KR20160109887A - Portable nfc doorlock connecting with mobile and openning method thereof - Google Patents

Abstract

The present invention relates to an NFC door lock engaged with a mobile and an opening method for the same, wherein the NFC door lock engaged with the mobile does not consume standby power without using an additional device. The NFC door lock engaged with the mobile includes: an NFC tag executing NFC communication with an NFC module of the mobile when an inactivation state of the NFC door lock is changed into an activation state by an NFC signal received from the mobile, and executing a master key registering motion and an individual password registering motion; an opening and closing information storing unit storing a master key received from the mobile and at least an individual password; a door lock control unit receiving the individual password transmitted from the mobile by a door lock opening request of a user from the NFC tag, comparing the received individual password to the at least an individual password stored in the opening and closing information storing unit, and controlling the door lock to be open when the received individual password is matched to the individual password stored in the opening and closing information storing unit; a driving unit generating a driving force by performing a mechanical motion; an opening and closing device locking or opening the door lock by being engaged with a motion of the driving unit; a driving driver opening the opening and closing device by operating the driving unit in accordance with control of the door lock control unit; and a power supply unit supplying power to each component.

Description

{PORTABLE NFC DOORLOCK CONNECTING WITH MOBILE AND OPENING METHOD THEREOF}

BACKGROUND OF THE INVENTION Field of the Invention The present invention relates to a lock such as a door lock device or a lock device which performs locking and unlocking by mobile and NFC (Near Field Communication) communication, and its opening method.

Generally, a lock is installed at a door of a house, a warehouse, an office or a shop, and is used as a door lock device, a digital door lock device, a drawer or a cabinet, a personal diary, a bicycle, These locks have evolved into a form in which a password is opened and opened using a physical means such as a key, and recently, it has evolved into a form using biometrics (eg, iridescence, fingerprint, etc.) or using wireless communication technology .

Among them, there are NFC locks using Near Field Communication (NFC) technology as a lock using wireless communication technology. Conventionally, the NFC lock performs NFC communication with the accessed smart phone (or NFC card) to receive open information, i.e., secret information from the smart phone, compares the received secret information with previously stored secret information, Most of them are open.

The conventional NFC lock 20 has an NFC reader 21 mounted thereon to perform NFC communication with the smartphone 10 as shown in FIG. 1 and transmits secret information to the memory 23 The control unit 22 compares the confidential information stored in the memory 23 with the password received from the NFC reader 21 to determine whether or not to authenticate and transmits the secret information stored in the memory 23 to the driving unit 25 (E.g., a motor or an actuator) is operated to open the opening / closing device 26.

However, since the NFC reader 21 mounted on the conventional NFC lock 20 does not know when the smartphone 10 or the card is accessed, the conventional NFC lock 20 is provided with an access recognition sensor 28 and a clock generator 27 for performing signal synchronization for NFC communication. Here, the access recognition sensor 28 periodically generates a wireless signal to sense the access of an object such as a smartphone 10 or a card, and the NFC reader 21 is activated when an approach is detected.

Since the access recognition sensor 28 and the clock generator 27 are electronic devices requiring power, power for access recognition is consumed. This power dissipation is equal to the standby power consumed in the standby state of the electronic device and is one of the main causes of power dissipation in the lock 20.

Korean Registered Patent No. 10-1296863

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is an object of the present invention to provide a mobile interlocking apparatus and a method of opening the same without consuming a standby power without using a separate apparatus.

According to an aspect of the present invention, a mobile interlocking NFC lock according to an aspect of the present invention is switched from an inactive state to an active state by an NFC signal received from a mobile station and performs NFC communication with the NFC module of the mobile station in an activated state An NFC tag for performing a master key registration operation and a personal password registration operation, an open / close information storage unit for storing the master key received from the mobile and at least one personal password, an individual transmitted from the mobile by the user's request for opening a lock, And compares the received personal password with the at least one personal password stored in the open / close information storage unit. If the received personal password matches the personal password stored in the open / close information storage unit Controls to open the lock on A locking unit for locking or unlocking the lock in conjunction with the operation of the driving unit, and a control unit for controlling the driving unit to open the opening and closing unit according to the control of the lock control unit A driving driver, and a power supply unit for supplying power to each configuration.

The power supply unit may include at least one battery, or may include a solar cell and a power module using solar light. In a case where the power module includes the solar cell and the power module, DC converter for converting received electric energy to a rated voltage, and receives RF-DC power provided by a mobile through the NFC tag to provide the RF power for each configuration.

The master key registration operation of the NFC tag receives one master key from the mobile through NFC communication with the mobile in a state in which the master key is not stored in the open / close information storage unit, and transmits the received master key to the open / In the state where the master key is stored in the open / close information storage unit, receives at least one personal password from the mobile from the mobile through the NFC communication with the mobile, And stores the at least one personal password in the opening / closing information storage unit when the master password is identical to the master key stored in the opening / closing information storage unit.

The NFC tag may include a receiver for receiving an NFC signal transmitted from a mobile station through an antenna, a transmitter for transmitting an NFC signal to the mobile station through the antenna, and an operation unit for controlling an operation of the receiver and the transmitter, And transmits the NFC signal to the mobile. When the master key is received from the mobile through the exchange of the NFC signal, the master key is registered in the opening / closing information storage unit. When the master key is received from the mobile, And an NFC controller for controlling the personal password to be registered in the opening / closing information storage unit.

According to another aspect of the present invention, there is provided a method of opening a mobile interlocking NFC lock, the NFC lock being activated by an activation request signal received from a mobile and performing NFC communication with the mobile, Registering a master key included in the master key registration request when the master key registration request is received from the mobile when the master key registration request is not received, and when the NFC lock receives the password registration request from the mobile, Comparing the master key and the master key included in the request with the registered master key and registering the personal password when the master key and the master key are identical to each other and when the NFC lock receives the lock open request from the mobile, Registered personal password included in And a lock open operation when the password matches the password.

The step of registering the master key may include: identifying the mobile identification information included in the master key registration request, registering the master key corresponding to the identified identification information of the mobile, and registering the personal secret number, Identifies the mobile identification information included in the password registration request, and registers the password in accordance with the identified identification information of the mobile.

The step of opening the lock opens the lock when the personal password included in the lock open request and the mobile identification information match the personal password registered with the mobile identification information.

According to the embodiment of the present invention, since the clock generator and the approach recognition sensor configured in the conventional NFC lock are not required, the manufacturing cost is low and the manufacturing is easy. Further, according to the embodiment of the present invention, it is possible to operate the opening / closing device with low power, so that it can be used as a portable padlock, inconvenience such as battery replacement or charging in the case of using a solar cell It is possible to solve the problem.

1 is a block diagram of a general NFC lock.
2 is a block diagram of a mobile interlocking NFC lock according to a first embodiment of the present invention.
3 is a block diagram of a mobile interlocking NFC lock according to a second embodiment of the present invention.
4 is a view showing a configuration of a power supply unit in a mobile interlocking NFC lock according to an embodiment of the present invention.
5 is a diagram illustrating the configuration of an NFC tag in a mobile interlocking NFC lock according to an embodiment of the present invention.
6 is a flowchart showing an overall operation of an open method of an NFC lock according to an embodiment of the present invention.
7 is a detailed flowchart of a master key setting process in an open method of an NFC lock according to an embodiment of the present invention.
8 is a detailed flowchart of a process of setting a personal password in an open method of an NFC lock according to an embodiment of the present invention.
9 is a detailed flowchart of a lock-unlocking process using a personal password in an open method of an NFC lock according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will be readily apparent to those skilled in the art. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described more fully with reference to the accompanying drawings, in which exemplary embodiments of the invention are shown.

2 is a block diagram of a mobile interlocking NFC lock according to a first embodiment of the present invention. 2, a mobile interlocked NFC lock 100 (hereinafter referred to as an "NFC lock") according to the first embodiment of the present invention performs NFC communication with the mobile 200. At this time, the mobile device 200 is a mobile device capable of wireless Internet communication, has an NFC communication function, and is equipped with a lock application (lock application). For example, the mobile 200 is a smart phone, a PDA, a notebook, a tablet PC, etc., in which a lock app is installed.

The NFC lock 100 includes an NFC tag 110, an opening and closing information storage unit 120, a lock control unit 130, a driving driver 140, a driving unit 150, an opening and closing device 160, and a power supply unit 170 .

The NFC tag 110 is activated by the NFC signal received from the mobile 200 and performs NFC communication with the NFC module of the mobile 200 in the activated state to register the master key received from the mobile 200, And registers the personal password received from the mobile 200. The NFC tag 110 maintains an inactive state, i.e., a state in which power is not consumed, when the NFC signal is not received.

The opening / closing information storage unit 120 stores opening / closing information that allows the opening / closing device 160 to be opened. The opening and closing information is information received through the NFC tag 110, that is, information provided by the mobile 200, and includes a master key and at least one personal password.

The master key is one identification information for identifying the owner, and is composed of a master password including at least one of a plurality of numbers, special characters, and characters, or an ID (identification) and a master password. The master key is used to register, modify, and delete specific information in the lock 200, such as registering or deleting authentication information for authenticating the opening of the lock 200. [ The authentication information is information serving as a key of a general lock, for example, a password or RF tag information that can be used to open a digital door lock device in a digital door lock device.

The lock control unit 130 controls the overall operation of the opening / closing device 160 for the open operation. That is, the lock control unit 130 compares the personal password received from the mobile 200 with the personal password registered by the NFC tag 110, and when the two passwords match, the drive control unit 130 And the open operation is performed. Here, the lock control unit 130 may further include identification information (e.g., telephone number, MAC address, etc.) of the mobile as information for opening the switch 160. In this case, The open / close device 160 is opened when the phone number of the mobile phone 100 matches the registered personal password and the mobile identification information.

The driving driver 140 operates under the control of the lock control unit 130 to operate the driving unit 150. The driving unit 150 performs a mechanical operation such as a motor or an actuator to generate a driving force. The opening and closing device 160 is mechanically connected to the driving driver 140 and operates according to the driving force generated by the driving driver 140 to open the lock. The power supply unit 170 supplies power to the respective components 110 to 150. [

Hereinafter, an NFC lock 100a according to a second embodiment of the present invention will be described with reference to FIG. 3 is a block diagram of a mobile interlocking NFC lock according to a second embodiment of the present invention.

3, the NFC lock 100a according to the second embodiment of the present invention is generally the same as the NFC lock 100 according to the first embodiment of the present invention, but has a power supply unit 170 Is different from the first embodiment.

The NFC lock 100a according to the second embodiment of the present invention may be configured such that the NFC lock 100a included in the NFC signal transmitted from the mobile 200 does not include the power supply unit 170, RF-DC (Radio Frequency-Direct Current) power supply is used. The NFC lock 100a according to the second embodiment of the present invention includes an opening / closing information storage unit 120, a lock control unit 130, a driving driver 140, and a driving unit 150, 110 and a power line. Accordingly, the RF-DC power provided to the NFC tag 110 is provided to each of the components 120 to 150 along the power line. Of course, the NFC lock 100a according to the second embodiment of the present invention is manufactured to operate at a low power in order to use the RF-DC power provided by the mobile device 200. [

Hereinafter, the power supply unit 170 shown in FIG. 2 will be described in detail with reference to FIG. 4 is a view showing a configuration of a power supply unit in a mobile interlocking NFC lock according to an embodiment of the present invention.

As shown in FIG. 4, the power supply unit 170 applied to the NFC lock 100 of the present invention can be configured in various forms. As a most general method, at least one battery may be used to configure the power supply unit 170 as shown in FIG. 4 (a).

Alternatively, as shown in FIG. 4 (b), the solar cell 171 (solar cell) and the power module 172 may be configured to use solar light. At this time, the solar cell 171 converts solar energy into electric energy, and the power module 172 serves as a DC-DC converter to convert the DC voltage supplied from the solar cell 171 into the To a rated voltage, that is, a DC voltage of a predetermined constant voltage.

However, in the case of supplying power using solar energy, the power supply unit 170 needs to solve the problem that the power supply is interrupted when there is no solar energy. To this end, the power supply unit 170 supplies the RF- . Specifically, when the power is supplied from the solar cell 171, the power module 172 supplies a predetermined voltage to each of the components 110 to 150. When the RF-DC power is input from the NFC tag 21, And provides it to each of the components 120 to 150.

Hereinafter, the NFC tag 110 will be described in more detail with reference to FIG. 5 is a diagram illustrating the configuration of an NFC tag in a mobile interlocking NFC lock according to an embodiment of the present invention.

5, an NFC tag 110 according to an embodiment of the present invention includes a receiving unit 111 connected to an antenna 180, a transmitting unit 112, an opening / closing information storage unit 120, and an NFC controller 113, .

The receiving unit 111 receives the NFC signal transmitted from the mobile 200 through the antenna 180 and the transmitting unit 112 transmits the NFC signal to the mobile 200 through the antenna 180. The opening / closing information storage unit 120 stores opening / closing information for opening the opening / closing device 160, and is the same as the opening / closing information storage unit 120 in the description with reference to FIG. 2 and FIG. Accordingly, it can be seen that the open / close information storage unit 120 can be configured outside or inside the NFC tag 110.

The NFC controller 113 controls the operations of the receiver 111 and the transmitter 112 to receive the NFC signal transmitted from the mobile 200 and allow the NFC signal to be transmitted to the mobile 200, If the master key is received from the mobile 200 through the exchange, the master key is registered in the opening / closing information storage unit 120, and when the personal password is received from the mobile 200, the received personal password is stored in the opening / Register. At this time, there is only one master key registered and at least one personal password.

Hereinafter, a method of opening an NCF lock according to an embodiment of the present invention will be described with reference to FIGS. 6 to 9. FIG.

6 is a flowchart showing an overall operation of an open method of an NFC lock according to an embodiment of the present invention. 6, the NFC lock 100, 100a according to the embodiment of the present invention is activated by an activation request signal, i.e., a wakeup signal, received from the mobile 200 and performs NFC communication with the mobile 200 And sets the master key provided by the mobile 200 (S601). At this time, the NFC locks 100 and 100a register the received master key when there is no registered master key.

Next, the NFC lock 100, 100a performs NFC communication with the mobile 200 to receive the master key and the personal password from the mobile 200, and sets the personal password when the master key is the same as the predetermined master key (S602). At this time, one or more personal passwords may be set.

When the master key setting and the personal password setting are completed, the NFC locks 100 and 100a can be opened by the mobile 200 of the user who knows the set personal password number. In this state, the NFC lock 100 is in an inactive state, and when the activation request signal is received from the user's mobile 200, the NFC lock 100 is activated and performs NFC communication with the mobile 200 (S603).

When the NFC locks 100 and 100a receive one personal password from the mobile 200, the NFC locks 100 and 100a determine whether the received personal password is authenticated and perform a lock opening operation, i.e., an unlocking operation (S604).

Hereinafter, the master key setting process (S601) will be described in detail with reference to FIG. 7 is a detailed flowchart of a master key setting process in an open method of an NFC lock according to an embodiment of the present invention.

As shown in FIG. 7, in a state in which the NFC function of the mobile 200 is activated, the user performs NFC tagging close to the NFC lock 100 (S701). Here, NFC tagging does not mean that a mobile operates as a tag main body and transmits tag information in a normal NFC communication, and transmits an NFC signal to the NFC lock 100 to wake up.

The NFC lock 100 activates the NFC tag 110 according to the NFC signal indicating the activation request received from the mobile 200 and informs the mobile 200 that the activation is active (S702).

When the mobile 200 receives the NFC signal from the activated NFC lock 100, the mobile application 200 automatically executes the installed lock application, and the lock application displays the main window on the screen (S703).

The user confirms the main window displayed by the lock application and touches the button (or icon) for registering the master key setting in the main window. Accordingly, the lock application determines that the user requests the master key input (S704) A screen window for inputting the master key is displayed (S705).

When the user inputs a password, a password and an ID (phone number or e-mail address) corresponding to the master key in the screen window in step S706, the lock application registers the master key in the NFC module (not shown) The request (including master key or master key and mobile identification information) is provided to NFC lock 100 (S707).

The NFC lock 100 registers the received master key in response to the master key registration request received from the mobile 200 (S708), and sets a master key registration lock so that it can no longer register the master key (S709). At this time, if the mobile identification information is used, registration of the master key is registered in correspondence with the mobile identification information.

Hereinafter, a procedure for setting a personal password will be described with reference to FIG. 8 is a detailed flowchart of a process of setting a personal password in an open method of an NFC lock according to an embodiment of the present invention.

8, the user activates the lock application with the NFC function of the mobile 200 activated (S801), and approaches the NFC lock 100 to perform NFC tagging, i.e., the NFC activation request signal (S802).

The NFC lock 100 activates the NFC tag 110 according to the NFC signal indicating the activation request received from the mobile 200 in step S803 and informs the mobile 200 that the activation is activated in step S804.

When the lock application of the mobile 200 receives a response to the activation request from the NFC lock 100, the lock application displays the main window on the screen. The user touches a button (or an icon) for registering personal password settings in the main window, and the lock app determines that the user requests to input the personal password and displays a screen window for inputting the personal password (S805) .

When the user inputs the master key and the personal password in the screen window in step S806, the lock application transmits a personal password registration request signal (including the master key and personal password) to the NFC lock (not shown) through the NFC module (not shown) 100 (S807).

The NFC lock 100 compares the master key received from the mobile 200 with the pre-registered master key, and if it is determined that the two master keys match (S809), the personal password is registered (S811). On the other hand, if the NFC lock 100 determines that the two master keys do not match (S809), the mobile 200 notifies the registration failure (S810).

Meanwhile, the NFC lock 100 may register a personal password when both the master key and the mobile identification information match, and the personal password is stored corresponding to the identification information of the mobile.

Hereinafter, a process of opening the NFC lock using the personal password will be described with reference to FIG. 9 is a detailed flowchart of a lock-unlocking process using a personal password in an open method of an NFC lock according to an embodiment of the present invention.

9, the user activates the lock application with the NFC function of the mobile 200 activated (S901), brings the NFC lock 100 close to NFC tagging, that is, the NFC activation request signal (S902).

The NFC lock 100 activates the NFC tag 110 according to the NFC signal indicating the activation request received from the mobile 200 in step S903 and informs the mobile 200 that the activation is activated in step S904.

When the lock application of the mobile 200 receives a response to the activation request, the main window is displayed on the screen, and when the user touches the lock open request button (or icon) in the main window, the lock open screen window is displayed (S905).

When the user inputs a personal password into the lock open window (S906), the lock application transmits an open request signal including the input personal password to the lock 100 (S907).

The NFC lock 100 receives the open request signal from the mobile 100 (S908). The personal password included in the open request signal is compared with the pre-registered personal password (S909), and it is determined whether the two passwords match (S910).

When the two passwords match, the NFC lock 100 operates the opening / closing device 160 to release the lock (S912). On the other hand, if the two passwords do not coincide with each other, the padlock 100 notifies the mobile 200 of authentication failure (S911).

On the other hand, the lock can use the mobile identification information as the authentication information. In this case, when both the mobile identification information and the personal password match, it is determined that the authentication is successful.

It will be understood by those skilled in the art that the foregoing description of the present invention is for illustrative purposes only and that those of ordinary skill in the art can readily understand that various changes and modifications may be made without departing from the spirit or essential characteristics of the present invention. will be. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. For example, each component described as a single entity may be distributed and implemented, and components described as being distributed may also be implemented in a combined form. The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents are to be construed as being included within the scope of the present invention do.

10, 100: NFC lock 20, 200: mobile
110: NFC tag 120: opening / closing information storage unit
130: Lock control unit 140:
150: driving part 160: opening / closing device
170: Power supply unit 171: Solar cell
172: power supply module 111:
112: Transmission unit 113: NFC control unit
180: antenna

Claims (7)

An NFC tag for performing NFC communication with the NFC module of the mobile in a state of being switched from the inactive state to the active state by the NFC signal received from the mobile and performing the master key registration operation and the personal password registration operation in the activated state,
An open / close information storage unit for storing the master key received from the mobile and at least one personal password,
A personal password transmitted from a mobile by a request for opening a lock of a user is received from the NFC tag, and the received personal password is compared with the at least one personal password stored in the open / close information storage unit, A lock control unit for controlling the lock to be opened when the password matches the personal password stored in the opening / closing information storage unit,
A driving unit for generating a driving force by performing a mechanical operation,
An opening / closing device for locking or opening the lock in conjunction with the operation of the driving part, a driving driver for operating the driving part under the control of the lock control part to open the opening / closing device,
A power supply that supplies power to each configuration
Including mobile interlocked FX lock. The method according to claim 1,
The power supply unit may include at least one battery, or may include a solar cell using solar light and a power module,
In the case where the power module includes the solar cell and the power module, the power module functions as a DC-DC converter for converting the electric energy received from the solar cell to a rated voltage, and the RF- A mobile interlocking NFC lock that receives power through the NFC tag and provides it to each configuration. 3. The method according to claim 1 or 2,
The master key registration operation of the NFC tag receives one master key from the mobile through NFC communication with the mobile in a state in which the master key is not stored in the open / close information storage unit, and transmits the received master key to the open / And,
Wherein the master key is stored in the opening / closing information storage unit, receives at least one personal password with the master key from the mobile through NFC communication with the mobile, And stores the at least one personal password in the open / close information storage when the master key is identical to the master key stored in the open / close information storage unit. The method of claim 3,
The NFC tag
A receiver for receiving an NFC signal transmitted from a mobile station through an antenna,
A transmitter for transmitting an NFC signal to the mobile station through the antenna, and
And controls the operations of the receiver and the transmitter to receive the NFC signal transmitted from the mobile and transmit the NFC signal to the mobile. When the master key is received from the mobile through the exchange of the NFC signal, And an NFC controller for registering the master key in the open / close information storage unit and for registering the received personal password in the open / close information storage unit when a personal password is received from the mobile,
Including mobile interlocked FX lock. Wherein the NFC lock is activated by an activation request signal received from the mobile to perform NFC communication with the mobile,
Registering a master key included in the master key registration request when the master key registration request is received from the mobile when the registered master key is not present,
The NFC lock compares the master key with the registered master key in the master key and the private key included in the password registration request upon receipt of the password registration request from the mobile,
When the NFC lock receives a lock open request from the mobile, the NFC lock performs a lock open operation when the personal password included in the lock open request coincides with the registered password
A method of opening an interlocked NFC lock with a mobile. 6. The method of claim 5,
Wherein the registering of the master key comprises: identifying the mobile identification information included in the master key registration request; registering the master key according to the identified identification information of the mobile;
Wherein the step of registering the personal password includes: identifying the mobile identification information included in the password registration request; and registering the password corresponding to the identified identification information of the mobile. The method according to claim 6,
Wherein the step of opening the lock opens the lock when the personal password included in the lock open request and the mobile identification information coincide with the personal identification number and the mobile identification information of which the mobile identification information is registered.

Images