CN201292888Y - Electric-controlled integration apparatus of carburetor - Google Patents

Abstract

The utility model discloses a carburetor electrical control integrated device which relates to a motor vehicle carburetor electrical control air supply technology. An output port of an air filter (5) is communicated with a throat inlet pipe of an electrical control carburetor (4) provided with two auxiliary gas passages and an electromagnetic valve, and a mixed gas outlet of the electrical control carburetor (4) provided with the two auxiliary gas passages and the electromagnetic valve is communicated with an air inlet pipe (3). A bolt passes through a hole of a flange of the air inlet pipe (3) and then is engaged with an inner thread of an installation hole of an engine (1). A signal wire of a duty ratio electromagnetic valve (14) is connected with a duty ratio electromagnetic valve interface of an ECU controller (6), and a lower end desorption pipe (10) of a desorption electromagnetic valve (7) provided with a fuel inlet (8) is communicated with a fuel evaporation desorption port of the electrical control carburetor (4) provided with the two auxiliary gas passages and the electromagnetic valve. The fuel inlet (8) of the desorption electromagnetic valve (7) is communicated with a carbon tank desorption port, and the signal wire of the desorption electromagnetic valve (7) is connected with a desorption electromagnetic valve interface of the ECU controller (6). The carburetor electrical control integrated device has the characteristics of simple and compact structure, convenient fabrication and assembly, obvious energy-saving and emission-reduction effects, and the like.

Description

Automatically controlledization of Carburetor integrated device

One, technical field

The utility model relates to motor vehicle Carburetor electric controlled gas-compensation technology, especially a kind of automatically controlledization of Carburetor integrated device.

Two, background technique

Usually, the fuel feeding curve of Carburetor motorcycle is determined by the Carburetor configuration, fuel feeding tracing analysis from Carburetor, the desirable fuel delivery and the air fuel ratio of Carburetor only account for below 40% of engine design speed range, and the speed range oil mass more than 60% of engine working process and air fuel ratio all are in overrich or rare excessively imperfect shape, cause occurring problem such as oil consumption and discharge amount of exhaust gas be excessive.

The electric controlled energy saving cleaning plant of existing automobile and motorcycle, the following problem of ubiquity: the solenoid valve operational noise in the device is bigger, and the driving force of solenoid valve, sensitivity, durability and reliability are all not ideal enough, so that have influence on the performance and the durability of whole device, reliability.The software of electronic controller in the device is not easy to dissimilar field adjustable and the couplings flexibly of carrying out at automobile and motorcycle in addition, also is not easy to carry out from now on software upgrading.On September 13rd, 2006, publication number CN2816384Y, " electric controlled energy saving cleaning plant that a kind of motor vehicle are general " patented technology is disclosed, adopt solenoid valve to be fixed on the indoor mechanical structure of clean air of air filter, exist and reduce the clean air chamber volume, gather deficiencys such as signal is few simultaneously.

Three, summary of the invention

The purpose of this utility model provides electronic control performance element and Carburetor is integrated, utilized electromechanical integration technology, form a novel electronic controlled carburetor integrated device, be provided with the electronic controlled carburetor of two auxiliary ports and solenoid valve and the desorption solenoid valve of control fuel evaporation control system, use the ECU controller and regulate the air fuel ratio of control Carburetor automatically, and it is better that fuel-oil atmozation is got, promote the engine working process fuel vapor to obtain more abundant burning, engine working process is implemented emission controls by improving combustion to be handled, can improve the transformation efficiency of catalyst in the external purification device by the automatic adjusting of air fuel ratio, the full operating mode process of control motor is in desirable emission level under to be moved.

Technological scheme that the purpose of this utility model adopts is, comprises on the magnetogenerator magnetogenerator of motor being connected to magnetogenerator line trigger signal one end, the magnetogenerator trigger signal interface of another termination of magnetogenerator line trigger signal ECU controller; The cylinder head temperature sensor interface that the output of the cylinder head temperature transducer that engine cylinder cover is installed connects the ECU controller connects; Positive source is connected ECU controller input positive terminal, and ground wire connects ECU controller ground line end; The valve base mounting hole that has the electronic controlled carburetor of two auxiliary ports and solenoid valve is equipped with duty solenoids; Desorption solenoid valve, air-strainer, suction tude; The delivery outlet of its described air-strainer communicates with the trunnion inlet pipe of the electronic controlled carburetor that has two auxiliary ports and solenoid valve, the mixed gas air outlet that has the electronic controlled carburetor of two auxiliary ports and solenoid valve communicates with suction tude, bolt passes the hole of suction tude flange plate and the mounting hole internal thread engagement of motor, the signaling line of duty solenoids is connected with the duty solenoids interface of ECU controller, the lower end desorption pipe that has the desorption solenoid valve of fuel oil suction port communicates with the fuel evaporation desorption mouth of the electronic controlled carburetor that has two auxiliary ports and solenoid valve, the fuel oil suction port of desorption solenoid valve communicates with canister desorption mouth, and the signaling line of desorption solenoid valve is connected with the desorption solenoid valve interface of ECU controller.

The utility model adopts electronic controller ECU control unit, is equivalent to control command center, and ECU carries out the information of collecting the A/D conversion, handles, analyzes, and sends work order to executive component duty solenoids, desorption solenoid valve respectively after the calculating; Sensor is the information gathering element, and the parameter informations such as oxygen content that collect air density, combustion temperature, engine speed and the combustion gas of correlation engine working procedure respectively in real time feed back in the ECU controller to be handled; Solenoid valve is an executive component, has two solenoid valves, and one is duty solenoids, is installed in the newly-increased auxiliary port of Carburetor on the valve base; Another is the desorption solenoid valve, and the suction port of desorption solenoid valve is connected with the desorption mouth of canister in the EVAP Evaporative System, and the air outlet is connected with carburetor fuel evaporation desorption mouth (entering combustion chamber side).

The utility model working procedure: air fuel ratio of regulating fuel mixture and the desorption work of carrying out fuel evaporation control system are opened in the instruction that automatically controlledization of Carburetor integrated device sends by the ECU controller, desorption solenoid valve and duty solenoids timely and appropriate discovery respectively.And the instruction of ECU controller is to send after the real-time working condition state computation according to motor, its working principle be parameter feedback by the lambda sensor collection and each other sensor acquisition to motor real-time working information after carry out the analytical calculation correction, send work order accurately to two solenoid valves then, instant on the one hand air fuel ratio of regulating the Carburetor mixed gas, the electromagnetism that in good time starts EVAP Evaporative System closes desorption on the other hand, implement control in real time, not only implement emission controls by improving combustion but also the λ value of the waste gas of discharge is controlled between 0.97～1.03, the assurance catalyst is in the work of high conversion state all the time, reaches the toxic emission value is controlled at effect in the EUROIII Emission Standard scope.

The utlity model has simple and compact for structure, make easy to assembly, characteristics such as its effects of energy saving and emission reduction is obvious.

Four, description of drawings

Further specify the utility model below in conjunction with accompanying drawing.

Fig. 1 is the utility model example structure schematic representation.

Among the figure: 1-motor 2-magnetogenerator 3-suction tude 4-has the empty clear filter cleaner 6-ECU controller 7-desorption solenoid valve 8-fuel oil suction port 9-cylinder head temperature transducer 10-desorption pipe 11-positive source 12-ground wire 13-magnetogenerator line trigger signal 14-duty solenoids of electronic controlled carburetor 5-of two auxiliary ports

Five, embodiment

As shown in Figure 1, comprise on magnetogenerator 2 magnetogenerators of motor 1 and be connected to magnetogenerator line trigger signal 13 1 ends, the magnetogenerator trigger signal interface of magnetogenerator line trigger signal 13 another termination ECU controllers 6; The cylinder head temperature sensor interface that the output of the cylinder head temperature transducer 9 that motor 1 cylinder cap is installed connects ECU controller 6 connects; Positive source 11 is connected ECU controller 6 input positive terminals, and ground wire 12 connects ECU controller 7 ground terminals; The valve base mounting hole that has the electronic controlled carburetor 4 of two auxiliary ports and solenoid valve is equipped with duty solenoids 14; Desorption solenoid valve 7, air-strainer 5, suction tude 3; The delivery outlet that it is characterized in that described air-strainer 5 communicates with the trunnion inlet pipe of the electronic controlled carburetor 4 that has two auxiliary ports and solenoid valve, the mixed gas air outlet that has the electronic controlled carburetor 4 of two auxiliary ports and solenoid valve communicates with suction tude 3, bolt passes the hole of suction tude 3 flange plate and the mounting hole internal thread engagement of motor 1, the signaling line of duty solenoids 14 is connected with the duty solenoids interface of ECU controller 6, the lower end desorption pipe 10 that has the desorption solenoid valve 7 of fuel oil suction port 8 communicates with the fuel evaporation desorption mouth of the electronic controlled carburetor 4 that has two auxiliary ports and solenoid valve, the fuel oil suction port 8 of desorption solenoid valve 7 communicates with canister desorption mouth, and the signaling line of desorption solenoid valve 7 is connected with the desorption solenoid valve interface of ECU controller 6.

Claims (1)

1, a kind of automatically controlledization of Carburetor integrated device comprises on magnetogenerator (2) magnetogenerator of motor (1) being connected to magnetogenerator line trigger signal (13) one ends, the magnetogenerator trigger signal interface of magnetogenerator line trigger signal (13) another termination ECU controller (6); The cylinder head temperature sensor interface that the output of the cylinder head temperature transducer (9) that motor (1) cylinder cap is installed connects ECU controller (6) connects; Positive source (11) is connected ECU controller (6) input positive terminal, and ground wire (12) connects ECU controller (7) ground terminal; The valve base mounting hole that has the electronic controlled carburetor (4) of two auxiliary ports and solenoid valve is equipped with duty solenoids (14); Desorption solenoid valve (7), air-strainer (5), suction tude (3); The delivery outlet that it is characterized in that described air-strainer (5) communicates with the trunnion inlet pipe of the electronic controlled carburetor (4) that has two auxiliary ports and solenoid valve, the mixed gas air outlet that has the electronic controlled carburetor (4) of two auxiliary ports and solenoid valve communicates with suction tude (3), bolt passes the hole of suction tude (3) flange plate and the mounting hole internal thread engagement of motor (1), the signaling line of duty solenoids (14) is connected with the duty solenoids interface of ECU controller (6), the lower end desorption pipe (10) that has the desorption solenoid valve (7) of fuel oil suction port (8) communicates with the fuel evaporation desorption mouth of the electronic controlled carburetor (4) that has two auxiliary ports and solenoid valve, the fuel oil suction port (8) of desorption solenoid valve (7) communicates with canister desorption mouth, and the signaling line of desorption solenoid valve (7) is connected with the desorption solenoid valve interface of ECU controller (6).

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