CN113900159A - Beidou-based smart city vehicle-mounted meteorological acquisition monitoring device and method - Google Patents
Beidou-based smart city vehicle-mounted meteorological acquisition monitoring device and method Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/02—Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed
- G01W1/04—Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed giving only separate indications of the variables measured
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/14—Receivers specially adapted for specific applications
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- G—PHYSICS
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- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0212—Control of position or course in two dimensions specially adapted to land vehicles with means for defining a desired trajectory
- G05D1/0223—Control of position or course in two dimensions specially adapted to land vehicles with means for defining a desired trajectory involving speed control of the vehicle
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Abstract
The invention relates to a Beidou-based smart city vehicle-mounted weather acquisition monitoring device and method, which comprises a vehicle-mounted module and a weather monitoring module; the vehicle-mounted module comprises a microcontroller module, a Beidou positioning module, an NB-IoT communication module, a power supply module, a vibration module and a storage module; the vehicle-mounted module is started through vibration generated when a vehicle collected by the vibration module runs, the microcontroller module judges the current running speed through being connected with a vehicle wheel speed sensor, when the running speed is reduced by 0km/h, the Beidou positioning module positions location information, the meteorological monitoring module monitors meteorological data of the current positioning position, the collected meteorological data are stored in the storage module, and the collected meteorological data are uploaded to the smart city service terminal through the NB-IoT communication module after being processed by the microcontroller module. The method can provide a large amount of credible and accurate meteorological data for the smart city big data platform, promotes the construction of the smart city, meets urgent requirements of application environment, and has wide market prospect.
Description
Technical Field
The invention relates to the technical field of meteorological monitoring, in particular to a Beidou-based vehicle-mounted meteorological acquisition monitoring device and method for a smart city.
Background
31 days 7 and 7 in 2020, the Beidou third global satellite navigation system is formally opened, and the Beidou global networking is finished. The system has the capability of regional navigation, positioning and time service preliminarily, the positioning precision is decimeter and centimeter level, the speed measurement precision is 0.2 meter/second, and the time service precision is 10 nanoseconds. The Beidou application and the Beidou industrialization face the best historical opportunity period while facing new challenges, and the pattern and situation of the Beidou of 'good use on the ground and good use on the sky' are being created to be firm and solid!
Meanwhile, along with the rapid development of the economy of China, the construction of wisdom city also incorporates the national development strategy, meteorological data is as the indispensable data of wisdom city, there is very important effect, carry out to the mode that meteorological monitoring generally adopted fixed point to construct the meteorological station at present stage, it is very big to invest into later maintenance cost earlier, along with the construction of wisdom city big data simultaneously, the demand of current meteorological monitoring has not been satisfied to the city meteorological monitoring station that distributes sparsely, so adopt and also be the trend based on the on-vehicle meteorological collection monitoring device of big dipper wisdom city.
At present, the following problems exist in the vehicle-mounted weather acquisition monitoring device and method: firstly, the method comprises the following steps: most of the continuously collected meteorological data have great difference between the measured data and the actual data due to the vehicle speed. Secondly, the method comprises the following steps: the monitoring module collects the uploaded data continuously, so that the data volume of a single vehicle is large. Thirdly, the method comprises the following steps: the power consumption is not considered in the existing vehicle-mounted meteorological module, so that energy waste is caused.
At present on-vehicle meteorological monitoring has multiple scheme, but the mode is more crude, and the control is comprehensive inadequately, and data are accurate inadequately, can only provide long-time wrong meteorological information, can't be applied to on-vehicle meteorological monitoring field.
Disclosure of Invention
In order to solve the problems, the invention provides a Beidou-based vehicle-mounted meteorological acquisition monitoring device and method for a smart city.
Interpretation of terms:
1. NB-IoT: NB-IoT is an emerging technology in the IoT domain that supports cellular data connectivity for low power devices over wide area networks, also known as Low Power Wide Area Networks (LPWANs). NB-IoT supports efficient connectivity for devices with long standby time and high requirements for network connectivity. NB-IoT device battery life can be improved by at least 10 years while still providing very comprehensive indoor cellular data connection coverage.
2. Beidou system: the beidou system generally refers to a beidou satellite navigation system. The chinese BeiDou Navigation Satellite System (the english name: BeiDou Navigation Satellite System, abbreviated as BDS) is a global Navigation Satellite System developed by the self in china, and is also the third mature Satellite Navigation System following GPS and GLONASS.
The technical scheme of the invention is as follows:
a Beidou-based smart city vehicle-mounted meteorological acquisition monitoring device comprises a vehicle-mounted module and a meteorological monitoring module; the vehicle-mounted module is arranged at a front bumper of the vehicle;
the vehicle-mounted module comprises a microcontroller module, a Beidou positioning module, an NB-IoT communication module, a power supply module, a vibration module and a storage module;
the Beidou positioning module is used for: the vehicle uses a Beidou system to carry out real-time fixed-point positioning to obtain positioning data;
the NB-IoT communication module is to: the positioning data and the meteorological data are subjected to uplink downloading; meteorological data including PM2.5 concentration, air pressure, temperature and humidity;
the vibration module is used for: detecting whether the vehicle is started, generating vibration when the vehicle is started, and controlling the micro control module to be started through the vibration module so as to start the whole vehicle-mounted module;
the power module is used for: the power supply module supplies power to the weather monitoring module, the microcontroller module, the Beidou positioning module, the NB-IoT communication module, the vibration module and the storage module;
the microcontroller module is to: the Beidou positioning module, the NB-IoT communication module, the power supply module, the vibration module and the storage module are in interactive connection, so that control transmission of data is realized, and meteorological data are processed and then uploaded to a smart city server through the NB-IoT communication module;
the weather monitoring module is used for: and monitoring meteorological data of a positioning position corresponding to the current positioning data, and storing the collected meteorological data in a storage module.
According to the invention, the meteorological monitoring module comprises a PM2.5 particulate matter detection sensor, an air pressure sensor, a temperature sensor and a humidity sensor;
PM2.5 particulate matter detection sensor gathers road surface PM2.5 concentration, and atmospheric pressure sensor gathers road surface atmospheric pressure, and temperature sensor gathers road surface current position temperature, and humidity transducer gathers current road surface position humidity.
According to the invention, the microcontroller module, the Beidou positioning module, the NB-IoT communication module, the power supply module, the vibration module and the storage module are integrated in the vehicle-mounted module and are connected into a power supply circuit of a vehicle through the power supply module.
Preferably, the microcontroller module is of the type STM32F412 according to the present invention.
According to the invention, the vibration module is preferably of type Z04A.
According to the invention, the model of the memory module is preferably an SDRAM.
The working method of the Beidou-based vehicle-mounted meteorological acquisition monitoring device for the smart city comprises the following steps:
(1) when the vehicle is started, the vibration module collects vibration signals generated when the vehicle runs and sends starting signals to the microcontroller module;
(2) the microcontroller module receives the starting signal and starts the vehicle-mounted module;
(3) the microcontroller module judges the current running speed of the vehicle through a wheel speed sensor connected with the vehicle, when the current running speed of the vehicle is more than 30km/h, the microcontroller module continuously judges the current running speed of the vehicle in real time through the wheel speed sensor connected with the vehicle, otherwise, the microcontroller module records the current running speed of the vehicle;
(4) when the current running speed of the vehicle is reduced to 0km/h, the microcontroller module controls the Beidou positioning module to receive the positioning signal, the step (5) is carried out, and otherwise, the step (3) is returned;
(5) the microcontroller module controls the meteorological monitoring module to receive the positioning signal;
(6) transmitting the positioning data and the meteorological data to a storage module;
(7) and after the microcontroller module processes the positioning data and the meteorological data, the positioning data and the meteorological data are uploaded to the smart city server through the NB-IoT communication module.
The invention has the beneficial effects that:
1. the invention adopts the NB-IoT communication module, supports the cellular data connection of low-power consumption equipment in a wide area network, supports the high-efficiency connection of equipment with long standby time and higher requirement on network connection, can provide very comprehensive indoor and outdoor cellular data connection coverage, and has the characteristics of low cost, low power consumption, wide coverage, large capacity and the like.
2. According to the invention, the vehicle-mounted module is started by adopting the vibration module, and when the vehicle is not started, the vehicle-mounted module is ensured to be in a power-off state, so that the power consumption of the vehicle-mounted module on the vehicle is reduced.
3. The invention starts to collect meteorological data when the speed of the vehicle is reduced from 30km/h to 0km/h, ensures that the vehicle runs in a smart city, can be in a traffic light state such as parking and the like when the speed is reduced to 0km/h, and ensures that the speed of the vehicle cannot cause the influence of the air pressure, the temperature, the humidity and the PM2.5 concentration around the sensor.
4. The invention has the advantages of novelty, uniqueness, ingenious design concept, accurate positioning, low power consumption, difficult error monitoring, capability of providing a large amount of credible and accurate meteorological data for a smart city big data platform, promotion of the construction of the smart city, urgent application environment requirements and wide market prospect.
Drawings
FIG. 1 is a structural block diagram of a vehicle-mounted module in the Beidou-based smart city vehicle-mounted weather acquisition monitoring device;
FIG. 2 is a structural block diagram of a weather monitoring module in the vehicle-mounted weather acquisition monitoring device for the smart city based on the Beidou satellite system;
FIG. 3 is a schematic diagram of a process of turning on a vehicle-mounted module in the working method of the Beidou-based vehicle-mounted weather acquisition and monitoring device for the smart city of the invention;
FIG. 4 is a schematic flow chart of weather monitoring in the working method of the Beidou-based vehicle-mounted weather acquisition and monitoring device for the smart city.
Detailed Description
The invention is further defined in the following, but not limited to, the figures and examples in the description.
Example 1
A Beidou-based smart city vehicle-mounted meteorological acquisition monitoring device comprises a vehicle-mounted module and a meteorological monitoring module; the vehicle-mounted module is arranged at a front bumper of the vehicle;
as shown in fig. 1, the vehicle-mounted module includes a microcontroller module, a beidou positioning module, an NB-IoT communication module, a power module, a vibration module, and a storage module;
the big dipper orientation module is used for: the vehicle uses a Beidou system to carry out real-time fixed-point positioning to obtain positioning data;
the NB-IoT communication module is to: uploading and downloading positioning data (any data that can be tracked that can be placed on the device, including location information of the vehicle, speed information of the vehicle, direction information of the vehicle, etc.), weather data; and the NB-IoT communication module is internally provided with a Sim card of a mobile operator and is responsible for communication with the smart city background server. Meteorological data including PM2.5 concentration, air pressure, temperature and humidity;
the vibration module is used for: detecting whether the vehicle is started, generating vibration when the vehicle is started, and controlling the micro control module to be started through the vibration module so as to start the whole vehicle-mounted module;
the power module is used for: the wide-voltage power management circuit of the power module is connected to a vehicle circuit and supplies power to a battery in the power module, and the battery supplies power to the weather monitoring module, the microcontroller module, the Beidou positioning module, the NB-IoT communication module, the vibration module and the storage module;
the microcontroller module is used for: the Beidou positioning module, the NB-IoT communication module, the power supply module, the vibration module and the storage module are in interactive connection, so that control transmission of data is realized, and meteorological data are processed and then uploaded to a smart city server through the NB-IoT communication module;
the meteorological monitoring module is used for: and monitoring meteorological data of a positioning position corresponding to the current positioning data, and storing the collected meteorological data in a storage module.
The vehicle-mounted module is started through vibration generated when a vehicle collected by the vibration module runs, the microcontroller module judges the current running speed through being connected with a vehicle wheel speed sensor, when the running speed is reduced by 0km/h, when the running speed is reduced to 0km/h from 30km/h, the Beidou positioning module positions location information, the meteorological monitoring module monitors the meteorological data of the current positioning position, the collected meteorological data is stored in the storage module and then is uploaded to the smart city server through the NB-IoT communication module after being processed by the microcontroller module.
Example 2
According to embodiment 1 a on-vehicle meteorological collection monitoring device in wisdom city based on big dipper, its difference lies in:
as shown in fig. 2, the meteorological monitoring module includes a PM2.5 particulate matter detection sensor, an air pressure sensor, a temperature sensor, a humidity sensor;
PM2.5 particulate matter detection sensor gathers road surface PM2.5 concentration, and atmospheric pressure sensor gathers road surface atmospheric pressure, and temperature sensor gathers road surface current position temperature, and humidity transducer gathers current road surface position humidity.
The microcontroller module, the Beidou positioning module, the NB-IoT communication module, the power supply module, the vibration module and the storage module are integrated in the vehicle-mounted module and are connected into a power supply circuit of a vehicle through a wide-voltage power supply management circuit of the power supply module. The power supply of the line can still be ensured under the vehicle extinguishing state.
The model of the microcontroller module is STM32F 412. STM32F412 MCU can run at working frequency of 100MHz and support floating point arithmetic unit
And the kernel realizes excellent low power consumption performance in the running and shutdown modes.
The model of the vibration module is Z04A. The output of the flaky high-sensitivity vibration module is transient pulse, and the flaky high-sensitivity vibration module can be used for other real-time monitoring control circuits.
The model of the storage module is SDRAM.
Example 3
The working method of any one of the Beidou-based smart city vehicle-mounted weather collection and monitoring devices in embodiment 1 or 2 is shown in fig. 3 and 4, and includes the following steps:
(1) when the vehicle is started, the vibration module collects vibration signals generated when the vehicle runs and sends starting signals to the microcontroller module;
(2) the microcontroller module receives the starting signal and starts the vehicle-mounted module;
(3) the microcontroller module judges the current running speed of the vehicle through a wheel speed sensor connected with the vehicle, when the current running speed of the vehicle is more than 30km/h, the microcontroller module continuously judges the current running speed of the vehicle in real time through the wheel speed sensor connected with the vehicle, otherwise, the microcontroller module records the current running speed of the vehicle;
(4) when the current running speed of the vehicle is reduced to 0km/h, the microcontroller module controls the Beidou positioning module to receive the positioning signal, the step (5) is carried out, and otherwise, the step (3) is returned;
(5) the microcontroller module controls the meteorological monitoring module to receive the positioning signal;
(6) transmitting the positioning data and the meteorological data to a storage module;
(7) and after the microcontroller module processes the positioning data and the meteorological data, the positioning data and the meteorological data are uploaded to the smart city server through the NB-IoT communication module.
Claims (7)
1. A Beidou-based smart city vehicle-mounted meteorological acquisition monitoring device is characterized by comprising a vehicle-mounted module and a meteorological monitoring module; the vehicle-mounted module is arranged at a front bumper of the vehicle;
the vehicle-mounted module comprises a microcontroller module, a Beidou positioning module, an NB-IoT communication module, a power supply module, a vibration module and a storage module;
the Beidou positioning module is used for: the vehicle uses a Beidou system to carry out real-time fixed-point positioning to obtain positioning data;
the NB-IoT communication module is to: the positioning data and the meteorological data are subjected to uplink downloading; meteorological data including PM2.5 concentration, air pressure, temperature and humidity;
the vibration module is used for: detecting whether the vehicle is started, generating vibration when the vehicle is started, and controlling the micro control module to be started through the vibration module so as to start the whole vehicle-mounted module;
the power module is used for: the power supply module supplies power to the weather monitoring module, the microcontroller module, the Beidou positioning module, the NB-IoT communication module, the vibration module and the storage module;
the microcontroller module is to: the Beidou positioning module, the NB-IoT communication module, the power supply module, the vibration module and the storage module are in interactive connection, so that control transmission of data is realized, and meteorological data are processed and then uploaded to a smart city server through the NB-IoT communication module;
the weather monitoring module is used for: and monitoring meteorological data of a positioning position corresponding to the current positioning data, and storing the collected meteorological data in a storage module.
2. The vehicle-mounted weather collection and monitoring device for the smart city based on the Beidou satellite System of claim 1, wherein the weather monitoring module comprises a PM2.5 particulate matter detection sensor, an air pressure sensor, a temperature sensor and a humidity sensor;
PM2.5 particulate matter detection sensor gathers road surface PM2.5 concentration, and atmospheric pressure sensor gathers road surface atmospheric pressure, and temperature sensor gathers road surface current position temperature, and humidity transducer gathers current road surface position humidity.
3. The vehicle-mounted meteorological collection and monitoring device for smart cities based on the Beidou satellite System according to claim 1, wherein the microcontroller module, the Beidou positioning module, the NB-IoT communication module, the power supply module, the vibration module and the storage module are integrated in the vehicle-mounted module and are connected into a power supply line of a vehicle through the power supply module.
4. The on-vehicle meteorological collection monitoring device in smart city based on big dipper of claim 1, characterized in that, the model of microcontroller module is STM32F 412.
5. The vehicle-mounted weather collection and monitoring device for the smart city based on the Beidou satellite System according to claim 1, wherein the type of the vibration module is Z04A.
6. The vehicle-mounted weather collection and monitoring device for the smart city based on the Beidou satellite System according to claim 1, wherein the type of the storage module is SDRAM.
7. The working method of the Beidou based smart city vehicle-mounted weather collection and monitoring device of any one of claims 1 to 6, is characterized by comprising the following steps:
(1) when the vehicle is started, the vibration module collects vibration signals generated when the vehicle runs and sends starting signals to the microcontroller module;
(2) the microcontroller module receives the starting signal and starts the vehicle-mounted module;
(3) the microcontroller module judges the current running speed of the vehicle through a wheel speed sensor connected with the vehicle, when the current running speed of the vehicle is more than 30km/h, the microcontroller module continuously judges the current running speed of the vehicle in real time through the wheel speed sensor connected with the vehicle, otherwise, the microcontroller module records the current running speed of the vehicle;
(4) when the current running speed of the vehicle is reduced to 0km/h, the microcontroller module controls the Beidou positioning module to receive the positioning signal, the step (5) is carried out, and otherwise, the step (3) is returned;
(5) the microcontroller module controls the meteorological monitoring module to receive the positioning signal;
(6) transmitting the positioning data and the meteorological data to a storage module;
(7) and after the microcontroller module processes the positioning data and the meteorological data, the positioning data and the meteorological data are uploaded to the smart city server through the NB-IoT communication module.
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