公开(公告)号：US10173543B2

公开(公告)日：2019-01-08

申请号：US14900732

申请日：2014-06-30

Applicant: BYD COMPANY LIMITED

Inventor： Guangming Yang ,  Min Hu

IPC: H02J7/00 ,  B60L11/18 ,  B60L1/00 ,  B60L1/02 ,  B60L1/14 ,  B60L15/00 ,  B60L15/02

Abstract: A charging system for an electric vehicle and a method for controlling charging of an electric vehicle are provided. The charging system comprises: a power battery (10); a charge-discharge socket (20); an external power supply device (1002); a charging connection device (1001); and an energy control device (1003), comprising: a three-level bidirectional DC-AC module (30); a charge-discharge control module (50); and a control module (60) configured to control the charge-discharge control module (50) according to a current working mode of the electric vehicle. The energy control device (1003) and the external power supply device (1002) communicate by transmitting a modulated PWM signal to each other via the charging connection device (1001), and the control module (60) controls the three-level bidirectional DC-AC module (30) and the charge-discharge control module (50) to charge the power battery (10) by the external power supply device (1002).

公开(公告)号：US09862287B2

公开(公告)日：2018-01-09

申请号：US14901516

申请日：2014-06-30

Applicant: BYD COMPANY LIMITED

Inventor： Xiaohua Tang ,  Guangming Yang ,  Xinxin Zhang ,  Zhiyong Du ,  Min Hu ,  Yilong Yu ,  Jian Liu ,  Zheqing Tang ,  Fu Tang

IPC: B60L11/18 ,  H02J3/32 ,  H02J7/02 ,  B60L1/00 ,  B60L15/00 ,  B60L15/02 ,  H02M7/487 ,  H04L12/10

CPC classification number: B60L11/185 ,  B60L1/006 ,  B60L11/1803 ,  B60L11/1811 ,  B60L11/1812 ,  B60L11/1816 ,  B60L11/1818 ,  B60L11/1838 ,  B60L15/007 ,  B60L15/02 ,  B60L2210/30 ,  B60L2210/40 ,  H02J3/32 ,  H02J5/00 ,  H02J7/02 ,  H02J7/022 ,  H02M7/487 ,  H04L12/10 ,  Y02E60/721 ,  Y02T10/7005 ,  Y02T10/7072 ,  Y02T10/7241 ,  Y02T10/7258 ,  Y02T90/121 ,  Y02T90/127 ,  Y02T90/128 ,  Y02T90/14 ,  Y02T90/163 ,  Y04S10/126

Abstract: A power system for an electric vehicle, an electric vehicle and a motor controller for an electric vehicle are provided. The power system includes: a power battery (10); a charge-discharge socket (20); a three-level bidirectional DC-AC module (30); a motor control switch (40); a charge-discharge control module (50) having a first terminal connected with an AC terminal of the three-level bidirectional DC-AC module (30) and a second terminal connected with the charge-discharge socket (20); and a control module (60) connected with a third terminal of the charge-discharge control module (50) and a third terminal of the motor control switch (40), and configured to control the charge-discharge control module (50) and the motor control switch (40) according to a current working mode of the power system.

公开(公告)号：US09845021B2

公开(公告)日：2017-12-19

申请号：US14900927

申请日：2014-06-30

Applicant: BYD COMPANY LIMITED

Inventor： Guangming Yang ,  Min Hu

IPC: B60L11/18 ,  B60L1/00 ,  B60L1/02 ,  B60L1/14 ,  B60L15/00 ,  B60L3/00 ,  H02J3/32 ,  H02J7/00 ,  H02J7/02

CPC classification number: B60L11/1838 ,  B60L1/003 ,  B60L1/006 ,  B60L1/02 ,  B60L1/14 ,  B60L3/00 ,  B60L11/1803 ,  B60L11/1814 ,  B60L11/1816 ,  B60L11/1818 ,  B60L11/1846 ,  B60L15/007 ,  B60L2220/54 ,  B60L2220/56 ,  B60L2240/34 ,  B60L2250/16 ,  H02J3/32 ,  H02J7/0036 ,  H02J7/0072 ,  H02J7/022 ,  Y02E60/721 ,  Y02T10/641 ,  Y02T10/645 ,  Y02T10/7005 ,  Y02T10/7072 ,  Y02T90/121 ,  Y02T90/127 ,  Y02T90/128 ,  Y02T90/14 ,  Y02T90/163 ,  Y02T90/169 ,  Y04S10/126 ,  Y04S30/14

Abstract: An on-vehicle power supply system and an electric vehicle are provided. The on-vehicle power supply system includes: a power battery (10); a charge-discharge socket (20) connected with an external load (1001); a three-level bidirectional DC-AC module (30) having a first DC terminal connected with a first terminal of the power battery (10) and a second DC terminal connected with a second terminal of the power battery (10); a charge-discharge control module (50) having a first terminal connected with an AC terminal of the three-level bidirectional DC-AC module (30) and a second terminal connected with the charge-discharge socket (20); and a control module (60) connected with the charge-discharge control module (50) and the three-level bidirectional DC-AC module (30), and configured to control the three-level bidirectional DC-AC module (30) to convert a DC voltage of the power battery (10) into an AC voltage.

公开(公告)号：US10059210B2

公开(公告)日：2018-08-28

申请号：US14900299

申请日：2014-06-30

Applicant: BYD COMPANY LIMITED

Inventor： Guangming Yang ,  Min Hu

IPC: H02J7/00 ,  B60L11/18 ,  B60L1/00 ,  B60L1/02 ,  B60L1/14 ,  B60L15/00 ,  B60L15/02 ,  H02M1/44 ,  H02M7/537

CPC classification number: B60L11/1818 ,  B60L1/003 ,  B60L1/02 ,  B60L1/14 ,  B60L15/007 ,  B60L15/025 ,  B60L50/51 ,  B60L53/11 ,  B60L53/14 ,  B60L53/16 ,  B60L53/22 ,  B60L53/24 ,  B60L53/65 ,  B60L2210/40 ,  B60L2220/54 ,  B60L2220/56 ,  B60L2240/34 ,  B60L2250/16 ,  H02J7/0054 ,  H02M1/44 ,  H02M7/537 ,  Y02T10/641 ,  Y02T10/643 ,  Y02T10/7005 ,  Y02T10/7072 ,  Y02T10/92 ,  Y02T90/121 ,  Y02T90/127 ,  Y02T90/128 ,  Y02T90/14 ,  Y02T90/163 ,  Y02T90/169 ,  Y04S30/14

Abstract: A vehicle mutual-charging system and a charging connector are provided. The system includes: a first electric vehicle (1002) and a second electric vehicle (1003), each of the first electric vehicle (1002) and the second electric vehicle (1003) including a power battery (10), a battery manager (103), an energy control device (1005) and a charge-discharge socket (20), in which the energy control device (1005) includes: a three-level bidirectional DC-AC module (30), a charge-discharge control module (50), a control module (60); and a charging connector (1004) connected between the first electric vehicle (1002) and the second electric vehicle (1003) and including a first charging gun adaptor connected with the charge-discharge socket (20) of the first electric vehicle and a second charging gun adaptor connected with the charge-discharge socket (20) of the second electric vehicle at both ends thereof respectively.