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Environmental parameter acquisition method based on vehicle networking and device

A technology of environmental parameters and collection methods, applied in the direction of instruments, computer control, simulators, etc., can solve the problems of air temperature distribution differences, measurement errors, large errors, etc., and achieve strong dynamic flexibility, accurate measurement results, and flexible area division Effect

Active Publication Date: 2015-11-18
DALIAN ROILAND SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, environmental parameter collectors are generally installed in fixed locations, such as weather stations, which are generally scattered and mostly built on mountain peaks or open ground with air circulation. Human activities have caused regional microclimates. Air conditioners in these areas are installed intensively. A large number of air conditioners work at the same time, causing the temperature to be higher than the average temperature of the entire city. People who are active in this area feel that the body temperature is higher than the average temperature.
However, the air temperature collected by the weather station is generally the air temperature in the suburbs, and the urban air temperature parameters generated by using this as a data source have large errors.
Existing temperature collectors generally use urban administrative regions as statistical units, and their statistical results can only be accurate to a district-level range of a city. However, due to factors such as topography and human activities, there are differences in the distribution of air temperature within the same administrative region. , the existing system cannot meet the needs of finer data collection and statistics
Temperature collectors generally only install a set of precision sensors for data collection at a site, and there are differences in sensors between sites, resulting in measurement errors

Method used

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  • Environmental parameter acquisition method based on vehicle networking and device
  • Environmental parameter acquisition method based on vehicle networking and device
  • Environmental parameter acquisition method based on vehicle networking and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] The environmental parameter collection method based on the Internet of Vehicles is realized through the above specific steps:

[0030] S1: After the car is ignited, each module is initialized;

[0031] S2: The OBD communication module collects the data of the car's outdoor air temperature sensor;

[0032] S3: The microcontroller reads the air pressure value output by the barometer;

[0033] S4: When the OBD communication module reads the working status of the air conditioner as off, then reads the working status of the outer loop:

[0034] S4a: If the outer circulation is in the open state, the microcontroller reads the temperature data information in the vehicle output by the temperature sensor, the air humidity data information output by the humidity sensor, and the PM2.5 dust particle concentration data information output by the PM2.5 dust particle sensor; Then execute step S5;

[0035] S4b: If the outer loop is closed, then directly execute step S5;

[0036] S5:...

Embodiment 2

[0042]The difference between this embodiment and Embodiment 1 is that the cloud platform divides the map into units of 0.5x0.5 kilometers, and the uploaded environmental data information is distributed on each unit of the map according to the vehicle position data information ; The cloud platform arranges the environmental data information on the same unit by time, and counts the environmental data information on the same unit at intervals of 0.5 hours. The cloud platform automatically filters the data that deviates from the maximum 10% of the average value and the minimum 10% of the environmental data information, calculates the average value of the filtered environmental data information, and then calculates the environmental parameters in the unit area. The cloud platform regularly updates the environmental data information of each unit, and the car owner can browse and query the environmental parameters and changing trends of each period of time in the area covered by the d...

Embodiment 3

[0044] The difference between this embodiment and the previous two embodiments is that the cloud platform divides the map into units of 3x3 kilometers, and the uploaded environmental data information is distributed on each unit of the map according to the vehicle position data information; The cloud platform arranges the environmental data information on the same unit by time, and counts the environmental data information on the same unit at intervals of 3 hours. The cloud platform automatically filters the data that deviates from the maximum 10% of the average value and the minimum 10% of the environmental data information, calculates the average value of the filtered environmental data information, and then calculates the environmental parameters in the unit area. The cloud platform regularly updates the environmental data information of each unit, and the car owner can browse and query the environmental parameters and changing trends of each period of time in the area covere...

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Abstract

The invention discloses an environmental parameter acquisition method based on vehicle networking and a device. The device comprises an OBD communication module which communicates with a vehicle bus to read the data of a vehicle outdoor air temperature sensor, a barometer which acquires atmospheric pressure, a temperature sensor which acquires air temperature data, a humidity sensor which acquires air humidity data, a PM2.5 dust particle sensor which acquires PM2.5 dust particle concentration, a GPS positioning module which is used for acquiring vehicle position data in real time, a microcontroller which is used for carrying out uniform coding on the acquired data, a 4G network communication module which is used for data transmission, and a cloud platform which is used for carrying out uniform processing on the coded data information. According to the invention, environmental parameter measurement and statistical results rely on a large number of terminal devices; the uploaded data are analyzed and processed on a platform end; large error factors are screened and removed; and a measurement result is more accurate than a measurement result of a single sensor.

Description

technical field [0001] The invention belongs to the field of environmental parameter collection based on the Internet of Vehicles, in particular to a method and device for collecting environmental parameters based on the Internet of Vehicles. Background technique [0002] In the prior art, environmental parameter collectors are generally installed in fixed locations, such as weather stations, which are generally scattered and mostly built on mountain peaks or open ground with air circulation. Human activities have caused regional microclimates. Air conditioners in these areas are installed intensively. A large number of air conditioners work at the same time, causing the temperature to be higher than the average temperature of the entire city. People who are active in this area feel that the body temperature is higher than the average temperature. However, the air temperature collected by the weather station is generally the air temperature in the suburbs, and the urban air ...

Claims

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Application Information

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IPC IPC(8): G05B19/042
CPCG05B19/042
Inventor 田雨农张东辉苍柏刘洪时
Owner DALIAN ROILAND SCI & TECH CO LTD
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