CN206557407U - A kind of meteorological information acquisition node based on car networking - Google Patents
A kind of meteorological information acquisition node based on car networking Download PDFInfo
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- CN206557407U CN206557407U CN201720250366.3U CN201720250366U CN206557407U CN 206557407 U CN206557407 U CN 206557407U CN 201720250366 U CN201720250366 U CN 201720250366U CN 206557407 U CN206557407 U CN 206557407U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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Abstract
The utility model discloses a kind of meteorological information acquisition node based on car networking, including some terminal intelligent nodes for being arranged on highway both sides and the vehicle intelligent node travelled on a highway, it is made up of respectively meteorological information acquisition module, message processing module and information transmission modular on vehicle intelligent node and terminal intelligent node, the weather information that message processing module gathers meteorological information acquisition module is transmitted to RSMC by information transmission modular.Make full use of thermometric hygrometric and wireless communication function that present automobile generally has, during with reference to driving, the On The Problems of Visibility run into real time, the collection of temperature, humidity and this kind of local meteorological data of visibility is combined with running car, form vehicle intelligent node so that the meteorological data of collection is more without dead angle, system-wide section laminating.Reduce the workload of terminal intelligent node measurement meteorological data and layout quantity, solve that existing meteorological acquisition technique high energy consumption, the degree of accuracy be low, ageing low deficiency.
Description
Technical field
The utility model is related to a kind of meteorological information acquisition node, and in particular to a kind of weather information based on car networking is adopted
Collect node.
Background technology
Car networking is the emerging information network that vehicle is interconnected with vehicle, the every terms of information of its comprehensive acquisition vehicle of energy
Calculating, processing and the secure and trusted transmission of perception data are realized simultaneously, reach the real-time, interactive and shared purpose of information of vehicles.
In recent years, along with the progress of science and technology, especially intelligence sensor, radio frequency identification（RFID）, integrated circuit, wireless communication networks
The fast development of the multiple technologies such as network, cloud computing, application of the car networking in multiple fields such as national defence, meteorology, traffic control, medical treatment
Obtain extensive concern.
From ancient times to the present, meteorological condition is all closely related with daily life always.It is used as the typical generation of Modern Traffic
Table, highway is extremely sensitive to meteorological condition, and weather condition is varied slightly, it is possible to vehicle traveling is produced very big
Influence.Investigation display, the whole world is average just to have ten tens of thousands of people to be died due to traffic accident for 1 year, wherein weather reason directly or
Indirect traffic accident ratio is up to 1/4.
So, collection and monitoring to Road Weather condition are that highway being capable of the unimpeded reliable basis of held stationary.
Weather monitoring is a long-range process, the especially particularity in face of road traffic, and the new technique of emergence can be continuous
Development in terms of promoting accuracy of detection and being ageing, this is accomplished by being improved and optimizing for present technological deficiency.
Utility model content
To solve the deficiencies in the prior art, the purpose of this utility model is to provide a kind of being applicable based on car networking technology
In the automatic meteorological information acquisition system of large scale deployment.
In order to realize above-mentioned target, the utility model is adopted the following technical scheme that：
A kind of meteorological information acquisition node based on car networking, including some terminal intelligence for being arranged on highway both sides
Respectively by gas on node and the vehicle intelligent node travelled on a highway, the vehicle intelligent node and terminal intelligent node
Image information acquisition module, message processing module and information transmission modular composition, described information processing module is by meteorological information acquisition
The weather information of module collection is transmitted to RSMC by information transmission modular.
Above-mentioned terminal intelligent node is received by information transmission modular after the weather information of vehicle intelligent node, integrates terminal
The weather information of intelligent node collection, is transmitted to RSMC by information transmission modular.
Between above-mentioned vehicle intelligent node, weather information is mutually received by information transmission modular.
Above-mentioned meteorological information acquisition module include temperature sensor, humidity sensor, air velocity transducer, wind transducer,
Baroceptor, rain sensor, visibility sensor.
Further, above-mentioned rain sensor, air velocity transducer, wind transducer, baroceptor are arranged on terminal intelligence
On energy node.Rainfall, wind speed, wind direction, air pressure are that a wide range of class is meteorological, therefore using fixed point measurement.
Further, said temperature sensor, humidity sensor, visibility sensor are arranged on vehicle intelligent node.
The many factors such as temperature, humidity, visibility are by afforesting, air pollution, city side suburb, the burning of zero when property balloonflower root are influenceed, and are local
Small range is meteorological, therefore is fixed on measurement in mobile vehicle.
Above-mentioned weather information includes temporal information and location information.
Above-mentioned highway both sides are provided with some gateway nodes, and the vehicle intelligent node and/or terminal intelligent node lead to
Information transmission modular is crossed, is transmitted through gateway node to RSMC.
It is of the present utility model to be beneficial in that：
A kind of meteorological information acquisition node based on car networking of the present utility model, makes full use of present automobile generally to have
Thermometric hygrometric and wireless communication function, during with reference to driving, the On The Problems of Visibility run into real time, by temperature, humidity and visibility
The collection of this kind of local meteorological data is combined with running car, forms vehicle intelligent node so that the meteorological data of collection is more
Plus without dead angle, system-wide section laminating.
Further, reduce the workload of terminal intelligent node measurement meteorological data and layout quantity, only need to for rainfall,
The meteorological gathered data of a wide range of class of wind speed, wind direction, air pressure.
Meteorological collection and the combination of car networking theory of highway, the deployment of meteorology collection intelligent node, which improves, to be solved now
The meteorological acquisition technique high energy consumption that has, the degree of accuracy are low, ageing low deficiency.Carried out data transmission using wireless communication technology,
Cost is reduced using cable communication relative to tradition, energy utilization rate is improved.
Brief description of the drawings
Fig. 1 is a kind of application schematic diagram of the meteorological information acquisition node based on car networking of the present utility model.
Fig. 2 is the structural representation of intelligent node of the present utility model.
Fig. 3 is 5V power circuit diagrams of the present utility model.
Fig. 4 is 12V power circuit diagrams of the present utility model.
Fig. 5 is message processing module single chip computer AT mega16 major peripheral circuit diagrams in embodiment of the present utility model.
Fig. 6 is information transmission modular CC2430 chip major peripheral circuit diagrams in embodiment of the present utility model.
The implication marked in accompanying drawing is as follows：1st, terminal intelligent node, 2, vehicle intelligent node.
Embodiment
Make specific introduce to the utility model below in conjunction with the drawings and specific embodiments.
A kind of meteorological information acquisition node based on car networking, including some terminal intelligence for being arranged on highway both sides
Node 1 and the vehicle intelligent node 2 travelled on a highway；Highway both sides are provided with some gateway nodes.
Respectively by meteorological information acquisition module, message processing module and letter on vehicle intelligent node 2 and terminal intelligent node 1
Cease transport module composition, the weather information that message processing module gathers meteorological information acquisition module by information transmission modular,
Transmitted through gateway node to RSMC.
Meteorological information acquisition module includes rain sensor, air velocity transducer, the wind direction being arranged on terminal intelligent node 1
Sensor, baroceptor；With the temperature sensor on vehicle intelligent node 2, humidity sensor, visibility sensor.
Weather information includes temporal information and location information.
Embodiment 1
Terminal intelligent node 1 and the separate operation of vehicle intelligent node 2.
Terminal intelligent node 1, message processing module by the rainfall comprising when and where information of collection, wind speed, wind direction,
Air pressure weather information, is transmitted to RSMC by information transmission modular through gateway node.
Vehicle intelligent node 2, message processing module by the temperature comprising when and where information of collection, humidity, can see
Weather information is spent, is transmitted by information transmission modular through gateway node to RSMC.
RSMC, excludes same time and the redundant data in identical place, using when and where as transverse and longitudinal coordinate, makes
The whole express highway section of all standing, the overall meteorology comprising rainfall, wind speed, wind direction, air pressure, temperature, humidity, visibility is believed
Breath figure.Available for real-time early warning fastlink meteorology, statistical analysis weather law is can also be used for, it is improper to part meteorological existing
As making to improve policy to property.
Embodiment 2
Terminal intelligent node 1 and the synthetic operation of vehicle intelligent node 2.
Between vehicle intelligent node 2, by information transmission modular, mutually receiving includes weather information, because of vehicle intelligent section
Point 2 is excessive, causes excessive information overlap, the message processing module of vehicle intelligent node 2, excludes same time and identical place
Redundant data.
When vehicle intelligent node 2 passes by terminal intelligent node 1, by information transmission modular, by above-mentioned some time and
Place section, comprising temperature, humidity, visibility atmospheric information, passes to terminal intelligent node 1.
Terminal intelligent node 1 combines the rainfall comprising when and where information, wind speed, wind direction, the air pressure gas being collected locally
Image information, the information that same excessive vehicle intelligent node 2 is transmitted, causes excessive information overlap, the information of terminal intelligent node 1
After processing module, the redundant data for excluding same time and identical place, by information transmission modular through gateway node transmit to
RSMC.
On the basis of the exclusion of above-mentioned 2 redundant datas, the meteorology that RSMC transmits to some terminal intelligent nodes 1
After information, the redundant data that same time and identical place are excluded again, the whole express highway section of all standing is made, is wrapped
Containing rainfall, wind speed, wind direction, air pressure, temperature, humidity, visibility overall weather information figure.
When specifically used：
Same time and identical place can be set to certain deviation, in deviation range, be defaulted as the same time and
Same place.
The power module of terminal intelligent node 1, based on solar storage battery, supplemented by lithium battery, it is to avoid seasonal many
Day it is overcast and rainy, cause solar storage battery to exhaust electric power.The power module of vehicle intelligent node 2, using the power electric of automobile
Source.
Specific that the voltage of lithium battery is risen into 5V using MAX756 chips, 5V power principle figures are as shown in Figure 3.Using
Voltage is risen to 12V by MC34063 boost modules, and MC34063 is ambipolar DC-DC integrated circuits, and cost is low, circuit is simple, defeated
Use peripheral cell few when going out adjustable voltage, composition booster converter, can be good at completing boosting task, 12V boosting principles
Figure is as shown in Figure 4.Appropriate regulation resistance R22 and R23 resistance, it is possible to obtain desired magnitude of voltage.This power supply mode was both
Energy supply required for being provided for meteorological information acquisition node, has saved energy consumption again, is a kind of to be especially suitable for car networking
Power supply mode.
Information acquisition module is made up of the sensor node of different acquisition principle and structure, needs to adopt under highway environment
The weather information of collection has seven big key elements：Temperature, humidity, precipitation, wind speed, wind direction, air pressure, visibility.Various types of sensors
The different signal conditioning circuit of correspondence, while the different types of output signal of correspondence.
Temperature carries out temperature as most basic meteorological element in the utility model using DS18B20 digital temperature sensors
Degree detection, monobus characteristic unique DS18B20 causes in communication, it is only necessary to a port, convenient and reliable operation
Height, cost is low.Humidity is affected by temperature to a certain extent, so using the digital sensor DHT11 of humiture one,
Her temperature-measuring range can not reach subzero, but high to the measurement stability of humidity, it is by resistance-type humidity sensing element and NTC groups
Into, circuit side connector is just succinct, and microprocessor one I/O mouthfuls connection, realize the communication of single bus data form.
Air velocity transducer uses cup-shaped optoelectronic switch formula, sensor work in the environment of -40 DEG C -50 DEG C ,≤100%RH
Make, can reach 0-68m/s measurement range, output pulse signal is connected to the PD6 mouths of single-chip microcomputer, enters the survey of line frequency
Amount, you can be finally inversed by air speed value.
The I/O mouths connection of wind transducer and single-chip microcomputer, the Gray code into single-chip microcomputer is converted into binary system output.Wind
The vehicle operating information COMPREHENSIVE CALCULATING in combination with importing is needed to draw to the collection of wind speed, and with static intelligent road section
Point data is defined.
The ambient pressure for needing to measure is changed into magnitude of voltage by baroceptor MPX4105 first, is then produced by V/F circuits
The raw pulse train corresponding with voltage magnitude, atmospheric pressure value is drawn by the frequency for measuring pulse train.
Intelligent road node uses the tipping bucket rain gauge of extensive utilization, and tipping bucket is overturn once, just passes through tongue tube
Pulse signal is converted into, then is sent to ATmega16 and is acquired, a pulse signal represents 0.2mm precipitation, by measuring arteries and veins
Rush the frequency of signal, it is possible to measure precipitation.
The measurement of visibility is more and more important, and the utility model uses forward scattering type CN10, M317368 visibility measurement
Instrument, its structure is good compared with simple, stability, reliability is high, using infrared light supply, is sampled as the particular sample volume of cross section.
Message processing module uses the AVR single chip ATmega16 of atmel corp.ATmega16 be high-performance, low-power consumption,
Possess the CMOS microcontrollers of 8 risc architectures of 1MIPS/MHz data transfer rates, operating voltage is 4.5 ~ 5.5V, with 16K bytes
SRM, 32 general purpose I/O registers in In-System Programmable Flash, the piece of 512 byte EEPROM, 1K bytes.Three timing/meters
Number device（T/C）：2 possess independent pre-divider and comparator function 8 bit timing devices；1 has pre-divider, comparing function
With 16 bit timing devices of capture function, also with 6 kinds of sleep patterns.To extend the lifetime of sensor node, micro- place is being selected
When managing type, to choose small power consumption, arithmetic speed it is fast and can dormant mode support processor.Due in signal acquisition
During, the collection of visibility is needed by Serial Port Transmission information, in order to checking information transmit quality, it is necessary to LCD and number
Pipe is shown, so peripheral circuit includes：RS232 serial communications；LCD liquid crystal displays；Charactron.Wherein in RS232 standards ,+3 ~+
15V represents that 0, -3 ~ -15V represent 1, it is necessary to realize that signal level is changed by MAX232；LCD then uses LCD1602 liquid crystals
Show；Charactron is using 4 common cathode charactrons.
Information transmission modular supports ZigBee by comprehensive analysis product and sensor node design method using TI companies
The CC2430 chips of agreement are realized.By ZigBee communication module, each monitoring node can set up wireless sense network, as long as
There is new monitoring node to enter the wireless sensing web area, wireless sense network can be led to the automatic identification monitoring node, ZigBee
Letter module can send the data that information acquisition module is collected to neighbouring gateway node, and gateway node transmits data to gas
As center.CC2430 uses the current loss under 0.18 μm of CMOS technology, transceiver mode to be respectively smaller than 27mA and 25mA.It has
Park mode, and only can switch to aggressive mode with the very short time, these features are applicable with being based on road In-vehicle networking very much
The low-power consumption requirement of weather monitoring, can greatly prolong battery life.CC2430 makes when sending and receiving radio frequency signal
With differential mode, optimal differential load is 115+j180 Ω.Circuit is provided chip local oscillation signal close to the inner portion, and biasing resistor R3 can
The electric current for being supplied to 32MHz crystal oscillators appropriate, 32MHz crystal oscillating circuits include 1 32MHz X1（Quartz resonator）；Two electric capacity
C12、C13.C1, C8, C10 make element manipulation more stable as the decoupling capacitor of power filter.CC2430 and single-chip microcomputer
Carried out data transmission between ATmega16 by USART serial ports.
The characteristics of the utility model system has broad covered area, reliability height, efficiency high, can greatly promote meteorologic factor
Automatic level monitoring, while realize quick transmission with it is shared, can be provided safeguard for the steady unimpeded operation of Curve of Freeway.
General principle of the present utility model, principal character and advantage has been shown and described above.The technical staff of the industry
It should be appreciated that above-described embodiment does not limit the utility model in any form, it is all by the way of equivalent substitution or equivalent transformation
The technical scheme obtained, all falls within protection domain of the present utility model.
Claims (8)
1. a kind of meteorological information acquisition node based on car networking, it is characterised in that be arranged on highway both sides including some
Terminal intelligent node and the vehicle intelligent node that travels on a highway, the vehicle intelligent node and terminal intelligent node
Upper to be made up of respectively meteorological information acquisition module, message processing module and information transmission modular, described information processing module is by gas
The weather information of image information acquisition module collection is transmitted to RSMC by information transmission modular.
2. a kind of meteorological information acquisition node based on car networking according to claim 1, it is characterised in that the terminal
Intelligent node is received by information transmission modular after the weather information of vehicle intelligent node, integrates the gas of terminal intelligent node collection
Image information, is transmitted to RSMC by information transmission modular.
3. a kind of meteorological information acquisition node based on car networking according to claim 1, it is characterised in that described vehicle-mounted
Between intelligent node, weather information is mutually received by information transmission modular.
4. a kind of meteorological information acquisition node based on car networking according to claim 1, it is characterised in that the meteorology
Information acquisition module includes temperature sensor, humidity sensor, air velocity transducer, wind transducer, baroceptor, rainfall and passed
Sensor, visibility sensor.
5. a kind of meteorological information acquisition node based on car networking according to claim 4, it is characterised in that the rainfall
Sensor, air velocity transducer, wind transducer, baroceptor are arranged on terminal intelligent node.
6. a kind of meteorological information acquisition node based on car networking according to claim 4, it is characterised in that the temperature
Sensor, humidity sensor, visibility sensor are arranged on vehicle intelligent node.
7. a kind of meteorological information acquisition node based on car networking according to claim 1, it is characterised in that the meteorology
Information includes temporal information and location information.
8. a kind of meteorological information acquisition node based on car networking according to claim 1, it is characterised in that the high speed
Both sides of highway is provided with some gateway nodes, and the vehicle intelligent node and/or terminal intelligent node pass through information transmission modular, warp
Gateway node is transmitted to RSMC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201720250366.3U CN206557407U (en) | 2017-03-15 | 2017-03-15 | A kind of meteorological information acquisition node based on car networking |
Applications Claiming Priority (1)
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| CN201720250366.3U CN206557407U (en) | 2017-03-15 | 2017-03-15 | A kind of meteorological information acquisition node based on car networking |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109377726A (en) * | 2018-10-29 | 2019-02-22 | 江苏大学 | A kind of expressway fog based on car networking accurately warns, inducible system and method |
| CN109752774A (en) * | 2018-06-05 | 2019-05-14 | 启迪云控(北京)科技有限公司 | Predictive meteorological methods, system based on vehicle behavior data |
| CN111198280A (en) * | 2020-01-10 | 2020-05-26 | 华为技术有限公司 | Wind speed detection method and device and wind speed detection equipment |
| CN111341118A (en) * | 2020-02-28 | 2020-06-26 | 长安大学 | System and method for early warning of mist on grand bridge |
-
2017
- 2017-03-15 CN CN201720250366.3U patent/CN206557407U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752774A (en) * | 2018-06-05 | 2019-05-14 | 启迪云控(北京)科技有限公司 | Predictive meteorological methods, system based on vehicle behavior data |
| CN109377726A (en) * | 2018-10-29 | 2019-02-22 | 江苏大学 | A kind of expressway fog based on car networking accurately warns, inducible system and method |
| CN109377726B (en) * | 2018-10-29 | 2020-07-31 | 江苏大学 | Expressway agglomerate fog accurate warning and inducing system and method based on Internet of vehicles |
| CN111198280A (en) * | 2020-01-10 | 2020-05-26 | 华为技术有限公司 | Wind speed detection method and device and wind speed detection equipment |
| CN111198280B (en) * | 2020-01-10 | 2022-01-11 | 华为技术有限公司 | Wind speed detection method and device and wind speed detection equipment |
| CN111341118A (en) * | 2020-02-28 | 2020-06-26 | 长安大学 | System and method for early warning of mist on grand bridge |
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Granted publication date: 20171013 Termination date: 20190315 |