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 PDF

Info

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
Authority
CN
China
Prior art keywords
oxygen
engine
air
pressure
valve
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
Application number
CN201620765684.9U
Other languages
Chinese (zh)
Inventor
李东民
高昭
李玉善
刘阳
朱鲁栋
沈振伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong University of Science and Technology
Original Assignee
Shandong University of Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shandong University of Science and Technology filed Critical Shandong University of Science and Technology
Priority to CN201620765684.9U priority Critical patent/CN206360807U/en
Application granted granted Critical
Publication of CN206360807U publication Critical patent/CN206360807U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Landscapes

  • 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

A kind of controllable intake oxygen enrichment system of vehicular engine
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.
CN201620765684.9U 2016-07-21 2016-07-21 A kind of controllable intake oxygen enrichment system of vehicular engine Expired - Fee Related CN206360807U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620765684.9U CN206360807U (en) 2016-07-21 2016-07-21 A kind of controllable intake oxygen enrichment system of vehicular engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620765684.9U CN206360807U (en) 2016-07-21 2016-07-21 A kind of controllable intake oxygen enrichment system of vehicular engine

Publications (1)

Publication Number Publication Date
CN206360807U true CN206360807U (en) 2017-07-28

Family

ID=59368460

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620765684.9U Expired - Fee Related CN206360807U (en) 2016-07-21 2016-07-21 A kind of controllable intake oxygen enrichment system of vehicular engine

Country Status (1)

Country Link
CN (1) CN206360807U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
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

Cited By (7)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN206360807U (en) A kind of controllable intake oxygen enrichment system of vehicular engine
CN100591910C (en) Method for operating an exhaust-gas recirculation device
CN105257372B (en) A kind of polyoxy engine and its application method
US20150267650A1 (en) Venturi egr pump
CN205013163U (en) Height rolls rascally says and engine
CN101503983A (en) Pure oxygen air-intake oxygen-enriched combustion control method and control system for internal combustion engine
CN103291472A (en) Compression ignition engine homogeneous combustion control method with temperature in cylinder controlled quantitatively
CN103114916A (en) EGR (exhaust gas recirculation) control system
CN106762294A (en) A kind of method of flexible control engine combustion mode
CN109891069A (en) Improve the pressurization of engine braking and mapping
CN107461284B (en) A kind of EGR control system and automobile
CN103953470A (en) Gas inlet channel humidifying device for supercharged diesel engine
CN107060989A (en) Three stage of the three turbocharger sequential turbocharging device and its control method of function are realized with EGR
CN201326482Y (en) Air inlet and oxygen increasing device of engine
CN203756371U (en) Gas inlet channel humidifying device for supercharged diesel engine
CN203655418U (en) EGR (exhaust gas recirculation) system for marine medium-speed diesel engine
CN2846765Y (en) Air inlet path for diesel engine
CN205939127U (en) Energy -conserving kiln
CN105508035A (en) Supercharged diesel engine multi-mode switch supercharging structure and method
CN105782971B (en) The pre- burner of highly effective energy-conserving environmental-protecting type
CN210033645U (en) Double-throttle control system applied to automobile engine
CN202300634U (en) Fuel-saving device of automobile
CN207960801U (en) A kind of egr system with by-passing valve
CN106677934B (en) EGR and air intake coupling turbocharging system
CN205370807U (en) Air inlet system of diesel engine

Legal Events

Date Code Title Description
GR01 Patent grant
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