CN107424254A - A kind of combined authentication system of smart lock - Google Patents

Description

A combined verification system for smart locks

technical field

The invention belongs to the technical field of electronic locks, and relates to a combination verification system of an intelligent lock.

Background technique

With the continuous improvement of living standards, people pay more and more attention to security issues. The door locks in the access control system have gradually developed from traditional mechanical keys and 1C cards to video intercom and fingerprint recognition technologies. However, the recognition of video and sound in the video intercom system is not high, and it is easy to imitate. Due to the uniqueness of physiological characteristics, the security of fingerprint recognition has been greatly improved, but with the development of fingerprint recognition technology, fingerprint forgery is becoming more and more More and more, and if the finger is injured, the fingerprint authentication cannot be passed.

At present, with the emergence of iris recognition technology, once the iris recognition device fails or the human eye is injured, it will not be able to recognize the user's iris information, resulting in the problem that the door lock cannot be opened. In addition, the doorbell installed on the door is prone to damage. , Visitors outside the door cannot convey information to users inside the door, resulting in the problem of long waiting time for visitors outside the door, causing outside visitors to be unable to let indoor users know that someone is knocking outside the door in a timely manner, making visitors wait for a long time, in order to improve The safety of the door lock, and the problem of enabling indoor users to know in time whether someone is knocking outside the door, a combination verification system for smart locks is now designed.

Contents of the invention

The purpose of the present invention is to provide a combined verification system for smart locks, which solves the problems of low security of existing door locks and the inability of indoor users to know in time whether there are visitors outside the door.

The purpose of the present invention can be achieved through the following technical solutions:

A combined verification system for an intelligent lock, comprising an iris detection module, a fingerprint detection module, a key input module, a pressure detection module, a main control module, a voice broadcast module, a display module, an alarm module, a wireless communication module, a door lock execution module and a vibration module;

The iris detection module is connected with the main control module for detecting iris information;

The fingerprint detection module is connected to the main control module for detecting fingerprint information;

The key input module is connected to the main control module for data input;

The pressure detection module is connected with the main control module and is used to detect the pressure on the outside of the door body;

The main control module is respectively connected with the voice broadcast module, the display module, the alarm module, the wireless communication module, the door lock execution module and the vibration module;

The voice broadcast module includes a voice collector, a data storage, a selector and a voice player.

Further, the iris detection module includes an iris acquisition unit, an iris identification unit, an iris comparison unit and an iris database, the iris acquisition unit is connected to the iris comparison unit through the iris identification unit, and the iris comparison unit is connected to the iris database.

Further, the iris acquisition unit includes a supplementary light device and a camera, the supplementary light device is an infrared light source, and the infrared light source improves the clarity of the camera when taking pictures.

Further, the pressure detection module is a pressure sensor installed on the handle outside the door body.

Further, the voice broadcast module includes a voice collector, a data storage, a selector and a voice player, the voice collector is used to collect sound information around the door and store it in the data storage; the data storage is used to store the operation of the smart lock Navigation voice information and collected voice information; the selector is used to select the type of stored voice information; the voice player receives the voice information selected by the selector and plays the selected voice information.

Further, the key input module adopts keys for digital password input.

Further, the fingerprint detection module adopts a fingerprint collector.

Further, the vibration module adopts a vibrator and is installed inside the door body.

Beneficial effects of the present invention:

In the present invention, the smart lock is provided with an iris detection module, a fingerprint detection module and a key input module that can independently verify the identity of the user, and the iris detection module, the fingerprint detection module and the key input module simultaneously constitute a combined verification of the smart lock, which improves user The accuracy of the verification, and the combined use of multiple methods improve the convenience of users; the main control module sends control commands according to the verification results, controls the door lock to open or controls the alarm module to send an alarm reminder; by installing a pressure detection module and a vibration module, It can effectively remind users that there are visitors outside the door, and has the characteristics of fast verification speed and high accuracy, which greatly improves the safety of residents.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that are required for the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. Those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

Fig. 1 is a block diagram of a combination verification system of an intelligent lock in a kind of the present invention;

In the accompanying drawings, the list of parts represented by each label is as follows:

1-Iris detection module, 101-Iris collection unit, 102-Iris recognition unit, 103-Iris comparison unit, 104-Iris database, 2-Fingerprint detection module, 3-Key input module, 4-Pressure detection module, 5-Main control module, 6-voice broadcast module, 61-voice collector, 62-data memory, 63-selector, 64-voice player, 7-display module, 8-alarm module, 9-wireless communication module, 10-door Lock execution module, 11-vibration module.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Please refer to Fig. 1, the present invention is a combination verification system of an intelligent lock, including an iris detection module 1, a fingerprint detection module 2, a key input module 3, a pressure detection module 4, a main control module 5, a voice broadcast module 6, Display module 7, alarm module 8, wireless communication module 9, door lock execution module 10 and vibration module 11, main control module 5 are respectively connected with iris detection module 1, fingerprint detection module 2, key input module 3, voice broadcast module 6, display The module 7, the alarm module 8, the wireless communication module 9, the door lock execution module 10 and the vibration module 11 are connected, and the wireless communication module 9 is connected with the receiving terminal.

Iris detection module 1 is installed on the door body, and iris detection module 1 comprises iris acquisition unit 101, iris identification unit 102, iris contrast unit 103 and iris database 104, wherein iris acquisition unit 101 comprises supplementary light device and camera, supplementary light device is Infrared light source, the infrared light source emits infrared light to improve the clarity of the camera when taking pictures, the iris information captured by the camera is sent to the iris recognition unit 102, the iris recognition unit 102 receives the collected iris information and performs feature extraction on the iris information, the extracted features The information is sent to the iris comparison unit 103; the iris comparison unit 103 receives the iris feature information sent by the iris recognition unit 102, and compares the iris feature information with the iris feature information in the iris database 104, and the comparison result is sent to the main control module 5.

The fingerprint detection module 2 adopts a fingerprint collector to collect the user's fingerprint graphics. After fingerprint feature extraction, the fingerprint image collected is compared with the stored fingerprint data, and the comparison result is sent to the main control module 5, wherein the fingerprint The collector is an instrument integrating fingerprint collection, feature extraction and data comparison.

The key input module 3 is used for digital password input, and sends the input digital information to the main control module 5 .

The pressure detection module 4 is a pressure sensor, installed on the door handle, for detecting the pressure on the door handle, and sending the detected pressure to the main control module 5;

The main control module 5 is a microcontroller, which is used to process the input iris comparison results, fingerprint comparison results, key input information and detected pressure information, and send control instructions to the display module 7, alarm module 8, Voice broadcast module 6, door lock execution module 10 or vibration module 11.

Voice broadcast module 6 comprises voice collector 61, data memory 62, selector 63 and voice player 64, and voice collector 61 is used for collecting the sound information around the door and is stored in data memory 62; Data memory 62 is used for storing intelligent lock The operation navigation voice information and the collected voice information; the selector 63 is used to select the type of voice information stored in the data memory 62; the voice player 64 plays the intelligent lock operation navigation voice information or the collected voice information according to the type of voice information selected by the selector 63; voice message.

The display module 7 is a liquid crystal display, which is used to display the current time information and the prompt information of the success or failure of the user verification.

The alarm module 8 includes an audible alarm and a light alarm, wherein the audible alarm is installed indoors, and the light alarm is installed on the door handle.

The wireless communication module 9 is for WiFi communication and is connected with the receiving terminal for sending the alarm signal sent by the main control module 5 to the receiving terminal to realize the function of remote monitoring by the user, wherein the receiving terminal is a smart phone or a computer.

The door lock execution module 10 is used for receiving the door opening instruction sent by the main control module 5, and realizing opening of the door according to the received instruction.

The vibration module 11 adopts a vibrator and is installed on the inside of the door body, and is used to receive the control command sent by the main control module 5 to realize the vibration reminder and remind the user that someone is knocking on the door outside the door.

Working principle of the present invention: the system has a variety of identity verification methods, including iris verification, fingerprint verification and key input verification; the iris detection module 1 collects the user's iris information, and identifies and compares it according to the collected iris information. If the iris information comparison is successful, then send the successful comparison information to the main control module 5, and the main control module 5 sends control instructions to the display module 7 and the door lock execution module 10 respectively, and the display module 7 displays the prompt information of successful verification, and the door lock execution module 10 Control the door lock to switch from the closed state to the open state; if the iris information comparison fails, then send the comparison failure information to the main control module 5, the main control module 5 sends a control command to the display module 7, and the display module 7 prompts the user to use the fingerprint detection module 2 perform identity verification;

The fingerprint detection module 2 detects the fingerprint information of the user, and sends the result of the detection to the main control module 5. If the fingerprint verification is successful, the main control module 5 sends control instructions to the display module 7 and the door lock execution module 10, and the door lock The execution module 10 controls the door lock to switch from the closed state to the open state; if the fingerprint verification fails, the main control module 5 sends a control command to the display module 7, and the display module 7 prompts the user to perform key input verification;

The user inputs digital information through the key input module 3. If the key input verification is successful, the door lock is opened. If the verification fails, the main control module 5 sends alarm signals to the alarm module 8 and the wireless communication module 9 respectively, and the alarm module 8 sends out a light alarm. Reminder and sound alarm reminder, at the same time, the wireless communication module 9 forwards the received alarm signal to the user's mobile phone, realizing long and short distance alarm reminders, and improving the safety of the user.

When there is a visitor outside the door, the visitor exerts force on the door handle, and the pressure detection module on the door handle detects the pressure, and sends the detected pressure information to the main control module 5, and the main control module 5 controls the vibration module 11 to send a vibration reminder , to avoid that when the doorbell fails, users inside the door cannot know in real time whether there is a visitor knocking on the door outside the door.

In the present invention, the smart lock is provided with an iris detection module, a fingerprint detection module and a key input module that can independently verify the identity of the user, and the iris detection module, the fingerprint detection module and the key input module simultaneously constitute a combined verification of the smart lock, which improves user The accuracy of the verification, and the combined use of multiple methods improve the convenience of users; the main control module sends control commands according to the verification results, controls the door lock to open or controls the alarm module to send an alarm reminder; by installing a pressure detection module and a vibration module, It can effectively remind users that there are visitors outside the door, and has the characteristics of fast verification speed and high accuracy, which greatly improves the safety of residents.

The above content is only an example and description of the concept of the present invention. Those skilled in the art make various modifications or supplements to the described specific embodiments or replace them in similar ways, as long as they do not deviate from the concept of the invention Or beyond the scope defined in the claims, all should belong to the protection scope of the present invention.

Claims (8)

1. A combination verification system of an intelligent lock, characterized in that: comprising an iris detection module (1), a fingerprint detection module (2), a key input module (3), a pressure detection module (4), a main control module (5) , a voice broadcast module (6), a display module (7), an alarm module (8), a wireless communication module (9), a door lock execution module (10) and a vibration module (11); The iris detection module (1) is connected with the main control module (5) for detecting iris information; The fingerprint detection module (2) is connected with the main control module (5) for detecting fingerprint information; The key input module (3) is connected with the main control module (5) for data input; The pressure detection module (4) is connected to the main control module (5) for detecting the pressure on the outside of the door body; The main control module (5) is respectively connected with the voice broadcast module (6), the display module (7), the alarm module (8), the wireless communication module (9), the door lock execution module (10) and the vibration module (11) ; Wherein the voice broadcast module (6) includes a voice collector (61), a data memory (62), a selector (63) and a voice player (64). 2. the combined verification system of a kind of intelligent lock according to claim 1, is characterized in that: described iris detection module (1) comprises iris collection unit (101), iris identification unit (102), iris comparison unit (103 ) and iris database (104), described iris collection unit (101) is connected with iris comparison unit (103) by iris identification unit (102), and described iris comparison unit (103) is connected with iris database (104). 3. The combined verification system of a kind of intelligent lock according to claim 1, characterized in that: the iris acquisition unit (101) includes a supplementary light device and a camera, the supplementary light device is an infrared light source, and the infrared light source Improve the clarity of the camera when taking pictures. 4. The combination verification system of an intelligent lock according to claim 1, characterized in that: the pressure detection module (4) is a pressure sensor installed on the handle outside the door body. 5. The combination verification system of a kind of intelligent lock according to claim 1, is characterized in that: voice broadcast module (6) comprises voice collector (61), data memory (62), selector (63) and voice player device (64), the voice collector (61) is used to collect the sound information around the door and store it in the data memory (62); the data memory (62) is used to store the operation navigation voice information of the smart lock and the collected Voice information; the selector (63) is used to select the type of stored voice information; the voice player (64) receives the voice information selected by the selector (63) and plays the selected voice information. 6 . The combined verification system of an intelligent lock according to claim 1 , characterized in that: the key input module ( 3 ) uses keys for digital password input. 7 . 7. The combination verification system of an intelligent lock according to claim 1, characterized in that: the fingerprint detection module (2) adopts a fingerprint collector. 8. The combination verification system of an intelligent lock according to claim 1, characterized in that: the vibration module (11) adopts a vibrator and is installed inside the door body.