WO2022111643A1 - 一种燃油系统跳枪和补加的控制方法及电控燃油系统 - Google Patents

一种燃油系统跳枪和补加的控制方法及电控燃油系统 Download PDF

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WO2022111643A1
WO2022111643A1 PCT/CN2021/133652 CN2021133652W WO2022111643A1 WO 2022111643 A1 WO2022111643 A1 WO 2022111643A1 CN 2021133652 W CN2021133652 W CN 2021133652W WO 2022111643 A1 WO2022111643 A1 WO 2022111643A1
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control valve
electric control
container
controller
pressure
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PCT/CN2021/133652
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English (en)
French (fr)
Inventor
张艳波
姜林
高德俊
吕昊
周传军
严济彦
刘亚洲
李建东
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亚普汽车部件股份有限公司
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Publication of WO2022111643A1 publication Critical patent/WO2022111643A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/06—Fuel tanks characterised by fuel reserve systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K2015/0319—Fuel tanks with electronic systems, e.g. for controlling fuelling or venting
    • B60K2015/03197—Systems for exchanging data
    • B60K2015/03203—Systems for exchanging data during refueling

Definitions

  • the invention belongs to the technical field of fuel storage system control, in particular to a control method for jumping guns and replenishing of a fuel system and an electronically controlled fuel system.
  • the fuel storage system used in motor vehicles adopts the traditional mechanical valve method to control the filling volume, which has long reaction time and inaccurate volume control.
  • the problem caused by excessive filling is that the container is overloaded, which is more likely to lead to deformation and damage question.
  • volume control There are two aspects of volume control, the filling volume and replenishment volume of the fuel storage system when the gun is jumped for the first time. Due to the habits of gas station staff or consumers or other factors, after the fuel storage system jumps the gun for the first time, it will be Continue to refill to refill. If the volume of the first jump gun is larger, plus the additional fuel, the load on the fuel storage system will be greater. The root cause is traced back to the defects of the existing volume control methods.
  • the purpose of the present invention is to provide a fuel system jumping gun and replenishment control method and an electronically controlled fuel system, so as to solve the problems of inaccurate filling volume and difficult control of replenishment amount in the current volume control method.
  • a control method for jumping guns and adding fuel in a fuel system comprising the following steps:
  • the controller obtains the fuel filling signal
  • the controller collects the liquid level signal, and the controller judges whether the liquid level in the container reaches the set value, and if it does not reach the set value, continue to fill; if the set value is reached, the controller controls the electric control valve to close;
  • the controller judges whether the opening condition of the electric control valve is satisfied, if the opening condition of the electric control valve is satisfied, the controller controls the opening condition of the electric control valve to open, and if the opening condition of the electric control valve is not satisfied, the electric control valve is kept closed;
  • step S4 After the controller controls the electric control valve to open in step S3, the controller judges whether the electric control valve closing condition is met. If the closing condition is met, the controller controls the electric control valve to close, otherwise the electric control valve remains open.
  • the opening condition of the electronically controlled valve in step S3 is that the pressure detector detects the pressure P1 in the container, if the pressure P1 ⁇ the set pressure Pset1, the timer is started, and when the timer reaches the first set time, the controller controls The electronic control valve opens.
  • the closing condition of the electronically controlled valve in step S4 is that when the electronically controlled valve is open in step S3, the timer is started, and when the timer reaches the second set time, the controller controls the electronically controlled valve to close.
  • step S4 the electric control valve is closed under the condition that in step S3 the electric control valve is open, the pressure detector detects the pressure P2 in the container, if the pressure P2 ⁇ Pset2, the controller controls the electric control valve to close, otherwise , the electronically controlled valve remains open.
  • a condition for opening the electronically controlled valve is that a timer is started, and when the timer reaches a third set time, the controller controls the electronically controlled valve to open.
  • step S4 the electronically controlled valve is closed under the condition that in step S3 the electronically controlled valve is open, the timer is started, and when the timer reaches the fourth set time, the controller controls the electronically controlled valve to close.
  • step S4 the electric control valve is closed when the pressure detector detects the pressure P3 in the container when the electric control valve is open in step S3. If P3 ⁇ Pset3, the controller controls the electric control valve to close, otherwise all the The electronically controlled valve remains open.
  • An electronically controlled fuel system for implementing any one of the above control methods, including a container for storing fuel, a filling pipe, a liquid level detector, a pressure detector, an electronically controlled valve, a carbon canister, a timer and a control
  • One end of the filling pipe is communicated with the inner cavity of the container, the liquid level detector is arranged in the container, the pressure detector is arranged in the container/on the container/on the pipeline connected to the container, the The container is communicated with the carbon canister through an electric control valve, and the timer, the liquid level detector, the pressure detector and the electric control valve are all connected with the controller by electrical signals.
  • the control method for jumping guns and replenishing of the fuel system of the invention has the advantages of convenient operation and high control efficiency, and can be adapted to the filling process of different types of fuel storage systems.
  • Fig. 1 is the schematic diagram of the electronically controlled fuel system of the present invention
  • Fig. 2 is the logic schematic diagram of the present invention
  • Fig. 3 is the logical schematic diagram of Embodiment 1 of the present invention.
  • FIG. 4 is a logical schematic diagram of Embodiment 2 of the present invention.
  • FIG. 5 is a logical schematic diagram of Embodiment 3 of the present invention.
  • FIG. 6 is a logical schematic diagram of Embodiment 4 of the present invention.
  • Fuel tank 2. Filling pipe, 3. Liquid level detector, 4. Pressure detector, 5. Electric control valve, 6. Carbon canister, 7. Timer, 8. Controller, 9. Air, 10 , refueling gun.
  • FIG. 1 The schematic diagram of the electronically controlled fuel system shown in FIG. 1 , in which the container (hereinafter also referred to as the fuel tank 1 ) is communicated with the filling pipe 2 , and the filling gun 10 fills the fuel through the filling pipe 2 , and is arranged in the fuel tank 1
  • the liquid level detector 3 is used to monitor the liquid level in the fuel tank
  • the pressure detector 4 is used to monitor the pressure in the fuel tank.
  • the liquid level signal monitored by the liquid level detector and the pressure signal monitored by the pressure detector are transmitted to the Controller 8.
  • the liquid fuel is quickly filled into the fuel tank through the filling pipe, the gas space in the fuel tank is quickly occupied by the liquid fuel, and the oil and gas mixture in the fuel tank flows through the electronic control valve 5 into the carbon canister 6 , in which the oil and gas are adsorbed and the air 9 is released into the external environment.
  • the controller 8 is connected with the electric signal of the electric control valve, and adjusts the electric control valve and the timer 7 through the received liquid level signal and pressure signal, so as to control the filling process.
  • the present application provides a control method for jumping the gun and adding fuel to the fuel system, comprising the following steps:
  • the controller obtains a fuel filling signal 101 .
  • the liquid level detector detects the real-time liquid level in the container and sends it to the controller 102.
  • the controller judges whether the liquid level in the container reaches the set value 103. If it does not reach the set value, continue to refill, and if it reaches the set value value, the controller controls the electronically controlled valve to close 104 .
  • the controller judges whether the opening condition of the electric control valve is satisfied 105. If the opening condition of the electric control valve is satisfied, the controller controls the electric control valve to open 106. If the opening condition of the electric control valve is not satisfied, the electric control valve keeps closure.
  • step S4 After the controller controls the electric control valve to open in step S3, the controller judges whether the electric control valve closing condition is satisfied 107, if the closing condition is satisfied, the controller controls the electric control valve to close 108, otherwise the electric control valve remains open.
  • the controller obtains the fuel filling signal.
  • the obtained filling signal includes but is not limited to the signal that the filling door is opened. Signals such as the opening of the fill button.
  • the liquid level detector detects the liquid level in the fuel tank and feeds it back to the controller.
  • the controller controls the electric control valve to close. The purpose of closing the electronic control valve is to cut off the oil and gas mixture in the fuel tank from entering the carbon canister, thereby causing the pressure in the fuel tank to rise.
  • the pressure detector detects the pressure signal in the fuel tank and feeds it back to the controller, when the pressure in the fuel tank is detected after the pressure changes Control the timer to start, when the timer reaches the first set time, the timer ends, and the controller controls the electric control valve to open, because the pressure in the fuel tank drops at this time, which is convenient for refilling, and the controller controls the timer to start again.
  • the second set time is reached, the second timer ends, and the controller controls the electric control valve to close.
  • a control method for the fuel system jump gun and replenishment First, the controller obtains the fuel filling signal, and the obtained filling signal includes but is not limited to the signal that the filling door is opened. Signals such as the opening of the fill button.
  • the liquid level detector detects the liquid level in the fuel tank and feeds it back to the controller. When the liquid level detector detects that the liquid level reaches the set value Ls, the controller controls the electric control valve to close. The purpose of closing the electronic control valve is to cut off the oil and gas mixture in the fuel tank from entering the carbon canister, thereby causing the pressure in the fuel tank to rise.
  • the pressure detector detects the pressure signal in the fuel tank and feeds it back to the controller, when the pressure in the fuel tank is detected after the pressure changes
  • the control timer starts. When the timer reaches the first set time, the timer ends, and the controller controls the electronic control valve to open. At this time, the pressure detector detects the pressure signal in the fuel tank and feeds it back to the controller. When the pressure detector detects When the pressure in the fuel tank P2 ⁇ Pset2, the controller controls the electric control valve to close, otherwise, the electric control valve remains open.
  • a control method for the fuel system jump gun and replenishment First, the controller obtains the fuel filling signal, and the obtained filling signal includes but is not limited to the signal that the filling door is opened. Signals such as the opening of the fill button.
  • the liquid level detector detects the liquid level in the fuel tank and feeds it back to the controller. When the liquid level detector detects that the liquid level reaches the set value Ls, the controller controls the electric control valve to close. The purpose of closing the electronic control valve is to cut off the oil and gas mixture in the fuel tank from entering the carbon canister, thereby causing the pressure in the fuel tank to rise. Jump the gun and stop filling the fuel tank with fuel.
  • the controller controls the timer to start.
  • the timer ends, the controller controls the electronic control valve to open, and the controller controls the timer to start again.
  • the timer ends and the control The controller controls the electronic control valve to close.
  • a control method for the fuel system jump gun and replenishment First, the controller obtains the fuel filling signal, and the obtained filling signal includes but is not limited to the signal that the filling door is opened. Signals such as the opening of the fill button.
  • the liquid level detector detects the liquid level in the fuel tank and feeds it back to the controller. When the liquid level detector detects that the liquid level reaches the set value Ls, the controller controls the electric control valve to close. The purpose of closing the electronic control valve is to cut off the oil and gas mixture in the fuel tank from entering the carbon canister, thereby causing the pressure in the fuel tank to rise. Jump the gun and stop filling the fuel tank with fuel.
  • the controller controls the timer to start. When the timer reaches the third set time, the timer ends, the controller controls the electric control valve to open, and the pressure detector detects the pressure P3 in the fuel tank. If P3 ⁇ Pset3, the controller controls the electric control valve. The control valve is closed, otherwise the electronic control valve remains open.
  • P2 and P3 may be equal or unequal, and may be arbitrarily determined as required.
  • step S4 is executed to close the valve, the subsequent steps will not be performed.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
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  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
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  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
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Abstract

一种燃油系统跳枪和补加的控制方法及电控燃油系统，包括用于存储燃料的容器、加注管（2）、液位检测器（3）、压力检测器（4）、电控阀（5）、碳罐（6）及控制器（8）；所述加注管（2）的一端与容器的内腔连通，所述容器通过电控阀（5）与碳罐（6）连通，所述液位检测器（3）、所述压力检测器（4）及所述电控阀（5）均与所述控制器（8）电信号连接，并通过上述的系统实现燃油在加油过程中的跳枪和补加的控制方法，保证了燃料箱（1）加注容积精确，避免过加注和加注后燃料箱（1）中压力高引起的反喷或其他不良加注体验。

Description

一种燃油系统跳枪和补加的控制方法及电控燃油系统 技术领域
本发明属于燃料存储系统控制技术领域，特别是指一种燃油系统跳枪和补加的控制方法及电控燃油系统。
背景技术
目前机动车上在用的燃料存储系统采用传统的机械阀方式控制加注容积，反应时间长，容积控制不精确，过量加注带来的问题是容器负载过大，更容易导致变形、破损等问题。
容积的控制有两个方面，首次跳枪时的燃料存储系统的加注容积和补加容积，由于加油站工作人员或消费者的习惯或其他因素的影响，燃料存储系统首次跳枪后，会继续进行加注进行补加。如果首次跳枪的容积较大，再加上补加的燃料，燃料存储系统的负载会更大。追溯根源就是由于现有的容积控制方式存在缺陷造成的。
发明内容
本发明的目的是提供一种燃油系统跳枪和补加的控制方法及电控燃油系统，以解决现容积控制方式存在加注容积不精确，补加量难控制的问题。
本发明是通过以下技术方案实现的：
一种燃油系统跳枪和补加的控制方法，包括以下步骤：
S1、控制器获取燃油加注信号；
S2、控制器采集液位信号，所述控制器判断容器内的液位是否达到设定值，若没有达到设定值，继续加注，若达到设定值，控制器控制电控阀关闭；
S3、所述控制器判断是否满足电控阀开启条件，若满足电控阀开启条件，所述控制器控制电控阀门打开，若不满足电控阀开启条件，所述电控阀保持关闭；
S4、在步骤S3控制器控制电控阀门打开后，控制器判断是否满足电控阀关闭条件，若满足关闭条件，所述控制器控制电控阀关闭，否则电控阀保持打开状态。
优选的，步骤S3中电控阀开启条件为，压力检测器检测容器内的压力P1,若压力P1≥设定压力Pset1，计时器启动，当计时达到第一设定时间，所述控制器控制电控阀打开。
优选的，步骤S4中电控阀关闭条件为，在步骤S3电控阀打开状态下，计时器启动，当计时达到第二设定时间后，所述控制器控制电控阀关闭。
优选的，步骤S4中电控阀关闭条件为，在步骤S3电控阀打开状态下，压力检测器检测容器内的压力P2,若压力P2≤Pset2,所述控制器控制电控阀关闭，否则，所述电控阀保持打开状态。
优选的，步骤S3中电控阀开启条件为，计时器启动，当计时达到第三设定时间，所述控制器控制电控阀打开。
优选的，步骤S4中电控阀关闭条件为，在步骤S3电控阀打开状 态下，计时器启动，当计时达到第四设定时间，所述控制器控制电控阀关闭。
优选的，步骤S4中电控阀关闭条件为，在步骤S3电控阀打开状态下，压力检测器检测容器内的压力P3,若P3≤Pset3，所述控制器控制电控阀关闭，否则所述电控阀保持打开状态。
一种电控燃油系统，用于实现上述任一项的控制方法，包括用于存储燃料的容器、加注管、液位检测器、压力检测器、电控阀、碳罐、计时器及控制器；所述加注管的一端与容器的内腔连通，所述液位检测器设置于容器内，所述压力检测器设置于容器内/容器上/与容器相连接的管路上，所述容器通过电控阀与碳罐连通，所述计时器、所述液位检测器、所述压力检测器及所述电控阀均与所述控制器电信号连接。
本发明的有益效果是：
本发明的燃油系统跳枪和补加的控制方法，操作方便，控制效率高，能够适应不同类型燃料存储系统的加注过程。
附图说明
图1为本发明电控燃油系统示意图；
图2为本发明逻辑示意图；
图3为本发明实施例1的逻辑示意图；
图4为本发明实施例2的逻辑示意图；
图5为本发明实施例3的逻辑示意图；
图6为本发明实施例4的逻辑示意图。
附图标记说明
1、燃油箱，2、加注管，3、液位检测器，4、压力检测器，5、电控阀，6、碳罐，7、计时器，8、控制器，9、空气，10、加油枪。
具体实施方式
以下通过实施例来详细说明本发明的技术方案，以下的实施例仅是示例性的，仅能用来解释和说明本发明的技术方案而不能解释为是对本发明技术方案的限制。
如图1所示的电控燃油系统示意图，其中容器(在以下也称为燃油箱1)与加注管2连通，加油枪10通过加注管2进行燃油加注，设置于燃油箱1内的液位检测器3用来监测燃油箱内的液位，压力检测器4用来监测燃油箱内的压力，液位检测器监测到液位信号及压力检测器监测到的压力信号均传递给控制器8。
在进行燃油加注过程中，液态燃油通过加注管快速填充到燃油箱内，燃油箱内的气体空间迅速被液态燃油占据，燃油箱内的油气混合物经过电控阀5流到碳罐6内，其中油气被吸附，空气9释放到外界环境中。控制器8与电控阀电信号连接，通过接收到的液位信号和压力信号，调节电控阀和计时器7，用于对加注过程进行控制。
如图2所示，本申请提供一种燃油系统跳枪和补加的控制方法，包括以下步骤：
S1、控制器获取燃油加注信号101。
S2、液位检测器检测容器内的即时液位给控制器102，所述控制器判断容器内的液位是否达到设定值103，若没有达到设定值，继续加注，若达到设定值，控制器控制电控阀关闭104。
S3、所述控制器判断是否满足电控阀开启条件105，若满足电控阀开启条件，所述控制器控制电控阀门打开106，若不满足电控阀开启条件，所述电控阀保持关闭。
S4、在步骤S3控制器控制电控阀门打开后，控制器判断是否满足电控阀关闭条件107，若满足关闭条件，所述控制器控制电控阀关闭108，否则电控阀保持打开状态。
实施例1
如图3所示，一种燃油系统跳枪和补加的控制方法，首先控制器获取燃油加注信号，获取的加注信号包括但不限于加注小门打开的信号，若者是整车上加注按钮的打开等信号。在识别到燃油加注信号后，液位检测器检测到燃油箱内的液位反馈给控制器，当液位检测器检测到液位达到设定值Ls时，控制器控制电控阀关闭，关闭了电控阀是为了切断燃油箱内的油气混合物进入到碳罐内，从而引起燃油箱内的压力上升，当压力上升到一定时，因为加注的燃油受压力的阻止，使的加油枪跳枪，停止向燃油箱内加注燃油，压力检测器检测到燃油箱内的压力信号并反馈给控制器，当压力变化后检测到燃油箱内的压力P1≥设定压力Pset1时，控制器控制计时器启动，当计时达到第一设定时间时，计时结束，控制器控制电控阀打开，因为此时燃油箱内压力下降，便于进行补枪，控制器控制计时器再次启动， 当计时达到第二设定时间时，第二次计时结束，控制器控制电控阀关闭。
实施例2
如图4所示，一种燃油系统跳枪和补加的控制方法，首先控制器获取燃油加注信号，获取的加注信号包括但不限于加注小门打开的信号，若者是整车上加注按钮的打开等信号。在识别到燃油加注信号后，液位检测器检测到燃油箱内的液位反馈给控制器，当液位检测器检测到液位达到设定值Ls时，控制器控制电控阀关闭，关闭了电控阀是为了切断燃油箱内的油气混合物进入到碳罐内，从而引起燃油箱内的压力上升，当压力上升到一定时，因为加注的燃油受压力的阻止，使的加油枪跳枪，停止向燃油箱内加注燃油，压力检测器检测到燃油箱内的压力信号并反馈给控制器，当压力变化后检测到燃油箱内的压力P1≥设定压力Pset1时，控制器控制计时器启动，当计时达到第一设定时间时，计时结束，控制器控制电控阀打开，此时，压力检测器检测燃油箱内的压力信号并反馈给控制器，当压力检测器检测到燃油箱内的压力P2≤Pset2,所述控制器控制电控阀关闭，否则，所述电控阀保持打开状态。
实施例3
如图5所示，一种燃油系统跳枪和补加的控制方法，首先控制器获取燃油加注信号，获取的加注信号包括但不限于加注小门打开的信号，若者是整车上加注按钮的打开等信号。在识别到燃油加注信号后，液位检测器检测到燃油箱内的液位反馈给控制器，当液位检测器检测 到液位达到设定值Ls时，控制器控制电控阀关闭，关闭了电控阀是为了切断燃油箱内的油气混合物进入到碳罐内，从而引起燃油箱内的压力上升，当压力上升到一定时，因为加注的燃油受压力的阻止，使的加油枪跳枪，停止向燃油箱内加注燃油。
控制器控制计时器启动，当计时达到第三设定时间时，计时结束，控制器控制电控阀打开，控制器控制计时器再次启动，当计时达到第四设定时间时，计时结束，控制器控制电控阀关闭。
实施例4
如图6所示，一种燃油系统跳枪和补加的控制方法，首先控制器获取燃油加注信号，获取的加注信号包括但不限于加注小门打开的信号，若者是整车上加注按钮的打开等信号。在识别到燃油加注信号后，液位检测器检测到燃油箱内的液位反馈给控制器，当液位检测器检测到液位达到设定值Ls时，控制器控制电控阀关闭，关闭了电控阀是为了切断燃油箱内的油气混合物进入到碳罐内，从而引起燃油箱内的压力上升，当压力上升到一定时，因为加注的燃油受压力的阻止，使的加油枪跳枪，停止向燃油箱内加注燃油。
控制器控制计时器启动，当计时达到第三设定时间时，计时结束，控制器控制电控阀打开，压力检测器检测燃油箱内的压力P3，若P3≤Pset3，所述控制器控制电控阀关闭，否则所述电控阀保持打开状态。
在本申请的上述实施例中，P2和P3可以相等也可以不相等，可以根据需要进行任意的确定。
另外一种特殊情况，如果由于液位传感器检测精度不够或者其他原因造成在步骤S3中，液位明显超过设定值，例如达到设定值的系统最大安全容积，例如1.03倍的额定容积、1.05的额定容积，综合考虑系统的呼吸功能进行定义，执行步骤S4关闭阀门后，后续步骤不再进行。
以上，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何不经过创造性劳动想到的变化或替换，都应涵盖在本发明的保护范围之内，因此，本发明的保护范围应该以权利要求书所限定的保护范围为准。

Claims (8)

  1. 一种燃油系统跳枪和补加的控制方法，其特征在于，包括以下步骤：
    S1、控制器获取燃油加注信号；
    S2、控制器采集液位信号，所述控制器判断容器内的液位是否达到设定值，若没有达到设定值，继续加注，若达到设定值，控制器控制电控阀关闭；
    S3、所述控制器判断是否满足电控阀开启条件，若满足电控阀开启条件，所述控制器控制电控阀门打开，若不满足电控阀开启条件，所述电控阀保持关闭；
    S4、在步骤S3控制器控制电控阀门打开后，控制器判断是否满足电控阀关闭条件，若满足关闭条件，所述控制器控制电控阀关闭，否则电控阀保持打开状态。
  2. 根据权利要求1所述的燃油系统跳枪和补加的控制方法，其特征在于，步骤S3中电控阀开启条件为，压力检测器检测容器内的压力P1,若压力P1≥设定压力Pset1，计时器启动，当计时达到第一设定时间，所述控制器控制电控阀打开。
  3. 根据权利要求2所述的燃油系统跳枪和补加的控制方法，其特征在于，步骤S4中电控阀关闭条件为，在步骤S3电控阀打开状态下，计时器启动，当计时达到第二设定时间后，所述控制器控制电控阀关闭。
  4. 根据权利要求2所述的燃油系统跳枪和补加的控制方法，其特征在于，步骤S4中电控阀关闭条件为，在步骤S3电控阀打开状态下，压力检测器检测容器内的压力P2,若压力P2≤Pset2,所述控制器 控制电控阀关闭，否则，所述电控阀保持打开状态。
  5. 根据权利要求1所述的燃油系统跳枪和补加的控制方法，其特征在于，步骤S3中电控阀开启条件为，计时器启动，当计时达到第三设定时间，所述控制器控制电控阀打开。
  6. 根据权利要求5所述的燃油系统跳枪和补加的控制方法，其特征在于，步骤S4中电控阀关闭条件为，在步骤S3电控阀打开状态下，计时器启动，当计时达到第四设定时间，所述控制器控制电控阀关闭。
  7. 根据权利要求5所述的燃油系统跳枪和补加的控制方法，其特征在于，步骤S4中电控阀关闭条件为，在步骤S3电控阀打开状态下，压力检测器检测容器内的压力P3,若P3≤Pset3，所述控制器控制电控阀关闭，否则所述电控阀保持打开状态。
  8. 一种电控燃油系统，用于实现上述权利要求1至7中任一项的控制方法，其特征在于，包括用于存储燃料的容器、加注管、液位检测器、压力检测器、电控阀、碳罐及控制器；所述加注管的一端与容器的内腔连通，所述液位检测器设置于容器内，所述压力检测器设置于容器内/容器上/与容器连接的管路上，所述容器通过电控阀与碳罐连通，所述计时器、所述液位检测器、所述压力检测器及所述电控阀均与所述控制器电信号连接。
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