CN211691896U

CN211691896U - Intelligent lock

Info

Publication number: CN211691896U
Application number: CN201922296221.9U
Authority: CN
Inventors: 王志国; 张慧林; 孙国辉
Original assignee: Beijing Cetc Satellite Navigation System Co ltd
Current assignee: Beijing Cetc Satellite Navigation System Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-10-16
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses an intelligent lock, which comprises a lock shell and a processing circuit connected with a lock core in the lock shell, wherein the processing circuit comprises an MCU, a sensor module, a decoding module and a power supply module; the output end of the sensor module is connected with the input end of the decoding chip, the decoding module sends data to the MCU, and the first control end of the MCU is connected with the lock cylinder motor; the power module supplies power to the processing circuit. The utility model discloses a sensor module and decoding module realize the image input of intelligent lock for the intelligent lock can utilize the image password to unblank, can be applied to the two-dimensional code discernment and unblank, has increased the means of unblanking, has extended the application of intelligent lock, satisfies the market demand.

Description

Intelligent lock

Technical Field

The utility model relates to a lock field especially relates to an intelligent lock.

Background

In modern life, intellectualization has become an unsettling trend. With the advent of the finishing era, the pre-installed market capacity of smart locks is not a little worth. In addition to consumer upgrades and pre-market, the interest in smart locks is also increasing in doormills. The intelligent door becomes a main product of each large-door factory facing middle and high-end users, and the intelligent door can not be opened without opening the intelligent lock, so that the intelligent lock has huge potential in application. However, most of the existing intelligent locks are fingerprint identification, and the identification means is single, so that the requirement on a new intelligent lock management mode cannot be met.

Disclosure of Invention

In order to solve the problems, the utility model provides an intelligent lock, which comprises a lock shell and a processing circuit connected with a lock core in the lock shell, wherein the processing circuit comprises an MCU, a sensor module, a decoding module and a power supply module; the output end of the sensor module is connected with the input end of the decoding chip, the decoding module sends data to the MCU, and the first control end of the MCU is connected with the lock cylinder motor; the power module supplies power to the processing circuit.

Preferably, the second control end of the MCU is connected with the sensor module.

Preferably, the power module is further connected with a sensing module, and the sensing module is used for outputting a trigger signal to wake up the power module.

Preferably, the sensing module adopts a proximity detection and touch controller.

Preferably, the MCU model is a 32-bit microcontroller of the Cortex-M kernel STM32 series.

Preferably, the sensor module adopts a high-resolution image sensor.

Preferably, the decoding module adopts a two-dimensional code decoding chip.

Preferably, the processing circuit further comprises an indication module, and the indication module comprises one or more of an indicator light or a buzzer and is used for indicating the action of the lock cylinder motor

The beneficial effects of the utility model reside in that: the utility model discloses a sensor module and decoding module realize the image input of intelligent lock for the intelligent lock can utilize the image password to unblank, can be applied to the two-dimensional code discernment and unblank, has increased the means of unblanking, has extended the application of intelligent lock, satisfies the market demand.

Drawings

Fig. 1 is a schematic structural diagram of an intelligent lock.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

The utility model provides an intelligent lock, which comprises a lock shell and a processing circuit connected with a lock core in the lock shell, wherein the processing circuit comprises an MCU, a sensor module, a decoding module and a power supply module; the output end of the sensor module is connected with the input end of the decoding chip, the decoding module sends data to the MCU, and the first control end of the MCU is connected with the lock cylinder motor; the power module supplies power to the processing circuit.

As shown in FIG. 1, in the present embodiment, the mcu selects a 32-bit microcontroller based on the ARM Cortex-M core STM32 series. The MCU is a low-cost common microprocessor, and is provided with an I2C interface and a UART interface, so that the communication between the sensor module and the decoding chip can be conveniently realized; a special PWM interface is provided to drive the motor; the device is provided with a plurality of I/O ports in total, and can meet the control of an indicator light, a buzzer, a mark signal and the like;

the sensor module adopts a VGA CMOS image sensor, adopts advanced pixel technology and image signal processing function, provides a complete single-chip VGA image system for clients, can control and output full frames through an I2C interface, or realizes the output of images with various sizes in a sampling and window cutting mode, and the second control end of the MCU is connected with the sensor module and used for controlling the output mode.

The decoding chip adopts a two-dimensional code decoding chip, can read various one-dimensional codes and four two-dimensional codes of PDF417, Data Matrix, QR and Chinese sensible code, supports 8-bit parallel port, self-adaptive UART, USB1.1, USB2.0 and CMOS Sensor interface, is internally provided with an image frame RAM, and has modules for uploading and downloading images, CMOS Sensor automatic exposure control and the like.

In addition, in this embodiment, the power module is further connected to a sensing module, and the sensing module is configured to output a trigger signal to wake up the power module. The sensing module adopts capacitive proximity detection and a touch controller, has lower working voltage and lower power consumption, can realize proximity sensing or touch sensing in two modes by using the least external elements, and has wide application in the fields of handheld panels, wearable equipment, white household appliances and the like.

The working process of the intelligent lock is as follows: the method comprises the following steps that a mobile phone is close to an induction module, the induction module outputs a wake-up trigger signal, a system power supply is powered on, an MCU starts to load a program to work, the power supply is kept continuously powered through a PWR _ HOLD signal, meanwhile, the MCU controls a decoding chip and a sensor module power supply to be powered on, after the power supply is completed, the MCU configures the sensor module and the decoding chip, and after the configuration is completed, the sensor module waits for inputting a two-dimensional code; after sweeping the sign indicating number to the two-dimensional code, give decoding chip through DVP interface with the two-dimensional code picture transmission, decoding chip accomplishes and decodes, sends two-dimensional code character string information for MCU through the UART interface, and MCU receives the information after, for saving the electric quantity, with sensor module and decoding chip power outage to carry out processes such as password decryption, authentication, interpretation, drive motor completion is unblanked at last. When the motor is unlocked, the motor is prompted to complete the action through indicators such as an indicator lamp and a buzzer.

In addition, the power supply of the real-time clock of the processing circuit is an independent power supply, continuously works all the time, provides accurate time information for the lock, and the power supply of the real-time clock is from two parts: when the lock is powered by the outside, the power supply of the real-time clock comes from the outside power supply port, and when the outside power supply is powered off, the standby battery on the board supplies power.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims

1. An intelligent lock comprises a lock shell and a processing circuit connected with a lock cylinder in the lock shell, and is characterized in that the processing circuit comprises an MCU, a sensor module, a decoding module and a power supply module; the output end of the sensor module is connected with the input end of the decoding chip, the decoding module sends data to the MCU, and the first control end of the MCU is connected with the lock cylinder motor; the power module supplies power to the processing circuit.

2. The intelligent lock of claim 1, wherein the second MCU control end is connected to a sensor module.

3. An intelligent lock as claimed in claim 1, wherein the power module is further connected to a sensing module, and the sensing module is configured to output a trigger signal to wake up the power module.

4. An intelligent lock according to claim 3, wherein the sensing module is a proximity sensor or a touch sensor manufactured by adopting a photoelectric detection principle or a magnetic induction principle or a self-induction capacitance principle.

5. The intelligent lock of claim 1, wherein the MCU is an ARM-based microcontroller or a 51-chip microcomputer.

6. A smart lock as claimed in claim 1, wherein said sensor module is a high resolution image sensor.

7. An intelligent lock according to claim 1, wherein the decoding module is capable of performing information recognition based on a two-dimensional code or a bar code.

8. An intelligent lock as defined in claim 1, wherein the processing circuit further comprises an indication module, the indication module comprising one or more of an indicator light or a buzzer for indicating the operation of the lock cylinder motor.