Summary of the invention
In order to overcome above problem, the invention provides a kind of engine fuel instant vaporization oil supply system, comprise car running computer 3, cylinder assembly 4, air inlet passage 1, exhaust emissions passage 6, oil supply system; Wherein, the fuel oil that the oil feed pump 8 in oil supply system is carried is assigned to electronic fuel injection by solenoid valve 9, and switch controller of power supply is controlled the work of electronic fuel injection.
This engine fuel instant vaporization oil supply system comprises fuel oil carburetter, and described fuel oil carburetter (2) comprises the vaporizing unit electronic fuel injection 2-4 that is connected with solenoid valve 9 and switch controller of power supply 11; The tail gas suction port 2-5 that comprises access engine exhaust emission passage 6; Comprise tail gas exhaust port 2-11, the gasified fuel delivery outlet 2-9 that is connected in series with air inlet passage 1.
Solenoid valve 9 comprises a filler opening and two oil outlets for the time-delay three-way magnetic valve, two oil outlets respectively with the engine charge pipeline on former car electronic fuel injection 7 and fuel oil carburetter electronic fuel injection 2-4 be connected respectively.
The fuel oil carburetter structure is: comprise the shell 2-8 that is the cup shape; Lid 2-1 on shell, lid are provided with tail gas suction port 2-5, and the center is provided with the vaporizing unit electronic fuel injection; Fuel oil carburetter (2) is built-in with expansion core 2-10; The shell upper end is provided with tail gas exhaust port 2-11 and gasified fuel delivery outlet 2-9.
Described expansion core 2-10 is tube column, and the inwall annular spread has the heat release sheet 2-7 that radially arranges, and in the edge, wall circular is densely covered with radial direction through hole 2-6; There is temperature sensor probe 2-3 to be connected with car running computer 3 or switch controller of power supply 11 in expansion core.
The heat release sheet gap of expansion core is the fuel gallery, and with the corresponding connection of fuel oil carburetter electronic fuel injection and gasified fuel delivery outlet.
Circular groove 2-2 is arranged on lid, and circular groove and exhaust emissions passage 6 use arms 5 are connected, with the corresponding connection of radial direction through hole 2-6 on expansion core (2-10).
Operation control method of the present invention is:
1. motor is started working, the fuel oil that oil feed pump 8 extracts in fuel tank 10, switch controller of power supply is controlled the electronic fuel injection 2-4 of closed electromagnetic valve vaporizing unit (2), and opens former car electronic fuel injection 7, former car electronic fuel injection is started working, and fuel oil is provided for cylinder 4.
2. the high hot exhaust gas of motor generation discharges by exhaust gas channel, and wherein a part of tail gas enters fuel oil carburetter 2 by the arm on the exhaust emissions passage, and the circular groove on lid is diverted in expansion core radial direction through hole 2-6; Utilize the high temperature continuous heating expansion core of tail gas and the heat release sheet (2-7) in expansion core.
3. temperature sensor probe sends to car running computer or switch controller of power supply in real time with the temperature value on the heat release sheet.
4. the temperature on the heat release sheet meets or exceeds 200 when spending, and switch controller of power supply is controlled solenoid valve and opened the vaporizing unit electronic fuel injection, and the vaporizing unit electronic fuel injection is started working, and provides gasified fuel to cylinder; And closed former car electronic fuel injection in 1~3 second.
5. on the heat release sheet, the high temperature moment on the heat release sheet is with fuel gasification with the fuel oil splash for the vaporizing unit electronic fuel injection.
6. the fuel oil of vaporization is gushed to the air inlet passage under heating power and suction function, and with after air mixes, is inhaled into cylinder.
Beneficial effect of the present invention:
The present invention be a kind of can be the oil supplying device of carburation by evaporation with liquid fuel moment.Former car oil supply system is not made change substantially, only increases by cover vaporizing unit and a corresponding oil circuit/circuit changing switch.Utilize partial tail gas high temperature as the thermal source of vaporizing unit.After former truck system ato unit, temperature can raise gradually, when the expansion core in vaporizing unit is heated to more than 200 ℃, former car injection system automatic fuel cut-off during, outage, and switch to electronic control injection system on vaporizing unit of the present invention, former car injection system can be delayed time and automatically be cut off in 1-3 second, and is smooth and easy continuously to guarantee fuel feeding.
After the electronic control injection of vaporizing unit started, the oil mist particles splash was on the surface of high-temperature evaporator in-core, and moment at once vaporizes and is oil vapor and mixing air and enters combustor inner cylinder and do.Because the present invention can make the fuel gasification of motor be oil vapor, more can mix fully with air, fuel oil is burnt more complete in the acting process. fully, fuel consumption also will be declined to a great extent, and the exhaust emission standard of motor also will be greatly improved.
Embodiment
Lid 2-1 is provided with tail gas suction port 2-5, and the arm 5 in it and engine exhaust emission passage 6 use is communicated with.The center is provided with vaporizing unit electronic fuel injection 2-4, and temperature sensor probe 2-3.Also be provided with circular groove 2-2 on lid 2-1, so that balanced high-temperature tail gas enters expansion core 2-10.
Expansion core 2-10 is that integral type thermal conducting material or Mechanical processing of casting form, and in its edge, wall circular is densely covered with radial direction through hole 2-6, and the circular groove of corresponding lid 2-is axial aperture and evenly distributes.High-temperature tail gas evenly enters through hole 2-6 through circular groove 2-2, and thermal energy transfer to expansion core 2-10, and is contacted with the oil spray particle by the heat release sheet 2-7 that gathers and vaporizes, and gushs to air inlet passage 1 under heating power and piston suction function.
The present invention is owing to being operated in high temperature under 500-600 ℃ of environment, and all parts and Sealing all have resistant to elevated temperatures characteristic, simultaneously inside of the present invention have two separate, but not connected autonomous channel.High-temperature tail gas enters from the tail gas suction port 2-5 of lid 2-1, the through hole 2-6 of circular groove 2-2 to the expansion core 2-10 that flow through, then discharge from tail gas exhaust port 2-11.Fuel oil by the heat release sheet of expansion core inside, then enters into air inlet passage through gasified fuel delivery outlet 2-9 through the ejection of vaporizing unit electronic fuel injection.
The asphalt channel that switch controller of power supply 11 is controlled solenoid valve 9 switches, the pulse power supply of controlling again simultaneously former car electronic fuel injection 7 switches on vaporizing unit electronic fuel injection 2-4, the pulse power supply of former car electronic fuel injection is outputed on switch controller of power supply by car running computer 3, and the switching of oil circuit, circuit provides signal source to power supply changeover device 11 by temperature sensor probe 2-3.Just connection oil, circuit are started working automatically when the heat release sheet 2-7 in vaporizing unit reaches setting temperature.And former car electronic fuel injection oil circuit, circuit delay 1-3 autoshutdown in second.