CN101442423B - Master-salve two-layer combination type information publish communication system and working method thereof - Google Patents

Abstract

The invention provides a master-slave two-layer combined mode information release communication system and a working method thereof, which belong to the technical field of LED display control. The system comprises a command dispatch center and a local display sub-system, wherein the command dispatch center is a control computer; the local display sub-system comprises a local master control display terminal and a local ZIGBEE display network; the local master control display terminal is formed by a GPRS/CDMA functional module, a ZIGBEE function module, an LED display module and a GPS functional module which are connected with a main microprocessor respectively through serial ports; and the LED display module and the ZIGBEE functional module are respectively connected with each terminal in the local ZIGBEE display network through serial ports. The system remotely controls information release of different places in a proximal range through establishing communication of ZIGBEE network, GPRS/CDMA network and INTERNET network with the terminal, provides accurate time and particular position of the terminal through GPS, and remotely inhibits the terminal.

Description

A kind of master-salve two-layer combination type information publish communication system and method for work thereof

Technical field

The present invention relates to a kind of master-salve two-layer combination type information publish communication system and method for work thereof, belong to LED display control technology field.

Background technology

Along with popularizing and informationalized continuous development of LED display, the LED information issuing system has become a kind of inevitable of public arena information propagating.Because traditional wire transmission has very strong limitation, wireless information release system becomes people's preferential selection.Application number: 200710020033.2 open (bulletins) number: CN101018143: based on the public information publishing system of GPRS network platform, by the information demonstration of GPRS wireless network control issue terminal.Application number: 200610089574.6 open (bulletins) number: CN1901691: based on the distributive information delivery system of note, having adopted with GSM and CDMA short message is the delivery system of means of communication.More than these delivery systems all more convenient with the change of touchdown point, tool has an enormous advantage, but as the fruit part terminal at a distance of in certain scope the time, be to adopt which kind of mode in this scope, all can cause certain waste, the price of GPRS/CDMA module compares higher on the one hand, no matter be to adopt GPRS or GSM/CDMA communication mode on the other hand, each terminal all will be paid the GPRS/GSM/CDMA communication expense, will certainly cause the increase of cost like this.And the present invention proposes master-salve two-layer combination type information publish communication system and method for work thereof, the mode that has adopted GPRS/CDMA to combine with the ZIGBEE principal and subordinate has reduced communication cost, has bigger applicability.

Summary of the invention

The invention reside in the not enough point that solves in the existing wireless remote control LED displaying scheme, a kind of master-salve two-layer combination type information publish communication system and method for work thereof are provided.

A kind of master-salve two-layer combination type information publish communication system, comprise command scheduling center that is used for the control information issue and the local display subsystem that is used for the issue of realization information, described command scheduling center is mainly the control computer, and this center is connected with described local display subsystem with the GPRS/CDMA network wirelessly by the INTERNET network; Described local display subsystem comprises local master control display terminal and local ZIGBEE display network; Local master control display terminal is by the GPRS/CDMA functional module, the ZIGBEE functional module, master microprocessor, the LED display module, GPS functional module and peripheral circuit separately constitute, master microprocessor respectively with the GPRS/CDMA functional module, the LED display module, GPS functional module and ZIGBEE functional module connect by serial ports, and the GPRS/CDMA functional module is connected with the command scheduling center with the INTERNET network by the GPRS/CDMA network, local ZIGBEE display network comprises a plurality of ZIGBEE terminals, all by being connected with the ZIGBEE functional module with the LED display module respectively by serial ports from microprocessor, this network internal realizes communication and controls corresponding LED by the ZIGBEE functional module showing each terminal.

Wherein, the method for work of this communication system is as follows:

1) local display subsystem is uploaded the state information of each terminal module, makes the command scheduling center obtain the situation of each terminal, and described situation is opened or closed for the LED display module;

2) corresponding operation is made according to the state information of each terminal module in the command scheduling center, and the LED display module of Xian Shiing is closed if desired, and then the command scheduling center sends control information, and opens corresponding module, need to determine the module of demonstration to open;

3) the command scheduling center sends to the suitable display message of relevant terminal module as required, and this display message is policy information or the emergency information that LED directly will show, or precise time shows;

4) local master control display terminal is made corresponding reaction according to the information that receives, the LED display module shows or sends to local ZIGBEE display network, GPS module by this this landlord display terminal is finished obtaining of relevant precise time, so that master microprocessor receives precise time;

5) the ZIGBEE functional module in the local ZIGBEE display network receives information and reads wherein ID and make corresponding LED then and show.

Zigbee be a kind of emerging closely, low complex degree, low-power consumption, low-cost brand-new radio network data communication technology, be mainly used near radio and connect.It has the radio standard 802.15.4 of oneself, is the standard that IEEE working group formulates for short haul connection specially, coordinates to realize communication between thousands of small transducers mutually.

Local master control display terminal is responsible for being sent to local ZIGBEE network information uploading in the local ZIGBEE display network with the information that the center sends over, thereby gets killed to the long-distance intelligent of each ZIGBEE terminal is distant in the issue as required and the center of finishing central information.Different ZIGBEE terminals is controlled corresponding LED demonstration and a local state information is uploaded and the information that local ZIGBEE network is responsible for that the GPRS/CDMA module is received sends to respectively.

Can community of Long-distance Control or the issue of emergency information of the different places of school, advertising message, policies and regulations, weather information etc. an and precise time is provided by this system.Simultaneously, producer can also find the position of own product by the mode of GPS location, so that product is keeped in repair.This system has broken through the cost of wired system and the restriction of region on the one hand, adopts combining of ZIGBEE and GPRS/CDMA technology on the other hand, has saved a large amount of communication expense that only adopts the GPRS/CDMA technology to bring.

Description of drawings

Fig. 1 is the primary structure schematic diagram of system of the present invention.

The structural representation of Fig. 2 ZIGBEE terminal.

Fig. 3 system works flow process figure.

Wherein, 1, the ZIGBEE terminal, 2, local master control display terminal, 3, GPRS/CDMA functional module, 4, master microprocessor, 5, the ZIGBEE functional module, 6, LED display module, 7, GPS functional module, 8, the GPRS/CDMA network, 9, the INTERNET network, 10, command scheduling center, 11, local display subsystem, 12, local ZIGBEE display network, 13, from microprocessor.

Embodiment

The present invention will be further described below in conjunction with drawings and Examples.

Embodiment:

A kind of master-salve two-layer combination type information publish communication system, as shown in Figure 1, comprise command scheduling center 10 that is used for the control information issue and the local display subsystem 11 that is used for the issue of realization information, described command scheduling center 10 is mainly the control computer, and this center is connected with described display terminal with GPRS/CDMA network 8 wirelessly by INTERNET network 9; Described display terminal comprises local master control display terminal 2 and local ZIGBEE display network 12; Local master control display terminal 2 is by GPRS/CDMA functional module 3, ZIGBEE functional module 5, master microprocessor 4, LED display module 6, GPS functional module 7 and peripheral circuit separately constitute, master microprocessor 4 respectively with GPRS/CDMA functional module 3, LED display module 6, GPS functional module 7 and ZIGBEE functional module 5 connect by serial ports, and GPRS/CDMA functional module 3 is connected with command scheduling center 10 by GPRS/CDMA network 8, local ZIGBEE display network 12 comprises a plurality of ZIGBEE terminals 1, all by being connected with ZIGBEE functional module 5 with LED display module 6 respectively by serial ports from microprocessor 13, this network internal realizes communication by ZIGBEE functional module 5 and controls the demonstration of corresponding LED each terminal.

The method of work of above-mentioned master-salve two-layer combination type information publish communication system, can community of Long-distance Control or the issue of the emergency information of the different places of school, advertising message, policies and regulations, weather information by this system, and provide a precise time for the issue of above-mentioned information, producer can also find the position of own product by the mode of GPS location, so that product is keeped in repair, concrete method of work is as follows:

1) local display subsystem is uploaded the state information of each terminal module, makes the command scheduling center obtain the situation of each terminal, and described situation is opened or closed for the LED display module;

2) corresponding operation is made according to the state information of each terminal module in the command scheduling center, and the LED display module of Xian Shiing is closed if desired, and then the command scheduling center sends control information, and opens corresponding module, need to determine the module of demonstration to open;

3) the command scheduling center sends to the suitable display message of relevant terminal module as required, and this display message is policy information or the emergency information that LED directly will show, or precise time shows;

4) local master control display terminal is made corresponding reaction according to the information that receives, the LED display module shows or sends to local ZIGBEE display network, GPS module by this this landlord display terminal is finished obtaining of relevant precise time, so that master microprocessor receives precise time;

5) the ZIGBEE functional module in the local ZIGBEE display network receives information and reads wherein ID and make corresponding LED then and show.

The formation of each functional module and act on as follows:

(1) the command scheduling center 10: issue and the distant of local subsystem of controlling the corresponding information of local display subsystem 11 are got killed.Command scheduling center 10 is one and has the fixedly computer of IP, needed service software is housed above.This software is finished control to the distal displayed system by an interface.

(2) local display subsystem 11: comprise local ZIGBEE display network 12 and local master control display terminal 2.Wherein, described local ZIGBEE display network 12 is made up of one or more ZIGBEE terminals 1 (inside contain the wireless communication module of supporting the ZIGBEE agreement, from MCU and LED display module), be used to receive the information that command scheduling center 10 that local master control display terminal 2 is sent to sends, and carry out information issue separately on request; Simultaneously can also notify local master control display terminal 2 the correlation behavior information of this locality by following the ZIGBEE protocol signaling, after local master control display terminal 2 receives, notify described command scheduling center 10 by GPRS/CDMA network 8 and INTERNET network 9.

(3) GPRS/CDMA network 8 and INTERNET network 9: finish the mutual transmission of 10 of data at GPRS/CDMA functional module 3 and command scheduling center.

Local master control display terminal 2 in the above-mentioned local display subsystem 11 comprises GPRS/CDMA functional module 3, master microprocessor 4, ZIGBEE functional module 5, LED display module 6 and 7 five main functional modules of GPS functional module.

(1) the GPRS/CDMA functional module 3, communicate by GPRS/CDMA network 8 and INTERNET network 9 and command scheduling center 10, and link to each other with master microprocessor 4 and communicate.

(2) the LED display module 6: linking to each other with master microprocessor 4 communicates, and is responsible for the relevant information that receives from master microprocessor 4 is shown.

(3) the GPS functional module 7: finish obtaining of relevant precise time and geography information, and link to each other the information uploading of being responsible for obtaining with master microprocessor 4.

(4) the ZIGBEE functional module 5: with each ZIGBEE terminal 1 in the local ZIGBEE display network 12 by the exchange of ZIGBEE protocol signaling, finish the following biography of information and upload.

(5) master microprocessor 4: the while links to each other respectively with GPRS/CDMA functional module 3, ZIGBEE functional module 5, LED display module 6 and GPS functional module 7 and communicates.Mainly finish following function: receive the information and processings of classifying that GPRS/CDMA functional module 3 passes over, then as requested in local LED display module 6 demonstrations or be sent to ZIGBEE functional module 5; The relevant temporal information that the related request reception GPS functional module 7 at the command scheduling center 10 that the while basis receives was collected or the geography information of this system.

ZIGBEE terminal 1 in the described local ZIGBEE display network 12 comprises ZIGBEE functional module 5, from microprocessor 13,6 three main functional modules of LED display module.ZIGBEE functional module 5 receives the message that is sent by ZIGBEE functional module in the master control display terminal 25, judge from microprocessor 13 whether the data that receive are to belong to this ZIGBEE terminal 1 content displayed, on request the information that receives is delivered to LED display module 6 then and show or abandon.

In the present embodiment, can utilize GPRS/CDMA and ZIGBEE SMS platform to receive and the demonstration various information, be particularly useful for quick communication, multiple spot reception, information communication inconvenience, long transmission distance, no networking environment, strong security, frequent place and the field of information updating, be applicable to the industry of closed management, strongly professional, all vertical memberships more, as long as adopt point control issue in the industry control centre, just can realize that canvas shows in the multiple spot information of national subordinate unit.Realize quick, effectively information issue.It has not only been broken away from and wired and multi-threadly can't receive the constraint of information simultaneously, and has only saved a part of communication cost by the GPRS/CDMA technology, ZIGBEE technology low-power consumption in addition, closely, advantages such as low complex degree, low cost have obtained using widely.

Simultaneously, along with informationalized development, LED display no longer is only to Show Picture, and provides visual enjoyment to the public, more will provide timely, effective, accurate, authoritative information for the public.The present invention is by combining present information transmission technologys such as LED display and GPRS/CDMA network, INTERNET network, formed a kind of master-salve two-layer combination type information publish communication system, be applicable to numerous industries such as earthquake, flood control, public security, army, water conservancy, meteorology, environmental protection, electric power, traffic, government, finance, national chain, also applicable to fast emergent, confidential information transmission, command scheduling management, information issue, notice of meeting, advertising, bulletin demonstration and the temporal information etc. of every profession and trade accident.Both can LED show, again can real-time release information, thus expanded the function that LED shows.

Claims (1)

1. master-salve two-layer combination type information publish communication system, it is characterized in that, comprise command scheduling center that is used for the control information issue and the local display subsystem that is used for the issue of realization information, described command scheduling center is mainly the control computer, and this center is connected with described local display subsystem with the GPRS/CDMA network wirelessly by the INTERNET network; Described local display subsystem comprises local master control display terminal and local ZIGBEE display network; Local master control display terminal is by the GPRS/CDMA functional module, the ZIGBEE functional module, master microprocessor, the LED display module, GPS functional module and peripheral circuit separately constitute, master microprocessor respectively with the GPRS/CDMA functional module, the LED display module, GPS functional module and ZIGBEE functional module connect by serial ports, and the GPRS/CDMA functional module is connected with the command scheduling center with the INTERNET network by the GPRS/CDMA network, local ZIGBEE display network comprises a plurality of ZIGBEE terminals, all by being connected with the ZIGBEE functional module with the LED display module respectively by serial ports from microprocessor, this network internal realizes communication and controls corresponding LED by the ZIGBEE functional module showing each terminal;

Wherein, the method for work of this communication system is as follows:

1) local display subsystem is uploaded the state information of each terminal module, makes the command scheduling center obtain the situation of each terminal, and described situation is opened or closed for the LED display module;

2) corresponding operation is made according to the state information of each terminal module in the command scheduling center, and the LED display module of Xian Shiing is closed if desired, and then the command scheduling center sends control information, and opens corresponding module, need to determine the module of demonstration to open;

3) the command scheduling center sends to the suitable display message of relevant terminal module as required, and this display message is policy information or the emergency information that LED directly will show, or precise time shows;

4) local master control display terminal is made corresponding reaction according to the information that receives, the LED display module shows or sends to local ZIGBEE display network, GPS module by this this landlord display terminal is finished obtaining of relevant precise time, so that master microprocessor receives precise time;

5) the ZIGBEE functional module in the local ZIGBEE display network receives information and reads wherein ID and make corresponding LED then and show.

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