Descent-restricting device

• US 20050211478A1
• Filed: 02/16/2005
• Published: 09/29/2005
• Est. Priority Date: 02/16/2004
• Status: Abandoned Application

• Current Assignee: Aisin Seiki Co., Ltd. (Aisin Corp.)
• Original Assignee: Aisin Seiki Kabushiki Kaisha (Aisin Corp.)
• Inventors: Tojima, Yuki, Sakuma, Masafumi
• Application Number:
  US11/058,202
• Publication Number:
  US 20050211478A1
• Time in Patent Office: Days
• US Class Current: 180/65.100
• CPC Class Codes: B60L 15/007 Physical arrangements or structures of drive train converters specially adapted for the propulsion motors of electric vehicles
• CPC Class Codes: B60L 15/2027 whilst maintaining constant speed
• CPC Class Codes: B60L 2210/40 DC to AC converters
• CPC Class Codes: B60L 2240/12 Speed
• CPC Class Codes: B60L 2250/26 by pedal actuation
• CPC Class Codes: B60L 50/16 with provision for separate direct mechanical propulsion
• CPC Class Codes: B60L 50/51 characterised by AC-motors
• CPC Class Codes: B60L 58/40 for controlling a combination of batteries and fuel cells
• CPC Class Codes: B60L 7/003 Dynamic electric braking by short circuiting the motor
• CPC Class Codes: B60L 7/04 for vehicles propelled by dc motors
• CPC Class Codes: B60L 7/22 Dynamic electric resistor braking, combined with dynamic electric regenerative braking
• CPC Class Codes: H02P 3/12 by short-circuit or resistive braking
• CPC Class Codes: Y02T 10/64 Electric machine technologies in electromobility
• 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 90/40 Application of hydrogen technology to transportation, e.g. using fuel cells

Abstract

A descent-restricting device for restricting a descent of a vehicle when starting the vehicle from a stationary state on an incline includes a motor for transmitting power to a drive shaft of the vehicle, a power source, a motor control portion for controlling electric power provided from the power source to the motor, and a short circuit switch portion for short-circuiting a plurality of wirings connecting the motor and the motor control portion when starting the vehicle from the stationary state on the incline.

Claims

1. A descent-restricting device for restricting a descent of a vehicle when starting the vehicle from a stationary state on an incline, comprising:

a motor for transmitting power to a drive shaft of the vehicle;

a power source;

a motor control portion for controlling electric power provided from the power source to the motor; and

a short circuit switch portion for short-circuiting a plurality of wirings connecting the motor and the motor control portion when starting the vehicle from the stationary state on the incline.

2. The descent-restricting device according to claim 1, wherein the motor control portion does not supply the power from the power source to the motor when the short circuit switch portion is short-circuited.

5. The descent-restricting device according to claim 1, wherein the motor includes a stator and a rotor configured to rotate in the stator, and either the stator or the rotor includes a permanent magnet.

6. The descent-restricting device according to claim 2, wherein the motor includes a stator and a rotor configured to rotate in the stator, and either the stator or the rotor includes a permanent magnet.

9. The descent-restricting device according to claim 1, further comprising:

a speed detection portion for detecting vehicle speed;

wherein the motor control portion compulsorily opens a circuit of the short-circuited wirings when speed detected by the speed detection portion assumes equal to or greater than a predetermined value.

11. The descent-restricting device according to claim 5, further comprising:

a speed detection portion for detecting vehicle speed;

wherein the motor control portion compulsorily opens a circuit of the short-circuited wirings when speed detected by the speed detection portion assumes equal to or greater than a predetermined value.

13. The descent-restricting device according to claim 1, further comprising:

an accelerator pedal operation detection portion for detecting an operation amount of an accelerator;

wherein the motor control portion compulsorily opens a circuit of the short-circuited wirings when operation of the accelerator is detected by the accelerator pedal operation detection portion.

15. The descent-restricting device according to claim 5, further comprising:

an accelerator pedal operation detection portion for detecting an operation amount of an accelerator;

wherein the motor control portion compulsorily opens a circuit of the short-circuited wirings when operation of the accelerator is detected by the accelerator pedal operation detection portion.

17. The descent-restricting device according to claim 9, further comprising:

an accelerator pedal operation detection portion for detecting an operation amount of an accelerator;

wherein the motor control portion compulsorily opens a circuit of the short-circuited wirings when operation of the accelerator is detected by the accelerator pedal operation detection portion.

3. A descent-restricting device for restricting a descent of a vehicle when starting the vehicle from a stationary state on an inline, comprising:

a motor for transmitting power to a drive shaft of a vehicle;

a power source;

a motor control portion for controlling electric power provided from the power source to the motor; and

a switch portion provided on a wiring connecting the power source and the motor control portion, the switch portion for connecting and disconnecting the power source and the motor control portion for purposes of restricting a descent of the vehicle.

4. The descent-restricting device according to claim 3, wherein the motor control portion short-circuits a plurality of wirings connecting the motor and the motor control portion when the switch portion is disconnected, and opens a circuit of the short-circuited wirings when the switch portion is connected.

7. The descent-restricting device according to claim 3, wherein the motor includes a stator and a rotor configured to rotate in the stator, and either the stator or the rotor includes a permanent magnet.

8. The descent-restricting device according to claim 4, wherein the motor includes a stator and a rotor configured to rotate in the stator, and either the stator or the rotor includes a permanent magnet.

10. The descent-restricting device according to claim 3, further comprising:

a speed detection portion for detecting vehicle speed;

wherein the motor control portion compulsorily opens a circuit of the short-circuited wirings when speed detected by the speed detection portion assumes equal to or greater than a predetermined value.

12. The descent-restricting device according to claim 7, further comprising:

a speed detection portion for detecting vehicle speed;

wherein the motor control portion compulsorily opens a circuit of the short-circuited wirings when speed detected by the speed detection portion assumes equal to or greater than a predetermined value.

14. The descent-restricting device according to claim 3, further comprising:

an accelerator pedal operation detection portion for detecting an operation amount of an accelerator;

wherein the motor control portion compulsorily opens a circuit of the short-circuited wirings when operation of the accelerator is detected by the accelerator pedal operation detection portion.

16. The descent-restricting device according to claim 7, further comprising:

an accelerator pedal operation detection portion for detecting an operation amount of an accelerator;

wherein the motor control portion compulsorily opens a circuit of the short-circuited wirings when operation of the accelerator is detected by the accelerator pedal operation detection portion.