CN201681071U - Multi-parameter modularized aquaculture water environment wireless monitoring system - Google Patents
Multi-parameter modularized aquaculture water environment wireless monitoring system Download PDFInfo
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- CN201681071U CN201681071U CN2009202021257U CN200920202125U CN201681071U CN 201681071 U CN201681071 U CN 201681071U CN 2009202021257 U CN2009202021257 U CN 2009202021257U CN 200920202125 U CN200920202125 U CN 200920202125U CN 201681071 U CN201681071 U CN 201681071U
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Abstract
Disclosed is a multi-parameter modularized aquaculture water environment wireless monitoring system, which is composed of a plurality of wireless sensor network nodes distributed at a monitoring water area and a data monitoring center, the wireless sensor network nodes are divided into three types of water quality sensing nodes, route nodes and gateway nodes which form a wireless sensor network by a self-organization form, and the gateway nodes are connected with a local/remote data monitoring center computer through a serial port/wireless data transmission interface. The utility model is characterized in that: (1) the water quality sensing nodes adopt the modularized design, each node can be connected with a plurality of sensing functional modules with different parameters, and the sensing functional modules can be added and replaced according to demands of test tasks; and (2) the data monitoring center performs comprehensive analysis according to the collected water quality parameters, and automatically adjusts the sampling frequency according to the water quality condition to realize intelligentized sampling, so that the system can timely and accurately reflect abnormal changes of water quality with any parameter in detail. At present, the aquiculture industry is developing towards the direction of factory breeding with high density, intensive culture and high yield, and the utility model can realize on-line sampling of two-dimensional real-time data of space and time of a large-range water area under the condition of low cost, and provides a technical means for high quality analysis and management to water quality of aquicultural water, so as to achieve purposes of scientific breeding, pollution prevention and pollution analysis.
Description
Technical field
The utility model relates to the water quality monitoring technical field, mainly relates to be applicable to the water environment parameter online technology of culturing the waters.
Background technology
Culture fishery just develops towards the industrial aquaculture direction of high density, intensive culture high yield, the water parameter of breeding water body is monitored and can be prevented and remedied pollution scientific basis is provided for reasonably selecting breed species, control production run, improvement water quality, also is the important prerequisite of carrying out cultivation water environment evaluation, prediction and effectively developing water resource.Aquaculture waters broadness is made up of a plurality of breed pond sometimes, monitors for distribution and situation of change thereof to the water quality parameter of culturing the waters, need dispose long-term on-line monitoring and record continuously that a plurality of observation stations are carried out water quality parameter in these waters.
Traditional water quality monitoring method mainly contains two kinds: (1) artificial sample lab analysis or employing handheld portable monitor spot sampling detect; (2) build the automatic water quality monitoring station in the specific region.The former sample frequency is low, and labour intensity is big, can't monitor in real time, can not reflect the continuous dynamic change of water quality parameter.The latter can realize automatic water quality monitoring, but exist cost of investment height, construction period long, need cable laying and expropriation of land limitation such as build a station, its Water Area Covered by VTS VTS can not be very wide, also can't implement the multiple spot monitoring.
In recent years, the technical research of radio sensing network is applied to environmental monitoring with wireless sensor network technology and ecological Studies are one of focuses just among flourish.Because the self-organization characteristic of radio sensing network and microminiaturization, low cost and the low energy consumption of design of node, wireless sensor network technology is combined with traditional water quality monitoring instrument, can realize the quick configuration and the MANET of the many monitoring nodes of regional water parameter, the characteristics of wireless transmission and low energy consumption can adapt to outdoor changeable environment.Water environment detection system based on the radio sensing network technology can realize the on-line sampling of the room and time two dimension real time data in waters on a large scale under the condition cheaply, the data description of water quality parameter can realize carrying out high-quality analysis and management to culturing species and water body environment thereof when high density was empty, reached the purpose of scientific culture, pre-anti-pollution and contamination analysis.
Present water quality detection instrument can be divided into the one-parameter detection and multiparameter detects, and as the compound Water Test Kits of U.S.'s YSI multiparameter, can monitor more than ten measurement project simultaneously.But these multiparameter water quality analyzers, because the integrated design of sensing electrode and signal Processing and control circuit, the water quality parameter that they allow to detect is also fixed, and can not arbitrarily increase and decrease, and allow the parameter of detection many more, instrument is expensive more.
The monitoring instrument in the past and the sample frequency of monitoring system can not be changed after the setting automatically by default or manual the setting, can not realize adjusting automatically according to the water quality data of being sampled the function of sampling frequency.
The utility model discloses a kind of water quality parameter on-line monitoring system based on the radio sensing network principle design, native system adopts the modular structural design of sensing function, can the flexible configuration monitoring parameter and the number of monitoring node, and, can carry out analysis-by-synthesis according to the water quality parameter that collects, automatically adjust the sampling frequency according to water quality condition, realize " intelligent sample ".
Summary of the invention
The purpose of this utility model provides that a kind of monitoring point is disposed fast, monitoring parameter flexible configuration, networking are convenient, wireless intelligent cultivation water environment monitoring system cheaply.This system is made up of wireless sensor network node and data monitor center, wireless sensor network node has three types of water quality sensing node, routing node and gateway nodes, they form wireless sensor network by the self-organization form, and gateway node wherein links to each other with the data monitor center computing machine by serial ports or wireless data transmission interface.
The wireless intelligent cultivation water environment monitoring system that the utility model proposes realizes by following scheme:
The water quality sensing node is made up of sensing function module, control and communication module and power module.Sensing function module wherein is made up of sensing probe, signal conditioning circuit, coprocessor, serial output bus, and the water quality monitoring of different parameters has different sensing function modules, but they all have unified output bus type.The sensing function module is connected with communication module with control by output bus, different water quality sensing function modules have different address number, they can be connected on the same output bus, number can increase within the specific limits and can subtract, and control is adopted master-slave communication mode and each sensing function module communication with communication module.The control of water quality sensing node and communication module are made up of bus signals change-over circuit, main processor circuit, radio communication circuit, and the signal of radio communication circuit output is connected to antenna.Power module is made up of battery and direct current transformation circuit, is connected with communication module with sensing function module, control respectively, for they provide power supply.
Routing node is made up of control and communication module and power module, and control is made up of main processor circuit, radio communication circuit with communication module, and the signal of radio communication circuit output is connected to antenna.Power module is made up of battery and direct current transformation circuit, is connected with communication module with control, for it provides power supply.
Gateway node is made up of control and communication module, gateway processes module, power module, control is made up of main processor circuit, radio communication circuit with communication module, the signal of radio communication circuit output is connected to antenna, gateway module is made up of this locality communication/remote communication interface circuit, the local communication interface of gateway module is connected to the serial port of local data Surveillance center computing machine in the serial port mode, and the remote communication interface of gateway module is wirelessly transmitted to long-range data monitor center computing machine with GPRS or CDMA mode.Power module is made up of battery and direct current transformation circuit, is connected with gateway module with communication module with control, for they provide power supply.
Described data monitor center is made up of supervisory control comuter, data monitor center software, database.Supervisory control comuter can be the local computer of band local data base, data monitor center software, and gateway node links to each other with local computer by serial port; Supervisory control comuter can be the remote computer of band remote data base, data monitor center software, and this computer configuration GPRS or cdma communication module connect by GPRS or CDMA module and long-range wireless sensor network.
The beneficial effects of the utility model are:
(1) the water quality sensing node adopts modular design, each node can connect the sensing function module of a plurality of different parameters, the sensing function module can add according to the needs of test assignment and change, and need not redesign the hardware circuit of other module of node, increased the dirigibility of water quality sensing node function and universal.
(2) quantity of water quality sensing node is the amount doesn't matter, can come arrangement according to the monitoring needs, and each sensing node can be that one-parameter is measured, and can be measuring multiple parameters also, forms distributed multi-parameter monitoring network;
(3) adopt the wireless data transmission mode, simple in structure, avoided building a station and the input of the construction of line, promptly save cost, easy for installation again, the outdoor water quality monitoring that is in particular under the abominable geographical environment has brought convenience;
(4) adopt the networking of ZigBee technology, have advantages such as self-organization of network, communication quality are reliable, node miniaturization, power consumption is little, network capacity is big.
(5) " intelligent sample " system that makes can promptly and accurately at length reflect the ANOMALOUS VARIATIONS of arbitrary parameter water quality, for possible contamination accident provides high-resolution empty time-division water distribution prime number certificate.
Description of drawings
Fig. 1 is a monitoring system structural representation block diagram;
Fig. 2 is a water quality sensing node structured flowchart;
Fig. 3 is the sensing function modular structure block diagram in the water quality sensing node;
Fig. 4 is the gateway node structured flowchart;
Embodiment
Below in conjunction with accompanying drawing monitoring system described in the utility model is described further.
Fig. 1 is that monitoring system of the present invention is formed synoptic diagram.Monitoring waters among the figure is the aquaculture waters, can be marine park or freshwater aquiculture pond.Native system is formed a wireless self-organization network by three kinds of dissimilar nodes in the monitoring waters, they are water quality sensing node, routing node, gateway node, the quantity of water quality sensing node can be set according to the requirement of monitoring point, carry out communication by wireless channel between each node, wireless channel can select for use the whole world of 2.4GHz to disclose wireless free frequency range, and networking mode can be selected the ZigBee technology for use.
After the water quality sensing node is gathered needed water quality parameter, directly send or be sent to gateway node and focus on through route node multi-hop; Data after gateway node will compress are connected to the local monitor computing machine by serial ports, or link to each other with long-range supervisory control comuter by GPRS or CDMA interface.Run on monitoring software on the supervisory control comuter be responsible for to data decode, extraction, analysis and synthesis, video data and statistics then, and judge whether the water quality condition in monitoring waters alarms and issue the order of upgrading the sampling frequency with decision.
Fig. 2 is a water quality sensing node structured flowchart.Fig. 3 is the sensing function modular structure block diagram in the water quality sensing node.The water quality sensing node is fixedly installed in the place, monitoring point, the water quality sensing probe of sensing function module wherein can adopt immersion or duct type to be fixed in water body circulation place, except the water quality sensing probe, other part encapsulation process of water quality sensing node guarantee security, stability and the reliability of node to resist outdoor rugged surroundings.The sensing function module can be the temperature sensing module, the pH value sensing module, the dissolved oxygen DO sensing module, salinity sensing module etc., the sensing probe difference of these modules, signal conditioning circuit in the module is according to the requirement design of measuring principle and probe, the coprocessor of different measuring parameter module can adopt with a kind of model, as 51 series monolithics of AT company or the PIC single-chip microcomputer of MICROCHIP company, the output of sensing function module can be adopted serial RS485 bus interface, links to each other with the input end of communication module with control in the water quality sensing node by bus cable.The control of water quality sensing node and communication module adopt the CC2430 chip design of Chipcon company, the 8051 microcontrollers nuclear of the CC2430 monolithic is an integrated high-performance low-power-consumption, RAM who meets 2.4GHz frequency range radio frequency transceiver, 128KB flash memory able to programme and the 8KB of IEEE802.15.4 standard, meet the MAC timer of IEEE802.15.4 standard, support the CSMA/CD function on the hardware fully, the flash memory of 128KB wherein can be large enough to hold complete ZigBee radio protocol stack (accounting for 1/2 storage space) and user program code.In addition, CC2430 also contains timer, AES-128 coprocessor, WatchDog Timer, 32KHz crystal oscillator park mode timer, battery detection circuit and 21 programmable I/O pins, two programmable USART and is used for master/slave SPI or UART.The CC2430 chip can be realized the control among Fig. 2 and the function of communication module by expanding a RS485 interface chip MAX3485 and a spot of peripheral components.Power module can adopt the 18V accumulator, and direct current transformation circuit wherein can adopt voltage transitions chip LM2576, produces 12V and 3.3V voltage from 18V voltage, and wherein 12V voltage is the sensing function module for power supply, and 3.3V voltage is control and communication module power supply.
Routing node is responsible for multi-hop and is transmitted the packet of water quality sensing node to gateway node, in the monitored area, can be according to certain network topology structure, in the monitored area, arrange the fixed route node of respective numbers, the rational routing node of distribution density can make water quality sensing node transceive data bag stably in the monitoring waters, reduces the generation of data packet loss.Routing node is made up of control and communication module and power module, compares the water quality sensing node and only reduces the water quality sensing module.The control of routing node is identical with the water quality sensing node with the design of communication module, can select the CC2430 chip of Chipcon company for use.Power module can adopt the LS14500C battery of 2 joint 3.6V, and series connection forms the 7.2V power supply, produces 3.3V voltage by voltage conversion circuit, is control and communication module power supply.
The structured flowchart of gateway node is made up of control and communication module, gateway processes module, power module as shown in Figure 4, and control wherein is identical with the water quality sensing node with the design of communication module, can select the CC2430 chip of Chipcon company for use.The gateway processes module is made up of serial interface circuit and GPRS/CDMA wireless data transmission interface circuit, serial interface circuit adopts the RS232 level transferring chip, with the conversion of signals of 3.3V level be ± signal of the RS232 level of 12V, thereby can directly link to each other by cable with the local monitor computer by serial; GPRS/CDMA wireless data transmission interface circuit can be selected the Q2403 series wireless communication module or the homemade Related product of Wavecom company for use, being connected between GPRS/CDMA wireless data transmission interface circuit and control and the communication module adopts the USART serial ports to connect, the gateway processes module by GPRS/CDMA wireless data transmission interface circuit realize with the remote monitoring computing machine between communicate by letter.
Claims (5)
1. multiparameter modularization cultivation water environment wireless monitor system, it is characterized in that: it is made up of a plurality of wireless sensor network nodes and the data monitor center that are distributed in the monitoring waters, wireless sensor network node has three types of water quality sensing node, routing node and gateway nodes, form wireless sensor network between them, described gateway node links to each other with the data monitor center computing machine of Local or Remote by serial ports or wireless data transmission interface.
2. multiparameter modularization cultivation water environment wireless monitor system according to claim 1, it is characterized in that, described water quality sensing node is by water quality sensing function module, control and communication module and power module are formed, water quality sensing function module is by sensing probe, signal conditioning circuit, coprocessor, the serial output bus is formed, different sensing function modules is adopted in the water quality monitoring of different parameters, but they all have unified output bus type, the sensing function module is connected with communication module with control by output bus, different sensing function modules have different address number, control is distinguished the sensing function module with communication module by different addresses, the control of water quality sensing node and communication module are by the bus signals change-over circuit, main processor circuit, radio communication circuit is formed, the signal of radio communication circuit output is connected to antenna, the power module of water quality sensing node is made up of battery and direct current transformation circuit, respectively with water quality sensing function module, control is connected with communication module.
3. multiparameter modularization cultivation water environment wireless monitor system according to claim 1, it is characterized in that, described routing node is made up of control and communication module and power module, control is made up of main treatment circuit, radio communication circuit with communication module, the signal of radio communication circuit output is connected to antenna, the power module of described routing node is made up of battery and direct current transformation circuit, is connected with communication module with control.
4. multiparameter modularization cultivation water environment wireless monitor system according to claim 1, it is characterized in that, described gateway node is by control and communication module, the gateway processes module, power module is formed, control and communication module are by main processor circuit, radio communication circuit is formed, radio communication circuit is connected to antenna, gateway module is made up of this locality communication/remote communication interface circuit, the local communication interface of gateway module is connected to the serial port of local data Surveillance center computing machine in the serial port mode, the remote communication interface of gateway module is wirelessly transmitted to long-range data monitor center computing machine with GPRS or CDMA mode, the power module of described gateway node is made up of battery and direct current transformation circuit, is connected with gateway module with communication module with control.
5. multiparameter modularization cultivation water environment wireless monitor system according to claim 1 is characterized in that described data monitor center is made up of supervisory control comuter, data monitor center software and database.
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| CN102098805A (en) * | 2009-12-11 | 2011-06-15 | 中国计量学院 | Multi-parameter modularized distributed culture water environment wireless monitoring system and method |
| CN102736569A (en) * | 2011-04-13 | 2012-10-17 | 伯英孚水质科技(苏州)有限公司 | Multipath water quality online monitoring system |
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| CN102098805B (en) * | 2009-12-11 | 2014-02-26 | 中国计量学院 | Multi-parameter modularized distributed culture water environment wireless monitoring system and method |
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| TWI490812B (en) * | 2012-11-01 | 2015-07-01 | Univ Far East | System and method for monitoring the growth of |
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| CN103648185A (en) * | 2013-11-18 | 2014-03-19 | 天津工业大学 | Sink node of water environment wireless sensing monitoring network |
| CN103792330A (en) * | 2014-01-25 | 2014-05-14 | 安徽理工大学 | Wireless sensing water quality monitoring and early warning system |
| CN104216357A (en) * | 2014-06-06 | 2014-12-17 | 安徽润谷网络科技有限公司 | Wireless aquaculture monitoring system |
| CN105320164A (en) * | 2015-06-30 | 2016-02-10 | 湖州师范学院 | Water body oxygen content dynamic constraint handling and layering control method |
| CN105320164B (en) * | 2015-06-30 | 2018-02-27 | 湖州师范学院 | Oxygen content of water dynamic constrained handles hierarchical control method |
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