CN105281858A - School broadcasting system based on Zigbee technology - Google Patents
School broadcasting system based on Zigbee technology Download PDFInfo
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- CN105281858A CN105281858A CN201510843093.9A CN201510843093A CN105281858A CN 105281858 A CN105281858 A CN 105281858A CN 201510843093 A CN201510843093 A CN 201510843093A CN 105281858 A CN105281858 A CN 105281858A
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Abstract
The invention provides a school broadcasting system based on Zigbee technology, which belongs to the wireless field and comprises a broadcasting management center, a database, a Zigbee node coordinator, a Zigbee node router and a Zigbee terminal node; the broadcasting management center is connected to the database; the broadcasting management center is connected to the Zigbee node coordinator; the Zigbee node coordinator is in wireless connection to the Zigbee node router; the Zigbee node router is in wireless connection to the Zigbee terminal node; the Zigbee terminal node comprises at least two Zigbee terminal broadcasting nodes; the Zigbee node coordinator is used to transmit voice datum to the Zigbee node router, and further the Zigbee node router selects a route and transmits the voice datum to the Zigbee terminal broadcasting nodes, thereby realizing wireless transmission of the voice datum; and the problems of laying lines and upgrading devices in existing school broadcasting systems are solved.
Description
Technical field
The present invention relates to school broadcasting's system, particularly relate to the school broadcasting's system based on ZigBee technology.
Background technology
Traditional Campus Broadcasting System great majority adopt level pressure transmission means, and which is directly amplified at audio signal, carries based on power signal; There is following shortcoming in Old style campus broadcast system: one, independently must lay special voice band line, lay voice band line and bother very much between Lou Yulou, and difficulty is also very large, also at substantial man power and material; Its two, cannot being upgraded by simple management equipment and change line function, when many times needing to upgrade equipment, needing whole system to reinstall, cumbersome.
Along with the development of wireless technology, wireless electronic product starts to popularize; Based on the problems referred to above, we need a kind of wireless school broadcasting of exploitation system, do not need laying-out, easily change line function during device upgrade, make school broadcasting's system more intelligent.
Summary of the invention
The invention provides the school broadcasting's system based on ZigBee technology, solve the problem of existing school broadcasting system laying-out difficulty and device upgrade difficulty.
The present invention solves the problem by the following technical programs:
Based on school broadcasting's system of ZigBee technology, be made up of broadcast management centre, database, Zigbee nodes coordinating device, Zigbee node router and Zigbee terminal node;
Described broadcast management centre and DataBase combining; Described broadcast management centre is connected with Zigbee nodes coordinating device; Described Zigbee nodes coordinating device and the wireless connections of Zigbee node router; Described Zigbee node router and the wireless connections of Zigbee terminal node;
Described Zigbee terminal node at least comprises 2 Zigbee terminal plays nodes.
Preferably, described Zigbee terminal plays node comprises Zigbee wireless communication module, controller module, voice playing module and power module; The input of described Zigbee wireless communication module and the wireless connections of Zigbee node router; The described output of Zigbee wireless communication module is connected with the input of controller module; The output of described controller module is connected with the input of voice playing module; Described power module is connected with Zigbee wireless communication module, controller module and voice playing module respectively powers.
Preferably, described Zigbee wireless communication module comprises digital signal processing circuit, processor, reset circuit, receiver and antenna; The output of described digital signal processing circuit is connected with the input of controller module; The input of described digital signal processing circuit is connected with the output of processor; The input of described processor is connected with the input of receiver; The input of described receiver is connected with the output of antenna; The output of described reset circuit is connected with the input of processor; The input of described antenna and the wireless connections of Zigbee node router.
Preferably, described processor uses the chip that chip model is CC3200.
Advantage of the present invention and effect are:
The invention provides the school broadcasting's system based on ZigBee technology, use Zigbee nodes coordinating device that speech data is passed to Zigbee node router, by the further routing of Zigbee node router, speech data is passed to Zigbee terminal plays node again, realize the wireless transmission of speech data; Solve the problem of existing school broadcasting system laying-out difficulty and device upgrade difficulty.
Accompanying drawing explanation
Fig. 1 is present system schematic diagram.
Fig. 2 is Zigbee terminal plays node structure block diagram of the present invention.
Fig. 3 is Zigbee wireless sending module structured flowchart of the present invention.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
Based on school broadcasting's system of ZigBee technology, as shown in Figure 1, be made up of broadcast management centre, database, Zigbee nodes coordinating device, Zigbee node router and Zigbee terminal node;
Described broadcast management centre and DataBase combining; Described broadcast management centre is connected with Zigbee nodes coordinating device; Described Zigbee nodes coordinating device and the wireless connections of Zigbee node router; Described Zigbee node router and the wireless connections of Zigbee terminal node;
Described Zigbee terminal node at least comprises 2 Zigbee terminal plays nodes.
In order to make the work of Zigbee terminal plays node more stable, described Zigbee terminal plays node, as shown in Figure 2, comprises Zigbee wireless communication module, controller module, voice playing module and power module; The input of described Zigbee wireless communication module and the wireless connections of Zigbee node router; The described output of Zigbee wireless communication module is connected with the input of controller module; The output of described controller module is connected with the input of voice playing module; Described power module is connected with Zigbee wireless communication module, controller module and voice playing module respectively powers.
The speech data that described Zigbee terminal plays node imports into for receiving Zigbee node router, speech data is decoded by decompress(ion) and decoder, by analog to digital conversion circuit, analog signal is converted to digital signal again, finally by voice playing module, numerical signal is transferred to voice signal, realize the broadcasting of the reception of data.
Described Zigbee wireless communication module, as shown in Figure 3, comprises digital signal processing circuit, processor, reset circuit, receiver and antenna; The output of described digital signal processing circuit is connected with the input of controller module; The input of described digital signal processing circuit is connected with the output of processor; The input of described processor is connected with the input of receiver; The input of described receiver is connected with the output of antenna; The output of described reset circuit is connected with the input of processor; The input of described antenna and the wireless connections of Zigbee node router.
Described processor uses the chip that model is CC3200; It is built-in first wireless processor chips; Have that transmitting range is far away, transmitting power regulates automatically and the advantage of overheat protector.
The speech data that described database needs to play for storing user recently, and speech data is recalled according to broadcast management centre, be sent to broadcasting end further and play, realize the effect that intelligence is play. on time
The digital signal transition of controller module is voice signal by described playing module, realize playing, and there is volume adjustable function, perform after receiving the control command of broadcast management centre and regulate broadcast sound volume, volume adjusting regulates further according to power input size.
Described controller module uses the singlechip chip of STM32 series as processor chips, has the advantage that control precision is high, control simple, low price and long service life.
The invention provides the school broadcasting's system based on ZigBee technology, by WIFI wireless sending module, speech data is passed to playback equipment through wireless, playback equipment is play through decompress(ion) and the laggard row of decoding, realize data wireless transmission, decrease the wiring of broadcast system, make the more intelligent and hommization of broadcast system; Solve the problem of existing school broadcasting system laying-out difficulty and device upgrade difficulty.
Below the preferred embodiment of the invention is illustrated, but the present invention is not limited to embodiment, those of ordinary skill in the art also can make all equivalent modification or replacement under the prerequisite without prejudice to the invention spirit, and these equivalent modification or replacement are all included in the scope of the application.
Claims (4)
1. based on school broadcasting's system of ZigBee technology, it is characterized in that: be made up of broadcast management centre, database, Zigbee nodes coordinating device, Zigbee node router and Zigbee terminal node;
Described broadcast management centre and DataBase combining; Described broadcast management centre is connected with Zigbee nodes coordinating device; Described Zigbee nodes coordinating device and the wireless connections of Zigbee node router; Described Zigbee node router and the wireless connections of Zigbee terminal node;
Described Zigbee terminal node at least comprises 2 Zigbee terminal plays nodes.
2. the school broadcasting's system based on ZigBee technology according to claim 1, is characterized in that: described Zigbee terminal plays node comprises Zigbee wireless communication module, controller module, voice playing module and power module; The input of described Zigbee wireless communication module and the wireless connections of Zigbee node router; The described output of Zigbee wireless communication module is connected with the input of controller module; The output of described controller module is connected with the input of voice playing module; Described power module is connected with Zigbee wireless communication module, controller module and voice playing module respectively powers.
3. the school broadcasting's system based on ZigBee technology according to claim 1, is characterized in that: described Zigbee wireless communication module comprises digital signal processing circuit, processor, reset circuit, receiver and antenna; The output of described digital signal processing circuit is connected with the input of controller module; The input of described digital signal processing circuit is connected with the output of processor; The input of described processor is connected with the input of receiver; The input of described receiver is connected with the output of antenna; The output of described reset circuit is connected with the input of processor; The input of described antenna and the wireless connections of Zigbee node router.
4. the school broadcasting's system based on ZigBee technology according to claim 3, is characterized in that: described processor uses the chip that chip model is CC3200.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510843093.9A CN105281858A (en) | 2015-11-26 | 2015-11-26 | School broadcasting system based on Zigbee technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510843093.9A CN105281858A (en) | 2015-11-26 | 2015-11-26 | School broadcasting system based on Zigbee technology |
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| CN105281858A true CN105281858A (en) | 2016-01-27 |
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| CN201510843093.9A Pending CN105281858A (en) | 2015-11-26 | 2015-11-26 | School broadcasting system based on Zigbee technology |
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Citations (7)
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| CN201294531Y (en) * | 2008-11-21 | 2009-08-19 | 山东省科学院自动化研究所 | Passenger transport cable railway broadcast system based on ZigBee wireless technology |
| CN102014036A (en) * | 2010-12-13 | 2011-04-13 | 南京大学 | Software wireless technology-based heterogeneous network experimental device |
| WO2011083389A1 (en) * | 2010-01-06 | 2011-07-14 | Koninklijke Philips Electronics N.V. | Election of broadcast routers in a multihop network |
| CN202111711U (en) * | 2011-04-26 | 2012-01-11 | 肖腾芳 | Digital interactive broadcast control system |
| CN202677604U (en) * | 2012-07-12 | 2013-01-16 | 重庆东电通信技术有限公司 | Wireless networking control system |
| CN103442370A (en) * | 2013-08-27 | 2013-12-11 | 西安嵌牛电子科技有限公司 | ZigBee networking system and networking method |
| CN104299384A (en) * | 2014-10-13 | 2015-01-21 | 浙江大学 | Environment monitoring system based on Zigbee heterogeneous sensor network |
-
2015
- 2015-11-26 CN CN201510843093.9A patent/CN105281858A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201294531Y (en) * | 2008-11-21 | 2009-08-19 | 山东省科学院自动化研究所 | Passenger transport cable railway broadcast system based on ZigBee wireless technology |
| WO2011083389A1 (en) * | 2010-01-06 | 2011-07-14 | Koninklijke Philips Electronics N.V. | Election of broadcast routers in a multihop network |
| CN102014036A (en) * | 2010-12-13 | 2011-04-13 | 南京大学 | Software wireless technology-based heterogeneous network experimental device |
| CN202111711U (en) * | 2011-04-26 | 2012-01-11 | 肖腾芳 | Digital interactive broadcast control system |
| CN202677604U (en) * | 2012-07-12 | 2013-01-16 | 重庆东电通信技术有限公司 | Wireless networking control system |
| CN103442370A (en) * | 2013-08-27 | 2013-12-11 | 西安嵌牛电子科技有限公司 | ZigBee networking system and networking method |
| CN104299384A (en) * | 2014-10-13 | 2015-01-21 | 浙江大学 | Environment monitoring system based on Zigbee heterogeneous sensor network |
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Application publication date: 20160127 |
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