CN2884364Y - Multiple-mode, radio deta acquisition system - Google Patents
Multiple-mode, radio deta acquisition system Download PDFInfo
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- CN2884364Y CN2884364Y CNU2005200638521U CN200520063852U CN2884364Y CN 2884364 Y CN2884364 Y CN 2884364Y CN U2005200638521 U CNU2005200638521 U CN U2005200638521U CN 200520063852 U CN200520063852 U CN 200520063852U CN 2884364 Y CN2884364 Y CN 2884364Y
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Abstract
The utility model discloses a wireless data collecting system with multiple modes. The data collection of sense network mostly adopted wired and single wireless transmitting mode in the past, which is sole function, bad stability performance, inaccurate data collection; the utility model adopts Bluetooth communication, IEEE 802.11b and nRF2401 (user can choose one of modes and multiple modes) wireless communication technology, system can collect and transfer the wireless data flexible, accurate, effective and at low cost, at the same time the above-mentioned three kinds of wireless communication technology working under the 2.4GHz ISM frequency band have self-adaptation performance to jump frequently, have improved the anti-interference ability of the data for collecting system finally; in addition, as adopted merging algorithm DFA-NNECA that based on the neural network in intellectual integration technology and the data of analysis of cluster integration, can carry on intelligently merge the data stemming from different sensors conveniently, accurately, and obtain higher and precise data; the utility model is extensively suitable for various kinds of data collecting systems.
Description
Technical field
The utility model relates to a kind of data acquisition, transmission and Intelligent Fusion technology, particularly a kind of multi-mode radio data collecting system.
Background technology
Wire transmission or single wireless transmission mode are adopted in traditional sensing network data acquisition mostly, function singleness and universal performance are poor, need concentrate the equipment of a plurality of simple functions to form a bulky operating system when realizing multifunctional data acquiring, be unfavorable for installation, debugging and the maintenance of system, the reliability of system is difficult to be guaranteed; And working frequency range wired or the single wireless transmission mode is subject to the interference of other radiowaves, and stability is poor, thereby causes the inaccurate of data acquisition, transmission etc.; The data acquisition of simple function and transmission are owing to can not carry out Intelligent Fusion to data in addition, and the final precision of data acquisition can not get guaranteeing.
Summary of the invention
At the problems referred to above, the utility model provides a kind of data acquisition and transmission flexible, accurate, reliable multi-mode radio data collecting system.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of multi-mode radio data collecting and intelligent mixing system, comprise main frame, slave two large divisions, it is characterized in that host machine part comprises: microprocessor unit, external data memory, wireless communication module and corresponding interface circuit; Slave partly comprises: microprocessor unit, wireless communication module and corresponding interface circuit, serial communication interface circuit, sensor and corresponding signal processing circuit thereof, logic control and interface, external memory storage, serial communication interface and expansion interface.The sensor groups that sensor and corresponding signal processing circuit thereof are formed with sensor acquisition to physical quantity convert digital signal to, by one or more wireless communications modes among Bluetooth communication, IEEE802.11b and the nRF2401 data are sent to microprocessor unit again; Microprocessor unit carries out received data to deposit external data memory in after Intelligent Fusion is handled.
The beneficial effects of the utility model are: because native system adopts Bluetooth communication, IEEE802.11b and nRF2401 one or more wireless communications modes wherein in the short-distance wireless communication technology, total system is easy to form radio sensing network more, can carry out data acquisition and transmission flexible, accurate and effective and at low cost, the above-mentioned three kinds of wireless communication technologys that are operated in the 2.4GHz ISM band simultaneously have the adaptive frequency hopping performance, have finally improved the antijamming capability of data acquisition system (DAS); In addition,, can carry out Intelligent Fusion to the data that derive from different sensors easily and accurately, obtain higher data acquisition precision owing in the Intelligent Fusion technology, adopted integrated and data anastomosing algorithm DFA-NNECA cluster analysis based on neural network.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified:
Fig. 1 is the principle of work block diagram of the utility model patent
Fig. 2 is the interface synoptic diagram of nRF2401 transmission circuit of the present utility model and MCU
Fig. 3 is nRF2401 control circuit figure of the present utility model
Fig. 4 is bluetooth of the present utility model and IEEE802.11b driving interface circuit diagram
Embodiment
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, a kind of multi-mode radio data collecting system comprises main frame, slave two large divisions, and host machine part comprises: microprocessor unit, external data memory, wireless communication module and corresponding interface circuit; Slave partly comprises: microprocessor unit, wireless communication module and corresponding interface circuit, serial communication interface circuit, sensor and corresponding signal processing circuit thereof, logic control and interface, external memory storage, serial communication interface and expansion interface.The sensor groups that sensor and corresponding signal processing circuit thereof are formed with sensor acquisition to physical quantity convert digital signal to, by one or more wireless communication modules among Bluetooth communication, IEEE802.11b and the nRF2401 data are sent to microprocessor unit respectively again; Microprocessor unit carries out received data to deposit external data memory in after Intelligent Fusion is handled.Because Bluetooth communication, IEEE802.11b and nRF2401 in the native system employing short-distance wireless communication technology be one or more wireless communications modes wherein, total system is easy to form radio sensing network more, can carry out data acquisition and transmission flexible, accurate and effective and at low cost, the above-mentioned three kinds of wireless communication technologys that are operated in the 2.4GHzISM frequency range simultaneously have the adaptive frequency hopping performance, have finally improved the antijamming capability of data acquisition system (DAS); In addition, owing in the Intelligent Fusion technology, adopted integrated and data anastomosing algorithm DFA-NNECA (Data Fusion Algorithm based on NeuralNetworks Ensemble and Clustering Analysis) cluster analysis based on neural network, can carry out Intelligent Fusion to the data that derive from different sensors easily and accurately, obtain higher data acquisition precision.
With reference to Fig. 3, be the interface circuit figure between nRF2401 and the MCU in the utility model patent.Entire circuit is divided into following components:
1) microprocessing unit part: form the main body circuit of data acquisition by peripheral circuits such as chip microprocessor AT89C51 and sensor groups thereof, be responsible for acquired signal, transmission data or the like.
2) nRF2401 interface section: by plug connector J
2With the J among Fig. 2
2Connect.
3) serial communication interface circuit: serial communication interface circuit is made up of MAX232 and peripheral circuit thereof.It can adopt the COM2/COM1 of direct-connected mode and PC to communicate (wire communication), realizes bidirectional data exchange.The baud rate of serial port is set to 2400bps, the band even parity check, and data bit is 8.
4) sensor circuit part: sensor circuit is used to connect some kinds of external sensors, surveys corresponding physical quantity.
5) power unit: for complete machine provides D.C. regulated power supply.
With reference to Fig. 4, be the utility model nRF2401 micro-control circuit figure, entire circuit is divided into following components:
1) microcontroller part: the main body circuit of forming control circuit by chip microprocessor AT89C52 and peripheral circuit thereof.Be responsible for the control of logic control circuit, serial communication interface circuit and expansion of parallel interface or the like.
2) logic control and interface section: be used to link IEEE802.11b equipment, external connection keyboard, LCD display or the like, accept chip microprocessor AT89C52 control simultaneously.
3) serial storage part: adopt I
2The C serial storage is used to store related data.
4) serial communication interface part: serial communication interface circuit can adopt the COM2/COM1 of direct-connected mode and PC to communicate (wire communication), realizes bidirectional data exchange, also can connect bluetooth communication, realizes radio communication with PC.
5) expansion interface part: can expand parallel interface when needing, or the I/O mouth of chip microprocessor AT89C52.
6) keyboard circuit part: the external connection keyboard of expansion.
7) power unit: for complete machine provides D.C. regulated power supply.
In addition, the utility model proposes integrated and data anastomosing algorithm DFA-NNECA (Data Fusion Algorithm based on Neural NetworksEnsemble and Clustering Analysis) cluster analysis based on neural network, and be applied in the data fusion of multisensor, this algorithm has organically merged neural network integrated technology and clustering method, can carry out Intelligent Fusion to the data that derive from different sensors easily and accurately, obtain higher data acquisition precision.
With reference to Fig. 1, the utility model multi-mode radio data collecting system can also carry out network with data transmission network and be connected, and realizes the data network transmission.
Claims (4)
1, a kind of multi-mode radio data collecting system comprises main frame, slave two large divisions, it is characterized in that host machine part comprises: microprocessor unit, external data memory, wireless communication module and corresponding interface circuit; Slave partly comprises: microprocessor unit, wireless communication module and corresponding interface circuit, serial communication interface circuit, sensor and corresponding signal processing circuit thereof, logic control and interface, external memory storage, serial communication interface and expansion interface; Sensor and wireless communication module wireless connections, wireless communication module links to each other with microprocessor unit; Be connected by the I/O port between microprocessor unit and the external data memory.
2, multi-mode radio data collecting according to claim 1 system is characterized in that the wireless communication module of native system has adopted wherein one or more short-distance wireless communication technologies of Bluetooth communication, IEEE802.11b and nRF2401.
3, multi-mode radio data collecting according to claim 1 system is characterized in that native system Intelligent Fusion technology has adopted integrated based on neural network and data anastomosing algorithm DFA-NNECA cluster analysis.
4, multi-mode radio data collecting according to claim 1 system is characterized in that native system also links to each other with data transmission network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200638521U CN2884364Y (en) | 2005-08-31 | 2005-08-31 | Multiple-mode, radio deta acquisition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200638521U CN2884364Y (en) | 2005-08-31 | 2005-08-31 | Multiple-mode, radio deta acquisition system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2884364Y true CN2884364Y (en) | 2007-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200638521U Expired - Fee Related CN2884364Y (en) | 2005-08-31 | 2005-08-31 | Multiple-mode, radio deta acquisition system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2884364Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101360011B (en) * | 2008-09-26 | 2011-04-20 | 广州市聚晖电子科技有限公司 | Management system supporting different data collection service |
| CN108091119A (en) * | 2017-12-16 | 2018-05-29 | 长沙志鸿文化传媒有限公司 | A kind of wireless data acquisition system based on Internet of Things |
-
2005
- 2005-08-31 CN CNU2005200638521U patent/CN2884364Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101360011B (en) * | 2008-09-26 | 2011-04-20 | 广州市聚晖电子科技有限公司 | Management system supporting different data collection service |
| CN108091119A (en) * | 2017-12-16 | 2018-05-29 | 长沙志鸿文化传媒有限公司 | A kind of wireless data acquisition system based on Internet of Things |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |