CN103306782A - Control system and control method for temperature raising device of exhaust after-treatment device of diesel engine - Google Patents
Control system and control method for temperature raising device of exhaust after-treatment device of diesel engine Download PDFInfo
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- CN103306782A CN103306782A CN2013100192933A CN201310019293A CN103306782A CN 103306782 A CN103306782 A CN 103306782A CN 2013100192933 A CN2013100192933 A CN 2013100192933A CN 201310019293 A CN201310019293 A CN 201310019293A CN 103306782 A CN103306782 A CN 103306782A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000001301 oxygen Substances 0.000 claims abstract description 23
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 23
- 239000000654 additive Substances 0.000 claims abstract description 14
- 230000000996 additive effect Effects 0.000 claims abstract description 14
- 239000007789 gas Substances 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 84
- 239000002283 diesel fuel Substances 0.000 claims description 25
- 239000000446 fuel Substances 0.000 claims description 25
- 239000002828 fuel tank Substances 0.000 claims description 16
- 238000002309 gasification Methods 0.000 claims description 15
- 238000002485 combustion reaction Methods 0.000 claims description 13
- 230000008929 regeneration Effects 0.000 claims description 11
- 238000011069 regeneration method Methods 0.000 claims description 11
- 230000008676 import Effects 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000013480 data collection Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 238000013481 data capture Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 description 8
- 230000001172 regenerating effect Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005039 memory span Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 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
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- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
Abstract
The invention relates to a control system and a control method for a temperature raising device of an exhaust after-treatment device of a diesel engine. A traveling computer signal input end is respectively connected with a rotating speed signal output end of the diesel engine, a voltage-doubling signal output end of the exhaust after-treatment device of the diesel engine, a temperature signal output end of the temperature raising device of the exhaust after-treatment device, a signal output end of a gas storage tank pressure sensor in an air compressing device, the output end of an oil tank signal and the output end of an additive tank signal; the traveling computer signal output end is respectively connected with switch signal control ends of a mixed oil pump, an oil supply pump, multipath air valves and a temperature rise controller; the additive tank is communicated with an inlet of the mixed oil pump through a liquid delivery pipe; an outlet of the mixed oil pump is communicated with the oil tank through the liquid delivery pipe; the oil tank is communicated with an inlet of the oil supply pump through an oil delivery pipe; an outlet of the oil supply pump supplies oil to the temperature raising device of the exhaust after-treatment device through the oil delivery pipe; air inlets of the multipath air valves are connected in parallel and are communicated with a gas storage tank outlet in an air compressor; air outlets of the multipath air valves are communicated for supplying oxygen to the temperature raising device of the exhaust after-treatment device.
Description
Technical field
The present invention relates to a kind of ECU according to diesel engine exhaust after-treatment device work condition state, intelligent control fuel and oxygen dispensing, and make combustion temperature maintain diesel engine exhaust after-treatment device heating device control system and the controlling method of setting value, belong to the manufacturing of diesel engine exhaust after-treatment device and controlling method and make the field.
Background technique
CN101178020A, title " diesel engine exhaust emission purifying system ", exhaust emissions of diesel engine grain catcher and the mixed gas pipeline by wall-flow filter bodies, the combustion-supporting air pipeline, electronic control unit forms, it is characterized in that before the engine exhaust port place is equipped with the sensor of measuring pressure and is installed in the temperature transducer on the burner and is installed in respectively the pm emission catcher, after temperature transducer, front portion at the exhaust emissions grain catcher is equipped with burner, the spark plug that oil nozzle is installed in this burner and is controlled by spark coil, what be connected with oil nozzle is the mixed gas pipeline, oil pump, solenoid valve, the diesel oil that will filter through diesel-oil filter element and be input to the sparger assembly from high pressure gas holder or the pressurized air through the reduction valve decompression that carries compressor and enter oil nozzle by the mixed gas pipeline, motor, drive blower fan and produce the combustion-supporting air that passed through the enough pressure of having of filter element filtering and flow, be transported in the burner through one-way valve and combustion-supporting air pipeline.Its deficiency: the one, this diesel engine exhaust emission purifying system purifies used diesel oil needs spark coil control spark plug to realize lighting of diesel oil, not only reliability is limited by the formation of circuit structure, and be limited by the Restricted requirement of spark plug own, the therefore poor reliability of igniting; The 2nd, this system can't light for the diesel oil of low-temperature condition, particularly under subzero state, in the situation of subzero tens degree, according to realizing low-temperature ignition; The 3rd, loss of ignition directly produces two secondary environment Mian and dyes.
Summary of the invention
Purpose of design: avoid the deficiency in the background technique, design a kind of ECU according to diesel engine exhaust after-treatment device work condition state, intelligent control fuel and oxygen dispensing, and make combustion temperature maintain diesel engine exhaust after-treatment device heating device control system and the controlling method of setting value.
Design proposal: in order to realize above-mentioned purpose of design.1, adopting car running computer and the design that engine rotational speed signal output terminal, diesel engine exhaust after-treatment device multiplication of voltage signal output part are connected, is one of technical characteristics of the present invention.The purpose of doing like this is: car running computer is by the rotary speed data to the diesel engine that receives in the diesel-oil vehicle running process, diesel engine exhaust after-treatment device multiplication of voltage data are calculated, draw the current multiplication of voltage value of bearing of diesel engine exhaust after-treatment device, reach the regeneration multiplication of voltage value scope that sets? when reaching regeneration multiplication of voltage value scope, car running computer is according to the heating device energising of the variation instruction diesel engine exhaust after-treatment device of multiplication of voltage value, make the electrical heating rod in the heating device get the electric electric heating preheating that enters, make heating device enter the heating work state.2, adopting car running computer and the design that after-treatment device heating device temperature signal output terminal is connected, is two of technical characteristics of the present invention.The purpose of doing like this is: heating device working state quality, can the regeneration that be directly connected to the diesel engine exhaust after-treatment device be finished, namely the diesel particulate that stops up in the diesel engine exhaust after-treatment device can be burnt, eliminate, and heating device working state quality directly depends on the prosecution of electrical heating rod temperature in the heating device, when the temperature of electrical heating rod reaches and remains on the diesel oil igniting that sets and namely fire temperature value, it can guarantee that heating device is in normal working state, finish the burning regeneration to the diesel engine exhaust after-treatment device, otherwise then can't finish the regeneration of diesel engine exhaust after-treatment device.3, the design of adopting the output terminal of the output terminal of signal output part, fuel tank fuel quantity liquid level signal of gas holder pressure transducer in car running computer and the air compression plant and additive tank adding quantity signal to be connected is three of technical characteristics of the present invention.The purpose of doing like this is: the height of heating device combustion value not only is directly connected to diesel engine exhaust after-treatment device reproduction speed and regeneration quality, whether atmosphere environment is caused secondary pollution but also be directly connected to regenerative combustion, and heating device combustion value height depends on directly whether the proportioning of additive and diesel oil is accurate, whether the proportioning of fuel tank fuel delivery and oxygen science, the application adopts car running computer that the data that detect are calculated, can either guarantee the accurate of additive and diesel oil proportioning, can guarantee again the accurate proportioning of fuel tank fuel delivery and oxygen, thereby make heating device be in efficient burning state under the dynamic prosecution, make the burning of diesel oil reach abundant combustion combustion, avoided the generation of the secondary pollution phenomenon that regenerative combustion causes atmosphere environment.4, adopting car running computer and the design that is connected with the switching signal control end of the switching signal control end of the switching signal control end of the switching signal control end of mixing oil pump, oil feed pump, multichannel air valve and intensification controller respectively, is four of technical characteristics of the present invention.The purpose of doing like this is: car running computer can be crossed the data communication device that detects exactly and calculate quantitative data command, and by the switching signal control end control that mixes oil pump mix the work of oil pump and workload, by the switching signal control end of oil feed pump control exactly fuel tank fuel delivery, by the switching signal control end of multichannel air valve control the size of the unlatching quantity of air valve what time and valve opening amount, by intensification controller control heating device work or do not work.
Technological scheme 1: a kind of diesel engine exhaust after-treatment device heating device control system, the car running computer signal input part respectively with the rotary speed of diesel engine signal output part, diesel engine exhaust after-treatment device multiplication of voltage signal output part, after-treatment device heating device temperature signal output terminal, the signal output part of gas holder pressure transducer in the air compression plant, the output terminal of the output terminal of fuel tank fuel quantity liquid level signal and additive tank adding quantity signal connects, the signal output part of car running computer respectively with the switching signal control end that mixes oil pump, the switching signal control end of oil feed pump, the switching signal control end of multichannel air valve and the switching signal control end of intensification controller connect, the additive tank outlet is communicated with the import that mixes oil pump by indusion tube, the miscella delivery side of pump is communicated with fuel tank by indusion tube, the outlet of fuel tank is communicated with the oil feed pump import by transport pipe, oil feed pump exports by transport pipe to after-treatment device heating device fuel feeding, multichannel air valve suction port is also logical in succession to be communicated with gas holder outlet in the air compression plant, and multichannel air valve air outlet is also logical to the oxygen supply of after-treatment device heating device in succession.
Technological scheme 2: a kind of diesel engine exhaust after-treatment device heating device controlling method, the car running computer power-on self-test, and carry out data collection, demonstration or warning, when diesel engine exhaust after-treatment device multiplication of voltage reaches multiplication of voltage regeneration setting value, car running computer instruction intensification controller plugged is to the electrical heating rod in after-treatment device heating device power supply, and electrical heating rod is heat energy with electric energy conversion and the heat retainer in the diesel oil gasification chamber in the after-treatment device heating device heated; When regenerator temperature reaches the required setting value of diesel oil gasification, car running computer instruction oil feed pump is to after-treatment device heating device fuel feeding, when the oil of confession be sprayed onto moment of electrical heating rod in by the diesel oil gasification chamber in the after-treatment device heating device, the gasification after diesel oil by the electrical heating rod ignition combustion after, the conducting of intensification controller is powered to electrical heating rod, electrical heating rod converts electric energy to heat energy and keeps the normality fired state, car running computer is according to the unlatching quantity of oxygen supply valve and the amount of oxygen supply valve opening in how many instruction multichannel air valves of fuel delivery, thereby make gasification diesel oil and oxygen mix proportioning reach the value that sets, and then the heating device burning is carried out the flame burning to the diesel engine exhaust after-treatment device, when diesel engine exhaust after-treatment device multiplication of voltage drops to the multiplication of voltage value that sets, car running computer instruction oil feed pump fuel cut-off, instruction intensification controller is cut off the electricity supply, and igniting finishes.
The present invention compares with background technique, the one, car running computer is according to diesel engine exhaust after-treatment device operating mode, intelligent control fuel and oxygen dispensing, thus make the sufficient combustion of heating device, combustion value high, regeneration to the diesel engine exhaust after-treatment device is complete, thorough, favorable regeneration effect; The 2nd, realized in the firing up process, fuel and oxygen blending ratio intelligent control progressively increase, and have avoided heating up too fast, and after temperature reaches setting value, have then carried out temperature control, make temperature maintain setting value.
Description of drawings
Fig. 1 is the schematic diagram of diesel engine exhaust after-treatment device heating device control system.
Fig. 2 is car running computer workflow schematic diagram.
Embodiment
Embodiment 1: with reference to accompanying drawing 1.A kind of diesel engine exhaust after-treatment device heating device control system, car running computer 4 signal input parts respectively with diesel engine 7 tach signal output terminals, diesel engine exhaust after-treatment device 6 multiplication of voltage signal output parts, after-treatment device heating device 5 temperature signal output terminals, the signal output part of gas holder pressure transducer in the air compression plant 8, the output terminal of the output terminal of fuel tank 2 oil mass liquid level signals and additive tank 1 adding quantity signal connects, the signal output part of car running computer 4 respectively with the switching signal control end that mixes oil pump 11, the switching signal control end of oil feed pump 10, the switching signal control end of multichannel air valve 9 and the switching signal control end of intensification controller 3 connect, additive tank 1 outlet is communicated with the import that mixes oil pump 11 by indusion tube, the outlet that mixes oil pump 11 is communicated with fuel tank 2 by indusion tube, the outlet of fuel tank 2 is communicated with oil feed pump 10 imports by transport pipe, oil feed pump 10 exports by transport pipe to after-treatment device heating device 5 fuel feeding, multichannel air valve 9 suction ports and in succession in logical and the air compression plant 8 the gas holder outlet is communicated with multichannel air valve 9(multichannel suction valve) air outlet also leads to 5 oxygen supplys of after-treatment device heating device in succession.Described after-treatment device heating device 5 outlets are communicated with 6 imports of diesel engine exhaust after-treatment device, and 5 imports of after-treatment device heating device are communicated with 12 outlets of diesel engine exhaust road.Described car running computer 4 has communication interface, data can be exported on the PC.Described car running computer 4 is ECU.Described ECU has the RS485 interface.
Embodiment 2: on embodiment 1 basis, described diesel engine exhaust road 12 is connected to by-pass line 13 by solenoid valve, and the switching signal control end of solenoid valve is connected with car running computer 4 signal output parts.
Embodiment 3: with reference to accompanying drawing 2.On embodiment 1 basis, a kind of diesel engine exhaust after-treatment device heating device controlling method, car running computer 4 power-on self-tests, initial inspection refers to that ECU carries out data capture to peripheral unit, owing to refueling, fuel tank needs to add the additive of respective amount from main control or prompting, and carry out data collection, demonstration or warning, detect the ECU memory span, reminder-data collection, memory state.The ECU storage should be stored the image data more than 15 days, then automatically removes after storage is full.When diesel engine exhaust after-treatment device 6 multiplication of voltages reach multiplication of voltage regeneration setting value, car running computer 4 instruction intensification controllers 3 pluggeds are to the electrical heating rod in the after-treatment device heating device 5 power supply, and electrical heating rod is heat energy with electric energy conversion and the heat retainer in the diesel oil gasification chamber in the after-treatment device heating device 5 heated; When regenerator temperature reaches the required setting value of diesel oil gasification, car running computer 4 instruction oil feed pumps 10 are given after-treatment device heating device 5 fuel feeding, when the oil of confession be sprayed onto moment of electrical heating rod in by the diesel oil gasification chamber in the after-treatment device heating device 5, the gasification after diesel oil by the electrical heating rod ignition combustion after, 3 conductings of intensification controller are powered to electrical heating rod, electrical heating rod converts electric energy to heat energy and keeps the normality fired state, car running computer 4 is according to the unlatching quantity of oxygen supply valve and the amount of oxygen supply valve opening in how many instruction multichannel air valves 9 of fuel delivery, thereby make gasification diesel oil and oxygen mix proportioning reach the value that sets, and then heating device 5 burnings are carried out the flame burning to diesel engine exhaust after-treatment device 6, when diesel engine exhaust after-treatment device 6 multiplication of voltages drop to the multiplication of voltage value that sets, car running computer 4 instruction oil feed pumps 10 fuel cut-offs, instruction intensification controller 3 is cut off the electricity supply, and igniting finishes.Initial inspection refers to that ECU carries out data capture to peripheral unit, needs to add the additive of respective amount from main control or prompting owing to fuel tank refuels.ECU is according to concrete vehicle condition intelligent control fuel and oxygen dispensing, also intelligent control of fuel and oxygen in the firing up process, and progressively increase, too fast to avoid heating up; After temperature reaches demand, then carry out temperature control, make temperature maintain setting value.
Trigger the free interval of igniting and exhaust multiplication of voltage limit value dual mode.
Embodiment 4: on embodiment 3 basis, when diesel engine exhaust after-treatment device 6 just in case during the phenomenon that occurs regenerating, be that diesel engine exhaust after-treatment device 6 back pressures are when surpassing the CLV ceiling limit value set, the solenoid valve that car running computer 4 instructions are communicated with diesel engine exhaust road 12 is opened, exhaust is discharged by by-pass line 13 in the diesel engine exhaust road 12, to make emergency treatment.
What need to understand is: although above-described embodiment is to the mentality of designing of the present invention detailed text description of contrasting; but these text descriptions; just the simple text of mentality of designing of the present invention is described; rather than to the restriction of mentality of designing of the present invention; any combination, increase or modification that does not exceed mentality of designing of the present invention all falls within the scope of protection of the present invention.
Claims (9)
1. diesel engine exhaust after-treatment device heating device control system, it is characterized in that: car running computer (4) signal input part respectively with diesel engine (7) tach signal output terminal, diesel engine exhaust after-treatment device (6) multiplication of voltage signal output part, after-treatment device heating device (5) temperature signal output terminal, the signal output part of gas holder pressure transducer in the air compression plant (8), the output terminal of the output terminal of fuel tank (2) oil mass liquid level signal and additive tank (1) adding quantity signal connects, the signal output part of car running computer (4) respectively with the switching signal control end that mixes oil pump (11), the switching signal control end of oil feed pump (10), the switching signal control end of the switching signal control end of multichannel air valve (9) and intensification controller (3) connects, additive tank (1) outlet is communicated with the import that mixes oil pump (11) by indusion tube, the outlet that mixes oil pump (11) is communicated with fuel tank (2) by indusion tube, the outlet of fuel tank (2) is communicated with oil feed pump (10) import by transport pipe, oil feed pump (10) exports by transport pipe to after-treatment device heating device (5) fuel feeding, multichannel air valve (9) suction port is also logical in succession to be communicated with gas holder outlet in the air compression plant (8), and multichannel air valve (9) air outlet also leads to after-treatment device heating device (5) oxygen supply in succession.
2. diesel engine exhaust after-treatment device heating device control system according to claim 1, it is characterized in that: described car running computer (4) has communication interface, data can be exported on the PC.
3. diesel engine exhaust after-treatment device heating device control system according to claim 1, it is characterized in that: described car running computer (4) is ECU.
4. diesel engine exhaust after-treatment device heating device control system according to claim 1, it is characterized in that: described ECU has the RS485 interface.
5. diesel engine exhaust after-treatment device heating device control system according to claim 1, it is characterized in that: described after-treatment device heating device (5) outlet is communicated with diesel engine exhaust after-treatment device (6) import, and after-treatment device heating device (5) import is communicated with diesel engine exhaust road (12) outlet.
6. diesel engine exhaust after-treatment device heating device control system according to claim 1, it is characterized in that: described diesel engine exhaust road (12) is connected to by-pass line (13) by solenoid valve, and the switching signal control end of solenoid valve is connected with car running computer (4) signal output part.
7. diesel engine exhaust after-treatment device heating device controlling method, it is characterized in that: car running computer (4) power-on self-test, and carry out data collection, demonstration or warning, when diesel engine exhaust after-treatment device (6) multiplication of voltage reaches multiplication of voltage regeneration setting value, car running computer (4) instruction intensification controller (3) plugged is to the power supply of the electrical heating rod in the after-treatment device heating device (5), and electrical heating rod is heat energy and the heat retainer heating that diesel oil gasification chamber in the after-treatment device heating device (5) is interior with electric energy conversion; When regenerator temperature reaches the required setting value of diesel oil gasification, car running computer (4) instruction oil feed pump (10) is given after-treatment device heating device (5) fuel feeding, when the oil of confession be sprayed onto moment of electrical heating rod in by the diesel oil gasification chamber in the after-treatment device heating device (5), the gasification after diesel oil by the electrical heating rod ignition combustion after, intensification controller (3) conducting is powered to electrical heating rod, electrical heating rod converts electric energy to heat energy and keeps the normality fired state, car running computer (4) is according to the unlatching quantity of oxygen supply valve and the amount of oxygen supply valve opening in how many instruction multichannel air valves (9) of fuel delivery, thereby make gasification diesel oil and oxygen mix proportioning reach the value that sets, and then heating device (5) burning is carried out the flame burning to diesel engine exhaust after-treatment device (6), when diesel engine exhaust after-treatment device (6) multiplication of voltage drops to the multiplication of voltage value that sets, car running computer (4) instruction oil feed pump (10) fuel cut-off, instruction intensification controller (3) is cut off the electricity supply, and igniting finishes.
8. diesel engine exhaust after-treatment device heating device controlling method according to claim 7, it is characterized in that: initial inspection refers to that ECU carries out data capture to peripheral unit, needs to add the additive of respective amount from main control or prompting owing to fuel tank refuels.
9. diesel engine exhaust after-treatment device heating device controlling method according to claim 7, it is characterized in that: ECU is according to concrete vehicle condition intelligent control fuel and oxygen dispensing, also intelligent control of fuel and oxygen in the firing up process progressively increases, and is too fast to avoid heating up; After temperature reaches demand, then carry out temperature control, make temperature maintain setting value.
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| CN201310019293.3A CN103306782B (en) | 2013-01-18 | 2013-01-18 | Diesel engine exhaust aftertreatment device heating device control system and controlling method |
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| CN201310019293.3A CN103306782B (en) | 2013-01-18 | 2013-01-18 | Diesel engine exhaust aftertreatment device heating device control system and controlling method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103603710A (en) * | 2013-10-23 | 2014-02-26 | 贵州黄帝车辆净化器有限公司 | System and method for diesel particulate filter (DPF) automatic regeneration |
| CN103603714A (en) * | 2013-10-23 | 2014-02-26 | 贵州黄帝车辆净化器有限公司 | System and method for diesel particulate filter (DPF) automatic regeneration control |
| CN103742240A (en) * | 2013-12-30 | 2014-04-23 | 黄黎敏 | System and method for DPF automatic regeneration control |
| CN107178405A (en) * | 2017-07-21 | 2017-09-19 | 无锡隆盛科技股份有限公司 | The granule capturing and regenerative system of a kind of anti-explosion diesel engine for mine |
| CN108397268A (en) * | 2018-02-24 | 2018-08-14 | 安徽江淮汽车集团股份有限公司 | A kind of exhaust initiative regeneration control system |
| CN113586207A (en) * | 2021-06-30 | 2021-11-02 | 东风汽车集团股份有限公司 | Cold-start exhaust treatment system and treatment method for passenger car engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103603710A (en) * | 2013-10-23 | 2014-02-26 | 贵州黄帝车辆净化器有限公司 | System and method for diesel particulate filter (DPF) automatic regeneration |
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| CN103742240A (en) * | 2013-12-30 | 2014-04-23 | 黄黎敏 | System and method for DPF automatic regeneration control |
| CN107178405A (en) * | 2017-07-21 | 2017-09-19 | 无锡隆盛科技股份有限公司 | The granule capturing and regenerative system of a kind of anti-explosion diesel engine for mine |
| CN108397268A (en) * | 2018-02-24 | 2018-08-14 | 安徽江淮汽车集团股份有限公司 | A kind of exhaust initiative regeneration control system |
| CN113586207A (en) * | 2021-06-30 | 2021-11-02 | 东风汽车集团股份有限公司 | Cold-start exhaust treatment system and treatment method for passenger car engine |
| CN113586207B (en) * | 2021-06-30 | 2022-11-15 | 东风汽车集团股份有限公司 | Cold-start exhaust treatment system and treatment method for passenger car engine |
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| CN103306782B (en) | 2016-03-30 |
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