Title:
ELECTRIC AUTOMOBILE, ON-BOARD CHARGER THEREOF, AND ON-BOARD CHARGER CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2017/101832
Kind Code:
A1
Abstract:
An electric automobile, an on-board charger thereof, and an on-board charger control method. The control method comprises: when a power battery is charging, obtaining a first charging setting time Tx for controlling an H bridge via a first mode and a second charging setting time Ty for controlling the H bridge via a second mode (S1); performing alternating control on the H bridge according to Tx and Ty in order to perform temperature equalisation control on first to fourth switches (S2); when the power battery is discharging externally, obtaining a first total discharging time TC for controlling the H bridge via the first mode and a second total discharging time TD for controlling the H bridge via the second mode, and obtaining a first discharging setting time Tm and a second discharging setting time Tn within each discharging cycle (S3); according to a relationship between TC and TD, selecting a mode to control the H bridge when the external discharging starts, and performing alternating control on the H bridge according to Tm and Tn in order to perform temperature equalisation control on the first to fourth switches (S4).
Inventors:
WANG XINGHUI (CN)
Application Number:
PCT/CN2016/110264
Publication Date:
June 22, 2017
Filing Date:
December 16, 2016
Export Citation:
Assignee:
BYD CO LTD (CN)
International Classes:
B60L11/18; H02J7/02
Foreign References:
| CN104600998A | 2015-05-06 | |||
| CN102611348A | 2012-07-25 | |||
| CN103973147A | 2014-08-06 | |||
| CN104953876A | 2015-09-30 | |||
| CN103956927A | 2014-07-30 | |||
| US20090207639A1 | 2009-08-20 |
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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