WO2016095567A1 - 车辆燃料喷射控制方法、装置及系统 - Google Patents

车辆燃料喷射控制方法、装置及系统 Download PDF

Info

Publication number
WO2016095567A1
WO2016095567A1 PCT/CN2015/088776 CN2015088776W WO2016095567A1 WO 2016095567 A1 WO2016095567 A1 WO 2016095567A1 CN 2015088776 W CN2015088776 W CN 2015088776W WO 2016095567 A1 WO2016095567 A1 WO 2016095567A1
Authority
WO
WIPO (PCT)
Prior art keywords
engine
fuel
vehicle
turned
injection control
Prior art date
Application number
PCT/CN2015/088776
Other languages
English (en)
French (fr)
Inventor
曹林浩
房启岭
王奉明
王均龙
赵飞
Original Assignee
北汽福田汽车股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 北汽福田汽车股份有限公司 filed Critical 北汽福田汽车股份有限公司
Priority to BR112017012907-8A priority Critical patent/BR112017012907B1/pt
Priority to RU2017121218A priority patent/RU2673633C1/ru
Publication of WO2016095567A1 publication Critical patent/WO2016095567A1/zh

Links

Images

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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • 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

Definitions

  • the present invention relates to the field of vehicle technology, and in particular to a vehicle fuel injection control method, apparatus and system.
  • dual-fuel vehicles namely Compressed Natural Gas (CNG) vehicles
  • CNG Compressed Natural Gas
  • the engine of the dual-fuel vehicle is generally equipped with a gas injection device based on the fuel engine.
  • the engine body does not take into account the influence of the gas at the initial stage of design.
  • the control method is generally: when the engine is turned off, it will continue to be used when the injection is turned off. Fuel for a while. For example, if gasoline is used as a fuel in the event of a flameout, the fuel is continuously injected for a period of time after the flameout; if CNG is used as the fuel when the flameout is extinguished, the CNG is continuously injected for a while after the flameout.
  • the injected CNG fuel not only does not have the characteristics of lubrication, but also increases the friction between the engine piston and the cylinder wall, so that the engine is in a hard friction state at the next start, which will increase Wear of the engine piston and cylinder wall shortens the life of the engine; in addition, it is more difficult to start in the cold state.
  • the present invention provides a vehicle fuel injection control method, apparatus and system for solving an increase in the engine when the engine is restarted due to continuous injection of the combustible gas when the vehicle is turned off in the case of burning a combustible gas.
  • the problem of friction between the piston and the cylinder wall is avoided.
  • a vehicle fuel injection control method comprising: determining whether an engine is flameout; determining, in the case of an engine stall, fuel used when the engine is off; and using the engine when determining that the engine is off The fuel is in the case of flammable gas, the control car The fuel injector of the vehicle injects the fuel for the first predetermined time after the engine is turned off.
  • the determining whether the engine is turned off includes: obtaining a switch state of the ignition switch; and determining that the engine is off when the switch state of the ignition switch is off.
  • the determining the fuel used when the engine is turned off includes: obtaining, by the vehicle controller, a type of fuel used when the engine is turned off; determining, when the engine is turned off, according to the type of the fuel The fuel used.
  • the combustible gas is a compressed gaseous fuel.
  • the first predetermined time is at least one fuel injection pulse width.
  • the method further includes: in the case where the fuel used to determine the engine stall is a combustible gas, the gas nozzle of the control vehicle stops spraying the combustible gas after the engine is turned off.
  • the method further includes: in a case where the fuel used when determining that the engine is turned off is fuel, the fuel injector of the control vehicle continues to be injected for a second preset time after the engine is turned off. Fuel.
  • a vehicle fuel injection control apparatus comprising: a determination module for determining whether an engine is flameout; and a fuel determination module for determining an engine to be used when the engine is turned off. a fuel control module for controlling a fuel injector of the vehicle to inject fuel for a first predetermined time after the engine is turned off in a case where the fuel used to determine the engine stall is a combustible gas.
  • the determining module includes: a first acquiring submodule, configured to acquire a switch state of the ignition switch; and a first determining submodule, configured to be in a switch state of the ignition switch In the case of disconnection, it is determined that the engine is off.
  • the fuel determining module includes: And adopting a submodule for acquiring a type of fuel used when the engine is turned off by the vehicle controller; and a second determining submodule for determining a fuel used when the engine is turned off according to the type of the fuel.
  • the combustible gas is a compressed gaseous fuel.
  • the first predetermined time is at least one fuel injection pulse width.
  • control module is further configured to: when the fuel used to determine that the engine is turned off is a combustible gas, the gas nozzle of the control vehicle stops spraying the combustible gas after the engine is turned off. .
  • control module is further configured to: when the fuel used to determine that the engine is turned off is fuel, the fuel injector of the control vehicle continues to inject the second preset after the engine is turned off. Time fuel.
  • a vehicle fuel injection control apparatus comprising: a memory in which executable instructions are stored; and a processor configured to execute the executable instructions to perform the following method: Determining whether the engine is off; in the case of engine stall, determining the fuel used when the engine is turned off; and in the case of determining that the fuel used in the engine stall is a combustible gas, the injector controlling the vehicle is injected first after the engine is turned off Fuel at preset time.
  • a vehicle fuel injection control system comprising: a vehicle fuel injection control device, the vehicle fuel injection control device according to the second aspect of the present invention, Or the vehicle fuel injection control device according to the third aspect of the present invention; and an injector of the vehicle, coupled to the vehicle fuel injection control device, for injecting under the control of the vehicle fuel injection control device Fuel.
  • the fuel injector of the vehicle can be controlled to inject the fuel for the first predetermined time after the engine is turned off, and the injected fuel makes the fuel sucked into the cylinder small.
  • the droplets are atomized on the cylinder wall and the throttle body to form an oil film. Therefore, it can lubricate when the engine is started next time, reduce the friction caused by the injection of combustible gas, reduce the wear between the engine piston and the cylinder wall, and improve the service life of the engine; It is also easier to start up in the machine state.
  • FIG. 1 shows a flow chart of a vehicle fuel injection control method according to an exemplary embodiment
  • FIG. 2 shows a flow chart of a vehicle fuel injection control method according to another exemplary embodiment
  • FIG. 3 illustrates a flow chart of a vehicle fuel injection control method according to another exemplary embodiment
  • FIG. 4 illustrates a flow chart of a vehicle fuel injection control method according to another exemplary embodiment
  • FIG. 5 is a schematic diagram showing an application of the control method shown in FIGS. 1 to 4;
  • FIG. 6 shows a block diagram of a vehicle fuel injection control apparatus according to an exemplary embodiment
  • FIG. 7 shows a block diagram of a vehicle fuel injection control apparatus according to another exemplary embodiment
  • FIG. 8 shows a block diagram of a vehicle fuel injection control apparatus according to another exemplary embodiment
  • FIG. 9 shows a block diagram of a vehicle fuel injection control apparatus according to an exemplary embodiment
  • FIG. 10 shows a block diagram of a vehicle fuel injection control system, according to an exemplary embodiment.
  • FIG. 1 shows a flow chart of a vehicle fuel injection control method, according to an exemplary embodiment. As shown in FIG. 1, the method may include the following steps:
  • step S101 it is determined whether the engine is turned off.
  • the specific implementation there are various methods for determining whether the engine is turned off.
  • the embodiment of the present invention does not limit the specific determination method.
  • step S102 in the case where the engine is turned off, the fuel used when the engine is turned off is determined.
  • the fuel of the engine may include, for example, fuel fuel and combustible gas fuel.
  • the fuel fuel may include, for example, gasoline, diesel, etc.
  • the gaseous fuel may include, for example, natural gas or the like, and for the gaseous fuel, preferably a compressed gaseous fuel.
  • the type of fuel used when the engine is turned off may be acquired, for example, by the vehicle controller ECU of the vehicle, and the fuel used when the engine is turned off may be determined according to the type of the fuel.
  • the fuel type at the time of engine misfire can be obtained by other means well known to those skilled in the art, and the specific acquisition manner is not limited in the embodiment of the present invention.
  • step S103 in a case where it is determined that the fuel used when the engine is turned off is a combustible gas, the fuel injector of the control vehicle injects the fuel for the first predetermined time after the engine is turned off.
  • the first preset time can be set in advance.
  • the first preset time may be at least one fuel injection pulse width (for example, one or two).
  • the injector of the vehicle can be controlled to inject at least one injection pulse width.
  • the fuel injector of the control vehicle injects the fuel for the first predetermined time after the engine is turned off
  • the present embodiment The fuel injected in the example causes the small droplets of fuel sucked into the cylinder to atomize on the cylinder wall and the throttle body to form an oil film, thereby lubricating the engine piston and the cylinder wall of the engine when the engine is started next time.
  • the friction between the engine piston and the cylinder block caused by the injection of the combustible gas is reduced, the wear between the engine piston and the cylinder wall is reduced, and the service life of the engine is improved; in addition, in the cold state, the friction is also improved. Easy to start.
  • FIG. 2 shows a flow chart of a vehicle fuel injection control method according to another exemplary embodiment.
  • the step S101 of determining whether the engine is turned off may include, for example, step S201, acquiring a switch state of the ignition switch; and step S202, in a case where the switch state of the ignition switch is off. Determining that the engine is off.
  • the present embodiment determines by determining the switching state of the ignition switch. Whether the engine is in working condition, that is, whether it is turned off.
  • whether the engine is in an operating state can also be determined by other means known to those skilled in the art (for example, by the vehicle controller ECU), and the embodiment of the present invention is here. No longer list them one by one.
  • FIG. 3 illustrates a flow chart of a vehicle fuel injection control method, according to another exemplary embodiment. As shown in FIG. 3, the method may include the following steps:
  • step S301 it is determined whether the engine is turned off.
  • step S302 in the case where the engine is turned off, the fuel used when the engine is turned off is determined.
  • step S303 in a case where it is determined that the fuel used when the engine is turned off is a combustible gas, the fuel injector of the control vehicle injects the fuel for the first predetermined time after the engine is turned off.
  • step S301 to the step S303 can be referred to the above description, and details are not described herein again.
  • Step S304 in the case where it is determined that the fuel used when the engine is turned off is a combustible gas, control The gas nozzle of the vehicle stops stopping the injection of the combustible gas after the engine is turned off.
  • step S304 is shown to be performed after step S303 in the figure, the present invention is not limited thereto, and step S304 may be performed before step S303 or simultaneously with step S303.
  • the combustible gas is not injected, but the fuel of the first predetermined time is injected, and further, the engine can be It will lubricate at the next start, further reduce the friction caused by the injection of combustible gas, reduce the wear between the engine piston and the cylinder wall, and improve the service life of the engine.
  • FIG. 4 shows a flow chart of a vehicle fuel injection control method according to another exemplary embodiment. As shown in FIG. 4, the method may include the following steps:
  • step S401 it is determined whether the engine is turned off.
  • step S402 in the case where the engine is turned off, the fuel used when the engine is turned off is determined.
  • Step S403 in the case where it is determined that the fuel used when the engine is turned off is a combustible gas, the fuel injector of the control vehicle injects the fuel for the first predetermined time after the engine is turned off.
  • step S401 to the step S403 the specific implementation process of the step S401 to the step S403 is as described above, and the embodiment is not described herein again.
  • Step S404 in the case where it is determined that the fuel used when the engine is turned off is fuel, the injector that controls the vehicle continues to inject the fuel for the second predetermined time after the engine is turned off.
  • the specific implementation process of step S404 is well known to those skilled in the art, and therefore will not be described again.
  • Steps S403 and S404 have no order.
  • the fuel when the engine is turned off, regardless of whether the fuel used is fuel or a combustible gas, the fuel is continuously injected for a period of time after the engine is turned off, and can be used for the engine piston and the cylinder wall when the engine is started next time.
  • the lubrication between the engine reduces the wear between the engine piston and the cylinder wall and improves the service life of the engine.
  • the ECU 540 can continue to work for a certain period of time due to the presence of the time delay relay 530, and the fuel injector can continue to be realized.
  • the ECU detects that the ignition switch 510 is off, and performs the following actions: stopping the injection of the gas nozzle 570, suspending the signal to the ignition coil 550, and giving the four injectors 560 at least once (
  • the fuel injection signal is one time, and the four injectors 560 are injected for a period of time, and the pulse length of the fuel injection signal and the engine fuel may be the same.
  • the fuel injected into the cylinder is less, and the small droplets of the fuel sucked into the cylinder are atomized on the cylinder wall and the throttle body to form an oil film; If the dual-fuel vehicle is in a state of burning fuel when the flame is turned off, after the ignition switch 510 is turned off, the following action is performed: continue to inject the fuel injection signal to the four injectors 560 at least once (preferably, once) to make four sprays.
  • the oiler 560 continues to inject oil for a period of time, and the pulse length of the fuel injection signal and the engine fuel may be the same.
  • the environment in the engine cylinder remains similar to the fuel condition, and in the case where the fuel used in the flameout state is a combustible gas, the internal wear of the dual-fuel vehicle engine is reduced. Reduce engine starting noise and failure rate, and improve the life of dual-fuel vehicle engines.
  • FIG. 6 shows a block diagram of a vehicle fuel injection control device, according to an exemplary embodiment.
  • the vehicle fuel injection control device may include: a determining module 610, configured to determine whether the engine is turned off; and a fuel determining module 620, configured to determine, when the engine is turned off, the fuel used when the engine is turned off;
  • the module 630 is configured to: when the fuel used to determine that the engine is turned off is a combustible gas, the fuel injector of the control vehicle injects the fuel for the first predetermined time after the engine is turned off.
  • the combustible gas may be, for example, a compressed gas fuel
  • the first preset time may be at least one fuel injection pulse width.
  • FIG. 7 shows a block diagram of a vehicle fuel injection control device, according to another exemplary embodiment.
  • the determining module 610 may include: a first obtaining sub-module 710, configured to acquire a switch state of the ignition switch; and a first determining sub-module 720, configured to open the switch state of the ignition switch In the case of the engine, it is determined that the engine is off.
  • FIG. 8 shows a block diagram of a vehicle fuel injection control device, according to another exemplary embodiment.
  • the fuel determining module 620 may include: a second obtaining sub-module 810, configured to acquire, by using a vehicle controller, a type of fuel used when the engine is turned off; a second determining sub-module 820, configured to The type of fuel determines the fuel used when the engine is turned off.
  • control module 630 can also be used to control the gas nozzle of the vehicle to stop the injection after the engine is turned off in the case where the fuel used to determine the engine stall is a combustible gas.
  • the combustible gas is a gas that is used to determine the engine stall.
  • control module 630 may be further configured to control the fuel injector of the vehicle to continue to spray after the engine is turned off in the case where the fuel used to determine the engine stall is fuel.
  • the second preset time of fuel may be further configured to control the fuel injector of the vehicle to continue to spray after the engine is turned off in the case where the fuel used to determine the engine stall is fuel. The second preset time of fuel.
  • the control module 630 controls the injector of the vehicle to be injected for a first predetermined time after the engine is turned off.
  • the fuel the fuel injected in the embodiment, causes the small droplets of fuel sucked into the cylinder to atomize on the cylinder wall and the throttle body to form an oil film, thereby lubricating the engine at the next startup, reducing
  • the friction caused by the injection of combustible gas reduces the wear between the engine piston and the cylinder wall, which improves the service life of the engine; in addition, it is easier to start in the cold state.
  • FIG. 9 shows a block diagram of a vehicle fuel injection control device, according to an exemplary embodiment.
  • the vehicle fuel injection control device may include a memory 910, the memory 910 may be stored with executable instructions; the processor 920 is configured to execute the executable instructions to perform the following method: determining whether the engine is off; in the case of engine stalling, determining the fuel used when the engine is off; In the case where it is determined that the fuel used when the engine is turned off is a combustible gas, the fuel injector that controls the vehicle injects the fuel for the first predetermined time after the engine is turned off.
  • the combustible gas is a compressed gaseous fuel
  • the first predetermined time is at least one fuel injection pulse width.
  • the processor 920 running the executable instruction includes: obtaining a switch state of the ignition switch when determining whether the engine is turned off; determining that the engine is turned off if the switch state of the ignition switch is off .
  • the processor 920 running the executable instruction to determine the fuel used when the engine is turned off includes: acquiring, by the vehicle controller, a type of fuel used when the engine is turned off; determining an engine according to the type of the fuel The fuel used when the flame is turned off.
  • the processor 920 runs the executable instruction, and is further configured to: when the fuel used to determine that the engine is turned off is a combustible gas, control the gas nozzle of the vehicle to stop spraying after the engine is turned off. flammable gas.
  • the processor 920 runs the executable instruction, and is further configured to: when the fuel used when determining that the engine is turned off is fuel, the fuel injector of the control vehicle continues to inject after the engine is turned off. Fuel at preset time.
  • FIG. 10 shows a block diagram of a vehicle fuel injection control system, according to an exemplary embodiment.
  • the vehicle fuel injection control system may include a vehicle fuel injection control device 1001, which may be the vehicle fuel injection control device shown in any of FIGS. 6 to 8. Or the vehicle fuel injection control device shown in FIG.
  • the vehicle fuel injection control system may further include: a fuel injector 1002 of the vehicle, coupled to the vehicle fuel injection control device 1001 for injecting fuel under the control of the vehicle fuel injection control device 1001. .
  • the fuel injector 1002 of the vehicle is, for example, a diagram Injector 560 shown in 5.
  • the vehicle fuel injection control device can control the fuel injector of the vehicle to inject the fuel for the first predetermined time after the engine is turned off, if it is determined that the fuel used is a combustible gas, such as CNG, etc., the present embodiment.
  • the fuel injected in the example causes the small droplets of fuel sucked into the cylinder to atomize on the cylinder wall and the throttle body to form an oil film, thereby lubricating the engine at the next startup, reducing the injection of combustible gas.
  • the friction caused by the friction between the engine piston and the cylinder wall reduces the service life of the engine; in addition, it is easier to start in the cold state.
  • the vehicle fuel injection control system may further include: a gas nozzle of the vehicle (for example, the gas nozzle 570 shown in FIG. 5), the gas nozzle of the vehicle may be fuel injection with the vehicle
  • the control device 1001 is connected to inject a combustible gas under the control of the vehicle fuel injection control device 1001.
  • the vehicle fuel injection control device can control the fuel injector of the vehicle not to inject the combustible gas, but control the injector injection of the vehicle, if the fuel used is determined to be a combustible gas, such as CNG, etc., when the engine is turned off.
  • the fuel of time is set, and then the lubricating function can be played at the next start of the engine, further reducing the friction caused by the injection of the combustible gas, reducing the wear between the engine piston and the cylinder wall, and improving the service life of the engine.
  • the disclosed methods, apparatus, and systems may be implemented in other ways.
  • the device embodiments described above are merely illustrative.
  • the division of the modules is only a logical function division.
  • there may be another division manner for example, multiple modules or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the modules described as separate components may or may not be physically separate, and the components displayed as modules may or may not be physical modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional module in each embodiment of the present invention may be integrated into one processor, or each module may be physically included, or two or more modules may be integrated into one module.
  • the above integrated modules can be implemented in the form of hardware or in the form of hardware plus software function modules.
  • the above-described integrated modules implemented in the form of software function modules can be stored in a computer readable storage medium.
  • the software function modules described above are stored in a storage medium and include instructions for causing a computer device (which may be a controller, vehicle controller ECU, etc.) to perform some or all of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a removable hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

一种车辆燃料喷射控制方法，包括：判断发动机是否熄火（S101）；在发动机熄火的情况下，确定发动机熄火时所使用的燃料（S102）；在确定发动机熄火时所使用的燃料为可燃气体的情况下，控制车辆的喷油器在发动机熄火后喷射第一预设时间的燃油（S103）。喷射燃油可使燃油小液滴在气缸壁和节气门体上雾化形成一层油膜，在发动机下次启动时可起到润滑作用，相比喷射可燃气体的情况可以降低发动机活塞和气缸壁之间的磨损，提高了发动机的使用寿命。还提供了车辆燃料喷射控制装置和车辆燃料喷射控制系统。

Description

车辆燃料喷射控制方法、装置及系统 技术领域
本发明涉及车辆技术领域，具体而言，涉及一种车辆燃料喷射控制方法、装置及系统。
背景技术
随着环境污染的不断恶化，两用燃料车辆，即燃油+CNG(Compressed Natural Gas，压缩天然气)车辆越来越受到欢迎。目前，两用燃料汽车的发动机一般是在燃油发动机的基础上加装燃气喷射设备，发动机主体在设计初期并没有考虑燃气的影响，控制方法一般为：当发动机熄火时，会持续喷射熄火时使用的燃料一段时间。例如，如果熄火时使用汽油作为燃料，则熄火后持续喷油一段时间；如果熄火时使用CNG作为燃料，则熄火后会持续喷射CNG一段时间。在后者的情况下，所喷射的CNG燃料，不仅不具有润滑的特性，还会增大发动机活塞和气缸缸壁之间的摩擦力，使下次启动时发动机处于硬磨擦状态，这样会加剧发动机活塞和气缸缸壁的磨损，缩短发动机的使用寿命；此外，在冷机状态下启动还较为困难。
发明内容
鉴于此，本发明提出了一种车辆燃料喷射控制方法、装置及系统，旨在解决车辆在燃烧可燃气体的情况下熄火时，由于持续喷射该可燃气体而导致的发动机再次启动时增大了发动机活塞和气缸缸壁之间的摩擦力的问题。
根据本发明的第一方面，提出了一种车辆燃料喷射控制方法，该方法包括：判断发动机是否熄火；在发动机熄火的情况下，确定发动机熄火时所使用的燃料；在确定发动机熄火时所使用的燃料为可燃气体的情况下，控制车 辆的喷油器在发动机熄火后喷射第一预设时间的燃油。
在第一方面的一些可能的实施方式中，所述判断发动机是否熄火包括：获取点火开关的开关状态；在所述点火开关的开关状态为断开的情况下，确定所述发动机熄火。
在第一方面的一些可能的实施方式中，所述确定发动机熄火时所使用的燃料包括：通过车辆控制器获取发动机熄火时所使用的燃料的类型；根据所述燃料的类型确定发动机熄火时所使用的燃料。
在第一方面的一些可能的实施方式中，所述可燃气体为压缩气体燃料。
在第一方面的一些可能的实施方式中，所述第一预设时间为至少一个喷油脉宽。
在第一方面的一些可能的实施方式中，所述方法还包括：在确定发动机熄火时所使用的燃料为可燃气体的情况下，控制车辆的燃气喷嘴在发动机熄火后停止喷射所述可燃气体。
在第一方面的一些可能的实施方式中，所述方法还包括：在确定发动机熄火时所使用的燃料为燃油的情况下，控制车辆的喷油器在发动机熄火后继续喷射第二预设时间的燃油。
根据本发明的第二方面，提出了一种车辆燃料喷射控制装置，包括：判断模块，用于判断发动机是否熄火；燃料确定模块，用于在发动机熄火的情况下，确定发动机熄火时所使用的燃料；控制模块，用于在确定发动机熄火时所使用的燃料为可燃气体的情况下，控制车辆的喷油器在发动机熄火后喷射第一预设时间的燃油。
在第二方面的一些可能的实施方式中，所述判断模块包括：第一获取子模块，用于获取点火开关的开关状态；第一确定子模块，用于在所述点火开关的开关状态为断开的情况下，确定所述发动机熄火。
在第二方面的一些可能的实施方式中，所述燃料确定模块包括：第二获 取子模块，用于通过车辆控制器获取发动机熄火时所使用的燃料的类型；第二确定子模块，用于根据所述燃料的类型确定发动机熄火时所使用的燃料。
在第二方面的一些可能的实施方式中，所述可燃气体为压缩气体燃料。
在第二方面的一些可能的实施方式中，所述第一预设时间为至少一个喷油脉宽。
在第二方面的一些可能的实施方式中，所述控制模块还用于在确定发动机熄火时所使用的燃料为可燃气体的情况下，控制车辆的燃气喷嘴在发动机熄火后停止喷射所述可燃气体。
在第二方面的一些可能的实施方式中，所述控制模块还用于在确定发动机熄火时所使用的燃料为燃油的情况下，控制车辆的喷油器在发动机熄火后继续喷射第二预设时间的燃油。
根据本发明的第三方面，提出了一种车辆燃料喷射控制装置，包括：存储器，所述存储器中存储有可执行指令；处理器，被配置为运行所述可执行指令，以执行以下方法：判断发动机是否熄火；在发动机熄火的情况下，确定发动机熄火时所使用的燃料；在确定发动机熄火时所使用的燃料为可燃气体的情况下，控制车辆的喷油器在发动机熄火后喷射第一预设时间的燃油。
根据本发明的第四方面，提出了一种车辆燃料喷射控制系统，包括：车辆燃料喷射控制装置，该车辆燃料喷射控制装置为根据本发明的第二方面提供的所述车辆燃料喷射控制装置，或者为根据本发明的第三方面提供的所述车辆燃料喷射控制装置；以及车辆的喷油器，与所述车辆燃料喷射控制装置连接，用于在所述车辆燃料喷射控制装置的控制下喷射燃油。
本发明的实施例提供的技术方案可以包括以下有益效果：
在发动机熄火时，如果所使用的燃料为可燃气体，例如CNG等，则可以控制车辆的喷油器在发动机熄火后喷射第一预设时间的燃油，所喷射的燃油，使吸入汽缸的燃油小液滴在汽缸壁和节气门体上雾化形成一层油膜，由 此，可在发动机下次启动时起到润滑作用，减小了喷射可燃气体所造成的摩擦力，降低了发动机活塞和气缸缸壁之间的磨损，提高了发动机的使用寿命；此外，在冷机状态下也较为容易启动。
附图说明
通过阅读下文优选实施方式的详细描述，各种其他的优点和益处对于本领域普通技术人员将变得清楚明了。附图仅用于示出优选实施方式的目的，而并不认为是对本发明的限制。而且在整个附图中，用相同的参考符号表示相同的部件。在附图中：
图1示出了根据一示例性实施例示出的车辆燃料喷射控制方法的流程图；
图2示出了根据另一示例性实施例示出的车辆燃料喷射控制方法的流程图；
图3示出了根据另一示例性实施例示出的车辆燃料喷射控制方法的流程图；
图4示出了根据另一示例性实施例示出的车辆燃料喷射控制方法的流程图；
图5示出了图1至图4所示的控制方法的一种应用示意图；
图6示出了根据一示例性实施例示出的车辆燃料喷射控制装置的框图；
图7示出了根据另一示例性实施例示出的车辆燃料喷射控制装置的框图；
图8示出了根据另一示例性实施例示出的车辆燃料喷射控制装置的框图；
图9示出了根据一示例性实施例示出的车辆燃料喷射控制装置的框图；
图10示出了根据一示例性实施例示出的车辆燃料喷射控制系统的框图。
具体实施方式
下面将参照附图更详细地描述本公开的示例性实施例。虽然附图中显示了本公开的示例性实施例，然而应当理解，可以以各种形式实现本公开而不应被这里阐述的实施例所限制。相反，提供这些实施例是为了能够更透彻地理解本公开，并且能够将本公开的范围完整的传达给本领域的技术人员。
图1示出了根据一示例性实施例示出的车辆燃料喷射控制方法的流程图。如图1所示，该方法可以包括如下步骤：
步骤S101，判断发动机是否熄火。具体实施时，判断发动机是否熄火的方法多样，本发明实施例对具体判断方法不做任何限定。
步骤S102，在发动机熄火的情况下，确定发动机熄火时所使用的燃料。
具体地，发动机的燃料可以例如包括燃油燃料和可燃气体燃料。其中，燃油燃料可以例如包括汽油、柴油等，气体燃料可以例如包括天然气等，对于气体燃料而言，优选为压缩气体燃料。具体实施时，可以例如通过车辆的车辆控制器ECU获取发动机熄火时所使用的燃料的类型，并根据该燃料的类型确定发动机熄火时所使用的燃料。当然，也可以通过本领域技术人员所熟知的其他方式获取发动机熄火时的燃料类型，本发明实施例对具体获取方式不做任何限定。
步骤S103，在确定发动机熄火时所使用的燃料为可燃气体的情况下，控制车辆的喷油器在发动机熄火后喷射第一预设时间的燃油。
在本发明中，第一预设时间可以被预先设定。并且，在一个优选的实施方式中，所述第一预设时间可以为至少一个喷油脉宽(例如，一个或两个)。这样，在发动机熄火时所使用的燃料为可燃气体时，可以控制车辆的喷油器喷射至少一个喷油脉宽。
本实施例中，在发动机熄火时，如果所使用的燃料为可燃气体，例如CNG等，则控制车辆的喷油器在发动机熄火后喷射第一预设时间的燃油，本实施 例中喷射的燃油，使吸入汽缸的燃油小液滴在汽缸壁和节气门体上雾化形成一层油膜，由此，使发动机下次启动时对发动机活塞和气缸缸壁起到润滑作用，减小了喷射可燃气体所造成的发动机活塞和气缸缸体之间的摩擦力，降低了发动机活塞和气缸缸壁之间的磨损，提高了发动机的使用寿命；此外，在冷机状态下也较为容易启动。
图2示出了根据另一示例性实施例示出的车辆燃料喷射控制方法的流程图。如图2所示，图1中，所述判断发动机是否熄火的步骤S101可以例如包括：步骤S201，获取点火开关的开关状态；步骤S202，在所述点火开关的开关状态为断开的情况下，确定所述发动机熄火。
本领域技术人员应当理解，当发动机处于工作状态时，点火开关处于持续打开的状态，当发动机熄火后，点火开关处于断开状态，本实施例基于该特性，通过获取点火开关的开关状态来判断发动机是否处于工作状态，即，是否熄火。
需要说明的是，具体实施时，也可以通过本领域技术人员所熟知的其他方式(例如，通过车辆控制器ECU)来确定发动机是否处于工作状态(即，是否熄火)，本发明实施例在此不再一一列举。
图3示出了根据另一示例性实施例示出的车辆燃料喷射控制方法的流程图。如图3所示，所述方法可以包括以下步骤：
步骤S301，判断发动机是否熄火。
步骤S302，在发动机熄火的情况下，确定发动机熄火时所使用的燃料。
步骤S303，在确定发动机熄火时所使用的燃料为可燃气体的情况下，控制车辆的喷油器在发动机熄火后喷射第一预设时间的燃油。
本实施例中，步骤S301至步骤S303的具体实施过程参见上述说明即可，本实施例在此不再赘述。
步骤S304，在确定发动机熄火时所使用的燃料为可燃气体的情况下，控 制车辆的燃气喷嘴在发动机熄火后停止喷射所述可燃气体。
虽然在图中示出步骤S304在步骤S303之后执行，但本发明不限于此，步骤S304可以在步骤S303之前执行，或者与步骤S303同时执行。
这样，与现有技术相比，由于本实施例中即使车辆在使用燃料为可燃气体的状态下熄火，也不会喷射可燃气体，而是喷射第一预设时间的燃油，进而，可在发动机下次启动时起到润滑作用，进一步减小喷射可燃气体所造成的摩擦力，降低发动机活塞和气缸缸壁之间的磨损，提高发动机的使用寿命。
图4示出了根据另一示例性实施例示出的车辆燃料喷射控制方法的流程图。如图4所示，所述方法可以包括以下步骤：
步骤S401，判断发动机是否熄火。
步骤S402，在发动机熄火的情况下，确定发动机熄火时所使用的燃料。
步骤S403，在确定发动机熄火时所使用的燃料为可燃气体的情况下，控制车辆的喷油器在发动机熄火后喷射第一预设时间的燃油。
本实施例中，步骤S401至步骤S403的具体实施过程参见上述说明即可，本实施例在此不再赘述。
步骤S404，在确定发动机熄火时所使用的燃料为燃油的情况下，控制车辆的喷油器在发动机熄火后继续喷射第二预设时间的燃油。步骤S404的具体实施过程为本领域技术人员所公知，故不赘述。
需要说明的是，本实施例中的第一预设时间和第二预设时间可以根据实际情况来确定，本发明实施例对其不做任何限定。步骤S403和步骤S404没有先后顺序。
本实施例中，在发动机熄火时，不管使用的燃料为燃油，还是可燃气体，在发动机熄火后都会持续喷射一段时间的燃油，可在发动机下次启动时起到对发动机活塞和气缸缸壁之间的润滑作用，降低了发动机活塞和气缸缸壁之间的磨损，提高了发动机的使用寿命。
下面结合图5对本发明实施例提供的车辆燃料喷射控制方法做更为详细的说明。
如图5所示，如果熄火时，两用燃料车辆为燃烧CNG的状态，点火开关510断开后，由于延时继电器530的存在，ECU 540能继续工作一段时间，可继续实现对喷油器560和燃气喷嘴570的控制，此时，ECU检测到点火开关510断开，并执行如下动作：停止燃气喷嘴570的喷射，中止至点火线圈550的信号，给四个喷油器560至少一次(优选地，为一次)喷油信号，使四个喷油器560喷油一段时间，喷油信号与发动机燃油时喷油的脉冲长度可以相同。此时，由于油轨内的压力低于燃油时的工作压力，所以喷射入油缸内的燃油较少，所吸入汽缸的燃油小液滴在汽缸壁和节气门体上雾化形成一层油膜；如果熄火时，两用燃料车辆为燃烧燃油的状态，点火开关510断开后，执行如下动作：继续给四个喷油器560至少一次(优选地，为一次)喷油信号，使四个喷油器560持续喷油一段时间，喷油信号与发动机燃油时喷油的脉冲长度可以相同。
可以看出，在本发明中，在熄火后，发动机气缸内的环境保持跟燃油工况类似，在熄火状态时使用的燃料为可燃气体的情况下，降低了两用燃料车型发动机的内部磨损，降低发动机的启动噪音和故障率，提高两用燃料车型发动机的寿命。
图6示出了根据一示例性实施例示出的车辆燃料喷射控制装置的框图。如图6所示，该车辆燃料喷射控制装置可以包括：判断模块610，用于判断发动机是否熄火；燃料确定模块620，用于在发动机熄火的情况下，确定发动机熄火时所使用的燃料；控制模块630，用于在确定发动机熄火时所使用的燃料为可燃气体的情况下，控制车辆的喷油器在发动机熄火后喷射第一预设时间的燃油。其中，所述可燃气体可以例如为压缩气体燃料；以及，所述第一预设时间可以为至少一个喷油脉宽。
图7示出了根据另一示例性实施例示出的车辆燃料喷射控制装置的框图。如图7所示，所述判断模块610可以包括：第一获取子模块710，用于获取点火开关的开关状态；第一确定子模块720，用于在所述点火开关的开关状态为断开的情况下，确定所述发动机熄火。
图8示出了根据另一示例性实施例示出的车辆燃料喷射控制装置的框图。如图8所示，所述燃料确定模块620可以包括：第二获取子模块810，用于通过车辆控制器获取发动机熄火时所使用的燃料的类型；第二确定子模块820，用于根据所述燃料的类型确定发动机熄火时所使用的燃料。
可替换地或附加地，在另一实施方式中，所述控制模块630还可以用于在确定发动机熄火时所使用的燃料为可燃气体的情况下，控制车辆的燃气喷嘴在发动机熄火后停止喷射所述可燃气体。
可替换地或附加地，在另一实施方式中，所述控制模块630还可以用于在确定发动机熄火时所使用的燃料为燃油的情况下，控制车辆的喷油器在发动机熄火后继续喷射第二预设时间的燃油。
关于上述各实施例中的装置，其中各个模块执行操作的具体方式已经在有关该方法的实施例中进行了详细描述，此处将不做详细阐述说明。
本实施例中，如果燃料确定模块620在发动机熄火时，确定所使用的燃料为可燃气体，例如CNG等，则控制模块630会控制车辆的喷油器在发动机熄火后喷射第一预设时间的燃油，本实施例中喷射的燃油，使吸入汽缸的燃油小液滴在汽缸壁和节气门体上雾化形成一层油膜，由此，可在发动机下次启动时起到润滑作用，减小了喷射可燃气体所造成的摩擦力，降低了发动机活塞和气缸缸壁之间的磨损，提高了发动机的使用寿命；此外，在冷机状态下也较为容易启动。
图9示出了根据一示例性实施例示出的车辆燃料喷射控制装置的框图。如图9所示，该车辆燃料喷射控制装置可以包括：存储器910，所述存储器 910中可以存储有可执行指令；处理器920，被配置为运行所述可执行指令，以执行以下方法：判断发动机是否熄火；在发动机熄火的情况下，确定发动机熄火时所使用的燃料；在确定发动机熄火时所使用的燃料为可燃气体的情况下，控制车辆的喷油器在发动机熄火后喷射第一预设时间的燃油。其中，所述可燃气体为压缩气体燃料；以及，所述第一预设时间为至少一个喷油脉宽。
可选地，所述处理器920运行所述可执行指令在判断发动机是否熄火时包括：获取点火开关的开关状态；在所述点火开关的开关状态为断开的情况下，确定所述发动机熄火。
可选地，所述处理器920运行所述可执行指令在确定发动机熄火时所使用的燃料时包括：通过车辆控制器获取发动机熄火时所使用的燃料的类型；根据所述燃料的类型确定发动机熄火时所使用的燃料。
可选地，所述处理器920运行所述可执行指令，还用以执行：在确定发动机熄火时所使用的燃料为可燃气体的情况下，控制车辆的燃气喷嘴在发动机熄火后停止喷射所述可燃气体。
可选地，所述处理器920运行所述可执行指令，还用以执行：在确定发动机熄火时所使用的燃料为燃油的情况下，控制车辆的喷油器在发动机熄火后继续喷射第二预设时间的燃油。
图10示出了根据一示例性实施例示出的车辆燃料喷射控制系统的框图。如图10所示，该车辆燃料喷射控制系统可以包括：车辆燃料喷射控制装置1001，该车辆燃料喷射控制装置1001可以为图6至图8中的任一图中示出的车辆燃料喷射控制装置，或者为图9中示出的车辆燃料喷射控制装置。
此外，如图10所示，该车辆燃料喷射控制系统还可以包括：车辆的喷油器1002，与车辆燃料喷射控制装置1001连接，用于在所述车辆燃料喷射控制装置1001的控制下喷射燃油。其中，所述车辆的喷油器1002例如为图 5所示的喷油器560。
这样，车辆燃料喷射控制装置就可以在发动机熄火时，如果确定所使用的燃料为可燃气体，例如CNG等，则控制车辆的喷油器在发动机熄火后喷射第一预设时间的燃油，本实施例中喷射的燃油，使吸入汽缸的燃油小液滴在汽缸壁和节气门体上雾化形成一层油膜，由此，可在发动机下次启动时起到润滑作用，减小了喷射可燃气体所造成的摩擦力，降低了发动机活塞和气缸缸壁之间的磨损，提高了发动机的使用寿命；此外，在冷机状态下也较为容易启动。
另外，虽然在附图中未示出，但该车辆燃料喷射控制系统还可以包括：车辆的燃气喷嘴(例如，为图5所示的燃气喷嘴570)，该车辆的燃气喷嘴可以与车辆燃料喷射控制装置1001连接，用于在该车辆燃料喷射控制装置1001的控制下喷射可燃气体。
这样，车辆燃料喷射控制装置就可以在发动机熄火时，如果确定所使用的燃料为可燃气体，例如CNG等，控制车辆的燃气喷嘴不喷射可燃气体，而是控制车辆的喷油器喷射第一预设时间的燃油，进而，可在发动机下次启动时起到润滑作用，进一步减小喷射可燃气体所造成的摩擦力，降低发动机活塞和气缸缸壁之间的磨损，提高发动机的使用寿命。
在本申请所提供的几个实施例中，应该理解到，所揭露的方法、装置和系统，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述模块的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个模块或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。
作为分离部件说明的模块可以是或者也可以不是物理上分开的，作为模块显示的部件可以是或者也可以不是物理模块。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。
另外，在本发明各个实施例中的各功能模块可以集成在一个处理器中，也可以是各个模块单独物理包括，也可以两个或两个以上模块集成在一个模块中。上述集成的模块既可以采用硬件的形式实现，也可以采用硬件加软件功能模块的形式实现。
上述以软件功能模块的形式实现的集成的模块，可以存储在一个计算机可读取存储介质中。上述软件功能模块存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是控制器、车辆控制器ECU等)执行本发明各个实施例所述方法的部分或全部步骤。而前述的存储介质包括：移动硬盘、只读存储器(Read-Only Memory，简称ROM)、随机存取存储器(Random Access Memory，简称RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
显然，本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和范围。这样，倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些改动和变型在内。

Claims (16)

  1. 一种车辆燃料喷射控制方法，其特征在于，包括：
    判断发动机是否熄火；
    在发动机熄火的情况下，确定发动机熄火时所使用的燃料；
    在确定发动机熄火时所使用的燃料为可燃气体的情况下，控制车辆的喷油器在发动机熄火后喷射第一预设时间的燃油。
  2. 根据权利要求1所述的车辆燃料喷射控制方法，其特征在于，所述判断发动机是否熄火包括：
    获取点火开关的开关状态；
    在所述点火开关的开关状态为断开的情况下，确定所述发动机熄火。
  3. 根据权利要求1或2所述的车辆燃料喷射控制方法，其特征在于，所述确定发动机熄火时所使用的燃料包括：
    通过车辆控制器获取发动机熄火时所使用的燃料的类型；
    根据所述燃料的类型确定发动机熄火时所使用的燃料。
  4. 根据权利要求1至3中任一项所述的车辆燃料喷射控制方法，其特征在于，所述可燃气体为压缩气体燃料。
  5. 根据权利要求1至4中任一项所述的车辆燃料喷射控制方法，其特征在于，所述第一预设时间为至少一个喷油脉宽。
  6. 根据权利要求1至5中任一项所述的车辆燃料喷射控制方法，其特征在于，还包括：
    在确定发动机熄火时所使用的燃料为可燃气体的情况下，控制车辆的燃气喷嘴在发动机熄火后停止喷射所述可燃气体。
  7. 根据权利要求1至6中任一项所述的车辆燃料喷射控制方法，其特征在于，还包括：
    在确定发动机熄火时所使用的燃料为燃油的情况下，控制车辆的喷油器在发动机熄火后继续喷射第二预设时间的燃油。
  8. 一种车辆燃料喷射控制装置，其特征在于，包括：
    判断模块，用于判断发动机是否熄火；
    燃料确定模块，用于在发动机熄火的情况下，确定发动机熄火时所使用的燃料；
    控制模块，用于在确定发动机熄火时所使用的燃料为可燃气体的情况下，控制车辆的喷油器在发动机熄火后喷射第一预设时间的燃油。
  9. 根据权利要求8所述的车辆燃料喷射控制装置，其特征在于，所述判断模块包括：
    第一获取子模块，用于获取点火开关的开关状态；
    第一确定子模块，用于在所述点火开关的开关状态为断开的情况下，确定所述发动机熄火。
  10. 根据权利要求8或9所述的车辆燃料喷射控制装置，其特征在于，所述燃料确定模块包括：
    第二获取子模块，用于通过车辆控制器获取发动机熄火时所使用的燃料的类型；
    第二确定子模块，用于根据所述燃料的类型确定发动机熄火时所使用的燃料。
  11. 根据权利要求8至10中任一项所述的车辆燃料喷射控制装置，其特征在于，所述可燃气体为压缩气体燃料。
  12. 根据权利要求8至11中任一项所述的车辆燃料喷射控制装置，其特征在于，所述第一预设时间为至少一个喷油脉宽。
  13. 根据权利要求8至12中任一项所述的车辆燃料喷射控制装置，其特征在于，所述控制模块还用于在确定发动机熄火时所使用的燃料为可燃气体的情况下，控制车辆的燃气喷嘴在发动机熄火后停止喷射所述可燃气体。
  14. 根据权利要求8至13中任一项所述的车辆燃料喷射控制装置，其特征在于，所述控制模块还用于在确定发动机熄火时所使用的燃料为燃油的情况下，控制车辆的喷油器在发动机熄火后继续喷射第二预设时间的燃油。
  15. 一种车辆燃料喷射控制装置，其特征在于，包括：
    存储器，所述存储器中存储有可执行指令；
    处理器，被配置为运行所述可执行指令，以执行以下方法：
    判断发动机是否熄火；
    在发动机熄火的情况下，确定发动机熄火时所使用的燃料；
    在确定发动机熄火时所使用的燃料为可燃气体的情况下，控制车辆的喷油器在发动机熄火后喷射第一预设时间的燃油。
  16. 一种车辆燃料喷射控制系统，其特征在于，包括：
    车辆燃料喷射控制装置，该车辆燃料喷射控制装置为根据权利要求8-14中任一项权利要求所述的车辆燃料喷射控制装置，或者为根据权利要求15所述的车辆燃料喷射控制装置；以及
    车辆的喷油器，与所述车辆燃料喷射控制装置连接，用于在所述车辆燃料喷射控制装置的控制下喷射燃油。
PCT/CN2015/088776 2014-12-17 2015-09-01 车辆燃料喷射控制方法、装置及系统 WO2016095567A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BR112017012907-8A BR112017012907B1 (pt) 2014-12-17 2015-09-01 Método, dispositivo e sistema de controle de injeção de combustível do veículo
RU2017121218A RU2673633C1 (ru) 2014-12-17 2015-09-01 Способ, устройство и система управления впрыскиванием топлива транспортного средства

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410790637.5 2014-12-17
CN201410790637.5A CN104832306B (zh) 2014-12-17 2014-12-17 车辆燃料喷射控制方法及装置

Publications (1)

Publication Number Publication Date
WO2016095567A1 true WO2016095567A1 (zh) 2016-06-23

Family

ID=53810435

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2015/088776 WO2016095567A1 (zh) 2014-12-17 2015-09-01 车辆燃料喷射控制方法、装置及系统

Country Status (4)

Country Link
CN (1) CN104832306B (zh)
BR (1) BR112017012907B1 (zh)
RU (1) RU2673633C1 (zh)
WO (1) WO2016095567A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113464287A (zh) * 2021-07-16 2021-10-01 潍柴雷沃重工股份有限公司 一种保护发动机的方法、系统和包括发动机的农用机械
CN114370334A (zh) * 2020-10-14 2022-04-19 比亚迪股份有限公司 用于混动车辆的发动机清理方法、清理系统及混动车辆

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104832306B (zh) * 2014-12-17 2018-02-23 北汽福田汽车股份有限公司 车辆燃料喷射控制方法及装置
CN111852666B (zh) * 2020-07-24 2022-11-15 浙江吉利新能源商用车集团有限公司 一种甲醇发动机的冷起动控制方法、控制系统及车辆
CN112523880A (zh) * 2020-11-30 2021-03-19 浙江吉利控股集团有限公司 一种车辆发动机控制方法、装置、车辆及计算机存储介质

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6425362B1 (en) * 1999-10-26 2002-07-30 Sanshin Kogyo Kabushiki Kaisha Fuel injection control system
JP2002349305A (ja) * 2001-05-29 2002-12-04 Aisan Ind Co Ltd 内燃機関の電子制御装置
JP2005163609A (ja) * 2003-12-02 2005-06-23 Toyota Motor Corp 内燃機関の運転制御装置及び内燃機関の運転制御方法
US20060086825A1 (en) * 2004-10-25 2006-04-27 Denso Corporation Gaseous fuel injector
DE102010030873A1 (de) * 2010-07-02 2012-01-05 Robert Bosch Gmbh Verfahren zum Abkühlen wenigstens eines Zylinders einer Brennkraftmaschine
CN104110313A (zh) * 2013-04-19 2014-10-22 卡特彼勒公司 发动机停机过程中的双燃料共轨减压及其应用的机器
CN104832306A (zh) * 2014-12-17 2015-08-12 北汽福田汽车股份有限公司 车辆燃料喷射控制方法及装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2215176C2 (ru) * 2002-01-16 2003-10-27 Открытое акционерное общество "Российская инновационная топливно-энергетическая компания" Система подготовки нештатного топлива
JP2007032528A (ja) * 2005-07-29 2007-02-08 Torishima Pump Mfg Co Ltd 内燃式原動機の運転制御システム
CN101402528B (zh) * 2008-11-11 2010-09-29 张能 一种在内燃发动机燃烧室内壁形成陶瓷层的方法
JP5292205B2 (ja) * 2009-07-03 2013-09-18 愛三工業株式会社 複数燃料内燃機関の燃料供給制御装置
DE102009033861A1 (de) * 2009-07-16 2010-02-04 Daimler Ag Verfahren zum Betreiben einer Brennkraftmaschine für gasförmigen und flüssigen Kraftstoff und Brennkraftmaschine
CN201696151U (zh) * 2010-01-14 2011-01-05 于洪亮 一种双燃料发动机的燃料供给装置
CN104736821B (zh) * 2012-10-23 2017-07-07 西港能源有限公司 多燃料发动机中的燃料系统保护

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6425362B1 (en) * 1999-10-26 2002-07-30 Sanshin Kogyo Kabushiki Kaisha Fuel injection control system
JP2002349305A (ja) * 2001-05-29 2002-12-04 Aisan Ind Co Ltd 内燃機関の電子制御装置
JP2005163609A (ja) * 2003-12-02 2005-06-23 Toyota Motor Corp 内燃機関の運転制御装置及び内燃機関の運転制御方法
US20060086825A1 (en) * 2004-10-25 2006-04-27 Denso Corporation Gaseous fuel injector
DE102010030873A1 (de) * 2010-07-02 2012-01-05 Robert Bosch Gmbh Verfahren zum Abkühlen wenigstens eines Zylinders einer Brennkraftmaschine
CN104110313A (zh) * 2013-04-19 2014-10-22 卡特彼勒公司 发动机停机过程中的双燃料共轨减压及其应用的机器
CN104832306A (zh) * 2014-12-17 2015-08-12 北汽福田汽车股份有限公司 车辆燃料喷射控制方法及装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114370334A (zh) * 2020-10-14 2022-04-19 比亚迪股份有限公司 用于混动车辆的发动机清理方法、清理系统及混动车辆
CN114370334B (zh) * 2020-10-14 2023-09-05 比亚迪股份有限公司 用于混动车辆的发动机清理方法、清理系统及混动车辆
CN113464287A (zh) * 2021-07-16 2021-10-01 潍柴雷沃重工股份有限公司 一种保护发动机的方法、系统和包括发动机的农用机械

Also Published As

Publication number Publication date
BR112017012907A2 (pt) 2018-01-09
RU2673633C1 (ru) 2018-11-28
CN104832306B (zh) 2018-02-23
CN104832306A (zh) 2015-08-12
BR112017012907B1 (pt) 2023-05-09

Similar Documents

Publication Publication Date Title
WO2016095567A1 (zh) 车辆燃料喷射控制方法、装置及系统
CN101688488B (zh) 用于内燃机的停止起动控制设备和方法
JP4506527B2 (ja) 内燃機関の制御装置
CN103161587B (zh) 可变点火型柴油-汽油双燃油动力燃烧发动机、系统和方法
CN102852659B (zh) 缸内喷射式发动机的控制装置
JP5809796B2 (ja) 内燃機関の燃料噴射制御装置
RU2719324C2 (ru) Способ (варианты) и система для очистки свечи зажигания автомобильного двигателя
CN101208506A (zh) 内燃机控制设备
CN103104364A (zh) 启动时向发动机喷射燃料的方法
WO2015146930A1 (ja) 内燃機関の燃料噴射装置
CN107061035B (zh) 燃料喷射系统及方法
JP2014020211A (ja) 筒内噴射式エンジンの燃料噴射制御装置
CN103052785A (zh) 内燃机的控制装置
CN103147892A (zh) 四缸缸内直喷汽油机直接起动的方法
CN101925728B (zh) 发动机
JP5887877B2 (ja) 圧縮自己着火式エンジンの始動制御装置
CN110242421B (zh) 在发动机熄火时的减振装置及其方法
CN104632442B (zh) 用于识别内燃机的一个汽缸的压缩压力与另一个汽缸的压缩压力的偏差的方法
CN104797800A (zh) 发动机
JP5910176B2 (ja) 圧縮自己着火式エンジンの始動制御装置
JP5842678B2 (ja) 圧縮自己着火式エンジンの始動制御方法および装置
CN102434302B (zh) 缸内直喷汽油机高压起动控制方法
US11260407B2 (en) Methods and systems for a fuel injector assembly
EP3460223A1 (en) Internal combustion engine control device
JP2013160088A (ja) 圧縮自己着火式エンジンの始動制御装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15869078

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

REG Reference to national code

Ref country code: BR

Ref legal event code: B01A

Ref document number: 112017012907

Country of ref document: BR

ENP Entry into the national phase

Ref document number: 2017121218

Country of ref document: RU

Kind code of ref document: A

ENP Entry into the national phase

Ref document number: 112017012907

Country of ref document: BR

Kind code of ref document: A2

Effective date: 20170615

122 Ep: pct application non-entry in european phase

Ref document number: 15869078

Country of ref document: EP

Kind code of ref document: A1

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205N DATED 25/01/2018)

122 Ep: pct application non-entry in european phase

Ref document number: 15869078

Country of ref document: EP

Kind code of ref document: A1