ELECTRIC VEHICLE DYNAMIC COUPLING SYSTEM, ELECTRIC VEHICLE HAVING SAME, AND CONTROL METHOD THEREFOR

WIPO Patent Application WO/2018/068683

A1

Disclosed are an electric vehicle dynamic coupling system, an electric vehicle having same, and a control method therefor. The electric vehicle dynamic coupling system comprises: a planet gear drive mechanism comprising a sun gear (2), a planet gear (3), a planet carrier (6) and a gear ring (5), wherein the planet carrier (6) is connected to the planet gear (3), and the planet gear (3) meshes with the sun gear (2) and the gear ring (5), respectively; a clutch (4) controlled so as to be engaged with or disengaged from the gear ring (5); a main reduction gear set connected to an output shaft (21) of the planet carrier; a differential (15) connected to an output shaft (18) of the main reduction gear set; a first electric motor (1) driving an input shaft of the sun gear (2) of the planet gear drive mechanism; and a second electric motor (12) controlled so as to drive the gear ring (5) or the output shaft (21) of the planet carrier. The electric vehicle dynamic coupling system can use different working modes in different working conditions, thus meeting different requirements for motor power or rotational speed, etc., and improving the applicability of the electric vehicle.

XU WENKE (CN)
CHEN CHANGHONG (CN)
HE BIN (CN)

PCT/CN2017/105251

April 19, 2018

October 04, 2017

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NIO NEXTEV LTD (CN)

B60K1/02; B60K17/04; B60K17/08; F16H3/72

CN106808988A	2017-06-09
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CN105751881A	2016-07-13
US20060247086A1	2006-11-02
JP2005291477A	2005-10-20
CN102555791A	2012-07-11
CN202463569U	2012-10-03

CHINA PATENT AGENT (HK) LTD. (CN)

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