CN103603711B - Motor vehicle tail gas purifying system and oxygen supply adjusting method - Google Patents
Motor vehicle tail gas purifying system and oxygen supply adjusting method Download PDFInfo
- Publication number
- CN103603711B CN103603711B CN201310577296.9A CN201310577296A CN103603711B CN 103603711 B CN103603711 B CN 103603711B CN 201310577296 A CN201310577296 A CN 201310577296A CN 103603711 B CN103603711 B CN 103603711B
- Authority
- CN
- China
- Prior art keywords
- oxygen
- microprocessing unit
- motor vehicles
- gas
- air register
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
- Y02T10/12—Improving ICE efficiencies
Abstract
The invention relates to a motor vehicle tail gas purifying system and an oxygen supply adjusting method and belongs to the field of motor vehicle tail gas control equipment. The motor vehicle tail gas purifying system comprises an engine, and an air inlet system, an ignition system, an oil supply system and an exhaust system which are connected with the engine. A motor vehicle engine ECU (electronic control unit) is connected with the engine, the air inlet system, the ignition system, the oil supply system and the exhaust system through an executing circuit. The motor vehicle tail gas purifying system is characterized in that the system is provided with an oxygen-enriched combustion system mechanically connected with the air inlet system and a tail gas secondary combustion system mounted on the exhaust system, the executing circuit is connected with the oxygen-enriched combustion system and the tail gas secondary combustion system, and the oxygen-enriched combustion system and the tail gas secondary combustion system are connected with the motor vehicle engine ECU. By the oxygen-enriched combustion system and the tail gas secondary combustion system added to the system, in-engine purification is coordinated with out-engine purification, fuel is saved, and tail gas emission is further reduced.
Description
Technical field
A kind of motor vehicle tail-gas purifying system and oxygen supply control method, belong to motor-vehicle tail-gas control device field.Specifically
It is related to a kind of oxygen-enriched combustion system improving motor vehicles in-cylinder combustion technology and the tail gas secondary combustion system of the outer tail gas clean-up of cylinder
Motor vehicle tail-gas purifying system.
Background technology
Co, ch compound in the tail gas of vehicular emission, noxLead compound in compound, particulate matter and tail gas, sulfur
Compound etc. is all the killer threatening human health, and the medical treatment cost leading to therefrom increases and sick forfeiture of workman produces
Socie-economic loss that power is brought is so that Chinese gdp's 5% is canceled out.Motor vehicle tail-gas purifying refers to take a variety of effectively arranges
Apply pollutant in minimizing automotive emission, or make co, hc, no in automotive emissionxPass through oxidation Deng pollutant
Or reduction reaction generates nontoxic water, co2And n2.
In order to reduce motor vehicle emission, commonly used two approach both at home and abroad at present:
One is internal purification technology, that is, improve engine combustion technology, refuelling composition or other combustion-supporting improved technologies,
Specifically include that 1, engine combustion technology improves: all may be used for example with fuel oil in-cylinder direct-jet technology, VVT etc.
To improve in-engine burning situation, improve efficiency of combustion；2nd, refuelling composition: for example with unleaded gas, ethanol vapor
Oil etc. can remove in tail gas more than 80% harmful gass substantially；3rd, other combustion-supporting improved technologies: add a certain amount of in such as machine oil
(ratio is 3% ~ 5%) solid additive such as graphite, molybdenum bisuphide can improve efficiency of combustion.
Two is outside purification technology, i.e. tail gas clean-up technology.What outside purification technology was most frequently with is exactly three-element catalytic skill
Art, co is oxidized to co2, noxIt is reduced into as n2Deng.Additionally, American scientist investigated low-temperature plasma in 20 end of the centurys
Body technique is used for exhaust-gas treatment and obtains good effect.
At present, countries in the world control more and more strictly to motor vehicle exhaust emission, and this problem of tail gas clean-up becomes automobile row
Put the focus in field.Due to its respective market space of various purification techniques can not the coordinating and unifying, pervasive, efficient, economical
The exploitation of tail gas clean-up technology just seems more necessary, and problem demanding prompt solution is concentrated mainly on three below side at present
Face:
1st, the coordinating and unifying of internal purification technology and outside purification technology；
2nd, the improvement further of internal purification technology, the especially improvement of in-cylinder combustion technology, such as oxygen-enriched combustion technology；
3rd, the raw material upgrading of outside purification technology and technological improvement, as opening of non-noble metal Cheap highly effective ternary catalyzing unit
Send out, technology upgrading of secondary burning technology for tail gas etc..
Content of the invention
The technical problem to be solved in the present invention is: overcomes the deficiencies in the prior art, provides one kind by increasing oxygen-enriched combusting
System and tail gas secondary combustion system, it is achieved that internal purification technology and the coordinating and unifying of outside purification technology, are not only saved
Fuel, also reduce further motor vehicle tail-gas purifying system and the oxygen supply control method of exhaust emissions.
The technical solution adopted for the present invention to solve the technical problems is: this motor vehicle tail-gas purifying system, including motor-driven
In-car electromotor and gas handling system, ignition system, oil supply system and the gas extraction system of passing through mechanical connection with electromotor, machine
Motor vehicle engine ecu is connected with electromotor, gas handling system, ignition system, oil supply system and gas extraction system by execution circuit, machine
Motor vehicle engine ecu receives the transducing signal from gas handling system, ignition system, oil supply system and gas extraction system simultaneously, and it is special
Levy and be: the tail gas being provided with the gas handling system oxygen-enriched combustion system passing through mechanical connection and being arranged in gas extraction system is secondary
Combustion system, described execution circuit is connected with oxygen-enriched combustion system and tail gas secondary combustion system, oxygen-enriched combustion system and tail
Gas secondary combustion system is connected with motor car engine ecu simultaneously.
Described motor engine exhaust gas pipe includes 1 section of motor engine exhaust gas pipe, motor engine exhaust gas pipe 2
Section and 3 sections of motor engine exhaust gas pipe, described tail gas secondary combustion system includes the second oxygen supply device (2), the second electronics
Air register, venturi dissolve device, the second microprocessing unit, be arranged on 2 sections of the exhaust pipe of engine one-level oxygen sensor and
It is arranged on two grades of oxygen sensors of 3 sections of the exhaust pipe of engine, the second oxygen supply device (2) is with the second electronics air register machinery even
Connect, 2 sections with the exhaust pipe of engine of 1 section of the exhaust pipe of engine is connected, the second electronics air register and motor engine exhaust gas pipe 2
The outfan of section is dissolved device for mechanical with venturi simultaneously and is connected, and venturi dissolves outfan and the motor-vehicle tail-gas ternary of device
The input of catalysis system is mechanically connected, and the outfan of tail gas TWC Three Way Catalyst System connects 3 sections of motor engine exhaust gas pipe；
Motor car engine ecu, one-level oxygen sensor and two grades of oxygen sensors pass through holding wire and the second microprocessing unit
Be connected, the second microprocessing unit according to one-level oxygen sensor, two grades of oxygen sensor signals, motor vehicles ecu command signals, control with
Be connected the second electronics air register action.
The second described oxygen supply device includes the second axial flow blower, the second miniature air filter and for filtering oxygen
Second oxygen-enriching device, the air of the second oxygen-enriching device is flowed into end and is flexible coupling by vacuum tubes with the second miniature air filter,
The oxygen-enriched outflow end of the second oxygen-enriching device is connected with the second electronics air register input, the outside attaching of the second oxygen-enriching device
Two axial flow blowers, the power supply of the second axial flow blower connects motor vehicles ignition switch.
The second described axial flow blower adopts the turbine type direct current 12v blower fan that air output is 80 ~ 100cfm.
Described oxygen-enriched combustion system includes the first oxygen supply device, the first electronics air register and the first microprocessing unit,
First oxygen supply device and the first electronics air register are mechanically connected, solar term in the first electronics air register and motor vehicles gas handling system
Arbitrary vacuum tube behind the door is flexible coupling；
Described motor car engine ecu, the second microprocessing unit are connected with the first microprocessing unit by holding wire, the
One microprocessing unit is followed vehicle signal line communications protocol and is received from motor vehicles ecu signal and the second microprocessing unit signal
Instruction controls the action of the first electronics air register being attached thereto by holding wire.
The first described oxygen supply device includes the first axial flow blower, the first miniature air filter and the first oxygen-enriching device,
The air of the first oxygen-enriching device is flowed into end and is flexible coupling by vacuum tubes with the first miniature air filter, the first oxygen-enriching device
Arbitrary vacuum tube after the first electronics air register with vehicle throttle for the oxygen-enriched outflow end is flexible coupling；First oxygen-enriching device
Outside attaching first axial flow blower, the power supply of the first axial flow blower connects motor vehicles ignition switch.
The first described axial flow blower adopts power supply 5 ~ 12v, and air output is in the DC fan of 45 ~ 70cfm.
A kind of oxygen supply control method of motor vehicle tail-gas purifying system it is characterised in that: include be embedded in the first microprocessor
Oxygen-enriched combusting air intake control method in unit and the tail gas second-time burning air inlet controlling party being embedded in the second microprocessing unit
Method.
Described oxygen-enriched combusting air intake control method, comprises the steps:
Step 1001, receives control signal；
The first microprocessing unit in oxygen-enriched combustion system receives the signal from motor vehicles ecu, and signal includes electromotor
Rotating speed, intake air temperature, air- distributor pressure, coolant water temperature, speed of crankshaft, ambient temperature, throttle opening, fuel injection pulsewidth, quick-fried
Shake and oxygen sensor signal；
Step 1002, analysis and Control signal；
First microprocessing unit receives after motor-driven in-car ecu signal, in conjunction with the tail of the second microprocessing unit
Gas discharge feedback signal, judges the current transport condition of motor vehicles；
Step 1003, judges whether motor vehicles are in starting state；
First microprocessing unit judges whether motor vehicles are in starting state, if being in starting state, execution step
1004, otherwise execution step 1005；
Step 1004, controls the first electronics air register gas output to be 100%；
First microprocessing unit controls the first electronics air register to enter the confession oxygen condition of gas output 100%；
Step 1005, judges whether motor vehicles are in idling mode；
First microprocessing unit judges whether motor vehicles are in idling mode, if being in idling mode, execution step
1006, otherwise execution step 1007；
Step 1006, controls the first electronics air register gas output to be 60% ~ 70%；
First microprocessing unit controls the first electronics air register to enter the confession oxygen condition of gas output 60% ~ 70%；
Step 1007, judges whether motor vehicles are in Smaller load state；
First microprocessing unit judges whether motor vehicles are in Smaller load state, if being in Smaller load state, executes step
Rapid 1008, otherwise execution step 1009；
Step 1008, controls the first electronics air register gas output to be 20% ~ 30%；
First microprocessing unit controls the first electronics air register to enter the confession oxygen condition of gas output 20% ~ 30%；
Step 1009, judges whether motor vehicles are in middle load condition；
First microprocessing unit judges whether motor vehicles are in middle load condition, if being in middle load condition, executes step
Rapid 1010, otherwise execution step 1011；
Step 1010, controls the first electronics air register gas output to be 35% ~ 50%；
First microprocessing unit controls the first electronics air register to enter the confession oxygen condition of gas output 35% ~ 50%；
Step 1011, judges whether motor vehicles are in full load state；
First microprocessing unit judges whether motor vehicles are in full load state, if being in full load state, executes step
Rapid 1012, otherwise execution step 1013；
Step 1012, controls the first electronics air register gas output to be 75% ~ 85%；
First microprocessing unit controls the first electronics air register to enter the confession oxygen condition of gas output 75% ~ 85%；
Step 1013, judges whether motor vehicles are in acceleration mode；
First microprocessing unit judges whether motor vehicles are in acceleration mode, if being in acceleration mode, execution step
1014, otherwise execution step 1015；
Step 1014, controls the first electronics air register gas output to be 95% ~ 100%；
First microprocessing unit controls the first electronics air register to enter the confession oxygen condition of gas output 95% ~ 100%；
Step 1015, the first electronics air register oxygen feeding stop；
Now motor vehicles are in dragging state, and the first microprocessing unit controls the first electronics air register to close, and stop supplying
Oxygen.
Described tail gas second-time burning air intake control method, comprises the steps:
Step 2001, receives control signal；
The second microprocessing unit in oxygen-enriched combustion system receives signal and motor car engine row from motor vehicles ecu
Two grades of oxygen sensor signals in one-level oxygen sensor signal in 2 sections of trachea and 3 sections of motor engine exhaust gas pipe, wherein machine
The signal of motor-car ecu include engine speed, intake air temperature, air- distributor pressure, coolant water temperature, speed of crankshaft, ambient temperature,
Throttle opening, fuel injection pulsewidth, pinking and oxygen sensor signal；
Step 2002, analysis and Control signal；
Second microprocessing unit receives signal and one-level oxygen sensor signal, two grades of oxygen from motor-driven in-car ecu
After sensor signal, judge the current transport condition of motor vehicles；
Step 2003, judges whether motor vehicles are in starting state；
Second microprocessing unit judges whether motor vehicles are in starting state, if being in starting state, execution step
2004, otherwise execution step 2005；
Step 2004, controls the second electronics air register oxygen feeding stop；
Second microprocessing unit controls the second electronics air register to close, oxygen feeding stop；
Step 2005, judges whether motor vehicles are in idling mode；
Second microprocessing unit judges whether motor vehicles are in idling mode, if being in idling mode, execution step
2006, otherwise execution step 2007；
Step 2006, controls the second electronics air register gas output to be 30% ~ 50%；
Second microprocessing unit controls the second electronics air register to enter the confession oxygen condition of gas output 30% ~ 50%；
Step 2007, judges whether motor vehicles are in Smaller load state；
Second microprocessing unit judges whether motor vehicles are in Smaller load state, if being in Smaller load state, executes step
Rapid 2008, otherwise execution step 2009；
Step 2008, controls the second electronics air register gas output to be 50% ~ 60%；
Second microprocessing unit controls the second electronics air register to enter the confession oxygen condition of gas output 50% ~ 60%；
Step 2009, judges whether motor vehicles are in middle load condition；
Second microprocessing unit judges whether motor vehicles are in middle load condition, if being in middle load condition, executes step
Rapid 2010, otherwise execution step 2011；
Step 2010, controls the second electronics air register gas output to be 75% ~ 90%；
Second microprocessing unit controls the second electronics air register to enter the confession oxygen condition of gas output 75% ~ 90%；
Step 2011, judges whether motor vehicles are in full load state；
Second microprocessing unit judges whether motor vehicles are in full load state, if being in full load state, executes step
Rapid 2012, otherwise execution step 2013；
Step 2012, controls the second electronics air register gas output to be 15% ~ 20%；
Second microprocessing unit controls the second electronics air register to enter the confession oxygen condition of gas output 15% ~ 20%；
Step 2013, judges whether motor vehicles are in acceleration mode；
Second microprocessing unit judges whether motor vehicles are in acceleration mode, if being in acceleration mode, execution step
2014, otherwise execution step 2015；
Step 2014, controls the second electronics air register gas output to be 5% ~ 10%；
Second microprocessing unit controls the second electronics air register to enter the confession oxygen condition of gas output 5% ~ 10%；
Step 2015, controls the second electronics air register gas output to be 100%；
Now motor vehicles are in dragging state, and the second microprocessing unit controls the second electronics air register to enter gas output
100% confession oxygen condition.
Compared with prior art, being had the beneficial effect that of the present invention
The motor vehicle tail-gas purifying system of the present invention, using the working condition signal of motor-driven in-car ecu, by the first microprocessor list
In unit and the second microprocessing unit, integrated oxygen-enriched combusting air intake control method and tail gas second-time burning air intake control method are optimum
Control the oxygen supply amount of motor vehicles the oxygen supply amount of electromotor oxygen-enriched combustion system and tail gas secondary combustion system under different operating modes, real
In existing cylinder, the abundant burning of oil gas and the secondary oxygen-enriched combusting of tail gas are to reach the purpose of energy-saving and emission-reduction it is achieved that emission controls by improving combustion skill
Art and the coordinating and unifying of outside purification technology, while improving engine combustion technology, also improve tail gas second-time burning
Technology, has not only saved fuel, also reduce further exhaust emissions, and the development to human economic society has great meaning
Justice.
Brief description
Fig. 1 is a kind of motor vehicle tail-gas purifying system structure diagram.
Fig. 2 is a kind of motor vehicle tail-gas purifying system oxygen-enriched combustion system structural representation.
Fig. 3 is a kind of motor vehicle tail-gas purifying system tail gas secondary combustion system structural representation.
Fig. 4 is a kind of motor vehicle tail-gas purifying system oxygen supply control method oxygen-enriched combustion system air intake control method flow process
Figure.
Fig. 5 is a kind of motor vehicle tail-gas purifying system oxygen supply control method tail gas secondary combustion system air intake control method stream
Cheng Tu.
Wherein: 1, the first oxygen supply device 2, the second oxygen supply device.
Specific embodiment
Fig. 1 ~ 5 are highly preferred embodiment of the present invention, and 1 ~ 5 the present invention will be further described below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of motor vehicle tail-gas purifying system of the present invention except in prior art by ignition system, air inlet
It is total that system, oil supply system and gas extraction system are collectively forming motor car engine with motor car engine by being mechanically connected respectively
Outside one-tenth system, also include the oxygen-enriched combustion system that is connected with motor vehicles gas handling system and be arranged on motor vehicle exhaustion system
Tail gas secondary combustion system, the working condition of oxygen-enriched combustion system and tail gas secondary combustion system is by motor car engine
The instruction of ecu controls execution circuit to be realized.Mechanical connection relation in a kind of motor vehicle tail-gas purifying system of the present invention
In, after oxygen-enriched combustion system and air throttle in motor vehicles gas handling system, arbitrary vacuum tube is flexible coupling, general pass through a diameter of 5 ~
10mm's is hose connection, is ordinarily connected to FAI Fresh Air Intake valve (pvc valve), fuel pressure control valve, egr valve or auxiliary air and enters
At the vacuum access point of air valve etc..The ignition system of motor vehicles, gas handling system and oil supply system are connected with electromotor, electromotor with
Gas extraction system is connected, and above-mentioned tail gas secondary combustion system is arranged in motor vehicle exhaustion system nearly engine exhaust port and three
Optional position on pipeline between unit's catalysis.
In a kind of circuit connecting relation of motor vehicle tail-gas purifying system of the present invention, motor car engine ecu passes through
Holding wire is connected with execution circuit, execution circuit pass through motor vehicle body holding wire respectively with motor vehicles gas handling system, ignition system,
Oil supply system, oxygen-enriched combustion system, tail gas secondary combustion system and motor car engine are connected.Motor car engine ecu leads to
Cross vehicle signal line to receive from motor vehicle body gas handling system, ignition system, oil supply system, oxygen-enriched combustion system and tail gas two
The transducing signal of secondary combustion system, and execution circuit is sent instructions to by the work arteries and veins spectrogram that motor car engine ecu embeds,
To reach Comprehensive Control motor vehicle body gas handling system, ignition system, oil supply system, oxygen-enriched combustion system, tail gas after burner system
System and motor vehicles other electric-control system working condition, make electromotor steady in a long-term be operated in low emission, the operating mode of low oil consumption
Under purpose.
As shown in Fig. 2 a kind of oxygen-enriched combustion system of motor vehicle tail-gas purifying system of the present invention includes: the first electronics is adjusted
Device of air, the first oxygen supply device 1 and the first microprocessing unit, in the mechanical connection relation of oxygen-enriched combustion system, first gives
Oxygen device 1 is connected with the first electronics air register, appointing after air throttle in the first electronics air register and motor vehicles gas handling system
One vacuum tube is flexible coupling, and the first oxygen supply device 1 is gas handling system oxygen supply by the first electronics air register, the first electronics regulating QI dress
The mechanical adjustment putting gas output by being realized the change of 0 ~ 90 ° of throttle opening by motor, in the first electronics air register
Motor have first microprocessing unit control.
First oxygen supply device 1 includes the first axial flow blower, the first miniature air filter and the first oxygen-enriching device, and first is rich
Oxygen device can be realized using oxygen permeable membrane or denitrogenate activated carbon, and oxygen rate processed reaches 30%(1atm, 20 DEG C), the first oxygen-enriching device
Air flow into end be flexible coupling by vacuum tubes with the first miniature air filter, the ventilative resistance of the first miniature air filter
Power is in 1.5 ~ 2kpa；The oxygen-enriched outflow end of the first oxygen-enriching device appointing after the first electronics air register with vehicle throttle
One vacuum tube is flexible coupling；Outside attaching first axial flow blower of the first oxygen-enriching device；The power supply of the first axial flow blower connects motor-driven
Car ignition switch, the first axial flow blower typically adopts the DC fan of power supply 5 ~ 12v, and air output is in 45 ~ 70cfm.
In the circuit connecting relation of oxygen-enriched combustion system, the first microprocessing unit and the first electronics air register pass through letter
Number line is connected, the first microprocessing unit follow vehicle signal line communications protocol receive micro- from motor vehicles ecu signal and second
Processing unit signal instruction simultaneously specifically to control first with reference to the embedded oxygen-enriched combusting air intake control method of the first microprocessing unit
The action moment of electronics air register, thus reach the purpose controlling the first oxygen supply device 1 gas output.
As shown in figure 4, oxygen-enriched combustion system air intake control method, comprise the steps:
Step 1001, receives control signal；
The first microprocessing unit in oxygen-enriched combustion system receives the signal from motor vehicles ecu, and signal includes electromotor
Rotating speed, intake air temperature, air- distributor pressure, coolant water temperature, speed of crankshaft, ambient temperature, throttle opening, fuel injection pulsewidth, quick-fried
Shake and oxygen sensor signal；
Step 1002, analysis and Control signal；
First microprocessing unit receives after motor-driven in-car ecu signal, in conjunction with the tail of the second microprocessing unit
Gas discharge feedback signal, judges the current transport condition of motor vehicles；
Step 1003, judges whether motor vehicles are in starting state；
First microprocessing unit judges whether motor vehicles are in starting state, if being in starting state, execution step
1004, otherwise execution step 1005；
Step 1004, controls the first electronics air register gas output to be 100%；
If it is determined that electromotor is under starting state, the first microprocessing unit controls the first electronics air register entrance to give vent to anger
The confession oxygen condition of amount 100%；
Step 1005, judges whether motor vehicles are in idling mode；
First microprocessing unit judges whether motor vehicles are in idling mode, if being in idling mode, execution step
1006, otherwise execution step 1007；
Step 1006, controls the first electronics air register gas output to be 60% ~ 70%；
If it is determined that electromotor is under idling mode, the first microprocessing unit controls the first electronics air register entrance to give vent to anger
The confession oxygen condition of amount 60% ~ 70%；
Step 1007, judges whether motor vehicles are in Smaller load state；
First microprocessing unit judges whether motor vehicles are in Smaller load state, if being in Smaller load state, executes step
Rapid 1008, otherwise execution step 1009；
Step 1008, controls the first electronics air register gas output to be 20% ~ 30%；
If it is determined that electromotor is under Smaller load state, the first microprocessing unit controls the first electronics air register to enter out
The confession oxygen condition of tolerance 20% ~ 30%；
Step 1009, judges whether motor vehicles are in middle load condition；
First microprocessing unit judges whether motor vehicles are in middle load condition, if being in middle load condition, executes step
Rapid 1010, otherwise execution step 1011；
Step 1010, controls the first electronics air register gas output to be 35% ~ 50%；
If it is determined that electromotor is under middle load condition, the first microprocessing unit controls the first electronics air register to enter out
The confession oxygen condition of tolerance 35% ~ 50%；
Step 1011, judges whether motor vehicles are in full load state；
First microprocessing unit judges whether motor vehicles are in full load state, if being in full load state, executes step
Rapid 1012, otherwise execution step 1013；
Step 1012, controls the first electronics air register gas output to be 75% ~ 85%；
If it is determined that electromotor is under full load state, the first microprocessing unit controls the first electronics air register to enter out
The confession oxygen condition of tolerance 75% ~ 85%；
Step 1013, judges whether motor vehicles are in acceleration mode；
First microprocessing unit judges whether motor vehicles are in acceleration mode, if being in acceleration mode, execution step
1014, otherwise execution step 1015；
Step 1014, controls the first electronics air register gas output to be 95% ~ 100%；
If it is determined that electromotor is under acceleration mode, the first microprocessing unit controls the first electronics air register entrance to give vent to anger
The confession oxygen condition of amount 95% ~ 100%；
Step 1015, the first electronics air register oxygen feeding stop；
Now motor vehicles are in dragging state, and the first microprocessing unit controls the first electronics air register to close, and stop supplying
Oxygen.
As shown in figure 3, a kind of tail gas secondary combustion system of motor vehicle tail-gas purifying system of the present invention include second to
Oxygen device 2, the second electronics air register, venturi are dissolved device, the second microprocessing unit, are arranged on 2 sections of the exhaust pipe of engine
One-level oxygen sensor and the two grades of oxygen sensors composition, one-level oxygen sensor and the two grades of oxygen that are arranged on 3 sections of the exhaust pipe of engine
Sensor is zirconium dioxide formula oxygen sensor.
In the mechanical connection relation of tail gas secondary combustion system, the second oxygen supply device 2 and the second electronics air register phase
Even, 2 sections with motor engine exhaust gas pipe of 1 section of motor engine exhaust gas pipe is connected, and the second electronics air register, motor vehicles are sent out
The outfan that 2 sections of motivation exhaustor is dissolved device with venturi and is connected by physical mechanical structure；Venturi dissolves the defeated of device
Go out end to be connected with the input of motor-vehicle tail-gas TWC Three Way Catalyst System, venturi is dissolved device and designed for classical venturi tube, public
Claim latus rectum 50mm ~ 70mm, nominal pressure 25 ~ 30mpa.The outfan of motor-vehicle tail-gas TWC Three Way Catalyst System is sequentially connected motor vehicles
3 sections of the exhaust pipe of engine, exhaust gas sound-deadening system and motor vehicle exhaust latter end.
Second oxygen supply device 2 wraps the second axial flow blower, the second miniature air filter and the second oxygen-enriching device, and second is oxygen-enriched
Device can be realized using oxygen permeable membrane or denitrogenate activated carbon, and oxygen rate processed reaches 30%(1atm, 20 DEG C), the second oxygen-enriching device
Air is flowed into end and is flexible coupling by vacuum tubes with the second miniature air filter, the air permeance resistance of the second miniature air filter
In 1.8 ~ 3.0kpa；The oxygen-enriched outflow end of the second oxygen-enriching device is connected with the second electronics air register input, the second oxygen-enriched dress
Outside attaching second axial flow blower put, the power supply of the second axial flow blower connects motor vehicles ignition switch, and the second flow fan adopts
Air output is the turbine type direct current 12v blower fan of 80 ~ 100cfm.
In the circuit connecting relation of tail gas secondary combustion system, motor car engine ecu, one-level oxygen sensor and two grades
Oxygen sensor is connected with the second microprocessing unit by motor vehicle body holding wire respectively；Second microprocessing unit passes according to one-level oxygen
Sensor and two grades of oxygen sensor signals, in conjunction with motor vehicles ecu command signal, the tail gas embedding according to the second microprocessing unit is secondary
Burning charge control method specifically to control the action moment of the second electronics air register being attached thereto, thus reaching control
The purpose of two oxygen supply device 2 gas output；Described second microprocessing unit passes through motor vehicle body holding wire, leads to according to motorcar body
Letter agreement is communicated with motor vehicles ecu.
As shown in figure 5, tail gas second-time burning air intake control method, comprise the steps:
Step 2001, receives control signal；
The second microprocessing unit in oxygen-enriched combustion system receives signal and motor car engine row from motor vehicles ecu
Two grades of oxygen sensor signals in one-level oxygen sensor signal in 2 sections of trachea and 3 sections of motor engine exhaust gas pipe, wherein machine
The signal of motor-car ecu include engine speed, intake air temperature, air- distributor pressure, coolant water temperature, speed of crankshaft, ambient temperature,
Throttle opening, fuel injection pulsewidth, pinking and oxygen sensor signal；
Step 2002, analysis and Control signal；
Second microprocessing unit receives signal and one-level oxygen sensor signal, two grades of oxygen from motor-driven in-car ecu
After sensor signal, judge the current transport condition of motor vehicles；
Step 2003, judges whether motor vehicles are in starting state；
Second microprocessing unit judges whether motor vehicles are in starting state, if being in starting state, execution step
2004, otherwise execution step 2005；
Step 2004, controls the second electronics air register oxygen feeding stop；
If it is determined that electromotor is under starting state, the second microprocessing unit controls the second electronics air register to close, and stops
Only oxygen supply；
Step 2005, judges whether motor vehicles are in idling mode；
Second microprocessing unit judges whether motor vehicles are in idling mode, if being in idling mode, execution step
2006, otherwise execution step 2007；
Step 2006, controls the second electronics air register gas output to be 30% ~ 50%；
If it is determined that electromotor is under idling mode, the second microprocessing unit controls the second electronics air register entrance to give vent to anger
The confession oxygen condition of amount 30% ~ 50%；
Step 2007, judges whether motor vehicles are in Smaller load state；
Second microprocessing unit judges whether motor vehicles are in Smaller load state, if being in Smaller load state, executes step
Rapid 2008, otherwise execution step 2009；
Step 2008, controls the second electronics air register gas output to be 50% ~ 60%；
If it is determined that electromotor is under Smaller load state, the second microprocessing unit controls the second electronics air register to enter out
The confession oxygen condition of tolerance 50% ~ 60%；
Step 2009, judges whether motor vehicles are in middle load condition；
Second microprocessing unit judges whether motor vehicles are in middle load condition, if being in middle load condition, executes step
Rapid 2010, otherwise execution step 2011；
Step 2010, controls the second electronics air register gas output to be 75% ~ 90%；
If it is determined that electromotor is under middle load condition, the second microprocessing unit controls the second electronics air register to enter out
The confession oxygen condition of tolerance 75% ~ 90%；
Step 2011, judges whether motor vehicles are in full load state；
Second microprocessing unit judges whether motor vehicles are in full load state, if being in full load state, executes step
Rapid 2012, otherwise execution step 2013；
Step 2012, controls the second electronics air register gas output to be 15% ~ 20%；
If it is determined that electromotor is under full load state, the second microprocessing unit controls the second electronics air register to enter out
The confession oxygen condition of tolerance 15% ~ 20%；
Step 2013, judges whether motor vehicles are in acceleration mode；
Second microprocessing unit judges whether motor vehicles are in acceleration mode, if being in acceleration mode, execution step
2014, otherwise execution step 2015；
Step 2014, controls the second electronics air register gas output to be 5% ~ 10%；
If it is determined that electromotor is under acceleration mode, the second microprocessing unit controls the second electronics air register entrance to give vent to anger
The confession oxygen condition of amount 5% ~ 10%；
Step 2015, controls the second electronics air register gas output to be 100%；
Now motor vehicles are in dragging state, and the second microprocessing unit controls the second electronics air register to enter gas output
100% confession oxygen condition.
Specific work process is as follows: when motor vehicle starting and after starting, oxygen-enriched combustion system and tail gas after burner system
The working condition signal that system receives from motor vehicles ecu simultaneously (includes engine speed, intake air temperature, air- distributor pressure, cooling water
Temperature, speed of crankshaft, ambient temperature, throttle opening, fuel injection pulsewidth, pinking and oxygen sensor signal etc.), and according to such signal
Secondary according to integrated oxygen-enriched combusting air intake control method in the first microprocessing unit and the second microprocessing unit and tail gas respectively
Burning charge control method controls the specific works state of oxygen-enriched combustion system and tail gas secondary combustion system respectively, to ensure machine
Motor-car is in high burning efficiency and the running status of low exhaust gas discharge all the time.
The first microprocessing unit in oxygen-enriched combustion system, in addition to receiving from the working condition signal of motor vehicles ecu, is also joined
The exhaust emissions feedback signal examining the second microprocessing unit comes in comprehensive adjustment the first electronics air register by step motor control
Throttle opening change, thus the gas output of real-time control the first oxygen supply device 1, when electromotor is under state of starting operating, then
First microprocessing unit controls the first electronics air register to enter the confession oxygen condition of gas output 100%；When electromotor is in idling work
Under condition, then the first microprocessing unit controls the first electronics air register to enter the confession oxygen condition of gas output 60% ~ 70%；Work as electromotor
It is under small load condition, then the first microprocessing unit controls the first electronics air register to enter the oxygen supply of gas output 20% ~ 30%
State；When electromotor is under middle load condition, then the first microprocessing unit controls the first electronics air register to enter gas output
35% ~ 55% confession oxygen condition；When electromotor is under full load mode, then the first microprocessing unit controls the first electronics regulating QI dress
Put the confession oxygen condition entering gas output 75% ~ 85%；When electromotor is under accelerating mode, then the first microprocessing unit controls first
Electronics air register enters the confession oxygen condition of gas output 95 ~ 100%；Start building under condition when electromotor is in support, then the first microprocessor list
Unit controls the first electronics air register oxygen feeding stop.
The second microprocessing unit in tail gas secondary combustion system except receive from motor vehicles ecu working condition signal in addition to,
Referring also to two in the one-level oxygen sensor signal and 3 sections of motor engine exhaust gas pipe in 2 sections of motor engine exhaust gas pipe
Level oxygen sensor signal carrys out the change of the throttle opening by step motor control in comprehensive adjustment the second electronics air register, thus
The oxygen-supplying amount of the second electronics air register is carried out with real-time control simultaneously, the motor in the second electronics air register has second
Microprocessing unit controls.
When electromotor is under starting discharge operating mode, then the second microprocessing unit controls the second electronics air register to stop supplying
Oxygen；When electromotor is under idle exhaust emission operating mode, then the second microprocessing unit controls the second electronics air register to enter gas output
30% ~ 50% confession oxygen condition；When electromotor is under Smaller load discharge operating mode, then the second microprocessing unit controls the second electronics to adjust
Device of air enters the confession oxygen condition of gas output 50% ~ 60%；When electromotor is under middle load discharge operating mode, then the second microprocessor list
Unit controls the second electronics air register to enter the confession oxygen condition of gas output 75% ~ 90%；When electromotor is in full load discharge operating mode
Under, then the second microprocessing unit controls the second electronics air register to enter the confession oxygen condition of gas output 15% ~ 20%；At electromotor
In accelerating under discharge operating mode, then the second microprocessing unit controls the second electronics air register to enter the oxygen supply shape of gas output 5 ~ 10%
State；Start building under condition when electromotor is in support, then the second microprocessing unit controls the second electronics air register to enter gas output 100%
Confession oxygen condition.
The above, be only presently preferred embodiments of the present invention, is not the restriction that the present invention is made with other forms, appoints
What those skilled in the art possibly also with the disclosure above technology contents changed or be modified as equivalent variations etc.
Effect embodiment.But every without departing from technical solution of the present invention content, according to the present invention technical spirit to above example institute
Any simple modification, equivalent variations and the remodeling made, still falls within the protection domain of technical solution of the present invention.
Claims (6)
1. a kind of motor vehicle tail-gas purifying system, passes through entering of mechanical connection including motor-driven in-car electromotor and with electromotor
Gas system, ignition system, oil supply system and gas extraction system, motor car engine ecu passes through execution circuit and electromotor, air inlet system
System, ignition system, oil supply system are connected with gas extraction system, and motor car engine ecu receives from gas handling system, igniting system simultaneously
System, oil supply system and gas extraction system transducing signal it is characterised in that: be provided with pass through to be mechanically connected with gas handling system oxygen-enriched
Combustion system and the tail gas secondary combustion system being arranged in gas extraction system, described execution circuit and oxygen-enriched combustion system and tail
Gas secondary combustion system is connected, and oxygen-enriched combustion system is connected with motor car engine ecu with tail gas secondary combustion system simultaneously；
Described oxygen-enriched combustion system includes the first oxygen supply device, the first electronics air register and the first microprocessing unit, and first
Oxygen supply device and the first electronics air register are mechanically connected, after air throttle in the first electronics air register and motor vehicles gas handling system
Arbitrary vacuum tube be flexible coupling；
Described motor car engine ecu, the second microprocessing unit are connected with the first microprocessing unit by holding wire, and first is micro-
Processing unit is followed vehicle signal line communications protocol and is received from motor vehicles ecu signal and the second microprocessing unit signal instruction
Control the action of the first electronics air register being attached thereto by holding wire；
Described motor engine exhaust gas pipe include 1 section of motor engine exhaust gas pipe, 2 sections of motor engine exhaust gas pipe and
3 sections of motor engine exhaust gas pipe, described tail gas secondary combustion system includes the second oxygen supply device (2), the second electronics regulating QI
Device, venturi dissolve device, the second microprocessing unit, the one-level oxygen sensor being arranged on 2 sections of the exhaust pipe of engine and installation
In 3 sections of two grades of oxygen sensors of the exhaust pipe of engine, the second oxygen supply device (2) is mechanically connected with the second electronics air register, sends out
2 sections with the exhaust pipe of engine of 1 section of motivation exhaustor is connected, the second electronics air register and 2 sections of motor engine exhaust gas pipe
Outfan is dissolved device for mechanical with venturi simultaneously and is connected, and venturi dissolves outfan and the motor-vehicle tail-gas three-element catalytic of device
The input of system is mechanically connected, and the outfan of tail gas TWC Three Way Catalyst System connects 3 sections of motor engine exhaust gas pipe；
Motor car engine ecu, one-level oxygen sensor and two grades of oxygen sensors are connected with the second microprocessing unit by holding wire,
Second microprocessing unit, according to one-level oxygen sensor, two grades of oxygen sensor signals, motor vehicles ecu command signals, controls phase therewith
The action of the second electronics air register even.
2. a kind of motor vehicle tail-gas purifying system according to claim 1 it is characterised in that: the second described oxygen supply device
(2) the second axial flow blower, the second miniature air filter and the second oxygen-enriching device for filtering oxygen, the second oxygen-enriched dress are included
The air put is flowed into end and is flexible coupling by vacuum tubes with the second miniature air filter, the oxygen-enriched outflow end of the second oxygen-enriching device
It is connected with the second electronics air register input, outside attaching second axial flow blower of the second oxygen-enriching device, the second axial flow blower
Power supply connect motor vehicles ignition switch.
3. a kind of motor vehicle tail-gas purifying system according to claim 2 it is characterised in that: the second described axial flow blower
It is the turbine type direct current 12v blower fan of 80 ~ 100cfm using air output.
4. a kind of motor vehicle tail-gas purifying system according to claim 1 it is characterised in that: the first described oxygen supply device
(1) the first axial flow blower, the first miniature air filter and the first oxygen-enriching device are included, the air of the first oxygen-enriching device flows into end
It is flexible coupling by vacuum tubes with the first miniature air filter, the oxygen-enriched outflow end of the first oxygen-enriching device passes through the first electronics and adjusts
Device of air is flexible coupling with the arbitrary vacuum tube after vehicle throttle；Outside attaching first axial flow blower of the first oxygen-enriching device,
The power supply of the first axial flow blower connects motor vehicles ignition switch.
5. a kind of motor vehicle tail-gas purifying system according to claim 4 it is characterised in that: the first described axial flow blower
Using power supply 5 ~ 12v, air output is in the DC fan of 45 ~ 70cfm.
6. a kind of oxygen supply control method of motor vehicle tail-gas purifying system as described in any one of claim 1 ~ 5 it is characterised in that:
Including the oxygen-enriched combusting air intake control method being embedded in the first microprocessing unit and the tail being embedded in the second microprocessing unit
Gas second-time burning air intake control method；
Described oxygen-enriched combusting air intake control method, comprises the steps:
Step 1001, receives control signal；
In oxygen-enriched combustion system first microprocessing unit receive from motor vehicles ecu signal, signal include engine speed,
Intake air temperature, air- distributor pressure, coolant water temperature, speed of crankshaft, ambient temperature, throttle opening, fuel injection pulsewidth, pinking and oxygen
Sensor signal；
Step 1002, analysis and Control signal；
First microprocessing unit receives after motor-driven in-car ecu signal, in conjunction with the tail gas row of the second microprocessing unit
Put back feedback signal, judge the current transport condition of motor vehicles；
Step 1003, judges whether motor vehicles are in starting state；
First microprocessing unit judges whether motor vehicles are in starting state, if being in starting state, execution step 1004, and no
Then execution step 1005；
Step 1004, controls the first electronics air register gas output to be 100%；
First microprocessing unit controls the first electronics air register to enter the confession oxygen condition of gas output 100%；
Step 1005, judges whether motor vehicles are in idling mode；
First microprocessing unit judges whether motor vehicles are in idling mode, if being in idling mode, execution step 1006, and no
Then execution step 1007；
Step 1006, controls the first electronics air register gas output to be 60% ~ 70%；
First microprocessing unit controls the first electronics air register to enter the confession oxygen condition of gas output 60% ~ 70%；
Step 1007, judges whether motor vehicles are in Smaller load state；
First microprocessing unit judges whether motor vehicles are in Smaller load state, if being in Smaller load state, execution step
1008, otherwise execution step 1009；
Step 1008, controls the first electronics air register gas output to be 20% ~ 30%；
First microprocessing unit controls the first electronics air register to enter the confession oxygen condition of gas output 20% ~ 30%；
Step 1009, judges whether motor vehicles are in middle load condition；
First microprocessing unit judges whether motor vehicles are in middle load condition, if being in middle load condition, execution step
1010, otherwise execution step 1011；
Step 1010, controls the first electronics air register gas output to be 35% ~ 50%；
First microprocessing unit controls the first electronics air register to enter the confession oxygen condition of gas output 35% ~ 50%；
Step 1011, judges whether motor vehicles are in full load state；
First microprocessing unit judges whether motor vehicles are in full load state, if being in full load state, execution step
1012, otherwise execution step 1013；
Step 1012, controls the first electronics air register gas output to be 75% ~ 85%；
First microprocessing unit controls the first electronics air register to enter the confession oxygen condition of gas output 75% ~ 85%；
Step 1013, judges whether motor vehicles are in acceleration mode；
First microprocessing unit judges whether motor vehicles are in acceleration mode, if being in acceleration mode, execution step 1014, and no
Then execution step 1015；
Step 1014, controls the first electronics air register gas output to be 95% ~ 100%；
First microprocessing unit controls the first electronics air register to enter the confession oxygen condition of gas output 95% ~ 100%；
Step 1015, the first electronics air register oxygen feeding stop；
Now motor vehicles are in dragging state, and the first microprocessing unit controls the first electronics air register to close, oxygen feeding stop；
Described tail gas second-time burning air intake control method, comprises the steps:
Step 2001, receives control signal；
The second microprocessing unit in oxygen-enriched combustion system receives signal and motor engine exhaust gas pipe from motor vehicles ecu
Two grades of oxygen sensor signals in one-level oxygen sensor signal in 2 sections and 3 sections of motor engine exhaust gas pipe, wherein motor vehicles
The signal of ecu includes engine speed, intake air temperature, air- distributor pressure, coolant water temperature, speed of crankshaft, ambient temperature, solar term
Door aperture, fuel injection pulsewidth, pinking and oxygen sensor signal；
Step 2002, analysis and Control signal；
Second microprocessing unit receives signal and one-level oxygen sensor signal, two grades of oxygen sensings from motor-driven in-car ecu
After device signal, judge the current transport condition of motor vehicles；
Step 2003, judges whether motor vehicles are in starting state；
Second microprocessing unit judges whether motor vehicles are in starting state, if being in starting state, execution step 2004, and no
Then execution step 2005；
Step 2004, controls the second electronics air register oxygen feeding stop；
Second microprocessing unit controls the second electronics air register to close, oxygen feeding stop；
Step 2005, judges whether motor vehicles are in idling mode；
Second microprocessing unit judges whether motor vehicles are in idling mode, if being in idling mode, execution step 2006, and no
Then execution step 2007；
Step 2006, controls the second electronics air register gas output to be 30% ~ 50%；
Second microprocessing unit controls the second electronics air register to enter the confession oxygen condition of gas output 30% ~ 50%；
Step 2007, judges whether motor vehicles are in Smaller load state；
Second microprocessing unit judges whether motor vehicles are in Smaller load state, if being in Smaller load state, execution step
2008, otherwise execution step 2009；
Step 2008, controls the second electronics air register gas output to be 50% ~ 60%；
Second microprocessing unit controls the second electronics air register to enter the confession oxygen condition of gas output 50% ~ 60%；
Step 2009, judges whether motor vehicles are in middle load condition；
Second microprocessing unit judges whether motor vehicles are in middle load condition, if being in middle load condition, execution step
2010, otherwise execution step 2011；
Step 2010, controls the second electronics air register gas output to be 75% ~ 90%；
Second microprocessing unit controls the second electronics air register to enter the confession oxygen condition of gas output 75% ~ 90%；
Step 2011, judges whether motor vehicles are in full load state；
Second microprocessing unit judges whether motor vehicles are in full load state, if being in full load state, execution step
2012, otherwise execution step 2013；
Step 2012, controls the second electronics air register gas output to be 15% ~ 20%；
Second microprocessing unit controls the second electronics air register to enter the confession oxygen condition of gas output 15% ~ 20%；
Step 2013, judges whether motor vehicles are in acceleration mode；
Second microprocessing unit judges whether motor vehicles are in acceleration mode, if being in acceleration mode, execution step 2014, and no
Then execution step 2015；
Step 2014, controls the second electronics air register gas output to be 5% ~ 10%；
Second microprocessing unit controls the second electronics air register to enter the confession oxygen condition of gas output 5% ~ 10%；
Step 2015, controls the second electronics air register gas output to be 100%；
Now motor vehicles are in dragging state, and the second microprocessing unit controls the second electronics air register to enter gas output 100%
For oxygen condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310577296.9A CN103603711B (en) | 2013-11-19 | 2013-11-19 | Motor vehicle tail gas purifying system and oxygen supply adjusting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310577296.9A CN103603711B (en) | 2013-11-19 | 2013-11-19 | Motor vehicle tail gas purifying system and oxygen supply adjusting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103603711A CN103603711A (en) | 2014-02-26 |
| CN103603711B true CN103603711B (en) | 2017-01-25 |
Family
ID=50121962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310577296.9A Expired - Fee Related CN103603711B (en) | 2013-11-19 | 2013-11-19 | Motor vehicle tail gas purifying system and oxygen supply adjusting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103603711B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5649517A (en) * | 1993-02-18 | 1997-07-22 | The University Of Chicago | Variable oxygen/nitrogen enriched intake air system for internal combustion engine applications |
| US6067973A (en) * | 1998-09-11 | 2000-05-30 | Caterpillar, Inc. | Method and system for late cycle oxygen injection in an internal combustion engine |
| CN1283765A (en) * | 2000-09-18 | 2001-02-14 | 罗志星 | Waste gas burner |
| JP2007224863A (en) * | 2006-02-24 | 2007-09-06 | Toyota Motor Corp | Internal combustion engine |
| JP2010281260A (en) * | 2009-06-04 | 2010-12-16 | Honda Motor Co Ltd | General purpose engine |
| CN102943725A (en) * | 2012-11-30 | 2013-02-27 | 中国人民解放军后勤工程学院 | Device for plateau oxygen-enrichment axillary combustion of engine |
| CN203640869U (en) * | 2013-11-19 | 2014-06-11 | 山东申普交通科技有限公司 | Purifying system for automobile tail gas |
-
2013
- 2013-11-19 CN CN201310577296.9A patent/CN103603711B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5649517A (en) * | 1993-02-18 | 1997-07-22 | The University Of Chicago | Variable oxygen/nitrogen enriched intake air system for internal combustion engine applications |
| US6067973A (en) * | 1998-09-11 | 2000-05-30 | Caterpillar, Inc. | Method and system for late cycle oxygen injection in an internal combustion engine |
| CN1283765A (en) * | 2000-09-18 | 2001-02-14 | 罗志星 | Waste gas burner |
| JP2007224863A (en) * | 2006-02-24 | 2007-09-06 | Toyota Motor Corp | Internal combustion engine |
| JP2010281260A (en) * | 2009-06-04 | 2010-12-16 | Honda Motor Co Ltd | General purpose engine |
| CN102943725A (en) * | 2012-11-30 | 2013-02-27 | 中国人民解放军后勤工程学院 | Device for plateau oxygen-enrichment axillary combustion of engine |
| CN203640869U (en) * | 2013-11-19 | 2014-06-11 | 山东申普交通科技有限公司 | Purifying system for automobile tail gas |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103603711A (en) | 2014-02-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101699043B (en) | Exhaust device for four cycle engine | |
| CN105257372B (en) | A kind of polyoxy engine and its application method | |
| CN103628966B (en) | The air-injection system that a kind of reduction discharges pollutants | |
| CN106337714A (en) | Nozzle-integrated SCR catalytic muffler | |
| WO2015018215A1 (en) | Secondary air jetting apparatus for engine | |
| CN103603711B (en) | Motor vehicle tail gas purifying system and oxygen supply adjusting method | |
| CN104912653A (en) | Automotive engine boost and tail gas purification technology and combination | |
| WO2016074312A1 (en) | Automobile exhaust emission system and secondary air injection device thereof | |
| CN203640869U (en) | Purifying system for automobile tail gas | |
| CN104632325A (en) | Urea pot assembly, SCR post-processing system and vehicle | |
| CN203939560U (en) | A kind of exhaust aftertreatment purification plant of cold-starting automobile | |
| US10376871B2 (en) | Device for purifying exhaust gas | |
| WO2022252578A1 (en) | Method and system for implementing ultra-low emission of natural gas engine | |
| EP3051088B1 (en) | Additive supply device | |
| CN101245725B (en) | Internal combustion engine exhaust purification processing and muffler device | |
| JP4962770B2 (en) | Combustion catalyst auxiliary device with built-in high-speed heating catalyst using LPG and LNG with hydrogen and oxygen | |
| CN201581997U (en) | Energy-saving emission-reduction type gas inlet pipeline for engines | |
| CN2537823Y (en) | Comprhensive purifier for exhaust gas of diesel engine | |
| CN206338103U (en) | A kind of automobile exhaust system and automobile | |
| CN205387977U (en) | Motorcycle air intake system's check valve vent structure | |
| CN113279844B (en) | Efficient natural gas engine aftertreatment method and system | |
| CN203640881U (en) | Nitrogen-reducing and oxygen-enriching air inlet device for internal combustion engine | |
| CN201620975U (en) | Device for eliminating oxynitride in tail gas of motor vehicle | |
| CN211397742U (en) | Air inlet system of light diesel engine | |
| CN2787852Y (en) | Split type water-cooled cylinder head for single-cylinder overhead engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20151029 Address after: Bristol Park West Kerry Zhangdian District 255000 people of Shandong city of Zibo province No. 6 unit 3 Building No. 401 Applicant after: Zhao Jinbo Address before: 205 room 255086, block E, No. 135, Zibo hi tech Development Zone, Shandong, China Applicant before: Shandong Shenpu Traffic Technology Co., Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20161122 Address after: 255086 Zibo hi tech Industrial Development Zone, Shandong, political access No. 135, block E, 509 Applicant after: Shandong Shenpu Traffic Technology Co., Ltd. Address before: Bristol Park West Kerry Zhangdian District 255000 people of Shandong city of Zibo province No. 6 unit 3 Building No. 401 Applicant before: Zhao Jinbo |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170125 Termination date: 20171119 |