Power storage device and control method thereof

• US 10,167,048 B2
• Filed: 03/22/2016
• Issued: 01/01/2019
• Est. Priority Date: 02/18/2014
• Status: Active Grant

• Current Assignee: Panasonic Intellectual Property Management Co., Ltd. (Panasonic Holdings Corporation)
• Original Assignee: Panasonic Intellectual Property Management Co., Ltd. (Panasonic Holdings Corporation)
• Inventors: Toya, Shoichi
• Primary Examiner(s): Ebner, Katy M
• Application Number:
  US15/076,652
• Publication Number:
  US 20160200394A1
• Time in Patent Office: 1,015 Days
• Field of Search: None
• CPC Class Codes: B60L 15/08 using pulses
• CPC Class Codes: B60L 2200/12 Bikes
• CPC Class Codes: B60L 2240/622 by satellite navigation
• CPC Class Codes: B60L 2240/68 Traffic data
• CPC Class Codes: B60L 2240/70 Interactions with external data bases, e.g. traffic centres
• CPC Class Codes: B60L 2250/16 by display
• CPC Class Codes: B60L 2250/26 by pedal actuation
• CPC Class Codes: B60L 2260/54 Energy consumption estimation
• CPC Class Codes: B60L 50/20 using propulsion power generated by humans or animals
• CPC Class Codes: B62M 6/45 Control or actuating devices therefor
• CPC Class Codes: B62M 6/90 Batteries
• CPC Class Codes: G05D 1/0022 characterised by the communication link data switching networks in general H04L12/00
• CPC Class Codes: H01M 10/4257 Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
• CPC Class Codes: Y02E 60/10 Energy storage using batteries
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/72 Electric energy management in electromobility
• CPC Class Codes: Y02T 90/16 Information or communication technologies improving the operation of electric vehicles

Abstract

A power storage device includes a storage battery, a mounting unit that detachably mounts the power storage device on a motor-driven moving object, an output controller that controls output of driving power from the storage battery to the motor-driven moving object, and a controller that, when the motor-driven moving object is within a particular area, causes the output controller to reduce the driving power supplied from the power storage device to the motor-driven moving object compared to the driving power when the motor-driven moving object is outside the particular area.

Claims

1. A power storage device comprising:

a storage battery;

a mount that detachably mounts the power storage device on a motor-driven moving object having a motor;

an output controller that controls output of driving power from the storage battery to the motor; and

a controller programmed to, when the motor-driven moving object is within a particular area, cause the output controller to reduce the driving power supplied from the power storage device to the motor, compared to the driving power when the motor-driven moving object is outside the particular area,

wherein the output controller and the controller are provided in the power storage device.

2. The power storage device according to claim 1, wherein the driving power is a direct current.

3. The power storage device according to claim 1, wherein

the output controller comprises a switch that turns on or off the supply of the driving power from the power storage device to the motor, and

the controller is programmed to cause the output controller to reduce the driving power using the switch.

4. The power storage device according to claim 1, wherein the controller is programmed to cause the output controller to intermittently reduce the driving power supplied from the power storage device to the motor.

5. The power storage device according to claim 1, wherein the controller is programmed to cause the output controller to reduce the driving power by supplying the driving power having a pulse waveform to the motor and reducing a pulse width of the pulse waveform of the driving power.

6. The power storage device according to claim 1, further comprising a receiver that communicates with a mobile terminal, wherein when the motor-driven moving object is within the particular area, if the receiver receives a command to reduce the driving power from the mobile terminal, the controller has been programmed to cause the output controller to reduce the driving power.

7. The power storage device according to claim 6, wherein the mobile terminal is pairable with the power storage device, and wherein the receiver receives the command from the mobile terminal when the mobile terminal is paired with the power storage device.

8. The power storage device according to claim 1, further comprising a receiver that communicates with a mobile terminal, wherein

when the receiver receives information about a location of the motor-driven moving object from the mobile terminal, the controller has been programmed to determine whether the motor-driven moving object is within the particular area, on the basis of the received information about the location of the motor-driven moving object, and

if the controller determines that the motor-driven moving object is within the particular area, the controller has been programmed to cause the output controller to reduce the driving power supplied from the power storage device.

9. The power storage device according to claim 8, wherein the mobile terminal is pairable with the power storage device, and wherein the receiver receives the information from the mobile terminal when the mobile terminal is paired with the power storage device.

10. The power storage device according to claim 1, further comprising a receiver that communicates with a mobile terminal, wherein when the receiver receives, from the mobile terminal, information indicating that the motor-driven moving object is within the particular area, the controller has been programmed to cause the output controller to reduce the driving power.

11. The power storage device according to claim 10, wherein the receiver receives the information from the mobile terminal when paired with the power storage device.

12. The power storage device according to claim 1, further comprising:

positive and negative terminals connectable to the motor-driven moving object; and

an enclosure housing;

the storage battery;

a display;

the controller; and

the output controller,

the output controller being connected to the storage battery and to the positive and negative terminals and programmed to control the output of driving power from the storage battery to the motor; and

wherein the controller is connected to the output controller and the display.

13. The power storage device according to claim 1,

wherein the controller is programmed to identify an area as the particular area when the controller determines that the motor-driven moving object is at increased risk of a collision in the area,

wherein the controller is programmed to, when the motor-driven moving object is within the particular area, cause the output controller to start an intermittent driving-power output from the power storage device to the motor, causing an operator-perceptible intermittent operation of the motor, and

wherein the operator-perceptible intermittent operation of the motor indicates that the controller has determined entry of the motor-driven moving object into the particular area in which the motor-driven moving object is at the increased risk of the collision.

14. The power storage device according to claim 1,

wherein the controller is programmed to identify an area as the particular area when the controller determines that the motor-driven moving object is at increased risk of a collision in the area,

wherein the controller is programmed to, when the motor-driven moving object is within the particular area, cause the output controller to start an intermittent driving-power output from the power storage device to the motor, causing an operator-perceptible intermittent operation of the motor, and

wherein the controller is programmed to control the output controller to stop the operator-perceptible intermittent operation of the motor in response to a determination that the motor-driven moving object has exited the particular area, thereby stopping the operator-perceptible intermittent operation of the motor-driven moving object, indicating exiting of the motor-driven moving object from the particular area in which the motor-driven moving object is at the increased risk of the collision.

15. The power storage device according to claim 1, wherein the controller is programmed to identify an area with a blind spot, an intersection, a hill, or traffic congestion as the particular area with an increased risk of collision.

16. The power storage device according to claim 1, further comprising:

a receiver communicating with a mobile terminal, and

a memory receiving a geographic map from the mobile terminal via the receiver,

wherein the controller is programmed to

identify an area as the particular area when the controller determines that the motor-driven moving object is at increased risk of a collision in the area, and

determine whether the motor-driven moving object is inside the particular area using the stored geographic map.

17. A method comprising:

providing an output controller, a controller, and a storage battery in a power storage device detachably mounted on a motor-driven moving object having a motor;

controlling, with the output controller, output of driving power from the storage battery to the motor; and

causing the output controller, with the controller, when the motor-driven moving object is within a particular area, to reduce the driving power supplied from the power storage device to the motor compared to the driving power when the motor-driven moving object is outside the particular area.

18. A power storage device comprising:

a storage battery;

a mount that detachably mounts the power storage device on a motor-driven moving object having a motor;

an output controller that controls output of driving power from the storage battery to the motor;

a receiver communicating with a mobile terminal, and

a controller programmed to, when the motor-driven moving object is within a particular area, cause the output controller to reduce the driving power supplied from the power storage device to the motor compared to the driving power when the motor-driven moving object is outside the particular area,

wherein the controller is further programmed to, once the output controller starts reducing the driving power supplied from the power storage device, stop the output controller from reducing the driving power supplied from the power storage device if the receiver has not received an output power control stop command signal for a predetermined period.