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Method for calculating, storing and displaying oil consumption of moderate hybrid electric vehicle

A technology of hybrid electric vehicles and hybrid power, applied in measuring devices, instruments, relative volume flow measurement, etc., can solve problems such as single operation mode and unsuitability for fuel consumption calculation, and achieve the goal of simplifying calculation, preventing overflow, and reducing storage space Effect

Active Publication Date: 2010-09-01
CHONGQING CHANGAN AUTOMOBILE CO LTD
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AI Technical Summary

Problems solved by technology

Due to the single operation mode of conventional vehicles, the method and logic of calculating fuel consumption are no longer suitable for the calculation of fuel consumption of hybrid vehicles under multiple modes

Method used

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  • Method for calculating, storing and displaying oil consumption of moderate hybrid electric vehicle
  • Method for calculating, storing and displaying oil consumption of moderate hybrid electric vehicle
  • Method for calculating, storing and displaying oil consumption of moderate hybrid electric vehicle

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Embodiment Construction

[0010] see figure 1 , the method of calculating, storing and displaying the fuel consumption of the moderate hybrid electric vehicle is to send the engine controller ECU to the CAN message data of the hybrid controller HCU: vehicle speed data and fuel consumption data, and then the HCU inputs the data to the integrated display screen of the DCU ;Through the calculation of the DCU, and store the calculation data in the DCU, and then display the numerical value on the integrated display screen of the DCU to inform the driver of the fuel consumption change in real time.

[0011] The calculation method of fuel consumption is: add up the bus fuel consumption and bus mileage sent by ECU respectively, and use the ratio of fuel consumption to mileage as the newly added fuel consumption per 100 kilometers. When the newly added fuel consumption per 100 kilometers exceeds the value A, the actual fuel consumption will be calculated Add A to the value on the original basis, otherwise the a...

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Abstract

The invention provides a method for calculating, storing and displaying the oil consumption of a moderate hybrid electric vehicle. The method comprises the following steps that: an engine control unit ECU transmits bus oil consumption data and bus mileage data to a hybrid control unit HCU through a bus; the hybrid control unit HCU transmits the data to a DCU integrated display screen; the DCU calculates the data and the calculated data is stored in the DCU; and the DCU integrated display screen displays the numeric values to inform a driver of the oil consumption variation in real time. The method makes the calculation of the oil consumption more realistic by using different calculation methods and decision logic aiming at different running modes of the vehicle and provides dramatic visual effect for the driver through the set calculation time and data display updating rate; and the calculation and storage of the oil consumption are realized through the calculation method.

Description

technical field [0001] The invention belongs to the technical application field of hybrid electric vehicles, and specifically relates to the calculation and realization method of fuel consumption of hybrid electric vehicles. Background technique [0002] The universal application of hybrid technology has brought good results to the energy saving and environmental protection of automobiles, which is a milestone in the history of automobile development. In the energy-saving link, it is necessary to record and calculate the fuel consumption, so that the driver can better grasp the fuel consumption level of the vehicle. Due to the single operation mode of conventional vehicles, the way and logic of calculating fuel consumption are no longer suitable for the calculation of fuel consumption of hybrid electric vehicles in multiple modes. The real-time calculation of fuel consumption, the calculation and display of accumulated fuel consumption can conveniently record the fuel consu...

Claims

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Application Information

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IPC IPC(8): G01F9/00
Inventor 李宗华张裕强苏岭严钦山
Owner CHONGQING CHANGAN AUTOMOBILE CO LTD
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