CN103793966A - NFC based door lock control system and method thereof - Google Patents

Abstract

The invention discloses an NFC (near field communications) based door lock control system and a method thereof. The NFC based door lock control system includes a lock body and a cloud server connected thereto. The lock body comprises a drive unit, an electronic unit and a power supply unit. The electronic unit includes: an NFC reading module, which is used for reading the NFC data signal sent by an external authorized NFC tag; a micro-processing module, which is used for receiving the data signal processed and converted by the NFC reading module and performing analytical processing; a wireless communication module, which is connected to the micro-processing module and undergoes data information sending and receiving with the cloud server; and a drive module, which is used for receiving the door lock open/close control signal generated by the micro-processing module and driving the drive unit. The power supply unit is respectively connected to the drive unit and the electronic unit and is used for supplying power. The NFC based door lock control system and the method provided by the invention solve the problems of complex operation, inconvenient carrying, low intelligence, low safety and other technical problems in traditional door locks in the prior art.

Description

A control system and method thereof based NFC lock

FIELD

[0001] The present invention relates to a door lock system, and particularly to a technique based on near field communication NFC technology in conjunction with a wireless communication system and a method for controlling the door lock.

Background technique

[0002] With the rapid development of technology, the industry's products in the pursuit of intelligent, simple, energy-saving, and the current home life they use traditional security access key, which mainly rely on traditional access control keys anti-theft locks to implement security, and traditional keys and locks have a lot of insecurity and inconvenience, the key can easily be copied, and sometimes need to be replaced; and some high-end places where the use of IC card security access control, this IC Once the card is lost it is prone to theft, and preventive measures can only be re-replacement of the IC card, which would also lead to other IC cards need to re-encode or discarded, the operation is very troublesome, and the cost of the IC card is also high can easily lead to a waste of costs, and importantly, this IC cards generally are large volume, inconvenient to carry, in addition to some families will use the password lock, since a person's life to remember a lot of passwords, and sometimes because of bad memory, there may forget the password, and the password lock keys often leave fingerprints, security is very low.

[0003] NFC full name for Near Field Communications (short-range wireless communication technology), is a non-contact sensing and recognition technology, the use of NFC technology, the phone can be turned into transportation cards, credit cards, to achieve mobile payment; advertisers can use NFC technology for interactive print ads with consumers; and some location-based mobile social networking service website will be able to use NFC to realize check-in service, it can be said NFC technology is leading the development direction of the proximity sensing technology, based on a variety of NFC technology innovative applications, will completely change people's lives.

SUMMARY

[0004] The object of the present invention is to provide a system and method for controlling an NFC-based lock, the prior art to solve the complex operation of traditional locks, inconvenient to carry, low intelligence, security and low technical problem, the present invention another objective is to solve the traditional electronic locks require wiring, remote unlocking can not be realized.

To achieve the above object, the present invention is one of the NFC-based control door lock system, comprising a lock body and a cloud server connected thereto, said locking body comprises a drive unit, an electronic unit and a power supply unit, the electronics unit comprising there are: NFC reading module, a reading external NFC opening / closing door lock NFC device sends data signals, and converts the data mode signal received NFC data;

Microprocessor module for receiving the NFC reader module for processing the converted data and signal analysis processing, and generates a control door opening / closing signal;

The wireless communication module, connected to said micro-processing module, controlled by a micro-processing module sends authentication data to the analysis processing of the cloud server and for sending and receiving data information between the server and the cloud; driving module receiving micro-processing module generates the door opening / closing control signal, and driving the driving unit; and the power supply unit are connected to the driving unit and an electronic unit for supply.

[0005] Preferably, the wireless communication module using ZigBee, z-wave, WIFI Bluetooth or wireless communication protocol for data transmission.

[0006] Preferably, the above-described micro-processing unit and the wireless communication module integrated design, ZigBee module, an embedded ZigBee protocol stack, and the internal core 8051 enhanced integration.

[0007] Preferably, the above-described NFC reader module consists of an NFC chip and an NFC antenna radiator, a data signal NFC NFC antenna radiator receiving an external, NFC chip of the NFC said received data signal converted mode data.

[0008] A door lock control based on NFC, said method comprising the steps of:

Step 1: the data signal an NFC reader module reads a lock external NFC device sends a data signal NFC, NFC and RF data signal into digital form is sent to the microprocessor module;

Step 2: The microprocessor module authentication information in the received data signal is sent to the cloud server through the wireless communication module;

Step 3: cloud server determines whether the received authentication information is legitimate, if "legal" then go to the next step 4; if "illegal" is finished;

Step 4: The cloud server legitimate result of the determination information to the microprocessor module;

Step 5: micro processing module executes the control command corresponding instruction signal according to the data received in the step 2, the drive control module driving unit performs the opening / closing door lock operation.

When [0009] NFC door lock control system and method based on a user's authorization to the external NFC tag at close range wireless control according to the present invention, the opening / closing door locks, door close authorized NFC tag, lock body in the NFC reading module reads the NFC radio frequency data signals sent NFC tag, the NFC reading module identification to the radio frequency signal into a digital signal, and data signal information to the authentication server through the wireless communication module Drive authentication, the server determines if the cloud above authentication information is invalid, the micro-processing module executes an action according to the received data signal, the door opening / closing operation.

[0010] Advantageous effects of the invention:

1, using high-tech NFC and ZigBee / z-wave / wireless communication such as Bluetooth technology, a novel structure and excellent performance

Pat

Rise;

2, simple operation, only the NFC tag close contact with the door lock can be realized;

3, high security, carried out by an NFC tag cloud server for the initial registration of identity, creation and identity when using it, once the loss occurs, the user can be achieved through the cloud server logout action for loss of identity tags at any time;

4, with remote lock function, only one device with Internet access to remote lock function.

BRIEF DESCRIPTION

[0011] FIG 1 illustrates a block diagram of an NFC-based lock body lock control system of the present invention;

FIG 2 is a schematic block diagram illustrating the structure of the present invention is based NFC lock control system electronics unit;

3 illustrates a block diagram embodiment of the present invention in lock control system based on NFC embodiment;

FIG 4 illustrates a flowchart of a method of the present invention, the door lock control method based on NFC.

Detailed ways

[0012] In order to facilitate understanding of the skilled in the art, the following embodiments in conjunction with the accompanying drawings of embodiments of the present invention will be further described, the contents mentioned embodiment is not limited to the embodiment of the present invention.

[0013] Referring to FIGS. 1 to 3, one of the present invention NFC door lock control system comprising a lock body connected thereto and a cloud server based, according to the lock body by the drive unit, and a power electronics unit units, the electronic unit may be connected through a gateway device with the cloud server, and mutual transmission / reception data, the power supply unit are connected to the driving unit and an electronic unit for power supply, the power supply unit can be selected 110V, 220V-240V city ​​or battery powered radio access, preferably preferably lithium battery; a motor drive unit, which is connected to the lock cylinder body, the cylinder rotatable implement drive door opening / closing, the electronic unit is It includes:

The NFC reader module, constituted by the NFC chip and an NFC antenna radiator, NFC for the NFC antenna radiator receiving an external data signal NFC tag or other NFC device emitted, the NFC chip of the NFC said received data signal data conversion mode, NFC converts the RF signal into a digital signal;

Micro-processing module, the data read module is connected to the NFC, both may be provided on the same circuit board, which is used for receiving the NFC reader module for processing the converted data signal and analyzing process can be analyzed to obtain the data signal identity authentication information, and the door lock control the opening / closing information, and generate a corresponding control command lock signal;

The wireless communication module, connected to said micro-processing module, controlled by a micro-processing module sends authentication data to the analysis processing of the cloud server and for sending and receiving data information between the server and the cloud, the cloud received the identity of the server authentication result information sent from the door lock control and command information, the present embodiment the wireless communication module using ZigBee wireless communication protocol for data transmission, preferably, the above-described microprocessor module which integrated design, selection ZigBee module, an embedded ZigBee protocol stack, and the internal core 8051 enhanced integrated, micro-processing module 8051 refers to the CPU enhanced, the wireless communication module adopts 2.4GHz IEEE 802.15.4 wireless communication protocols, a router is connected via an Ethernet connection to a gateway device means, and further cloud server by wireless communication between the bridge ZigBee protocol, the wireless communication module and the gateway device; Further, the wireless communication module using ZigBee, z_wave, WIFI Bluetooth or wireless communication protocol for data transmission;

Drive module, microprocessor module generates reception door opening / closing control instruction signal, and driving the driving unit, in particular a drive circuit, the drive motor is rotated, since the driving motor circuit applications where the drive motor and the door lock BACKGROUND field of already well known in the art, the applicant will not be described in detail.

[0014] NFC door lock control system according to the present invention, the user can close the door close to the NFC tag by an authorized or an authorized other NFC device, the above-described NFC data read by an NFC reader module authorized NFC device emits a command signal after the identity authentication server identified by the cloud, then the drive control module microprocessor module by a drive motor to drive the door lock key cylinder is rotated to achieve the door opening / closing.

[0015] Referring to FIG 4, the present invention also provides a door lock control based on NFC, NFC controlling system based on the door lock, the method comprising the following steps:

Step 101: a NFC authorizing the opening / closing door latch apparatus (NFC where the opening / closing door latch apparatus preferably NFC tag) and the identity of the server is set in the cloud, specifically: an initial user NFC tag through the NFC reader, write locks the opening / closing procedures and authentication information, and authentication information to the cloud storage server for authentication to identify the user in the subsequent opening / closing door lock, to ensure the security of the door lock ; this step is a method of controlling an initial step of the door lock system, if the NFC tag has been written and the program status authorization is not necessary to perform this step, step 102 directly;

Step 102 = NFC reading module reads an NFC authorized opening / closing door NFC door lock device sends a control signal, and the NFC radio frequency data signals into a digital data signal to the form of micro-processing module, as follows: an authorization NFC tag near the locks, door locks equipped with an NFC reader module reads some NFC lock the NFC tag issued on / off signal, while the NFC RF data signal into received data signals to digital form, and converts after the data information to the microprocessor module;

Step 103: the authentication information micro-processing module receives the data signal transmitted via the wireless communication module to the cloud server, as follows: microprocessor module analyzes the received data signal to the data signal identity authentication information from the wireless communication module issuing, by a gateway device to a cloud server Ethernet connection;

Step 104: Drive the received server authentication identification information, the authentication information and the authentication step 101, which stores information in the compared pair, it determines whether the received identity authentication information is legitimate, if the "legal" i.e., with the cloud storage server authentication information coincide, the process proceeds to the next step 105; if the "invalid" that does not coincide with authentication information stored in the server cloud is ended; this step is effective to enhance the present invention NFC door lock control system security through authentication cloud server so that unauthorized users can not control the NFC tag lock system to meet the security and convenience needs of access control systems;

Step 105: Drive the server determines whether the received authentication information is valid information, generating a valid authentication signal to the electronic unit and the lock body through the Ethernet network;

Step 106: The micro-processing module 103 receives the above-described step to analyze the data signal wherein the data designating signal and performs a corresponding control command, the control module driving the driving unit performs the opening / closing door lock operation, i.e., the drive motor driving circuit rotated, thereby bringing the lock cylinder connected to the motor movement to achieve opening / closing operation.

[0016] Further, the present invention is based NFC door lock control method further comprises a disabling process, when the user when the opening / closing door lock NFC tag or other NFC device is lost or not in use, then (I) based on the user enters NFC door lock control system cloud server settings; (2) the user to delete the NFC tag cloud corresponding to the authentication information stored in the server. Such that the NFC tag or other NFC device can no longer perform the opening / closing door lock operation, to further improve the security of the door lock control system.

[0017] The present invention is based NFC door lock control system is not limited to the door opening / closing method, the user can also connect to the Internet via a terminal device for door opening / closing control, specifically as follows: a first server authorization terminal device, the user may perform open on the user interface of the terminal device / door lock operation, and control signals and the like via 2G / 3G / 4G or WIFI data network, the gateway device receives the Ethernet or via WIFI control signal, and the received control signal is sent by ZigBee, z_wave, WIFI Bluetooth or the like communication protocol mode to the lock body electronics unit, the electronic unit by receiving the wireless communication module, the microprocessor module analyzes and executes the processing according to the control signal corresponding control command to complete the door opening / closing.

[0018] DETAILED many ways to apply the present invention, the above description is only preferred embodiments of the present invention, it should be noted that those of ordinary skill in the art, in the present invention without departing from the principles of the premise, may also be made of several improvements that can be considered the scope of the present invention.

Claims (5)

A control system based on NFC door lock, characterized in that it comprises a lock body and a cloud server connected thereto, said locking body comprises a drive unit, an electronic unit and a power supply unit, the electronic unit comprises: a read NFC taking module, a read external NFC opening / closing door lock NFC device sends data signals, and converts the data mode data received NFC signal; micro-processing module, for receiving the data conversion processing NFC reader module signal processing and analysis, and generating a control door opening / closing signal; a wireless communication module, with the above-described micro-processing module is connected, controlled by a micro-processing module sends authentication data to the analysis processing of the cloud server, and between the cloud server for sending and receiving data information; drive module, microprocessor module generates reception door open / close control signal, and driving the driving unit; and the power supply unit are connected to the driving unit and an electronic unit for power supply.

2. NFC door lock control system based on claim 1 wherein the wireless communication module using ZigBee, z_wave, WIFI Bluetooth or wireless communication protocol for data transmission in accordance with claim.

3. NFC control system based on door lock, characterized in that according to claim 2, wherein the micro-processing unit and the wireless communication module integrated design, ZigBee module, an embedded ZigBee protocol stack, and the internal core 8051 enhanced integration.

4. NFC control system based on door lock, characterized according to claim 1 or 2, the NFC reader module consists of the above-described NFC chip and an NFC antenna radiator, the NFC antenna radiator receiving an external signal data NFC, NFC chip NFC said received data signal to data conversion mode.

A door lock control based on NFC, characterized in that the method comprises the following steps: Step. 1: NFC reading module reads an external NFC opening / closing door lock NFC device sends data signals, and NFC data signal RF data signal into digital form is sent to the microprocessor module; step 2: microprocessor module the received data signal in the authentication information to the cloud server through the wireless communication module; step 3: cloud server determines whether the received authentication information is legitimate, if the "legal" proceed to the next step 4; if "illegal" is ended; step 4: legitimate result of the determination of the cloud server information to the microprocessor module; step 5: micro-processing module execution control instruction according to the data corresponding to the instruction signal received in step 2, the drive control module driving unit performs the opening / closing door lock operation.