CN207033614U - A kind of engine and automobile that can control nitrogen oxygen content in air inlet - Google Patents
A kind of engine and automobile that can control nitrogen oxygen content in air inlet Download PDFInfo
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- CN207033614U CN207033614U CN201720776311.6U CN201720776311U CN207033614U CN 207033614 U CN207033614 U CN 207033614U CN 201720776311 U CN201720776311 U CN 201720776311U CN 207033614 U CN207033614 U CN 207033614U
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Abstract
The utility model provides a kind of engine that can control nitrogen oxygen content in air inlet, including cylinder, inlet manifold, blast pipe, nitrogen oxygen segregation apparatus and turbocharger；Inlet manifold and blast pipe are installed on cylinder；Nitrogen oxygen segregation apparatus is in the air inlet pipe, including polymeric membrane group, bypass pipe, feed pump, lets out nitrogen pipe, let out nitrogen valve, nitrogen flow control valve, air inlet pipe, let out oxygen pipe, let out oxygen valve and gas mixer chamber.Polymeric membrane group is respectively turned on by bypass pipe and air inlet pipe with gas mixer chamber；Feed pump is installed on bypass pipe, lets out nitrogen pipe and nitrogen flow control valve, and has nitrogen flow sensor in nitrogen flow control valve, nitrogen Guan Shangyou is let out and lets out nitrogen valve；Oxygen pipe is let out in installation in air inlet pipe, and is let out oxygen Guan Shangyou and let out oxygen valve；Turbocharger is connected across air inlet pipe and let out on oxygen pipe.The utility model is by using the nitrogen and oxygen in polymerization UF membrane air inlet, the mode of nitrogen oxygen content in cylinder is controlled to control the combustion process of engine by nitrogen oxygen segregation apparatus, reach make mixture combustion in cylinder more fully, reduce pollutant and produce, reduce engine temperature, omit the targets such as EGR EGRs in conventional engines.
Description
Technical field
Technical field of automobile engine is the utility model is related to, more particularly to a kind of can control nitrogen oxygen content in air inlet
Engine and automobile.
Background technology
Either petrol engine or diesel engine can all produce pollutant；Wherein, petrol engine mainly produces
The pollutants such as CO, NOx and HC (unburned complete hydrocarbon), and diesel engine chance produce substantial amounts of particle matter and
The pollutants such as NOx.Even the currently progressively methanol fuel automobile of expanded application, compressed natural gas automobile, even respectively
The hydrogen powered vehicle that Automobile Enterprises and research institute are just being studied, it can all produce pollution.
Fuel and air can be just set to produce oxidation reaction it is well known that engine needs absorption air to enter cylinder, with this
Power resources are provided for engine.However, air is mixed by multiple gases, the oxygen in air participates in the same of chemical reaction
When, also have other gases chemically reacted inside the cylinder of HTHP produce pollutant, even a part of fuel combustion
When also form pollutant because producing intermediate product.Therefore, under the conditions of suitable admission pressure and intake air temperature, control enters
The oxygen of cylinder and the content of nitrogen, can effectively reduce exhaust contaminant.
At present, improving the operating mode of engine and reducing tail gas pollution is realized by EGR (waste gas recycling) devices, should
EGR device main function is that portion caused by engine is introduced back into cylinder, carries out second-time burning oxidation, while waste gas
Live gas can be preheated, gaseous mixture is reached suitable ignition temperature, but the EGR device has higher be produced into
This, and can only recovery section waste gas.
In view of China will carry out the standard of state six in the year two thousand twenty, it is desirable to which Light-duty Vehicle fuel consumption per hundred kilometers standard is reduced to 5L, and vapour
Tail gas discharge standard needs improvement engine performance badly close to the standard of Europe five, therefore for Automobile Enterprises, not only to carry
While the indexs such as high vehicle dynamic quality, economy, also to meet increasingly stricter discharge standard.
Utility model content
The purpose of this utility model is to overcome shortcoming and deficiency of the prior art, there is provided one kind can be controlled in air inlet
The engine and automobile of nitrogen oxygen content so that fuel combustion is more complete, can reduce the generation for starting organic pollutants, substitutes tradition
EGR device.
In order to solve the above-mentioned technical problem, the utility model embodiment provides a kind of hair for controlling nitrogen oxygen content in air inlet
Motivation, it is engaged with automobile mounted computer ECU, including cylinder, inlet manifold, blast pipe, nitrogen oxygen segregation apparatus and turbine increase
Depressor；Wherein,
The inlet manifold and the blast pipe are installed on the cylinder；
The nitrogen oxygen segregation apparatus is arranged in the inlet manifold, and it includes being used for the polymeric membrane of nitrogen and oxygen separation
Group, bypass pipe, feed pump, nitrogen pipe is let out, nitrogen valve, nitrogen flow control valve is let out, air inlet pipe, lets out oxygen pipe, lets out oxygen valve and gas mixing
Room；Wherein,
The middle part of the polymeric membrane group connects the bypass pipe and is conducted to form nitrogen with the gas mixer chamber
Air inlet branch road, bottom connect the air inlet pipe and are conducted to form oxygen air inlet branch road with the gas mixer chamber；
The feed pump is installed on the bypass pipe, described lets out nitrogen pipe and the nitrogen flow control valve；Wherein, it is described
Feed pump is located at close to the side of the polymeric membrane group；The nitrogen flow control valve is located at close to the gas mixer chamber one
Side, the nitrogen flow sensor being connected with the ECU is additionally provided with thereon；The nitrogen pipe of letting out is located at the feed pump and the nitrogen
Between flow control valve, be additionally provided with thereon be connected with the ECU let out nitrogen valve；
Oxygen pipe is let out described in being provided with the air inlet pipe, and the oxygen pipe of letting out is located at close to the polymeric membrane group side, its
Oxygen valve is let out provided with what is be connected with the ECU；
The turbocharger is connected across in the air inlet pipe and the air inlet pipe of the nitrogen oxygen segregation apparatus, and both ends impeller
It is located at respectively in the air inlet pipe and the air inlet pipe.
Wherein, the polymeric membrane group is made up of porous polymer, and its top is provided with the air-filtering for being used for air filtering
Device.
Wherein, the engine of nitrogen oxygen content also includes the solar term being installed in the inlet manifold in the control air inlet
Door, the air throttle is between the cylinder and the nitrogen oxygen segregation apparatus.
Wherein, the engine of nitrogen oxygen content also includes the condensation being installed in the inlet manifold in the control air inlet
Device, the condenser is between the air throttle and the gas mixer chamber of the nitrogen oxygen segregation apparatus.
The utility model embodiment additionally provides a kind of automobile, and it includes starting for nitrogen oxygen content in foregoing control air inlet
Machine.
Compared with prior art, the utility model has the following advantages that and beneficial effect：
The utility model uses point that air is carried out to nitrogen and oxygen by the nitrogen oxygen segregation apparatus that porous polymer is formed
Mixed from and according to ECU instructions so that the air re-mixed is formed with fuel oil can when gaseous mixture burns in the cylinder
Reaching comparatively ideal burning velocity, fuel combustion is more complete, so as to reduce pollutant caused by engine and temperature, control
Combustion process, while EGR systems used in conventional engines are eliminated, reduce production cost.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the part plan knot of the engine of nitrogen oxygen content in the control air inlet provided in the utility model embodiment one
Structure schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
The direction and position term that the utility model is previously mentioned, for example, " on ", " under ", "front", "rear", "left", "right", "
It is interior ", " outer ", " top ", " bottom ", " side " etc., be only refer to the attached drawing direction or position.Therefore, the direction and position used
It is to illustrate and understand the utility model to put term, rather than the limitation to scope of protection of the utility model.
As shown in figure 1, in the utility model embodiment one, nitrogen oxygen content starts in a kind of control air inlet of proposition
Machine, it is engaged with automobile mounted computer ECU (not shown), including cylinder 1, inlet manifold 2, blast pipe 3, nitrogen oxygen segregation apparatus
4 and turbocharger 5；Wherein,
Inlet manifold 2 and blast pipe 3 are installed on cylinder 1；
Nitrogen oxygen segregation apparatus 4 is arranged in inlet manifold 2, it include being used for the polymeric membrane group 41 of nitrogen and oxygen separation,
Bypass pipe 42, feed pump 43, nitrogen pipe 44 is let out, nitrogen valve 45, nitrogen flow control valve 46 is let out, air inlet pipe 47, lets out oxygen pipe 48, lets out oxygen valve
49 and gas mixer chamber 410,；Wherein,
Polymeric membrane group 41 is made up of porous polymer, in-between position connecting bypass pipe 42 and with the phase of gas mixer chamber 410
Conducting forms nitrogen air inlet branch road, and bottom connection air inlet pipe 47 simultaneously is conducted to form oxygen air inlet branch road with gas mixer chamber 410,
It can be mixed again in gas mixer chamber 410 again after so causing nitrogen and oxygen separation.It should be noted that gas
The mixed proportion of nitrogen and oxygen is determined by the ECU vehicle conditions concluded according to multiple sensors in mixing chamber 410, therefore is needed
The oxygen inlet of nitrogen inlet and oxygen air inlet branch road to nitrogen air inlet branch road is adjusted, specially respectively to bypass
Pipe 42 and air inlet pipe 47 are configured regulation.
First, feed pump 43 is installed on bypass pipe 42, lets out nitrogen pipe 44 and nitrogen flow control valve 46；Wherein, feed pump
43 are located at close to the side of polymeric membrane group 41；Nitrogen flow control valve 46 is located at close to the side of gas mixer chamber 410, is additionally provided with thereon
The nitrogen flow sensor being connected with ECU；Nitrogen pipe 44 is let out between feed pump 43 and nitrogen flow control valve 46, is also set thereon
There is what is be connected with ECU to let out nitrogen valve 45, thus nitrogen valve 46 and nitrogen flow control valve can be let out on nitrogen pipe 45 to letting out by ECU
47 adjust nitrogen inlet；
Secondly, it is provided with air inlet pipe 47 and lets out oxygen pipe 48, and let out oxygen pipe 48 and be located at close to the side of polymeric membrane group 41, is set thereon
There is what is be connected with ECU to let out oxygen valve 49, so oxygen valve 49 can be let out to adjust oxygen inlet on oxygen pipe 48 to letting out by ECU；
Turbocharger 5 is connected across the air inlet pipe 47 of nitrogen oxygen segregation apparatus 4 and let out on oxygen pipe 48, and both ends impeller is located at air inlet respectively
Pipe 47 and let out in oxygen pipe 48.
It should be noted that ECU be by intake air temperature sensor, air inlet pressure sensor, engine speed sensor,
Controlled in multiple signal determining the utility model embodiments one such as intake flow sensor, nitrogen flow sensor, lambda sensor
The engine operating condition of nitrogen oxygen content in air inlet, calculate the engine and meet that amount of fuel needed for working condition and required oxygen contain
Amount, so as to carry out air inlet adjustment to nitrogen oxygen segregation apparatus 4.
However, the engine, under different load running status, air inlet working method is also different so that feed pump 43 and whirlpool
It is also different to take turns the unlocking condition of booster 5, is specially：
When ECU judges that the engine is in medium and small load operating region, then feed pump 43 is opened and turbocharger 5 is closed
Close, now turbocharger 5 is not involved in engine charge work, and feed pump 43 works and forms pressure differential with outside air, enters
And the porous polymer upper and lower surface in polymeric membrane group 41 is caused to form pressure differential so that air is adsorbed under pressure
The high pressure upper surface of polymeric membrane, is spread by forming concentration gradient during polymeric membrane separating layer, is finally departed under polymerization film at low pressure
Surface, the nitrogen separated is fed pump 43 and enters gas mixer chamber 410 from bypass pipe 42, and oxygen is entered by air inlet pipe 47
Enter gas mixer chamber 410；
When ECU judges that the engine is in middle heavy-duty service state, then feed pump 43 and turbocharger 5 are opened simultaneously
Open, now turbocharger 5 intervenes engine charge work, feed pump 43 and turbocharger 5 work and with outside air shape
Into pressure differential, the porous polymer upper and lower surface in turn resulted in polymeric membrane group 41 forms pressure differential so that air is made in pressure
The high pressure upper surface of polymeric membrane is adsorbed under, is spread by forming concentration gradient during polymeric membrane separating layer, finally departed from
It polymerize film at low pressure lower surface, the nitrogen separated is fed pump 43 and enters gas mixer chamber 410 from bypass pipe 42, and oxygen leads to
Cross air inlet pipe 47 and enter gas mixer chamber 410.
In the utility model embodiment one, the oxygen proportion to participating in burning in cylinder 1, oxygen-enriched combusting, mark can be used
Quasi- burning and nitrogen enriched combustion are described.Normal air component is regarded as and is made up of 21% oxygen and 79% nitrogen, it is fixed
The nondimensional nitrogen oxygen control parameter Ψ of justice, is obtained by The Ideal-Gas Equation：
Wherein,For O in combustion air2Volume fraction；
Nitrogen oxygen control parameter Ψ meets 0≤Ψ≤4.76.AndWhen the air no oxygen that supplies, 0
It is nitrogen enriched combustion during≤Ψ ＜ 1；When supply for normal air, i.e., standard is burnt；When the air that supplies be purity oxygen, be oxygen-enriched combusting in 1 ＜ Ψ≤4.76.
Chemical reaction side when the combustion mixture that hydrocarbon fuels and the air of supply are formed burns in the cylinder
Formula is：
Wherein, Φ is equivalent proportion.
Therefore, can be big according to oxygen proportion in cylinder 1 for the operating condition of the above two load condition of cylinder 1
It is small to adjust the mixed proportion of nitrogen and oxygen in nitrogen oxygen segregation apparatus 4, that is, adjust letting out nitrogen valve 44 and let out oxygen on bypass pipe 42
Being turned on and off to realize of oxygen valve 49 is let out on pipe 48, is specially：
(I) nitrogen enriched combustion in cylinder 1：When nitrogen oxygen content is 0≤Ψ ＜ 1 in the air inflow required for ECU judges cylinder 1
When, i.e., the oxygen proportion of the air of 410 supply cylinder of gas mixer chamber 1 is less than oxygen proportion in normal air, then nitrogen is let out in ECU drivings
Valve 44, which is closed and driven, to be let out oxygen valve 49 and opens；
(II) Plays of cylinder 1 burn：When in the air inflow required for ECU judges cylinder 1 nitrogen oxygen content for Ψ=1 when,
I.e. the oxygen proportion of the air of 410 supply cylinder of gas mixer chamber 1 is equal to oxygen proportion in normal air, then nitrogen valve is let out in ECU drivings
44 and let out oxygen valve 49 and simultaneously close off；
(III) oxygen-enriched combusting in cylinder 1：When ECU judge cylinder 1 required for air inflow in nitrogen oxygen content be 1 ＜ Ψ≤
When 4.76, i.e., the oxygen proportion of the air of 410 supply cylinder of gas mixer chamber 1 is more than oxygen proportion in normal air, then ECU drives
Let out nitrogen valve 44 and open and drive and let out oxygen valve 49 and close.
In order to avoid in air large particulate matter enter cylinder 1 in, therefore the top of polymeric membrane group 42 be provided be used for every
From the air cleaner 6 of air bulky grain.
Cylinder 1 is entered by inlet manifold 2 for the ease of nitrogen oxygen mixed gas in control nitrogen oxygen segregation apparatus 4, therefore should
The engine of nitrogen oxygen content also includes the air throttle 7 being installed in inlet manifold 2 in control air inlet, and the air throttle 7 is located at cylinder 1
Between nitrogen oxygen segregation apparatus 4；
In order to reduce nitrogen oxygen mixed gas enter cylinder 1 temperature, therefore in the control air inlet nitrogen oxygen content engine
Also include the condenser 8 being installed in inlet manifold 2, condenser 8 is between air throttle 7 and gas mixer chamber 410；
Corresponding to the engine of nitrogen oxygen content in the control air inlet of the utility model embodiment one, the utility model embodiment
Two additionally provide a kind of automobile, have the engine of nitrogen oxygen content in the control air inlet described in the utility model embodiment one,
The composition of the engine of nitrogen oxygen content and annexation etc. no longer repeat one by one herein in the control air inlet.
Compared with prior art, the utility model has the following advantages that and beneficial effect：
The utility model uses point that air is carried out to nitrogen and oxygen by the nitrogen oxygen segregation apparatus that porous polymer is formed
Mixed from and according to ECU instructions so that the air re-mixed is formed with fuel oil can when gaseous mixture burns in the cylinder
Burning is more complete, so as to reduce pollutant caused by engine and temperature, while eliminates used in conventional engines
Egr system, reduce production cost.
Above-described embodiment is the preferable embodiment of the utility model, but embodiment of the present utility model is not by above-mentioned
The limitation of embodiment, it is other it is any without departing from Spirit Essence of the present utility model with made under principle change, modify, replace
Generation, combination, simplify, should be equivalent substitute mode, be included within the scope of protection of the utility model.
Claims (5)
1. a kind of engine that can control nitrogen oxygen content in air inlet, it is engaged with automobile mounted computer ECU, and its feature exists
In, including cylinder (1), inlet manifold (2), blast pipe (3), nitrogen oxygen segregation apparatus (4) and turbocharger (5)；Wherein,
The inlet manifold (2) and the blast pipe (3) are installed on the cylinder (1)；
The nitrogen oxygen segregation apparatus (4) is arranged in the inlet manifold (2), and it includes being used for the polymerization of nitrogen and oxygen separation
Film group (41), bypass pipe (42), feed pump (43), let out nitrogen pipe (44), let out nitrogen valve (45), nitrogen flow control valve (46), air inlet
Pipe (47), let out oxygen pipe (48), let out oxygen valve (49) and gas mixer chamber (410)；Wherein,
The middle part of the polymeric membrane group (41) connects the bypass pipe (42) and is conducted with the gas mixer chamber (410)
Nitrogen air inlet branch road is formed, bottom connects the air inlet pipe (47) and is conducted to form oxygen with the gas mixer chamber (410)
Air inlet branch road；
The feed pump (43) is installed on the bypass pipe (42), described lets out nitrogen pipe (44) and the nitrogen flow control valve
(46)；Wherein, the feed pump (43) is located at close to polymeric membrane group (41) side；Nitrogen flow control valve (46) position
In close to the gas mixer chamber (410) side, the nitrogen flow sensor being connected with the ECU is additionally provided with thereon；It is described to let out
Nitrogen pipe (44) is additionally provided with and the ECU phases thereon between the feed pump (43) and the nitrogen flow control valve (46)
What is connected lets out nitrogen valve (45)；
Oxygen pipe (48) is let out described in being provided with the air inlet pipe (47), and the oxygen pipe (48) of letting out is located at close to the polymeric membrane group
(41) side, which is provided be connected with the ECU let out oxygen valve (49)；
The turbocharger (5) be connected across the nitrogen oxygen segregation apparatus (4) air inlet pipe (47) and it is described let out on oxygen pipe (48),
And both ends impeller positioned at the air inlet pipe (47) and described is let out in oxygen pipe (48) respectively.
2. the engine of nitrogen oxygen content in air inlet is controlled as claimed in claim 1, it is characterised in that the polymeric membrane group (41)
It is made up of porous polymer, and its top is provided with the air cleaner (6) for being used for air filtering.
3. the engine of nitrogen oxygen content in air inlet is controlled as claimed in claim 2, it is characterised in that nitrogen in the control air inlet
The engine of oxygen content also includes the air throttle (7) being installed in the inlet manifold (2), and the air throttle (7) is positioned at described
Between cylinder (1) and the nitrogen oxygen segregation apparatus (4).
4. the engine of nitrogen oxygen content in air inlet is controlled as claimed in claim 3, it is characterised in that nitrogen in the control air inlet
The engine of oxygen content also includes the condenser (8) being installed in the inlet manifold (2), and the condenser (8) is positioned at described
Between air throttle (7) and the gas mixer chamber (410).
5. a kind of automobile, it is characterised in that it includes nitrogen oxygen content in control air inlet as any one of claim 1-4
Engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720776311.6U CN207033614U (en) | 2017-06-29 | 2017-06-29 | A kind of engine and automobile that can control nitrogen oxygen content in air inlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720776311.6U CN207033614U (en) | 2017-06-29 | 2017-06-29 | A kind of engine and automobile that can control nitrogen oxygen content in air inlet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207033614U true CN207033614U (en) | 2018-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720776311.6U Active CN207033614U (en) | 2017-06-29 | 2017-06-29 | A kind of engine and automobile that can control nitrogen oxygen content in air inlet |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143442A (en) * | 2017-06-29 | 2017-09-08 | 温州大学 | It is a kind of to control the engine and automobile of nitrogen oxygen content in air inlet |
| CN109342533A (en) * | 2018-09-28 | 2019-02-15 | 宁波安创电子科技有限公司 | A kind of nitrogen oxide sensor method for heating and controlling |
-
2017
- 2017-06-29 CN CN201720776311.6U patent/CN207033614U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143442A (en) * | 2017-06-29 | 2017-09-08 | 温州大学 | It is a kind of to control the engine and automobile of nitrogen oxygen content in air inlet |
| CN109342533A (en) * | 2018-09-28 | 2019-02-15 | 宁波安创电子科技有限公司 | A kind of nitrogen oxide sensor method for heating and controlling |
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