CN202381174U - Air inlet system of large-power gas engine - Google Patents
Air inlet system of large-power gas engine Download PDFInfo
- Publication number
- CN202381174U CN202381174U CN2011205452435U CN201120545243U CN202381174U CN 202381174 U CN202381174 U CN 202381174U CN 2011205452435 U CN2011205452435 U CN 2011205452435U CN 201120545243 U CN201120545243 U CN 201120545243U CN 202381174 U CN202381174 U CN 202381174U
- Authority
- CN
- China
- Prior art keywords
- gas
- engine
- control valve
- power
- ecu
- 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
Images
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
-
- 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 an air inlet system of a large-power gas engine. The air inlet system comprises a supercharger, an air inlet pipe, a fuel gas inlet pipe, an air-fuel ratio control system or an exhaust temperature feedback control system and a rotating speed feedback control system, wherein an exhaust pipe of the supercharger is connected with the air inlet end of an intercooler; the fuel gas inlet pipe is internally provided with a fuel gas control valve; a power mixed gas control valve is arranged on the air outlet end of the intercooler; the air-fuel ratio control system or the exhaust temperature feedback control system is used for controlling the throttle opening degree of the fuel gas control valve; and the rotating speed feedback control system is used for controlling the throttle opening degree of the power mixed gas control valve. As the throttle opening degree of the fuel gas control valve is controlled through the air-fuel ratio control system or the exhaust temperature feedback control system, the ratio of fuel gas to air in a mixed gas is regulated according to changes of the power of the engine and the gas source; as the throttle opening degree of the power mixed gas control valve is controlled through the rotating speed feedback control system, the air input volume of the engine is controlled according to the real-time working condition of the engine. By adoption of the air inlet system of the large-power gas engine, the engine efficiency can be improved and the emission of harmful gases can be reduced.
Description
Technical field
The utility model relates to a kind of gas engine, particularly a kind of gas handling system of gas engine.
Background technique
Energy-saving and emission-reduction are development trends of internal-combustion engine industry, develop the harmful and greenhouse gas emission that high-power gas engine can effectively be controlled motor.The most simple proportional formula mixers that adopt of the gas handling system of the high-power gas engine of charge inter cooling of China; Can not be unfavorable for the control of engine emission and the utilization of the energy according to power and the variation adjustment combustion gas of source of the gas and the air inlet ratio of air of motor though the proportion expression mixer is simple in structure.
Therefore need improve existing engine aspirating system.
The model utility content
In view of this; The purpose of the utility model provides a kind of high-power gas engine gas handling system, and it can solve existing high power gas motor can not adjust combustion gas and the air inlet ratio of air and the problem of charge flow rate according to the power of motor and the variation of source of the gas.
The high-power gas engine gas handling system of the utility model; Comprise pressurized machine; Be communicated with air intake duct and gas inlet pipe on the suction tude of pressurized machine; The outlet pipe of pressurized machine is connected with the intercooler inlet end, in the said gas inlet pipe gas control valve is arranged, and the outlet side of said intercooler is provided with power mixture control valve; Also comprise the auxiliary fuel supply-system or the delivery temperature feedback control system that are used to control the gas control valve throttle opening, and the speed feedback control system that is used for power controlling mixture control valve throttle opening.
Further; Said auxiliary fuel supply-system comprises: lambda sensor and ECU; The oxygen sensing is arranged on the engine exhaust pipe; Lambda sensor be used for the detection of engine combustion gas oxygen content, and with detection information input ECU, ECU is used to handle the information of lambda sensor input and sends control signal according to processing result to gas control valve;
Further; Said delivery temperature feedback control system comprises: temperature transducer and ECU; Temperature transducer is arranged on the engine exhaust pipe; Temperature transducer be used for detection of engine delivery temperature, and with detection information input ECU, ECU is used for temperature sensor information and sends control signal according to processing result to gas control valve;
Further; Said speed feedback control system comprises: speed probe and ECU; Speed probe is used for the detection of engine rotating speed, also detection information is imported ECU, and ECU is used to handle the information of speed probe input and sends control signal according to processing result to power mixture control valve.
The beneficial effect of the utility model: the high-power gas engine gas handling system of the utility model; Through the throttle opening of auxiliary fuel supply-system or delivery temperature feedback control system control gas control valve, realized adjusting combustion gas and AIR Proportional in the mixed gas according to the power of motor and the variation of source of the gas; And the throttle opening through speed feedback control system power controlling mixture control valve, realized real-time working condition control air input of engine by air according to motor; Adopt this gas handling system can improve engine power and reduction noxious gas emission.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
Fig. 1 adopts the engine aspirating system structural representation of auxiliary fuel supply-system for the utility model;
Fig. 2 adopts the engine aspirating system structural representation of delivery temperature feedback control system for the utility model.
Embodiment
Fig. 1 adopts the engine aspirating system structural representation of auxiliary fuel supply-system for the utility model; Fig. 2 adopts the engine aspirating system structural representation of delivery temperature feedback control system for the utility model.
The high-power gas engine gas handling system of present embodiment; Comprise pressurized machine 5; Be communicated with air intake duct 1 and gas inlet pipe 3 on the suction tude of pressurized machine 5; The outlet pipe of pressurized machine 5 is connected with intercooler 6 inlet ends, in the said gas inlet pipe 3 gas control valve 4 is arranged, and power mixture control valve 8 is set on the outlet side of said intercooler 6; Also comprise the auxiliary fuel supply-system or the delivery temperature feedback control system that are used to control gas control valve closure 2 apertures, and the speed feedback control system that is used for power controlling mixture control valve closure 7 apertures.
The high-power gas engine gas handling system of the utility model; Through the throttle opening of auxiliary fuel supply-system or delivery temperature feedback control system control gas control valve, realized adjusting combustion gas and AIR Proportional in the mixed gas according to the power of motor and the variation of source of the gas; And the throttle opening through speed feedback control system power controlling mixture control valve, realized real-time working condition control air input of engine by air according to motor; Adopt this gas handling system can improve engine power and reduction noxious gas emission.
In the present embodiment; Said auxiliary fuel supply-system comprises: lambda sensor 9 and ECU10; Oxygen sensing 9 is arranged on the engine exhaust pipe; Lambda sensor 10 be used for the detection of engine combustion gas oxygen content, and with detection information input ECU, ECU is used to handle the information of lambda sensor input and sends control signal according to processing result to gas control valve 4; Through the throttle opening of this control system control gas control valve 4, can realize adjusting combustion gas and AIR Proportional in the mixed gas according to the power of motor and the variation of source of the gas.
Certainly in different mode of executions, also can adopt the throttle opening of delivery temperature feedback control system control gas control valve 4.The delivery temperature feedback control system comprises: temperature transducer 11 and ECU10; Temperature transducer 10 is arranged on the engine exhaust pipe; Temperature transducer 10 be used for detection of engine delivery temperature, and with detection information input ECU, ECU is used for temperature sensor information and sends control signal according to processing result to gas control valve 4.Through the throttle opening of this control system control gas control valve 4, can realize equally adjusting combustion gas and AIR Proportional in the mixed gas according to the power of motor and the variation of source of the gas.
In the present embodiment; Said auxiliary fuel supply-system comprises that said speed feedback control system comprises: speed probe 12 and ECU10; Speed probe 12 is used for the detection of engine rotating speed, also detection information is imported ECU, and ECU is used to handle the information of speed probe input and sends control signal according to processing result to power mixture control valve 8.Through the throttle opening of this control system power controlling mixture control valve 8, can realize real-time working condition control air input of engine by air according to motor.
Explanation is at last; Above embodiment is only unrestricted in order to the technological scheme of explanation the utility model; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technological scheme of the utility model; And not breaking away from the aim and the scope of the utility model technological scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (2)
1. high-power gas engine gas handling system; Comprise pressurized machine; Be communicated with air intake duct and gas inlet pipe on the suction tude of pressurized machine; The outlet pipe of pressurized machine is connected with the intercooler inlet end, it is characterized in that: in the said gas inlet pipe gas control valve is arranged, the outlet side of said intercooler is provided with power mixture control valve; Also comprise the auxiliary fuel supply-system or the delivery temperature feedback control system that are used to control the gas control valve throttle opening, and the speed feedback control system that is used for power controlling mixture control valve throttle opening.
2. high-power gas engine gas handling system according to claim 1; It is characterized in that: said auxiliary fuel supply-system comprises: lambda sensor and ECU; The oxygen sensing is arranged on the engine exhaust pipe; Lambda sensor be used for the detection of engine combustion gas oxygen content, and with detection information input ECU, ECU is used to handle the information of lambda sensor input and sends control signal according to processing result to gas control valve.
3.High-power gas engine gas handling system according to claim 1; It is characterized in that: said delivery temperature feedback control system comprises: temperature transducer and ECU; Temperature transducer is arranged on the engine exhaust pipe; Temperature transducer be used for detection of engine delivery temperature, and with detection information input ECU, ECU is used for temperature sensor information and sends control signal according to processing result to gas control valve.
4.High-power gas engine gas handling system according to claim 1; It is characterized in that: said speed feedback control system comprises: speed probe and ECU; Speed probe is used for the detection of engine rotating speed, also detection information is imported ECU, and ECU is used to handle the information of speed probe input and sends control signal according to processing result to power mixture control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205452435U CN202381174U (en) | 2011-12-23 | 2011-12-23 | Air inlet system of large-power gas engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205452435U CN202381174U (en) | 2011-12-23 | 2011-12-23 | Air inlet system of large-power gas engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202381174U true CN202381174U (en) | 2012-08-15 |
Family
ID=46629687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205452435U Expired - Fee Related CN202381174U (en) | 2011-12-23 | 2011-12-23 | Air inlet system of large-power gas engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202381174U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110337537A (en) * | 2018-06-29 | 2019-10-15 | 潍柴动力股份有限公司 | The gas control system and its combustion gas control method of non-rice habitats gas engine |
| CN113294266A (en) * | 2020-02-21 | 2021-08-24 | 中国石油天然气股份有限公司 | Air-fuel ratio regulating and controlling device and method for compressor |
-
2011
- 2011-12-23 CN CN2011205452435U patent/CN202381174U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110337537A (en) * | 2018-06-29 | 2019-10-15 | 潍柴动力股份有限公司 | The gas control system and its combustion gas control method of non-rice habitats gas engine |
| CN110337537B (en) * | 2018-06-29 | 2021-05-18 | 潍柴动力股份有限公司 | Gas control system of non-road gas engine and gas control method thereof |
| US11203991B2 (en) | 2018-06-29 | 2021-12-21 | Weichai Power Co., Ltd. | Gas control system and gas control method of off-road gas engine |
| CN113294266A (en) * | 2020-02-21 | 2021-08-24 | 中国石油天然气股份有限公司 | Air-fuel ratio regulating and controlling device and method for compressor |
| CN113294266B (en) * | 2020-02-21 | 2022-07-05 | 中国石油天然气股份有限公司 | Air-fuel ratio regulating and controlling device and method for compressor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102493884A (en) | Gas inlet control method for large-power gas engine | |
| CN106460641B (en) | Control device for engine | |
| CN103306858A (en) | EGR (exhaust gas recirculation) air mixing device and fuel engine with EGR system | |
| CN201747481U (en) | EGR system control device | |
| CN203499859U (en) | Supercharged diesel engine Venturi tube exhaust gas recirculation apparatus | |
| CN104937254A (en) | Systems and methods for dedicated exhaust gas recirculation and control | |
| CN102588132A (en) | Air-fuel ratio control system of gas engine | |
| CN202381174U (en) | Air inlet system of large-power gas engine | |
| CN202441501U (en) | Air-fuel ratio control system for gas engine | |
| CN202273776U (en) | Exhaust gas recirculation (EGR) structure of diesel engine | |
| CN202125375U (en) | Engine for gas generating unit capable of realizing lean burning | |
| CN104879199B (en) | A kind of self-con-tained unit for realizing motor-vehicle tail-gas Multi-class propagation | |
| CN204921196U (en) | Diesel engine EGR system | |
| CN201851209U (en) | Device for preventing surge of turbocharger for marine diesels | |
| CN104061062B (en) | Intake and exhaust with double venturi regulate system | |
| CN201141323Y (en) | Partition lean combustion electric-controlled oil economizer of carburetor type petrol engine | |
| CN202273787U (en) | Diesel engine induction manifold enabling exhaust gas to be evenly distributed | |
| CN203441605U (en) | Oxygen enrichment air inlet type plateau engine | |
| CN202100326U (en) | Pneumatic internal combustion hybrid engine | |
| CN204691948U (en) | Oxygen-enriched air inlet and distribution device of gasoline engine | |
| CN215333185U (en) | Gas inlet pipe of gas engine | |
| CN205025618U (en) | Bring EGR control system of gas choke valve into | |
| CN201763466U (en) | EGR apparatus for universal small-sized petrol engine | |
| CN208778090U (en) | Improve the gas engine of exhaust utilization rate | |
| CN202273736U (en) | Purifying device for tail gas of motorcycle engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20141223 |
|
| EXPY | Termination of patent right or utility model |