Automobile engine starting method and system, storage medium and automobile
A technology for engine starting and engine, which is applied in the direction of engine starting, engine motor starting, engine components, etc. It can solve the problems of low starting success rate, high power consumption, and failure to start, etc., and achieve the effect of shortening working time
Inactive Publication Date: 2021-01-12
BYD CO LTD +1
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Problems solved by technology
[0006] BSG motor technology uses the electric energy of the battery to achieve starting, but because the advanced battery technology cannot solve the serious power supply problem of the battery at low temperature, on the one hand, it may cause failure to start, or the success rate of starting is low due to belt slippage, on the other hand, in low temperature environment Starting the engine only through the BSG motor will also cause a large power consumption problem
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[0025] Embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary, and are only for explaining the present application, and should not be construed as limiting the present application.
[0026] like figure 1 As shown, the engine starting mode of the automobile 1000 according to one embodiment of the present application includes the following steps:
[0027] Step S100, acquiring power information of the power supply.
[0028] It can be understood that, when the engine needs to be started, the start switch 3 is turned on, and the electric quantity information of the power supply is obtained first. The BSG motor 1 consumes a lot of power when it is working. If the power of the power supply is insufficient, it...
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The invention discloses an automobile engine starting method and system, a storage medium and an automobile. The automobile engine starting method comprises the steps that electric quantity information of a power source is obtained; if the electric quantity of the power source is larger than a target electric quantity, a starter is started to drive an engine; when a rotating speed of the engine reaches a first target rotating speed, the starter is stopped, and a BSG motor is started to drive the engine; and when the rotating speed of the engine reaches a second target rotating speed, the BSG motor is stopped after the target time. According to the method, the service life of the starter and the starting speed of the engine are both considered, the work time of the starter can be effectively shortened, the service life of the starter is long, and the starting time of the engine is short.
Description
technical field [0001] The present application belongs to the technical field of vehicle manufacturing, and in particular relates to an automobile engine starting method, an automobile engine starting system, an automobile and a storage medium. Background technique [0002] The starting time of the engine of a car varies greatly at different temperatures. According to the temperature characteristics of the engine, the difficulty of starting the engine in a low temperature environment is basically a problem for every car. The most widely used car starting methods include the following two methods: [0003] 1) Start the engine by driving the starter. [0004] The ambient temperature has a great influence on the starting time of the engine driven by the starter. Using the starter to start the engine in a low-temperature environment will require the starter to drag for a long time due to the excessive resistance of the engine at low temperature, and the engine will be driven by...
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IPC IPC(8): F02N11/08
CPCF02N11/006F02N11/0803
Inventor 徐建栋王睿臧奥
Owner BYD CO LTD