IoT doorlock controller attached to doorlock and IoT doorlock control method using the same

Abstract

To provide a door lock controller which is easy to newly install, inexpensive, and easy to maintain.SOLUTION: According to an aspect of the present invention, there is provided an IoT doorlock controller attachable to a doorlock, the IoT doorlock controller including a proximity sensor configured to detect a person, a proximity sensor signal reception unit configured to receive a detection signal from the proximity sensor and transmit the detection signal to a battery unit, and the battery unit configured to turn on a switching circuit and transmit a control signal to an authentication signal reception unit when the detection signal is received. An authentication signal reception unit configured to transmit a control signal to a card activation unit when authentication information (fingerprint or face recognition information) is received from an authentication device such as a fingerprint or face recognition device, a card information activation unit configured to receive the control signal, be activated, and transmit pre-stored card information to a door lock, and a door lock module configured to receive the card information, compare the card information with the pre-stored card information, and unlock the door when the card information matches the pre-stored card information.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present invention relates to an activation module installed inside a door lock module that is activated only when a person approaches the door lock, receives door lock module authentication information and card information through the activation module, and transmits the card information to the door lock to control the door lock. [Background technology]

[0002] Prior art related to the present invention is disclosed in Korean Patent Registration No. 10-2328231 (published November 30, 2021). Figure 1 is a block diagram showing a conventional Internet of Things (IoT)-based door lock and its access authentication information input system. As shown in Figure 1, the conventional Internet of Things-based door lock and its access authentication information input system include a control server 20 connected via a network. The door lock 10 is configured to open the door after inputting access authentication information for a user's entry or exit by comparing the input information with authentication data stored internally. The door lock 10 is configured to wirelessly communicate with the control server 20 and thereby receive authentication data required for access authentication from the control server 20. The control server 20 is connected online to a smartphone 1 owned by a user or a smartphone 2 owned by an administrator, and is configured to transmit and receive information required for access authentication to and from these devices and store various data required for authentication.

[0003] Other conventional technologies control the door lock by receiving intercom information through a wall pad installed in the home, by authenticating with a password or card, or by authenticating with an authentication device installed in the door lock and then controlling the door lock. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Republic of Korea Patent No. 10-2328231 (Announced on November 30, 2021) Summary of the Invention [Problem to be solved by the invention]

[0005] The above-described conventional technologies have problems in that they require manual operation by a person or the linking of components from various manufacturers, limiting consumer choice. Furthermore, they have weak security due to card loss or password exposure, are generally expensive, and require replacement of some devices during installation, resulting in high installation costs. The present invention aims to provide a door lock controller that is easy to install, inexpensive, and easy to maintain. It also aims to provide a door lock controller with enhanced security. [Means for solving the problem]

[0006] The present invention, which has the above-mentioned objectives, is an IoT door lock controller attached to a door lock, and is characterized by comprising: a proximity sensor that detects a person and transmits a detection signal to a signal receiving unit of the proximity sensor; a proximity sensor signal receiving unit that receives a detection signal from the proximity sensor and transmits the received detection signal to a battery unit; a battery unit that turns on a switching circuit and transmits a control signal 1 to an authentication signal receiving unit upon receiving a detection signal from the proximity sensor signal receiving unit; an authentication signal receiving unit that is activated upon receiving the control signal 1 from the battery unit and transmits a control signal 2 to a card activation unit upon receiving authentication information (fingerprint, face recognition information) from an authentication device such as a fingerprint or face recognition unit; a card information activation unit that is activated upon receiving the control signal 2 from the authentication signal receiving unit and transmits previously stored card information to the door lock; and a door lock module that receives card information from the card information activation unit, compares it with previously stored card information, and unlocks the door if it matches. [Effects of the Invention]

[0007] The present invention, the door lock-attached IoT door lock controller and the IoT door lock control method using the same configured as described above, has the advantage of efficiently linking an external authentication device to a door lock with a door lock proximity sensor, thereby strengthening security in two stages. Furthermore, the present invention has the advantage that the external authentication device to the door lock can be applied to products of any manufacturer, not just those of a specific manufacturer. Furthermore, the present invention has the advantage of easily strengthening security for access control without complex installation or replacement. Furthermore, the system is activated only when the detection sensor detects a person, resulting in low power consumption. [Brief explanation of the drawings]

[0008] [Figure 1] FIG. 1 is a block diagram of a conventional Internet of Things-based door lock and its access authentication information input system. [Figure 2] FIG. 1 is a block diagram of an IoT door lock controller attached to a door lock according to the present invention. [Figure 3] FIG. 1 is a perspective view showing the configuration of an IoT door lock controller attached to a door lock according to the present invention. [Figure 4] FIG. 1 is a perspective view showing the state in which the door lock-attached IoT door lock controller of the present invention is attached to an existing digital door lock. [Figure 5] 1 is a flowchart illustrating a control method for a door lock-attached IoT door lock according to the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0009] The present invention, which has the above-mentioned object, an IoT door lock controller attached to a door lock and an IoT door lock control method using the same will be described below with reference to FIGS. 2 to 5.

[0010] 2 is a block diagram of an IoT door lock controller attached to a door lock according to the present invention. As shown in FIG. 2, the IoT door lock controller 100 attached to a door lock according to the present invention includes a proximity sensor 110 that detects a person and transmits a detection signal to a proximity sensor signal receiver, a proximity sensor signal receiver 120 that receives a detection signal from the proximity sensor and transmits the received detection signal to a battery unit, a battery unit 130 that turns on a switching circuit and transmits a control signal 1 to an authentication signal receiver upon receiving a detection signal from the proximity sensor signal receiver, an authentication signal receiver 140 that is activated upon receiving control signal 1 from the battery unit and transmits a control signal 2 to a card activation unit upon receiving authentication information (fingerprint or face recognition information) from an authentication device such as a fingerprint or face recognition device, a card information activation unit 150 that is activated upon receiving control signal 2 from the authentication signal receiver and transmits previously stored card secret information to the door lock, and a door lock 160 that receives card secret information from the card information activation unit, compares it with the previously stored card secret information, and controls the door to unlock if the information matches.

[0011] 3 is a perspective view of the configuration of an IoT door lock controller attached to a door lock according to the present invention. As shown in FIG. 3, the IoT door lock controller 100 attached to a door lock according to the present invention is characterized by comprising a rectangular yet flat front buddy unit 180, a card information activation unit 150 configured inside one side of the front buddy unit and storing card information, a proximity sensor 110 configured on the other side of the front buddy unit adjacent to the card information activation unit, an authentication signal receiving unit 140 configured inside one upper corner of the front buddy unit, a square box-shaped battery unit 130 configured integrally on the rear side of the front buddy unit, and a neodymium magnet unit 170 and a USB charging port configured on the rear side of the battery unit.

[0012] 4 is a perspective view showing the configuration of an IoT door lock controller attached to a door lock of the present invention attached to an existing digital door lock. As shown in FIG. 4, when the IoT door lock controller attached to a door lock of the present invention is attached to an existing digital door lock, the device includes a keypad unit 300 on the front, a door lock module unit 200 that inputs password information for the door lock and compares it with previously stored password information and, if it matches, transmits authentication information to the lock unit to control the door to be unlocked, an IoT door lock controller 100 attached to the bottom of the door lock module unit, and a rotating bar 400 that receives a signal from a button unit attached to the rear of the door lock module unit and rotates to open the door when the lock is unlocked.

[0013] 5 is a control flowchart for the IoT door lock control method attached to a door lock of the present invention. As shown in FIG. 5, the IoT door lock control method attached to a door lock of the present invention includes step S11 of registering and storing card secret information in a card information activation unit and the door lock, step S12 of using a proximity sensor to detect the approach of a person and transferring the detection information to a battery unit, step S13 of the battery unit turning on a switch that drives the authentication signal receiving unit to supply power, step S14 of activating the authentication signal receiving unit upon receiving power supply, step S15 of the authentication signal receiving unit receiving authentication information from the authentication device and transferring the authentication information to the card information activation unit, step S16 of the card information activation unit transferring the previously stored card secret information to the door lock, and step S17 of the door lock comparing the received card secret information with the previously stored card secret information and unlocking the door lock if they match. In addition, in step S15, the authentication information receiving unit stores authentication information of registered visitors who are permitted to enter and exit, and when authentication information is received from the authentication device, it compares it with the stored authentication information, and if they match, it can transfer the stored card secret information to the card information activation unit. In addition, the authentication device in step S15 is characterized in that it is an authentication device that can perform fingerprint recognition or face recognition. [Explanation of symbols]

[0014] 100...Door lock attached IoT door lock controller 110...Proximity sensor 120... Proximity sensor signal receiving unit 130...Battery section 140...Authentication signal receiving unit 150...Card Information Activation Department 160...Door lock module

Claims

1. An IoT door lock controller attached to a door lock that can effectively link an authentication device outside the door lock with a door lock proximity sensor to enhance security. The door lock attached IoT door lock controller comprises: a proximity sensor 110 that detects a person and transfers a detection signal to a proximity sensor signal receiving unit; a proximity sensor signal receiving unit 120 that receives a sensing signal from the proximity sensor and transfers the received sensing signal to a battery unit; a battery unit 130 that turns on a switching circuit and transfers a control signal 1 to the authentication signal receiving unit when receiving a sensing signal from the proximity sensor signal receiving unit; an authentication signal receiving unit 140 that is activated by receiving a control signal 1 from the battery unit and that transfers a control signal 2 to the card activation unit when authentication information is received from an authentication device such as a fingerprint or face recognition device; a card information activation unit 150 that is activated by receiving a control signal 2 from the authentication signal receiving unit and transfers the stored card secret information to the door lock; and a door lock (160) that receives card secret information from the card information activation unit, compares it with previously stored card secret information, and controls to unlock the door if the card secret information matches.

2. The authentication device The door lock attached IoT door lock controller according to claim 1, wherein fingerprint or face information can be transferred.

3. In the door lock attached IoT door lock controller, an authentication device outside the door lock can be efficiently linked with a door lock proximity sensor to enhance security. The door lock attached IoT door lock controller comprises: a front buddy portion 180 having a rectangular shape but a flat form; a card information activation unit 150 configured inside one side of the front buddy unit and storing card information; a proximity sensor 110 configured on the other side of the front buddy portion and adjacent to the card information activation portion; a proximity sensor signal receiving unit 120 mounted inside the front body unit adjacent to the proximity sensor to receive a signal; an authentication signal receiving unit 140 configured inside a corner at the top end of one side of the front body part; The door lock attached IoT door lock controller is characterized by comprising a square box-shaped battery unit 130 integrally formed on the rear side of the front body unit.

4. The door lock attached IoT door lock controller comprises: The door lock attached type IoT door lock controller according to claim 3, further comprising a magnet unit (170) formed on a rear surface of the battery unit.

5. The door lock attached IoT door lock controller comprises: The door lock attached IoT door lock controller according to claim 3, further comprising a USB charging port on a side of the front buddy part.

6. The magnet portion is The door lock attached IoT door lock controller according to claim 4, wherein the door lock is a neodymium magnet.

7. In a digital door lock system equipped with an IoT door lock controller that strengthens security in two stages, The digital door lock system equipped with the door lock-attached IoT door lock controller is a door lock module unit 200 having a keypad unit 300 on the front side, which inputs password information for a door lock, compares it with previously stored password information, and if the password information matches, transfers authentication information to a lock unit to control the door to be unlocked; An IoT door lock controller 100 attached to a door lock is attached to the lower part of the door lock module and detects when a person approaches, receives authentication information from an authentication device, and unlocks the door lock; A digital door lock system with an IoT door lock controller attached to a door lock, characterized in that the system is configured with a rotary bar (400) that operates to unlock the door by rotating when the door lock receives a signal from a button attached to the rear of the door lock module or when the door lock module receives authentication information, thereby unlocking the door.

8. The door lock attached IoT door lock controller 100 includes: a proximity sensor 110 that detects a person and transfers a detection signal to a proximity sensor signal receiving unit; a proximity sensor signal receiving unit 120 that receives a sensing signal from the proximity sensor and transfers the received sensing signal to a battery unit; a battery unit 130 that turns on a switching circuit and transfers a control signal 1 to the authentication signal receiving unit when receiving a sensing signal from the proximity sensor signal receiving unit; an authentication signal receiving unit 140 that is activated by receiving a control signal 1 from the battery unit and that transfers a control signal 2 to the card activation unit when authentication information is received from an authentication device such as a fingerprint or face recognition device; a card information activation unit 150 that is activated by receiving a control signal 2 from the authentication signal receiving unit and transfers the stored card secret information to the door lock; and a door lock (160) that receives card secret information from the card information activation unit, compares it with previously stored card secret information, and controls to unlock the door if the card secret information matches.

9. 10. The digital door lock system according to claim 8, further comprising a magnet unit (170) arranged on a rear surface of the battery unit (130).

10. The door lock attached IoT door lock controller comprises:

9. The digital door lock system with the door lock-attached IoT door lock controller according to claim 8, further comprising a USB charging port on a side of the front buddy unit.

11. A door lock-attached IoT door lock control method that can effectively link an authentication device outside the door lock with a door lock proximity sensor to enhance security, The door lock attached IoT door lock control method includes: Step S11: registering and storing card secret information in the card information activation unit and the door lock; Step S12 in which the proximity sensor detects the approach of a person and transfers the detection information to the battery unit; Step S13: turning on a switch that drives the battery unit to supply power to the authentication signal receiving unit; Step S14: activating the authentication signal receiving unit that has received power; Step S15 in which the authentication signal receiving unit receives authentication information from the authentication device and transfers the authentication information to the card information activation unit; Step S16: the card information activation unit transfers the stored card secret information to the door lock; The door lock control method for IoT door locks includes step S17, in which the door lock compares the received card secret information with the previously stored card secret information and unlocks the door lock if they match.

12. The authentication information in step S15 is The door lock-attached IoT door lock control method according to claim 11, wherein the information is fingerprint or face recognition information.

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