CN109083758B - Intelligent control system for automobile air intake pressurization - Google Patents
Intelligent control system for automobile air intake pressurization Download PDFInfo
- Publication number
- CN109083758B CN109083758B CN201811031530.7A CN201811031530A CN109083758B CN 109083758 B CN109083758 B CN 109083758B CN 201811031530 A CN201811031530 A CN 201811031530A CN 109083758 B CN109083758 B CN 109083758B
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- Prior art keywords
- air inlet
- chip microcomputer
- single chip
- vehicle
- ecu
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0002—Controlling intake air
- F02D41/0007—Controlling intake air for control of turbo-charged or super-charged engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
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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
- Y02T10/12—Improving ICE efficiencies
Abstract
The invention discloses an intelligent control system for automobile air intake pressurization, and belongs to the field of automobile equipment. The control center regulates and controls the air inflow after pressurization after acquiring a signal of the air inlet pressure sensor, acquires a regulated and controlled air inflow signal at the same time, transmits the regulated and controlled air inflow signal to the vehicle ECU, and regulates the oil injection pulse width of the vehicle by the vehicle ECU, so that the power of the engine is recovered to the original state, and the purpose of reducing the oil consumption is realized. The invention can be combined with an electric turbine, not only can not obstruct the gas flow, but also can form stable wind pressure in front of a throttle valve and increase the air inflow. The problem that a turbocharger mounted on the rear of a vehicle is matched with the vehicle can be solved, power lifting in a starting stage can be achieved, oil consumption is reduced in normal running, and emission of harmful gas in tail gas is reduced.
Description
Technical Field
The invention relates to an intelligent control system for automobile air intake pressurization, and belongs to the field of automobile equipment.
Background
When the engine works, if the oxygen content in the cylinder is increased, the power of the engine is increased, and in order to meet the national policy, a large number of small-displacement engines with turbocharging are used by vehicle enterprises, so that the aim of the vehicle enterprises is to realize small displacement and high horsepower, and the engine is more beneficial to energy conservation and environmental protection. There are too many vehicles on the market today that do not have turbocharging and do not match if it is added. In the prior art, after the turbine boosting device is additionally arranged, the oil injection pulse width can be directly adjusted through the vehicle ECU. Or the manufacturer of the air inlet pressure sensor directly adjusts the relevant parameters of the pressure sensor, so that the oil injection pulse width of the vehicle can be adjusted, but the air inlet pressure sensor has certain limitation and mismatching, and the oil consumption is not reduced.
Disclosure of Invention
The invention aims to provide an intelligent control system for automobile air intake pressurization, which can solve the problem that a turbocharger mounted on a vehicle is matched with the vehicle, can realize power improvement in a starting stage, reduces oil consumption in normal running and reduces the emission of harmful gas in tail gas.
In order to solve the problems, the invention provides an intelligent control system for automobile air intake pressurization, which comprises a control center, wherein the control center regulates and controls air intake amount after acquiring a signal of an air intake pressure sensor, transmits the calculated signal to an automobile ECU (electronic control unit), and adjusts the oil injection pulse width of the automobile.
Preferably, the control center comprises a voltage-stabilized power supply, a single chip microcomputer, an operational amplifier circuit, an air inlet pressure sensor and an induced draft fan; the air inlet pressure sensor is connected with the single chip microcomputer, the single chip microcomputer is connected with the induced draft fan and the ECU, an operational amplifier circuit is arranged between the ECU and the single chip microcomputer, and the stabilized voltage power supply supplies power to the system.
Preferably, the air inlet pressure sensor collects an absolute pressure signal of the air manifold behind the throttle valve, the signal is transmitted to the single chip microcomputer, and the single chip microcomputer adjusts the rotating speed of the induced draft fan after calculation, so that the air inlet amount is adjusted, and air inlet pressurization is achieved.
Preferably, the single chip microcomputer obtains a pressure signal after air inlet pressurization through the air inlet pressure sensor, the calculated signal is transmitted to the ECU of the vehicle, and the ECU adjusts the oil injection pulse width of the vehicle according to requirements, so that the power of the engine is restored to the original state, and the purpose of reducing oil consumption is achieved.
Preferably, the singlechip adopts an STC series singlechip.
Preferably, the operational amplifier circuit TLC2272 is an operational amplifier.
Preferably, the regulated power supply adopts a 78L05 voltage regulator.
The invention has the beneficial effects that:
after the existing vehicle is additionally installed, the additionally installed supercharging device can be perfectly matched with the vehicle, and the efficiency system of the supercharging device can be better exerted without changing the control system of the vehicle, so that the supercharging device is stable and reliable, low in cost, very simple to install and free of maintenance, the power can be improved in the starting stage, the oil consumption is reduced in normal running, and the emission of harmful gases in tail gas is reduced.
Drawings
FIG. 1 is a circuit diagram of a control center according to the present invention.
Detailed Description
Example 1:
referring to the first drawing of the specification, in order to solve the problems, the invention provides an intelligent control system for automobile air intake pressurization, which comprises a control center, wherein the control center regulates and controls air intake amount after acquiring a signal of an air intake pressure sensor, transmits the calculated signal to a vehicle ECU, and adjusts the oil injection pulse width of a vehicle by the vehicle ECU so as to restore the raised power of an engine to an original state.
Preferably, the control center comprises a voltage-stabilized power supply, a single chip microcomputer, an operational amplifier circuit, an air inlet pressure sensor and an induced draft fan; the air inlet pressure sensor is connected with the single chip microcomputer, the single chip microcomputer is connected with the induced draft fan and the ECU, an operational amplifier circuit is arranged between the ECU and the single chip microcomputer, and the stabilized voltage power supply supplies power to the system.
Preferably, the air inlet pressure sensor collects an absolute pressure signal of the air manifold behind the throttle valve, the signal is transmitted to the single chip microcomputer, and the single chip microcomputer adjusts the rotating speed of the induced draft fan after calculation, so that the air inlet amount is adjusted, and air inlet pressurization is achieved.
Preferably, the single chip microcomputer obtains a pressure signal after air inlet pressurization through the air inlet pressure sensor, the calculated signal is transmitted to the ECU of the vehicle, and the ECU adjusts the oil injection pulse width of the vehicle according to requirements, so that the power of the engine is restored to the original state, and the purpose of reducing oil consumption is achieved.
Preferably, the singlechip adopts an STC series singlechip.
Preferably, the operational amplifier circuit TLC2272 is an operational amplifier.
Preferably, the regulated power supply adopts a 78L05 voltage regulator.
When the engine runs, the air inlet fan 3 in the air inlet hose body 5 works, the control center 4 connected with the air inlet fan 3 is sequentially connected with the automobile air inlet pressure sensor and the automobile ECU, and the control center adjusts the rotating speed of the air inlet fan 7 according to a signal detected by the automobile air inlet pressure sensor to change the air input, so that the air input of the air inlet is increased. According to the formula:
wherein, 1 and 2 are constants, 0.1 is a correction coefficient, A is the percentage for increasing air input, B is the percentage for reducing oil injection quantity, the calculated oil injection quantity signal is transmitted to the ECU, and the problem that the ECU directly acquires the signal of an air inlet pressure sensor to cause the direct acquisition of the signal of the air inlet pressure sensor in the prior art is avoidedThe situation of the oil injection pulse width is increased due to the increase of the air inflow, so that the purpose of reducing the oil consumption is achieved. The matching of the turbocharger and the vehicle is solved, the power lifting in the starting stage can be realized, the oil consumption is reduced in normal running, and the emission of harmful gas in tail gas is reduced. In actual detection, the invention can realize that the comprehensive oil consumption is reduced by more than 5%, the CO2 is reduced by more than 7%, and the CO is reduced by more than 4%.
The vehicle runs by matching more than 1 ten thousand vehicles for more than five years, the stability is very reliable, the service life exceeds 30 ten thousand kilometers, the cost is low, the installation is very simple, and the maintenance is not needed.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (4)
1. The intelligent control system for automobile air intake pressurization is characterized by comprising a control center, wherein the control center regulates and controls air intake amount after acquiring a signal of an air intake pressure sensor, transmits the calculated signal to a vehicle ECU (electronic control unit), and adjusts the oil injection pulse width of a vehicle, and the control center comprises a voltage-stabilized power supply, a single chip microcomputer, an operational amplifier circuit, an air intake pressure sensor and an induced draft fan; the air inlet pressure sensor is connected with the single chip microcomputer, the single chip microcomputer is connected with the induced draft fan and the ECU, an operational amplifier circuit is arranged between the ECU and the single chip microcomputer, a stabilized voltage power supply supplies power to a system, the air inlet pressure sensor acquires absolute pressure signals of a manifold behind a throttle valve and transmits the signals to the single chip microcomputer, the single chip microcomputer adjusts the rotating speed of the induced draft fan after calculation so as to adjust air inflow and realize air inlet pressurization, the single chip microcomputer acquires pressure signals after air inlet pressurization through the air inlet pressure sensor and transmits the calculated signals to the ECU of a vehicle, and the ECU adjusts the oil injection pulse width of the vehicle according to requirements so as to restore the power lifted by the engine to the original state and realize the purpose; when the engine runs, the induced draft fan in the air inlet hose body works, and the control center connected with the induced draft fan is sequentially connected with the automobileThe control center adjusts the rotating speed of the induced draft fan according to a signal detected by the automobile air inlet pressure sensor, and changes the air inflow, so that the air inflow of the air inlet is increased; according to the formula:
wherein, 1 and 2 are constants, 0.1 is a correction coefficient, A is the percentage for increasing the air input, B is the percentage for reducing the fuel injection quantity, and the calculated fuel injection quantity signal is transmitted to the ECU.
2. The intelligent control system for the air intake pressurization of the automobile as claimed in claim 1, wherein the single chip microcomputer is an STC series single chip microcomputer.
3. The intelligent control system for the air intake supercharging of the automobile as claimed in claim 1, wherein the operational amplifier circuit TLC2272 is an operational amplifier.
4. The intelligent control system for the air intake pressure boost of the automobile as claimed in claim 1, characterized in that the regulated power supply adopts a 78L05 voltage regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811031530.7A CN109083758B (en) | 2018-09-05 | 2018-09-05 | Intelligent control system for automobile air intake pressurization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811031530.7A CN109083758B (en) | 2018-09-05 | 2018-09-05 | Intelligent control system for automobile air intake pressurization |
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| Publication Number | Publication Date |
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| CN109083758A CN109083758A (en) | 2018-12-25 |
| CN109083758B true CN109083758B (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811031530.7A Active CN109083758B (en) | 2018-09-05 | 2018-09-05 | Intelligent control system for automobile air intake pressurization |
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| CN114673597B (en) * | 2022-03-10 | 2023-01-31 | 哈尔滨工程大学 | Diesel engine transient oil-gas cooperative control method, device and medium |
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| CN1670351A (en) * | 2004-03-17 | 2005-09-21 | 吴雄良 | Ultralow discharging electric control device of electric jetting motor and its controlling method |
| CN2883697Y (en) * | 2006-02-28 | 2007-03-28 | 杨立文 | Electronic economize switch for electrical jetting autocar |
| CN101418729A (en) * | 2007-10-22 | 2009-04-29 | 山东申普汽车控制技术有限公司 | Control method for self-regulating air input of engine |
| CN101418737A (en) * | 2007-10-22 | 2009-04-29 | 山东申普汽车控制技术有限公司 | Method for controlling air input of engine by intake pressure sensor signal |
| CN204591461U (en) * | 2015-05-08 | 2015-08-26 | 淄博维特威节油器有限公司 | Improve the device of air input of engine by air |
| CN106640440A (en) * | 2017-01-20 | 2017-05-10 | 丁宁 | Intelligent pressurizing air filter for automobile engine |
| JP2017210918A (en) * | 2016-05-25 | 2017-11-30 | 日立オートモティブシステムズ株式会社 | Engine control device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654300A (en) * | 2017-09-06 | 2018-02-02 | 尹殷善 | Naturally aspirated petrol engine lean burn fuel saving method |
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2018
- 2018-09-05 CN CN201811031530.7A patent/CN109083758B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1670351A (en) * | 2004-03-17 | 2005-09-21 | 吴雄良 | Ultralow discharging electric control device of electric jetting motor and its controlling method |
| CN2883697Y (en) * | 2006-02-28 | 2007-03-28 | 杨立文 | Electronic economize switch for electrical jetting autocar |
| CN101418729A (en) * | 2007-10-22 | 2009-04-29 | 山东申普汽车控制技术有限公司 | Control method for self-regulating air input of engine |
| CN101418737A (en) * | 2007-10-22 | 2009-04-29 | 山东申普汽车控制技术有限公司 | Method for controlling air input of engine by intake pressure sensor signal |
| CN204591461U (en) * | 2015-05-08 | 2015-08-26 | 淄博维特威节油器有限公司 | Improve the device of air input of engine by air |
| JP2017210918A (en) * | 2016-05-25 | 2017-11-30 | 日立オートモティブシステムズ株式会社 | Engine control device |
| CN106640440A (en) * | 2017-01-20 | 2017-05-10 | 丁宁 | Intelligent pressurizing air filter for automobile engine |
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| CN109083758A (en) | 2018-12-25 |
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