Method and device for oil consumption measurement and calculation based on data of vehicle-mounted diagnostic system

An on-board diagnostic system and data technology, applied in measurement devices, relative volume flow measurement, liquid/fluid solid measurement, etc., can solve problems such as limited effect

Active Publication Date: 2016-08-31
UNITED ELECTRONICS
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Problems solved by technology

[0003] Existing OBD generally can only provide users with simple vehicle condition data such as odometer mileage, remaining fuel, vehicl

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  • Method and device for oil consumption measurement and calculation based on data of vehicle-mounted diagnostic system
  • Method and device for oil consumption measurement and calculation based on data of vehicle-mounted diagnostic system
  • Method and device for oil consumption measurement and calculation based on data of vehicle-mounted diagnostic system

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Embodiment Construction

[0107] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0108] An embodiment of the present invention provides a fuel consumption calculation method based on on-board diagnostic system data, comprising the following steps:

[0109] Continuously collect OBD data at preset time intervals, and record the time points of collecting OBD data as several collection time points;

[0110] According to the average remaining oil quantity difference before and after each said collection time point, determine several refueling time periods; determine the collection time point with the largest oil quantity increment in each said refueling time period as several refueling time points; According to several refueling time points, all the OBD data collected are divided into several oil consumpti...

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Abstract

The invention discloses a method and device for oil consumption measurement and calculation based on data of a vehicle-mounted diagnostic system. The method comprises the steps that OBD data is connected continuously at preset time intervals, and time points for collection of the OBD data are recorded as multiple collection time points; multiple refueling periods and multiple refueling time points are determined, and multiple segments of invalid data are determined; a remained oil changing tendency of each oil use period is calculated, and calculation results are used correspondingly to substitute the invalid data; a remained oil changing tendency of each travelling period is calculated; each traveling period is spliced and optimized, and an optimized remained oil quantity at the random collection time point in each travelling period is further obtained; and instant oil consumption, accumulated oil consumption, a refueling quantity and oil consumption statistics are calculated according to the optimized remained oil quantities, and the calculation results are displayed to a user. The method and device disclosed by the invention have the advantages that more accurate and practical oil consumption data can be provided to the user; and the user can be helped to improve driving habits, and further the fuel cost can be reduced.

Description

technical field [0001] The invention relates to the technical field of vehicle data processing, in particular to a method and device for calculating fuel consumption based on data from an on-board diagnostic system. Background technique [0002] OBD is an abbreviation of a proper noun, its full name is On Board Diagnostics, and Chinese means: on-board diagnostic system. This system can monitor the working conditions of the engine electronic control system and other functional modules of the vehicle in real time during the operation of the vehicle. If any abnormal working conditions are found, the specific fault will be judged according to a specific algorithm, and the diagnosis will be made in the form of a fault code. Stored on memory within the system. The useful information obtained after the self-diagnosis of the system can provide assistance for the repair and maintenance of the vehicle. The maintenance personnel can use the special instrument of the original automobil...

Claims

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Application Information

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IPC IPC(8): G01F9/00
CPCG01F9/001
Inventor 何秋果李旭耿文童
Owner UNITED ELECTRONICS
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