Title:
EXTENDED-RANGE HYBRID POWER SYSTEM AND CONTROL METHOD THEREFOR, AND CRANE
Document Type and Number:
WIPO Patent Application WO/2024/021460
Kind Code:
A1
Abstract:
The present invention relates to the technical field of engineering machinery. Disclosed are an extended-range hybrid power system and a control method therefor, and a crane. The extended-range hybrid power system comprises a power battery, an all-in-one controller, a first electric motor, a second electric motor and an engine, wherein the first electric motor is connected to a lower-part driving mechanism; the engine is connected to the second electric motor, and the second electric motor is connected to an upper-part operation mechanism; and the power battery, the first electric motor and the second electric motor are all connected to the all-in-one controller, and the all-in-one controller is connected to an external power source. In the present invention, an upper-part operation may be carried out in one of a plug-in operating mode, a pure electric operating mode, a pure fuel operating mode and a hybrid operating mode, and lower-part driving may be carried out in a pure electric driving mode or an extended-range driving mode, which is conducive to improving the engine operating efficiency, reducing fuel consumption and exhaust emissions, and achieving good environmental protection performance.
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Inventors:
SHAN ZENGHAI (CN)
ZHAO JIANGUO (CN)
LIU JIANLI (CN)
WANG WENQING (CN)
ZHAO JIANGUO (CN)
LIU JIANLI (CN)
WANG WENQING (CN)
Application Number:
PCT/CN2022/140914
Publication Date:
February 01, 2024
Filing Date:
December 22, 2022
Export Citation:
Assignee:
XUZHOU HEAVY MACHINERY CO LTD (CN)
International Classes:
B60K6/46
Foreign References:
| CN115179750A | 2022-10-14 | |||
| CN215793204U | 2022-02-11 | |||
| CN103003187A | 2013-03-27 | |||
| CN106458208A | 2017-02-22 | |||
| CN108532519A | 2018-09-14 | |||
| JP2020068567A | 2020-04-30 |
Attorney, Agent or Firm:
NANJING ZONGHENG INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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