CN205172784U - Double -cylinder double bank engine electricity system of spouting - Google Patents
Double -cylinder double bank engine electricity system of spouting Download PDFInfo
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- CN205172784U CN205172784U CN201520902544.7U CN201520902544U CN205172784U CN 205172784 U CN205172784 U CN 205172784U CN 201520902544 U CN201520902544 U CN 201520902544U CN 205172784 U CN205172784 U CN 205172784U
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- throttle valve
- tonifying
- pass
- air
- efi throttle
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- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
The utility model provides a double -cylinder double bank engine electricity system of spouting, includes that two electricity spout choke valve and a step motor, one of them electricity spout be equipped with on the choke valve tonifying qi by -pass and with step motor connects, and two electricity spout through the air current to pipe connection between the choke valve. The utility model discloses two electricity spout a choke valve step motor of sharing and a tonifying qi by -pass among the technical scheme, thereby it spouts the choke valve and set up a tonifying qi by -pass and inconsistent unstable, the high -speed unstable problem of idling that causes of the step motor volume of leading to the tonifying qi respectively to have overcome two current electricity, has improved the stability of system.
Description
Technical field
The utility model relates to a kind of engine electric spray system, particularly relates to a kind of electric injection system of twin-tub double bank engine.
Background technique
Owing to using the motorcycle of electric injection system to have the advantages such as comfortable, energy-conservation, therefore, existing motorcycle engine much uses electric injection system, and is more and more subject to liking of consumers in general.
Twin-tub double bank engine has two independently firing chamber and two independently EFI throttle valve, each EFI throttle valve is equipped with an independently stepper motor, each EFI throttle valve is provided with a tonifying Qi by-pass, and tonifying Qi by-pass suitably supplements to firing chamber the air fuel ratio that air meets engine chamber according to the instruction of ECU in idling startup, idle running and the process that runs up.But, due to motor have two independently firing chamber use two tonifying Qi by-passes that air compensation can be caused inconsistent, and two stepper motor apertures are different, and air compensation is also different, firing effect is also just different, therefore will cause unstable idle speed, problem unstable at a high speed.
Model utility content
The purpose of this utility model is the electric injection system of the twin-tub double bank engine providing a kind of good stability.
The purpose of this utility model realizes like this, a kind of twin-tub double bank engine electric injection system, comprise two EFI throttle valve and a stepper motor, one of them EFI throttle valve is provided with tonifying Qi by-pass and is connected with described stepper motor, by air flow tubes connection between two EFI throttle valve.In technical solutions of the utility model, two EFI throttle valve share a stepper motor and a tonifying Qi by-pass, overcome existing two EFI throttle valve and a tonifying Qi by-pass is set respectively and stepper motor causes air compensation inconsistent thus causes unstable idle speed, problem unstable at a high speed, improve the stability of system.
EFI throttle valve comprises the air-flow path in valve body and valve body, and in order to compact structure, tonifying Qi by-pass is arranged on valve body and one end and is communicated with air-flow path, and the other end is connected with stepper motor.
In order to stabilized structure, the valve body that the two ends of above-mentioned air flow conduit are located in an EFI throttle valve is respectively communicated with its air-flow path.
In order to ensure the steadiness of structure further, the two ends of above-mentioned air flow conduit are welded with the valve body of two EFI throttle valve or are threaded connection or are connected by caulking gum respectively.
In order to easy for installation, above-mentioned stepper motor is fixed by screws on EFI throttle valve valve body.
The utility model has following beneficial effect:
1, in technical solutions of the utility model, two EFI throttle valve share stepper motor tonifying Qi by-pass, overcome existing two EFI throttle valve and the unstable idle speed of a tonifying Qi by-pass and a stepper motor existence, problem unstable are at a high speed set respectively, improve the stability of system.Use the double motorcycle of twin-tub of the utility model electric injection system, car load acceleration performance improves 5-7%, and engine stabilization improves about 3%.
2, technical solutions of the utility model simplify the structure, and decrease equipment, reduce cost.
Accompanying drawing explanation
Fig. 1 is the utility model twin-tub double bank engine electric injection system structural representation;
In figure, 1. stepper motor, 2. EFI throttle valve I, 3. air flow conduit, 4. EFI throttle valve II, 5. closure, 6. tonifying Qi by-pass, 7. air-flow path.
Embodiment
Embodiment, a kind of twin-tub double bank engine electric injection system, comprise EFI throttle valve I 2, EFI throttle valve II 4 and a stepper motor 1, EFI throttle valve I 2, EFI throttle valve II 4 include the air-flow path 7 in valve body and valve body, EFI throttle valve I 2 is provided with tonifying Qi by-pass 6, one end of tonifying Qi by-pass 6 is communicated with air-flow path 7, and the other end is connected with stepper motor 1.Be provided with air flow conduit 3 between EFI throttle valve I 2 and EFI throttle valve II 4, the valve body that the two ends of air flow conduit 3 are located in EFI throttle valve I 2, EFI throttle valve II 4 is respectively communicated with air-flow path 7.
The two ends of air flow conduit 3 are welded with the valve body of EFI throttle valve I 2, EFI throttle valve II 4 respectively, also can be threaded connection, or be connected by caulking gum.
Stepper motor 1 is fixed by screws on the valve body of EFI throttle valve I 2.
The utility model electric injection system working principle:
Start idle engine rotating speed lower, the oxygen needed is less, closure 5 is closed substantially, utilize the negative pressure that engine running produces, suction port sucks air by EFI throttle valve I 2 and tonifying Qi by-pass 6, ECU, according to the information of EFI annex (air inlet pressure sensor, intake air temperature sensor, solar term jaw opening sensor, engine cylinder temperature sensor, engine speed, lambda sensor), carries out oneself's adjustment to idle speed step motor 1, and tonifying Qi by-pass 6 air mass flow increases or reduces.
In idling start-up course, engine speed is lower, and portion of air directly enters suction port by EFI throttle valve I 2; ECU adjusts stepper motor 1 aperture according to instruction, and another part air enters EFI throttle valve I 2 suction port again by tonifying Qi by-pass 6.
In idling start-up course, engine speed is lower, and ECU adjusts stepper motor 1 aperture according to instruction, and another part air enters EFI throttle valve II 4 by tonifying Qi by-pass 6 and air flow conduit 3, is mixed into suction port with EFI throttle valve II 4 air.
When car load is in high speed operating mode, require the power mixed gas that supply is denseer, by tonifying Qi by-pass 6 tonifying Qi, ECU instruction can ensure that motor sends peak output.Controlled by stepper motor 1 pair of tonifying Qi air inflow, the air fuel ratio that can meet car load high speed working condition accurately controls.
When car load is in anxious boost phase, require the power mixed gas that supply is denseer, by tonifying Qi by-pass 6 tonifying Qi, ECU instruction step motor 1 can ensure that motor sends peak output, and controlled by stepper motor 1 pair of air inflow, the air fuel ratio that can meet car load accelerating mode condition accurately controls.
Use the double motorcycle of twin-tub of the utility model electric injection system, car load acceleration performance improves 5-7%, and engine stabilization improves about 3%.
Claims (5)
1. a twin-tub double bank engine electric injection system, it is characterized in that: comprise two EFI throttle valve and a stepper motor (1), one of them EFI throttle valve is provided with tonifying Qi by-pass (6) and is connected with described stepper motor (1), is connected between described two EFI throttle valve by air flow conduit (3).
2. twin-tub double bank engine electric injection system as claimed in claim 1, it is characterized in that: described EFI throttle valve comprises the air-flow path (7) in valve body and valve body, one end of described tonifying Qi by-pass (6) is communicated with described air-flow path (7), and the other end is connected with described stepper motor (1).
3. twin-tub double bank engine electric injection system as claimed in claim 2, is characterized in that: the valve body that the two ends of described air flow conduit (3) are located in an EFI throttle valve is respectively communicated with air-flow path (7).
4. the twin-tub double bank engine electric injection system as described in any one of claim 1-3, is characterized in that: the two ends of described air flow conduit (3) are welded with the valve body of two EFI throttle valve or are threaded connection or are connected by caulking gum respectively.
5. the twin-tub double bank engine electric injection system as described in any one of claim 1-3, is characterized in that: described stepper motor (1) is fixed by screws on the valve body of EFI throttle valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520902544.7U CN205172784U (en) | 2015-11-13 | 2015-11-13 | Double -cylinder double bank engine electricity system of spouting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520902544.7U CN205172784U (en) | 2015-11-13 | 2015-11-13 | Double -cylinder double bank engine electricity system of spouting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205172784U true CN205172784U (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520902544.7U Active CN205172784U (en) | 2015-11-13 | 2015-11-13 | Double -cylinder double bank engine electricity system of spouting |
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| Country | Link |
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| CN (1) | CN205172784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476908A (en) * | 2017-08-18 | 2017-12-15 | 重庆宗申技术开发研究有限公司 | A kind of bi-block engine inlet suction port structure |
-
2015
- 2015-11-13 CN CN201520902544.7U patent/CN205172784U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476908A (en) * | 2017-08-18 | 2017-12-15 | 重庆宗申技术开发研究有限公司 | A kind of bi-block engine inlet suction port structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |