CN112392607A - Method for improving fuel combustion efficiency of engine and engine control system - Google Patents

Method for improving fuel combustion efficiency of engine and engine control system Download PDF

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Publication number
CN112392607A
CN112392607A CN202011384865.4A CN202011384865A CN112392607A CN 112392607 A CN112392607 A CN 112392607A CN 202011384865 A CN202011384865 A CN 202011384865A CN 112392607 A CN112392607 A CN 112392607A
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oxygen
engine
vehicle
air
oxygen concentration
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CN202011384865.4A
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Chinese (zh)
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王岩磊
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Individual
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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
    • F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
    • F02D29/02—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
    • B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
    • H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
    • H01M8/0656—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants by electrochemical means
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

The invention provides an engine control system, which comprises an engine, an electrolysis device, a vehicle main battery, a vehicle auxiliary battery and a vehicle running computer, wherein the oxygen concentration of oxygen-enriched air entering a combustion chamber of the engine is higher than that of air, so that fuel oil sprayed into the combustion chamber from an oil nozzle is combusted more fully under the combustion supporting action of high-concentration oxygen, the combustion efficiency of the engine fuel oil is improved, carbon monoxide and soot particles generated by insufficient combustion of the fuel oil are reduced, and the pollution to the environment is reduced; in addition, hydrogen generated by the electrolysis device enters the vehicle auxiliary battery through a recovery pipeline for recycling of the vehicle auxiliary battery; not only achieves the recycling of energy, but also improves the combustion efficiency of the fuel oil of the engine. The invention also provides a method for improving the fuel combustion efficiency of the engine by means of the engine control system.

Description

Method for improving fuel combustion efficiency of engine and engine control system
Technical Field
The invention relates to the technical field of automobile engines, in particular to a method for improving the fuel combustion efficiency of an engine and an engine control system.
Background
Part of fuel oil (gasoline or diesel oil) in a combustion chamber of an automobile engine is not fully combusted in the combustion process, and the completely unburnt fuel is directly discharged from an exhaust pipe of the automobile, so that resource waste is caused.
The above background disclosure is only for the purpose of assisting understanding of the inventive concept and technical solutions of the present invention, and does not necessarily belong to the prior art of the present patent application, and should not be used for evaluating the novelty and inventive step of the present application in the case that there is no clear evidence that the above content is disclosed at the filing date of the present patent application.
Disclosure of Invention
The present invention is directed to a method and an engine control system for improving the fuel combustion efficiency of an engine to solve the above problems.
In order to achieve the purpose, the invention adopts the technical scheme that: an engine control system comprises an engine, an electrolysis device, a vehicle main battery, a vehicle auxiliary battery and a vehicle running computer;
the electrolysis device comprises a closed container, a first metal sheet and a second metal sheet are arranged in the container, electrolytic liquid is contained in the container, a positive electrode and a negative electrode of a vehicle main battery are respectively in conductive connection with the first metal sheet and the second metal sheet through leads, the vehicle main battery, the first metal sheet, the second metal sheet and electrolyte form a closed power-on loop, an oxygen collecting cover is covered above the first metal sheet, a hydrogen collecting cover is covered above the second metal sheet, the hydrogen collecting cover is communicated with a vehicle auxiliary battery through a recovery pipeline, and the vehicle auxiliary battery is connected with the vehicle main battery through leads;
the engine comprises a cylinder, a piston, a connecting rod and an oil nozzle, wherein the cylinder is provided with an air inlet and an air outlet, the air inlet is connected with an air inlet pipeline, the air outlet is connected with an air outlet pipeline, a combustion chamber is arranged in the cylinder, and the oxygen collecting cover is communicated with a branch led out from the air inlet pipeline through an air guide pipe; an oxygen concentration sensor is arranged on the air inlet pipeline and is connected with a vehicle running computer through a signal wire; the air guide pipe is provided with a one-way valve and a booster pump, the booster pump is connected with a vehicle traveling computer through a signal wire, and the vehicle traveling computer sends a flow adjusting signal to the booster pump and adjusts the flow of oxygen flowing through the air guide pipe by controlling the booster pump; the closed power-on loop is connected with a voltage regulator in series through a lead, and the voltage regulator is connected with a vehicle running computer through a signal wire.
Further, the vehicle auxiliary battery is a hydrogen fuel cell, and the vehicle main battery is a storage battery.
Further, the voltage regulator is a circuit board including a plurality of MOSFETs.
A method for improving the fuel combustion efficiency of an engine by means of the engine control system comprises the following steps:
firstly, starting an engine, inputting direct current output by a vehicle main battery into an electrolysis device when the engine runs, guiding oxygen generated by the electrolysis device into an air inlet pipeline through an air guide pipe, mixing air entering from the air inlet pipeline with oxygen flowing into the air inlet pipeline to form oxygen-enriched air, then enabling the oxygen-enriched air to enter a combustion chamber of the engine, and finally discharging tail gas generated after fuel oil in the combustion chamber through an exhaust pipeline; meanwhile, hydrogen generated by the electrolysis device enters the auxiliary battery of the vehicle through a recovery pipeline;
the oxygen concentration sensor detects the oxygen concentration in the oxygen-enriched air, converts an oxygen concentration signal into an oxygen concentration electric signal and sends the oxygen concentration electric signal to the vehicle driving computer, the vehicle driving computer processes the oxygen concentration electric signal and respectively sends a current adjusting signal and a flow adjusting signal to the voltage regulator and the booster pump according to the oxygen concentration in the oxygen-enriched air, the voltage regulator regulates the on-off and the size of the current in the closed power-on loop, and the booster pump regulates the flow of the oxygen flowing through the air guide tube so as to change the oxygen concentration in the oxygen-enriched air.
In the engine control system, the oxygen concentration in the oxygen-enriched air entering the combustion chamber of the engine is higher than the oxygen concentration in the air, so that the fuel oil sprayed into the combustion chamber from the fuel spray nozzle is combusted more fully under the combustion supporting action of the high-concentration oxygen, the combustion efficiency of the fuel oil of the engine is improved, carbon monoxide and soot particles generated by insufficient combustion of the fuel oil are reduced, and the pollution to the environment is reduced; in addition, hydrogen generated by the electrolysis device enters the vehicle auxiliary battery through a recovery pipeline for recycling of the vehicle auxiliary battery; not only achieves the recycling of energy, but also improves the combustion efficiency of the fuel oil of the engine.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic block diagram of an engine control system in accordance with a preferred embodiment of the present invention;
in the figure: the device comprises an engine 1, an air inlet pipeline 10, an air inlet 11, a cylinder 12, an exhaust port 13, a piston 14, a connecting rod 15, an oil nozzle 16, an exhaust pipeline 17, a combustion chamber 18, an electrolysis device 2, a container 21, a first metal sheet 22, a second metal sheet 23, an air guide pipe 24, an oxygen collecting cover 25, a hydrogen collecting cover 26, a recovery pipeline 27, a vehicle auxiliary battery 31, a vehicle main battery 32, a vehicle running computer 4, an oxygen concentration sensor 5, a voltage regulator 6, a one-way valve 7 and a booster pump 8.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings and examples, which are simplified schematic drawings and illustrate only the basic structure of the invention in a schematic manner, and thus show only the constituents relevant to the invention.
As shown in fig. 1, an engine control system according to a preferred embodiment of the present invention includes an engine 1, an electrolysis device 2, a vehicle main battery 32, a vehicle auxiliary battery 31, and a vehicle running computer (ECU) 4.
The electrolyzer 2 comprises a closed container 21, wherein a first metal sheet 22 and a second metal sheet 23 are arranged in the container 21, and electrolytic liquid which can be water or other aqueous solutions is injected into the container through a filling opening of the container 21. The positive electrode and the negative electrode of the vehicle main battery 32 are respectively in conductive connection with the first metal sheet 22 and the second metal sheet 23 through leads, so that the vehicle main battery 32, the first metal sheet 22, the second metal sheet 23 and the electrolyte form a closed electrified loop. During electrolysis, the first metal sheet 22 generates oxygen and the second metal sheet 23 generates hydrogen. Specifically, an oxygen collecting cover 25 is covered above the first metal sheet 22, and a hydrogen collecting cover 26 is covered above the second metal sheet 23.
The engine 1 includes a cylinder 12, a piston 14, a connecting rod 15, and an oil jet 16. The cylinder 12 is provided with an intake port 11 and an exhaust port 13, the intake port 11 is connected to one end of an intake duct 10, the exhaust port 13 is connected to an exhaust duct 17, and a combustion chamber 18 is provided in the cylinder 12. The oxygen collecting cover 25 is communicated with a branch led out from the air inlet pipeline 10 through an air guide pipe 24, oxygen generated by the electrolysis device 2 is guided into the air inlet pipeline 10 through the air guide pipe 24, air entering from the other end of the air inlet pipeline 10 is mixed with oxygen flowing in from the air guide pipe 24 to form oxygen-enriched air, the oxygen-enriched air formed by mixing the air and the oxygen enters the combustion chamber 18 of the engine 1 together, the oxygen concentration in the oxygen-enriched air is higher than that in the air, so that fuel oil sprayed into the combustion chamber 18 from the oil spray nozzle 16 is more fully combusted under the combustion supporting action of the high-concentration oxygen, the fuel oil combustion efficiency of the engine is improved, carbon monoxide and soot particles generated due to insufficient combustion of the fuel oil are reduced, and the pollution to the environment is reduced. The exhaust gases from the combustion of the fuel in the combustion chamber 18 are finally discharged via the exhaust line 17.
Further, in the present embodiment, the vehicle auxiliary battery 31 is a hydrogen fuel battery, which can convert chemical energy into electrical energy, and the hydrogen collecting cover 26 is communicated with the vehicle auxiliary battery 31 through the recycling pipe 27, so that hydrogen generated by the second metal sheet 23 enters the vehicle auxiliary battery 31 through the recycling pipe 27 for recycling by the hydrogen fuel battery; the vehicle main battery 32 is a storage battery, the vehicle auxiliary battery 31 is connected with the vehicle main battery 32 through a lead, and the vehicle auxiliary battery 31 can charge the vehicle main battery 32 and supplement electric energy consumed by the vehicle main battery 32 in time.
Further, be equipped with oxygen concentration sensor 5 on the admission line 10, oxygen concentration sensor 5 passes through the signal line and is connected with vehicle driving computer 4, oxygen concentration sensor 5 can detect the oxygen concentration in the air and the oxygen gas mixture to convert the oxygen concentration signal into the oxygen concentration signal and send for vehicle driving computer 4, so that vehicle driving computer 4 handles above-mentioned oxygen concentration signal and adjusts booster pump 8 and electrolysis current according to the size of oxygen concentration in the gas mixture, and then adjusts the output of oxygen among the electrolytic device 2 and the flow of oxygen in the air duct 24 of flowing through, make the oxygen concentration in the oxygenation air change.
Furthermore, the air duct 24 is provided with a check valve 7 and a booster pump 8, the booster pump 8 is connected with the vehicle traveling computer 4 through a signal line, the vehicle traveling computer 4 sends a flow adjusting signal to the booster pump 8, and the flow of oxygen flowing through the air duct 24 is adjusted by controlling the booster pump 8.
Furthermore, the invention also comprises a voltage regulator 6 which is connected in series with the closed power-on loop through a lead, wherein the voltage regulator 6 is connected with the vehicle running computer 4 through a signal wire; specifically, the voltage regulator 6 may be a circuit board including a plurality of MOSFETs, and the on-time of the voltage regulator 6 is controlled by a current regulation signal sent by the vehicle computer 4, so as to control the on-off and the magnitude of the current in the closed power-on loop; the higher the current, the higher the rate at which the electrolyzer 2 electrolytically generates hydrogen and oxygen, and thus the hydrogen and oxygen output can be conveniently regulated.
The invention also provides a method for improving the fuel combustion efficiency of the engine by means of the engine control system, which comprises the following steps:
firstly, the engine 1 is started, when the engine 1 runs, direct current output by a vehicle main battery 32 is input into the electrolysis device 2, oxygen generated by electrolysis of a first metal sheet 22 of the electrolysis device 2 is introduced into the air inlet pipeline 10 through the air guide pipe 24, then air entering from the air inlet pipeline 10 is mixed with oxygen flowing into the air inlet pipeline 10 to form oxygen-enriched air, then the oxygen-enriched air enters the combustion chamber 18 of the engine 1, and tail gas generated after combustion of fuel in the combustion chamber 18 is finally discharged through the exhaust pipeline 17; meanwhile, hydrogen generated by the electrolysis of the second metal sheet 23 of the electrolysis device 2 enters the vehicle auxiliary battery 31 through the recovery pipeline 27 for the hydrogen fuel cell to recycle;
in addition, the oxygen concentration sensor 5 detects the oxygen concentration in the oxygen-enriched air, converts an oxygen concentration signal into an oxygen concentration electric signal and sends the oxygen concentration electric signal to the vehicle running computer 4, and the vehicle running computer 4 processes the oxygen concentration electric signal and respectively sends a current adjusting signal and a flow adjusting signal to the voltage regulator 6 and the booster pump 8 according to the oxygen concentration in the oxygen-enriched air so as to adjust the on-off and the magnitude of the current in the closed power-on loop and the oxygen flow flowing through the air duct 24, thereby changing the oxygen concentration in the oxygen-enriched air.
In the engine control system, the oxygen concentration in the oxygen-enriched air entering the combustion chamber 18 of the engine 1 is higher than the oxygen concentration in the air, so that the fuel oil sprayed into the combustion chamber 18 from the fuel spray nozzle 16 is more fully combusted under the combustion supporting action of the high-concentration oxygen, the combustion efficiency of the engine fuel oil is improved, carbon monoxide and soot particles generated by insufficient combustion of the fuel oil are reduced, and the pollution to the environment is reduced; in addition, hydrogen generated by electrolysis of the electrolysis device 2 enters the vehicle auxiliary battery 31 through the recovery pipeline 27 for recycling of the hydrogen fuel battery, so that not only is energy recycling achieved, but also the combustion efficiency of engine fuel is improved.
The above descriptions of the embodiments of the present invention, which are not related to the above description, are well known in the art, and may be implemented by referring to the well-known technologies.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (4)

1. An engine control system characterized in that: comprises an engine, an electrolysis device, a vehicle main battery, a vehicle auxiliary battery and a vehicle running computer;
the electrolysis device comprises a closed container, a first metal sheet and a second metal sheet are arranged in the container, electrolytic liquid is contained in the container, a positive electrode and a negative electrode of a vehicle main battery are respectively in conductive connection with the first metal sheet and the second metal sheet through leads, the vehicle main battery, the first metal sheet, the second metal sheet and electrolyte form a closed power-on loop, an oxygen collecting cover is covered above the first metal sheet, a hydrogen collecting cover is covered above the second metal sheet, the hydrogen collecting cover is communicated with a vehicle auxiliary battery through a recovery pipeline, and the vehicle auxiliary battery is connected with the vehicle main battery through leads;
the engine comprises a cylinder, a piston, a connecting rod and an oil nozzle, wherein the cylinder is provided with an air inlet and an air outlet, the air inlet is connected with an air inlet pipeline, the air outlet is connected with an air outlet pipeline, a combustion chamber is arranged in the cylinder, and the oxygen collecting cover is communicated with a branch led out from the air inlet pipeline through an air guide pipe; an oxygen concentration sensor is arranged on the air inlet pipeline and is connected with a vehicle running computer through a signal wire; the air guide pipe is provided with a one-way valve and a booster pump, the booster pump is connected with a vehicle traveling computer through a signal wire, and the vehicle traveling computer sends a flow adjusting signal to the booster pump and adjusts the flow of oxygen flowing through the air guide pipe by controlling the booster pump; the closed power-on loop is connected with a voltage regulator in series through a lead, and the voltage regulator is connected with a vehicle running computer through a signal wire.
2. The engine control system according to claim 1, characterized in that: the vehicle auxiliary battery is a hydrogen fuel cell, and the vehicle main battery is a storage battery.
3. The engine control system according to claim 2, characterized in that: the voltage regulator is a circuit board including a plurality of MOSFETs.
4. A method of improving the fuel economy of an engine by means of an engine control system as claimed in any one of claims 1 to 3, wherein: the method comprises the following steps:
firstly, starting an engine, inputting direct current output by a vehicle main battery into an electrolysis device when the engine runs, guiding oxygen generated by the electrolysis device into an air inlet pipeline through an air guide pipe, mixing air entering from the air inlet pipeline with oxygen flowing into the air inlet pipeline to form oxygen-enriched air, then enabling the oxygen-enriched air to enter a combustion chamber of the engine, and finally discharging tail gas generated after fuel oil in the combustion chamber through an exhaust pipeline; meanwhile, hydrogen generated by the electrolysis device enters the auxiliary battery of the vehicle through a recovery pipeline;
the oxygen concentration sensor detects the oxygen concentration in the oxygen-enriched air, converts an oxygen concentration signal into an oxygen concentration electric signal and sends the oxygen concentration electric signal to the vehicle driving computer, the vehicle driving computer processes the oxygen concentration electric signal and respectively sends a current adjusting signal and a flow adjusting signal to the voltage regulator and the booster pump according to the oxygen concentration in the oxygen-enriched air, the voltage regulator regulates the on-off and the size of the current in the closed power-on loop, and the booster pump regulates the flow of the oxygen flowing through the air guide tube so as to change the oxygen concentration in the oxygen-enriched air.
CN202011384865.4A 2020-12-02 2020-12-02 Method for improving fuel combustion efficiency of engine and engine control system Pending CN112392607A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011384865.4A CN112392607A (en) 2020-12-02 2020-12-02 Method for improving fuel combustion efficiency of engine and engine control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011384865.4A CN112392607A (en) 2020-12-02 2020-12-02 Method for improving fuel combustion efficiency of engine and engine control system

Publications (1)

Publication Number Publication Date
CN112392607A true CN112392607A (en) 2021-02-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011384865.4A Pending CN112392607A (en) 2020-12-02 2020-12-02 Method for improving fuel combustion efficiency of engine and engine control system

Country Status (1)

Country Link
CN (1) CN112392607A (en)

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