CN206360807U - A kind of controllable intake oxygen enrichment system of vehicular engine - Google Patents
A kind of controllable intake oxygen enrichment system of vehicular engine Download PDFInfo
- Publication number
- CN206360807U CN206360807U CN201620765684.9U CN201620765684U CN206360807U CN 206360807 U CN206360807 U CN 206360807U CN 201620765684 U CN201620765684 U CN 201620765684U CN 206360807 U CN206360807 U CN 206360807U
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- oxygen
- engine
- air
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- valve
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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
- Y02T10/12—Improving ICE efficiencies
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- Separation Of Gases By Adsorption (AREA)
Abstract
The utility model discloses a kind of controllable intake oxygen enrichment system of vehicular engine, including air inlet pipeline, pressure swing adsorption oxygen making device, ECU and various sensor and valve.Pressure swing adsorption oxygen making device is prepared after pure oxygen, is stored by oxygen tank, is then input to by the oxygen bypass line being connected with oxygen tank in engine intake manifold, and the air entered with natural inflow is realized after mixing and supplied.Each sensor acquisition system flow, pressure signal, ECU controls oxygen and air mixture ratio, realize the controllable intake oxygen enrichment of engine, and then realize oxygen-enriched combusting, make burning more abundant, NOx and Particulate Emission are substantially reduced, is conducive to the burning under low-grade fuel and cold conditions, engine emission performance is improved.
Description
Technical field
The utility model is related to engine aspirating system, especially a kind of controllable intake oxygen enrichment system of vehicular engine, category
In energy-saving and emission-reduction field.
Background technology
It is directly to be provided by air generally in the oxygen of engine air in-cylinder combustion, and oxygen only accounts for 1/5 in air,
So that the fuel in cylinder is not exclusively, efficiency of combustion is low.On the other hand, the overwhelming majority in engine charge is nitrogen, will be led
Cause the NOx pollutant emissions produced after burning higher.For solve problem above, using pressure-variable adsorption mechanism prepare oxygen and with sky
Gas mixing produces oxygen-enriched poor nitrogen air inlet, the oxygen proportion in gaseous mixture is controlled by ECU, in different oxygen concentration air-fuel ratios
Air inlet proportioning under lower optimization each operating mode of engine, so as to improve the dynamic property of engine, improves efficiency of combustion and economy simultaneously
Reduction discharge.
The content of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, designs a kind of controllable intake oxygen enrichment system of vehicular engine
System.
A kind of controllable intake oxygen enrichment system of vehicular engine, it includes pressure swing adsorption oxygen making device, air inlet pipeline, automatically controlled list
First and various sensor and valve.Wherein:Pressure swing adsorption oxygen making device includes air compressor machine, compressed-air filter, engine radiating
Device and adsorbing tower with molecular sieve.Air inlet pipeline is made up of inlet manifold and oxygen bypass line, in engine intake process difference
Air and oxygen are conveyed, and mixing is realized in inlet manifold, most mixed oxygen rich gas is input to combustion chamber at last.Oxygen
Bypass line is provided with oxygen pressure sensor, magnetic valve and pressure-reducing valve, and is sequentially connected oxygen tank, check valve and transformation suction
Attached oxygenerator.Outside air is sucked by the air compressor machine entrance point in pressure swing adsorption oxygen making device, and sequentially passes through compressed air
Filter, engine radiator, adsorbing tower with molecular sieve and oxygen tank, then enter inlet manifold by oxygen bypass line.
Air inlet pressure sensor, TPS are installed on inlet manifold's pipeline.Described air inlet pressure sensor, oxygen
Pressure sensor, TPS, pressure-reducing valve and magnetic valve carry out signal with ECU and are connected.
Air-filtering is installed on double air inlet mode of operations of engine oxygen-enriched/natural aspiration, inlet manifold's pipeline to meet
Device is simultaneously communicated with outside air all the time, when oxygen bypass line is actively closed or broken down, and engine still can be by certainly
The mode of right air-breathing works on, and thus can realize the switching of double air inlet patterns of engine oxygen-enriched/natural air.
To reduce gas handling system power consumption, using close-loop control mode.Install aerobic in oxygen tank on oxygen bypass line
Air pressure force snesor, for detecting the pressure in oxygen tank in real time.When oxygen pressure inside the tank reaches upper pressure limit, ECU
Air compressor machine in control pressure swing adsorption oxygen making device is stopped;When oxygen pressure inside the tank is less than the upper limit, air compressor machine is then again
Automatic start is run.
To realize the uniform gas distribution of adsorption tower, the adsorbing tower with molecular sieve of design pressure swing adsorption oxygen making device is horizontally-arranged formula, is used
Tapered shunting plate gas distribution, to prevent gas from near-wall air curtain occur, realizes uniform gas distribution.
Advantage of the present utility model and have the beneficial effect that:Oxygen is prepared using omnibus control system principle, dissipated by engine
The air inlet of hot device cooling oxygen bypass line is mixed the oxygen of preparation with air in engine intake manifold, by controlling
Unit controls the mixed proportion of the two, and mixed gas then is passed through into intake oxygen enrichment and burning that engine is realized in combustion chamber.Should
Utility model is conducive to improving engine combustion and flame propagation velocity, accelerates low temperature to catch fire and burn, and improves engine power
Performance;The utility model is conducive to the burning under low-grade fuel and cold conditions, reduces NOx and Particulate Emission, is effectively improved hair
Motivation discharge performance.Control by ECU to oxygen-rich concentration, realizes the excellent of engine power performance, economy and emission performance
Change matching.Utility model is simple in construction, it is easy to implement.
Brief description of the drawings
Accompanying drawing 1 is one embodiment structural representation of the present utility model
Accompanying drawing 2 is one embodiment schematic flow sheet of the present utility model
The explanation of accompanying drawing 1,2,1- air compressor machine 2- ECUs 3,16- oxygen pressure sensor 4- oxygen bypass lines
5- combustion chambers 6,11 air inlet pressure sensor 7- inlet manifold 8- magnetic valve 9- air throttle 10- throttle positions are passed
Sensor 12- pressure-reducing valve 13- air cleaner 14- check valve 15- oxygen tank 17- adsorbing tower with molecular sieve 17-1 is bored
Shape flow distribution plate 18- pressure swing adsorption oxygen making device 19- engine radiator 20- compressed-air filters
Embodiment
A specific embodiment of the present utility model is described in detail with reference to accompanying drawing 1,2, but not to right of the present utility model
It is required that being limited in any way.
As shown in Figure 1:A kind of controllable intake oxygen enrichment system of vehicular engine, it includes pressure swing adsorption oxygen making device 18, entered
Air pipe 4,7, ECU 2 and various sensor 3,6,10,11,16 and valve 8,12,14.Wherein:Pressure swing adsorption oxygen making device
18 include air compressor machine 1, compressed-air filter 20, engine radiator 19 and adsorbing tower with molecular sieve 17.Air inlet pipeline is by entering
Gas house steward 7 and oxygen bypass line 4 are constituted, and air and oxygen are conveyed respectively in engine intake process, and in inlet manifold 7
Mixing is realized, most mixed oxygen rich gas is input to combustion chamber 5 at last.It is characterized in that:Oxygen bypass line 4 is provided with oxygen
Air pressure force snesor 3, magnetic valve 8 and pressure-reducing valve 12, and it is sequentially connected oxygen tank 15, check valve 14 and omnibus control system dress
Put 18.Outside air is sucked by the entrance point of air compressor machine 1 in pressure swing adsorption oxygen making device 18, and sequentially passes through compressed air filtering
Device 20, engine radiator 19, adsorbing tower with molecular sieve 17 and oxygen tank 15, then enter air inlet by oxygen bypass line 4
House steward 7.Air inlet pressure sensor 6,9, TPS 10 are installed on the pipeline of inlet manifold 7.Described air inlet pressure
Force snesor 6,9, oxygen pressure sensor 3,14, TPS 10, pressure-reducing valve 12 and magnetic valve 8 and ECU
2 carry out signal connection.
As shown in Figure 2:In the controllable intake oxygen enrichment system of this vehicular engine, after outside air compresses through air compressor machine 1, enter
Compressed-air filter 20 removes the oil and moisture of compressed air;After being radiated again through engine radiator 19, inhaled into molecular sieve
In attached tower 17;Compressed air passes through the uniform gas distributions of tapered shunting plate 17-1, through mol sieve beds absorption nitrogen and discharges oxygen,
Then by the oxygen storage of enrichment in oxygen tank 15.In oxygen pressure sensor 3,16, detection oxygen bypass line system
Oxygen pressure signal, is input to ECU 2, and the oxygen pressure in oxygen bypass line is adjusted by pressure-reducing valve 12 and magnetic valve 8
Power and oxygen air inflow;Air inlet pressure sensor 6,11, TPS 10 detects inlet manifold's admission pressure respectively
And throttle position, ECU 2 sends control instruction according to the signal detected, controls the distributive value of atomizer.Work as air inlet
When pressure sensor 6 detects hypertonia, ECU 2 adjusts pressure-reducing valve 12 to reduce oxygen admission pressure;Work as hypotony
When, improve oxygen admission pressure by adjusting pressure-reducing valve 12;Finally oxygen, air and fuel oil are input in inlet manifold 7, it is real
The uniform mixing of existing three.
The controllable intake oxygen enrichment system of a kind of vehicular engine of the present utility model, is prepared into using pressure swing adsorption oxygen making device
To oxygen, engine chamber is inputted after the oxygen is mixed with the air in engine intake manifold.Into the oxygen of combustion chamber
Gas concentration realizes the engine oxygen-enriched combustion of controllable oxygen-rich concentration by ECU control, effectively improves the dynamic property of engine
Discharge and can be reduced.
Claims (4)
1. a kind of controllable intake oxygen enrichment system of vehicular engine, it includes pressure swing adsorption oxygen making device, air inlet pipeline, ECU
And various sensor and valve, wherein:Pressure swing adsorption oxygen making device includes air compressor machine, compressed-air filter and molecular sieve adsorption
Tower, air inlet pipeline is made up of inlet manifold and oxygen bypass line, and air and oxygen are conveyed respectively in engine intake process,
And mixing is realized in inlet manifold, most mixed oxygen rich gas is input to combustion chamber at last;Oxygen bypass line is provided with
Oxygen pressure sensor, magnetic valve and pressure-reducing valve, and it is sequentially connected oxygen tank, check valve and pressure swing adsorption oxygen making device;Outside
Boundary's air is sucked by the air compressor machine entrance point in pressure swing adsorption oxygen making device, and sequentially passes through compressed-air filter, engine
Radiator, adsorbing tower with molecular sieve and oxygen tank, then enter inlet manifold by oxygen bypass line;On inlet manifold's pipeline
Air inlet pressure sensor, TPS are installed;Described air inlet pressure sensor, oxygen pressure sensor, section
Valve position sensor, pressure-reducing valve and magnetic valve carry out signal with ECU and are connected.
2. the controllable intake oxygen enrichment system of a kind of vehicular engine according to claim 1, it is characterised in that:Described pneumatics
Machine is connected with compressed-air filter, and compressed-air filter is core structure, and its export pipeline is embedded into engine radiator
In.
3. the controllable intake oxygen enrichment system of a kind of vehicular engine according to claim 2, it is characterised in that:Described pneumatics
Machine, compressed-air filter, engine radiator, adsorbing tower with molecular sieve, pressure-reducing valve, oxygen tank, check valve, magnetic valve are gone here and there successively
Connection constitutes engine oxygen gas handling system.
4. the controllable intake oxygen enrichment system of a kind of vehicular engine according to claim 3, it is characterised in that:Pressure-variable adsorption system
The adsorbing tower with molecular sieve of oxygen device is horizontally-arranged formula, and adsorption tower uses tapered shunting plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620765684.9U CN206360807U (en) | 2016-07-21 | 2016-07-21 | A kind of controllable intake oxygen enrichment system of vehicular engine |
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CN201620765684.9U CN206360807U (en) | 2016-07-21 | 2016-07-21 | A kind of controllable intake oxygen enrichment system of vehicular engine |
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CN201620765684.9U Expired - Fee Related CN206360807U (en) | 2016-07-21 | 2016-07-21 | A kind of controllable intake oxygen enrichment system of vehicular engine |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107654321A (en) * | 2017-08-16 | 2018-02-02 | 广东龙焱环保科技有限公司 | A kind of automobile fuel-economizing device |
CN108518920A (en) * | 2018-05-04 | 2018-09-11 | 无锡市申隆气体设备有限公司 | A kind of low dew point PSA nitrogen gas generating systems |
CN109236506A (en) * | 2018-08-31 | 2019-01-18 | 广东氧能环保科技有限公司 | A kind of oxygen-enriched air supply method and device thereof |
WO2021189759A1 (en) * | 2020-03-23 | 2021-09-30 | 北京零能动力汽车科技有限公司 | Engine intake oxygen-enriched combustion device and vehicle having same |
CN114000941A (en) * | 2021-09-23 | 2022-02-01 | 重庆鼎工机电有限公司 | Diesel generator set used in plateau starting working method |
KR102582070B1 (en) * | 2023-03-21 | 2023-09-22 | 한국오토모빌얼라이언스 주식회사 | Engine operation state maintenance device and an emergency vehicle equipped with the same |
-
2016
- 2016-07-21 CN CN201620765684.9U patent/CN206360807U/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107654321A (en) * | 2017-08-16 | 2018-02-02 | 广东龙焱环保科技有限公司 | A kind of automobile fuel-economizing device |
CN108518920A (en) * | 2018-05-04 | 2018-09-11 | 无锡市申隆气体设备有限公司 | A kind of low dew point PSA nitrogen gas generating systems |
CN109236506A (en) * | 2018-08-31 | 2019-01-18 | 广东氧能环保科技有限公司 | A kind of oxygen-enriched air supply method and device thereof |
WO2021189759A1 (en) * | 2020-03-23 | 2021-09-30 | 北京零能动力汽车科技有限公司 | Engine intake oxygen-enriched combustion device and vehicle having same |
CN114000941A (en) * | 2021-09-23 | 2022-02-01 | 重庆鼎工机电有限公司 | Diesel generator set used in plateau starting working method |
CN114000941B (en) * | 2021-09-23 | 2022-09-23 | 重庆鼎工机电有限公司 | Diesel generator set used in plateau starting working method |
KR102582070B1 (en) * | 2023-03-21 | 2023-09-22 | 한국오토모빌얼라이언스 주식회사 | Engine operation state maintenance device and an emergency vehicle equipped with the same |
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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: 20170728 Termination date: 20180721 |