CN112039616B - Intelligent detection system for emergency broadcast faults and working method thereof - Google Patents
Intelligent detection system for emergency broadcast faults and working method thereof Download PDFInfo
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Abstract
The invention relates to an emergency broadcast fault intelligent detection system and a working method thereof, wherein the system comprises a cloud server and a broadcast terminal, and the broadcast terminal comprises a communication unit, a data processing unit, a play control unit, an audio output unit and an intelligent detection unit; the data processing unit identifies the type of the instruction, and if the instruction is a test broadcast instruction, the intelligent detection unit is activated and a data processing output signal is generated; the playing control unit matches the broadcast content according to the instruction and generates a playing control output signal; the audio output unit receives and plays the matched broadcast content and generates an audio output signal; the intelligent detection unit receives the output signals, compares the output signals with corresponding preset signals, outputs state signals of the units according to comparison results, and transmits the state signals to the cloud server through the communication unit. The invention can accurately position the position of the fault of the emergency broadcast, improve the maintenance efficiency and reduce the time cost and the labor cost.
Description
Technical Field
The invention relates to an emergency broadcast system, in particular to an emergency broadcast fault intelligent detection system and a working method thereof.
Background
When major natural disasters, emergency events, public health, social safety and other sudden public crises occur, the emergency broadcast can provide a rapid and quick information transmission channel, disaster information or possible damage caused by the disasters is transmitted to people in the first time, people can know what happens in the first time, how to evacuate and avoid risks, and life and property loss is reduced to the minimum. Due to the particularity of emergency broadcasting, the emergency broadcasting is rarely used at ordinary times, so that broadcasting faults cannot be found timely. The manual regular inspection is adopted, so that on one hand, the labor cost is high, and on the other hand, the specific fault is not determined, and the inconvenience in maintenance is caused.
The existing broadcasting system can only judge whether the system is normal according to the signal output by the audio output unit, once the fault is detected, whether the fault is caused by the audio output unit or the fault of the preposed playing control unit or the data processing unit cannot be determined, and when the system is maintained, workers still need to disassemble and detect each module in the system, so that time and labor are wasted.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an emergency broadcast fault intelligent detection system and a working method thereof, which can be used for accurately positioning the fault of an emergency broadcast, improving the maintenance efficiency and reducing the time cost and the labor cost.
In order to achieve the purpose, the invention adopts the following technical scheme: an emergency broadcast fault intelligent detection system comprises a cloud server and a broadcast terminal, wherein the broadcast terminal comprises a communication unit, a data processing unit, a play control unit, an audio output unit and an intelligent detection unit; the communication unit is used for data transmission between the cloud server and the broadcast terminal; the data processing unit is used for receiving the instruction from the cloud server, identifying the type of the instruction, activating the intelligent detection unit if the received instruction is determined to be a test broadcast instruction, and generating a data processing output signal to the intelligent detection unit; the playing control unit is used for matching broadcast contents according to the instruction and generating a playing control output signal to the intelligent detection unit; the audio output unit is used for receiving and playing the matched broadcast content and generating an audio output signal to the intelligent detection unit; the intelligent detection unit is used for receiving the data processing output signal, the playing control output signal and the audio output signal, comparing the data processing output signal, the playing control output signal and the audio output signal with corresponding preset signals respectively, outputting state signals of the data processing unit, the playing control unit and the audio output unit according to a comparison result, and transmitting the state signals to the cloud server through the communication unit.
The further technical scheme is as follows: the broadcast terminal also comprises a positioning unit, wherein the positioning unit is used for acquiring the position information of the broadcast terminal, and the positioning unit is connected with the data processing unit.
The further technical scheme is as follows: the intelligent detection unit comprises a data processing detection subunit, a broadcast control detection subunit and an audio output detection subunit; the data processing detection subunit, the broadcast control detection subunit and the audio output detection subunit are respectively connected with the communication unit; the data processing detection subunit is connected with the data processing unit; the play control detection subunit is connected with the play control unit; the audio output detection subunit is connected with the audio output unit.
The further technical scheme is as follows: the intelligent detection device is characterized by further comprising a power supply unit, wherein the power supply unit is respectively connected with the data processing unit, the playing control unit, the audio output unit, the intelligent detection unit, the positioning unit and the communication unit.
The further technical scheme is as follows: the power supply unit includes a battery and a charge management circuit.
The further technical scheme is as follows: the intelligent detection unit also comprises a power supply detection subunit, and the power supply detection subunit is connected with the power supply unit; and the power supply detection subunit judges whether the power supply unit fails according to the output power and the electric quantity of the power supply unit and outputs a state signal of the power supply unit to the communication unit.
The further technical scheme is as follows: the intelligent detection unit further comprises a power supply, and the power supply is connected with the power supply detection subunit, the data processing detection subunit, the broadcast control detection subunit and the audio output detection subunit.
The further technical scheme is as follows: the intelligent detection unit further comprises a storage subunit, and the storage subunit is connected with the power supply detection subunit, the data processing detection subunit, the broadcast control detection subunit, the audio output detection subunit and the power supply.
The invention also provides a working method of the emergency broadcast fault intelligent detection system, which comprises the following steps:
s110, the cloud server sends a test instruction to the communication unit;
s120, the communication unit receives the test instruction, transmits the test instruction to the data processing unit, and feeds back a return value to the cloud server;
s130, the data processing unit receives the instruction and judges the type of the instruction;
s140, if the instruction is a test instruction, activating the intelligent detection unit, issuing the instruction to the play control unit, and generating a data processing output signal to the intelligent detection unit;
s150, the playing control unit matches the broadcast content according to the instruction and generates a playing control output signal to the intelligent detection unit;
s160, the audio output unit receives and plays the matched broadcast content and generates an audio output signal to the intelligent detection unit;
s170, the intelligent detection unit receives the data processing output signal, the playing control output signal and the audio output signal, compares the data processing output signal, the playing control output signal and the audio output signal with corresponding preset signals respectively, outputs state signals of the data processing unit, the playing control unit and the audio output unit according to a comparison result, and transmits the state signals to the communication unit;
s180, the communication unit transmits the received state signals and the position information to a cloud server;
s190, if the instruction is a non-test instruction, the intelligent detection unit is not activated, and only the instruction is issued to the play control unit;
and S1100, the playing control unit matches the broadcast content according to the instruction and controls the audio output unit to play the broadcast.
The further technical scheme is as follows: the step of outputting the status signals of the data processing unit, the playing control unit and the audio output unit according to the comparison result in the step S170 is as follows:
s171, a data processing detection subunit of the intelligent detection unit receives the data processing output signal, compares the data processing output signal with a preset signal and judges whether the data processing output signal is consistent with the preset signal;
s172, if the data processing output signal is consistent with a preset signal, outputting a normal state signal of the data processing unit to a communication unit;
s173, if the data processing output signal is inconsistent with a preset signal or the data processing output signal is not received, outputting an abnormal state signal of the data processing unit to the communication unit;
s174, a play control detection subunit of the intelligent detection unit receives the play control output signal, compares the play control output signal with a preset signal and judges whether the play control output signal is consistent with the preset signal;
s175, if the playing control output signal is consistent with a preset signal, outputting a normal state signal of the playing control unit to a communication unit;
s176, if the playing control output signal is inconsistent with a preset signal or the playing control output signal is not received, outputting an abnormal state signal of the playing control unit to a communication unit;
s147, an audio output detection subunit of the intelligent detection unit receives the audio output signal, compares the audio output signal with a preset signal and judges whether the audio output signal is consistent with the preset signal;
s178, if the audio output signal is consistent with a preset signal, outputting a normal state signal of the audio output unit to a communication unit;
and S179, if the audio output signal is inconsistent with a preset signal or the audio output signal is not received, outputting an abnormal state signal of the audio output unit to the communication unit.
Compared with the prior art, the invention has the beneficial effects that: the cloud server issues a test playing instruction, when the data processing unit judges that the instruction is a test broadcasting instruction, the intelligent detection unit is activated, the playing control unit is driven to carry out content matching, an audio output signal is formed, and the audio output signal is played by the audio output unit; the intelligent detection unit receives signals output by the data processing unit, the playing control unit and the audio output unit, compares the signals with preset signals respectively, outputs state signals of the data processing unit, the playing control unit and the audio output unit according to comparison results, and feeds back the state signals to the cloud server through the communication unit, so that the fault of emergency broadcasting can be accurately positioned, the maintenance efficiency is improved, and the time cost and the labor cost are reduced.
The invention is further described below with reference to the accompanying drawings and specific embodiments.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic block diagram of an emergency broadcast fault intelligent detection system according to an embodiment of the present invention;
FIG. 2 is a schematic block diagram of an intelligent detection unit of an emergency broadcast fault intelligent detection system according to an embodiment of the present invention;
fig. 3 is a schematic flow chart illustrating a working method of the emergency broadcast fault intelligent detection system according to an embodiment of the present invention;
fig. 4 is a sub-flow diagram of a working method of the emergency broadcast fault intelligent detection system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
According to the specific embodiment shown in fig. 1-4, the emergency broadcast fault intelligent detection system provided by the embodiment can be applied to the playing process of emergency broadcast, so that fault detection of each component unit in the emergency broadcast system is realized, and when a fault occurs, the fault can be accurately positioned to the corresponding unit, so that maintenance is facilitated.
Referring to fig. 1, the emergency broadcast fault intelligent detection system includes a cloud server 10 and a broadcast terminal 20, where the broadcast terminal 20 includes a communication unit 26, a data processing unit 21, a play control unit 22, an audio output unit 23, and an intelligent detection unit 24; the communication unit 26 is used for data transmission between the cloud server 10 and the broadcast terminal 20; the data processing unit 21 is configured to receive an instruction from the cloud server 10, identify the type of the instruction, activate the smart detection unit 24 if the instruction is a test instruction, and generate a data processing output signal to the smart detection unit 24; the playing control unit 22 is used for matching the broadcast content according to the instruction and generating a playing control output signal to the intelligent detection unit 24; the audio output unit 23 is used for receiving and playing the matched broadcast and generating an audio output signal to the intelligent detection unit 24; and the intelligent detection unit 24 is used for receiving the data processing output signal, the playing control output signal and the audio output signal, comparing the data processing output signal, the playing control output signal and the audio output signal with corresponding preset signals respectively, outputting state signals of the data processing unit, the playing control unit and the audio output unit according to a comparison result, and transmitting the state signals to the cloud server through the communication unit.
Firstly, a test broadcast instruction is issued by means of the cloud server 10, the communication unit 26 receives the instruction and then transmits the instruction to the data processing unit 21, and a return value is fed back to the cloud server 10; it is possible to determine whether the communication unit 26 is malfunctioning based on the return value. After receiving the instruction, the data processing unit 21 identifies the test broadcast instruction, and if the received instruction is determined to be the test broadcast instruction, activates the smart detection unit 24, generates a data processing output signal to the smart detection unit 24, and transmits the instruction to the play control unit 22; the playing control unit 22 prestores test broadcast contents and commonly used emergency broadcast contents, matches the test broadcast contents after receiving the instruction, and generates an audio output signal to the intelligent detection unit 24; the audio output unit 23 receives and plays the matched test broadcast, and generates an audio output signal to the intellectual detection system unit 24. The intelligent detection unit 24 receives the data processing output signal, the play control output signal, and the audio output signal, compares the data processing output signal, the play control output signal, and the audio output signal with corresponding preset signals, outputs status signals of the data processing unit 21, the play control unit 22, and the audio output unit 23 according to the comparison result, and transmits the status signals to the cloud server 10 through the communication unit 26.
Whether broadcast terminal 20 breaks down is judged according to the state signal of each received unit in high in the clouds server 10, in case detect certain broadcast terminal 20 trouble, can lock fast and have unusual unit, in time remind the staff to maintain, need not artifical quick-witted detection of tearing open, can effectively save the cost of labor, and is more intelligent high-efficient, realizes can pinpointing to the trouble unit place of emergency broadcasting, improves the efficiency of maintenance, reduces time cost and human cost.
In an embodiment, referring to fig. 1, the broadcast terminal 20 further includes a positioning unit 25, where the positioning unit 25 is configured to obtain the position information of the broadcast terminal 20, and the positioning unit 25 is connected to the data processing unit.
In the present embodiment, the positioning unit 25 is, but not limited to, a GPS or a beidou device.
The positioning unit 25 is configured to acquire the geographic position of the broadcast terminal 20, and upload the acquired position information to the cloud server 10, so that the cloud server 10 performs corresponding management in a region division manner. The area division mode is that the cloud server 10 sets area limiting conditions in advance, divides all the broadcast terminals 20 into different areas according to positions, and manages the broadcast terminals 20 in the same area in a unified manner.
In this embodiment, the positioning unit 25 uploads the position information of the broadcasting terminal 20 to the cloud server 10, so that the specific position of the broadcasting terminal 20 with a fault can be quickly positioned, and the maintenance is facilitated.
In the present embodiment, the audio output unit 23 described above includes a power amplifier and a speaker; the power amplifier receives the signal from the play control unit 22 and transmits the signal to the speaker.
In one embodiment, referring to fig. 2, the aforesaid smart detection unit 24 includes a data processing detection subunit 241, a broadcast control detection subunit 242, and an audio output detection subunit 243; the data processing detection subunit 241, the broadcast control detection subunit 242, and the audio output detection subunit 243 are respectively connected to the communication unit 26; the data processing detection sub-unit 241 is connected with the data processing unit 21; the play control detection subunit 242 is connected to the play control unit 22; the audio output detection sub-unit 243 is connected to the audio output unit 23.
In this embodiment, the detection of each unit is performed separately to different sub-units, that is, the data processing detection sub-unit 241 is dedicated to detecting the operation state of the data processing unit 21, the broadcast control detection sub-unit 242 is dedicated to detecting the operation state of the broadcast control unit 22, and the audio output detection sub-unit 243 is dedicated to detecting the operation state of the audio output unit 23, and then the results detected by the three detection sub-units are transmitted to the communication unit 26 for aggregation, and finally uploaded to the cloud server 10.
Specifically, during the test playback, the data processing detection sub-unit 241 receives the output signal of the data processing unit 21 and compares the output signal with the pre-stored normal signal, if the output signal is consistent with the pre-stored normal signal, it indicates that the data processing unit 21 is normal, and if the output signal of the data processing unit 21 is not received or the output signal of the data processing unit 21 is not matched with the pre-stored signal, it determines that the data processing unit 21 is faulty, and outputs the status signal of the data processing unit 21 according to the comparison result, and transmits the status signal to the communication unit 26. Similarly, the play control detecting subunit 242 receives the output signal of the play control unit 22, compares the output signal with the pre-stored normal signal, if the two signals are consistent, it indicates that the play control unit 22 operates normally, and if the output signal of the play control unit 22 is not received or the output signal of the play control unit 22 is not matched with the pre-stored signal, it determines that the play control unit 22 is faulty, and outputs the status signal of the play control unit 22 according to the comparison result, and transmits the status signal to the communication unit 26.
For the audio output detection subunit 243, the audio output detection subunit 243 includes a sound collection module, an analog-to-digital converter, and a microprocessor, where the sound collection module is connected to the analog-to-digital converter, and the analog-to-digital converter is connected to the microprocessor.
Specifically, the sound collection module is a sound sensor, and the model of the sound sensor is, but not limited to, DPTZ-2 KA. In the present embodiment, the analog-to-digital converter is, but not limited to, ADC 0808. The type of microprocessor is, but not limited to, TMS320LF 2407.
The sound collection module of the audio output detection subunit 243 collects the audio signal output by the audio output unit 23, and sends the audio signal to the microprocessor through the analog-to-digital converter, and compares the audio signal with the pre-stored normal signal, if the audio signal output by the audio output unit 23 is not received or the audio signal output by the audio output unit 23 is not matched with the preset signal, the audio output unit 23 is determined to be faulty, and according to the comparison result, the status signal of the audio output unit 23 is output and is transmitted to the communication unit 26.
In the present embodiment, the communication unit 26 is, but not limited to, a 4G or WiFi device.
The communication unit 26 collects the unit status signals output by the detection subunits and the positioning information of the positioning unit 25 and then transmits the collected signals back to the cloud server 10. If the cloud server 10 sends a test broadcast instruction to a certain broadcast terminal 20 and does not receive a status signal of a certain unit fed back by the certain broadcast terminal within 5 minutes, it indicates that a fault exists in a corresponding detection subunit in the intelligent detection unit 24 of the broadcast terminal 20.
The cloud server 10 sends a test broadcast command to the communication unit 26 of each broadcast terminal 20 every day, the communication unit 26 returns a return value after receiving the test broadcast command, and the cloud server 10 determines whether the communication unit 26 fails according to the return value. The communication unit 26 will perform the test broadcast process under normal conditions.
In an embodiment, referring to fig. 1, the emergency broadcast fault intelligent detection system further includes a power supply unit 30, and the power supply unit 30 is respectively connected to the data processing unit 21, the play control unit 22, the audio output unit 23, the intelligent detection unit 24, the positioning unit 25, and the communication unit 26.
In one embodiment, referring to fig. 1, the power supply unit 30 includes a battery and a charging management circuit. The charging management circuit is connected with a battery, and the battery is respectively connected with the data processing unit 21, the playing control unit 22, the audio output unit 23, the intelligent detection unit 24, the positioning unit 25 and the communication unit 26; the charging management circuit converts the external 220V voltage to charge the battery.
In an embodiment, the aforementioned smart detection unit 24 further includes a power detection subunit 244, and the power detection subunit 244 is connected to the power supply unit 30; the power supply detection subunit judges whether the power supply unit fails according to the output power and the electric quantity of the power supply unit and outputs a state signal of the power supply unit to the communication unit.
In this embodiment, the power supply detecting subunit 244 adopts a coulomb meter detection principle, and if it is detected that the difference between the battery output power and the actual device rated power accounts for more than 20% of the rated power or the battery power is lower than 10%, it is determined that the power supply unit 30 has a fault.
In an embodiment, referring to fig. 2, the intelligent detecting unit 24 further includes a power supply 245, and the power supply 245 is connected to the data processing detecting subunit 241, the broadcast control detecting subunit 242, the audio output detecting subunit 243, and the power detecting subunit 244.
In an embodiment, referring to fig. 2, the aforementioned smart detection unit 24 further includes a storage subunit 246, and the storage subunit 246 is connected to the power detection subunit 244, the data processing detection subunit 241, the broadcast control detection subunit 242, the audio output detection subunit 243, and the power supply 245. The storage subunit 246 is used for storing the status signals generated by the detection subunits, generating fault detection records, and performing periodic coverage, so that staff can conveniently track.
In an embodiment, please refer to fig. 3, a method for operating an emergency broadcast fault detection system is further provided, which includes steps S110 to S1110.
S110, the cloud server 10 sends a test command to the communication unit 26;
s120, the communication unit 26 receives the test instruction, transmits the test instruction to the data processing unit 21, and feeds back a return value to the cloud server 10;
s130, the data processing unit 21 receives the instruction and judges the type of the instruction;
s140, if the instruction is a test instruction, activating the intelligent detection unit 24, issuing the instruction to the play control unit 22, and generating a data processing output signal to the intelligent detection unit 24;
s150, the playing control unit 22 matches the broadcast content according to the instruction and generates a playing control output signal to the intelligent detection unit 24;
s160, the audio output unit 23 receives and plays the matched broadcast content, and generates an audio output signal to the intellectual detection unit 24;
s170, the intelligent detection unit 24 receives the data processing output signal, the playing control output signal and the audio output signal, compares the data processing output signal, the playing control output signal and the audio output signal with corresponding preset signals respectively, outputs state signals of the data processing unit 21, the playing control unit 22 and the audio output unit 23 according to a comparison result, and transmits the state signals to the communication unit 26;
s180, the communication unit 26 transmits the received status signals and the location information to the cloud server 10;
s190, if the instruction is a non-test instruction, the intelligent detection unit is not activated, and only the instruction is issued to the play control unit 22;
s1100, the playing control unit 22 matches the broadcast content according to the instruction, and controls the audio output unit 23 to play the broadcast.
In this embodiment, the data processing output signal refers to a result of feeding back whether the data processing unit 21 performs complete processing on the instruction; the play control output signal is a result of whether the play control unit 22 successfully matches the instruction content; the audio output signal refers to an audio signal output by the audio output unit 23.
In one embodiment, referring to fig. 4, the step S170 may include steps S171 to S179.
S171, the data processing detection subunit 241 of the intelligent detection unit 24 receives the data processing output signal, compares the data processing output signal with a preset signal, and judges whether the signals are consistent;
s172, if the data processing output signal is consistent with the preset signal, outputting a normal status signal of the data processing unit 21 to the communication unit 26;
s173, if the data processing output signal is not consistent with the preset signal or the data processing output signal is not received, outputting an abnormal status signal of the data processing unit 21 to the communication unit 26;
s174, the play control detecting subunit 242 of the intelligent detecting unit 24 receives the play control output signal, compares the play control output signal with a preset signal, and determines whether the play control output signal is consistent with the preset signal;
s175, if the playback control output signal is consistent with the preset signal, outputting a normal status signal of the playback control unit 22 to the communication unit 26;
s176, if the play control output signal is not consistent with the preset signal or the play control output signal is not received, outputting an abnormal status signal of the play control unit 22 to the communication unit 26;
s147, the audio output detection subunit 243 of the intelligent detection unit 24 receives the audio output signal, compares the audio output signal with a preset signal, and determines whether the audio output signal is consistent with the preset signal;
s178, if the audio output signal is consistent with the preset signal, outputting a normal state signal of the audio output unit 23 to the communication unit 26;
s179, if the audio output signal is not consistent with the predetermined signal or the audio output signal is not received, outputting an abnormal status signal of the audio output unit 23 to the communication unit 26.
Specifically, the cloud server 10 sends a test broadcast command to the communication unit 26 of each broadcast terminal 20 every day, the communication unit 26 returns a return value after receiving the test broadcast command, and the cloud server 10 determines whether the communication unit 26 fails according to the return value. Under the normal condition of the communication unit 26, the instruction is sent to the data processing unit 21, the data processing unit 21 identifies the type of the instruction after receiving the instruction, and when the instruction is judged to be a test broadcast instruction, the intelligent detection unit 24 is activated, the test broadcast instruction is sent to the play control unit 22, and a data processing output signal is output to the intelligent detection unit 24; the playing control unit 22 prestores test broadcast contents and commonly used emergency broadcast contents, matches the test broadcast contents after receiving a test broadcast instruction, sends the test broadcast contents to the audio output unit 23, plays test broadcast audio, and outputs a playing control output signal to the intelligent detection unit 24; the audio output unit 23 receives and broadcasts the matching broadcast content, and outputs an audio output signal to the intellectual detection unit 24.
In the playing process, the data processing detection subunit 241 receives the output signal of the data processing unit 21, compares the output signal with a pre-stored normal signal, if the output signal is consistent with the pre-stored normal signal, the data processing unit 21 is normal, if no signal is received or the signals are not matched, a fault is determined, and a status signal of the data processing unit 21 is generated according to the comparison result and fed back to the communication unit 26. Similarly, the broadcast control detecting subunit 242 receives the output signal of the broadcast control unit 22, compares the output signal with a pre-stored normal signal, determines a fault if no signal is received or the signals are not matched, generates a status signal of the broadcast control unit 22 according to the comparison result, and feeds the status signal back to the communication unit 26. The sound collection module of the audio output detection subunit 243 collects the audio signal output by the audio output unit 23, and sends the audio signal to the microprocessor through the analog-to-digital converter, compares the audio signal with the pre-stored normal signal, if no signal is received or the signal is not matched, the fault is determined, and the state signal of the audio output unit 23 is generated according to the comparison result and is fed back to the communication unit 26. The communication unit 26 summarizes the status signals of the units and the position information of the positioning device and then transmits the status signals and the position information back to the cloud server 10. If the cloud server 10 sends a test broadcast instruction and does not receive a status signal of a certain detection subunit of the broadcast terminal 20 within 5 minutes, it indicates that a fault exists in the corresponding detection subunit in the intelligent detection unit 24 of the broadcast terminal 20.
It should be noted that, as can be clearly understood by those skilled in the art, the specific implementation process of the working method of the emergency broadcast fault intelligent detection system may refer to the corresponding description in the foregoing embodiment of the emergency broadcast fault intelligent detection system, and for convenience and brevity of description, no further description is provided herein.
The technical contents of the present invention are further illustrated by the examples only for the convenience of the reader, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation based on the present invention is protected by the present invention. The protection scope of the invention is subject to the claims.
Claims (9)
1. An emergency broadcast fault intelligent detection system is characterized by comprising a cloud server and a broadcast terminal, wherein the broadcast terminal comprises a communication unit, a data processing unit, a play control unit, an audio output unit and an intelligent detection unit; the communication unit is used for data transmission between the cloud server and the broadcast terminal; the data processing unit is used for receiving the instruction from the cloud server, identifying the type of the instruction, activating the intelligent detection unit if the received instruction is determined to be a test broadcast instruction, and generating a data processing output signal to the intelligent detection unit; the playing control unit is used for matching broadcast contents according to the instruction and generating a playing control output signal to the intelligent detection unit; the audio output unit is used for receiving and playing the matched broadcast content and generating an audio output signal to the intelligent detection unit; the intelligent detection unit is used for receiving the data processing output signal, the playing control output signal and the audio output signal, comparing the data processing output signal, the playing control output signal and the audio output signal with corresponding preset signals respectively, outputting state signals of the data processing unit, the playing control unit and the audio output unit according to a comparison result, and transmitting the state signals to the cloud server through the communication unit;
the intelligent detection unit comprises a data processing detection subunit, a broadcast control detection subunit and an audio output detection subunit; the data processing detection subunit, the broadcast control detection subunit and the audio output detection subunit are respectively connected with the communication unit; the data processing detection subunit is connected with the data processing unit; the play control detection subunit is connected with the play control unit; the audio output detection subunit is connected with the audio output unit.
2. The emergency broadcast fault intelligent detection system of claim 1, wherein the broadcast terminal further comprises a positioning unit; the positioning unit is used for acquiring the position information of the broadcast terminal; the positioning unit is connected with the data processing unit.
3. The emergency broadcast fault intelligent detection system according to claim 2, further comprising a power supply unit, wherein the power supply unit is respectively connected with the data processing unit, the play control unit, the audio output unit, the intelligent detection unit, the positioning unit and the communication unit.
4. The emergency broadcast fault intelligence detection system of claim 3, wherein the power supply unit comprises a battery and a charge management circuit.
5. The emergency broadcast fault intelligent detection system according to claim 4, wherein the intelligent detection unit further comprises a power detection subunit, and the power detection subunit is connected with the power supply unit; and the power supply detection subunit judges whether the power supply unit fails according to the output power and the electric quantity of the power supply unit and outputs a state signal of the power supply unit to the communication unit.
6. The emergency broadcast fault intelligent detection system of claim 5, wherein the intelligent detection unit further comprises a power supply, and the power supply is connected with the power supply detection subunit, the data processing detection subunit, the broadcast control detection subunit and the audio output detection subunit.
7. The emergency broadcast fault intelligent detection system according to claim 6, wherein the intelligent detection unit further comprises a storage subunit, and the storage subunit is connected with the power supply detection subunit, the data processing detection subunit, the broadcast control detection subunit, the audio output detection subunit and the power supply.
8. An operation method of the emergency broadcast fault intelligent detection system according to any one of claims 1 to 7, characterized by comprising:
s110, the cloud server sends a test instruction to the communication unit;
s120, the communication unit receives the test instruction, transmits the test instruction to the data processing unit, and feeds back a return value to the cloud server;
s130, the data processing unit receives the instruction and judges the type of the instruction;
s140, if the instruction is a test instruction, activating the intelligent detection unit, issuing the instruction to the play control unit, and generating a data processing output signal to the intelligent detection unit;
s150, the playing control unit matches the broadcast content according to the instruction and generates a playing control output signal to the intelligent detection unit;
s160, the audio output unit receives and plays the matched broadcast content and generates an audio output signal to the intelligent detection unit;
s170, the intelligent detection unit receives the data processing output signal, the playing control output signal and the audio output signal, compares the data processing output signal, the playing control output signal and the audio output signal with corresponding preset signals respectively, outputs state signals of the data processing unit, the playing control unit and the audio output unit according to a comparison result, and transmits the state signals to the communication unit;
s180, the communication unit transmits the received state signals and the position information to a cloud server;
s190, if the instruction is a non-test instruction, the intelligent detection unit is not activated, and only the instruction is issued to the play control unit;
and S1100, the playing control unit matches the broadcast content according to the instruction and controls the audio output unit to play the broadcast.
9. The method of claim 8, wherein the step of outputting the status signals of the data processing unit, the playback control unit, and the audio output unit according to the comparison result in step S170 comprises:
s171, a data processing detection subunit of the intelligent detection unit receives the data processing output signal, compares the data processing output signal with a preset signal and judges whether the data processing output signal is consistent with the preset signal;
s172, if the data processing output signal is consistent with a preset signal, outputting a normal state signal of the data processing unit to a communication unit;
s173, if the data processing output signal is inconsistent with a preset signal or the data processing output signal is not received, outputting an abnormal state signal of the data processing unit to the communication unit;
s174, a play control detection subunit of the intelligent detection unit receives the play control output signal, compares the play control output signal with a preset signal and judges whether the play control output signal is consistent with the preset signal;
s175, if the playing control output signal is consistent with a preset signal, outputting a normal state signal of the playing control unit to a communication unit;
s176, if the playing control output signal is inconsistent with a preset signal or the playing control output signal is not received, outputting an abnormal state signal of the playing control unit to a communication unit;
s147, an audio output detection subunit of the intelligent detection unit receives the audio output signal, compares the audio output signal with a preset signal and judges whether the audio output signal is consistent with the preset signal;
s178, if the audio output signal is consistent with a preset signal, outputting a normal state signal of the audio output unit to a communication unit;
and S179, if the audio output signal is inconsistent with a preset signal or the audio output signal is not received, outputting an abnormal state signal of the audio output unit to the communication unit.
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