KR102080766B1 - Apparatus for overspeed prevention using electromagnetic induction - Google Patents

Abstract

The present invention relates to an electromagnetic induction speed preventing device for reducing the speed of a vehicle to a set reduction force forcibly by induced electromotive force applied to the vehicle by electromagnetic induction in place of the speed bump formed on the road surface. Both sides of the device are fixed to the ground at both ends of the road in the width direction, and the upper portion has a height set to allow the vehicle to pass therethrough, and an inner space surrounded by the electromagnet gate by supplying electric power to the electromagnet gate and the electromagnet gate applying the induced electromotive force to the vehicle. Including a power supply to generate a magnetic field region in the vehicle, when the vehicle enters the electromagnet gate to apply the induced electromotive force in the opposite direction of the entry direction, the speed is forcibly reduced; Direction by applying an induced electromotive force Forcibly decreases.

Description

Electromagnetic guided speed limit device {APPARATUS FOR OVERSPEED PREVENTION USING ELECTROMAGNETIC INDUCTION}

The present invention relates to an electromagnetic induction speed limiting device, and more particularly, electromagnetic induction speed limiting to forcibly reduce the speed of the vehicle by induced electromotive force applied to the vehicle by electromagnetic induction in place of the speed bumps projecting on the road. Relates to a device.

In general, speed bumps installed on roads are installed in accident risk areas, such as neighborhoods near schools or schools, so that the driving speed of vehicles driving in these areas can be forcibly reduced.

As shown in FIG. 1, the speed bumps SB protrude from the road surface to a certain height so that the driver of the vehicle VE in close proximity may reduce the speed by itself, and the upper surface may be curved in order to alleviate the impact when the vehicle crosses the speed bumps. Is done.

Nevertheless, the speed bumps SB still protrude from the road surface of the road RD to a certain height, thereby giving an impact such as suspension of the vehicle, and in the case of a vehicle having a low body, there is a risk of collision of the vehicle body bottom.

In addition, the speed bumps (SB) because the driver must directly reduce the driving speed, if you do not see the speed bumps (SB) can not lead to an accident without reducing the speed, there is a problem that it is difficult to adjust the exact speed reduction width.

Republic of Korea Utility Model No. 20-2012-0004062 Korea Utility Model Registration No. 20-0426989 Korea Utility Model Registration No. 20-0361409

The present invention is to solve the above problems, an electromagnetic induction formula for reducing the speed of the vehicle forcibly set by the induced electromotive force applied to the vehicle by electromagnetic induction instead of the speed bump formed on the road surface of the road It is intended to provide a speed preventing device.

To this end, the electromagnetic induction speed preventing device according to the present invention, both sides are fixed to the ground at both ends of the width direction of the road and the upper has a height set so that the vehicle can pass, the electromagnet gate for applying the induced electromotive force to the vehicle; And a power supply device for generating a magnetic field region in an inner space surrounded by the electromagnet gate by supplying power to the electromagnet gate, applying a induced electromotive force in a direction opposite to the entry direction when the vehicle enters the electromagnet gate. The speed is forcibly reduced, and when the vehicle exits from the electromagnet gate, the speed is forcibly reduced by applying induced electromotive force in a direction opposite to the advance direction.

At this time, the electromagnet gate is preferably a metal tube that becomes an electromagnet when the power supply by the power supply device.

The electromagnet gate may include an outer casing made of an insulating material; And a solenoid installed inside the outer casing and supplied with power by the power supply and wound one or more times along the outer casing.

In addition, the electromagnet gate is an outer casing made of an insulating material; And a toroid installed inside the outer casing, supplied with power by the power supply, and installed along the outer casing.

In addition, it is preferable to further include a speed reduction warning plate which is installed on the outside of the electromagnet gate, and displays a warning display that the driver in the driving vehicle can confirm that the speed is reduced by electromagnetic induction.

The apparatus may further include a power controller configured to control the power supply, wherein the power supply includes: a power input unit configured to receive power from an external source; A power converter configured to vary a current value of power input through the power input unit; And a power output unit for outputting the power converted by the power conversion unit to the electromagnet gate, wherein the power control unit includes a speed limit setting unit receiving a speed limit of a place where the electromagnet gate is installed from an administrator; And a speed limit current value calculator for controlling the power conversion unit according to the substituted current value data by replacing the set speed limit with a current value.

As described above, the present invention reduces the speed of the vehicle by using an electromagnet gate instead of the speed bumps protruding from the road surface through which the vehicle passes. Therefore, the structure protruding from the road surface of the road is completely removed.

In addition, since the speed of the vehicle being driven by the induced electromotive force is forcibly adjusted, the driver decelerates to the speed limit even if the driver does not decelerate separately, and the magnitude of the induced electromotive force is changed by adjusting the current value, thereby effectively adjusting the speed reduction range.

1 is a perspective view showing a speed bump according to the prior art.
2 is a perspective view showing an electromagnetic induction speed preventing device according to a first embodiment of the present invention.
3 is a schematic front view of FIG. 2.
4 is an operating state diagram of FIG. 2.
5 is a front view showing the electromagnetic induction speed preventing device according to a second embodiment of the present invention.
6 is a view showing a power supply unit of the electromagnetic induction speed preventing device according to the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the electromagnetic induction speed preventing apparatus according to a preferred embodiment of the present invention.

As shown in FIG. 2, in the electromagnetic induction speed preventing device of the present invention, both side portions 11 are fixed to the ground at both ends in the width direction of the roadway RD, and the upper portion 12 has a height set to allow the vehicle to pass therethrough. It includes an electromagnet gate 10 for applying an induced electromotive force. It also includes a power supply device 20 for supplying power to the electromagnet gate 10 to generate a magnetic field region in the inner space surrounded by the electromagnet gate 10.

Therefore, as shown in Equation 1 below, when the vehicle enters the electromagnet gate 10, induced speed is applied in the opposite direction of the entry direction to forcely reduce the speed of the vehicle. Thereafter, even when the vehicle advances from the electromagnet gate 10, the vehicle is applied with an induced electromotive force in a direction opposite to the entry direction to forcibly reduce the speed.

The present invention uses the induced electromotive force acting in the direction of disturbing the change of magnetic flux according to Lenz's Law instead of the speed bomp protruding a certain height on the road surface RD, It acts as a force to reduce the speed of the vehicle.

(Equation 1) ε = -N · ΔΦ / Δt, Φ = B × A

(Negative sign '-' is the direction to prevent the change of magnetic flux, N is the number of turns, Φ is the magnetic flux, t is the time, B is the magnitude of the magnetic field, and A is the area of the vehicle.)

In other words, the electromagnetic induction law is a kind of energy conservation law. When the vehicle VE passes through the electromagnet gate 10, the kinetic energy of the vehicle VE is converted into magnetic energy and the kinetic energy decreases, thereby reducing the speed of the vehicle VE. Decreases. This is the same when moving away after passing through the electromagnet gate 10, thereby preventing overspeed of the vehicle VE.

On the other hand, the portion exposed above the road (ground) of the both sides 11 of the electromagnet gate 10 described above is made of, for example, in the form of a bridge standing on both sides in the width direction of the road, the upper portion connecting the upper end ( 12), the overall shape is approximately '┏┓'.

Of course, as long as it provides a passage inside the vehicle VE to pass and at the same time can generate an electromagnetic induction phenomenon, the upper portion 12 is rounded to form an approximately '∩' shape or both legs are bent or curved. Various other shapes, such as forming, can also be applied.

In this case, as shown in FIG. 2, the electromagnet gate 10 may be a metal tube that becomes an electromagnet when powered by the power supply device 20. In this case, in addition to the metal tube, various known components such as a coil may be added so that the metal tube sufficiently functions as an electromagnet.

As can be seen from FIG. 3 seen from the front of the configuration of FIG. 2, the electromagnet gate 10 is embedded in the ground and firmly fixed, and may include a support frame 13 at the bottom of both sides 11. .

Since the electromagnet gate 10 applies an induced electromotive force to the vehicle VE in running, a force is also transmitted to the electromagnet gate 10 by the action and reaction thereto. Therefore, it is buried in the ground and fixed firmly. However, the present invention may be fixed to the ground surface in addition to the buried type, and a prefabricated structure will also be included in the scope of the present invention.

In addition, the power supply device 20 for supplying power to the electromagnet gate 10 of the metal tube type to make the electromagnet gate 10 an electromagnet is preferably buried in the ground with the lower end of the electromagnet gate 10 for safety. However, it can be installed on the ground for easy maintenance.

In FIG. 3, only the supply terminal 23, which is one component of the power supply device 20, is illustrated, but further includes essential power equipment such as a control box including a control button and a breaker, and a transmitter required for power conversion. Self-explanatory

In addition, in order to prevent an electric shock caused by contact with the metal tube electromagnet gate 10 exposed to the ground, an additional insulation shield may be installed to cover the outside of the metal tube. Do not do it.

In FIGS. 2 and 3, the speed reduction warning plate 14 installed at the top of the electromagnet gate 10 is installed outside the electromagnet gate 10 so that a driver in the vehicle VE may recognize that the speed is reduced by electromagnetic induction. Displays a warning.

The present invention is to remove the speed bumps (SB) protruding on the road surface of the road (RD), there is nothing on the road surface of the road and there is no protruding part of the road, so the driver 'blocks,' 'forced speed reduction' or 'electromagnetic induction' Warnings are displayed using characters such as 'forced expression reduction' and various symbols.

According to the present invention having the above configuration, as shown in FIG. 4A, when the vehicle VE travels from the right side to the left side with reference to the drawing, the magnetic flux formed inside the electromagnet gate 10 when entering the electromagnet gate 10 from the right rear side. A change occurs in the field (ie, the magnetic field region).

Therefore, induced electromotive force is applied to the vehicle VE in a direction opposite to the direction in which the vehicle VE travels (right side of the drawing). The induced electromotive force exerts a force (F = B · L · I · sinθ) on the vehicle VE in a direction opposite to the vehicle VE entry direction. That is, in the magnet concept, the repulsive force acts on the vehicle VE to force the speed.

Thereafter, even when the vehicle VE advances immediately after passing through the electromagnet gate 10 as shown in FIG. 4B, a change occurs in the magnetic flux field (that is, the magnetic field region) formed inside the electromagnet gate 10. Induced electromotive force is applied to the vehicle VE in a direction opposite to the direction in which the vehicle VE travels (right side of the drawing).

This invention applies a force (F = B · L · I · sinθ) in the direction opposite to the entry direction in accordance with Lenz's law. In addition, in the concept of a magnet, a force is applied to the vehicle VE to prevent the vehicle VE from exiting by force, and thus the speed is forcibly reduced.

Accordingly, the present invention reduces the speed of the vehicle VE without the speed bumps, and forcibly reduces the speed even if the driver does not intentionally operate the brakes. Furthermore, the faster the speed of the vehicle VE is, the larger the change in the magnetic flux field is, so the more the speed is, the greater the speed decreases.

Hereinafter, an electromagnetic induction speed preventing device according to another embodiment of the present invention will be described.

As shown in FIG. 5, an electromagnetic induction speed preventing device according to another exemplary embodiment of the present invention also has both side portions 11 fixed to the ground at both ends in the width direction of the roadway RD, and the upper portion 12 passes through the vehicle VE. It includes an electromagnet gate 10 having a height set so that the power supply device 20 for supplying power to the electromagnet gate 10.

Another embodiment of the present invention is characterized in that the electromagnet gate 10 includes an outer casing made of an insulating material and a solenoid 11a installed inside the outer casing and powered by the power supply device 20. It is. The solenoid is wound one or several times along the inside of the outer casing.

When the solenoid 11a is wound several times, the width of the outer casing (ie, the length in the vehicle driving direction) is increased by the designed length as if it is a tunnel, and the vehicle is moved by electromagnetic induction when passing through the tunnel type electromagnet gate 10. (VE) can be forcibly reduced.

Of course, although not shown, an electromagnetic induction phenomenon may also be applied to generate an electromagnetic induction phenomenon, in addition to a solenoid 11a wound along a cylindrical shape, a toroid wound around a toroid.

To this end, the electromagnet gate 10 includes an outer casing made of an insulating material and a toroid installed inside the outer casing, supplied with power by the power supply device 20, and installed along the inside of the outer casing.

Therefore, even when the vehicle VE enters or exits the electromagnet gate 10 including the solenoid 11a or the toroid, the induced electromotive force acts in a direction that prevents the change of the magnetic field, and thus the speed of the vehicle VE. Is forcibly reduced.

Hereinafter, power supply means for supplying power to the electromagnet gate 10 of the present invention will be described with reference to FIG. As shown in FIG. 6, the present invention further includes a power control unit 30 for controlling the power supply device 20.

At this time, the power supply device 20 is a power input unit 21 for receiving and supplying power from the outside, a power converter 22 for varying the current value of the power input through the power input unit 21 and the power And a power output unit 23 for outputting the power converted by the conversion unit 22 to the electromagnet gate 10.

The power input unit 21 may receive, for example, commercial power used by general consumers. However, when the present invention is installed on the roadside, the transformer may be supplied after converting the high voltage power of the transformer to low voltage.

The power conversion unit 22 may be a transformer for changing a current value according to an external control signal or a feedback signal, such as a switching mode power supply (SMPS), and the power output unit 23 may include a supply terminal and the like. Supply operating power to (10).

On the other hand, the power control unit 30 controls the power supply device 20, the speed limit setting unit 31 receives the speed limit of the place where the electromagnet gate 10 is installed from the manager and the set speed limit as the current value And a speed limit current value calculation unit 32 for controlling the power conversion unit 22 in accordance with the substituted current value data.

The speed limit setting unit 31 may be installed on the ground to allow operation and management, and includes an operation button or an operation lever for inputting a speed limit of a section in which the electromagnet gate 10 is installed.

Of course, the speed limit setting unit 31 may receive a setting value through a wired or wireless communication unit 33 and a communication codec (34). In this case, the speed limit setting may be performed remotely without setting the speed limit. Allows you to set the speed limit.

For example, whether the school zone, the one-way one-lane road, or the straightness is high for each section in which the electromagnet gate 10 is installed, the speed is limited by checking an area where there is a danger of overspeed. The lower the speed limit, the larger the current value.

As shown in Equation 2 below, when the current value supplied from the power supply device 20 to the electromagnet gate 10 is changed, the magnetic field size changes so that the speed of the vehicle VE is limited differently in each section.

That is, as shown in Equation 1, Φ = B × A at the induced electromotive force ε = −N · ΔΦ / Δt. Thus, Equation 2 below is derived. As can be seen from this, the induced electromotive force 'ε' corresponds to the change per unit time of the magnetic field B.

(Equation 2) ε =-(N · A · ΔB / Δt + N · B · ΔA / Δt)

(Negative sign '-' is the direction to prevent the flux change, N is the number of turns, t is the time, B is the magnitude of the magnetic field, and A is the area of the vehicle

In addition, the magnitude B of the magnetic field is controlled by the current value I in the case of the solenoid 11a, since B = μ · I · N, and in the case of the toroid, B = (μ · N) / 2 · π · r, It is also controlled by the current value I.

Of course, it can be seen from the magnitude of the electromagnetic force F = B · L · I · sin θ is also adjusted by the current value I, the present invention is to adjust the current value I to freely limit the speed limit of the vehicle (VE) within a certain range It can be seen that.

As described above, the present invention reduces the speed of the vehicle VE by using the electromagnet gate 10 instead of the speed bumps protruding from the road surface through which the vehicle VE passes. Therefore, the structure protruding on the road surface of the road RD is completely removed.

In addition, the speed of the driving vehicle VE is forcibly adjusted by the induction electromotive force, so that the driver decelerates to the limit speed even without a separate operation, and the magnitude of the induction electromotive force is changed by adjusting the current value, thereby effectively adjusting the speed reduction range. do.

In addition, even when induced electromotive force is applied to the vehicle VE, the exterior of the vehicle VE does not affect electronic products such as an ECU (Electroc Control Unit) inside the vehicle VE due to electrostatic shielding or a skin effect. . Thus, it can be seen that the present invention is sufficiently industrially applicable.

In addition, even if there is industrial availability as described above, in order to end the concern of electromagnetic waves, those skilled in the art, in addition to the above-mentioned electrostatic shielding, applying a material having a high permeability to the electromagnet gate 10 or blocking a path with a material through which electromagnetic force does not pass. It will be clear that the room can be devised.

For example, electrostatic shielding can create a shielding space even when objects are separated by a certain distance. Therefore, if the entire vehicle VE is shielded by placing a material capable of electrostatic shielding under the electromagnet gate 10, will the speed reduction effect due to manpower and repulsion be somewhat reduced. Only electronics inside the vehicle VE will be able to prevent damage to electronic components due to shielding.

In the above, the specific Example of this invention was described above. However, the spirit and scope of the present invention is not limited to these specific embodiments, and various changes and modifications can be made without departing from the spirit of the present invention. Those who have it will understand.

Therefore, since the embodiments described above are provided to completely inform the scope of the invention to those skilled in the art, it should be understood that they are illustrative in all respects and not limited. The invention is only defined by the scope of the claims.

10: electromagnet gate
11: both sides
12: top
13: support frame
14: warning sign
20: power supply
21: power input unit
22: power conversion unit
23: power output unit
30: power control unit
31: speed limit setting unit
32: speed limit current value calculation unit
33: wired and wireless communication unit
34: codec

Claims (6)

In the electromagnetic induction speed preventing device installed on the road to reduce the speed of the speeding vehicle (VE),
Both side portions 11 are fixed to the ground in the width direction both ends of the lane, the upper portion 12 has a height set so that the vehicle (VE) can pass, the electromagnet gate 10 for applying the induced electromotive force to the vehicle (VE); And
A power supply device 20 for generating a magnetic field region in an inner space surrounded by the electromagnet gate 10 by supplying power to the electromagnet gate 10.
When the vehicle VE enters the electromagnet gate 10, the induced force is applied in the opposite direction to the entry direction to forcibly decrease the speed.
When the vehicle (VE) advances from the electromagnet gate (10), the electromagnetic induction speed preventing device, characterized in that forcibly reducing the speed by applying an induced electromotive force in the opposite direction of the advance direction. The method of claim 1,
The electromagnet gate 10,
Electromagnetic-induced speed limiting device, characterized in that the metal tube to be an electromagnet when the power supply by the power supply (20). The method of claim 1,
The electromagnet gate 10,
An outer casing made of an insulating material; And
A solenoid (11a) installed inside the outer casing and supplied with power by the power supply device 20 and wound one or more times along the outer casing; Overspeed protection device. The method of claim 1,
The electromagnet gate 10,
An outer casing made of an insulating material; And
And a toroid installed inside the outer casing and supplied with power by the power supply device 20 and installed along the outer casing. The method according to any one of claims 1 to 4,
It is installed on the outside of the electromagnet gate 10, characterized in that it further comprises a speed reduction warning plate 14 for displaying a warning display that the driver in the driving vehicle (VE) to confirm that the speed is reduced by the electromagnetic induction Electromagnetic induction speed limiting device. The method according to any one of claims 1 to 4,
Further comprising a power control unit 30 for controlling the power supply device 20,
The power supply device 20,
A power input unit 21 for receiving and supplying power from the outside; A power conversion unit 22 for varying a current value of power input through the power input unit 21; And a power output unit 23 outputting the power converted by the power conversion unit 22 to the electromagnet gate 10.
The power control unit 30,
A speed limit setting unit 31 which receives a speed limit of a place where the electromagnet gate 10 is installed from a manager; And a speed limit current value calculator 32 for controlling the power converter 22 according to the substituted current value data by replacing the set speed limit with a current value. Prevention device.

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