KR100948096B1 - Video Data Transmission And Interruption Management System Using TPC - Google Patents

Abstract

The present invention relates to a video information transmission and failure management system using a twisted pair cable, and more specifically, four cable piping wiring necessary for CCTV signal transmission is configured as a single twisted pair cable (TPC). Integrated video and data integrated surge protector, video / data / audio / line status / surge protector information display with LED, and NMS can remotely manage equipment abnormality / line condition abnormality in real time It relates to information transmission and fault management system.

TPC, Surge Protector, LED, NMS

Description

Video Data Transmission and Interruption Management System Using TPC using Twisted Pair Cable

The present invention relates to a video information transmission and failure management system using a twisted pair cable, and more specifically, four cable piping wiring necessary for CCTV signal transmission is configured as a single twisted pair cable (TPC). Built-in surge protector with integrated image and data, and displays video / data / audio / line status / surge protector information with LED, and video information for real-time management of equipment abnormality / line condition abnormality at remote site by NMS A transmission and fault management system.

The present invention can be applied to all areas to which a remote monitoring system using CCTV.

Conventional remote monitoring system using CCTV refers to a system configured to enable remote monitoring by transmitting data obtained through the transmitter-side CCTV equipment in real time to the receiver.

1 is a system configuration diagram schematically showing a conventional CCTV remote monitoring system.

Referring to FIG. 1, the conventional CCTV remote monitoring system requires four types of cable piping wiring for transmitting a video signal, a control signal, an audio signal, and an additional information signal when transmitting a CCTV signal, and is configured by connecting four types of cables. Therefore, not only the wiring structure is very complicated, but also there is a problem of being very vulnerable to noise by using a coaxial cable.

In addition, since the data surge protector and the video surge protector must be separately installed on the transmitter side and the receiver side in order to protect the surge for data and video, there is a problem that the configuration is very complicated and economically burdensome.

In addition, it is difficult to check whether there is an abnormality of equipment or a line because it is impossible to check the image / data / audio state and the line state, and there is a problem that it is difficult to efficiently manage the equipment and the line because it is not possible to know the abnormal state of the equipment or the line state at a remote location.

The present invention was derived to solve the above problems, the object of the present invention is a simple wiring structure for signal transmission using a twisted pair cable is very economical and constructability as well as transmission of image information resistant to noise And a problem management system.

In addition, another object of the present invention is to configure a video and data integrated surge protector can greatly reduce the production cost, and to transmit a video information transmission and failure management system that can check the status of the transmitter and receiver equipment and line conditions in real time To provide.

Further, another object of the present invention is to provide a video information transmission and failure management system that can check and manage the presence of equipment, line condition abnormality in a remote place.

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According to an aspect of the present invention, there is provided a configuration for solving the above-mentioned problems, including a floodlight for providing illumination to a camera and a camera for receiving audio and video signals, including a receiver for controlling a pen tilt, rotation, zoom, and focusing of the camera; A plurality of transmitters for transmitting a local video signal input to the camera; A plurality of receivers for monitoring an image signal received from the transmitter, transmitting an audio signal, a camera and a flood control signal to the transmitter to check NMS information in real time, and performing on-site control; A 4-pair twisted pair cable (TPC) for connecting the transmitter and the receiver to transmit an image signal and a control signal; A line concentrator connected to the receiver; And a management operation server connected to the circuit concentrator with a network to remotely manage the NMS information and the site control information received from the transmitter, and receiving an image signal from the camera, and receiving audio, flood lamps, and cameras from the receiver. A transmitter TPC transmission device capable of receiving a control signal of a transmitter, performing a line test function, displaying an additional information state value, and capable of long-distance transmission of NMS data; receiving a camera image signal from the transmitter TPC transmission device, A receiver TPC transmitting device for transmitting a control signal of an audio, flood light, and a camera, performing a line test function, displaying an additional information state value, and transmitting a long distance of NMS data; A computer terminal for displaying the NMS information received by the receiver TPC transmission device; A field controller for recording and displaying a video signal input from the receiver TPC transmission device and performing audio / illumination / camera control; The transmitter TPC transmitter includes a surge protector configured to integrate an image and data surge protector to block an abnormal voltage or surge component introduced from an equipment side, and the receiver TPC transmitter includes an abnormal voltage or surge component introduced from a line side. Built-in surge protector with integrated video and data surge protector to cut off the circuit, and simultaneously connects TPC cable to the test line terminals of the transmitter and receiver TPC transmitter for line test (line disconnection check), and the transmitter and receiver TPC It is characterized in that the line state through the display unit can be checked in real time by transmitting and receiving voltage high / low signals individually to four pairs of TPC cable through the line tester of the transmission device.

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As described through the above problem solving means, the image information transmission and failure management system according to the present invention has the following excellent effects.

1.TPC 4 pairs can transmit video, control, audio, and additional information, and it is strong against noise by noise cancellation of balanced transmission technology, equipment grounding and line grounding are possible by 1-point grounding, and video / data integrated surge protector Built-in surge resistance improves system quality.

2. As the wiring is completed by one RJ-45 connector connection, the time required for wiring is remarkably reduced, and the workability is very excellent because the standardized work can be applied by color coded cabling and wiring.

3. Since various cables are unnecessary, the facility cost according to piping and wiring cost is saved, and the economic efficiency is very excellent.

4. Real-time failure information can be obtained, so it can be quickly maintained and maintenance is improved by easy material management by using single cable.

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

2 is a system configuration diagram schematically showing a video information transmission and failure management system according to a preferred embodiment of the present invention, Figure 3 is a system configuration diagram further including a management operation server.

2 and 3, the image information transmission and failure management system according to the present invention monitors the video signal received from the transmitter 10 and the transmitter 10 for transmitting a local video signal input to the camera, audio / camera It may be configured to include a receiver 20 for transmitting a control / flood control signal to the transmitter to control the site.

In addition, it may be configured to further include a management operation server 30 connected to the network with the receiver to remotely manage the NMS information and field control information received from the transmitter. In addition, for collecting the NMS information transmission line aggregation device 40 for collecting the NMS information from a plurality of transmitters (for example, 16 channels) to transmit the data through the TCP / IP to the management operation server 30 further It can be configured to include. The configuration of the line concentration apparatus 40 and the management operation server 30 will be described in detail in the NMS system to be described later.

Here, the transmitter 10 and the receiver 20 need four cables for transmitting a video signal, an audio signal, a camera control signal, a flood control signal, etc. The present invention uses a four-pair twisted pair cable (TPC). And transmitting the signals.

In general, the coaxial cable used to transmit a signal is very vulnerable to noise because it is an unbalanced transmission method. Therefore, a repeater or amplifier must be included in the middle of a transmission path, but a twisted pair cable (TPC) is a balanced transmission method. Because it cancels out, it is very resistant to noise, so there is no need for a separate equipment for noise removal.

The transmitter 10 may include a camera 110, a flood lamp 120, a receiver 130, and a transmitter TPC transmitter 140.

More specifically, the camera 110 receives an image signal for transmitting a local image to the receiver.

In addition, the floodlight 120 plays a role of lighting of the camera in a dark environment, and the receiver 130 controls the pen tilt, rotation, zoom, and focusing of the camera.

In addition, the transmitter TPC transmission device 140 receives the camera video signal, receives the audio / flood control / camera control signal from the receiver and outputs, performs a line test function, and displays the additional information status value And integrated image and data surge protectors. More specific configuration of the transmitter TPC transmitter 140 will be described later.

The receiver 20 receives a camera image signal transmitted from the transmitter 10, outputs an audio / illumination light control / camera control signal to a transmitter, performs a line test function, and performs additional information state values. And input from the receiver TPC transmitter 210 having a built-in image and data surge protector and the computer terminal 220 expressing state values (NMS) received by the receiver TPC transmitter and the receiver TPC transmitter. It can be configured to include a field controller 230 for recording and displaying the video signal, and performs audio / flood light / camera control.

4 is a detailed block diagram of a video information transmission and failure management system according to a preferred embodiment of the present invention.

Referring to Figure 4 according to the preferred embodiment of the present invention will be described for each signal transmitted and received.

1. Video signal transmission and reception

The video signal is a signal transmitted from the transmitter 10 to the receiver 20.

The local video signal input from the camera 110 passes the surge protector 141 of the transmitter TPC transmission device to block the abnormal voltage or the surge component, and the image impedance of 75Ω is transmitted through the image impedance converter 142. Convert to 100Ω image impedance.

The impedance-amplified video signal is amplified so that the image amplifier can be transmitted over a long distance, and the amplified video signal is a second terminal of the receiver TPC transmitter through a four-pair TPC cable connected to the first terminal RJ45; 148. RJ45; 218). Here, the first and second terminals RJ45 (148, 218) is a TPC cable connection terminal, all signals are transmitted and received through it.

The video signal received through the second terminal (RJ45; 218) blocks an abnormal voltage or a surge component flowing from the line side through the surge protector 211, and provides an image impedance of 100Ω through the image impedance converter 212. Convert to 75Ω original video impedance. The impedance-converted video signal is stabilized in the image through the image amplifier, and the image signal is amplified and displayed on the monitor of the field controller 230.

2. Audio signal transmission and reception

The audio signal is a signal transmitted from the receiver 20 to the transmitter 10.

Surge protector 211 receives the audio signal from the audio input terminal of the receiver TPC transmitter through the field controller 230 of the receiver and converts the input impedance of 600 Ω into an impedance of 100 Ω for TPC balanced transmission by the audio impedance converter 213. The abnormal voltage or surge component is blocked through the second terminal and transmitted to the first terminal RJ45 (148) of the transmitter TPC transmitter through the second terminal (RJ45; 218).

The audio signal transmitted to the transmitter TPC transmitting device converts the input impedance of 100Ω into 600Ω, which is the original audio impedance, in the audio impedance converter 143 and outputs the audio output terminal through the surge protector 141.

3. Transmitting and receiving flood control signal

The floodlight control signal is a signal transmitted from the receiver 20 to the transmitter 10.

The floodlight control signal is inputted from the floodlight control signal input terminal of the receiver TPC transmitter through the field controller 230 of the receiver, and is transmitted through the surge protector 211 and the second terminal (RJ45; 218). It is transmitted to one terminal (RJ45) 148.

The floodlight control signal transmitted to the transmitter TPC transmission device 140 is output to the floodlight control signal output terminal through the surge protector 141 to control the floodlight 120.

4. Camera control signal transmission and reception

The camera control signal is a signal transmitted from the receiver 20 to the transmitter 10.

The camera control signal is input from the camera control signal input terminal of the receiver TPC transmission device through the field controller 230 of the receiver to amplify the signal to allow long-distance transmission from the data amplification unit, thereby providing a surge protector 211 and a second terminal RJ45. Through 218, it is transmitted to the first terminal RJ45 148 of the transmitter TPC transmission apparatus.

The camera control signal transmitted to the transmitter TPC transmission device 140 is amplified by the data amplifier and output to the camera control signal output terminal through the surge protector 141 to control the receiver 130.

5. Status display signal

The TPC transmitters 140 and 210 of the transmitter and the receiver recognize the normal and abnormal by the sensing processor 144 and 214, and the camera control signals are voltage values, and the surge protector loops the false signals. If no signal is received, the surge protector is broken.

CPU (145, 215) receives the signal of the sensing processing unit and transmits a detection signal to the display unit (147, 217), the display unit is composed of LED, according to the power, video, audio, flood light control, camera control, surge protector status value It can be expressed according to the CPU instruction.

5. Track test

For line test (line break check), TPC cables are simultaneously connected to the test lines RJ45 (149, 219) which are the third and fourth terminals of the transmitter and receiver TPC transmitters.

Subsequently, voltage high (5V) / low (0V) signals are individually transmitted and received to the four pairs of TPC cables through the line testers 146 and 216 of the TPC transmitters of the transmitter and the receiver. You can check the status in real time.

The receiver TPC transmitter may be connected to a plurality of transmitter TPC transmitters (eg, 16 channels), and an address of each transmitter TPC transmitter may be set through an address setting terminal. In addition, a serial communication terminal capable of serial communication (RS422) may be further included.

In addition, when the management operation server 30 is further configured, a data transmission and reception unit may be further included for Ethernet communication through the TCP / IP between the reception unit and the management operation server.

5 schematically illustrates an NMS system configuration according to a preferred embodiment of the present invention.

Referring to Figure 5, for the NMS communication may be configured to include a transmitter (multiple transmitter side TPC transmission device), a receiver (multiple receiver TPC transmission device), a line concentration device, the manager side (management operation server).

The circuit concentrator may be connected to a plurality of receiver TPC transmitters (for example, 16 channels), and collects all information of the connected receiver TPC transmitters into an NMS card through a management operation server and TCP / IP. Communication can be performed.

The line concentrator may include a function of determining whether a line is abnormal when a TPC cable is connected to a transmitter TPC transmitter and a linetase terminal for line inspection after the TPC cable is laid.

The NMS (Network Management System) information refers to information that collectively refers to local video signals, control signals, flood light control, and additional information about a plurality of transmitters (channels).

6 is an exemplary diagram of a displayed NMS information table according to a preferred embodiment of the present invention.

Here, the NMS information can be divided into video, data, surge, line (line information, line) and card (with or without channel card), TX means TPC transmitter, and RX means TPC receiver. Line is a line between the transmitter and the receiver, the card refers to the connection state of the RX channel card and the line concentrator.

In addition, FIG. 7 illustrates a communication process between the NMS HUB and the NMS S / W.

Referring to FIG. 7, in order to display the NMS information, the circuit concentrator periodically forwards the data sensed by the management operation server, and at this time, 16 channels (16 transmitter TPC transmitters) are transmitted one by one. 16 will be sent.

Here, the information of one channel may be composed of 8 bits (1 byte) of data, as shown in FIG. 8.

The NMS information transmitted as described above is transmitted to the management server of the management side through TCP / IP to check the equipment and line status in real time as shown in FIG. 9.

In this case, the manager side 30 is configured to include a management operation server 310, the management operation server 310 is a data transmission and reception unit 311 and the data for transmitting and receiving data through the TCP / IP with the receiver Including the CPU 313 for controlling the entire system of the equipment management unit 312 and the management operation server to perform the performance management, configuration management, failure management, environmental management of the equipment of the transmission unit through the data received through the transmission and reception unit Can be configured.

Here, the performance management is a performance management module that manages the presence of abnormalities of the equipment in real time to select and display the line focusing device to see the information, image information, data information, transmitter and receiver surge protector information of the selected line focusing device, Displays information on line abnormality and receiver card insertion information in real time.

For example, it may be controlled to be displayed in red or green in case of abnormality for each information, and may be controlled to generate an alarm when an event occurs.

In addition, the configuration management is the configuration management module manages the overall configuration of the equipment, it is possible to add, change, delete the line centralized devices, group the line centralized devices can be specified, IP, device name, device installation of the line centralized devices You can set the location and so on.

In addition, the fault management module displays the fault time and recovery time together with the occurrence of an alarm when a fault occurs in the equipment. The fault management module can output and search the fault history, and the segmentation search by fault type and time is possible. You can search for time and recovery time.

In addition, the environmental management module performs a function of setting the environment, such as the user's account, ID, password, user, and so on.

 Each module of the device management unit as described above may be implemented by a device management program.

 Although the detailed description of the present invention described above has been described with reference to the preferred embodiment of the present invention, the protection scope of the present invention is not limited to the above embodiment, and those skilled in the art will appreciate It will be understood that various modifications and changes can be made in the present invention without departing from the spirit and scope of the invention.

1 is a system configuration diagram schematically showing a remote monitoring system using a conventional CCTV.

2 is a system configuration diagram schematically showing a video information transmission and failure management system according to a preferred embodiment of the present invention, Figure 3 is a system configuration diagram further including a management operation server.

4 is a detailed block diagram of a video information transmission and failure management system according to a preferred embodiment of the present invention.

5 is a configuration diagram of an NMS system according to a preferred embodiment of the present invention.

6 illustrates an NMS data table according to a preferred embodiment of the present invention.

7 illustrates an NMS communication protocol according to a preferred embodiment of the present invention.

8 illustrates an NMS data structure for one channel according to a preferred embodiment of the present invention.

9 is an exemplary view showing an NMS program screen according to a preferred embodiment of the present invention.

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

10: transmitter 110: camera

120: floodlight 130: receiver

140: transmitter TPC transmitter 20: receiver

210: receiver TPC transmission device 220: PC terminal

230: field controller 30: management

310: management operation server 40: line concentration device

Claims (14)

A camera that receives voice and video signals, including a flood light that provides illumination to the camera and a receiver that controls the pen tilt, rotation, zoom, and focusing of the camera; A plurality of transmitters for transmitting a local video signal input to the camera; A plurality of receivers for monitoring an image signal received from the transmitter, transmitting an audio signal, a camera and a flood control signal to the transmitter to check NMS information in real time, and performing on-site control; A 4-pair twisted pair cable (TPC) for connecting the transmitter and the receiver to transmit an image signal and a control signal; A line concentrator connected to the receiver; And a management operation server connected to the circuit concentrating device through a network to remotely manage NMS information and field control information received from the transmitter. The video signal is input from the camera through the first terminal, the audio, flood lamp, and the control signal of the camera are transmitted from the receiver, the line test function is performed, the additional information status value is displayed, and the long distance transmission of the NMS data is performed. Possible transmitter TPC transmission device; The camera receives a video signal from the transmitter TPC through a second terminal, transmits a control signal of an audio, a flood lamp, and a camera to the transmitter, performs a line test function, displays an additional information state value, and NMS. Receiving unit TPC transmission device capable of long-distance transmission of data; A computer terminal for displaying the NMS information received by the receiver TPC transmission device; A field controller for recording and displaying a video signal input from the receiver TPC transmission device and performing audio / illumination / camera control; The transmitter TPC transmission device has a built-in surge protector integrated with the image and data surge protector to block the abnormal voltage or surge components flowing from the equipment side, The receiver TPC transmission device has a built-in surge protector integrated with the image and data surge protector to block the abnormal voltage or surge components flowing from the line side, TPC cables are simultaneously connected to the test line terminals (third and fourth terminals) of the transmitter and receiver TPC transmitters for line test (line disconnection check), and the TPC cables are connected to the line testers of the transmitter and receiver TPC transmitters. Surveillance information transmission and fault management system, characterized in that the line state can be checked in real time through the display unit by transmitting and receiving voltage high / low signals individually to the four pairs. delete delete delete The apparatus of claim 1, wherein the transmitter TPC transmitter, An image impedance converter for converting an image impedance of 75Ω to 100Ω; A voice impedance converter for converting a voice impedance of 100Ω to 600Ω; A sensing processor for recognizing an additional state of an audio, flood control signal, video signal, data signal, and surge protector; A display unit configured to display an additional state recognized by the sensing processor; a CPU configured to receive a signal from the sensing processor and transmit a detection signal to the display unit; A line tester for checking a line break by transmitting and receiving a high / low signal individually to 4 pairs of TPC cables; A first terminal RJ45 connected to a TPC cable to transmit and receive data to and from the receiver; Surveillance information transmission and failure management system, characterized in that it comprises a third terminal (RJ45) is connected to the test line for the line disconnection check. The apparatus of claim 5, wherein the receiver TPC transmission device comprises: An image impedance converter for converting a balanced transmission impedance of 100 Ω into an original image impedance of 75 Ω; A voice impedance converter for converting a voice impedance of 600 Ω to 100 Ω, which is a line impedance of a TPC cable; A line tester for transmitting and displaying high / low signals separately on 4 pairs of TPC cables to check line breaks; A sensing processor for recognizing an additional state of an audio, flood control signal, video signal, data signal, and surge protector; A display unit which displays the additional state recognized by the sensing processor; A second terminal RJ45 connected to a plurality of transmitters to transmit and receive data; A fourth terminal (RJ45) to which a test line for checking the line break is connected; An address setting terminal for setting addresses for a plurality of transmitters to be connected; And a CPU for receiving a signal from the sensing processor and transmitting a detection signal to the display unit and controlling serial communication and an address. delete The apparatus of claim 5 or 6, wherein the transmitter and the receiver TPC transmitter, Image, audio, flood light control, camera control signal by the sensing processing unit recognizes the normal and abnormal as the voltage value, The state of the surge protector loops the false signal and recognizes that the surge protector is broken if no signal is received. The CPU receives a signal from the sensing processing unit and transmits a detection signal to a display unit, and the display unit is composed of LEDs. The CPU is red and green according to power, video, audio, flood light control, camera control, and surge protector state values. Image information transmission and failure management system, characterized in that expressed according to the command. delete The method of claim 8, wherein the management operation server, A data transceiver for transmitting / receiving NMS information with the receiver through TCP / IP; An equipment management unit which integrally performs performance management, configuration management, failure management, and environmental management of transmitter equipment through the NMS data received through the data transceiver; Image information transmission and failure management system comprising a; CPU for controlling the entire system of the management operation server. The method of claim 10, wherein the equipment management unit, By selecting and displaying the line focusing device to see the information by managing the abnormality of the equipment in real time, the image information, data information, transmitter and receiver surge protector information, line abnormality information, receiver card insertion information of the selected line focusing device. A performance management module for displaying the lights in real time; By managing the overall configuration of the equipment, it is possible to add, change, and delete line centralized devices, group and assign line centralized devices, and set IP, device name, device installation location, etc. of line centralized devices. A configuration management module; It expresses failure time and recovery time together with alarm occurrence when equipment failure occurs, and it can output and search the history of failure, segmented search by type of failure and time, and fault management that retrieves failure time and recovery time. A module; Image information transmission and failure management system, characterized in that it comprises an environment management module that performs a function for setting the environment of the user's account, ID, password, user rating and the like. 12. The apparatus of claim 11, wherein the line concentration device is Image information transmission and failure management system, characterized in that connected to a plurality of receiving unit TPC transmission device to collect all the NMS information to the NMS card to the management operation server. 13. The apparatus of claim 12, wherein the line concentration device is Image information transmission and failure management system, characterized in that for determining whether there is a line abnormality by connecting the TPC cable to the specific receiver TPC transmission device and the line test terminal. The apparatus of claim 13, wherein the receiver TPC transmission device comprises: Image information transmission and failure management system further comprises a data transmission and reception unit capable of transmitting and receiving NMS information via the management operation server and TCP / IP.

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