CN106788831A - A kind of emergency broadcase system - Google Patents
A kind of emergency broadcase system Download PDFInfo
- Publication number
- CN106788831A CN106788831A CN201710170884.9A CN201710170884A CN106788831A CN 106788831 A CN106788831 A CN 106788831A CN 201710170884 A CN201710170884 A CN 201710170884A CN 106788831 A CN106788831 A CN 106788831A
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- China
- Prior art keywords
- broadcast
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- broadcasting agency
- host
- emergency broadcase
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/53—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
- H04H20/59—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for emergency or urgency
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/56—Arrangements characterised by components specially adapted for monitoring, identification or recognition covered by groups H04H60/29-H04H60/54
- H04H60/58—Arrangements characterised by components specially adapted for monitoring, identification or recognition covered by groups H04H60/29-H04H60/54 of audio
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/56—Arrangements characterised by components specially adapted for monitoring, identification or recognition covered by groups H04H60/29-H04H60/54
- H04H60/59—Arrangements characterised by components specially adapted for monitoring, identification or recognition covered by groups H04H60/29-H04H60/54 of video
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Alarm Systems (AREA)
Abstract
The invention discloses a kind of emergency broadcase system, including the mutually at least three-level broadcasting agency of backup；The three-level plays mechanism includes first order broadcasting agency, second level broadcasting agency and third level broadcasting agency；The first order and second level broadcasting agency pass to third level broadcasting agency by fiber optic network；The third level broadcasting agency and digital television signal are connected to digital TV front-end multiplexer；The digital TV front-end multiplexer communicates to connect playback terminal by modulation transmissions device；Broadcast host is additionally provided with the first order broadcasting agency, and the broadcast interface communicated with broadcast host input；And the host exchange communicated with broadcast host output end；And frequency modulation broadcast system, on-site monitoring audio amplifier and the partition management interchanger communicated with host exchange；The partition management interchanger output end is communicatively connected to the broadcast audio amplifier in each region.Emergency broadcase system of the invention, can fully tackle large scale disasters and small-sized local emergent broadcast.
Description
Technical field
The present invention relates to a kind of broadcast system, and in particular to a kind of emergency broadcase system, belong to broadcasting system technologies field.
Background technology
Emergency broadcase system is the important component of safety-protection system；For the public wide of Emergent Public Events urgent broadcast
Broadcast system, must also meet herein below in addition to it must meet general norm：System should be connected 10 seconds in main power source or stand-by power supply
It is interior to be broadcasted；With 24V or 220V emergency standby powers, main power supply switching time is not more than 1s;Emergency power electricity
Source can at least support the urgent broadcast of 15 minutes；If battery is taken as stand-by power supply to use, they should be filled equipped with automatic charging
Put；The rated power of Emergent Public Events urgent broadcast power amplifier is total not less than all power of loudspeaker that it is driven
1.5 times of sum；The power total capacity of Emergent Public Events urgent broadcast power amplifier, it is necessary to meet all broadcast subregions same
The requirement of Shi Fabu urgent broadcasts, rather than the requirement for only meeting several adjacent sectors；Emergent Public Events urgent broadcast should
With five-star priority；Should be able to be placed in for system under the state of emergency or be connected to from fire alarm and other polices by system in operator
Alarm signal or alarm voice document are played to alert zone in 3 seconds of reporting system signal, regardless of whether associated alarm area is currently at
Which kind of state (including closing and dormancy)；The volume of Emergent Public Events urgent broadcast, should be able to be automatically adjusted to system permission
Max volume；When all broadcasting service areas need simultaneously manually issue Emergent Public Events urgent broadcast when, should be able to a key in place
(a key/button/switch need only be operated, just can enter urgent broadcast state)；There are the service area loudspeaker and cloth of disaster hidden-trouble
Line should be fire-retardant；Have the service area of extreme misery Hidden hazrads, its broadcast loudspeaker should by more than 6 grades of waterproof certification, so as to
Under conditions of short-term spray (such as automatic sprinkler fire-extinguishing system startup) remain to work；The single of Emergent Public Events urgent broadcast is raised
The rated power of sound device (or sound column) is not less than 3W；The public places such as aisle, hall, dining room, the configuration of loudspeaker, should ensure that
15m is no more than from this layer of any position to the walking distance of a nearest loudspeaker.In aisle, infall, corner all should set and raise
Sound device.Last loudspeaker of aisle end is not more than 8m away from wall；Single power amplifier failure should not result in whole broadcast system and overturn,
Active/standby power amplifier and corresponding automatic switching apparatus should otherwise be configured；Single speaker fail should not result in whole broadcast subregion and lose
Effect, should be able to otherwise find in time；Fire line about connector should meet the relevant rule of IEC60268-11 or IEC60268-12
It is fixed；Equipment for Emergent Public Events urgent broadcast should be at hot stand-by duty, can alarm signal triggering under automatic,
And can automatically monitor, automatically generate log；Existing emergency broadcase system species is various, such as Chinese Patent Application No.：
201410217206.X, discloses a kind of emergency broadcase system, including multi-stage broadcast unit, every grade of radio unit include front end,
Controller, controller secure module, terminal and terminal security module；Wherein, the control instruction and sound of front end generation emergent broadcast
Frequently, send to this grade of controller；Controller receives this grade of control instruction and audio of front end, or higher controller control bag
And audio, and send to this grade of controller secure module, forwarding control bag and audio；Controller secure module to control instruction or
Person's control bag is checked and is parsed that control instruction encryption is generated into control wraps, and sets this grade of work state information of controller,
And it is back to this grade of controller；Terminal receives the control bag and audio of this grade of controller and sends to terminal security module, plays
Audio；Terminal security module is being decrypted and is authenticating to control bag, sets this grade of work state information of terminal and is back to
This grade of terminal；The present invention improves the compatibility and security of emergency broadcase system；But it cannot compatible large scale disasters and small-sized
Local emergent broadcast.
The content of the invention
To solve the above problems, the present invention proposes a kind of emergency broadcase system, can realize DTV, play audio amplifier
Triple emergent broadcasts are realized with radio, it should fully tackle large scale disasters, it is ensured that should in each grade stage at least one kind
Anxious broadcast；Small-sized local emergent broadcast can fully be tackled by broadcast host and call site broadcast module simultaneously.
Emergency broadcase system of the invention, including the mutually at least three-level broadcasting agency of backup；The three-level plays mechanism
First order broadcasting agency including being set in turn in confidential office of the local people's government, the second of local people broadcasting station studio
Level broadcasting agency and the third level broadcasting agency of local cable TV network Broadcast Control computer room；The first order and second level broadcast machine
Structure passes to third level broadcasting agency by fiber optic network；The third level broadcasting agency and digital television signal are connected to digital electricity
Depending on front end multiplexer；The digital TV front-end multiplexer communicates to connect playback terminal by modulation transmissions device；The first order
Broadcast host is additionally provided with broadcasting agency, and the broadcast interface communicated with broadcast host input；And exported with broadcast host
Hold the host exchange of communication；And frequency modulation broadcast system, on-site monitoring audio amplifier and the partition management interchanger communicated with host exchange；
The partition management interchanger output end is communicatively connected to the broadcast audio amplifier in each region.
Used as preferred technical scheme, its idle port of digital TV front-end multiplexer communication connection third level is broadcasted
Mechanism.
Used as preferred technical scheme, the third level broadcasting agency broadcasts upgrading stream, and all playback terminals are received in net
Emergent digital audio broadcasting state is automatically switched to after emergent broadcast specific identifier, emergent broadcast content is broadcast, while there is phase
The background text answered.
As preferred technical scheme, third level broadcasting agency output digital audio and video signals be using MPEG-1 or
MPEG-2 second/third layer coded systems, its encoding rate is between 96 ~ 192kbit/s.
As preferred technical scheme, the broadcast built in sound box power storage module；The power storage module is by solar energy and electricity
Power net dual power supply.
Used as preferred technical scheme, the host exchange and frequency modulation broadcast system communicate；It is in issue emergent broadcast letter
After breath, broadcast data of the interface to broadcast host typing are broadcasted to frequency modulation broadcast system using host exchange, furthermore with interconnection
Net is published to each channel；Frequency modulation broadcast system completes carrier modulation, meanwhile, by the data message output of the modes such as RDS
On harmonic is subsidiary, transmitted to controller is received using all kinds of channels.
Used as preferred technical scheme, the broadcast interface is made up of phone broadcast interface and recording broadcast interface.
Used as preferred technical scheme, the phone broadcast interface is provided with ring detecting circuit.
Used as preferred technical scheme, the partition management interchanger is led to by DAB optical transmitter and receiver with broadcast audio amplifier
Letter.
As preferred technical scheme, the DAB optical transmitter and receiver input also and be connected to call site broadcast module,
After the broadcast audio amplifier receives data, by detect determine be partition management interchanger and call site broadcast in module one
Road or two paths of data are input into, and when all the way, directly play out, and when two-way is input into, play call site broadcast module input voice
Data.
Compared with prior art, emergency broadcase system of the invention can realize DTV, play audio amplifier the present invention
Triple emergent broadcasts are realized with radio, it should fully tackle large scale disasters, it is ensured that should in each grade stage at least one kind
Anxious broadcast；Small-sized local emergent broadcast can fully be tackled by broadcast host and call site broadcast module simultaneously.
Brief description of the drawings
Fig. 1 is emergency broadcase system overall structure diagram of the invention.
Specific embodiment
Embodiment 1：
As shown in figure 1, emergency broadcase system of the invention, including the mutually at least three-level broadcasting agency of backup；The three-level is broadcast
Laying mechanism includes being set in turn in the first order broadcasting agency of confidential office of the local people's government, local people broadcasting station studio
Second level broadcasting agency and local cable TV network Broadcast Control computer room third level broadcasting agency；The first order and the second level
Broadcasting agency passes to third level broadcasting agency by fiber optic network；The third level broadcasting agency and digital television signal are connected to
Digital TV front-end multiplexer；The digital TV front-end multiplexer communicates to connect playback terminal by modulation transmissions device；It is described
Broadcast host is additionally provided with first order broadcasting agency, and the broadcast interface communicated with broadcast host input；And led with broadcast
The host exchange of machine output end communication；And frequency modulation broadcast system, on-site monitoring audio amplifier and the partition management communicated with host exchange
Interchanger；The partition management interchanger output end is communicatively connected to the broadcast audio amplifier in each region.
Its idle port of digital TV front-end multiplexer communication connection third level broadcasting agency.
The third level broadcasting agency broadcasts upgrading stream, in net all playback terminals receive after emergent broadcast specific identifier from
It is dynamic to be switched to emergent digital audio broadcasting state, emergent broadcast content is broadcast, while there is corresponding background text.
The third level broadcasting agency output digital audio and video signals are to be encoded using MPEG-1 or second/third layer of MPEG-2
Mode, its encoding rate is between 96 ~ 192kbit/s.
The broadcast built in sound box power storage module；The power storage module is by solar energy and power network dual power supply.
The host exchange and frequency modulation broadcast system communicate；Its issue emergent broadcast information after, using host exchange to
Frequency modulation broadcast system broadcasts broadcast data of the interface to broadcast host typing, and each channel is published to furthermore with internet；Adjust
Frequency broadcast system completes carrier modulation, meanwhile, the modulated wave of the data message output of the modes such as RDS is attached, using all kinds of
Channel is transmitted to controller is received.
The broadcast interface is made up of phone broadcast interface and recording broadcast interface.
The phone broadcast interface is provided with ring detecting circuit.
The partition management interchanger is communicated by DAB optical transmitter and receiver with broadcast audio amplifier.
The DAB optical transmitter and receiver input also and is connected to call site broadcast module, and the broadcast audio amplifier receives number
According to rear, by detect determine to be partition management interchanger and call site broadcast in module all the way or two paths of data is input into, one
Lu Shi, directly plays out, and when two-way is input into, plays call site broadcast module input speech data.
Emergency broadcase system of the invention, can realize that DTV, broadcasting audio amplifier and radio are realized triple emergent wide
Broadcast, it should fully tackle large scale disasters, it is ensured that in each grade stage at least a kind of emergent broadcast；Pass through broadcast host simultaneously
Small-sized local emergent broadcast can be fully tackled with call site broadcast module.
With above-mentioned according to desirable embodiment of the invention as enlightenment, by above-mentioned description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (10)
1. a kind of emergency broadcase system, it is characterised in that：At least three-level broadcasting agency including mutual backup；The three-level is played
Mechanism includes being set in turn in the first order broadcasting agency of confidential office of the local people's government, local people broadcasting station studio
Second level broadcasting agency and the third level broadcasting agency of local cable TV network Broadcast Control computer room；The first order and the second level are broadcast
Go out mechanism and third level broadcasting agency is passed to by fiber optic network；The third level broadcasting agency and digital television signal are connected to number
Word television headend multiplexer；The digital TV front-end multiplexer communicates to connect playback terminal by modulation transmissions device；Described
Broadcast host is additionally provided with one-level broadcasting agency, and the broadcast interface communicated with broadcast host input；And and broadcast host
The host exchange of output end communication；And frequency modulation broadcast system, on-site monitoring audio amplifier and the partition management communicated with host exchange are handed over
Change planes；The partition management interchanger output end is communicatively connected to the broadcast audio amplifier in each region.
2. emergency broadcase system according to claim 1, is further characterized in that：It is empty for the digital TV front-end multiplexer
Dead end port communications connection third level broadcasting agency.
3. emergency broadcase system according to claim 1, is further characterized in that：The third level broadcasting agency broadcasts upgrading
Stream, all playback terminals automatically switch to emergent digital audio broadcasting state after receiving emergent broadcast specific identifier in net, broadcast
Emergent broadcast content, while there is corresponding background text.
4. emergency broadcase system according to claim 1, is further characterized in that：The third level broadcasting agency output numeral
Audio signal is that its encoding rate is between 96 ~ 192kbit/s using MPEG-1 or MPEG-2 second/third layer coded systems.
5. emergency broadcase system according to claim 1, is further characterized in that：The broadcast built in sound box power storage module；
The power storage module is by solar energy and power network dual power supply.
6. emergency broadcase system according to claim 1, is further characterized in that：The host exchange and frequency modulation broadcast system
Communication；It broadcasts broadcast interface to broadcast host using host exchange after emergent broadcast information is issued to frequency modulation broadcast system
The data of typing, each channel is published to furthermore with internet；Frequency modulation broadcast system completes carrier modulation, meanwhile, by RDS etc.
The modulated wave of the data message output of mode is attached, and is transmitted to controller is received using all kinds of channels.
7. emergency broadcase system according to claim 1, is further characterized in that：The broadcast interface is broadcast interface by phone
Constituted with broadcast interface is recorded.
8. emergency broadcase system according to claim 7, is further characterized in that：The phone broadcast interface is provided with and shakes
Bell detects circuit.
9. emergency broadcase system according to claim 1, is further characterized in that：The partition management interchanger is by numeral
Audio optical transmitter and receiver communicates with broadcast audio amplifier.
10. emergency broadcase system according to claim 1, is further characterized in that：It is described to broadcast audio amplifier input also and connect
There is call site broadcast module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710170884.9A CN106788831A (en) | 2017-03-21 | 2017-03-21 | A kind of emergency broadcase system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710170884.9A CN106788831A (en) | 2017-03-21 | 2017-03-21 | A kind of emergency broadcase system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106788831A true CN106788831A (en) | 2017-05-31 |
Family
ID=58967260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710170884.9A Pending CN106788831A (en) | 2017-03-21 | 2017-03-21 | A kind of emergency broadcase system |
Country Status (1)
| Country | Link |
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| CN (1) | CN106788831A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108039932A (en) * | 2017-11-09 | 2018-05-15 | 安徽帆扬通信电子技术有限公司 | A kind of numeral emergency broadcase system |
| CN112350792A (en) * | 2020-09-27 | 2021-02-09 | 福建新大陆通信科技股份有限公司 | Emergency broadcast data forwarding multiplexing method |
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| CN205681581U (en) * | 2016-06-12 | 2016-11-09 | 荣成鱼哨海洋科技有限公司 | A kind of terrestrial DTV emergency advance warning information system |
| CN106453302A (en) * | 2016-10-09 | 2017-02-22 | 北京数码视讯科技股份有限公司 | Emergency broadcast message transmission device and system |
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| JP2007251298A (en) * | 2006-03-14 | 2007-09-27 | Matsushita Electric Ind Co Ltd | Digital broadcast retransmitter, digital broadcast receiver and digital broadcast retransmission system |
| JP2007281957A (en) * | 2006-04-07 | 2007-10-25 | Sony Corp | System and method for providing emergency warning broadcast |
| CN203554468U (en) * | 2013-11-06 | 2014-04-16 | 徐州江煤科技有限公司 | Mine-used broadcast communications system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108039932A (en) * | 2017-11-09 | 2018-05-15 | 安徽帆扬通信电子技术有限公司 | A kind of numeral emergency broadcase system |
| CN112350792A (en) * | 2020-09-27 | 2021-02-09 | 福建新大陆通信科技股份有限公司 | Emergency broadcast data forwarding multiplexing method |
| CN112350792B (en) * | 2020-09-27 | 2023-05-30 | 福建新大陆通信科技股份有限公司 | Emergency broadcast data forwarding multiplexing method |
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Application publication date: 20170531 |