CN109712371A - Big Dipper short message early warning broadcasting system - Google Patents
Big Dipper short message early warning broadcasting system Download PDFInfo
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- CN109712371A CN109712371A CN201910137801.5A CN201910137801A CN109712371A CN 109712371 A CN109712371 A CN 109712371A CN 201910137801 A CN201910137801 A CN 201910137801A CN 109712371 A CN109712371 A CN 109712371A
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- short message
- early warning
- information
- receiving module
- beidou
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Abstract
Short message comprising alarm casting information is sent to the second Beidou receiving module by the first Beidou receiving module by Big Dipper short message early warning broadcasting system provided by the invention, back-stage management sending device；Second Beidou receiving module of front end warning device parses information after receiving alarm short message information, opens audio power amplifier device if needing to open audio power amplifier device in instruction；Speech recognition is then carried out if necessary to play warning message content, is then output to audio power amplifier device broadcast；Audio power amplifier device power supply is closed if receiving and closing play instruction.Emergency advance warning casting loudspeaker equipment is generally disposed at remote disaster and takes place frequently area, these areas do not have mobile phone signal due to its geographical relief feature, fm broadcast signal intensity may be also very low simultaneously, but Big Dipper satellite signal is but very strong, in remote districts due to not blocking and electromagnetic interference, so that signal is very strong very stable, warning information can be issued in time.
Description
Technical field
The present invention relates to emergency advance warning fields, in particular to Big Dipper short message early warning broadcasting system: a set of encrypted transmission intelligence
The Big Dipper short message early warning broadcasting system that can remotely control.
Background technique
China is, every year by a large amount of natural calamity, to cause people in the world by natural calamity one of the countries with the most serious ...
The a large amount of casualties of the masses and property loss.At present warning information mainly pass through television spot, SMS, GPRS,
The means such as RDS (wireless Data Broadcasting System), phone are issued.It is too dependent on base station, if base station goes wrong, the ground
Area's signal is completely without can not just receive warning information.
Therefore, problem of the existing technology, it is to be further improved and developed.
Summary of the invention
(1) goal of the invention: to solve above-mentioned problems of the prior art, the object of the present invention is to provide a kind of north
Struggle against short message early warning broadcasting system.
(2) technical solution: in order to solve the above-mentioned technical problem, the technical program provides Big Dipper short message early warning casting system
System, wherein including back-stage management sending device and front end warning device；
The back-stage management sending device includes early warning message administrative unit and the first Beidou receiving module；
The front end warning device includes early warning message front end unit, the second Beidou receiving module and audio power amplifier device, described
Second Beidou receiving module is used to receive the timing information of satellite, and received timing by satellite information is sent to the backstage and is managed
Manage sending device；
Short message comprising alarm casting information is sent to by the back-stage management sending device by the first Beidou receiving module
Second Beidou receiving module；
Second Beidou receiving module of the front end warning device parses information after receiving alarm short message information, if in instruction
It needs to open audio power amplifier device and then opens audio power amplifier device；Voice knowledge is then carried out if necessary to play warning message content
Not, it is then output to audio power amplifier device broadcast；Audio power amplifier device power supply is closed if receiving and closing play instruction.
Agreement is compiled the short message protocol code of alarm casting information, 3DES encryption machine by the early warning message administrative unit
The alert casting information of code is encrypted；
The second Beidou receiving module parsing decrypts information after receiving alarm short message information.
The Big Dipper short message early warning broadcasting system, wherein the second Beidou receiving module includes Beidou card management
Module and 12V power supply turn 5V power management submodule.
The Big Dipper short message early warning broadcasting system, wherein the Beidou card management submodule and the 12V power supply turn 5V
Power management submodule is fixed in the shell of mushroom-head shape.
The Big Dipper short message early warning broadcasting system, wherein the audio power amplifier device is to be set to outdoor casting loudspeaker
?.
The Big Dipper short message early warning broadcasting system, wherein the first Beidou receiving module sends received information
To the early warning message administrative unit, the longitude and latitude position of the early warning message administrative unit statistics front end warning device, and root
Front end warning device map is drawn according to the position of longitude and latitude.
The Big Dipper short message early warning broadcasting system, wherein the early warning message administrative unit is run in desktop computer
Management software, desktop computer by RS232 serial ports and the first Beidou receiving module communication.
(3) the utility model has the advantages that Big Dipper short message early warning broadcasting system provided by the invention, emergency advance warning broadcast loudspeaker equipment
Remote disaster is generally disposed to take place frequently area, these areas are due to its geographical relief feature, there without mobile phone signal, meanwhile,
Fm broadcast signal intensity may be also very low, but Big Dipper satellite signal is but very strong, and Big Dipper satellite signal covers entire China
Equal areas, in remote districts due to not blocking and electromagnetic interference is so that signal is very strong very stable can issue early warning letter in time
Breath.
Detailed description of the invention
Fig. 1 is the mushroom head outer casing construction drawing of Big Dipper short message early warning broadcasting system of the present invention；
Fig. 2 is Big Dipper short message early warning broadcasting system flow chart of the present invention；
100- mushroom head shell.
Specific embodiment
The present invention is described in further details below with reference to preferred embodiment, is elaborated in the following description more
Details to facilitate a thorough understanding of the present invention, still, the present invention obviously can be come with a variety of other modes different from this description
Implement, those skilled in the art can without violating the connotation of the present invention according to practical situations make it is similar promote,
It deduces, therefore should not be limited the scope of the invention with the content of this specific embodiment.
Schematic diagram is the schematic diagram of the embodiment of the present invention, it should be noted that this attached drawing only as an example, not be by
It draws, and should not be construed as limiting in this, as to actual requirement protection scope of the invention according to the condition of equal proportion.
One preferred embodiment of Big Dipper short message early warning broadcasting system is provided below with reference to the present invention to be described in detail.
A kind of Big Dipper short message early warning broadcasting system, as shown in Figure 1, including back-stage management sending device and front end alarm dress
It sets, the back-stage management sending device includes early warning message administrative unit and the first Beidou receiving module, the early warning message pipe
Big Dipper short message transmission/reception between unit and front end warning device is managed, to receive the longitude and latitude of the front end warning device
Information.
Agreement is compiled the short message protocol code of alarm casting information, 3DES encryption machine by the early warning message administrative unit
The alert casting information of code is encrypted.
The first Beidou receiving module is by protocol code and the alert casting information of encryption is sent to the front end alarm dress
It sets.The second Beidou receiving module parsing of the front end warning device decrypts information after receiving alarm short message information, and will
The information that the front end warning device returns is sent to the early warning message administrative unit.
The early warning message administrative unit runs on the management software in desktop computer, and desktop computer passes through RS232 serial ports
It is communicated with the first Beidou receiving module.Wherein, background system desktop cpu be PIC18F46K22, present invention employs it
Double serial port communication mode although implementing complexity, but reduces many costs, so that total system seems chip very
It is few.
The front end warning device includes early warning message front end unit and the second Beidou receiving module, and second Beidou connects
The timing information that module is used to receive satellite is received, and received timing by satellite information is sent to the back-stage management and sends dress
It sets.
The early warning message administrative unit of the back-stage management sending device parses the information content of needs, identifies voice
Content, record Speech time, output casting.
The second Beidou receiving module includes that Beidou card management submodule and the 12V power supply turn 5V power management submodule
Block, the Beidou card management submodule and the 12V power supply turn the shell that 5V power management submodule is fixed on mushroom-head shape
It is interior, the second Beidou receiving module in the shell in mushroom-head shape is placed in outdoor when use, Souteern Exposure, and
And front spaciousness is unobstructed.
Preferably, front end warning device of the invention further includes the casting loudspeaker connecting with the early warning message front end unit
, the casting loudspeaker setting and outdoor, with computer, early warning message front end is single for the early warning message front end unit setting
Member is connect with casting loudspeaker and the second Beidou receiving module, and the second Beidou receiving module, which can be, is set to outdoor mushroom
In the shell of head shapes.
The interaction of Beidou message between the first Beidou receiving module and the second Beidou receiving module realizes backstage and manages
Manage the casting of warning information between sending device and front end warning device.
The second Beidou receiving module is by the latitude and longitude information of front end warning device and the signal strength of Beidou information
It is sent to the first Beidou receiving module.
Received information is sent to the early warning message administrative unit, the precaution alarm by the first Beidou receiving module
The longitude and latitude position of literary administrative unit statistics front end warning device, and with drawing front end warning device according to the position of longitude and latitude
Figure；The Beidou card number that front end warning device can be managed carries out warning level to front end warning device according to Beidou card number and divides
Group, and the transmission of the grouping progress early warning message according to early warning.
The early warning message administrative unit can also realize the typing of short message content by audio devices；And short message pipe
It manages (sending time, number, sender, not sent mark, typing people).
Big Dipper short message early warning broadcasting system of the invention is realized between back-stage management sending device and front end warning device
Big Dipper short message sends and receives, and reminds casting for front end warning device emergency advance warning；The real-time update of real-time clock；Through
The acquisition and transmission of latitude；And the real-time update of signal strength.
When needing to alarm, the back-stage management sending device will be comprising alarm casting information and by the encryption of 3DES encryption machine
Short message afterwards is sent to the second Beidou receiving module by the first Beidou receiving module.Second north of the front end warning device
Bucket receiving module parses information after receiving alarm short message information and decrypts information, if needing to open audio frequency power amplifier in instruction
Device then opens audio power amplifier device；Speech recognition is then carried out if necessary to play warning message content, is then output to audio
Power amplification device broadcasts；Audio power amplifier device power supply is closed if receiving and closing play instruction.The audio power amplifier device can be with
It is mounted in outdoor casting loudspeaker.
The microwave carrier signals that the second Beidou receiving module is transmitted from ceramic antenna pass through Base Band Unit, baseband chip
Base-Band Processing (digital demodulation, data parsing) is carried out by after the parsing of short message information, decryption to the digital intermediate frequency received, is inputted
To speech recognition module, audio power amplifier device casting loudspeaker casting is given in control output.
Beidou receiving module of the invention includes the first Beidou receiving module and the second Beidou receiving module, tool
There is following function:
1, card number is read:
Read card number: $ CCICA, 0,00*7B
Card number information: $ BDICI, 0242407,00242407,0000011,6,60,3, N, 0*38
2, the satellite standard time:
Acquisition time: $ CCRMO, ZDA, 2,0*21
Temporal information: $ BDZDA, 1,164511.00,08,09,2017, -8,00,0,0, Y*09
3, signal strength:
Read signal strength: $ CCRMO, BSI, 2,0*26
Signal strength information: $ BDBSI, 03,05,4,4,4,0,4,2,0,0,0,0*5A
4, latitude and longitude information:
Positioning application: $ CCDWA, 0000000, V, 1, L, 0,, 0*65
Acknowledgement information: $ BDFKI, DWA, Y, Y, 0,0060*0A
Location information:
$BDDWR,1,0242407,084936.50,2302.2434,N,11323.6667,E,14,M,-6,M,1,V,V,L*1F
5, short message is obtained:
Obtain short message:
$BDTXR,1,0242407,2,,A4B9E3D6DDBAA3C1C4BFC6BCBCD3D0CFDEB9ABCBBE*36
6, short message is sent:
Send short message:
$CCTXA, 0247739,1,2,A4B9E3D6DDBAA3C1C4BFC6BCBCD3D0CFDEB9ABCBBE*0F
Acknowledgement information: $ BDFKI, TXA, Y, Y, 0,0060*15
7, latitude and longitude information is sent:
$CCTXA,0247739,1,1, 2302.2434,N,11323.6667,E,14,M *07
Short message is sent to the front end warning device by back-stage management sending device, and receives the front end warning device and sends
Location information.
The early warning message administrative unit includes background module, the background module by single-chip microcontroller, speech recognition module, when
Clock memory module, voice output module and audio power amplifier device control module composition.
The single-chip microcontroller preferably uses PIC18F46K22 single-chip microcontroller, and the speech recognition module preferably uses the country
Recognition capability is best, imitates true man's pronunciation Iflytek newest fruits XFS5152CE chip most true to nature, and the clock remembers mould
Block preferably uses clock PCF8563A, and the audio power amplifier device control module preferably uses audio power amplifier device
CD1622CB。
The present invention realizes emergency advance warning using the function of Big Dipper short message, it is advantageous that, emergency advance warning casting loudspeaker are set
It is standby to be generally disposed at remote disaster and take place frequently area.These areas are due to its geographical relief feature, there without mobile phone signal, together
When, fm broadcast signal intensity may be also very low.But Big Dipper satellite signal is but very strong.Big Dipper satellite signal covers in entire
The areas such as state, in remote districts due to not blocking and electromagnetic interference, so that signal is very strong very stable.
The working principle of the receives link of the Beidou receiving module is: receiving Big Dipper satellite signal, passes through filtering and LNA
Signal amplification, signal is reached to the receiving end of radio frequency chip DT-A6；Mixing, intermediate frequency filter of the radio frequency chip DT-A6 inside
The processing such as wave, intermediate frequency variable gain amplification, ADC modulus, exports 2/4bits digital intermediate frequency, and radio frequency chip supports complement code, SIGN/
The optional output of MAG code；Meanwhile radio frequency chip exports 50MHz sampling clock and gives RDSS baseband processing chip.TD1100A base band core
Piece carries out Base-Band Processing (digital demodulation, data parse) to the digital intermediate frequency received, and serial ports (3.3V LVTTL level) is defeated
Out.
The working principle of the transmitting link of the Beidou receiving module is: TD1100A baseband chip by serial ports reception come
From the order of host computer, perhaps data will be ordered or data are packaged Framed Data and carry out digital modulation, form base band data
Stream, through in radio frequency chip DT-A6 shaping, filtering, modulation (BPSK) to transmitting carrier wave；Finally by the filter and amplification of transmitting link
Satellite is sent to by transmitting antenna afterwards, realizes positioning and short message communication.
Big Dipper short message early warning broadcasting system provided by the invention covers the ground such as entire China using Big Dipper satellite signal
Area, so that early warning casting signal is very strong very stable, can issue pre- in time in remote districts due to not blocking and electromagnetic interference
Alert information, while background system desktop cpu is PIC18F46K22, present invention employs its double serial port communication modes, subtract
Lack cost, and reduces total system number of chips.
The above content is the explanations of the preferred embodiment to the invention, those skilled in the art can be helped more to fill
The technical solution for dividing ground to understand the invention.But these embodiments are merely illustrative, and it cannot be said that the invention
Specific embodiment be only limitted to the explanations of these embodiments.The invention person of an ordinary skill in the technical field is come
It says, without departing from the concept of the premise of the invention, several simple deductions and transformation can also be made, all shall be regarded as belonging to
The protection scope of the invention.
Claims (7)
1. Big Dipper short message early warning broadcasting system, which is characterized in that including back-stage management sending device and front end warning device；
The back-stage management sending device includes early warning message administrative unit and the first Beidou receiving module；
The front end warning device includes early warning message front end unit, the second Beidou receiving module and audio power amplifier device, described
First Beidou receiving module is used to receive the timing information of satellite, and received timing by satellite information is sent to the backstage and is managed
Manage sending device；
Short message comprising alarm casting information is sent to by the back-stage management sending device by the first Beidou receiving module
Second Beidou receiving module；
Second Beidou receiving module of the front end warning device parses information after receiving alarm short message information, if in instruction
It needs to open audio power amplifier device and then opens audio power amplifier device；Voice knowledge is then carried out if necessary to play warning message content
Not, it is then output to audio power amplifier device broadcast；Audio power amplifier device power supply is closed if receiving and closing play instruction.
2. Big Dipper short message early warning broadcasting system according to claim 1, which is characterized in that the early warning message administrative unit
By the short message protocol code of alarm casting information, 3DES encryption machine encrypts the alert casting information of protocol code；
The second Beidou receiving module parsing decrypts information after receiving alarm short message information.
3. Big Dipper short message early warning broadcasting system according to claim 1, which is characterized in that the second Beidou receiving module
Submodule is managed including Beidou card and 12V power supply turns 5V power management submodule.
4. Big Dipper short message early warning broadcasting system according to claim 3, which is characterized in that the Beidou card manages submodule
Turn 5V power management submodule with the 12V power supply to be fixed in the shell of mushroom-head shape.
5. Big Dipper short message early warning broadcasting system according to claim 1, which is characterized in that the audio power amplifier device is to set
It is placed in outdoor casting loudspeaker.
6. Big Dipper short message early warning broadcasting system according to claim 1, which is characterized in that the first Beidou receiving module
Received information is sent to the early warning message administrative unit, the early warning message administrative unit statistics front end warning device
Longitude and latitude position, and warning device map in front end is drawn according to the position of longitude and latitude.
7. Big Dipper short message early warning broadcasting system according to claim 1, which is characterized in that the early warning message administrative unit
The management software in desktop computer is run on, desktop computer is communicated by RS232 serial ports and the first Beidou receiving module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910137801.5A CN109712371A (en) | 2019-02-25 | 2019-02-25 | Big Dipper short message early warning broadcasting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910137801.5A CN109712371A (en) | 2019-02-25 | 2019-02-25 | Big Dipper short message early warning broadcasting system |
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| Publication Number | Publication Date |
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Family
ID=66265011
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| CN201910137801.5A Pending CN109712371A (en) | 2019-02-25 | 2019-02-25 | Big Dipper short message early warning broadcasting system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112261599A (en) * | 2020-10-31 | 2021-01-22 | 国网河南省电力公司平顶山供电公司 | Power transmission and transformation equipment temperature anomaly big dipper short message early warning device |
| CN112381402A (en) * | 2020-11-13 | 2021-02-19 | 中国科学院自动化研究所 | Parallel intelligent wind-blown sand protection governing decision support method and system |
| CN114531658A (en) * | 2021-12-29 | 2022-05-24 | 河北北斗天汇科技有限公司 | Beidou voice alarm system |
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Application publication date: 20190503 |