CN101588532A - Wireless information release system based on GPS/GPRS and LED display - Google Patents
Wireless information release system based on GPS/GPRS and LED display Download PDFInfo
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- CN101588532A CN101588532A CNA2008102168656A CN200810216865A CN101588532A CN 101588532 A CN101588532 A CN 101588532A CN A2008102168656 A CNA2008102168656 A CN A2008102168656A CN 200810216865 A CN200810216865 A CN 200810216865A CN 101588532 A CN101588532 A CN 101588532A
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Abstract
The invention discloses a system for carrying out point fixing and area fixing for wireless information release based on GPS/GPRS and LED display. The system comprises a power supply system, a start-up control unit, GPS/GPRS DTU, a system main control unit, a display control unit and an LED display screen, wherein the GPS/GPRS DTU carries out satellite searching and position information determining, and downloads a control command and update information in real time; the position information is transmitted to the system main control unit for analyzing, differentiating and storing; after the information is analyzed and stored temporarily by the display control unit, the information is converted into a drive signal and outputted to the LED display screen to realize wireless information release for a specific position or area and enable an LED display terminal arranged on a fixed position to carry out remote monitoring management; meanwhile, for the LED display terminal loaded on a mobile vehicle, corresponding information content can be automatically received and broadcast when the terminal arrives or stays in the position or the area range.
Description
Technical field
The present invention relates to a kind of information release terminal system, its specifically be a kind of based on GPS/GPRS and LED show fix a point, the system of fixed regional wireless messages issue.
Background technology
GPS is called global positioning system (Global Positioning System GPS) again, the basic fixed position principle of GPS is: ephemeris parameter and temporal information user that satellite sends self incessantly receive three-dimensional position three-dimensional and movement velocity and the temporal information of obtaining receiver after these information through calculating, and carrier phase calculus of finite differences GPS technology can greatly improve the relative positioning precision.Gps system comprises three parts: space segment-gps satellite constellation; Ground Control part-ground monitoring system; Customer equipment part-gps signal receiver.The navigator fix signal that gps satellite sends is a kind of for hundreds of thousands of subscribers Sharing Information resource.For the users in land, ocean and space if the user have can receive, the receiving equipment of tracking, conversion and measurement gps signal is gps signal receiver.Can at any time carry out navigator fix with gps signal measures.Locating information deflection vehicle mounted guidance and specific group's hand-held (mountain-climbing, exploration etc.) of existing GPS technology use, and to this underutilization of resources of locating information, except that above-mentioned application, the application of other scales of developing at the GPS locating information are not arranged at present.
GPRS is the english abbreviation of GPRS (General Packet Radio Service), be a kind of novel bearing business that grows up on present existing GSM digital mobile communication system, it can provide data service with the form of packet switching to the mobile subscriber.GPRS is a kind of high speed, wireless system efficiently, it allows the mobile subscriber to transmit and receive data through packet mode, that be specially adapted to be interrupted, paroxysmal or frequent, a spot of transfer of data, also be applicable to big data quantity transmission once in a while, and this situation characteristics of most of internet, applications just.The unified end of GPRS communication system is connected to mobile subscriber terminal, and an end is connected to intranet and the Internet, and packet in groups (Data Packet) transmits on the GSM data network.The GPRS mobile subscriber, as long as a start is behind authentication, just be attached on the GPRS network, the user is connected to the Internet by the GGSN (GatewayGPRS Support Node) that wireless base system inserts switching center, and GGSN also provides Internet services such as corresponding dynamic address assignment, route, title analysis, safety and charging.Existing wireless information release system generally relies on the communication network of mobile communication carrier, based on the transfer of data of point-to-point or point-to-multipoint, does not possess geographical location information, thereby can't be implemented in appointed place or zone and carry out information issue targetedly.
It is that light harvesting electronic technology microelectric technique computer technology video technique is an one that LED shows, luminous component is assemblied to form by LED (being that light-emitting diode is the abbreviation of English Light Emitting Diode), its advantage be the few brightness height of power consumption, operating voltage low,, drive simple, long stable performance of life-span.Display area can be as required by any assembly unit of unit module, change abundant colors with it, pattern real-time and dynamic display mode, perfect multimedia effect, powerful visual impact shows multiple modes such as information, literal, picture, animation, video, becomes the epoch-making product that information is propagated.Its advantage: the brightness height, operating voltage is low, power consumption is little, microminiaturized, easily with the integrated circuit coupling, drive simply, long, shock-resistant, stable performance of life-span.Existing LED Display Technique is applied to indoor external fixation screen body basically, fails to carry out to being installed in mobile LED display terminal on the vehicles that the wireless messages issue is particularly fixed a point, the application of fixed regional wireless messages issue is effectively developed.
It as notification number disclosed a kind of motor vehicle that is loaded with electronic display in the patent documentation of CN201081794, the control main board that its electronic display connects links to each other with GPRS/CDMA/3G module and/or GPS module respectively, radio satellite communication and point-to-point, point-to-area communication only are provided, and have not had the function in the fixed zone of fixed point.
Summary of the invention
Technical problem to be solved by this invention is to carry out the wireless messages issue at specific place or zone, make the LED display terminal that is installed in the fixed position can carry out remote monitoring and administration, simultaneously, for the LED display terminal that is loaded on the mobile vehicles, also can automatic reception when arriving or resting on this place/regional extent, play the corresponding information content automatically.
For solving above technical problem, a kind of wireless information release system of the present invention based on GPS/GPRS and LED demonstration, comprise power-supply system, start-up control unit, GPS/GPRS DTU, system master unit, indicative control unit and LED display, wherein, power-supply system realizes the system power supply supply by the connection of start-up control unit; GPS/GPRS DTU carries out satellite acquisition, position information confirming and downloading control instruction in real time and lastest imformation, then, transferring to the system master unit analyzes, differentiates, stores, carry out converting to after analyzing and processing and the interim storage drive signal by indicative control unit again and export full LED and show and do not shield, realize information issuing function.
As preferred version of the present invention, described GPS/GPRS DTU comprises satellite receiver module, RF receiver module, data processing module and error correction detection module, wherein, the satellite receiver module carries out satellite acquisition, position information confirming, RF receiver module access mobile communication data network is connected to real-time downloading control instruction of data center server and lastest imformation, after the processing and error correction of the corresponding data of two modules through data processing module and error correction detection module, transfer to the system master unit by interface circuit.
As the present invention further optimization scheme, described system master unit comprises central data processing module, data owner storage module and external control module, wherein, central data processing module and data owner storage module are analyzed the data that receive and are differentiated and store, and control corresponding instruction, the information of broadcasting are transferred to the indicative control unit of terminal after the check and correction of external control module clock by interface circuit.
As further preferred version of the present invention, described indicative control unit comprises data processing module, data memory module, display mode processing module and display driver circuit, after wherein data processing module and data memory module carry out analyzing and processing and interim storage with the data that receive, convert drive signal to by the display mode processing module, export LED display to by display driver circuit again.
Because GPS terminal and GPRS termination function are incorporated in the LED display platform, thereby make the wireless messages issue in fixed point, fixed zone be able on the LED display platform, realize, enlarged the range of application of LED Display Technique, this more environmental protection, more energy-conservation, more advanced information issue form are further developed on the technology platform based on GPS location, wireless network transmissions, and fixing or mobile LED display device all is suitable for present technique.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structured flowchart of the preferred embodiment for the present invention.
Embodiment
Fig. 1 is the structured flowchart of a kind of wireless information release system preferred implementation that shows based on GPS/GPRS and LED of the present invention.This wireless information release system comprises power-supply system 1, start-up control unit 2, GPS/GPRS DTU 3, system master unit 4, indicative control unit 5 and LED display 6.Behind the vehicle launch of fixed terminal electric power starting or loading portable terminal, power-supply system 1 promptly begins power devices by the start-up control unit 2 of terminal.
GPS/GPRS DTU 3 carries out satellite acquisition, position information confirming and downloading control instruction in real time and lastest imformation, then, transferring to system master unit 4 analyzes, differentiates, stores, convert drive signal to after carrying out analyzing and processing and store temporarily by indicative control unit 5 again and export LED display 6 to, realize information issuing function.
As can be seen from the figure, GPS/GPRS DTU 3 comprises satellite receiver module, RF receiver module, data processing module and error correction detection module.Wherein, the satellite receiver module is the GPS terminal, mainly carries out the search of satellite, the affirmation of positional information.The RF receiver module is the GPRS terminal, can the access mobile communication data network and be connected to data center server by this terminal, and downloading control instruction in real time and lastest imformation then.After two processing and error correction of the corresponding data that module obtained, transfer to system master unit 4 by interface circuit through data processing module and error correction detection module.
From figure, can also find out, system master unit 4 comprises central data processing module, data owner storage module and external control module, wherein, the central data processing module is analyzed the data that receive and is differentiated and stored by the data owner storage module, control corresponding instruction, the information of broadcasting is transferred to the indicative control unit 5 of terminal after the check and correction of external control module clock by interface circuit.
From figure, can also find out, indicative control unit 5 comprises data processing module, data memory module, display mode processing module and display driver circuit, wherein data processing module carries out analyzing and processing with the data that receive, and store by data memory module temporarily, the back becomes drive signal by the display mode processing module with these data transaction, at last, export LED display 6 to, make its operate as normal, carry out corresponding information issue by backstage and locating information requirement by display driver circuit.
Claims (4)
1, a kind of wireless information release system based on GPS/GPRS and LED demonstration is characterized in that: comprise power-supply system, start-up control unit, GPS/GPRS DTU, system master unit, indicative control unit and LED display, wherein,
A, power-supply system realize the system power supply supply by the connection of start-up control unit;
B, GPS/GPRS DTU carry out satellite acquisition, position information confirming and downloading control instruction in real time and lastest imformation, then, transferring to the system master unit analyzes, differentiates, stores, convert drive signal to after carrying out analyzing and processing and store temporarily by indicative control unit again and export LED display to, realize information issuing function.
2, according to the described wireless information release system of claim 1, it is characterized in that: described GPS/GPRS DTU comprises satellite receiver module, RF receiver module, data processing module and error correction detection module, wherein, the satellite receiver module carries out satellite acquisition, position information confirming, RF receiver module access mobile communication data network is connected to real-time downloading control instruction of data center server and lastest imformation, after the processing and error correction of the corresponding data of two modules through data processing module and error correction detection module, transfer to the system master unit by interface circuit.
3, according to the described wireless information release system of claim 2, it is characterized in that: described system master unit comprises central data processing module, data owner storage module and external control module, wherein, central data processing module and data owner storage module are analyzed the data that receive and are differentiated and store, and control corresponding instruction, the information of broadcasting are transferred to the indicative control unit of terminal after the check and correction of external control module clock by interface circuit.
4, according to the described wireless information release system of claim 3, it is characterized in that: described indicative control unit comprises data processing module, data memory module, display mode processing module and display driver circuit, after wherein data processing module and data memory module carry out analyzing and processing and interim storage with the data that receive, convert drive signal to by the display mode processing module, export LED display to by display driver circuit again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102168656A CN101588532A (en) | 2008-10-17 | 2008-10-17 | Wireless information release system based on GPS/GPRS and LED display |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008102168656A CN101588532A (en) | 2008-10-17 | 2008-10-17 | Wireless information release system based on GPS/GPRS and LED display |
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| CN101588532A true CN101588532A (en) | 2009-11-25 |
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| CNA2008102168656A Pending CN101588532A (en) | 2008-10-17 | 2008-10-17 | Wireless information release system based on GPS/GPRS and LED display |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104202669A (en) * | 2014-09-01 | 2014-12-10 | 上海奉先电子科技有限公司 | Display screen control method and display screen control device |
| CN104750097A (en) * | 2015-02-06 | 2015-07-01 | 长春精钰电子科技股份有限公司 | USB based automobile CAN bus part comprehensive simulation detection system |
| CN107004174A (en) * | 2014-10-23 | 2017-08-01 | 东南水务公司 | For monitoring movable system and computer implemented method at one or more facilities |
-
2008
- 2008-10-17 CN CNA2008102168656A patent/CN101588532A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104202669A (en) * | 2014-09-01 | 2014-12-10 | 上海奉先电子科技有限公司 | Display screen control method and display screen control device |
| CN107004174A (en) * | 2014-10-23 | 2017-08-01 | 东南水务公司 | For monitoring movable system and computer implemented method at one or more facilities |
| CN104750097A (en) * | 2015-02-06 | 2015-07-01 | 长春精钰电子科技股份有限公司 | USB based automobile CAN bus part comprehensive simulation detection system |
| CN104750097B (en) * | 2015-02-06 | 2018-05-18 | 长春精钰电子科技股份有限公司 | A kind of automobile CAN-bus parts comprehensive simulation detecting system based on USB |
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Effective date of registration: 20100108 Address after: 9, Yitian garden, Futian District, Guangdong, Shenzhen 101, China: 518000 Applicant after: Zhang Yong Address before: Room 403, block C, Jin Hui Pavilion, Jin long garden, Shenzhen, Guangdong, Nanshan District 518000, China Applicant before: Xu Weimin |
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