Calibration method, device and equipment for cold start of engine and computer storage medium
A calibration method and engine technology, applied in the direction of engine testing, measuring devices, machine/structural component testing, etc., can solve the problems of low accuracy of calibration data and mismatching of calibration data, and achieve the effect of improving accuracy
Pending Publication Date: 2022-02-25
ZHEJIANG GEELY HOLDING (GROUP) CO LTD +1
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Problems solved by technology
However, the starting resistance of the engine alone and the starting resistance of the engine in the vehicle are often inconsistent, resulting in a mismatch between the calibration data and the actual use, and the accuracy of the calibration data is low
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[0042] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0043] The embodiment of the present invention provides a solution, by detecting the resistance error when the engine is installed in the vehicle or when it is not installed in the vehicle, and loading the engine according to the resistance error during calibration, so that the starting resistance of the engine during calibration is the same as that of the engine The starting resistance in actual use is consistent, which improves the accuracy of calibration data.
[0044] refer to figure 1 , in one embodiment, the calibration method of engine cold start comprises the following steps:
[0045] Step S10, obtaining the first starting resistance when the engine is installed in the vehicle, and obtaining the second starting resistance when the engine is not installed in the vehicle;
[0046] In this embodiment, due to th...
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The invention discloses an engine cold start calibration method, device and equipment and a computer storage medium. The method comprises the steps that first starting resistance generated when an engine is installed in a vehicle is obtained, and second starting resistance generated when the engine is not installed in the vehicle is obtained; a resistance difference value between the first starting resistance and the second starting resistance is obtained; when the engine is not installed in the vehicle, the resistance corresponding to the resistance difference value is used for loading the engine; the engine is started to determine calibration data for the engine. According to the invention, by detecting the resistance error when the engine is installed in the vehicle and when the engine is not installed in the vehicle and loading the engine according to the resistance error during calibration, the starting resistance during engine calibration is consistent with the starting resistance during actual use of the engine, and the accuracy of calibration data is improved.
Description
technical field [0001] The invention relates to the technical field of cold start, in particular to a calibration method, device, equipment and computer storage medium for engine cold start. Background technique [0002] In winter when the temperature is low, especially at minus 10 to 30°C, methanol fuel cannot form a good fuel mixture, which will greatly reduce engine efficiency. Moreover, under the influence of low temperature, methanol fuel is easily adsorbed on the airway wall, and the viscosity of the gearbox oil will also increase, and the rotational resistance will also increase, making it difficult to start the engine, and eventually leading to an increase in the probability of vehicle start failure. Therefore, it is necessary to calibrate the cold start of the vehicle to reduce the failure of the cold start of the vehicle. [0003] At present, the environment in the alpine region is generally simulated through the environmental chamber, and the engine is calibrated...
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IPC IPC(8): G01M15/00
CPCG01M15/00
Inventor 运伟国孟浩尚卫叶连生
Owner ZHEJIANG GEELY HOLDING (GROUP) CO LTD