invention;

fig. 5 is a circuit diagram of the RFID module of the present invention;

fig. 6 is a circuit diagram of the motor driving module of the present invention;

FIG. 7 is a circuit diagram of a light display module according to the present invention;

FIG. 8 is a circuit diagram of the voice prompt module of the present invention;

FIG. 9 is a circuit diagram of the buzzer module of the present invention;

fig. 10 is a circuit diagram of the battery detection module of the present invention;

fig. 11 is a circuit diagram of the power module of the present invention;

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, the utility model provides a password fingerprint lock system based on bluetooth, including bluetooth host system 1 and all touch button module 2, fingerprint module 3, RFID module 4, the motor drive module 5 of being connected with it, touch button module 2, fingerprint module 3, RFID module 4 carry out the data communication of button password, fingerprint information, card information with bluetooth host system 1 respectively, bluetooth host system 1 controls 5 drive motor of motor drive module 5 drive lock motors.

Referring to fig. 1 and 2, the bluetooth master control module 1 adopts a low power consumption bluetooth chip PHY6212-48P as a master control chip U3 of the system, communicates with a user terminal APP through bluetooth, the user inputs a bluetooth key through a mobile terminal APP, the mobile terminal APP transmits the bluetooth key to a bluetooth chip U3 through a bluetooth data channel, and after the bluetooth key is identified by the bluetooth chip U3, determines whether to drive a motor to open a door lock through a motor driving module 5; the process that the user inputs the bluetooth key through the mobile terminal APP adopts the prior art, and is not described here any more.

Referring to fig. 1 and 3, the touch key module 2 includes a touch key type Flash single chip microcomputer U2 and a touch key on the periphery thereof, the U2 is BS83B12C, the touch key type Flash single chip microcomputer performs data communication with the bluetooth main control module through an I2C bus, when a user opens the door lock by inputting a password through the touch key, the touch key is pressed, a TINT pin of the touch key single chip microcomputer U2 generates a rising edge signal and sends the rising edge signal to the bluetooth chip U3, the bluetooth chip U3 receives the touch key signal through a T _ INT pin, and performs data communication with TSDA and TSCL pins of the touch key single chip microcomputer U2 through TSDA and TSCL pins, and the communication mode adopts an I2C protocol; when a user presses one key, the Bluetooth main control module 1 recognizes a key value through a level signal generated by touching the key, processes the key value, matches a preset password, and controls the motor driving module 5 to drive the motor to open the door lock after matching is successful.

Referring to fig. 1 and 4, fingerprint module 3 includes fingerprint head interface, fingerprint head interface connection fingerprint head, user pass through fingerprint head input fingerprint information, bluetooth host system 1 discerns fingerprint information, and control motor drive module 5 driving motor opens the lock after the discernment succeeds.

Referring to fig. 1 and 5, the RFID module 4 adopts SI522 as a radio frequency chip U7, the radio frequency chip U7 performs data communication with the bluetooth main control module 1 through an SPI data bus, and the bluetooth main control module 1 identifies and verifies card data acquired by the RFID module to determine whether to open the door lock by driving the motor through the motor driving module 5.

Referring to fig. 6, the motor driving module 5 drives the door lock motor to rotate forward and backward by using the dual-channel direct current motor driving IC _ U1, after the motor rotates forward, a user opens the door lock by pressing the door handle, and after the motor rotates backward, the user cannot open the door lock even by pressing the door handle, and the motor driving mode here is driven by a simple and common high-low level mode.

Referring to fig. 1 and 7, the system further includes a light display module 6 connected to the bluetooth main control module, when a key is pressed down on the touch key module 2, the bluetooth chip U3 controls the light display module 6 to light up for illuminating the touch key, and when no signal of the touch key is input within a certain time, the light goes off to indicate that the system enters a sleep state.

Referring to fig. 1 and 8, the system further includes a voice prompt module 7 connected to the bluetooth master module 1.

Referring to fig. 1 and 9, the system further includes a buzzer module 8 connected to the bluetooth main control module 1, and both the voice prompt module 7 and the buzzer module 8 may be configured to prompt a user with an operation result.

Referring to fig. 1, 10 and 11, the system further includes a battery detection module and a standby power module connected to the bluetooth master control module.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all of which are in the utility model discloses a conceive, utilize the equivalent structure transform that the content of the specification and the attached drawings did, or directly/indirectly use all to include in other relevant technical fields the protection scope of the present invention.

Claims

1. The utility model provides a password fingerprint lock system based on bluetooth, its characterized in that includes bluetooth host system and touch button module, fingerprint module, RFID module, the motor drive module all connected with it, touch button module, fingerprint module, RFID module carry out the data communication of button password, fingerprint information, card information with bluetooth host system respectively, bluetooth host system control motor drive module drive lock motor, this system still includes the light display module who is connected with bluetooth host system.

2. The bluetooth-based password fingerprint door lock system according to claim 1, wherein the bluetooth master control module adopts a bluetooth low energy chip PHY6212-48P as a master control chip of the system.

3. The password and fingerprint door lock system based on Bluetooth of claim 2, wherein the touch key module comprises a touch key type Flash single chip microcomputer and peripheral touch keys thereof, and the touch key type Flash single chip microcomputer is in data communication with the Bluetooth main control module through an I2C bus.

4. The bluetooth-based combination fingerprint door lock system of claim 2, wherein the fingerprint module comprises a fingerprint head interface, the fingerprint head interface being connected to a fingerprint head.

5. The bluetooth-based password and fingerprint door lock system according to claim 2, wherein the RFID module employs SI522 as a radio frequency chip, and the radio frequency chip performs data communication with the bluetooth master control module through SPI data bus.

6. The bluetooth-based password fingerprint door lock system according to claim 2, wherein the motor driving module drives the door lock motor to rotate forward and backward by using a dual-channel direct current motor driving IC.

7. The Bluetooth-based password and fingerprint door lock system according to any one of claims 1 to 6, further comprising a voice prompt module connected to the Bluetooth master control module.

8. The bluetooth-based password and fingerprint door lock system according to claim 7, further comprising a buzzer module connected with the bluetooth master control module.

9. The bluetooth-based password and fingerprint door lock system according to claim 8, wherein the system further comprises a battery detection and/or standby power module connected to the bluetooth master control module.