BATTERY CHARGING DEVICES, BATTERY CHARGING METHODS, BATTERY SYSTEMS, AND METHODS FOR CONTROLLING BATTERIES

• US 20160114692A1
• Filed: 06/06/2014
• Published: 04/28/2016
• Est. Priority Date: 06/06/2013
• Status: Abandoned Application

• Current Assignee: Nanyang Technology University
• Original Assignee: Nanyang Technology University
• Inventors: Tripathi, Anshuman, Nirupam, Jyothi
• Application Number:
  US14/895,833
• Publication Number:
  US 20160114692A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: B60L 2240/547 Voltage
• CPC Class Codes: B60L 2240/549 Current
• CPC Class Codes: B60L 2250/10 by alarm
• CPC Class Codes: B60L 2250/16 by display
• CPC Class Codes: B60L 3/0046 relating to electric energy storage systems, e.g. batteries or capacitors
• CPC Class Codes: B60L 3/0092 with use of redundant elements for safety purposes
• CPC Class Codes: B60L 3/04 Cutting off the power supply under fault conditions protective devices and circuit arrangements in general H01H; H02H
• CPC Class Codes: B60L 50/66 Arrangements of batteries
• CPC Class Codes: B60L 53/11 DC charging controlled by the charging station, e.g. mode 4
• CPC Class Codes: B60L 53/14 Conductive energy transfer
• CPC Class Codes: B60L 53/16 Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
• CPC Class Codes: B60L 53/18 Cables specially adapted for charging electric vehicles
• CPC Class Codes: B60L 53/53 Batteries
• CPC Class Codes: B60L 53/665 Methods related to measuring, billing or payment
• CPC Class Codes: B60L 58/13 Maintaining the SoC within a determined range
• CPC Class Codes: B60L 58/16 responding to battery ageing, e.g. to the number of charging cycles or the state of health [SoH]
• CPC Class Codes: B60L 58/21 having the same nominal voltage
• CPC Class Codes: H02J 2310/48 for electric vehicles [EV] or hybrid vehicles [HEV]
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 7/0013 acting upon several batteries simultaneously or sequentially H02J7/1423 takes precedence
• CPC Class Codes: H02J 7/0048 : Detection of remaining charge capacity or state of charge [SOC]
• CPC Class Codes: H02J 7/005 : Detection of state of health [SOH]
• CPC Class Codes: H02J 7/007182 : in response to battery voltage
• CPC Class Codes: H02J 7/04 : Regulation of charging current or voltage
• CPC Class Codes: Y02T 10/70 : Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/7072 : Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• CPC Class Codes: Y02T 90/12 : Electric charging stations
• CPC Class Codes: Y02T 90/14 : Plug-in electric vehicles
• CPC Class Codes: Y02T 90/167 : Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
• CPC Class Codes: Y04S 30/14 : Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

Abstract

According to various embodiments, a battery charging device may be provided. The battery charging device may include: a first determination circuit configured to determine a state of a first battery of an electric vehicle; a second determination circuit configured to determine a state of a second battery of the electric vehicle; a first charging circuit configured to charge the first battery based on the determined condition of the first battery; and a second charging circuit configured to charge the second battery based on the determined condition of the second battery.

Claims

1. A battery charging device comprising:

a first determination circuit configured to determine a state of a first battery of an electric vehicle;

a second determination circuit configured to determine a state of a second battery of the electric vehicle;

a first charging circuit configured to charge the first battery based on the determined condition of the first battery;

a second charging circuit configured to charge the second battery based on the determined condition of the second battery;

a plurality of connection points for wired charging of at least one of the first battery or the second battery; and

a plurality of coils for wireless charging of at least one of the first battery or the second battery.

2. The battery charging device of claim 1,

wherein the state of the first battery comprises at least one of a state of health of the first battery or a state of charge of the first battery;

and

wherein the state of the second battery comprises at least one of a state of health of the second battery or a state of charge of the second battery.

3. The battery charging device of claim 1,

wherein the first determination circuit and the second determination circuit are configured to operate simultaneously.

4. The battery charging device of claim 1,

wherein the first charging circuit and the second charging circuit are configured to operate simultaneously.

5. The battery charging device of claim 1,

wherein the first charging circuit is configured to charge the first battery through a wired connection;

and

wherein the second charging circuit is configured to charge the second battery through a wireless medium.

6. The battery charging device of claim 1,

wherein the first charging circuit is configured to determine a first charging power based on the determined condition of the first battery and further configured to charge the first battery with the determined first charging power;

and

wherein the second charging circuit is configured to determine a second charging power based on the determined condition of the second battery and further configured to charge the second battery with the determined second charging power; and

7. The battery charging device of claim 1,

wherein the first charging circuit and the second charging circuit are configured to operate with different charging power.

8. The battery charging device of claim 1, further comprising:

a first connector configured to provide a connection between the first battery and the first charging circuit; and

a second connector configured to provide a connection between the second battery and the second charging circuit.

9. The battery charging device of claim 1, further comprising:

a main control circuit configured to control the first determination circuit, the second determination circuit, the first charging circuit, and the second charging circuit.

10. The battery charging device of claim 1,

wherein the first charging circuit comprises a first converter circuit configured to convert an input electric source to a charging signal for the first charging circuit;

and

wherein the second charging circuit comprises a second converter circuit configured to convert the input electric source to a charging signal for the second charging circuit.

11. The battery charging device of claim 1, further comprising:

a first subcontrol circuit configured to control the first determination circuit and the first charging circuit; and

a second subcontrol circuit configured to control the second determination circuit and the second charging circuit.

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16. A battery charging method comprising:

determining a state of a first battery of an electric vehicle;

determining a state of a second battery of the electric vehicle;

charging the first battery based on the determined condition of the first battery;

charging the second battery based on the determined condition of the second battery;

providing connections using a plurality of connection points for wired charging of at least one of the first battery or the second battery; and

providing connections using a plurality of coils for wireless charging of at least one of the first battery or the second battery.

26. The battery charging method of claim 16, further comprising:

controlling the first determination circuit and the first charging circuit using a first subcontrol circuit; and

controlling the second determination circuit and the second charging circuit using a second subcontrol circuit.

27. The battery charging method of claim 16, further comprising:

switching a configurable interconnection between the first battery and the second battery.

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31. A battery system comprising:

a first battery;

a second battery;

a configurable interconnection;

a switching circuit configured to switch the configurable interconnection between the first battery and the second battery;

a plurality of connection points for wired charging of at least one of the first battery or the second battery; and

a plurality of coils for wireless charging of at least one of the first battery or the second battery.

32. The battery system of claim 31, further comprising:

a battery charging device comprising;

a first determination circuit configured to determine a state of a first battery of an electric vehicle;

a second determination circuit configured to determine a state of a second battery of the electric vehicle;

a first charging circuit configured to charge the first battery based on the determined condition of the first battery;

a second charging circuit configured to charge the second battery based on the determined condition of the second battery;

a plurality of connection points for wired charging of at least one of the first battery or the second battery; and

a plurality of coils for wireless charging of at least one of the first battery or the second battery.

33. The battery system of claim 31, further comprising:

a memory configured to store instructions for controlling the switching circuit.

34. The battery system of claim 31, further comprising:

a display interface configured to display a status of the first battery, a status of the second battery, and a status of the switchable interconnection.

35. The battery system of claim 31, further comprising:

a keyboard interface configured to receive user input for individually controlling charging of the first battery and charging of the second battery.

36. The battery system of claim 31,

wherein the switching circuit comprises digital control logics.

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