CN201486652U - Double-fuel vehicle - Google Patents
Double-fuel vehicle Download PDFInfo
- Publication number
- CN201486652U CN201486652U CN200920222362XU CN200920222362U CN201486652U CN 201486652 U CN201486652 U CN 201486652U CN 200920222362X U CN200920222362X U CN 200920222362XU CN 200920222362 U CN200920222362 U CN 200920222362U CN 201486652 U CN201486652 U CN 201486652U
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- China
- Prior art keywords
- fuel
- dual
- tank
- oil
- solenoid valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The utility model relates to a double-fuel vehicle comprising an engine, an oil injection system, an oil fuel pump, a main oil tank and an auxiliary oil tank, wherein the oil injection system is used for injecting oil to the engine, the oil fuel pump is used for supplying oil to the oil injection system, the main oil tank and the auxiliary oil tank are connected with the oil fuel pump, a first electromagnetic valve is arranged in an oil passage of the main oil tank, a second electromagnetic valve is arranged in an oil passage of the auxiliary oil tank, the double-fuel vehicle is also provided with a control switch, and the electromagnetic valves are respectively connected with the control switch. Compared with the prior art, the double-fuel vehicle has simple structure and convenient operation, can reduce pollution, promote the popularization and the use of biofuel, and the like.
Description
Technical field
The utility model relates to a kind of dual-fuel vehicle, and is particularly a kind of when satisfying certain condition, the dual-fuel vehicle that can change between gasoline and biofuel.
Background technique
At present, existing automobile generally with gasoline or diesel oil as the main fuel energy, but along with the quick increase of automobile pollution, vehicle exhaust is also more and more serious to the pollution of environment.Have again as the petroleum resources of gasoline and diesel oil main raw material in addition non-renewable, the key factor that has become the restriction social development in short supply of petroleum resources.Above factor impels countries in the world actively to put into the research of energy saving and searching novel energy aspect.
Along with the development and utilization of the novel environment friendly energy, biofuel has become a kind of novel energy of environmental protection, has clean environment firendly, advantage such as renewable.The existing common biofuel of motor car engine mixes with traditional gasoline use or independent use.But because factors such as China's automobile industry environment and biofuel technical development, such as biofuel production quantitative limitation, the biofuel gas station is provided with quantity etc., can't satisfy the demand of existing user vehicle, causes biofuel can't popularize use in automobile industry.
The model utility content
In view of the above-mentioned problems in the prior art, the purpose of this utility model is to provide a kind of dual-fuel vehicle, realizes the conversion use when engine speed is higher than or be lower than predetermined value of gasoline and biofuel.
In order to address the above problem, the utility model provides a kind of dual-fuel vehicle, comprise motor, the main fuel tank and the drop tank that connect to the injection system of described motor oil spout, to the fuel pump and the described fuel pump of described injection system fuel feeding, be provided with first solenoid valve in the oil circuit of described main fuel tank, be provided with second solenoid valve in the oil circuit of described drop tank, described dual-fuel vehicle also is provided with a control switch, when engine speed change during to predetermined value, touch control switch is controlled the open and close of first solenoid valve and second solenoid valve.
Preferably, described control switch is for controlling described first closed electromagnetic valve in the rotation speed change of described motor when being lower than predetermined value and described second solenoid valve is opened and control in the rotation speed change of described motor that described first solenoid valve is opened and the control switch of described second closed electromagnetic valve when being higher than described predetermined value.
As a kind of preferred version of the present utility model, described dual-fuel vehicle also comprises the rotating speed electrical signal of an engine rotation speed sensor and the described engine rotation speed sensor of reception and sends the electronic auto-control device of control signal to described control switch.
Preferably, described electronic auto-control device comprises that the rotating speed that a tach signal receiving module, that is used to receive the rotating speed electrical signal of engine rotation speed sensor output is used for that described rotating speed electrical signal and described engine speed predetermined value are compared judges comparison module and the signal output module that described judgement comparative result is exported.
As another preferred version of the present utility model, described main fuel tank and described drop tank are integrally formed.
Preferably, described main fuel tank is used to hold gasoline or diesel oil, and described drop tank is used to hold biofuel.
Preferably, described biofuel is an ethanol.
Preferably, described fuel pump is connected with drop tank with main fuel tank by three-way pipe.
The beneficial effects of the utility model are: change between gasoline and biofuel easily, can reduce the exhaust emissions amount of vehicle when low speed driving or idling, alleviate energy shortage and environmental pollution.
Description of drawings
Fig. 1 is the engine oil path control block diagram in the utility model dual-fuel vehicle.
Fig. 2 uses the structural representation of electronic auto-control device in the novel dual-fuel vehicle for this.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.
With reference to Fig. 1, a kind of dual-fuel vehicle comprises motor 7, injection system 6, fuel pump 5, main fuel tank 1, drop tank 10 and control switch 11.
Motor 7 can adopt the motor commonly used in related domain, is not given unnecessary details at this.
Main fuel tank 1 can be connected with fuel pump 5 by three-way pipe 4 with drop tank 10, with to fuel pump 5 fuel supplying.
As a kind of preferred version of the present utility model, main fuel tank 1 and drop tank 10 can be integrally formed.Main fuel tank 1 can be used for holding gasoline or diesel oil, and drop tank 10 can be used for holding biofuel.Biofuel can be ethanol.
Be provided with first solenoid valve 2 in main fuel tank 1 and the oil circuit 3 that fuel pump 5 is connected, drop tank 10 be connected with fuel pump 5 oil circuit 8 in be provided with second solenoid valve 9.
When the rotating speed of motor 7 when hypermutation is low to moderate predetermined value, control switch 11 controls first solenoid valve 2 cuts out, to cut off the oil circuit 3 between main fuel tank 1 and the fuel pump 5, simultaneously, control switch 11 controls second solenoid valve 9 is opened, to be communicated with the oil circuit 8 between drop tank 10 and the fuel pump 5.Afterwards, when the rotating speed of motor 7 uprised to predetermined value from hanging down, control switch 11 controls first solenoid valve 2 was opened, to be communicated with the oil circuit 3 between main fuel tank 1 and the fuel pump 5, simultaneously, control switch 11 controls second solenoid valve 9 cuts out, to cut off the oil circuit 8 between drop tank 10 and the fuel pump 5.
In the technical solution of the utility model, described predetermined value can be predefined numerical value, for example can be 700r/min, 800r/min etc.
In this embodiment, the rotation speed change of motor 7 is when being lower than predetermined value, control switch 11 controls first solenoid valve 2 cuts out, second solenoid valve 9 is opened, the oil circuit 3 of closed main fuel tank 1, connect the oil circuit 8 of drop tank 10, fuel in the drop tank 10 is pumped out to injection system 6 through fuel pump 5, injects fuel into motor 7 through injection system 6 again, and this moment, motor 7 was a fuel with the fuel in the drop tank 10.When the rotation speed change of motor 7 when being higher than predetermined value, control switch 11 controls first solenoid valve 2 is opened, second solenoid valve 9 cuts out, and connects the oil circuit 3 of main fuel tank 1, the oil circuit 8 of closed drop tank 10, at this moment, motor 7 is a fuel with the fuel in the main fuel tank 1.Because vehicle of the present utility model can be when low speed driving or is used biofuel to substitute conventional fuel during idling, so can reduce the exhaust emissions amount of vehicle when low speed driving or idling.
As shown in Figure 1, a kind of preferred implementation of the present utility model is that dual-fuel vehicle of the present utility model can also comprise the rotating speed electrical signal of an engine rotation speed sensor 13 and reception engine rotation speed sensor 13 and send the electronic auto-control device 12 of control signal to control switch 11.
As shown in Figure 2, preferably, electronic auto-control device 12 comprises a tach signal receiving module 14, rotating speed judgement comparison module 15 and a signal output module 16.Tach signal receiving module 14 is used to receive the rotating speed electrical signal that engine rotation speed sensor 13 sends, and the rotating speed electrical signal is transferred to rotating speed judgement comparison module 15.Rotating speed judges that comparison module 15 is used for the rotating speed electrical signal is changed into tachometer value, and the predetermined value of tachometer value and engine speed is compared, to draw a comparative result.Signal output module 16 outputs to control switch 11 with comparative result.
In the present embodiment, engine rotation speed sensor 13 is accepted engine speed information in real time, and become the tach signal of rotating speed electrical signal input electronic auto-control device 12 to accept in the module 14 this information translation, tach signal is accepted module 14 rotating speed electrical signal input speed is judged comparison module 15, after being transformed into tachometer value with this rotating speed electrical signal, rotating speed judgement comparison module 15 compares with the engine speed predetermined value, as the engine speed change of this rotating speed electrical signal representative when being lower than the engine speed predetermined value, signal output module 16 is to control switch 11 inputs one signal, after control switch 11 receives this signal, control first solenoid valve 2 and close, second solenoid valve 9 is opened.As the engine speed change of this rotating speed electrical signal representative when being higher than the engine speed predetermined value, signal output module 16 is to control switch 11 input control signals, after control switch 11 receives this signal, control first solenoid valve 2 and open, second solenoid valve 9 cuts out.In this mode of execution, can judge engine condition automatically, when vehicle idling or low speed driving, the conversion of control oil channel is a fuel with the biofuel automatically, reduces exhaust emissions.
Above-described only is preferable possible embodiments of the present utility model; described embodiment is not in order to limit scope of patent protection of the present utility model; therefore the equivalent structure done of every utilization specification of the present utility model and accompanying drawing content changes, and in like manner all should be included in the protection domain of the present utility model.
Claims (8)
1. dual-fuel vehicle, comprise motor, injection system to described motor oil spout, to the fuel pump of described injection system fuel feeding and main fuel tank and the drop tank that is connected with described fuel pump, it is characterized in that, be provided with first solenoid valve in described main fuel tank and the oil circuit that described fuel pump is connected, be provided with second solenoid valve in described drop tank and the oil circuit that described fuel pump is connected, described dual-fuel vehicle also is provided with a control switch, when the rotation speed change of described motor during to predetermined value described control switch control opening of described first solenoid valve and described second solenoid valve, close.
2. dual-fuel vehicle as claimed in claim 1, it is characterized in that described control switch is for controlling described first closed electromagnetic valve in the rotation speed change of described motor when being lower than described predetermined value and described second solenoid valve is opened and control in the rotation speed change of described motor that described first solenoid valve is opened and the control switch of described second closed electromagnetic valve when being higher than described predetermined value.
3. dual-fuel vehicle as claimed in claim 1, it is characterized in that described dual-fuel vehicle also comprises the rotating speed electrical signal of an engine rotation speed sensor and the described engine rotation speed sensor of reception and sends the electronic auto-control device of control signal to described control switch.
4. dual-fuel vehicle as claimed in claim 3, it is characterized in that described electronic auto-control device comprises that a tach signal receiving module, that is used to receive the rotating speed electrical signal of described engine rotation speed sensor output is used for described rotating speed electrical signal being changed into tachometer value and the rotating speed that described tachometer value and described engine speed predetermined value compare being judged comparison module and described rotating speed is judged the signal output module that the judgement comparative result of comparison module is exported.
5. dual-fuel vehicle as claimed in claim 1 is characterized in that, described main fuel tank and described drop tank are integrally formed.
6. dual-fuel vehicle as claimed in claim 1 is characterized in that described main fuel tank is used to hold gasoline or diesel oil, and described drop tank is used to hold biofuel.
7. dual-fuel vehicle as claimed in claim 6 is characterized in that, described biofuel is an ethanol.
8. dual-fuel vehicle as claimed in claim 1 is characterized in that, described fuel pump is connected with drop tank with main fuel tank by three-way pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920222362XU CN201486652U (en) | 2009-09-04 | 2009-09-04 | Double-fuel vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920222362XU CN201486652U (en) | 2009-09-04 | 2009-09-04 | Double-fuel vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201486652U true CN201486652U (en) | 2010-05-26 |
Family
ID=42425531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920222362XU Expired - Fee Related CN201486652U (en) | 2009-09-04 | 2009-09-04 | Double-fuel vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201486652U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696860A (en) * | 2013-12-19 | 2014-04-02 | 山西华顿实业有限公司 | Dual-fuel feeding device and control system |
-
2009
- 2009-09-04 CN CN200920222362XU patent/CN201486652U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696860A (en) * | 2013-12-19 | 2014-04-02 | 山西华顿实业有限公司 | Dual-fuel feeding device and control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20150904 |
|
| EXPY | Termination of patent right or utility model |