CN102818599A - Automobile fuel consumption fast detection system based on carbon balance principle - Google Patents
Automobile fuel consumption fast detection system based on carbon balance principle Download PDFInfo
- Publication number
- CN102818599A CN102818599A CN2011101647640A CN201110164764A CN102818599A CN 102818599 A CN102818599 A CN 102818599A CN 2011101647640 A CN2011101647640 A CN 2011101647640A CN 201110164764 A CN201110164764 A CN 201110164764A CN 102818599 A CN102818599 A CN 102818599A
- Authority
- CN
- China
- Prior art keywords
- fuel consumption
- gas
- automobile fuel
- detection system
- balance principle
- 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.)
- Pending
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to an automobile fuel consumption fast detection system based on the carbon balance principle. The automobile fuel consumption fast detection system based on the carbon balance principle is characterized by comprising four parts including an exhaust collecting system, an exhaust flow rate analysis system, a gas component analysis system and an automobile fuel consumption calculation system. The automobile fuel consumption fast detection system has the advantages that through the design of a reasonable air flow rate sensor group, interference factors such as turbulent flow are avoided, and the accuracy and the reliability of the gas collection are ensured; and an infrared gas analysis sensor based on an NDIR (non-dispersive infra-red) sensor is adopted, the contents of gas such as CO2, CO and HC in exhaust gas are effectively distinguished, and the content of C is judged. The fast response is realized, and the measurement precision is improved; and according to selected gas collecting modes and gas components, a stable, reliable and accurate mathematical model is built in special test environment and procedures according to parameters such as the exhaust gas temperature, the exhaust gas flow rate and the fuel quality, and the fuel consumption value is further estimated accurately.
Description
Affiliated technical field
The invention belongs to the detection technique of automobile fuel consumption measuring method, relate to concretely according to the fuel oil of automobile consumption and the oil consumption detection technique of waste gas produced middle carbon content equilibrium principle research thereof.
Background technology
Present vehicle fuel consume measuring method both domestic and external can be summed up as the direct method of measurement and the indirect method of measurement two big classes.
The direct method of measurement is the oil consumption that obtains automobile through fuel oil volume that automobile consumed in metering certain hour or the mileage or quality.This method can reflect true oil consumption, but needs the disintegration oil pipe, is not suitable for the productive temp requirement of motor vehicle inspection station.
The indirect method of measurement be carbon balance method be through motor car engine before fuel oil and air burning with burning after carbon (C) mass balance technology, obtain the oil consumption of automobile.As long as this method record contain in the exhaust (or diluted exhaust) the C composition (mainly be CO2, CO, HC) and the flow of exhaust (or diluted exhaust), total just can obtain the C quality in the exhaust; C quality before the burning is mainly derived from fuel, the C that the air (or the air that is used to dilute) that consideration simultaneously participates in burning contains.Therefore, as long as measure the flow and the concentration and the airborne C of the containing constituent concentration that contain the C composition of (dilution) exhaust, just can realize the do not disintegrate measurement of oil consumption of automobile and engine, the drawback of solution direct method of measurement existence.
The indirect method of measurement can be divided into two kinds again:
A kind of is that mensuration is directly adopted in exhaust, utilizes exhaust flow-meter to measure the engine exhaust flow, analyzes CO2 in the exhaust, the concentration of CO and HC through the exhaust Direct Sampling.Not enough below this method exists: contain a large amount of water in the exhaust, condensation can take place in gas appearance in course of conveying; There is pressure surge in exhaust, and temperature is very high, and the accurate measurement extraction flow is difficulty relatively; Common eddy currents, orifice-plate type and turbine meter guarantee the long-term relatively difficulty of measuring of the high precision of extraction flow; Sample connection and gas outlet will be tightly connected, and the automobile exhaust pipe caliber differs, and temperature is higher, and rapid and reliable is tightly connected very difficult; More domestic units have carried out the research work of aspect, but do not reach the practical stage.
Another kind is the exhaustion dilution measurement method, and exhaust is measured the flow of diluted exhaust and contained the C constituent concentration with air dilution back.A whole set of testing apparatus is very expensive, and high to the requirement of test environment, sample tap need be tightly connected with gas outlet, cooperates high-power blower, makes it on combination property detection line and production line, to be difficult to popularization and application.
The comparative maturity of external Carbon balance constant volume checkout equipment development, but the price of equipment is very high, and after sale service is inconvenient, is difficult to domestic measuring station and accepts.Therefore, based on above reason, be necessary very much to develop a new automobile fuel consumption detection method.
Summary of the invention
The objective of the invention is to develop the automobile fuel consumption detection system under a kind of suitable comprehensive vehicle performance measuring station environment and the productive temp condition.
System adopts the gas analysis sensor, can effectively differentiate the CO in the emission gases
2, gas contents such as CO, HC, judge the wherein content of C, realize response fast, improve the precision of measuring; And under specific test environment and rules,, set up the reliable and stable mathematical model of multiparameter accurately to improve accuracy of detection according to parameters such as delivery temperature, extraction flow, fuel qualities.
Automobile fuel consumption rapid detection system based on the Carbon balance principle of the present invention; It is characterized in that said automobile fuel consumption rapid detection system based on the Carbon balance principle comprises that exhaust acquisition system, extraction flow analytic system, gas composition analytic system, automobile fuel consumption calculate system's four parts.
Further; Said exhaust acquisition system comprises fast-assembling gas acquisition probe, gas collector, anti-flow-disturbing cavity, and said exhaust acquisition probe adopts exotic material to process; Can adapt to the gas outlet hot environment; It is more stable than existing mode that special collection position can effectively guarantee to gather air-flow, and acquisition range is wider, near an appearance gas average density.
Further; Said extraction flow analytic system comprises high temperature resistant gas flow sensor group, volumetric analysis processor; Said extraction flow sensor groups combines sensors such as temperature, humidity, gas volume; The sensor groups of forming many acquisition parameters to reach the introducing Multiple-Factor Model, makes test result more accurate;
Further, said gas composition analytic system comprises Multi-Component Gas Analyzing device, gas attemperator, data processing unit, the built-in multifactor emission gases measure analysis algorithm of said extraction flow analysis processor, accurately measured automobiles exhaust volume.
Further, said automobile fuel consumption calculating system comprises that data acquisition unit, data processing host computer, data external show dot matrix screen (operating mode indicator panel).
Further, said exhaust acquisition probe adopts the rapid-mounted pattern, and is easy to use, and can guarantee that automobile exhaust pipe and flowmeter air collecting pipe are tightly connected;
Further, said gas composition analytic system adopts rational sampling pump and filtering system, filters out and detect irrelevant moisture and gas composition, can strengthen accuracy of detection, improves the precision of analytic unit.
Further, said gas composition analytic system adopts advanced multicomponent gas detecting sensor, accurately the carbonaceous component value in the measurement gas
Further, said automobile fuel consumption calculates the system data collecting unit and adopts embedded WINCE system design, is responsible for gathering the signal of each several part sensor; Carry out A/D conversion, digital data acquisition etc.; The result is outputed to the data processing host computer, and this part acquisition system operational efficiency is high, and port number is many; Extendability is strong, effectively guarantees to detect the reliable in real time of data.
Further, said automobile fuel consumption rapid detection system based on the Carbon balance principle also is provided with dynamometer machine, and said dynamometer machine includes speed pickup and eddy current absorption dynamometer.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described
Accompanying drawing is a detection system process flow diagram of the present invention
Embodiment
Accompanying drawing is depicted as structural representation of the present invention, and the automobile fuel consumption rapid detection system of Carbon balance principle comprises exhaust acquisition system, extraction flow analytic system, gas composition analytic system and gasoline oil consumption computing system.Said exhaust acquisition system comprises fast-assembling gas acquisition probe, gas collector and anti-flow-disturbing cavity design, and the extraction flow analytic system comprises high temperature resistant gas flow sensor group, volumetric analysis processor.The device of gas be fit to is gathered in exploitation, through gas flow sensor group reasonable in design, to avoid disturbing factor such as flow-disturbing, guarantees gas collecting and flow detection accurately and reliably;
The gas composition analytic system comprises four component gas analytical equipments, gas attemperator, data processing unit.Employing is based on the infrared gas analysis sensor of NDIR sensor, effectively differentiates gas contents such as CO2 in the emission gases, CO, HC, judges the wherein content of C;
Automobile fuel consumption calculating system comprises that data acquisition unit, data processing host computer, data external show dot matrix screen (operating mode indicator panel) according to gas collecting mode and the gas composition chosen, and the efficient algorithm of C content is judged in research, and then infers the vehicle oil consumption amount;
As shown in the figure; At auto exhaust tube afterbody the exhaust acquisition probe is installed, is inhaled to gas acquisition probe by the gas sample pump, be provided with gas cleaner in the rear end of gas sample pump through the gas that exhaust is gathered; Gas flow Multi-Component Gas Analyzing appearance after the filtration; Pass to automobile fuel consumption calculating system through the result behind the gas analyzer, analyze the data that main frame combines eddy current absorption dynamometer, automobile fuel consumption is shown on display screen through the oil consumption in the oil consumption analytic system.
End at gas acquisition probe is provided with the extraction flow analytic system; The gas flow sensor group of extraction flow analytic system is arranged on the gas acquisition probe place, and sensor groups is the sensors such as temperature, humidity and gas volume of exhaust comprehensively, forms the sensor groups of many acquisition parameters; Can reach the introducing Multiple-Factor Model; Make test result more accurate, simultaneously the built-in multifactor exhaust gas measure analysis operation method of extraction flow analysis processor, accurately measured automobiles exhaust volume.
At the rear portion of gas acquisition probe the gas composition analytic system is set; Analytic system includes gas sample pump, gas cleaner and Multi-Component Gas Analyzing appearance; Through being provided with in the gas suction pump of sampling pump with motor vehicle emission, the gas flow filter cleaner filters out the moisture and the gas composition that have nothing to do with detection in the gas then; Can strengthen accuracy of detection, improve the precision of analytic unit.Adopt advanced multicomponent gas detecting sensor simultaneously, accurately contain C component value in the measurement gas.Adopting among the present invention is four component gas detecting sensors.
More than three data that system detected feed back to the processing of automotive oil tank computing system, in data acquisition unit, adopt embedded WINCE system design, it is responsible for gathering the signal of each several part sensor; Carry out the A/D conversion; Digital data acquisitions etc. output to the processing host computer with the result, and this part adopts the AS operational efficiency high, and passage is many; Extendability is strong, effectively guarantees to detect the real-time reliability of data.Said data processing host computer is the core of vehicle fuel calculation consumption value; Through the combinational algorithm of fuzzy mathematics and expert system, the accurate Calculation automobile fuel consumption can be made the detection form; And through digital interface and external server or terminal data communication, further to satisfy the networking requirement; Data external shows that dot matrix screen (operating mode indicator panel) can show the speed of a motor vehicle in real time, loads important parameters such as moment of torsion, real-time fuel consumption, segmentation oil consumption, for the experimenter provides operation indicating and data presentation.
Automobile is under the road running mode that the dynamometer machine bench simulation comes out, to carry out oil consumption to detect simultaneously.Be provided with speed pickup and eddy current absorption dynamometer in the dynamometer system; Its function is for oil consumption detects simulated condition to be provided; And parameters such as the speed in the detection vehicle ', road horsepower, form closed-loop control, guarantee the true and reliable of simulation running environment; And then make the data that offer the oil consumption analytic system more reliable, and the data precision and the reliability that detect at last are improved.
Explanation is at last; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment to technical scheme of the present invention or/and be equal to replacement; And not breaking away from the aim and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (10)
1. automobile fuel consumption rapid detection system based on the Carbon balance principle; It is characterized in that the automobile fuel consumption rapid detection system of said Carbon balance principle comprises that exhaust acquisition system, extraction flow analytic system, gas composition analytic system, automobile fuel consumption calculate system's four parts.
2. the automobile fuel consumption rapid detection system based on the Carbon balance principle according to claim 1; It is characterized in that: said exhaust acquisition system comprises fast-assembling gas acquisition probe, gas collector, anti-flow-disturbing cavity; Said exhaust acquisition probe adopts exotic material to process.
3. the automobile fuel consumption rapid detection system based on the Carbon balance principle according to claim 1; It is characterized in that: said extraction flow analytic system comprises high temperature resistant gas flow sensor group, volumetric analysis processor, and said extraction flow sensor groups comprises sensors such as temperature, humidity, gas volume.
4. the automobile fuel consumption rapid detection system based on the Carbon balance principle according to claim 1; It is characterized in that: said gas composition analytic system comprises four component gas analytical equipments, gas attemperator, data processing unit, the built-in multifactor emission gases measure analysis algorithm of said extraction flow analysis processor.
5. the automobile fuel consumption rapid detection system based on the Carbon balance principle according to claim 1 is characterized in that: said automobile fuel consumption calculating system comprises that data acquisition unit, data processing host computer, data external show dot matrix screen (operating mode indicator panel).
6. the automobile fuel consumption rapid detection system based on the Carbon balance principle according to claim 2 is characterized in that: said exhaust acquisition probe adopts the rapid-mounted pattern.
7. the automobile fuel consumption rapid detection system based on the Carbon balance principle according to claim 4 is characterized in that: said gas composition analytic system adopts rational sampling pump and filtering system.
8. the automobile fuel consumption rapid detection system based on the Carbon balance principle according to claim 4 is characterized in that said gas composition analytic system adopts advanced multicomponent gas detecting sensor.
9. the automobile fuel consumption rapid detection system based on the Carbon balance principle according to claim 5; It is characterized in that said automobile fuel consumption calculates the system data collecting unit and adopts embedding wince system design; Be responsible for gathering the signal of each several part sensor; Carry out A/D conversion, digital data acquisition etc., the result is outputed to the data processing host computer.
10. the automobile fuel consumption rapid detection system based on the Carbon balance principle according to claim 1; It is characterized in that: said automobile fuel consumption rapid detection system based on the Carbon balance principle also is provided with dynamometer machine, and said dynamometer machine includes speed pickup and eddy current absorption dynamometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101647640A CN102818599A (en) | 2011-06-08 | 2011-06-08 | Automobile fuel consumption fast detection system based on carbon balance principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101647640A CN102818599A (en) | 2011-06-08 | 2011-06-08 | Automobile fuel consumption fast detection system based on carbon balance principle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102818599A true CN102818599A (en) | 2012-12-12 |
Family
ID=47302861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101647640A Pending CN102818599A (en) | 2011-06-08 | 2011-06-08 | Automobile fuel consumption fast detection system based on carbon balance principle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102818599A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104268304A (en) * | 2014-07-31 | 2015-01-07 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | engine instantaneous oil consumption determining method based on cylinder pressure |
| CN106370440A (en) * | 2016-10-26 | 2017-02-01 | 北京汽车研究总院有限公司 | Constant speed fuel consumption test method, device and system |
| CN109883495A (en) * | 2019-01-31 | 2019-06-14 | 山东理工大学 | A kind of engine fuel consumption rate calculation method based on Carbon balance principle |
| CN110487343A (en) * | 2019-09-22 | 2019-11-22 | 安徽安凯汽车股份有限公司 | A kind of simple oil consumption testing device of car and its working method |
| CN111179465A (en) * | 2019-12-13 | 2020-05-19 | 同济大学 | Automobile oil consumption prediction method |
| CN112146888A (en) * | 2020-09-23 | 2020-12-29 | 中国第一汽车股份有限公司 | Parameter calibration method, device, equipment and storage medium |
| CN114112966A (en) * | 2020-09-01 | 2022-03-01 | 中国石油化工股份有限公司 | Gas sensor testing device, method, machine readable storage medium and processor |
| CN114544862A (en) * | 2020-11-11 | 2022-05-27 | 镇江市勃岑内燃机配件有限公司 | Internal combustion engine tail gas emission detection system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1796999A (en) * | 2004-12-29 | 2006-07-05 | 比亚迪股份有限公司 | System for testing discharge of tail gas of automobile |
| CN101008588A (en) * | 2007-01-05 | 2007-08-01 | 武汉四方光电科技有限公司 | Device and method for measuring total amount of pollutants from motor vehicles and consumption of fuel |
| CN101592508A (en) * | 2009-06-29 | 2009-12-02 | 交通部公路科学研究院 | Automobile fuel consumption detection system and detection method thereof |
-
2011
- 2011-06-08 CN CN2011101647640A patent/CN102818599A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1796999A (en) * | 2004-12-29 | 2006-07-05 | 比亚迪股份有限公司 | System for testing discharge of tail gas of automobile |
| CN101008588A (en) * | 2007-01-05 | 2007-08-01 | 武汉四方光电科技有限公司 | Device and method for measuring total amount of pollutants from motor vehicles and consumption of fuel |
| CN101592508A (en) * | 2009-06-29 | 2009-12-02 | 交通部公路科学研究院 | Automobile fuel consumption detection system and detection method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 印辉: "基于碳平衡原理的汽车油耗检测仪的设计", 《武汉理工大学硕士论文》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104268304A (en) * | 2014-07-31 | 2015-01-07 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | engine instantaneous oil consumption determining method based on cylinder pressure |
| CN104268304B (en) * | 2014-07-31 | 2017-04-05 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | The method for determining motor instant oil consumption is pressed based on cylinder |
| CN106370440A (en) * | 2016-10-26 | 2017-02-01 | 北京汽车研究总院有限公司 | Constant speed fuel consumption test method, device and system |
| CN109883495A (en) * | 2019-01-31 | 2019-06-14 | 山东理工大学 | A kind of engine fuel consumption rate calculation method based on Carbon balance principle |
| CN110487343A (en) * | 2019-09-22 | 2019-11-22 | 安徽安凯汽车股份有限公司 | A kind of simple oil consumption testing device of car and its working method |
| CN110487343B (en) * | 2019-09-22 | 2024-04-16 | 安徽安凯汽车股份有限公司 | Simple fuel consumption testing device for passenger car and working method thereof |
| CN111179465A (en) * | 2019-12-13 | 2020-05-19 | 同济大学 | Automobile oil consumption prediction method |
| CN114112966A (en) * | 2020-09-01 | 2022-03-01 | 中国石油化工股份有限公司 | Gas sensor testing device, method, machine readable storage medium and processor |
| CN112146888A (en) * | 2020-09-23 | 2020-12-29 | 中国第一汽车股份有限公司 | Parameter calibration method, device, equipment and storage medium |
| CN114544862A (en) * | 2020-11-11 | 2022-05-27 | 镇江市勃岑内燃机配件有限公司 | Internal combustion engine tail gas emission detection system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102818599A (en) | Automobile fuel consumption fast detection system based on carbon balance principle | |
| CN105806627A (en) | Vehicle-mounted emission testing device and testing method thereof | |
| US6308130B1 (en) | Portable on-board mass emissions measuring system | |
| CN201314914Y (en) | Device for measuring exhaust pollutant from light automobile and engine thereof | |
| CN108181432B (en) | Method for testing full-component emission of motor vehicle exhaust pollutants | |
| CN105181343B (en) | Suitable for the simple vehicle-mounted emission test method of the heavy-duty car equipped with OBD | |
| CN1888857A (en) | Gasoline vehicle tail gas discharging pollutant total quantity measuring equipment and method thereof | |
| CN101000278A (en) | Method and device for measuring pollutant discharging total of motor vehicle | |
| CN101113947A (en) | Devices and methods for measuring granular material discharged by vehicle | |
| CN101008588A (en) | Device and method for measuring total amount of pollutants from motor vehicles and consumption of fuel | |
| CN108614074A (en) | A kind of real-time exhaust emission testing system of portable agricultural machinery diesel engine | |
| CN101196435A (en) | Vehicle fuel oil consumption testing device through exhaustion dilution measurement | |
| CN106525154A (en) | Measurement device for tail gas flow exhausted by car under actual driving condition | |
| CN102735799B (en) | A kind of motor exhaust monitoring system | |
| CN103543016A (en) | Complete vehicle operating-mode exhaust gas emission testing system | |
| CN201464362U (en) | Five-component automobile exhaust analyzer | |
| CN208254892U (en) | Integral type dust sampling instrument | |
| CN201983820U (en) | Carbon balanced method oil consumption detecting system | |
| CN201314915Y (en) | Device for measuring exhaust pollutant from motorcycle and engine thereof | |
| CN206683703U (en) | A kind of diesel vehicle carbon balanced method oil consumption detecting system | |
| CN218382650U (en) | Direct-reading smoke and fume tester | |
| CN108254506A (en) | A kind of offline exhaust contaminant transient behavior method measuring device of gasoline car | |
| CN202039929U (en) | Improved device for measuring pollutants from exhaust gas of non-road spark ignition engine | |
| CN205175755U (en) | Vehicle exhaust collection device and vehicle exhaust detecting system | |
| CN104500193A (en) | Automotive exhaust emission data acquisition and analysis system and processing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20121212 |