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Title:
HYBRID VEHICLE AND POWER GENERATION CONTROL METHOD AND DEVICE THEREOF
Document Type and Number:
WIPO Patent Application WO/2019/062880
Kind Code:
A1
Abstract:
Disclosed is an power generation control method of a hybrid vehicle, the hybrid vehicle comprising an engine (1), a traction motor (2), a traction battery (3), a DC-DC converter (4), and a secondary motor (5) connected to the engine (1), the power generation control method comprising the following steps: acquiring a current electric quantity of the traction battery (3), acquiring a current gear of the hybrid vehicle, and acquiring a current speed of the hybrid vehicle; and controlling the secondary motor (5) in accordance with the current electric quantity, the current gear and the current speed, such that the secondary motor enters a corresponding power generation mode, wherein the power generation mode of the secondary motor (5) includes an in situ power generation mode, an in situ accelerator-depression power generation mode, a series power generation mode, and a series-parallel power generation mode. The method can reduce the noise and vibration of the hybrid vehicle during power generation and improve the smoothness of the entire vehicle, and can also improve the power generation efficiency and reduce the energy consumption of the entire vehicle. Further disclosed are a hybrid vehicle and a power generation control system.

Inventors:
WANG CHUNSHENG (CN)
XU BOLIANG (CN)
XIONG WEI (CN)
LUO YONGGUAN (CN)
Application Number:
PCT/CN2018/108538
Publication Date:
April 04, 2019
Filing Date:
September 29, 2018
Export Citation:
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Assignee:
BYD CO LTD (CN)
International Classes:
B60W20/00; B60K6/26
Foreign References:
CN1843796A2006-10-11
CN207523430U2018-06-22
CN206983710U2018-02-09
EP0744314B12000-09-20
JP2000032610A2000-01-28
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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