CN101324987A - Wireless sensor network apparatus for underwater information acquisition and implementing method thereof - Google Patents
Wireless sensor network apparatus for underwater information acquisition and implementing method thereof Download PDFInfo
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- CN101324987A CN101324987A CNA2008100599722A CN200810059972A CN101324987A CN 101324987 A CN101324987 A CN 101324987A CN A2008100599722 A CNA2008100599722 A CN A2008100599722A CN 200810059972 A CN200810059972 A CN 200810059972A CN 101324987 A CN101324987 A CN 101324987A
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Abstract
The invention relates to the wireless sensor network application field, and particularly provides a wireless sensor network device and an implement method, which utilize a level transmitter, a tilting cape sensor and a temperature sensor to conduct underwater information acquisition. The device comprises a sensor unit, a control unit, a data exchange unit and a radio frequency unit. The implement method comprises an acquisition method of the output signals of the sensor, a conversion treatment method of data acquired, a control method of the sensor, a control method of lower power dissipation, a networking method of a device and a base station, a reported data method, a radio frequency awakening method and a communication method of wireless transmission. The wireless sensor network device utilizes the level transmitter, the tilting cape sensor and the temperature sensor to acquire water level, underwater topography, water temperature and other underground information; the corresponding conversion treatment is performed to the data acquired through the control unit, and to detect out the hydrographic information of the wireless sensor network device at the underground position on a real-time basis; and the data is transmitted to the base station through the communication method of wireless transmission to detect the hydrographic information. The wireless sensor network device adopts a self-organized wireless sensor network, and can be laid flexibly according to the practical situations when in use, and network quickly; and the wireless sensor network device has the advantages of simple arrangement and maintenance, safe operation, low running cost, etc.
Description
Technical field
The present invention relates to the wireless sensor network application, specifically is to utilize level transmitter, obliquity sensor, temperature sensor to carry out the wireless sensor network apparatus and the implementation method of underwater information acquisition.
Technical background
China is a country that flood is more frequent, and for avoiding and reduce the economic loss that flood brings, numerous rivers and lakes need hydrographic informations such as sensed water level promptly and accurately.Along with expanding economy, breed under water, underwater salvage, undersea detection, underwater movements such as repairing, tourism under water are more and more frequent under water, because the not intellectual of situation makes these underwater movements have certain danger under water.These make safe and reliable collection underwater information become problem demanding prompt solution.Traditional underwater information acquisition method mainly contains following several mode: the first is handed bamboo pole hand sampling mode, and this kind mode low precision, operation easier is big, labour intensity is high, and is especially dangerous high when flood season; It two is diving samplings, and this kind mode adopts comparatively frequent when off-shore operation, and except that having above-mentioned shortcoming, its acquisition cost height, sampling number is few, image data is untimely, be subjected to climate effect big.Therefore, invent a kind of safe, timely, reliably, the underwater information acquisition device becomes the primary problem that solves of the following underwater movement of development easily.
Summary of the invention
The purpose of this invention is to provide a kind of wireless sensor network apparatus and implementation method that is used for underwater information acquisition.
Low precision, the operation easier that information collecting method exists under the traditional water that the present invention will solve is big, labour intensity is high, acquisition cost is high, sampling number is few, image data is untimely, be subjected to the big problem of climate effect.
For realizing above purpose, a kind of wireless sensor network apparatus that is used for underwater information acquisition of the present invention is made up of level transmitter, obliquity sensor, temperature sensor, control module, exchanges data unit and radio frequency unit; Level transmitter, obliquity sensor, temperature sensor are connected to each other with control module respectively, and control module and exchanges data unit are connected to each other, and exchanges data unit and radio frequency unit are connected to each other.
Level transmitter be used for the pick-up unit present position hydraulic pressure information and export simulating signal;
Obliquity sensor be used for the pick-up unit present position terrain information and export digital signal;
Temperature sensor be used for the pick-up unit present position temperature information and export simulating signal;
Control module is controlled the switch of level transmitter, obliquity sensor, temperature sensor by the input and output pin mouth of control module, the low-power consumption characteristic of assurance device and the dirigibility of operation;
The AD that the control module utilization carries gathers the analog output signal of level transmitter and temperature sensor;
Control module utilizes Serial Peripheral Interface (SPI) and obliquity sensor to carry out exchanges data, and level transmitter signal, temperature sensor signal that the output signal of obliquity sensor and AD gather carry out transfer algorithm and protocol processes in control module;
Control module is also coordinated effective operation of whole device, control system power consumption, extension fixture working time;
The exchanges data unit is connected control module with radio frequency unit, so that both carry out exchanges data;
Radio frequency unit and base station are set up radio communication and are got in touch, and carry out exchanges data;
Apparatus of the present invention power supply is provided by battery.
A kind of implementation method that is used for the wireless sensor network apparatus of underwater information acquisition of the present invention comprises: the acquisition method of sensor output signal, the conversion process method of image data, the control method of sensor, the low power consumption control method, the network-building method of device and base station, reported data method, radio-frequency wakeup method and wireless transmission communication means.
The acquisition method of sensor output signal is the analog output signal that the AD that carries of control module utilization gathers level transmitter and temperature sensor, utilizes the Serial Peripheral Interface (SPI) and the obliquity sensor that carry to carry out exchanges data.
The conversion process method of image data is that control module is changed the signal that comes from level transmitter, obliquity sensor, temperature sensor collection according to the program that is solidificated in its storage unit, with water level, underwater topography, the water temperature that accurately reflects the device position.
The control method of sensor is to utilize control module to utilize the switch of input and output pin control level transmitter, obliquity sensor, temperature sensor, carries out underwater information acquisition according to specific requirement.
The low power consumption control method is meant that control module enters the power supply that low power consumpting state and batch (-type) ground cut off level transmitter, obliquity sensor, temperature sensor periodically, and the may command radio frequency unit enters the dormancy low power consumpting state simultaneously, thereby power consumption is dropped to minimum; The device overwhelming majority time is in dormant state, has only just to be in normal operating conditions in the time of need gathering.
Device is the wireless sensor network of the network topology employing self-organization of finger device and base station with the network-building method of base station.
Reported data method of the present invention is real-time report and regularly reports that timing is provided with by the base station.
The radio-frequency wakeup method refers to by the radio-frequency wakeup function of radio-frequency module device be changed between normal operating conditions and dormant state.
The wireless transmission communication means refers to adopt between pick-up unit and the base station mode of radio communication to carry out data transmission, safeguards simple and convenient.
The present invention have cost low, lay easy to maintenance, safe in utilization, promptly and accurately wait advantage.Effectively solved the existing problem of traditional manual work.This device of the present invention has broad application prospects in the active job under water.
Description of drawings
Fig. 1 is a device block diagram of the present invention.
Fig. 2 is the workflow diagram of apparatus of the present invention.
Fig. 3 is a network topology of the present invention.
Fig. 4 is the terminal program flow diagram of apparatus of the present invention.
Fig. 5 is the base station program process flow diagram of apparatus of the present invention.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of wireless sensor network apparatus that is used for underwater information acquisition of the present invention comprises level transmitter, obliquity sensor, temperature sensor, control module, exchanges data unit and radio frequency unit composition; Level transmitter, obliquity sensor, temperature sensor are connected to each other with control module respectively, and control module and exchanges data unit are connected to each other, and exchanges data unit and radio frequency unit are connected to each other.
Level transmitter be used for the pick-up unit present position hydraulic pressure information and export simulating signal;
Obliquity sensor be used for the pick-up unit present position terrain information and export digital signal;
Temperature sensor be used for the pick-up unit present position temperature information and export simulating signal;
Control module is controlled the switch of level transmitter, obliquity sensor, temperature sensor by the input and output pin mouth of control module, the low-power consumption characteristic of assurance device and the dirigibility of operation;
The AD that the control module utilization carries gathers the analog output signal of level transmitter and temperature sensor;
Control module utilizes Serial Peripheral Interface (SPI) and obliquity sensor to carry out exchanges data, and level transmitter signal, temperature sensor signal that the output signal of obliquity sensor and AD gather carry out transfer algorithm and protocol processes in control module;
Control module is also coordinated effective operation of whole device, control system power consumption, extension fixture working time;
The exchanges data unit is connected control module with radio frequency unit, so that both carry out exchanges data;
Radio frequency unit and base station are set up radio communication and are got in touch, and carry out exchanges data.
Level transmitter adopts the MPX5700 of MOTOROLA company, and obliquity sensor adopts the SCA3100 of VTI company, and temperature sensor adopts negative tempperature coefficient thermistor.The radio frequency unit frequency of operation is 433MHz, 255 of channel numbers, message transmission rate and adjustable power, peak transfer rate 500kbps, maximum transmission power 10dBm, the wireless transmission distance maximum when being laid in the water surface can arrive 500m, and radio frequency unit adopts omnidirectional's ceramic antenna of vertical polarization directions, maximum antenna gain 0.5dBi, maximum standing-wave ratio (SWR) 2.0.The AD that the control module utilization carries gathers the analog output signal of level transmitter and temperature sensor, utilizes the Serial Peripheral Interface (SPI) that carries to carry out exchanges data with obliquity sensor.
Whole device overlaps under the perfect low-power consumption mode one works, control module and radio frequency unit only are in normal mode of operation in of short duration detection time, all the other times are in the super low-power consumption pattern and can cut off the power supply of level transmitter, obliquity sensor, temperature sensor as required, and the assurance system carries out work with minimum power consumption.Switching between normal operating conditions and the dormant state realizes by the radio-frequency wakeup function.The operating voltage of device is 5V, and the working current when system is in dormancy is 0.3mA, and the electric current during operate as normal is 8mA, and maximum operating currenbt is 38mA.The power supply of device is provided by battery.
Device adopts the wireless sensor network of self-organization to form network with the base station.The control module of device is sent to the base station with data processed by radio frequency unit, and send mode is real-time and timing, and timing can be provided with by the base station is convenient.
After device powers on, at first carry out initial work shown in Figure 2, finish that device will add network after the initial work, promptly enter dormant state behind the adding network, device enters normal operating conditions when the order of radio-frequency wakeup arrives, and gathers and finishes to reenter dormant state.
The implementation method that is used for the wireless sensor network apparatus of underwater information acquisition of the present invention is: the switch by control module control level transmitter, obliquity sensor, temperature sensor, carry out underwater information acquisition according to specific requirement.Control module is by carrying out obtaining water level, underwater topography, water temperature information accurately after the corresponding conversion process to the signal of gathering.Control module is except that can regularly entering the super low-power consumption state according to demand, also the power supply of may command level transmitter, obliquity sensor, temperature sensor carries out step cut-out, and the may command radio frequency unit enters the dormancy low power consumpting state, when the device power supply is provided by battery, at utmost improve the flying power of power supply, prolonged serviceable life.The device overwhelming majority time is in dormant state, have only and just be in normal operating conditions in the time of to gather, when adopting the described a series of Low-power Technology of claim 9, working current when system is in dormancy is 0.3mA, electric current during operate as normal is 8mA, and maximum operating currenbt is 38mA.Realize by the radio-frequency wakeup function between the normal operating conditions of device and the dormant state.The network topology of device and base station adopts the wireless sensor network of self-organization.The radio frequency unit data-transmission mode is real-time and timing mode, and timing can be provided with by the base station is convenient.
The present invention adopt wireless sensor network technology have cost low, lay easy to maintenance, use safety, promptly and accurately wait excellent The point. The present invention has broad application prospects in the information gathering field under water.
Claims (9)
1, a kind of wireless sensor network apparatus that is used for underwater information acquisition is characterized in that it is made up of level transmitter, obliquity sensor, temperature sensor, control module, exchanges data unit and radio frequency unit; Level transmitter, obliquity sensor, temperature sensor are connected to each other with control module respectively, and control module and exchanges data unit are connected to each other, and exchanges data unit and radio frequency unit are connected to each other.
Level transmitter be used for the pick-up unit present position hydraulic pressure information and export simulating signal;
Obliquity sensor be used for the pick-up unit present position terrain information and export digital signal;
Temperature sensor be used for the pick-up unit present position temperature information and export simulating signal;
Control module is controlled the switch of level transmitter, obliquity sensor, temperature sensor by the input and output pin mouth of control module, the low-power consumption characteristic of assurance device and the dirigibility of operation;
The AD that the control module utilization carries gathers the analog output signal of level transmitter and temperature sensor;
Control module utilizes Serial Peripheral Interface (SPI) and obliquity sensor to carry out exchanges data, and level transmitter signal, temperature sensor signal that the output signal of obliquity sensor and AD gather carry out transfer algorithm and protocol processes in control module;
Control module is also coordinated effective operation of whole device, control system power consumption, extension fixture working time;
The exchanges data unit is connected control module with radio frequency unit, so that both carry out exchanges data;
Radio frequency unit and base station are set up radio communication and are got in touch, and carry out exchanges data.
2, a kind of wireless sensor network apparatus that is used for underwater information acquisition according to claim 1, it is characterized in that level transmitter adopts the MPX5700 of MOTOROLA company, obliquity sensor adopts the SCA3100 of VTI company, and temperature sensor adopts negative tempperature coefficient thermistor.
3, a kind of wireless sensor network apparatus that is used for underwater information acquisition according to claim 1, it is characterized in that the radio frequency unit frequency of operation is 433MHz, 255 of channel numbers, message transmission rate and adjustable power, peak transfer rate 500kbps, maximum transmission power 10dBm, wireless transmission distance maximum when being laid in the water surface can arrive 500m, radio frequency unit adopts omnidirectional's ceramic antenna of vertical polarization directions, maximum antenna gain 0.5dBi, maximum standing-wave ratio (SWR) 2.0.
4, a kind of implementation method that is used for the wireless sensor network apparatus of underwater information acquisition according to claim 1, it is characterized in that AD that the control module utilization carries gathers the analog output signal of level transmitter and temperature sensor, utilizes the Serial Peripheral Interface (SPI) that carries to carry out exchanges data with obliquity sensor.
5, a kind of implementation method that is used for the wireless sensor network apparatus of underwater information acquisition according to claim 1, it is characterized in that carrying out underwater information acquisition according to specific requirement by the switch of control module control level transmitter, obliquity sensor, temperature sensor; Control module is by carrying out obtaining water level, underwater topography, water temperature information accurately after the corresponding conversion process to the signal of gathering.
6, a kind of implementation method that is used for the wireless sensor network apparatus of underwater information acquisition according to claim 1, it is characterized in that control module except that can regularly entering the super low-power consumption state according to demand, also the power supply of may command level transmitter, obliquity sensor, temperature sensor carries out step cut-out, and the may command radio frequency unit enters the dormancy low power consumpting state, when the device power supply is provided by battery, at utmost improve the flying power of power supply, prolonged serviceable life.
7, a kind of implementation method that is used for the wireless sensor network apparatus of underwater information acquisition according to claim 1 is characterized in that the device overwhelming majority is in dormant state the times, has only just to be in normal operating conditions in the time of need gathering; Realize by the radio-frequency wakeup function between normal operating conditions and the dormant state.
8, a kind of implementation method that is used for the wireless sensor network apparatus of underwater information acquisition according to claim 1, the network topology that it is characterized in that device and base station adopts the wireless sensor network of self-organization.
9, a kind of implementation method that is used for the wireless sensor network apparatus of underwater information acquisition according to claim 1 is characterized in that the radio frequency unit data-transmission mode is real-time and timing mode, and timing can be provided with by the base station is convenient.
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| CNA2008100599722A CN101324987A (en) | 2008-03-05 | 2008-03-05 | Wireless sensor network apparatus for underwater information acquisition and implementing method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102014472A (en) * | 2010-12-13 | 2011-04-13 | 南京大学 | Network life time prolonging method for underwater wireless sensor network |
| CN103217199A (en) * | 2013-04-30 | 2013-07-24 | 上海市地质调查研究院 | Electricity-saving method for field underground water level monitoring system |
| CN104780177A (en) * | 2015-04-29 | 2015-07-15 | 西安电子科技大学 | Information security guarantee method of internet of things sensing device cloud simulation system |
| CN109581903A (en) * | 2017-09-28 | 2019-04-05 | 中国科学院沈阳自动化研究所 | A kind of underwater gliding machine controller low power consumption device and its control method |
-
2008
- 2008-03-05 CN CNA2008100599722A patent/CN101324987A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102014472A (en) * | 2010-12-13 | 2011-04-13 | 南京大学 | Network life time prolonging method for underwater wireless sensor network |
| CN103217199A (en) * | 2013-04-30 | 2013-07-24 | 上海市地质调查研究院 | Electricity-saving method for field underground water level monitoring system |
| CN103217199B (en) * | 2013-04-30 | 2016-05-11 | 上海市地质调查研究院 | A kind of power-saving method of the level of ground water monitoring system for field |
| CN104780177A (en) * | 2015-04-29 | 2015-07-15 | 西安电子科技大学 | Information security guarantee method of internet of things sensing device cloud simulation system |
| CN104780177B (en) * | 2015-04-29 | 2018-03-23 | 西安电子科技大学 | The information security guarantee method of Internet of Things awareness apparatus high in the clouds analogue system |
| CN109581903A (en) * | 2017-09-28 | 2019-04-05 | 中国科学院沈阳自动化研究所 | A kind of underwater gliding machine controller low power consumption device and its control method |
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Owner name: CHINESE ACADEMY OF SCIENCES JIAXING WIRELESS SENSO Free format text: FORMER OWNER: CAS JIAXING CENTER MICROSYSTEMS INTITUTE BRANCH CENTER Effective date: 20100129 |
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Effective date of registration: 20100129 Address after: 2, building 1, No. 778 Asia Pacific Road, Nanhu District, Zhejiang, Jiaxing Province, China: 314000 Applicant after: Jiaxing wireless sensor network center of Chinese Academy of Sciences Address before: A, building four, block JRC, Asia Pacific Road, Nanhu District, Zhejiang City, Jiaxing Province, China: 314000 Applicant before: Microsystem Inst. Branch Center, Jiaxing Center, CAS |
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Open date: 20081217 |