CN102493884A - Gas inlet control method for large-power gas engine - Google Patents
Gas inlet control method for large-power gas engine Download PDFInfo
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- CN102493884A CN102493884A CN2011104364906A CN201110436490A CN102493884A CN 102493884 A CN102493884 A CN 102493884A CN 2011104364906 A CN2011104364906 A CN 2011104364906A CN 201110436490 A CN201110436490 A CN 201110436490A CN 102493884 A CN102493884 A CN 102493884A
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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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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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
- Y02T10/40—Engine management systems
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- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
The invention discloses a gas inlet control method for a large-power gas engine. A supercharger, a gas inlet pipe and a fuel gas inlet pipe are involved; a gas discharge pipe of the supercharger is connected with the gas inlet end of an intercooler; a fuel gas control valve is arranged in the fuel gas inlet pipe, and the opening of a throttle valve of the fuel gas control valve is controlled by a gas-fuel ratio control strategy or a gas discharge temperature feedback control strategy; and the gas outlet end of the intercooler is provided with a power mixed gas control valve, and the opening of a throttle valve of the power mixed gas control valve is controlled by a rotation speed feedback control strategy. The opening of the throttle valve of the fuel gas control valve is controlled by the gas-fuel ratio control strategy or the gas discharge temperature feedback strategy, so the ratio of fuel gas to gas in the mixed gas can be adjusted according to power of the engine and the change of an air source; the opening of the throttle valve of the power mixed gas control valve is controlled by the rotation speed feedback control strategy, so the gas intake of the engine is controlled according to a real-time work condition of the engine; and by adopting the gas inlet control method, the power of the engine can be improved conveniently and emission of harmful gas can be reduced.
Description
Technical field
The present invention relates to gas engine air inlet control field, particularly a kind of high-power gas engine air intake control method.
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 high-power gas engine of the 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.
Existing engine charge control mode that need be new is to solve the problem of existing high power gas engine mixed gas concentration and the control of power mixed gas flow.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of high-power gas engine air intake control method, it can solve the problem of existing high power gas engine mixed gas concentration and the control of power mixed gas flow.
The high-power gas engine air intake control method of the present invention comprises pressurized machine, is communicated with air intake duct and gas inlet pipe on the suction tude of pressurized machine, and the outlet pipe of pressurized machine is connected with the intercooler inlet end; Gas control valve is set in gas inlet pipe, and adopts the throttle opening of Air or delivery temperature feedback control strategy control gas control valve, thus the gas flow of control and air mixing; Power mixture control valve is set on the outlet side of intercooler, and adopts the slightly throttle opening of power controlling mixture control valve of speed feedback control, thereby control gets into the mixed gas flow of motor.
Further; The control mode of said Air is: gather the oxygen content information in the motor combustion gas through lambda sensor; And lambda sensor is with the information input ECU that is gathered, and ECU handles the information of lambda sensor input and sends the throttle opening of control information with the adjustment gas control valve according to processing result to gas control valve;
Further; The control mode of said delivery temperature feedback control strategy is: gather engine exhaust temperature information through temperature transducer; Temperature transducer is with the information input ECU that is gathered, and ECU handles the information of temperature transducer input and sends the throttle opening of control information with the adjustment gas control valve according to processing result to gas control valve;
Further; Said speed feedback control control mode slightly is: the rotary speed information of gathering motor through speed probe; Speed probe is with the information input ECU that is gathered, and ECU handles the information of speed probe input and sends the throttle opening of control information with adjustment power mixture control valve according to processing result to power mixture control valve.
Beneficial effect of the present invention: the high-power gas engine air intake control method of the present invention; Through the throttle opening of Air or delivery temperature feedback control strategy 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 pass through the slightly throttle opening of power controlling mixture control valve of speed feedback control, realized real-time working condition control air input of engine by air according to motor; Adopt this air intake control method can improve engine power and reduction noxious gas emission.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Fig. 1 adopts the engine aspirating system structural representation of auxiliary fuel supply-system strategy for the present invention;
Fig. 2 adopts the engine aspirating system structural representation of delivery temperature feedback control strategy for the present invention.
Embodiment
Fig. 1 adopts the engine aspirating system structural representation of auxiliary fuel supply-system strategy for the present invention; Fig. 2 adopts the engine aspirating system structural representation of delivery temperature feedback control strategy for the present invention.
The high-power gas engine air intake control method 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, the outlet pipe of pressurized machine 5 is connected with intercooler 6 inlet ends, and gas control valve 4 is set in gas inlet pipe 3; And adopt Air or delivery temperature feedback control strategy to control the aperture of the closure 2 of gas control valve, thereby the gas flow of control and air mixing; Power mixture control valve 8 is set on the outlet side of intercooler 6, and adopts the slightly aperture of the closure 7 of power controlling mixture control valve of speed feedback control, thereby control gets into the mixed gas flow of motor.
The high-power gas engine air intake control method of the present invention; Through the throttle opening of Air or delivery temperature feedback control strategy 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 pass through the slightly throttle opening of power controlling mixture control valve of speed feedback control, realized real-time working condition control air input of engine by air according to motor; Adopt this air intake control method can effectively improve engine power and reduction noxious gas emission.
In the present embodiment; The control mode of said Air is: through the oxygen content information in the lambda sensor 9 collection motor combustion gas; And lambda sensor 8 is with the information input ECU10 that is gathered; ECU handles the information of lambda sensor input and sends the throttle opening of control information with the adjustment gas control valve according to processing result to gas control valve 4, thus the gas flow of control and air mixing.
Certainly in different mode of executions, also can adopt the aperture of the closure 2 of delivery temperature feedback control strategy control control gas control valve.The control mode of said delivery temperature feedback control strategy is: the control mode of said delivery temperature feedback control strategy is: gather engine exhaust temperature information through temperature transducer 11; Temperature transducer is with the information input ECU10 that is gathered; ECU handles the information of temperature transducer input and sends the throttle opening of control information with the adjustment gas control valve according to processing result to gas control valve, thus the gas flow of control and air mixing.
In the present embodiment; Said speed feedback control control mode slightly is: the rotary speed information of gathering motor through speed probe 12; Speed probe is with the information input ECU10 that is gathered; ECU handles the information of speed probe input and sends the throttle opening of control information with adjustment power mixture control valve according to processing result to power mixture control valve, thereby control gets into the mixed gas flow of motor.
Explanation is at last; Above embodiment is only unrestricted in order to technological scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technological scheme of the present invention; And not breaking away from the aim and the scope of technological scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (4)
1. a high-power gas engine air intake control method comprises pressurized machine, is communicated with air intake duct and gas inlet pipe on the suction tude of pressurized machine, and the outlet pipe of pressurized machine is connected with the intercooler inlet end; It is characterized in that: gas control valve is set in gas inlet pipe, and adopts the throttle opening of Air or delivery temperature feedback control strategy control gas control valve, thus the gas flow of control and air mixing; Power mixture control valve is set on the outlet side of intercooler, and adopts the slightly throttle opening of power controlling mixture control valve of speed feedback control, thereby control gets into the mixed gas flow of motor.
2. high-power gas engine air intake control method according to claim 1; It is characterized in that: the control mode of said Air is: gather the oxygen content information in the motor combustion gas through lambda sensor; And lambda sensor is with the information input ECU that is gathered, and ECU handles the information of lambda sensor input and sends the throttle opening of control information with the adjustment gas control valve according to processing result to gas control valve.
3. high-power gas engine air intake control method according to claim 1; It is characterized in that: the control mode of said delivery temperature feedback control strategy is: gather engine exhaust temperature information through temperature transducer; Temperature transducer is with the information input ECU that is gathered, and ECU handles the information of temperature transducer input and sends the throttle opening of control information with the adjustment gas control valve according to processing result to gas control valve.
4. high-power gas engine air intake control method according to claim 1; It is characterized in that: said speed feedback control control mode slightly is: the rotary speed information of gathering motor through speed probe; Speed probe is with the information input ECU that is gathered, and ECU handles the information of speed probe input and sends the throttle opening of control information with adjustment power mixture control valve according to processing result to power mixture control valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104364906A CN102493884A (en) | 2011-12-23 | 2011-12-23 | Gas inlet control method for large-power gas engine |
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| CN2011104364906A CN102493884A (en) | 2011-12-23 | 2011-12-23 | Gas inlet control method for large-power gas engine |
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| CN102493884A true CN102493884A (en) | 2012-06-13 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926881A (en) * | 2012-11-25 | 2013-02-13 | 淄博淄柴新能源有限公司 | Automatic control method and system for air-fuel ratio of fuel gas generating set |
| CN103343716A (en) * | 2013-07-30 | 2013-10-09 | 潍柴动力股份有限公司 | Air inlet throttle control method and device |
| CN103742274A (en) * | 2013-12-13 | 2014-04-23 | 潍柴动力股份有限公司 | Method and device for controlling engine throttle valve |
| CN104603976A (en) * | 2012-09-05 | 2015-05-06 | 松下知识产权经营株式会社 | Battery module |
| CN105026736A (en) * | 2013-03-12 | 2015-11-04 | 易安迪机车公司 | Engine control system having a variable orifice |
| CN105909396A (en) * | 2016-06-23 | 2016-08-31 | 襄阳美标朗源动力实业有限公司 | Energy-saving gas engine |
| CN107781043A (en) * | 2016-08-30 | 2018-03-09 | 北京扬德环境科技股份有限公司 | A kind of gas intake controller of internal combustion engine and its method |
| CN110925107A (en) * | 2019-12-20 | 2020-03-27 | 潍柴西港新能源动力有限公司 | Fuel closed-loop control method for gas power generation engine |
| CN115539228A (en) * | 2022-10-17 | 2022-12-30 | 陕西柴油机重工有限公司 | Air inlet control system and method of premixed high-power gas engine |
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| JPH06213055A (en) * | 1992-12-04 | 1994-08-02 | Tokyo Gas Co Ltd | Air-fuel ratio controller of gas engine |
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| JP2011127544A (en) * | 2009-12-18 | 2011-06-30 | Yanmar Co Ltd | Gas engine control device |
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2011
- 2011-12-23 CN CN2011104364906A patent/CN102493884A/en active Pending
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| JPH06213055A (en) * | 1992-12-04 | 1994-08-02 | Tokyo Gas Co Ltd | Air-fuel ratio controller of gas engine |
| US20020113439A1 (en) * | 2001-02-22 | 2002-08-22 | Thomas Robert J. | System for regulating speed of an internal combustion engine |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104603976A (en) * | 2012-09-05 | 2015-05-06 | 松下知识产权经营株式会社 | Battery module |
| CN102926881A (en) * | 2012-11-25 | 2013-02-13 | 淄博淄柴新能源有限公司 | Automatic control method and system for air-fuel ratio of fuel gas generating set |
| CN105026736A (en) * | 2013-03-12 | 2015-11-04 | 易安迪机车公司 | Engine control system having a variable orifice |
| CN103343716A (en) * | 2013-07-30 | 2013-10-09 | 潍柴动力股份有限公司 | Air inlet throttle control method and device |
| CN103742274A (en) * | 2013-12-13 | 2014-04-23 | 潍柴动力股份有限公司 | Method and device for controlling engine throttle valve |
| CN103742274B (en) * | 2013-12-13 | 2017-06-27 | 潍柴动力股份有限公司 | The control method and device of a kind of engine throttle |
| CN105909396A (en) * | 2016-06-23 | 2016-08-31 | 襄阳美标朗源动力实业有限公司 | Energy-saving gas engine |
| CN107781043A (en) * | 2016-08-30 | 2018-03-09 | 北京扬德环境科技股份有限公司 | A kind of gas intake controller of internal combustion engine and its method |
| CN110925107A (en) * | 2019-12-20 | 2020-03-27 | 潍柴西港新能源动力有限公司 | Fuel closed-loop control method for gas power generation engine |
| CN115539228A (en) * | 2022-10-17 | 2022-12-30 | 陕西柴油机重工有限公司 | Air inlet control system and method of premixed high-power gas engine |
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Application publication date: 20120613 |