CN2213863Y

CN2213863Y - Electric controlled oil-saving carburettor for automobile

Info

Publication number: CN2213863Y
Application number: CN 94243016
Authority: CN
Inventors: 崔鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-10-15
Filing date: 1994-10-15
Publication date: 1995-11-29
Anticipated expiration: 2004-10-15

Abstract

The utility model relates to an electric controlled oil-saving carburettor for an automobile, comprising an admission mixing-chamber (4), electromagnetic nozzles (1), a throttle gate (7), a sensor group (8) with a dry reed pipe, a permanent magnet (9) and an electronic control unit (13). A plurality of electromagnetic nozzles (1) controlled by the electronic control unit (13) are arranged on the periphery of the external side of the admission mixing-chamber. The output of different conditions can be delivered by the electronic control unit (13) according to the opening size of the throttle gate and signals come from different sensors to control the number of the electromagnetic nozzles participated in work, and oil supply is not affected by the pull of vacuum of an engine. The optimum component of gas mixture can be obtained by the engine when different operating conditions are arranged, so engine power is enhanced, fuel oil is saved, and the environment is purified.

Description

Electric controlled oil-saving carburettor for automobile

The utility model relates to a kind of Carburetor, is used for motor and uses, and is particularly suitable for various gasoline-fueled motors and uses.

Existing petrolic Carburetor, general poor, the process structure complexity of fuel-economizing of being used for.As homemade 231 series and H101 series Carburetor, they are made up of air inlet atomizing system, oil-feed system (containing float chamber), main oil supplying device, enrichment-system, idle system, acceleration system, starting system etc.It is installed in the air intake branch of the engine upside, and the gasoline that is provided by float chamber behind engine start is subjected to the pull of vacuum effect, by the ejection of main jet pipe, enters the firing chamber with the air mixing gasoline mixture.The atomizing of its fuel oil is to be finished by the atomizing system that is with trunnion.Intake resistance is bigger, and it is undesirable to atomize.The mixed gas that Carburetor provided adapts to the needs of various operating modes in order to guarantee motor, and the mixture strength that real meter provides so have complex structure, uses inconvenient maintenance, the shortcoming that oil-saving effect is not good far above desirable mixture strength.

The patent of Xian Institute of Highway invention be CN92232645's " Control of Automobile forced idling gasoline-saving device automatically ", by electronic control unit, rotary speed signal sensor, closure full cut-off signal emitter and normally closed Fuel Cut Solenoid Valve constitute.The needle of normally closed Fuel Cut Solenoid Valve is controlled automatically by electronic control unit, when motor is in forced idling mode, needle cuts off the asphalt channel of carbureter main jet automatically, and when motor was in optional idling operation, needle was opened the asphalt channel of carbureter main jet automatically.Realized the automatic fuel-economizing of gasoline car forced idling.Though this device energy fuel-economizing, just on the basis of former Carburetor, increased the forced idling gasoline-saving device, fundamentally do not solve the mixed gas that Carburetor provides,, have to suitably increase mixture strength and the fuel oil wasted for the needs of slyness with the different operating modes of transition.Its fuel-economizing degree is not high enough.

The patent of invention CN85107663 of Amada Co., Ltd. Hitachi " automotive fuel supply device " is made up of electromagnetic injection valve and ultrasonator two-part.Electromagnetic injection valve is used for fuel metering and be used for fueling, realizes atomizing by ultrasonator, though this device can well atomize and fuel-economizing, structure is too complicated, and the cost height needs carry out bigger change to engine structure.Therefore, poor practicability.

The purpose of this utility model is exactly at the oil-saving effect that exists in the above-mentioned prior art is not good, process structure is complicated and lack problem such as practicability, a kind of automobile electrically-controlled fuel-economizing Carburetor is provided, make and supply with the influence that fuel oil is not subjected to engine charge suction, and can be according to the best mixed gas composition of different operating mode preparations of motor.Make motor that good transitionality and acceleration be arranged, and oil-break can realize sliding the time, thereby increased the power of motor, improved the Economy of fuel oil, reduced intake resistance, improved the adaptive capacity of motor the plateau section.

The technical solution of the utility model is: automobile electrically-controlled fuel-economizing Carburetor is by electronic control unit, and electromagnetism nozzle, dry reed-pipe sensor groups, permanent magnet, air inlet mixing chamber, closure are formed.The electromagnetism nozzle be placed in air inlet mixing chamber outer wall around, and stretch in the air inlet mixing chamber with nozzle, its side has an aperture to be connected with fuel channel.Dry reed-pipe sensor groups and permanent magnet are placed in a side of Carburetor in the lump, its permanent magnet and closure interlock.

On the electromagnetic coil of electromagnetism nozzle, apply and decide the frequency pulsed voltage, just can make and inhale behind the needle-valve and vibration, make the level pressure fuel oil by spout with vaporific ejection, become gasoline mixture to enter cylinder at the air inlet mixing chamber with air mixing.Behind the automobile starting along with the increase of throttle opening and the permanent magnet corresponding sports of its interlock.And be contained in dry reed-pipe in the dried spring sensor groups on permanent magnet limit under the effect of magnetic force, the output of electronic control unit is being controlled in respective closed or disconnection, under the control of electronic control unit, the quantity that the electromagnetism nozzle is worked increases, and reaches the constant purpose of air fuel ratio.

Automobile electrically-controlled fuel-economizing Carburetor one-piece element adopts cast aluminium or other engineering plastics to make.Gasoline mixture passage lower end is provided with flange plate, can connect with engine air inlet tube.The required power supply of the electronic control unit of automatically controlled fuel-economizing Carburetor is provided by vehicle itself.Therefore the utlity model has advantages such as manufacturing process is simple, cost is low, easy to install and use.And owing to adopt nozzle direct injection fuel oil, be controlled by an electronic control unit the discharge rate size, fuel feeding is not subjected to the influence of degree of vacuum in the mixing chamber, thereby makes motor according to good transitionality and acceleration are arranged, reduced intake resistance, improved the adaptive capacity of motor the plateau section.Adopt the utility model, cylinder intake air quantity is increased, increased the power 5-10% of motor, fuel-economizing 10-25% has reduced the pollution of automobile to environment.

Describe structure of the present utility model and working principle in detail below in conjunction with drawings and Examples.

Accompanying drawing 1 is a structural representation of the present utility model;

Accompanying drawing 2 is the sectional view in A-A cross section among Fig. 1;

Accompanying drawing 3 is embodiment's system architecture schematic representation;

Accompanying drawing 4 is an electromagnetism nozzle arrangements schematic representation.

Automobile electrically-controlled fuel-economizing Carburetor is by air inlet mixing chamber (4), electromagnetism nozzle (1), and closure (7), dry reed-pipe sensor groups (8), permanent magnet (9), electronic control unit (18) is formed.Closure (7) is placed in the top of air inlet mixed gas (4), is used for regulating air inflow, and has a connecting rod to link to each other with permanent magnet (9) in a side of axle, makes its interlock.Permanent magnet (9) and dried spring sensor groups (8) are placed in a side of air inlet mixing chamber jointly, air inlet mixing chamber outside has an oil-feed interface (5) can inject the level pressure fuel oil, oil-feed interface (5) communicates with oil duct (6) spout (3), when the electromagnetism nozzle was not worked, the path between oil duct (6) and the spout (3) was turn-offed by needle-valve (2).

Settle the identical electromagnetism nozzle of these a plurality of structures in air inlet mixing chamber middle part outer periphery, each electromagnetism nozzle is all by electromagnetic coil (11), return spring (12), and needle-valve (2) and interface (10) are formed.Electromagnetic coil (11) is connected by the same electronic control unit of lead (13) and controlled by it.Be used to regulate fuel delivery, return spring is with so that needle-valve (2) playback, interface (10) with so that electromagnetism nozzle (1) and carburetor main body (21) join.

Dried spring sensor groups (8) is made up of a plurality of dried spring sensors and is had lead to be connected with electronic control unit in order to control the output of electronic control unit.

Permanent magnet (9) be placed in dried spring sensor groups the outside and with closure (7) interlock, be used to make the action of dried spring sensor and closure synchronous.

The power supply of electronic control unit is provided by the own storage battery of automobile (19), its input signal is from cooling-water temperature sensor (20), speed probe (22) and activating signal sensor (23) and dried spring sensor groups (8), the negative electromagnetic coil (11) that is truncated into of its output.

The working principle of automobile electrically-controlled fuel-economizing Carburetor: the gasoline in the fuel reserve tank (15) is sent to fuel pump (17) through gasoline filter (16), under the effect of fuel pump, the level pressure fuel oil is sent to the oil-feed interface (5) on the Carburetor (21), behind the engine start, by electronic control unit output certain frequency pulsed voltage, give electromagnetic coil (11), under the effect of magnetic force, after needle-valve (2) is attracted to, compression retracteding position spring (12), oil duct (6) is communicated with spout (3), and the level pressure fuel oil becomes gasoline mixture to enter cylinder with vaporific spraying in the air inlet mixing chamber with air mixing.Signal from start sensor (23) during vehicle starting increases the output of electronic control unit (18), and the corresponding fuel injection quantity that increased has improved mixture strength, has guaranteed disposable starting.Starting the back is low-temperature signal as the signal from cooling-water temperature sensor (20), this signal can make the corresponding increase of output of electronic control unit (18), thereby strengthened mixture strength, so when low temperature running operating mode, this device can improve mixture strength automatically accelerates the heat of giving of motor.

When automobile is in forced idling mode, throttle opening is minimum, this moment Tathagata when the signal of speed probe (22) is higher than the numerical value of regulation, electronic control unit (18) is no-output when this operating mode, thereby but when the car enforce idling operation automatic fuel cut-off during.When motor is in negative greatly and operating mode, this moment, throttle opening was maximum, dry reed-pipe respective closed in the dried spring sensor groups (8), provide closure big aperture signal for electronic control unit (18), as this moment be the slow-speed of revolution from the signal of speed probe, when this operating mode, electronic control unit output increases the corresponding mixture strength that increased.Guaranteed the performance of maximum power, during the motor proper functioning, along with the variation of closure (7) aperture and the permanent magnet (9) of its interlock also are synchronized with the movement, make the dry reed-pipe respective closed in the dried spring sensor groups (8), controlling the output of electronic control unit (18), the quantity that the electromagnetism nozzle is worked also changes, thereby has regulated the size of fuel delivery, has guaranteed the constant of air inlet gasoline air mixture ratio.

Claims

1, a kind of automobile electrically-controlled fuel-economizing Carburetor is characterized in that: automobile electrically-controlled fuel-economizing Carburetor is by air inlet mixing chamber (4), electromagnetism nozzle (1), closure (7), dry reed-pipe sensor groups (8), and permanent magnet (9), electronic control unit (13) is formed.Electronic control unit (13) in order to the instruction electromagnetism nozzle (1) work and work each the number what.When closure (7) aperture changes and permanent magnet (9) corresponding sports of its interlock, make dry reed-pipe respective closed or disconnection in the dry reed-pipe sensor groups (8), thereby control electronic control unit (13) has troubles.