CN108489731A - A kind of quick ash contents of GPF based on burner accumulate ageing test apparatus - Google Patents
A kind of quick ash contents of GPF based on burner accumulate ageing test apparatus Download PDFInfo
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- CN108489731A CN108489731A CN201810077684.3A CN201810077684A CN108489731A CN 108489731 A CN108489731 A CN 108489731A CN 201810077684 A CN201810077684 A CN 201810077684A CN 108489731 A CN108489731 A CN 108489731A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
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Abstract
The present invention relates to a kind of quick ash contents of GPF based on burner to accumulate ageing test apparatus, oil inlet unit including providing machine oil and gasoline, compressed air unit, coflow air element, diluent air unit, burner unit and GPF units, wherein, burner unit includes burner cavity, spark plug on burner cavity, set on the tray for combustion and air-assisted atomisation injectors of burner cavity arrival end, oil inlet unit, compressed air unit and coflow air element pass through pipeline connection to the arrival end of burner cavity, mixing chamber is arranged in burner cavity rear end, diluent air unit is connected to mixing chamber, mixing cavity rear end connects the GPF units by gas exhaust piping.The quick ash content that GPF can be achieved in the present invention accumulates ageing process, the time cost of the research and development of enterprise is reduced, maximum machine oil gasoline mixed proportion can be chosen in the case of guarantee blended fuel oil good spray burning, the rate for significantly promoting consumption of lubricating oil, shortens test period.
Description
Technical field
The invention belongs to internal combustion engine post-processing technology fields, and in particular to a kind of quick ash content products of GPF based on burner
Tired ageing test apparatus.
Background technology
Energy and environment are the two big challenges that the whole mankind faces, and how energetically to cope with this two large problems becomes social concerns
Focus, every country in the world all formulated stringent motor vehicle emission and fuel economy regulation to guide gasoline engine to small
Type, low emission, pollution-free direction are developed.Direct spray petrol engine in cylinder is because of its preferable dynamic property, fuel economy, drives
The advantages that property, discharge, increasingly favored by automaker, however due to the fuel oil direct cylinder injection of GDI, thus draw
The air-fuel mixture risen is uneven and the wet wall phenomenon of fuel oil makes granular material discharged quality and quantity dramatically increase.Only with optimization cylinder internal combustion
Burning cannot be satisfied VI emission regulation of state that will implement to granular material discharged requirement, therefore gasoline engine is installed on gasoline engine
Grain catcher has become inevitable trend.
Grain catcher is a kind of filter in engine exhaust system, can be entered in Particulate Emission substance big
It is captured before gas.Gasoline engine grain catcher GPF (Gasoline Particulate Filter) can reduce gasoline engine
Grain object discharge, with the gradually implementation of six emission regulation of state, GPF has become the standard configuration of its after-treatment system.Its work
Principle is exhaust gas with certain flow velocity by porous wall surface, particulate matter respectively by diffusion, intercept, four kinds of gravity and inertia
Mode is captured filtering.Particulate matter deposits in the carrier by continuously micro particle catching, wherein oxidable particulate matter warp
Cross actively or passively regeneration re-oxidation burning, but inoxidizable ash content still can continuous deposition on GPF, improve
Exhaust back pressure reduces fuel economy and particle collection efficiency.The main source of ash content be exactly Zn in oil additives,
Sulfide, phosphide and the oxide of Ca and Mg derives from fuel oil and mechanical wear on a small quantity, therefore when carrying out GPF degradations,
The machine oil that certain mass need to be consumed can be only achieved expected ash-deposition.
The method of aging GPF mainly has at present：Real vehicle on-the-ground test, engine rig test and burner experiment, greatly
The mode that part document uses is both needed to larger economic cost and time cost for first two test method, and burner is tested
Low with maintenance cost with running, experiment is relatively simple controllably, the advantages such as the test period is shorter, quickly and easily with the short period
The accumulation for completing ash content is exactly the original intention of present apparatus invention.
Invention content
The purpose of the present invention is exactly to solve the above-mentioned problems and provides a kind of quick ash content accumulation of the GPF based on burner
Ageing test apparatus.
The purpose of the present invention is achieved through the following technical solutions：
A kind of quick ash contents of GPF based on burner accumulate ageing test apparatus, including provide the oil inlet of machine oil and gasoline
Unit, compressed air unit, coflow air element, diluent air unit, burner unit and GPF units, wherein the combustion
Burner unit includes burner cavity, the spark plug on burner cavity, set on the tray for combustion of burner cavity arrival end
And air-assisted atomisation injectors, the oil inlet unit, compressed air unit and coflow air element by pipeline connection extremely
Mixing chamber is arranged in the arrival end of burner cavity, burner cavity rear end, and the diluent air unit is connected to described mixed
Chamber is closed, the mixing cavity rear end connects the GPF units by gas exhaust piping.
Further, the oil inlet unit includes gasoline air intake assembly and machine oil air intake assembly, the gasoline air intake assembly
Including sequentially connected gasoline fuel tank, gasoline filter, gasoline low pressure fuel pump, gasoline flowmeter and gasoline ejector, the machine
Oily air intake assembly includes sequentially connected oil tank, oil filter, oil low-voltage oil pump, oil flow rate meter and machine oil oil spout
Device.
Further, the charge proportion of machine oil and gasoline is 1 in the oil inlet unit：5-10.
Further, the compressed air unit includes air compressor, and the compressed air unit is equipped with two-way air inlet
Pipe, wherein air inlet pipe synthesizes gaseous mixture pipeline with the feed manifold of the oil inlet unit all the way, which is connected to sky
Gas assisted atomisation nozzles, another way air inlet pipe are connected to air-assisted atomisation injectors.
Further, the coflow air element includes coflow wind turbine, and air mass flow is arranged on coflow air pipe line
Meter and temperature sensor.
Further, pressure limiting valve, oxygen sensor and exhaust gas temperature sensor is respectively set on the gas exhaust piping.
Further, the GPF units include GPF cavitys, and electric heater is arranged in the arrival end of the GPF cavitys.
Further, the diluent air unit includes dilution air.
The present invention makes machine oil and gasoline mix, and machine oil is made to keep larger proportion, is carried using pressure-air pilot jet
The atomizing effect of high machine oil, gasoline mixture makes it that can preferably burn after spark ignitor in the burner, can be fast
Speed finishes the oil level accelerated combustion of expected practical mileage consumption, and the exhaust gas after burning is passed through in gas exhaust piping
GPF samples to be aging are controlled the inlet temperature and oxygen content of GPF by electric heater and dilution air, make to be deposited on GPF
Interior soot is constantly in passive regeneration in high-temperature oxygen-enriched environment, and ash content is made constantly to be deposited on the surfaces GPF and inside, by one section
After time, the GPF samples that aging finishes can be obtained.
The quick ash content that GPF can be achieved in the present invention accumulates ageing process, shortens GPF test periods, reduces the research and development of enterprise
Time cost.Compared with the prior device, maximum machine can be chosen in the case of guarantee blended fuel oil good spray burning
Oil-gasoline mixed proportion, significantly promoted consumption of lubricating oil rate, shorten test period, by control compensated with air wind turbine and
Electric heater before GPF carries out the control of GPF inlet temperatures and oxygen concentration, during so that GPF is continuously in passive regeneration.
Description of the drawings
Fig. 1 is the structural schematic diagram of apparatus of the present invention；
Fig. 2 is the structural schematic diagram of apparatus of the present invention burner；
In figure：1- gasoline fuel tank, 2- gasoline filters, 3- gasoline low pressure fuel pump, 4- gasoline flowmeters, 5- gasoline oil spouts
Device, 6- oil tanks, 7- oil filter, 8- oil low-voltages oil pump, 9- oil flow rates meter, 10- machine oil fuel injector, 11- air
Compressor, 12- coflows wind turbine, 13- air flow meters, 14- temperature sensors, 15- air-assisted atomisation injectors, 16- tray for combustions,
17- spark plugs, 18- burners cavity, 19- dilution airs, 20- pressure limiting valves, 21- oxygen sensors, 22- delivery temperatures sensing
Device, 23-GPF cavitys, 24- electric heaters, 25- mixing chambers, 26- gas exhaust pipings；27- coflow air pipe lines；28- compressed air hoses
Road；29- gaseous mixture pipelines.
Specific implementation mode
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
A kind of quick ash contents of GPF based on burner accumulate ageing test apparatus, as shown in Figure 1, including provide machine oil and
Oil inlet unit, compressed air unit, coflow air element, diluent air unit, burner unit and the GPF units of gasoline,
Wherein, burner unit includes burner cavity 18, the spark plug 17 on burner cavity 18, is set to burner cavity 18
The tray for combustion 16 and air-assisted atomisation injectors 15 of arrival end, as shown in Fig. 2, oil inlet unit, compressed air unit and coflow
For air element by pipeline connection to the arrival end of burner cavity 18, mixing chamber 25 is arranged in 18 rear end of burner cavity, dilute
It includes dilution air 19 to release air element, is connected to mixing chamber 25, and 25 rear end of mixing chamber is mono- by the connection of gas exhaust piping 26 GPF
Member.Oil inlet unit includes gasoline air intake assembly and machine oil air intake assembly, and gasoline air intake assembly includes sequentially connected gasoline fuel tank
1, gasoline filter 2, gasoline low pressure fuel pump 3, gasoline flowmeter 4 and gasoline ejector 5, machine oil air intake assembly include being sequentially connected
Oil tank 6, oil filter 7, oil low-voltage oil pump 8, oil flow rate meter 9 and machine oil fuel injector 10.Machine in oil inlet unit
The charge proportion of oil and gasoline is 1：5.Compressed air unit includes air compressor 11, and compressed air unit is equipped with two-way air inlet
Pipe, wherein air inlet pipe synthesizes gaseous mixture pipeline 29 with the feed manifold of oil inlet unit all the way, which is connected to sky
Gas assisted atomisation nozzles 15, another way compressed air line 29 are connected to air-assisted atomisation injectors 15.Coflow air element packet
Coflow wind turbine 12 is included, and air flow meter 13 and temperature sensor 14 are set on coflow air pipe line 27.On gas exhaust piping 26
Pressure limiting valve 20, oxygen sensor 21 and exhaust gas temperature sensor 22 is respectively set, GPF units include GPF cavitys 23, GPF cavitys
Arrival end be arranged electric heater 24.
When work, the ratio of machine oil and gasoline to set under the action of low pressure fuel pump 3,8, is led to through cleaner 2,7
It crosses fuel injector 5,10 to spray into pipeline, is driven by the compressed air that air compressor provides and enter air-assisted atomisation injectors 15
In, while compressed air is sprayed into from another way auxiliary gaseous mixture in burner cavity 18, the coflow provided by coflow wind turbine 12 is empty
Gas also sprays into burner from the stomata of tray for combustion 16, and the gasoline being atomized-machine oil spraying is lighted by spark plug 17, with dilution wind
It is discharged burner after the diluent air mixing that machine 19 provides, exhaust gas passes through in diluent air-exhaust gas mixing chamber 25, in this section and dilute
Air mixing is released, regulates and controls exhaust gas temperature and oxygen content, is ultimately discharged into gas exhaust piping 26 after 20 steady pressure of pressure limiting valve,
It is passed through again in 23 sample of GPF cavitys to be aging, 23 inlet temperature of GPF cavitys is controlled by electric heater 24, makes GPF cavitys 23
State in high-temperature oxygen-enriched continuous passive regeneration, makes soot constantly burn, and ash content continuous deposition is accumulated on GPF cavitys 23.
This hair can be understood and applied the above description of the embodiments is intended to facilitate those skilled in the art
It is bright.Person skilled in the art obviously easily can make various modifications to the embodiment, and described herein one
As principle be applied in other embodiment without having to go through creative labor.Therefore, the present invention is not limited to embodiment here,
Those skilled in the art's announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be in this hairs
Within bright protection domain.
Claims (8)
1. a kind of quick ash contents of GPF based on burner accumulate ageing test apparatus, which is characterized in that including providing machine oil and vapour
Oil inlet unit, compressed air unit, coflow air element, diluent air unit, burner unit and the GPF units of oil,
In,
The burner unit includes burner cavity (18), the spark plug (17) being set on burner cavity (18), is set to combustion
The tray for combustion (16) and air-assisted atomisation injectors (15) of burner cavity (18) arrival end, the oil inlet unit, compressed air list
Member and coflow air element are by pipeline connection to the arrival end of burner cavity (18), after the burner cavity (18)
End setting mixing chamber (25), the diluent air unit are connected to the mixing chamber (25), and mixing chamber (25) rear end passes through
Gas exhaust piping connects the GPF units.
2. the quick ash contents of a kind of GPF based on burner according to claim 1 accumulate ageing test apparatus, feature exists
In the oil inlet unit includes gasoline air intake assembly and machine oil air intake assembly, and the gasoline air intake assembly includes sequentially connected
Gasoline fuel tank (1), gasoline filter (2), gasoline low pressure fuel pump (3), gasoline flowmeter (4) and gasoline ejector (5), the machine
Oily air intake assembly includes sequentially connected oil tank (6), oil filter (7), oil low-voltage oil pump (8), oil flow rate meter
(9) and machine oil fuel injector (10).
3. the quick ash contents of a kind of GPF based on burner according to claim 1 accumulate ageing test apparatus, feature exists
In the charge proportion of machine oil and gasoline is 1 in the oil inlet unit：5-10.
4. the quick ash contents of a kind of GPF based on burner according to claim 1 accumulate ageing test apparatus, feature exists
In the compressed air unit includes air compressor (11), and the compressed air unit is equipped with two-way air inlet pipe, wherein all the way
Air inlet pipe synthesizes gaseous mixture pipeline with the feed manifold of the oil inlet unit, which is connected to air-assisted atomization spray
Mouth (15), another way air inlet pipe are connected to air-assisted atomisation injectors (15).
5. the quick ash contents of a kind of GPF based on burner according to claim 1 accumulate ageing test apparatus, feature exists
In the coflow air element includes coflow wind turbine (12), and air flow meter (13) is arranged on coflow air pipe line (27)
With temperature sensor (14).
6. the quick ash contents of a kind of GPF based on burner according to claim 1 accumulate ageing test apparatus, feature exists
In pressure limiting valve (20), oxygen sensor (21) and exhaust gas temperature sensor (22) are respectively set on the gas exhaust piping.
7. the quick ash contents of a kind of GPF based on burner according to claim 1 accumulate ageing test apparatus, feature exists
In the GPF units include GPF cavitys (23), the arrival end setting electric heater (24) of the GPF cavitys.
8. the quick ash contents of a kind of GPF based on burner according to claim 1 accumulate ageing test apparatus, feature exists
In the diluent air unit includes dilution air (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810077684.3A CN108489731A (en) | 2018-01-26 | 2018-01-26 | A kind of quick ash contents of GPF based on burner accumulate ageing test apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810077684.3A CN108489731A (en) | 2018-01-26 | 2018-01-26 | A kind of quick ash contents of GPF based on burner accumulate ageing test apparatus |
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| Publication Number | Publication Date |
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| CN108489731A true CN108489731A (en) | 2018-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810077684.3A Pending CN108489731A (en) | 2018-01-26 | 2018-01-26 | A kind of quick ash contents of GPF based on burner accumulate ageing test apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915355A (en) * | 2019-03-15 | 2019-06-21 | 华域皮尔博格泵技术有限公司 | Machine oil pump test device and its application method |
| CN113340605A (en) * | 2021-04-29 | 2021-09-03 | 广西玉柴机器股份有限公司 | Tractor whole vehicle carbon accumulation test method and system |
| CN113465938A (en) * | 2021-06-17 | 2021-10-01 | 无锡威孚环保催化剂有限公司 | Rapid aging device and aging method for catalyst rack introducing engine oil consumption dimension |
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Cited By (4)
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| CN113340605A (en) * | 2021-04-29 | 2021-09-03 | 广西玉柴机器股份有限公司 | Tractor whole vehicle carbon accumulation test method and system |
| CN113465938A (en) * | 2021-06-17 | 2021-10-01 | 无锡威孚环保催化剂有限公司 | Rapid aging device and aging method for catalyst rack introducing engine oil consumption dimension |
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Application publication date: 20180904 |
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