CN1598275A - Apparatus for controlling dual-fuel system of vehicle - Google Patents
Apparatus for controlling dual-fuel system of vehicle Download PDFInfo
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- CN1598275A CN1598275A CN 200410021562 CN200410021562A CN1598275A CN 1598275 A CN1598275 A CN 1598275A CN 200410021562 CN200410021562 CN 200410021562 CN 200410021562 A CN200410021562 A CN 200410021562A CN 1598275 A CN1598275 A CN 1598275A
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Abstract
The invention is a vehicle double-fuel system control device, which includes: gasoline system engine controller, electromagnetic relay group, pressure sensor, gasoline spraying nozzle, four-cylinder engine, and liquefied natural system controller, air track and nozzle, evaporator, single electromagnetic valve, there arranges with a oil and gas switch between the gasoline system engine controller and liquefied natural gas system controller, the electromagnetic relay group connected to the controller is arranged with a displaying unit for oil level and liquid level and inertia switch.
Description
Technical field
The invention belongs to motor vehicle power fuel technical field, specifically a kind of motor vehicle double fuel (gasoline and LP gas fuel) system controller substitutes existing single Fuel Petroleum power, can realize the theory of environmental protection, economy.
Background technique
As everyone knows, the power source of conventional motor vehicle all is a gasoline, then generally adopts diesel oil for some trucies certainly.Along with the continuous development and the progress of society, environmental protection is paid attention to by increasing people gradually, uses the pollution of petrol and diesel oil to environment in order to reduce, and has increased the LP gas fuel device to replace or partly to replace petrol and diesel oil on some vehicle.At present, on the market at the vehicle bifuel system control gear of usefulness because control system structure and principle are fairly simple, after can not realizing bumping, motor is flame-out immediately, thereby brings certain potential safety hazard.And adopt mixer to carry out combustion gas and air mixing, be easy to generate tempering danger, engine power loss big (loss 5%～8%), more remarkable to the vehicle performance influence, may produce harmful effect to the gasoline performance, emission compliance also compares difficulty.So have certain defective, and native system has overcome above shortcoming fully, has not produced tempering fully, engine power loss is less, and 2%-3% is only arranged, when running at high speed and suddenly giving it the gun, oil gas switches the moment non-jitter, and power character is better than domestic like product.Exhaust emissions is better than the discharging of petrol system.
Summary of the invention
The purpose of this invention is to provide a kind of vehicle bifuel system control gear of realizing that double fuel is used alternatingly.The present invention is better than like product, fundamentally remedy existing bifuel system safety in utilization hidden danger, power loss big, discharge unfavorable problem.
The object of the present invention is achieved like this: it includes: the petrol system engine controller, the electromagnetic relay group, pressure transducer, the gasoline oil nozzle, the four cylinder engine cylinder, and liquefied petroleum gas (LPG) SC system controller, gas rail guide rail and blast nozzle, the gas phase filter, vaporizer, electromagnetic valve of the individual event, be with integrated valve gas liquefaction oil gas cylinder and add gas port, the liquefied petroleum ga steel cylinder index gauge is characterized in that: be provided with the oil gas diverter switch between petrol system engine controller and liquefied petroleum gas (LPG) SC system controller, also be connected with shared table display unit of an oil level and liquid level and inertia switch on the electromagnetic relay group that links to each other with controller.
The shared table display unit of oil level of the present invention and liquid level is by oil level and the shared table of liquid level, and the relay that connects with it, liquefied petroleum gas (LPG) fuel level sensor, gasoline level sensor are formed.
Major advantage of the present invention is:
1, easy for installation, the reliability height is fit to repacking in batches.
2, use liquefied petroleum gas (LPG) can save about 10 yuan, greatly reduce the operating fuel cost than with hundred kilometers in gasoline.
3, initial unified motor double fuel designs good match, environmental protection more; Use the liquefied petroleum gas (LPG) clean fuel, discharging is far superior to Europe II standard limited value (being checked by 60,000 kilometers test of several cars at present).
4, when automobile in moment during anxious the acceleration, or automobile rotational speed is during greater than setting value, when system can't offer the enough fuel of motor, system automatically switched to gasoline, adapts to the anxious needs that quicken.
5, when using gasoline, oil level gage shows gasoline surplus in the petrol tank; When using liquefied petroleum gas (LPG), oil level gage shows liquefied petroleum ga steel cylinder fuel surplus.Shared same oil level gage, band surplus warning function.
6, the oil gas diverter switch of this oil gas has adopted the reservation switch of former Chinese car integral switch, and the fuel state tutorial light is arranged in the switch.Diverter switch has two positions, flicks to forcing gasoline, and the fuel tutorial light is red, presses to be that automatic switching function, tutorial light become the yellow fuel switch transition process that is, when EOC used liquefied petroleum gas (LPG) fully, tutorial light was a green.Press when the fuel diverter switch, system possesses the function of the liquefied petroleum gas (LPG) of automatically switching to, can the clear and legible color of based on fuel tutorial light, judge the fuel and the state that use, and greatly reduce the driver fatigue degree.
7, the gasoline depth gauge in indication of the liquid level in the liquefied petroleum ga steel cylinder of shared oil level gage of the present invention in the liquefied petroleum gas (LPG) system and the combination instrument is shared.When vehicle used Fuel Petroleum, this oil level gage was the amount of gasoline indication in the gasoline fuel tank; When using LP gas fuel, what this table was indicated is the amount of liquefied petroleum gas (LPG) in the steel cylinder.No matter inertia switch device of the present invention realized vehicle and used gasoline or LP gas fuel, hit or during overturn accident, inertia switch works and cuts off the fuel supply of motor, thereby causes motor to quit work in vehicle generation side.
Description of drawings
Fig. 1 is a structural principle simplified schematic diagram of the present invention
Fig. 2 is oil level of the present invention and the shared table display unit circuit of liquid level schematic diagram
Fig. 3 is an inertia switch working circuit schematic diagram of the present invention
To be described in further detail the present invention by example below, but following example only is the present invention's example wherein, the rights protection scope of not representing the present invention and being limited, the scope of the present invention is as the criterion with claims.
Embodiment
Example 1
By shown in Figure 1, the principle of native system is as follows: by pressing the oil gas diverter switch 3 among Fig. 1, carry out the switching of fuel feeding and air supply system, when forwarding burning gas to from oil firing, electromagnetic relay 4 is by action, impel petrol system engine controller 1 control gasoline oil nozzle 9 to stop to 10 li oil spouts of four cylinder engine cylinder, petrol system quits work, liquefied petroleum gas (LPG) (LPG) SC system controller 2 is moved simultaneously, make band integrated valve gas cylinder and add gas port 12 and electromagnetic valve of the individual event 11 is opened, liquid combustion gas enters in the vaporizer 8, the gasification of reducing pressure, filtration through gas phase filter 7, the liquefied petroleum gas (LPG) of gaseous state is then by gas rail guide rail and blast nozzle 6 controls, when being controlled at the intake stroke of four cylinder engine cylinder 10, entering and carry out work, carry out the transition to the liquefied petroleum gas (LPG) system works thereby finish by petrol system work by liquefied petroleum gas (LPG) SC system controller 2.When forwarding burning gas to from oil firing, electromagnetic relay 4 is by action, impel liquefied petroleum gas (LPG) SC system controller 2 control gas rail guide rails and blast nozzle 6 to stop to spray gaseous liquefied petroleum gas for 10 li to the four cylinder engine cylinder, 1 move simultaneously, control gasoline oil nozzle 9 carries out work, carries out the transition to petrol system work thereby finish by the liquefied petroleum gas (LPG) system works.When the liquefied petroleum gas (LPG) system works, pressure transducer 5 detects the pressure changing in gas rail guide rail and the blast nozzle 6, thereby situation of change is fed back to liquefied petroleum gas (LPG) SC system controller 2, this liquefied petroleum gas (LPG) SC system controller 2 superposes according to pre-seting with self adaption, control the gentle rail guide rail of aperture of vaporizer 8 and length switching time of blast nozzle 6, thereby accurately finish the injection of tolerance.
1, petrol system engine controller; 2, liquefied petroleum gas (LPG) (LPG) SC system controller; 3, oil gas diverter switch; 4, electromagnetic relay group; 5, pressure transducer; 6, gas rail guide rail and blast nozzle; 7, gas phase filter; 8, vaporizer; 9, gasoline oil nozzle; 10, four cylinder engine cylinder; 11, electromagnetic valve of the individual event; 12, band integrated valve gas liquefaction oil gas cylinder and add gas port; 13, liquefied petroleum ga steel cylinder index gauge; 14, the shared table of oil level and liquid level; 15, inertia switch.
The working principle of shared oil level gage:
D is a submodule of (being included in the electromagnetic relay group 4), and pointer indication and the indication of the pointer in oil level and the shared table 14 of liquid level in the control liquefied petroleum ga steel cylinder index gauge 13 are shared.When vehicle used Fuel Petroleum, the pointer indication in 14 was the amount of gasoline indication in the gasoline fuel tank; When using LP gas fuel, the pointer indication indication in 14 be the amount of liquefied petroleum gas (LPG) in the steel cylinder, the pointer indication in 13 simultaneously in both cases all indication be the amount of liquefied petroleum gas (LPG) in the steel cylinder.
Structure as shown in Figure 2, a among the figure is an electric capacity, b is the liquefied petroleum gas (LPG) fuel level sensor, c is the gasoline level sensor, d is a relay;
When using Fuel Petroleum, the resistance signal of c enters oil level and the shared table 14 of liquid level through contact k5, the k3 of relay d, and this moment, oil level gage showed the gasoline oil mass; When using LP gas fuel, the liquefied petroleum gas (LPG) electronic control unit sends control signal and makes k3 and k5 disconnection, k3 and k4 closure for k1, the k2 of d, and the resistance signal of b enters 14 through contact k4, the k3 of d, and this moment, oil level gage showed the amount of liquefied petroleum gas (LPG).The liquefied petroleum gas (LPG) fuel level sensor is installed in the steel cylinder, dividing plate is not arranged owing to do not resemble in the steel cylinder the fuel tank, and liquefied petroleum gas (LPG) fluctuation when vehicle quickens or travels on uneven road surface is violent, and the purpose that adds electric capacity plays damping function to the resistance of output.
The working principle of inertia switch:
Structure as shown in Figure 3, the I among the figure is an electric fuel punp, II is a relay, IV is a relay, V is a storage battery; Inertia switch 15 is arranged in the bypass of electromagnetic relay group.
When vehicle used Fuel Petroleum, electric fuel punp I was by k13, the k15 of relay II and k31, the k32 ground connection of inertia switch 15, and oil pump can proper functioning.Hit or during overturn accident, the k31 of inertia switch 15, k32 disconnect when vehicle generation side, cause electric fuel punp I circuit to be open circuit, I will quit work.
When vehicle used LP gas fuel, the liquefied petroleum gas (LPG) electronic control unit sent k11, the k12 that control signal is given II, and k3 and k5 are disconnected, and caused the I circuit to be open circuit, and I quits work.In addition, this moment, LPG ECU sent the k21 that control signal is given relay IV, made k23 and k24 closure, and storage battery V positive pole is by the system that the is connected to power supply of k23, k24 and liquefied petroleum gas (LPG) system.Hit or during overturn accident, the k31 of inertia switch 15, k32 disconnect when vehicle generation side, cause the k21 of IV, k22 circuit to be open circuit, k23 and k24 are disconnected, the liquefied petroleum gas (LPG) system loses power supply, thereby the supply pipeline of the liquefied petroleum gas (LPG) of system ends.
Claims (3)
1, a kind of motor vehicle bifuel system control gear, it includes: the petrol system engine controller, the electromagnetic relay group, pressure transducer, the gasoline oil nozzle, four cylinder engine, and the liquefied petroleum gas (LPG) SC system controller, gas rail guide rail and blast nozzle, gas phase filter, vaporizer, electromagnetic valve of the individual event is with integrated valve gas liquefaction oil gas cylinder and is added gas port, the liquefied petroleum ga steel cylinder index gauge, it is characterized in that: between petrol system engine controller and liquefied petroleum gas (LPG) SC system controller, be provided with the oil gas diverter switch, also be connected with shared table display unit of an oil level and liquid level and inertia switch on the electromagnetic relay group that links to each other with controller.
2, the vehicle bifuel system control gear of asking according to claim 1, it is characterized in that: the shared table display unit of oil level and liquid level is by oil level and the shared table of liquid level, and the relay that connects with it, liquefied petroleum gas (LPG) fuel level sensor, gasoline level sensor are formed.
3, the vehicle bifuel system control gear of asking according to claim 1, it is characterized in that: the bypass of electromagnetic relay group is provided with inertia switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100215620A CN1317496C (en) | 2004-07-27 | 2004-07-27 | Apparatus for controlling dual-fuel system of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100215620A CN1317496C (en) | 2004-07-27 | 2004-07-27 | Apparatus for controlling dual-fuel system of vehicle |
Publications (2)
| Publication Number | Publication Date |
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| CN1598275A true CN1598275A (en) | 2005-03-23 |
| CN1317496C CN1317496C (en) | 2007-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100215620A Expired - Fee Related CN1317496C (en) | 2004-07-27 | 2004-07-27 | Apparatus for controlling dual-fuel system of vehicle |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806253A (en) * | 2010-04-19 | 2010-08-18 | 浙江大学 | Fuel-supply control device of dual-fuel engine |
| CN101617114B (en) * | 2007-02-19 | 2011-11-16 | 丰田自动车株式会社 | Multi-fuel internal combustion engine |
| CN101025119B (en) * | 2006-02-24 | 2012-11-21 | 福特全球技术公司 | Fuel transportation cutoff method |
| CN103561989A (en) * | 2011-06-08 | 2014-02-05 | 宝马股份公司 | Method and control system for controlling fuel pumps in a fast and secure manner |
| CN107620646A (en) * | 2017-08-10 | 2018-01-23 | 北汽福田汽车股份有限公司 | Dual-purpose fuel vehicle and control method for dual-purpose fuel vehicle, device |
| CN109184930A (en) * | 2018-10-31 | 2019-01-11 | 奇瑞汽车股份有限公司 | engine system fuel supply control method and device, storage medium |
| CN112590536A (en) * | 2020-12-14 | 2021-04-02 | 北京现代汽车有限公司 | Fuel liquid level control method, device and system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2410426Y (en) * | 1999-10-22 | 2000-12-13 | 沈阳海龙环保节能设备制造有限责任公司 | Liquiefied gas-gasoline two fuel conversion device for car |
| US6536401B2 (en) * | 2000-08-09 | 2003-03-25 | Siemens Vdo Automotive Corporation | Fuel cutoff switch system |
| CN2446288Y (en) * | 2000-09-22 | 2001-09-05 | 邢继学 | Intelligent electronic controller for changing automobile fuel |
| CN1093595C (en) * | 2000-12-28 | 2002-10-30 | 上海交通大学 | Control system of dual-fuel car for lower exhaustion |
| US6543423B2 (en) * | 2001-07-23 | 2003-04-08 | Ford Global Technologies, Inc. | Control system and method for a bi-fuel engine |
| JP2003090238A (en) * | 2001-09-17 | 2003-03-28 | Honda Motor Co Ltd | Fuel supply device for internal combustion engine |
| CN2736548Y (en) * | 2004-07-27 | 2005-10-26 | 沈阳华晨金杯汽车有限公司 | Control device for vehicle dual-fuel system |
-
2004
- 2004-07-27 CN CNB2004100215620A patent/CN1317496C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101025119B (en) * | 2006-02-24 | 2012-11-21 | 福特全球技术公司 | Fuel transportation cutoff method |
| CN101617114B (en) * | 2007-02-19 | 2011-11-16 | 丰田自动车株式会社 | Multi-fuel internal combustion engine |
| CN101806253A (en) * | 2010-04-19 | 2010-08-18 | 浙江大学 | Fuel-supply control device of dual-fuel engine |
| CN103561989A (en) * | 2011-06-08 | 2014-02-05 | 宝马股份公司 | Method and control system for controlling fuel pumps in a fast and secure manner |
| CN103561989B (en) * | 2011-06-08 | 2016-06-08 | 宝马股份公司 | For quickly and reliably controlling method and the control system of petrolift |
| CN107620646A (en) * | 2017-08-10 | 2018-01-23 | 北汽福田汽车股份有限公司 | Dual-purpose fuel vehicle and control method for dual-purpose fuel vehicle, device |
| CN109184930A (en) * | 2018-10-31 | 2019-01-11 | 奇瑞汽车股份有限公司 | engine system fuel supply control method and device, storage medium |
| CN112590536A (en) * | 2020-12-14 | 2021-04-02 | 北京现代汽车有限公司 | Fuel liquid level control method, device and system |
| CN112590536B (en) * | 2020-12-14 | 2022-06-07 | 北京现代汽车有限公司 | Fuel liquid level control method, device and system |
Also Published As
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| CN1317496C (en) | 2007-05-23 |
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Effective date of registration: 20171204 Address after: 110044 East Street, Dadong District, Liaoning, Shenyang, No. 39 Patentee after: Brilliance Auto Group Holdings Co., Ltd. Address before: 110044 Liaoning Province, Shenyang City District Road No. 14 spur Patentee before: Shenyang Brilliance Jinbei Automobile Co.,Ltd. |
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Granted publication date: 20070523 |
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