KR100899446B1 - Electronic door lock system and Control method thereof - Google Patents

Abstract

The present invention relates to an electronic door lock system and a method of controlling the same, which are mounted on a door and perform locking and releasing operations by using a latch installed at a predetermined position of a door frame corresponding to the door. In the present invention, the control unit body is installed on the inner side of the door by including the conventional unlocking operation portion of the door outer side, and the position of the dead bolt is installed at a position different from the handle of the door. When the entrance is detected, the controller main body receives a key signal which is a unique identification code from an external portable RF key, and when the unique identification password matches, the control unit main body releases the lock. This prevents the door from being tampered with, increases its safety, prevents the user from unlocking due to the leak of a user's unique identification code or the application of an electric high pressure shock (ESD) including static electricity, and estimates the position of the dead bolt on the inner side. This can make it difficult to break the locking device due to forced space separation.

Door lock, RF key, entrance detection, exit detection, lockout

Description

Electronic door lock system and control method thereof

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door lock system, and more particularly, to an electronic door lock system and a control method thereof, which are installed at a door and facilitate access.

In general, as the interest in security to protect property and personal information and to prevent unauthorized intrusion by outsiders is increasing, door lock systems for restricting the access of outsiders to homes, apartments, businesses, and government agencies are widely installed. Such door lock systems are being manufactured in various forms, ranging from simple low-cost locks to expensive mechanical devices with complex mechanical mechanisms, and mechanical and electronic devices that combine electronic technology with mechanical mechanisms. BACKGROUND Mechanical and electronic door locks using a keypad input method, a magnetic card method, a radio frequency (RF) card method, an integrated circuit (IC) card method, and the like are widely used in mechanical and electronic devices.

A conventional electronic door lock device, which is commonly used in homes and offices, will be described with reference to FIG. 1 as follows.

1 is an exploded perspective view of a conventional electronic door locking device.

Referring to FIG. 1, a conventional electronic door locking device is installed on an inner side of a door to control an electrical signal, and a key input device or a magnetic sensor reader installed on an outer side of the door as a means for unlocking. It includes a unlocking operation unit 20 having a back, and the control unit 1 has a dead bolt (2) and mortis (3), the dead bolt (2) is inserted or inserted into the latch 50 is installed in the door frame or It is inserted to lock and unlock.

In addition, the conventional electronic door lock device is a product having a passive RFID Tag (including electronic money or traffic card) reader instead of a key input device or a magnetic sensor reader as a means of unlocking the unlocking operation unit 20 installed on the outer surface of the door Is also developed.

By the way, the conventional electronic door locking device is configured to connect the release control unit 20 installed on the outer surface of the door 10 and the control unit 1 installed on the inner surface of the door to secure each other. If the unlocking operation unit 20 is forcibly removed from the door, the control unit 1 installed on the inner side is separated from the door and loses its role as a locking device.

In addition, in order to install the locking device, a large hole 11 penetrating through the inner and outer surfaces of the door must be drilled, so that the door is considerably damaged, and when the door is replaced with another locking device, the door needs to be replaced or repaired by another means. Have.

In addition, since the operation unit 20 for unlocking a key input device or an RFID tag reader exists on the outer side of the door, static electricity is leaked to the user's password number or the outer side unlocking operation unit 20 through CCTV shooting or direct unlocking witness. Due to the application of an electrical high pressure shock (ESD), including the locking function is released, there is a problem that loses the role as a locking device.

In addition, the unauthorized intruder can accurately determine the position of the dead bolt (2) of the inner surface control unit 1, and can be easily opened the door by forcibly spaced the locking point of the dead bolt (2) with a tool such as a claw hammer. Have

In addition, there is a hassle of having to enter a password number or bring a pre-registered RFID tag close to each other when releasing the lock to enter the room from the outside. There is an inconvenience in using the unlock button of) or by operating the unlock knob.

The technical problem to be achieved by the present invention is to solve the conventional problems, by fixing the control unit using only the inner surface of the door to prevent damage to the door, to increase the safety, including the user's unique identification code leakage or static electricity The lock is prevented from being released due to the application of the high pressure shock (ESD), and the position of the dead bolt on the inner side cannot be estimated, thereby making it difficult to forcibly break the lock by the door separation.

Electronic door lock system according to one feature of the present invention for solving this problem,

An electronic door lock system mounted on a door and configured to lock and release by using a latch installed at a predetermined position of a door frame corresponding to the door.

A room detection sensor for detecting proximity to a door at a predetermined distance from the outside;

An RF antenna for receiving an encryption of an RF key carried by an accessor;

Exit detection sensor for detecting the proximity to the door at a predetermined distance therein;

A deadbolt inserted or inserted into the latch;

Installed on the inner side of the door so as to correspond to the clasp, and when the entrance is detected by the entrance detection sensor or the exit is detected by the exit detection sensor, by receiving the password through the RF antenna and the pre-stored password and And a controller body for determining whether to match and inserting or removing the dead bolt from the latch when it matches.

The control unit body,

A power supply unit supplying power to each unit;

A memory for storing a predetermined password;

A driving unit which drives the insert bolt to be inserted or inserted;

If the entrance is detected by the entrance detection sensor or the exit is detected by the exit detection sensor, receiving the password through the RF antenna to determine whether it matches the password previously stored in the memory, and if the drive unit And a control unit for controlling the insertion or insertion of the dead bolt from the latch.

Electronic door lock system according to another feature of the present invention for solving this problem,

An electronic door lock system mounted on a door and configured to lock and release by using a latch installed at a predetermined position of a door frame corresponding to the door.

An RF antenna for receiving an encryption of an RF key carried by an accessor;

A deadbolt inserted or inserted into the latch;

The control unit is installed on the inner side of the door so as to correspond to the clasp, and receives a password through the RF antenna to determine whether it matches the password stored therein, and if it matches, the control unit main body to remove the dead bolt from the latch Include.

The control unit body,

A power supply unit supplying power to each unit;

A memory for storing a predetermined password;

A driving unit which drives the insert bolt to be inserted or inserted;

Receiving a password through the RF antenna to determine whether it matches the password stored in the memory, and if the match includes a control unit for controlling the drive unit to insert a dead bolt from the latch.

The control unit body is fixed to the inner surface of the door by a predetermined number of screws.

The control method of the electronic door lock system according to the characteristics of the present invention for solving this problem,

In the control method of the electronic door lock system mounted on the door, the locking and releasing operation using a latch installed at a predetermined position of the door frame corresponding to the door,

Receiving a signal of a room detection sensor at a predetermined distance;

Receiving a key signal that is a unique identification password when a room entrance is detected;

Determining whether the unique identification passwords match;

And if the unique identification password matches, unlocking the lock.

The method,

Receiving a signal of a departure sensor at a predetermined distance;

If the departure is detected, further comprising the step of releasing the lock.

The method,

Receiving a signal of a departure sensor at a predetermined distance;

Receiving a key signal that is a unique identification password when the departure is detected;

Determining whether the unique identification passwords match;

If the unique identification password matches, further comprising the step of releasing the lock.

In the embodiment of the present invention by providing a release function for authenticating the RF key in the control unit main body by fixing the control unit main body using only the inner surface of the door of the inner surface control unit by the force release of the conventional unlocking operation unit installed on the outer surface It prevents the separation and enhances the safety of the locking device. At the same time, there is no need for the hole to be penetrated significantly for the installation of the outer side unlocking control panel, thereby minimizing the damage of the door. In addition, by solving the problem that the user's unique identification code leakage or the release of the electrical high-pressure shock (ESD) including static electricity to the unlocking operation on the outer side to solve the problem to maximize the safety further, and estimate the dead bolt position of the inner side control This can make it difficult to damage the locking device due to the force of door separation. The combined use of the RF antenna entrance sensor may be installed in the door handle of the outer side of the door or by installing a small hole in the outer side of the door, regardless of the fixed structure and position of the controller body. In addition, instead of a key input device or a passive RFID tag reader as a means for unlocking the outer surface unlocking control unit, a room detection sensor and at least one RF key are provided to the entrance detection sensor detecting unit installed on the outer surface to detect a human body or an object. Is close to a predetermined distance, the inner side control unit receives a unique identification code of the RF key at a predetermined receiving distance from the entrance sensor as a high frequency signal and checks whether it matches the pre-stored unique identification code, and locks the device. As an automatic RF key that is automatically released, it is convenient for the user without any troublesome operation such as manual operation of a conventional key input device or close proximity of an electronic tag, and is a miniaturized and inexpensive electronic RF key due to the development of recent RF and semiconductor technologies. Significant cost savings by replacing the external side of the door To, and can be provided with a departure sensor control unit to the inner surface of the door to give convenience to be a human body or an object when a given distance of the proximity sensor departure lock is automatically released.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

Throughout the specification, when a part is said to "include" a certain component, it means that it can further include other components, without excluding other components unless specifically stated otherwise. In addition, the terms “… unit”, “… unit”, “module”, etc. described in the specification mean a unit that processes at least one function or operation, which may be implemented by hardware or software or a combination of hardware and software. have.

2 is a block diagram of an electronic door lock system according to an embodiment of the present invention.

2, the electronic door lock system according to an embodiment of the present invention,

The entrance detection sensor 40, the RF antenna 42, the exit detection sensor 33, the dead bolt 32, the control unit body 30 is included.

The entrance sensor 40 detects the proximity to the door from the outside and uses infrared light. The RF antenna 42 receives the cipher of the RF key carried by the visitor and uses high frequency. The exit detection sensor 33 detects the proximity to the door from the inside, and uses infrared rays.

Dead bolt 32 is mounted to the control unit body 30 in a structure that is inserted into or inserted into the latch (50). The controller body 30 is installed on the inner side of the door 10 to correspond to the clasp 50, and when the entrance is detected by the entrance sensor 40, the password is input through the RF antenna 42. Receives and determines whether it matches the password stored in advance, and if it matches, the dead bolt 32 is to be removed from the latch (50).

The control unit main body has a memory 35 for storing a predetermined password, a driving unit 37 for driving the dead bolt to be inserted or inserted, a power supply unit 38 for supplying power to each unit, and entering the room by the entrance detection sensor. When detected, the password is received through the RF antenna 42 to determine whether the password matches the pre-stored password in the memory 35, and if it is matched, the driving unit is controlled to insert or remove a dead bolt from the latch. The control unit 36 is included.

3 is an exploded perspective view of the electronic door lock system according to an embodiment of the present invention.

Referring to FIG. 3, the control unit body 30 is fixed to the inner side surface of the door 10 through four screws 61 to 64, and does not have any marking on the outside and does not need a large hole.

This prevents the controller body from being forcibly removed from the door 10 at the outer side, and minimizes damage to the door 10.

In addition, it is possible to further maximize the safety by solving the problem that the lock is released due to the user's unique identification code leakage or the application of electric high-pressure shock (ESD), including static electricity. In addition, since the position of the dead bolt 32 of the inner side control unit body 30 cannot be estimated, it is difficult to forcibly damage the locking device due to the spaced door.

In addition, the entrance detection sensor 40 having a dual-use RF antenna 42 may be installed by drilling a small hole in the outer surface of the door or, if necessary, installed in the door handle of the outer surface of the door 10.

At this time, when a human body or an object approaches the entrance detection sensor 40 installed on the outer surface with at least one RF key 60 provided by an accessor at a predetermined distance, the inner side control unit body 30 enters the entrance detection sensor 40. Receives the unique identification code of the RF key 60 at a predetermined receiving distance from the radio frequency at high frequency to check whether it matches the previously stored unique identification code, and if it matches, inserts or inserts the bolt 32 from the clasp 50. It can be convenient to the user without any troublesome operation such as manual operation of the key input device or bringing the RFID tag close. At the same time, a significant cost reduction effect is generated by using a miniaturized and inexpensive electronic RF key 60 due to the development of recent RF technology and semiconductor technology instead of the conventional door outer surface unlocking operation part, and the inner surface control body 30 of the door. When the human body or an object is provided with the exit sensor 33 in close proximity to the exit sensor 33, the lock can be released to give convenience.

FIG. 4 is a view illustrating a state in which the entrance sensor 40 and the RF antenna 42 are mounted on the handle 12, and the detection unit 41 of the entrance sensor 40 may be installed on the front surface. And if necessary, the emergency power supply terminal 43 may be provided.

In addition, the entrance detection sensor 40 may be installed at various positions, and may be installed or separately installed with the RF antenna 42 for receiving high frequency.

 Figure 5 is an external view showing a door equipped with a room sensor according to an embodiment of the present invention.

Referring to FIG. 5, when the door is viewed from the outside of the door, the entrance sensor 40 is installed at the top of the door handle 12, and the control unit 30 and the dead bolt 32 are even higher. Located in

Therefore, since the position of the dead bolt 32 is not known at all, it is difficult to forcibly unlock the door.

6 is a view showing a state in which the entrance sensor is mounted on the door handle 12, the appearance looks simpler and cleaner. In this case, the position of the dead bolt is different from that of the handle, thereby preventing the forced release.

When leaving the interior of the door 10 to the outside to detect only the detection signal of the exit detection sensor 33 (limited to the non-contact sensor) at a predetermined distance irrespective of the authentication of the RF key 60 to release the locking device, After the detection signal of the exit sensor 33 (limited to the non-contact sensor) at a predetermined distance, the authentication procedure of the RF key 60 must be completed, so that the locking device is automatically released or both of the above release modes are provided. You can also let them choose one.

In addition, the entrance detection sensor 40 is not limited to the non-contact detection sensor, it is possible to use a push sensor or touch sensor of the button and the switch sensor using the touch or push or pull or rotational force of the door handle. In the case of using the non-contact detection sensor as the entrance 40 or the exit detection sensor 33, the infrared rays are radiated to the human body (or an object) using infrared rays to detect the reflected infrared rays by using a photo diode or photo transistor. Photoelectric sensor, capacitive sensor to detect the change of capacitance between human body (or object) and earth, pyroelectric sensor to detect near infrared rays emitted from human body, One of a high frequency oscillating inductive sensor using an eddy current and an ultra-soinc sensor using ultrasonic waves may be used.

7 is a view showing a state in which the entrance sensor is mounted when the inner surface control unit main body is fixed by using a screw head on the outer surface of the door.

Referring to FIG. 7, the screw 10 has an entrance sensor detecting unit 41, an RF antenna 42, and an emergency power supply terminal 43 on the head of the screw 70 on the outer surface of the door 10. The body is fixed to the inner control unit body 30 using the body. Here, the entrance sensor 40 is integrated with the entrance sensor detection unit 41 is represented by only one reference numeral.

If necessary, in such a structure, the door 10 has an entrance sensor 40, an RF antenna 42, an emergency power supply terminal 43 on the outer surface, and the inner control body 30 uses only the inner surface. You can also fix it separately.

In addition, the entrance detection sensor 40, the RF antenna 42, the emergency power supply terminal 43 may be disposed on the outer side door handle, and the inner control unit 30 may be fixed using only the inner side.

In addition to this structure, the room sensor may be installed in various positions and in various ways.

8 is a flowchart illustrating an operation in which the controller body receives and operates a signal of an RF key.

Referring to FIG. 8, first, a signal approaching the human body is detected and output from the entrance or exit detection sensors 33 and 40 (S101).

Then, the controller 36 of the controller main body 30 determines whether the human body approaches (S102).

When it is detected that the human body has approached, the controller 36 determines whether there is a surrounding RF key 60 (S103, S104).

If the RF key 60 exists, the control unit 36 requests a key signal which is a unique identification password (S105), and receives a key signal which is a unique identification password from the RF key 60 (S106).

Then, the controller 36 determines whether the unique identification password stored in advance in the memory 35 and the received unique identification password match (S107). If the unique identification password matches, the driving unit 37 drives the dead bolt. Remove the lock (32) from the latch (50).

In this way, it is possible to unlock the device regardless of whether the password is matched.

When the lock is released, a predetermined time passes after the entrance or exit operation is completed, or the RF key 60 is out of a predetermined reception distance, or the exit detection sensor detects a signal after the entrance is completed or exits from the entrance. After the entrance sensor detects a signal, the control unit 36 drives the driving unit 37 so that the dead bolt 32 is inserted into the latch 50 to be locked.

The embodiments of the present invention described above are not implemented only through the apparatus and the method, but may be implemented through a program for realizing a function corresponding to the configuration of the embodiment of the present invention or a recording medium on which the program is recorded. Implementation may be easily implemented by those skilled in the art from the description of the above-described embodiments.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

1 is a perspective view of a conventional electronic door locking device.

2 is a block diagram of an electronic door lock system according to an embodiment of the present invention.

Figure 3 is a perspective view of an embodiment of the electronic door lock system according to an embodiment of the present invention.

4 is a view showing an example of a room detection sensor according to an embodiment of the present invention.

Figure 5 is an embodiment of the electronic door lock system equipped with a room sensor according to an embodiment of the present invention the door.

6 is a view showing a state in which the entrance sensor in accordance with an embodiment of the present invention mounted on the door outer surface handle.

7 is an embodiment of the entrance detection sensor when the fixed structure of the screw head using the inner surface control unit on the outer surface of the door according to an embodiment of the present invention.

8 is an operation flowchart of a control method of the electronic door lock system according to an embodiment of the present invention.

Claims (15)

An electronic door lock system mounted on a door and configured to lock and release by using a latch installed at a predetermined position of a door frame corresponding to the door. A room detection sensor 40 for detecting proximity to a door at a predetermined distance from the outside; An RF antenna 42 for receiving an encryption of an RF key carried by an accessor; Exit detection sensor 33 for detecting the proximity to the door at a predetermined distance from the inside; A dead bolt 32 inserted or inserted into the latch; Is installed on the inner side of the door so as to correspond to the clasp, and when entering or exit is detected by the entrance detection sensor or the exit detection sensor, the password is entered through the RF antenna from the RF key carried by the visitor And a control unit 30 for receiving and determining whether or not to match a password stored in advance, and inserting or inserting the dead bolt from the latch in case of matching. The control unit body, A power supply unit 38 for supplying power to each unit; A memory 35 for storing a predetermined password; A driver 37 driving the insert bolt to insert or insert the insert bolt; When entering or leaving the room is detected by the entrance detection sensor or the exit detection sensor at a predetermined distance, a password is received from the RF key carried by the visitor through the RF antenna to determine whether it matches the password previously stored in the memory. And a control unit (36) for controlling the drive unit to match the insertion or insertion of the dead bolt from the latch when it matches. delete The method of claim 1, The installation position of the control unit body is different from the height of the handle of the door, or the electronic door lock system, characterized in that installed using only the inner surface of the door. The method of claim 1, Electronic door lock system, characterized in that provided with the RF antenna or the emergency power supply terminal to the entrance sensor. The method of claim 1, The entrance detection sensor, An electronic door lock system using at least one of a push or touch switch sensor of a button, a switch sensor using a touch or push or pull or rotational force of a door handle, and a non-contact detection sensor of a human body or an object. The method of claim 4, wherein Further provided with a screw on the outer surface of the door, Electronic door lock system, characterized in that the screw head is provided with a chamber sensor or RF antenna or emergency power supply terminal, or fixed to the control unit body inside the door using the body of the screw. The method of claim 4, wherein The door detection sensor or the RF antenna or emergency power supply terminal is installed in the handle of the door, or the electronic control unit, characterized in that the control unit body is fixed using only the inner surface of the door. An electronic door lock system mounted on a door and configured to lock and release by using a latch installed at a predetermined position of a door frame corresponding to the door. An RF antenna 42 for receiving an encryption of an RF key carried by an accessor; A dead bolt 32 inserted or inserted into the latch; It is installed on the inner side of the door so as to correspond to the clasp, and receives the password through the RF antenna to determine whether it matches the pre-stored password, and if it is matched so that the dead bolt is inserted or removed from the clasp It includes a control unit body 30, The control unit body, A power supply unit 38 for supplying power to each unit; A memory 35 for storing a predetermined password; A driver 37 driving the insert bolt to insert or insert the insert bolt; An electronic door lock including a control unit 36 for receiving a password through the RF antenna to determine whether the password matches the password stored in the memory, and controlling the driving unit when the password is matched to insert or remove a dead bolt from the latch. system. delete The method of claim 8, The control unit body is fixed to the inner surface of the door by a predetermined number of screws, or the installation position of the control unit body electronic door lock system, characterized in that different from the position of the handle of the door. The method according to claim 1 or 8, When the lock device is released, a predetermined time passes after the entrance or exit operation is completed, the RF key is out of a predetermined reception distance, or the exit detection sensor detects a signal after completion of entrance, or enters the entrance detection after completion. When the sensor detects a signal, the control unit drives the drive unit so that the dead bolt is inserted into the latch (50) to lock the electronic door system. In the control method of the electronic door lock system mounted on the door, the locking and releasing operation using a latch installed at a predetermined position of the door frame corresponding to the door, Receiving a signal from the entrance sensor 40 at a predetermined distance; If the entrance is detected, the control unit 30 receives a key signal which is a unique identification code; Determining whether the unique identification passwords match; If the unique identification password is matched, the control unit body 30 includes the step of releasing the locking device, Receiving a signal of a departure sensor at a predetermined distance; If the departure is detected, further comprising the step of releasing the lock, The control unit body is fixed to the inner surface of the door by a predetermined number of screws, or the installation position of the control unit body control method of the electronic door lock system, characterized in that different from the position of the handle of the door. delete In the control method of the electronic door lock system mounted on the door, the locking and releasing operation using a latch installed at a predetermined position of the door frame corresponding to the door, Receiving a signal from the entrance sensor 40 at a predetermined distance; If the entrance is detected, the control unit 30 receives a key signal which is a unique identification code; Determining whether the unique identification passwords match; If the unique identification password is matched, the control unit body 30 includes the step of releasing the locking device, Receiving a signal of a departure sensor at a predetermined distance; If a departure is detected, receiving a key signal which is a unique identification code; Determining whether the unique identification ciphers match; If the unique identification password matches, further comprising unlocking the lock, The control unit body is fixed to the inner surface of the door by a predetermined number of screws, or the installation position of the control unit body control method of the electronic door lock system, characterized in that different from the position of the handle of the door. delete

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