JP3707219B2 - Automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve total energy efficiency including fuel consumption at the time of operation and minimize load onto an environment, by fitting a gasoline engine and a power source for a motor to drive an automobile using the motor at the time of starting, and switching it to a gasoline engine when speed has reached a prescribed value. SOLUTION: When a key switch 7 is turned on, a switching signal is outputted to a clutch 22 by a controller 8, and the clutch 22 is switched so that the rotational force of a motor 2 may be transmitted to a wheel 3. When an accelerator pedal 10 is depressed, a driving signal is outputted to the motor 2 to start an automobile. The controller 8, when a speedometer 26 indicates a prescribed value, preferably 20 km, transmits the rotational force of the gasoline engine 1 to the wheel 3 through the clutch 22 to drive the automobile. It is thus possible to emit little harmful substance at the time of starting and improve fuel efficiency by switching to the gasoline engine when the torque of the motor is constant.

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an automobile such as a passenger car.
[0002]
[Prior art]
The biggest challenge imposed on automobiles in recent years is the reduction of pollution, and automobiles driven by fuel such as gasoline and light oil emit many harmful substances when starting, which requires the most torque, which causes global warming. A technology for reducing emission of harmful substances has been developed, and electric vehicles using an electric motor as a power source are attracting attention.
[0003]
[Problems to be solved by the invention]
However, the electric motor is driven by the electric power from the battery, and it takes a long time to charge the battery, and the cruising distance is shorter than that of a car that uses gasoline as fuel. is there.
[0004]
The present invention has been made in view of such problems, and an object of the present invention is to provide an automobile with high overall energy efficiency including fuel consumption during operation and low environmental load. .
[0005]
[Means for Solving the Problems]
In order to solve such problems, in the present invention, wheels driven by a gasoline engine and an electric motor, front and rear seats provided on a chassis, a handle, a key switch, and rotation of the gasoline engine A transmission mechanism that transmits power to the rear wheels through the clutch and differential gear, a transmission mechanism that transmits the rotational force of the gasoline engine to the generator through the gears, and the power generated by the generator from AC to DC by the inverter A battery that is converted and charged, an electric motor that is rotated by the battery, a speedometer installed on the rear wheel shaft, and the key switch signal and speedometer are received, and the electric motor travels when starting. , A control device that selectively drives the gasoline engine and the electric motor to switch to the gasoline engine when the speed reaches a predetermined value The is characterized in that provided.
[0006]
Therefore, according to the present invention, since it is driven by the electric motor at the time of starting that requires the most torque, harmful substances and the like are hardly discharged and it is possible to contribute to the reduction of pollution. In addition, when the speed reaches a predetermined value, for example, 20 km, the engine is switched to a gasoline engine and runs on a gasoline engine in a fuel-efficient area. Increased distance is practical.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is an explanatory diagram of an automobile according to the present invention, and FIG. 2 is a configuration diagram showing a schematic configuration of a drive unit according to the present invention.
[0008]
As shown in FIG. 1, the automobile of this embodiment includes a wheel 3 driven by a gasoline engine 1 and an electric motor 2, a front seat 4 and a rear seat 5 provided on a chassis, a handle 6, and a key switch 7. The control device 8 is configured to selectively drive the gasoline engine 1 and the electric motor 2 in response to a signal from the key switch 7. The electric motor 2 is driven by electric power charged in the battery 9. Reference numeral 10 in the figure denotes an accelerator pedal.
[0009]
As shown in FIG. 2, the rotational force of the gasoline engine 1 is transmitted to the rear wheel 3 via the clutch 22 and the differential gear 23, and at the same time, the rotational force of the gasoline engine 1 is transmitted to the generator 24 via the gears 21a and 21b. The electric power generated by the generator 24 is converted from alternating current to direct current by the inverter 25, and the battery 9 is charged. The electric motor 2 is rotated by the electric power charged in the battery 9, and the rotational force of the electric motor 2 is transmitted to the wheels 3 through the clutch 22 and the differential gear 23. Further, a speedometer 26 is provided on the shaft of the rear wheel 3, and when the speed signal is received from the speedometer 26, for example, when the speed reaches 20 km, the power is switched from the electric motor 2 to the gasoline engine 1. The vehicle is always controlled to travel with an energy efficient power source. In the figure, reference numeral 27 denotes a connector that is charged via a cord from a charger installed at the charging station.
[0010]
Next, the operation will be described. When the key switch 7 is turned on, a switching signal is output from the control device 8 to the clutch 22, and the clutch 22 is switched so that the rotational force of the electric motor 2 is transmitted to the wheels 3. When the driver steps on the accelerator pedal 11, a drive signal is output from the control device 8 to the electric motor 2 and the automobile starts. Thereafter, the control device 8 receives the speed signal from the speedometer 26 and when the speed reaches 20 km, it outputs a drive signal to the gasoline engine 1 and also outputs a switching signal to the clutch 22 to switch the motive power. Is transmitted to the wheels 3 through the clutch 22 and the differential gear 23, and the vehicle travels. Further, a drive stop signal is output to the electric motor 2 to stop the rotation of the electric motor 2. At this time, the rotational force generated by the gasoline engine 1 drives the generator via the gears 21a and 21b to charge the battery 9 while the automobile is running.
[0011]
Thereafter, when the automobile decelerates to 20 km or less, for example, the speed signal from the speedometer 26 is received and a switching signal is output from the control device 8 to the clutch 22 to switch the power to the electric motor 2 and to the gasoline engine 1. A drive stop signal is output. Then, a drive signal is output from the control device 8 to the electric motor 2 by a signal from the accelerator pedal 11. If the automobile stops in this state, the electric motor 2 also stops. When the vehicle reaches a speed of 20 km when accelerated, the power source is switched to the gasoline engine 1.
[0012]
【The invention's effect】
The automobile according to the present invention is as described in detail above, and is provided with a power source of a gasoline engine and an electric motor, travels by an electric motor when starting, and switches to the gasoline engine when the speed reaches a predetermined value. And Therefore, since the motor is driven when the torque is most required at the time of starting, harmful substances and the like are hardly discharged and it can contribute to the reduction of pollution. Also, when the torque of the electric motor becomes a predetermined value, that is, constant, it switches to a gasoline engine and runs on a gasoline engine in a fuel-efficient region, so it has better fuel efficiency than a normal gasoline engine vehicle, and moreover a normal electric vehicle Compared to the cruising range, it is practical.
[Brief description of the drawings]
FIG. 1 is an explanatory diagram of an automobile according to the present invention.
FIG. 2 is a configuration diagram showing a schematic configuration of a drive unit of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Gasoline engine 2 Electric motor 3 Wheel 4 Front seat 5 Rear seat 6 Handle 7 Key switch 8 Control device 9 Battery 10 Accelerator pedal 21a, 21b Gear 22 Clutch 23 Differential gear 24 Generator 25 Inverter 26 Speedometer 27 Connector

Claims (1)

Switching between the rear wheel driven by the gasoline engine and the electric motor, the front seat and the rear seat provided on the chassis, the handle, the key switch, the torque of the gasoline engine and the torque of the electric motor A clutch for transmitting the differential gear to the differential gear, a transmission mechanism for transmitting the rotational force of the gasoline engine to the rear wheels through the clutch and the differential gear, and the rotational force of the gasoline engine between the gasoline engine and the clutch. A transmission mechanism for transmitting to the generator via a provided gear, a battery that is charged by converting the electric power generated by the generator from alternating current to direct current by an inverter and driving the electric motor, and a shaft of a rear wheel In response to the speedometer provided above, the key switch signal and the speedometer, A control device is provided that travels by a motor and outputs a switching signal to the clutch when the speed reaches a predetermined value to switch to the gasoline engine and selectively drives the gasoline engine and the electric motor. Car to do.

Images