CN205912082U

CN205912082U - Intelligence thing networking meteorological parameter perception terminating set

Info

Publication number: CN205912082U
Application number: CN201620299755.0U
Authority: CN
Inventors: 顾相平; 王晓燕; 常波
Original assignee: Huaiyin Institute of Technology
Current assignee: Huaiyin Institute of Technology
Priority date: 2016-04-08
Filing date: 2016-04-08
Publication date: 2017-01-25
Anticipated expiration: 2026-04-08

Abstract

The utility model relates to an intelligence thing networking meteorological parameter perception terminating set, sensor module 1, processor module 2, wireless communication module 3 and power module 4 constitute, wherein sensor module 1 includes temperature and humidity sensor 11, the wind speed sensor 12, rain sensor 13 and baroceptor 14, do you use zigBee pro agrees ad hoc networks, to the humiture, atmospheric pressure, the wind speed, data acquisition is carried out to wind direction and rainfall parameter, wireless transmission and receipt. The utility model relates to an intelligence thing networking meteorological parameter perception terminating set can solve current weather station and adopt manual method or wire mode to carry out meteorological parameter perception that data acquisition brought expensive, low rate of accuracy scheduling problem as a result, has wirelessly from network deployment, low cost, the nimble advantages such as installation, high quality, anti -interference, strong scalability, data real -time and high reliability of arranging.

Description

A kind of Intelligent internet of things meteorologic parameter perception terminal device

First, technical field

A kind of the utility model Intelligent internet of things meteorologic parameter perception terminal device belongs to internet of things field, is related to one Plant Intelligent internet of things meteorologic parameter perception terminal device.

2nd, background technology

At present, the intelligent weather station that meteorological department is adopted, can use gprs wireless communications mode, main control module mostly Using embedded technologys such as arm, but between sensor and main control module, majority adopts the wired communication interface such as rs485, can, And the problems such as the inconsistent Maintenance Difficulty that result in intelligent weather station of these interfaces, expansible difference, upgrade cost height it is difficult to Use in long-range monitoring field.Therefore, a kind of Intelligent internet of things of the utility model meteorologic parameter perception terminal device, adopts Short-distance wireless communication Zigbee-technology, closely collects the meteorologic parameter information such as humiture, wind speed and direction, rainfall, air pressure simultaneously Self-organizing network is transmitted to ipc monitor center by gprs gateway remote, meets intelligent gas as parameters remote monitoring Require, high degree facilitates the work of meteorological department, improve the operating efficiency of administrative department.

3rd, technology contents

(1) goal of the invention

The purpose of this utility model be overcome prior art to install, wired deployment difficult, maintenance cost is high, reliability and can Autgmentability difference the shortcomings of, develop a kind of Intelligent internet of things meteorologic parameter perception terminal device, have closely meteorologic parameter collection, Self-organizing network, the function of data remote monitoring monitoring, significantly lift informationization, the intelligence of current meteorological department management equipment Level can be changed.

(2) technical scheme

A kind of new Intelligent internet of things meteorologic parameter perception terminal device of this experiment is mainly by sensor assembly 1, processor Module 2, wireless communication module 3 and power module 4 form, and wherein sensor assembly 1 is passed by Temperature Humidity Sensor 11, wind speed and direction Sensor 12, rain sensor 13 and baroceptor composition.Build z-stack protocol stack under iar development platform, utilize Zigbee-pro protocol networking, using mesh network topological structure, it is possible to achieve point-to-point, broadcast, three kinds of different pieces of informations of multicast lead to Letter mode.Sensor assembly 1 is mainly responsible for humiture, wind speed and direction, rainfall and the collection of air pressure parameter information, in z-stack association View stack application layer writes information gathering source program and the wireless transmission collection of humiture, wind speed and direction, rainfall and baroceptor Data source program；Processor module 2 adopts cc2530 development platform, and its compatibility mac standard of ieee802.15.4, in chip On be integrated with radio-frequency module, flash memory and microcontroller.Wireless communication module 3 adopts the straight of 2.4ghz frequency range cc2530 Connect sequence spread spectrum RF transceiver, there is high sensitivity and interference free performance.Power module 4 adopts aat3221 to realize electricity Source current 5v to 3.3v voltage conversion, wherein 5v voltage provide power supply for device core board, and 3.3v is mainly sensor and carries For operating voltage, power module 4 is sensor assembly 1, processor module 2, wireless communication module 3 provide operating voltage.Sensing Device module 1 is directly electrically connected with processor module 2, and processor module 2 provides supports that jtag, uart download debugging, user Just, flexibly.

(3) technique effect

A kind of Intelligent internet of things meteorologic parameter perception terminal device be one kind merged wireless sensor network, Internet of Things, The multiple fields state-of-the-art technology device such as radio communication, sensor technology, the utility model all using communication, drops significantly Low existing meteorological department maintenance cost, improve intelligent, the information-based and automatization level of meteorological department's management.

A kind of use of the utility model Intelligent internet of things meteorologic parameter perception terminal device, will greatly improve domestic meteorology The application present situation in monitoring field, improves meteorological department's integrated management efficiency, promotes domestic intelligent meteorological system to portability With intelligent direction development, there is very wide application prospect.

4th, brief description:

Below in conjunction with the accompanying drawings the utility model is further illustrated.

Fig. 1 is the utility model theory diagram

Fig. 2 is the utility model processor base schematic diagram

Fig. 3 is the utility model humiture collection circuit theory diagrams

Fig. 4 is the utility model wind speed and direction Acquisition Circuit schematic diagram

Fig. 5 is the utility model rain collection circuit theory diagrams

Fig. 6 is the utility model power module schematic diagram

5th, specific embodiment

Below in conjunction with the accompanying drawings an embodiment of the present utility model is described further:

With reference to Fig. 1, Fig. 1 represents the theory diagram of the utility model device.The utility model is gathered by sensor assembly Humiture, wind speed and direction, rainfall and atmospheric pressure value, are changed to the data calibration of collection and necessary a/d by processor module, by Wireless communication module zigbee realizes wireless data transceiving.

With reference to Fig. 2, Fig. 2 represents utility model patent de-vice processor module base schematic diagram.Mainly adopt cc2530 core Chip centroid, meets zigbee specification, supports the requirement to low cost, low-power consumption for the 2.4ghz ism wave band application.It combines one High performance 2.4ghz Direct Sequence Spread Spectrum Communication RF transceiver and compact efficient 8051 controllers of technical grade.

With reference to Fig. 3, Fig. 3 represents utility model patent device humiture collection circuit theory diagrams.Mainly pass through amplifying circuit, Differential voltage is amplified, then carries out data acquisition and process through the ad pin of processor, thus obtaining corresponding temperature Value, so output pin meets the p of processor module base₁₂, p₁₃Pin.Sensor pt100 end as information gathering input, Amplifier end is as information gathering output end.The different temperature value of pt100 temperature sensor corresponds to different resistance values, now electric bridge Between produce voltage difference, thus producing one group of differential signal, this differential signal after mono- group of discharge circuit of lm324 amplifies, then Secondary output voltage after another group of discharge circuit, two grades of amplifications of generation, this magnitude of voltage is the collection of processor ad pin Magnitude of voltage.The reference voltage formula of lm324 is vout=vin (r₇/r₅+1)×(r₉/r₁₀+ 1), multiplication factor illustrates: such as Fruit r₅Resistance value be 10k ω, r₇Resistance value be 50k ω, then first order multiplication factor is 1+r₇/r₅=6, if r₉Resistance It is worth for 5k ω, r₁₀Resistance value be 5k ω, then second level multiplication factor is 1+r₉/r₁₀=2, then the total multiplication factor of this circuit be 6 × 2=12 times.

With reference to Fig. 4, Fig. 4 represents utility model device wind speed and direction Acquisition Circuit schematic diagram.The sensing unit of wind transducer Part is weathercock board component, and angular transformation circuit adds photoelectric circuit for Gray's code-disc.When weathercock version rotates with the change of wind direction When, drive Gray code disc spins, often rotate a unit angle, photoelectric conversion circuit just can export one group of Gray's code value, one It is 7 altogether, export the pin of processor after shaping circuit shaping, this seven corresponding pins are connected to processor die The p of block base₀₀～p₀₆Pin.360 ° altogether of wind direction, 360 ° is carried out 128 deciles, the resolution ratio that can obtain wind direction is 360 °/128=2.815 °；The p of air velocity transducer processor of interface connection module base₁₀, p₁₁Pin.

With reference to Fig. 5, Fig. 5 represents utility model device rain collection circuit theory diagrams.The signal of rain sensor is switch Signal, sensor adopts the optocoupler of tlp521-1 model, can be by rain sensor signal and collector signal isolation, to drop Low signal-to-noise ratio, isolates noise.Two pin one end ground connection of this sensor, a termination+5v power supply.

With reference to Fig. 6, Fig. 6 represents the power module schematic diagram of utility model device.Power module adopts two kinds of power supply modes, A kind of dry cell power supply mode.1 pin of battery case is connected with 1 pin of self-lock switch button k1 and 6 pin, and battery case 2 pin is grounded；From 2 pin of lock-switch connect+3.0v voltage, and the pull-up resistor that 5 pin connect 500 reconnects light emitting diode ground connection；3 pin, 4 pin are all connected to 5 pin of aat3221 voltage stabilizing chip are simultaneously grounded by 1uf filter capacitor, and 4 pin are in vacant state, 2 pin ground connection, and 1 pin is+5v electricity Pressure input, 3 pin are also connected on+5v voltage for Enable Pin, and height is flat effectively；The 2 of supply socket, 3 pin ground connection, 1 pin connects aat3221 core The input pin 1 of piece.

Claims

1. a kind of Intelligent internet of things meteorologic parameter perception terminal device it is characterised in that: device mainly by sensor assembly (1), Processor module (2), wireless communication module (3) and power module (4) composition, wherein sensor assembly (1) is mainly by humiture Sensor (11), wind speed wind direction sensor (12), rain sensor (13) and baroceptor (14) composition.

2. a kind of Intelligent internet of things meteorologic parameter perception terminal device according to claim 1 it is characterised in that: sensor Temperature Humidity Sensor (11) in module (1) is made up of temperature sensor and humidity sensor；Temperature sensor uses platinum RTD, its principle be according to the resistance of RTD vary with temperature once linear trend principle come temperature of the measurement value 's；Humidity sensor in sensor assembly (1) is to be combined together the RTD of temperature sensor and humidity sensor, wet Degree sensor uses Humidity-Sensitive Capacitance Sensor.

3. a kind of Intelligent internet of things meteorologic parameter perception terminal transposition according to claim 1 it is characterised in that: sensor Wind speed wind direction sensor (12) in module (1) is made up of wind transducer and air velocity transducer, and wind transducer adopts zqz- Tf series air velocity transducer；Wind transducer is by weathercock plate, seven Gray's code-discs, infrarede emitting diode and phototriode Composition.

4. a kind of Intelligent internet of things meteorologic parameter perception terminal device according to claim 1 it is characterised in that: sensor Rain sensor (13) in module (1) uses sl3-1 type rain sensor, and this sensor is by rain gage bucket and measurement equipment Composition, using tipping bucket type counting method.

5. a kind of Intelligent internet of things meteorologic parameter perception terminal device according to claim 1 it is characterised in that: sensor Baroceptor (14) in module (1) uses ptb22 type baroceptor, and the type sensor is full offset-type numeral Baroceptor.

6. a kind of Intelligent internet of things meteorologic parameter perception terminal device according to claim 1 it is characterised in that: processor Module (2) adopts 8051 microcontrollers of cc2530, and sensor assembly (1) is directly electrically connected with processor module (2)； Wireless communication module (3) adopts the rf RF transceiver of cc2530, supports 2.4ghz ieee802.15.4 standard.

7. a kind of Intelligent internet of things meteorologic parameter perception terminal device according to claim 1 it is characterised in that: power supply mould Block (4) adopts two kinds of power supply modes for device, and one kind is dry cell power supply, and one kind is external power supply power supply mode, and it provides 5v With two kinds of operating voltages of 3.3v, mainly adopt chip aat3221,5v voltage conversion is become 3.3v voltage.