CN201486667U - Fuel control system of methanol fuel automobile - Google Patents
Fuel control system of methanol fuel automobile Download PDFInfo
- Publication number
- CN201486667U CN201486667U CN2009201871926U CN200920187192U CN201486667U CN 201486667 U CN201486667 U CN 201486667U CN 2009201871926 U CN2009201871926 U CN 2009201871926U CN 200920187192 U CN200920187192 U CN 200920187192U CN 201486667 U CN201486667 U CN 201486667U
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- Prior art keywords
- fuel
- control system
- cold start
- oil
- supply system
- 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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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 153
- 239000000446 fuel Substances 0.000 title claims abstract description 79
- 239000003502 gasoline Substances 0.000 claims description 31
- 239000002828 fuel tank Substances 0.000 abstract description 9
- 239000003921 oil Substances 0.000 description 46
- 239000000295 fuel oil Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
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- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The utility model provides a fuel control system of a methanol fuel automobile applied in the field of two-purpose fuel automotive engines. The fuel control system of a methanol fuel automobile comprises a methanol fuel supply system, wherein a cold-start auxiliary fuel supply system is added on the fuel control system of the methanol fuel automobile, the methanol fuel supply system and the cold-start auxiliary fuel supply system are both controlled by an engine ECU (20), and the fuel control system of the methanol fuel automobile is provided with a fuel switching switch (19) which is connected with the engine ECU. Through the system, the problem of difficult low-temperature cold-start of methanol fuel is solved, the risks that a inlet manifold burns, fuel explodes and the like are avoided, the engine can operate more stably, the system is only need one fuel switching switch for switching fuel of a main fuel tank, and the cold-start system is controlled by ECU without manual operation.
Description
Technical field
The utility model belongs to the variable fuel vehicle engine art, particularly a kind of fuel control system of methanol fuel automobile.
Background technique
Methyl alcohol, gasoline dual-purpose fuel motor car engine ubiquity cold start-up difficulty mainly are because the characteristic of methyl alcohol causes at present.In order to guarantee the methyl alcohol cold start-up, adopt methods such as the fuel oil that adds in the deep fat rail, heating air inlet mostly.Twine electric heating wire on oily rail, the methanol fuel in the oily rail is heated, heated fuel oil is easy to generate explosion risk; Install the electrical heating wire heating air inlet additional at the throttle valve body place, because that intake manifold is kept away the temperature difference is big.The fuel oil that sprays can't fully evaporate, and in time enters cylinder combustion and burns, and remains in the intake manifold.Produce tempering when making engine operation easily like this, suction tude is blown out.Make the engine operation instability.
The model utility content
Technical problem to be solved in the utility model is: a kind of low-temperature cool starting difficult problem that can solve methanol fuel is provided, avoids backfiring in intake manifold, fuel oil blast equivalent risk to make the more fuel control system of the methanol fuel automobile of stable operation of motor simultaneously.
For solving above technical problem, the technical solution adopted in the utility model is:
The utility model is a kind of methanol fuel automobile fuel control system, comprises the methyl alcohol oil supply system, increases the cold start-up AFS Auxiliary Fuel Supply System on described methanol fuel automobile fuel control system.Described methyl alcohol oil supply system and cold start-up AFS Auxiliary Fuel Supply System are all controlled by Engine ECU.
Described fuel diverter switch mainly is according to being which kind of fuel (methanol fuel or gasoline) control Engine ECU is selected relevant data run for use in the main fuel tank.
Described cold start-up assisted control system is the gasoline oil supply system.
The auxiliary oil pump of described cold start-up assisted control system is arranged in the drop tank, drop tank is connected with the cold start-up oil inlet pipe, between drop tank and the cold start-up oil inlet pipe gasoline filter is set, between drop tank and the cold start-up oil inlet pipe gasoline return tube is set, mechanical pressure regulator valve is set on the gasoline return tube, cold start-up oil rail is connected with the cold start-up oil inlet pipe, and gasoline ejector is arranged on the cold start-up oil rail.
The fuel diverter switch that described control motor switches between methyl alcohol oil supply system and gasoline oil supply system is connected with Engine ECU.
Described fuel diverter switch mainly is to be which kind of fuel (methanol fuel or gasoline) control Engine ECU is selected relevant data run for use according to main fuel tank.
Described motor EUC is connected with need the controller of cold starting by sensor judge.
Described motor EUC need to judge whether cold starting by cooling-water temperature sensor, and ECU selects for use related data to move motor by controller automatically then.
Adopt the technical solution of the utility model, can obtain following beneficial effect:
By this control system, can solve the low-temperature cool starting difficult problem of methanol fuel, avoid backfiring in intake manifold, fuel oil blast equivalent risk to make the more stable operation of motor simultaneously; System only needs a fuel diverter switch, is used for main fuel tank fuel and switches, and cold starting system is controlled by ECU, does not need manual operation.
Description of drawings:
Below expressed content of each width of cloth accompanying drawing in this specification and the mark among the figure are made brief description:
Fig. 1 is the linkage structure schematic representation of the fuel control system of methanol fuel automobile described in the utility model;
Fig. 2 is a control flow schematic representation of the present utility model;
Be labeled as among the figure: 1, methyl alcohol oil sprayer; 2, methyl alcohol oil rail; 3, main oil pump; 4, main fuel tank; 5, auxiliary oil pump; 6, gasoline ejector; 7, cold start-up oil rail; 8, cold start-up oil inlet pipe; 9, methyl alcohol oil inlet pipe; 10, methyl alcohol filter cleaner; 11, three-way valve; 12, methyl alcohol return tube; 13, mechanical pressure regulator valve; 14, gasoline filter; 15, three-way valve; 16, gasoline return tube; 17, mechanical pressure regulator valve; 18, drop tank; 19, fuel diverter switch; 20, Engine ECU;
Concrete control mode
Contrast accompanying drawing below, by description, the effect of the mutual alignment between the shape of embodiment of the present utility model such as related each member, structure, the each several part and annexation, each several part and working principle etc. are described in further detail embodiment:
As shown in Figure 1, the utility model is a kind of fuel control system of methanol fuel automobile, increase the cold start-up AFS Auxiliary Fuel Supply System on described methanol fuel automobile fuel control system, described methyl alcohol oil supply system and cold start-up AFS Auxiliary Fuel Supply System are all by Engine ECU 20 controls.
Described fuel diverter switch 19 mainly is to be which kind of fuel (methanol fuel or gasoline) control Engine ECU 20 is selected relevant data run for use according to main fuel tank.
Described cold start-up assisted control system is the gasoline oil supply system.
The auxiliary oil pump 5 of described cold start-up assisted control system is arranged in the drop tank 18, drop tank 18 is connected with cold start-up oil inlet pipe 8, between drop tank 18 and the cold start-up oil inlet pipe 8 gasoline filter 14 is set, between drop tank 18 and the cold start-up oil inlet pipe 8 gasoline return tube 16 is set, mechanical pressure regulator valve 17 is set on the gasoline return tube 16, cold start-up oil rail 7 is connected with cold start-up oil inlet pipe 8, and gasoline ejector 6 is arranged on the cold start-up oil rail 7.
The fuel diverter switch 19 that described control motor switches between methyl alcohol oil supply system and gasoline oil supply system is connected with Engine ECU 20.
Described motor EUC20 is connected with the controller 21 that needs cold starting by sensor judge.
The control system of model utility is still continued to use the oil sprayer of original motor.The oil sprayer material is changed, installed additional a cover cold start-up oil rail simultaneously.Increase another set of gasoline oil supply system on car load original oil supply system basis, newly-increased auxiliary oil pump 5, drop tank 18 are used for cold starting.Use two FP Fuel Pump Relays to switch by the work of Engine ECU 20 controllers control main oil pump 3, auxiliary oil pump 5.
Working procedure of the present utility model is as follows:
1, when main fuel tank 4 is gasoline (drop tank 18 always is gasoline), the driver selects for use the gasoline data to carry out motor by fuel shift switch 19 control Engine ECU 20 controllers and normally moves.
2, when main fuel tank 4 is methanol fuel, the driver selects for use the methyl alcohol data to move by fuel diverter switch 19 control Engine ECU 20 controllers.This moment, the controller 21 of motor EUC20 needed cold starting by sensor judge, and Engine ECU 20 controllers are selected main fuel tank 4, drop tank 18.
(1) judges according to cooling-water temperature sensor when Engine ECU 20 and directly move main oil pump 3 startings when can start, need not carry out assisted cold start by control auxiliary oil pump 5 with methyl alcohol.
(2) judge needs gasoline assistant starting when Engine ECU 20 according to cooling-water temperature sensor, the work of cold start-up oil rail injector is controlled in 5 operations of Engine ECU 20 control auxiliary oil pumps, carries out assisted cold start.
3, the gasoline auxiliary actuating apparatus is after operation a period of time, and system will judge according to corresponding sensor-signal automatically, automatically switch to the methanol fuel operation.Stop auxiliary oil pump 5 work, start main oil pump 3 work simultaneously, the oil spout of control methyl alcohol oil rail injector.
By control system of the present utility model, can solve the low-temperature cool starting difficult problem of methanol fuel, avoid backfiring in intake manifold, fuel oil blast equivalent risk to make the more stable operation of motor simultaneously.
In conjunction with the accompanying drawings the utility model has been carried out exemplary description above; obviously the concrete realization of the utility model is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present utility model and technological scheme to carry out; or design of the present utility model and technological scheme are directly applied to other occasions without improving, all in protection domain of the present utility model.
Claims (5)
1. the fuel control system of a methanol fuel automobile, comprise the methyl alcohol oil supply system, it is characterized in that: on described methanol fuel automobile fuel control system, increase the cold start-up AFS Auxiliary Fuel Supply System, described methyl alcohol oil supply system and cold start-up AFS Auxiliary Fuel Supply System are all by Engine ECU (20) control, the fuel diverter switch (19) that the setting of described methanol fuel automobile fuel control system is connected with Engine ECU.
2. according to the described methyl alcohol fuel for cold starting car control system of claim 1, it is characterized in that: described cold start-up assisted control system is the gasoline oil supply system.
3. according to claim 1 or 2 described methyl alcohol fuel for cold starting car control system, it is characterized in that: the auxiliary oil pump of described cold start-up assisted control system (5) is arranged in the drop tank (18), drop tank (18) is connected with cold start-up oil inlet pipe (8), between drop tank (18) and the cold start-up oil inlet pipe (8) gasoline filter (14) is set, between drop tank (18) and the cold start-up oil inlet pipe (8) gasoline return tube (16) is set, mechanical pressure regulator valve (17) is set on the gasoline return tube (16), cold start-up oil rail (7) is connected with cold start-up oil inlet pipe (8), and gasoline ejector (6) is arranged on the cold start-up oil rail (7).
4. according to the described methyl alcohol fuel for cold starting car control system of claim 1, it is characterized in that: the fuel diverter switch (19) that described control motor switches between methyl alcohol oil supply system and gasoline oil supply system is connected with Engine ECU (20).
5. according to the described methyl alcohol fuel for cold starting car control system of claim 1, it is characterized in that: described motor EUC (20) is connected with the controller (21) that needs cold starting by sensor judge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201871926U CN201486667U (en) | 2009-08-27 | 2009-08-27 | Fuel control system of methanol fuel automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201871926U CN201486667U (en) | 2009-08-27 | 2009-08-27 | Fuel control system of methanol fuel automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201486667U true CN201486667U (en) | 2010-05-26 |
Family
ID=42425546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201871926U Expired - Fee Related CN201486667U (en) | 2009-08-27 | 2009-08-27 | Fuel control system of methanol fuel automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201486667U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943096A (en) * | 2010-08-20 | 2011-01-12 | 李忠清 | Automobile oil rail device |
| CN102182569A (en) * | 2011-04-11 | 2011-09-14 | 姚志文 | Burnable methanol fuel device of electrospray gasoline engine |
| CN102338000A (en) * | 2011-09-28 | 2012-02-01 | 刘孟波 | Fuel control device of dual-fuel automobile |
| CN103174564A (en) * | 2013-03-21 | 2013-06-26 | 怀远县盛隆新能源科技有限公司 | Cold-starting device of methanol automobile |
| CN106884728A (en) * | 2017-03-28 | 2017-06-23 | 浙江吉利控股集团有限公司 | A kind of vehicle engine control system and control method |
-
2009
- 2009-08-27 CN CN2009201871926U patent/CN201486667U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943096A (en) * | 2010-08-20 | 2011-01-12 | 李忠清 | Automobile oil rail device |
| CN102182569A (en) * | 2011-04-11 | 2011-09-14 | 姚志文 | Burnable methanol fuel device of electrospray gasoline engine |
| CN102338000A (en) * | 2011-09-28 | 2012-02-01 | 刘孟波 | Fuel control device of dual-fuel automobile |
| CN103174564A (en) * | 2013-03-21 | 2013-06-26 | 怀远县盛隆新能源科技有限公司 | Cold-starting device of methanol automobile |
| CN106884728A (en) * | 2017-03-28 | 2017-06-23 | 浙江吉利控股集团有限公司 | A kind of vehicle engine control system and control method |
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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: 20100526 Termination date: 20130827 |