CN202444635U - Ad-hoc network type LED information distribution system - Google Patents
Ad-hoc network type LED information distribution system Download PDFInfo
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- CN202444635U CN202444635U CN2012200952608U CN201220095260U CN202444635U CN 202444635 U CN202444635 U CN 202444635U CN 2012200952608 U CN2012200952608 U CN 2012200952608U CN 201220095260 U CN201220095260 U CN 201220095260U CN 202444635 U CN202444635 U CN 202444635U
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Abstract
The utility model provides an ad-hoc network type LED information distribution system which mainly comprises a wireless control terminal and a plurality of LED wireless display terminals, wherein the wireless control terminal is a computer terminal or a mobile terminal with ZigBee wireless communication capability, each LED wireless display terminal mainly comprises a ZigBee wireless module, an LED display control module and an LED display screen which are in sequential data connection, and the wireless control terminal is in wireless communication connection with the LED wireless display terminals through the ZigBee wireless modules. The ad-hoc network type LED information distribution system is constructed on the basis of the ZigBee technology, the ZigBee wireless modules are cheap so that construction cost of the whole system is quite low, communication operating cost is avoided, and the problems of restrictions on layout and control distance and the like caused by wired connection control are solved.
Description
Technical field
The utility model relates to a kind of information issuing system, is specifically related to a kind of LED information issuing system based on the technological MANET formula of ZigBee.
Background technology
LED display has obtained develop rapidly as a kind of emerging display media, has become the sign of urban information modernization construction.Yet, along with the development of LED display industry, new requirement has been proposed also in its application, such as requiring the issue of LED screen information can support more terminal, can control more screen body simultaneously, can delivery system be covered in wideer scope.LED dot matrix electronic display is the large display screen system that integrates microelectric technique, computer technology, the information processing technology.Advantages such as it is bright in luster with it, and dynamic range is wide, and brightness is high, and the life-span is long, and working stability is reliable and become the ideal selection that numerous display medias and outdoor study show.Simultaneously also can be widely applied to many industries such as military affairs, station, hotel, physical culture, news, finance, security, advertisement and communications and transportation.
Present most LED dot matrix display system control; Adopting computer to carry out wired connection through RS232 Serial Port Line or RS485 connecting line and LED display realizes; Send the demonstration control command by computer to LED display, information such as control LED display display text, pattern.But this control mode defective is very obvious; The control of employing wired connection, the installation position of LED display is easy to receive the restriction of connection line, the space layout underaction; Usually the command range between LED display and the computer also can only reach in 300 meters; Command range is limited, and the wiring of wired connection, the applied environment of sunkening cord for the LED display system also have higher requirement, and the construction cost that connects up, sunkens cord is also than higher.
The utility model content
Above-mentioned deficiency to the prior art existence; The utility model is for solving the related problem that the wired connection layout is limited, construction cost is high of LED display multiple spot control; A kind of LED information issuing system based on the technological MANET formula of ZigBee is provided; This system can satisfy the demand of the multipoint mode LED display information issue of different scales, different application environment, and layout is flexible, and cost is lower.
For realizing above-mentioned purpose, the present invention has adopted following technological means:
A kind of LED information issuing system of MANET formula comprises wireless control terminal and LED wireless display terminal that radio communication connects; Said wireless control terminal is terminal or the portable terminal that possesses the ZigBee wireless communication ability; Said LED wireless display terminal has a plurality of, and each LED wireless display terminal mainly is made up of ZigBee wireless module, LED display control module and the LED display of data connection successively; The LED wireless display terminal is carried out radio communication through said ZigBee wireless module and wireless control terminal and is connected.
But as a kind of selection scheme, the ZigBee wireless module of each LED wireless display terminal directly carries out radio communication with wireless control terminal respectively and is connected in the said system.
But as the another kind selection scheme, the ZigBee wireless module of at least one LED wireless display terminal possesses the wireless relay forwarding capability in the said system; The ZigBee wireless module of the LED wireless display terminal in the system directly carries out radio communication with wireless control terminal and is connected, and perhaps carries out the relaying forwarding through the ZigBee wireless module that possesses the wireless relay forwarding capability and carries out radio communication with wireless control terminal and be connected.
Compare prior art, the utlity model has following beneficial effect:
The LED information issuing system of the MANET formula of the utility model adopts the ZigBee technology as the basis; Wireless control terminal and LED wireless display terminal are connected to make up through the ZigBee radio communication and form the LED information issuing system; So only need the operate wireless control terminal to send and show control command; After big ZigBee wireless module receives and shows control command in the LED wireless display terminal; Transfer to the LED display control module and instruct dissection process to obtain display message, control LED display by the LED display control module according to display message again and show; Because the price of ZigBee wireless module is very cheap; And again need be to the applied environment construction of connecting up, sunken cord; The construction cost of whole system is very low; Need not to rely on the public mobile communication network of charge simultaneously by the ZigBee radio communication; There is not the operational communications expense; And problems such as the layout of utilizing the ZigBee radio communication to solve wired connection control to be brought, command range limitation, so the LED information issuing system of the MANET formula of the utility model is suitable for satisfying the demand of the multipoint mode LED display information issue of different scales, different application environment, can be applicable to the multipoint mode LED display information issue of different industries such as finance, security, station, harbour, stadiums, intelligent appliance.
Description of drawings
Fig. 1 is the structural representation block diagram of the LED information issuing system of the utility model MANET formula;
Fig. 2 is the network configuration schematic block diagram that the LED information issuing system of the utility model MANET formula adopts direct wireless communication to connect;
The LED information issuing system that Fig. 3 ~ Fig. 5 is respectively the utility model MANET formula adopts wireless relay to transmit three kinds of network configuration schematic block diagrams that communication connects.
Embodiment
The utility model provides a kind of LED information issuing system based on the technological MANET formula of ZigBee, and is as shown in Figure 1, and this system mainly is made up of wireless control terminal and the LED wireless display terminal that radio communication connects; Wireless control terminal is terminal or the portable terminal that possesses the ZigBee wireless communication ability; The LED wireless display terminal has a plurality of, and each LED wireless display terminal mainly is made up of ZigBee wireless module, LED display control module and the LED display of data connection successively; The LED wireless display terminal is carried out radio communication through said ZigBee wireless module and wireless control terminal and is connected.
As execution mode, wireless control terminal can adopt the terminal that possesses the ZigBee wireless communication ability, perhaps possesses the portable terminal such as mobile phone, panel computer of ZigBee wireless communication ability.For the LED wireless display terminal, its LED display can adopt single primary colours display screen of standard, is that primary colours display text and simple pattern are main with the Shan Hong look, be mainly used in make an announcement, announcement and passenger flow guidance information etc.; The LED display control module can adopt the standard serial port control card BX-4A1 that faces upward nation; This control card adopts the STC51 single-chip microcomputer as kernel; The protection of external photoelectrical coupler, self-powered protection can external TTL serial ports, multiple interfaces such as RS232 serial ports, GPRS; Easy to use, autgmentability is strong, is applicable to the requirement of native system LED display control module; The ZigBee wireless module can adopt external control MCU (the Micro Control Unit of the CC2430 wireless networking chip of Texas Instrument; Micro-control unit) integration module is realized; It is the 2.4GHz ISM wave band wireless communications application on basis that CC2430 wireless networking chip satisfies with ZigBee; And it is cheap, low in energy consumption; Control MCU can adopt 8051 chip microcontroller, be used for the communication process of CC2430 wireless networking chip is controlled, and the demonstration control command that control will receive is transferred to the LED display control module.
In the LED information issuing system of the utility model MANET formula, the radio communication connected mode of LED wireless display terminal and wireless control terminal can make various ways.The simplest a kind of radio communication connected mode is, the ZigBee wireless module of each LED wireless display terminal directly carries out radio communication with wireless control terminal respectively and is connected in the system, and is as shown in Figure 2; When adopting this mode; The ZigBee radio communication of the ZigBee wireless module of wireless control terminal and LED wireless display terminal connects and is provided with all fairly simplely, only needs respectively correspondence that wireless communication is set and gets final product, still; Because the ZigBee wireless communication distance can only reach about 1000 meters farthest; Therefore adopt this communication connected mode, the distance of the placement position of each LED wireless display terminal and wireless control terminal all can not exceed 1000 meters scope in the system, though the Control on Communication distance is distant; But for carrying out large-scale LED information issue, will receive the limitation of structure scope.
In the time of need carrying out the issue of large-scale LED information; Can adopt the LED information issuing system of the MANET formula of following radio communication connected mode to realize; Be that the ZigBee wireless module that one or more LED wireless display terminal are set in the system possesses the wireless relay forwarding capability; So; The ZigBee wireless module of the LED wireless display terminal in the system can directly carry out radio communication with wireless control terminal and be connected; Also can carry out relaying to transmit through the ZigBee wireless module that possesses the wireless relay forwarding capability and carry out radio communication with wireless control terminal and is connected, transmit, just can expand the information of LED information issuing system at a distance and issue coverage through wireless relay.Whether the ZigBee wireless module possesses the wireless relay forwarding capability, and only need carry out software setting to the ZigBee wireless module is may command.Utilize the radio communication forwarding networking structure of the wireless relay forwarding capability structure of ZigBee wireless module that various ways can be arranged: 1. if having only a ZigBee wireless module to possess the wireless relay forwarding capability in the system; Other ZigBee wireless module all relies on it to carry out wireless relay and transmits; The radio communication of the type is transmitted networking structure and is star-like networking structure, and is as shown in Figure 3; 2. if the ZigBee wireless module of whole LED wireless display terminal all possesses the wireless relay forwarding capability in the system; Then each ZigBee wireless module can carry out the wireless relay forwarding each other; The radio communication of the type is transmitted networking structure and is Mesh type networking structure, and is as shown in Figure 4; 3. if having a plurality of in the system but be not that the ZigBee wireless module of whole LED wireless display terminal possesses the wireless relay forwarding capability; The ZigBee wireless module that possesses the wireless relay forwarding capability can carry out the wireless relay forwarding each other and transmit service for other ZigBee wireless module that does not possess the wireless relay forwarding capability provides wireless relay simultaneously; The radio communication of the type is transmitted networking structure and is star-like/Mesh mixed type networking structure, and is as shown in Figure 5.Consider the factor of signal attenuation; Transmit networking structure based on the radio communication of ZigBee wireless module and can carry out 10 wireless relay forwarding processing usually at most; Has only the ZigBee wireless module of hundreds of rice even if adopt radio communication coverage area; Also can make the information issue coverage of LED information issuing system of MANET formula reach the thousands of rice of circumference, if adopt the medium-to-high grade ZigBee wireless module of km on the radio communication coverage area, information issue coverage more can reach circumference and go up myriametre; Can satisfy the demand of large-scale LED information issue such as station, harbour, cities and towns fully; And layout is flexible, and cost is also lower, is the preferred version of multipoint mode LED information issuing system.
Explanation is at last; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model; And not breaking away from the aim and the scope of the utility model technical scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (3)
1. the LED information issuing system of a MANET formula is characterized in that, comprises wireless control terminal and LED wireless display terminal that radio communication connects;
Said wireless control terminal is terminal or the portable terminal that possesses the ZigBee wireless communication ability;
Said LED wireless display terminal has a plurality of, and each LED wireless display terminal mainly is made up of ZigBee wireless module, LED display control module and the LED display of data connection successively; The LED wireless display terminal is carried out radio communication through said ZigBee wireless module and wireless control terminal and is connected.
2. the LED information issuing system of MANET formula according to claim 1 is characterized in that, the ZigBee wireless module of each LED wireless display terminal directly carries out radio communication with wireless control terminal respectively and is connected in the said system.
3. the LED information issuing system of MANET formula according to claim 1 is characterized in that, the ZigBee wireless module of at least one LED wireless display terminal possesses the wireless relay forwarding capability in the said system; The ZigBee wireless module of the LED wireless display terminal in the system directly carries out radio communication with wireless control terminal and is connected, and perhaps carries out the relaying forwarding through the ZigBee wireless module that possesses the wireless relay forwarding capability and carries out radio communication with wireless control terminal and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200952608U CN202444635U (en) | 2012-03-14 | 2012-03-14 | Ad-hoc network type LED information distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200952608U CN202444635U (en) | 2012-03-14 | 2012-03-14 | Ad-hoc network type LED information distribution system |
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| Publication Number | Publication Date |
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| CN202444635U true CN202444635U (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012200952608U Expired - Fee Related CN202444635U (en) | 2012-03-14 | 2012-03-14 | Ad-hoc network type LED information distribution system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103237288A (en) * | 2013-05-09 | 2013-08-07 | 重庆邮电大学 | Method and device for independently distributing information to light-emitting diode (LED) screen based on wireless fidelity (WiFi) |
| CN106507073A (en) * | 2016-10-31 | 2017-03-15 | 努比亚技术有限公司 | A kind of multistage bridging optical projection system and method based on screen prjection |
-
2012
- 2012-03-14 CN CN2012200952608U patent/CN202444635U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103237288A (en) * | 2013-05-09 | 2013-08-07 | 重庆邮电大学 | Method and device for independently distributing information to light-emitting diode (LED) screen based on wireless fidelity (WiFi) |
| CN106507073A (en) * | 2016-10-31 | 2017-03-15 | 努比亚技术有限公司 | A kind of multistage bridging optical projection system and method based on screen prjection |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 Termination date: 20140314 |