CN109899168A - A kind of binodal air valve engine control system applied to generating set - Google Patents
A kind of binodal air valve engine control system applied to generating set Download PDFInfo
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- CN109899168A CN109899168A CN201910216748.8A CN201910216748A CN109899168A CN 109899168 A CN109899168 A CN 109899168A CN 201910216748 A CN201910216748 A CN 201910216748A CN 109899168 A CN109899168 A CN 109899168A
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- binodal
- gas pipeline
- air
- engine
- combustion
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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
Abstract
The invention discloses a kind of binodal air valve engine control systems applied to generating set, including microcomputerized controller and engine, the input terminal of microcomputerized controller is electrically connected with signal acquisition module and detection module, the output end of microcomputerized controller is electrically connected with ignition module and binodal valve actuator, binodal valve actuator includes gas pipeline, combustion-supporting feed channel and mixed gas pipeline, mixed gas pipeline one end is connected with engine, the other end is separately connected combustion-supporting feed channel and gas pipeline by mixer, gas pipeline is provided with combustion gas air throttle, mixed gas pipeline is provided with speed regulation air throttle, compared to traditional single throttle control, binodal valve actuator can regulate and control gas quantity and air-fuel mixture amount respectively, so that control system is more accurate for the control of air-fuel ratio, conducive to lean burn control, it can be under different load state Gas inlet amount realizes closed-loop control, is suitable for while the row of reduction is warm in different gas sources, the changed occasion of gas componant.
Description
Technical field
The present invention relates to a kind of device for controlling engine, especially a kind of binodal air valve engine applied to generating set
Control system.
Background technique
Currently used jet dynamic control is mostly to be controlled using proportional mixer gas inlet amount, this control
Method processed have the shortcomings that air-fuel ratio control performance it is poor, row temperature it is high, due to the gas inlet amount under different load be it is fixed, because
This cannot realize air-fuel ratio closed-loop control by control gas inlet amount, cause engine for different gas source occasion adaptability
It is low.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of reduction row temperature, is adaptable to different gas source occasions
Binodal air valve engine control system applied to generating set.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of binodal air valve engine control system applied to generating set, including microcomputerized controller and engine, institute
The input terminal for stating microcomputerized controller is electrically connected with signal acquisition module and detection module, and the output end of the microcomputerized controller is electrically connected
Be connected to ignition module and binodal valve actuator, the binodal valve actuator include gas pipeline, combustion-supporting feed channel and
Mixed gas pipeline, the outlet side of the mixed gas pipeline connect the inlet end of the engine, the air inlet of the mixed gas pipeline
End is separately connected the combustion-supporting feed channel and gas pipeline by mixer, and the exhaust end of the engine is provided with exhaust pipe,
The gas pipeline is provided with combustion gas air throttle, and the mixed gas pipeline is provided with speed regulation air throttle.
The signal acquisition module includes being mounted between the air inlet of the gas pipeline and the combustion gas air throttle
Gaseous-pressure temperature sensor, is mounted on the mixing at the atmospheric pressure temperature sensor being mounted in the combustion-supporting feed channel
The gas outlet of feed channel and the boost pressure temperature sensor adjusted the speed between air throttle, the width being mounted on the exhaust pipe
Domain oxygen sensor and the engine oil pressure pickup and coolant temperature sensor being mounted on the engine.
The detection module includes the crankshaft sensor and camshaft-signal sensor being mounted on the engine.
Manual ball valve, are sequentially set between the air inlet of the gas pipeline and the gaseous-pressure temperature sensor
One filter, solenoid valve, fire arrester and pressure regulator.
Booster and intercooler are sequentially set between the mixer and the speed regulation air throttle.
The second filter is provided between the air inlet of the combustion-supporting feed channel and the atmospheric pressure temperature sensor.
The microcomputerized controller is provided with debugging interface.
The microcomputerized controller is provided with switching value electricity module, and the switching value electricity module includes microcomputer upper electrical switch and hair
Motivation IS Idle Switch.
The beneficial effects of the present invention are: the present invention, compared to traditional single throttle control, binodal valve actuator can divide
Not Tiao Kong gas quantity and air-fuel mixture amount be conducive to lean burn control so that control system is more accurate for the control of air-fuel ratio
System, can to the gas inlet amount under different load state realize closed-loop control, reduce row temperature while be suitable for different gas sources,
The changed occasion of gas componant.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is system construction drawing of the invention；
Fig. 2 is the structural schematic diagram of binodal valve actuator.
Specific embodiment
Referring to Figures 1 and 2, a kind of binodal air valve engine control system applied to generating set, including microcomputer control
Device and engine 1, the input terminal of the microcomputerized controller are electrically connected with signal acquisition module and detection module, the microcomputer control
The output end of device is electrically connected with ignition module and binodal valve actuator, and the binodal valve actuator includes gas pipeline
2, combustion-supporting feed channel 3 and mixed gas pipeline 4, the outlet side of the mixed gas pipeline 4 connect the inlet end of the engine 1, institute
The inlet end for stating mixed gas pipeline 4 is separately connected the combustion-supporting feed channel 3 and gas pipeline 2 by mixer 24, described to start
The exhaust end of machine 1 is provided with exhaust pipe 5, and the gas pipeline 2 is provided with combustion gas air throttle 6, and the mixed gas pipeline 4 is provided with
Air throttle 7 is adjusted the speed, the gas flow of the 6 full working scope real-time control engine of combustion gas air throttle is controlled by combustion gas air throttle 6
Combustion gas mixed at mixer 24 with air after enter work by combustion in the cylinder of engine 1, microcomputerized controller passes through signal
The live data of acquisition module and detection module acquisition engine, such as boost pressure temperature, water temperature and revolving speed are to determine to start
Machine load condition calculates the basic combustion gas tolerance needed under the corresponding load condition of engine 1, passes through the gaseous-pressure temperature of acquisition
Degree and water temperature signal are modified the basic combustion gas tolerance under the corresponding load condition of engine 1, regulating gas air throttle 6 and tune
The basic aperture of fast air throttle 7 carries out accuracy controlling to the gas inlet amount under engine full working scope load, control engine
Revolving speed realizes the closed-loop control of engine air-fuel ratio, achievees the effect that lean burn, the row's of the reduction temperature of engine, due to described
Combustion gas air throttle 6 can realize accurate control, therefore this engine control system to the gas inlet amount under different load state
The changed occasion of different gas sources, gas componant is applicable to use；In the present embodiment, the microcomputerized controller is automobile
ECU, the ignition module are the sequentially fired device of 24V high energy, the finger that the ignition module is mainly issued according to microcomputerized controller
Order controls the circuit of primary ignition coil, controls its on and off, to be supplied to spark plug energy, puts gas cylinder
Interior gaseous mixture completes acting.
The signal acquisition module includes being mounted between the air inlet of the gas pipeline 2 and the combustion gas air throttle 6
Gaseous-pressure temperature sensor 8, be mounted in the combustion-supporting feed channel 3 atmospheric pressure temperature sensor 9, be mounted on it is described
The gas outlet of mixed gas pipeline 4 and the boost pressure temperature sensor 10 adjusted the speed between air throttle 7 are mounted on the exhaust
Broad domain oxygen sensor 11 on pipe 5 and the engine oil pressure pickup 12 and coolant water temperature that are mounted on the engine 1 sensing
Device 13, the detection module includes the crankshaft sensor 14 and camshaft-signal sensor 15 being mounted on the engine 1, acquired
Obtained engine boost pressure temperature is handled to carry out under torque arithmetic and engine different load state for microcomputerized controller
The basic air inflow of required combustion gas calculating；The acquired obtained gaseous-pressure temperature that handles is used under different load state
When gas inlet amount and when gas pressure temperature changes, gas inlet amount is modified；What acquired processing obtained
Engine oil pressure, coolant water temperature is used for the safeguard measure of engine, when engine oil pressure is too low or coolant water temperature is excessively high,
Microcomputerized controller can be taken appropriate measures according to internal processes as reduced torque, engine returns idling or shutdown；It is acquired
The air fuel ratio value in engine exhaust that broad domain oxygen sensor is handled, can reflect engine combustion state, according to microcomputer
Optimal air-fuel ratio MAP table under the different load state that controller storage inside has been demarcated, calculate actual air-fuel ratio and with most
Good air-fuel ratio compares, and adjusts engine full working scope, reaches optimal combustion state.
The microcomputerized controller is provided with switching value electricity module, and the switching value electricity module includes microcomputer upper electrical switch and hair
Motivation IS Idle Switch.
Manual ball valve is sequentially set between the air inlet of the gas pipeline 2 and the gaseous-pressure temperature sensor 8
22, first filter 16, solenoid valve 17, fire arrester 18 and pressure regulator 19.Between the mixer 24 and the speed regulation air throttle 7
It is sequentially set with booster 20 and intercooler 21, and the mixer 24 is entered after combustion gas and air being mixed using venturi principle
Booster enters engine cylinder combustion after cold in the pressurization of booster 20 and intercooler 21 and does work.The combustion-supporting tracheae
The second filter 23 is provided between the air inlet in road 3 and the atmospheric pressure temperature sensor 9.The microcomputerized controller setting
There is debugging interface, the internal processes of test microcomputerized controller are updated for docking microcomputerized controller.
In a particular embodiment, combustion gas controls the on-off of combustion gas by first filter 16, by solenoid valve 17, by resistance
Within the scope of gaseous-pressure pressure stabilizing to the low-pressure needed, the combustion gas after pressure stabilizing passes through combustion gas section for firearm 18, pressure regulator 19
Valve 6 controls the flow of combustion gas, and is sufficiently mixed at mixer 24 with air, by the mixed combustion gas-sky of mixer 24
Oxygen mixture is pressurized by booster 20, and pressurized mixed gas is cooling by intercooler 21, reduces combustion knock, is improved
Dynamic property, gaseous mixture after cooling are entered the mixed gas flow of cylinder by the speed regulation control of air throttle 7, make engine
Stabilization of speed；When controlling gas flow by combustion gas air throttle 6, the microcomputerized controller collecting crankshaft sensor 14, pressurization
The detection data of pressure-temperature sensor 10, gaseous-pressure temperature sensor 8 and barometric pressure sensor 9, controls according to microcomputer
The torque algorithm of programming calculates the gas flow under different load operating condition inside device, and by executing opening for combustion gas air throttle 6
Accurate control of the position realization to gas quantity is spent, acquisition broad domain oxygen sensor 11 reflection engine in-cylinder combustion feelings indirectly are passed through
Condition, and according to acquisition signal calculate burning after tail gas air fuel ratio value, regulation engine combustion acting.
Above embodiment cannot limit the protection scope of the invention, and the personnel of professional skill field are not departing from
In the case where the invention general idea, the impartial modification and variation done still fall within the range that the invention is covered
Within.
Claims (8)
1. a kind of binodal air valve engine control system applied to generating set, including microcomputerized controller and engine (1), institute
The input terminal for stating microcomputerized controller is electrically connected with signal acquisition module and detection module, it is characterised in that the microcomputerized controller
Output end is electrically connected with ignition module and binodal valve actuator, the binodal valve actuator include gas pipeline (2),
Combustion-supporting feed channel (3) and mixed gas pipeline (4), the outlet side of the mixed gas pipeline (4) connect the air inlet of the engine (1)
The inlet end at end, the mixed gas pipeline (4) is separately connected the combustion-supporting feed channel (3) and gas pipeline by mixer (24)
(2), the exhaust end of the engine (1) is provided with exhaust pipe (5), and the gas pipeline (2) is provided with combustion gas air throttle (6),
The mixed gas pipeline (4) is provided with speed regulation air throttle (7).
2. the binodal air valve engine control system according to claim 1 applied to generating set, it is characterised in that institute
Stating signal acquisition module includes the combustion gas being mounted between the air inlet of the gas pipeline (2) and the combustion gas air throttle (6)
Pressure-temperature sensor (8), the atmospheric pressure temperature sensor (9) being mounted on the combustion-supporting feed channel (3), be mounted on it is described
The gas outlet of mixed gas pipeline (4) and the boost pressure temperature sensor (10) adjusted the speed between air throttle (7) are mounted on institute
The engine oil pressure pickup (12) stating the broad domain oxygen sensor (11) on exhaust pipe (5) and being mounted on the engine (1)
With coolant temperature sensor (13).
3. the binodal air valve engine control system according to claim 1 applied to generating set, it is characterised in that institute
Stating detection module includes the crankshaft sensor (14) and camshaft-signal sensor (15) being mounted on the engine (1).
4. the binodal air valve engine control system according to claim 2 applied to generating set, it is characterised in that institute
It states and is sequentially set with manual ball valve (22), between the air inlet of gas pipeline (2) and the gaseous-pressure temperature sensor (8)
One filter (16), solenoid valve (17), fire arrester (18) and pressure regulator (19).
5. the binodal air valve engine control system according to claim 1 applied to generating set, it is characterised in that institute
It states and is sequentially set with booster (20) and intercooler (21) between mixer (24) and the speed regulation air throttle (7).
6. the binodal air valve engine control system according to claim 2 applied to generating set, it is characterised in that institute
It states and is provided with the second filter (23) between the air inlet of combustion-supporting feed channel (3) and the atmospheric pressure temperature sensor (9).
7. the binodal air valve engine control system according to claim 1 applied to generating set, it is characterised in that institute
It states microcomputerized controller and is provided with debugging interface.
8. the binodal air valve engine control system according to claim 1 applied to generating set, it is characterised in that institute
It states microcomputerized controller and is provided with switching value electricity module, the switching value electricity module includes that microcomputer upper electrical switch and engine idling are opened
It closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910216748.8A CN109899168A (en) | 2019-03-20 | 2019-03-20 | A kind of binodal air valve engine control system applied to generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910216748.8A CN109899168A (en) | 2019-03-20 | 2019-03-20 | A kind of binodal air valve engine control system applied to generating set |
Publications (1)
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| CN109899168A true CN109899168A (en) | 2019-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910216748.8A Pending CN109899168A (en) | 2019-03-20 | 2019-03-20 | A kind of binodal air valve engine control system applied to generating set |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855358A (en) * | 2021-01-15 | 2021-05-28 | 中科广能能源研究院(重庆)有限公司 | Special gas engine control system for gas heat pump |
| CN113464318A (en) * | 2021-08-23 | 2021-10-01 | 浙江瑞星化油器制造有限公司 | Full-electric control gas mixer |
| CN114658571A (en) * | 2022-05-18 | 2022-06-24 | 四川中能西控低碳动力装备有限公司 | Hydrogen fuel engine and control method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533643A (en) * | 2014-12-19 | 2015-04-22 | 河南柴油机重工有限责任公司 | Gas engine lean combustion control method and system |
| CN210033646U (en) * | 2019-03-20 | 2020-02-07 | 中山市蓝水能源科技发展有限公司 | Double-throttle engine control system applied to generator set |
-
2019
- 2019-03-20 CN CN201910216748.8A patent/CN109899168A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533643A (en) * | 2014-12-19 | 2015-04-22 | 河南柴油机重工有限责任公司 | Gas engine lean combustion control method and system |
| CN210033646U (en) * | 2019-03-20 | 2020-02-07 | 中山市蓝水能源科技发展有限公司 | Double-throttle engine control system applied to generator set |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855358A (en) * | 2021-01-15 | 2021-05-28 | 中科广能能源研究院(重庆)有限公司 | Special gas engine control system for gas heat pump |
| CN113464318A (en) * | 2021-08-23 | 2021-10-01 | 浙江瑞星化油器制造有限公司 | Full-electric control gas mixer |
| CN114658571A (en) * | 2022-05-18 | 2022-06-24 | 四川中能西控低碳动力装备有限公司 | Hydrogen fuel engine and control method thereof |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20190618 Assignee: CIMC Bluewater Technology Development (Guangdong) Co.,Ltd. Assignor: ZHONGSHAN LANSHUI ENERGY TECHNOLOGY DEVELOPMENT Co.,Ltd. Contract record no.: X2022440020022 Denomination of invention: A Control System of Double Throttle Engine Applied to Generator Set License type: Exclusive License Record date: 20221116 |
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