CN108347288A - A kind of fault detection method and detecting system of disaster alarm broadcast - Google Patents
A kind of fault detection method and detecting system of disaster alarm broadcast Download PDFInfo
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- CN108347288A CN108347288A CN201710043572.1A CN201710043572A CN108347288A CN 108347288 A CN108347288 A CN 108347288A CN 201710043572 A CN201710043572 A CN 201710043572A CN 108347288 A CN108347288 A CN 108347288A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 24
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/12—Arrangements for observation, testing or troubleshooting
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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
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Abstract
The present invention relates to the fault detection methods and detecting system of disaster alarm broadcast.The detection method mainly includes the following steps：A. after disaster alarm receives terminal and its broadcast system installation is complete, it is generated by demarcation signal generation module and sends out demarcation signal, the initial alignment response that feedback module is measured by detection module, is recorded in disaster alarm and receives terminal and/or disaster alarm center；B. regular, automatic or remote control triggering demarcation signal generation module generates and sends out demarcation signal, and response of the feedback module to demarcation signal is monitored by detection module；C. it is responded according to the initial alignment recorded in step a and the demarcation signal of monitoring responds, it is whether normal in conjunction with system exception threshold determination identification broadcast system；If d. step c is determined as exception, disaster alarm receives terminal and/or disaster alarm center prompts fault message.Whether the demarcation signal that the present invention is responded and monitored according to initial alignment responds and combines system exception threshold determination identification broadcast system normal, and carry out broadcast system fault cues and quickly can find and solve failure problems, it can be ensured that the continual and steady operation of entire broadcast system.
Description
Technical field
The present invention relates to disaster alarm technical field, in particular to a kind of fault detect side of disaster alarm broadcast
Method and detecting system.
Background technology
Since big disaster is small probability event, disaster alarm broadcast system usually seldom sounding；Again due to many disasters
It is accident, can not predicts and when arrive, it is therefore desirable to ensure that disaster alarm broadcast system continues normal table operation,
Just can guarantee can send out alarm when disaster occurs.Such as earthquake is small probability event, earthquake pre-warning broadcast system is usually seldom
Sounding；Again since earthquake is accident, it can not predict and when arrive, need to ensure that earthquake pre-warning broadcast system continues just
Normal stable operation, just can guarantee can send out alarm when earthquake occurs.
Due to whether the work of existing disaster alarm broadcast system abnormal cannot be by exact knowledge, so needing regularly pair
It carries out fault detect, can continue normal table operation to ensure disaster alarm broadcast system when needed.
Invention content
It cannot promptly and accurately be known this deficiency, the present invention for whether the work of existing disaster alarm broadcast system is abnormal
Provide a kind of fault detection method and detecting system of disaster alarm broadcast.
The technical solution of the fault detection method of the disaster alarm broadcast is as follows：
A kind of fault detection method of disaster alarm broadcast, the demarcation signal for being responded and being monitored according to initial alignment respond
And identify whether the broadcast system is normal in conjunction with system exception threshold determination.It mainly includes the following steps：
A. it after disaster alarm receives terminal and its broadcast system installation is complete, is generated by demarcation signal generation module concurrent
Go out demarcation signal, the initial alignment that feedback module is measured by detection module responds, and is recorded in disaster alarm and receives eventually
End and/or disaster alarm center；
B. regular, automatic or remote control triggering demarcation signal generation module generates and sends out demarcation signal, passes through detection
Response of the feedback module described in module monitors to demarcation signal；
C. it is responded according to the initial alignment response recorded in step a and the demarcation signal monitored in step b, and combines system
Outlier threshold judgement identifies whether the broadcast system is normal；
If d. step c judges that the broadcast system is abnormal, the disaster alarm center and/or the disaster alarm receive eventually
End prompts fault message by display module and/or sound module.
According to a preferred embodiment, when initial alignment response record receives eventually in the disaster alarm in step a
After end, the demarcation signal monitored in terminal receiving step b is received by the disaster alarm and responds and is judged by step c,
Judgement result is transmitted to the disaster alarm center.
According to a preferred embodiment, when in step a initial alignment response record in the disaster alarm center it
Afterwards, it is responded centrally through the demarcation signal monitored in network transmission receiving step b by the disaster alarm and is sentenced by step c
It is fixed.
According to a preferred embodiment, the broadcast system includes power amplifier, loud speaker and its connection line.
According to a preferred embodiment, the demarcation signal can be the pumping signal of specific frequency, can be people
The frequency that ear can't hear will not impact the normal life and work of people for example, less than 20Hz or being higher than 20kHz；
It can also be signal of the frequency in audiorange, but require the testing time as short as possible (for example, can be less than 1 second) at this time,
And the testing time does not influence work or life (for example, weekend) preferably.
According to a preferred embodiment, the disaster alarm receives terminal and independently or by disaster warning center controls production
Raw demarcation signal.
According to a preferred embodiment, the duration that the demarcation signal is sent out can by disaster alarm center or
Disaster alarm receives terminal to control.
The technical solution of the fault detection system of the disaster alarm broadcast is as follows：
A kind of fault detection system of disaster alarm broadcast comprising disaster alarm receives terminal and the disaster alarm
Receive the broadcast system that terminal is connected, the feedback module and detection module being connected with the broadcast system, the detection mould
Block also receives terminal with the disaster alarm and is connected；
The disaster alarm receives terminal：The communication transmission module being connect with disaster alarm center, with the communication
The comprehensive analysis processing module that transmission module is connected, the disaster alarm signal production being connected with the comprehensive analysis processing module
Raw module, demarcation signal generation module, failure analysis module, display module, sound module；Wherein, the demarcation signal generates
Module is set to the disaster alarm and receives in terminal, and terminal is received independently or by the control production of disaster warning center by disaster alarm
Raw demarcation signal；Demarcation signal is recorded in the disaster alarm and receives terminal and/or the disaster alarm center；
The broadcast system includes receiving power amplifier, loud speaker and the connection line that terminal is connect with disaster alarm；
The failure analysis module is responded and is tied according to the demarcation signal of initial alignment response and detection module monitoring
Collaboration system outlier threshold judges whether the broadcast system is normal.
The disaster alarm center and/or the disaster alarm receive terminal and are carried by display module and/or sound module
Show the fault message of the broadcast system.
The beneficial effects of the present invention are：
The present invention responds according to the demarcation signal of initial alignment signal and monitoring and system exception threshold value is combined to can be determined that
It identifies whether the broadcast system (including power amplifier, loud speaker and its connection line) is normal, and disaster alarm can be passed through
It receives terminal and/or disaster alarm center carries out fault cues, quickly to find and solve failure problems.
Description of the drawings
Fig. 1 is the flow chart of the fault detection method of disaster alarm broadcast of the present invention；
Fig. 2 is the structural schematic diagram of the fault detection system of disaster alarm broadcast of the present invention；
Fig. 3 is the structural schematic diagram of the fault detection system of earthquake pre-warning broadcast.
Specific implementation mode
It is described in detail below in conjunction with the accompanying drawings.
Fig. 1 is the flow chart of the fault detection method of disaster alarm broadcast of the present invention, and it discloses a kind of disaster alarm is wide
The fault detection method broadcast, the demarcation signal for being responded and being monitored according to initial alignment respond and combine system exception threshold determination
Identify whether broadcast system is normal.
Preferably, the fault detection method of disaster alarm broadcast mainly includes the following steps：
A. it after disaster alarm receives terminal and its broadcast system installation is complete, is generated by demarcation signal generation module concurrent
Go out demarcation signal, the initial alignment that feedback module is measured by detection module responds, and is recorded in disaster alarm and receives eventually
End and/or disaster alarm center；
B. regular, automatic or remote control triggering demarcation signal generation module generates and sends out demarcation signal, passes through detection
Response of the module monitors feedback module to demarcation signal；
C. it is responded according to the initial alignment response recorded in step a and the demarcation signal monitored in step b, and combines system
Whether outlier threshold judgement identification broadcast system is normal.
If the demarcation signal response of monitoring and the deviation of initial alignment response are less than system exception threshold value, show broadcast system
System is normal；If the demarcation signal response of monitoring and the deviation of initial alignment response are more than system exception threshold value, show to broadcast
System exception.
If d. step c judges that broadcast system is abnormal, disaster alarm center and/or disaster alarm receive terminal by showing mould
Block and/or sound module prompt fault message.
Wherein, system exception threshold value can be 3%, 5%, 8% or 10%.
Wherein, the demarcation signal response of monitoring can be transmitted to disaster alarm reception terminal and be judged, be connect by disaster alarm
Receiving terminal will judge that result is transmitted to disaster alarm center；Also the demarcation signal of monitoring can be responded and is transmitted through the network to disaster
Warning center is judged.Specifically, after initial alignment response record receives terminal in disaster alarm in step a, by calamity
Evil early warning receives the demarcation signal monitored in terminal receiving step b and responds and judged by step c, and judgement result is transmitted to
Disaster alarm center.After initial alignment response record is in disaster alarm center in step a, by disaster alarm centrally through net
The demarcation signal monitored in network transmission receiving step b responds and is judged by step c.Disaster alarm receives terminal and disaster is pre-
Alert center can also simultaneously respond the demarcation signal of monitoring to be judged by step c.
Broadcast system includes power amplifier, loud speaker and its connection line.When power amplifier, loud speaker and its connection
When circuit is abnormal, disaster alarm center and/or disaster alarm receive terminal and prompt failure letter by display module, sound module
Breath, related personnel receive abnormal post-processing, debug.
Wherein, demarcation signal can be the pumping signal of specific frequency, can be the signal for the frequency that human ear can't hear, example
Such as, it is less than 20Hz or is higher than 20kHz, the normal life and work of people will not be impacted；Can also be frequency in sound
Signal within the scope of frequency, but require the testing time as short as possible (for example, can be less than 1 second) at this time, and the testing time is preferably not
Influence work or life (for example, weekend).
Wherein, the duration that demarcation signal is sent out can receive terminal to control by disaster alarm center or disaster alarm
System.Such as the duration of demarcation signal is less than or equal to 1 second, is more quickly demarcated with realizing.Preferably, demarcation signal continues
Time is less than or equal to be 0.5 second.
According to a preferred embodiment, feedback module can be feedback resistance.Broadcast system is monitored by feedback resistance
The size of current for connection line of uniting is demarcated to realize.In the present invention, observation circuit scheme more than one, including and be not limited to feed back
Resistance.
In addition, the number for the loud speaker that broadcast system is connected in the present invention is unlimited, it is also possible to it is ignorant in advance, it is whole
The loudspeaker status of a broadcast system can be calibrated.Therefore, the quantity of loud speaker is not solid in broadcast system in the present invention
Fixed, those skilled in the art's voluntarily selection quantity setting according to actual needs.
The present invention responds and monitors demarcation signal according to initial alignment and responds and system exception threshold value is combined to can be determined that knowledge
Whether other broadcast system (including power amplifier, loud speaker and its connection line) is normal, and can be received eventually by disaster alarm
End and/or disaster alarm center carry out fault cues, quickly to find and solve failure problems, it can be ensured that entire broadcast system
The continual and steady operation of system.
As shown in Fig. 2, the fault detection system of the disaster alarm broadcast of the present invention comprising disaster alarm reception terminal,
The broadcast system that terminal is connected, the feedback module being connected with the broadcast system and detection mould are received with the disaster alarm
Block, the detection module also receive terminal with the disaster alarm and are connected.
Wherein, the disaster alarm reception terminal includes：The communication transmission module being connect with disaster alarm center, and it is described
The comprehensive analysis processing module that communication transmission module is connected, the disaster alarm letter being connected with the comprehensive analysis processing module
Number generation module, demarcation signal generation module, failure analysis module, display module, sound module.
Wherein, the demarcation signal generation module is set to the disaster alarm and receives in terminal, is received by disaster alarm
Terminal is autonomous or is controlled generation demarcation signal by disaster warning center；Demarcation signal is recorded in the disaster alarm and receives terminal
The disaster alarm center and/or；
Wherein, the broadcast system includes receiving power amplifier, loud speaker and the connection that terminal is connect with disaster alarm
Circuit；
Wherein, the failure analysis module is responded according to the demarcation signal of initial alignment response and detection module monitoring
And identify whether the broadcast system is normal in conjunction with system exception threshold decision.
The disaster alarm center and/or the disaster alarm receive terminal and are carried by display module and/or sound module
Show the fault message of the broadcast system.
It is specifically described by taking earthquake disaster as an example below：
The fault detection method of earthquake pre-warning broadcast comprising following steps：
(1) earthquake pre-warning receive terminal and its broadcast system installation after, be set to earthquake pre-warning receive terminal in mark
Determine signal generating module and generate and send out demarcation signal, the initial alignment that feedback module is measured by detection module responds, and will
It is recorded in earthquake pre-warning and receives terminal and/or earthquake pre-warning center.
(2) in system operation, earthquake pre-warning receive terminal or earthquake pre-warning center periodically, automatic or remote control touches
The demarcation signal generation module that hair earthquake pre-warning receives in terminal generates and sends out demarcation signal, is monitored and is fed back by detection module
The demarcation signal of module responds.
(3) demarcation signal that failure analysis module is responded and monitored according to initial alignment responds and combines system exception threshold value
Whether (for example, 3%, 5%, 8% or 10%) judgement identification broadcast system works normally.If monitoring demarcation signal response with just
The deviation that calibration responds that begins is less than system exception threshold value, then shows that broadcast system is normal；If monitoring demarcation signal response with just
When the deviation that calibration responds that begins is more than system exception threshold value, then show broadcast system exception.
Wherein, the demarcation signal response of monitoring can be transmitted to earthquake pre-warning reception terminal and be judged, be connect by earthquake pre-warning
Receiving terminal will judge that result is transmitted to earthquake pre-warning center；Also the demarcation signal of monitoring can be responded and is transmitted through the network to earthquake
Warning center is judged.Specifically, after initial alignment response record receives terminal in earthquake pre-warning in step (1), by
Earthquake pre-warning receives the demarcation signal monitored in terminal receiving step (2) and responds and judged by step (3), will judge result
It is transmitted to earthquake pre-warning center.After initial alignment response record is in earthquake pre-warning center in step (1), by earthquake pre-warning
The heart is responded by the demarcation signal monitored in network transmission receiving step (2) and is judged by step (3).Earthquake pre-warning receives
Terminal and earthquake pre-warning center can also simultaneously respond the demarcation signal of monitoring to be judged by step (3).
(4) it is shown if step (3) judgement broadcast system exception, earthquake pre-warning center and/or earthquake pre-warning reception terminal pass through
Show module and/or sound module prompt fault message.
Wherein, earthquake pre-warning center and/or earthquake pre-warning receive terminal control demarcation signal generation module and generate calibration letter
Number；
Wherein, demarcation signal can be the pumping signal of specific frequency, can be the signal for the frequency that human ear can't hear, example
Such as, it is less than 20Hz or is higher than 20kHz, the normal life and work of people will not be impacted；Can also be frequency in sound
Signal within the scope of frequency, but require the testing time as short as possible (for example, can be less than 1 second) at this time, and the testing time is preferably not
Influence work or life (for example, weekend).And it is possible to the time by controlling demarcation signal, such as 0.5 second, it realizes faster
It demarcates promptly；
Wherein, broadcast system includes power amplifier, loud speaker and its connection line.When power amplifier, loud speaker and
When its connection line is abnormal, earthquake pre-warning center and/or earthquake pre-warning receive terminal and are prompted by display module, sound module
Fault message, related personnel receive abnormal post-processing, debugging.
Wherein, feedback circuit can be feedback resistance, can pass through feedback resistance to the monitoring of demarcation signal in the present embodiment
The Calibrated current size on broadcast system is monitored to realize.
The number that the loud speaker that broadcast system is connected is monitored in the present embodiment is unlimited, it is also possible to and it is ignorant in advance,
The loudspeaker status of whole system can be calibrated.Therefore, the quantity of loud speaker is not solid in broadcast system in the present embodiment
Fixed, those skilled in the art's voluntarily selection quantity setting according to actual needs.
According to the fault detection method that above-mentioned earthquake pre-warning is broadcasted, the present invention also provides a kind of events of earthquake pre-warning broadcast
Hinder detecting system.
Earthquake pre-warning Broadcast Fault detecting system includes that earthquake pre-warning receives terminal, is connected with earthquake pre-warning reception terminal
The broadcast system connect and the feedback module and detection module that are connected with broadcast system, detection module also receive eventually with earthquake pre-warning
End is connected.Earthquake pre-warning receives terminal：The communication transmission module being connect with earthquake pre-warning center, with communication transmission module
The comprehensive analysis processing module being connected, the seismic warning signal generation module being connected with comprehensive analysis processing module, calibration
Signal generator module, failure analysis module, display module, sound module.Broadcast system includes power amplifier, loud speaker and company
Link.
Wherein, earthquake pre-warning receives the information that the communication transmission module in terminal receives earthquake pre-warning center, exports to comprehensive
It closes analysis and processing module and then passes through display module and sound module if comprehensive analysis processing module is determined as earthquake pre-warning information
It is prompted, and by seismic warning signal generation module generation earthquake pre-warning broadcast singal and pre- by broadcast system broadcasting earthquake
Alert alarm.
Wherein, after earthquake pre-warning receives terminal and its broadcast system installation is complete, the control of earthquake pre-warning center or earthquake are pre-
The alert terminal that receives independently generates by demarcation signal generation module and sends out demarcation signal, and feedback module is measured by detection module
Initial alignment response, and be recorded in earthquake pre-warning and receive terminal and/or earthquake pre-warning center.
Wherein, in system operation, earthquake pre-warning receives terminal or earthquake pre-warning center is regular, automatic or long-range control
It makes the demarcation signal generation module that early warning receives in terminal of initiating earthquake and generates and send out demarcation signal, monitored by detection module
Response of the feedback module to demarcation signal.
Earthquake pre-warning receives the demarcation signal that terminal or earthquake pre-warning center respond and monitor according to initial alignment and responds simultaneously
It is whether normal in conjunction with system exception threshold determination identification broadcast system.If the demarcation signal response of monitoring and initial alignment response
Deviation is less than system exception threshold value, then shows that broadcast system is normal；If the demarcation signal response of monitoring and initial alignment response
When deviation is more than system exception threshold value, then show broadcast system exception.System exception threshold value can be set as needed, such as may be used
To be set as 3%, 5%, 8% or 10% etc..
After initial alignment response record receives terminal in earthquake pre-warning, terminal is received by earthquake pre-warning and receives monitoring
Demarcation signal response is judged, and judgement result is transmitted to earthquake pre-warning center.When initial alignment response record is in earthquake
After warning center, the demarcation signal sound that earthquake pre-warning receives terminal by the monitoring of network transmission is received by earthquake pre-warning center
Should and it be judged.Earthquake pre-warning receives terminal and earthquake pre-warning center and can also respond and carry out to the demarcation signal of monitoring simultaneously
Judgement.
Broadcast system includes power amplifier, loud speaker and its connection line.When power amplifier, loud speaker and its connection
When circuit is abnormal, earthquake pre-warning center and/or earthquake pre-warning receive terminal and prompt failure letter by display module, sound module
Breath, related personnel receive abnormal post-processing, debug.
Wherein, in this system demarcation signal can be specific frequency pumping signal, can be the frequency that can't hear of human ear
Signal, for example, be less than 20Hz, or be higher than 20kHz, the normal life and work of people will not be impacted；It can also
It is signal of the frequency in audiorange, but requires the testing time as short as possible (for example, be less than 1 second) at this time and the testing time is most
It is good not influence work or life (for example, weekend).And the duration of demarcation signal can be controlled, such as 0.5 second, it realizes faster
It demarcates promptly.
Wherein, the present embodiment can monitor the monitoring of demarcation signal the Calibrated current size of broadcast system by feedback resistance
To realize.Certainly, the monitoring of demarcation signal can also be realized by other circuits, be not limited to resistance feedback.
The number that the loud speaker that broadcast system is connected is monitored in the present embodiment is unlimited, it is also possible to and it is ignorant in advance,
The loudspeaker status of whole system can be calibrated.Therefore, the quantity of loud speaker is not solid in broadcast system in the present embodiment
Fixed, those skilled in the art's voluntarily selection quantity setting according to actual needs.
The demarcation signal that the present invention is responded and monitored according to initial alignment through the invention responds and combines system exception threshold
Value can be determined that whether identification broadcast system (including power amplifier, loud speaker and its connection line) is normal, and can pass through ground
It shakes early warning reception terminal and/or earthquake pre-warning center progress fault cues can be true quickly to find and solve failure problems
Protect the continual and steady operation of entire broadcast system.
Present invention can also apply to the disaster alarms such as geological disaster, meteorological disaster, the failure inspections of disaster alarm broadcast
Survey method is similar with the fault detection method that earthquake pre-warning is broadcasted, and details are not described herein.
It should be noted that all features disclosed in this specification or disclosed all methods or in the process the step of,
Other than mutually exclusive feature and/or step, it can combine in any way.
In addition, above-mentioned specific embodiment is exemplary, those skilled in the art can opening in the disclosure of invention
It gives and finds out various solutions, and these solutions also belong to disclosure of the invention range and fall into the protection of the present invention
Within the scope of.It will be understood by those skilled in the art that description of the invention and its attached drawing be it is illustrative and not constitute to power
The limitation that profit requires.Protection scope of the present invention is limited by claim and its equivalent.
Claims (9)
1. a kind of fault detection method of disaster alarm broadcast, which is characterized in that the calibration for being responded and being monitored according to initial alignment
Whether signal responds and combines system exception threshold determination identification disaster alarm broadcast system normal.
2. the fault detection method of disaster alarm broadcast according to claim 1, which is characterized in that it includes following step
Suddenly：
A. after disaster alarm receives terminal and its broadcast system installation is complete, pass through demarcation signal generation module and generate concurrent bid
Determine signal, by detection module measure feedback module initial alignment respond and be recorded in disaster alarm receive terminal with/
Or disaster alarm center；
B. regular, automatic or remote control triggers the demarcation signal generation module and generates and send out demarcation signal, by described
Detection module monitors response of the feedback module to demarcation signal；
C. it is responded according to the initial alignment response recorded in step a and the demarcation signal monitored in step b, and combines system exception
Threshold determination identifies whether disaster alarm broadcast system is normal；
If d. step c judges that the disaster alarm broadcast system is abnormal, the disaster alarm center and/or the disaster alarm connect
Receive the fault message that terminal prompts the disaster alarm broadcast system by display module and/or sound module.
3. the fault detection method of disaster alarm broadcast according to claim 2, which is characterized in that when initial in step a
Response record is demarcated after the disaster alarm receives terminal, is received in terminal receiving step b and is monitored by the disaster alarm
Demarcation signal respond and judged by step c, will judgement result be transmitted to the disaster alarm center.
4. the fault detection method of disaster alarm broadcast according to claim 2, which is characterized in that when initial in step a
Response record is demarcated after the disaster alarm center, by the disaster alarm centrally through in network transmission receiving step b
The demarcation signal of monitoring responds and is judged by step c.
5. the fault detection method of the disaster alarm broadcast according to one of Claims 1-4, which is characterized in that described wide
Broadcast system includes power amplifier, loud speaker and its connection line.
6. the fault detection method of the disaster alarm broadcast according to one of Claims 1-4, which is characterized in that the calamity
Evil early warning receives terminal and independently or by disaster warning center controls generation demarcation signal.
7. the fault detection method of the disaster alarm broadcast according to one of Claims 1-4, which is characterized in that the mark
Terminal can be received to control by the disaster alarm center or the disaster alarm by determining the duration that signal is sent out.
8. the fault detection method of the disaster alarm broadcast according to one of Claims 1-4, which is characterized in that the mark
Determine the pumping signal that signal is specific frequency, for the frequency that human ear can't hear, less than 20Hz or is higher than 20kHz；Either frequency
Signal of the rate in audiorange.
9. a kind of fault detection system of disaster alarm broadcast, which is characterized in that it include disaster alarm receive terminal, with it is described
Disaster alarm receives the broadcast system that terminal is connected, the feedback module and detection module being connected with the broadcast system, institute
Detection module is stated also to be connected with disaster alarm reception terminal；
The disaster alarm receives terminal：The communication transmission module being connect with disaster alarm center, with the communication transfer
The comprehensive analysis processing module that module is connected, the disaster alarm signal being connected with the comprehensive analysis processing module generate mould
Block, demarcation signal generation module, failure analysis module, display module, sound module；
Wherein, the demarcation signal generation module is set to the disaster alarm and receives in terminal, and terminal is received by disaster alarm
It is controlled independently or by disaster warning center and generates demarcation signal；Initial alignment responds and demarcation signal response record is in the disaster
Early warning receives terminal and/or the disaster alarm center；
The broadcast system includes receiving power amplifier, loud speaker and the connection line that terminal is connect with disaster alarm；
The failure analysis module is according to the feedback module of initial alignment response and detection module monitoring to demarcation signal
Response, and combine system exception threshold decision broadcast system whether normal；
The disaster alarm center and/or the disaster alarm receive terminal and prompt institute by display module and/or sound module
State the fault message of broadcast system.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110875791A (en) * | 2018-08-30 | 2020-03-10 | 罗伯特·博世有限公司 | Public address apparatus and method |
| CN112804019A (en) * | 2021-01-19 | 2021-05-14 | 广州市保伦电子有限公司 | Remote broadcast line detection device |
| CN115133980A (en) * | 2022-07-07 | 2022-09-30 | 中国科学院微小卫星创新研究院 | Satellite network node failure detection method, system and computer readable medium |
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| WO2022156153A1 (en) * | 2021-01-19 | 2022-07-28 | 广州市保伦电子有限公司 | Remote broadcast line detection apparatus |
| CN115133980A (en) * | 2022-07-07 | 2022-09-30 | 中国科学院微小卫星创新研究院 | Satellite network node failure detection method, system and computer readable medium |
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