JP2005137786A - Electric skate board - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a skate board with enhanced travelling safety. <P>SOLUTION: A pressure sensing part 8 is arranged at a position near the front part of the skate board 1. The part 8 is covered by an elastic material on the upper surface of the skate board 1, so as to easily sense pressure. A changeover switch is arranged on the lower surface of the skate board 1 so as to open/close a control circuit depending on whether the pressure sensing part 8 senses the pressure or not. When the part 8 senses the pressure, a driving motor drives wheels and travelling is started. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a powered skateboard, and more particularly to a skateboard provided with a safety device.

In recent years, skateboards equipped with small motors and the like have become widespread, and techniques aimed at enhancing their operability and safety have been developed.
For example, Patent Document 1 describes an electric play equipment in which a skateboard senses pressure by a load when a person rides on the skateboard, a motor is driven, and wheels can run to rotate. Yes. Patent Document 2 describes a powered skateboard using a strain gauge as means for sensing pressure.

Japanese Patent No. 2993652 JP 2000-140190 A

  However, in these skateboards, when a person rides on the skateboard, pressure is sensed over the entire plate surface of the skateboard. That is, in the one described in Patent Document 1, when a pressure is felt somewhere on the plate surface, the pressure switch is turned on and the motor is driven. When you feel it, the strain gauge will drive the motor.

In this way, when the skateboard starts moving just by getting on the skateboard, there is a case where the balance is lost and the skateboard falls. Moreover, since these skateboards are not equipped with a device that switches the speed of the skateboards in stages, the skateboards may start suddenly.
The present invention has been made in view of such circumstances, and an object of the present invention is to provide a skateboard with improved traveling safety.

In order to solve the above problems, the present invention provides an electric skateboard provided with a drive motor for driving a wheel, provided with a pressure sensing unit for sensing pressure at a predetermined position on the upper surface of the skateboard. An electric skateboard characterized by having a control circuit for controlling a drive motor to drive a wheel when the sensing unit senses pressure.
A pressure sensing unit for sensing pressure is provided at a predetermined position on the upper surface of the skateboard, and the electric skateboard does not run unless a load is applied by placing a foot on the pressure sensing unit. For this reason, the electric skateboard does not move when the user simply rides on the electric skateboard, but it starts running for the first time when the user consciously puts his foot on the pressure sensing part. Can be realized.

The present invention includes a control unit that controls the drive motor and adjusts the traveling speed.
Since the traveling speed can be adjusted by the control unit, the speed adjustment during traveling can be easily performed at hand. In addition, if you set the control unit so that it does not start suddenly at the start of driving, you will not lose your balance and fall due to sudden start, and the electric skateboard will collide with other passersby by sudden start. So that passersby won't be injured. Therefore, safe driving performance can be further enhanced.

According to the present invention, a pressure sensing unit for sensing pressure is provided at a predetermined position on the upper surface of the skateboard, and when the pressure sensing unit senses pressure, the drive motor drives the wheels by the control circuit. Since the person starts to run for the first time when he / she consciously puts his / her foot on the pressure sensing part, an electric skateboard with extremely high safety can be realized.
In addition, by providing a control unit that controls the driving speed by controlling the drive motor, it is possible to easily adjust the speed while driving and to set the control unit so that it does not start suddenly at the start of driving. Thus, it is possible to effectively prevent accidents due to sudden start.

Hereinafter, the present invention will be described based on the embodiments.
FIG. 1 is a view of an electric skateboard according to an embodiment of the present invention as viewed from the upper surface side on which a person rides, FIG. 2 is a front view thereof, and FIG. 3 is a bottom view thereof.
A front wheel 3 and a rear wheel 4 are provided on the lower surface side of the skateboard 1, and the rear wheel 4 is configured to transmit power from a drive motor 6 by a drive belt 9. The drive motor 6 is connected to a battery 5 provided on the lower surface side of the skateboard, and is driven using the battery 5 as a power source.

  A pressure sensing unit 8 is provided at a position near the front of the skateboard 1. The pressure sensing unit 8 is covered with an elastic material, such as silicon rubber, on the upper surface side of the skateboard 1, and has a structure in which pressure is easily sensed. Further, a changeover switch 12 is provided on the lower surface side of the skateboard 1, and this changeover switch 12 is configured to open and close the control circuit 7 depending on whether or not the pressure sensing unit 8 senses pressure.

The operation of the changeover switch 12 will be described with reference to FIG.
FIG. 4A shows a case where the pressure sensing unit 8 is not receiving pressure, and since the changeover switch 12 is in an open state, the drive motor 6 is not driven by the control circuit 7. When a person rides on the skateboard 1 and pushes the upper surface of the pressure sensing unit 8 with his / her foot, as shown in FIG. 4B, the changeover switch 12 is closed by the pressure due to this load, and the control circuit 7 turns the drive motor 6 on. Drive.

  As described above, in the electric skateboard of the present invention, the drive motor 6 is not driven simply by a person riding on the skateboard 1, and the drive motor 6 is driven only when the pressure sensor 8 is consciously stepped on. Driving is possible. Therefore, there is no situation in which the skateboard 1 starts to move when a person gets on the skateboard 1, and the safety is extremely high.

  In the electric skateboard of the present invention, as shown in FIG. 2, a control unit 10 is connected to the control circuit 7 via a cable 11, and the control lever 2 is provided on the surface of the control unit 10. ing. By sliding the control lever 2, the running speed can be changed by changing the rotation speed of the drive motor 6. Further, when the control lever 2 is slid to the end, the rotation of the drive motor 6 can be stopped. However, speed control with the control lever 2 is possible only when the pressure sensing unit 8 is stepped on, and only when the person on the skateboard 1 has the will to run the electric skateboard. Speed control by the lever 2 can be performed.

The configuration and operation of the control unit 10 will be described below.
FIG. 5 schematically shows the configuration of the control unit 10.
In FIG. 5, a transistor 13 and a magnet 14 are provided in the control unit 10, and the distance between the magnet 14 and the transistor 13 changes as the control lever 2 is slid.
When the control lever 2 is operated by hand, the distance between the magnet 14 and the transistor 13 changes. The transistor 13 that functions as a magnetic sensor having a magnetic field strength sensing performance is used, senses a change in the strength of the magnetic field due to the operation of the control lever 2, and transmits the information to the control circuit 7. As a result, the control circuit 7 controls the traveling speed by controlling the rotational speed of the drive motor 6 stepwise by operating the control lever 2.
It should be noted that the configuration and operation of the control unit 10 shown here are merely examples, and the present invention is not limited to this, and any other configuration may be used as long as it has a mechanism capable of adjusting the traveling speed. It doesn't matter.

  In the electric skateboard of the present invention, a person who intends to use the electric skateboard gets on the skateboard 1 and steps on the pressure sensing unit 8 to start running. At this time, if the control unit 10 is operated so that it does not start suddenly, it will not lose its balance and it will not fall over, and the electric skateboard will collide with another passerby due to sudden start and pass It doesn't injure people. Many accidents caused by electric skateboards are caused by unexpected movements at the start of driving, so it is extremely safe for users of electric skateboards to be aware of starting driving and adjusting driving speed. Driving is possible.

  Also, when you want to stop the electric skateboard while driving, just release your foot from the pressure sensing unit 8, and you can stop the electric skateboard while riding on the electric skateboard. Try not to let the balance break when you get off the electric skateboard.

Even if the electric skateboard is accidentally descended, the control unit 10 is connected to the main body of the electric skateboard via the cable 11, so that the cable 11 is pulled as long as the control unit 10 is held by hand. Because the electric skateboard body can be pulled in, the electric skateboard will not run away.
Thus, the electric skateboard of the present invention has means for preventing the electric skateboard from going out of control against the intention of the user, and is an extremely safe electric skateboard. Can do.

  The present invention can be used as a highly safe electric skateboard.

It is the figure which looked at the electric skateboard concerning the embodiment of the present invention from the upper surface side which a person gets on. 1 is a front view of an electric skateboard according to an embodiment of the present invention. It is a bottom view of the electric skateboard concerning the embodiment of the present invention. It is a figure which shows operation | movement of a changeover switch. It is a figure showing composition and operation of a control unit of an electric skateboard concerning an embodiment of the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Skateboard 2 Control lever 3 Front wheel 4 Rear wheel 5 Battery 6 Drive motor 7 Control circuit 8 Pressure sensing part 9 Drive belt 10 Control unit 11 Cable 12 Changeover switch 13 Transistor 14 Magnet

Claims (2)

  In an electric skateboard provided with a drive motor for driving a wheel, a pressure sensing unit for sensing pressure is provided at a predetermined position on the upper surface of the skateboard, and when the pressure sensing unit senses pressure, the drive motor drives the wheel. An electric skateboard characterized by having a control circuit for controlling the operation. 2. The electric skateboard according to claim 1, further comprising a control unit that controls the drive motor to adjust a traveling speed.

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