CN217107236U - Universal small gasoline engine and multi-fuel control device thereof - Google Patents
Universal small gasoline engine and multi-fuel control device thereof Download PDFInfo
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- CN217107236U CN217107236U CN202220767152.4U CN202220767152U CN217107236U CN 217107236 U CN217107236 U CN 217107236U CN 202220767152 U CN202220767152 U CN 202220767152U CN 217107236 U CN217107236 U CN 217107236U
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Abstract
A general small gasoline engine and its multi-fuel control device, the general small gasoline engine includes the multi-fuel control device, the multi-fuel control device includes the fuel electricity injection device and the gas control device, the gas control device includes: the fuel controller is arranged on the body of the general small gasoline engine and is arranged corresponding to the fuel cavity on the body, and the fuel controller is connected with the ECU of the fuel electronic injection device; the spray pipe is arranged in the gas chamber, one end of the spray pipe is communicated with a throttle hole of the universal small gasoline engine, and the other end of the spray pipe is connected with the gas controller; the pressure sensor is arranged on a pressure chamber on the body and connected with the ECU, and the gas chamber is communicated with the pressure chamber; one end of the gas inlet pipe is communicated with the gas cavity, and the other end of the gas inlet pipe is communicated with external gas; the gas controller adjusts the opening degree of the spray pipe to control the gas flow, and the pressure sensor collects the working pressure data of the gas and transmits the working pressure data to the ECU to correct the flow data.
Description
Technical Field
The utility model relates to an electricity spouts air throttle, especially a general small-size gasoline engine and many fuel controlling means thereof.
Background
The small gasoline engine electronic injection control device in the prior art basically adopts a single fuel oil electronic injection control mode, the fuel gas controls the flow through a mechanical diaphragm type flow valve, the flow precision is relatively unstable, when the air supply pressure changes, the flow fluctuation is larger, the operation step of starting the engine is more complex, the use is inconvenient, and the operation experience is poorer.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the above-mentioned defect of prior art, provide a general small-size gasoline engine and many fuel controlling means thereof.
In order to achieve the above object, the present invention provides a multi-fuel control device for a general small gasoline engine, wherein, the multi-fuel control device comprises a fuel electric injection device and a gas control device, the gas control device comprises:
the fuel gas controller is arranged on the body of the general small gasoline engine and is arranged corresponding to the fuel gas cavity on the body, and the fuel gas controller is connected with the ECU of the fuel oil electric injection device;
the spray pipe is arranged in the gas cavity, one end of the spray pipe is communicated with a throttle hole of the universal small gasoline engine, and the other end of the spray pipe is connected with the gas controller;
the pressure sensor is arranged on a pressure chamber on the body and is connected with the ECU, and the gas chamber is communicated with the pressure chamber; and
one end of the air inlet pipe is communicated with the gas cavity, and the other end of the air inlet pipe is communicated with external gas;
the gas controller adjusts the opening degree of the spray pipe to control the gas flow, and the pressure sensor collects the working pressure data of the gas and transmits the data to the ECU.
In the multi-fuel control device of the general small gasoline engine, the gas controller is an electromagnetic valve or a stepping motor, and the electromagnetic valve is connected with the gas chamber in a sealing manner through a sealing ring.
The multi-fuel control device of the universal small gasoline engine is characterized in that the movable core of the electromagnetic valve is provided with an elastic reset piece, and a sealing gasket is arranged at the joint of the electromagnetic valve and the spray pipe.
In the multi-fuel control device of the general small gasoline engine, the gas chamber is communicated with the pressure chamber through a duct.
In the multi-fuel control device of the general small gasoline engine, the pressure sensor is connected with the pressure chamber in a sealing manner through the sealing ring.
In the multi-fuel control device of the general small gasoline engine, the electromagnetic valve and the pressure sensor are respectively connected with the ECU through a plug-in or a lead.
In the multi-fuel control device of the general small gasoline engine, an oblique angle with any direction and any angle is arranged at one end of the spray pipe communicated with the throttle hole.
The multi-fuel control device of the general small gasoline engine, wherein the electromagnetic valve and the pressure sensor are integrated into a single structural member.
The multi-fuel control device of the general small gasoline engine further comprises an oxygen sensor which is arranged on an exhaust pipe of the general small gasoline engine and connected with the ECU.
In order to better achieve the aim, the utility model also provides a general small gasoline engine, wherein, including foretell many fuel control device.
The technical effects of the utility model reside in that:
the utility model discloses can realize the application of many fuels on general small-size gasoline engine to promoted the control accuracy of gas flow, and can carry out the flow correction according to the size of gas pressure is automatic, owing to adopt solenoid valve or step motor's flow control mode, the electrical system of engine can make full use of gas carries out closed-loop control through oxygen sensor, makes the engine operation in the within range of ideal air-fuel ratio, plays energy saving and emission reduction's effect.
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
Drawings
Fig. 1 is a front view of an embodiment of the present invention;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a left side view of FIG. 1;
FIG. 4 is a top view of FIG. 1;
FIG. 5 is a bottom view of FIG. 1;
FIG. 6 is a cross-sectional view A-A of FIG. 1;
fig. 7 is a sectional view B-B of fig. 2.
Wherein the reference numerals
1 main body
2 solenoid valve
3 moving core
4 sealing gasket
5 elastic reset piece
6 gas chamber
7 spray pipe
8 throttle valve hole
9 pressure chamber
10 pore canal
11 pressure sensor
12 sealing ring
13 air inlet pipe
14ECU
15 sealing ring
16 oil sprayer
Detailed Description
The following describes the structural and operational principles of the present invention in detail with reference to the accompanying drawings:
referring to fig. 1 to 7, fig. 1 is a front view of an embodiment of the present invention, fig. 2 is a right side view of fig. 1, fig. 3 is a left side view of fig. 1, fig. 4 is a top view of fig. 1, fig. 5 is a bottom view of fig. 1, fig. 6 is a sectional view taken along line a-a of fig. 1, and fig. 7 is a sectional view taken along line B-B of fig. 2. The utility model discloses a general small-size gasoline engine, including body 1 and the many fuel controlling means of setting on this body 1, this many fuel controlling means includes that the fuel spouts device and gas controlling means, and the former fuel spouts the sprayer 16 of device, can external fuel alone, and this general small-size gasoline engine and fuel spout the device and be more ripe prior art, and the event does not do here and gives unnecessary details, and is only right below the utility model discloses a gas controlling means gives detailed description.
The utility model discloses a gas controlling means includes: the fuel gas controller is arranged on the body 1 of the general small gasoline engine and corresponds to the fuel gas chamber 6 on the body 1, and the fuel gas controller is connected with the ECU14 of the fuel oil electric injection device; a nozzle 7 installed in the gas chamber 6, wherein one end of the nozzle 7 is communicated with a throttle hole 8 of the general small gasoline engine, and the other end of the nozzle 7 is connected with the gas controller; a pressure sensor 11 mounted on a pressure chamber 9 of the body 1 and connected with the ECU14, wherein the gas chamber 6 is communicated with the pressure chamber 9 through a duct 10; one end of the air inlet pipe 13 is communicated with the gas chamber 6, and the other end of the air inlet pipe 13 is communicated with external gas; wherein the gas controller adjusts the opening degree of the nozzle 7 to control the gas flow, and the pressure sensor 11 collects the working pressure data of the gas and transmits the working pressure data to the ECU14 to correct the flow data.
The utility model discloses a preferred solenoid valve 2 or step motor of gas controller carry out the control of gas flow, and this embodiment uses solenoid valve 2 as an example, and the model structure of difference according to, solenoid valve 2 can set up on body 1 along throttle hole 8 center pin arbitrary direction. This gas chamber 6 sets up in the 1 upper portion outside of body, solenoid valve 2 with gas chamber 6 passes through sealing washer 15 sealing connection, solenoid valve 2 with the junction of spray tube 7 is provided with sealed 4, and spray tube 7 pressure equipment is in the centre of this gas chamber 6, and the one end and the throttle valve hole 8 intercommunication of spray tube 7, the terminal surface and the sealed 4 cooperations of the sealed pad of solenoid valve 2 setting on moving core 3 of the other end. An elastic reset piece 5 is arranged on the movable core 3 of the electromagnetic valve 2, and the elastic reset piece 5 is preferably a reset spring. The pressure sensor 11 is connected with the pressure chamber 9 in a sealing mode through a sealing ring 12, and the pressure sensor 11 plays a sealing role through the sealing ring 12. The solenoid valve 2 and the pressure sensor 11 are connected to the ECU14 through respective plugs or lead wires. And an oblique angle with any direction and any angle is arranged at one end of the spray pipe 7 communicated with the throttle hole 8. The solenoid valve 2 and the pressure sensor 11 may be integrated into a single structural member, that is, the pressure sensor 11 and the solenoid valve 2 may be integrated together without being separately installed.
The gas control device of the embodiment can further comprise an oxygen sensor, the oxygen sensor is installed on an exhaust pipe of the general small gasoline engine and connected with the ECU14, the oxygen sensor is used for collecting oxygen content data exhausted by tail gas of the general small gasoline engine and transmitting the oxygen content data to the ECU14, and the ECU14 corrects flow parameters according to the oxygen content data so as to ensure the air-fuel ratio of the normal operation of the engine.
Because the gas pressure before entering the spray pipe 7 is fluctuated or has upper and lower limit deviation, the same opening degree is opened by the spray pipe 7, the change of the pressure can cause the change of the gas flow, the pressure sensor 11 detects the pressure change and sends the detected pressure value to the ECU14, and the ECU14 automatically controls the power-on time of the duty ratio electromagnetic valve 2 or adjusts the step number of the stepping motor to change the stroke to meet the gas flow under the proper working condition according to the read gas pressure value. The solenoid valve 2 of this embodiment preferably adopts the duty ratio solenoid valve 2, and through adjusting the live time under certain frequency, the live time is longer, and the gas gets into the flow that the spray tube 7 is bigger, otherwise then diminishes. The stepping motor can control the height matched with the spray pipe 7 through the screw rod by adjusting the step number, when the opening degree is larger, the flow rate of the fuel gas is larger, and otherwise, the flow rate is reduced.
The utility model discloses can realize the application of many fuels on general small-size gasoline engine, when the engine work, utilize ECU14 control solenoid valve 2, and control the required gas flow size of engine through the size that solenoid valve 2 controlled the opening of spray tube 7, through pressure sensor 11, the flow variation that can the automatic compensation different gas air feed pressure produced guarantees engine job stabilization, has promoted the control accuracy of gas flow, and can carry out the flow correction according to the size automation of gas pressure, owing to adopt solenoid valve 2 or step motor's flow control mode, the engine can make full use of the electrical system of gas; the oxygen sensor is used for closed-loop control, so that the engine can operate in the range of ideal air-fuel ratio, and the effects of energy conservation and emission reduction are achieved.
Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.
Claims (10)
1. The utility model provides a many fuel controlling means of general small gasoline engine which characterized in that, includes fuel electricity injection apparatus and gas controlling means, the gas controlling means includes:
the fuel gas controller is arranged on the body of the general small gasoline engine and is arranged corresponding to the fuel gas cavity on the body, and the fuel gas controller is connected with the ECU of the fuel oil electric injection device;
the spray pipe is arranged in the gas cavity, one end of the spray pipe is communicated with a throttle hole of the universal small gasoline engine, and the other end of the spray pipe is connected with the gas controller;
the pressure sensor is arranged on a pressure chamber on the body and is connected with the ECU, and the gas chamber is communicated with the pressure chamber; and
one end of the air inlet pipe is communicated with the gas cavity, and the other end of the air inlet pipe is communicated with external gas;
the gas controller adjusts the opening degree of the spray pipe to control the gas flow, and the pressure sensor collects the working pressure data of the gas and transmits the data to the ECU.
2. The multi-fuel control device of the general small gasoline engine as claimed in claim 1, wherein the gas controller is an electromagnetic valve or a stepping motor, and the electromagnetic valve is connected with the gas chamber in a sealing manner through a sealing ring.
3. The multi-fuel control device of the universal small gasoline engine as claimed in claim 2, wherein the movable core of the electromagnetic valve is provided with an elastic reset piece, and a sealing gasket is arranged at the joint of the electromagnetic valve and the spray pipe.
4. The multi-fuel control device for a general gasoline engine as set forth in claim 3, wherein the gas chamber communicates with the pressure chamber through a port.
5. The multi-fuel control device of a general gasoline engine as set forth in claim 3, wherein the pressure sensor is hermetically connected to the pressure chamber through a packing.
6. A multi-fuel control device for a universal small gasoline engine as claimed in claim 3, wherein the solenoid valve and the pressure sensor are connected to the ECU through a plug or a lead, respectively.
7. The multi-fuel control device of a universal small gasoline engine as set forth in claim 3, wherein an end of the nozzle communicating with the throttle hole is provided with a bevel angle of any direction and angle.
8. The multi-fuel control apparatus of a general gasoline engine as set forth in claim 3, wherein the solenoid valve and the pressure sensor are integrated into a single structural member.
9. The multi-fuel control apparatus of a general small gasoline engine as set forth in claim 3, further comprising an oxygen sensor installed on an exhaust pipe of the general small gasoline engine and connected to the ECU.
10. A general gasoline engine of small size comprising the multi-fuel control apparatus of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220767152.4U CN217107236U (en) | 2022-04-01 | 2022-04-01 | Universal small gasoline engine and multi-fuel control device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220767152.4U CN217107236U (en) | 2022-04-01 | 2022-04-01 | Universal small gasoline engine and multi-fuel control device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217107236U true CN217107236U (en) | 2022-08-02 |
Family
ID=82577608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220767152.4U Active CN217107236U (en) | 2022-04-01 | 2022-04-01 | Universal small gasoline engine and multi-fuel control device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217107236U (en) |
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2022
- 2022-04-01 CN CN202220767152.4U patent/CN217107236U/en active Active
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