WO2018214788A1

WO2018214788A1 - Method and system for maintaining qualified tail gas emission of automobile by using big data

Info

Publication number: WO2018214788A1
Application number: PCT/CN2018/087222
Authority: WO
Inventors: 黄毅
Original assignee: 黄毅
Priority date: 2017-05-22
Filing date: 2018-05-17
Publication date: 2018-11-29
Also published as: CN108959301A

Abstract

Disclosed in the present invention are a method and system for maintaining qualified tail gas emission of an automobile by using big data. The method comprises: regularly maintaining an automobile tail gas treatment device, and predicting a maximum emission value in a next maintenance period according to the efficacy attenuation degree of the automobile tail gas treatment device; and comparing the maximum emission value with an emission standard stipulated by a state, and issuing information indicating that the emission is qualified, information indicating that repair is needed and information suggesting the end of the life of the automobile, and providing follow-up handlings. The system comprises a detection module, a maintenance module, a computer big database module and a repair module. The present invention has the effects: emission can be continuously monitored for a long time, false reporting of emissions can be effectively eliminated, and the service life of the tail gas treatment device can be prolonged, and use costs of an automobile owner can be reduced.

Description

Method and system for ensuring qualified vehicle exhaust emissions with big data

Technical field

The invention belongs to the field of automobile exhaust gas treatment.

Background technique

Haze is a bad climate that is not conducive to health. Unqualified vehicle exhaust emissions are one of the important causes of haze. The law stipulates that cars with unqualified exhaust emissions are not allowed to go on the road. However, some car owners and some car manufacturers are one. Private profits are fraudulent. Although some of the counterfeiters have been detected and reported by the media, the complicated situation of using hundreds of millions of vehicles and more than 10,000 models in vehicles still allows some counterfeiters to evade supervision.

The shortcoming of the prior art is that the government supervision is only at a certain time point of the annual inspection or the road inspection, rather than the continuous time period, and the motor vehicle whose emission is unqualified can be qualified by the inspection as long as it is falsified at the specific time point; The vehicle monitoring system will not last long due to the sensor's pollution, or even fraud, and most of the owners do not understand the car knowledge. Because there is no systematic way to prompt and help, although subjectively unwilling to exceed the standard of the car exhaust But in fact it has not been effectively avoided.

Summary of the invention

The present invention provides a method and system for maintaining vehicle exhaust emissions.

Further, the present invention provides a method and system for long-term maintenance of qualified exhaust emissions of automobile exhaust based on computer Internet and big data technology capable of continuously monitoring emissions, preventing fraud, active early warning, and active maintenance and repair.

A specific method for keeping the vehicle exhaust emission qualified is:

S101. In the case of registering the vehicle, detecting the exhaust emission value of the automobile, performing maintenance on the automobile exhaust gas treatment device, and detecting the exhaust emission value of the automobile again;

S102. Input the vehicle condition and the detection data into a computer database;

S103. Calculate a function attenuation mode value of the vehicle exhaust gas processing device by analyzing a big data of the computer database;

S104. Calculate a maximum probability value of the exhaust emission of the automobile in the next maintenance period according to the value of the power attenuation mode;

S105. Compare the maximum probability value with the government-defined exhaust gas emission value. If the maximum probability maximum value does not meet the government-defined exhaust gas emission value, the vehicle exhaust gas project passes; if the large probability value meets or exceeds the government-defined exhaust gas If the emission value is issued, the warning information is issued for repair, and the vehicle exhaust emission value is detected again after the repair. If the maximum probability maximum value does not reach the government-defined exhaust emission value, the vehicle exhaust gas item passes; if the large probability value reaches or exceeds If the government stipulates the value of exhaust emissions, it will issue a warning message for vehicle scrapping.

The efficiency degradation of the exhaust gas treatment device means that the content of the components to be detected in the exhaust gas is increased, that is, the connotation of the two is the same. Since there are many components to be detected in the exhaust gas, for convenience of explanation and understanding, the exhaust gas is The amount of increase in the amount of components to be detected is collectively referred to as the amount of efficacy attenuation of the exhaust gas treatment device, and is still calculated separately by composition.

Maintenance refers to the technical operation of removing pollutants, blockages, and correcting positions on the components of the exhaust gas treatment device. Repair refers to the technical operation of repairing and replacing parts of the power system including the engine and the exhaust gas treatment device.

Further, the exhaust gas treatment device function attenuation mode value of step S103 may be calculated by using the same fixed mileage or fixed time power attenuation amount of the same fuel engine as the vehicle under test; or may be the same engine exhaust amount as the vehicle under test The vehicle has a fixed mileage or fixed-time power attenuation; or it may be a fixed mileage or fixed-time power attenuation of the same brand model as the vehicle under test; or it may be the fixed mileage or fixed time of the vehicle under test. Amount of attenuation.

The vehicle referred to herein may be a specific vehicle or an unspecified vehicle. One of the reasons is that the vehicle registered at the time of implementation of the present invention will be few, and the comparison object may only be a specific vehicle.

The attenuation mode refers to the attenuation of different comparison objects, that is, the vehicle of the same fuel engine as the vehicle under test, and the vehicle with the same engine exhaust amount as the vehicle under inspection, and the vehicle of the same brand type as the vehicle under inspection, and Check the vehicle.

Because there are many factors affecting the exhaust emissions of vehicles, and the number of vehicles in use is too large, the overall situation is very complicated. In order to achieve the goal of exhaust emission always being qualified, the calculation mode of device efficacy attenuation mode can be one type or multiple types. Mutual reference correction.

The maintenance cycle of the vehicle exhaust treatment unit can be consistent with the maintenance cycle of other parts of the vehicle, which is the lowest cost of maintenance time, and other suitable maintenance intervals can be selected according to the specific situation.

Further, the method for calculating the maximum probability of exhaust gas emission in the next maintenance cycle in step S104 is to multiply the value of the exhaust gas treatment device efficacy decay mode in step S103 by the coefficient k, and then add the value of the vehicle exhaust emission after maintenance or repair. The maximum value among the values obtained, the coefficient k ranges from 0 to 1650, because there are many other factors that affect the exhaust emissions, such as engine operating conditions, fuel quality, in addition to the exhaust gas treatment device. Factors such as road conditions, and the same failure rate of a specific batch of cars in a specific automobile production plant are probable. Compared with cars that have failed in the same batch, cars that have not experienced the same failure need to use coefficients. Adjustments can be made to facilitate the object of the present invention.

Further, the method for calculating the maximum probability of exhaust gas emission in the next maintenance cycle in step S104 is to add the value of the vehicle exhaust emission value after maintenance or repair to the value of the exhaust gas treatment device in the step S103. The maximum value in the middle, that is, the value of the coefficient k is 1.

A system for ensuring vehicle exhaust emission by large data, characterized in that the system comprises a detection module m1, a maintenance module m2, a big data central module m3, and a repair module m4;

The detecting module m1 refers to a device and an operation for detecting exhaust gas, and inputs a condition of the registered vehicle and a detected value to the big data central module;

The maintenance module m2 refers to technical operations and related equipment for removing contaminants, plugs, and correcting positions on components;

The big data central module m3 includes:

a large data storage unit u1 for storing various data for maintenance and repair of each registered vehicle;

An attenuation calculation unit u2 for calculating a device power attenuation mode;

Prediction unit u3 for estimating a large probability maximum value of exhaust emissions in the next cycle of the vehicle;

Comparison unit u4 is used to compare the maximum probability maximum value with the government-defined exhaust emission value;

The output unit u5 is configured to output, according to the comparison result, information about the passage of the exhaust gas item, or the repair warning, or the scrapping warning;

The repair module m4 refers to a technical operation and equipment including repairing parts and replacing parts of the exhaust gas treatment device.

Maintenance and repair have an important impact on the service life of the car. The regular maintenance period of the car is required to be maintained once every 5,000 km to 10,000 km. Generally, the car needs to be maintained several times a year. The invention can be included in the routine maintenance subject. Continuous maintenance data records and estimation of the next cycle of emission values can continuously monitor emissions for a long period of time. Government departments can connect with the database through computer Internet, which can effectively eliminate existing spoofing methods at specific time points with few detection times. To facilitate the immediate supervision of the government and effectively reduce air pollution; every time car maintenance has added new items to maintain the vehicle exhaust emission treatment device, so that the treatment device maintains good working efficiency and thus effectively reduces air pollution, and can also prolong the treatment. The service life of the device reduces the cost of the owner of the vehicle; it can provide active warning information, active repair and scrap mode for the owner who does not want the exhaust gas to exceed the standard, so that the car can maintain the exhaust emission of the vehicle exhaust for a long time, so that the owner can avoid being over-standarded by the exhaust gas. Property loss, reduction Air pollution damage to public health.

DRAWINGS

Figure 1 is a method flow diagram.

Figure 2 is a system structure diagram.

detailed description

The principles and features of the present invention are described in the following with reference to the accompanying drawings.

Embodiment 1 A method for maintaining the exhaust emission of a vehicle is described below with reference to FIG. 1 :

Specifically, after the vehicle enters the repair shop, the vehicle is registered, the vehicle exhaust emission value is detected, the automobile exhaust gas treatment device is maintained, and the vehicle exhaust emission value is detected again;

Specifically, in order to achieve the purpose of the invention, each vehicle has a special file in the large database according to the license plate number. The file includes the license plate number, the exhaust emission value before and after maintenance, and further increases the brand model, engine type and The amount of exhaust can further increase the mileage, usage time, mileage or time of the maintenance cycle, and further increase the owner's name, contact information, frame number, engine number, and maintenance and repair conditions. The daily warranty of a single auto repair shop is limited, so Internet technology connectivity and a large central database are required.

S103. Calculate a value of the power attenuation mode of the vehicle exhaust gas processing device by analyzing the big data of the computer database;

Specifically, the attenuation of the efficacy of the exhaust gas treatment device means that the content of the component to be detected in the exhaust gas is increased. Since there are a plurality of components to be detected in the exhaust gas, for convenience of explanation and understanding, the components to be detected in the exhaust gas are The increase in the content is collectively referred to as the efficacy attenuation of the exhaust gas treatment device, and is still calculated separately according to the components.

The value of the exhaust gas treatment device efficacy decay mode may be the previous fixed mileage or fixed time power attenuation of the same fuel engine as the vehicle under test; or may be the same fixed mileage or fixed position of the vehicle with the same engine exhaust amount as the vehicle under test. The amount of time attenuation of the effect; or it may be the amount of power attenuation of the vehicle of the same brand type as the vehicle under test, or may be the amount of power attenuation of the vehicle before the fixed mileage or fixed time.

In the case of a small amount of initial data, it is possible to use a relatively simple amount of power attenuation of the vehicle's previous fixed mileage or fixed time, or the amount of power attenuation of other vehicles.

The effect attenuation amount refers to the difference between the value of the exhaust gas before the maintenance and the value of the exhaust gas after the last maintenance and repair. Since the factors affecting the exhaust emission are many factors such as the vehicle condition, oil, and road conditions, even The amount of power attenuation for different mileage segments or time periods of the same car will be different.

There are multiple components in the exhaust that need to be tested, so each component is calculated separately.

S104. Calculate a maximum probability value of exhaust emissions of the automobile in the next maintenance period according to the mode of power attenuation;

Specifically, the maximum probability maximum value of the exhaust gas emission in the next maintenance period is calculated by multiplying the value of the exhaust gas treatment device efficiency decay mode by the coefficient k in step S103, and adding it to the maintenance or repaired vehicle exhaust emission value. The maximum value among the values, the coefficient k ranges from 0 to 1650, because there are many other factors that affect the exhaust emissions, such as engine operating conditions, fuel quality, road conditions, etc., in addition to the exhaust gas treatment device. Factor, in addition to the specific failure rate of a specific batch of cars in a specific automobile production plant is a high probability, compared with the car that has failed in the same batch, the car that has not had the same failure needs to be adjusted by the coefficient when calculating. In order to facilitate the realization of the object of the present invention, for example, an automobile factory has already admitted that the exhaust gas of a specific batch of vehicles has been falsified by the government, and the system sets the k value of the specific batch vehicle that has not been recalled to be 1650. This is to choose the intermediate standard for the convenience of calculation and the range of values can be broadly included. The components are used as reference targets. Among the emission standards of automobile European environmental emission standard 1 and automobile European environmental emission standard 5, the middle-class automobile environmental emission standard III, that is, the Chinese national three automobile emission standard, is selected among the gasoline vehicles. The most widely accepted range of acceptable values for ASM5025 is the oxynitride, which is from 0 to 1650 (by 10 minus 6 power), and can be used for various new energy vehicles, especially pure electric vehicles. According to the situation, the value of k is set to 0. To achieve the purpose of the present invention, the value of k should be dynamically corrected so that the maximum estimated maximum value of the next estimated maintenance period is as close as possible to the objective actual value.

Further, considering the level of modern automobile manufacturing quality, in the absence of negative information, the value of the coefficient k is normally 1 in view of the maintenance of the exhaust gas treatment device for each maintenance cycle.

The amount of attenuation calculated according to each mode of step S103 will be a high probability in the next maintenance cycle. In order to ensure that the car is always qualified in the next maintenance cycle, the value of the efficiency attenuation mode of the exhaust gas treatment device in step S103 is multiplied by the coefficient. k, the maximum value among the values obtained by adding the vehicle exhaust emission values after maintenance or repair, gives the maximum probability maximum value.

S105. Compare the maximum probability value with the government-defined exhaust gas emission value. If the maximum probability maximum value does not meet the government-defined exhaust gas emission value, the vehicle exhaust gas project passes; if the large probability value meets or exceeds the government-defined exhaust gas If the emission value is issued, the repair warning information will be issued, and the parts of the power system including the engine and the exhaust gas treatment device will be repaired and replaced, and the vehicle exhaust emission value will be detected again after the repair. If the maximum probability is not up to the government-defined exhaust gas If the emission value is passed, the vehicle exhaust project is passed; if the large probability value meets or exceeds the government-defined exhaust emission value, the vehicle scrap warning information is issued.

Specifically, the maximum probability value of each component of the exhaust gas is compared with the government-defined exhaust gas emission value, and if the maximum probability maximum value does not reach the government-defined exhaust gas emission value, the vehicle exhaust gas project is passed;

If the large probability value meets or exceeds the government-defined exhaust emission value, the repair warning information is issued. At this time, it is insufficient to maintain the exhaust gas treatment device only. It is necessary to repair the parts of the power system including the engine and the exhaust gas treatment device. And replacement;

And after the repair, the vehicle exhaust emission value is detected again, and the maximum probability maximum value is calculated. If the maximum probability maximum value does not reach the government-defined exhaust emission value, the vehicle exhaust project passes; if the large probability value reaches or exceeds the government The specified exhaust emission value indicates that the vehicle exhaust emission exceeds the standard and cannot be repaired. According to the law, the vehicle with excessive exhaust gas is prohibited from driving on the road. In order to avoid the owner being held liable, the system issues the vehicle scrap warning information.

Due to the different working range, the exhaust gas treatment device plays a decisive role in the qualified emission of automobile exhaust gas, and the components such as the engine can be discharged within the scope of the efficacy of the automobile exhaust gas treatment device as long as it is maintained according to the requirements of the prior art. After the work is done, the key to maintaining the exhaust emissions of the car is the exhaust gas treatment device.

Embodiment 2 A system for ensuring the emission of automobile exhaust gas by big data, the system provided by the present invention will be described below with reference to FIG. 2:

The system provided by the invention comprises a detection module m1, a maintenance module m2, a computer large database module m3, a repair module m4;

Specifically, there are many types of equipment for detecting exhaust gas, which are mature and reliable products for many years. More and more repair shops have begun to be equipped, and each test is performed before and after maintenance. Each car has a special file to record each maintenance and repair situation. .

The maintenance module m2 refers to technical operations such as removing contaminants, blockages, and correcting positions on the exhaust gas treatment device components.

Specifically, the catalyst and the particle trap are subjected to airflow passage to remove the attached contaminants, and if the catalyst carrier and the filter element deviate from the design position, technical operations such as correction are performed.

The computer large database module m3 includes:

Specifically, the number of vehicles in use is too large, and each vehicle has a lot of data, so a dedicated storage unit is required.

The attenuation calculation unit u2 is configured to calculate a device power attenuation mode value;

Specifically, the subtraction value is calculated according to the data in the database by using the selected mode;

Specifically, the device power attenuation mode value is multiplied by the coefficient k, and the exhaust gas value after maintenance and repair is added, and finally the maximum value is selected, which is the maximum probability maximum value.

Specifically, vehicles with different emission standards have different contrast values, and different components in the exhaust gas have different contrast values, which need to be compared one by one.

Specifically, the results of this maintenance and repair will be told to the owners who do not understand the knowledge of the automotive industry, so that the owners can choose the appropriate way to protect the legitimate rights and interests of themselves and others, and promote the environmental protection of "I am for everyone, everyone for me". Implement an objective material foundation.

The repair module m4 refers to a technical operation of repairing and replacing parts of a power system including an engine, an exhaust gas treatment device, and the like.

Specifically, the vehicle condition is an important factor affecting the exhaust emissions. After the maintenance, the exhaust gas is still unqualified, indicating that some parts of the power system are scrapped and need to be replaced, such as spark plugs, filter elements, catalyst carriers, etc. Some parts need to be repaired, such as engines. Cylinder carbon, engine cylinders, etc.

The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalents, improvements, etc., which are within the spirit and scope of the present invention, should be included in the scope of the present invention. within.

Claims

A method for qualifying for automobile exhaust emissions with large data, characterized in that the method comprises the following steps:

S101. In the case of registering the vehicle, detecting the exhaust emission value of the automobile, performing maintenance on the automobile exhaust gas treatment device, and detecting the exhaust emission value of the automobile again;

S102. Input the vehicle condition and the detection data into a computer database;

S103. Calculate a function attenuation mode value of the vehicle exhaust gas processing device by analyzing a big data of the computer database;

S104. Calculate a maximum probability value of the exhaust emission of the automobile in the next maintenance period according to the value of the power attenuation mode;

S105. Compare the maximum probability value with the government-defined exhaust gas emission value. If the maximum probability maximum value does not meet the government-defined exhaust gas emission value, the vehicle exhaust gas project passes; if the large probability value meets or exceeds the government-defined exhaust gas If the emission value is issued, the warning information is issued for repair, and the vehicle exhaust emission value is detected again after the repair. If the maximum probability maximum value does not reach the government-defined exhaust emission value, the vehicle exhaust gas item passes; if the large probability value reaches or exceeds If the government stipulates the value of exhaust emissions, it will issue a warning message for vehicle scrapping.
A method for qualifying automobile exhaust emission in accordance with claim 1, wherein the method of calculating the efficiency attenuation mode of the exhaust gas treatment device of step S103 is calculated by the same fixed mileage or fixed position of the vehicle of the same fuel engine as the vehicle under inspection. The amount of time attenuation of the effect.
A method for qualifying automobile exhaust emission in accordance with claim 1, wherein the method of calculating the efficiency attenuation mode of the exhaust gas treatment device of step S103 is calculated by the same vehicle displacement as the vehicle under test. The amount of power attenuation for mileage or fixed time.
A method for qualifying automobile exhaust emission according to claim 1, wherein the method for calculating the efficiency attenuation mode of the exhaust gas treatment device of step S103 is calculated by the same fixed-length or fixed number of vehicles of the same brand type as the vehicle under inspection. The amount of time attenuation of the effect.
A method for qualifying automobile exhaust emissions in accordance with claim 1, wherein the method of calculating the efficiency attenuation mode of the exhaust gas treatment device of step S103 is a method of reducing the power of the vehicle by a fixed mileage or a fixed time.
A method for qualifying automobile exhaust emissions for large data according to claim 1, wherein the method for calculating the maximum probability of exhaust gas emissions in the next maintenance cycle in step S104 is to perform the power decay mode of the exhaust gas treatment device in step S103. The value is multiplied by the coefficient k and added to the maximum value of the value after the maintenance or repair of the vehicle exhaust emission value, and the coefficient k ranges from 0 to 1650.
A method for qualifying automobile exhaust emissions for large data according to claim 1, wherein the method for calculating the maximum probability of exhaust emissions in the next maintenance cycle in step S104 is to calculate the exhaust emissions of the vehicle after maintenance or repair. The value is the maximum value among the values obtained by adding the value of the efficiency decay mode of the exhaust gas treatment device in step S103.
A system for ensuring vehicle exhaust emission by means of big data, characterized in that the system comprises a detection module, a maintenance module, a computer large database module, and a repair module;

The detecting module refers to a device and an operation for detecting exhaust gas, and inputs a condition of the registered vehicle and a detected value to the big data central module;

The maintenance module refers to technical operations and related equipment such as removing contaminants, blockages, and correcting positions on the exhaust gas treatment device components;

The computer large database module includes:

a big data storage unit for storing various data for maintenance and repair of each registered vehicle;

An attenuation calculation unit for calculating a value of the device power attenuation mode;

a prediction unit for estimating a large probability maximum value of exhaust emissions in the next cycle of the vehicle;

a comparison unit for comparing the maximum probability value with the government-defined exhaust emission value;

The result output unit is configured to respectively output the exhaust gas item passage, or the repair warning, or the scrapping early warning information according to the comparison result;

The repair module refers to equipment and technical operations for repairing and replacing parts of the power system including the engine, the exhaust gas treatment device and the like.