CN206753772U - The gas handling system of gas engine - Google Patents
The gas handling system of gas engine Download PDFInfo
- Publication number
- CN206753772U CN206753772U CN201720633209.0U CN201720633209U CN206753772U CN 206753772 U CN206753772 U CN 206753772U CN 201720633209 U CN201720633209 U CN 201720633209U CN 206753772 U CN206753772 U CN 206753772U
- Authority
- CN
- China
- Prior art keywords
- gas
- air
- control unit
- inlet pipe
- engine
- 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.)
- Active
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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
The utility model discloses a kind of gas handling system of gas engine, including：Electronic control unit；Air cleaner, it is used for the air for providing cleaning；Blender, its one end are taken over by cleaner and are connected with air cleaner, gas inlet pipe is provided with the side wall of blender, injection metering valve is connected in gas inlet pipe；The other end connection of booster, its one end and blender；The other end connection of charge air cooler, its one end and booster；Air inlet pipe, it is connected by the other end of electronic throttle and charge air cooler, and air inlet pipe is used for supplying for the cylinder of engine, and electronic throttle electrically connects with electronic control unit；And lambda sensor, it is electrically connected with electronic control unit, and lambda sensor is used for the oxygen concentration of the tail gas after monitoring burning in real time and calculates air-fuel ratio, and electronic control unit corrects the fuel gas supply amount of injection metering valve according to the feedback signal of lambda sensor in time.The gas handling system can realize the accurate control to combustion gas.
Description
Technical field
Gas engine field is the utility model is related to, more particularly to a kind of gas handling system of gas engine.
Background technology
At present, when the form of compressed natural gas and liquefied natural gas is applied on the engine, have and Structure of Internal-Combustion Engine is changed
Dynamic small, working index changes the advantage such as little, has become a kind of important alternative fuel and has been obtained extensively in field of internal combustion engine
Using.Existing engine air supply systems are generally air inlet pipe blender plenum system, and structure is simpler, easy to control, price
It is relatively low, it is easy to transform existing carburetor gasoline engine.But due to fuel feed can not be accurately controlled, and
And closed-loop control can not be carried out, it is difficult to accurately control the air-fuel ratio of engine, thus meet higher discharge standard, it is impossible to fill
Natural gas is waved in distribution improves the potentiality of engine emission performance.
The information for being disclosed in the background section is merely intended to increase the understanding to general background of the present utility model, and
It is not construed as recognizing or implies that the information structure has been existing well known to persons skilled in the art in any form
Technology.
Utility model content
The purpose of this utility model is to provide a kind of gas handling system of gas engine, it is possible to achieve to the accurate of combustion gas
Control.
To achieve the above object, the utility model provides a kind of gas handling system of gas engine, including：Electronic Control
Unit；Air cleaner, it is used for the air for providing cleaning；Blender, its one end is taken over by cleaner and air cleaner
Connect, gas inlet pipe is provided with the side wall of blender, injection metering valve, injection metering valve control are connected in gas inlet pipe
Combustion gas enters blender；The other end connection of booster, its one end and blender；Charge air cooler, its one end and booster it is another
End connection；Air inlet pipe, it is connected by the other end of electronic throttle and charge air cooler, and air inlet pipe is used for supplying for the cylinder of engine
Gas, electronic throttle are electrically connected with electronic control unit, and electronic control unit is controlled by controlling the aperture of electronic throttle
The output loading of gas engine；And lambda sensor, it is electrically connected with electronic control unit, and lambda sensor is used for monitoring in real time
The oxygen concentration of tail gas after burning simultaneously calculates air-fuel ratio, and electronic control unit is corrected in time according to the feedback signal of lambda sensor
Spray the fuel gas supply amount of metering valve.
Compared with prior art, the utility model has the advantages that：By setting fuel gas injection metering valve, mixing
Device, electronic throttle related components, blender can ensure that combustion gas and fresh air uniformly mix before being arranged on booster, shape
Into homogeneous mixture, the big of engine output loading is controlled by the air inflow of Electronic Throttle Control engine mixed gas
It is small, control combustion gas input quantity by spraying metering valve, it is possible to achieve the accurate control to combustion gas, engine is reached reasonable air-fuel
Than promoting burning, improving engine efficiency.
Brief description of the drawings
Fig. 1 is the principle schematic according to the gas handling system of gas engine of the present utility model.
Embodiment
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described in detail, it is to be understood that this practicality
New protection domain is not limited by embodiment.
Explicitly indicated that unless otherwise other, otherwise in entire disclosure and claims, term " comprising " or its change
Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other members
Part or other parts.
As shown in figure 1, according to a kind of gas handling system of gas engine of the utility model embodiment, including：
Electronic control unit 20, air cleaner 101, blender 102, booster 103, charge air cooler 104, air inlet pipe 106 and oxygen pass
Sensor, wherein air cleaner 101 are used for providing the air of cleaning, and one end of blender 102 is taken over by cleaner and air
Cleaner 101 is connected, and gas inlet pipe is provided with the side wall of blender 102, injection metering valve is connected in gas inlet pipe
109, injection metering valve 109 controls combustion gas to enter blender 102, and one end of booster 103 connects with the other end of blender 102
Connect, one end of charge air cooler 104 is connected with the other end of booster 103, and air inlet pipe 106 passes through electronic throttle 105 and charge air cooler
104 other end connection, air inlet pipe 106 are used for supplying for the cylinder 107 of engine, electronic throttle 105 and Electronic Control list
Member 20 electrically connects, and electronic control unit 20 controls gas engine (referred to as to start by controlling the aperture of electronic throttle 105
Machine) output loading, lambda sensor electrically connects with electronic control unit 20, and lambda sensor is used for the tail gas after monitoring burning in real time
Oxygen concentration and calculate air-fuel ratio, electronic control unit 20 corrects injection metering valve in time according to the feedback signal of lambda sensor
109 fuel gas supply amount.
In such scheme, the effect of electronic throttle 105 is the cylinder 107 for controlling engine mixed gas to enter engine
Air inflow and then the size for controlling engine output loading, injection metering valve 109 can control combustion gas input quantity by gas valve,
Engine is reached reasonable air-fuel ratio, promote burning, improve engine efficiency, before blender 102 is arranged on booster 103, its
Effect is to ensure that combustion gas and fresh air mix, and forms homogeneous mixture.In this programme, according to the operating mode of engine by electronics
Control unit (ECU) 20 carries out the control of air inflow, air of the combustion gas in blender 102 with coming in from air cleaner 101
Enter after being mixed after booster 103 is pressurized, charge air cooler 104 cools down into the electronic throttle 105 through ECU controls and start
In machine cylinder, burnt through spark ignitor, the time of ignition of spark plug is controlled by ECU, and the control of electronic throttle 105 enters cylinder
The amount of interior gaseous mixture, so as to control the rotating speed of engine and load, driver sends power demand to ECU by throttle,
After ECU receives accelerator pedal signal, the aperture of electronic throttle 105 is controlled according to engine operation condition, by controlling butterfly valve
Aperture, control idling speed and speed regulation characteristic.The oxygen concentration of tail gas after the burning of lambda sensor immediately monitoring, calculates sky
Ratio is fired, ECU corrects fuel gas supply amount in time according to the feedback signal of lambda sensor.
To sum up, the gas handling system of the gas engine of the present embodiment, by setting fuel gas injection metering valve, blender, electricity
Sub- air throttle related components, blender can ensure that combustion gas and fresh air uniformly mix before being arranged on booster, be formed equal
Even gaseous mixture, after original fuel injector is eliminated, make the oil injector hole on former cylinder cap into spark-plug hole and this reality can be achieved
With new purpose (in Fig. 1, ignition system 108 includes spark plug), and pass through Electronic Throttle Control engine mixed gas
Air inflow so that control engine output loading size, by spray metering valve control combustion gas input quantity, it is possible to achieve it is right
The accurate control of combustion gas, engine is reached reasonable air-fuel ratio, promote burning, improve engine efficiency.
The foregoing description to specific illustrative embodiment of the present utility model is to illustrate and the purpose of illustration.These
Description is not wishing to for the utility model to be defined to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can carry out
It is many to change and change.The purpose of selecting and describing the exemplary embodiment is that explain certain principles of the present utility model
And its practical application, so that those skilled in the art can realize and utilize a variety of examples of the present utility model
Property embodiment and various chooses and changes.The scope of the utility model is intended to by claims and its waits similar shape
Formula is limited.
Claims (1)
- A kind of 1. gas handling system of gas engine, it is characterised in that including：Electronic control unit；Air cleaner, it is used for the air for providing cleaning；Blender, its one end are taken over by cleaner and are connected with the air cleaner, be provided with the side wall of the blender Gas inlet pipe, injection metering valve is connected in the gas inlet pipe, and the injection metering valve control combustion gas enters the mixing Device；Booster, its one end are connected with the other end of the blender；Charge air cooler, its one end are connected with the other end of the booster；Air inlet pipe, it is connected by electronic throttle with the other end of the charge air cooler, and the air inlet pipe is used for as engine Cylinder supplies, and the electronic throttle electrically connects with the electronic control unit, and the electronic control unit passes through described in control The aperture of electronic throttle controls the output loading of gas engine；AndLambda sensor, it is electrically connected with the electronic control unit, and the lambda sensor is used for the tail gas after monitoring burning in real time Oxygen concentration and calculate air-fuel ratio, described in the electronic control unit is corrected in time according to the feedback signal of the lambda sensor Spray the fuel gas supply amount of metering valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720633209.0U CN206753772U (en) | 2017-06-02 | 2017-06-02 | The gas handling system of gas engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720633209.0U CN206753772U (en) | 2017-06-02 | 2017-06-02 | The gas handling system of gas engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206753772U true CN206753772U (en) | 2017-12-15 |
Family
ID=60621528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720633209.0U Active CN206753772U (en) | 2017-06-02 | 2017-06-02 | The gas handling system of gas engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206753772U (en) |
-
2017
- 2017-06-02 CN CN201720633209.0U patent/CN206753772U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5081969A (en) | Ignition combustion pre-chamber for internal combustion engines with constant stoichiometric air-fuel mixture at ignition | |
| US9556809B2 (en) | System and method for optimal fueling of an engine | |
| RU140272U1 (en) | ENGINE SYSTEM | |
| CN106499531A (en) | A kind of twin-jet nozzle gas/liquid double fuel in-cylinder direct-jet internal combustion engine and control method | |
| US9388761B2 (en) | Combined fueling strategy for gaseous fuel | |
| CN104454190B (en) | Intra-cylinder direct injection double gas fuel ignition type combustion and control device | |
| US10113512B2 (en) | Gas mixer for internal combustion engines | |
| JPS6293481A (en) | Method of supplying engine with fuel | |
| CN101825027B (en) | Method and apparatus for controlling fuel rail pressure using fuel pressure sensor error | |
| CN105673281B (en) | In a kind of gas/liquid double fuel cylinder/cylinder outer pair of injection apparatus and control method | |
| CN104373207A (en) | Lean-combustion gas dual-fuel ignition type internal combustion engine system and control method | |
| CN107035577B (en) | The air supply system of gas engine peculiar to vessel | |
| US6305363B1 (en) | Air-assisted fuel injector with ozone enrichment | |
| CN204677293U (en) | A kind of direct-injection LNG-diesel dual-fuel system | |
| CN204827653U (en) | Directly spout two gaseous fuel internal -combustion engines in super thin combustion cylinder | |
| CN104948296A (en) | In-cylinder direct injection double-gas-fuel internal combustion engine capable of realizing ultra-lean combustion and control method | |
| CN206753772U (en) | The gas handling system of gas engine | |
| CN101865020B (en) | Ignition type internal-combustion engine system for on-line hydrogen production and local hydrogen enrichment and control method | |
| CN202348449U (en) | Control system for diesel engine co-combustion gas fuel | |
| CN210033646U (en) | Double-throttle engine control system applied to generator set | |
| Idris et al. | Effect of port injection CNG engine using injector nozzle multi holes on air-fuel mixing in combustion chamber | |
| CN204299688U (en) | A kind of lean-burn gas double fuel ignition type internal-combustion engine system | |
| CN207701229U (en) | Double direct-injection systems in a kind of cylinder for inhibiting pinking | |
| Patel et al. | Performance characteristics comparison of CNG port and CNG direct injection in spark ignition engine | |
| Soliman et al. | Thermal barrier for homogeneous charge compression ignition application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230113 Address after: No.88 Tianqiao West Road, Yulin City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Yuchai Ship Electric Power Co.,Ltd. Address before: 537005 No. 88 flyover West Road, the Guangxi Zhuang Autonomous Region, Yulin Patentee before: Guangxi Yuchai Machinery Co.,Ltd. |
|
| TR01 | Transfer of patent right |