CN205428173U - Ecological water literary composition data acquisition system based on zigBee - Google Patents

Abstract

The utility model provides an ecological water literary composition data acquisition system based on zigBee, includes a plurality of routes group that comprises a plurality of consecutive routing node, and the routing node of one end links to each other with the coordinator node in the route group, and the routing node of the other end links to each other with the multiple terminals node, and the coordinator node meets with the monitor terminal signal, terminal node includes the 3rd power module, and the 3rd power module meets with LED lamp, the 3rd JTAG debugging port, third clock circuit, sensor module and the 3rd control chip respectively, and the 3rd control chip meets with LED lamp, the 3rd JTAG debugging port, third clock circuit and sensor module respectively. This data acquisition system can long -range wireless collection and shown the civilian data of ecological water various environment under in real time, reflects information such as precipitation, quality of water on the spot, and monitoring hydrographic information that can be has on a large scale played fine promotion and reference function to hydrology monitoring technology's development, has great practical value and spreading value.

Description

A kind of Eco-hydrological data collecting system based on ZigBee

Technical field

This utility model belongs to Eco-hydrological technical field, relates to the Eco-hydrological data acquisition under a kind of complex environment and the Environment Monitoring System in earth table system, particularly to a kind of Eco-hydrological data collecting system based on ZigBee.

Background technology

The geographical environment of Eco-hydrological data monitoring is located in remote, monitoring position relative distribution, and area coverage is wide, monitoring information kind is many, and mobility is big, and traditional wired mode transmission information can be relatively difficult, need bigger man power and material's cost, and be easily subject to destroy, stability the highest.

Summary of the invention

The purpose of this utility model is to provide a kind of Eco-hydrological data collecting system based on ZigBee, the Eco-hydrological data under various environment can be gathered by long distance wireless, water regimen data information under display current adverse environment in real time, including soil moisture content, the soil moisture, soil pH value, and then reflect the information such as precipitation, water quality on the spot.

For achieving the above object, this utility model be the technical scheme is that a kind of Eco-hydrological data collecting system based on ZigBee, including multiple group of routes, each group of routes is formed by multiple routing nodes being sequentially connected, the routing node being positioned at one end in group of routes is connected with coordinator node, the routing node being positioned at the other end in this group of routes is connected with multiple terminal nodes, coordinator node is connected with monitoring terminal by signal by wireless communication module, and coordinator node uses ZigBee coordinator node；

Described terminal node includes the 3rd power module, 3rd power module connects with LED, the 3rd JTAG debugging port, the 3rd clock circuit, sensor assembly and the 3rd control chip respectively, and the 3rd control chip connects with LED, the 3rd JTAG debugging port, the 3rd clock circuit and sensor assembly respectively.

This utility model data collecting system radio sensing network based on ZigBee technology, it is made up of terminal node, routing node and coordinator node three grades, Eco-hydrological data message on the spot can be shown in real time, and cheer and bright on host computer current various hydrographic data situations of change can be seen.This system is equivalent to a micro embedded system, has perception, the function such as process, store and communicate.The power supply mode of this acquisition system has battery to power and solar powered two kinds；Part of nodes in system also has relaying and forwarding capability, plays a part route, in addition to data acquisition process, also to process other node and forward the data of coming.All nodes of monitored area constitute wireless network in an ad-hoc fashion, and in multi-hop relay mode, data are passed to coordinator node module；The ability of coordinator node each side is the strongest, shows the process of data, storage aspect, and and the communication capacity aspect of other nodes, therefore use fixed power source to power, to guarantee the reliability of system.Coordinator module is also responsible for the hydrographic information that collected by sensor assembly by Serial Port Transmission to host computer, to operate further.

Accompanying drawing explanation

Fig. 1 is the population structure schematic diagram of this utility model data collecting system.

Fig. 2 is the structured flowchart of coordinator node in this utility model data collecting system.

Fig. 3 is the structured flowchart of this utility model data collecting system routing nodes.

Fig. 4 is the structured flowchart of terminal node in this utility model data collecting system.

In figure: 1. coordinator node, 2. routing node, 3. terminal node, 4. monitor terminal, 5. wireless communication module, 6. the first power module, 7. the first LCD display module, 8. a JTAG debugs port, 9. serial port module, 10. the first clock circuit, 11. first control chips, 12. second source modules, 13. second LCD display module, 14. the 2nd JTAG debug port, 15. second clock circuit, 16. second control chips, 17. the 3rd power modules, 18.LED lamp, 19. the 3rd JTAG debug port, 20. the 3rd clock circuits, 21. sensor assemblies, 22. the 3rd control chips.

Detailed description of the invention

With detailed description of the invention, this utility model is described in detail below in conjunction with the accompanying drawings.

As shown in Figure 1, this utility model data collecting system, including multiple group of routes, each group of routes is formed by multiple routing nodes 2 being sequentially connected, the routing node 2 being positioned at one end in group of routes is connected with coordinator node 1, the routing node 2 being positioned at the other end in this group of routes is connected with multiple terminal nodes 3, and coordinator node 1 is connected with monitor terminal 4 by wireless communication module 5, and coordinator node 1 uses ZigBee coordinator node.

As in figure 2 it is shown, the coordinator node 1 in this utility model data collecting system, including the first power module 6, the first power module 6 is fixed power source；First power module 6 connects with the first LCD display module the 6, the oneth JTAG debugging port 7, serial port module the 8, first clock circuit 9 and the first control chip 10 respectively, and the first control chip 10 connects with the first LCD display module 6, JTAG debugging port 7, serial port module 8 and the first clock circuit 9 respectively；Coordinator node 1 is connected with wireless communication module 5 by serial port module 8.

Wireless communication module 5 uses RS-232 serial communication module or RS-485 serial communication module.

Serial port module 8 uses the PL2303 interface chip of Polific company, and this interface chip provides a RS232 full duplex asynchronous serial communication device and USB functional interface the convenient solution being connected.There is compatible strong, the rate of information throughput height, stable performance, the capacity of resisting disturbance feature such as by force.

As shown in Figure 3, routing node 2 in this utility model data collecting system, including second source module 12, second source module 12 connects with the second LCD display module the 13, the 2nd JTAG debugging port 14, second clock circuit 15 and the second control chip 16 respectively, and the second control chip 16 connects with the second LCD display module the 13, the 2nd JTAG debugging port 14 and second clock circuit 15 respectively.

Second source module 12 uses accumulator or solaode.

As shown in Figure 4, terminal node 3 in this utility model data collecting system, including the 3rd power module 17,3rd power module 17 connects with LED the 18, the 3rd JTAG debugging port the 19, the 3rd clock circuit 20, sensor assembly 21 and the 3rd control chip 22 respectively, and the 3rd control chip 22 connects with LED the 18, the 3rd JTAG debugging port the 19, the 3rd clock circuit 20 and sensor assembly 21 respectively.

3rd power module 17 uses accumulator or solaode.

Sensor assembly 21 includes soil temperature sensor, Temperature Humidity Sensor and soil pH value sensor.Soil temperature sensor uses water proof type temperature sensor DS18B20, and DS18B20 internal structure mainly has temperature sensor module, A/D converter, signal processor, memorizer and interface circuit five part.It is accurate that it is mainly characterized by temperature survey, and the resolution to temperature is 0.5 DEG C, measures scope wide, measurement scope can be from-55 DEG C to+125 DEG C, single bus interface, only need an interface can complete the read-write operation of temperature transition, circuit can be simplified, save I/O resource, improve economy；The temperature information digitized that system can will monitor, uses 9 bit digital modes to directly read temperature, and its typical case's conversion time is only 1s.Temperature Humidity Sensor uses water proof type Temperature Humidity Sensor DHT11, and soil pH value sensor uses sensor WQ201.These three kinds of sensors are all the sensors being widely used under complex environment, are entirely capable of meeting Soil Temperature And Moisture degrees of data and the function of pH value data acquisition under complex environment.

First control chip the 11, second control chip 16 and the 3rd control chip 22 all use the SOC of CC2530F256 a new generation of TI company, and this chip uses 40 foot QFN encapsulation, and major part has CPU, memorizer, RF transceiver and other peripheral hardwares.Chip internal is integrated with enhancement mode 8051 microcontroller core of a high-performance, low-power consumption, and chip memory is the ROM of RAM and 256KB of 8KB, and RF transceiver is the standard radio frequency antenna of a 2.4G.This chip not only supports IEEE802.15.4 standard, and has quick data-handling capacity, powerful receiving and transmitting front end, abundant peripheral hardware and significantly low-power consumption, it is possible to be perfectly suitable in the hydrographic data acquisition system that environment is more severe.

First LCD display module 7 and the 2nd LCD13 all uses 12864 display modules, the 128 × 64 of this display module band Chinese word library are often shielded can show that 4 row 8 arrange the Chinese character of totally 32 16 × 16 dot matrix, it is that one has 4/8 parallel-by-bits, 2 lines or 3 line serial multiple interfaces modes, internal containing GB one-level, the dot-matrix lcd module of two grades of simplified form of Chinese Character character libraries；Its display resolution is 128 × 64, built-in 8192 16 × 16 Chinese characters and 128 16 × 8 ascii character-sets.The Chinese character of 8 × 4 row 16 × 16 dot matrix can be shown. also can complete figure and show.The water regimen data information processed via processor is shown by 12864 display modules on its screen, and attendant can observe hydrographic data situation on the spot more intuitively.

Development and the maturation of ZigBee technology along with wireless sensor module network, gradually applied in hydrologic monitoring field, disclosure satisfy that hydrologic monitoring informationization, the demand of networking, there is the features such as low-power consumption, low cost, easy to use, high reliability, hydrographic information can be monitored on a large scale, and solving many application demands, the development to hydrologic monitoring technology from now on serves well promotion and reference function.

This utility model data collecting system is that technology of wireless sensing network based on ZigBee technology is realized, whole system uses stelliform connection topology configuration, and the simple and reliable property of networking is good, when a certain link breaks down, only affect the node of this road subordinate, and fault is easily repaired.

Terminal node 3 the most specifically maintains the responsibility of network structure, and it can be slept or wake up up, as such, it can be that an accumulator or solar power supply unit.Generally, terminal unit is smaller to memory space (needs of particularly RAM).Main responsible by various sensor acquisition Eco-hydrological data.All of terminal node 3 will carry out the collection of soil moisture, the soil moisture, soil pH value, and the multiple signals collected by terminal node 3 issue the routing node 2 of ZigBee-network after treatment, again by routing node 2 by ZigBee wireless network transmissions to coordinator node 1, then by coordinator node 1, information passed through wireless communication module 5 and passes to monitor terminal 4(and be usually computer).The data message seeing soil and water at the most each node intuitively can be understood by monitor terminal 4, and then reflect the Eco-hydrological situation in a local panel region.

Routing node 2 mainly allows other equipment to add network, the communication of the battery-powered terminal unit of multihop routing and assistance its own.Meanwhile, the function of routing node 2 can also be extended, if adding sensor assembly, the partial function of this sensor assembly is transplanted to routing node 2, and at this moment, the function of routing node 2 can be equivalent to again a terminal node 3, it is also possible to carries out the collection of data.

Coordinator node 1 is responsible for starting whole network.It is also first equipment of network.Coordinator selects a channel and a network ID, the whole network of subsequent start-up.Coordinator may also be used for the binding (bindings) assisting to set up safety in network layer and application layer.The role of coordinator relates generally to the startup of network and joins.After once these all complete, the work of coordinator is just as a router.Due to the distribution character of ZigBee-network itself, the operation of the most following whole network just eliminates the reliance on whether coordinator exists.

Owing to data acquisition system to work under the conditions of extremely low temperature, general real-time clock cannot ensure the accuracy of its clock.And whole system is higher to the requirement of time, thus the low temperature resistant real-time timepiece chip DS1302 that system uses DALLAS company of the U.S. provides a system to time reference.

The operation principle of coordinator node 1 be by coordinator node 1, the real time information sent by each routing node 2 is processed by control chip after, storage is to chip-stored unit, and by RS232, real time information passes to monitor terminal 4.

This utility model data collecting system is the long distance wireless data system based on ZigBee technology of Eco-hydrological data acquisition under complex environment.The real time information data received is passed to coordinator node 1 by wireless network transmissions to the second control chip 16, routing node 2 by the hydrographic data real time information that soil temperature sensor, soil temperature-moisture sensor, soil pH value sensor acquisition are arrived by terminal node 3.The real time information that each terminal node 3 is collected by the first control chip 6 in coordinator node 1 processes, and result is stored in memorizer, and by wireless communication module 5, real time information passes to monitor terminal 4.This Eco-hydrological data collecting system security reliability, accuracy are high, real-time, and are easily maintained, and have bigger practical value and promotional value.

Claims (5)

1. A ZigBee-based eco-hydrological data acquisition system is characterized in that it comprises a plurality of routing groups, and each routing group is composed of a plurality of routing nodes (2) connected successively, and the routing node (2) at one end in the routing group 2) Connected to the coordinator node (1), the routing node (2) at the other end of the routing group is connected to multiple terminal nodes (3), the coordinator node (1) communicates with the monitoring terminal through the wireless communication module (5) (4) Signal connection, coordinator node (1) ZigBee coordinator node; The terminal node (3) includes a third power module (17), the third power module (17) is connected to the LED light (18), the third JTAG debugging port (19), the third clock circuit (20), the sensor The module (21) and the third control chip (22) are connected, and the third control chip (22) is respectively connected to the LED light (18), the third JTAG debugging port (19), the third clock circuit (20) and the sensor module ( 21) Connect. 2. The ZigBee-based eco-hydrological data acquisition system according to claim 1, wherein the coordinator node (1) includes a first power module (6), and the first power module (6) is a fixed power supply ; The first power supply module (6) is connected to the first LCD display module (6), the first JTAG debugging port (7), the serial port module (8), the first clock circuit (9) and the first control chip (10) respectively connected, the first control chip (10) is respectively connected with the first LCD display module (6), JTAG debugging port (7), serial port module (8) and the first clock circuit (9); the coordinator node (2) passes The serial port module (8) is connected with the wireless communication module (5). 3. The ZigBee-based ecohydrological data acquisition system according to claim 1, characterized in that, the routing node (2) includes a second power module (12), and the second power module (12) is connected to the second The LCD display module (13), the second JTAG debugging port (14), the second clock circuit (15) and the second control chip (16) are connected, and the second control chip (16) is respectively connected to the second LCD display module (13 ), the second JTAG debugging port (14) and the second clock circuit (15) are connected. 4. The ZigBee-based ecohydrological data acquisition system according to claim 1, characterized in that the sensor module (21) includes a soil temperature sensor, a temperature and humidity sensor and a soil pH sensor. 5. the ecological hydrological data acquisition system based on ZigBee according to claim 4, is characterized in that, described soil temperature sensor adopts waterproof temperature sensor DS18B20; Temperature and humidity sensor adopts waterproof temperature and humidity sensor DHT11, and soil pH value sensor Using sensor WQ201.