Method, device and system for starting engine, and equipment
An engine starting and engine technology, which is applied in the direction of engine starting, engine motor starting, mechanical equipment, etc., can solve problems such as affecting the user's driving experience, difficulty in starting the engine, and inability to start.
Active Publication Date: 2020-05-08
WEICHAI POWER CO LTD
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Problems solved by technology
However, when the time of the position of the interference signal exceeds the preset time, but is still at the start time, that is, there is still an interference signal in the crankshaft signal after the preset time, thus causing difficulty in starting the engine, or even failure. The startup problem seriously affects the user's driving experience
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[0052] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.
[0053] It should be noted that concepts such as "first" and "second" mentioned in this application are only used to distinguish different devices, modules or units, and are not used to limit the sequence of functions performed by these devices, modules or units or interdependence, and the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes no...
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The invention provides a method, device and system for starting an engine, and equipment. The method includes the following steps: collecting a crankshaft signal, wherein the crankshaft signal is continuously collected during the process of starting the engine; then judging whether the duration time of the crankshaft signal is greater than a preset duration time; if the duration time of the crankshaft signal is judged to be greater than the preset duration time, acquiring the number of gear signals of crankshaft gears, wherein the initial acquisition moment of the number of the gear signals ofthe crankshaft gears is the moment when the preset duration time is reached; then judging whether the number of the gear signals of the crankshaft gears is larger than a preset number of the gear signals of the crankshaft gears; and finally controlling the engine to start if it is judged that the number of the gear signals of the crankshaft gears is larger than the preset number of the gear signals of the crankshaft gears. According to the method, the interference signals caused by meshing of the crankshaft gears can be effectively filtered out, so that the engine can be started normally.
Description
technical field [0001] The present application relates to the technical field of engines, in particular to a method, device, system and equipment for starting an engine. Background technique [0002] The crankshaft is the most important part of the engine. It bears the force transmitted by the connecting rod, converts it into torque and outputs it through the crankshaft and drives other accessories on the engine to work. [0003] However, in the process of starting the engine, due to the meshing of the crankshaft gear, it is easy to generate interference signals. In the prior art, by setting a preset time, after the engine receives the start command, the engine is delayed for the preset time to avoid interference signals, and then the engine is started. However, when the time of the position of the interference signal exceeds the preset time, but is still at the start time, that is, there is still an interference signal in the crankshaft signal after the preset time, thus c...
Claims
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Login to View More IPC IPC(8): F02N11/08F02D29/02
CPCF02N11/08F02D29/02
Inventor 秦鹏孙潇卫文晋覃艳丛聪
Owner WEICHAI POWER CO LTD