CN108347288B - Fault detection method and system for disaster early warning broadcast - Google Patents
Fault detection method and system for disaster early warning broadcast Download PDFInfo
- Publication number
- CN108347288B CN108347288B CN201710043572.1A CN201710043572A CN108347288B CN 108347288 B CN108347288 B CN 108347288B CN 201710043572 A CN201710043572 A CN 201710043572A CN 108347288 B CN108347288 B CN 108347288B
- Authority
- CN
- China
- Prior art keywords
- early warning
- disaster early
- module
- response
- calibration signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 58
- 230000002159 abnormal effect Effects 0.000 claims abstract description 33
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims abstract description 19
- 238000012544 monitoring process Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 210000005069 ears Anatomy 0.000 claims description 5
- 230000005284 excitation Effects 0.000 claims description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000012805 post-processing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Alarm Systems (AREA)
Abstract
The invention relates to a fault detection method and a fault detection system for disaster early warning broadcasting. The detection method mainly comprises the following steps: a. after the disaster early warning receiving terminal and the broadcast system thereof are installed, a calibration signal is generated and sent out by a calibration signal generating module, the initial calibration response of a feedback module is measured by a detection module, and the initial calibration response is recorded in the disaster early warning receiving terminal and/or a disaster early warning center; b. triggering a calibration signal generation module to generate and send a calibration signal by regular, automatic or remote control, and monitoring the response of a feedback module to the calibration signal by a detection module; c. b, judging whether the broadcasting system is normal or not according to the initial calibration response recorded in the step a and the monitored calibration signal response by combining a system abnormity threshold; d. and c, if the disaster early warning receiving terminal and/or the disaster early warning center are judged to be abnormal, fault information is prompted. The invention judges and identifies whether the broadcasting system is normal or not according to the initial calibration response and the monitored calibration signal response and by combining the system abnormal threshold value, and the fault problem can be rapidly found and solved by carrying out the fault prompt of the broadcasting system, thereby ensuring the continuous and stable operation of the whole broadcasting system.
Description
Technical Field
The invention relates to the technical field of disaster early warning, in particular to a fault detection method and a fault detection system for disaster early warning broadcasting.
Background
Because a large disaster is a small-probability event, the disaster early warning broadcasting system rarely sounds at ordinary times; and as many disasters are emergencies and the arrival time cannot be predicted, the disaster early warning broadcasting system needs to be ensured to continuously and stably operate, and the alarm can be sent out when the disasters occur. For example, an earthquake is a small-probability event, and an earthquake early warning broadcasting system rarely sounds at ordinary times; and because the earthquake is an emergency, the arrival time cannot be predicted, and the earthquake early warning broadcasting system needs to be ensured to continuously and normally operate, so that the alarm can be sent out when the earthquake happens.
Because whether the work of the existing disaster early warning broadcasting system is abnormal or not can not be accurately known, the fault detection is frequently required to be carried out on the disaster early warning broadcasting system so as to ensure that the disaster early warning broadcasting system can continuously and normally operate when required.
Disclosure of Invention
The invention provides a fault detection method and a fault detection system for disaster early warning broadcasting, aiming at the defect that whether the existing disaster early warning broadcasting system works abnormally cannot be known accurately in time.
The technical scheme of the fault detection method for disaster early warning broadcast is as follows:
a fault detection method for disaster early warning broadcasting is characterized in that whether a broadcasting system is normal or not is judged and identified according to an initial calibration response, a monitored calibration signal response and a system abnormity threshold. The method mainly comprises the following steps:
a. after the disaster early warning receiving terminal and the broadcast system thereof are installed, a calibration signal is generated and sent out by a calibration signal generating module, the initial calibration response of a feedback module is measured by a detection module, and the initial calibration response is recorded in the disaster early warning receiving terminal and/or a disaster early warning center;
b. triggering a calibration signal generation module to generate and send a calibration signal by regular, automatic or remote control, and monitoring the response of the feedback module to the calibration signal by a detection module;
c. judging and identifying whether the broadcasting system is normal or not according to the initial calibration response recorded in the step a and the calibration signal response monitored in the step b by combining a system abnormal threshold;
d. and c, if the broadcast system is judged to be abnormal in the step c, the disaster early warning center and/or the disaster early warning receiving terminal prompt fault information through a display module and/or a sound module.
According to a preferred embodiment, after the initial calibration response in step a is recorded in the disaster early warning receiving terminal, the disaster early warning receiving terminal receives the calibration signal response monitored in step b and performs determination according to step c, and the determination result is transmitted to the disaster early warning center.
According to a preferred embodiment, after the initial calibration response in step a is recorded in the disaster early warning center, the disaster early warning center receives the calibration signal response monitored in step b through network transmission and judges according to step c.
According to a preferred embodiment, the broadcast system comprises a power amplifier, a loudspeaker and its connection lines.
According to a preferred embodiment, the calibration signal may be an excitation signal of a specific frequency, which may be a frequency inaudible to human ears, for example, lower than 20Hz or higher than 20kHz, and which does not affect normal life and work of people; it may also be a signal with a frequency in the audio range, but this time requires that the test time is as short as possible (e.g. may be less than 1 second) and preferably does not affect work or life (e.g. weekends).
According to a preferred embodiment, the disaster early warning receiving terminal autonomously or under the control of a disaster early warning center generates a calibration signal.
According to a preferred embodiment, the duration of the sending of the calibration signal can be controlled by a disaster early warning center or a disaster early warning receiving terminal.
The technical scheme of the fault detection system for disaster early warning broadcast is as follows:
a fault detection system of disaster early warning broadcast comprises a disaster early warning receiving terminal, a broadcast system connected with the disaster early warning receiving terminal, a feedback module and a detection module which are connected with the broadcast system, wherein the detection module is also connected with the disaster early warning receiving terminal;
the disaster early warning receiving terminal includes: the disaster early warning system comprises a communication transmission module connected with a disaster early warning center, a comprehensive analysis processing module connected with the communication transmission module, a disaster early warning signal generation module, a calibration signal generation module, a fault analysis module, a display module and a sound module which are connected with the comprehensive analysis processing module; the calibration signal generation module is arranged in the disaster early warning receiving terminal and is controlled by the disaster early warning receiving terminal to generate a calibration signal independently or by a disaster early warning center; the calibration signal is recorded in the disaster early warning receiving terminal and/or the disaster early warning center;
the broadcasting system comprises a power amplifier, a loudspeaker and a connecting circuit, wherein the power amplifier, the loudspeaker and the connecting circuit are connected with the disaster early warning receiving terminal;
and the fault analysis module judges whether the broadcasting system is normal or not according to the initial calibration response and the calibration signal response monitored by the detection module and by combining a system abnormal threshold value.
And the disaster early warning center and/or the disaster early warning receiving terminal prompt fault information of the broadcasting system through a display module and/or a sound module.
The invention has the beneficial effects that:
according to the invention, whether the broadcasting system (including the power amplifier, the loudspeaker and the connecting circuit thereof) is normal or not can be judged and identified according to the initial calibration signal and the monitored calibration signal response and by combining the system abnormal threshold, and fault prompt can be carried out through the disaster early warning receiving terminal and/or the disaster early warning center, so that the fault problem can be rapidly found and solved.
Drawings
FIG. 1 is a flow chart of a fault detection method of the disaster warning broadcast of the present invention;
FIG. 2 is a schematic diagram of a fault detection system for disaster warning broadcast in accordance with the present invention;
fig. 3 is a schematic structural diagram of a fault detection system for seismic early warning broadcasting.
Detailed Description
The following detailed description is made with reference to the accompanying drawings.
Fig. 1 is a flowchart of a fault detection method of a disaster early warning broadcast according to the present invention, which discloses a fault detection method of a disaster early warning broadcast, which determines whether a broadcast system is normal according to an initial calibration response and a monitored calibration signal response in combination with a system abnormal threshold.
Preferably, the fault detection method for disaster warning broadcast mainly comprises the following steps:
a. after the disaster early warning receiving terminal and the broadcast system thereof are installed, a calibration signal is generated and sent out by a calibration signal generating module, the initial calibration response of a feedback module is measured by a detection module, and the initial calibration response is recorded in the disaster early warning receiving terminal and/or a disaster early warning center;
b. triggering a calibration signal generation module to generate and send a calibration signal by regular, automatic or remote control, and monitoring the response of a feedback module to the calibration signal by a detection module;
c. and c, judging whether the identified broadcasting system is normal or not according to the initial calibration response recorded in the step a and the calibration signal response monitored in the step b and combining a system abnormity threshold value.
If the deviation between the monitored calibration signal response and the initial calibration response is smaller than the system abnormal threshold value, the broadcast system is normal; and if the deviation of the monitored calibration signal response and the initial calibration response exceeds a system abnormity threshold value, indicating that the broadcasting system is abnormal.
d. And c, if the broadcast system is judged to be abnormal in the step c, the disaster early warning center and/or the disaster early warning receiving terminal prompt fault information through the display module and/or the sound module.
Wherein the system anomaly threshold may be 3%, 5%, 8%, or 10%.
The monitored calibration signal response can be transmitted to a disaster early warning receiving terminal for judgment, and a judgment result is transmitted to a disaster early warning center by the disaster early warning receiving terminal; and the monitored calibration signal response can be transmitted to a disaster early warning center through a network for judgment. Specifically, after the initial calibration response in the step a is recorded in the disaster early warning receiving terminal, the disaster early warning receiving terminal receives the calibration signal response monitored in the step b, determines the response according to the step c, and transmits the determination result to the disaster early warning center. And (c) after the initial calibration response in the step (a) is recorded in the disaster early warning center, the disaster early warning center transmits and receives the calibration signal response monitored in the step (b) through the network and judges according to the step (c). And c, judging the monitored calibration signal response by the disaster early warning receiving terminal and the disaster early warning center at the same time according to the step c.
The broadcasting system includes a power amplifier, a speaker and a connection line thereof. When the power amplifier, the loudspeaker and the connecting lines of the loudspeaker are abnormal, the disaster early warning center and/or the disaster early warning receiving terminal prompt fault information through the display module and the sound module, and relevant personnel receive abnormal post-processing to remove faults.
The calibration signal may be an excitation signal with a specific frequency, and may be a signal with a frequency that cannot be heard by human ears, for example, lower than 20Hz or higher than 20kHz, which does not affect normal life and work of people; it may also be a signal with a frequency in the audio range, but this time requires that the test time is as short as possible (e.g. may be less than 1 second) and preferably does not affect work or life (e.g. weekends).
The duration time of the calibration signal can be controlled by a disaster early warning center or a disaster early warning receiving terminal. For example, the duration of the calibration signal is less than or equal to 1 second to achieve faster calibration. Preferably, the duration of the calibration signal may be 0.5 seconds or less.
According to a preferred embodiment, the feedback module may be a feedback resistor. The calibration is realized by monitoring the current of the broadcast system connecting line through the feedback resistor. In the present invention, there are more than one monitoring circuit schemes, including and not limited to feedback resistors.
In addition, the number of the loudspeakers connected to the broadcasting system is not limited, and the loudspeakers may not be known in advance, and the loudspeaker state of the whole broadcasting system can be calibrated. Therefore, the number of the loudspeakers in the broadcasting system is not fixed, and the number of the loudspeakers can be set by a person skilled in the art according to actual needs.
According to the invention, whether the broadcasting system (including the power amplifier, the loudspeaker and the connecting circuit thereof) is normal or not can be judged and identified according to the initial calibration response and the monitoring calibration signal response and by combining the system abnormal threshold, and fault prompt can be carried out through the disaster early warning receiving terminal and/or the disaster early warning center, so that the fault problem can be rapidly found and solved, and the continuous and stable operation of the whole broadcasting system can be ensured.
As shown in fig. 2, the fault detection system for disaster early warning broadcast of the present invention includes a disaster early warning receiving terminal, a broadcasting system connected to the disaster early warning receiving terminal, a feedback module and a detection module connected to the broadcasting system, wherein the detection module is further connected to the disaster early warning receiving terminal.
Wherein, disaster early warning receiving terminal includes: the disaster early warning system comprises a communication transmission module connected with a disaster early warning center, a comprehensive analysis processing module connected with the communication transmission module, a disaster early warning signal generation module, a calibration signal generation module, a fault analysis module, a display module and a sound module which are connected with the comprehensive analysis processing module.
The calibration signal generation module is arranged in the disaster early warning receiving terminal and is controlled by the disaster early warning receiving terminal to generate a calibration signal independently or by a disaster early warning center; the calibration signal is recorded in the disaster early warning receiving terminal and/or the disaster early warning center;
the broadcasting system comprises a power amplifier, a loudspeaker and a connecting line, wherein the power amplifier, the loudspeaker and the connecting line are connected with the disaster early warning receiving terminal;
and the fault analysis module judges and identifies whether the broadcasting system is normal or not according to the initial calibration response and the calibration signal response monitored by the detection module and by combining a system abnormal threshold.
And the disaster early warning center and/or the disaster early warning receiving terminal prompt fault information of the broadcasting system through a display module and/or a sound module.
The following description will be made by taking an earthquake disaster as an example:
the fault detection method of the earthquake early warning broadcast comprises the following steps:
(1) after the earthquake early warning receiving terminal and the broadcasting system thereof are installed, a calibration signal generating module arranged in the earthquake early warning receiving terminal generates and sends out a calibration signal, the initial calibration response of the feedback module is measured through a detection module, and the initial calibration response is recorded in the earthquake early warning receiving terminal and/or an earthquake early warning center.
(2) In the operation process of the system, the earthquake early warning receiving terminal or the earthquake early warning center triggers a calibration signal generating module in the earthquake early warning receiving terminal to generate and send a calibration signal at regular intervals, automatically or remotely, and the detection module monitors the response of the calibration signal of the feedback module.
(3) The fault analysis module determines whether the identified broadcast system is operating properly based on the initial calibration response and the monitored calibration signal response in combination with a system anomaly threshold (e.g., 3%, 5%, 8%, or 10%). If the deviation between the monitored calibration signal response and the initial calibration response is smaller than the system abnormal threshold value, the broadcast system is normal; and if the deviation of the monitored calibration signal response and the initial calibration response exceeds a system abnormity threshold value, indicating that the broadcasting system is abnormal.
The monitored calibration signal response can be transmitted to an earthquake early warning receiving terminal for judgment, and the earthquake early warning receiving terminal transmits a judgment result to an earthquake early warning center; and the monitored calibration signal response can be transmitted to an earthquake early warning center through a network for judgment. Specifically, after the initial calibration response in the step (1) is recorded in the earthquake early warning receiving terminal, the earthquake early warning receiving terminal receives the calibration signal response monitored in the step (2), judges the response according to the step (3), and transmits the judgment result to the earthquake early warning center. And (3) after the initial calibration response in the step (1) is recorded in the earthquake early warning center, the earthquake early warning center transmits and receives the calibration signal response monitored in the step (2) through the network and judges according to the step (3). And (4) judging the monitored calibration signal response according to the step (3) by the earthquake early warning receiving terminal and the earthquake early warning center at the same time.
(4) And (4) if the broadcast system is judged to be abnormal in the step (3), the earthquake early warning center and/or the earthquake early warning receiving terminal prompt fault information through the display module and/or the sound module.
The earthquake early warning center and/or the earthquake early warning receiving terminal control the calibration signal generation module to generate a calibration signal;
the calibration signal may be an excitation signal with a specific frequency, and may be a signal with a frequency that cannot be heard by human ears, for example, lower than 20Hz or higher than 20kHz, which does not affect normal life and work of people; it may also be a signal with a frequency in the audio range, but this time requires that the test time is as short as possible (e.g. may be less than 1 second) and preferably does not affect work or life (e.g. weekends). Moreover, the calibration can be realized more quickly by controlling the time of the calibration signal, such as 0.5 second;
the broadcasting system comprises a power amplifier, a loudspeaker and a connecting line thereof. When the power amplifier, the loudspeaker and the connecting circuit of the loudspeaker are abnormal, the earthquake early warning center and/or the earthquake early warning receiving terminal prompt fault information through the display module and the sound module, and relevant personnel receive abnormal post-processing to remove the fault.
The feedback circuit may be a feedback resistor, and in this embodiment, the monitoring of the calibration signal may be implemented by monitoring the magnitude of the calibration current in the broadcast system through the feedback resistor.
In this embodiment, the number of speakers connected to the monitoring broadcast system is not limited, and may not be known in advance, and the speaker status of the whole system may be calibrated. Therefore, the number of speakers in the broadcasting system in this embodiment is not fixed, and those skilled in the art can select the number setting according to actual needs.
According to the fault detection method of the earthquake early warning broadcast, the invention also provides a fault detection system of the earthquake early warning broadcast.
The earthquake early warning broadcast fault detection system comprises an earthquake early warning receiving terminal, a broadcast system connected with the earthquake early warning receiving terminal, a feedback module and a detection module, wherein the feedback module and the detection module are connected with the broadcast system, and the detection module is also connected with the earthquake early warning receiving terminal. The earthquake early warning receiving terminal includes: the earthquake early warning system comprises a communication transmission module connected with an earthquake early warning center, a comprehensive analysis processing module connected with the communication transmission module, an earthquake early warning signal generation module, a calibration signal generation module, a fault analysis module, a display module and a sound module which are connected with the comprehensive analysis processing module. The broadcasting system comprises a power amplifier, a loudspeaker and a connecting line.
The communication transmission module in the earthquake early warning receiving terminal receives information of an earthquake early warning center and outputs the information to the comprehensive analysis processing module, if the comprehensive analysis processing module judges that the earthquake early warning information exists, the earthquake early warning information is prompted through the display module and the sound module, the earthquake early warning signal generating module generates earthquake early warning broadcast signals, and an earthquake early warning alarm is played through the broadcast system.
After the earthquake early warning receiving terminal and the broadcast system thereof are installed, the earthquake early warning center controls or the earthquake early warning receiving terminal autonomously generates and sends out a calibration signal through the calibration signal generating module, measures the initial calibration response of the feedback module through the detection module, and records the initial calibration response in the earthquake early warning receiving terminal and/or the earthquake early warning center.
In the operation process of the system, the earthquake early warning receiving terminal or the earthquake early warning center triggers a calibration signal generation module in the earthquake early warning receiving terminal to generate and send a calibration signal at regular intervals, automatically or remotely, and the response of the feedback module to the calibration signal is monitored through the detection module.
And the earthquake early warning receiving terminal or the earthquake early warning center judges whether the broadcasting system is normal or not according to the initial calibration response and the monitored calibration signal response and by combining the system abnormity threshold value. If the deviation between the monitored calibration signal response and the initial calibration response is smaller than the system abnormal threshold value, the broadcast system is normal; and if the deviation of the monitored calibration signal response and the initial calibration response exceeds a system abnormity threshold value, indicating that the broadcasting system is abnormal. The system anomaly threshold can be set as required, such as 3%, 5%, 8%, or 10%.
And after the initial calibration response is recorded in the earthquake early warning receiving terminal, the earthquake early warning receiving terminal receives and monitors the calibration signal response to judge, and transmits the judgment result to the earthquake early warning center. And after the initial calibration response is recorded in the earthquake early warning center, the earthquake early warning center receives the monitored calibration signal response transmitted by the earthquake early warning receiving terminal through the network and judges. The earthquake early warning receiving terminal and the earthquake early warning center can also judge the response of the monitored calibration signal at the same time.
The broadcasting system includes a power amplifier, a speaker and a connection line thereof. When the power amplifier, the loudspeaker and the connecting circuit of the loudspeaker are abnormal, the earthquake early warning center and/or the earthquake early warning receiving terminal prompt fault information through the display module and the sound module, and relevant personnel receive abnormal post-processing to remove the fault.
The calibration signal in the system can be an excitation signal with a specific frequency, can be a signal with a frequency which can not be heard by human ears, for example, the frequency is lower than 20Hz or higher than 20kHz, and cannot affect the normal life and work of people; it may also be a signal with a frequency in the audio range, but this time it is desirable that the test time is as short as possible (e.g. less than 1 second) and that the test time preferably does not affect work or life (e.g. weekends). And the duration of the calibration signal can be controlled, for example, 0.5 second, to achieve faster calibration.
In this embodiment, the monitoring of the calibration signal may be implemented by feeding back the magnitude of the calibration current of the resistor monitoring broadcasting system. Of course, the monitoring of the calibration signal may also be implemented by other circuits, not limited to resistive feedback.
In this embodiment, the number of speakers connected to the monitoring broadcast system is not limited, and may not be known in advance, and the speaker status of the whole system may be calibrated. Therefore, the number of speakers in the broadcasting system in this embodiment is not fixed, and those skilled in the art can select the number setting according to actual needs.
According to the invention, whether the broadcasting system (including the power amplifier, the loudspeaker and the connecting circuit thereof) is normal can be judged and identified according to the initial calibration response and the monitored calibration signal response and by combining the system abnormal threshold, and fault prompt can be carried out through the earthquake early warning receiving terminal and/or the earthquake early warning center, so that the fault problem can be rapidly found and solved, and the continuous and stable operation of the whole broadcasting system can be ensured.
The method can also be applied to disaster early warning of geological disasters, meteorological disasters and the like, and the fault detection method of the disaster early warning broadcast is similar to the fault detection method of the earthquake early warning broadcast, and is not repeated here.
It should be noted that all of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.
In addition, the above-described embodiments are exemplary, and those skilled in the art, having benefit of this disclosure, will appreciate numerous solutions that are within the scope of the disclosure and that fall within the scope of the invention. It should be understood by those skilled in the art that the present specification and figures are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.
Claims (7)
1. A fault detection method for disaster early warning broadcast is characterized by comprising the following steps: a fault detection system of disaster early warning broadcast comprises a disaster early warning receiving terminal, a broadcast system connected with the disaster early warning receiving terminal, a feedback module and a detection module which are connected with the broadcast system, wherein the detection module is also connected with the disaster early warning receiving terminal;
the disaster early warning receiving terminal includes: the disaster early warning system comprises a communication transmission module connected with a disaster early warning center, a comprehensive analysis processing module connected with the communication transmission module, a disaster early warning signal generation module, a calibration signal generation module, a fault analysis module, a display module and a sound module which are connected with the comprehensive analysis processing module;
judging whether the disaster early warning broadcasting system is normal or not according to the initial calibration response and the monitored calibration signal response and combining with a system abnormal threshold;
the method comprises the following steps:
a. after the disaster early warning receiving terminal and the broadcast system thereof are installed, a calibration signal is generated and sent out by a calibration signal generating module, and the initial calibration response of a feedback module is measured by a detection module and recorded in the disaster early warning receiving terminal and/or a disaster early warning center;
b. triggering the calibration signal generation module to generate and send a calibration signal by regular, automatic or remote control, and monitoring the response of the feedback module to the calibration signal by the detection module;
c. judging whether the disaster early warning broadcasting system is normal or not by combining a system abnormal threshold according to the initial calibration response recorded in the step a and the calibration signal response monitored in the step b, and if the deviation between the monitored calibration signal response and the initial calibration response is smaller than the system abnormal threshold, indicating that the broadcasting system is normal; if the deviation of the monitored calibration signal response and the initial calibration response exceeds a system abnormity threshold value, indicating that the broadcasting system is abnormal;
d. if the disaster early warning broadcasting system is judged to be abnormal in the step c, the disaster early warning center and/or the disaster early warning receiving terminal prompt fault information of the disaster early warning broadcasting system through a display module and/or a sound module;
the calibration signal is an excitation signal with a specific frequency, is a frequency which can not be heard by human ears and is lower than 20Hz or higher than 20 kHz; or a signal with a frequency in the audio frequency range.
2. The method as claimed in claim 1, wherein after the initial calibration response is recorded in the disaster early warning receiving terminal in the step a, the disaster early warning receiving terminal receives the calibration signal response monitored in the step b, determines the response according to the step c, and transmits the determination result to the disaster early warning center.
3. The method as claimed in claim 1, wherein after the initial calibration response is recorded in the disaster warning center in step a, the disaster warning center receives the calibration signal response monitored in step b through network transmission and determines the response according to step c.
4. The fault detection method of a disaster warning broadcast according to one of claims 1 to 3, wherein the broadcasting system comprises a power amplifier, a speaker and its connection lines.
5. The method for detecting faults of disaster warning broadcasting according to one of claims 1 to 3, wherein the disaster warning receiving terminal generates a calibration signal from an autonomous or disaster warning center.
6. The fault detection method of a disaster warning broadcast according to any one of claims 1 to 3, wherein a duration of the emission of the calibration signal can be controlled by the disaster warning center or the disaster warning receiving terminal.
7. A fault detection system for disaster early warning broadcast is characterized by comprising a disaster early warning receiving terminal, a broadcast system connected with the disaster early warning receiving terminal, a feedback module and a detection module, wherein the feedback module and the detection module are connected with the broadcast system;
the disaster early warning receiving terminal includes: the disaster early warning system comprises a communication transmission module connected with a disaster early warning center, a comprehensive analysis processing module connected with the communication transmission module, a disaster early warning signal generation module, a calibration signal generation module, a fault analysis module, a display module and a sound module which are connected with the comprehensive analysis processing module;
the calibration signal generation module is arranged in the disaster early warning receiving terminal and is controlled by the disaster early warning receiving terminal to generate a calibration signal independently or by a disaster early warning center; recording an initial calibration response and a calibration signal response in the disaster early warning receiving terminal and/or the disaster early warning center;
the broadcasting system comprises a power amplifier, a loudspeaker and a connecting circuit, wherein the power amplifier, the loudspeaker and the connecting circuit are connected with the disaster early warning receiving terminal;
the fault analysis module judges whether the broadcasting system is normal or not according to the initial calibration response and the response of the feedback module monitored by the detection module to the calibration signal and by combining a system abnormal threshold value, and if the deviation of the monitored calibration signal response and the initial calibration response is smaller than the system abnormal threshold value, the broadcasting system is normal; if the deviation of the monitored calibration signal response and the initial calibration response exceeds a system abnormity threshold value, indicating that the broadcasting system is abnormal;
and the disaster early warning center and/or the disaster early warning receiving terminal prompt fault information of the broadcasting system through a display module and/or a sound module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710043572.1A CN108347288B (en) | 2017-01-21 | 2017-01-21 | Fault detection method and system for disaster early warning broadcast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710043572.1A CN108347288B (en) | 2017-01-21 | 2017-01-21 | Fault detection method and system for disaster early warning broadcast |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108347288A CN108347288A (en) | 2018-07-31 |
| CN108347288B true CN108347288B (en) | 2020-04-17 |
Family
ID=62974303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710043572.1A Active CN108347288B (en) | 2017-01-21 | 2017-01-21 | Fault detection method and system for disaster early warning broadcast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108347288B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018214695A1 (en) * | 2018-08-30 | 2020-03-05 | Robert Bosch Gmbh | Public address arrangement and procedure |
| 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 | Method, system and computer readable medium for detecting satellite network node fault |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101068132A (en) * | 2007-05-29 | 2007-11-07 | 广州人民广播电台 | Broadcasting intelligent monitoring system and method |
| CN201138801Y (en) * | 2007-05-21 | 2008-10-22 | 广州人民广播电台 | Intelligent broadcast monitoring system |
| CN202275483U (en) * | 2011-10-21 | 2012-06-13 | 合肥置顶信息技术有限公司 | Natural disaster early warning information issuing system |
| CN103887886A (en) * | 2014-04-14 | 2014-06-25 | 杭州昊美科技有限公司 | Power network detection system and method based on sensor network |
| CN105425131A (en) * | 2016-01-26 | 2016-03-23 | 众芯汉创（北京）科技有限公司 | Safety early warning system and method for electric transmission line |
-
2017
- 2017-01-21 CN CN201710043572.1A patent/CN108347288B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201138801Y (en) * | 2007-05-21 | 2008-10-22 | 广州人民广播电台 | Intelligent broadcast monitoring system |
| CN101068132A (en) * | 2007-05-29 | 2007-11-07 | 广州人民广播电台 | Broadcasting intelligent monitoring system and method |
| CN202275483U (en) * | 2011-10-21 | 2012-06-13 | 合肥置顶信息技术有限公司 | Natural disaster early warning information issuing system |
| CN103887886A (en) * | 2014-04-14 | 2014-06-25 | 杭州昊美科技有限公司 | Power network detection system and method based on sensor network |
| CN105425131A (en) * | 2016-01-26 | 2016-03-23 | 众芯汉创（北京）科技有限公司 | Safety early warning system and method for electric transmission line |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108347288A (en) | 2018-07-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101972136B1 (en) | The safety emergency broadcasting apparatus using checking the speaker line | |
| CN108347288B (en) | Fault detection method and system for disaster early warning broadcast | |
| KR102011002B1 (en) | Wireless village broadcasting system | |
| JP6495515B1 (en) | Voice notification device | |
| CA2755695C (en) | Supervisory method and apparatus for audio input path | |
| KR101835365B1 (en) | Public address system capable of monitoring and remote controling speaker | |
| JP6982431B2 (en) | Transmission system for disaster prevention equipment | |
| KR102078661B1 (en) | Apparatus for distributing speakers equipped with protective function of amplifiers | |
| JP7482609B2 (en) | Broadcasting Equipment | |
| JP5819711B2 (en) | Fire alarm equipment and repeaters used for it | |
| KR102502921B1 (en) | Speaker and broadcast line tester device | |
| JP6499525B2 (en) | Fire receiver | |
| KR101604423B1 (en) | Smart detector base device using conventional fire detectors | |
| DE202016008374U1 (en) | Emergency management system, client | |
| JP6628264B1 (en) | Voice emergency information notification device | |
| US10225678B2 (en) | Audio system, calibration module, operating method, and computer program | |
| JP4663597B2 (en) | Speaker characteristic correction device for emergency broadcasting equipment | |
| KR101284058B1 (en) | Public address system using pll circuit | |
| CN103576008A (en) | Electronic device capable of indicating hardware fault through sound, and method | |
| US10204497B1 (en) | Alarm notification system | |
| KR101816690B1 (en) | Method for providing remote diagnosis to at least one broadcasting system and server using the same | |
| JP6628978B2 (en) | Disaster prevention system | |
| KR102078659B1 (en) | Speaker device capable of self emergency broadcasting | |
| CN219394850U (en) | Emergent novel broadcasting equipment based on tunnel metallurgy industrial and mining enterprise | |
| JP6936589B2 (en) | Fire receiver and fire alarm system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200318 Address after: 610041 floor 17, building 6, Tianfu Software Park D, No. 599, shijicheng South Road, Chengdu high tech Zone, China (Sichuan) pilot Free Trade Zone, Chengdu Applicant after: CHENGDU MEIHUAN TECHNOLOGY Co.,Ltd. Address before: 610041 D6 404B, Tianfu Software Park, Chengdu hi tech Zone, Sichuan Applicant before: INSTITUTE OF CARE-LIFE |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A fault detection method and system for disaster early warning broadcasting Effective date of registration: 20211119 Granted publication date: 20200417 Pledgee: Bank of Chengdu science and technology branch of Limited by Share Ltd. Pledgor: CHENGDU MEIHUAN TECHNOLOGY Co.,Ltd. Registration number: Y2021510000274 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230315 Granted publication date: 20200417 Pledgee: Bank of Chengdu science and technology branch of Limited by Share Ltd. Pledgor: CHENGDU MEIHUAN TECHNOLOGY Co.,Ltd. Registration number: Y2021510000274 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Fault Detection Method and Detection System for Disaster Early Warning Broadcasting Effective date of registration: 20230320 Granted publication date: 20200417 Pledgee: Bank of Chengdu science and technology branch of Limited by Share Ltd. Pledgor: CHENGDU MEIHUAN TECHNOLOGY Co.,Ltd. Registration number: Y2023980035237 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |