Title:
MIXING DRUM ROTATION SPEED CONTROL METHOD AND APPARATUS, AND MIXER TRUCK
Document Type and Number:
WIPO Patent Application WO/2023/024750
Kind Code:
A1
Abstract:
The present application provides a mixing drum rotation speed control method and apparatus, and a mixer truck. The method comprises: obtaining a power obtaining switch state and a key switch state of a mixer truck; if the power obtaining switch is switched off and the key switch is switched on, performing deceleration control on a mixing drum driving motor, and obtaining the current rotation speed of the mixing drum driving motor; and if the current rotation speed of the mixing drum driving motor is less than a first rotation speed set value, continuously using zero rotation speed control for the mixing drum driving motor. According to the method, apparatus, and mixer truck provided in the present application, unloading due to instantaneous reverse rotation caused by inertia would not occur, the reverse rotation impact force is avoided to the maximum extent, discomfort in driving is relieved, and driving experience of the driver is improved.
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Inventors:
LONG CHENGBING (CN)
WEN MING (CN)
RONG HANG (CN)
WEN MING (CN)
RONG HANG (CN)
Application Number:
PCT/CN2022/105877
Publication Date:
March 02, 2023
Filing Date:
July 15, 2022
Export Citation:
Assignee:
SANY AUTOMOBILE MFG CO LTD (CN)
International Classes:
B28C5/42
Foreign References:
| CN113787618A | 2021-12-14 | |||
| CN112549312A | 2021-03-26 | |||
| CN112848919A | 2021-05-28 | |||
| CN110864107A | 2020-03-06 | |||
| CN113183742A | 2021-07-30 | |||
| CN112060342A | 2020-12-11 | |||
| JP2015193289A | 2015-11-05 | |||
| US20200316816A1 | 2020-10-08 |
Attorney, Agent or Firm:
CN-KNOWHOW INTELLECTUAL PROPERTY AGENT LIMITED (CN)
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