Title:
SERIAL-PARALLEL EXCITATION DC MOTOR DRIVING DEVICE AND APPARATUS
Document Type and Number:
WIPO Patent Application WO/2020/135676
Kind Code:
A1
Abstract:
Provided is a serial-parallel excitation DC motor driving device (100), comprising: a serial-parallel excitation DC motor (10); a DC power supply (30); and chopper (20), wherein, the chopper (20) has m chopper units (21), the control signal comprises m unit control signals corresponding to m chopper units (21) respectively and formed according to a predetermined phase shift rule, each unit control signal comprises w switch control signals corresponding to the w switch control terminals in the corresponding chopper unit (21), m first power output terminals (2211) of all the chopper units (21) and m second power output terminals (2212) of all the chopper units (21) correspondingly form m pairs of power output terminals (221) respectively, the m pairs of external connection terminals (151) of the series-parallel excitation DC motor (10) are connected in one-to-one correspondence with the m pairs of power output terminals (221), m is a positive integer not less than 2, and w is 1, 2, or 4.
Inventors:
LI SHAOLONG (CN)
JIN AIJUAN (CN)
JIN AIJUAN (CN)
Application Number:
PCT/CN2019/129022
Publication Date:
July 02, 2020
Filing Date:
December 27, 2019
Export Citation:
Assignee:
UNIV OF SHANGHAI FOR SCIENCE AND TECHNOLOGY (CN)
International Classes:
H02P7/298
Foreign References:
| CN106602947A | 2017-04-26 | |||
| CN106849782A | 2017-06-13 | |||
| CN107086831A | 2017-08-22 | |||
| CN204886620U | 2015-12-16 | |||
| CN101630875A | 2010-01-20 | |||
| CN102545508A | 2012-07-04 | |||
| DE10202259A1 | 2003-08-14 |
Attorney, Agent or Firm:
SHANGHAI BANGDE PATENT AGENCY (CN)
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