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Title:
SERIES-PARALLEL HYBRID POWER SYSTEM AND VEHICLE OPERATING MODE DECISION-MAKING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/153850
Kind Code:
A1
Abstract:
A series-parallel hybrid power system and a vehicle operating mode decision-making method, said series-parallel hybrid power system comprising a traditional power device (1) and a motor driving device (2), the traditional power device (1) and the motor driving device (2) being able to be respectively coupled to a drive shaft (21) of a vehicle so as to drive wheels (22) to rotate, the traditional power device (1) comprising a first engine (11); the hybrid power system further comprising: a power battery device (3) configured to store electric power and supply electric power to the motor driving device (2) and/or other vehicle electric loads; and a vehicle-mounted electric power generation device (4), comprising a second engine (41) and an electric power generator (42), the second engine (41) being configured to drive the electric power generator (42) to generate electric power, such that electric power can be supplied to any of the motor driving device (2), the power battery device (3), and other vehicle electric loads or combination thereof. The series-parallel hybrid power system has a relatively simple mechanical structure, and can solve the problems of range anxiety, low conversion efficiency under high-speed operating conditions, and complicated automobile system, etc.

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Inventors:
LI SHUFU (CN)
CAI WENYUAN (CN)
HU HONGXING (CN)
WEI JIANLIN (CN)
LIN YUANZE (CN)
Application Number:
PCT/CN2018/118270
Publication Date:
August 15, 2019
Filing Date:
November 29, 2018
Export Citation:
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Assignee:
GEELY HOLDING GROUP CO LTD (CN)
ZHEJIANG GEELY NEW ENERGY COMMERCIAL VEHICLES CO LTD (CN)
International Classes:
B60K6/44; B60W10/06; B60W10/08; B60W20/20
Domestic Patent References:
WO2003064202A12003-08-07
Foreign References:
CN108382186A2018-08-10
CN106218391A2016-12-14
CN104228823A2014-12-24
CN102556055A2012-07-11
CN202806334U2013-03-20
CN1439545A2003-09-03
US20050133284A12005-06-23
Other References:
See also references of EP 3736153A4
Attorney, Agent or Firm:
WISEAST INTELLECTUAL PROPERTY LAW FIRM (CN)
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