On-vehicle equipment control system and vehicle

• US 8,515,605 B2
• Filed: 04/24/2008
• Issued: 08/20/2013
• Est. Priority Date: 05/23/2007
• Status: Expired due to Fees

• Current Assignee: Toyota Jidosha Kabushiki Kaisha (Toyota Motor Corporation)
• Original Assignee: Toyota Jidosha Kabushiki Kaisha (Toyota Motor Corporation)
• Inventors: Takaoka, Toshifumi
• Primary Examiner(s): Mawari, Redhwan K
• Application Number:
  US12/450,801
• Publication Number:
  US 20100138087A1
• Time in Patent Office: 1,944 Days
• Field of Search: 701/22
• US Class Current: 701/22
• CPC Class Codes: B60K 2001/0455 Removal or replacement of the energy storages
• CPC Class Codes: B60K 6/365 with the gears having orbital motion
• CPC Class Codes: B60K 6/445 Differential gearing distribution type
• CPC Class Codes: B60L 2210/12 Buck converters
• CPC Class Codes: B60L 2210/14 Boost converters
• CPC Class Codes: B60L 2210/30 AC to DC converters
• CPC Class Codes: B60L 2210/40 DC to AC converters
• CPC Class Codes: B60L 2240/545 Temperature
• CPC Class Codes: B60L 2240/547 Voltage
• CPC Class Codes: B60L 2240/549 Current
• CPC Class Codes: B60L 2250/12 by confirmation, e.g. of the input
• CPC Class Codes: B60L 3/0046 relating to electric energy storage systems, e.g. batteries or capacitors
• CPC Class Codes: B60L 3/0053 relating to fuel cells
• 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 3/12 Recording operating variables ; Monitoring of operating variables
• CPC Class Codes: B60L 50/16 with provision for separate direct mechanical propulsion
• CPC Class Codes: B60L 50/61 by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
• CPC Class Codes: B60L 50/64 Constructional details of batteries specially adapted for electric vehicles
• CPC Class Codes: B60L 53/16 Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
• CPC Class Codes: B60L 53/22 Constructional details or arrangements of charging converters specially adapted for charging electric vehicles
• CPC Class Codes: B60L 53/65 : involving identification of vehicles or their battery types
• CPC Class Codes: B60L 53/665 : Methods related to measuring, billing or payment
• CPC Class Codes: B60L 58/14 : Preventing excessive discharging
• 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 58/18 : of two or more battery modules
• CPC Class Codes: B60L 58/20 : having different nominal voltages
• CPC Class Codes: B60L 58/21 : having the same nominal voltage
• CPC Class Codes: B60L 58/26 : by cooling
• CPC Class Codes: B60R 16/033 : characterised by the use of electrical cells or batteries for propulsion puposes B60K1/04; supplying batteries to, or removing batteries from, vehicles B60S5/06; testing of charge state G01R31/36
• CPC Class Codes: B60W 10/26 : for electrical energy, e.g. batteries or capacitors
• CPC Class Codes: B60W 20/00 : Control systems specially adapted for hybrid vehicles hybrid vehicle design, B60K6/00; electric vehicles B60L
• CPC Class Codes: B60W 2050/146 : Display means
• CPC Class Codes: B60W 2510/244 : Charge state
• CPC Class Codes: B60W 2540/215 : Selection or confirmation of options
• CPC Class Codes: B60W 50/082 : Selecting or switching between different modes of propelling
• CPC Class Codes: B60W 50/085 : Changing the parameters of the control units, e.g. changing limit values, working points by control input
• CPC Class Codes: Y02T 10/62 : Hybrid vehicles
• 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 10/72 : Electric energy management in electromobility
• 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: Y02T 90/40 : Application of hydrogen technology to transportation, e.g. using fuel cells
• CPC Class Codes: Y04S 30/14 : Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

Abstract

A power supply device for a vehicle that is chargeable from an external power supply (90) provided external to the vehicle, including a main battery (BA) and a battery pack (39) that is attachable to and detachable from the vehicle. The battery pack (39) includes a sub battery (BB1) for driving electric loads (inverters 14 and 22) common to the main battery (BA) and the sub battery (BB1), and a connector (52) provided with a first storage unit storing information related to the sub battery (BB1). The power supply device for the vehicle further includes a control device (30) performing control related to the main battery (BA), and reading the information from the first storage unit and performing control related to the sub battery (BB1).

Claims

1. An on-vehicle equipment control system, comprising:

a battery pack configured to be attachable to and detachable from a vehicle and including a storage unit storing information; and

a control device controlling an inverter for driving a motor based on the information stored in said storage unit when said battery pack is connected to said vehicle, and controlling said inverter based on information other than the information stored in said storage unit when said battery pack is not connected to said vehicle; and

a first battery supplying electric power to said inverter, said battery pack further including

a second battery being an optional battery added or removed according to a user'"'"'s usage status and provided in parallel to said first battery for supplying electric power to said inverter, and

a boost converter converting a voltage of said second battery into a voltage of said first battery and supplying the converted voltage to said inverter; and

said control device causing said inverter to perform control related to said first battery and control related to said second battery based on the information stored in said storage unit.

2. The on-vehicle equipment control system according to claim 1, wherein said control device controls charge and discharge of said battery pack based on the information stored in said storage unit.

3. The on-vehicle equipment control system according to claim 1, further comprising a cooling device cooling said battery pack,

wherein said control device controls said cooling device based on the information stored in said storage unit.

4. The on-vehicle equipment control system according to claim 1, wherein said battery pack further includes a voltage conversion unit converting a voltage of said second battery and supplying the converted voltage to said on-vehicle equipment.

5. The on-vehicle equipment control system according to claim 4, wherein said control device performs processing related to said first battery and said second battery based on a prescribed control constant, and changes said control constant based on said information read from said storage unit.

6. The on-vehicle equipment control system according to claim 1, wherein said control device determines whether or not said battery pack is an authorized product based on said information read from said storage unit.

7. The on-vehicle equipment control system according to claim 1, wherein said battery pack further includes:

a cooling device cooling said second battery.

8. A vehicle configured such that a battery pack having a connection unit connecting to the vehicle is attachable and detachable from the vehicle, comprising:

a control device controlling an inverter for driving a motor based on information read from said battery pack when said battery pack is connected to said vehicle, and controlling said inverter based on information stored in said vehicle when said battery pack is not connected to said vehicle; and

a first battery supplying electric power to said inverter, said battery pack including

a storage unit storing said information, and

a second battery being an optional battery added or removed according to a user'"'"'s usage status and provided in parallel to said first battery for supplying electric power to said inverter, and

a boost converter converting a voltage of said second battery into a voltage of said first battery and supplying the converted voltage to said inverter; and

said control device causing said inverter to perform control related to said first battery and control related to said second battery based on the information read from said battery pack.

9. The vehicle according to claim 8, wherein said control device controls charge and discharge of said battery pack based on the information read from said battery pack.

10. The vehicle according to claim 8, further comprising a cooling device cooling said battery pack,

wherein said control device controls said cooling device based on the information read from said battery pack.

11. The vehicle according to claim 8, wherein said battery pack further includes a voltage conversion unit converting a voltage of said second battery and supplying the converted voltage to said on-vehicle equipment.

12. The vehicle according to claim 11, wherein said control device performs processing related to said first battery and said second battery based on a prescribed control constant, and changes said control constant based on the information read from said battery pack.

13. The vehicle according to claim 8, wherein said control device determines whether or not said battery pack is an authorized product based on the information read from said battery pack.

14. The vehicle according to claim 8, wherein said battery pack further includes:

a cooling device cooling said second battery.