KR101208744B1 - Intelligent security doorlock and method for operating the same - Google Patents

Abstract

The present invention relates to an intelligent security door lock and an operation method using the same, and provides an intelligent security door lock that opens and closes a door by receiving an encrypted ID from an electronic key and authenticating user information by a wireless communication unit of an opening and closing device. The intelligent security door lock is simpler than the conventional electronic dial door lock because an electronic key transmits and receives a wireless signal by a wireless communication unit, and a user authentication procedure is performed to open and close the door.
In addition, since the intelligent security door lock undergoes a procedure of authenticating a user by receiving and decrypting an encrypted signal, security of the door lock is enhanced.

Description

INTELLIGENT SECURITY DOORLOCK AND METHOD FOR OPERATING THE SAME}

The present invention relates to an intelligent security door lock and an operating method using the same.

In general, a door lock is installed at an entrance provided to enter a building to prevent an unauthorized person from entering an interior. Typically, such door locks are provided with a key cylinder that can be combined with a key, and most of the mechanical door locks are configured to rotate only by a specific key.

However, such a mechanical door lock made of a key and a key cylinder has recently been mainly used as an electronically operated digital door lock due to problems such as inconvenience of carrying a key, risk of loss, and troublesome operation.

 The digital door lock refers to a door lock system that can recognize a password, a semiconductor chip, and a smart card instead of a key that engages with a key cylinder. They compare the input information with the information stored inside and release the lock only when they match. Typically, as the solenoid or electric motor inside the door lock is driven, a dead bolt is used to lock the door by protruding the protrusion out of the door, or by locking the protrusion into the door to release the lock.

However, these digital door locks have been exposed to artificially opening or closing due to electric shocks due to the development of theft theft, or the exposure of frequently pressed numbers is expected to be problematic.

In addition, the existing digital door lock using an electronic dial has a inconvenience in using the touch of the dial by hand every time the door is opened.

The present invention has been made to solve the above-described problems, and an object thereof is to provide a door lock with easy operation and enhanced security.

In accordance with an aspect of the present invention, an intelligent security door lock includes: an opening and closing device for controlling the door to be opened and closed; And at least one electronic key for controlling the operation of the switchgear by wireless communication with the switchgear. It includes, The opening and closing device, The locking portion for opening and closing the door; A wireless communication unit for wireless communication with the outside of the switchgear; A distance determining unit determining a distance from the at least one electronic key; And a control unit for determining the distance to the electronic key from the distance determining unit and checking the ID of the at least one electronic key when the distance is within a predetermined distance to control the lock unit to open and close the door. Characterized in that it comprises a.

In addition, the opening and closing device, the decoding unit for decrypting the encrypted signal received from the at least one electronic key; And further comprising:

Furthermore, when the ID is received from the one or more electronic keys through the wireless communication unit in response to the LF signal transmitted by transmitting the LF signal from the wireless communication unit, the one or more electronic keys are within a predetermined distance. It is characterized by judging.

In addition, the opening and closing device, the confirmation button provided to be pressed by the user; The control unit may further include accessing the at least one electronic key within a predetermined distance from the outside of the door by the distance determining unit, and when the confirmation button is pressed, the control unit controls the lock unit to open and close the door. do.

On the other hand, the opening and closing device, the directional antenna for transmitting the LF signal to the outside direction of the door; And further comprising:

And, the opening and closing device, the communication unit capable of communicating with the existing door lock; The control unit may further include controlling the opening and closing of the door lock through the communication unit when the at least one electronic key is approached within a predetermined distance from the outside of the door by the distance determination unit, and the confirmation button is pressed. It is done.

According to another aspect of the present invention, an intelligent security door lock operating method includes: a step of periodically transmitting an LF signal to an outside direction of a door by a wireless communication unit provided in an opening and closing device that controls opening and closing of the door; Determining whether at least one electronic key for controlling the operation of the switchgear by wireless communication with the switchgear approaches the switchgear within a predetermined distance; Decrypting an encrypted signal of the at least one electronic key when the at least one electronic key approaches the switchgear within a predetermined distance; And checking the signal to control opening and closing of the door; And a control unit.

As described above, according to the present invention, since the electronic key transmits and receives a wireless signal by the wireless communication unit and the user authentication procedure is performed according to the present invention, the operation procedure is simpler than the conventional electronic dial type door lock.

In addition, since the intelligent security door lock undergoes a procedure of authenticating a user by receiving and decrypting an encrypted signal, security of the door lock is enhanced.

1 is a block diagram of an intelligent security door lock according to the present invention.
2 is a block diagram of an intelligent security door lock according to the present invention.
3 is a perspective view of an intelligent security door lock according to the present invention.
4 is a perspective view of an intelligent security door lock according to the present invention.
5 is a flowchart illustrating an electronic key ID registration process of an intelligent security door lock according to the present invention.
6 is a flowchart illustrating a user authentication and door opening and closing control method of the intelligent security door lock according to the present invention.

The preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings, in which the technical parts already known will be omitted or compressed for simplicity of explanation.

<Description of Configuration>

The intelligent security door lock 10 of the present invention includes a switchgear 100 and an electronic key 200, and will be described with reference to the drawings shown in FIGS.

The opening and closing device 100 includes a locking unit 110, a wireless communication unit 120, a distance determination unit 130, a control unit 140, a decoding unit 150, a confirmation button 160, a directional antenna 170 and a communication unit ( 180) and the like.

Locking unit 110 is a locking device that can open and close the door, it is usually provided with a dead bolt that is used in the door lock, it is preferable to operate so that the locked state is automatically made when the door is closed.

The wireless communication unit 120 periodically transmits a low frequency (LF) signal to the outside of the switch 100, and in one embodiment of the present invention, it is preferable to use a low band frequency of 30kHz to 300kHz. In addition, the wireless communication unit 120 receives a wireless signal from another external wireless communication means. Meanwhile, in one embodiment of the present invention, the electronic key 200 is used as a form of an external wireless communication means, but any external wireless communication means may be applied as long as the short range communication is possible.

The distance determining unit 130 determines the mutual distance between the opening and closing device 100 and the electronic key 200 existing outside the opening and closing device 100. For example, as shown in FIG. 3, when one or more electronic keys 200 approaching the switchgear 100 within a predetermined distance receive the LF signal transmitted from the wireless communication unit 120, the wireless communication unit returns its ID. Transmit to 120. In this case, the distance determining unit 130 may recognize that the ID of the electronic key 200 received from the wireless communication unit 120 approaches one or more of the electronic keys 200 within a predetermined distance from the switching device 100. have.

When the wireless communication unit 120 receives an ID transmitted by the at least one electronic key 200 approaching the switching device 100 within a predetermined distance, the received ID is moved to the control unit 140 through the decoding unit. At this time, the controller 140 compares the user information previously stored in the controller 140 with the ID, thereby finally authenticating the user. After the authentication is completed, the control unit 140 controls the locking unit 110 to control the user holding the authenticated electronic key 200 to open the door.

The ID transmitted by the electronic key 200 according to the embodiment of the present invention is encrypted to increase security. At this time, the decryption unit 150 decrypts the encrypted ID and transmits the encrypted ID to the control unit 140, thereby helping the user authentication process of the control unit 140. On the other hand, the encrypted ID is preferably used as a form of RF (Radio Frequency) signal, which is a frequency configured from 9 kHz to thousands of GHz.

Confirmation button 160 is provided on one surface of the opening and closing device 100, it is preferable that the push button type so that the user can be operated in one touch. When the user having the electronic key 200 transmitting the authenticated ID approaches the switch 100 and presses the confirmation button 160, the control unit 140 controls the locking unit 110 to open the door. Allow.

The directional antenna 170 is a kind of wireless communication means for transmitting radio waves in one direction. In one embodiment of the present invention, the directional antenna 170 transmits the LF signal to the outside direction of the door, thereby opening and closing the device 100. The electronic key 200 approaching within a certain distance helps to recognize the LF signal.

On the other hand, since the directional antenna 170 according to an embodiment of the present invention transmits the LF signal only to the outside direction of the door, it is involved in the opening and closing process through the radio communication unit 120 and the wireless communication unit 120 of the switchgear 100. The electronic key 200 of the user may be operated only outside the door.

In one embodiment of the present invention can control the door lock 30 installed through the communication unit 180 provided with the opening and closing device 100 to perform the opening and closing of the door. Here, the existing door lock 30 is a device having an electronic keypad or key. That is, the door lock 30 is capable of receiving an electrical signal, and thus the locking unit 320 is operated to open and close the door.

Once the electronic key 200 is authenticated in the opening and closing device 100, the control unit 140 transmits an opening / closing command of the door through the communication unit 180. Thereafter, the door lock communication unit 310 controls the locking unit 320 according to the received opening and closing command to open and close the door.

<Description on how to register an electronic key>

The intelligent security door lock 10 of the present invention authenticates the electronic key 200 and registers the ID of the authenticated electronic key 200 according to the flowchart shown in FIG. 5, and is shown in FIG. It will be described with reference to, for convenience, the order will be described.

1. Electronic key ID registration request signal processing step <S501>

In this step, the control unit 140 provided in the opening and closing device 100 for controlling the opening and closing of the door processes the registration request signal for the ID of the new electronic key 200, so that the user's registration of the electronic key 200 The process of preparing to learn the ID is done.

2. LF signal sending step <S502>

In this step, the wireless communication unit 120 provided in the switching device 100 performs a process of periodically transmitting the LF signal to the outside of the door using the directional antenna 170.

3. Electronic key determination step within the authentication distance <S503>

While the LF signal is periodically transmitted in step S502, the user with the electronic key 200 is approached within a certain distance from the switchgear 100. At this time, the electronic key 200 receives the LF signal transmitted from the switchgear 100, and transmits its ID to the wireless communication unit 120 in the form of an RF signal in response thereto. Meanwhile, when the wireless communication unit 120 receives the ID from the electronic key 200, the distance determining unit 130 recognizes that the electronic key 200 has approached within a predetermined distance from the switch 100.

4. Electronic key learning step <S504>

When the electronic key 200 to be used for access is approached within a predetermined distance of the switchgear 100, an electronic key learning step is performed, and the information of the electronic key 200 is transferred to the controller 140 of the switchgear 100. It is recognized correctly. At this time, the opening and closing device 100 may be provided with a learning device for learning the electronic key 200 separately.

5. Decryption step <S505>

Since the ID of the electronic key 200 is encrypted and transmitted to the wireless communication unit 120 for security, the ID received by the wireless communication unit 120 passes through the authentication of the distance determination unit 130 to the decryption unit 150. Is moved. The decryption unit 150 decrypts the encrypted ID and transmits the decrypted information to the control unit 140.

6. Electronic key ID registration step <S506>

The controller 140 receives the decrypted information from the decoder 150 and registers the ID of the decrypted electronic key 200 by storing it on the controller 140. As a result, since the opening and closing device 100 is authenticated only for the ID of the electronic key 200 registered on the controller 140, the user learns the electronic key 200 at the first use of the electronic key 200. It is preferable to go through the ID registration process through.

<Description of user authentication method>

The intelligent security door lock 10 of the present invention receives an authentication signal from the electronic key 200 to authenticate the user and control the opening and closing of the door according to the flowchart shown in FIG. 6, and is shown in FIG. It will be described with reference to, for convenience, the order will be described.

1.LF signal sending step <S601>

In this step, the wireless communication unit 120 provided in the opening and closing device 100 for controlling the opening and closing of the door is periodically sent out the LF signal to the outside direction of the door using the directional antenna 170.

2. Electronic key determination step within the authentication distance <S602>

While the LF signal is periodically transmitted in step S601, a user having the electronic key 200 approaches within a predetermined distance from the switchgear 100. At this time, the electronic key 200 receives the LF signal transmitted from the switchgear 100, and transmits its ID to the wireless communication unit 120 in the form of an RF signal in response thereto. Meanwhile, when the wireless communication unit 120 receives the ID from the electronic key 200, the distance determining unit 130 recognizes that the electronic key 200 has approached within a predetermined distance from the switch 100. Thereafter, the distance determiner 130 helps the decoder 150 to decrypt the received ID. That is, the ID is decrypted only for the ID of the electronic key 200 recognized by the distance determining unit 130.

3. Decryption step <S603>

Since the ID of the electronic key 200 is encrypted and transmitted to the wireless communication unit 120 for security, the ID received by the wireless communication unit 120 passes through the authentication of the distance determination unit 130 to the decryption unit 150. Is moved. The decryption unit 150 decrypts the encrypted ID and transmits the decrypted information to the control unit 140.

4. Opening and closing control step of the door <S604>

The controller 140 receives the decrypted information from the decoder 150 and compares the decrypted ID with previously stored user information. In addition, the controller 140 controls the lock 110 so that the door can be opened only for a user whose ID of the electronic key 200 matches the pre-stored user information.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. And the scope of the present invention should be understood as the following claims and their equivalents.

10: intelligent security door lock
100: switchgear
110: locking part
120:
130: distance judgment unit
140:
150: decryption unit
160: OK button
170: directional antenna
180:
200: electronic key
30: door lock
310: door lock communication unit
320: locking part

Claims (7)

An opening and closing device for controlling the door to be opened and closed; And
One or more electronic keys for controlling the operation of the switchgear by wireless communication with the switchgear; Including,
The opening and closing device,
A locking unit for opening and closing the door;
A wireless communication unit for wireless communication with the outside of the switchgear;
A distance determining unit determining a distance from the at least one electronic key;
A directional antenna for transmitting an LF signal having a low band frequency of 30 kHz to 300 kHz to the outside of the door;
A control unit for determining the distance to the electronic key from the distance determining unit and checking the ID of the one or more electronic keys when the distance is within a predetermined distance to control the locking unit to open and close the door;
A confirmation button provided to be pressed by the user; And
Communication unit capable of communicating with the existing door lock; Including,
The distance determining unit determines that the at least one electronic key is within a certain distance when an ID is received from the at least one electronic key through the wireless communication unit in response to the LF signal transmitted by transmitting the LF signal from the wireless communication unit. Characterized in that,
The control unit accesses the at least one door when the at least one electronic key approaches the outside of the door by a distance determining unit within a predetermined distance, and the confirmation button is pressed by a user having an electronic key that sends an authenticated ID. Control the locking unit for opening and closing, or controlling the opening and closing of the door lock through the communication unit
Intelligent security door lock. The method of claim 1,
The opening and closing device,
A decoder for decrypting an encrypted signal received from the at least one electronic key; &Lt; RTI ID = 0.0 &gt;
Intelligent security door lock. delete delete delete delete A step of transmitting a LF signal having a low band frequency of 30kHz to 300kHz periodically to the outside of the door using a directional antenna provided in the opening and closing device for controlling the opening and closing of the door;
Receive the LF signal transmitted from the switchgear by the electronic key to determine whether one or more electronic keys for controlling the operation of the switchgear by wireless communication with the switchgear approach the switchgear within a certain distance, In step B, transmitting its ID as an RF signal to the wireless communication unit;
Decrypting an encrypted signal of the at least one electronic key when the at least one electronic key approaches the switchgear within a predetermined distance; And
Step D for controlling the opening and closing of the door by checking a signal when a user having an electronic key for transmitting an authenticated ID approaches the opening and closing device and presses a confirmation button provided on one surface of the opening and closing device; &Lt; RTI ID = 0.0 &gt;
Intelligent security door lock operation method.

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