CN202140183U - Intelligent electrical-control oil supply system for petrol engine - Google Patents
Intelligent electrical-control oil supply system for petrol engine Download PDFInfo
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- CN202140183U CN202140183U CN201120187683U CN201120187683U CN202140183U CN 202140183 U CN202140183 U CN 202140183U CN 201120187683 U CN201120187683 U CN 201120187683U CN 201120187683 U CN201120187683 U CN 201120187683U CN 202140183 U CN202140183 U CN 202140183U
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Abstract
The utility model discloses an intelligent electrical-control oil supply system for a petrol engine. The oil supply system depends on an electrical-control sensing and controlling system to optimize and adjust mixing ratio, namely air-fuel ratio, of oil gas mixture supplied to the petrol engine. The oil supply system comprises a fuel oil chamber with a gas inlet pipe, a mixing chamber with an electrical-control throttle valve switch, an electronic control unit and an oxygen sensor for collecting tail gas ingredient information. On the one hand, the electronic control unit can control gas inlet amount of the gas inlet pipe to control atomization degree of petrol in the mixing chamber according to the tail gas ingredient information from the oxygen sensor; on the other hand, the electronic control unit can control gas inlet amount of the electrical-control throttle valve switch to optimize and adjust oil gas mixing ratio in the mixing chamber. Therefore, the oil gas mixture in the engine can be fully combusted, furthermore, safety of working of the engine is achieved, petrol consumption is reduced, and emission of waste gas is reduced.
Description
Technical field:
The utility model relates to a kind of oil supply system and fuel supply method that is applied on the general gasoline engines, and particularly a kind of automatically controlled sensing and control system of relying on supplied with the intelligent electric-controlled oil supply system that is optimized and adjusts to the oil gas of petrol engine automatically.
Background technique:
As everyone knows, the prior fuel oil supply system adopts the means of two kinds of routines usually on engine oil gas mixes and supplies with.One of which is exactly to be widely used in motorcycle at present to reach the Carburetor on the machinery (such as booster car, gasoline engine generator, water pump, chain saw etc.) of hanging down the discharge capacity petrol engine.The electronically controlled petrol injection system that its two exactly existing automobile is adopted.
Though existing Carburetor technology maturation owing to itself be mechanical structure, can't be accomplished perfection to the ratio (air fuel ratio) that oil gas mixes, can't realize perfect combustion after causing mixed oil gas body entering motor.So not only in the output work done of motor, have a greatly reduced quality, but also wasted gasoline.And in toxic emission, because not fully burning, also make to contain harmful matter in the exhaust gas discharged with a lot of impurity and environmental pollution.Under the trend of sustainable development, low-carbon (LC) and energy-saving and emission-reduction that present country vigorously advocates, existing is that the gasoline engine fuel supplier of oil gas hydrid component can't satisfy the waste gas emission standard that country is formulated with common Carburetor a lot.
Certainly; As the vehicle fuel supply system; The electronically controlled petrol injection system that is adopted at present; Main electronic control unit (ECU) and the oil sprayer of relying on solves gasoline and the irrational problem of air mixing ratio (air fuel ratio) in the oil gas supply in the past, and promptly the fuel injection quantity through ECU monitoring in real time and control oil sprayer improves the efficient of the perfect combustion of gasoline, has solved the problem of environmental pollution and exhaust emission standard so to a certain extent really.
Yet also there are some problems in this automobile electronic fuel oil jet system in practical application.At first, as the important component part of whole automobile electronic fuel oil jet system, the oil nozzle in the oil sprayer is poor because of the oil of spray gasoline through regular meeting, and impurity is many and blocked.Owing to say objectively that at present domestic gasoline oil is generally not high, so cause the oil nozzle rate of fault generally very high.Influence the safety coefficient of petrol engine work like this.
On the other hand, the mode that this automobile electronic fuel oil jet system adopts gasoline and air to provide along separate routes, its mixing point is positioned at engine cylinder-body; That is to say that whole system is in engine cylinder-body, to carry out fuel feeding and air feed simultaneously,, make the proportions of ingredients of oil gas be tending towards perhaps near air fuel ratio though the ratio of gasoline and air is controlled by ECU and commanded each fuel feeding or air feeder work; But mix in the cylinder and have oil gas undercompounding; And the effect of gasoline atomizing poor effect, and meanwhile, fully promptly do not burnt under the situation of atomizing and mixing this; Though its effect makes moderate progress than conventional Carburetor, still fails to reach the clean-burning purpose of mixed gas.
The model utility content:
In view of above-mentioned existing in prior technology defective; The purpose of the utility model is to provide a kind of intelligent electric-controlled oil supply system that is applied on the petrol engine, can rely on automatically controlled sensing and control system automatically the proportions of ingredients of the fuel-air mixture that offers petrol engine (be air fuel ratio, i.e. oil gas and Air mixing ratio) to be optimized and to adjust; Gasoline is being supplied with to before the petrol engine; Through the control of ECU to whole system, gasoline is fully mixed this dynamic process, gasoline also can be by sufficient atomizing in mixed process simultaneously; Fuel-air mixture after the final mixed offers the firing chamber of motor through a pipeline; Make and to start function that the fuel-air mixture of this pipeline is burnt fully, and then the reduction of consuming energy of the safety that realizes engine operation and gasoline, and the reduction of toxic emission.
In order to reach above-mentioned purpose, the utility model adopts following technological scheme:
A kind of intelligent electric-controlled oil supply system that is applied on the petrol engine, this system comprises:
One passes through the mixing chamber that the mixed gas pipeline is connected with petrol engine; Said mixing chamber also is provided with an electronically controlled throttle valve switch;
One passes through the fuel chamber that fuel supply line is connected with mixing chamber; Said fuel chamber also connects a transport pipe and a suction tude; Said fuel supply line is provided with a fuel supply line solenoid valve; Said suction tude is provided with a suction tude solenoid valve, and connection one is provided with the foam tube of a plurality of pores between said fuel supply line and the suction tude, and said foam tube is positioned at fuel chamber;
One is placed in the lambda sensor that is used for gathering exhaust gas component information in the engine exhaust pipe;
One is connected the electronic control unit of realizing the dynamic adjustments oil gas mixing ratio with lambda sensor, fuel supply line solenoid valve, suction tude solenoid valve and throttle switch respectively through circuit;
Said electronic control unit connects lambda sensor through circuit, obtains the data information of engine emission waste gas; Said electronic control unit relies on the switching degree that said suction tude solenoid valve is judged and controlled to this data information of analyzing, then the air inflow through the control suction tude make gasoline in the fuel chamber in foam tube with suction tude in air mixing and be atomized into oil gas; Said electronic control unit relies on the switching degree that the electronically controlled throttle valve switch is judged and controlled to this data information of analyzing, and passes through the air inflow adjustment of control throttle switch then and optimizes the interior oil gas mixing ratio of mixing chamber.
Preferably, also be provided with a liquid level inductor in the said fuel chamber; Said transport pipe is provided with a liquid level solenoid valve; Said liquid level electronic control unit is controlled the switching degree of transport pipe solenoid valve through the signal of liquid level inductor transmission, controls the storage of fuel oil in the fuel chamber then.
Preferably, said fuel supply line is provided with the fuel supply line solenoid valve that is connected with the electronic control unit circuit; The information that said electronic control unit provides through lambda sensor, the switching degree of control fuel supply line solenoid valve is controlled oil gas and Air mixing ratio in the mixing chamber then.
Can know by technique scheme; The described intelligent electric-controlled oil supply system that is applied on the petrol engine of the utility model;, can be automatically the oil gas mixing ratio (air fuel ratio) of the fuel-air mixture that offers petrol engine be optimized and adjusts gasoline and Air mixing in fuel chamber and the mixing chamber through ECU.Gasoline wherein in fuel chamber through fully atomizing with the suction tude Air mixing; Then in mixing chamber, mixing formation once more with the air of closure input can be by the clean-burning desirable mixed gas of motor, thus can improve engine operation security and stability, reduce the power consumption of gasoline and reduce exhaust gas discharging.
Description of drawings:
Further specify the utility model below in conjunction with accompanying drawing and embodiment.
Fig. 1 is for being applied in intelligent electric-controlled one of them embodiment's of oil supply system on the petrol engine system architecture diagram according to the utility model.
Fig. 2 is the partial enlarged drawing of the fuel chamber among Fig. 1.
Embodiment:
For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand understanding with effect, below in conjunction with concrete diagram, further set forth the utility model.
The purport of the utility model, personnel's repetition test and comparison after deliberation, the composition of the tail gas of discovery engine emission is relevant with the oil gas mixing ratio of the fuel mixture that offers motor.When the oil gas mixing ratio (being air fuel ratio) of fuel mixture near 1/14.7 the time, fully during burning, harmful gas in the tail gas and oxygen reach the equinoctial point an of the best to fuel mixture in motor; When the oil gas mixing ratio (being air fuel ratio) of fuel mixture fuel mixture greater than 1/14.7 time can not fully burn in motor, the harmful gas in the tail gas is corresponding to be increased; When the oil gas mixing ratio (being air fuel ratio) of fuel mixture fuel mixture less than 1/14.7 time can not fully burn in motor, the oxygen content in the tail gas is corresponding to be increased.
As depicted in figs. 1 and 2, this intelligent electric-controlled oil supply system is connected with regular price gasoline motor 2, for it provides burning required fuel-air mixture.
This intelligent electric-controlled oil supply system comprises fuel chamber 6, mixing chamber 3, is placed in the lambda sensor 7 and the electronic control unit (ECU) 8 that are used for gathering exhaust gas component information in motor 2 outlet pipes.This mixing chamber 3 links to each other with the inlet opening of motor 2 through mixed gas pipeline 1.This mixing chamber 3 is provided with an electronically controlled throttle valve switch 4, also connects a fuel chamber 6 through a fuel supply line 5 simultaneously.This fuel chamber 6 through one be provided with transport pipe solenoid valve 610 transport pipe 61 be connected with the fuel tank (not shown).
In addition; Fuel chamber 6 externally also be connected with one bring gas solenoid 620 into suction tude 62; The foam tube 63 that this suction tude 62 connects in the fuel chamber 6 have several apertures 630 on the wall of this foam tube 63 according to actual needs, and foam tube 63 links to each other with above-mentioned fuel supply line 5.The suction tude solenoid valve 620 of suction tude 62 is connected with ECU8, adjusts the air inlet amount of suction tude 62 through the control of ECU8, and then controls the fogging degree of gasoline in the fuel supply line 5.Fuel supply line 5 is provided with the fuel supply line solenoid valve 50 that is connected with ECU8, the information that said ECU8 provides through lambda sensor 7, and the switching degree of control fuel supply line solenoid valve 50 is controlled oil gas and Air mixing ratios in the mixing chamber 3 then.
Above-mentioned oil supply system is when operation, and whole intelligent control is responsible for by ECU8.Wherein, The negative pressure that fuel chamber 6 relies on motor 2 to provide provides gasoline through fuel supply line 5 to mixing chamber 3; Said gasoline is under this action of negative pressure; Flow into foam tube 63 through the aperture on the foam tube 63 630, and mix mutually, form the oily vapour of foamed (promptly atomizing) with air that the suction tude 62 that is connected with foam tube 63 is provided.
In addition; The liquid level inductor 60 that is placed in the fuel chamber 6 passes through the amount of fuel in the monitoring fuel chamber 6; In time send induced signal, make ECU8 the gasoline in the fuel chamber 6 maintained a normal scope through the unlatching size of the transport pipe solenoid valve 610 of control and adjusting transport pipe 61 to ECU8.Otherwise in case gasoline is excessive in the fuel chamber 6, the fuel oil that flows in the foam tube 63 must increase, and the air that in foam tube 63, mixes with this gasoline must reduce, thereby has influenced the foamed of gasoline and abundant burning afterwards.Certainly; ECU8 also connects the suction tude solenoid valve 620 of controlling suction tude 62 and the electronically controlled throttle valve switch 4 of mixing chamber 3, and ECU8 judges through the data-signal that sends over from lambda sensor 7 and regulates the switching degree of suction tude solenoid valve 620 and the switching degree of electronically controlled throttle valve switch 4.So both guaranteed the foamed of gasoline in the fuel chamber; Its oil gas mixing ratio reaches an optimized level after making the interior gasoline through foamed of mixing chamber carry out the secondary mixing with the air of importing closure again; And the oil gas of these mixing finally can be realized sufficient burning in motor; Thereby realize the safety of engine operation, the reduction of gasoline power consumption, and the raising of toxic emission.It is to be noted that the mixed fuel-air mixture of the oil gas that offers motor that said system carries out supplies with that to be one be the Intelligent Dynamic running of master control by ECU8.
In the present embodiment, be provided with a liquid level inductor 60 in the said fuel chamber 6.When the gasoline level in the fuel chamber 6 is lower than to a certain degree; Liquid level inductor 60 can send electronic signal and give ECU8; The transport pipe solenoid valve 610 that ECU8 can control transport pipe 61 opens and closes, and regulates the amount of gasoline in the fuel chamber 6 then, and it is maintained a reasonable range.
The above-mentioned fuel supply method that is applied in intelligent electric-controlled oil supply system on the petrol engine comprises the steps:
At first; Gasoline gets into fuel chamber 6 through transport pipe 61; And carry out the oil gas atomizing through the foam tube 63 in the fuel chamber 6 with the air of suction tude 62 inputs and mixes, mixed oil gas carries out delivering to after air is mixed motor 2 through fuel supply line 5 input mixing chambers 3 with the air of importing through electronically controlled throttle valve switch 4 and burns;
Then, said electronic control unit 8 obtains the data information of motor 2 discharging waste gas through lambda sensor 7; Then; Said electronic control unit 8 relies on the switching degree that said suction tude solenoid valve is judged and controlled to these data informations of analyzing, and the air inflow through control suction tude 62 makes gasoline in the fuel chamber 6 foam tube 63 in and from the air mixing of suction tude 62 and be atomized into oil gas then;
At last, said electronic control unit 8 relies on the switching degree of analyzing this data information judgement and control electronically controlled throttle valve switch 4, then through the air inflow adjustment of control throttle switch 4 and the oil gas mixing ratio in the optimization mixing chamber 3.
Wherein, said adjustment and optimize oil gas mixing ratio in the mixing chamber and be meant with adjusting near 1/14.7 in the said mixing chamber through the oil gas of atomizing with through the air fuel ratio that the air that the electronically controlled throttle valve switch gets into carries out abundant mixed fuel mixture.
The utility model, can be automatically be optimized and adjusts the oil gas mixing ratio (air fuel ratio) of the fuel-air mixture that offers petrol engine gasoline and Air mixing in fuel chamber and the mixing chamber through ECU.Electronic control unit is through handling the exhaust gas component information from lambda sensor; Control the switching degree of said suction tude solenoid valve on the one hand, thereby control gets into the fogging degree of the gasoline in the mixing chamber, control the switching degree of electronically controlled throttle valve switch on the other hand; Thereby adjustment is also optimized the oil gas mixing ratio in the mixing chamber; Make and start function that this fuel-air mixture is burnt fully, and then realize the safety of engine operation and the reduction of gasoline power consumption, and the reduction of toxic emission.
More than show and described basic principle of the utility model and the advantage of major character and the utility model.The technician of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (3)
1. an intelligent electric-controlled oil supply system that is applied on the petrol engine is characterized in that,
This system comprises:
One passes through the mixing chamber that the mixed gas pipeline is connected with petrol engine, and said mixing chamber also is provided with an electronically controlled throttle valve switch;
One passes through the fuel chamber that fuel supply line is connected with mixing chamber; Said fuel chamber also connects a transport pipe and a suction tude; Said fuel supply line is provided with a fuel supply line solenoid valve; Said suction tude is provided with a suction tude solenoid valve, and connection one is provided with the foam tube of a plurality of pores between said fuel supply line and the suction tude, and said foam tube is positioned at fuel chamber;
One is placed in the lambda sensor that is used for gathering exhaust gas component information in the engine exhaust pipe;
One is connected the electronic control unit of realizing the dynamic adjustments oil gas mixing ratio with lambda sensor, fuel supply line solenoid valve, suction tude solenoid valve and throttle switch respectively through circuit; Said electronic control unit connects lambda sensor through circuit, obtains the data information of engine emission waste gas.
2. according to the said intelligent electric-controlled oil supply system of claim 1; It is characterized in that; Also be provided with a liquid level inductor in the said fuel chamber, said transport pipe is provided with a liquid level solenoid valve, the signal that said liquid level electronic control unit sends through the liquid level inductor; Control the switching degree of transport pipe solenoid valve, control the storage of fuel oil in the fuel chamber then.
3. according to the said intelligent electric-controlled oil supply system of claim 1; It is characterized in that; Said fuel supply line is provided with the fuel supply line solenoid valve that is connected with the electronic control unit circuit; The information that said electronic control unit provides through lambda sensor, the switching degree of control fuel supply line solenoid valve is controlled oil gas and Air mixing ratio in the mixing chamber then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120187683U CN202140183U (en) | 2011-06-03 | 2011-06-03 | Intelligent electrical-control oil supply system for petrol engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120187683U CN202140183U (en) | 2011-06-03 | 2011-06-03 | Intelligent electrical-control oil supply system for petrol engine |
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| Publication Number | Publication Date |
|---|---|
| CN202140183U true CN202140183U (en) | 2012-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120187683U Expired - Fee Related CN202140183U (en) | 2011-06-03 | 2011-06-03 | Intelligent electrical-control oil supply system for petrol engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808701A (en) * | 2011-06-03 | 2012-12-05 | 上海坤孚企业(集团)有限公司 | Intelligent electronic-control fuel supply system and intelligent electronic-control fuel supply method applied to gasoline engine |
-
2011
- 2011-06-03 CN CN201120187683U patent/CN202140183U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808701A (en) * | 2011-06-03 | 2012-12-05 | 上海坤孚企业(集团)有限公司 | Intelligent electronic-control fuel supply system and intelligent electronic-control fuel supply method applied to gasoline engine |
| CN102808701B (en) * | 2011-06-03 | 2015-08-05 | 上海坤孚企业(集团)有限公司 | A kind ofly be applied in intelligent electric-controlled oil supply system on petrol engine and fuel supply method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120208 Termination date: 20120603 |