CN109538333A - The determination method at diesel engine particulate trap regeneration moment - Google Patents
The determination method at diesel engine particulate trap regeneration moment Download PDFInfo
- Publication number
- CN109538333A CN109538333A CN201811083728.XA CN201811083728A CN109538333A CN 109538333 A CN109538333 A CN 109538333A CN 201811083728 A CN201811083728 A CN 201811083728A CN 109538333 A CN109538333 A CN 109538333A
- Authority
- CN
- China
- Prior art keywords
- diesel engine
- pressure drop
- particulate trap
- dpf
- thresholding
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N9/00—Electrical control of exhaust gas treating apparatus
- F01N9/002—Electrical control of exhaust gas treating apparatus of filter regeneration, e.g. detection of clogging
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Abstract
The present invention is a kind of determination method at diesel engine particulate trap regeneration moment.The following steps are included: 1) select Diesel Series steady state condition and measure the exhaust gas flow under each operating condition by DPF；2) DPF zero load, the corresponding front and back pressure drop under different operating condition extraction flows of limit for tonnage state are determined；3) according to the corresponding voltage drop value of DPF limit for tonnage state of acquisition, dpf regeneration thresholding pressure drop figure is drawn, the thresholding pressure drop figure drawn is modified to obtain final dpf regeneration thresholding pressure drop figure；4) the corresponding extraction flow of the operating condition is determined first under selected diesel engine steady state condition, pressure drop thresholding pressure drop corresponding with the flow in the thresholding pressure drop figure before and after actually measured DPF is compared；5) whether pressure drop is greater than corresponding thresholding pressure drop before and after judging the DPF of actual measurement, and then determines whether current DPF state needs to regenerate.The present invention can accurately determine the regeneration opportunity of DPF, and DPF is promoted to regenerate in time.
Description
Technical field
The present invention relates to diesel engine vent gas post-processing technology fields, and in particular to when diesel engine particulate trap regeneration
The determination method at quarter belongs to the innovative technology of the determination method at diesel engine particulate trap regeneration moment.
Background technique
There are mainly three types of the exhaust particulates of diesel engine: the organic soluble materials of carbon granules (Soot), adsorption
The particle and sulphate particle of (Soluble organic fractions, abbreviation SOF).Diesel engine particulate it is most of by
Soot and SOF particle composition.Diesel engine particulate trap (DPF) is a kind of particle being mounted in diesel emission pipeline
Object filter, it captures the particulate matter in exhaust, realizes the purpose of purification exhaust.When diesel exhaust gas flows through DPF, in exhaust
Particulate matter trapped by processes such as intercepted, diffusion, gravitational settling and inertial collisions by DPF, arresting efficiency mainly by
The influence of the factors such as filter material structure, grain diameter, delivery temperature and exhaust flow rate, honeycomb ceramic filter particle is caught at present
Storage may be up to 90% or more to the filter efficiency of particulate matter.
With the lengthening of working time, the particulate matter deposited in DPF is more and more, not only influences the filter effect of DPF, can also increase
Add exhaust back pressure, influence the ventilation and burning of diesel engine, power output is caused to reduce, oil consumption increase, so periodically to remove it is heavy
Long-pending particulate matter restores the strainability of DPF, which is referred to as dpf regeneration.
The key of dpf regeneration technology first is that determine trap the regeneration moment.Dpf regeneration can be shortened by starting regeneration too early
Period, the energy for causing initiative regeneration to consume increase, and the heat that carbon-smoke combustion issues when regeneration then will increase regeneration too late increases
The risk of DPF cause thermal damage.When some correlative studys propose the regeneration using certain vehicle driving mileage or operating time as DPF
Machine, though the method is simple, and it is at low cost, implement and be also easier, since in vehicle actual motion, the operating condition of diesel engine is multiple
It is miscellaneous changeable, judge that regeneration opportunity accuracy is not high using these methods.Other research and propose using maintain engine speed and
Under the premise of output torque is constant, using engine fuel consumption rate amplification be 5% as trap regeneration decision condition, this method mentions
High judgement regeneration opportunity accuracy, but engine consumption rate and output torque need to be equipped with special test equipment and can survey
, it is expensive, inconvenient for use, therefore the method is applied with certain limitation.Therefore it provides one kind can relatively accurately, just
Judge that the method on dpf regeneration opportunity becomes those skilled in the art's technical problem urgently to be resolved promptly.
Present invention seek to address that the technical issues of how determining diesel engine particulate trap regeneration opportunity, provides one kind
The determination method at dpf regeneration moment.The present invention can accurately determine the regeneration opportunity of DPF, promote DPF to regenerate in time, keep away
Exempt from because dpf regeneration too late caused by DPF blocking cause diesel exhaust gas back pressure excessively high, make engine power performance, economy deterioration
Deng, and lead to DPF cause thermal damage because regeneration thermic load is excessive, or shorten because regenerating the too early bring regeneration period,
Caused initiative regeneration energy consumption increases problem.
Summary of the invention
In order to solve the above technical problems, the invention adopts the following technical scheme:
The determination method at diesel engine particulate trap regeneration moment of the present invention, comprising the following steps:
1) it selectes Diesel Series steady state condition and measures the exhaust gas flow for passing through diesel engine particulate trap under each operating condition；
2) zero load of diesel engine particulate trap, limit for tonnage the state corresponding front and back pressure under different operating condition extraction flows are determined
Drop；
3) according to the corresponding voltage drop value of diesel engine particulate trap limit for tonnage state of the acquisition, diesel exhaust gas is drawn
Grain trap regeneration thresholding pressure drop figure is modified the thresholding pressure drop figure drawn to obtain final diesel engine particulate trapping
Device regenerates thresholding pressure drop figure；
4) the corresponding extraction flow of the operating condition is determined first under selected diesel engine steady state condition, then by actually measured bavin
Pressure drop thresholding pressure drop corresponding with the flow in the thresholding pressure drop figure is compared before and after oil machine exhaust particulate trap；
5) whether pressure drop is greater than corresponding thresholding pressure drop before and after judging the diesel engine particulate trap of actual measurement, and then determination is worked as
Whether preceding diesel engine particulate trap state needs to regenerate.
The method of the present invention need to only measure under engine stabilizer operating condition pressure drop before and after DPF, then by the pressure drop with pre-establish
Corresponding pressure drop limit value is compared in good dpf regeneration thresholding pressure drop figure, can determine whether the DPF state needs to regenerate.
The present invention can accurately determine the regeneration opportunity of DPF, and DPF is promoted to regenerate in time, avoid because dpf regeneration too late caused by
DPF blocking causes diesel exhaust gas back pressure excessively high, makes engine power performance, economy deterioration etc., and because regenerating thermic load mistake
Lead to DPF cause thermal damage greatly, or shorten because regenerating the too early bring regeneration period, caused initiative regeneration energy consumption increases
Problem.Method simple possible of the invention determines that result is accurate and easy to implement, and the present invention provides for the judgement of dpf regeneration opportunity
A kind of scientific and reasonable, simple and effective method.
Detailed description of the invention
Fig. 1 is the determination method schematic illustration at dpf regeneration moment of the present invention.
Fig. 2 is the device arrangement schematic diagram of pressure drop and extraction flow before and after present invention measurement DPF.
Fig. 3 is the extraction flow for flowing through DPF testing (the diesel engine model YC6L280-30 of experiment, similarly hereinafter) and obtaining
With the relational graph of engine speed.
Fig. 4 is pressure drop relationships figure before and after the flow and DPF for flowing through DPF under the different carbon carrying capacity that experiment obtains.
Fig. 5 is the dpf regeneration thresholding pressure drop figure before amendment.
Fig. 6 is revised dpf regeneration thresholding pressure drop figure.
Specific embodiment
The following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments.It should be understood that herein
Described specific embodiment does not limit the present invention for instruction and explanation of the present invention.
The determination method at diesel engine particulate trap regeneration moment of the present invention, comprising the following steps:
1) it selectes Diesel Series steady state condition and measures the exhaust gas flow for passing through diesel engine particulate trap under each operating condition；
2) zero load of diesel engine particulate trap, limit for tonnage the state corresponding front and back pressure under different operating condition extraction flows are determined
Drop；
3) according to the corresponding voltage drop value of diesel engine particulate trap limit for tonnage state of the acquisition, dpf regeneration thresholding is drawn
Pressure drop figure is modified the thresholding pressure drop figure drawn to obtain final dpf regeneration thresholding pressure drop figure；
4) the corresponding extraction flow of the operating condition is determined first under selected diesel engine steady state condition, then by actually measured bavin
Pressure drop thresholding pressure drop corresponding with the flow in the thresholding pressure drop figure is compared before and after oil machine exhaust particulate trap；
5) whether pressure drop is greater than corresponding thresholding pressure drop before and after judging the diesel engine particulate trap of actual measurement, and then determination is worked as
Whether preceding DPF state needs to regenerate.
Measurement when the step 1) diesel engine works by the exhaust gas flow of diesel engine particulate trap includes such as
Lower step:
11) revolving speed of diesel engine steady state condition takes the idling and other revolving speeds of diesel engine；
12) accelerator open degree of diesel engine steady state condition, when taking Idling Process for Diesel Engine operating condition, corresponding load is 0%, when taking diesel engine
Desirable appropriate load when other revolving speeds in addition to idling, for example, under the revolving speed corresponding peak torque 30%；
13) gear and engine speed of vehicle should be determined when corresponding real steering vectors；
When such as parking, then driver passes through control gas pedal change engine speed (rotary speed data under vehicle extension neutral position state
It is shown on automobile instrument panel)；If measuring when driving, vehicle is linked into one and determines gear (such as 2 gears that advance, other drive shifts
It can.), driver changes engine speed by control gas pedal.)
14) when selected diesel engine steady state condition, the exhaust gas flow for flowing through DPF is measured using flow measurement device；
The steady state condition of diesel engine can be determined by engine speed and load.Pass through rack TT&C system when engine rig test
Engine speed and load are adjusted to realize the selection of operating condition；Diesel engine for automobile passes through in actual work adjusts gas pedal aperture
Required operating condition is selected or learned with the engine speed indicator on viewing console.When engine rig test, hair is regulated
After motivation operating condition, then measure extraction flow.A kind of engine speed corresponds to a kind of flow.Engine pedestal test has special stream
Measuring device, as described below.
The engine exhaust flow of diesel engine depends primarily on engine speed, is measured and is started by engine pedestal test
Machine revolving speed and the one-to-one relation curve of extraction flow.When the diesel engine real work operation of diesel engine for automobile or other purposes
The measurement of flow is indirect type, by measure engine speed, by engine pedestal test obtain engine speed with
Engine exhaust flow can be inquired or be calculated to extraction flow relationship.
Engine speed is set by engine pedestal control system when present patent application engine rig test and is born
Lotus size, flow measurement device are the SEMTECH-EFM gas flowmeter that SENSOR company develops, and are the full stream of Pitot tube form
Formula flowmeter.There are many forms for flowmeter, and other types of flowmeter can also be used, as long as it can measure the flow being all vented
It can be with.
The step 2 diesel engine particulate trap light condition, diesel engine particulate trap limit for tonnage state point
Do not refer to:
The diesel engine particulate trap light condition refers to state present when DPF does not trap carbon soot particles；
The diesel engine particulate trap limit for tonnage state refers to the carbon soot particles amount of diesel engine particulate trap trapping
Have reached carbon carrying capacity limit value state under the unit diesel engine particulate trap volume of manufacturer's recommendation；
The carbon carrying capacity safety limit SML value provided in present patent application is can be caught according to different diesel engine particulates
Storage product changes, and user is needed to select.If manufacturer does not provide carbon carrying capacity safety limit, can refer to common
The permitted safe carbon carrying capacity empirical limit of DPF carrier medium: it is 4-8g/l that cordierite carrier, which corresponds to limit value,；Silicon carbide, metatitanic acid
It is 6-10g/l that alumina supporter, which corresponds to limit value,.
Different diesel engine particulate traps manufacturer, different diesel engine particulate trap product limit for tonnage states
Carbon carrying capacity safety limit it is different, consider the recommendation of manufacturer first when determining limit value, pushed away if producer does not provide
Value is recommended then according to carrier medium with reference to empirical limit.
The step 3) zero load of diesel engine particulate trap, limit for tonnage and other carbon carrying capacity under a certain extraction flow
The corresponding front and back pressure drop information of state includes:
Exhaust stream method for determination of amount such as above-mentioned steps 14)
After diesel engine assembles diesel engine particulate trap, operate diesel engine under certain steady state condition；
The pressure sensor that diesel engine particulate trap front and back end is installed respectively, measures diesel engine under current diesel engine condition
Pressure drop before and after exhaust particulate trap；
The flow measurement device of diesel engine particulate trap rear end installation, measures and flows through DPF's under current diesel engine condition
Exhaust gas flow；
Complete also detachable flow measurement device after exhaust gas flow measurement.
The corresponding voltage drop value of limit for tonnage state that the step 4) obtains draws diesel engine particulate trap regeneration thresholding
Pressure drop figure is modified the thresholding pressure drop figure drawn to obtain final diesel engine particulate trap regeneration thresholding pressure drop
Figure.
The a certain steady state condition of diesel engine is selected in practical applications, it is first determined the corresponding extraction flow of the operating condition, then
Pressure drop thresholding pressure drop corresponding with the flow in the thresholding pressure drop figure before and after actually measured DPF is compared, actual measurement is worked as
DPF before and after pressure drop exceed corresponding thresholding voltage drop value when, determine that the DPF of current state needs to regenerate, otherwise, it is determined that current shape
State DPF does not need to regenerate.
The determination method at the dpf regeneration moment of the embodiment of the present invention, as shown in Figure 1, specifically includes the following steps:
Step 1, selected diesel engine assemble certain steady state condition run after DPF, determine the exhaust gas flow for flowing through DPF under the operating condition.
Step 2 determines the corresponding front and back pressure drop of DPF light condition under the diesel engine condition.
Step 3 determines the corresponding front and back pressure drop of DPF limit for tonnage state under the diesel engine condition.
Step 4, repeats the above steps one, two, three.
Step 5 draws dpf regeneration thresholding pressure drop figure according to the corresponding voltage drop value of DPF limit for tonnage state of the acquisition, right
The thresholding pressure drop figure drawn be modified after dpf regeneration thresholding pressure drop figure.
Step 6 determines the operating condition corresponding extraction flow under selected diesel engine steady state condition when actual measurement, so first
Afterwards by thresholding pressure drop corresponding with the flow in the revised thresholding pressure drop figure after pressure drop amendment before and after actually measured DPF
It is compared.
Step 7, whether pressure drop is greater than corresponding thresholding pressure drop before and after judging the DPF of actual measurement, and then determines current DPF shape
Whether state, which needs, regenerates
Mounting arrangements are carried out to pressure fall-off test before and after DPF and extraction flow test device according to described, as shown in Fig. 2, measurement number
According to including: the forward and backward pressure of DPF of current DPF working condition and to flow through the exhaust stream of DPF under selected diesel engine steady state condition
Amount.
According to the engine operating condition of the measurement and DPF extraction flow data are flowed through, engine speed and row can be made
Throughput relational graph, is shown in Fig. 3.
It, can be with according to the extraction flow and corresponding front and back pressure drop measured under the DPF difference carbon carrying capacity state of the determination
The pressure drop relationships figure before and after the different extraction flows of one timing of carbon carrying capacity and DPF is made, sees Fig. 4；According to the extraction flow-DPF
Pressure drop figure in front and back is released, the linear relationship that pressure drop is positively correlated before and after one timing extraction flow of DPF carbon carrying capacity and trap, this
Kind relationship is the difference of straight slope in the case where different carbon carrying capacity；According to analysis when the flow for flowing through DPF is
When 0kg/s, pressure drop should be 0kpa before and after DPF, correct extraction flow and the front and back DPF pressure drop relationships under the same carbon carrying capacity accordingly
Flow and pressure drop line in figure under limit for tonnage situation are shown in Fig. 5, Fig. 6 to get the dpf regeneration thresholding pressure drop figure of amendment front and back.
According to the revised dpf regeneration thresholding pressure drop figure, determining first under selected diesel engine steady state condition should
Then the corresponding extraction flow of operating condition measures pressure drop before and after current DPF, sees if fall out after being corrected corresponding revised
Thresholding pressure drop, and then determine whether current DPF state needs to regenerate.
Claims (6)
1. a kind of determination method at diesel engine particulate trap regeneration moment, which comprises the following steps:
1) it selectes Diesel Series steady state condition and measures the exhaust gas flow for passing through diesel engine particulate trap under each operating condition；
2) zero load of diesel engine particulate trap, limit for tonnage the state corresponding front and back pressure under different operating condition extraction flows are determined
Drop；
3) according to the corresponding voltage drop value of diesel engine particulate trap limit for tonnage state of the acquisition, diesel exhaust gas is drawn
Grain trap regeneration thresholding pressure drop figure is modified the thresholding pressure drop figure drawn to obtain final diesel engine particulate trapping
Device regenerates thresholding pressure drop figure；
4) the corresponding extraction flow of the operating condition is determined first under selected diesel engine steady state condition, then by actually measured bavin
Pressure drop thresholding pressure drop corresponding with the flow in the thresholding pressure drop figure is compared before and after oil machine exhaust particulate trap；
5) whether pressure drop is greater than corresponding thresholding pressure drop before and after judging the diesel engine particulate trap of actual measurement, and then determination is worked as
Whether preceding diesel engine particulate trap state needs to regenerate.
2. the determination method at diesel engine particulate trap regeneration moment according to claim 1, which is characterized in that institute
Included the following steps: when stating the work of step 1) diesel engine by the measurement of the exhaust gas flow of diesel engine particulate trap
11) revolving speed of diesel engine steady state condition takes the idling and other revolving speeds of diesel engine；
12) accelerator open degree of diesel engine steady state condition, when taking Idling Process for Diesel Engine operating condition, corresponding load is 0%, when taking diesel engine
Desirable appropriate load when other revolving speeds in addition to idling, for example, under the revolving speed corresponding peak torque 30%；
13) gear and engine speed of vehicle should be determined when corresponding real steering vectors；
14) when selected diesel engine steady state condition, the exhaust gas flow for flowing through DPF is measured using flow measurement device.
3. the determination method at diesel engine particulate trap regeneration moment according to claim 1, which is characterized in that institute
State step 2 diesel engine particulate trap light condition, diesel engine particulate trap limit for tonnage state respectively refers to:
The diesel engine particulate trap light condition refers to state present when DPF does not trap carbon soot particles；
The diesel engine particulate trap limit for tonnage state refers to the carbon soot particles amount of diesel engine particulate trap trapping
Have reached carbon carrying capacity limit value state under the unit diesel engine particulate trap volume of manufacturer's recommendation.
4. the determination method at diesel engine particulate trap regeneration moment according to claim 1, which is characterized in that institute
It is corresponding to state unloaded step 3) diesel engine particulate trap under a certain extraction flow, limit for tonnage and other carbon carrying capacity states
Front and back pressure drop information includes:
Exhaust stream method for determination of amount such as above-mentioned steps 14)
After diesel engine assembles diesel engine particulate trap, operate diesel engine under certain steady state condition；
The pressure sensor that diesel engine particulate trap front and back end is installed respectively, measures diesel engine under current diesel engine condition
Pressure drop before and after exhaust particulate trap；
The flow measurement device of diesel engine particulate trap rear end installation, measures and flows through diesel engine under current diesel engine condition
The exhaust gas flow of exhaust particulate trap；
Complete also detachable flow measurement device after exhaust gas flow measurement.
5. the determination method at diesel engine particulate trap regeneration moment according to claim 1, which is characterized in that root
According to the corresponding voltage drop value of limit for tonnage state that the step 4) obtains, the thresholding pressure drop of diesel engine particulate trap regeneration is drawn
Figure, is modified the thresholding pressure drop figure drawn to obtain final diesel engine particulate trap regeneration thresholding pressure drop figure.
6. the determination method at diesel engine particulate trap regeneration moment according to any one of claims 1 to 5, special
Sign is, selectes a certain steady state condition of diesel engine in practical applications, it is first determined then the corresponding extraction flow of the operating condition will
Pressure drop thresholding pressure drop corresponding with the flow in the thresholding pressure drop figure is compared before and after actually measured DPF, when actual measurement
When pressure drop exceeds corresponding thresholding voltage drop value before and after DPF, determine that the diesel engine particulate trap of current state needs to regenerate,
Otherwise, it is determined that current state diesel engine particulate trap does not need to regenerate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811083728.XA CN109538333B (en) | 2018-09-17 | 2018-09-17 | Method for judging regeneration time of diesel engine exhaust particle catcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811083728.XA CN109538333B (en) | 2018-09-17 | 2018-09-17 | Method for judging regeneration time of diesel engine exhaust particle catcher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109538333A true CN109538333A (en) | 2019-03-29 |
| CN109538333B CN109538333B (en) | 2021-09-14 |
Family
ID=65841289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811083728.XA Active CN109538333B (en) | 2018-09-17 | 2018-09-17 | Method for judging regeneration time of diesel engine exhaust particle catcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109538333B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111796582A (en) * | 2020-07-16 | 2020-10-20 | 江铃汽车股份有限公司 | Remote monitoring and optimizing method for GPF removal diagnosis of gasoline motor car |
| CN111852630A (en) * | 2020-08-24 | 2020-10-30 | 安徽江淮汽车集团股份有限公司 | Carbon loading capacity detection method, equipment, storage medium and device |
| CN112507541A (en) * | 2020-11-30 | 2021-03-16 | 潍柴动力股份有限公司 | Differential pressure carbon loading capacity calculation method and related equipment |
| CN112901323A (en) * | 2021-01-27 | 2021-06-04 | 交通运输部公路科学研究所 | Particulate matter trapping and regenerating system applying turbulence agglomeration as pretreatment and control method |
| CN113565610A (en) * | 2021-06-29 | 2021-10-29 | 广东工业大学 | Method for judging working state of diesel vehicle particle catcher |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5511413A (en) * | 1992-09-09 | 1996-04-30 | J. Eberspacher | Method and device for determining the load condition of particle filters |
| JP2003314248A (en) * | 2002-04-18 | 2003-11-06 | Denso Corp | Exhaust-emission control device of internal combustion engine |
| CN102782267A (en) * | 2010-03-25 | 2012-11-14 | 三菱重工业株式会社 | Reproduction control device, reproduction control method, and reproduction support system for DPF |
| CN103511043A (en) * | 2013-09-22 | 2014-01-15 | 潍柴动力股份有限公司 | Active regeneration control method and device for particulate trap |
| CN103775182A (en) * | 2014-01-22 | 2014-05-07 | 潍柴动力股份有限公司 | Method and related device for calculating and verifying ash content of DPF (diesel particulate filter) of diesel engine |
| CN104405477A (en) * | 2014-10-24 | 2015-03-11 | 湖南大学 | Control strategy for microwave regeneration system of diesel particulate filter and device for control strategy |
| CN104838106A (en) * | 2012-12-10 | 2015-08-12 | 捷豹路虎有限公司 | Diagnosis of condition of particle filter |
| CN107002528A (en) * | 2016-12-14 | 2017-08-01 | 株式会社小松制作所 | Waste gas cleaning system and exhaust gas purifying method |
-
2018
- 2018-09-17 CN CN201811083728.XA patent/CN109538333B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5511413A (en) * | 1992-09-09 | 1996-04-30 | J. Eberspacher | Method and device for determining the load condition of particle filters |
| JP2003314248A (en) * | 2002-04-18 | 2003-11-06 | Denso Corp | Exhaust-emission control device of internal combustion engine |
| CN102782267A (en) * | 2010-03-25 | 2012-11-14 | 三菱重工业株式会社 | Reproduction control device, reproduction control method, and reproduction support system for DPF |
| CN104838106A (en) * | 2012-12-10 | 2015-08-12 | 捷豹路虎有限公司 | Diagnosis of condition of particle filter |
| CN103511043A (en) * | 2013-09-22 | 2014-01-15 | 潍柴动力股份有限公司 | Active regeneration control method and device for particulate trap |
| CN103775182A (en) * | 2014-01-22 | 2014-05-07 | 潍柴动力股份有限公司 | Method and related device for calculating and verifying ash content of DPF (diesel particulate filter) of diesel engine |
| CN104405477A (en) * | 2014-10-24 | 2015-03-11 | 湖南大学 | Control strategy for microwave regeneration system of diesel particulate filter and device for control strategy |
| CN107002528A (en) * | 2016-12-14 | 2017-08-01 | 株式会社小松制作所 | Waste gas cleaning system and exhaust gas purifying method |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111796582A (en) * | 2020-07-16 | 2020-10-20 | 江铃汽车股份有限公司 | Remote monitoring and optimizing method for GPF removal diagnosis of gasoline motor car |
| CN111796582B (en) * | 2020-07-16 | 2022-02-08 | 江铃汽车股份有限公司 | Remote monitoring and optimizing method for GPF removal diagnosis of gasoline motor car |
| CN111852630A (en) * | 2020-08-24 | 2020-10-30 | 安徽江淮汽车集团股份有限公司 | Carbon loading capacity detection method, equipment, storage medium and device |
| CN112507541A (en) * | 2020-11-30 | 2021-03-16 | 潍柴动力股份有限公司 | Differential pressure carbon loading capacity calculation method and related equipment |
| CN112901323A (en) * | 2021-01-27 | 2021-06-04 | 交通运输部公路科学研究所 | Particulate matter trapping and regenerating system applying turbulence agglomeration as pretreatment and control method |
| CN112901323B (en) * | 2021-01-27 | 2022-04-15 | 交通运输部公路科学研究所 | Particulate matter trapping and regenerating system applying turbulence agglomeration as pretreatment and control method |
| CN113565610A (en) * | 2021-06-29 | 2021-10-29 | 广东工业大学 | Method for judging working state of diesel vehicle particle catcher |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109538333B (en) | 2021-09-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109538333A (en) | The determination method at diesel engine particulate trap regeneration moment | |
| CN109404107B (en) | Diesel particulate filter carbon loading estimation method | |
| CN104863679B (en) | DPF system carbon loading capacity estimation and blocking state judgment method | |
| CN104832258B (en) | A kind of diesel engine particle catcher DPF carbon accumulation amount estimation methods | |
| EP2539560B1 (en) | Systems and methods for determining a particulate load in a particulate filter | |
| EP2611996B1 (en) | Methods for controlling the operation of a particulate filter | |
| EP1602807A1 (en) | Process for controlling a particle filter | |
| WO2004104540A1 (en) | Filters for engine exhaust particulates | |
| CN105556082A (en) | Diagnostic device | |
| CN105089759A (en) | Method and apparatus for diagnosis of detachment of assembly of exhaust cleaning component | |
| CN1834418A (en) | Particulate trap regeneration control system | |
| US20060168951A1 (en) | Regeneration management system for a work machine | |
| CN104775883A (en) | Method for determining an estimated amount of soot accumulated in a particulate filter of an exhaust gas after-treatment system | |
| Meng et al. | A numerical investigation of the diesel particle filter regeneration process under temperature pulse conditions | |
| CN111520219A (en) | Method and device for judging soot cleaning of DPF of engine | |
| SE1151073A1 (en) | Method and system for determining particulate emissions in an internal combustion engine | |
| CN102678242B (en) | Hydrocarbon conversion diagnostic | |
| CN204804911U (en) | Off -line regenerating unit is used in regeneration of DPF carrier | |
| JP2005519226A (en) | Method for regenerating particulate filter for automobiles | |
| CN114508407B (en) | Method and device for determining DPF removal | |
| Fuć et al. | Analysis of exhaust gas flow through a particulate filter in the exhaust of the spark ignition direct injection engine | |
| CN104864946A (en) | Weighing method for soot loading of DPF | |
| CN110030072A (en) | Engine exhaust filter carbon distribution quantity monitoring method | |
| CN112901324A (en) | Particle catcher carrier high-temperature burning detection method, system and diagnosis equipment | |
| CN114893280A (en) | Estimation method of DPF carbon loading capacity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |