CN105628093B - A kind of used car detecting system and detection method - Google Patents
A kind of used car detecting system and detection method Download PDFInfo
- Publication number
- CN105628093B CN105628093B CN201510970574.6A CN201510970574A CN105628093B CN 105628093 B CN105628093 B CN 105628093B CN 201510970574 A CN201510970574 A CN 201510970574A CN 105628093 B CN105628093 B CN 105628093B
- Authority
- CN
- China
- Prior art keywords
- vehicle
- data
- chassis
- engine
- collection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Abstract
The present invention relates to a kind of used car detecting systems, including body paint face data analysis module, vehicle chassis data analysis module, vehicle computer data analysis module, cylinder pressure of engines data analysis module, engine cylinder body analysis module, engine performance analysis module and Comprehensive Assessment module, body paint face data analysis module, quantity for setting body paint face data collection surface according to different vehicles, each body paint face data collection surface are equipped with five collection points of acquisition；Judge body paint planar defect according to body paint face data；Comprehensive Assessment module, for according to body paint planar defect, vehicle chassis deformation condition, the working condition of vehicle all parts, engine cylinder body situation and engine power performance status assessment vehicle integrated status.Five collection points of acquisition are equipped in each body paint face data collection surface, the efficiency of the vehicle body lacquer painting detection of such vehicle can greatly improve, and compared to its collection point of original vehicle body lacquer painting detection setting, efficiency can improve 30% or so.
Description
Technical field
The present invention relates to used car assessment technology field, especially a kind of handcart detecting system and detection method.
Background technology
Nowadays automobile has become the indispensable main means of transport of the mankind, and national car ownership is according to Ministry of Public Security's traffic control
Office was by 04 day 10 February in 2015：26 data announced, China's vehicle guaranteeding organic quantity is up to 2.64 hundred million.Automobile market new car is handed over
Easily amount slowly changes with used car trading volume ratio, becomes 3: 5 from 3: 1 before.
It can be seen that consumers in general gradually start used car to receive.Buy used car for the customer excellent
It is relatively low that gesture is mainly derived from price, but existing doubt maximum is vehicle condition, and existing used car assessment is mostly manual evaluation,
Judge used car vehicle current condition and vehicle present value by artificial subjective concept and experience.On this basis,
It can cause the adverse consequences such as " relationship affect value ", " experience influence result ".
Existing used car vehicle body detection probably can acquire 6 to 7 data points in each data collection surface, and such data are adopted
Collection point is excessive, influences whether the vehicle detection efficiency of used car.
Invention content
The present invention provides a kind of used car detecting system, is acquired with solving the single vehicle body data of above-mentioned used car detecting system
Data collection point on face is excessive, the technical issues of influencing whether the vehicle detection efficiency of used car.
In order to solve the above technical problem, the present invention provides a kind of used car detecting systems, including：
Body paint face data analysis module, the quantity for setting body paint face data collection surface according to different vehicles,
Each body paint face data collection surface is equipped with five collection points of acquisition；Judge vehicle body lacquer painting according to the body paint face data
Defect；
Vehicle chassis data analysis module, the vehicle chassis data for the segmentation of collection vehicle chassis difference；Judge vehicle
Chassis deformation condition；
Vehicle computer data analysis module, for the vehicle data stream under collection vehicle different conditions, and according to the vehicle
Data flow judges the working condition of vehicle all parts；
Cylinder pressure of engines data analysis module, the cylinder for collection vehicle per cylinder engine press data, and according to institute
State the working condition that cylinder pressure data judge the vehicle motor；
Engine cylinder body analysis module, the crackle for analyzing the engine interior according to engine cylinder body internal image
Situation and carbon distribution situation, determine engine cylinder body situation；
Engine performance analysis module is used for the manufacture engine performance parameter of available engine performance parameter and vehicle
Compare, judges engine power performance situation；
Comprehensive Assessment module, for each according to the body paint planar defect, the vehicle chassis deformation condition, the vehicle
The working condition of a component, the engine cylinder body situation and the engine power performance status assessment vehicle integrated status.
The beneficial effects of the invention are as follows：Due to being equipped with five collection points of acquisition in each body paint face data collection surface, this
The efficiency of the vehicle body lacquer painting detection of sample vehicle can greatly improve, compared to its collection point of original vehicle body lacquer painting detection setting, effect
Rate can improve 30% or so；Meanwhile the situation of vehicle chassis is judged by segmentation, more rapidly and vehicle bottom can be accurately reflected
Plate-like condition；By the way that available engine performance parameter compared with the manufacture engine performance parameter of vehicle, can be accurately reflected hair
The service condition of motivation；Entire used car detecting system, will not introduce the factor thought, by final Comprehensive Assessment module come
Evaluate the final mass situation of used car.
Further, the used car detecting system further includes manual input module, for inputting artificial range estimation inspection result,
The artificial range estimation inspection result is sent to the Comprehensive Assessment module for evaluating vehicle integrated status.
Advantageous effect using above-mentioned further scheme is：By manual input module, by artificial Glassless flaw, lack
It falls into and is input in detecting system, the integrality and accuracy of detecting system can be improved.
Further, five collection points include four be distributed on described each four angles of body paint face data collection surface
A collection point, and a collection point positioned at each body paint face data collection surface centre position.
Advantageous effect using above-mentioned further scheme is：It is easier to generate change in single body paint face data collection surface
The position of shape and repair is normally on the position at four angles of single body paint face data collection surface, then in single vehicle body lacquer painting
The centre position of data collection surface increases a collection point, it can be ensured that the accurate of each single body paint face data collection surface
Measurement and objective evaluation.
Further, the quantity of the body paint face data collection surface is 16 to 20.
Advantageous effect using above-mentioned further scheme is：Different vehicles is set separately different body paint face datas
Collection surface quantity contributes to the body paint planar condition for accurately measuring different automobile types, is convenient for system evaluation.
Further, the vehicle chassis data analysis module includes vehicle chassis data acquisition unit and vehicle chassis data
Comparing unit,
The vehicle chassis data acquisition unit, for acquiring chassis leading portion front end data, chassis center section front end data, bottom
Disk stage casing Back end data and chassis back segment Back end data；
The vehicle chassis data comparing unit is used for any one group of vehicle chassis data in four groups of vehicle chassis data
Vehicle historical data corresponding with the vehicle chassis position, vehicle production data or vehicle release data are compared, and are determined
Described chassis deformation condition.
Advantageous effect using above-mentioned further scheme is：By acquiring chassis leading portion front end data, chassis center section front end
Data, chassis center section Back end data and chassis back segment Back end data, then by it with vehicle historical data, vehicle production data or
Vehicle release data are compared, and can accurately determine the chassis deformation condition of vehicle.
Further, the vehicle chassis data analysis module is including further including additional measuring unit, for working as the chassis
When stage casing front end data is unqualified, increase additional measurement data in the chassis leading portion and the chassis center section；When the chassis
When stage casing Back end data is unqualified, increase additional measurement data in the chassis center section and the chassis back segment；According to described attached
Measurement data is added to determine a specific location for chassis deformation.
Advantageous effect using above-mentioned further scheme is：Additional measurement data by adding measuring unit can be accurate
It determines a specific location for chassis deformation, improves the accuracy of system detectio.
Further, in the cylinder pressure of engines data analysis module, be more than when the difference between multiple cylinder body cylinder pressure values or
When equal to 1Kpa, the engine cylinder body situation is unqualified.
Advantageous effect using above-mentioned further scheme is：It, can be with accurate evaluation by the way that 1Kpa cylinder pressure difference standards are arranged
The cylinder body situation of engine.
Further, the carbon distribution situation includes throttle body carbon distribution, valve carbon distribution, inlet manifold deposit and combustion chamber product
Carbon.
Advantageous effect using above-mentioned further scheme is：By detecting throttle body carbon distribution, valve carbon distribution, inlet manifold
Deposit and combustion-chamber deposit can accurately reflect the carbon distribution situation of engine cylinder body, assess the performance of engine.
Further, the engine performance parameter includes maximum drawbar pull, maximum torque point speed, maximum torque point electric work
Rate, torque power percentage.
Advantageous effect using above-mentioned further scheme is：By detecting maximum drawbar pull, maximum torque point speed, maximum
The data of torque point electrical power, torque power percentage can precisely judge the performance of engine.
The present invention also provides a kind of used car detection methods, include the following steps：
Step S1 sets the quantity of body paint face data collection surface, each vehicle body lacquer painting number according to different vehicles
It is set there are five collection point according to collection surface；Judge body paint planar defect according to the body paint face data；
Step S2, the vehicle chassis data of collection vehicle chassis difference segmentation；Judge vehicle chassis deformation condition；
Step S3, the vehicle data stream under collection vehicle different conditions, and judge that vehicle is each according to the vehicle data stream
The working condition of a component；
The cylinder of step S4, collection vehicle per cylinder engine press data, and press data to judge the vehicle according to the cylinder
The working condition of engine；
Step S5 analyzes the crackle situation and carbon distribution situation of the engine interior according to engine cylinder body internal image,
Determine engine cylinder body situation；
Step S6 judges engine by available engine performance parameter compared with the manufacture engine performance parameter of vehicle
Power performance situation；
Step S7, according to the body paint planar defect, the work of the vehicle chassis deformation condition, the vehicle all parts
Make state, the engine cylinder body situation and the engine power performance status assessment vehicle integrated status.
The advantageous effect of used car detection method of the present invention is：By being equipped with acquisition in each body paint face data collection surface
The efficiency of five collection points, the vehicle body lacquer painting detection of such vehicle can greatly improve, compared to the detection setting of original vehicle body lacquer painting
Its collection point, efficiency can improve 30% or so；Meanwhile the situation of vehicle chassis is judged by segmentation, can more rapidly and
Accurately reflect vehicle chassis situation；By by available engine performance parameter compared with the manufacture engine performance parameter of vehicle,
The service condition of engine can be accurately reflected；Entire used car detecting system, will not introduce the factor thought, by final
Comprehensive Assessment module evaluates the final mass situation of used car.
Further, five collection points include being distributed in each body paint face data collection surface four in the step S1
Four collection points on angle, and a collection point positioned at each body paint face data collection surface centre position.
Advantageous effect using above-mentioned further scheme is：It is easier to generate change in single body paint face data collection surface
The position of shape and repair is normally on the position at four angles of single body paint face data collection surface, then in single vehicle body lacquer painting
The centre position of data collection surface increases a collection point, it can be ensured that the accurate of each single body paint face data collection surface
Measurement and objective evaluation.
Further, the step S2 is specifically included：
Acquire chassis leading portion front end data, chassis center section front end data, chassis center section Back end data and chassis back segment rear end
Data；
By the vehicle corresponding with the vehicle chassis position of any one group of vehicle chassis data in four groups of vehicle chassis data
Historical data, vehicle production data or vehicle release data are compared, when difference is greater than or equal to setting value, described in determination
Chassis deformation condition；
When the chassis center section front end data is unqualified, increase additional survey in the chassis leading portion and the chassis center section
Measure data；When the chassis center section Back end data is unqualified, increase additional survey in the chassis center section and the chassis back segment
Measure data；A specific location for chassis deformation is determined according to the additional measurement data.
Advantageous effect using above-mentioned further scheme is：By acquiring chassis leading portion front end data, chassis center section front end
Data, chassis center section Back end data and chassis back segment Back end data, then by it with vehicle historical data, vehicle production data or
Vehicle release data are compared, and can accurately determine the chassis deformation condition of vehicle；By adding the additional of measuring unit
Measurement data can accurately determine a specific location for chassis deformation, improve the accuracy of system detectio.
Description of the drawings
Fig. 1 is the structure diagram of used car detecting system of the present invention,
Fig. 2 is the flow chart of used car detection method of the present invention,
Fig. 3 is engine performance analysis result.
In attached drawing, parts list represented by the reference numerals are as follows：
100, body paint face data analysis module, 200, vehicle chassis data analysis module, 201, vehicle chassis data adopt
Collect unit, 202, vehicle chassis data comparing unit, 203, additional measuring unit, 300, vehicle computer data analysis module,
400, cylinder pressure of engines data analysis module, 500, engine cylinder body analysis module, 600, engine performance analysis module, 700,
Comprehensive Assessment module, 800, manual input module
Specific implementation mode
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
The structure diagram of used car detecting system of the present invention is referring to Fig. 1, used car detecting system, which is characterized in that including：
Body paint face data analysis module 100, the number for setting body paint face data collection surface according to different vehicles
Amount, each body paint face data collection surface are set there are five collection point；Judge body paint planar defect according to body paint face data；
Five collection points include four collection points being distributed on each four angles of body paint face data collection surface, and are located at
One collection point in each body paint face data collection surface centre position.The quantity of body paint face data collection surface is 16 to 20
It is a
Vehicle chassis data analysis module 200, the vehicle chassis data for the segmentation of collection vehicle chassis difference；Judge vehicle
Chassis deformation condition；
Vehicle chassis data analysis module 200 includes that vehicle chassis data acquisition unit 201 and vehicle chassis data compare
Unit 202,
Vehicle chassis data acquisition unit 201, for acquiring chassis leading portion front end data, chassis center section front end data, bottom
Disk stage casing Back end data and chassis back segment Back end data；
Vehicle chassis data comparing unit 202 is used for any one group of vehicle chassis data in four groups of vehicle chassis data
Vehicle historical data corresponding with vehicle chassis position, vehicle production data or vehicle release data are compared, and determine a bottom
Disk deformation condition.
Vehicle chassis data analysis module 200 is including further including additional measuring unit 203, for working as chassis center section front end number
According to it is unqualified when, on chassis, leading portion and chassis center section increase additional measurement data；When chassis center section Back end data is unqualified,
Chassis center section and chassis back segment increase additional measurement data；A specific location for chassis deformation is determined according to additional measurement data；
Vehicle computer data analysis module 300, for the vehicle data stream under collection vehicle different conditions, and according to vehicle
Data flow judges the working condition of vehicle all parts；
Cylinder pressure of engines data analysis module 400, for the cylinder pressure data of collection vehicle per cylinder engine, and according to
Cylinder pressure data judge the working condition of vehicle motor；In cylinder pressure of engines data analysis module 400, when multiple cylinder body cylinder pressure values
Between difference be greater than or equal to 1Kpa when, engine cylinder body situation is unqualified；
Engine cylinder body analysis module 500, the crackle for analyzing engine interior according to engine cylinder body internal image
Situation and carbon distribution situation, determine engine cylinder body situation；Carbon distribution situation includes throttle body carbon distribution, valve carbon distribution, inlet manifold
Deposit and combustion-chamber deposit；
Engine performance analysis module 600 is used for the manufacture engine performance of available engine performance parameter and vehicle
Parameter compares, and judges engine power performance situation；Engine performance parameter include maximum drawbar pull, maximum torque point speed,
Maximum torque point electrical power, torque power percentage；
Manual input module 800, for inputting artificial range estimation inspection result；
Comprehensive Assessment module 700, for according to body paint planar defect, vehicle chassis deformation condition, vehicle all parts
Working condition, engine cylinder body situation, engine power performance situation and artificial range estimation inspection result evaluate vehicle integrated status.
Five collection points of acquisition are equipped in each body paint face data collection surface, the efficiency of the vehicle body lacquer painting detection of such vehicle can be significantly
It improves, compared to its collection point of original vehicle body lacquer painting detection setting, efficiency can improve 30% or so；Meanwhile being sentenced by segmentation
The situation of disconnected vehicle chassis more rapidly and can accurately reflect vehicle chassis situation；By by available engine performance parameter
Compared with the manufacture engine performance parameter of vehicle, the service condition of engine can be accurately reflected；Entire used car detection system
System, will not introduce the factor thought, the final mass situation of used car is evaluated by final Comprehensive Assessment module.Single vehicle
The position that is easier to be deformed in body lacquer painting data collection surface and repair is normally at single body paint face data collection surface
Four angles position on, then single body paint face data collection surface centre position increase a collection point, it can be ensured that
To the accurate measurement of each single body paint face data collection surface and objective evaluation.By acquiring chassis leading portion front end data, bottom
Disk stage casing front end data, chassis center section Back end data and chassis back segment Back end data, then by itself and vehicle historical data, vehicle
Creation data or vehicle release data are compared, and can accurately determine the chassis deformation condition of vehicle.It is measured by additional
The additional measurement data of unit can accurately determine a specific location for chassis deformation, improve the accuracy of system detectio.It is logical
Setting 1Kpa cylinder pressure difference standards are crossed, it can be with the cylinder body situation of accurate evaluation engine.
Here is the detection data and examining report of a specific embodiment of used car detecting system of the present invention,
Following table is to be detected the essential information of vehicle.
| Brand and model | C grades of benz | Table shows mileage (km) | 123 |
| Vehicle identification code | XXXXX | Motor Number | XXXXXX |
| Body color | In vain | Character of use | Household |
| Send part people's name | Model | The date of production | 2015/10/5 |
Detected vehicle is four, three compartment type of vehicle, adds up to 17 body paint face data collection surfaces, and accumulative 85 are adopted
Collect point, following table is body paint face data analysis result.
Detection vehicle chassis leading portion front end data, chassis center section front end data, chassis center section Back end data and chassis respectively
Back segment Back end data, i.e. test point C, test point B, test point E and test point M, following table are vehicle chassis detection and data analysis
As a result.
Vehicle data stream under collection vehicle different conditions, and judge according to vehicle data stream the work of vehicle all parts
State, following table are vehicle computer data results.
| Detection | State | Error code could be removed |
| Electronic engine management system | Fault-free | - |
| Security system electric-control system | Fault-free | - |
| ABS anti-lock braking system | Fault-free | - |
| Automatic transmission control system | Fault-free | - |
| Electronic power assist steering control system | Fault-free | - |
| Electronics body stabilization system | Fault-free | - |
The cylinder of collection vehicle per cylinder engine presses data, and the work shape of vehicle motor is judged according to cylinder pressure data
State, following table are cylinder pressure of engines data results.
| Machine oil is mixed into without coolant liquid | It is |
| Cylinder presses total testing result | Cylinder pressure value finds that cylinder positive pressure is normal after testing |
By peeping image in engine, crackle situation and carbon distribution situation inside motivation are analyzed, determines engine cylinder body shape
Condition, following table are engine cylinder body analysis results.
By wheel positive and negative rotation and wheel torque detecting system cooperation detection available engine performance parameter, and by itself and vehicle
Manufacture engine performance parameter compare, judge that engine power performance situation, Fig. 3 are engine performance analysis results.
Comprehensive Assessment is carried out to used car according to above-mentioned individual event testing result and thermal technology's bore hole visual observation, following table is final
Overall merit is reported.
Used car detection method of the present invention includes the following steps referring to Fig. 2：
Step S1, the quantity of body paint face data collection surface is set according to different vehicles, and each body paint face data is adopted
Collection face is set there are five collection point；Judge body paint planar defect according to body paint face data；
Step S2, the vehicle chassis data of collection vehicle chassis difference segmentation；Judge vehicle chassis deformation condition；
Step S3, the vehicle data stream under collection vehicle different conditions, and each portion of vehicle is judged according to vehicle data stream
The working condition of part；
The cylinder of step S4, collection vehicle per cylinder engine press data, and press data to judge vehicle motor according to cylinder
Working condition；
Step S5 analyzes the crackle situation and carbon distribution situation of engine interior according to engine cylinder body internal image, determines
Engine cylinder body situation；
Step S6 judges engine by available engine performance parameter compared with the manufacture engine performance parameter of vehicle
Power performance situation；
Step S7, according to body paint planar defect, vehicle chassis deformation condition, vehicle all parts working condition, start
Machine cylinder body situation and engine power performance status assessment vehicle integrated status.
Five collection points include four acquisitions being distributed on each four angles of body paint face data collection surface in step S1
Point, and a collection point positioned at each body paint face data collection surface centre position.
Step S2 is specifically included：
Acquire chassis leading portion front end data, chassis center section front end data, chassis center section Back end data and chassis back segment rear end
Data；
By any one group of vehicle chassis data vehicle history corresponding with vehicle chassis position in four groups of vehicle chassis data
Data, vehicle production data or vehicle release data are compared, and when difference is greater than or equal to setting value, determine that a chassis becomes
Shape condition；
When chassis center section front end data is unqualified, on chassis, leading portion and chassis center section increase additional measurement data；Work as bottom
When disk stage casing Back end data is unqualified, increase additional measurement data in chassis center section and chassis back segment；According to additional measurement data
Determine a specific location for chassis deformation.
By being equipped with five collection points of acquisition, the vehicle body lacquer painting detection of such vehicle in each body paint face data collection surface
Efficiency can greatly improve, compared to its collection point of original vehicle body lacquer painting detection setting, efficiency can improve 30% or so；Together
When, the situation of vehicle chassis is judged by segmentation, more rapidly and can accurately reflect vehicle chassis situation；By by existing hair
Motivation performance parameter can accurately reflect the service condition of engine compared with the manufacture engine performance parameter of vehicle；Entirely
Used car detecting system will not introduce the factor thought, the final matter of used car is evaluated by final Comprehensive Assessment module
Amount situation.
In the description of the present invention, it is to be understood that, term "center", " length ", " width ", "upper", "lower", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner" is that orientation based on ... shown in the drawings or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, not indicating or implying the indicated device or element must have
Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be direct phase
Even, can also can be indirectly connected through an intermediary that the interaction of the connection or two elements inside two elements is closed
System.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood as the case may be
Meaning.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or "lower"
It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " include first special
Sign is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
The used car detecting system and detection method of the present invention are described in detail above, it is used herein specifically
Principle and implementation of the present invention are described for a example.The explanation of above example is only intended to help to understand the present invention
Core concept；Meanwhile for those of ordinary skill in the art, according to the thought of the present invention, in specific implementation mode and answer
With there will be changes in range, in conclusion the content of the present specification should not be construed as limiting the invention.
Claims (8)
1. a kind of used car detecting system, which is characterized in that including：
Body paint face data analysis module (100), the quantity for setting body paint face data collection surface according to different vehicles,
Each body paint face data collection surface sets that there are five collection points；Judge body paint planar defect according to the body paint face data；
Vehicle chassis data analysis module (200), the vehicle chassis data for the segmentation of collection vehicle chassis difference；Judge vehicle
Chassis deformation condition；
Vehicle computer data analysis module (300), for the vehicle data stream under collection vehicle different conditions, and according to the vehicle
Data flow judges the working condition of vehicle all parts；
Cylinder pressure of engines data analysis module (400), the cylinder for collection vehicle per cylinder engine press data, and according to institute
State the working condition that cylinder pressure data judge the vehicle motor；
Engine cylinder body analysis module (500), for analyzing splitting for the engine interior according to engine cylinder body internal image
Line situation and carbon distribution situation, determine engine cylinder body situation；
Engine performance analysis module (600), for joining available engine performance parameter and the manufacture engine performance of vehicle
Number compares, and judges engine power performance situation；
Comprehensive Assessment module (700), for according to the body paint planar defect, the vehicle chassis deformation condition, the vehicle
The working condition of all parts, the engine cylinder body situation and the engine power performance status assessment vehicle integrate shape
Condition；
The used car detecting system further includes manual input module (800), for inputting artificial range estimation inspection result, the people
Work range estimation inspection result is sent to the Comprehensive Assessment module (700) for evaluating vehicle integrated status；
Five collection points include four collection points being distributed on described each four angles of body paint face data collection surface, and
A collection point positioned at each body paint face data collection surface centre position；
The quantity of the body paint face data collection surface is 16 to 20；
The vehicle chassis data analysis module (200) includes vehicle chassis data acquisition unit (201) and vehicle chassis data
Comparing unit (202),
The vehicle chassis data acquisition unit (201), for acquire chassis leading portion front end data, chassis center section front end data,
Chassis center section Back end data and chassis back segment Back end data；
The vehicle chassis data comparing unit (202) is used for any one group of vehicle chassis number in four groups of vehicle chassis data
It is compared according to vehicle historical data corresponding with the vehicle chassis position, vehicle production data or vehicle release data, really
The fixed chassis deformation condition.
2. used car detecting system according to claim 1, which is characterized in that the vehicle chassis data analysis module
(200) it further includes additional measuring unit (203) to include, and is used for when the chassis center section front end data is unqualified, at the bottom
Disk leading portion and the chassis center section increase additional measurement data；When the chassis center section Back end data is unqualified, at the bottom
Disk stage casing and the chassis back segment increase additional measurement data；The specific of a chassis deformation is determined according to the additional measurement data
Position.
3. used car detecting system according to claim 1, which is characterized in that the cylinder pressure of engines data analysis module
(400) in, when the difference between multiple cylinder body cylinder pressure values is greater than or equal to 1Kpa, the engine cylinder body situation is unqualified.
4. used car detecting system according to claim 1, which is characterized in that the carbon distribution situation includes air throttle volume
Carbon, valve carbon distribution, inlet manifold deposit and combustion-chamber deposit.
5. used car detecting system according to claim 1, which is characterized in that the engine performance parameter includes maximum
Tractive force, maximum torque point speed, maximum torque point electrical power, torque power percentage.
6. a kind of used car detection method using any used car detecting system of claim 1 to 5, which is characterized in that including
Following steps：
Step S1, the quantity of body paint face data collection surface is set according to different vehicles, and each body paint face data is adopted
Collection face is set there are five collection point；Judge body paint planar defect according to the body paint face data；
Step S2, the vehicle chassis data of collection vehicle chassis difference segmentation；Judge vehicle chassis deformation condition；
Step S3, the vehicle data stream under collection vehicle different conditions, and each portion of vehicle is judged according to the vehicle data stream
The working condition of part；
The cylinder of step S4, collection vehicle per cylinder engine press data, and press data to judge that the vehicle is sent out according to the cylinder
The working condition of motivation；
Step S5 analyzes the crackle situation and carbon distribution situation of the engine interior according to engine cylinder body internal image, determines
Engine cylinder body situation；
Step S6 judges engine power by available engine performance parameter compared with the manufacture engine performance parameter of vehicle
Performance condition；
Step S7, according to the body paint planar defect, the work shape of the vehicle chassis deformation condition, the vehicle all parts
State, the engine cylinder body situation and the engine power performance status assessment vehicle integrated status.
7. used car detection method according to claim 6, which is characterized in that five collection points include in the step S1
Four collection points on described each four angles of body paint face data collection surface are distributed in, and are located at each vehicle body lacquer painting number
According to a collection point in collection surface centre position.
8. the used car detection method described according to claim 6 or 7, which is characterized in that the step S2 is specifically included：
Acquire chassis leading portion front end data, chassis center section front end data, chassis center section Back end data and chassis back segment rear end number
According to；
By the vehicle history corresponding with the vehicle chassis position of any one group of vehicle chassis data in four groups of vehicle chassis data
Data, vehicle production data or vehicle release data are compared, and when difference is greater than or equal to setting value, determine a bottom
Disk deformation condition；
When the chassis center section front end data is unqualified, increase additional measurement number in the chassis leading portion and the chassis center section
According to；When the chassis center section Back end data is unqualified, increase additional measurement number in the chassis center section and the chassis back segment
According to；A specific location for chassis deformation is determined according to the additional measurement data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510970574.6A CN105628093B (en) | 2015-12-22 | 2015-12-22 | A kind of used car detecting system and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510970574.6A CN105628093B (en) | 2015-12-22 | 2015-12-22 | A kind of used car detecting system and detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105628093A CN105628093A (en) | 2016-06-01 |
| CN105628093B true CN105628093B (en) | 2018-09-11 |
Family
ID=56043239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510970574.6A Expired - Fee Related CN105628093B (en) | 2015-12-22 | 2015-12-22 | A kind of used car detecting system and detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105628093B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470487A (en) * | 2017-09-08 | 2019-03-15 | 邹强 | SUC performance detecting system and its method |
| CN109084998A (en) * | 2018-09-18 | 2018-12-25 | 深圳易嘉恩科技有限公司 | Vehicle safety automatic checkout system and method |
| CN109883725A (en) * | 2019-01-23 | 2019-06-14 | 中永（苏州）信息技术有限公司 | A kind of detection of used car, evaluation analysis and residual value assessment system |
| CN109632341A (en) * | 2019-01-23 | 2019-04-16 | 中永（苏州）信息技术有限公司 | A method of suitable for detecting, analyzing used car performance |
| CN110108245B (en) * | 2019-05-22 | 2021-04-13 | 优信拍（北京）信息科技有限公司 | Method, device and equipment for detecting vehicle paint surface condition |
| CN115496440B (en) * | 2022-09-15 | 2023-05-23 | 广东数鼎科技有限公司 | Determination method and device for stock quantity of second hand vehicle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201628625U (en) * | 2010-03-04 | 2010-11-10 | 王铁忠 | Portable secondhand car automatic evaluation system |
| CN101793611B (en) * | 2010-03-04 | 2016-01-20 | 北京巅峰科技有限公司 | A kind of portable automatic identifying system for second-hand vehicles |
| JP5538475B2 (en) * | 2012-05-25 | 2014-07-02 | 本田技研工業株式会社 | External diagnostic device, vehicle diagnostic system, and vehicle diagnostic method |
| CN203606141U (en) * | 2013-10-28 | 2014-05-21 | 程东 | A secondary-hand automobile quantification identification assessment system |
| CN204301679U (en) * | 2014-12-18 | 2015-04-29 | 西华大学 | A kind of equipment used car being carried out to collision accident detection |
-
2015
- 2015-12-22 CN CN201510970574.6A patent/CN105628093B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105628093A (en) | 2016-06-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105628093B (en) | A kind of used car detecting system and detection method | |
| Wassiliadis et al. | Quantifying the state of the art of electric powertrains in battery electric vehicles: Range, efficiency, and lifetime from component to system level of the Volkswagen ID. 3 | |
| Duarte et al. | Analysis of fuel consumption and pollutant emissions of regulated and alternative driving cycles based on real-world measurements | |
| CN104034466B (en) | A kind of vehicle power measuring and calculation method, device | |
| CN111201374B (en) | Calculation of exhaust emissions of a motor vehicle | |
| CN103135515A (en) | Diagnostic method for vehicle condition | |
| CN106154164B (en) | Battery health state assessment method | |
| EP2157003B1 (en) | Evaluation device for calculating a CO2 emission and method for displaying a CO2 emission | |
| US20110224948A1 (en) | Method for the diagnosis of the egr cooler efficiency in a diesel engine | |
| US9299201B2 (en) | Acquisition of in-vehicle sensor data and rendering of aggregate average performance indicators | |
| CN103543020B (en) | A kind of method based on the second-hand automobile newness rate of in good time technology for detection data evaluation | |
| CN109165461B (en) | Method for acquiring pollutant emission factor of heavy-duty car tail gas in real time | |
| CN109087144A (en) | A kind of detection of used car and valuation system | |
| CN106352934B (en) | The fuel economy test macro and method of plug-in hybrid electric vehicle | |
| JP2003166818A (en) | Tire inspecting method and device | |
| CN108229832A (en) | Pure electric bus selection method based on road operation test and Fuzzy Hierarchy Method | |
| Cha et al. | A study of prediction based on regression analysis for real-world co2 emissions with light-duty diesel vehicles | |
| CN109002032A (en) | A kind of cloud vehicle failure intelligent diagnostics matching system | |
| CN102338743B (en) | Mid-infrared spectrum method for identifying engine fuel type and brand | |
| Yang et al. | Evaluation of real-world fuel consumption of light-duty vehicles in China | |
| CN104865346A (en) | Method and apparatus for verification of data acquired by vehicle tail gas detection system | |
| CN111896264B (en) | Method and device for generating test working condition of range extender engine and electronic equipment | |
| CN102435441A (en) | Data acquisition system for emission parameter of moving vehicle | |
| Sener | Determination of vehicle components fatigue life based on FEA method and experimental analysis | |
| CN110455377A (en) | Fuel vehicle course continuation mileage display matching rack and test method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180911 Termination date: 20191222 |