CN201173927Y - Wireless multi- parameter on-line environment monitoring apparatus - Google Patents
Wireless multi- parameter on-line environment monitoring apparatus Download PDFInfo
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- CN201173927Y CN201173927Y CNU2008200320353U CN200820032035U CN201173927Y CN 201173927 Y CN201173927 Y CN 201173927Y CN U2008200320353 U CNU2008200320353 U CN U2008200320353U CN 200820032035 U CN200820032035 U CN 200820032035U CN 201173927 Y CN201173927 Y CN 201173927Y
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Abstract
The utility model discloses a wireless multi-parameter on-line environmental monitoring device. The device comprises samplers(2) and a monitor(4), wherein a group of samplers(2) are connected with the monitor(4) by a wireless transmission receiver (3); each sampler(2) is integrated by a sensor module(5), a sampling control and maintaining module(6), an A/D digital conversion module(7), a single chip machine processing module(8) and a wireless data transmission module(9); the sensor module comprises an electrochemical sensing module(14), a temperature sensing module(10) or an optical sensing module(11); the monitor is integrated by a wireless data receiving module(12) and a data base data processing module(13). The monitoring device of the utility model adopts the wireless transmission mode and uses the monitor to make the real-time analysis and processing, thereby wholly and obviously enhancing the accuracy, the scientificity and effectiveness of monitoring.
Description
Technical field
The utility model relates to supervising device, is specifically related to wireless multiple parameter on-line environment monitor.
Background technology
The wireless messages transmission network that wireless sensor network is made up of a large amount of sensor nodes, has purposes widely at numerous areas such as military affairs, industry, environment, lives, be one of focus of researching and developing at present both at home and abroad, all significant to the national economic development and national defense construction.Typical wireless sensor network is made up of numerous sensor nodes and one or more information gathering node.Sensor node is by the required information of sensor acquisition, and wireless launching; The information of wireless transmit generally need promptly with the transmission mode of multi-hop, arrive the information gathering node through the forwarding of a plurality of sensor nodes; In network, information similar also will be merged, be merged, to reduce the load of network.
With self-organization (Ad Hoc) network class seemingly, wireless sensor network generally not have fixing network structure, can be as required, random placement sensor node is formed network voluntarily by sensor node then.But compare with typical A d Hoc network, the number of nodes of wireless sensor network is bigger, and the cost of node and the requirement of power consumption are stricter, and the movability of node is generally less.
Abroad, because the needs of Military Application etc., the wireless sensor network development in recent years is very fast, at aspects such as sensor, radio communication, procotol design, information processing data storehouses, all obtained large development, make up many wireless sensor network experimental systems, and expanded to other every field, progressively moved towards practical application.At home, wireless sensor network has also obtained extensive concern and further investigation, and under the support of national 863 Program etc., domestic a lot of colleges and universities have all carried out relevant research with research institution, has obtained abundant achievement in research.
The design of wireless sensor network and the correlativity of application are very close, generally need design at different application and optimize, and any solution all is difficult to satisfy all application demands.Therefore, the research contents of wireless sensor network is very abundant, and the research space is very big.General and the external applied environment of domestic applied environment is not quite similar, and can not indiscriminately imitate external solution fully.Particularly the important application to involving the interests of the state and the people has only by independent research, could obtain the optimum solution and the achievement in research of independent intellectual property right.
An important applied field of wireless sensor network is water quality monitoring.At present, traditional method is generally still continued to use in domestic water quality monitoring aspect, promptly by the water quality monitoring station is set, water quality is carried out grab sampling and lab analysis, and coverage rate is limited, need the intervention of a large amount of manpowers, and the real-time that data are obtained, analyzed is not high.Use extensive water quality monitoring wireless sensor network; can carry out comprehensive, real-time automatic monitoring and analysis to water quality; the water body quality condition is carried out the overall evaluation and the prediction of science, and to water environment protection and improvement, and development and national economy has great importance.
Summary of the invention
The purpose of this utility model is: a kind of wireless multiple parameter on-line environment monitor is provided, by the variation of various sensor acquisition various chemical elements relevant with outburst and environmental parameter etc. in the lake with blue algae growth, and each regional different situations in lake; By wireless sensor network with these information by wireless mode, be transferred to the information gathering node in real time, exactly and analyze, need not artificial intervention; And the information analysis system of information gathering node can carry out real-time analysis and processing to the magnanimity information of collecting, and realizes blue algae bloom prealarming, for the blue-green algae control decision provides scientific basis, and comprehensive, as to significantly improve monitoring accuracy, science and validity.
Technical solution of the present utility model is: this supervising device comprises sampling thief and watch-dog, one group of sampling thief connects watch-dog by the wireless transmission receiver, and sampling thief is formed by sensor assembly, controlling of sampling and maintenance module, A/D data conversion module, single chip processing module, wireless data transfer module set; Sensor assembly has electrochemical sensing module, temperature sensing module or optical sensing module; The chemical sensitisation module is a working electrode by ion-selective electrode, makes up a three-electrode electro Chemical analysis in conjunction with reference electrode and auxiliary electrode; The optical sensing module adopts digital camera measurement chlorophyll and optical fiber turbidity index; Watch-dog is formed by wireless data receiver module, database and data processing module set.
During use, collector is positioned over the somewhere, waters respectively, starts collector work, collector is transferred to watch-dog with signal and realizes analyzing and processing.
Supervising device of the present utility model transmits information by wireless mode, by watch-dog real-time analysis and processing, significantly improve accuracy, science and the validity of monitoring comprehensively.
Description of drawings
Fig. 1 is a block diagram of the present utility model.
Fig. 2 is the exploded block diagram of Fig. 1.
Among the figure: 1. power supply, 2. sampling thief, 3. wireless transmission receiver, 4. watch-dog, 5. electrochemical sensor module, 6. controlling of sampling with keep module, the 7.A/D data pass the die change piece, 8. single chip processing module, 9. wireless data transfer module, 10. temperature sensing module, 11. optical sensing modules, 12. the wireless data receiver module, 13. databases and data processing module.
Embodiment
As shown in Figure 1, 2, this supervising device comprises sampling thief 2 and watch-dog 4, one group of sampling thief 2 connects watch-dog 4 by wireless transmission receiver 3, and sampling thief 2 is formed by sensor assembly 5, controlling of sampling and maintenance module 6, A/D data conversion module 7, single chip processing module 8, wireless data transfer module 9 set; Sensor assembly has electrochemical sensing module 14, temperature sensing module 10 or optical sensing module 11; Chemical sensitisation module 14 is a working electrode by ion-selective electrode, makes up a three-electrode electro Chemical analysis in conjunction with reference electrode and auxiliary electrode; Optical sensing module 11 adopts digital camera measurement chlorophyll and optical fiber turbidity index; Watch-dog forms by wireless data receiver module 12, database with according to processing module 13 set.
One, sensor
1, integrated form sensor array
The composite water quality analyser that existing market can obtain mostly is relatively large system.The water quality on-line detection method that is up to state standards at present has a variety of, and these methods are compared advantage such as have low cost, full-automatic, real-time with traditional detection method, but this class large-scale instrument cost is very high, is not suitable for the monitoring of large tracts of land multidigit point.
On the detection technique basis of existing comparative maturity, by a plurality of sensors are integrated, developing low-cost, can discard even biodegradable low-cost sensor array, satisfy the real-time monitoring of large tracts of land territory water resource.
These sensors all can be integrated on the substrate of Biodegradable material, form the remote detection network of no discarded object.Sensor with micro-fluidic technologies with the combination of sensing technology, adopt highly sensitive electric current, circuit for measuring potential, reach and measure above-mentioned water-quality guideline in microlitre volume of liquid scope, detection system is integrated into chip size, utilize existing laboratory technique, form the highly sensitive detection of micro liquid.Accuracy of detection such as potassium permanganate, COD, BOD, NH3-N, total nitrogen, total phosphorus reach a national class water quality standard.Sensor adopts Low-power Technology, and the sensing unit power consumption is lower than 2 watts.The multinomial analytic signal that sensor obtains is sent to communication module by amplification, digitizing, storage and carries out teletransmission.
2, distributed sensing network
Scientifically design the structure of sensing network, can obtain maximum information by lower cost.On the basis of whole Taihu Lake basin, consider the hydrology, geography, as the situation of factors such as area, flow velocity, hydraulic detention time, volume, the depth of water and water front coefficient, by the layout of suitable theory and reasonable in technology ground arrangement sensor.
3, sensor drive system
This system provides the interface with integrated form sensor array and wireless transmission.The function of have self check, provide driving power, D/A, A/D changing.Be the higher management of sensor-based system, can control collection, the transmission of information.And make sensor-based system have good extendability with maintainable.
4, sensor technology exploitation and application
Water pollution and eutrophication are complicated problems, relate to diversified chemistry and biological substance.Except some conventional test items, the on-the-spot automatic monitoring technical that exploitation is suitable for the material of some characteristics or index or parameter is also very necessary.For example: the 1) detection of persistence environmental contaminants (POPs):, make up relevant environment contaminant detector part and biochip based on the function nano material according to the intoxicating mechanism of action of dioxin compounds and other organochlorine classes, organic nitrogen and Phosphorus environmental contaminants etc.; 2) eutrophication water and blue algae growth correlation factor sensing technology: the speed that algal bloom occurs is very fast, this makes to see it is instantaneous " outburst " on the The apparent phenomenon, but research through many decades, present viewpoint think it be not grow at a terrific speed at short notice due to, but the gradually development and the process that form of algae bio amount in water body, the prerequisite that causes outburst is to have had bigger algae bio amount in the water body, just under the environment suitable condition, form in the short period of time " wawter bloom ", cause outburst.The formation of at present most research approval blue-green alga blooms are caused by many environmental factors such as the physilogical characteristics of blue-green algae itself and temperature, illumination, nutritive salt, other biologies, but still indeterminate dominant factor of inducing wawter bloom, therefore need the development factor sensing technology relevant with the wawter bloom growth and decline, monitor from multi-angle, and the synergy of each factor is analyzed.
Two, high capacity, the transmission network real-time and the control of field monitoring information on a large scale
Sensor acquisition to information send to the information gathering node by wireless sensor network, carry out information processing and application.The design of wireless sensor network is closely related with application, need to realize the real-time information transmission network of wide area, multinode, longer single-hop communication distance, will mainly study, design and realize from Physical layer wireless communication technology, medium Access Control (MAC) layer and network layer.
1, Physical layer wireless communication technology
At present, the Physical layer wireless communication technology that is used for wireless sensor network is comparatively ripe, company such as Chipcon and ADI has all released the commercial chip of the hundreds of rice of wireless transmission distance, the hundreds of Kbps of wireless messages transfer rate, can satisfy the wireless sensor network of most of low costs, low-power consumption and use.
In the wireless sensor network, the positional information of sensor node is extremely important, generally speaking, sensor acquisition to information must combine with positional information, use value is just arranged.One of implementation method is to adopt GPS (GPS) to position, but since the restriction of cost, power consumption etc. can only on part of nodes, realize.Traditional UWB technology generally is applied to short-distance wireless communication, and improved base band pulse UWB wireless communication technology can reach bigger wireless communication distance, and has higher distance accuracy.Aspect location technology, expand the global optimization location algorithm of (MDS) based on multi-dimentional scale, on existing MDS algorithm basis, situation is improved at anchor node skewness, range error be bigger etc., and the high efficiency of transmission mode of research ranging information, conveniently to focus on, to obtain positioning result at server.
2, mac-layer protocol
Mac-layer protocol problem to be solved is how in the single-hop scope, shares Radio Resource between a plurality of network nodes.In wireless sensor network, because node is generally used powered battery, energy is very limited, so improve energy utilization efficiency, reduce energy consumption and become one of primary optimization aim of mac-layer protocol.
Existing MAC layer of wireless sensor network agreement generally adopts mode Resources allocation between a plurality of nodes of time division multiplex (TDMA), be different node transmission information in different time slots, and carry out the reservation of time slot by request transmission/clear to send (RTS/CTS) mechanism, avoid conflict and collide.
Employing center control type and distributed two kinds of network structures, the distributed frame network topology structure and the center control nodes that need not to fix wherein, network function is distributed in each node and realizes, is applicable to wireless sensor network.
Wireless sensor network has that number of nodes is big, the conceptual data amount big but each node sends the data volume features of smaller at every turn, the mechanism that inserts with pseudorandom in distributed network structure replaces RTS/CTS mechanism commonly used, avoid the consumption of the Internet resources that collision brought of RTS/CTS frame itself, improve the network energy utilization ratio.And under this framework, fairness problem, service quality (QoS) assurance mechanism and the implementation method of research mac-layer protocol are with the combined optimization design of Physical layer and network layer and the efficient realization technology of agreement.The problem that needs emphasis to solve is to design node dormancy mechanism efficiently, has both reduced the energy consumption of node, again the realization of not appreciable impact network function.The approach that solves is in pseudorandom inserts, and designs effective distributed resource future mechanism, makes each node can utilize Internet resources in an orderly manner.
3, network layer Routing Protocol
The Routing Protocol of network layer is realized the transmission of information in multihop network.Because node may stop to carry out network function because of depleted of energy, therefore, even node is static, the topological structure of wireless sensor network also can often change; In wireless sensor network, generally also need when propagating, information carry out the fusion of information, promptly merge information similar with transmission more efficiently; In addition, the node in the wireless sensor network does not generally possess the information stores and the processing power of router in the general networks.
Domestic wireless sensor network Routing Protocol such as SPIN agreement and DirectDiffusion agreement etc. have solved the routing issue of wireless sensor network preferably.At characteristics such as network size are big, distribution is wide, nodal function is various, adopt the network structure of layering, by the stronger route auxiliary node of a small amount of function is set, in network, introduce certain level and definite information, improve the implementation efficiency of Routing Protocol.
The solar powered module of the utility model is made of solar panel, DC/DC conversion, accumulator etc.The power supply of sun power keeps chip and singlechip chip by conversion chip driving data acquisition chip and sampling.
The employing of the utility model wireless transmission is launched automatically and is accepted module, software control collection or collection transmission automatically, and data show on main frame, report to the police.
Claims (6)
1. wireless multiple parameter on-line environment monitor, it is characterized in that: this supervising device comprises sampling thief (2) and watch-dog (4).
2. wireless multiple parameter on-line environment monitor according to claim 1, it is characterized in that: one group of sampling thief (2) connects watch-dog (4) by wireless transmission receiver (3), and sampling thief (2) is formed by sensor assembly (5), controlling of sampling and maintenance module (6), A/D data conversion module (7), single chip processing module (8), wireless data transfer module (9) set.
3. wireless multiple parameter on-line environment monitor according to claim 1 is characterized in that: sensor assembly has electrochemical sensing module (14), temperature sensing module (10) or optical sensing module (11).
4. wireless multiple parameter on-line environment monitor according to claim 1 is characterized in that: chemical sensitisation module (14) is a working electrode by ion-selective electrode, makes up a three-electrode electro Chemical analysis in conjunction with reference electrode and auxiliary electrode.
5. wireless multiple parameter on-line environment monitor according to claim 1 is characterized in that: optical sensing module (11) adopts digital camera measurement chlorophyll and optical fiber turbidity index.
6. wireless multiple parameter on-line environment monitor according to claim 1 is characterized in that: watch-dog forms by wireless data receiver module (12), database with according to processing module (13) set.
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| CNU2008200320353U CN201173927Y (en) | 2008-03-10 | 2008-03-10 | Wireless multi- parameter on-line environment monitoring apparatus |
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| CNU2008200320353U CN201173927Y (en) | 2008-03-10 | 2008-03-10 | Wireless multi- parameter on-line environment monitoring apparatus |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425407A (en) * | 2011-12-30 | 2012-04-25 | 江苏杰创科技有限公司 | Wireless collector for information of oil-gas well |
| CN102540993A (en) * | 2010-12-23 | 2012-07-04 | 北京时代凌宇科技有限公司 | Hydrologic data monitoring system |
| CN103578256A (en) * | 2013-11-04 | 2014-02-12 | 桂林电子科技大学 | Regional water environment heavy metal monitoring system and operating method |
| CN103969414A (en) * | 2014-05-14 | 2014-08-06 | 杭州中旺科技有限公司 | Wireless water quality multi-parameter monitoring system |
| CN106820390A (en) * | 2017-02-23 | 2017-06-13 | 福建强闽信息科技有限公司 | The water quality monitoring intelligent helmet and application method of display screen down-drawable retraction |
| CN107423236A (en) * | 2017-08-10 | 2017-12-01 | 青岛海信宽带多媒体技术有限公司 | The processing method of monitoring parameters, read method, device and optical module in optical module |
| CN110596207A (en) * | 2019-08-02 | 2019-12-20 | 摩尼特(武汉)智能科技有限公司 | Rapid on-line monitoring method for total phosphorus electrochemistry |
| CN113702317A (en) * | 2021-08-30 | 2021-11-26 | 中国农业科学院农业信息研究所 | Drainage basin non-point source pollution component sensor, monitoring system and method |
-
2008
- 2008-03-10 CN CNU2008200320353U patent/CN201173927Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102540993A (en) * | 2010-12-23 | 2012-07-04 | 北京时代凌宇科技有限公司 | Hydrologic data monitoring system |
| CN102425407A (en) * | 2011-12-30 | 2012-04-25 | 江苏杰创科技有限公司 | Wireless collector for information of oil-gas well |
| CN103578256A (en) * | 2013-11-04 | 2014-02-12 | 桂林电子科技大学 | Regional water environment heavy metal monitoring system and operating method |
| CN103969414A (en) * | 2014-05-14 | 2014-08-06 | 杭州中旺科技有限公司 | Wireless water quality multi-parameter monitoring system |
| CN106820390A (en) * | 2017-02-23 | 2017-06-13 | 福建强闽信息科技有限公司 | The water quality monitoring intelligent helmet and application method of display screen down-drawable retraction |
| CN107423236A (en) * | 2017-08-10 | 2017-12-01 | 青岛海信宽带多媒体技术有限公司 | The processing method of monitoring parameters, read method, device and optical module in optical module |
| CN107423236B (en) * | 2017-08-10 | 2020-12-04 | 青岛海信宽带多媒体技术有限公司 | Processing method, reading method and device for monitoring parameters in optical module and optical module |
| CN110596207A (en) * | 2019-08-02 | 2019-12-20 | 摩尼特(武汉)智能科技有限公司 | Rapid on-line monitoring method for total phosphorus electrochemistry |
| CN113702317A (en) * | 2021-08-30 | 2021-11-26 | 中国农业科学院农业信息研究所 | Drainage basin non-point source pollution component sensor, monitoring system and method |
| CN113702317B (en) * | 2021-08-30 | 2023-10-27 | 中国农业科学院农业信息研究所 | River basin non-point source pollution component sensor, monitoring system and method |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081231 Termination date: 20150310 |
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| EXPY | Termination of patent right or utility model |