CN108765668A - Recognition of face intelligent lock system based on internet device and verification method - Google Patents

Abstract

The invention discloses a face recognition intelligent lock system and verification method based on Internet equipment, which relates to the technical field of intelligent locks; it includes a mechanical lock module installed on the door, the mechanical lock module is connected with a control circuit and a power supply module through a motor, and is controlled by a The circuit controls the motor to control the unlocking and locking of the mechanical lock. The control circuit is provided with a WiFi module, and the control circuit receives control signals from the Internet device through the WiFi module; the Internet device is provided with an application program with a face recognition function, which has The application program of the face recognition function communicates wirelessly with the cloud server. The face recognition module is set on the cloud server, and the Internet device and the WiFi module are connected through WiFi; the invention changes the traditional way of opening or closing the door using physical or virtual keys; Facial recognition of more people, more convenient and simple to identify; with enhanced security, and performance will gradually increase over time.

Description

Face recognition intelligent lock system and verification method based on Internet equipment

technical field

The invention belongs to the technical field of intelligent locks, and in particular relates to a face recognition intelligent lock system based on Internet equipment and an identity information verification method for unmanned hotels.

Background technique

With the development and progress of science and technology and the take-off of information technology in the 21st century, intelligent security technology has entered a new field. With the Internet + plan proposed by our country, the relationship between intelligent security technology and computers in the era of big data The boundaries of the world are gradually disappearing, and the society without security technology will appear restless, and the progress and development of world science and technology will be affected. As the main application place of intelligent security technology in the commercial field, the unmanned hotel has the connotation of informatization of related content and services, image transmission and storage, data storage and processing, etc. As far as intelligent security is concerned, a complete intelligent security system mainly includes three parts: access control, alarm and monitoring.

Basic principle: Use the WiFi network communication technology inside the unmanned hotel to connect sensors, controllers, machines, personnel and objects together in a new way to form a connection between people and objects, and objects and objects, and realize informatization and remote management and control and intelligent network.

Product development: Smart door locks are one of the products of smart home security systems. Smart security development mainly includes the establishment of back-end information databases and the provision of big data analysis, maintenance and operation of communication ports for hotels, as well as the development of front-end applications. Intelligent security establishment The information database has the characteristics of data consistency, completeness and security. The biggest advantage of intelligent security is that the hardware is simple, the information is transmitted in a timely manner, and it integrates arming, alarm, detection, and recording. It has a simple structure and a wide range of applications, and can be used in unmanned hotels.

Core technology: Facial recognition is also known as face recognition, facial image recognition, face recognition, etc., and facial recognition uses a general-purpose camera as an identification information acquisition device. The facial image of the recognition object is obtained in a non-contact manner, and the computer system completes the recognition process after comparing the obtained image with the database image. Facial recognition is a recognition method based on biometrics. Compared with traditional recognition methods such as fingerprint recognition, it has the characteristics of real-time, accuracy, high precision, easy to use, high stability, difficult to counterfeit, cost-effective and non-intrusive. User accepts. In order to facilitate the needs of the most popular unmanned hotels nowadays, an ID card swiping identification module has been added. By reading the built-in picture information of the ID card and comparing it with the image collected by the on-site camera, it can be analyzed through the corresponding algorithm whether it is the ID card itself. , if it is to record the ID card information and back it up to the background server, the next time you open the door, you only need face recognition, and you don’t need to swipe the ID card again.

In order to improve the efficiency of door opening, the server must respond to operation requests and collect and store information in a very short time, which puts forward strict requirements on the high concurrency performance of the application server and the high concurrency of the database.

In this system, the server plays an important role. To minimize the possible failure of the server, the server must have corresponding fault tolerance measures, and it is required to avoid single point failure as much as possible for the entire server system.

The search and matching of facial information by the server should be optimized to the greatest extent, and the efficiency should be improved as much as possible.

Contents of the invention

In order to solve the problem that the position of the existing face recognition camera is not flexible enough; the purpose of the present invention is to provide a face recognition intelligent lock system based on Internet equipment and a method for verifying identity information in unmanned hotels.

The face recognition intelligent lock system based on Internet equipment of the present invention includes a mechanical lock module installed on the door, the mechanical lock module is connected with the control circuit and the power supply module through the motor, and the control circuit controls the motor to control the unlocking and locking of the mechanical lock Closed, the control circuit is provided with a WiFi module, and the control circuit receives a control signal from the Internet device through the WiFi module; the Internet device is provided with an application program with a face recognition function, and the application program with a face recognition function communicates with the cloud server wirelessly For communication, a face recognition module is set on the cloud server, and the Internet device and the WiFi module are connected through WiFi.

Preferably, the opening and closing of the mechanical lock module is controlled by a motor, and the motor is controlled by a control module, so that the mechanical lock module can automatically open and close the door.

Preferably, the power supply module takes a 12-volt battery as input, and outputs 12-volt and 5-volt DC power.

As preferably, the WiFi module is connected to the Internet device; the Internet device needs to provide a password to this module when connecting for the first time, and then the WiFi module maintains the connection state with the Internet device; in addition, the WiFi module accepts the door lock switch from the Internet device signal, and switch the door lock by controlling the motor.

As preferably, the application program with the face recognition function detects the face and sends the face image to the server for identification; sends the WiFi number to the WiFi module; receives messages from the server; in addition, controls the speaker of the Internet device to provide audio messages ; Provide door lock switch log.

As preferably, the cloud server sends a message to the Internet device, receives the message from the Internet device; and registers a new user to the door lock system, and performs face recognition to verify the user's identity; saves the switch log record of each door lock, and when necessary These logs are sent to the scan applet with face recognition function on the Internet device of the corresponding user.

The scan applet includes registration and face recognition modules, which are based on neural network and machine learning; receive the registered face image and name; in the recognition stage, it outputs the name of the band to identify the person through the recognition of the face image to be recognized; On average, each recognition takes about 200 milliseconds; the face recognition module conducts new training through the face images collected during the recognition process to further improve the recognition performance.

Preferably, the Internet device has a camera and a loudspeaker, and the Internet device with the camera captures images and analyzes the images to detect the user's face. Once the user's face image is successfully identified and verified, it will be received by the WiFi chip on the smart lock. signal, and control the motor to automatically open the door lock; the face image is detected through the application program with face recognition function on the Internet device; the face recognition is performed on the server; the response after the successful detection is sent to the Internet device through wireless communication ; Subsequently, the Internet device sends a signal to the WiFi module on the door lock, and the door lock uses the control circuit to control the mechanical lock to realize the opening or closing function.

The verification method of the face recognition intelligent lock system based on Internet equipment, its verification steps are as follows:

Step S1: Establish a custom secure communication protocol with the server. When the door lock is connected to the server, the server will send a communication identifier to the door lock to establish secure communication;

Step S2: The user uploads the face scanning information to the server through the application software of the Internet device for archiving;

Step S3: When the user opens the door for the first time, it is required to swipe the ID card to read the information. If using the self-owned Internet device, go to step S4; if using the door lock with camera equipment, go to step S5; if the user is not the first time Go to step S6 when opening the door and use your own Internet device; go to step S7 if the user is not opening the door for the first time and using the camera with the door lock;

Step S4: After the self-owned Internet device and the door lock have established secure communication with the server, the user logs in through the application software of the Internet device, scans the face through the camera of the Internet device, and requests to be identified through the cooperative liveness detection method People make random expressions and actions, and upload the scanned face information to the server. The server performs face recognition on the uploaded face information. After the face recognition is successful, it is compared with the ID card obtained by swiping the ID card If they are the same, the server sends an unlock command to the control chip in the door lock, the door lock performs the door opening operation, and saves the face information stored in the ID card to the server; if they are different, then The server requires re-scanning of the face. If it fails to pass three times in a row, an alarm message will be sent to the application software of its own Internet device and the unmanned hotel administrator, and an alarm will be issued (specifically, an audible and visual alarm will be issued);

Step S5: After the door lock establishes secure communication with the server, the user scans the face through the camera on the door lock, and requires the recognized person to make random expressions and actions through the cooperative liveness detection method, and the door lock will scan The received face information is uploaded to the server, and the server performs face recognition on the uploaded face information. After the face recognition is successful, it is compared with the face scan information stored in the chip of the ID card obtained by swiping the ID card. If the same , the server sends an unlock command to the control chip in the door lock, the door lock performs the door opening operation, and saves the face information stored in the ID card to the server; if it is different, the server requires re-scanning of the face. If it fails, the alarm information will be sent to the application software of its own Internet equipment and the unmanned hotel administrator, and an alarm will be issued (specifically, it is characterized by sound and light alarm);

Step S6: After the self-owned Internet device and the door lock have established secure communication with the server, the user logs in through the application software of the Internet device, scans the face through the camera of the Internet device, and requests to be identified through the cooperative liveness detection method The person makes random expressions and actions, and uploads the scanned face information to the server. The server performs face recognition on the uploaded face information. After the face recognition is successful, it is combined with the ID card stored in the server Compare the face scanning information. If they are the same, the server will send an unlock command to the control chip in the door lock, and the door lock will open the door; if they are different, the server will request to re-scan the face. The alarm information is sent to the self-owned Internet equipment application software and the unmanned hotel administrator, and an alarm is issued (specifically represented as an audible and visual alarm);

Step S7: After the door lock establishes secure communication with the server, the user scans the face through the camera on the door lock, and requires the identified person to make random expressions and actions through the cooperative liveness detection method, and the door lock will scan The received face information is uploaded to the server, and the server performs face recognition on the uploaded face information. After the face recognition is successful, it is compared with the face scan information of the ID card stored in the server. If they are the same, the server sends The unlock command is sent to the control chip in the door lock, and the door lock performs the door opening operation; if it is different, the server requires a face scan again, and if it fails for three consecutive times, an alarm message is sent to the self-owned Internet device application software and the unmanned hotel administrator, and an alarm (specifically characterized by an audible and visual alarm).

Preferably, the door lock includes a central control module and a communication module connected thereto, a liquid crystal display, a voice announcer, a camera, and an audible and visual alarm.

Preferably, before uploading the face information and ID card information, the Internet terminal or the door lock is encrypted to improve the security of private information.

As a preference, the face recognition adopts a cooperative living body detection method, which requires the person to be recognized to make randomly proposed expressions and actions to ensure that only real faces can be recognized successfully, while general plane photos and images are invalid .

Preferably, after the secure communication between the device and the server is established, the scan applet (that is, the corresponding application software) needs to log in by connecting to the server, and then the scan applet (that is, the corresponding application software) can be used to import the required The added facial information is sent to the server, and the imported facial information is safely encrypted to improve the security of private information.

After scanning the face, the face image information is encrypted, and then matched with the face information in the server using the same encryption technology. After pairing, the server will send information to the door lock device. If the pairing is successful, the door lock will be unlocked. If the delivery fails, a failure prompt will be given.

In particular, when the face recognition fails three times, for safety, the door lock will send out an audible and visual alarm, and the alarm will also be pushed to the scan applet and the unmanned hotel administrator through the server. When an alarm occurs, the user can choose to open the camera on the door lock to view it from the scan applet. Users can also cancel the alarm on the scan applet.

The present invention has following beneficial effects:

1. Changed the traditional way of opening or closing the door using physical or virtual buttons;

2. Since the face recognition technology of this smart lock system is based on the most advanced neural network and machine learning technology at present, the possibility of errors and misdetections is small, so it is a safe unmanned hotel door lock control system ;

3. The intelligent lock system based on the face recognition method avoids the problem of being unable to open the door due to forgetting to bring the key when staying in the hotel, and avoids the inability of unmanned hotels to check the identity information of the guests. This lock system is more intuitive, friendly, and convenient than traditional locks. Easy to use and more secure than traditional locks. Moreover, by installing the scan applet with face recognition function on Internet devices, it is convenient for people of different heights to carry out face recognition, and the recognition is more convenient and simple;

4. This access control system has enhanced security and performance will gradually increase over time;

5. It also brings the smart home a step closer to full automation.

Description of drawings:

For ease of illustration, the present invention is described in detail by the following specific implementations and accompanying drawings.

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a flowchart of the present invention.

Detailed ways:

In order to make the object, technical solution and advantages of the present invention clearer, the present invention is described below through specific embodiments shown in the accompanying drawings. It should be understood, however, that these descriptions are exemplary only and are not intended to limit the scope of the present invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the present invention.

Here, it should also be noted that, in order to avoid obscuring the present invention due to unnecessary details, only the structures and/or processing steps closely related to the solution according to the present invention are shown in the drawings, and the related Other details are not relevant to the invention.

As shown in Figure 1, this specific embodiment adopts the following technical solutions: a face recognition intelligent lock system based on Internet equipment, including a mechanical lock module installed on the door, and the mechanical lock module is connected to the control circuit and power supply module through a motor , the motor is controlled by the control circuit to control the unlocking and locking of the mechanical lock, the control circuit is provided with a WiFi module, and the control circuit receives control signals from the Internet device through the WiFi module; the Internet device is provided with an application with a face recognition function Program, the application program with the face recognition function communicates wirelessly with the cloud server, the face recognition module is set on the cloud server, and the Internet device and the WiFi module are connected through WiFi.

The mechanical lock is controlled by a motor to switch the mechanical lock.

The power module takes a 12-volt battery as input, and outputs 12-volt and 5V DC power.

The WiFi module is able to connect to internet devices. The Internet device needs to provide a password to this module when connecting for the first time, and then the WiFi chip maintains the connection state with the Internet device. In addition, the WiFi module can receive the door lock switch signal from the Internet device, and switch the door lock by controlling the motor.

The application program with the face recognition function can detect the face and send the face image to the server for recognition. It is also able to send the WiFi number to the WiFi module. It can also receive messages from the server. In addition, it can also control the speakers of Internet devices to provide audio messages. It is also able to provide door lock switch log.

Said servers can send messages to Internet devices, and can also receive messages from Internet devices. It is also able to register new users to the door lock system, and it can also do face recognition to verify the user's identity. It is also able to save the switch log records of each door lock, and can send these logs to the scan applet with face recognition function of the corresponding user's Internet device when necessary.

The scan applet, including the registration and face recognition modules, is based on neural networks and machine learning. Able to receive registered face images and names. In the recognition stage, it outputs the name of the recognized person through the recognition of the face image to be recognized. On average each recognition takes about 200ms. The module can also be newly trained through face images collected during the recognition process to further improve the recognition performance.

Further, as a matter of course, the Internet device of this application has a camera, a speaker and a WiFi module, and the Internet device with a camera is used to capture images and analyze the images to detect the user's face. Once the user's face image is successfully identified and verified, pass The WiFi module on the smart lock receives the signal and controls the motor to automatically open the door lock. The face image is detected by an application program with face recognition function on the Internet device. Face recognition is performed on the server. The response after successful detection is sent to the Internet device through wireless communication. Then, the Internet device sends the signal to the WiFi module on the door lock, and the door lock uses the control circuit to control the mechanical lock to realize the opening or closing function.

As shown in Figure 2, an unmanned hotel identity information verification method based on face recognition of the present invention, as a specific embodiment of the present invention, Internet devices can, but are not limited to, use the WeChat scan applet, Alipay scan Scan the applet system.

The main steps are as follows:

Step S1: Establish a custom secure communication protocol with the server. When the door lock is connected to the server, the server will send a communication identifier to the door lock to establish secure communication;

Step S2: The user uploads the face scanning information to the server through the application software of the Internet device for archiving;

Step S3: When the user opens the door for the first time, it is required to swipe the ID card to read the information. If using the self-owned Internet device, go to step S4; if using the door lock with camera equipment, go to step S5; if the user is not the first time Go to step S6 when opening the door and use your own Internet device; go to step S7 if the user is not opening the door for the first time and using the camera with the door lock;

Step S4: After the self-owned Internet device and the door lock have established secure communication with the server, the user logs in through the application software of the Internet device, scans the face through the camera of the Internet device, and requests to be identified through the cooperative liveness detection method People make random expressions and actions, and upload the scanned face information to the server. The server performs face recognition on the uploaded face information. After the face recognition is successful, it is compared with the ID card obtained by swiping the ID card If they are the same, the server sends an unlock command to the control chip in the door lock, the door lock performs the door opening operation, and saves the face information stored in the ID card to the server; if they are different, then The server requires re-scanning of the face. If it fails to pass three times in a row, an alarm message will be sent to the application software of its own Internet device and the unmanned hotel administrator, and an alarm will be issued (specifically, an audible and visual alarm will be issued);

Step S5: After the door lock establishes secure communication with the server, the user scans the face through the camera on the door lock, and requires the recognized person to make random expressions and actions through the cooperative liveness detection method, and the door lock will scan The received face information is uploaded to the server, and the server performs face recognition on the uploaded face information. After the face recognition is successful, it is compared with the face scan information stored in the chip of the ID card obtained by swiping the ID card. If the same , the server sends an unlock command to the control chip in the door lock, the door lock performs the door opening operation, and saves the face information stored in the ID card to the server; if it is different, the server requires re-scanning of the face. If it fails, the alarm information will be sent to the application software of its own Internet equipment and the unmanned hotel administrator, and an alarm will be issued (specifically, it is characterized by sound and light alarm);

Step S6: After the self-owned Internet device and the door lock have established secure communication with the server, the user logs in through the application software of the Internet device, scans the face through the camera of the Internet device, and requests to be identified through the cooperative liveness detection method The person makes random expressions and actions, and uploads the scanned face information to the server. The server performs face recognition on the uploaded face information. After the face recognition is successful, it is combined with the ID card stored in the server Compare the face scanning information. If they are the same, the server will send an unlock command to the control chip in the door lock, and the door lock will open the door; if they are different, the server will request to re-scan the face. The alarm information is sent to the self-owned Internet equipment application software and the unmanned hotel administrator, and an alarm is issued (specifically represented as an audible and visual alarm);

Step S7: After the door lock establishes secure communication with the server, the user scans the face through the camera on the door lock, and requires the identified person to make random expressions and actions through the cooperative liveness detection method, and the door lock will scan The received face information is uploaded to the server, and the server performs face recognition on the uploaded face information. After the face recognition is successful, it is compared with the face scan information of the ID card stored in the server. If they are the same, the server sends The unlock command is sent to the control chip in the door lock, and the door lock performs the door opening operation; if it is different, the server requires a face scan again, and if it fails for three consecutive times, an alarm message is sent to the self-owned Internet device application software and the unmanned hotel Administrator, and send out an alarm (specifically characterized as an audible and visual alarm);

In this embodiment, the door lock includes a central control module and a communication module connected thereto, a liquid crystal display, a voice announcer, a camera, and an audible and visual alarm.

In this embodiment, before uploading the face information and the ID card information, the mobile terminal or the door lock is encrypted to improve the security of private information.

In this embodiment, the face recognition adopts a cooperative living body detection method, which requires the person to be recognized to make randomly proposed expressions and actions to ensure that only real faces can be successfully recognized, while general plane photos and images etc. are invalid.

Preferably, after the secure communication between the device and the server is established, the scan applet (that is, the corresponding application software) needs to log in by connecting to the server, and then the scan applet (that is, the corresponding application software) can be used to import all The facial information that needs to be added is sent to the server, and the imported facial information is safely encrypted to improve the security of private information.

After scanning the face, the face image information is encrypted, and then matched with the face information in the server using the same encryption technology. After pairing, the server will send information to the door lock device. If the pairing is successful, the door lock will be unlocked. If the delivery fails, a failure prompt will be given.

Particularly, in this embodiment, when the face recognition fails three times, for safety, the door lock will send out an audible and visual alarm, and the alarm will also be pushed to the Internet device and the unmanned hotel administrator through the server. When an alarm occurs, the user can choose to open the camera on the door lock to view it from the scan applet. Users can also cancel the alarm on the scan applet.

Face recognition requires the person to be recognized to make randomly proposed expressions and actions through a cooperative liveness detection method to ensure that only the face of a real person can be recognized, and the general plane picture, even if it is a person with face information in the server The photo of the creature cannot be recognized to open the door, and the same will be true if it is the face of other creatures.

In this embodiment, the secure communication protocol between the door lock device and the server has a small protocol packet length, is easy to parse, is safe, and is expandable.

In this embodiment, face recognition has two parts, one is the recognition after the door lock camera scans, and the other is the recognition after the Internet device's own camera scans. The door lock camera scans only the communication between the door lock device and the server, the door lock transmits the scanned information to the server for judgment, and then the server returns the judgment information to the door lock; the Internet device camera scan includes the scan applet, server, and door lock device Three aspects of communication, the scan applet transmits the scanned information to the server, and after the server makes a matching judgment, it feeds back to the door lock and the scan applet according to the judgment information, and the door lock and the scan applet respond respectively .

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only includes an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (9)

1. the recognition of face intelligent lock system based on internet device, it is characterised in that：Including mechanical mode locking mounted on a door Block, mechanical lock module are connect by motor with control circuit and power module, by control circuit control motor to control machinery The unlocking of lock and locking, are provided with WiFi module in the control circuit, and control circuit is by WiFi module from internet device Receive control signal；The application program with face identification functions is provided in internet device, with face identification functions Application program is wirelessly communicated with cloud server, and face recognition module, internet device and WiFi are provided on cloud server Module is connected by WiFi.

2. the recognition of face intelligent lock system according to claim 1 based on internet device, it is characterised in that：Described Mechanical lock module is controlled by motor and is opened and closed, and motor is controlled by control module, and mechanical lock module can automatic door opening and shutdown.

3. the recognition of face intelligent lock system according to claim 1 based on internet device, it is characterised in that：The electricity Source module exports 12 volts and 5V DC power supplies using 12 volts of battery as input.

4. the recognition of face intelligent lock system according to claim 1 based on internet device, it is characterised in that：It is described WiFi module is connected to internet device；Internet device needs offer password to give this module when First Contact Connections, later WiFi Module maintains to keep the connection status with internet device；In addition, WiFi module receives the door interlock switch from internet device Signal, and by controlling motor come switch door lock.

5. the recognition of face intelligent lock system according to claim 1 based on internet device, it is characterised in that：The tool Have that the application program of face identification functions detects face and sender's face image is identified to server；No. WiFi is sent to arrive WiFi module；Message is received from server；In addition, the loud speaker of control internet device is to provide audio message；Door lock is provided Switch daily record.

6. the recognition of face intelligent lock system according to claim 1 based on internet device, it is characterised in that：The cloud End server sends messages to internet device, and message is received from internet device；And new user is registered to door-locking system, it conducts oneself Face is identified to verify the identity of user；The switch log recording for preserving each door lock sends these daily records to accordingly if necessary There is the internet device of user sweeping for face identification functions to sweep small routine.

7. the recognition of face intelligent lock system according to claim 6 based on internet device, it is characterised in that：It is described to sweep It includes registration and face recognition module to sweep small routine, is to be based on neural network and machine learning；Receive registered face image and Name；Cognitive phase it by facial image to be identified identification output band identify people title；Average identification every time needs About 200 milliseconds；Face recognition module is known into new training with further improvement by the facial image being collected into identification process Other performance.

8. the recognition of face intelligent lock system according to claim 1 based on internet device, it is characterised in that：It is described mutual Networked devices carry camera and loud speaker, and image, analysis image are captured to detect user with the internet device with camera Face, once user facial image it is identified be proved to be successful after, signal is received by WiFi chip on smart lock, and control Motor automatic opening door lock processed；Facial image is examined by the application program with face identification functions in internet device It surveys；The identification of face is carried out in server；The response after detecting successfully is sent to internet device by radio communication；With Afterwards, internet device sends signal to the WiFi module on door lock, and door lock is realized using control circuit control machinery lock and opened Or closing function.

9. the verification method of the recognition of face intelligent lock system based on internet device, it is characterised in that：Its verification step is such as Under：

Step S1：Custom security communication protocol is established with server, when door lock is connected to server, server can send one The mark of a communication establishes secure communication to door lock, with this；

Step S2：User is achieved by application software upload face scan information to the server of internet device；

Step S3：When user opens the door for the first time, it is desirable that swipe identity document reads information, if using internet device is had by oneself, Enter step S4；If carrying picture pick-up device using door lock, S5 is entered step；When user is opened the door for the first time and using own mutual S6 is entered step when networked devices；If user is not to open the door for the first time and carry picture pick-up device using door lock, S7 is entered step；

Step S4：After own internet device, door lock establish secure communication with server, user passes through internet device Application software logs in, and is scanned to face by the camera of internet device, by formula biopsy method, It is required that identified person makes the expression proposed at random and action, and the face information scanned is uploaded to server, server Face recognition is carried out to the face information of upload, after face recognition success, chip in it is obtained with brush identity card identity card The face scan information of storage is compared, if identical, server sends order of unlocking to door lock internal control coremaking piece, door lock into Row opening door operation, and the facial information stored in identity card is deposited to server；If it is different, then server requirement re-starts face Portion's surface sweeping, if continuous three times all not over sending warning message to own internet device application software and unmanned hotel Administrator, and send out alarm；

Step S5：After door lock and server establish secure communication, user is scanned face by the camera on door lock, Pass through formula biopsy method, it is desirable that identified person makes the expression proposed at random and action, the people that door lock will scan Face information is uploaded to server, and server carries out face recognition to the face information of upload, after face recognition success, by itself and brush The face scan information that chip stores in the identity card that identity card obtains is compared, if identical, server sends life of unlocking It enables to door lock internal control coremaking piece, door lock carries out opening door operation, and the facial information stored in identity card is deposited to server；If no Together, then server requirement re-starts face's surface sweeping, if continuous three times all not over sending warning message to own interconnection Net equipment application software and unmanned guesthouse management person, and send out alarm；

Step S6：After own internet device, door lock establish secure communication with server, user passes through internet device Application software logs in, and is scanned to face by the camera of internet device, by formula biopsy method, It is required that identified person makes the expression proposed at random and action, and the face information scanned is uploaded to server, server Face recognition is carried out to the face information of upload, after face recognition success, by itself and identity card face stored in server Portion's scanning information is compared, if identical, server sends order of unlocking to door lock internal control coremaking piece, and door lock carries out enabling behaviour Make；If it is different, then server requirement re-starts face's surface sweeping, if continuous three times all not over sending warning message extremely Own internet device application software and unmanned guesthouse management person, and send out alarm；

Step S7：After door lock and server establish secure communication, user is scanned face by the camera on door lock, Pass through formula biopsy method, it is desirable that identified person makes the expression proposed at random and action, the people that door lock will scan Face information is uploaded to server, and server carries out face recognition to the face information of upload, after face recognition success, by itself and clothes Stored identity card face scan information is compared in business device, if identical, server sends to unlock and order to door lock Internal control coremaking piece, door lock carry out opening door operation；If it is different, then server requirement re-starts face's surface sweeping, if continuously three times all Not over then sending warning message to own internet device application software and unmanned guesthouse management person, and send out alarm.