CN212256412U - Internet of things access control system based on RFID and biological identification - Google Patents

Abstract

The patent of the present invention discloses an Internet of Things access control system based on RFID and biometric identification, including an RFID access control module, a biometric identification module, a video monitoring module, an alarm sensing module, a single-chip microcomputer, a central controller, and a control terminal; the RFID access control module and The biometric module is connected to the central controller, through RFID card reader RFID tag matching, fingerprint recognition and infrared face recognition, the background settings control the combination of features that need to be verified when entering the door. The device can intelligently open the door according to the matching data, and turn on the camera to collect images and send alarm information to the background after multiple matching failures; the video monitoring module realizes the real-time monitoring of the outside environment and the collection of face images through the network camera; The single-chip microcomputer is the core control board for sensor information processing. Once there is any abnormality, the access control system can immediately issue alarm information to the background to ensure the security of the access control system.

Description

IoT access control system based on RFID and biometrics

technical field

. The invention belongs to the field of access control equipment, in particular an Internet of Things access control system based on RFID and biometric identification.

Background technique

.The opening method of traditional mechanical locks is relatively simple, and the unlocking process is simple and convenient. With the development and progress of society, traditional mechanical locks have been unable to meet people's safety needs in some places. The access control card is used to identify the identity information through radio frequency identification technology to control the unlocking. The unlocking method is simple and convenient, but because the access control card is easy to lose, the door can be opened only by carrying the access control card, which poses a great security risk. A single fixed unlocking method is lacking in safety and convenience, and the existing access control system cannot obtain image information and send an alarm to the background when multiple verifications fail, nor can it quickly verify the user's identity and open the door intelligently, resulting in The security, ease of use and user experience of existing locks are poor.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the above-mentioned problems and deficiencies, and propose a kind of Internet of Things access control system based on RFID and biometric identification, which is simple in structure, convenient in installation, safe and reliable, and convenient in unlocking.

. In order to achieve the above object, the technical scheme adopted in the present invention is: a kind of Internet of Things access control system based on RFID and biometric identification, it is characterized in that: the RFID tag and RFID card reader including the RFID access control module, the biometric identification module face recognition And fingerprint identification, video surveillance module network camera and pan/tilt, alarm sensor module and single-chip microcomputer, wireless transmission of central controller, PC mobile phone and intelligent remote control of control terminal, RFID access control module and biometric identification module and The central controller is connected, through the RFID card reader RFID tag matching, fingerprint recognition and infrared face recognition, the background setting controls the combination of features that need to be verified when entering the door, which can be single or multiple selections. The video surveillance module communicates with the PC and The smart phone realizes the real-time monitoring of the accessory environment outside the door and the collection of face images. The alarm sensing module uses a single-chip microcomputer as the core control board for sensor information processing, and forms an alarm system with various sensors, buttons, speakers, and indicators.

.Further, the RFID access control, fingerprint recognition and infrared face recognition control the access control switch, through the background settings, can control the combination of features that need to be verified when entering the door, you can select single or multiple selections, when you select RFID or fingerprint recognition to open the door , RFID or fingerprint recognition does not match, automatically turn to face recognition.

Further, described main control chip is STM32 chip, also for when fingerprint matching fails, the face image of collection and the face template pre-stored in the storage carry out face matching and control the lock cylinder when the face matching is successful unlock.

. Further, the RFID chip of the RFID access control module adopts a typical non-contact RFID electronic label Mifare1S50 produced by Philips.

.Further, the fingerprint identification and face identification include, through the fingerprint and face collector, the user's fingerprint and face are recorded, each collected data is stored in the server, and the fingerprint or face is triggered when the user enters the door. The comparison module performs fingerprint or face comparison.

. Further, the video monitoring module is connected with a PC and a smart phone through a central controller and wireless communication.

. Further, the alarm sensor uses a SPCE061A single-chip microcomputer as the core control board for sensor information processing, and forms an alarm system with various sensors, buttons, speakers, and indicator lights.

. Further, the intelligent remote control is a wireless remote control, which can directly control the switch of the access control.

. Beneficial effects of the present invention: The present invention controls the switch of the access control through the matching of the RFID tag of the RFID card reader, the fingerprint recognition and the infrared face recognition matching, so there is no need to worry about the hidden safety hazards brought by the loss of the access control card, and the security performance is improved. The identity information in the RFID tag is verified by the radio frequency detection module, the fingerprint touch signal is identified by the touch sensing module, and the lock is unlocked by the multi-verification method of face recognition, and the camera is turned on after multiple matching failures to collect images and send alarm information to the background. Worrying about the security risks caused by losing access control cards, the security performance is improved. And an alarm system is set up. When abnormal information is sensed, the information will be transmitted to the control center, reminding the user to deal with it, and alarming. The video monitoring module is connected with the PC and the smart phone through the central controller and wireless communication, and the wireless communication network connection is established to monitor the door lock information in real time. Improve the security, convenience and user experience of the access control system.

Description of drawings

1 is the overall structure diagram of the Internet of Things access control system based on RFID and biometric identification according to the present invention;

. Fig. 2 is the RFID radio frequency and biometric identification access control flow chart of the present invention;

. Figure 3 is a block diagram of the radio frequency access control of the radio frequency of the present invention.

. Figure 4 is a block diagram of the single-selection fingerprint identification access control process of the present invention.

. Figure 5 is a block diagram of the radio frequency access control for single-selection face recognition of the present invention.

Detailed ways

. In order to make the content of the present invention clearer, the specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

. The Internet of Things access control system based on RFID and biometric identification provided by the present invention, as shown in Figure 1, includes a network of RFID tags and RFID card readers of RFID access control modules, biometric identification modules, face recognition and fingerprint recognition, and video monitoring modules Camera and pan/tilt, alarm sensor and alarm sensor module, wireless transmission of central controller, PC mobile phone and intelligent remote control of control terminal; RFID access control module and biometric module are connected to central controller through RFID card reader Matching of RFID tags, fingerprint recognition and infrared face recognition, the background setting controls the combination of features that need to be verified when entering the door, which can be single-choice or multi-choice. and face image collection, the alarm sensing module uses a single chip microcomputer as the core control board for sensor information processing, and forms an alarm system with various sensors, buttons, speakers, and indicator lights;

. Each module and the central controller are realized through wireless transmission network, information transmission and control, and WiFi is selected to realize wireless sensor network, which has the characteristics of safety, reliability, low cost, short delay and convenience;

. The PTZ can be remotely controlled to adjust the angle of the webcam according to different needs;

.The alarm sensor of the alarm sensor module includes: human body infrared sensor, vibration sensor and buzzer. A SPCE061A single chip microcomputer is used as the core control board for sensor information processing, and an alarm system is formed with various sensors, buttons, speakers, and indicator lights.

. As shown in Figure 2, it is the RFID radio frequency and biometric access control flow chart of the present invention. The specific method is as follows: the user information is incorporated into the scope of the Internet of Things through RFID technology, and the RFID tag card gives personnel identity information, and can pass The card reader identifies, when the RFID electronic tag enters the radio frequency area of the card reader, the RFID electronic tag obtains activation energy through the radio frequency field of the card reader, and then sends data to the card reader, and then compares the encrypted information. Match, and then verify the biometric information through fingerprint and face recognition. If the fingerprint and face are registered information, the access control will be opened. If it is not registered information, a verification error will be prompted. After multiple verification errors, the fingerprint and face information will be stored for the record. , notify the user in the background and turn on the alarm system;

.Users can control the system through the main program. Collect fingerprints, faces and other information of legitimate users through the device collector, and enter them into the server. Through the background settings, you can control the combination of features that need to be verified when entering the door, which can be single-selected or multi-selected.

As shown in Figure 3, it is a block diagram of the single-select RFID radio frequency access control process flow diagram of the present invention. The specific method is as follows: the RFID tag enters the radio frequency area of the card reader, and is identified by the card reader, and the identification is successful. Control the lock cylinder to unlock, the identification fails, The collected face image is matched with the pre-stored face template, and the lock cylinder is controlled to unlock when the face matching is successful. After multiple matching failures, the face information is stored for the record, and the background user is notified. At the same time, the main control chip outputs the doorbell audio to activate the alarm system.

As shown in Figure 4, the single-selection fingerprint identification access control process block diagram of the present invention, the specific method is the same as the single-selection RFID radio frequency access control method, the fingerprint identification successfully controls the lock cylinder to unlock, the identification fails, the face recognition is activated, and the identification is successful. Control the lock cylinder Unlock, store face information for record after multiple recognition failures, notify background users, and activate the alarm system.

As shown in Figure 5, the radio frequency access control flow diagram of single-selection face recognition of the present invention, concrete mode: the system in standby state, when detecting the face image, the face image of the collection and the face template stored in the storage are carried out. Face matching and control the lock cylinder to unlock when the face matching is successful. After multiple matching failures, the face information is stored for the record, and the background user is notified. At the same time, the main control chip outputs the doorbell audio to activate the alarm system.

In addition to the above unlocking methods of the access control system, the Internet of Things access control system based on RFID and biometric identification of the present invention can also combine RFID radio frequency and fingerprint recognition, RFID radio frequency and face recognition, fingerprint recognition and face recognition. It constitutes the door opening method of this access control system. The selected door opening method can be set through the background to control the combination of features that need to be verified when entering the door. And the intelligent remote control device set in this system can open the door with one key in the room, making the access control system more secure, efficient and convenient.

. The above only expresses the embodiment of the present invention, and its description is more specific and detailed, but it should not be construed as a limitation on the scope of the invention patent. It should be pointed out that for those skilled in the art, without departing from the concept of the present invention, several combinations, modifications and improvements can be made, which all belong to the protection scope of the present invention.

Claims (8)

1. The utility model provides a thing networking access control system based on RFID and biological identification which characterized in that: the system comprises an RFID label and an RFID card reader of an RFID access control module, face recognition and fingerprint recognition of a biological recognition module, a network camera and a holder of a video monitoring module, an alarm sensor and a singlechip of an alarm sensing module, wireless transmission of a central controller, a PC mobile phone and intelligent remote control of a control terminal, wherein the RFID access control module and the biological recognition module are connected with the central controller, the access control system is controlled to be opened and closed together through information matching of the RFID card reader and the RFID label, information matching of fingerprint recognition and infrared face recognition, a background is provided with a feature combination to be verified when an entrance is controlled, the feature combination can be selected singly or more, the video monitoring module realizes real-time monitoring of the environment nearby the outside the door and acquisition of a face image through the network camera, the PC and the intelligent phone, the alarm sensing module uses the singlechip as a sensor information processing core control board to be connected with each sensor, The key, the horn and the indicator light form an alarm system.

2. The internet of things access control system based on RFID and biological identification as claimed in claim 1, wherein: RFID entrance guard, fingerprint identification and infrared face identification control entrance guard switch through the backstage setting, and the steerable characteristic combination that needs the verification when entering the door can be singly selected or the many choices, and when singly selecting RFID or fingerprint identification door opening, RFID or fingerprint identification mismatch turn into face identification automatically.

3. The internet of things access control system based on RFID and biological identification as claimed in claim 1, wherein: the core control board is an STM32 chip and is also used for carrying out face matching on the acquired face image and a face template prestored in the storage when RFID or fingerprint matching fails and controlling the lock cylinder to unlock when the face matching is successful.

4. The internet of things access control system based on RFID and biological identification as claimed in claim 1, wherein: the RFID chip of the RFID access control module adopts a typical non-contact RFID electronic tag Mifare1S50 produced by Philips.

5. The internet of things access control system based on RFID and biological identification as claimed in claim 1, wherein: fingerprint identification and face identification include, type in user's fingerprint and people's face through fingerprint and people's face collector, with every data storage who gathers to the server, trigger fingerprint or people's face when the user enters the door and compare the module and carry out fingerprint or people's face and compare.

6. The internet of things access control system based on RFID and biological identification as claimed in claim 1, wherein: the video monitoring module is connected with the PC and the smart phone through the central controller and wireless communication.

7. The internet of things access control system based on RFID and biological identification as claimed in claim 1, wherein: the alarm sensor takes an SPCE061A single-chip microcomputer as a sensor information processing core control panel, and forms an alarm system with various sensors, keys, a loudspeaker and indicator lamps.

8. The internet of things access control system based on RFID and biological identification as claimed in claim 1, wherein: the intelligent remote control is a wireless remote controller and can directly control the opening and closing of the entrance guard.

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