A dynamo-electric motor applies motive power to a drive wheel. A battery supplies electric power to the dynamo-electric motor with a driver for controlling the driving of the dynamo-electric motor. A battery control unit performs a control of charging and discharging of the battery. A speed meter di
A dynamo-electric motor applies motive power to a drive wheel. A battery supplies electric power to the dynamo-electric motor with a driver for controlling the driving of the dynamo-electric motor. A battery control unit performs a control of charging and discharging of the battery. A speed meter displays predetermined information relating to a vehicle. In the electric vehicle including the elements described above, the battery control unit obtains the vehicle speed, the total travel distance, and the trip travel distance based on a vehicle speed pulse of the dynamo-electric motor detected by the driver, and displays information relating to the vehicle speed, the total travel distance, the trip travel distance and information relating to charging and discharging of the battery on a display unit using communication means.
대표청구항▼
What is claimed is: 1. An electric vehicle comprising: a dynamo-electric motor for applying motive power to a drive wheel; a battery for supplying electric power to the dynamo-electric motor; a driver for performing drive control of the dynamo-electric motor; a single control unit for performing co
What is claimed is: 1. An electric vehicle comprising: a dynamo-electric motor for applying motive power to a drive wheel; a battery for supplying electric power to the dynamo-electric motor; a driver for performing drive control of the dynamo-electric motor; a single control unit for performing control relating to charging and discharging of the battery; and a display unit for displaying predetermined information relating to the vehicle, wherein the single control unit includes a speed pulse detector and a communication port, the communication port being directly connected to both the speed pulse detector and to the display unit, wherein the speed pulse detector obtains a vehicle speed, a total travel distance, and a trip travel distance based on a vehicle speed pulse of the dynamo-electric motor detected by the driver, and the communication port transmits information relating to the vehicle speed, the total travel distance, and the trip travel distance, and information relating to charging and discharging of the battery to the display unit. 2. The electric vehicle according to claim 1, wherein the control unit calculates a residual travel distance of the battery based on the vehicle speed pulse detected by the driver. 3. The electric vehicle according to claim 1, wherein when the driver detects an abnormality, the driver changes a duly ratio of the vehicle speed pulse to a predetermined value and transmits the same to the control unit, and the control unit transmits the abnormality to the display unit via the communication port, the display unit including an alarm display unit for displaying the abnormality, wherein the abnormality is an amount of current flowing through the motor in excess of a predetermined value. 4. The electric vehicle according to claim 1, wherein when the driver detects an abnormality, the driver changes a duty ratio of the vehicle speed pulse to a predetermined value and transmits the same to the control unit, and the control unit transmits the abnormality to the display unit via the communication port, the display unit including an alarm display unit for displaying the abnormality. wherein the abnormality is a temperature of the motor in excess of a predetermined value. 5. The electric vehicle according to claim 1, wherein the display unit is capable of displaying a history of usage of the battery so that an operator can confirm information relating to the history of the usage of the battery. 6. The electric vehicle according to claim 1, wherein said control unit includes a memory for storing total travel distance and trip travel distance. 7. The electric vehicle according to claim 1, wherein the control unit includes a charger for rectifying and lowering a commercial power source to a prescribed voltage and allowing the current to flow into the battery and a DC-DC converter for converting a battery voltage from a high voltage for driving the dynamo-electric motor to a low voltage for supplying electricity to electric components on the vehicle. 8. The electric vehicle according to claim 1, and further including a reduction power transmitting system for transmitting output power from the dynamo-electric motor to the drive wheel. 9. The electric vehicle according to claim 1, and further including a regenerative charging mechanism operatively connected to said dynamo-electric motor for converting the rotational force transmitted from the drive wheel to the dynamo-electric motor when the speed is reduced into electric energy that is accumulated in the battery. 10. The electric vehicle according to claim 1, wherein the display unit includes a residual quantity of battery display for notifying an operator of the residual quantity of the battery by reducing a number of illuminated blocks as the residual quantity of the battery decreases. 11. The electric vehicle according to claim 1, wherein the control unit is mounted above the driver and the motor. 12. The electric vehicle according to claim 1, wherein the display unit is viewable by a rider while operating the vehicle, and the control unit is mounted under a seat of the vehicle on which the rider sits while operating the vehicle. 13. The electric vehicle according to claim 1, wherein the driver and the motor are housed in a case that is swingably attached to a rear part of a frame of the vehicle. 14. The electric vehicle according to claim 1, wherein the control unit is mounted on the vehicle separately from each of the driver, the motor, the battery, and the display unit. 15. An electric vehicle comprising: a dynamo-electric motor for supplying rotation to a drive wheel; a battery for supplying electric power to the dynamo-electric motor; a driver for controlling the dynamo-electric motor; a single control unit having a speed pulse detector and communication means; and a display unit for displaying predetermined information, wherein the communication means of the single control unit is directly connected to both the speed pulse detector and to the display unit, wherein the speed pulse detector obtains a vehicle speed, a total travel distance, and a trip travel distance based on a vehicle speed pulse of the dynamo-electric motor detected by the driver and for controlling a charging and discharging of the battery, and the communication means communicates information relating to the vehicle speed, the total travel distance and the trip travel distance and information relating to the charging and discharging of the battery to the display unit for displaying the information relating to the vehicle speed, the total travel distance, and the trip travel distance, and information relating to charging and discharging of the battery on the display unit. 16. The electric vehicle according to claim 15, wherein the control unit calculates a residual travel distance of the battery based on the vehicle speed pulse detected by the driver. 17. The electric vehicle according to claim 16, wherein when the driver detects an abnormality, the driver changes a duty ratio of the vehicle speed pulse to a predetermined value and transmits the same to the control unit, and the control unit transmits the abnormality to the display unit via the communication port, the display unit including an alarm display unit for displaying the abnormality, wherein the abnormality is a temperature of the motor in excess of a predetermined value. 18. The electric vehicle according to claim 15, wherein when the driver detects an abnormality, the driver changes a duty ratio of the vehicle speed pulse to a predetermined value and transmits the same to the control unit, and the control unit transmits the abnormality to the display unit via the communication port, the display unit including an alarm display unit for displaying the abnormality. wherein the abnormality is an amount of current flowing through the motor in excess of a predetermined value. 19. The electric vehicle according to claim 15, wherein the display unit is capable of displaying a history of usage of the battery so that an operator can confirm information relating to the history of the usage of the battery. 20. The electric vehicle according to claim 15, wherein said control unit includes a memory for storing total travel distance and trip travel distance. 21. The electric vehicle according to claim 15, wherein the control unit includes a charger for rectifying and lowering a commercial power source to a prescribed voltage and allowing the current to flow into the battery and a DC-DC converter for converting a battery voltage from a high voltage for driving the dynamo-electric motor to a low voltage for supplying electricity to electric components on the vehicle. 22. The electric vehicle according to claim 15, and further including a reduction power transmitting system for transmitting output power from the dynamo-electric motor to the drive wheel. 23. The electric vehicle according to claim 15, and further including a regenerative charging mechanism operatively connected to said dynamo-electric motor for converting the rotational force transmitted from the drive wheel to the dynamo-electric motor when the speed is reduced into electric energy that is accumulated in the battery. 24. The electric vehicle according to claim 15, wherein the display unit includes a residual quantity of battery display for notifying an operator of the residual quantity of the battery by reducing a number of illuminated blocks as the residual quantity of the battery decreases.
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이 특허에 인용된 특허 (8)
Takahira Yoshikazu (Saitama JPX) Ogawa Tomoko (Saitama JPX) Kanayama Shinichiro (Saitama JPX), Display device for electric vehicle.
Evans Le Andra E. (Groton CT) White Robert J. (Waterford CT) Brown Russell L. (Niantic CT) Galliher Kenneth R. (Mystic CT) Carlson Mark E. (Gales Ferry CT), Electric vehicle monitoring system.
Nakazawa Yoshihiro (Saitama JPX) Honda Satoshi (Saitama JPX) Suzuki Hiroyuki (Saitama JPX) Sasaki Shigemi (Saitama JPX), Method and apparatus for displaying a residual electric charge of a battery for an electrically driven vehicle.
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