Range increasing device of electric vehicle and regulating and controlling method thereof
A technology of electric vehicles and range extenders, which is applied in the direction of electric vehicles, motor vehicles, hybrid vehicles, etc., can solve the problems of unsatisfactory fuel economy, incomplete application, and difficulty in engine selection and matching, so as to improve fuel economy performance, continuous and reliable power transmission, and improved fuel economy
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[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention:
[0027] like figure 1 As shown, a range-extending device for an electric vehicle includes an engine 1 and a generator 4, and the engine 1 and the generator 4 are connected through a continuously variable transmission 3. Specifically, the continuously variable transmission 3 includes driving wheels 31 and The driven wheel 32 realizes the stepless change of the speed ratio through the driving wheel 31, the driven wheel 32 and the metal belt 33 connecting the two, and the engine 1 is connected with the driving wheel 31 of the continuously variable transmission through the elastic coupling 2; The driven wheel 32 of the speed changer is spline-connected with the generator 4; the engine controller 5, the generator controller 8 and the transmission controller 7 are resp...
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