公开(公告)号：US09906052B2

公开(公告)日：2018-02-27

申请号：US14890132

申请日：2014-04-11

Applicant: FDK CORPORATION

Inventor： Takashi Kabasawa ,  Takuya Harada ,  Hiroshi Fukuda ,  Zenjirou Uchida ,  Masanori Yamashita

IPC: H02J7/00

CPC classification number: H02J7/0021 ,  H02J7/0022 ,  H02J7/0068 ,  H02J7/0072 ,  H02J7/0081 ,  H02J7/0091

Abstract: A power supply device includes a battery module in which batteries are connected in series; a negative electrode output terminal to which a negative electrode terminal of the battery module is connected; a positive electrode output terminal to which a positive electrode terminal of the battery module and a connection point between predetermined batteries are individually connected through discharging switches; an output voltage detecting circuit for detecting an output voltage; a charging current adjusting circuit for adjusting the charging current of the battery module; thermistors for detecting the state-of-charge of the battery module; and a control device for controlling the charge and discharge of the battery module, wherein the control device includes means for controlling the discharging switches, so that the output voltage is within a specific range, and means for controlling the charging current adjusting circuit on the basis of the state-of-charge of each battery of the battery module.

公开(公告)号：US10097036B2

公开(公告)日：2018-10-09

申请号：US15324263

申请日：2015-05-21

Applicant: FDK CORPORATION

Inventor： Takuya Harada ,  Takashi Kabasawa ,  Jinichi Sakamoto

IPC: H02J9/06 ,  H02J7/00

Abstract: An uninterruptible power source device 10 in the present invention includes: an input-output terminal 11 that is connected in parallel with a power source line 21 through which electric power is supplied from an external power source 20 to a loading device 30; a battery unit 12 whose rated voltage is lower than a voltage V1 of the external power source 20; a DC/DC converter 13 that converts a voltage V2 of the battery unit 12 into a voltage V3 equivalent to a difference between the voltage V1 of the external power source 20 and the voltage V2 of the battery unit 12; a charging circuit 14 that charges the battery unit 12 through the input-output terminal 11 with the electric power of the external power source 20; and a discharging circuit 15 that performs discharge to the loading device 30 through the input-output terminal 11 at a voltage resulting from adding an output voltage V3 of the DC/DC converter 13 to the voltage V2 of the battery unit 12, at the time of electric power interruption of the external power source 20.

公开(公告)号：US20170155276A1

公开(公告)日：2017-06-01

申请号：US15316457

申请日：2015-04-10

Applicant: FDK CORPORATION

Inventor： Takuya Harada ,  Takashi Kabasawa ,  Jinichi Sakamoto

IPC: H02J9/06 ,  H02J7/00

CPC classification number: H02J9/061 ,  H02J7/0068 ,  H02J7/0077 ,  H02J7/022 ,  H02M3/335 ,  H02M2001/0093

Abstract: An uninterruptible power supply unit includes: an input/output terminal connected in parallel with a power supply line which supplies power from an external power supply to a load device; a battery unit whose rated voltage is a voltage equal to a voltage of the external power supply; a DC/DC converter for converting the voltage of the external power supply into an output voltage corresponding to a difference between the rated voltage of the battery unit and the charging voltage of the battery unit; a charging circuit for charging the battery unit with a voltage equal to the voltage of the external power supply added with the output voltage of the DC/DC converter; and a discharging circuit that discharges power to the load device from the battery unit through the input/output terminal in the event that the external power supply is interrupted.

公开(公告)号：US10097035B2

公开(公告)日：2018-10-09

申请号：US15316457

申请日：2015-04-10

Applicant: FDK CORPORATION

Inventor： Takuya Harada ,  Takashi Kabasawa ,  Jinichi Sakamoto

IPC: H02J9/06 ,  H02J7/00

Abstract: An uninterruptible power supply unit includes: an input/output terminal connected in parallel with a power supply line which supplies power from an external power supply to a load device; a battery unit whose rated voltage is a voltage equal to a voltage of the external power supply; a DC/DC converter for converting the voltage of the external power supply into an output voltage corresponding to a difference between the rated voltage of the battery unit and the charging voltage of the battery unit; a charging circuit for charging the battery unit with a voltage equal to the voltage of the external power supply added with the output voltage of the DC/DC converter; and a discharging circuit that discharges power to the load device from the battery unit through the input/output terminal in the event that the external power supply is interrupted.

公开(公告)号：US20160105045A1

公开(公告)日：2016-04-14

申请号：US14890132

申请日：2014-04-11

Applicant: FDK CORPORATION

Inventor： Takashi Kabasawa ,  Takuya Harada ,  Hiroshi Fukuda ,  Zenjirou Uchida ,  Masanori Yamashita

IPC: H02J7/00

CPC classification number: H02J7/0021 ,  H02J7/0022 ,  H02J7/0068 ,  H02J7/0072 ,  H02J7/0081 ,  H02J7/0091

Abstract: A power supply device includes a battery module in which batteries are connected in series; a negative electrode output terminal to which a negative electrode terminal of the battery module is connected; a positive electrode output terminal to which a positive electrode terminal of the battery module and a connection point between predetermined batteries are individually connected through discharging switches; an output voltage detecting circuit for detecting an output voltage; a charging current adjusting circuit for adjusting the charging current of the battery module; thermistors for detecting the state-of-charge of the battery module; and a control device for controlling the charge and discharge of the battery module, wherein the control device includes means for controlling the discharging switches, so that the output voltage is within a specific range, and means for controlling the charging current adjusting circuit on the basis of the state-of-charge of each battery of the battery module.

Abstract translation: 电源装置包括其中电池串联连接的电池模块; 连接有电池模块的负极端子的负极输出端子; 电池模块的正极端子和预定电池之间的连接点通过放电开关分别连接到的正极输出端子; 用于检测输出电压的输出电压检测电路; 充电电流调节电路，用于调节电池模块的充电电流; 用于检测电池模块的充电状态的热敏电阻; 以及用于控制电池模块的充电和放电的控制装置，其中控制装置包括用于控制放电开关的装置，使得输出电压在特定范围内，以及用于基于该控制装置控制充电电流调节电路的装置 的电池模块的每个电池的充电状态。

公开(公告)号：US20170187234A1

公开(公告)日：2017-06-29

申请号：US15324263

申请日：2015-05-21

Applicant: FDK CORPORATION

Inventor： Takuya Harada ,  Takashi Kabasawa ,  Jinichi Sakamoto

IPC: H02J9/06 ,  H02J7/00

CPC classification number: H02J9/061 ,  H02J7/0065 ,  H02J7/0068

Abstract: An uninterruptible power source device 10 in the present invention includes: an input-output terminal 11 that is connected in parallel with a power source line 21 through which electric power is supplied from an external power source 20 to a loading device 30; a battery unit 12 whose rated voltage is lower than a voltage V1 of the external power source 20; a DC/DC converter 13 that converts a voltage V2 of the battery unit 12 into a voltage V3 equivalent to a difference between the voltage V1 of the external power source 20 and the voltage V2 of the battery unit 12; a charging circuit 14 that charges the battery unit 12 through the input-output terminal 11 with the electric power of the external power source 20; and a discharging circuit 15 that performs discharge to the loading device 30 through the input-output terminal 11 at a voltage resulting from adding an output voltage V3 of the DC/DC converter 13 to the voltage V2 of the battery unit 12, at the time of electric power interruption of the external power source 20.