JPH10341504A - Electric traveler - Google Patents

Abstract

(57) [Summary] [Problem] To make it possible to cancel a gyro moment. A rotating shaft (10, 1) facing in the same direction as each other.
1 and a pair of flywheels 12 and 13 that rotate in opposite directions to each other and extend in the front-rear direction of the traveling device main body 5 with respect to the traveling device main body 5 to divide the traveling device main body 5 into two right and left parts. It is arranged at a position symmetrical with respect to the line 14.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric traveling device, and more particularly, to an electric traveling device capable of canceling a gyro moment.

[0002]

2. Description of the Related Art In recent years, electric vehicles and other electric traveling devices have attracted attention as vehicles that do not adversely affect the environment due to exhaust gas. The one that can obtain the acceleration performance, the maximum speed, and the like close to that of a vehicle using an internal combustion engine has been developed.

As shown in FIG. 3, the electric traveling device includes a power source 1 such as a battery, a motor driven by electric power from the power source 1, and a motor generator 2 having the functions of a generator. The gear mechanism 3 for transmitting the driving force generated by the motor generator 2, the wheels 4 rotated by the driving force transmitted from the gear mechanism 3, and the traveling device main body 5 on which these devices are mounted It is configured.

Then, a motor generator 2 having both functions of a motor and a generator is driven by electric power from a power source 1 such as a battery, and the driving force of the motor generator 2 is transmitted to wheels 4 via a gear mechanism 3. By turning the wheels 4, the traveling device body 5 is caused to travel.

On the other hand, when the traveling device main body 5 is decelerated, the rotation of the wheels 4 is transmitted to the motor generator 2 via the gear mechanism 3 and the motor generator 2 is turned to generate electric power. The energy is converted into electric energy and the brake is applied.

The electric energy obtained by the motor generator 2 at the time of deceleration is returned to the power source 1 such as a battery to charge the power source 1 such as a battery.

However, the traveling apparatus main body 5 generally undergoes frequent acceleration and deceleration. At the time of deceleration, a large amount of electric energy is generated from the motor generator 2. Basically, it is not suitable for quick charging. If the electric energy generated by the motor generator 2 is repeatedly used to quickly charge the power source 1 such as a battery, the power source 1 such as a battery quickly deteriorates. It will awaken.

Further, the power supply 1 such as a battery cannot receive large electric energy at a time due to its characteristics, and therefore cannot charge all the electric energy generated by the motor generator 2.

Therefore, as shown in FIG. 4, an energy storage device 9 composed of a small flywheel 8 rotated at a high speed via a motor generator 6 and a gear mechanism 7, which is different from the above, is provided. At the time of deceleration, the motor generator 6 of the energy storage device 9 is driven by the electric energy generated by the motor generator 2 on the wheel 4 side, and the flywheel 8 is rotated via the gear mechanism 7 by the driving force of the motor generator 6. By doing so, it is considered that the flywheel 8 stores energy.

[0010] The rotational energy stored in the flywheel 8 is then used to cause the motor generator 6 of the energy storage device 9 to generate electric power. The motor generator 2 is driven to rotate the wheels 4 to generate a part of the driving force required for the traveling device body 5 to travel.

By using the flywheel 8 in this manner, the electric energy generated by the motor generator 2 during deceleration can be effectively stored in the energy storage device 9,
With this, the power supply 1 such as a battery by rapid charging
Degradation can be prevented.

[0012]

However, the electric traveling device provided with a flywheel as the energy storage means has the following problems.

That is, since the flywheel 8 rotating at high speed is the gyro itself, when the flywheel 8 rotates in the direction shown in FIG.
When the vehicle tries to make a right turn, a centrifugal force acts on the traveling device main body 5, and if the traveling device main body 5 is tilted to the left as shown by the arrow A, the axis of the flywheel 8 is also tilted together with the traveling device main body 5. Thus, a gyro moment is generated in which the front portion of the traveling device body 5 is lifted up as shown by arrow C, and the rear portion of the traveling device body 5 is pressed downward.

Conversely, if the traveling device main body 5 tries to make a left turn, a centrifugal force acts on the traveling device main body 5 and the traveling device main body 5 tilts to the right as shown by the arrow B. Since the axis of the flywheel 8 is also inclined together with 5, the rear part of the traveling device main body 5 is lifted up as shown by the arrow D, and a gyro moment is generated in which the front portion of the traveling device main body 5 is pressed downward.

When the traveling device body 5 climbs a hill,
When the front part of the traveling device body 5 is tilted upward as indicated by an arrow C, the axis of the flywheel 8 is also inclined together with the traveling device body 5, so that the right half of the traveling device body 5 is lifted up as indicated by an arrow A, A gyro moment is generated in which the left half of the traveling device body 5 is pressed downward.

On the other hand, when the front of the traveling device body 5 is tilted downward as indicated by an arrow d when the traveling device body 5 goes down a hill, the axis of the flywheel 8 is also inclined together with the traveling device body 5. A gyro moment is generated in which the left half of the traveling device body 5 is lifted up as indicated by an arrow B, and the right half of the traveling device body 5 is pressed downward.

As described above, when the traveling device body 5 travels, various gyro moments are generated by tilting the rotation axis of the flywheel 8 together with the traveling device body 5, so that the riding comfort of the traveling device body 5 is improved. This is completely different from a normal vehicle, and may cause discomfort or the like to a person riding on the traveling device body 5.

The present invention has been made in view of the above circumstances, and has as its object to provide an electric traveling device capable of canceling a gyro moment.

[0019]

Means for Solving the Problems To solve the above problems, the present invention uses the following means.

That is, a first means of the present invention comprises a pair of flywheels 12, 13 having rotating shafts 10, 11 oriented in the same direction and rotating in opposite directions.
A center line 14 extending in the front-rear direction of the traveling device main body 5 with respect to the traveling device main body 5 and dividing the traveling device main body 5 into two right and left parts.
The present invention relates to an electric traveling device, wherein the electric traveling device is disposed at a position which is symmetrical with respect to.

In this case, each flywheel 1
The wheels 2 and 13 may be arranged at substantially intermediate positions of the wheels 4 before and after the traveling device body 5.

Further, each flywheel 12, 13 is
The rotating shafts 10 and 11 may be arranged in the vertical direction.

The second means of the present invention comprises a pair of flywheels 12 and 13 having rotating shafts 10 and 11 extending in the vertical direction and rotating in opposite directions to the traveling device main body 5. , Which are disposed at the upper and lower positions on the same straight line.

In this case, the flywheel 12,
13 may be arranged on a center line 14 that extends in the front-rear direction of the traveling device body 5 and divides the traveling device body 5 into two right and left parts, and at a substantially intermediate position between the front and rear wheels 4.

According to the above means, the following effects can be obtained.

According to the first means, a pair of flywheels 12 and 13 having rotating shafts 10 and 11 oriented in the same direction and having rotating directions opposite to each other are attached to the traveling device main body 5. On the other hand, the traveling device body 5 is extended in the front-rear direction and is disposed at a position symmetrical with respect to the center line 14 that divides the traveling device body 5 into two right and left parts. Wheel 1
When the rotating shafts 10 and 11 are inclined, gyro moments in opposite directions are generated, and the generated gyro moments cancel each other, so that the gyro moment does not act on the traveling device main body 5. , The ride is almost the same as a normal vehicle,
It is possible to prevent a person riding on the traveling device main body 5 from feeling uncomfortable.

The rotating shaft 1 of the flywheels 12 and 13
Although 0 and 11 may be directed in the front-rear direction or the left-right direction, the traveling device body 5 has a high frequency of operation in the up-down direction during traveling, so that the gyro moment is not generated by this operation. That is, it is preferable that the light source is directed vertically.

Further, the flywheels 12 and 13 are arranged at substantially the intermediate positions of the wheels 4 before and after the inclination of the traveling device body 5 during traveling is relatively small, in order to fundamentally reduce the gyro moment. preferable.

According to the second means, the pair of flywheels 12 and 13 having the rotating shafts 10 and 11 extending in the vertical direction and rotating in the opposite directions to each other are mounted on the traveling device main body 5 on the same axis. Gyro moments in opposite directions are generated when the rotating shafts 10 and 11 of the flywheels 12 and 13 are tilted together with the traveling device main body 5 along with the traveling of the traveling device main body 5 in accordance with the traveling of the traveling device main body 5 due to the arrangement at the vertical position on the line. ,
Since the generated gyro moments cancel each other, the gyro moment does not act on the traveling device main body 5 and the riding comfort becomes almost the same as that of a normal vehicle. It is possible to prevent giving discomfort or the like.

Since the traveling device body 5 frequently moves in the vertical direction during traveling, it is preferable that the traveling device body 5 is directed in a direction in which no gyro moment is generated by this operation, that is, in a vertical direction.

Further, the flywheels 12, 13 are arranged at substantially the middle positions of the wheels 4 before and after the inclination of the traveling device body 5 during traveling is relatively small, in order to fundamentally reduce the gyro moment. preferable.

[0032]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows a first embodiment of the present invention.

The basic structure of the electric traveling device is the same as that of FIG. 3, and the outline of the energy storage device using the flywheel is almost the same as that of FIG. The description is omitted by referring to the figures and assigning the same reference numerals to the same parts.

In the present invention, a pair of flywheels 12 and 13 having rotating shafts 10 and 11 oriented in the same direction and rotating in opposite directions are prepared. The traveling device main body 5 is disposed at a position symmetrical with respect to a center line 14 extending in the front-rear direction of the traveling device main body 5 and dividing the traveling device main body 5 into two right and left parts.

More specifically, each flywheel 1
It is preferable that the rotating shafts 2 and 13 have the rotating shafts 10 and 11 oriented in the up-down direction, and are disposed at substantially intermediate positions of the wheels 4 in front and behind the traveling device main body 5.

Next, the operation will be described.

A step of driving the motor generator 2 by the power source 1 such as a battery, rotating the wheels 4 by the driving force of the motor generator 2, and moving the traveling device body 5;
A process in which the motor generator 2 is rotated by the rotation of the wheels 4 when the traveling device main body 5 is decelerated to generate electric energy and cause the flywheels 12 and 13 of the energy storage device 9 to store energy. The process of rotating the motor generator 6 using the rotational energy thus obtained, driving the motor generator 2 with the generated electric energy and rotating the wheels 4 to obtain the driving force of the traveling device body 5 is shown in FIGS. 4, the description is omitted.

In the present embodiment, a pair of flywheels 12 and 13 having rotating shafts 10 and 11 oriented in the same direction and rotating in opposite directions to each other, Since the traveling device main body 5 extends in the front-rear direction and is located at a position symmetrical with respect to the center line 14 that divides the traveling device main body 5 into two parts, the flywheel 12 and the traveling device main body 5 travel together with the traveling device main body 5. ,
When the rotating shafts 10 and 11 of the thirteen are inclined, gyro moments in opposite directions are generated, and the generated gyro moments cancel each other, so that the gyro moment does not act on the traveling device main body 5,
The ride comfort is almost the same as that of a normal vehicle, and it is possible to prevent a person riding on the traveling device body 5 from feeling uncomfortable.

The rotating shaft 1 of the flywheels 12 and 13
Although 0 and 11 may be directed in the front-rear direction or the left-right direction, the traveling device main body 5 has a high frequency of operation in the up-down direction during traveling, so that the gyro moment is not generated by this operation, that is, It is preferable to turn it up and down.

It should be noted that the traveling device main body 5 travels only on a flat place, so that the traveling device main body 5 does not tilt up and down, or because the traveling device main body 5 does not come up to speed, it tilts left and right due to the centrifugal force when turning right and left. In such a case, the effect can be obtained even if the directions of the rotating shafts 10 and 11 of the pair of flywheels 12 and 13 are not set to the same direction. It is conceivable that an effect can be obtained without arranging 11 in line symmetry. However, in the case described above, it is unlikely that a large gyro moment is generated. Therefore, there is no particular problem with the configuration having only one flywheel 8 as shown in FIG. There is no need to provide a pair of flywheels 12 and 13.

Further, the flywheels 12, 13 are arranged at substantially the intermediate positions of the wheels 4 before and after the inclination of the traveling device body 5 during traveling is relatively small, in order to fundamentally reduce the gyro moment. preferable.

FIG. 2 shows a second embodiment of the present invention, which has rotating shafts 10 and 11 extending vertically, and
A pair of flywheels 12, 1 rotating in opposite directions to each other
3 is arranged vertically above and below the same axis with respect to the traveling device main body 5.

In this case, the flywheels 12 and 13
The wheels 4 on the center line 14 of the traveling device body 5 and the front and rear
It is preferable to arrange them at almost the middle position of.

According to the present embodiment, the pair of flywheels 12 and 13 having the rotating shafts 10 and 11 extending in the vertical direction and rotating in opposite directions to each other are connected to the traveling device main body 5.
On the other hand, the gyro moments are arranged in the opposite directions when the traveling device main body 5 travels and the rotating shafts 10 and 11 of the flywheels 12 and 13 are tilted together with the traveling device main body 5 because the traveling device main body 5 travels. Is generated, and the generated gyro moments cancel each other, so that the gyro moment does not act on the traveling device main body 5 and the riding comfort becomes almost the same as that of a normal vehicle, and It is possible to prevent discomfort or the like from being given to a person who is in the middle.

Since the traveling device body 5 frequently moves up and down during traveling, it is preferable that the traveling device body 5 be oriented in a direction in which no gyro moment is generated by this operation, that is, in the up and down direction.

Further, the flywheels 12, 13 are arranged at substantially the intermediate positions of the wheels 4 before and after the inclination of the traveling device body 5 during traveling is relatively small, in order to fundamentally reduce the gyro moment. preferable.

Except for the above, it has the same configuration as that of the above-described embodiment, and can obtain the same operation and effect.

It should be noted that the present invention is not limited only to the above-described embodiment, and it is needless to say that various changes can be made without departing from the scope of the present invention.

[0050]

As described above, according to the electric traveling device of the present invention, when a flywheel rotating at a high speed is provided as an energy storage device, the gyro generated when the flywheel is tilted together with the traveling device body. It is possible to achieve an excellent effect that the moment can be canceled to prevent a person riding on the traveling device body from feeling uncomfortable or the like.

[Brief description of the drawings]

FIG. 1 is a schematic plan view of a first embodiment of the present invention.

FIG. 2 is a schematic side view of a second embodiment of the present invention.

FIG. 3 is a schematic plan view of a conventional example.

FIG. 4 is a schematic system diagram of an electric traveling device provided with a flywheel.

FIG. 5 is a schematic perspective view showing a generated gyro moment.

[Explanation of symbols]

 Reference Signs 4 Wheel 5 Traveling device main body 10, 11 Rotary axis 12, 13 Flywheel 14 Center line

Claims (5)

[Claims] 1. Rotating shafts (10) oriented in the same direction as each other
A pair of flywheels (12) and (13) having (11) and rotating in opposite directions extend in the front-rear direction of the traveling device body (5) with respect to the traveling device body (5). Center line (14) that divides the main body (5) into right and left
An electric traveling device, wherein the electric traveling device is disposed at a position which is line-symmetric with respect to. 2. Each flywheel (12) (13)
2. The electric traveling device according to claim 1, wherein the electric traveling device is disposed substantially at an intermediate position between the front and rear wheels of the traveling device main body. 3. Each flywheel (12) (13)
The electric traveling device according to claim 1 or 2, wherein the rotating shafts (10) and (11) are arranged in a vertical direction. 4. A rotating shaft (10) (1) extending in a vertical direction.
A pair of flywheels (12) and (13) having 1) and rotating in opposite directions to each other are arranged at upper and lower positions on the same straight line with respect to the traveling device body (5). Electric traveling device. 5. A flywheel (12) (13) extending in the front-rear direction of the traveling device main body (5), on a center line (14) that divides the traveling device main body (5) into right and left parts, and
5. The electric traveling device according to claim 4, wherein the electric traveling device is disposed substantially at an intermediate position between the front and rear wheels.