KR102505979B1 - Network multimedia duplexing system capable of realtime multiple section brocasting - Google Patents

Abstract

Disclosed is a network multimedia redundancy system capable of multi-section broadcasting for each situation in real time. The network multimedia redundant system capable of real-time multi-section broadcasting by situation monitors the broadcasting status, contact input status inspection result, voice control status, and speaker line inspection status of each audio channel so that it can be broadcast during normal broadcasting or emergency broadcasting in case of fire or emergency disaster. operator smartphone displaying; A broadcast operation server connected to the operator's smartphone through a wired or wireless communication network; a control PC connected to the broadcast operation server through a wired/wireless communication network and having a microphone and a speaker; and is connected to the control PC, transmits a broadcast state, a contact input unit state check result, a voice control state, and a speaker line check state to the control PC, receives a control command or a voice control transmission command from the control PC, and receives a network multimedia As a redundant system, one section broadcasting (A section broadcasting) is switched to another section broadcasting (B section broadcasting) in case of failure and controlled to be broadcasted. In the event of an emergency broadcasting, diversified broadcasting is transmitted for each floor of the building, and PA (Public Address System) is included to amplify the sound source and output it to the speaker through the corresponding channel.

Description

Network multimedia duplexing system capable of realtime multiple section brocasting}

The present invention relates to a network multimedia redundancy system capable of multi-section broadcasting for each situation in real time. In a public address system (PA) provided in schools, corporations, buildings, and apartments, general broadcasting or fire or earthquake emergency occurs. As a technology applied to the broadcasting system, it is a real-time, situation-specific technology that responds quickly by sending not only general information broadcasting but also emergency broadcasting to the speaker of the building floor in the area desired by the operator's smartphone or control PC user from a remote location. It relates to a network multimedia redundancy system capable of multi-section broadcasting.

A public address system (PA) is a broadcasting system that delivers emergency broadcasting and general broadcasting information to the public so that they can respond appropriately to the situation. The public address system is a broadcasting equipment that automatically transmits broadcasts to enable evacuation in the event of a fire in a public place (building, school, subway, etc.) according to the type of broadcasting. In addition, there are various types of broadcasting, such as general information delivery broadcasting, timer broadcasting, and general BGM sound source transmission broadcasting, as well as fire.

The broadcasting types of the public address system (PA) are generally automatic fire broadcasting broadcasting by receiving fire contacts, emergency microphone broadcasting by manually operating a switch, remote broadcasting by receiving remote contacts, reservation broadcasting using reserved contacts, and manual speaker broadcasting. There is a general broadcast using a switch.

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However, the following problems occur in the operation of the existing broadcasting system. In the event of a fire or emergency disaster, since broadcasting for each situation is not performed, only simple evacuation broadcasting may be transmitted during simple general fire evacuation broadcasting, which may increase confusion. In the event of a fire, this problem can be solved by broadcasting where the fire has occurred and where to evacuate.

In the event of a fire or emergency, if emergency broadcasting cannot be transmitted due to a failure of broadcasting equipment, great damage can be caused.

In addition, when an emergency situation occurs in the absence of an operator of the public address system, great damage may be caused due to difficulties in coping with the situation.

As a prior art 1 related to this, in Patent Registration No. 10-21286150000, "high impedance output line protection device of public address system" is registered.

1 is a block diagram of a general public address system.

The public address system includes a public address control device 110, an audio matrix 120, a power amplifier 130, and a relay group 140.

The public address control device 110 controls the overall device including input/output control for audio signals, volume control, and speaker selection control.

The audio matrix 120 receives audio signals output from a plurality of sound source generators 100, for example, CD players, cassette decks, tuners, wired/wireless microphones, microphones, remote amplifiers, etc., respectively through designated input ports. Alarm sound, time signal sound, and user recorded data received or stored in memory are read, mixed according to the control signal of the public address control device 110, and output through the selected output port.

A plurality of power amplifiers 130 are connected to the output ports of the audio matrix 120, and amplify and output mixed audio signals output from respective output ports of the audio matrix 120, respectively.

The relay group 140 distributes and outputs the amplified audio signal output from each power amplifier 130 to a plurality of selected speakers.

As prior art 2 related to this, in Patent Registration No. 10-09234870000, "Fire detection and reception device and public address system including the same" are registered.

A fire detection receiver and a public address system including the same

A fire detection and receiving device connecting the fire receiving panel and the public address system so that the public address system transmits a fire emergency broadcast in response to a fire area detected by the fire receiving panel, comprising: a plurality of input channels; Each of the input channels is connected to the contact points of the fire receiving panel, and the input unit receives information on a fire zone detected through each of the input channels; a storage unit storing fire broadcasting zone information to transmit fire emergency broadcasting in response to location information on each fire zone; an output unit outputting the fire broadcast zone information to the outside; and when fire occurrence area information is input from the fire receiving panel through the input unit, the fire broadcasting area information corresponding to the inputted fire occurrence area information is extracted from the storage unit, and the extracted fire broadcasting area information is stored in the fire broadcasting area information. and a controller for outputting to the outside through the output unit. This facilitates wiring work connecting the fire receiving panel and the public address system, and can facilitate inspection and change of wiring.

2 is a block diagram of a conventional speaker device capable of detecting fire.

The speaker device 100 capable of detecting fire includes a switch unit 110, a fire detection unit 120, a speaker unit 130, a light emitting unit 150, a storage unit 160, a power supply unit 170, and a control unit 180. includes

The switch unit 110 turns on or off the speaker line 40 branched from the public address device 20 to connect another speaker device.

The switch unit 110 connects or opens between the speaker line 40 and the speaker device 100 under the control of the controller 180 . By turning on or off the switch unit 110, the user can individually turn on or off the announcements transmitted from the public address broadcasting device 40 according to the regions where the recipients of the announcements are located.

In addition, by turning off the switch unit 110, the speaker line 40 connected to another speaker device is blocked, thereby preventing damage to the speaker line 40. That is, the switch unit 110 may short-circuit one of a pair of speaker lines connected to the public address device 20 or another speaker device, and block transmission of signals through the corresponding speaker line.

The switch unit 110 may be composed of a relay, a latch relay, or an electronic switch using a semiconductor device. For example, when the switch unit 110 is configured as a relay, when the switch unit 110 receives a p-type non-contact signal, it can block signal transmission to other connected speaker devices.

The fire detection unit 120 may be composed of various sensors used to detect the occurrence of fire. The sensors may include a temperature sensor for measuring temperature, a smoke sensor for detecting smoke, a differential spot type thermal sensor, a constant temperature spot type thermal sensor, or a photoelectric spot type smoke detection sensor.

For example, when the fire detection unit 120 includes a temperature sensor 122 for measuring temperature and a smoke sensor 124 for detecting smoke generation, the fire detection unit 120 measures the temperature through the temperature sensor 122. When the detected temperature is equal to or higher than a predetermined predetermined temperature or when the smoke detected by the smoke sensor 124 is equal to or greater than a predetermined predetermined value, it may be determined that a fire has occurred.

The speaker unit 130 is configured to transmit a voice signal to audibly convey a fire alarm. That is, when receiving a fire occurrence signal or detecting a fire, the speaker unit 130 outputs a voice signal for a fire evacuation guidance voice file stored in the storage unit 160 to the outside under the control of the controller 180 .

The speaker unit 130 includes an amplifier 135 and a speaker 140 .

The amplifier 135 amplifies a voice signal for a fire evacuation guidance voice file stored in the storage unit 160 and transmits it to the speaker 140 .

The speaker 140 outputs the audio signal transmitted from the amplifier 135 to the outside.

For example, in the event of a fire or emergency, a warning sound such as 'fire' or a guidance voice such as 'evacuate' is output through a speaker to alert people and perform an auditory function to enable rapid evacuation. do.

The light emitting unit 150 is disposed to emit evacuation lighting under the control of the control unit 180, and emits light according to a lighting signal for fire evacuation guidance information. That is, the light emitting unit 150 does not emit light in normal times, but has a lighting function of emitting light in an emergency. In addition, the light emitting unit 150 has a flickering function capable of flickering light so as to visually convey a fire alarm to a person in addition to a lighting function. The light emitting unit 150 may provide various blinking patterns using a blinking function. For example, if the flashing time of the light is 3 seconds as long and 1 second as short, the light can be flickered in a pattern of long, short, long, short.

The light emitting unit 150 may include all components capable of emitting light in a constant size, in addition to components used in general lighting devices such as, for example, LAMPs, fluorescent lamps, lasers, and LEDs.

A fire evacuation guidance voice file is stored in the storage unit 160 .

The power supply unit 170 supplies power to the speaker device 100 .

When a fire signal is received from the public address device 20 or a fire is detected through the fire detection unit 120, the control unit 180 operates the switch unit 110, the light emitting unit 150, and the speaker unit 130. at least one of them to operate.

That is, when receiving a fire signal from the public address device 20 or detecting a fire through the fire detection unit 120, the control unit 180 lights the light emitting unit according to the lighting signal for the fire evacuation guidance information ( 150), and controls the speaker unit 130 to transmit a voice signal for a fire evacuation guidance voice file.

In addition, when a fire signal is received from the public address device 20 or a fire is detected through the fire detection unit 120, the control unit 180 turns off the switch unit 110 to connect to another speaker device. Cut off the speaker line 40. Through this, damage to the speaker line 40 can be prevented.

Also, when a fire is detected through the fire detection unit 120, the control unit 180 transmits a fire occurrence signal to the public address device 40 or a fire receiving panel (not shown). Here, the fire occurrence signal may include speaker device identification information, current location, and the like.

The control unit 180 includes a switch unit 110, a fire detection unit 120, a speaker unit 130, a light emitting unit 150, a storage unit 160, and a power supply unit 170. It controls the operation of components and includes at least one arithmetic unit, wherein the arithmetic unit includes a general-purpose central processing unit (CPU), a programmable device element (CPLD, FPGA) implemented to suit a specific purpose, and an application-specific semiconductor processing unit. (ASIC) or microcontroller chip.

The speaker device 100 includes a casing (not shown), and components of the speaker device 100 may be mounted inside the casing or formed on one side of the inside. Therefore, the casing includes a pair of power lines for connecting the power supply unit 170, a pair of speaker lines connected to the switch unit 110 for receiving or transmitting a fire signal, and a pair of lines for connecting with the speaker unit 130. can be configured.

When a fire signal is received or a fire is detected through the fire detection unit 120, the speaker device 100 configured as described above provides information corresponding to a fire situation by simultaneously operating sound, vibration, and lighting to inform the user. In addition, an evacuation route according to the user's current location may be provided, and precautions according to a disaster situation may be provided. In this case, when a fire occurs, a building manager or a firefighter as well as a person at the place of fire can visually and quickly grasp the place of fire and take an initial response quickly.

In addition, the switch unit 110 of the speaker device 100 is in an on state, maintains a state connected to the public address device 40 or other speaker devices through the speaker line 40, and switches the switch unit 110 when necessary. By turning off, the speaker line 40 connected to another speaker device can be blocked.

In addition, the speaker device 100 may receive a fire signal from the public address device 20 or the fire reception panel, and when a fire is detected through the fire detection unit 120, a fire including its own identification information occurs. Since the signal can be transmitted to the public address device 20 or the fire reception board, two-way communication with the public address device 20 or the fire reception board can be performed.

Although it has been described that the plurality of speaker devices 100 are connected by a common speaker line branched from the public address device 20, each speaker device 100 includes a pair of speaker lines to the relay of the public address device 20. can be linked independently. Therefore, it operates independently regardless of the operation of other speaker devices.

As a prior art 3 related to this, in Patent Registration No. 10-20474670000, a plurality of speaker devices used in a public address system individually detect a fire and automatically transmit a fire evacuation announcement, "a speaker capable of detecting fire" A device and a public address system having the same" have been registered.

The public address system is a multi-purpose broadcasting system used for information broadcasting and music broadcasting for public facilities such as schools, corporations, buildings, and apartments. The main function of such a public address system is to receive information from a fire reception panel in the event of a fire for the purpose of protecting human life and to make a fire emergency announcement, and it is installed in almost all buildings in accordance with the Fire Protection Act.

For reference, a conventional public address system includes a public address device, a speaker line, and a speaker device. The public address system includes a public address control device that controls the entire device, an audio matrix that selects or mixes a plurality of sound sources and outputs them, and a public address amplifier that amplifies and outputs audio signals output from each output port of the audio matrix. and a relay group for distributing and outputting the amplified audio signal output from each public address amplifier to a plurality of selected speaker lines.

A speaker device is a speaker device connected to a speaker line branching from a public address device and connecting another speaker device, comprising: a switch unit that turns on or off for connection of the speaker line; A fire detection unit for detecting the occurrence of a fire; a storage unit in which a fire evacuation guidance audio file is stored; A light emitting unit disposed to emit evacuation lighting; a speaker unit transmitting a voice signal for the fire evacuation guidance voice file; and a control unit for controlling at least one of the switch unit, the light emitting unit, and the speaker unit to operate when a fire signal is received from the public address device or a fire is detected through the fire detection unit.

The control unit,

When a fire is detected through the fire detection unit, the switch unit is turned on to transmit a fire occurrence signal including its own identification information and location to the public address device or fire reception panel, and then the switch unit is turned off to It disconnects from the speaker device and operates independently regardless of the operation of other speaker devices.

A power supply unit for supplying power to the speaker device is further included.

The fire detection unit,

a temperature sensor for measuring temperature; And a smoke sensor for detecting smoke generation,

The control unit determines that a fire has occurred when the measured temperature is equal to or greater than a preset predetermined temperature or the detected smoke is equal to or greater than a predetermined predetermined value.

The control unit,

When a fire signal is received from the public address device or a fire is detected through the fire detection unit, the light emitting unit is controlled to be turned on according to a lighting signal for fire evacuation guidance information, and the speaker unit controls the fire evacuation guidance voice file. Control to transmit a voice signal for

In addition, the public address system

a public address device that outputs a fire signal when a fire is detected;

a speaker line branching from the public address apparatus; and

When a fire signal is received from the public address device connected to the speaker line or a fire is detected through a fire detection unit, the light emitting unit is turned on according to the lighting signal for fire evacuation guidance information, and the fire evacuation guidance audio file It includes a speaker device for transmitting a voice signal for through a speaker,

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The speaker device,

When a fire is detected through the fire detection unit, the switch unit is turned on to transmit a fire occurrence signal including its own identification information and location to the public address device or fire reception panel, and then the switch unit is turned off to transmit a fire signal to another speaker. It disconnects from the device and works independently regardless of the operation of other speaker devices.

However, if emergency broadcasting cannot be transmitted due to a failure of broadcasting equipment in an emergency such as a fire or an earthquake, great damage may occur.

In addition, when an emergency disaster situation occurs in the absence of an operator of the public address system, great damage may be caused due to difficulties in coping with the situation.

Patent Registration No. 10-21286150000 (registration date: June 24, 2020), "High Impedance Output Line Protection Device for Public Address System", Daekyung Bascom Patent registration number 10-09234870000 (Registration date: October 19, 2009), "Fire detection and receiving device and public address system including the same", Inter-M Co., Ltd. Patent registration number 10-20474670000 (Registration date: November 15, 2019), "Speaker device capable of detecting fire and public address system equipped with the same", The Woollim Co., Ltd.

An object of the present invention to solve the above problems is to provide a public address system (PA) in which an operator's smartphone and a control PC are connected to a broadcast operation server in a public address system provided in schools, corporations, buildings, and apartments, and connected to the control PC. Seismic contacts connected to seismic instruments, fire points connected to multiple fire detectors, time signal contacts connected to hour markers (class start/end), CD player sound source for school/building broadcasts (national anthem for school inquiry) It has a contact input unit having an event contact point connected to an event player that reproduces, and a switch input unit for general broadcasting/emergency broadcasting, and transmits general broadcasting normally and sends out emergency broadcasting in the event of an emergency such as fire or earthquake, Provides a network multimedia redundancy system capable of real-time situational multi-section broadcasting that transmits 1 to 16 diversified broadcasting (1st floor A voice broadcasting, 2nd floor B voice broadcasting, 3rd floor C voice broadcasting, etc.) for each floor of the building do.

In order to achieve the object of the present invention, a network multimedia redundancy system capable of multi-section broadcasting for each situation in real time is a broadcasting state, a contact input state check result, a voice control state, and each An operator's smartphone displaying the audio channel speaker line check status; A broadcast operation server connected to the operator's smartphone through a wired or wireless communication network; a control PC connected to the broadcast operation server through a wired/wireless communication network and having a microphone and a speaker; And the control PC, main equipment and sub equipment are connected, and broadcast status, contact input unit status inspection result, voice control status, and speaker line inspection status are transmitted to the control PC, and a control command or voice control transmission command is transmitted from the control PC. is received, and as a network multimedia redundancy system, one section broadcast (A section broadcast) of the main equipment is switched to another section broadcast (B section broadcast) using the sub equipment when a failure is controlled to broadcast, Equipped with a switch input for general broadcasting/emergency broadcasting, emergency broadcasting in case of emergency and disaster, transmits diversified broadcasting for each floor of the building, amplifies the sound source and outputs it to the speaker of the corresponding channel of the main equipment or the sub equipment It includes a public address system (PA) that
The PA (Public Address System)
a central control device connected to the control PC through a network; a contact input unit receiving a circuit inspection command from the central control device and providing a circuit inspection response, and having a time signal contact point and an event contact point; A switch input unit that serves as a switch to select general broadcasting or emergency broadcasting; a voice controller connected to the central control device and controlling the volume and frequency level of the selected voice signal; an amplifier for each channel connected to the audio controller and amplifying the audio signal of each audio broadcasting channel; and a speaker control unit connected to the amplifier of each channel and outputting an audio signal of each audio broadcasting channel to a speaker of each channel.
The control PC is connected to the contact input unit, the switch input unit, the voice control unit, and the speaker control unit through RS232, RS422, and RS485 serial communication digital signal connections,
The time signal contact point of the contact input unit is connected to a time signal providing timer time signal broadcasting, and the event contact point of the contact input unit is connected to a CD player sound source for school/building broadcasting or an event player that reproduces general BGM sound sources.

The network multimedia redundancy system capable of multi-section broadcasting for each situation in real time according to the present invention is a technology applied to a broadcasting system in a public address broadcasting system provided in schools, corporations, buildings, and apartments, and provides the desired It has the effect of responding quickly by sending out emergency situation broadcasts as well as general information broadcasts quickly through the speakers of the number of floors of the building in the area.

In a public address system equipped in schools, businesses, buildings, and apartments, an operator's smartphone and control PC are connected to a broadcasting operation server, and a public address system (PA) connected to the control PC is an earthquake contact point connected to an earthquake measuring instrument, a number of Fire point connected to the fire detector, time signal point connected to the time signal (class start/end), event point connected to the event player that plays the sound source of the CD player for school broadcasting/building broadcasting (national anthem during school inquiry) Equipped with a contact input unit and a switch input unit for general broadcasting/emergency broadcasting, general broadcasting is provided during normal times, emergency broadcasting is performed in the event of an emergency such as fire or earthquake, and 1 to 16 diversified broadcasts are transmitted for each floor of the building. do.

In addition, the network multimedia redundancy system capable of real-time situational multi-section broadcasting provides general broadcasting and emergency broadcasting, and one section broadcasting (A section broadcasting) is provided in case of failure by the first control unit by the central control device of the PA. 2 Control to switch to another section broadcast (B section broadcast) by the control unit and broadcast.

The feature of this broadcasting equipment is that in the event of a fire or emergency disaster, situational broadcasts are automatically sent out, and voice guidance of the evacuation route is provided to the fire floor, and where to evacuate and what actions to take are automatically sent out according to the situation. In addition, it is possible to broadcast forcibly by manually selecting a sound source suitable for a desired region. The types of broadcasting and sound source data are transmitted to the server PC in real time and transmitted to the operator's mobile phone, enabling quick response. In addition, due to the dual design of public address equipment, when the main broadcasting equipment fails, it is automatically switched to the sub equipment, enabling smooth broadcasting.

This broadcasting device has a variety of voice comments built in, so it can automatically send out the voice of the desired comment with only automatic and simple operation, and it is possible to operate the broadcast and whether there is a malfunction. In addition, a separate sub-equipment is provided so that it can be operated as a sub-equipment even when the main equipment fails, and is designed in redundancy.

In addition, when there is no operation of the equipment, the operator's smartphone and control PC receive the failure and status of the broadcasting equipment to the control PC, enabling real-time check so that the user outputs the state of the broadcasting equipment in real time, and all broadcasting data is transmitted to the broadcast operation server (main server) through the network so that the operator can check the real-time broadcast status and situation.

In a public address system equipped in schools, corporations, buildings, and apartments, it is a technology applied to broadcasting systems in case of general broadcasting or emergency situations such as fires, earthquakes, and disasters. You can respond quickly by sending desired voice comments as well as general information broadcasts as well as emergency broadcasts.

In the operation of public address systems in schools, corporations, subways, and buildings, automatic broadcasting for emergency situations, such as providing general broadcasting during normal times and providing emergency broadcasting in case of fire or earthquake, is possible, and the functions of existing simple broadcasting are much more useful. is predicted to rise For example, when a fire is ignited, different sound sources are automatically transmitted to the fire floor and non-fire floor areas to minimize confusion. sound source is transmitted.

In addition, without any manipulation of the public address equipment, the broadcasting status and whether or not there is a failure of the equipment are transmitted to the server PC in real time, making it convenient to manage. It is easy to judge. In preparation for a failure of broadcasting equipment, this equipment is designed for redundancy, so that in case of failure of the main equipment, it is immediately converted to the sub equipment so that there is no problem with broadcasting.

This condition is transmitted to the mobile phone of the operator through the broadcasting operation server in real time, and the operator can check whether or not there is a malfunction of the broadcasting equipment and the broadcasting status. It can restore and normalize the operation of broadcasting equipment in time.

1 is a block diagram of a general public address system.
2 is a block diagram of a conventional speaker device capable of detecting fire.
3 is a configuration diagram of a network multimedia redundancy system capable of multi-section broadcasting for each situation in real time according to the present invention.

Hereinafter, the configuration and operation of a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. In the description of the present invention, if it is determined that a detailed description of a related known technology or known configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. In addition, the attached drawing numbers refer to the same drawing numbers in other drawings when indicating the same configuration.

The network multimedia redundancy system capable of real-time multi-section broadcasting according to the situation of the present invention is a public address system equipped in schools, corporations, buildings, and apartments, in which an operator smartphone and a control PC are connected to a broadcasting operation server, and a public broadcasting system connected to the control PC The address system (PA) is provided with main equipment and sub equipment connected to the control PC, an earthquake contact connected to an earthquake meter, a fire point connected to a plurality of fire detectors, and an hour indicator (class start / end) A contact input unit having a time signal contact point, an event contact point connected to an event player that reproduces a sound source of a CD player for school broadcasting/building broadcasting (national anthem for school inquiries), and a switch input unit for general broadcasting/emergency broadcasting, City general broadcasting is transmitted, emergency broadcasting is transmitted in the event of an emergency such as fire or earthquake, and diversified broadcasting 1 to 16 transmits different sound sources for each floor of the building (A audio broadcast on the 1st floor of the building, B audio broadcast on the 2nd floor) , 3rd floor C voice broadcasting,..) is transmitted.

The network multimedia redundancy system capable of multi-section broadcasting for each situation in real time provides general broadcasting and emergency broadcasting, and one section broadcasting (A section broadcasting ) is controlled to be broadcast by switching to another section broadcasting (B section broadcasting) of a separate sub-equipment by the second control unit in case of failure.

The feature of this equipment is that in the event of a fire or emergency disaster, situational broadcasts are automatically transmitted, and the fire floor provides voice guidance on the evacuation route, and the corresponding sound source is automatically transmitted according to the situation. In addition, it is possible to broadcast forcibly by manually selecting a sound source suitable for a desired region. The types of broadcasting and sound source data are transmitted to the server PC in real time and transmitted to the operator's smartphone, enabling quick response. In addition, due to the dual design of public address equipment, when the main broadcasting equipment fails, it is automatically switched to the sub equipment, enabling smooth broadcasting.

For example, when a fire is ignited, different sound sources are automatically transmitted to the fire floor and non-fire floor areas to minimize confusion, and when broadcast by other environmental factors such as earthquakes, storms, and tidal waves, the situation is automatically and manually transmitted. A suitable sound source is transmitted.

In addition, without any manipulation of the public address equipment, the broadcasting status and whether or not there is a failure of the equipment are transmitted to the server PC in real time, making it convenient to manage. It is easy to judge. In preparation for a failure of broadcasting equipment, this equipment is designed for redundancy, so that in case of failure of the main equipment, it is immediately converted to the sub equipment so that there is no problem with broadcasting.

This status is transmitted to the mobile phone of the operator through the broadcasting operation server in real time, and the operator can check whether or not there is a malfunction of the broadcasting equipment and the broadcasting status, and quickly judges in case of an emergency such as fire or earthquake. It can restore and normalize the operation of broadcasting equipment in time.

3 is a configuration diagram of a network multimedia redundancy system capable of multi-section broadcasting for each situation in real time according to the present invention.

A network multimedia redundancy system capable of real-time situational multi-section broadcasting includes an operator smart phone 100, a broadcast operation server 110, a control PC 170, and a Public Address System (PA) 200.

The network multimedia redundancy system capable of real-time situational multi-section broadcasting of the present invention

An operator's smartphone displaying the broadcasting status, the contact input unit status inspection result, the voice control status, and the speaker line inspection status of each audio channel so that general broadcasting in normal times or emergency broadcasting through the broadcasting operation server 110 in the event of an emergency disaster occurs (100);

It is connected to the operator's smartphone 100 through a wired or wireless communication network, and the broadcast status received from the broadcast management program and PA (Public Address System), the contact input unit status check result, the voice control status, and the speaker line check status of each audio channel are displayed. a broadcast operation server 110 that stores;

It is connected to the broadcast operation server 110 through a wired/wireless communication network, selects general broadcasting or emergency broadcasting, broadcast status received from PA (Public Address System), contact input unit status check result, voice control status, and each audio channel Displays the speaker line inspection status, provides multi-section broadcasting for each situation in emergency situations such as sending general broadcasting or emergency broadcasting, and controls to transmit 1 to 16 diversified broadcasting that transmits different sound sources for each floor of the building, a control PC 170 having a microphone and a speaker providing control commands and voice control transmission commands; and

The control PC 170, the main equipment and the sub equipment are connected, and the broadcast state, the contact input unit state check result, the voice control state, and the speaker line check state are transmitted to the control PC, and the control command or the Receives a voice control transmission command, and as a network multimedia redundancy system, when one section broadcasting (A section broadcasting) of the main equipment fails, it is switched to another section broadcasting (B section broadcasting) using the separate sub equipment. Equipped with a switch input unit for selecting general broadcasting or emergency broadcasting, normal broadcasting is transmitted, and emergency broadcasting is transmitted in the event of an emergency such as fire or earthquake, and 1 to 16 diversified broadcasts for each floor of the building and a PA (Public Address System) 200 that amplifies and outputs a sound source to a speaker of a corresponding channel of the main equipment or the sub equipment,

The PA (Public Address System) 200 is

a central control device 210 connected to the control PC 170 through a network;

Receives a circuit inspection command from the central control unit 210 and provides a circuit inspection response, seismic contacts connected to earthquake measuring instruments, fire points connected to a plurality of fire detectors, timer time signal broadcasting (school broadcasting-class start/end) A contact input unit 220 having a time signal contact point connected to a time indicator that provides a lunch time music broadcast) and an event contact point connected to an event player that reproduces a sound source of a CD player for school broadcasting/building broadcasting;

A switch input unit 230 serving as a switch to select general broadcasting or emergency broadcasting;

a voice controller 240 connected to the central control device 210 and controlling the volume and frequency level of the selected voice signal;

an amplifier 270 connected to the audio controller 240 and amplifying audio signals of each audio broadcasting channel (multiple amplifiers per multi-channel having one amplifier per channel) 270; and

A speaker controller 290 is connected to the amplifier of each channel and outputs the audio signal of each audio broadcasting channel to the speaker of each channel.
The control PC 170 is connected to a contact input unit 220, a switch input unit 230, a voice control unit 240, and a speaker control unit 290 through RS232, RS422, and RS485 serial communication digital signal connections,

An earthquake contact point of the contact input unit 220 is connected to an earthquake measuring device.

Fire contacts of the contact input unit 220 are connected to a plurality of fire detectors.

The time signal contact point of the contact input unit 220 is connected to a time indicator providing timer time signal broadcasting.

The event contact point of the contact input unit 220 is connected to a sound source of a CD player for school broadcasting/building broadcasting or an event player that reproduces a general BGM sound source.

The central control device 210 is

With a first control unit connected to the main equipment, one section broadcast (A section broadcast) is switched to another section broadcast (B section broadcast) by sub equipment when a failure occurs, and the one section broadcast (A section broadcast) a first controller for controlling section broadcasting) to be output;

A second control unit that controls one section broadcasting (A section broadcasting) of the main equipment to output another section broadcasting (B section broadcasting) of the sub equipment when there is a failure, and is connected to the sub equipment; and

The central control device 210 itself includes a storage unit for storing voice comments.

The control PC 170 is connected to the voice control unit 240 and the speaker control unit 290 of the PA (Public Address System) 200 through a network.

In addition, the control PC 170 is connected to the contact input unit 220, the switch input unit 230, the voice control unit 240, and the speaker control unit 290 through RS232, RS422, and RS485 serial communication digital signal connections.

The control PC 170 and the operator's smartphone 100 display the broadcast status, contact input unit status check result, voice control status, and each audio channel speaker line check status through the broadcast operation server 110 so that the operator is monitored , general broadcasting, or emergency broadcasting in case of an emergency such as fire or earthquake is controlled to be transmitted.

The control PC 170 displays the broadcast status, the contact input unit status check result, the voice control status, and each audio channel speaker line check status like the operator smartphone 100 through the broadcast operation server 110,

The control PC 170 controls to transmit an emergency broadcast during normal broadcasting or an emergency disaster such as fire or earthquake,

It is controlled to transmit 1 to 16 diversified broadcasts for each floor of the building.

In public address systems equipped in schools, corporations, buildings, and apartments, this is a technology applied to broadcasting systems in case of general broadcasting or emergency situations such as fire or earthquake. From a remote location, the operator's smartphone or control PC can be used as a speaker on the number of floors of the building in the desired area. In addition to general information broadcasting, you can quickly respond to emergency situations by sending out emergency broadcasts in case of fire or earthquake.

This broadcasting device stores various voice comments in the storage unit of PA (Public Address System), so it can automatically transmit the voice of the desired comment with only automatic and simple operation, and broadcasting operation and failure are possible. In addition, a separate sub-equipment is provided so that it can operate as a separate sub-equipment even when the main equipment fails, and is designed in redundancy.

In addition, when there is no manipulation of the broadcasting equipment, it is possible to check in real time by transmitting the failure and status of the equipment to the control PC, so that the user can judge the state of the broadcasting equipment in real time and efficiently maintain and operate the equipment. .

In addition, all broadcasting data is transmitted to the broadcasting operation server (main server) through the control PC and network, and transmits real-time broadcasting status and situation information to the operator's smartphone.

In the operation of public address systems in schools, corporations, subways, and buildings, it is possible to transmit general broadcasts during normal times and to transmit emergency broadcasts in case of fire or earthquake. It is expected to be much more useful. For example, when a fire is ignited, different sound sources are automatically transmitted to the fire floor and non-fire floor areas to minimize confusion. sound source is transmitted.

In addition, without any manipulation of the public address equipment, the broadcasting status and failure status of the equipment are transmitted to the server PC in real time, making it convenient to manage. It is easy to judge. In preparation for a failure of broadcasting equipment, this equipment is designed to be redundant with main equipment and sub equipment, so that in case of failure of the main equipment, it is immediately converted to sub equipment so that there is no problem with broadcasting.

This status is transmitted to the mobile phone of the operator through the broadcasting operation server in real time, and the operator can check whether or not there is a malfunction of the broadcasting equipment and the broadcasting status. It is possible to restore and normalize the operation of broadcasting equipment in a short time.

Embodiments according to the present invention may be implemented in the form of program instructions that can be executed through various computer means and recorded in a computer readable recording medium. The computer readable recording medium may include program instructions, data files, and data structures alone or in combination. Computer-readable recording media include storage, hard disks, magnetic media such as floppy disks and magnetic tapes, optical media such as CD-ROMs and DVDs, and magnetic media such as floptical disks. - A hardware device configured to store and execute program instructions in storage media such as magneto-optical media, ROM, RAM, flash memory, etc. may be included. Examples of program instructions may include those produced by a compiler, machine language codes as well as high-level language codes that can be executed by a computer using an interpreter. The hardware device may be configured to operate as one or more software modules to perform the operations of the present invention.

As described above, the method of the present invention is implemented as a program and can be read using computer software on a recording medium (CD-ROM, RAM, ROM, memory card, hard disk, magneto-optical disk, storage device, etc.) ) can be stored in

Although described with reference to specific embodiments of the present invention, the present invention is not limited to the same configuration and operation as the specific embodiments to illustrate the technical idea as described above, and within the limit that does not deviate from the technical spirit and scope of the present invention It can be implemented with various modifications, and the scope of the present invention should be determined by the claims described later.

100: operator smartphone 110: broadcast operation server
170: control PC (microphone, speaker) 200: PA (Public Address System)
210: central control unit 220: contact input unit
230: switch input unit 240: voice control unit
270: amplifier 290: speaker control

Claims (7)

An operator's smartphone that displays broadcasting status, contact input unit status inspection result, voice control status, and each audio channel speaker line inspection status so that general broadcasting in normal times or emergency broadcasting in the event of an emergency disaster occurs;
A broadcast operation server connected to the operator's smartphone through a wired or wireless communication network;
a control PC connected to the broadcast operation server through a wired/wireless communication network and having a microphone and a speaker; and
The control PC is connected to the main equipment and sub equipment, and broadcasting status, contact input unit status inspection result, voice control status, and speaker line inspection status are transmitted to the control PC, and a control command or voice control sending command is transmitted from the control PC. received, and as a network multimedia redundancy system, when one section broadcasting (A section broadcasting) of the main equipment fails, it is controlled to be broadcast by switching to another section broadcasting (B section broadcasting) using the sub equipment, and general A PA equipped with a switch input for broadcasting/emergency broadcasting, making emergency broadcasting in case of an emergency and disaster, transmitting diversified broadcasting for each floor of the building, amplifying sound sources and outputting them to the speaker of the corresponding channel of the main equipment or the sub equipment (Public Address System),
The PA (Public Address System)
a central control device connected to the control PC through a network; a contact input unit receiving a circuit inspection command from the central control device and providing a circuit inspection response, and having a time signal contact point and an event contact point; A switch input unit that serves as a switch to select general broadcasting or emergency broadcasting; a voice controller connected to the central control device and controlling the volume and frequency level of the selected voice signal; an amplifier for each channel connected to the audio controller and amplifying the audio signal of each audio broadcasting channel; and a speaker control unit connected to the amplifier of each channel and outputting an audio signal of each audio broadcasting channel to a speaker of each channel.
The control PC is connected to the contact input unit, the switch input unit, the voice control unit, and the speaker control unit through RS232, RS422, and RS485 serial communication digital signal connections,
The time signal contact point of the contact input unit is connected to a time indicator that provides timer time signal broadcasting, and the event contact point of the contact input unit is connected to a CD player sound source for school broadcasting / building broadcasting or an event player that reproduces a general BGM sound source. Network multimedia redundancy system capable of multi-section broadcasting for each situation. delete delete According to claim 1,
The central control unit
1 for controlling one section broadcasting (A section broadcasting) of the main equipment to be broadcast by switching to another section broadcasting (B section broadcasting) in case of failure, and outputting the one section broadcasting (A section broadcasting). control unit;
a second controller for controlling the other section broadcasting (B section broadcasting) of the sub equipment to be output when one section broadcasting (A section broadcasting) of the main equipment fails; and
A network multimedia redundancy system capable of multi-section broadcasting for each situation in real time, including a storage unit in which voice comments are stored in the central control device itself. According to claim 1,
The control PC is connected to a voice control unit and a speaker control unit of the PA (Public Address System) through a network, and a network multimedia duplication system capable of real-time situational multi-section broadcasting. According to claim 1,
The control PC is connected to the contact input unit, the switch input unit, the voice control unit, and the speaker control unit through RS232, RS422, and RS485 serial communication digital signal connections, enabling multi-section broadcasting for each situation in real time Network multimedia redundancy system. According to claim 1,
The control PC displays the broadcasting status, the contact input unit status inspection result, the voice control status, and the speaker line inspection status of each audio channel, and controls to transmit general broadcasting or emergency broadcasting in case of an emergency such as fire or earthquake, A network multimedia redundancy system capable of multi-section broadcasting for each situation in real time, controlling 1~16 diversified broadcasting for each floor of the building.

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