Automobile fuel tank fuel simulation test method and system

文档序号:132365 发布日期:2021-10-22 浏览:30次 中文

阅读说明:本技术 一种汽车油箱燃油模拟测试方法及其系统 (Automobile fuel tank fuel simulation test method and system ) 是由 谢敏 隋延春 谭富民 张泽明 于 2021-06-03 设计创作,主要内容包括:本发明涉及汽车油箱燃油量测试方法技术领域,尤其涉及一种汽车油箱燃油模拟测试方法及其系统,包括燃油测试数据获取过程和燃油测试模拟过程。本发明的发明目的在于提供一种汽车油箱燃油模拟测试方法及其系统,采用本发明提供的技术方案解决了传统的油量算法验证通过实车加油行驶来验证,存在验证成本高的技术问题。(The invention relates to the technical field of a method for testing the fuel quantity of an automobile fuel tank, in particular to a method and a system for simulating and testing the fuel of the automobile fuel tank. The invention aims to provide a method and a system for simulating and testing fuel oil of an automobile fuel tank, and the technical scheme provided by the invention solves the technical problem that the verification cost is high when the traditional fuel quantity algorithm verification is verified by the actual automobile refueling driving.)

1. A fuel simulation test method for an automobile fuel tank is characterized by comprising the following steps: the method comprises a fuel test data acquisition process and a fuel test simulation process;

the fuel test data acquisition process comprises the following steps:

a100, acquiring the real-time fuel injection quantity of an automobile and the resistance value of an oil tank in real time in the fuel oil test process of the oil tank;

a200, storing the real-time oil injection quantity through a CAN message; converting the resistance value into a corresponding numerical value and storing the numerical value through a CAN message;

the fuel test simulation process comprises the following steps:

b100, acquiring the CAN message stored in the step A200;

b200, simulating the real-time fuel consumption condition of the automobile through the CAN message of the real-time fuel injection quantity;

b300, simulating a resistance output value in the real-time fuel process of the automobile through the CAN message of the resistance value;

and B400, simulating the acquired fuel quantity algorithm of the relevant fuel parameter verification instrument according to the modification steps B200-B300.

2. The utility model provides a car oil tank fuel simulation test system which characterized in that: comprises that

And the real-time acquisition and conversion device is used for acquiring the real-time oil injection quantity of the automobile and the resistance value of the oil tank.

The real-time acquisition and storage module is used for storing the data transmitted by the real-time acquisition and conversion device in a CAN message mode;

and the real-time playback state module is used for acquiring the data of the real-time acquisition and storage module and simulating the real-time fuel consumption condition of the automobile and the resistance output value of the automobile when fuel jumps during driving according to the data.

3. The automobile fuel tank fuel simulation test system according to claim 2, characterized in that: the fuel quantity display system also comprises an automobile instrument fuel quantity algorithm processing module and a fuel quantity display module;

the automobile instrument fuel quantity algorithm processing module is used for verifying the accuracy of the fuel quantity algorithm of an instrument manufacturer after modifying the related fuel parameters;

and the oil quantity display module displays the residual oil quantity value after passing through a fuel oil quantity algorithm of an instrument manufacturer.

4. The automobile fuel tank fuel simulation test system according to claim 3, characterized in that: the real-time playback module comprises

The real-time fuel injection quantity playback module of the automobile is used for simulating the real-time fuel consumption condition of the automobile according to the data of the real-time acquisition and storage module;

and the automobile oil mass resistance playback module is used for simulating a resistance output value when fuel oil jumps when the automobile runs according to the data of the real-time acquisition and storage module.

Technical Field

The invention relates to the technical field of a method for testing the fuel quantity of an automobile fuel tank, in particular to a method and a system for simulating and testing the fuel of the automobile fuel tank.

Technical Field

The fuel quantity display of the automobile fuel tank is a key part display of an automobile and is also a place where a driver pays more attention to when driving the automobile, and the effective driving distance of the automobile is directly influenced. Accurate measurement of the remaining fuel quantity of the automobile fuel tank is very critical. Because the traditional automobile fuel tank generally judges the fuel quantity of the automobile fuel tank through the floating height of the fuel floater. Because the shape of the automobile oil tank is irregular and the oil float fluctuates up and down in the running process of the automobile, the output value of the static resistance of the oil quantity of the automobile oil tank provided by a manufacturer cannot meet the oil quantity measurement display. The traditional fuel quantity measurement of the automobile fuel tank can accurately judge the fuel quantity value in the automobile fuel tank only through a corresponding fuel quantity algorithm, but the development and verification of the fuel quantity algorithm of the automobile fuel tank must be verified through a real automobile.

The traditional remaining fuel quantity measuring algorithm of the automobile fuel tank is mainly developed by the following three aspects of work: 1. calculating the residual oil quantity of the automobile oil tank according to key resistance values of the oil tank given by an automobile manufacturer; 2. the automobile instrument manufacturer calculates the residual oil quantity of an automobile oil tank according to the first work and by combining the residual oil quantity algorithm; 3. after the automobile instrument manufacturer determines the algorithm, the accuracy of the automobile fuel tank fuel quantity algorithm is verified in real automobile.

And 3, traditionally, oiling the real vehicle to verify, and if the oil quantity calculation method is wrong during the real vehicle verification, modifying the algorithm and then oiling the real vehicle to verify. Therefore, when the oil quantity calculation method is modified every time, a real vehicle test is carried out, which is very labor-consuming, time-consuming and money-consuming, and is not beneficial to the rapid development of an oil quantity algorithm.

Disclosure of Invention

The invention aims to provide a method and a system for simulating and testing fuel oil of an automobile fuel tank, and the technical scheme provided by the invention solves the technical problem that the verification cost is high when the traditional fuel quantity algorithm verification is verified by the actual automobile refueling driving.

In order to solve the technical problems, the invention provides a fuel simulation test method for an automobile fuel tank on one hand, which comprises a fuel test data acquisition process and a fuel test simulation process;

the fuel test data acquisition process comprises the following steps:

a100, acquiring the real-time fuel injection quantity of an automobile and the resistance value of an oil tank in real time in the fuel oil test process of the oil tank;

a200, storing the real-time oil injection quantity through a CAN message; converting the resistance value into a corresponding numerical value and storing the numerical value through a CAN message;

the fuel test simulation process comprises the following steps:

b100, acquiring the CAN message stored in the step A200;

b200, simulating the real-time fuel consumption condition of the automobile through the CAN message of the real-time fuel injection quantity;

b300, simulating a resistance output value in the real-time fuel process of the automobile through the CAN message of the resistance value;

and B400, simulating the acquired fuel quantity algorithm of the relevant fuel parameter verification instrument according to the modification steps B200-B300.

Based on the fuel simulation test method, the invention also provides a fuel simulation test system of the automobile fuel tank, which comprises

And the real-time acquisition and conversion device is used for acquiring the real-time oil injection quantity of the automobile and the resistance value of the oil tank.

The real-time acquisition and storage module is used for storing the data transmitted by the real-time acquisition and conversion device in a CAN message mode;

and the real-time playback state module is used for acquiring the data of the real-time acquisition and storage module and simulating the real-time fuel consumption condition of the automobile and the resistance output value of the automobile when fuel jumps during driving according to the data.

Preferably, the fuel quantity display device also comprises an automobile instrument fuel quantity algorithm processing module and a fuel quantity display module;

the automobile instrument fuel quantity algorithm processing module is used for verifying the accuracy of the fuel quantity algorithm of an instrument manufacturer after modifying the related fuel parameters;

and the oil quantity display module displays the residual oil quantity value after passing through a fuel oil quantity algorithm of an instrument manufacturer.

Preferably, the real-time playback module comprises

The real-time fuel injection quantity playback module of the automobile is used for simulating the real-time fuel consumption condition of the automobile according to the data of the real-time acquisition and storage module;

and the automobile oil mass resistance playback module is used for simulating a resistance output value when fuel oil jumps when the automobile runs according to the data of the real-time acquisition and storage module.

From the above, the application of the technical scheme provided by the invention has the following beneficial effects:

after the change data of the fuel oil of the whole real vehicle fuel oil tank is collected, the fuel oil algorithm of the real vehicle verification fuel oil tank does not need to be verified by consuming manpower and money, and the verification of the fuel oil algorithm of the automobile fuel oil tank is greatly facilitated, so that the development of the fuel oil algorithm of the automobile fuel oil tank is shortened, the accuracy of the fuel oil algorithm of the automobile fuel oil tank is improved, and the development efficiency is improved. The fuel injection quantity and the residual fuel quantity resistance value of the automobile can be replayed in real time according to the real automobile.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments of the present invention or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is a block diagram of an embodiment of a fuel simulation test system for an automobile fuel tank.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The traditional remaining fuel quantity measuring algorithm of the automobile fuel tank is mainly developed by the following three aspects of work: 1. calculating the residual oil quantity of the automobile oil tank according to key resistance values of the oil tank given by an automobile manufacturer; 2. the automobile instrument manufacturer calculates the residual oil quantity of an automobile oil tank according to the first work and by combining the residual oil quantity algorithm; 3. after the automobile instrument manufacturer determines the algorithm, the accuracy of the automobile fuel tank fuel quantity algorithm is verified in real automobile.

And 3, traditionally, oiling the real vehicle to verify, and if the oil quantity calculation method is wrong during the real vehicle verification, modifying the algorithm and then oiling the real vehicle to verify. Therefore, when the oil quantity calculation method is modified every time, a real vehicle test is carried out, which is very labor-consuming, time-consuming and money-consuming, and is not beneficial to the rapid development of an oil quantity algorithm.

In order to solve the above technical problems, the embodiment provides a method and a system for simulating and testing fuel in an automobile fuel tank, after a complete change data of fuel in the automobile fuel tank is acquired, verification of a fuel algorithm in the fuel tank is performed without consuming labor and money, so that verification of the fuel algorithm in the automobile fuel tank is greatly facilitated, development of the fuel algorithm in the automobile fuel tank is shortened, accuracy of the fuel algorithm in the automobile fuel tank is improved, and development efficiency is improved.

The embodiment provides a fuel simulation test method for an automobile fuel tank, which comprises a fuel test data acquisition process and a fuel test simulation process.

The fuel test data acquisition process comprises the following steps:

a100, acquiring the real-time fuel injection quantity of the automobile and the resistance value of the fuel tank in real time in the fuel tank fuel oil testing process.

A200, storing the real-time oil injection quantity through a CAN message; and converting the resistance value into a corresponding numerical value and storing the numerical value through a CAN message.

In the step, since the output method of the fuel injection quantity of the automobile is a CAN message mode and the output mode of the resistance value of the oil tank of the automobile is a resistance mode, the acquired resistance value needs to be converted into a corresponding numerical value in the CAN message mode.

The fuel test simulation process comprises the following steps:

b100, acquiring the CAN message stored in the step A200;

b200, simulating the real-time fuel consumption condition of the automobile through the CAN message of the real-time fuel injection quantity;

b300, simulating a resistance output value in the real-time fuel process of the automobile through the CAN message of the resistance value;

and B400, simulating the acquired fuel quantity algorithm of the relevant fuel parameter verification instrument according to the modification steps B200-B300.

As shown in fig. 1, based on the fuel simulation test method, another aspect of the present embodiment further provides a fuel simulation test system for an automobile fuel tank, which includes

And the real-time acquisition and conversion device is used for acquiring the real-time oil injection quantity of the automobile and the resistance value of the oil tank.

The real-time acquisition and storage module is used for storing the data transmitted by the real-time acquisition and conversion device in a CAN message mode;

and the real-time playback state module is used for acquiring the data of the real-time acquisition and storage module and simulating the real-time fuel consumption condition of the automobile and the resistance output value of the automobile when fuel jumps during driving according to the data.

Specifically, the real-time acquisition and conversion device is mainly used for acquiring the real-time oil injection quantity of an automobile and the resistance value of an oil tank, and therefore the module needs to have the functions of CAN signal receiving and AD acquisition. Because the output method of the fuel injection quantity of the automobile is a CAN message mode, and the output mode of the resistance value of the oil tank of the automobile is a resistance mode, the real-time acquisition and conversion device converts the acquired resistance value into a corresponding numerical value and sends the numerical value to the real-time acquisition and storage module in the CAN message mode.

The real-time acquisition and storage device (CANOE) is mainly used for storing CAN message data transmitted by the real-time acquisition and conversion device. The CANOE is a necessary tool for automobile instrument development, has the function of recording CAN messages in real time, and CAN play back and collect the CAN messages in real time.

The real-time playback state module mainly comprises two parts: the device comprises an automobile real-time fuel injection quantity playback module and an automobile fuel quantity resistance playback module.

The real-time fuel injection quantity playback module of the automobile mainly simulates the real-time fuel consumption condition of the automobile;

and the automobile oil mass resistance playback module is used for simulating a resistance output value when fuel oil jumps when the automobile runs according to the data of the real-time acquisition and storage module.

In order to verify the fuel quantity algorithm of the automobile instrument, the fuel quantity algorithm processing module and the fuel quantity display module of the automobile instrument are further included in the embodiment.

The fuel quantity algorithm processing module of the automobile instrument is used for verifying the accuracy of a fuel quantity algorithm of an instrument manufacturer after relevant fuel parameters are modified;

and the oil quantity display module displays the residual oil quantity value after passing through a fuel oil quantity algorithm of an instrument manufacturer.

After the fuel consumption data of the automobile fuel tank is completely acquired once, the actual fuel consumption condition of the automobile fuel tank can be simulated on the rack, the fuel algorithm of the automobile fuel tank is verified without consuming manpower and money, and then the fuel algorithm of the automobile fuel tank is verified, so that all automobile instrument manufacturers can conveniently verify the remaining fuel detection algorithm of the automobile, the manpower and material resources are greatly saved, and the fuel algorithm verification efficiency is improved; the method is not influenced by the shape of the oil tank, and can acquire and monitor the state change of the relevant data of the oil tank of the automobile in real time; low cost and is suitable for manufacturers of similar products.

The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.

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