KR20090077437A - Digital doorlock, security system and method using it - Google Patents

Abstract

A digital door lock, a security system, and a method using the same are provided to transmit emergency signal to a guard office and a crime prevention agency by installing an emergency signal generating unit and a communicating unit in it. A digital door lock comprises a setting input part(10), a door locking part(20), and a door releasing part(30). The digital door lock more includes emergency signal generator(40) and a communicating unit(50). The emergency signal generator releases the locking state of a door lock and generates an emergency signal at the same time. The communication unit receives the emergency signal and transmits it a home network server, which transmits the locking and releasing signal to the digital door lock.

Description

Digital door lock, security system and method using the same {Digital Doorlock, Security System and Method Using It}

The present invention relates to a digital door lock, a security system and method using the same.

Specifically, by opening the front door through the emergency setting input in the digital door lock and generating an emergency signal at the same time to transmit to the home network server, the security guard simply reduces the risk of opening the front door by the threat of the threat in front of the front door. The present invention relates to a digital door lock capable of an emergency setting input, a security system using the same, and a method thereof.

Digital door locks are themselves used as door locks and terminal terminals forming home network systems.

A home network is a future home appliance system that allows home appliances such as TVs, refrigerators, and air conditioners to be connected to the homes, kitchens, living rooms, and entrances through the Internet and transmits information to enable operation through mobile phones. . The home network is what constitutes a 'digital home', a future home environment where information in the home is connected to the network and services are provided regardless of the device, time, or place.

If you set up a home network, you can sit in the room and check who has pressed the doorbell and whether the laundry is finished. In the home network system, users can monitor their home from the outside as if they are using the PDA or mobile phone at home to control the TV with the remote control. You can see it.

In the past, many security systems and methods using a home network have been proposed. For example, Republic of Korea Patent Publication No. 2007-14647 (published on February 1, 2007) is a security system using a home network, a sensor unit for lighting a lighting device or outputting an emergency signal by detecting an entrance door, and the sensor unit A home gateway configured to receive and process the emergency signal from the home signal, to set / release a security mode, an image photographing unit to capture an image of a doorway user by controlling the home gateway in the security mode, and an internet communication network from the home gateway. It provides a security system comprising a message transmission unit for receiving the emergency signal through the notification of the fact that illegal intrusion to the terminal of the resident. This Patent Publication No. 2007-14647 is for monitoring illegal and invading illegal.

In addition, the Republic of Korea Patent No. 665749 (Dec. 6, 2006) is a home network interlocking security door lock system, in standby mode, the power supply to the interphone function and the electronic recognition function block the power supply is unnecessary to use the minimum power The power consumption can be prevented, and the home network and the electronic door lock device are interlocked, so there is no need for a separate power supply to operate the electronic door lock device, and the electronic door lock device also transmits unauthorized intrusion information through the entrance to the home network for alarm. Since it is possible to request an emergency outgoing or to initiate a home network interlocking security door lock system that can perform a quick security measures. Patent 665749 is a security door lock system for the purpose of reducing unnecessary power consumption.

However, in such a security system using a home network system, when a household member is threatened with a robbery or a thief in front of the front door of your company after going out, the household member opens the front door to allow intrusion into the household. Failed to inform the security guards or crime prevention agencies.

The present invention has been made to solve the above problems, when the household member is out of the house after returning home, for example, in front of the front door threatened by the robbery, thieves, etc. to open the door, such as security offices or crime prevention agencies or security companies such risks We want to be able to inform you.

In addition, if the door is opened by the threat of threats and the household is allowed to invade, the home camera or the like will be recorded so that the situation can be used as evidence of the crime after the incident.

In addition, by alerting the security room or the crime prevention organization the recorded video, etc. during the invasion of the threat generation, it is intended to contribute to the arrest of the criminal before escape after the invasion of the threat generation.

The present invention is to solve the above problems, one embodiment of the digital door lock which is one of the present invention, a setting input unit for receiving a setting including the opening and locking, a door locking unit for locking the door lock according to the lock setting and opening In the digital door lock installed on the front door having a door opening for releasing the locked state of the door lock according to the setting, generating an emergency signal to release the locked state of the door lock and generate an emergency signal according to the emergency setting of the setting input unit. part; And a communication unit receiving the emergency signal generated by the emergency signal generator and transmitting an emergency signal to the home network server and receiving a setting signal of door locking or opening from the home network server.

In addition, to solve the above problems, one embodiment of the security system using a digital door lock, which is another one of the present invention includes: a digital door lock for generating and transmitting the emergency setting signal mentioned above; A home network server which receives an emergency signal from a communication unit of a digital door lock, operates a home camera, stores an image captured by the home camera, and transmits the received emergency signal to a server; Receiving an emergency signal from the home network server, the server only transmits the emergency signal to the guard phone of the guard room or a network-connected security agency or security company; And a home camera operated by the home network server to photograph the situation of the house or the front door and transmit the captured image to the home network server.

Furthermore, in order to solve the above problem, one embodiment of a security method using a digital door lock, which is another one of the present invention, a security using a digital door lock comprising a digital door lock, a home network server, a complex server, and a home camera A security method of the system, comprising: (a) receiving an emergency setting from a digital door lock installed at a front door; (b) releasing the locked state of the digital door lock according to the emergency setting input and simultaneously generating an emergency signal and transmitting an emergency signal to a home network server; (c) receiving an emergency signal at the home network server to operate the home camera and transmitting the received emergency signal to the server only; (d) only the server transmits the emergency signal received by the emergency signal to the security guard of the guard room or network-connected security agency or security company; (e) the home camera operated in the step (c) photographing the situation of the house or the front door and transmitting the captured image to the home network server; And (f) storing, by the home network server, the home camera image transmitted in the step (e).

By implementing a digital door lock and a security system and method using the same according to an embodiment of the present invention, when a household member is out of the house after returning home, for example, in front of the front door threatened by robbery, thieves, etc. to open the security guard or security Being able to inform the agency or the security company of these risks makes them safer and even more useful for crime prevention.

In addition, according to another embodiment of the present invention, when a door is opened by a threat of threats and a generational invasion is allowed, a home camera or the like can be used to record the situation of the house and use it as evidence of the crime after the incident. .

In addition, according to another embodiment of the present invention, by notifying the guard room or the crime prevention organization recorded video during the invasion of the threat generation, it is possible to contribute to the arrest of the criminal before the escape after the invasion of the threat generation.

Hereinafter, with reference to the accompanying drawings will be described in more detail to help those of ordinary skill in the art with preferred embodiments. Descriptions of overlapping parts according to various embodiments will be omitted as far as possible without departing from the spirit of the present invention and without impairing a clear understanding of the present invention by those skilled in the art.

First, the digital door lock according to the present invention will be described with reference to the embodiment and the accompanying drawings.

1A and 1B are conceptual block diagrams illustrating an embodiment of a digital door lock according to the present invention.

As shown in Figures 1a and 1b, in one embodiment of the digital door lock according to the present invention, the digital door lock 100 is installed on the porch is usually a setting input unit 10, the door lock 20 and the opening 30 ). In addition, although not shown, it is obvious that it may be provided with a control means for controlling the function of each component. In the setting input unit 10 is input to the setting functions, including the opening and locking of the door, that is, the front door. It may be a number input method or a method using an access card. In the case of using an access card, the contact card may be a contact type or a contactless method using a short range wireless communication method. In the case of a contact type, an access card may be inserted or another method. The identification information of the access card can be stored using a magnetic or IC chip. The opening setting may be a method using biometric information input such as a fingerprint or biometric information and number input. The door locking unit 20 performs a function of locking the door lock 100 using a locking device according to the locking setting inputted from the setting input unit 10 or received through the home network-connected communication unit 50, and the door opening unit. 30 releases the locked state of the door lock 100 according to the opening setting inputted from the setting input unit 10 or received through the communication unit 50 connected to the home network. In the present invention, the setting input unit 10 is capable of emergency setting for crime prevention. When a household member meets a robber or thief near the front door after returning home through the emergency setting as in the present invention and opens the front door under threat from them, they open the front door without giving any signal to the camera at the same time. By making it possible to perform video recording, etc., it is possible to secure evidence of crime prevention and post crime resolution.

The digital door lock 100 according to one embodiment also releases the locked state of the door lock 100 in accordance with the emergency setting of the setting input unit 10 and at the same time generates an emergency signal generator 40 for generating an emergency signal Include. In this case, it may be desirable that the emergency signal cannot be detected by a generation member, that is, a threat such as a criminal who threatens the door lock user. On the other hand, it may be desirable to allow threats to be detected in order to achieve the effectiveness of the crime.

In addition, the digital door lock 100 includes a communication unit 50 for receiving an emergency signal generated by the emergency signal generator 40 and transmitting an emergency signal to the home network server 200. The communication unit 50 may perform wireless communication with the home network server 200 as shown in FIGS. 1A and 1B, or may perform wired communication although not shown. In addition, the communication unit 50 may receive a setting signal of door locking or opening from the home network server 200. Referring to FIG. 2, the home network server 200 receiving the emergency signal is a home camera installed in a house or a front door through a home network system, specifically, a home CCTV camera 400 or a door phone 110 installed in a home. Operate the door phone camera (not shown) installed in the) or transmit a signal informing the emergency state to the guard phone 500 of the guard room.

Although not shown, in another embodiment of the digital door lock according to the present invention, the opening setting in the setting input unit 10 is made through a number input, an access card contact or non-contact input, or an access card and a security release setting input. The emergency setting in the setting input unit 10 is made by inputting a specific number different from the opening setting, an access card and a safety setting input, or an access card contact or non-contact input not including the security release setting so as to correspond to the opening setting, respectively. Can be. The number input of the open setting and other specific number (or safety setting) inputs in the emergency setting are preferable to the setting input method in which the number is inputted, and the access card contact or non-contact input of the open setting, or the access card and security release setting input and emergency The access card and safety setting input in the setting, or the access card contact or non-contact input not including the security release setting would be preferable to the setting input method using the card. Settings can be made in a variety of ways. For example, if the password for opening the door is '2580', the specific number (safety setting number) entered as the emergency setting is set differently from the opening password such as '2232', and the household members threatened by the threater are '2232'. If you enter the door is opened and the emergency is set to generate an emergency signal and transmitted to the home network server 200. In another example, if a member of the household who is threatened needs to contact the access card to open the front door, the threatened household member contacts the access card and enters a safety number (emergency set number), such as '1331' or a safety key (emergency set function key). For example, when the '#' key is pressed, the front door is opened and an emergency setting is generated to generate an emergency status signal and transmitted to the home network server 200. The safety setting and the security release setting may preferably be a setting using a number or a function key or a number and a function key. Non-contact of the access card is an identification method using near field communication, preferably RFID. In addition, it is also possible to set the opening using biometric information, in which case the opening by biometric information and password (or security release setting) and the biometric information alone or by entering a specific number (safe setting or emergency setting) different from biometric information. Settings may be possible.

1B illustrates a digital door lock 100 including an emergency release unit as an embodiment of the digital door lock according to the present invention.

As shown in FIG. 1B, another exemplary embodiment of the digital door lock according to the present invention includes a setting input unit 10, a door locking unit 20, a door opening unit 30, an emergency state signal generating unit 40, and Including a communication unit 50 and a door lock main body 101 installed in the entrance, spaced apart from the door lock main body 101 is installed in the house and emergency state release unit 102 to release the emergency setting of the setting input unit 10 It is made to include. Since the emergency release unit 102 is installed in the house, it may be installed inside the house of the porch, or may be installed included in a device connected to the home network of the house or in the house side wall or other house. For example, it may be installed on the surface of the home network server 200, for example, the wall pad 200. Emergency state release unit 102 is connected to the communication unit 50 of the door lock body 101, it may be connected in a wireless manner as shown in Figure 1b or may be connected in a wired manner, although not shown. Emergency state release setting in the emergency state release unit 102 may be made through number or function key input or card input or biometric information input or a combination thereof as mentioned in the opening setting or emergency setting of the setting input unit 10. Can be.

The communication unit 50 of the digital door lock 100 according to the present embodiment transmits an emergency state release signal to the home network server 200 according to the emergency setting release setting of the emergency state release unit 102. Referring to FIG. 2, the home network server 200 receiving the emergency release signal stops the recording of a home camera such as a home CCTV camera 400 or a door phone camera (not shown) through a home network system, and the guard room. The guard phone 500 to transmit the release signal.

In the digital door lock according to the present embodiment, in the case of the security release setting applied to the open setting or the emergency setting in the setting input unit 10, the security release setting of the emergency state release unit 102 will be made.

Next, a security system using a digital door lock according to the present invention will be described with reference to embodiments and the accompanying drawings. 2 is a conceptual diagram showing an embodiment of a security system using a digital door lock according to the present invention.

As shown in FIG. 2, one embodiment of the security system according to the present invention includes a digital door lock 100, a home network server 200, a complex server 300, and a home camera.

The digital door lock in the security system according to the present embodiment is a digital door lock 100 according to the above-described embodiment of the present invention, an emergency setting input is made and an emergency state signal is generated and transmitted. For example, a digital door lock 100 as shown in FIGS. 1A and 1B. Since the emergency setting input in the digital door lock 100 has been described in the digital door lock according to the present invention described above, duplicate description will be omitted. On the other hand, in the present system, the emergency setting input in the digital door lock can be made to create the emergency setting mode by the program setting and the emergency setting input only in the emergency setting mode, in particular, the home network server 200, for example, the wall pad ( It is also possible to set such an emergency setting mode.

In addition, as well as the digital door lock 100, as shown in Figure 2 is provided with a door phone 110 through the door phone 110 from the digital door lock 100 is connected to the home network server 200 in accordance with the emergency setting You can also send an emergency signal.

In addition, in the security system according to the present embodiment, the home network server 200 receives an emergency signal from the communication unit 50 of the digital door lock 100 to operate a home camera and stores an image captured by the home camera. And only transmits the emergency signal received from the communication unit 50 of the digital door lock 100 to the server (300). Preferably, the home network server 200 may be a wall pad 200 as shown in FIGS. 1A to 2. In the present application, the home camera refers to a camera photographing a house or a porch. The home camera may be the home CCTV camera 400 shown in FIG. 2 or may be a home phone server 200 or a door phone camera embedded in the door phone 110 although not shown. Can be. Or some or all of such cameras. The image taken by the home camera may be stored in the home network server 200 or in a separate storage server. In the present application, only the server 300 refers to both the same server or the entire complex server, such as apartments.

In addition, only the server 300 in the system according to the present embodiment receives the emergency signal from the home network server 200, and the signal indicating the received emergency status guard phone 500 of the guard room or network-connected security agency Or to a security company 520, preferably their server. Examples of the security agency 520 include a police station, a conventional police box, and the like. In addition, only the server 300 receives the image taken by the home camera from the home network server 200 with a real time or time difference in real time or time difference in the guard phone 500 or security agency or security company 520 in the guard room. Can also be sent to the server.

The home camera is operated by the home network server 200 to photograph the situation of the house or the entrance and transmit the captured image to the home network server 200.

In the embodiment of the present invention, the home camera is a home CCTV camera 400 for photographing a house, a home network server 200 installed in a house, for example, a camera (not shown) built in a wall pad 200, a door phone 110. It may be configured to include at least one or more cameras of the door phone camera (not shown) is built in the) to take the porch.

Referring to Figure 1b, in another embodiment of the security system using a digital door lock according to the invention the emergency setting can be released by opening the closed front door inside the house after the emergency setting of the digital door lock 100 or earlier The emergency setting may be released by the security release setting of the setting input unit 10 mentioned above or the release setting of the emergency state release unit 102 in the embodiment of the digital door lock 100 according to FIG. 1B.

In this embodiment, the digital door lock 100 transmits an emergency release signal to the home network server 200 in response to the emergency setting release, and the home network server 200 merely transmits the release signal in response to the emergency release signal. Send to server 300. It also stops the home camera according to the release signal.

According to another embodiment of the present invention, as shown in Figure 2, the security system is operated only by the server 300, the common camera camera 600 for transmitting the captured image to the server 300 only; It may further include. The common unit camera 600 may include a lobby phone camera 620, an elevator CCTV camera 610, a hallway camera, and the like.

Preferably, according to another embodiment of the security system according to the present invention, when the home network server 200 receives the emergency release signal before a predetermined time elapses after receiving the emergency signal is captured by the home camera You can delete the video. When the household member does not input for the opening setting of the setting input unit 10 and the door is opened through the emergency setting input even though it is not an emergency, the emergency setting can be canceled before the pre-programmed time elapses. To increase.

In the present embodiment, if the home network server 200 does not receive the emergency release signal before a preset time elapses after receiving the emergency signal, the home network server 200 transmits the received image to the server 300 in real time. can do. In addition to the image after a predetermined time, the image already stored in the home network server 200 may be transmitted only to the server 300. In addition, only the server 300 may transmit the home camera image received in real time to the guard phone 500 or the network-attached security agency or security company 520 of the guard room that is displayed in real time image. Thus, intruder's generational intrusion can be notified through the recorded video to the outside without knowing the threat, so that they can ask for help, and it can be evidence of post-mortem offense. The image transmitted from the server 300 may include not only a real time image after a predetermined time has elapsed, but also an image already stored in the home network server 200 and then transmitted to the server 300.

In addition, the security system may further include a common camera 600 that is operated by the server 300 and transmits the captured image only to the server 300, in this case captured by the common camera 600 The image is transmitted only to the server 300, preferably from the server 300 may be transmitted to the guard phone 500 of the guard room or a network-connected security agency or security company 520.

Next, a security method using a digital door lock according to the present invention will be described with reference to embodiments and the accompanying drawings. Descriptions of overlapping parts will be omitted without departing from the understanding of the invention. Embodiments according to the present invention may be described based on FIGS. 3 to 5 with reference to FIGS. 1A to 2 above.

3 is a flowchart illustrating one embodiment of a security method using a digital door lock according to the present invention. Reference numerals refer to FIGS. 1A through 2.

One embodiment of the security method using a digital door lock according to the present invention is a digital door lock 100, a home network server 200, a digital server comprising a home server 300 and a home camera, as shown in FIG. In the security method of the security system using a door lock, comprising the following steps (a) to (f) (S100 to S600).

In step (a), the emergency setting is input from the digital door lock 100 installed at the entrance. Emergency setting input method is as described above in the digital door lock according to the present invention.

In step S200, the locked state of the digital door lock 100 is released according to the emergency setting input and at the same time, an emergency signal is generated. This step S100 is performed in the emergency signal generator 40 of the digital door lock 100 shown in Figs. 1A and 1B, for example. And transmits the emergency signal from the digital door lock 100 to the home network server 200.

In step (c), the home network server 200 receives an emergency signal and operates the home camera. And it transmits only the emergency state signal received to the server (300). In the present application, a home camera is a camera photographing a house or a porch or a house and a porch.

In step (d) (S400), only the server 300 transmits the emergency state signal to the guard phone 500 of the guard room or a network connected crime engine or a security company 520 in the guard room.

In step (e) (S500), the home camera operated in step (c) (S300) previously photographs the situation of the house or the front door and transmits the captured image to the home network server 200.

In step (f) (S600), the home network server 200 stores the home camera image transmitted in step (e) (S500).

Although not shown, only the server 300 receives the image taken by the home camera from the home network server 200 in real time or at a time difference, the guard phone 500 or a security agency or security company in the guard room in real time or time difference Or send to the server at 520.

In the embodiment of the present invention, the home camera is a home CCTV camera 400 for photographing a house, a home network server 200 installed in a house, for example, a camera (not shown) built in a wall pad 200, a door phone 110. Is used in the sense of including at least one or more cameras of the door phone camera (not shown) that is embedded in the) to take the porch.

In another embodiment of the security method using a digital door lock according to the present invention, the opening setting of the digital door lock 100 may be made through a number input, access card contact or contactless input, or access card and security release setting input. . In addition, in the present embodiment, the emergency setting in step (a) (S100) corresponds to the opening setting, so that the access number does not include a specific number input different from the opening setting, access card and safety setting input, or security release setting. It can be through card contact or non-contact input. Detailed description thereof is omitted to avoid duplication.

4 is a partial flowchart illustrating another embodiment of a security method using a digital door lock according to the present invention. Reference numerals refer to FIGS. 1A through 2.

As shown in Figure 4, another embodiment of the present invention security method further comprises the following steps (b ') and (c') (S1200 and S1300).

In step (b ') (S1200), by closing the front door inside the house after step (b) (S200), the emergency setting of step (b) (S200) is released or the emergency state release unit 102 installed in the house. By the release setting of the emergency setting of (b) step (S200) is released. The digital door lock 100 transmits an emergency release signal to the home network server 200.

In the step (c ') (S1300), after the step (b') (S1200), the home network server 200 transmits the release signal to the server 300 only after receiving the emergency release signal and stops the home camera operation. Let's do it.

In the present embodiment, in the case of the security release setting applied to the opening setting of the digital door lock 100 or the emergency setting of step (a) (S100), the emergency state release unit 102 of step (b ') (S1200). Security release setting can be made by emergency setting release.

Figure 5 is a partial flow diagram showing another embodiment of a security method using a digital door lock according to the present invention. Reference numerals refer to FIGS. 1A through 2.

As shown in FIG. 5, in another embodiment of the present security method, the following steps (f'-1) to (f'-2b) (S1700 to S1820) are further added after step (f) (S600). It is made to include.

In step (f'-1) (S1700), when the home network server 200 receives the emergency release signal before the preset time elapses after the emergency signal is received in step (b ') (S1200), the home camera captures the image. Deleted home camera image is deleted. When the household member does not input for the opening setting of the setting input unit 10 and the door is opened through the emergency setting input even though the emergency setting is not performed, the emergency setting can be released before the preprogrammed time elapses.

In step (f'-2) (S1800), if the home network server 200 does not receive the emergency state release signal before the preset time elapses after receiving the emergency state signal in step (b ') (S1200), (f'-2a) and (f'-2b) steps S1810 and S1820.

At step (f'-2a) (S1810), the home network server 200 transmits the image received by the home camera to the server 300 in real time, and at step (f'-2b) (S1820), The server 300 transmits the home camera image received in real time to the guard phone 500 or the network-attached crime prevention agency or the security company 520 of the security room displaying the image in real time. The image transmitted from the server 300 may include not only a real-time image after a predetermined time elapses but also an image already stored in the home network server 200 and then transmitted to the server 300.

In the above, the present invention has been described in detail with reference to the accompanying drawings and embodiments, the accompanying drawings and the above embodiments are described by way of example to help those of ordinary skill in the art to understand the present invention. As such, the scope of the invention should be construed according to the invention set forth in the appended claims, which includes various modifications, alternatives, and equivalents by one of ordinary skill in the art.

The present invention relates to a digital door lock, a security system and method using the same, and in accordance with the present invention, even if a household member inevitably opens the front door outside the front door threatened by a threat agent, the safety and further the function of arrest and crime prevention of criminals As it can be performed, it will contribute to the security system technology using the home network even more beneficial.

1A and 1B are conceptual block diagrams illustrating an embodiment of a digital door lock according to the present invention;

2 is a conceptual configuration diagram showing one embodiment of a security system using a digital door lock according to the present invention,

3 is a flowchart illustrating one embodiment of a security method using a digital door lock according to the present invention;

4 is a partial flowchart illustrating another embodiment of a security method using a digital door lock according to the present invention;

Figure 5 is a partial flow diagram showing another embodiment of a security method using a digital door lock according to the present invention.

<Description of Symbols for Main Parts of Drawings>

10: setting input unit 20: door lock

30: door opener 40: emergency signal generator

50: communication unit 100: digital door lock

101: digital door lock body 102: emergency release unit

200: home network server 300: only server

400: Home CCTV Camera 500: Security Guard Security Phone

520: security agency (security company) server 600: public camera

Claims (13)

In the digital door lock installed in the front door having a setting input unit for receiving a setting including opening and locking, a door locking unit for locking the door lock according to the lock setting and a door opening unit for releasing the locked state of the door lock according to the opening setting, An emergency state signal generation unit which releases the locked state of the door lock and generates an emergency state signal according to the emergency setting of the setting input unit; And And a communication unit receiving an emergency signal generated by the emergency signal generator and transmitting an emergency signal to a home network server and receiving a setting signal of door locking or opening from the home network server. The method of claim 1, Open setting in the setting input unit is made through a number input, access card contact or contactless input, or access card and security release setting input, The emergency setting is made by inputting a specific number different from the opening setting, an access card and a safety setting input, or an access card contact or non-contact input not including the security release setting so as to correspond to the opening setting, respectively. Digital door lock. The method of claim 2, A door lock main body including the setting input unit, a door locking unit, a door opening unit, an emergency state signal generating unit, and a communication unit and installed at a door; And And an emergency state release unit installed in the house spaced apart from the door lock body and releasing the emergency setting of the setting input unit. The communication unit transmits an emergency state release signal to the home network server according to the emergency setting release of the emergency state release unit, In the case of the security release setting applied to the open setting or the emergency setting, the digital door lock, characterized in that the security release setting is made by the emergency setting release of the emergency state release unit. An emergency setting input and a digital door lock according to any one of claims 1 to 3 for generating and transmitting an emergency state signal; A home network server that receives an emergency signal from the communication unit of the digital door lock to operate a home camera, stores an image captured by the home camera, and transmits the received emergency signal to a server; Receiving an emergency signal from the home network server, the server only transmits the emergency signal to the guard phone of the guard room or a network connected crime prevention agency or security company; And And a home camera which is operated by the home network server and photographs the situation of the house or the front door and transmits the photographed image to the home network server. The method of claim 4, wherein The home camera is a security system using a digital door lock, characterized in that it comprises at least one or more cameras of the home CCTV camera to shoot the house, a camera built in a home network server installed in the house, door phone camera to shoot the porch . The method of claim 5, wherein The emergency setting is released by opening the door closed after the emergency setting of the digital door lock inside the house or by the security release setting according to claim 2 or the release setting of the emergency state canceling unit according to claim 3, Upon release of the emergency setting, the digital door lock transmits an emergency release signal to the home network server, and the home network server transmits the release signal to the complex server according to the reception of the emergency release signal and operates the home camera. Security system using a digital door lock, characterized in that to stop. The method of claim 6, Security system using a digital door lock further comprises a common camera that is operated by the complex server and transmits the image taken to the complex server. The method of claim 6, When the home network server receives the emergency release signal before the preset time elapses after receiving the emergency signal, the home network server deletes the image taken by the home camera, If the home network server does not receive the emergency state release signal before a preset time elapses after receiving the emergency state signal, the home network server transmits the image received by the home camera to the complex server in real time, and the complex server is in real time. Security system using a digital door lock, characterized in that to transmit the received home camera image to the guard phone of the security room that is displayed in real time image or a network connected security institutions or security companies. In the security method of the security system using a digital door lock comprising a digital door lock, a home network server, a complex server and a home camera, (a) receiving an emergency setting from the digital door lock installed at the front door; (b) releasing the locked state of the digital door lock according to the emergency setting input and simultaneously generating an emergency signal and transmitting an emergency signal to a home network server; (c) receiving an emergency signal at the home network server to operate a home camera and transmitting the received emergency signal to the server only; (d) transmitting only the emergency signal received by the complex server to the guard phone of the security office or a network-connected security agency or a security company; (e) the home camera operated in the step (c) photographing the situation of the house or the front door and transmitting the captured image to the home network server; And and (f) storing, by the home network server, a home camera image transmitted in the step (e). The method of claim 9, The home camera is a security method using a digital door lock, characterized in that it comprises at least one or more cameras of the home CCTV camera to shoot the house, a camera built in a home network server installed in the house, door phone camera to shoot the porch . The method of claim 10, The opening setting of the digital door lock is made through number input, access card contact or non-contact input, or access card and security release setting input, The emergency setting in step (a) is performed by inputting a specific number different from the opening setting, an access card and a safety setting input, or an access card contact or non-contact input not including the security release setting so as to correspond to the opening setting, respectively. Security method using a digital door lock, characterized in that made. The method of claim 11, (b ') The emergency setting of step (b) is released and the digital door lock is released from the emergency by opening the door closed inside the house after step (b) or by releasing the emergency state release unit installed in the house. Transmitting a signal to the home network server; And (c ') after the step (b'), the home network server further comprising: transmitting the release signal to the complex server and stopping the home camera operation according to the emergency state release signal reception; In the case of the security release setting applied to the opening setting of the digital door lock or the emergency setting of the step (a), the security release setting is made by the emergency setting release of the emergency state release unit in the step (b '). Security method using a digital door lock. The method of claim 12, wherein after step (f) (f'-1) deleting the home camera image photographed by the home camera when the home network server receives the emergency release signal before a preset time elapses after the emergency signal is received in step (b ') ; And (f'-2) When the home network server does not receive the emergency release signal before a preset time elapses after receiving the emergency signal in step (b ') (f'-2a) transmitting the image received by the home network server to the complex server in real time; (f'-2b) the complex server transmits a home camera image received in real time to a security phone or a network-connected crime prevention agency or a security company of a security office displaying a video in real time; a digital door lock further comprising a Security method using.

Images