KR20210110032A - Door lock based on IoT and method for inputting access authentication information thereof - Google Patents

Abstract

The present invention relates to an IoT-based door lock and a method for inputting access authentication information thereof. The IoT-based door lock includes: a wireless communication unit for transmitting and receiving authentication data for authenticating an entrant to and from a control server; a data storage for storing authentication data received through the wireless communication unit; an authentication information input unit for receiving input information for access authentication from an entrant; and a control unit for controlling an opening/closing operation of a lock unit by comparing the input information input through the authentication information input unit with the authentication data of the data storage. The control unit activates the wireless communication unit in an inactive state whenever a time set in a timer arrives, so that the authentication data of the control server is synchronized with the authentication data of the data storage.

Description

Internet of Things-based door lock and its access authentication information input method {Door lock based on IoT and method for inputting access authentication information thereof}

The present invention relates to an Internet-of-Things-based door lock capable of transmitting and receiving data required for access authentication of an occupant through wireless communication and a method for inputting access authentication information therefor.

The digital door lock was developed to solve the security vulnerability of the conventional mechanical door lock. It is a lock device in which the overall opening and locking of the door lock is controlled by an electronic control means using authentication means such as an electronic key, password, fingerprint recognition, etc. .

Digital door locks are widely used in real life due to their convenience and excellent security, but they have many loopholes in security because water can be opened through various methods in actual use. For example, the existing digital door lock has a problem that anyone who knows the password while the door is open can change the setting of the door lock.

In this regard, recently, technologies applied with the Internet of Things (IoT) to digital door locks have been developed and applied to real life in order to improve the security and ease of use of digital door locks. For example, technologies for opening and closing a door lock through an authentication key of a user's smart phone or controlling the door lock through a smart phone in a wireless communication method have been proposed.

However, since power consumption increases in order to mount and operate a wireless communication module, a camera, and various sensors in such an IoT-based door lock, the need for efficient power management is also increasing.

Laid-Open Patent Publication No. 10-2012-0134607 (2012.12.12)

The present invention has been devised in view of the above points, and it is a technical task to provide a door lock capable of improving security and management convenience and enabling efficient power management and a method for inputting access authentication information.

The technical problems to be achieved by the present invention are not limited to the technical problems mentioned above, and other technical problems not mentioned will be clearly understood by those of ordinary skill in the art to which the present invention belongs from the description below. will be able

According to an embodiment of the present invention, a wireless communication unit for transmitting and receiving authentication data for entrant authentication with a control server; a data storage for storing authentication data received through the wireless communication unit; an authentication information input unit for receiving input information for access authentication from a visitor; and a control unit controlling an opening/closing operation of the lock unit by comparing the input information input through the authentication information input unit with the authentication data of the data storage, wherein the control unit is configured to control the opening/closing operation of the lock unit when a time set in a timer arrives. There is provided an IoT-based door lock, characterized in that by activating the communication unit, the authentication data of the control server is synchronized with the authentication data of the data storage.

In addition, the authentication information input unit may include a tagging means for tagging the smart phone or card owned by the visitor.

In addition, the authentication information input unit may include a keypad or a touch screen for the visitor to input a password.

On the other hand, according to another embodiment of the present invention, the method comprising the steps of: receiving the information of the person who is allowed to enter by the manager from the manager's smart phone and newly registering the information in the person's table; authenticating the occupant through information transmitted from the entrant's smart phone; inputting access authentication information corresponding to the registered entrant into the entrant table; and transmitting the data of the entrant table to the IoT-based door lock at the request of the manager or every preset time through a wireless communication network, thereby synchronizing the data of the entrant table and the door lock; Containing, IoT-based door lock A method for entering access authentication information of

In addition, the data of the entrant table may include a list of entrants permitted to enter, contact information for each entrant, an access authentication method, and access authentication information for each entrant.

In addition, the step of authenticating the entrant may include: generating an authentication number corresponding to the registered entrant; transmitting the authentication number and a request for installation of an application for access authentication to the smart phone of the visitor; and verifying the information of the entrant from the entrant table as application installation completion information is received from the entrant's smartphone, generating a serial number and transmitting the information to the entrant's terminal.

In addition, the step of inputting the access authentication information into the entrant table includes generating an authentication key as a request for generating an authentication key is received from the occupant's smart phone together with the serial number, and applying the generated authentication key to the entrant table to reflect on; and transmitting the authentication key to the smart phone of the visitor.

In addition, the step of inputting the access authentication information into the visitor table may include: receiving a card registration request from the smart phone of the visitor along with the identification value of the card and the serial number collected by the smart phone of the visitor; and reflecting the identification value of the card in the entry/exit table.

In addition, the step of inputting the access authentication information into the entrant table may include: receiving a card registration request along with the serial number from the entrant's smart phone and reflecting the access authentication method in the entrant table; receiving the identification value of the card collected by the tagging means of the door lock from the door lock together with the phone number of the person entering the door; and reflecting the identification value of the card in the entrant table after entrant verification through the entrant's phone number.

In addition, the step of inputting the access authentication information into the entrant table may include: receiving a password registration request input by the user into the entrant's smartphone from the entrant's smart phone together with the serial number; and reflecting the password to the entry/exit table.

According to an embodiment of the present invention, only the occupants whose access is authenticated through the manager's smart phone register the access authentication information through the occupant's smart phone, thereby improving the security and management convenience of the door lock.

In addition, it is possible to improve the efficiency of power management of the door lock by activating the wireless communication unit in the inactive state at every preset time through the timer to synchronize the authentication data of the control server and the door lock.

In addition, according to an embodiment of the present invention, there is an advantage of providing convenience to the entrants by allowing each entrant to select an access authentication method, such as a smart phone, a transportation card, a password, etc. desired by each entrant to enter and exit. It has the advantage of being able to manage logs.

1 is a block diagram of an Internet of Things-based door lock system according to an embodiment of the present invention.
Figure 2 is a block diagram showing the configuration of the door lock shown in Figure 1;
Figure 3 is a view schematically showing various access methods for the door lock shown in Figure 1;
4 is a flowchart illustrating an access authentication information input method of an IoT-based door lock according to an embodiment of the present invention.
5 is a signal flow diagram illustrating an access authentication information input method of a smart phone access authentication method.
6 and 7 are signal flow diagrams illustrating an access authentication information input method of a card access authentication method.
8 is a signal flow diagram illustrating an access authentication information input method of a password access authentication method.

Since the present invention can apply various transformations and can have various embodiments, specific embodiments are illustrated in the drawings and described in detail in the detailed description. However, this is not intended to limit the present invention to specific embodiments, and it should be understood to include all modifications, equivalents and substitutes included in the spirit and scope of the present invention. In describing the present invention, if it is determined that a detailed description of a related known technology may obscure the gist of the present invention, the detailed description thereof will be omitted.

Terms such as first, second, etc. may be used to describe various elements, but the elements should not be limited by the terms. The above terms are used only for the purpose of distinguishing one component from another.

The terms used in the present application are only used to describe specific embodiments, and are not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. In the present application, terms such as "comprises" or "have" are intended to designate that a feature, number, step, operation, component, part, or combination thereof described in the specification exists, but one or more other features It should be understood that this does not preclude the existence or addition of numbers, steps, operations, components, parts, or combinations thereof.

Hereinafter, an embodiment of an Internet of Things-based door lock and access authentication information input method according to the present invention will be described in detail with reference to the accompanying drawings. In the description with reference to the accompanying drawings, the same or corresponding components are the same Numbers are given and overlapping descriptions thereof will be omitted.

1 is a block diagram of an IoT-based door lock system according to an embodiment of the present invention.

1, the door lock system according to this embodiment includes a door lock 10 for locking or unlocking a door for a user's access, and a control server connected with the door lock 10 through a wired or wireless communication network (Internet network) ( 20).

The door lock 10 is configured to open the door after verifying the input information by comparing it with the authentication data stored therein when the user inputs information for access authentication for access.

The door lock 10 is configured to enable wireless communication with the control server 20 , and accordingly, is configured to receive authentication data required for access authentication from the control server 20 . The configuration of the door lock 10 will be described in detail later.

The control server 20 is connected online with the smart phone 1 owned by the visitor or the smart phone 2 owned by the manager, and is configured to store various data required for authentication by transmitting and receiving information necessary for authentication of the visitor with them. do.

2 is a block diagram illustrating the configuration of the door lock shown in FIG. 1 , and the configuration of the door lock 10 will be described with reference to FIG. 2 below.

The door lock 10 includes a wireless communication unit 11 , a data storage 12 , an authentication information input unit 13 , and a control unit 14 .

The wireless communication unit 11 is configured to transmit/receive authentication data required for authentication of an occupant with the control server 20 . The wireless communication unit 11 is configured to transmit and receive data to and from the control server 20 through a commercial mobile communication network.

The data storage 12 stores the authentication data received through the wireless communication unit 11, and the authentication data includes a list of persons allowed to enter, contact information for each person, an access authentication method, access authentication information for each person (authentication code), etc. may include.

The authentication information input unit 13 is for receiving input information for access authentication from a visitor, and can be implemented with various types of input means.

3 schematically shows various access authentication methods for the door lock.

As exemplified in FIG. 3 , the authentication information input unit 13 may have a form of tagging means for tagging the smart phone 1 or card (3: for example, a traffic card) owned by the visitor. In this case, the authentication information input unit 13 can be configured to receive an access authentication signal from the smart phone 1 or card 3 of the visitor through a short-range communication method (eg, NFC, Bluetooth, etc.).

In addition, the authentication information input unit 13 may have the form of a keypad 4 or a touch screen for an entrant to input a password.

Hereinafter, as an input method of the authentication information input unit 13, a smartphone tag method, a card tag method, and a password input method are all adopted based on a configuration. However, the authentication information input unit 13 is not limited thereto, and only one of the exemplified configurations may be applied, or it will be possible to additionally apply another input means.

On the other hand, the control unit 14 verifies the input information of the occupant by comparing the input information input through the authentication information input unit 13 with the authentication data stored in the data storage 12, and according to the result, the opening and closing operation of the lock unit to control When the input information of the person entering (eg, the authentication key of the smart phone) matches the authentication data stored in the data storage 12 , the lock unit is unlocked as an authorized person.

The door lock 10 is provided with a power supply unit 16 for supplying power, which has the form of a replaceable battery, or it is possible to use an external power source.

According to the present embodiment, for efficient power management, the wireless communication unit 11 is not always maintained in an activated state, but a timer 15 is provided to activate the wireless communication unit 11 every time a preset time arrives and is usually in an inactive state. to keep

The control unit 14 activates the inactive wireless communication unit 11 whenever the time set in the timer 15 arrives so that the authentication data of the control server 20 is synchronized with the authentication data of the data storage 12 . The time of the timer 15 can be changed and set according to the synchronization period desired by the administrator, such as 12 hours or 24 hours.

The control unit 14 generates a synchronization request signal at the time set in the timer 15 so that the synchronization request signal is transmitted to the control server 20 through the wireless communication unit 11, and the control server 20 stores in response thereto. The authentication data is transmitted to the door lock 10 to update the data of the door lock 10 with new data (see FIG. 3 ).

After completion of the synchronization operation, the control unit 14 switches the wireless communication unit 11 back to the inactive state, and maintains the wireless communication unit 11 in the inactive state until the next synchronization time arrives.

4 is a flowchart illustrating an access authentication information input method of an IoT-based door lock according to an embodiment of the present invention.

The method of inputting access authentication information of the door lock according to the present embodiment will be described with reference to FIG. 4 . First, the control server 20 receives the information of the entrants permitted to enter from the manager's smartphone 2 and puts it in the entrant table. This is newly registered (S10).

Next, the control server 20 authenticates the entrant through the information transmitted from the smart phone 1 of the entrant who is permitted to enter (S20), and this process will be described in more detail later.

When the entrant authentication is completed, the control server 20 provides access authentication information corresponding to the entrant (an authentication key for identifying the entrant's smartphone, a card identification value for identifying the entrant's card, a password set by the entrant, etc.) It is entered into the entry/exit table (S30). Here, the data of the entrant table may include a list of entrants permitted to enter, contact information for each entrant, an access authentication method, access authentication information for each entrant, and the like.

Then, the control server 20 transmits the data of the occupant table to the door lock 10 through a wireless communication network at the request of the administrator or at every preset time, and the occupant table of the control server 20 and the data storage of the door lock 10 . Let the data in (12) be synchronized.

Hereinafter, an access authentication information input method of the door lock 10 for each access authentication method of the smart phone access authentication method, the card access authentication method, and the password access authentication method will be described in detail.

5 is a signal flow diagram illustrating an access authentication information input method of a smart phone access authentication method.

Referring to FIG. 5 , the manager requests (S11) registration of the person who wants to allow access (that is, the person who wants to be included in the person allowed to enter) through the smart phone 2 he owns (S11), It is transmitted to the control server 20 together with (eg, a person's name, phone number, etc.).

The control server 20 newly registers the corresponding entrant information in the entrant table (S12). In this process, the information of the entrant is compared with the entrant table to verify whether the previously registered or not. proceed with registration.

Next, the control server 20 verifies the entrant through the information transmitted from the smart phone 1 of the entrant (S20, see Fig. 4). To describe the specific process, first, the control server 20 An authentication number corresponding to the visitor is generated (S21). And, the installation request of the application for access authentication is transmitted along with the authentication number to the smart phone 1 of the visitor (S22), which can be transmitted in the form of SMS transmission, SNS message transmission, etc. do.

Accordingly, the visitor installs the application for access authentication on the smartphone 1, and in this process, a process such as member registration or input of visitor information may be performed together or sequentially. Accordingly, application installation completion information is transmitted from the visitor's smartphone 1 to the control server 20, and at this time, the authentication number and member registration information are transmitted together (S23).

The control server 20 compares the visitor information (or member registration information) transmitted from the visitor's smartphone 1 with the information in the visitor table to verify the visitor information (S24), and if the verification is passed, a serial number is generated. do (S25). The control server 20 transmits the serial number to the visitor's smartphone 1, and the corresponding serial number is stored in the visitor's smartphone 1 (S27).

Next, the control server 20 performs a process of inputting the access authentication information into the entrant table (S30, see Fig. 4). To describe the specific process, first, the entrant selects an access authentication method in the application for access authentication, (S31), in the case of this embodiment, the case of selecting with a smart phone is exemplified. In some cases, the smartphone authentication method is set as the default authentication method, and in the case of the smartphone authentication method, the selection process for the access authentication method may be omitted. possible.

Then, a request for generating an authentication key (or unique identifier, UUID, etc.) is transmitted from the visitor's smartphone 1 to the control server 20 together with the pre-stored serial number (S32), the control server 20 After verifying the transmitted serial number (S33), generates an authentication key and reflects the generated authentication key in the entry/exit table (S34). Then, the control server 20 transmits the corresponding authentication key to the smart phone 1 of the visitor (S35), and the corresponding authentication key is stored in the smart phone 1 of the visitor (S36).

Next, whenever the time set in the timer 15 arrives, the door lock 20 transmits a synchronization request to the control server 20, and accordingly, the control server 20 transmits authentication data to the door lock 10 to the door lock ( 10) and the data between the control server 20 is synchronized (S40). According to such a synchronization operation, the authentication key of the corresponding entrant is transmitted to and stored in the door lock 10 (S41). Accordingly, the occupant tags the smart phone 1 to the door lock 10 to enable entry and exit of the door. . In addition, according to the synchronization operation, registration or deletion of access personnel, change of access authentication method, etc. are reflected in the door lock (10).

6 and 7 are signal flow charts showing an access authentication information input method of the card access authentication method. FIG. 6 exemplifies a case in which a card is registered through the smart phone 1 of the visitor, and FIG. 7 is a door lock ( 10) is an example of registering a card.

Meanwhile, FIGS. 6 and 7 omit the process of registering new entrants (S11 to S13) and authenticating entrants through information transmitted from the entrant's smart phone (S21 to S27) in FIG. 5, and thereafter Only the process of

Referring to FIG. 6 , after the serial number generated by the control server 20 is transmitted and stored to the visitor's smartphone 1, the control server 20 inputs the access authentication information to the visitor table (S30, see FIG. 4) ) to perform the process.

Specifically, the visitor selects an access authentication method as a card (eg, a traffic card with built-in NFC function, a credit card, etc.) in the application for access authentication (S50). Accordingly, in the application for access authentication, the process of scanning the card to the smart phone 1 is executed by the entrant, and the card identification value is stored in the smart phone 1 as the card scan is performed.

Thereafter, the card registration request is transmitted from the smart phone 1 of the visitor to the control server 20 together with the serial number and the card identification value (S52). After verifying the transmitted serial number (S53), the control server 20 reflects the access method and the transmitted card identification value to the access table (S54). Then, a response to the processing result is transmitted to the smart phone 1 of the visitor (S55).

After that, a synchronization operation is performed every time the time set in the timer 15 arrives (S40), and the card identification value is stored in the door lock (S42). Accordingly, the occupant tags the card to the door lock 10 to prevent access to the door. it becomes possible The synchronization operation can be set to be performed not only at the time set in the timer 15 , but also when a synchronization request is made through the manager's smartphone 2 .

7 is not a method of transmitting the card identification value to the control server 20 through smart phone scanning as in the case of FIG. showing the way

Referring to FIG. 7 , after the serial number generated by the control server 20 is transmitted and stored to the smart phone 1 of the visitor, the control server 20 inputs the access authentication information to the visitor table (S30, see FIG. 4 ) ) to perform the process.

Specifically, the visitor selects the access authentication method as a card in the access authentication application (S60). After that, the card registration request is transmitted from the smart phone 1 of the visitor along with the serial number to the control server 20 (S62). After verifying the transmitted serial number (S63), the control server 20 reflects the access authentication method in the entrant table (S64). And, that the access authentication method is registered as card authentication is transmitted to the smart phone 1 of the corresponding person (S65).

Next, the entrant tags the card for access authentication to the door lock 10 (S66), and accordingly, the identification value of the card is stored in the door lock 10 (S67). Then, the visitor inputs a card registration request to the door lock 10, which can be performed by entering a preset keypad number to enter the card registration mode. At this time, it can be set to input the phone number of the person entering the room together.

Next, a card identification value registration request is transmitted to the control server 20 together with a phone number (S68), for this, the control unit 14 causes the wireless communication unit 11 in the inactive state to be switched to the active state.

As the control server 20 receives the card identification value and phone number from the door lock 10, verifies the transmitted visitor phone number from the visitor table, and then reflects the card identification value to the visitor table (S69).

Thereafter, the synchronization operation is performed whenever the time set in the timer 15 arrives (S40).

8 is a signal flow diagram illustrating an access authentication information input method of a password access authentication method.

For reference, in FIG. 8, the process of registering new entrants (S11 to S13) of FIG. 5 and the process of authenticating entrants through information transmitted from the entrant's smartphone (S21 to S27) are omitted, and the subsequent Only the process is shown.

Referring to FIG. 8 , after the serial number generated by the control server 20 is transmitted and stored to the visitor's smartphone 1, the control server 20 inputs the access authentication information to the visitor table (S30, see FIG. 4) ) to perform the process.

Specifically, the visitor selects the access authentication method as the password input method in the access authentication application (S70). Accordingly, the application for access authentication outputs a password input screen so that the password input is performed.

After that, the password registration request is transmitted from the smart phone 1 of the visitor to the control server 20 together with the serial number and the card identification value (S72). After verifying the transmitted serial number (S73), the control server 20 reflects the access method and the transmitted password in the access table (S74).

After that, a synchronization operation is performed every time the time set in the timer 15 arrives (S40), and the password is stored in the door lock (S43). Accordingly, the occupant enters the password through the keypad to access the door. .

Although the above has been described with reference to specific embodiments of the present invention, those of ordinary skill in the art may vary the present invention within the scope without departing from the spirit and scope of the present invention described in the claims below. It will be understood that modifications and changes may be made to

1: Accessor’s smartphone 2: Manager’s smartphone
3: Card for access authentication 4: Keypad
10: door lock 11: wireless communication unit
12: data store 13: authentication information input
14: control unit 15: timer
16: power supply

Claims (10)

a wireless communication unit for transmitting and receiving authentication data for entrant authentication with the control server;
a data storage for storing authentication data received through the wireless communication unit;
an authentication information input unit for receiving input information for access authentication from a visitor; and
a control unit configured to control an opening/closing operation of the lock unit by comparing the input information input through the authentication information input unit with the authentication data of the data storage;
The control unit activates the wireless communication unit in an inactive state whenever a time set in the timer arrives, so that the authentication data of the control server is synchronized with the authentication data of the data storage, Internet of Things-based door lock.
According to claim 1, wherein the authentication information input unit,
Internet-of-things-based door lock, characterized in that it includes a tagging means for tagging a smart phone or card owned by the visitor.
According to claim 1, wherein the authentication information input unit,
Internet-of-things-based door lock, characterized in that it includes a keypad or a touch screen for entry and exit of the password.
receiving information of the person who is permitted to enter by the manager from the manager's smart phone and newly registering the information in the person's table;
authenticating the occupant through information transmitted from the entrant's smart phone;
inputting access authentication information corresponding to the registered entrant into the entrant table; and
Transmitting the data of the entrant table to the IoT-based door lock at the request of the manager or every preset time through a wireless communication network, and synchronizing the data of the entrant table and the door lock; How to enter access authentication information.
5. The method of claim 4, wherein the data of the entrant table,
An access authentication information input method of an Internet of Things-based door lock, characterized in that it includes a list of entrants allowed to enter, contact information for each entrant, an access authentication method, and access authentication information for each entrant.
The method of claim 4, wherein the step of authenticating the entrant comprises:
generating an authentication number corresponding to the registered visitor;
transmitting the authentication number and a request for installation of an application for access authentication to the smart phone of the visitor; and
The step of verifying the information of the entrant from the entrant table as the application installation completion information is received from the entrant's smartphone, generating a serial number and transmitting the information to the entrant's terminal; How to input access authentication information of the door lock.
7. The method of claim 6,
The step of inputting the access authentication information into the entrant table comprises:
generating an authentication key in response to a request for generating an authentication key from the user's smartphone along with the serial number, and reflecting the generated authentication key in the visitor table; and
Transmitting the authentication key to the smart phone of the visitor;
7. The method of claim 6,
The step of inputting the access authentication information into the entrant table comprises:
receiving a card registration request from the smart phone of the visitor along with the identification value of the card and the serial number collected by the smart phone of the visitor; and
The step of reflecting the identification value of the card to the entry table; characterized in that it comprises, the access authentication information input method of the IoT-based door lock.
7. The method of claim 6,
The step of inputting the access authentication information into the entrant table comprises:
receiving a card registration request along with the serial number from the smart phone of the visitor and reflecting the access authentication method in the visitor table;
receiving the identification value of the card collected by the tagging means of the door lock from the door lock together with the phone number of the person entering the door; and
After verifying the occupant through the occupant's phone number, reflecting the identification value of the card in the entrant table;
7. The method of claim 6,
The step of inputting the access authentication information into the entrant table comprises:
receiving a password registration request input by a user to the smart phone of the visitor from the smart phone of the visitor together with the serial number; and
and reflecting the password in the entry/exit table.

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