CN101640010A - LED display screen system based on mobile device remote control and communication method thereof - Google Patents
LED display screen system based on mobile device remote control and communication method thereof Download PDFInfo
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- CN101640010A CN101640010A CN200910041979A CN200910041979A CN101640010A CN 101640010 A CN101640010 A CN 101640010A CN 200910041979 A CN200910041979 A CN 200910041979A CN 200910041979 A CN200910041979 A CN 200910041979A CN 101640010 A CN101640010 A CN 101640010A
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Abstract
The invention provides an LED display screen system based on mobile device remote control and communication method thereof. The system is composed of a wireless receiving module according with the 3Gcommunication standard, a data processing and allocation unit and an LED display screen. The communication method thereof includes that: a user adopts a mobile device (PDA, 3G phone, netbook, MID) toestablish connection with the LED display screen system by accessing the IP address of the LED display screen system, and the connection format thereof adopts a real-time interactive interface in webpage form. User password authentication, display screen display function configuration and network transmission of files are realized on the webpage interactive interface. The invention greatly improves the portability and universality of a transmitting terminal. In addition, the favourable webpage interactive interface is convenient for the user to configure and manage the display screen.
Description
Technical field
The present invention relates to the information communication field, be specifically related to a kind of LED display system and communication means thereof based on mobile device remote control.
Background technology
Along with popularizing and the reduction of cost of LED display, LED display has become a kind of important tool of public arena information propagating.Realize at present the information transmission or the method for updating of LED display are mainly contained:
(1) display screen by wireline interface be connected with computing machine realize the change.
(2) by wireless GSM, GPRS network realizes long-range change, and transmitting terminal needs the specific software on the computing machine to edit transmission.
LED display for utilizing wireless remote transmission information also exists following problem:
1) owing to GSM, the GPRS network limited bandwidth, the Long-distance Control of display screen is mainly transmitted literal, and image is difficult to realize video remote transmission and real-time play.2) information sends before the transmission, and most of data processing needs to finish on the transmitting terminal computer platform, is restricted with sending, is difficult to realize portable change, and property is low everywhere in real time.3) owing to realization on computers, and need specific software for editing, fringe cost is too high.4) Chinese invention patent application number 200710028417.9 discloses and has utilized the Ethernet transmitting information wirelessly, be connected with wireless network but need set up server certainly, and mass data handles and still to be responsible for processing by the server before the wireless transmission end, and fringe cost is too high.
Summary of the invention
The objective of the invention is to overcome the prior art above shortcomings, LED display system and communication means thereof based on mobile device remote control are provided.The present invention is achieved through the following technical solutions:
LED display system based on mobile device remote control, described mobile device comprises PDA, mobile phone, net book or the MID with 3G communications network functionality, this LED display system comprises data processing with allocation units, LED display be used for the wireless receiving module that 3G communicates by letter, and described data processing is made up of with the input interface circuit that is connected with this microprocessor respectively, external data storage circuit, output interface circuit microprocessor with allocation units; Data processing is connected with described wireless receiving module by input interface circuit with allocation units, and is connected with LED display by output interface circuit; Data processing and allocation units communicate by wireless receiving module and the described mobile device that is in the 3G any wireless network services scope.
In the above-mentioned LED display system, the microprocessor in data processing and the allocation units adopts the StrongARM processor, and interface input circuit and interface output circuit all adopt usb circuit; The Strong arm processor adopts linux system, and control, the dynamic web page of being responsible for control, fire wall and the route of Network Transmission generates, the generation of real-time decoding, LED display picture signal and the control signal of video file RM form.
In the above-mentioned LED display system, described wireless receiving module is selected the EM770 of Huawei module for use.
The communication means of above-mentioned LED display system is: described mobile device connects by the IP address and the LED display system of the described wireless receiving module of 3G wireless network access, and the communicate configuration of mobile device and LED display system and the interactive interface of LED display system and mobile device are presented on the display screen of mobile device with form web page.
In the above-mentioned communication means, the LED display system is directed to data processing and allocation units embedded webpage with described mobile device to the visit of wireless receiving module IP address by routing rule, and the code of this webpage uses the dynamic web page script to generate by data processing and allocation units.
In the above-mentioned communication means, mobile device is submitted password authentification information and configuration information by the post mechanism of webpage to the data processing and the allocation units of LED display system, and mobile device transmits video file to the LED display system and adopts the transmission of HTTP progressive streaming.
Above-mentioned communication means specifically comprises the steps:
(1) system initialization: wireless receiving module inserts the 3G wireless network, and data processing and allocation units connect with wireless receiving module and LED display terminal respectively;
(2) data processing and allocation units are monitored the network port, if the user is arranged by mobile device visit LED display system, then by routing rule the user is directed to the embedded webpage of system to the visit of LED display system ip address, the content of webpage contains the inputting interface of password authentification information;
(3) user imports password authentification information on the webpage of mobile device, and submits password authentification information by webpage post mechanism to described data processing and allocation units;
(4) data processing and allocation units read the password authentification information that the user submits to, if password authentification is correct, then generate the webpage that contains configuration menu by dynamic web page script PHP, simultaneously this webpage are sent to mobile device; If the password authentification mistake then continues to allow the user re-enter encrypted message;
(5) user is at the webpage input configuration information of configuration menu, and submit configuration information by webpage post mechanism to data processing and allocation units, the webpage of described configuration menu whether contain to video file carry out the option of real-time play, file is imported or deletes management interface, pictograph size and display mode the interface is set.
(6) data processing and allocation units read the configuration information that the user submits to, and isolate control information and accessory information, described control information comprises literal size and display mode (as: the dynamic demonstration of literal or the static state of literal show) information, the importing of file or deletion information; Accessory information comprises text, image, video file;
(7) whether data processing and allocation units carry out real-time play to video file according to the control information decision.
In the above-mentioned communication means, step (7) further comprises: if need play real-time video, then carry out control information, adopt HTTP progressive streaming transmitting video files, and the real-time decoding video file, generate the LED display picture signal simultaneously and export to the LED display terminal; If do not need real-time video is play, then carry out control information, HTTP progressive streaming transmitting video files, and video file is stored in external memory storage.
In the above-mentioned communication means, surpass the number of times of setting if the user inputs the password errors number in the step (4), then the LED display system disconnects with mobile device and being connected.
The present invention has following advantage and beneficial effect:
1. because by the 3G communication network, not only can the wireless transmission literal, image, but also transmitting video files are fast realized the broadcast of real-time video or non real-time.
2. because display screen system is controlled by mobile device, and transmitting terminal is not limited by the region, has realized portable change, improve transmitting terminal property everywhere in real time.
3. do not need transmitting terminal before sending transmission information, to carry out mass data and handle, need not to set up server, improve the mobile device versatility of transmitting terminal, only require that mobile device has the function that inserts 3G network and gets final product.
4.LED the good webpage interactive interface of display screen system and mobile device makes things convenient for user's configuration feature and management, has hommization and is difficult for the characteristics of makeing mistakes.
Description of drawings
Fig. 1 is the structured flowchart of LED display system and mobile device in the embodiment.
Fig. 2 is the data processing and the dispense unit configurations block diagram of LED display system among Fig. 1.
Fig. 3 is the process flow diagram of the communication means of LED display system and mobile device.
1. mobile device 2.3G wireless network 3. wireless receiving modules
4. data processing and allocation units 5.LED display screen terminal 6. microprocessors
7. input interface circuit 8. external data storage circuit 9. output interface circuits
Embodiment
As Fig. 1, the LED display system comprises the wireless receiving module that meets the 3G communication standard in the present embodiment, data processing and allocation units, and LED display is formed.
Wireless receiving module is selected the EM770 of Huawei module for use, and it supports the communication of WCDMA network.At first the user uses mobile device (mobile phone, net book, PDA, MID) access 3G network to be connected in real time with the wireless receiving module foundation that meets the 3G communication standard by the IP address of visit LED display system, wireless receiving module sends solicited message to data processing and allocation units, and is contained the web page code at user rs authentication interface and it is sent authorization information by wireless receiving module to user's mobile device by data processing and the dynamic generation of allocation units.At this moment, the interactive interface of mobile device and system is presented on form web page in face of the user, and webpage is display password checking interface at first, when user cipher verifies that when correct, data processing and allocation units are to the web interface of user's push function configuration menu.Thereafter, the user disposes the display screen Presentation Function by mobile device on webpage, and configuration feature comprises whether file being imported or delete management, the setting of pictograph size and display mode, and video is regularly play or the option of real-time play.When user's configuration finishes, submit configuration menu to, this moment, the data presentation screen system was made the control corresponding action according to the menu configuration to the LED display terminal, if file transfer is arranged, data processing and allocation units are then set up Network Transmission with mobile device, and file adopts the transmission of HTTP progressive streaming.
As Fig. 2, data processing and allocation units belong to an integrated embedded top-grade computer of technical grade on hardware view, and it is made up of microprocessor, interface input circuit, external data storage circuit, interface output circuit.Wherein the interface input circuit connects wireless communication module, the external LED display terminal of interface output circuit.Microprocessor is selected the Strong arm processor for use, and interface input circuit and output circuit use USB interface.Adopt linux system on data processing and the allocation units software, control, the dynamic web page of mainly being responsible for control, system's fire wall and the route of Network Transmission generate the real-time decoding of video file RM form, the generation of LED display picture signal and control signal.The decoded video file layout of data processing and allocation units support is RM (Real Media) form.After data processing and allocation units receive configuration information, isolate control information and document content information, fileinfo comprises video file, pattern file.If need real-time play, then directly RM file real-time decoding and the picture signal that generates display screen are sent to the LED display terminal by USB interface again.
The user uses mobile device PDA, 3G mobile, net book, MID (Mobile Internet Device, mobile internet device) inserts 3G network and IP address and LED display system by visit LED display system connect, its type of attachment adopts the real-time, interactive interface of form web page, and the code of webpage is generated by LED display system Real-time and Dynamic.On the webpage interactive interface, realize user's password authentification, the Network Transmission of configuration of display screen Presentation Function and file.As Fig. 3, the step of the communication means of LED display system and mobile device is as follows:
(1) system initialization: wireless communication module inserts the WCDMA network, and with wireless communication module, the connection signal of LED display terminal is unimpeded respectively for data processing and allocation units.
(2) data processing and allocation units are monitored network 80 ports, if there is the user to pass through the mobile device access system, then the user is directed to the embedded webpage of system to the visit of system ip address by routing rule, the content of webpage contains the inputting interface of password authentification information, wherein routing rule mainly is to use the iptables rule on the Linux, to when entering the PREROUTING chain of nat, be directed to the comfortable net domain addresses of data processing and allocation units to the data packet of data processing and allocation units transmission, realize the data packet transmission.
(3) user imports password authentification interface input password authentification information on webpage, and submits password authentification information by webpage post mechanism to data processing and allocation units.
(4) data processing and allocation units read the password authentification information that the user submits to, if password authentification is correct, then generate and contain to user's propelling movement the webpage of configuration menu by dynamic web page script PHP.If the password authentification mistake then continues to allow the user re-enter encrypted message, if inputing the password errors number, the user surpasses 3 times, at this moment, system disconnects with mobile device and being connected.
(5) user imports configuration information on the webpage of configuration menu, and submits configuration information by webpage post mechanism to data processing and allocation units.Configuration information whether contain to video file carry out real-time play option information, file is imported or deletes information of managing, pictograph size and the display mode information of (the dynamic demonstration of literal or the static state of literal show), accessory information.
(6) data processing and allocation units read the configuration information that the user submits to, and isolate control information and accessory information, wherein accessory information mainly comprises text, image, video file, and whether control information comprises carries out the option information of real-time play, file is imported or deletes the information of information of managing, pictograph size and display mode video file.
(7) whether data processing and allocation units carry out real-time play to video file according to control information and carry out corresponding operating.If need play to real-time video, then carry out control information, HTTP progressive streaming transmitting video files, and real-time decoding RM file generate the LED display picture signal and export to the LED display terminal.If do not need real-time video is play, then carry out control information, HTTP progressive streaming transmitting video files, and it is stored in external memory storage.
(8) finish when file transfer, parting system is connected sign off with the network of mobile device.
Claims (9)
1, based on the LED display system of mobile device remote control, described mobile device comprises PDA, mobile phone, net book or the MID with 3G communications network functionality, it is characterized in that this LED display system comprises data processing with allocation units, LED display be used for the wireless receiving module that 3G communicates by letter, described data processing is made up of with the input interface circuit that is connected with this microprocessor respectively, external data storage circuit, output interface circuit microprocessor with allocation units; Data processing is connected with described wireless receiving module by input interface circuit with allocation units, and is connected with LED display by output interface circuit; Data processing and allocation units communicate by wireless receiving module and the described mobile device that is in the 3G any wireless network services scope.
2, the LED display system based on mobile device remote control according to claim 1, it is characterized in that the microprocessor in data processing and the allocation units adopts the Strong arm processor, interface input circuit and interface output circuit all adopt usb circuit; The Strong arm processor adopts linux system, and control, the dynamic web page of being responsible for control, fire wall and the route of Network Transmission generates, the generation of real-time decoding, LED display picture signal and the control signal of video file RM form.
3, the LED display system based on mobile device remote control according to claim 1 is characterized in that described wireless receiving module selects the EM770 of Huawei module for use.
4, the communication means that is used for the described LED display of claim 1 system, it is characterized in that described mobile device connects by the IP address and the LED display system of the described wireless receiving module of 3G wireless network access, the communicate configuration of mobile device and LED display system and the interactive interface of LED display system and mobile device are presented on the display screen of mobile device with form web page.
5, communication means according to claim 3, it is characterized in that the LED display system is directed to data processing and allocation units embedded webpage with described mobile device to the visit of wireless receiving module IP address by routing rule, the code of this webpage uses the dynamic web page script to generate by data processing and allocation units.
6, communication means according to claim 4, it is characterized in that mobile device passes through data processing and allocation units submission password authentification information and the configuration information of the post mechanism of webpage to the LED display system, mobile device adopts the HTTP progressive streaming to transmit video file to the LED display system.
7, according to each described communication means of claim 1～6, it is characterized in that comprising the steps: (1) system initialization: wireless
Receiver module inserts the 3G wireless network, and data processing and allocation units are respectively with wireless
Receiver module and LED display terminal connect;
(2) data processing and allocation units are monitored the network port, if the user is arranged by mobile device visit LED display system, then by routing rule the user is directed to the embedded webpage of system to the visit of LED display system ip address, the content of webpage contains the inputting interface of password authentification information;
(3) user imports password authentification information on the webpage of mobile device, and submits password authentification information by webpage post mechanism to described data processing and allocation units;
(4) data processing and allocation units read the password authentification information that the user submits to, if password authentification is correct, then generate the webpage that contains configuration menu by dynamic web page script PHP, simultaneously this webpage are sent to mobile device; If the password authentification mistake then continues to allow the user re-enter encrypted message;
(5) user is at the webpage of configuration menu input configuration information, and by webpage post mechanism to data processing and allocation units submission configuration information, described configuration information contains the option that whether video file is carried out real-time play;
(6) data processing and allocation units read the configuration information that the user submits to, and isolate control information and accessory information, and described control information comprises literal size and display mode, the importing of file or deletion; Described accessory information comprises text, image, video file;
(7) whether data processing and allocation units carry out real-time play to video file according to the control information decision.
8, communication means according to claim 7, it is characterized in that step (7) further comprises: if need play to real-time video, then carry out control information, adopt HTTP progressive streaming transmitting video files, and the real-time decoding video file, generate the LED display picture signal simultaneously and export to the LED display terminal; If do not need real-time video is play, then carry out control information, HTTP progressive streaming transmitting video files, and video file is stored in external memory storage.
9, communication means according to claim 8 is characterized in that surpassing the number of times of setting if the user inputs the password errors number in the step (4), and then the LED display system disconnects with mobile device and being connected.
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| 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 |
| CN104184825A (en) * | 2014-09-05 | 2014-12-03 | 国家电网公司 | Mobile terminal control method based on splicing controller echo |
| CN104732923A (en) * | 2015-03-17 | 2015-06-24 | 李小司 | Display device with background password protection and control method of display device |
| CN105516450A (en) * | 2015-10-21 | 2016-04-20 | 上海智显光电科技有限公司 | Elevator floor display method and device employing cellphone and sensor to update display |
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