MOTOR-DRIVEN TRAVELLING BODY AND HIGH-SPEED CHARGE METHOD FOR MOTOR-DRIVEN TRAVELLING BODY

• US 20140225559A1
• Filed: 04/18/2014
• Published: 08/14/2014
• Est. Priority Date: 04/17/2007
• Status: Abandoned Application

• Current Assignee: Institute for Energy Application Technologies Co., Ltd.
• Original Assignee: Institute for Energy Application Technologies Co., Ltd.
• Inventors: SUGANO, Tomio
• Application Number:
  US14/256,801
• Publication Number:
  US 20140225559A1
• Time in Patent Office: Days
• US Class Current: 320/108
• CPC Class Codes: B60K 2001/0438 Arrangement under the floor
• CPC Class Codes: B60L 1/003 to auxiliary motors, e.g. for pumps, compressors
• CPC Class Codes: B60L 2240/36 Temperature of vehicle components or parts
• CPC Class Codes: B60L 3/0046 relating to electric energy storage systems, e.g. batteries or capacitors
• 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 53/00 Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
• CPC Class Codes: B60L 53/11 DC charging controlled by the charging station, e.g. mode 4
• CPC Class Codes: B60L 53/12 Inductive energy transfer
• CPC Class Codes: B60L 53/14 Conductive energy transfer
• CPC Class Codes: B60L 53/305 Communication interfaces
• CPC Class Codes: B60L 53/31 Charging columns specially adapted for electric vehicles
• CPC Class Codes: B60L 53/51 Photovoltaic means
• CPC Class Codes: B60L 53/52 Wind-driven generators
• CPC Class Codes: B60L 53/53 Batteries
• CPC Class Codes: B60L 53/64 Optimising energy costs, e.g. responding to electricity rates
• CPC Class Codes: B60L 58/10 for monitoring or controlling batteries
• CPC Class Codes: B60L 58/26 by cooling
• CPC Class Codes: H01G 9/28 Structural combinations of electrolytic capacitors, rectifiers, detectors, switching devices with other electric components not covered by this subclass
• CPC Class Codes: H01M 10/0525 Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
• CPC Class Codes: H01M 10/44 : Methods for charging or discharging circuits for charging H02J7/00
• CPC Class Codes: H01M 10/46 : Accumulators structurally combined with charging apparatus circuits for charging H02J7/00
• CPC Class Codes: H01M 10/465 : with solar battery as charging system
• CPC Class Codes: H01M 10/486 : for measuring temperature
• 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 10/7072 : 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 90/16 : Information or communication technologies improving the operation of 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

An electrically-driven mobile body which can be given a boosting charge with electric power supplied by a single power supply apparatus together with other electrically-driven mobile bodies having different charging conditions and which can cool a charging system thereof without any coolant from the outside, as well as a boosting charge method for an electrically-driven mobile body for the same purpose.

An electrically-driven mobile body (50) which includes a power storing means (85) storing DC power supplied by an external power supply apparatus (10) and is driven with DC power stored in the power storing means (85), includes: a charge controlling means (80) for controlling DC power supplied by the power supply apparatus (10) in such a way that the DC power has a voltage and an electric current suitable for giving the power storing means (85) a boosting charge; and a cooling means (60) for cooling a charging system of the power storing means (85) forcedly with DC power supplied by the power supply apparatus (10).

Claims

1. An electrically-driven mobile body which includes a power storing means storing electric power supplied by an external power supply apparatus and is driven with electric power stored in the power storing means, comprising:

a charge controlling means for controlling DC power sent directly from the external power supply apparatus in such a way that the DC power has a voltage and an electric current suitable for giving the power storing means a boosting charge; and

a cooling means for cooling a charging system of the power storing means forcedly with DC power sent directly from the external power supply apparatus.

2. The electrically-driven mobile body according to claim 1, wherein the cooling means includes an electronic cooling element operating with DC power from the external power supply apparatus.

3. The electrically-driven mobile body according to claim 1, wherein the charge controlling means includes a charge control unit having a DC chopper circuit for regulating DC power supplied by the power supply apparatus in such a way that the DC power has a voltage suitable for giving a boosting charge to the power storing means.

4. The electrically-driven mobile body according to claim 1, wherein the power storing means is formed by at least one of a storage battery, an electric double-layer capacitor and a lithium-ion capacitor.

5. The electrically-driven mobile body according to claim 1, wherein the power storing means is formed by a lithium-ion battery.

6. The electrically-driven mobile body according to claim 1, wherein the charge controlling means is provided with a charge-completion alarming means notifying a portable receiver of the driver that a charge given to the power storing means is completed.

7. A boosting charge method for an electrically-driven mobile body which stores, in a second power storing means provided therein, electric power supplied by an external power supply apparatus provided with a first power storing means and is driven with electric power stored in the second power storing means, comprising the steps of:

controlling DC power sent directly from the first power storing means of the external power supply apparatus in such a way that the DC power has a voltage and an electric current suitable for giving the second power storing means a boosting charge; and

cooling a charging system of the second power storing means forcedly with DC power sent directly from the first power storing means of the external power supply apparatus.

8. The boosting charge method for an electrically-driven mobile body according to claim 7, wherein the electrically-driven mobile body is supplied with pure DC power from the first power storing means of the power supply apparatus.

9. The boosting charge method for an electrically-driven mobile body according to claim 7, wherein the electrically-driven mobile body is supplied with DC power from the power supply apparatus by either a conductive charging method or an inductive charging method.

10. The boosting charge method for an electrically-driven mobile body according to claim 7, wherein the electrically-driven mobile body is supplied with DC power generated using renewable energy.