CN106837568A - A kind of single oil rail double fuel automatic switching control system - Google Patents
A kind of single oil rail double fuel automatic switching control system Download PDFInfo
- Publication number
- CN106837568A CN106837568A CN201710009980.5A CN201710009980A CN106837568A CN 106837568 A CN106837568 A CN 106837568A CN 201710009980 A CN201710009980 A CN 201710009980A CN 106837568 A CN106837568 A CN 106837568A
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- China
- Prior art keywords
- fuel
- methanol
- petroleum
- methyl alcohol
- methanol fuel
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0602—Control of components of the fuel supply system
- F02D19/0613—Switch-over from one fuel to another
- F02D19/0615—Switch-over from one fuel to another being initiated by automatic means, e.g. based on engine or vehicle operating conditions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0663—Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0663—Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02D19/0673—Valves; Pressure or flow regulators; Mixers
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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
Abstract
The invention provides a kind of single oil rail double fuel automatic switching control system, for fuel of the fuel as methanol engine of being chosen any one kind of them from gasoline and methyl alcohol.Automatic switchover system includes：Methanol fuel storage tank, Fuel Petroleum storage tank, the methyl alcohol liquid level sensor for detecting methyl alcohol surplus, oily rail injector assembly and controller.Whether controller is used for the liquid level of methanol fuel that is detected according to methyl alcohol liquid level sensor and switches to methanol fuel by Fuel Petroleum or fuel is switched into Fuel Petroleum by methanol fuel determining whether to provide the fuel of engine.Automatic switchover system ensure that flexibly switching is used for methanol fuel and Fuel Petroleum in engine operation process.
Description
Technical field
The present invention relates to automotive engine applications, more particularly to a kind of single oil rail double fuel automatic switching control system.
Background technology
Methanol fuel is a kind of Novel clean-fuel.The alternative gasoline of methyl alcohol and diesel oil, are applied to various motor vehicles, pot and stove
In stove.The raw material for producing methyl alcohol is mainly coal, natural gas, coal bed gas, oven gas etc..Colm and Jiao in particular with high-sulfur
Furnace gas produces methyl alcohol, and this can not only improve comprehensive utilization of resources but also can reduce environmental pollution.But methyl alcohol have burning-point it is higher,
The more difficult problem of cold-starting.
At present, have in the prior art using the Double-fuel engine system based on single oil rail and single set fuel injector.This
Individual single oil rail and list cover the Double-fuel engine system of fuel injector first with Fuel Petroleum heated engine, then using methyl alcohol
Continue as engine and fuel is provided, solve the problems, such as low-temperature methanol difficulty in starting.But, prior art is in methanol fuel tank
Also may proceed to force switching methanol fuel in the case of methyl alcohol deficiency, this is easily caused engine misses, and vehicle cannot normal work.
Prior art is after methanol fuel work is switched to, if methyl alcohol exhausts and Fuel Petroleum when also having residue in methanol fuel tank,
Can only be stopped working using the vehicle of prior art and cannot realize switching back into Fuel Petroleum mode of operation from methanol fuel.I.e. existing skill
Art can only realize gasoline mode to methyl alcohol pattern switching, it is impossible to realize methyl alcohol pattern to gasoline mode switch operating.Also, it is existing
Technology remains Fuel Petroleum when Fuel Petroleum is switched into methanol fuel in its oily rail, oil circuit, and Fuel Petroleum with
Pipeline is entered into methanol fuel tank.Therefore, in engine after repeatedly starting and switching fuel, in methanol fuel tank no longer
It is methanol fuel, but methyl alcohol and gasoline mixed fuel.Due to methyl alcohol, gasoline mixed fuel combustion characteristics and pure methanol fuel
Combustion characteristics difference is big, therefore the engine performance of use fuel combination will be not as the engine using pure methanol fuel
Energy.
The content of the invention
It is an object of the present invention to provide a kind of single oil rail double fuel automatic switching control system, the system is in hair
Ensure that flexibly switching is used for methanol fuel and Fuel Petroleum in motivation running.Meanwhile, it is residual in oily rail, the oil circuit of the system
The fuel oil for staying can be recovered to corresponding fuel reservoir, so as to methanol fuel and Fuel Petroleum in fuel reservoir will not be caused mixed
Close, it is ensured that methanol fuel and the respective purity of Fuel Petroleum.
Especially, the invention provides a kind of single oil rail double fuel automatic switching control system, for from gasoline and methyl alcohol
In choose any one kind of them fuel of the fuel as methanol engine, the mode of operation of the methanol engine includes cold start-up mode of operation
And normal mode of operation, including：Methanol fuel storage tank, for storing methanol fuel；Fuel Petroleum storage tank, for storing gasoline combustion
Material；Methyl alcohol liquid level sensor, the liquid level for detecting the methanol fuel in the methanol fuel storage tank；Oily rail injector is total
Into for the supply methanol fuel from the methanol fuel storage tank to the methanol engine or from the Fuel Petroleum storage tank to institute
State methanol engine supply Fuel Petroleum；And controller, for controlling the oily rail oil spout in the cold start-up mode of operation
Device assembly supplies the Fuel Petroleum to the methanol engine, is passed according to the methyl alcohol liquid level in the normal mode of operation
The liquid level of the methanol fuel that sensor is detected determines whether to switch to the methyl alcohol to fire by the Fuel Petroleum fuel
Whether material switches to the Fuel Petroleum by fuel by the methanol fuel.
Further, also include：Fuel Petroleum retracting device, for fuel is switched to by the Fuel Petroleum it is described
During methanol fuel, Fuel Petroleum remaining at the oily rail injector assembly is recycled to the Fuel Petroleum storage tank；Methyl alcohol fires
Material retracting device, it is for when fuel is switched into the Fuel Petroleum by the methanol fuel, the oily rail injector is total
The methanol fuel storage tank is recycled into the remaining methanol fuel in place.
Further, the Fuel Petroleum retracting device includes：Fuel Petroleum recovery pipe, its one end is sprayed with the oily rail
Oily device assembly is connected, and the other end is connected with the Fuel Petroleum storage tank；First switch valve, for being selectively opened or closing
Close the Fuel Petroleum recovery pipe.
Further, the methanol fuel retracting device includes：Methanol fuel recovery pipe, its one end is sprayed with the oily rail
Oily device assembly is connected, and the other end is connected with the methanol fuel storage tank；Second switch valve, for being selectively opened or closing
Close the methanol fuel recovery pipe.
Further, the first switch valve is configured to be closed when the second switch valve is opened, and is opened described second
Close when valve is closed and open；The second switch valve is configured to be closed when the first switch valve is opened, in the first switch
Opened when valve is closed.
Further, also include：Strength of fluid sensor, for detecting the methanol fuel at the oily rail injector assembly
And/or the concentration of the Fuel Petroleum；Wherein, the first switch valve is configured to detect institute in the strength of fluid sensor
The concentration for stating Fuel Petroleum is closed when being not higher than the first preset value；The second switch valve is configured to be sensed in the strength of fluid
The concentration that device detects the methanol fuel is closed when being not higher than the second preset value.
Further, first preset value and second preset value are arranged to equal or unequal；Described first
Preset value and second preset value are set to substantially zero.
Further, the methanol fuel storage tank and Fuel Petroleum storage tank are arranged in the two chambers in same fuel tank.
Further, the controller is configured to the mode of operation in the methanol engine by the cold start-up Working mould
When formula switches to the normal mode of operation, the liquid level of the methanol fuel detected in the methyl alcohol liquid level sensor is not high
When the first default liquid level, the oily rail injector assembly is controlled to continue to supply the Fuel Petroleum to the methanol engine,
Otherwise, the oily rail injector assembly is controlled to supply methanol fuel to the methanol engine.
Further, the controller is configured to be in the normal work mould in the mode of operation of the methanol engine
During formula, when the liquid level of the methanol fuel detected in the methyl alcohol liquid level sensor is not higher than the second default liquid level, control
Fuel is switched to the Fuel Petroleum by the oily rail injector assembly by the methanol fuel, otherwise, controls the oily rail spray
Oily device assembly continues to supply the methanol fuel to the methanol engine.
Single oil rail double fuel automatic switching control system of the invention, if when methanol fuel storage tank is without methyl alcohol, started
Machine will not switch to methyl alcohol, and directly be worked with Fuel Petroleum；If methyl alcohol is enough, after methanol fuel is switched, if methyl alcohol
Exhaust, this technology can realize that methanol fuel switches back into Fuel Petroleum again.Therefore, the system ensure that methanol fuel and vapour
Flexibly switching is used oil fuel, it is to avoid the situation that vehicle cannot work caused by engine is frequently flame-out.
Further, in oily rail, the oil circuit of the system remain fuel oil can be recovered to corresponding fuel reservoir, from without
Methanol fuel and Fuel Petroleum in fuel reservoir can be caused to mix, it is ensured that methanol fuel and the respective purity of Fuel Petroleum, with
So that engine has given play to maximum performance in the presence of high-purity fuel.
According to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will be brighter
Of the invention above-mentioned and other purposes, advantages and features.
Brief description of the drawings
Describe some specific embodiments of the invention in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter.
Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that these
What accompanying drawing was not necessarily drawn to scale.In accompanying drawing：
Fig. 1 is the schematic diagram of single oil rail double fuel automatic switching control system according to an embodiment of the invention；
Fig. 2 is the specific distribution schematic diagram of parts of single oil rail double fuel automatic switching control system shown in Fig. 1.It is each in figure
The implication of symbol：
1st, Fuel Petroleum feed unit, 101, petrol pump, 102, petrol pump electromagnetic relay, 103, gasoline pressure regulator valve,
104th, gasoline check valve, 105, Fuel Petroleum storage tank,
2nd, methanol fuel feed unit, 201, methanol pump, 202, methanol pump electromagnetic relay, 203, methyl alcohol pressure regulator valve,
204th, methyl alcohol check valve, 205, methanol fuel storage tank,
3rd, triple valve,
4th, engine assembly, 401, oily rail injector assembly, 402, engine body,
5th, temperature sensor,
6th, controller,
7th, Fuel Petroleum retracting device, 701, gasoline circuit electromagnetic valve, 702, gasoline circuit electromagnetic relay,
8th, methanol fuel retracting device, 801, methyl alcohol circuit electromagnetic valve, 802, methyl alcohol circuit electromagnetic relay,
9th, liquid level sensor, 901, gasoline levels sensor, 902, methyl alcohol liquid level sensor,
10th, strength of fluid sensor.
Specific embodiment
As shown in figure 1, single oil rail double fuel automatic switchover system of the invention is used to be chosen any one kind of them from gasoline and methyl alcohol
Fuel as methanol engine fuel, the mode of operation of the methanol engine includes cold start-up mode of operation and normal work
Pattern.Single oil rail double fuel automatic switchover system is by Fuel Petroleum feed unit 1, methanol fuel feed unit 2, engine assembly
4th, temperature sensor 5, controller 6, Fuel Petroleum retracting device 7, methanol fuel retracting device 8, liquid level sensor 9 are constituted.Hair
After the cold start-up of motivation assembly 4, enabling signal is delivered to controller 6.The control Fuel Petroleum of controller 6 feed unit 1 provides gasoline
Fuel operates engine to engine assembly 4.As the temperature of engine is improved, temperature sensor 5 is examined in the present embodiment
Survey ECT.The methyl alcohol surplus and the Fuel Petroleum of the detection methanol fuel of liquid level sensor 9 feed unit 2 are supplied
To the gasoline surplus of unit 1.Temperature signal is delivered to controller 6 by the temperature sensor 5, while the liquid level sensor 9
By fuel residual amount signal transmission to controller 6.When ECT reaches predetermined value, engine is in normal work mould
Formula.When the methyl alcohol surplus for detecting provides subsequent engine enough to be operated, controller 6 opens methanol fuel feed unit 2, and
Fuel Petroleum feed unit 1 is closed, to cause next to provide the energy as engine instead of gasoline by methyl alcohol.Supplied in methanol fuel
While unlatching to unit 2, controller 6 opens Fuel Petroleum retracting device 7, and the gasoline in the recovery engine assembly 4 is extremely
The Fuel Petroleum feed unit 1.
Further, if switching to Fuel Petroleum from methanol fuel when supplying fuel, then the system can also be utilized
Methanol fuel retracting device 8, for when fuel is switched into the Fuel Petroleum by the methanol fuel, reclaiming engine total
Into the methanol fuel in 4 to the methanol fuel feed unit 2.
The system realizes the flexible switching within the engine of methanol fuel and Fuel Petroleum, is switching without being easily caused
Stop working in journey.
The parts distribution of single oil rail double fuel automatic switchover system is further illustrated with reference to Fig. 1 and Fig. 2.In the present embodiment
In, methanol fuel storage tank 205 is used to store methanol fuel.Fuel Petroleum storage tank 105 is used to store Fuel Petroleum.The methyl alcohol combustion
Material storage tank 205 and Fuel Petroleum storage tank 105 are arranged in the two chambers in same fuel tank, i.e. Fuel Petroleum storage tank 105 and first
Alcohol ate storage tank 205 constitutes double cavity structure fuel reservoir.The cold start-up of engine body 402, controller 6 to petrol pump electromagnetism after
Electrical equipment 102 sends signal, and petrol pump 101 starts.Gasoline passes in succession through gasoline pressure regulator valve 103, gasoline check valve 104, Yi Jisan
Port valve 3 enters oily rail injector assembly 401.Three directions that triple valve 3 leads to connect Fuel Petroleum storage tank 105, methyl alcohol respectively
Fuel reservoir 205, oily rail injector assembly 401.Gasoline passes through oily rail injector assembly 401 and is injected into engine body 402
As the fuel of engine.
As engine is started working by fuel of gasoline, ECT is raised.Engine enters normal work
Operation mode.Temperature sensor 5 monitors ECT, and temperature signal is delivered into the controller 6.Liquid level is passed
The methyl alcohol surplus in the detection methanol fuel of methyl alcohol liquid level sensor 902 storage tank 205 in sensor 9, and methyl alcohol residual signal is passed
It is delivered to the controller 6.The controller 6 is operated according to temperature signal and methyl alcohol residual signal：When methyl alcohol surplus is higher than
First preset temperature and when coolant temperature reaches predetermined value, controller 6 stops petrol pump electromagnetic relay 102, opens methyl alcohol
Pump electromagnetic relay 202；When methyl alcohol surplus is not higher than the first default liquid level and coolant temperature reaches predetermined value, controller 6
Continue to control petrol pump electromagnetic relay 102 to work.
When open methanol pump electromagnetic relay 202 after, methanol pump 201 starts, methyl alcohol pass in succession through methyl alcohol pressure regulator valve 203,
Methyl alcohol check valve 204 and triple valve 3 enter oily rail injector assembly 401.Methyl alcohol passes through the spray of oily rail injector assembly 401
Inject fuel of the engine body 402 as engine.Controller 6 is sending startup letter to methanol pump electromagnetic relay 202
Number while also send enabling signal to gasoline circuit electromagnetic relay 702, with cause first switch valve open.In the present embodiment
In, first switch valve is gasoline circuit electromagnetic valve 701.The gasoline of the residual in oily rail injector assembly 401 is along gasoline loop
Magnetic valve 701 returns to Fuel Petroleum storage tank 105.The real-time monitoring of strength of fluid sensor 10 oil of oily rail injector assembly 401
Fuel liquid concentration in rail, and strength of fluid value is returned into controller 6.When strength of fluid sensor detects Fuel Petroleum
Concentration when being not higher than the first preset value, the control gasoline circuit electromagnetic of controller 6 relay 702 is closed, and closes gasoline loop
Magnetic valve 701.
It is methyl alcohol liquid level sensor during engine body 402 provides methanol fuel in methanol fuel storage tank 205
The gasoline residual signal that the 902 methyl alcohol residual signals for detecting and gasoline levels sensor 901 are detected returns to controller 6.
When methyl alcohol surplus is not higher than the second preset value and enough gasoline surpluses, controller 6 sends to methanol pump electromagnetic relay 202 and stops
Stop signal, and send open signal to petrol pump electromagnetic relay 102.Meanwhile, controller 6 is also to methyl alcohol circuit electromagnetic relay
802 send open signal, to control second switch valve to open.In the present embodiment, second switch valve is methyl alcohol circuit electromagnetic valve
801.Therefore, the methyl alcohol circuit electromagnetic valve 801 of opening causes that the methanol fuel remained in oily rail passes through methyl alcohol circuit electromagnetic valve 801
Return to methanol fuel storage tank 205.Now, the gasoline in Fuel Petroleum storage tank 105 is that engine body 402 provides power.Simultaneously
The methyl alcohol remained in oil recovery rail is to methanol fuel storage tank 205.It is total that the real-time monitoring of strength of fluid sensor 10 oily rail injector
Fuel liquid concentration into 401 oily rail, and strength of fluid value is returned into controller 6.When strength of fluid value detects vapour
When the concentration of oil fuel is not higher than the second preset value, there is no methanol fuel in oily rail, controller 6 control methyl alcohol circuit electromagnetic after
Electrical equipment 802 is closed, and closes methyl alcohol circuit electromagnetic valve 801.
Therefore, after a cold start, if methyl alcohol surplus is not enough in methanol fuel storage tank 205, controller 6 can be with for engine
Fuel Petroleum is not switched into methyl alcohol, and directly worked with Fuel Petroleum.If enough, engine is in normal work for methyl alcohol surplus
Pattern, its fuel supply smoothly switches to methanol fuel from gasoline, and power is provided with methanol fuel.By powershift into methyl alcohol
After fuel, if methanol fuel exhausts, the present invention can realize for methanol fuel switching back into Fuel Petroleum again.And ensureing
While flexibly switching is used, trapped fuel can be recovered to corresponding combustion in oily rail, oil circuit for methanol fuel and Fuel Petroleum
Oil tank, will not cause methyl alcohol in fuel reservoir, gasoline to mix, so as to ensure methanol fuel and the respective purity of Fuel Petroleum.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple of the invention and show
Example property embodiment, but, without departing from the spirit and scope of the present invention, still can be direct according to present disclosure
It is determined that or deriving many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all these other variations or modifications.
Claims (10)
1. a kind of single oil rail double fuel automatic switching control system, for choosing any one kind of them fuel as methyl alcohol from gasoline and methyl alcohol
The fuel of engine, the mode of operation of the methanol engine includes cold start-up mode of operation and normal mode of operation, including：
Methanol fuel storage tank, for storing methanol fuel；
Fuel Petroleum storage tank, for storing Fuel Petroleum；
Methyl alcohol liquid level sensor, the liquid level for detecting the methanol fuel in the methanol fuel storage tank；
Oily rail injector assembly, for supplying methanol fuel from the methanol fuel storage tank to the methanol engine or from described
Fuel Petroleum storage tank supplies Fuel Petroleum to the methanol engine；With
Controller, for controlling the oily rail injector assembly to be supplied to the methanol engine in the cold start-up mode of operation
To the Fuel Petroleum, the methanol fuel detected according to the methyl alcohol liquid level sensor in the normal mode of operation
Liquid level come determine whether by fuel by the Fuel Petroleum switch to the methanol fuel or whether by fuel by the first
Alcohol ate switches to the Fuel Petroleum.
2. control system according to claim 1, wherein, also include：
Fuel Petroleum retracting device, for when fuel is switched into the methanol fuel by the Fuel Petroleum, by the oil
Remaining Fuel Petroleum is recycled to the Fuel Petroleum storage tank at rail injector assembly；
Methanol fuel retracting device, for when fuel is switched into the Fuel Petroleum by the methanol fuel, by the oil
Remaining methanol fuel is recycled to the methanol fuel storage tank at rail injector assembly.
3. control system according to claim 2, wherein, the Fuel Petroleum retracting device includes：
Fuel Petroleum recovery pipe, its one end is connected with the oily rail injector assembly, and the other end is stored up with the Fuel Petroleum
Tank is connected；
First switch valve, for selectively opening or closing the Fuel Petroleum recovery pipe.
4. the control system according to Claims 2 or 3, wherein, the methanol fuel retracting device includes：
Methanol fuel recovery pipe, its one end is connected with the oily rail injector assembly, and the other end is stored up with the methanol fuel
Tank is connected；
Second switch valve, for selectively opening or closing the methanol fuel recovery pipe.
5. control system according to claim 4, wherein, the first switch valve is configured to be beaten in the second switch valve
Closed when opening, opened when the second switch valve is closed；
The second switch valve is configured to be closed when the first switch valve is opened, and is beaten when the first switch valve is closed
Open.
6. the control system according to any one of claim 2-5, wherein, also include：
Strength of fluid sensor, for detecting methanol fuel at the oily rail injector assembly and/or the Fuel Petroleum
Concentration；
Wherein, the concentration that the first switch valve is configured to detect the Fuel Petroleum in the strength of fluid sensor is not high
Closed when the first preset value；
The concentration that the second switch valve is configured to detect the methanol fuel in the strength of fluid sensor is not higher than
Closed during two preset values.
7. control system according to claim 6, wherein, first preset value and second preset value are arranged to phase
Deng or it is unequal；
First preset value and second preset value are set to substantially zero.
8. the control system according to any one of claim 1-7, wherein, the methanol fuel storage tank and Fuel Petroleum are stored up
Tank is arranged in the two chambers in same fuel tank.
9. control system according to claim 8, wherein, the controller is configured to the work in the methanol engine
When pattern switches to the normal mode of operation by the cold start-up mode of operation, detected in the methyl alcohol liquid level sensor
When the liquid level of the methanol fuel is not higher than the first default liquid level, the oily rail injector assembly is controlled to continue to be sent out to the methyl alcohol
Motivation supplies the Fuel Petroleum, otherwise, controls the oily rail injector assembly to supply methanol fuel to the methanol engine.
10. the control system according to any one of claim 1-9, wherein, the controller is configured in the methyl alcohol
When the mode of operation of engine is in the normal mode of operation, in the methyl alcohol combustion that the methyl alcohol liquid level sensor is detected
When the liquid level of material is not higher than the second default liquid level, control the oily rail injector assembly that fuel is switched to by the methanol fuel
The Fuel Petroleum, otherwise, controls the oily rail injector assembly to continue to supply the methanol fuel to the methanol engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710009980.5A CN106837568A (en) | 2017-01-06 | 2017-01-06 | A kind of single oil rail double fuel automatic switching control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710009980.5A CN106837568A (en) | 2017-01-06 | 2017-01-06 | A kind of single oil rail double fuel automatic switching control system |
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| CN106837568A true CN106837568A (en) | 2017-06-13 |
Family
ID=59117893
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|---|---|---|---|
| CN201710009980.5A Pending CN106837568A (en) | 2017-01-06 | 2017-01-06 | A kind of single oil rail double fuel automatic switching control system |
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| CN109458262A (en) * | 2019-01-18 | 2019-03-12 | 东莞传动电喷科技有限公司 | A kind of bifuel system |
| CN110630387A (en) * | 2019-09-30 | 2019-12-31 | 潍柴动力股份有限公司 | Method, device and system for switching dual-fuel engine |
| CN111677609A (en) * | 2020-06-09 | 2020-09-18 | 一汽解放汽车有限公司 | Dual-fuel system and vehicle |
| CN113047994A (en) * | 2021-03-31 | 2021-06-29 | 广船国际有限公司 | Methanol fuel dual-fuel ship |
| CN113277054A (en) * | 2021-06-29 | 2021-08-20 | 广船国际有限公司 | Marine methanol supply system |
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| CN113047994A (en) * | 2021-03-31 | 2021-06-29 | 广船国际有限公司 | Methanol fuel dual-fuel ship |
| CN113277054A (en) * | 2021-06-29 | 2021-08-20 | 广船国际有限公司 | Marine methanol supply system |
| CN113277054B (en) * | 2021-06-29 | 2022-05-27 | 广船国际有限公司 | Marine methanol supply system |
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Inventor after: Li Shufu Inventor after: Wu Yongsheng Inventor after: Jin Xianyang Inventor after: Tao Jinfeng Inventor after: Song Jinhuan Inventor before: Wu Yongsheng Inventor before: Jin Xianyang Inventor before: Tao Jinfeng Inventor before: Song Jinhuan |
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Application publication date: 20170613 |