CN111092681A - Emergency broadcasting system with Beidou satellite data transmission function - Google Patents
Emergency broadcasting system with Beidou satellite data transmission function Download PDFInfo
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- CN111092681A CN111092681A CN201811239332.XA CN201811239332A CN111092681A CN 111092681 A CN111092681 A CN 111092681A CN 201811239332 A CN201811239332 A CN 201811239332A CN 111092681 A CN111092681 A CN 111092681A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/53—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
- H04H20/59—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for emergency or urgency
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
- G01S19/45—Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement
- G01S19/46—Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement the supplementary measurement being of a radio-wave signal type
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/65—Arrangements characterised by transmission systems for broadcast
- H04H20/71—Wireless systems
- H04H20/74—Wireless systems of satellite networks
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Astronomy & Astrophysics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Radio Relay Systems (AREA)
Abstract
The utility model provides an emergent broadcasting system with big dipper satellite data transmission function, including big dipper RDSS transceiver module BDM900, still include standard SIM cassette, P-MOSFET field effect transistor Si7617DN, the kernel is treater STM32F103ZET6 of Cortex-M3, transceiver module BDM900 includes communication pin RXD0, TXD0 and power supply pin VCC _ PA _ IN, VCC _ RX _ BAT and VCC _ RX _ CTR, treater STM32F103ZET6 includes PA1, PA2, PA3, PA4 pin, communication pin RXD0, TXD0 are connected with PA2 pin, PA3 pin respectively, VCC _ RX _ CTR pin is connected with PA1 pin, power supply pin VCC _ PA _ IN, VCC _ RX _ BAT all connect with P-MOSFET pipe Si7617 DN's drain terminal, and its grid G is connected with PA4 pin. The Beidou RDSS/RNSS short message data communication positioning module is adopted to realize bidirectional data communication/positioning and voice broadcasting of indoor intelligent ecological broadcast platforms and outdoor intelligent ecological broadcast terminals at all levels.
Description
Technical Field
The invention relates to the technical field of sound box broadcasting devices, in particular to an emergency broadcasting system with a Beidou satellite data transmission function.
Background
In recent years, broadcasting plays an increasingly important role in daily life of people, the emergency broadcasting systems of the provinces, cities and counties are built at present, communication 'pipeline' solutions with three transmission channels of IP/FM/DTMB complementary to each other are formed in all the regions, but all the communication paths are ground signal transmission channels, and after disastrous natural disasters such as earthquakes, typhoons and the like, the ground data transmission channels are often interrupted due to damage, so that the satellite bidirectional transmission channels and the ground transmission channels are urgently needed to be complementary, and all stages of platforms can perform bidirectional data communication through the satellite channels and terminals after the ground data channels are interrupted.
Disclosure of Invention
The invention aims to provide an emergency broadcasting system with a Beidou satellite data transmission function, and solves the problems that a communication transmission channel and a ground transmission channel of an existing broadcasting device are easy to interrupt, and bidirectional data communication between platforms and terminals at all levels cannot be realized.
An emergency broadcasting system with a Beidou satellite data transmission function comprises a Beidou RDSS transceiver module BDM900, a standard SIM card seat, a P-MOSFET field-effect tube Si7617DN and a controller STM32F103ZET6 with a Cortex-M3 as an inner core, wherein the transceiver module BDM900 comprises communication pins RXD0, TXD0 and power supply pins VCC _ PA _ IN, VCC _ RX _ BAT and VCC _ RX _ CTR, the controller STM32F103ZET6 comprises PA1, PA2, PA drain terminal 3 and PA4 pins, the communication pins RXD0 and TXD0 are respectively connected with the PA2 pin and the PA3 pin, the VCC _ RX _ CTR pin is connected with the PA1 pin, the power supply pins VCC _ PA _ IN and VCC _ RX _ BAT are both connected with a grid electrode of the P-MOSFET Si7617DN, and a grid electrode G of the PA4 is connected with the PA 3624 pin.
Preferably, the communication pins RXD0 and TXD0 are connected with pins PA2 and PA3 of the controller STM32F103ZET6 through resistors R3 and R4 of 10R.
The further technical scheme is that the pin VCC _ RX _ CTR pulls up 1K of resistors R20 to 3.3V and is connected with the PA1 pin of the controller STM32F103ZET 6.
The further technical scheme is that the resistance values of the resistors R3 and R4 are set to be 10R.
Preferably, the power supply pins VCC _ PA _ IN and VCC _ RX _ BAT of the beidou RDSS transceiver module BDM900 are connected to the drain terminal of the P-MOSFET transistor Si7617 DN.
Further technical scheme is that a grid G of the Si7617DN is connected with a PA4 pin of the controller STM32F103ZET6 through a 1K resistor R21.
In order to solve the technical problems, the invention adopts the following technical scheme:
compared with the prior art, the invention has the following beneficial effects:
the Beidou RDSS/RNSS short message data communication positioning module is adopted to realize bidirectional data communication/positioning and voice broadcasting of indoor intelligent ecological broadcast platforms and outdoor intelligent ecological broadcast terminals at all levels.
Drawings
Fig. 1 is a circuit diagram of an emergency broadcasting system with a Beidou satellite data transmission function according to the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
An emergency broadcasting system with a Beidou satellite data transmission function comprises a Beidou RDSS transceiver module BDM900, a standard SIM card seat, a P-MOSFET field-effect tube Si7617DN and a controller STM32F103ZET6 with a Cortex-M3 as an inner core, wherein the transceiver module BDM900 comprises communication pins RXD0, TXD0 and power supply pins VCC _ PA _ IN, VCC _ RX _ BAT and VCC _ RX _ CTR, the controller STM32F103ZET6 comprises PA1, PA2, PA drain terminal 3 and PA4 pins, the communication pins RXD0 and TXD0 are respectively connected with the PA2 pin and the PA3 pin, the VCC _ RX _ CTR pin is connected with the PA1 pin, the power supply pins VCC _ PA _ IN and VCC _ RX _ BAT are both connected with a grid electrode of the P-MOSFET Si7617DN, and a grid electrode G of the PA4 is connected with the PA 3624 pin.
According to the above embodiment, another embodiment of the present invention is that the communication pins RXD0 and TXD0 are connected to the pins PA2 and PA3 of the controller STM32F103ZET6 through 10R resistors R3 and R4.
Further, the pin VCC _ RX _ CTR pulls up 1K resistors R20 to 3.3V and is connected to the PA1 pin of the controller STM32F103ZET 6.
Further, the resistances of the resistors R3 and R4 are set to 10R.
According to the above embodiment, another embodiment of the present invention is that the power supply pins VCC _ PA _ IN, VCC _ RX _ BAT of the beidou RDSS transceiver module BDM900 are connected to the drain terminal of the P-MOSFET transistor Si7617 DN.
Further, the gate G of the Si7617DN is connected with the PA4 pin of the controller STM32F103ZET6 through a 1K resistor R21.
The working process is as follows:
(1) the controller sets the PA4/PWR high to supply power to the Beidou satellite transceiver;
(2) the controller searches and initializes the BDM900 and reads the information of the Beidou SIM card;
(3) the controller configures the protocol type of output information and a target address to be sent for the BDM 900;
(4) the controller edits short message information to be sent and sends the short message information through the serial port;
(5) the controller receives the serial port information (from the BDM 900), analyzes the information, extracts the original information of the emergency broadcast and operates the original information.
The satellite-based short message communication system is communicated with a satellite through a Beidou special receiving and transmitting chip, and the satellite transmits short message data to a designated Beidou receiving and transmitting device in an addressing mode to carry out one-to-one data communication; and then, the short message transmission function of the Beidou is combined with the voice synthesis technology, so that the seamless coverage of emergency broadcast communication signals in the Beidou satellite global range is realized, and the device also has the Beidou real-time positioning function and supports the receiving and sending of 78-byte message data while the Beidou text data transmission is realized. The Beidou RDSS/RNSS short message data communication positioning module is adopted to realize bidirectional data communication/positioning and voice broadcasting of indoor intelligent ecological broadcast platforms and outdoor intelligent ecological broadcast terminals at all levels.
Although the invention has been described herein with reference to specific embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope and spirit of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the description, the drawings and the claims of this application. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (6)
1. The utility model provides an emergent broadcasting system with big dipper satellite data transmission function, includes big dipper RDSS transceiver module BDM900, its characterized in that: the transceiver module BDM900 comprises communication pins RXD0, TXD0 and power supply pins VCC _ PA _ IN, VCC _ RX _ BAT and VCC _ RX _ CTR, the controller STM32F103ZET6 comprises PA1, PA2, PA3 and PA4 pins, the communication pins RXD0 and TXD0 are respectively connected with the PA2 pin and the PA3 pin, the VCC _ RX _ CTR pin is connected with the PA1 pin, the power supply pins VCC _ PA _ IN and VCC _ RX _ BAT are both connected with the drain end of the P-MOSFET Si7 pin 761 DN, and the grid G of the power supply pin is connected with the PA4 pin.
2. The emergency broadcasting system with the Beidou satellite data transmission function of claim 1, wherein: the communication pins RXD0 and TXD0 are connected with the PA2 and PA3 pins of the controller STM32F103ZET6 through resistors R3 and R4.
3. The emergency broadcasting system with the Beidou satellite data transmission function of claim 2, wherein: the pin VCC _ RX _ CTR pulls up 1K resistors R20 to 3.3V and is connected with the PA1 pin of the controller STM32F103ZET 6.
4. The emergency broadcasting system with the Beidou satellite data transmission function of claim 2, wherein: the resistances of the resistors R3 and R4 are set to 10R.
5. The emergency broadcasting system with the Beidou satellite data transmission function of claim 1, wherein: the power supply pins VCC _ PA _ IN and VCC _ RX _ BAT of the Beidou RDSS transceiver module BDM900 are connected with the drain end of the P-MOSFET tube Si7617 DN.
6. The emergency broadcasting system with the Beidou satellite data transmission function of claim 4, wherein: the gate G of the Si7617DN is connected to the PA4 pin of the controller STM32F103ZET6 through a 1K resistor R21.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811239332.XA CN111092681A (en) | 2018-10-23 | 2018-10-23 | Emergency broadcasting system with Beidou satellite data transmission function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811239332.XA CN111092681A (en) | 2018-10-23 | 2018-10-23 | Emergency broadcasting system with Beidou satellite data transmission function |
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| Publication Number | Publication Date |
|---|---|
| CN111092681A true CN111092681A (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811239332.XA Pending CN111092681A (en) | 2018-10-23 | 2018-10-23 | Emergency broadcasting system with Beidou satellite data transmission function |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202602639U (en) * | 2011-06-14 | 2012-12-12 | 上海赛天通信技术有限公司 | System for transmitting air-defense and disaster-prevention alarms |
| CN203761411U (en) * | 2013-12-31 | 2014-08-06 | 许春香 | Sudden disaster emergency wireless public broadcasting system |
-
2018
- 2018-10-23 CN CN201811239332.XA patent/CN111092681A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202602639U (en) * | 2011-06-14 | 2012-12-12 | 上海赛天通信技术有限公司 | System for transmitting air-defense and disaster-prevention alarms |
| CN203761411U (en) * | 2013-12-31 | 2014-08-06 | 许春香 | Sudden disaster emergency wireless public broadcasting system |
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Application publication date: 20200501 |
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| RJ01 | Rejection of invention patent application after publication |