CN210033646U - Double-throttle engine control system applied to generator set - Google Patents
Double-throttle engine control system applied to generator set Download PDFInfo
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- CN210033646U CN210033646U CN201920362667.4U CN201920362667U CN210033646U CN 210033646 U CN210033646 U CN 210033646U CN 201920362667 U CN201920362667 U CN 201920362667U CN 210033646 U CN210033646 U CN 210033646U
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- 238000001514 detection method Methods 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims description 99
- 239000000203 mixture Substances 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 239000000498 cooling water Substances 0.000 claims description 5
- 239000010705 motor oil Substances 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 230000009977 dual effect Effects 0.000 claims 2
- 239000002737 fuel gas Substances 0.000 claims 1
- 239000000446 fuel Substances 0.000 abstract description 10
- 238000002485 combustion reaction Methods 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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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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- Output Control And Ontrol Of Special Type Engine (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
The utility model discloses a double-throttle engine control system applied to a generator set, which comprises a microcomputer controller and an engine, wherein the input end of the microcomputer controller is electrically connected with a signal acquisition module and a detection module, the output end of the microcomputer controller is electrically connected with an ignition module and a double-throttle driving device, the double-throttle driving device comprises a gas pipeline, a combustion-supporting gas pipeline and a mixed gas pipeline, one end of the mixed gas pipeline is connected with the engine, the other end of the mixed gas pipeline is respectively connected with the combustion-supporting gas pipeline and the gas pipeline through a mixer, the gas pipeline is provided with a gas throttle, the mixed gas pipeline is provided with a speed-regulating throttle, compared with the traditional single-throttle control, the double-throttle driving device can respectively regulate and control gas quantity and mixed gas quantity, so that the control system can more accurately control the air-fuel ratio, is beneficial to lean combustion control, and can realize, the exhaust temperature is reduced, and the device is suitable for occasions with different gas sources and gas components changing.
Description
Technical Field
The utility model relates to an engine control equipment, especially a be applied to generating set's two throttle engine control system.
Background
The conventional common gas generator set mostly adopts a proportional mixer to control the air intake quantity of gas, the control method has the defects of poor air-fuel ratio control performance and high exhaust temperature, and because the air intake quantity of the gas under different loads is fixed, the air-fuel ratio closed-loop control cannot be realized by controlling the air intake quantity of the gas, so that the adaptability of an engine to different gas source occasions is low.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a reduce row's temperature, adaptable two throttle engine control system who is applied to generating set in different air supply occasions.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a be applied to double throttle engine control system of generating set, includes microcomputer control ware and engine, microcomputer control ware's input electricity is connected with signal acquisition module and detection module, microcomputer control ware's output electricity is connected with ignition module and double throttle drive arrangement, double throttle drive arrangement includes gas pipeline, combustion-supporting gas pipeline and gas mixture pipeline, the end of giving vent to anger of gas mixture pipeline is connected the inlet end of engine, the inlet end of gas mixture pipeline passes through the blender and connects respectively combustion-supporting gas pipeline and gas pipeline, the exhaust end of engine is provided with the blast pipe, the gas pipeline is provided with the gas throttle, the gas mixture pipeline is provided with the speed governing throttle.
The signal acquisition module comprises a gas pressure temperature sensor arranged between an air inlet of the gas pipeline and the gas throttle valve, an atmospheric pressure temperature sensor arranged on the combustion-supporting gas pipeline, a pressurizing pressure temperature sensor arranged between an air outlet of the gas mixture pipeline and the speed-regulating throttle valve, a wide-range oxygen sensor arranged on the exhaust pipe, and an engine oil pressure sensor and a cooling water temperature sensor arranged on the engine.
The detection module includes a crankshaft sensor and a camshaft sensor mounted on the engine.
The gas pipeline's air inlet with be provided with manual ball valve, first filter, solenoid valve, spark arrester and voltage regulator between the gas pressure temperature sensor in proper order.
And a supercharger and a intercooler are sequentially arranged between the mixer and the speed regulation throttle valve.
And a second filter is arranged between the air inlet of the combustion-supporting air pipeline and the atmospheric pressure temperature sensor.
The microcomputer controller is provided with a debugging interface.
The microcomputer controller is provided with a switching power supply module which comprises a microcomputer power-on switch and an engine idle speed switch.
The utility model has the advantages that: the utility model discloses compare in traditional single throttle control, two throttle drive arrangement can regulate and control gas volume and gas mixture volume respectively for control system is more accurate to the control of air-fuel ratio, does benefit to rarefied combustion control, can realize closed-loop control to the gas air input under the different load condition, is applicable to the occasion that changes at different air supplies, gas composition when reducing the exhaust temperature.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a system block diagram of the present invention;
fig. 2 is a schematic structural view of a double throttle driving apparatus.
Detailed Description
Referring to fig. 1 and 2, a double throttle engine control system applied to a generator set comprises a microcomputer controller and an engine 1, wherein an input end of the microcomputer controller is electrically connected with a signal acquisition module and a detection module, an output end of the microcomputer controller is electrically connected with an ignition module and a double throttle driving device, the double throttle driving device comprises a gas pipeline 2, a combustion-supporting gas pipeline 3 and a mixed gas pipeline 4, an outlet end of the mixed gas pipeline 4 is connected with an inlet end of the engine 1, an inlet end of the mixed gas pipeline 4 is respectively connected with the combustion-supporting gas pipeline 3 and the gas pipeline 2 through a mixer 24, an exhaust end of the engine 1 is provided with an exhaust pipe 5, the gas pipeline 2 is provided with a gas throttle valve 6, the mixed gas pipeline 4 is provided with a speed-adjusting throttle valve 7, and the gas throttle valve 6 controls the gas flow of the engine under the full working condition in real time, the gas and air controlled by the gas throttle 6 are mixed in the mixer 24 and then enter the cylinder of the engine 1 to be combusted and do work, the microcomputer controller collects the actual data of the engine such as supercharging pressure temperature, water temperature and rotating speed through the signal collection module and the detection module to judge the load condition of the engine, calculates the basic gas flow required under the corresponding load condition of the engine 1, corrects the basic gas flow under the corresponding load condition of the engine 1 through the collected gas pressure temperature and water temperature signals, regulates the basic opening degree of the gas throttle 6 and the speed regulating throttle 7, accurately regulates and controls the gas intake flow under the full condition load of the engine, controls the rotating speed of the engine, realizes the closed-loop control of the air-fuel ratio of the engine, achieves the effects of lean combustion and temperature reduction of the engine, and because the gas throttle 6 can accurately control the gas intake flow under different load conditions, therefore, the engine control system can also be suitable for occasions with different gas sources and gas components changing; in this embodiment, the microcomputer controller is an automobile ECU, the ignition module is a 24V high-energy sequential ignition device, and the ignition module mainly controls a loop of a primary ignition coil according to an instruction sent by the microcomputer controller to control the on and off of the loop, so that energy is provided to a spark plug to ignite a gas mixture in a cylinder to complete work.
The signal acquisition module comprises a gas pressure and temperature sensor 8 arranged between an air inlet of the gas pipeline 2 and the gas throttle valve 6, an atmospheric pressure and temperature sensor 9 arranged on the combustion-supporting gas pipeline 3, a supercharging pressure and temperature sensor 10 arranged between an air outlet of the gas mixture pipeline 4 and the speed-regulating throttle valve 7, a wide-range oxygen sensor 11 arranged on the exhaust pipe 5, an engine oil pressure sensor 12 arranged on the engine 1 and a cooling water temperature sensor 13, the detection module comprises a crankshaft sensor 14 and a camshaft sensor 15 arranged on the engine 1, and the engine supercharging pressure and temperature obtained through acquisition and processing is used for a microcomputer controller to carry out torque calculation and calculation of basic gas inflow required by the engine under different load states; the gas pressure and temperature obtained through the collection and processing are used for correcting the gas inflow when the gas inflow is in different load states and the gas pressure and temperature are changed; the engine oil pressure and cooling water temperature obtained by the acquisition and processing are used for protecting the engine, and when the engine oil pressure is too low or the cooling water temperature is too high, the microcomputer controller can take corresponding measures such as torque reduction, engine idling return or shutdown according to an internal program; the air-fuel ratio in the engine exhaust obtained by processing the acquisition wide-area oxygen sensor can reflect the combustion state of the engine, the actual air-fuel ratio is calculated according to the calibrated optimal air-fuel ratio MAP table in different load states stored in the microcomputer controller and is compared with the optimal air-fuel ratio, and the full working condition of the engine is adjusted to achieve the optimal combustion state.
The microcomputer controller is provided with a switching power supply module which comprises a microcomputer power-on switch and an engine idle speed switch.
A manual ball valve 22, a first filter 16, an electromagnetic valve 17, a flame arrester 18 and a pressure regulator 19 are sequentially arranged between the gas inlet of the gas pipeline 2 and the gas pressure and temperature sensor 8. The supercharger 20 and the intercooler 21 are sequentially arranged between the mixer 24 and the speed regulation throttle valve 7, the mixer 24 mixes gas and air by using a Venturi principle, then the gas and the air enter the supercharger, and then the gas and the air enter an engine cylinder for combustion and work after being supercharged by the supercharger 20 and cooled in the intercooler 21. A second filter 23 is arranged between the air inlet of the combustion-supporting air pipeline 3 and the atmospheric pressure temperature sensor 9. The microcomputer controller is provided with a debugging interface for butting the microcomputer controller to update the internal program of the testing microcomputer controller.
In the specific embodiment, the gas passes through the first filter 16, the on-off of the gas is controlled by the electromagnetic valve 17, the pressure of the gas is stabilized to a required low-pressure range by the flame arrester 18 and the pressure regulator 19, the flow of the gas is controlled by the stabilized gas through the gas throttle 6 and is fully mixed with air at the mixer 24, the gas-air mixed gas mixed by the mixer 24 is pressurized by the supercharger 20, the pressurized mixed gas is cooled by the intercooler 21, the combustion detonation is reduced, the dynamic property is improved, and the flow of the mixed gas entering the cylinder of the engine is controlled by the cooled mixed gas through the speed-regulating throttle 7, so that the rotating speed of the engine is stable; when the gas flow is controlled through the gas throttle 6, the microcomputer controller collects detection data of the crankshaft sensor 14, the supercharging pressure temperature sensor 10, the gas pressure temperature sensor 8 and the atmospheric pressure sensor 9, calculates the gas flow under different load working conditions according to a torque algorithm written in the microcomputer controller, accurately controls the gas flow by executing the opening position of the gas throttle 6, indirectly reflects the combustion condition in an engine cylinder through collecting the wide-range oxygen sensor 11, calculates the air-fuel ratio of tail gas after combustion according to a collected signal, and regulates and controls the engine to do work.
The above embodiments do not limit the scope of the present invention, and those skilled in the art can make equivalent modifications and variations without departing from the overall concept of the present invention.
Claims (8)
1. A double-throttle engine control system applied to a generator set comprises a microcomputer controller and an engine (1), wherein the input end of the microcomputer controller is electrically connected with a signal acquisition module and a detection module, it is characterized in that the output end of the microcomputer controller is electrically connected with an ignition module and a double-throttle driving device, the double-throttle driving device comprises a gas pipeline (2), a combustion-supporting gas pipeline (3) and a mixed gas pipeline (4), the air outlet end of the mixed gas pipeline (4) is connected with the air inlet end of the engine (1), the air inlet end of the mixed gas pipeline (4) is respectively connected with the combustion-supporting gas pipeline (3) and the fuel gas pipeline (2) through a mixer (24), the exhaust end of engine (1) is provided with blast pipe (5), gas pipeline (2) are provided with gas throttle (6), gas mixture pipeline (4) are provided with speed governing throttle (7).
2. The dual-throttle engine control system applied to a generator set according to claim 1, wherein the signal acquisition module comprises a gas pressure and temperature sensor (8) installed between an air inlet of the gas pipeline (2) and the gas throttle (6), an atmospheric pressure and temperature sensor (9) installed on the combustion-supporting gas pipeline (3), a supercharging pressure and temperature sensor (10) installed between an air outlet of the gas mixture pipeline (4) and the speed-regulating throttle (7), a wide-range oxygen sensor (11) installed on the exhaust pipe (5), and an engine oil pressure sensor (12) and a cooling water temperature sensor (13) installed on the engine (1).
3. The dual throttle engine control system applied to a genset as claimed in claim 1 wherein the detection module includes a crankshaft sensor (14) and a camshaft sensor (15) mounted on the engine (1).
4. The control system of the double-throttle engine applied to the generator set according to claim 2, characterized in that a manual ball valve (22), a first filter (16), an electromagnetic valve (17), a flame arrester (18) and a pressure regulator (19) are sequentially arranged between the air inlet of the gas pipeline (2) and the gas pressure and temperature sensor (8).
5. The dual throttle engine control system applied to a generator set according to claim 1, characterized in that a supercharger (20) and a intercooler (21) are sequentially provided between the mixer (24) and the governor throttle (7).
6. The control system of a double-throttle engine applied to a generator set according to claim 2, characterized in that a second filter (23) is arranged between the air inlet of the combustion-supporting air duct (3) and the atmospheric pressure temperature sensor (9).
7. The control system of the double-throttle engine applied to the generator set according to claim 1, wherein the microcomputer controller is provided with a debugging interface.
8. The dual-throttle engine control system applied to a generator set according to claim 1, wherein the microcomputer controller is provided with a switching power module, and the switching power module comprises a microcomputer power-on switch and an engine idle switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920362667.4U CN210033646U (en) | 2019-03-20 | 2019-03-20 | Double-throttle engine control system applied to generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920362667.4U CN210033646U (en) | 2019-03-20 | 2019-03-20 | Double-throttle engine control system applied to generator set |
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| Publication Number | Publication Date |
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| CN210033646U true CN210033646U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920362667.4U Active CN210033646U (en) | 2019-03-20 | 2019-03-20 | Double-throttle engine control system applied to generator set |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899168A (en) * | 2019-03-20 | 2019-06-18 | 中山市蓝水能源科技发展有限公司 | A kind of binodal air valve engine control system applied to generating set |
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2019
- 2019-03-20 CN CN201920362667.4U patent/CN210033646U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899168A (en) * | 2019-03-20 | 2019-06-18 | 中山市蓝水能源科技发展有限公司 | A kind of binodal air valve engine control system applied to generating set |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221009 Address after: 523000 Room 412, Building 9, No.1 Nanshan Road, Songshanhu Park, Dongguan, Guangdong Patentee after: CIMC Bluewater Technology Development (Guangdong) Co.,Ltd. Address before: Room 227, No. 39-2, Keji East Road, Torch Development Zone, Zhongshan, Guangdong 528400 Patentee before: ZHONGSHAN LANSHUI ENERGY TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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| TR01 | Transfer of patent right |