KR100516969B1 - Method and System for Controlling Security System by Using Digital Door Lock - Google Patents

Abstract

The present invention relates to a method and system for setting and releasing a security system using an external forced lock function of a digital door lock.

A security device having a sensor for sensing physical information and a change amount of the information and converting the information into an electrical signal, the security device including one or more security devices for modulating and transmitting the electrical signal into a wired or wireless signal; A digital door lock that receives an external forced lock setting data or an external forced lock release data and operates in an external forced lock mode or releases an external forced lock mode, and generates and transmits an external forced lock setting signal or an external forced lock release signal; And a main controller configured to receive the external forced lock setting signal or the external forced lock release signal, generate a security mode setting signal or a security mode release signal, and transmit the generated security mode setting signal or the security mode release signal to the security device unit. To provide a control system.

According to an embodiment of the present invention, it is possible to construct a home security system that interoperates with the digital door lock, and easily arm or disarm the home security system by using an external forced lock function of the digital door lock.

Description

Method and system for controlling security system using digital door lock {Method and System for Controlling Security System by Using Digital Door Lock}

The present invention relates to a control method and system for a security system using a digital door lock. More specifically, the method of automatically setting and releasing the security mode of the security system built in the home such as gas leak detector, gas breaker, door, window, fire detector according to setting and releasing the external forced lock function of the digital door lock, and It's about the system.

In general, a security system is installed and used to provide residents with convenience and security of access to homes such as apartments, townhouses, and single-family homes. The security system refers to a system that not only prevents an intruder's illegal entry through a door or window, but also performs a gas leak prevention and fire prevention using a gas leak detector, a gas breaker, and a fire detector installed in a home. Here, various security devices are provided with a separate sensor (Sensor) for performing the function.

Typically, security systems installed in homes have security devices such as doors, windows, gas leak detectors, gas breakers, fire detectors, warning lights, cameras, etc., connected or connected to the main control device by wire or wirelessly. The main controller sets or releases the entire or partial security system according to the user's data input, and receives data transmitted from various security devices through wired / wireless communication to determine whether an abnormal state occurs. Here, the abnormal state refers to a state in which an outsider intrudes illegally, a gas leaks, or a fire occurs.

In addition, if it is determined that an abnormal state occurs in at least one security device, the main controller is configured to transmit an alarm sound or to flash a warning light, and to prevent crime and disaster prevention agencies such as security offices, police stations, police stations, and fire stations connected through wired / wireless communication networks. Notify of the occurrence of the condition.

On the other hand, in recent years, in order to improve the shortcomings of the locking device of the door that operates only by mechanical mechanisms (Mechanism) has been widely used digital door lock applying electromagnetic technology. The digital door lock uses various authentication technologies such as a password input method through a key input unit, a magnetic card method with a magnetic stripe, a radio frequency (RF) card method, an integrated circuit (IC) chip method, fingerprint recognition, and iris recognition. Authenticate accessors and prevent illegal intrusion.

Currently, the use of digital door locks has been widely expanded due to its convenience and usefulness, but digital door locks that operate in conjunction with the home security system described above have not been developed. Therefore, it is necessary to install a separate device for interlocking the digital door lock and the security system, but it is not widely used due to the additional cost and inconvenience of installation.

In addition, in the conventional home security system, a method of controlling various emergency devices including doors has to be set or released by a user by separately operating the data input means of the main control device. Therefore, the user must separately set the lock function on the door by operating the main control device at the time of going out, and the control function of the main control device is released even when the user returns home, which is cumbersome and inconvenient in use.

In order to solve the above problems, according to the present invention, the security mode of a security system built in a home, such as a gas leak detector, a gas breaker, a door, a window, and a fire detector, is automatically set according to the setting and releasing of the external forced lock function of the digital door lock. It is an object of the present invention to present a method and system to be set and released.

To this end, the present invention is a system for setting and releasing a security system installed in a building in conjunction with a digital door lock, comprising a detection sensor for detecting the physical information and the amount of change of information and converting it into an electrical signal, wired signal Or a security device unit including one or more security devices for modulating and transmitting a wireless signal; A digital door lock that receives an external forced lock setting data or an external forced lock release data and operates in an external forced lock mode or releases an external forced lock mode, and generates and transmits an external forced lock setting signal or an external forced lock release signal; And a main controller configured to receive the external forced lock setting signal or the external forced lock release signal, generate a security mode setting signal or a security mode release signal, and transmit the generated security mode setting signal or the security mode release signal to the security device unit. To provide a control system.

According to another object of the present invention, as a system for receiving notification of an abnormal state occurring in a security system interlocking with a digital door lock having an external forced lock function through a wired / wireless communication network, and remotely controlling the physical information and the amount of change of the information, A security device unit comprising a sensing sensor for converting the electric signal into one or more security devices for modulating and transmitting the electric signal into a wired or wireless signal; A digital door lock that receives an external forced lock setting data or an external forced lock release data and operates in an external forced lock mode or releases an external forced lock mode, and generates and transmits an external forced lock setting signal or an external forced lock release signal; A main control device that receives the external forced lock setting signal or the external forced lock release signal, generates a security mode setting signal or a security mode release signal, and transmits the generated security mode setting signal or the security mode release signal to the security device unit; And an emergency contact unit for receiving at least one of an abnormal state occurrence signal, a text message, and voice data from the main control unit through a wired / wireless communication network, and accessing the main control unit to remotely control the security unit. It provides a system for controlling a security system interlocking with a digital door lock using a wired or wireless terminal characterized in that.

According to still another object of the present invention, there is provided a home security system including a digital door lock having an external forced lock function, a main control device interlocking with the digital door lock, a security device unit operable in a security mode, and detecting whether an abnormal state occurs. CLAIMS 1. A method for controlling remotely through a wired or wireless communication network, the method comprising: (a) receiving an external forced lock setting signal generated by setting the digital door lock to an external forced lock mode; (b) receiving the external forced lock setting signal and converting the security device to a secure mode; (c) determining whether an abnormal state occurs by checking a signal received from the security device unit; (d) reading the stored emergency contact information and the corresponding short message or voice data and transmitting them to one or more emergency contact devices; (e) authenticating each of the emergency contact devices to be connected and granting control authority of the security device unit according to the authentication result; And (f) controlling the security device according to the data received from the emergency contact device. The method provides a method of controlling a security system interlocking with a digital door lock by using a wired / wireless terminal.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

First of all, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are used as much as possible even if displayed on different drawings. In addition, in describing the present invention, when it is determined that the detailed description of the related well-known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

1 is a block diagram schematically showing the overall configuration of a security system using a digital door lock in accordance with a preferred embodiment of the present invention.

Security system according to a preferred embodiment of the present invention is largely connected to the home security system 100, including the digital door lock 110, the security device unit 120 and the main control unit 130, via a wired or wireless communication network 140 or It is configured to include an emergency contact unit 160 and the like to be connected. Hereinafter, each internal component will be described in detail.

The digital door lock 110 is a core device of the home security system 100 according to an embodiment of the present invention, and performs a locking and opening operation under the control of a user. In addition, the digital door lock 110 according to the embodiment of the present invention has an external forced lock function. Here, the external forced lock function refers to a function in which the external forced lock function is released only when a valid password or digital key data is input to open the digital door lock 110. Further, digital key data refers to data for user authentication, such as digital data recorded on a magnetic stripe, an IC chip, or the like, and data obtained by digitizing biometric data such as a fingerprint, an iris, and a part or all of the body.

This external forced lock function can be usefully used to prevent the illegal chipper from opening the digital door lock 110 and going out of the room by operating the inner lever in the room when everyone in the room goes out.

The external forced lock function of the digital door lock 110 is that the person who finally goes out touches the digital key on the digital door lock 110 for a predetermined time (for example, 5 seconds or more) or presses the external forced lock setting button. Can be set by touching the digital key or entering a password. In addition, it may be set by inputting bio data such as a fingerprint or an iris while pressing an external forced lock setting button by applying a biometric technology. The digital door lock 110 set to the external forced lock mode is regarded as an abnormal state when an attempt is made to release the external forced lock by operating the inner lever without inputting a password or digital key data indoors, and performs an operation accordingly. do.

Meanwhile, when the external forced lock mode is set in the digital door lock 110, the digital door lock 110 generates an external forced lock setting signal and transmits the external locked lock setting signal to the main control unit 130 through a predetermined encryption operation. . Similarly, when the external forced lock mode is released, the digital door lock 110 generates and encrypts an external forced lock release signal and transmits the encrypted signal to the main controller 130.

The security device 120 includes a gas detector / block 121, a door / window controller 122, a fire detector 123, an infrared detector 124, a surveillance camera 125, and an alarm sound output unit 126. ) And a flashing light blinker 127 and the like. The gas detection / blocking unit 121 detects a gas leak and automatically locks the gas valve in the case of a gas leak, and the door / window control unit 122 has a separate door where the digital door lock 110 is not installed. It detects illegal intrusions through windows or windows.

In addition, the fire detector 123 detects whether a fire occurs by detecting smoke or high temperature, and the infrared detector 124 detects whether there is an illegal intruder in the room by using infrared rays. The surveillance camera 125 is installed indoors or outdoors and performs a function of capturing an image of an intruder invading an illegal intruder or an image of an activity of an illegal intruder in the room, and transmitting the captured image to the main controller 130. In addition, the alarm sound output unit 126 and the warning light flashing unit 127 transmits an alarm sound or flashes the warning light when the predetermined alarm signal is received from the main controller 130. Here, the alarm sound may include separate voice data stored in the main controller 130 in addition to the buzzer sound or the siren sound.

Meanwhile, among the components of the security device 120, the gas detection / blocking unit 121, the door / window control unit 122, the fire detection unit 123, the infrared detection unit 124, and the like may be abnormal. There is a predetermined sensor (Sensor) for detecting the. In addition, each of the security devices of the digital door lock 110 and the security device unit 120 transmits and receives data with the main control device 130 using wired or wireless data communication.

The main controller 130 is a component for controlling various input / output signals of the entire home security system 100 according to an exemplary embodiment of the present invention, and includes a central processing unit (CPU) 131 and a memory unit 132. ), RF (Radio Frequency) modem 133, power line communication (PLC: Power Line Communication, hereinafter referred to as 'PLC') module unit 134, RS (Recommended Standard) -485 module unit 135, CDMA (Code) Division Multiple Access (Division Multiple Access) module unit 136, DTMF (Dual Tone Multi Frequency) unit 137 and the like.

The central processing unit 131 performs a process of interpreting, calculating, and comparing various signals transmitted from the one or more security devices or the emergency contact unit 160 to the main controller 130. In addition, a control signal transmitted from the wired telephone 162 or the mobile communication terminal 163 is received to control the operation of the security device 120. For example, a lock or open signal of a gas valve, a door lock, a window, or the like is received from the wired telephone 162 or the mobile communication terminal 163 to control the corresponding security device.

Meanwhile, according to an exemplary embodiment of the present invention, when the CPU 131 receives an external forced lock setting or release signal from the digital door lock 110, the CPU 131 generates a security mode setting or release signal. Then, the generated security mode setting or release signal is transmitted to the security device unit 120 using wired or wireless communication to control each security device to operate in the security mode.

Here, the security mode refers to a mode that determines that an abnormal state has occurred when a sensor of each security device detects a sudden change in the amount of information by a natural phenomenon or artificial force. For example, when the gas valve is locked or opened under security mode, when gas is leaked, when the door or window is opened or locked, when an attempt is made to open the digital door lock indoors, when a person is detected in the room, etc. It is determined that a condition has occurred. Of course, even when the security mode of the security device 120 is released, general normal operation functions such as gas leakage detection and blocking, fire occurrence detection, and visitor image recording are performed as they are.

The memory unit 132 controls the security device 120 by using the wired telephone 162 or the mobile communication terminal 163 or a nonvolatile memory for storing predetermined programs and data for determining occurrence of an abnormal state. EEPROM (Electrically Erasable and Programmable Read Only Memory), SDRAM (SDRAM: Synchronous Dynamic Random Access Memory) for temporarily storing data generated by the security device unit 120, and the like. In addition, the memory unit 132 stores a specific password for authenticating a user accessing the main controller 130 using the wired telephone 162 or the mobile communication terminal 163.

On the other hand, in the memory unit 132, when an abnormal state occurs in the security device unit 120, a plurality of short messages or voice data including the information of the occurrence of the abnormal state and a wire for transmitting a short message or voice data The telephone number of the telephone 162 or the mobile communication terminal 163 is stored. Here, the short message or the voice data stored in the memory unit 132 has different contents according to the type of the security device and the abnormal state, and a predetermined identification code for each short message or the voice data to distinguish each short message or the voice data. (Code) is assigned.

The RF modem 133 modulates the control signal received from the central processing unit 131 into an RF signal and transmits the RF signal to a specific security device capable of receiving the RF signal.

The PLC module unit 134 modulates a control signal received from the central processing unit 131 into a signal for power line communication and transmits the signal to a specific security device, and, conversely, a signal transmitted from the specific security device to the central processing unit 131. Function to deliver Power line communication is a CEBus (Consumer Electronics Bus) based data communication technology, a technology that allows data communication by connecting a communication device to an electrical outlet in a home, and uses an alternating frequency of 50 to 60 Hz.

The RS-485 module unit 135 transmits a control signal received from the central processing unit 131 to a specific security device, and functions as an interface for transmitting a signal transmitted from the specific security device to the central processing unit 131. RS-485 communication is designed to replace RS-232, a standard for conventional serial communication interfaces, and upgrades RS-422, a standard interface for serial device connection, approved by the EIA, to support 32-32 multipoint data. It is a standard that can be transmitted.

That is, each security device of the digital door lock 110 and the security device unit 120 according to an embodiment of the present invention selectively takes one or more of various communication methods such as RF communication, power line communication, serial communication, and the like. Communication with 130).

The CDMA module unit 136 includes a CDMA modem that provides a function of allowing the main controller 130 to transmit and receive data with the mobile communication terminal 163 through the wired / wireless communication network 140. CDMA modems are digital communication devices such as the Internet or data transmission and reception from a computer or a mobile communication terminal using radio waves used by each mobile carrier. The CDMA modem according to the embodiment of the present invention supports the standards of the IS-95 (Interim Standard-95) A / B / C protocol and the RS-232C (Recommended Standard-232C) interface. Of course, it is possible to support the third generation or fourth generation communication standards to be used in the future.

On the other hand, the CDMA module unit 136 has one mobile identification number (MIN) like the general mobile communication terminal. Therefore, a user who wants to control a specific security device of the security device unit 120 using the mobile communication terminal 163 enters the MIN assigned to the CDMA module unit 136 to connect with the main control device 130 and access the connection. Enters the password input process for user authentication.

In addition, when an abnormal state occurs in the security device unit 120, the CDMA module unit 136 receives a short message or a transmission control signal of voice data from the central processing unit 131 and is stored in the memory unit 132. The predetermined short message or voice data is transmitted to the mobile communication terminal 163.

Meanwhile, the short message generated and sent by the CDMA module unit 136 includes a callback number such as a mobile station identification number set in the CDMA module unit 136 and a Uniform Resource Locator (URL) of the main control unit 130. Can be. Accordingly, the mobile communication terminal 163 receiving the short message including the predetermined callback number can be directly connected to the main control device 130 by pressing a button related to call connection once and remotely control the desired security device. .

The DTMF unit 137 receives and decodes DTMF signals transmitted from the wired telephone 162 or the mobile communication terminal 163 and transmits the decoded information to the central processing unit 131 (not shown). ). Therefore, the central processing unit 131 controls the security unit 120 according to the DTMF signal transmitted from the DTMF unit 137.

The wired / wireless communication network 140 includes a public switched telephone network (PSTN), a mobile communication network, an internet network, a local area network (LAN), and the like. The public switched telephone network functions to connect the home security system 100 and the security authority 161 or the wired telephone 162, and the mobile communication network, the Internet network and the local area network are the home security system 100 and the security authority 161. Or it serves to connect the mobile communication terminal (163). Details of the public switched telephone network, mobile communication network and the Internet network are well known to those skilled in the art, and thus detailed descriptions thereof will be omitted.

The Short Message Service Center (SMSC) 150 temporarily stores a short message indicating an abnormal state received from the CDMA module unit 136 and the mobile station identification number of the terminating mobile communication terminal 163, and then stores the short message service center. The short message is transmitted through 140.

The emergency contact unit 160 receives the abnormal state occurrence signal, the short message or the voice data from the home security system 100 through the wired / wireless communication network 140 to immediately dispatch the security personnel to the site or the security device unit 120 from the remote site. ) To control the function. That is, the computer system installed in the security authority 161 that receives the short message or voice data transmitted from the home security system 100, the landline telephone 162 and the mobile communication terminal 163 are mobile stations of the CDMA module unit 136. The main controller 130 may access the main controller 130 by inputting an identification number or by directly selecting a call connection button. When connected to the main controller 130, a password may be input to control a security device having an abnormal state after a user authentication process.

2 is a flowchart illustrating a process of setting and releasing a security mode using the digital door lock 110 according to an exemplary embodiment of the present invention.

A user who wants to set an external forced lock function of the digital door lock 110 sets an external forced lock function of the digital door lock 110 by using the external forced lock function setting method (S200). The digital door lock 110 receiving the external forced lock data generates and encrypts the external forced lock setting signal and transmits the encrypted data to the main controller 130 through wired and wireless communication (S202). Upon receiving the external forced lock setting signal, the main controller 130 generates a security mode setting signal and transmits the generated security mode setting signal to the security device unit 120 through wired / wireless communication.

Each security device of the security device unit 120 that receives the security mode setting signal changes the operation mode to the security mode to operate in the security mode (S206). Digital key data for user authentication for releasing the external forced lock is input from the indoor or outdoor through the digital door lock 110 while operating in the security mode.

The digital door lock 110 receiving the digital key data compares the stored digital key data and the input digital key data stored therein to determine whether the authentication is successful (S210). When the digital door lock 110 determines that the user authentication is successful in step S210, the digital door lock 110 generates and encrypts an external forced lock signal and transmits the encrypted data to the main controller 130 (S212).

Upon receiving the external forced lock release signal, the main control unit 130 generates a security mode release signal and transmits it to the security device unit 120 (S214). Each security device that receives the security mode release signal releases the set security mode and operates in a normal operation mode (S216). The digital door lock 110, which has successfully performed user authentication, releases the lock (S218).

3 is a flowchart illustrating an operation process of a home security system 100 in which an abnormal condition occurs according to a preferred embodiment of the present invention.

Each sensor of the security device attached to an arbitrary location (eg, front door, window, room, etc.) of a home provided with the home security system 100 according to an embodiment of the present invention may measure the information and / or the amount of change in the information. Senses and converts it into an electrical signal and delivers it to each controller (not shown). The controller of each security device modulates the wired and wireless signals and transmits the electrical signals received from the sensors to the main controller 130 using one of a built-in RF modem, a PLC module, and an RS-485 module. (S300).

The central processing unit 131 of the main control unit 130 checks the signals transmitted from each security device in real time (S302). Here, the signal received by the central processing unit 131 may include information regarding an identification code set in a specific security device in which an abnormal state has occurred and an abnormal state code indicating the type of the abnormal state. The CPU 131 determines whether an abnormal state has occurred in a specific security device while checking the received signal (S304).

If it is determined in step S304 that an abnormal state has occurred in a specific security device, the central processing unit 131 transmits emergency contact information of the emergency contact unit 160 previously stored in the memory unit 132 to transmit a warning message of the abnormal state. Read out (S306). Here, the emergency contact information is an IP (Internet Protocol) address of the computer system built in the security authority 161, a telephone number of the landline telephone 162 or the mobile communication terminal 163. Then, the central processing unit 131 reads a short message or voice data corresponding to the identification code and the abnormal status code of the corresponding security device that has been determined that the abnormal condition has occurred, and the emergency contact unit (136) through the CDMA module unit 136. 160 and transmits (S308).

The security authority 161, the wired telephone 162, and the mobile communication terminal 163 of the emergency contact unit 160 selectively receive an abnormal state occurrence signal, a short message, or voice data through the wired / wireless communication network 140 (S310). ). The wired telephone 162 or the mobile communication terminal 163 receiving the abnormal state occurrence signal, the short message or the voice data directly inputs the mobile station identification number assigned to the CDMA module unit 136 or selects a predetermined call connection button. The main control unit 130 is connected (S312).

The wired telephone 162 or the mobile communication terminal 163 connected to the main controller 130 receives the password set in the home security system 100 and transmits the password to the main controller 130 (S314). The central processing unit 131 receiving the input password compares the storage password stored in the memory unit 132 with the input password to perform an authentication operation of the access terminal (S316). If it is determined in step S316 that the authentication operation has been successfully performed, the central processing unit 131 grants the access terminal the control authority of the security device unit 120 (S318). The access terminal granted the control authority of the security unit 120 from the central processing unit 131 controls a specific security device in which an abnormal state occurs by operating a key button (S320).

The above description is merely illustrative of the present invention, and those skilled in the art to which the present invention pertains may various modifications without departing from the essential characteristics of the present invention. Accordingly, the embodiments disclosed herein are not intended to limit the present invention but to describe the present invention, and the spirit and scope of the present invention are not limited by these embodiments. It is intended that the scope of the invention be interpreted by the following claims, and that all descriptions within the scope equivalent thereto shall be construed as being included in the scope of the present invention.

As described above, the conventional home security system has a disadvantage in that it does not work in conjunction with a digital door lock that is widely used, but according to the present invention can operate the digital door lock and the security system interlocked to extend the range of use of the digital door lock digital There is an effect that can greatly contribute to the spread of the door lock.

In addition, in the conventional security system, the security setting and release method had to control the main controller directly or by using a device such as a remote controller, but according to the present invention, the external forced lock function of the digital door lock can be set without separately controlling the main controller. Simply turn it off, the security mode is automatically turned on or off has the advantage of ease of use.

1 is a block diagram schematically showing the overall configuration of a security system using a digital door lock in accordance with a preferred embodiment of the present invention;

2 is a flowchart illustrating a process of setting and releasing a security mode using a digital door lock according to an exemplary embodiment of the present invention.

3 is a flowchart illustrating an operation process of a home security system having an abnormal state according to a preferred embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

100: home security system 110: digital door lock

120: security unit 121: gas detection / blocking unit

122: door / window control unit 123: fire monitoring unit

124: infrared detector 125: surveillance camera

126: alarm sound output unit 127: warning light flashing unit

130: main controller 131: central processing unit

132: memory unit 133: RF modem

134: PLC module 135: RS-485 module

136: CDMA module unit 137: DTMF module unit

140: wired and wireless communication network 150: SMSC

160: emergency contact 161: security agency

162: landline telephone 163: mobile communication terminal

Claims (14)

A system for setting and releasing a security system installed in a building in conjunction with a digital door lock, A security device having a sensor for sensing physical information and a change amount of the information and converting the information into an electrical signal, the security device including one or more security devices for modulating and transmitting the electrical signal into a wired or wireless signal; A digital door lock that receives an external forced lock setting data or an external forced lock release data and operates in an external forced lock mode or releases an external forced lock mode, and generates and transmits an external forced lock setting signal or an external forced lock release signal; And Receives the external forced lock setting signal or the external forced lock release signal to generate a security mode setting signal or a security mode release signal to the security device unit Sender main controller Control system of the security system using a digital door lock, characterized in that it comprises a. The method of claim 1, The external forced unlock data is a digital key data control system, characterized in that the digital key data corresponding to the authentication data stored in the digital door lock. The method of claim 2, The digital key data is a digital door lock, characterized in that the data recorded on a magnetic stripe or an integrated circuit chip and digitalized data of a part or all of the body data including a fingerprint and an iris. Control system of security system using. 4. The method of claim 1 or 3, wherein the external forced lock mode is Inputting the digital key data into the digital door lock for a predetermined time; And A method of instantaneously inputting the digital key data or a password while the external forced lock setting button provided on the outer surface of the digital door lock is pressed. Control system of a security system using a digital door lock, characterized in that it is set through one or more methods. The method according to claim 1 or 3, And the external forced lock mode is released by inputting the digital key data from the inside or the outside of the building to the digital door lock while the external forced lock mode is set. delete delete delete delete delete delete To remotely control an indoor security system via a wired or wireless network, including a digital door lock having an external forced lock function, a main control device interlocking with the digital door lock, a security device unit operable in a security mode, and detecting an abnormal state. As a method, (a) receiving an external forced lock setting signal generated by setting the digital door lock to an external forced lock mode; (b) receiving the external forced lock setting signal and converting the security device to a secure mode; (c) determining whether an abnormal state occurs by checking a signal received from the security device unit; (d) reading the stored emergency contact information and the corresponding short message or voice data and transmitting them to one or more emergency contact devices; (e) authenticating each of the emergency contact devices to be connected and granting control authority of the security device unit according to the authentication result; And (f) controlling the security device according to the data received from the emergency contact device Method of controlling a security system that works with the digital door lock using a wired or wireless terminal, characterized in that it comprises a. 13. The method according to claim 12, wherein in step (d) The emergency contact device includes at least one of a computer system installed in a landline telephone, a mobile communication terminal, and a security authority, and the emergency contact information includes a wired / wireless telephone number according to the emergency contact device and an Internet Protocol (IP) address of the computer system. A method of controlling a security system interlocking with a digital door lock using a wired or wireless terminal, characterized in that at least one of the information. The method of claim 12, wherein the method is (g) determining whether digital key data is input to the digital door lock to transmit an external forced restraint release signal; And (h) canceling the security mode set in the security device unit when the external forced restraint release signal is received;  Using a wired or wireless terminal, characterized in that it further comprises a method for controlling a security system interlocking with the digital door lock.