CN104047740A - Automobile methanol burning and cold starting integral control device and control method - Google Patents
Automobile methanol burning and cold starting integral control device and control method Download PDFInfo
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- CN104047740A CN104047740A CN201410180626.5A CN201410180626A CN104047740A CN 104047740 A CN104047740 A CN 104047740A CN 201410180626 A CN201410180626 A CN 201410180626A CN 104047740 A CN104047740 A CN 104047740A
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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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- 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
- Y02T10/40—Engine management systems
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Abstract
The invention relates to an automobile methanol burning and cold starting integral control device and a control method. The device comprises an outer casing and a control system, wherein the control system is arranged in the outer casing. The control system is characterized by also comprising a second single chip microprocessor, the control signals of oil spraying nozzles of four cylinders of an engine are connected with the input end of the second single chip microprocessor through a signal arranging Schmidt phase reversing circuit, the output end of a fuel conversion control circuit is connected with the input end of an oil spraying amount proportional adjusting circuit, the output end of the oil spraying amount proportional adjusting circuit is connected with the input end of the second single chip microprocessor, the output end of the second single chip microprocessor is connected with the input end of an oil spraying amount control output circuit through the other Schmidt phase reversing circuit, and the output end of the oil spraying amount control output circuit is respectively connected with the oil spraying valves of the cylinder I, the cylinder II, the cylinder III and the cylinder IV. When the automobile is modified into the methanol burning type, the one-time modification is realized, the control function of the existing oil spraying system applicable to the methanol burning is realized, the cold starting automatic control function is also realized, and the circuit is simplified.
Description
Technical field
The present invention relates to a kind of automotive controls and controlling method, is that integrated device and controlling method are controlled in a kind of automobile burning methyl alcohol and cold starting specifically.
Background technique
At present because gas price is higher, many people attempt allowing automobile use alternative fuel, and such as rock gas etc., automobile changes that to burn methyl alcohol be also one of comparatively practical measure.After automobile changes burning methyl alcohol, power situation does not significantly change, but fuel cost declines approximately half, burn rock gas and compare with changing, be not subject to locality to have or not the restriction of gas station, without sacrificing extremely limited space in car, place the gas tank of large volume yet, burn rock gas with repacking and compare, the recondition expense that changes burning methyl alcohol is low, reequip simple and conveniently, have the people of practical ability, oneself also can complete.
Automobile changes and burns methyl alcohol and an automobile need to be installed change combustion methanol controller, object is after changing burning methyl alcohol, to control the size of fuel injection amount, this automobile changes combustion methanol controller after having gathered former car fuel injection quantity data, then controls injection system and make fuel injection quantity compared with burns gasoline, increase certain proportion to reach the power performance same with burns gasoline when combustion methanol.This device is provided with one can make the fuel selective switchgear of corresponding conversion in the pure gasoline of automobile burning, gasoline and Methanol Blends, pure methyl alcohol, according to the difference of institute's fueling, control whether increase fuel injection quantity or to increase fuel injection quantity number.
Because methyl alcohol burning-point is higher, when the alternative fuel as fuel-engined vehicle, compared with hard-to-start, be maximum problem, even be also difficult to a dozen starter motors with car higher summer in temperature, to just more hard-to-start in winter, cannot start even at all.Therefore many automobiles of reequiping combustion methanol, to winter have to by the equipment Removal of combustion methanol need not, then change burning gasoline.In burns gasoline, gasoline and methyl alcohol mixed combustion, combustion methanol or starting, need in addition manual switchover fuel selective switchgear, operate also very loaded down with trivial details.
Claimant is in the patent of invention " a kind of automobile burning cold starting with methanol controller " of application on January 17th, 2013, the patent No.: 201320023589.8; The patent of invention " a kind of automobile burning methyl alcohol cold start controlling device and cold start-up method " of applying on the same day, application number 201310016667.6; Although solved the problems referred to above.After loading onto cold starting controller, make the automobile of reequiping combustion methanol no longer for it cold hard-to-start is anxious.But cold starting controller and automobile burning methyl alcohol controller are two products after all, for the automobile of having reequiped methyl alcohol controller, install again cold starting automatic controller additional proper, still, for the automobile of new repacking combustion methanol, but seem and not only bother but also uneconomical.
Summary of the invention
The shortcoming existing in order to overcome above-mentioned prior art, the object of the present invention is to provide a kind of automobile to burn methyl alcohol and cold starting control integrated device and controlling method, can when burning methyl alcohol, automobile repacking disposable repacking put in place, the control function that adapts to combustion methanol for realizing the injection system that both changed, there is again cold starting automatic control function that circuit structure basis is provided, and make circuit reduction.
Automobile provided by the invention burns methyl alcohol and integrated device is controlled in cold starting, comprise shell and control system is in the enclosure set, described control system comprises first single-chip microcomputer, decompression voltage regulator, start control circuit, temperature transducer, temperature-control circuit, fuel oil control circuit and fuel conversion control circuit; Described first single-chip microcomputer is connected with the power supply outside housing by mu balanced circuit; The input end of described temperature-control circuit is connected with temperature transducer, and the output terminal of temperature-control circuit is connected with first single-chip microcomputer; Described start control circuit is connected with car engine start circuit with first single-chip microcomputer respectively; Described fuel oil control circuit is connected with former car oil pump power supply circuits, main fuel tank methanol pump power supply circuits and drop tank petrol pump power supply circuits respectively, and the control signal input end of fuel oil control circuit is connected with first single-chip microcomputer; Described fuel conversion control circuit is connected with the power supply circuits of main fuel tank methanol pump; The specialization that this automobile burns methyl alcohol and cold starting control integrated device is:
Described control system also comprises second single-chip microcomputer; The control signal of four cylinder fuel injection valves of motor arranges Schmidt's negative circuit by signal and is connected with the input end of described second single-chip microcomputer;
The output terminal of described fuel conversion control circuit connects the input end of fuel injection quantity ratio regulating circuit, and the output terminal of fuel injection quantity ratio regulating circuit is connected to the input end of second single-chip microcomputer;
The input end that the output terminal of second single-chip microcomputer is controlled output circuit by another Schmidt's negative circuit with fuel injection quantity is connected, and the output terminal that fuel injection quantity is controlled output circuit connects respectively a cylinder fuel injection valve, two cylinder fuel injection valves, three cylinder fuel injection valves, four cylinder fuel injection valves.
Further, described control system also comprises oil mass observation circuit, warning circuit and buzzer, and described oil mass observation circuit is connected with the fuel-quantity transducer being arranged on drop tank with first single-chip microcomputer respectively; Described warning circuit is by being connected with buzzer with first single-chip microcomputer respectively.
Further, described control system also comprises emergency control circuit, and described emergency control circuit is connected with the emergency cock being arranged on shell with first single-chip microcomputer respectively.
Further, described temperature-control circuit is divided into 10 grades, and every grade has an electronic switch to be connected with an inlet opening of first single-chip microcomputer.
Further, described control system also comprises indicating circuit and tri-colour LED, and described tri-colour LED is connected respectively with drop tank petrol pump power supply circuits, main fuel tank methanol pump power supply circuits, emergency control circuit.
Further, described fuel injection quantity ratio Circuit tuning divides by four code switchs and forms, and each code switch is connected with an inlet opening of second single-chip microcomputer.By the permutation and combination of four code switchs, can change respectively the current potential of four inlet openings of second single-chip microcomputer, make second single-chip microcomputer according to the difference of permutation and combination, there are 11 fuel injection quantity outputs with institute image data multiple different proportion.
Further, described tri-colour LED and emergency cock are arranged on a side of shell, and described shell is provided with the fixed plate for set casing, and described fixed plate is provided with fixed hole.
Controlling method of burning methyl alcohol and cold starting control integrated device based on above-mentioned automobile provided by the invention, comprises step:
1) described temperature-control circuit ℃ is divided into 10 grades to the highest+32 ℃ by ambient temperature from minimum-40, and every grade has an electronic switch to be connected with an inlet opening of single-chip microcomputer; When the ambient temperature electrical signal that temperature transducer is sent here conforms to a certain shelves of temperature-control circuit, the electronic switch that is about to this grade is opened, and changes the current potential of connected single-chip microcomputer inlet opening;
2) detect the actuating signal of car engine start circuit, and send signal to single-chip microcomputer;
3) when monitoring the actuating signal of ambient temperature signal and car engine start circuit and change simultaneously, single-chip microcomputer disconnects the power supply to main fuel tank methanol pump by controlling former car oil pump power supply circuits, drop tank petrol pump is powered simultaneously, from drop tank petrol pump, send gasoline in motor, automobile starts by burns gasoline;
4) single-chip microcomputer is according to the result of temperature observation circuit monitoring, control output proper extension after the regular hour, single-chip microcomputer is powered to main fuel tank methanol pump by controlling former car oil pump power supply circuits, disconnect the power supply to drop tank petrol pump, motor car engine is recovered combustion methanol by burns gasoline simultaneously;
The specialization of this controlling method is also to comprise step:
The control signal that former car is sent to four cylinder fuel injection valves of motor arranges Schmidt's negative circuit by signal and introduces second single-chip microcomputer;
Fuel conversion control circuit is introduced second single-chip microcomputer by the signal of institute's fueling kind by fuel injection quantity ratio Circuit tuning;
Second single-chip microcomputer is according to the difference of vehicle institute fueling kind, by another Schmidt's negative circuit, fuel injection quantity is controlled to the control signal that output circuit output extends the time of injection valve burner oil according to a certain percentage, fuel injection quantity is controlled output circuit and is controlled respectively a cylinder fuel injection valve, two cylinder fuel injection valves, three cylinder fuel injection valves, four cylinder fuel injection valves execution according to this control signal; The power of vehicle is remained unchanged when combustion methanol and burns gasoline.
Further, described method also comprises: by the oil mass in fuel-quantity transducer Real-Time Monitoring drop tank, when low on fuel, report to the police.
Further, when depositing that the former main fuel tank of methyl alcohol breaks down or methyl alcohol is finished, by stirring emergency cock, make the gasoline in engine combustion drop tank.
The invention has the beneficial effects as follows: this kind of automobile burns methyl alcohol and cold starting to be controlled the disposable repacking when methyl alcohol is burnt in automobile repacking of one function and put in place, and the injection system that both changed adapts to the control function of combustion methanol, has again cold starting automatic control function; But not that two controllers are simply combined, but the function of two controllers is optimized respectively and is promoted, simplify circuit, strengthened antijamming capability.So both improve reliability, reduced again cost, also reduced repacking person's economic input.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is described further:
Fig. 1 is the circuit structure block diagram that in the present invention, automobile burns the embodiment of methyl alcohol and cold starting control integrated device;
Fig. 2 is the structural representation of front cover one side of embodiment's housing that in the present invention, automobile burns methyl alcohol and cold starting control integrated device;
Fig. 3 is the structural representation of rear end cover one side of shell;
Fig. 4 is the perspective view that in the present invention, automobile burns methyl alcohol and cold starting control integrated device;
In figure: 1 shell, 2 front covers, 3 rear end covers, 4 tri-colour LEDs, 5 code switchs, 6 emergency cocks, 716 hole tenminal block connectors, 8 buzzers.
Embodiment
This automobile burns methyl alcohol and integrated device is controlled in cold starting, comprises shell 1 and is arranged on the control system in shell 1.
As shown in Figure 1, described control system comprises first single-chip microcomputer, decompression voltage regulator, start control circuit, temperature transducer, temperature-control circuit, fuel oil control circuit and fuel conversion control circuit.
In this embodiment, decompression voltage regulator is the stabilized power supply in Fig. 1.
Described first single-chip microcomputer is connected with the power supply outside housing by stabilized power supply.The input end of described temperature-control circuit is connected with temperature transducer, and the output terminal of temperature-control circuit is connected with first single-chip microcomputer; Described start control circuit is connected with car engine start circuit with first single-chip microcomputer respectively; Described fuel oil control circuit is connected with former car oil pump power supply circuits, main fuel tank methanol pump power supply circuits and drop tank petrol pump power supply circuits respectively, and the control signal input end of fuel oil control circuit is connected with first single-chip microcomputer; Described fuel conversion control circuit is connected with main fuel tank methanol pump power supply circuits; The specialization that this automobile burns methyl alcohol and cold starting control integrated device is:
Described control system also comprises second single-chip microcomputer; The control signal of four cylinder fuel injection valves of motor arranges Schmidt's negative circuit by signal and is connected with the input end of described second single-chip microcomputer;
The output terminal of described fuel conversion control circuit connects the input end of fuel injection quantity ratio regulating circuit, and the output terminal of fuel injection quantity ratio regulating circuit is connected to the input end of second single-chip microcomputer;
The input end that the output terminal of second single-chip microcomputer is controlled output circuit by another Schmidt's negative circuit with fuel injection quantity is connected, and the output terminal that fuel injection quantity is controlled output circuit connects respectively a cylinder fuel injection valve, two cylinder fuel injection valves, three cylinder fuel injection valves, four cylinder fuel injection valves.It is prior art that fuel injection quantity is controlled output circuit.
In this embodiment
Further, described control system also comprises oil mass observation circuit, warning circuit and buzzer, and described oil mass observation circuit is connected with the fuel-quantity transducer being arranged on drop tank with first single-chip microcomputer respectively; Described warning circuit is by being connected with buzzer 8 with first single-chip microcomputer respectively.Gasoline use amount at attached fuel tank surpasses at 2/3rds o'clock, can remind car owner to install gasoline additional in additional petrol tank by automatic alarm.
Further, described control system also comprises emergency control circuit, and described emergency control circuit is connected with the emergency cock 6 being arranged on shell with first single-chip microcomputer respectively.When main fuel tank breaks down or when added methyl alcohol is finished, only need stir the emergency cock on integrated machine, get final product the gasoline in the attached fuel tank of control engine perfect combustion, can make automobile under case of emergency, use gasoline to travel tens kilometers, pending fault is got rid of or is filled it up with after main fuel tank methanol fuel, emergency cock is reversed, can recover normal work at once.
Further, described temperature-control circuit is divided into 10 grades, and for example temperature-control circuit ℃ is divided into 10 grades to the highest+32 ℃ by ambient temperature from minimum-40, and every grade has an electronic switch to be connected with an inlet opening of first single-chip microcomputer.When the ambient temperature electrical signal that temperature transducer is sent here conforms to a certain shelves of temperature-control circuit, the electronic switch that is about to this grade is opened, and changes the current potential of connected single-chip microcomputer inlet opening.
Further, described control system also comprises indicating circuit and tri-colour LED 4, and described tri-colour LED 4 is connected respectively with drop tank petrol pump power supply circuits, main fuel tank methanol pump power supply circuits, emergency control circuit.The red burns gasoline that represents of tri-colour LED, the yellow emergency condition that represents, the green combustion methanol that represents.
Further, described fuel injection quantity ratio Circuit tuning is comprised of four code switchs,, each code switch is connected with an inlet opening of second single-chip microcomputer.Code switch 5 in four code switch constitutional diagrams 2, code switch 5 is arranged on front cover 2.Utilize the on off operating mode of each switch of code switch 5 can form 11 kinds of combinations, can control second chip microcontroller fuel injection quantity has 11 kinds of ratios to regulate.The setting of code switch 5 makes this device have the regulatory function of manual fuel, can be according to repacking person's use habit after installing pure gasoline, gasoline and Methanol Blends and pure methyl alcohol additional, the ratio of free adjusting Single-chip Controlling fuel injection quantity, to reach the balance between fuel use amount and power output, like this no matter which type of fuel user adds, can, guaranteeing that engine power exports sufficient in the situation that, reach most economical fuel consumption.
Further, described tri-colour LED 4 and emergency cock 6 are arranged on a side of shell 1, and this side is front cover 2; Described shell 1 is provided with the fixed plate for set casing, and described fixed plate is provided with fixed hole; As shown in Figure 2,3, 4.
According to Fig. 1, can find out, the control system that this automobile burns in methyl alcohol and cold starting control integrated device has 16 interfaces, therefore on the rear end cover 3 of shell, be provided with 16 hole tenminal block connectors 7, as shown in Figure 3, conveniently realize modularization and connect or take apart fast.
Controlling method of burning methyl alcohol and cold starting control integrated device based on above-mentioned automobile provided by the invention, comprises step:
1) described temperature-control circuit ℃ is divided into 10 grades to the highest+32 ℃ by ambient temperature from minimum-40, and every grade has an electronic switch to be connected with an inlet opening of first single-chip microcomputer; When the ambient temperature electrical signal that temperature transducer is sent here conforms to a certain shelves of temperature-control circuit, the electronic switch that is about to this grade is opened, and changes the current potential of connected first single-chip microcomputer inlet opening;
2) detect the actuating signal of car engine start circuit, and send signal to first single-chip microcomputer;
3) when monitoring the actuating signal of ambient temperature signal and car engine start circuit and change simultaneously, first single-chip microcomputer disconnects the power supply to main fuel tank methanol pump by controlling former car oil pump power supply circuits, drop tank petrol pump is powered simultaneously, from drop tank petrol pump, send gasoline in motor, automobile starts by burns gasoline;
4) first single-chip microcomputer is according to the result of temperature observation circuit monitoring, control output proper extension after the regular hour, first single-chip microcomputer is powered to main fuel tank methanol pump by controlling former car oil pump power supply circuits, disconnect the power supply to drop tank petrol pump, motor car engine is recovered combustion methanol by burns gasoline simultaneously;
The specialization of this controlling method is also to comprise step:
The control signal that former car is sent to four cylinder fuel injection valves of motor arranges Schmidt's negative circuit by signal and introduces second single-chip microcomputer;
Fuel conversion control circuit is introduced second single-chip microcomputer by the signal of institute's fueling kind by fuel injection quantity ratio Circuit tuning;
Second single-chip microcomputer is according to the difference of vehicle institute fueling kind, by another Schmidt's negative circuit, fuel injection quantity is controlled to the control signal that output circuit output extends the time of injection valve burner oil according to a certain percentage, fuel injection quantity is controlled output circuit and is controlled respectively a cylinder fuel injection valve, two cylinder fuel injection valves, three cylinder fuel injection valves, four cylinder fuel injection valves execution according to this control signal; The power of vehicle is remained unchanged when combustion methanol and burns gasoline.
The method further also comprises: by the oil mass in fuel-quantity transducer Real-Time Monitoring drop tank, when low on fuel, report to the police.
The method further also comprises: when depositing that the former main fuel tank of methyl alcohol breaks down or methyl alcohol is finished, by stirring emergency cock, make the gasoline in engine combustion drop tank.
The working principle that integrated device is controlled in this automobile burning methyl alcohol and cold starting is as follows:
Due to methyl alcohol, relatively gasoline heat value is low, and the automobile that originally burnt gasoline changes that to burn the subject matter that methyl alcohol need to solve be exactly the emitted dose that changes fuel, and the power that combustion methanol still can reach as burns gasoline after automobile repacking is exported.The working principle of this controller is exactly former car to be sent to the control signal introducing single-chip microcomputer of four cylinder fuel injection valves of motor, by single-chip microcomputer according to the difference of vehicle institute fueling, according to certain proportional control injection valve, extend the time of burner oil, thereby the emitted dose that increases fuel remains unchanged the power of vehicle when combustion methanol and burns gasoline.The emitted dose that changes methanol fuel can not change the problem that it is difficult to ignition trigger, cold starting control section is for controlling the gasoline in the additional fuel tank of engine combustion when the vehicle launch, make it be easy to starting, methyl alcohol after hot car in conversion burning main fuel tank, the vehicle of two-part co-controlling repacking, no matter under any weather conditions, can start smoothly, operation, thoroughly solve automobile and changed burning methyl alcohol starting difficulty afterwards, the problem of the cold complete fail to start in sky in winter even, make automobile after changing combustion methanol, starting operation can be handy as burns gasoline before not reequiping, need not be again for hard-to-start after changing burning methyl alcohol be anxious, both solve refitted car and controlled loaded down with trivial details problem, also reached the object of fuel economy.Use changes burning methyl alcohol and integrated machine is controlled in cold starting automatically, has solved the bottleneck of methyl alcohol as alternative fuel for cars industry.Use this controller, by the tutorial light on controller, can see intuitively the process of controller convert fuel.The process of starting and operation operates by Single-chip Controlling, without manual intervention.With this cold starting controller, corresponding accessory in connection, open the car of repacking after combustion methanol convenient just as ending the car of full burns gasoline, and can save a large amount of fuel and pay.
Claims (10)
1. automobile burns methyl alcohol and cold starting control integrated device, comprise shell and control system is in the enclosure set, described control system comprises first single-chip microcomputer, decompression voltage regulator, start control circuit, temperature transducer, temperature-control circuit, fuel oil control circuit and fuel conversion control circuit; Described first single-chip microcomputer is connected with the power supply outside housing by mu balanced circuit; The input end of described temperature-control circuit is connected with temperature transducer, and the output terminal of temperature-control circuit is connected with first single-chip microcomputer; Described start control circuit is connected with car engine start circuit with first single-chip microcomputer respectively; Described fuel oil control circuit is connected with former car oil pump power supply circuits, main fuel tank methanol pump power supply circuits and drop tank petrol pump power supply circuits respectively, and the control signal input end of fuel oil control circuit is connected with first single-chip microcomputer; Described fuel conversion control circuit is connected with main fuel tank methanol pump power supply circuits; It is characterized in that:
Described control system also comprises second single-chip microcomputer; The control signal of four cylinder fuel injection valves of motor arranges Schmidt's negative circuit by signal and is connected with the input end of described second single-chip microcomputer;
The output terminal of described fuel conversion control circuit connects the input end of fuel injection quantity ratio regulating circuit, and the output terminal of fuel injection quantity ratio regulating circuit is connected to the input end of second single-chip microcomputer;
The input end that the output terminal of second single-chip microcomputer is controlled output circuit by another Schmidt's negative circuit with fuel injection quantity is connected, and the output terminal that fuel injection quantity is controlled output circuit connects respectively a cylinder fuel injection valve, two cylinder fuel injection valves, three cylinder fuel injection valves, four cylinder fuel injection valves.
2. automobile according to claim 1 burns methyl alcohol and cold starting control integrated device, it is characterized in that, described control system also comprises oil mass observation circuit, warning circuit and buzzer, and described oil mass observation circuit is connected with the fuel-quantity transducer being arranged on drop tank with first single-chip microcomputer respectively; Described warning circuit is by being connected with buzzer with first single-chip microcomputer respectively.
3. automobile according to claim 1 and 2 burns methyl alcohol and cold starting control integrated device, it is characterized in that, described control system also comprises emergency control circuit, and described emergency control circuit is connected with the emergency cock being arranged on shell with first single-chip microcomputer respectively.
4. automobile according to claim 3 burns methyl alcohol and cold starting control integrated device, it is characterized in that, described temperature-control circuit is divided into 10 grades, and every grade has an electronic switch to be connected with an inlet opening of first single-chip microcomputer.
5. automobile according to claim 4 burns methyl alcohol and cold starting control integrated device, it is characterized in that, described control system also comprises indicating circuit and tri-colour LED, and described tri-colour LED is connected respectively with drop tank petrol pump power supply circuits, main fuel tank methanol pump power supply circuits, emergency control circuit.
6. automobile according to claim 1 burns methyl alcohol and cold starting control integrated device, it is characterized in that, described fuel injection quantity ratio Circuit tuning divides by four code switchs and forms, and each code switch is connected with an inlet opening of second single-chip microcomputer.
7. automobile according to claim 5 burns methyl alcohol and cold starting control integrated device, it is characterized in that, described tri-colour LED and emergency cock are arranged on a side of shell, and described shell is provided with the fixed plate for set casing, and described fixed plate is provided with fixed hole.
8. based on automobile, burn the controlling method of methyl alcohol and cold starting control integrated device, comprise step:
1) described temperature-control circuit ℃ is divided into 10 grades to the highest+32 ℃ by ambient temperature from minimum-40, and every grade has an electronic switch to be connected with an inlet opening of single-chip microcomputer; When the ambient temperature electrical signal that temperature transducer is sent here conforms to a certain shelves of temperature-control circuit, the electronic switch that is about to this grade is opened, and changes the current potential of connected single-chip microcomputer inlet opening;
2) detect the actuating signal of car engine start circuit, and send signal to single-chip microcomputer;
3) when monitoring the actuating signal of ambient temperature signal and car engine start circuit and change simultaneously, single-chip microcomputer disconnects the power supply to main fuel tank methanol pump by controlling former car oil pump power supply circuits, drop tank petrol pump is powered simultaneously, from drop tank petrol pump, send gasoline in motor, automobile starts by burns gasoline;
4) single-chip microcomputer is according to the result of temperature observation circuit monitoring, control output proper extension after the regular hour, single-chip microcomputer is powered to main fuel tank methanol pump by controlling former car oil pump power supply circuits, disconnect the power supply to drop tank petrol pump, motor car engine is recovered combustion methanol by burns gasoline simultaneously;
It is characterized in that: also comprise:
The control signal that former car is sent to four cylinder fuel injection valves of motor arranges Schmidt's negative circuit by signal and introduces second single-chip microcomputer;
Fuel conversion control circuit is introduced second single-chip microcomputer by the signal of institute's fueling kind by fuel injection quantity ratio Circuit tuning;
Second single-chip microcomputer is according to the difference of vehicle institute fueling kind, by another Schmidt's negative circuit, fuel injection quantity is controlled to the control signal that output circuit output extends the time of injection valve burner oil according to a certain percentage, fuel injection quantity is controlled output circuit and is controlled respectively a cylinder fuel injection valve, two cylinder fuel injection valves, three cylinder fuel injection valves, four cylinder fuel injection valves execution according to this control signal; The power of vehicle is remained unchanged when combustion methanol and burns gasoline.
9. the method for a kind of automobile burning cold starting with methanol according to claim 8, is characterized in that, described method also comprises: by the oil mass in fuel-quantity transducer Real-Time Monitoring drop tank, when low on fuel, report to the police.
10. the method for a kind of automobile burning cold starting with methanol according to claim 8 or claim 9, is characterized in that, when depositing that the former main fuel tank of methyl alcohol breaks down or methyl alcohol is finished, by stirring emergency cock, makes the gasoline in engine combustion drop tank.
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| CN201410180626.5A CN104047740A (en) | 2014-04-30 | 2014-04-30 | Automobile methanol burning and cold starting integral control device and control method |
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| CN201410180626.5A CN104047740A (en) | 2014-04-30 | 2014-04-30 | Automobile methanol burning and cold starting integral control device and control method |
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| CN104047740A true CN104047740A (en) | 2014-09-17 |
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| CN112523879A (en) * | 2020-11-26 | 2021-03-19 | 浙江吉利控股集团有限公司 | Dual-fuel control method and system for vehicle and vehicle |
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Application publication date: 20140917 |