CN1135573A

CN1135573A - Carburetter

Info

Publication number: CN1135573A
Application number: CN 96103306
Authority: CN
Inventors: 陈海春
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-03-29
Filing date: 1996-03-29
Publication date: 1996-11-13

Abstract

The present invention relates to a fuel carburetor for internal combustion engine (diesel), comprises piezoelectric oscillator crystal, ultrasonator circuit, fuel bath, carburation cavity, fuel-feeding pipe, intake and exhaust pipes. It is characterized by using high-frequency oscillation produced by ultrasonator circuit and piezoelectric oscillator crystal to make liquid fuel vibrate and atomize, and mix it with air into a burning mixture with a certain air-fuel ratio.

Description

Carburetor

The present invention relates to a kind of internal-combustion engine (motor) fuel vaporization device, especially by piezoelectric constant vibration crystal, the Carburetor that sonic oscillation circuit, air inlet-outlet pipe etc. are formed.

The function of Carburetor is liquid gasoline atomizing and vaporization, and according to the requirement of motor different operating situation, and gasification gasoline is become the inflammable mixture of debita spissitudo with air mixing, infeeds cylinder in a quantity as required.The structure of tradition Carburetor is mechanical, promptly is made up of up to a hundred components of machine such as oil-feed system, metering-orifice, jet pipe, trunnion, mixing chamber and closures.Working principle is: air is when air-strainer and carburetor throat, because trunnion place cross section minimum, air velocity increases, and pull of vacuum also increases.Under the pull of vacuum effect, the gasoline in the float chamber sprays in the mixing chamber through metering-orifice, jet pipe in trunnion.The gasoline of ejection is dispelled the particle that nebulizes by high-speed air in trunnion, tentatively mix with air in mixing chamber.In suction tude and cylinder, further absorb heat and evaporation rapidly, make it to form inflammable mixture.Defectives such as the mechanical type Carburetor has complex structure, and it is abundant inadequately to vaporize, and oil consumption is big, and functional reliability is not strong.Hyundai Motor is for addressing the aforementioned drawbacks, adopted the electric-controlled injection technology, the mechanical part that promptly replaces gasoline atomizing such as oil-feed system in traditional Carburetor, metering-orifice, jet pipe, trunnion and concentration control etc. with the control of oil sprayer and computer, but the core of gasoline atomizing " oil sprayer " do not change dependence " pressure " and machinery types such as " nozzle openings " yet, the workpiece complexity, manufacturing technology requires high, and reliability and oil consumption are still undesirable.

The objective of the invention is can not solve the defective of fuel-oil atmozation and vaporization well at traditional Carburetor and electric-controlled injection technology, providing a kind of is the novel Carburetor of core with the excess sound pressure electric transducer, and it can provide spray pattern splendid inflammable mixture.

The object of the present invention is achieved like this: when engine operation, the direct current of storage battery or generator is by combustion gas quantity regulating potentiometer, be the supersonic oscillations circuit of core extremely with transducer (piezoelectric constant vibration crystal), piezoelectric constant vibration crystal is started working, the fuel oil that accumulates in the transducer oil groove atomizes at once, fuel through atomizing further mixes with air by admission line, finally form particle tiny, be evenly distributed and the inflammable mixture of air fuel ratio necessarily.

Core of the present invention is to utilize transducer assemblies, i.e. piezoelectric constant vibration crystal produces supersonic oscillations after energising, the fuel oil high frequency oscillation is atomized.

Circuit theory of the present invention is as follows: when engine start or work, storage battery or the above direct current of generator output 12V, 2-50A, increase pressure through transformer, the supersonic oscillations circuit that supply high frequency power transistor, inductance coil, electric capacity, diode, resistance and transducer etc. are formed behind rectifying and wave-filtering, ultrasonic oscillator work.For control fuel-oil atmozation amount, at high frequency power transistor bias circuitry is set, by potentiometer regulate high frequency power transistor base voltage, control supersonic oscillations amplitude is to regulate atomization quantity.

Fuel-oil atmozation of the present invention and quantity regulating are by the control of ultrasonic power output quantity, and this horsepower output is then regulated according to the need of work of motor.Fuel amount in the transducer oil groove is controlled by fuel level sensor.

Compared with prior art, the present invention has following advantage: (1) simple in structure, good reliability.Because the present invention has adopted ultrasound carburetion technology, machinery type has been broken away from fuel-oil atmozation, and a large amount of machinery control component are omitted, and are simple in structure, and overcome the problems such as reliability decrease that mechanical part too much brings thus.(2) fuel-oil atmozation degree height reaches energy-conservation fuel-efficient purpose.Since supersonic oscillations frequency height, fuel-oil atmozation degree height, and the detonation performance of fuel oil is good, therefore can improve the mechanical efficiency of fuel oil, saves the energy.(3) fuel is applied widely, and bigger development space is arranged.Because ultrasound has stronger adaptability to the atomization of liquid, except that gasoline, liquid fuels such as alcohol, diesel oil also can pass through ultrasonic atomization, for the development in pluralism of motor fuel provides wide space.(4) cost is low, practical.Because the ultrasonic liquid atomization technique is simple, former device count amount is few, price is low, be easy to manufacturing, has very strong practicability.

Concrete structure of the present invention is provided by following examples and accompanying drawing thereof.

Fig. 1 is Carburetor principle and the structural drawing that proposes according to the present invention.

Fig. 2 is the Carburetor sectional drawing that proposes according to the present invention.

Fig. 3 is the Carburetor electrical schematic diagram that proposes according to the present invention.

Describe the detail and the working condition of apparatus of the present invention in detail below in conjunction with Figure of description 1, accompanying drawing 2 and accompanying drawing 3.

In the Carburetor sectional drawing of the Carburetor principle of Fig. 1 and structural drawing and Fig. 2, (1) is the supersonic oscillations circuit; (2) be the transducer oil groove; (3) be the carburetion chamber; (4) be that transducer is a piezoelectric constant vibration crystal; (5) be fuel level sensor, this sensor can be mechanical, promptly as the dry reed-pipe prober, also can be electronic type, detects as triode; (6) be the fuel oil supplying tube; (7) be air intake duct; (8) be the atomizing fuel tube; (9) be storage battery; (10) be generator.

When engine operation, electric current is provided by storage battery (9) or generator (10), circuit is connected, the quantity of the interior liquid fuel of fuel level sensor (5) testing transducer oil groove (2), when fuel amount is not enough, in the transducer oil groove, send oil by fuel oil supplying tube (6), supersonic oscillations circuit (1) are started working simultaneously, transducer (4) high frequency oscillation is with the fluid oil mist formation attitude of shaking, and atomizing quantity is regulated the decision of transducer input power by the need of work of motor.The fuel oil of atomizing becomes the inflammable mixture of certain air fuel ratio with the air mixing that enters through air intake duct (7) in carburetion chamber (3), and send into cylinder through atomizing fuel tube (8).

In the Carburetor electrical schematic diagram of Fig. 3, (4) are that piezoelectric constant vibration crystal is a transducer; (5) be fuel level sensor; (11) be transformer; (12) be rectification circuit; (13) be sonic oscillation and output circuit; (14) be high frequency power transistor; (15) and (16) be atomizing control potentiometer.

When circuit is connected, transformer (11) rises to 50V with the 12V direct current of storage battery or generator, after diode is made bridge full-wave rectifier (12) to hold concurrently ultrasonic output circuit (13) power supply of sonic oscillation, high frequency power transistor (14), piezoelectric constant vibration crystal (4) and vibrator circuit work.The ultrasonic power output quantity intensity that promptly atomizes can realize by the base voltage that high frequency power transistors (14) are regulated in potentiometer (15) or (16).When fuel amount descends in fuel level sensor (5) detects the transducer oil groove, send oil to oil groove by oil pump.

Claims

1. a motor fuel vaporizing unit of being made up of piezoelectric constant vibration crystal, sonic oscillation circuit, oil groove, carburetion chamber and air inlet-outlet pipe etc. is a Carburetor, and it is characterized in that: piezoceramics crystal is transducer (4).

2. Carburetor according to claim 1 is characterized in that: be the sonic oscillation circuit of core with piezoceramics crystal (4).

3. Carburetor according to claim 1 is characterized in that: piezoceramics crystal is that transducer (4) is as in the transducer oil groove (2).

4. Carburetor according to claim 1 is characterized in that: transducer oil groove (2) and carburetion chamber (3) and air intake duct (7), fuel oil supplying tube (6), and atomizing fuel tube (8) link to each other.

5. Carburetor according to claim 1 is characterized in that: fuel level sensor (5) is set in the transducer oil groove (2).

6. Carburetor according to claim 1 is characterized in that fuel-oil atmozation intensity is realized by the base voltage of potentiometer (15) or (16) adjusting high frequency transistors (14).