CN101420772A - A kind of intelligent energy supply type photoelectric integrated wireless sensor - Google Patents
A kind of intelligent energy supply type photoelectric integrated wireless sensor Download PDFInfo
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- CN101420772A CN101420772A CNA2008102192551A CN200810219255A CN101420772A CN 101420772 A CN101420772 A CN 101420772A CN A2008102192551 A CNA2008102192551 A CN A2008102192551A CN 200810219255 A CN200810219255 A CN 200810219255A CN 101420772 A CN101420772 A CN 101420772A
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Abstract
The invention provides a kind of intelligent energy supply type photoelectric integrated wireless sensor and in radio sensing network data acquisition APPLICATION IN TRANSMISSION, it is characterized in that by the micro generation energy supply equipment of foundation MEMS research and development and have the equipment of 2.4G radio communication function and outstanding photoelectric sensing equipment is formed, have support wireless data transmission, based on the quick location of radio sensing network route and intelligent MANET technology, support self-power supply, support multiple monitoring pattern and have function such as many interfaces of support expansion.The present invention for high integration, low cost, high reliability, the wireless sensing monitoring equipment of analysis can be provided in 24 hours at any time.
Description
Technical field
The invention belongs to electronic information technical field, particularly a kind of intelligent energy supply type photoelectric integrated wireless sensor, and this equipment is in the application of radio sensing network data interaction and analysis and safety pre-warning system.
Technical background
Electronic equipment moves towards, and development trend intelligent, wireless penetration has been undisputable fact.The wireless senser that possesses self-energy-provision way has more been represented the direction of following safety monitoring, has the wide application prospect of sending out in many-side such as military, civilian, being the great science and technology that is related to energy supply, public safety, economic development and social stability, is the science and technology item of state key development.Along with the continuous input that various sensing networks are built, data volume is huge day by day, and wireless senser power supply, data acquisition and wireless transmission capability are in urgent need to be improved, and especially transfer of data and power supply have become the key factor of restriction radio sensing network development.Real work requires more and more in time to catch the Monitoring Data analysis and dangerous matter sources is carried out timely early warning.Therefore, pressing for a kind of equipment can be convenient to wirelessly transmitting data and real-time monitoring was provided in 24 hours at any time.
On the other hand, progress along with science and technology, radio hardware platform scheme and manufacturing process are gradually improved, cost also constantly descends simultaneously, therefore utilize existing hardware device, in conjunction with micro generation equipment, wireless network and computer programming language and advanced photoelectric sensing manufacturing technology, exploitation one cover can be realized the intelligent energy supply type photoelectric integrated wireless sensor of wireless security monitoring, 24 hours uninterrupted safety monitoring is provided for people, be that people expect to have broad application prospects the important topic that solves.
Summary of the invention
The objective of the invention is the problem that the complexity power supply that faces at existing sensor monitoring and wireless sensing transmit, a kind of high integration, high stability are provided and possess radio communication and self-energy supply electricity generate function in the intelligent energy supply type photoelectric integrated wireless sensor of one.
In order to realize goal of the invention, the technical scheme of employing is as follows:
A kind of intelligent energy supply type photoelectric integrated wireless sensor is made up of intelligent energy oneself collection electricity generation module and wireless transport module, photoelectric sensing module, and described equipment adopts and carries out the work of real time data interactive mode based on wireless network.
In the technique scheme, described wireless senser adopts photoelectric sense technology and embedded system platform to design and develop, the round-the-clock wireless module that adopts the 2.4G wireless technology to develop.
The binding analysis receiving system is carried out automation, the intelligent data acquisition analysis is all worked, and relies on wireless network to carry out alternately by transducer.Because the fail safe of 2.4G network signal, antijamming capability is strong, therefore can guarantee data age and accuracy, realizes receiving whenever and wherever possible, obtains on-the-spot information in real time.
Described embedded employing C language development therefore can the multiple MCU of fine support unit.
In the technique scheme, the described course of work is as follows:
Intelligent energy supply type photoelectric integrated wireless sensor is a transceiver that is operated under the duplex state.Comprise wireless receiver (Receiver), transmitter (Transmitter), central control module (CPU) and sensing module (Sensor) and power supply (Power Supply).
Be divided into from the structure of printed circuit board (PCB): sensor-based system, wireless system, mainboard control system, power-supply system, totally four parts.In transducer, these four parts cooperatively interact, and under the logic control system unified command, finish every function of data communication.
Each Circuits System principle of described transducer is as follows:
Wireless portion:
The wireless module that wireless module adopts the 2.4G network to form can be regarded as generally by wireless receiving and wireless transmission two parts and form.
Introduce 2.4G module operation principle earlier: radio-frequency (RF) receiving circuit is finished functions such as the filtering that receives the radio sensing network signal, signal amplification, demodulation; The radio-frequency transmissions circuit is mainly finished functions such as the modulation, frequency conversion, power amplification of wireless signal.
Wherein comprise the demodulation output from the antenna to the receiver, be modulated to the circuit that power amplifier is exported with the I/Q that launches; The logic audio frequency comprise from receiving demodulation to, receive data output, the emission data are picked up (data output circuit) CPU, digital processing and various memory circuitries etc. to emission I/Q modulator and logical circuit part.The following signal of detailed process:
Transmitting terminal:
Digital signal--〉DAC (digital-to-analogue conversion)--〉frequency mixer (mixing)--〉emission power amplifier with oscillator--〉transmitter and receiver:
Digital signal＜--ADC (analog-to-digital conversion)＜--filter＜--reception power amplifier＜--receives
The Zigbee wireless module belongs to the 2.4G wireless network, has realized the transmission speed of 54M/ second.Have the higher data fail safe, electromagnetic interference etc. also has shielding properties preferably to external world, therefore is subjected to using widely, and this invention radio function mainly adopts the Zigbee module to realize.
The mainboard control section:
It mainly partly is made up of kernel control module CPU, EEPROM, FLASH EPROM, SRAM and hard disk etc., logic system is mainly finished the every set-up function in the transducer, the correct processing capacity of control receiving and transmitting signal etc., and in logic system, the data of FLASH EPROM storage inside must be entirely true, its powerful logic control function efficiently of competence exertion.
Mainly form by following several parts
1. CPU (central processing unit): this is the core of microcontroller, RISC (the Reduced Instruction Set CPU) reduced instruction set computer that the present invention uses the built-in Flash of enhancement mode that atmel corp develops is 8 single-chip microcomputers at a high speed, therefore do not need additional processor.
2. memory: the embedded high-quality Flash program storage of single-chip microcomputer, erasable convenience is supported ISP and IAP, is convenient to debugging, exploitation, production, the renewal of product.But embedded long-life EEProm long preservation critical data avoids outage to lose.Jumbo RAM can not only satisfy the use of general occasion in the sheet, and high-level language development system program is used in simultaneously also more effective support, and can expand external RAM.
3. defeated people/output (I/O) interface: the pull-up resistor that the whole bands of I/O line can be provided with, can be set at I/O separately, can set the input of (initially) high resistant, driving force characteristics such as (can save the power drive device) by force, make must I/O mouth resource flexible, powerful, can make full use of.
4. timer/counter: in many application of microcontroller, often need to carry out regularly accurate and produce square-wave signal, this will be finished by the timer/counter circuit.
Link together by address bus (AB), data/address bus (DB) and control bus (CB) between above-mentioned five basic element of character circuit of central processing unit, got in touch by the external circuit of output/defeated people's interface and central processing unit again.
The present invention has the following advantages:
1, intelligent energy supply type photoelectric integrated wireless sensor utilization advanced person's the 2.4G wireless network with high speed, high bandwidth, high security is formed wireless working group, ripe technical grade chip hardware, real time data is received and the sensor-based system built-in sensors, increase the oneself simultaneously and gather the energy and electricity generate function, thereby realized non-stop run in 24 hours, made danger early warning work can not incur loss through delay because of the condition of work restriction.
2, transducer and teledata receiving and analyzing systems soft ware are formed the Client/Server system, can enter wireless network automatically after the start sensor, seek the remote analysis system address of service, the guarantor also connects, system adopts Message-Digest Algorithm 5 (Message-Digest Algorithm 5s), can guarantee safety of data transmission.
3, adopt the distinctive route technology of radio sensing network, realize location and navigation fast, be convenient to determine rapidly the geographical position of user and dangerous matter sources, have intelligent MANET function simultaneously.
4, support data multi-format and coded data real-time tranception, can effectively obtain information directly perceived.
5, adopt 12V direct current supply commonly used, carry the micro generation system, can use large-capacity battery, guarantee the long-term operate as normal of transducer according to increasing needs.
Description of drawings
Fig. 1 is a composition structural representation block diagram of the present invention;
Fig. 2 is the specific embodiment of the present invention schematic block diagram.
Fig. 3 is an applicating flow chart of the present invention.
Embodiment
As shown in Figure 1, the integrated photoelectric sensor of intelligent energy supply type of the present invention mainly comprises wireless receiving module (Receiver Unit), transmitter module (Transmitter Unit), control module (Controller Uint) and sensing module (Sensor) and power supply (Power Supply).During working sensor, wireless receiving and emission are in certain scope, can automatically switch and seek wireless network signal, finish the transmission of data with certain baud rate and modulation system.
Wireless receiving module of the present invention and transmitter module and control module all are integrated on the mainboard.
The present invention adopts the AVR single-chip microcomputer, be 8 single-chip microcomputers of RISC (Reduced InstructionSet CPU) reduced instruction set computer high speed of the built-in Flash of enhancement mode, be widely used in every field such as computer peripheral, industrial time controlling, instrument and meter, communication apparatus, household electrical appliance.
The specific embodiment of the present invention as shown in Figure 2, complete as can be seen wireless sensing monitoring system totally has in the three part groups, mainly is Platform, and is made up by sensor and wireless and power for the monitoring side; System also has wireless receiving analyzer and client as another part.In addition, wireless senser can also provide the user to adopt handheld device directly to connect this equipment to carry out the mode that field data reads.As shown in Figure 4, for utilizing wireless to carry out the flow process of work.At first the start sensor power supply waits transducer to start working, and enters web search automatically, going forward side by side connects into network, enters wireless system automatically, carries out subscriber authentication automatically after the success of connection communication gate, the radio sensing network data transmission procedure adopts the md5 cryptographic algorithm, guarantees data security.After the process checking enters system, begin to carry out real time data and receive and dispatch, owing to transducer support storage itself,, be convenient to later reference and carry simultaneously so the data of accepting can be selected to be kept on the built-in storage chip.
Running of the present invention at first starts intelligent energy supply type photoelectric integrated wireless sensor as shown in Figure 3, inserts radio sensing network automatically, and beginning is carried out transfer of data to no line analysis receiving equipment; Then on no line analysis accepting device, the application of option that starts the operating system; Select to start analytical system, whether the automatic inquiry of system links wireless network; Selection is that then system's automated wireless network links; Enter subscriber authentication afterwards; Checking is a system user, then starts the analytical system main program, and real-time radio is accepted the radio sensing network data; Automatically carry out data analysis; According to analysis result, carry out early warning work.
When can help the user to realize quick dangerous matter sources location by the wireless sensor network positioning system, intelligent energy supply type photoelectric integrated wireless sensor has self-route repair function.When a plurality of this kind transducers are worked simultaneously, can select a transducer automatically is routing node, other sensing datas are beamed back system from this transducer unification, and after this sensor wireless module damage, it is routing node that other transducers are then selected a new transducer once more automatically.
Claims (10)
1, a kind of intelligent energy supply type photoelectric integrated wireless sensor is characterized in that being made up of function devices such as having self-intelligent energy supply and wireless communication and sensing data collection, is that a kind of wireless network that sees through at any time carries out the equipment that sensing data is gathered.
2, intelligent energy supply type photoelectric integrated wireless sensor according to claim 1 is characterized in that zigbee wireless technology and photoelectric sensor principle and the micro generation equipment research and development of described hardware device based on 2.4G.
3, intelligent energy supply type photoelectric integrated wireless sensor according to claim 1 and 2, it is characterized in that described equipment has zigbee radio communication and the running environment such as wireless data transmission, the multiple photoelectric sensor of support of self-intelligent power supply and function device, support 2.4G, also can utilize functions such as gigabit networking access in addition according to field condition.
4, intelligent energy supply type photoelectric integrated wireless sensor according to claim 3 is characterized in that described intelligent energy supply type photoelectric integrated wireless sensor mainly comprises collection energy supply equipment (Power), sensing device (Sensor), wireless module (Wireless) and line interface (Interface) and reserve battery (PowerSupply) composition.
5, intelligent energy supply type photoelectric integrated wireless sensor according to claim 4 is characterized in that described employing D/A converting circuit, realizes that sensing data changes to the voltage resistance variable by machinery and finally realizes numeral output.
6, a kind of intelligent energy supply type photoelectric integrated wireless sensor is in the application of long-distance intelligent wireless monitor and digital-to-analogue conversion and radio sensing network transmitting-receiving, it is characterized in that described intelligent energy supply type photoelectric integrated wireless sensor adopts the 2.4G wireless network and and has wireless route and an intelligent automatic network-building function.
7, a kind of intelligent energy supply type photoelectric integrated wireless sensor according to claim 6 is characterized in that in the application of radio sensing network the described course of work is as follows:
Intelligent energy supply type photoelectric integrated wireless sensor utilizes in the surrounding environment generating of faint energy to transducer and wireless module power supply by miniature energy resource collecting module, utilize photoelectric sensor to carry out data acquisition, utilize wireless module to carry out networking and communicate by letter, carry out wireless data transmission with long distance wireless sensing network transducer simultaneously.
8, intelligent energy supply type photoelectric integrated wireless sensor according to claim 7 is in the application of wireless office platform, it is characterized in that described operating process comprises that also remote server replys corresponding mechanism, and Monitoring Data is provided in real time, receive steps such as early warning report.
9, according to claim 7 or 8 described intelligent energy supply type photoelectric integrated wireless sensors in the application of wireless office platform, it is characterized in that the described operation course of work is as follows:
Realize uninterrupted power supply and carry out radio communication and data transmission module is finished the work automatically by the intelligent energy supply module, and can after judging surrounding environment, the suitable energy supply pattern of intelligent selection power transducer and wireless module
10, intelligent energy supply type photoelectric integrated wireless sensor according to claim 9 is characterized in that in the described work by mutual with data pick-up, for whole system provides the data basis in the application of wireless office platform.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008102192551A CN101420772A (en) | 2008-11-20 | 2008-11-20 | A kind of intelligent energy supply type photoelectric integrated wireless sensor |
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| CNA2008102192551A CN101420772A (en) | 2008-11-20 | 2008-11-20 | A kind of intelligent energy supply type photoelectric integrated wireless sensor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101840248A (en) * | 2010-03-26 | 2010-09-22 | 清华大学 | Palm computer with wireless communication and data acquisition functions |
| CN102096115A (en) * | 2010-12-08 | 2011-06-15 | 顺德职业技术学院 | Electronic sensor |
| US9881253B2 (en) | 2014-11-07 | 2018-01-30 | International Business Machines Corporation | Synaptic neural network core based sensor system |
-
2008
- 2008-11-20 CN CNA2008102192551A patent/CN101420772A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101840248A (en) * | 2010-03-26 | 2010-09-22 | 清华大学 | Palm computer with wireless communication and data acquisition functions |
| CN102096115A (en) * | 2010-12-08 | 2011-06-15 | 顺德职业技术学院 | Electronic sensor |
| US9881253B2 (en) | 2014-11-07 | 2018-01-30 | International Business Machines Corporation | Synaptic neural network core based sensor system |
| US11010660B2 (en) | 2014-11-07 | 2021-05-18 | International Business Machines Corporation | Synaptic neural network core based sensor system |
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Open date: 20090429 |