Mobile Remote Sensing Vehicle Project Proposal

Background of the proposal:
With the sustained and rapid development of China's economy and society, the number of motor vehicles continues to maintain a high-speed growth trend, and the environmental pollution caused by motor vehicles is becoming increasingly prominent. According to new statistics from the Traffic Management Bureau of the Ministry of Public Security, as of the end of March 2017, the number of motor vehicles in China exceeded 300 million for the first time, including 200 million cars, an average annual increase of 14 million in the past five years. In the first quarter of 2017, there were 8.2 million newly registered motor vehicles nationwide, which was basically the same as the same period in 2016. Motor vehicle exhaust pollution has become the main source of urban air quality hazards, especially the important cause of frequent haze in major cities across the country in recent years. According to relevant research results, the exhaust emissions of CO, HC, and NO from motor vehicles in cities account for 60% to 70%, 40% to 50%, and 30% to 40% of the total urban pollutants, respectively, and show an upward trend with the increase of the number of motor vehicles. More than 50% of these emissions come from less than 20% of high polluting vehicles. According to the monitoring results of PM2.5 pollution in the air of multiple cities across the country using an online source apportionment mass spectrometer, the average contribution rate of motor vehicle exhaust emissions to urban PM2.5 pollution is around 20%. When heavy pollution weather occurs, the contribution rate of motor vehicle exhaust emissions increases significantly accordingly.
With the gradual upgrading of China's motor vehicle exhaust emission standards, there is a significant gap in the emission levels of various vehicles driving on the road. It is necessary to effectively reduce the pollution of motor vehicle emissions on the ambient air quality, identify and control high emission vehicles, in order to improve the urban air quality situation. At present, the main measures to control motor vehicle exhaust emissions pollution are annual inspections of motor vehicle exhaust emissions and daily road inspections and patrols, but there are still many problems in the actual monitoring process.
One reason is that due to the huge traffic volume on the road, blocking detection can cause vehicles to drive smoothly, idling or driving at low speeds, resulting in greater pollution.
Secondly, after the implementation of the Road Traffic Safety Law of the People's Republic of China, traffic police departments no longer temporarily suspend vehicle driving licenses or driver's licenses for vehicles with excessive exhaust emissions during road inspections, making it difficult to carry out road inspections.
The third is that the traditional monitoring method is contact detection, which samples the exhaust pipes of motor vehicles and analyzes them with conventional instruments. It is time-consuming, labor-intensive, costly, and difficult to operate. Four staff members can only detect more than 100 vehicles per day. Due to low work efficiency, only a small number of vehicles can be detected. Although it can have a partial deterrent effect, it is far from achieving the goal of screening high polluting vehicles. The dual idle detection method has many drawbacks, as its detection results cannot fully and accurately reflect the true emission status of motor vehicles. The detection process is highly artificial, and the detection indicators are single. It can only measure the emission concentrations of carbon monoxide (CO) and hydrocarbons (HC), but cannot measure the emission concentration of nitrogen oxides (NO); The working condition method requires the inspection of vehicles entering the site, which has low detection efficiency and cannot meet the requirements of real-time detection. Since 2014, the annual inspection system for non-commercial motor vehicles in China has been abolished and changed to once every 6 years, changing the current mandatory testing mode for motor vehicle exhaust emissions. In addition, there is currently almost no online monitoring of motor vehicle exhaust emissions in Chinese cities, which adds greater difficulty for environmental protection departments to manage pollution from high emission vehicles and yellow label vehicles. In fact, when a vehicle is driven on the road after an annual inspection cycle, its exhaust emissions will undergo significant changes due to maintenance, load capacity, driving habits, and other reasons. Car owners also find it difficult to pay attention to whether their vehicle's exhaust emissions still exceed the standard. In addition to regular inspections, management departments do not have other more effective means, which creates a regulatory gap. The remote sensing monitoring technology for motor vehicle exhaust emissions has gained increasing attention and trust due to its advantages of speed, flexibility, and wide monitoring coverage. It is mainly applied in three aspects: discovering high emission vehicles, exempting clean vehicles, researching and evaluating regional and hazardous emission factor characteristics. Remote sensing measurement methods are used to monitor the pollutant emissions of motor vehicles driving on the road. Once a vehicle with serious pollutant emissions is found, the owner can be notified to go to the local motor vehicle emission testing agency to conduct pollutant emission testing according to the local regulations. The large amount of information data entered during remote sensing monitoring can also provide technical parameters for management and society, such as auditing, screening, inspection, urban examination, traffic restrictions, regional ranking, etc. It can be repeatedly used to provide reliable basis for environmental management and has huge social and economic benefits compared to traditional inspection methods.
Feasibility of project construction
1) Remote sensing detection does not require large-scale testing sites, and can quickly and accurately screen out heavily polluting vehicles or yellow labeled vehicles, bringing great convenience to environmental management of motor vehicle exhaust pollution and improving work efficiency. Mobile remote sensing monitoring of motor vehicle exhaust is more flexible and convenient for spot detection in heavily polluted areas.
2) The use of telemetry is beneficial for strengthening the management of exhaust emissions from motor vehicles on the road. Because telemetry is an efficient exhaust detection device, it can detect the emission pollution status of motor vehicles in 0.7 seconds, and can detect the exhaust emissions of more than 6000 vehicles passing through the monitoring site every day.
3) As a quality control method for annual inspection of motor vehicle exhaust emissions. Remote sensing monitoring can become an independent system to monitor each detection line, and telemetry data can be directly compared with the data on the detection line. If there is a large deviation, it indicates that there is a problem in a certain link of the detection. Monitoring facilities should be installed at every stage of sampling and analysis to effectively supervise exhaust detection.
4) It can be combined with the urban motor vehicle exhaust annual inspection management system to carry out I/M system evaluation, and effectively reduce vehicle exhaust pollution by urging maintenance or mandatory scrapping of vehicles with unqualified emissions. Vehicles using environmentally friendly products such as on-board OBD and three-way catalytic converters are included in our remote sensing monitoring range, and the system can identify whether they meet environmental requirements and their current working status. It is very necessary to establish a strict I/M system.
5) Conducive to standardizing new car management. Based on the actual situation in various regions and the research and application experience at home and abroad, a combination of remote sensing monitoring technology for motor vehicle inspection sites and motor vehicle exhaust emissions is adopted to establish a motor vehicle exhaust detection and supervision system. Through modern communication technology, remote sensing monitoring data is organically connected with motor vehicle emission information and annual exhaust inspection data to achieve comprehensive supervision of vehicle emissions.
policy basis
The Notice on Further Standardizing Emission Inspection and Strengthening Environmental Supervision and Management of Motor Vehicles issued by the Ministry of Environmental Protection, the Ministry of Public Security, and the State Administration for Market Regulation proposes that public security traffic management departments should support and cooperate with environmental protection departments to adopt remote sensing monitoring and other technical means to supervise and test motor vehicles driving on the road, without affecting normal traffic.
Notice on Accelerating the Construction and Networking of Remote Sensing Detection Platforms for Motor Vehicles (Environmental Office Atmospheric Letter (2017) No. 1331)
Measurement Methods and Technical Requirements for Exhaust Pollutants of In Use Diesel Vehicles (Remote Sensing Detection Method) (HJ845-2017)
Announcement on Technical Policies for Prevention and Control of Motor Vehicle Pollution (Ministry of Environmental Protection Announcement No. 69 of 2017)
This plan includes a mobile vehicle exhaust remote sensing system and a fixed exhaust remote sensing monitoring system, specifically consisting of an optical path measurement system, an acceleration capture system, remote sensing system detection software, a meteorological system, and other components. Please contact our technical personnel to provide you with a suitable solution for your project.