KR100635100B1 - Fire field automatic video recording control system and method using satellite communication - Google Patents

Abstract

A system and a method for controlling automatic recording of the scene of fire using satellite communication are provided to forcibly finish the current channel when a video/audio signal of emergency fire situation is inputted and display and auto-record the video/audio signal to automatically secure video/audio data of the fire situation. A system for controlling automatic recording of the scene of fire using satellite communication includes a fire scene system(100) and an automatic recording controller(200). The fire scene system includes a photographing unit(110) for photographing a fire scene and extinguishing state, an audio recorder(120) for recording sounds around the fire, and a satellite transmitter(130) for modulating video and audio signals obtained by the photographing unit and the audio recorder and transmitting the modulated signals through satellite communication. The automatic recording controller demodulates the video and audio signals transmitted through satellite communication and immediately displays and auto-records the demodulated video and audio signals.

Description

Fire field automatic recording control system and method using satellite communication {FIRE FIELD AUTOMATIC VIDEO RECORDING CONTROL SYSTEM AND METHOD USING SATELLITE COMMUNICATION}

1 is a schematic block diagram of an automatic recording control system according to the present invention;

2 is a flowchart showing an automatic recording control method according to the present invention;

3 is a flowchart illustrating a process of transmitting the video / audio signal shown in FIG. 2 to satellite communication in more detail.

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

100: fire field system 130: satellite transmission means

200: Automatic recording control device 220: A / V distributor

230: control unit 235: image output unit

240: audio output unit 245: recording unit

The present invention relates to an automatic recording control system, and more particularly, to a fire scene automatic recording control system and method using a satellite communication for displaying and automatically recording the image of the fire scene transmitted through the satellite communication.

As the technological level of the world is becoming more advanced and ubiquitous, the convenience of life is provided and the unmanned system is developed, along with the development of modern society. The rate of natural disasters such as tsunamis and floods and disasters caused by counter-terrorism is increasing rapidly. These disasters and disasters do not end only with the phenomenon, but if they lose their ability to respond quickly and appropriately, they are threatening our lives by connecting them to second and third human resources. Therefore, a disaster management system using satellites has been established as a way to cope with emergencies quickly and accurately in the event of various unforeseen disasters, disasters and counter-terrorism.

In other words, when various disasters and disasters occur, prompt situation determination and response are the most important. When disasters and disasters occur, rescue vehicles are immediately dispatched to the site, and the situation is transmitted through satellite, and the situation room is based on the image transmitted from the rescue vehicle. It is desirable to ensure that disaster and disaster relief is achieved by promptly determining and promptly sending command orders to rescue vehicles and related agencies. However, the fire protection system, which is an example of a disaster and disaster management system, is not implemented at present, and thus, in the event of a fire, the situation room can only check the fire scene through news of each broadcasting station. Unable to identify fire and extinguishing sites in real time.

In addition, the conventional fire control system does not have a forced channel switching function, there is a problem that can not automatically spread and display the emergency fire situation when watching a different channel in the situation room.

The present invention was devised to solve the problems of the prior art as described above, and an object of the present invention is to forcibly terminate an existing channel when a video / audio signal of an emergency fire situation is input and prioritize the video / audio signal of a fire situation. The present invention provides a fire scene automatic recording control system and method using satellite communication that can be displayed and recorded automatically, and can automatically obtain video / audio data of a fire situation.

Fire scene automatic recording control system using satellite communication according to an embodiment of the present invention for achieving the above object,

Shooting unit to record the fire situation and the fire situation, voice recording unit to record the voice around the fire situation, satellite transmission to modulate the video / audio signal recorded and recorded by the recording unit and the voice recording unit to transmit to satellite communication A fire field system comprising means; Automatic recording control device for demodulating the video / audio signal is transmitted from the satellite communication, and immediately displaying the demodulated video / audio signal and the automatic recording;
A satellite receiver for receiving video / audio signals transmitted from satellite communications, a demodulator for demodulating the video / audio signals received from the satellite receiver and separating the video / audio signals into video and audio signals, and a video / audio signal separated from the demodulator Is an audio / video (A / V) splitter that outputs a signal detection signal and divides and outputs the separated video / audio signal into a plurality of video and audio signals. Fire occurrence detection unit that outputs a fire occurrence signal, and emergency fire occurrence signal is input from the fire occurrence detection unit to terminate the existing channel to display the video / audio signal input to the A / V splitter first and then A control unit for controlling the display of the signal, a video output unit for displaying the video signal input from the A / V distributor according to the switching control signal of the control unit, and the control When the audio output unit for outputting a voice signal input from the A / V splitter according to the switching control signal, from the A / V splitter video / audio signal is input, it characterized in that it comprises an automatic recording for recording.

Therefore, according to the characteristics of the present invention as described above, when the video / audio signal of the fire and extinguishing situation is input, the existing channel is forcibly terminated, and the video / audio signal is preferentially displayed to immediately respond to the fire situation. Damage can be minimized.

In addition, the fire scene automatic recording control method using satellite communication according to an embodiment of the present invention,

A first step of modulating a video / audio signal photographed and recorded in a fire field system for recording a fire situation and an extinguishing situation and recording a voice around the fire situation; A second step of demodulating the video / audio signal in an automatic recording control device which receives the video / audio signal from the satellite communication and determining whether there is a channel capable of preferentially displaying the demodulated video / audio signal; As a result of the determination in the second step, if there is a channel capable of preferentially displaying the video / audio signal, the video / audio signal is displayed and automatically recorded. If the channel does not exist, the existing channel is forcibly terminated and the video / audio And a third step of preferentially displaying and automatically recording the signal.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, if it is determined that a detailed description of related known functions or configurations may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

1 is a schematic block diagram of an automatic recording control system according to the present invention.

As shown in FIG. 1, an automatic fire scene control system using satellite communication according to an embodiment of the present invention captures a fire and an extinguishing situation and records a voice of the surroundings to record an image / audio signal. Fire field system 100 to transmit through the satellite communication, and the video / audio signal transmitted from the fire field system 100 through the satellite communication to the automatic recording control device 200 to display and automatically record it first It is composed.

More specifically, the fire site system 100 may be installed in, for example, a fire truck and may be mounted on a firefighter by miniaturizing the system. The fire field system 100 is largely photographing unit 110 for photographing the fire situation and the fire situation, the voice recording unit 120 for recording the voice around the fire situation, the recording unit 110 and the voice recording unit ( It is composed of a satellite transmission means 130 for transmitting the video / audio signal photographed and recorded in the 120 to the satellite communication.

The photographing unit 110 and the voice recording unit 120 are fixed at a predetermined position of the fire truck, for example, similar to a broadcasting camera, so that the user can record a fire situation from outside or record a voice around the fire situation. You can even film the evolution as the firefighters move or record voices around it. The satellite transmitter 130 is a means for transmitting the video / audio signal photographed and recorded by the photographing unit 110 and the audio recording unit 120 through satellite communication. The encoder 131, the modulator 133, and the satellite are provided. It consists of a transmitter 135.

The encoder 131 performs a function of compressing the signal by encoding the image / audio signal photographed and recorded by the photographing unit 110 and the voice recording unit 120. In general, since digital satellites broadcast TV broadcasting using DVB / MPEG-2, the modulator 133 uses the video / audio signal compressed from the encoding unit 131, for example, MPEG-2, which is currently adopted as a digital broadcasting standard. The algorithm modulates satellite data. The satellite transmitter 135 transmits a video / audio signal modulated by satellite data through the modulator 133 to satellite communication.

On the other hand, the automatic recording control device 200 that receives the video / audio signal of the fire and extinguishing situation from the fire site system 100 as described above through satellite communication may be installed in the situation room for directing the fire site, for example, When the video / audio signal is transmitted from the satellite communication, it is demodulated, and the demodulated video / audio signal is first displayed and automatically recorded.

More specifically, the automatic recording control apparatus 200 includes a satellite receiver 210, a demodulator 215, an audio / video (A / V) distributor 220, a fire occurrence detector 225, and a controller ( 230, an image output unit 235, an audio output unit 240, and a recording unit 245.

The satellite receiver 210 receives a converted video / audio signal into satellite data through a satellite communication as a DVB receiver. The demodulator 215 separates the video / audio signal converted into satellite data received from the satellite receiver 210 and converts the image / audio signal into a digital signal. For example, the demodulator 215 decodes the demodulated signal according to the MPEG-2 standard. When the video / audio signal separated from the demodulator 215 is input, the A / V divider 220 outputs a signal detection signal indicating that a signal is input from the fire field system 100 to the fire occurrence detection unit 225 described later. do.

In addition, the A / V divider 220 distributes the separated video / audio signals into a plurality of video and audio signals and outputs the same to the corresponding devices connected to the respective output terminals, for example, a plurality of video output units 235 in the situation room. And if the audio output unit 240 is provided with each of the video output unit 235 and the audio output unit 240 can display the video / audio signal of the fire situation and the fire situation. The fire occurrence detection unit 225 outputs an emergency fire generation signal for informing the control unit 230 to be described later that an emergency fire situation has occurred when a detection signal is input from the A / V distributor 220.

The controller 230 determines whether a channel for displaying an image signal preferentially exists when an emergency fire occurrence signal is input from the fire occurrence detection unit 225. If it is determined that a channel capable of displaying the image signal exists, the controller 230 does not output a separate control signal to the image output unit 235 and the audio output unit 240, and the image output unit 235. ) And the audio output unit 240 directly outputs the video signal and the audio signal input from the A / V divider 220.

However, if it is determined that a channel capable of preferentially displaying the video signal does not exist, that is, when another video is currently displayed through the video output unit 235, the fire scene system 100 In order to preferentially display the image signal transmitted from the image output unit 235, switching control is performed to forcibly terminate the existing channel displayed on the image output unit 235 so that the image signal can be immediately displayed. .

The image output unit 235 may be provided in each floor of the situation room as a large image display device provided in the situation room. The image output unit 235 displays an image signal of a fire and extinguishing situation input from the A / V distributor 220 according to a switching control signal input from the controller 230. Like the video output unit 235, a plurality of audio output units 235 may be provided on each floor of the situation room, and a fire input from the A / V distributor 220 according to a switching control signal input from the control unit 230. And outputs a voice signal according to the evolution situation.

The recording unit 245 is provided separately from the automatic recording control device 200, for example, to automatically record video signals and audio signals input from the A / V distributor 220 through RS-232, and the like. The module 200 may be provided in a modular form to automatically record video signals and audio signals.

Fire scene automatic recording control system using satellite communication according to the present invention having the configuration as described above, in the event of a fire in the fire field system 100 transmits the video / audio signal of the fire and extinguishing situation to the satellite communication, the situation room The automatic recording control device 200 provided thereon receives and displays the automatic recording. Therefore, video / audio data on fire and extinguishing can be secured automatically, and when video / audio signal of emergency fire is input, the existing channel is forcibly terminated and the video / audio signal is displayed first, Respond promptly to minimize damage to property and life.

Meanwhile, the automatic recording control device 200 according to the present invention further includes an Ethernet module 250, an operation unit 255, and a character output unit 260.

The automatic recording control apparatus 200 according to the present invention may operate by a remote control signal transmitted from a remote operator computer. The Ethernet module 250 receives a remote control signal transmitted from an operator computer at a remote location, transmits the remote control signal to the controller 230, and transmits firmware upgrade information transmitted for firmware upgrade of the automatic recording control apparatus 200 to the controller 230. Perform the function of sending. When the remote control signal or firmware upgrade information is input from the Ethernet module 250, the controller 230 controls the auto recording control device 200 or performs a firmware upgrade according to the remote control signal.

The operation unit 255 refers to a plurality of input buttons provided at predetermined positions of the auto recording control apparatus 200 to manually control the auto recording control apparatus 200 according to an operator's manual operation. When any one input button is selected from the operator, the operation unit 225 transmits an input signal corresponding to the corresponding button to the controller 230, so that the controller 230 controls the automatic recording control device 200 according to the received button input signal. Will be controlled.

The text output unit 260 is a liquid crystal display using LCD and is provided at a predetermined position of the housing of the automatic recording control apparatus 200, and displays the driving state of the automatic recording control apparatus 200 in text. The text output unit 260 indicates that a signal is input according to a command of the controller 230 when the video / audio signal of the fire and extinguishing situation is input from the fire field system 100, for example, so that the operator outputs the text output unit ( The driving state of the automatic recording control device 200 may be visually confirmed through the text displayed through the letter 260.

Hereinafter, a fire scene automatic recording control method using satellite communication according to the present invention will be described with reference to FIGS. 2 and 3. 2 is a flowchart illustrating an automatic recording control method according to the present invention, and FIG. 3 is a flowchart illustrating a process of transmitting the video / audio signal shown in FIG. 2 to satellite communication in more detail.

2 and 3, as described above, for example, the fire site system 100 installed in a fire engine or mounted on a firefighter is configured to record and record a fire and extinguishing situation, and to transmit a video signal and an audio signal through satellite communication. Transmit (S100). More specifically, the fire site system 100, first photographing the fire situation and the fire situation through the recording unit 110 and the voice recording unit 120 and records the voice of the surrounding (S101). The captured and recorded video and audio signals are encoded and compressed by the encoder 131 (S103), and the compressed video and audio signals are modulated into satellite data through the modulator 133 (S105). Thereafter, the video and audio signals modulated with satellite data are transmitted to satellite communication through the satellite transmitter 135 (S107).

The automatic recording control device 200 provided in the situation room receives a video / audio signal transmitted from satellite communication through the satellite receiver 210, and the received video / audio signal is converted into original data by the demodulator 215. Each is separated and demodulated (S110). After that, each of the separated video and audio signals is input to the A / V divider 220, and the A / V divider 220 receives the video / audio signal separated from the demodulator 215. ) Outputs a signal detection signal indicating that a signal is input to the fire occurrence detection unit 225. In addition, the separated video / audio signal is divided into a plurality of video and audio signals and output to the corresponding device connected to each output terminal.

Meanwhile, when an emergency fire occurrence signal is input from the fire occurrence detection unit 225, the controller 230 determines whether a remote control signal or a button input signal received by the automatic recording control device 200 exists (S120). . That is, as described above, since the automatic recording control device 200 according to the present invention can be operated remotely or manually, the control unit 230 is the current automatic recording control device 200 when an emergency fire occurrence signal is input. Determine if the machine is operated by remote operator computer or manual operation of operator.

If it is determined that the remote control signal or the button input signal does not exist (that is, it is determined that the automatic recording control device 200 is automatically operated), the control unit 230 outputs an image signal transmitted from the fire field system 100. It is determined whether there is a channel to display preferentially (S130). On the other hand, the controller 230 determines that the remote control signal or button input signal is present (that is, when it is determined that the automatic recording control device 200 is operated by remote control or manual operation) or Check the button input signal and controls the driving of the automatic recording control device 200 in accordance with the confirmation result (S140).

On the other hand, if it is determined that a channel for preferentially displaying a video signal transmitted from the fire field system 100 is present, the controller 230 transmits separate control signals to the video output unit 235 and the audio output unit 240. ), The video output unit 235 and the audio output unit 240 directly output the video signal and the audio signal input from the A / V divider 220 (S150).

However, if it is determined that a channel for preferentially displaying an image signal transmitted from the fire scene system 100 does not exist, that is, when another image is currently displayed through the image output unit 235, In order to preferentially display the video signal transmitted from the fire field system 100 to the video output unit 235, the existing channel being displayed on the video output unit 235 may be forcibly terminated and the video signal may be immediately displayed. Switching control to perform so as to perform (S160).

According to the fire scene automatic recording control system and method using the satellite communication of the present invention as described above, when the video / audio signal of the emergency fire situation is input, the existing channel is forcibly terminated and the video / audio signal is preferentially displayed. By responding immediately to the situation, it is possible to minimize damages to property and lives, and has the advantage of automatically obtaining video / audio data on fire and extinguishing situations.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible. Therefore, the true technical protection scope of the present invention should be defined only by the appended claims.

Claims (8)

delete delete Shooting unit for recording the fire situation and the fire situation, voice recording unit for recording the voice around the fire situation, and modulates the video / audio signal recorded and recorded by the recording unit and the voice recording unit to transmit to the satellite communication A fire site system comprising satellite transmission means; And an automatic recording control device that demodulates the video / audio signal from the satellite communication and immediately displays and demodulates the demodulated video / audio signal. A satellite receiver for receiving the video / audio signal transmitted from the satellite communication; A demodulator for demodulating the video / audio signal received from the satellite receiver and separating and outputting the video / audio signal; An audio / video (A / V) splitter that outputs a signal detection signal when the separated video / audio signal is input from the demodulator, and distributes the separated video / audio signal into a plurality of video and audio signals; A fire occurrence detection unit for outputting an emergency fire occurrence signal when the signal detection signal is input from the A / V distributor; When the emergency fire occurrence signal is input from the fire occurrence detection unit, the existing channel is forcibly terminated to preferentially display the video / audio signal input to the A / V distributor, and the display of the video and audio signals is controlled. With the control unit, An image output unit which displays the image signal input from the A / V distributor according to the switching control signal of the controller; A voice output unit for outputting the voice signal input from the A / V distributor according to the switching control signal of the controller; A recording unit for automatically recording the video / audio signal from the A / V distributor, Fire scene automatic recording control system using a satellite communication comprising a. The apparatus of claim 3, wherein the automatic recording control device comprises: And an Ethernet module for receiving a remote control signal or firmware upgrade information transmitted through an Ethernet from a remote operator computer and transmitting the same to the controller. The control unit: And controlling the automatic recording control device according to the remote control signal received from the Ethernet module, and performing a firmware upgrade according to the firmware upgrade information. The apparatus of claim 3, wherein the automatic recording control device comprises: An operation unit including a plurality of input buttons provided for manually controlling the automatic recording control device according to an operator's selection; Character output unit for displaying the driving state of the automatic recording control device in a character, Fire scene automatic recording control system using a satellite communication, characterized in that it further comprises. A first step of modulating the video / audio signal recorded and recorded in a fire field system that is provided at a scene where a fire has occurred and records a fire situation and an extinguishing situation and records a voice around the fire situation; ; An automatic recording control device which receives the video / audio signal from the satellite communication, demodulates the video / audio signal, and determines whether there is a channel capable of preferentially displaying the demodulated video / audio signal. Two steps; If there is a channel capable of preferentially displaying the video / audio signal as a result of the determination of the second step, the video / audio signal is displayed and automatically recorded. If the channel does not exist, the existing channel is forcibly terminated. A third step of preferentially displaying and automatically recording the video / audio signal; Fire scene automatic recording control method using a satellite communication comprising a. The method of claim 6, wherein the automatic fire scene control method using the satellite communication is: Controlling, by the automatic recording control device, or performing a firmware upgrade according to a remote control signal or firmware upgrade information transmitted through an Ethernet from a remote operator computer; Fire scene automatic recording control method using a satellite communication, characterized in that it further comprises. The method of claim 6, wherein the automatic fire scene control method using the satellite communication is: Displaying, by the automatic recording control device, whether the video / audio signal is received from the fire field system and the display and recording status of the received video / audio signal in text; Fire scene automatic recording control method using a satellite communication, characterized in that it further comprises.

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