CN202870801U

CN202870801U - Wireless control light emitting diode (LED) display screen information release system device

Info

Publication number: CN202870801U
Application number: CN 201220486440
Authority: CN
Inventors: 刘增伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-09-08
Filing date: 2012-09-08
Publication date: 2013-04-10
Anticipated expiration: 2022-09-08

Abstract

The utility model provides a wireless control light emitting diode (LED) display screen information release system device which comprises a center management computer, the Internet, a general packet radio service (GPRS) system, control cards and LED display screens. The technical scheme that each LED display screen is provided with one control card is used, an existing wireless internet access system platform is used, the center management computer is used for releasing information to the control cards which are distributed on the LED display screens in each place in real time through the Internet and the GPRS system in a wireless transmission mode, and the control cards control the LED display screens of the control cards to be displayed and released. The problems that distribution and arrangement in long distance are difficult, and resource is wasted in the prior art are solved. Through the wireless transmission mode, one computer is used for serving a plurality of LED display screens to work in real time, and the purposes of long distance dispersing arrangement, real-time adjustment, replacing of information releasing content and resource saving are achieved by the LED display screens.

Description

A kind of wirelessly controlled LED display screen information distribution system device

Technical field

The utility model relates to the distributing device to LED display information, specifically refer to utilize existing wireless Internet access platform, the information content of LED display demonstration issue is adjusted in real time, changed a kind of wirelessly controlled LED display screen information distribution system device of control by wireless transmission.

Background technology

LED display is to show picture and text and video information by the light on and off mode of controlling the semiconductor light-emitting-diode array; Station, harbour, airport, market, hospital, hotel, bank, market, school, industrial enterprise, culture and sports venue, municipal Public place have been widely used at present.

The information issue of the LED display of prior art is adopted and the transmission of computer wired connection, because the wired connection transmission mode is subjected to the restriction (distance is 20 meters to 1 kilometer) of transmission range, vast rural area, country road are along the line so that LED display is difficult to be arranged on, tourist attraction, the public transport stop board etc. that spreads all over town and country distribute vast and occasion that disperse, are used in time issue such as meteorology, geology, pest disaster and predict the important public informations such as service and government affairs, economy, science, culture; In addition, every LED display of wired connection Synchronous Transfer Mode palpus is servo by a computer correspondence, so that the computer occupancy is large, holistic cost is high; Therefore, there is the restriction that is subjected to transmission range in prior art, and being difficult to distribute at a distance setting and computer occupancy are large, the problems and shortcomings of the wasting of resources.

Summary of the invention

For the problems and shortcomings that above-mentioned prior art exists, the utility model adopts and every LED display a control card is set, and utilizes existing wireless Internet access system platform, crosses internet, GPRS packet radio service system with a centre management computer expert; By the picture and text of wireless transmission method with the centre management computer photograph, video, the voice communication information real-time release is to certain or a plurality of separately independently on control card of LED display of various places that be distributed in, the technical scheme that is shown issue by each control card control LED display separately with the acousto-optic form, a kind of wirelessly controlled LED display screen information distribution system device is provided, be intended to by a computer with simultaneously servo a plurality of LED display work of wireless transmission method, make LED display break away from the restriction of transmission line, be able to the remote distributed setting, can adjust in real time, change information presenting substance, the purpose that economizes on resources.

The purpose of this utility model is achieved in that a kind of wirelessly controlled LED display screen information distribution system device, comprise centre management computer, internet, GPRS, control card, LED display, wherein: described centre management computer is that load operating has special-purpose information releasing software, center editorial management software, be responsible for editor, make displaying contents information, and to described control card and described LED display transmission issue; Be responsible for establishment operational management program and control card and LED display managed the computer equipment of control; Centre management computer and described internet, GPRS wired connection are by internet, GPRS and control card, LED display wireless connections; Described internet, GPRS are the general packet radio service wireless Internet access transmission service platform of prior art; Described control card is for being provided with the user and identifying SIM card and being connected with described centre management computer wireless via described GPRS, internet by wireless telecommunications, by the microcomputer apparatus of data line and LED display wired connection; Control card is provided with: wireless communication module, exchanges data RS232 serial line interface, user identify SIM card, flash memory FLASH storer, microprocessor, display unit plate interface, voice control interface, farad capacitor standby power supply, multirow cell board output control mouth, clock display cell board interface, power interface; Control card is located at the inside of described LED display, carries out control LED display execution demonstration task according to operational management program and the instruction of centre management computer transmission; Described LED display is the LED display terminal that described control card and controlled card control execution demonstration task are housed; The driving power of LED display is for arranging on-site civil power.

The centre management computer is transferred to the internet with the displaying contents information of institute's editing and the operational management program of working out by wired connection, send to control card in the LED display that is located at various places through the GPRS general packet radio service again, control card in the display screen of various places is identified the SIM card reception for oneself instruction, information by the user, and be stored in the flash memory FLASH storer, by carrying out by each the functional interfaces output in the control card after the microprocessor dissection process; For example, carry out the acoustic-optic indicator task by voice control interface, display unit plate interface output control LED display.

Useful design effect

Adopt multithread scheduling to add the unblock network interface in the programming of centre management computer software; The centre management computer can by wired serial mode or GPRS communication modes revise at any time or remotely modifying LED electronic display in the system software of control card, to satisfy the new demand that is proposed in user's use procedure or to revise in the master program inevitably system vulnerability or defective; Control card is provided with the user and identifies SIM card, and the centre management computer can be published to information on the control card of certain in the information issue net, a plurality of or whole LED display by the information releasing software pointedly, in real time, exactly; Control card is based on EDA technology (electric design automation) and single-chip microcomputer technology, adopts wireless communication module by the Hardware description language scm software programming of making peace; Control card stores 48 dot matrix, 32 dot matrix, 24 dot matrix and 16 dot matrix word libraries, can the ISN form receives Word message, issues document files in the short message mode of electronical display; The configuration farad capacitor is as standby power supply in the control card, and the clock circuit that can keep during outage in the control card runs without interruption; Detect the communication contact of judging with the centre management computer during the every integral point of control card, as disconnecting, internet login and centre management computer recover to contact control card again automatically.

Above-mentioned, the utility model adopts and every LED display a control card is set, utilize existing wireless Internet access system platform, with a centre management computer through the internet, GPRS packet radio service system, pass through wireless transmission method, picture and text with the centre management computer photograph, video, the voice communication information real-time release is to the control card of the LED display that is distributed in various places, the technical scheme that is shown issue by control card control LED display separately with the acousto-optic form, overcome the prior art existence and being difficult to the remote setting that distributes, the problems and shortcomings of the wasting of resources, a kind of wirelessly controlled LED display screen information distribution system device that provides, by a computer wireless transmission method, in real time servo a plurality of LED display work, the restriction that makes LED display break away from transmission range have reached can the remote distributed setting, can adjust in real time, change information presenting substance, the purpose that economizes on resources.

Description of drawings

Fig. 1 is the principle block diagram of a kind of wirelessly controlled LED display screen information distribution system device of the utility model;

Fig. 2 is the block diagram of the control card of a kind of wirelessly controlled LED display screen information distribution system device of the utility model.

Below in conjunction with the embodiment in the accompanying drawing the utility model is described in further detail, but should not be construed as any restriction of the present utility model.

Embodiment

Consult Fig. 1, Fig. 2, a kind of wirelessly controlled LED display screen information distribution system device of the present utility model, comprise centre management computer, internet, GPRS, control card, LED display, wherein: described centre management computer is that load operating has special-purpose information releasing software, center editorial management software, be responsible for editor, make displaying contents information, and to described control card and described LED display transmission issue; Be responsible for establishment operational management program and control card and LED display managed the computer equipment of control; Centre management computer and described internet, GPRS wired connection are by internet, GPRS and control card, LED display wireless connections;

Described internet, GPRS are the general packet radio service wireless Internet access transmission service platform of prior art;

Described control card is for being provided with the user and identifying SIM card and being connected with described centre management computer wireless via described GPRS, internet by wireless telecommunications, by the microcomputer apparatus of data line and LED display wired connection; Control card is provided with: wireless communication module, exchanges data RS232 serial line interface, user identify SIM card, flash memory FLASH storer, microprocessor, display unit plate interface, voice control interface, farad capacitor standby power supply, multirow cell board output control mouth, clock display cell board interface, power interface; Control card is located at the inside of described LED display, carries out control LED display execution demonstration task according to operational management program and the instruction of centre management computer transmission;

Described LED display is the LED display terminal that described control card and controlled card control execution demonstration task are housed; The driving power of LED display is for arranging on-site civil power.

Claims

1. wirelessly controlled LED display screen information distribution system device, comprise centre management computer, internet, GPRS, control card, LED display, it is characterized in that: described centre management computer and described internet, GPRS wired connection, by internet, GPRS and control card, LED display wireless connections;

Described control card is for being provided with the user and identifying SIM card and being connected with described centre management computer wireless via described GPRS, internet by wireless telecommunications, by the microcomputer apparatus of data line and LED display wired connection; Control card is provided with: wireless communication module, exchanges data RS232 serial line interface, user identify SIM card, flash memory FLASH storer, microprocessor, display unit plate interface, voice control interface, farad capacitor standby power supply, multirow cell board output control mouth, clock display cell board interface, power interface; Control card is located at the inside of described LED display;