KR100685813B1 - Apparatus for controlling door using server pc and camera and interphone and method thereof - Google Patents

Abstract

The present invention provides a door control apparatus for remotely controlling a door by a visitor calling a user using an interphone installed at the door side and then the user inputting a door opening code through an internal telephone. A camera installed at one side to collect image information of the visitor; It is connected to the door control device to transmit and receive the extension number input by the visitor, transmit the image data collected from the camera, store and display the transmitted image data and the extension number, and match the IP address of the plurality of extension numbers. A server PC device for retrieving an IP address corresponding to the extension number when the extension number is transmitted, and transmitting to the door control device when an electric control signal, which is a command signal of whether the user opens or closes the door, is input; And a plurality of internal PCs that display the image data when the image data is transmitted from the server PC apparatus to the IP address matched with the extension number. The displayed visitor can be checked, and the user can remotely control the door by inputting the door opening code using the dial button of the internal telephone or by using the door opening button of the internal PC. Labor costs can be reduced, and images of all visitors are stored on the server PC device, which can be used as evidence in the event of future problems.

Description

Access control device using server PC, camera and interphone and control method {APPARATUS FOR CONTROLLING DOOR USING SERVER PC AND CAMERA AND INTERPHONE AND METHOD THEREOF}

1 is a view showing an access control system using a camera and an interphone according to the present invention,

Figure 2 is a detailed block diagram showing a door control device and a server PC device according to the present invention,

3 is a flowchart illustrating an operation process of FIG. 2 according to an embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

100: interphone 200: camera

300: door control device 400: private exchange

500: server PC device 510: amplification unit

520: A / D converter 530: CPU

540: key input unit 550: memory unit

560: display unit 600: internal communication device

610, 630, 650: Internal PC 620, 640, 660: Internal Phone

The present invention relates to a door access control system using a server PC, a camera and an interphone, and a control method thereof. When a visitor calls a user using an interphone installed in a door, the user checks the visitor displayed on the internal PC, and then calls the internal telephone. By opening the door remotely by inputting the opening code of the door through the door, the door can be opened or closed using an external telephone or the phone can be blocked from talking to the outside using the interphone, thereby further enhancing the security function. Regarding the access control device using the server PC, the camera and the interphone, and the control method thereof, which can solve the problems caused when the door is opened using only the internal telephone by controlling the door opening and reception by receiving the electrostatic control signal through the PC device. will be.

Recently, many companies have set up access control system to control the access of outsiders or to manage the access of users, and have strengthened the access control means to selectively restrict the access of employees for corporate secret protection.

Therefore, all accessors must have an access card, remember a preset password, or have a certain verification means to be freely accessible. In some cases, permission must be obtained every time they enter.

In the related art, when the accessor identification means is held, the door control unit opens the door by determining whether the accessor identification means matches the value stored in the storage device.

However, if the user does not have an accessor identification means or is a visitor, when an internal user's extension number is dialed through the key input unit of the access control terminal and a call is made with the user, the user enters a password for remotely controlling the access control terminal through the internal telephone. When pressed, the control unit detects an input signal of the internal telephone and is configured to open the door.

In the conventional access control device configured as described above, the visitor talks to the user through the interphone, and the internal user opens the door as the user inputs a preset door opening code through the internal telephone, but the specific person calls outside using the interphone. Or, a person who knows the access password may open or close the door by accessing a key input unit using an interphone, and there may be a serious problem in security control because the user does not have a visual confirmation of the visitor. .

Therefore, the present invention has been made to solve the above-mentioned conventional problems, when the visitor calls the internal user using the interphone installed on the door side, the user checks the visitor displayed through the internal PC and the internal telephone Enter the door opening code through the dial button on the door, or use the door opening button on the internal PC (for example, the door opening button in a program that displays an image on the internal PC or the shortcut key on the key input unit). Remote control of the door by inputting the signal, and the images of all visitors are stored in the server PC device, which can be used as evidence for future intruders, and the access control device and its control method can greatly strengthen security matters. The purpose is to provide.

In order to achieve the above object, the technical means of the present invention is a door control device for remotely controlling the door by the user enters the door opening code through the internal telephone after the visitor calls the user using the interphone installed on the door side A camera installed at one side of the interphone to collect visual information of the visitor to visually monitor the visitor; It is connected to the door control device to transmit and receive the extension number input by the visitor, transmit the image data collected from the camera, store and display the transmitted image data and the extension number, and match the IP address of the plurality of extension numbers. A server PC device for retrieving an IP address on a network corresponding to the extension number when the extension number is transmitted, and transmitting to the door control device when an electric control signal, which is a command signal of whether the user opens or closes the door; And a plurality of internal PCs displaying the image data when the image data is transmitted from the server PC apparatus to the IP address matched with the extension number.

In addition, in order to achieve the above object, the technical method of the present invention, in the case of a ring signal for connecting to an interphone through a public telephone network using an external telephone, prevents the interphone from being connected to the interphone through a ring blocking unit of the door control device. In the case that the number entered in the external access number is blocked by the intercom network to prevent calls from outside the interphone, and displays the video of the visitor by opening the door by entering the door opening code in the internal telephone in the method of opening and closing the door, Setting a door opening code to be opened and an automatic closing time when the door is opened to the door control device, and initializing the server PC device; When the extension number is input through the interphone, turning on the camera to collect image data, and store and display the image data in the server PC device; If the extension number of the internal user detected above is connected to the internal telephone corresponding to the extension number to maintain the call, the server PC device stores and displays the transmitted extension number and searches for the IP address that matches the extension number. Transmitting the visitor's image data to an internal PC having an IP address and confirming the image displayed on the internal PC by the user; Controlling access when the visitor is determined to be inaccessible from the user; When the visitor from the user is a person who can access the door, the door opening control signal is transmitted to the door control device when the door opening code input by the internal telephone matches the preset code or when the electrostatic control signal is input from the corresponding internal PC to the server PC device. Doing; Outputting a door open melody to an interphone and an internal telephone when the door is opened, turning off the camera, and blocking the transmission of image data; Outputting a code error melody to the interphone and the internal telephone when the door opening code and the preset code are not matched with each other; And closing the door when the automatic closing time of the door preset in the door control device has elapsed.

Hereinafter, an access control apparatus using a server PC, a camera, and an interphone according to the present invention and a control method thereof will be described in detail with reference to the accompanying drawings.

1 is a view illustrating an access control system using a camera and an interphone according to the present invention, an interphone 100, a camera 200, a door control device 300, a private exchange 400, a server device 500, and an interior thereof. It consists of a communication device (600).

The interphone 100 is installed outside the door (that is, the door) 10 so that the visitor can call and call the internal user and transmits the extension number input by the visitor to the door control device, and the camera 200. In order to visually and accurately recognize the front of the visitor, the behavior of the visitor and the number of visitors in the preset surveillance area, the image data is collected and transmitted to the server PC device 500, and the door control device (for example, CAPS- 764)

300 is installed between the intercom 100 and the private exchange 400 to receive the door opening code input from the internal telephone (620, 640, 660) to control the opening and closing of the door and the number entered through the interphone (100) Is an external number or when the call to the interphone 100 from the outside is configured to automatically cut off the interphone network, private exchange 400 according to the signal transmitted from the external interphone (100) Automatically connected to the telephone (620, 640, 660), and transmits the ring signal transmitted from the public telephone network 40 to the door control device 300, the server PC device 500 is a camera 200 to collect the visitor's image Save and display the image data received from the) and the extension number corresponding to the image data transmitted from the door control device 300, the IP address matched with a specific extension phone number is stored in the extension number Search the corresponding IP address and transmit the visitor's video data to the user's internal PC (610, 630, 650), the internal communication device 600 is a telephone and the internal PC (for example, microprocessor, memory and storage) Medium, a monitor, etc.), by using a user's internal telephone (620, 640, 660) to talk to the visitor and then input a predetermined door opening code to control the electricity and transmit it to the door control device 300, The user executes a specific button (for example, a door open button in a program for displaying an image on an internal PC or a shortcut key in a key input unit), thereby connecting a static electricity control signal to a network via a LAN. Instructs to display the image data transmitted from the server PC device 500 to the internal PC matched with the extension number and IP address, the door opening and closing device (not shown) It consists of an electric locking means for opening or closing the door 10 in accordance with the door open control signal output from the control device (300).

In addition, the internal PC (610, 630, 650) of the internal communication device 600 is displayed an operation program for image display, the operation program for image display is to execute a function to instruct a specific operation in addition to the display function and its function. More buttons should be included.

For example, when a user is called through an internal telephone (620, 640, 660), the visitor with a connection function button for executing the program to display the image of the visitor on the internal PC (610, 630, 650) to confirm the visitor Door open button to open the door 10 without using the dial button of the internal telephone when the person can enter and exit, and when the user goes out, the monitor (610, 630, 650) of other users in the server PC device 500 It includes a go out function button to transmit and display the image data, and a return function button indicating the release of the outgoing mode, and an emergency function button to call a known telephone number in case of emergency.

That is, the user visually recognizes the visitor's image transmitted through the camera 200 in the internal PCs 610, 630, and 650 once more to open and close the door 10, and attempts to intrude the visitor during the visitor's confirmation process. When the emergency situation occurs, by selecting the emergency button calls the phone of a predetermined police station or security company provides a door control device 300 to further strengthen the security function.

2 is a detailed block diagram illustrating a door control device and a server PC device according to the present invention. The door control device 300 includes an extension number detection unit 330, a ring detection unit 340, an interphone blocking unit 310, and a ring blocking unit. And a door opening / closing drive unit 380 and a door control unit 350, and the server PC device 500 includes an amplifier 510, an A / D converter 520, a CPU 530, a key input unit ( 540, a memory unit 550, a display unit 560, and the like.

In the door control device 300, the extension number detection unit 330 is composed of a comparator and a logic element for detecting the extension number signal input to the interphone 100, and the ring detection unit 340 is a public telephone network 40 or private network. It is composed of circuits such as a photocoupler and an inverting amplifier for detecting a ring signal connected to the interphone 100 from the switch 400, and the interphone blocking unit 310 is installed on the input terminal side of the interphone 100 so that the interphone ( When the external number is called at 100), the switching device and the circuits are configured such as a relay to automatically cut off the output terminal of the interphone 100 operated according to a predetermined control signal, and the ring blocking unit 320 is an interphone blocking unit. Switching device and reel that is connected in series with the 310 and the ring signal for calling the intercom 100 from the private exchange 400 is operated according to a predetermined control signal to automatically cut off the input terminal of the interphone 100 It is composed of a circuit such as a ray, the door opening and closing drive unit 380 is operated by a control signal according to the door opening code is input from the internal telephone 620 is a predetermined power to the door opening and closing device (not shown) It is composed of circuits such as switching elements and relays to supply the door to open the door 10.

In addition, the door controller 300 receives the signal output from the extension number detecting unit 330 or the ring detecting unit 340 to determine the case where the intercom 100 calls to the outside or calls the interphone 100 from the outside. Blocking the call connection by opening / closing the blocking unit or ring blocking unit, and when the door opening code is input from the internal telephone through the extension number detection unit, the door opening control unit 380 outputs a door opening control signal after comparing with the preset code. It consists of a microprocessor.

In addition, reference numeral 360 is a code setting unit for inputting and changing the door opening code, and reference numeral 370 is a rotary switch for setting the opening and closing time for setting the automatic opening and closing time when the door 10 is opened. The door control unit 300 updates the door opening code and the opening / closing time data inputted from the code setting unit 360 and the opening / closing time setting unit 370 to the internal memory so that the user needs the door opening code and the door opening / closing time. If the door opening code input from the internal telephone 620 is correct, the melody or the door opening code notifying the door opening according to the control signal of the door control unit 300 does not match. The code error melody is a melody transmission unit for transmitting the interphone 100 and the internal telephone 620, respectively.

In the server PC device 500, the amplifier 510 receives the image data signal collected by the camera 200 and amplifies the signal to a predetermined size, and the A / D converter 520 is amplified by the amplifier 510. The video signal is converted into a digital signal that can be processed, and the CPU 530 calculates, stores, and displays the digitally converted video data, stores an IP address matched with a plurality of extension number signals, and inputs the extension number through an interphone. When the IP address corresponding to the extension number is retrieved, the image data is transmitted to the internal PC of which the corresponding IP address is set, the door control unit 350 instructs to store and display the transmitted extension number, and the internal communication device 600 The transmission control signal is transmitted to the door control device 300 connected with the communication cable, the key input unit 540 is a key signal for instructing the CPU 530 to perform a specific operation by the user operating a specific key. The memory unit 550 stores an operation program for storing various data applied from the CPU 530 and displaying image data, and the display unit 560 stores image data collected through the camera 200. An image is displayed for visual confirmation according to a control signal applied from the CPU 530.

3 is a flowchart illustrating an operation of FIG. 2 according to an embodiment of the present invention, referring to FIGS. 1 to 2.

First, a predetermined door opening code is input to the code setting unit 360 to set the door opening code to the internal memory of the door control unit 300, and the opening time of the door 10 is input to the opening / closing time setting unit 370. The opening and closing time is set in the internal memory of the door control unit 300, and the camera 200 and the server PC device 500 are initialized (S1). For example, the door opening code can be composed of a combination of function keys (* or #) and numeric keys of the telephone.

Thereafter, the extension number signal or ring signal input from the interphone 100 or the public telephone network 40 installed outside the door 10 is detected through the extension number detector 330 and the ring detector 340, respectively, and then the door controller 350 The door control unit 350 receives the signal of the detected extension number and compares it with the extension number preset in the memory.

If the detected extension number signal is not a previously stored extension number, it is determined whether the intercom 100 is a call connection number to be connected to the outside. If the extension number signal is to be connected to the outside, the control signal is output to the interphone blocking unit 310. By intercepting the interphone network to prevent the intercom 100 from talking to the outside.

On the other hand, the door control unit 350 outputs a control signal to the ring blocking unit 320 when a ring signal connected to the interphone 100 through the public telephone network 40 from the outside through the ring detector 340 is detected. Blocking the intercom network prevents access to the intercom through the public telephone network 40.

In addition, the door controller 350 turns on the power of the camera 200 when the result of comparing the detected extension number signal is stored in advance (S2) and the door control device 300 stores the extension number on the server PC. The camera 200 transmits the collected image data to the server PC device 500, and displays the visitor's image and the extension number on the display unit 560 of the server PC device 500. The server PC device 500 stores the image and the extension number corresponding to the extension number (S3), retrieves the IP address matched with the extension number, and transmits the image data to the internal PC having the corresponding IP address, and the private exchange ( The interphone 100 and the internal telephones 620, 640, 660 are connected through 400 to call the user through the internal telephones 620, 640, 660 to maintain a call and to maintain the internal PC in the server PC device 500. Image data is transmitted to the display (610, 630, 650) is displayed (S4).

If the user is absent, the private telephone 400 connects the interphone 100 and any user's internal telephones 620, 640, and 660, and the CPU 530 of the server PC apparatus 500 The image data is transmitted to the internal PCs 610, 630, and 650 so as to be displayed (S4).

The visitor talks to the user or any user through the interphone 100, and the user checks the identity of the visitor through the monitor of the phone and the internal PC on which the video of the visitor is displayed (S5), and then allows the access to the internal phone. Through the input of a predetermined door opening code or through the door open button of the video display program of the internal PC (S6). If the visitor is a person who should not be allowed access, control access. For example, the door opening code can be configured with a combination of function keys such as * 80 or # 25 and a 2-digit numeric key.

If the door opening code input from the user is input to the door control unit 350 through the private exchange 400, the door control unit 350 compares with the code previously stored in the memory to determine whether it matches (S7) and then matches. Alternatively, when the door open button is executed and the electrostatic control signal is transmitted to the door control device through the server PC device, the melody output unit 390 outputs a control signal to inform the door opening that the melody is interphone 100 and the internal telephone 620. , 640 and 660, respectively, and outputs the door opening control signal to the door opening and closing driver 380. Accordingly, the door opening and closing driver 380 is operated according to the control signal of the door control unit 350 to supply power to the door opening and closing device 800 to automatically open the door 10 and to turn off the power of the camera 200. When a control signal for terminating a program displaying the visitor's image is transmitted to the server PC apparatus 500, the CPU 530 of the server PC apparatus 500 blocks the image data of the visitor transmitted to the internal PC (S9). do.

On the other hand, if the code does not match in the process of comparing the input code and the stored code, the door controller 350 outputs a control signal to the melody transmitter 390 and the melody transmitter 390 is a code The melody indicating the input error is output to the interphone 100 and the internal telephone 620, respectively (S8). Thereafter, the user can reset the code input by pressing a predetermined key of the internal telephone, for example, a function key (* or #), and then input the door opening code again.

Subsequently, the door control unit 350 determines whether the door opening / closing time corresponding to a few seconds to several tens of seconds set in the memory after the door is opened (S10), and controls the door opening / closing driving unit 380 when the setting time has elapsed (S10). The door is automatically closed (S11) by cutting off the power supplied to the 800.

While specific embodiments of the present invention have been described and illustrated above, it will be apparent that the present invention may be embodied in various modifications by those skilled in the art. Such modified embodiments should not be individually understood from the technical spirit or the prospect of the invention, but should fall within the claims appended to the present invention.

As described in detail above, according to the apparatus using the camera and the interphone according to the present invention and a control method thereof, when the visitor calls an internal user using the interphone installed at the door side, the user displays the front and the visitor of the visitor displayed through the monitor. The number of visitors can be precisely recognized and the user can remotely control the door by entering the door opening code through the dial button of the internal telephone. When transmitted to the control device can be double security by opening and closing the door according to the control signal, there is no need to place a separate security personnel on the door, there is an advantage that can reduce the administrative cost.

In addition, the extension number corresponding to the image and the image of all visitors are stored in the server PC device can be confirmed later to further enhance the security function, it can significantly reduce the concern for visitors or intruders.

Claims (3)

It is equipped with a camera installed on one side of the interphone to visually monitor the visitor to collect the visitor's video information, and after the visitor calls the user using the interphone installed on the door side, the user opens the door through the internal telephone In the door control device for remotely controlling the door by entering a code, Interconnected with the door control device transmits and receives the extension number input by the visitor, the image data collected by the camera is transmitted, and stores and displays the transmitted image data and the extension number, and matches a plurality of extension number signals When the extension number is transmitted, the IP address corresponding to the extension number is searched and the image data is transmitted to the PC corresponding to the searched IP address, and the electric control signal, which is a command signal of the user's door opening or closing, is inputted. When the server PC device for transmitting to the door control device; And When the image data is transmitted to the IP address retrieved from the server PC device, a plurality of images are displayed by executing a preset image display operation program and transmitting the electrostatic control signal input by the user to the server PC device. Access control device using a server PC and the camera and the interphone, further comprising; an internal PC. The method according to claim 1, wherein the server PC device An amplifier for amplifying the image data signal transmitted from the camera to a predetermined size; An A / D converter converting the amplified image data signal into a digital signal; The video data signal converted into the digital signal is processed and stored and stored, the extension number transmitted from the door control device is stored and displayed, and the IP address matched with the extension number is stored so that the corresponding IP address is stored. A CPU for transmitting image data of the visitor to the internal PC, and transmitting an electric lock control signal of whether the user opens the door transmitted from the internal PC to the door control device; A key input unit for transmitting a key signal instructing the CPU to perform a specific operation; A memory unit for storing various data applied from the CPU and storing an operation program for displaying image data and a door opening instruction button; And And a display unit configured to display the operation program according to a control signal applied from the CPU and to display data corresponding to the instruction of the CPU. In the case of a ring signal connecting to an intercom through a public telephone network using an external telephone, the intercom network is prevented from being connected to the intercom through the ring blocking unit of the door control device. In the method of preventing the outside call from the intercom, the image of the visitor and opening and closing the entrance door of the lobby / entrance by entering the door opening code in the internal telephone, Setting a door opening code for opening the door and an automatic closing time when the door is opened to the door control device, and initializing the server PC device; When the extension number is input through the interphone, powering on the camera to collect image data and transmitting the extension number and image data to the server PC apparatus; If the transmitted extension number is an internal user's extension number, the internal PC corresponding to the extension number is connected to maintain the call, and the server PC device stores and displays the transmitted image data and the extension number by executing an operation program. Searching for an IP address matching the extension number and transmitting the visitor's image data to an internal PC to which the corresponding IP address is assigned; Displaying an image of a visitor transmitted from the server PC device while executing an operation program of the internal PC; Controlling access when the visitor is determined to be inaccessible from the user; Inputting a door opening code into an internal telephone or inputting an electrostatic control signal through an operation program of the internal PC when it is determined that the visitor is an accessible person from the user; When the user inputs the door opening code to the internal telephone, the door control apparatus determines whether the input door opening code matches a preset code, and if not, sets the code error melody to the interphone and the internal telephone. Outputting, and opening the door according to the control of the door control apparatus if it matches. If an electric static control signal is input to the server PC device, transmitting a door opening control signal to the door control device, and opening the door according to the control of the door control device; Outputting a door open melody to an interphone and an internal telephone when the door is opened, turning off the camera, and blocking the transmission of image data to the internal PC; And And closing the door when the automatic closing time of the door preset in the door control device has elapsed.

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