CN105158435A - Wireless sensor network-based monitoring and positioning system for radionuclide-contaminated water and soil - Google Patents
Wireless sensor network-based monitoring and positioning system for radionuclide-contaminated water and soil Download PDFInfo
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- CN105158435A CN105158435A CN201510433843.5A CN201510433843A CN105158435A CN 105158435 A CN105158435 A CN 105158435A CN 201510433843 A CN201510433843 A CN 201510433843A CN 105158435 A CN105158435 A CN 105158435A
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Abstract
The invention discloses a wireless sensor network-based monitoring and positioning system for radionuclide-contaminated water and soil. The system comprises positioning and monitoring nodes, a base station node and a comprehensive processing server, wherein the base station node is used for communication with the positioning and monitoring nodes, the comprehensive processing server is connected with the base station node through a wired network, the positioning and monitoring nodes are communicated with the base station node through the ZIGBEE standard, the positioning and monitoring nodes are composed of beacon nodes and non-beacon nodes, and each beacon node comprises a GPS positioning module, a first microprocessor module, a first memory module, a first ZIGBEE module, a first sensor module, a first analog-to-digital conversion module and a first power supply module. The wireless sensor network-based monitoring and positioning system has greatly improved practicality; since the system is based on GPS-ZIGBEE dual-mode positioning technology, platform expansibility is good, a plurality of nodes can be loaded at the same time, and a variety of sensors can be loaded; and the system has the characteristics of low energy consumption, long stand-by time, a small size, light weight, portability and adaptivity to a variety of severe environments.
Description
Technical field
The invention belongs to radioactive uranium Administering of Tailings Reservoir Pollution monitoring field, be specifically related to a kind of radioactive nuclide water and soil pollution monitoring and positioning system based on wireless sensor network.
Background technology
Radioactive source can radiate the very strong ray of penetration power, has wide range of applications: medically it can irradiate human tumor, kills cancer cell; Agriculturally it can irradiate agricultural product, and sterilizing is anticorrosion; On metal industry, it can be used to the flaw finding weld metal, carries out industrial flaw detection; Less, reliable by the degree of the such environmental effects such as temperature, humidity with measuring instruments such as radioactive source finish mix position meter, uclear scales; But radioactive source is also a handle double-edged sword, if operated or improper storage in application process, just likely has an accident, cause radioactive contamination, serious harm will be caused to environment, and the health and safety of people will be affected.
Uranium is widely used in many fields such as nuclear power station, military project as important nuclear fuel material, in recent years the fast development of nuclear power and military project, also accelerates the exploitation of uranium ore resource, creates a large amount of Uranium tailings, there is radioactive nuclide water and soil pollution problem at its periphery.Therefore, the real-time managements such as the monitoring of radioactive nuclide water and soil pollution degree and the location of pollution range are just seemed extremely important, the domestic online wireless real-time monitoring location to uranium tailings pond radioactive nuclide water and soil pollution does not also have ripe method and corresponding equipment at present, and the method for traditional wired monitoring radioactive nuclide water and soil pollution is loaded down with trivial details, poor efficiency, cost are high.
GPS is the abbreviation of GloblePositioningSystem, looks like for GPS, and it goes through more than 20 year by U.S. government, cost 12,000,000,000 U.S. dollar and one that implements huge universe and aerospace engineering.This system in the world round-the-clockly for terrain object provides information, thus can determine the parameters such as this target exact position on the ground, speed, operation aspect.
Now, people more and more recognize the wide of the great of GPS effect and application thereof, except Military Application, it has been widely used in space flight, aviation, navigation, has measured, has strangled the numerous areas such as spy, along with the continuous decline of GPS dash receiver price and improving constantly of its performance, the GPS scope of application is more and more wider.
At present, the structure of existing GPS locating device comprises: computing machine and control module, computing machine and control module control GPS chip, GPS chip is connected with satellite earth antenna, and computing machine and control module are also provided with external control and various interface, light-emitting diode display and power supply in addition.Its principle of work is: first satellite earth antenna receives satellite-signal, then signal transmission is obtained concrete coordinate information to GPS chip, and coordinate information is changed by computing machine and control module again, is presented on light-emitting diode display.Its shortcoming is: traditional GPS can only work in the good occasion of satellite-signal, once signal attenuation, or dropout, GPS also just fails.
Summary of the invention
An object of the present invention is for solving problems of the prior art, provides the radioactive nuclide water and soil pollution monitoring and positioning system based on wireless sensor network of a kind of energy Real-Time Monitoring, located irradiation contact scar.
The invention provides a kind of radioactive nuclide water and soil pollution monitoring and positioning system based on wireless sensor network, comprise position monitor node, base-station node and overall treatment server; Described base-station node is used for communicating with described position monitor node; Described overall treatment server connects described base-station node by cable network; ZIGBEE standard traffic is adopted between described position monitor node and base-station node;
Described position monitor node is laid in uranium tailings pond and neighboring area thereof, comprises a small amount of beaconing nodes and most of non-beacon node.Beaconing nodes contains GPS locating module, first microprocessor module, the first memory module, a ZIGBEE module, first sensor module, the first analog-to-digital conversion module and the first power module; Described GPS locating module is connected with described first microprocessor module serial ports, processes for the locator data of reception being sent to described first microprocessor module; A ZIGBEE module described in described first microprocessor model calling, passes through a ZIGBEE module transfer to other non-beacon node by described locator data; Described first microprocessor module connects described first sensor module by described first analog-to-digital conversion module; Described first microprocessor module also connects described first power module and the first memory module; Described first power module is described GPS locating module, and first microprocessor module, the first memory module, a ZIGBEE module, first sensor module and the first analog-to-digital conversion module are powered, and provide node normally to run required energy; Described non-beacon node comprises the second microprocessor module, the second memory module, the 2nd ZIGBEE module, the second sensor assembly, the second analog-to-digital conversion module and second source module, described non-beacon node, by receiving the GPS locating information of periphery minority beaconing nodes, locates self-position by ZIGBEE Wireless Sensor Network Located Algorithm.
Further, a described ZIGBEE module is also provided with receiving antenna and transmitting antenna; For setting up ZIGBEE wireless sensor network, carry out reception and the transmission of data with other nodes.
Further, described first sensor module and the second sensor assembly include nuclear radiation transducer, humidity sensor and temperature sensor.
Further, corresponding position encoded information unique with its position is stored in the first described memory module and the second memory module.
Further, the first described power module and second source module voltage scope are at 6V ~ 12V.
Beneficial effect of the present invention is, radioactive nuclide water and soil pollution monitoring and positioning system based on wireless sensor network provided by the invention, lay the whole monitored area of multiple position monitor coverage and form wireless sensor network, system is made to achieve real-time online nucleic contamination activity Monitoring and Positioning, Site Detection is removed without the need to personnel, reduce cost to facilitate again, compare ageing, security that conventional art substantially increases monitoring system; Based on the bimodulus location technology of GPS and ZIGBEE, platform extension is extremely strong, can load multiple node simultaneously, can also load various sensor; Because ZIGBEE standard is the free wireless communication standard used, therefore saves a large amount of permission to use expense, and then reduce cost.There is low power consuming, super long standby time, little, lightweight, the wireless feature laid conveniently and adapt to various rugged surroundings of volume simultaneously.
Accompanying drawing explanation
Figure 1 shows that the network of the radioactive nuclide water and soil pollution monitoring and positioning system that the present invention is based on wireless sensor network opens up complement.
Figure 2 shows that beaconing nodes module diagram in the present invention.
Figure 3 shows that non-beacon node module schematic diagram in the present invention.
Embodiment
Hereafter will describe the specific embodiment of the invention in detail in conjunction with concrete accompanying drawing.It should be noted that the combination of technical characteristic or the technical characteristic described in following embodiment should not be considered to isolated, they can mutually be combined thus be reached better technique effect.
As shown in Figure 1, the invention provides a kind of radioactive nuclide water and soil pollution monitoring and positioning system based on wireless sensor network, comprise position monitor node 3, base-station node 2 and overall treatment server 1; Base-station node 2 is for communicating with position monitor node 3; Overall treatment server 1 connects base-station node 2 by cable network; ZIGBEE standard traffic is all adopted between position monitor node 3, between position monitor node and base-station node 2;
As shown in Figures 2 and 3, position monitor node 3 is divided into beaconing nodes 4 and non-beacon node 5, a small amount of beaconing nodes 4 and most of non-beacon node 5 are laid in uranium tailings pond and neighboring area thereof, and beaconing nodes 4 includes GPS locating module 450, first microprocessor module 410, first memory module 430, a ZIGBEE module 460, first sensor module 420, first analog-to-digital conversion module 470 and the first power module 440; GPS locating module 450 is connected with first microprocessor module 410 serial ports, for sending to first microprocessor module 410 to process the locator data of reception; First microprocessor module 410 connects a ZIGBEE module 460, and locator data is transferred to other node by a ZIGBEE module 460; First microprocessor module 410 connects first sensor module 420 by the first analog-to-digital conversion module 470; First microprocessor module 410 also connects the first memory module 430; First power module 440 is powered for GPS locating module 450, first microprocessor module 410, first memory module 430, a ZIGBEE module 460, first sensor module 420 and the first analog-to-digital conversion module 470, provides node normally to run required energy.Non-beacon node 5 comprises the second microprocessor module 510, second memory module 530, the 2nd ZIGBEE module 550, second sensor assembly 520, second analog-to-digital conversion module 560 and second source module 540, non-beacon node 5, by receiving the GPS locating information of periphery minority beaconing nodes 4, locates self-position by ZIGBEE Wireless Sensor Network Located Algorithm.
Further, a ZIGBEE module 460 is also provided with receiving antenna and transmitting antenna; For setting up ZIGBEE wireless sensor network, carry out reception and the transmission of data with other nodes.
Further, first sensor module 420 and the second sensor assembly 520 include nuclear radiation transducer 423, humidity sensor 422 and temperature sensor 421.
Further, corresponding position encoded information unique with its position is stored in the first memory module 430 and the second memory module 530.
Further, the first power module 440 and second source module 540 voltage range are at 6V ~ 12V.
First, the position signalling received carries out analyzing and decoding by GPS locating module 450, and the signal of decoding is given first microprocessor module 410 again and processed, and first microprocessor module 410 pairs of signal transacting, allow it meet the host-host protocol of ZIGBEE.Simultaneously, the simulating signal of the radioactivity parameter collected, environmental parameter changes into after digital signal through analog-to-digital conversion module and is transferred to microprocessor module by sensor assembly, and radioactivity parameter, environmental parameter and position signalling are transferred to ZIGBEE module by microprocessor module; ZIGBEE module is by accepting antenna and signal sends by transmitting antenna, position monitor node 3 near base-station node 2 directly sends to base-station node 2, otherwise be forwarded to other nodes after repeatedly forwarding, signal sends base-station node 2 to, host computer, the information sent, through comparison, sorts, location Calculation, final display over the display.
When satellite-signal cannot be received, ZIGBEE positioning system starts automatically, first, overall treatment server 1 sends request to base-station node 2, base-station node 2 starts the position monitor node 3 reporting surrounding after receiving request, position monitor node 3 can be sent to overall treatment server 1 position encoded the uploading of self.
In practical operation, base-station node 2 in monitoring and positioning system receives the order that overall treatment server 1 is sent by wireline communication network, checking, order is sent to each position monitor node 3 via position monitor network again after successfully resolved, the microprocessor module of position monitor node 3 wakes node side program up, sensor die BOB(beginning of block) is monitored, gather radioactive source and environment temperature thereof, humidity and exit dose information, and by analog-to-digital conversion module, the information of collection is converted to numerical information, microprocessor module is encrypted this numerical information again, and be stored to memory module, to ensure the integrality of data, ZIGBEE module and can carry out radio communication between other position monitor node 3 and base-station nodes 2, the information received or gather is sent to base-station node 2, information is sent back overall treatment server 1 by base-station node 2 again, overall treatment server 1 receives the information of sending by special interfacing equipment, and by its aggregation process after deciphering.
In whole monitoring and positioning system, each position monitor node 3 can be adjacent node communication, form Ad hoc, data on position monitor node 3 can be forwarded by adjacent node multi-hop, even if some position monitor nodes 3 lost efficacy, other position monitor nodes 3 still can directly or indirectly be monitored, in collection network each region radioactive contamination information and sent to base-station node 2, realize the effective monitoring to whole radioactive nuclide water and soil pollution region; Described base-station node 2 has the internal memory of certain capacity, can when base-station node 2 and overall treatment server 1 lose be connected, receive and keep in the data message from position monitor node 3, guaranteeing the safe transmission of data message.
Radioactive nuclide water and soil pollution monitoring and positioning system based on wireless sensor network provided by the invention, lay the whole monitored area of multiple position monitor coverage and form wireless sensor network, system is made to achieve real-time online nucleic contamination activity Monitoring and Positioning, Site Detection is removed without the need to personnel, reduce cost to facilitate again, compare ageing, security that conventional art substantially increases monitoring system; Based on the bimodulus location technology of GPS and ZIGBEE, platform extension is extremely strong, can load multiple node simultaneously, can also load various sensor; Because ZIGBEE standard is the free wireless communication standard used, therefore saves a large amount of permission to use expense, and then reduce cost.There is low power consuming, super long standby time, little, lightweight, the wireless feature laid conveniently and adapt to various rugged surroundings of volume.
Although give some embodiments of the present invention, it will be understood by those of skill in the art that without departing from the spirit of the invention herein, can change embodiment herein.Above-described embodiment is exemplary, should using embodiment herein as the restriction of interest field of the present invention.
Claims (5)
1. based on a radioactive nuclide water and soil pollution monitoring and positioning system for wireless sensor network, it is characterized in that, comprise position monitor node, base-station node and overall treatment server; Described base-station node is used for communicating with described position monitor node; Described overall treatment server connects described base-station node by cable network; ZIGBEE standard traffic is adopted between described position monitor node and base-station node;
Described position monitor node is laid in uranium tailings pond and neighboring area thereof, comprises beaconing nodes and non-beacon node; Described beaconing nodes contains GPS locating module, first microprocessor module, the first memory module, a ZIGBEE module, first sensor module, the first analog-to-digital conversion module and the first power module; Described GPS locating module is connected with described first microprocessor module serial ports, processes for the locator data of reception being sent to described first microprocessor module; A ZIGBEE module described in described first microprocessor model calling, passes through a ZIGBEE module transfer to non-beacon node described in other by described locator data; Described first microprocessor module connects described first sensor module by described first analog-to-digital conversion module; Described first microprocessor module also connects described first power module and the first memory module; Described first power module is described GPS locating module, first microprocessor module, the first memory module, a ZIGBEE module, first sensor module and the first analog-to-digital conversion module are powered, and provide node normally to run required energy; Described non-beacon node comprises the second microprocessor module, the second memory module, the 2nd ZIGBEE module, the second sensor assembly, the second analog-to-digital conversion module and second source module, described non-beacon node, by receiving the GPS locating information of beaconing nodes described in periphery minority, locates self-position by ZIGBEE Wireless Sensor Network Located Algorithm.
2., as claimed in claim 1 based on the radioactive nuclide water and soil pollution monitoring and positioning system of wireless sensor network, it is characterized in that, a described ZIGBEE module is also provided with receiving antenna and transmitting antenna; For setting up ZIGBEE wireless sensor network, carry out reception and the transmission of data with other nodes.
3., as claimed in claim 1 based on the radioactive nuclide water and soil pollution monitoring and positioning system of wireless sensor network, it is characterized in that, described first sensor module and the second sensor assembly include nuclear radiation transducer, humidity sensor and temperature sensor.
4. as claimed in claim 1 based on the radioactive nuclide water and soil pollution monitoring and positioning system of wireless sensor network, it is characterized in that, in the first described memory module and the second memory module, store corresponding position encoded information unique with its position.
5., as claimed in claim 1 based on the radioactive nuclide water and soil pollution monitoring and positioning system of wireless sensor network, it is characterized in that, the first described power module and second source module voltage scope are at 6V ~ 12V.
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| CN201510433843.5A CN105158435B (en) | 2015-07-22 | 2015-07-22 | Radionuclide water and soil pollution monitoring and positioning system based on wireless sensor network |
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Cited By (1)
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