JP3120789U - Display device for vehicle stop position on level crossing road - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display device of a vehicle stop position on a railroad crossing road that can clearly display the vehicle stop position of a railroad crossing and can greatly improve the safety in vehicle traffic.
A case in which a train detection sensor that detects the approach of a train and outputs a detection signal, and a cover 7 that is light transmissive and excellent in pressure resistance, is embedded in parallel to the vehicle stop line of the railroad crossing. 6, a plurality of LEDs 10 housed in the case 6 with the light emitting surface facing the cover 7 side, display control means for receiving a detection signal from the train detection sensor and controlling lighting of the LED 10, Equipped with.
[Selection] Figure 2

Description

  The present invention relates to a display device of a vehicle stop position on a crossing road that can clearly display a vehicle stop position of a crossing.

A railroad crossing is usually provided with a circuit breaker and an alarm device for urging the vehicle to stop, and a vehicle stop line is displayed in parallel with the rail to indicate the stop position.
In addition, a train detection sensor that detects the passage of a train is provided at a position away from the railroad crossing. When a detection signal is output from this train detection sensor, the circuit breaker and the alarm are activated, and the vehicle and the person Crossing is prohibited.

By the way, this kind of vehicle stop line has a drawback that white paint is applied on the road, and it is peeled off due to traffic of the vehicle or the like and fades with time. Also, the vehicle stop line was difficult to see at night and during rainfall.
As described above, when the vehicle stop line becomes unclear, the driver cannot stop the vehicle at an appropriate position, and there is a problem that the driver is in danger when passing the train.

  The present invention has been made in order to solve the above-described problems, and clearly shows the vehicle stop position of the crossing, and the vehicle stop position on the crossing road that can greatly enhance the safety of vehicle traffic. The object is to provide a display device.

In order to achieve the above object, a display device of a vehicle stop position on a railroad crossing according to the present invention includes a train detection sensor that detects the approach of a train and outputs a detection signal, and a cover that has light permeability and excellent pressure resistance. A case embedded in parallel with the vehicle stop line of the railroad crossing, a plurality of LEDs housed in the case with a light emitting surface facing the cover side, and a detection signal from the train detection sensor Display control means for controlling the lighting of the LED.
Further, the case is characterized in that the case is provided so as to cross the railroad crossing perpendicular to the vehicle stop line.
The LED is composed of blue and red LEDs, and the display control unit blinks the red LED when receiving the detection signal, and blinks the blue LED when the detection signal is not input. It is characterized by letting.

As described above, according to the display device of the vehicle stop position on the railroad crossing of the present invention, when the display control means receives the detection signal indicating the approach of the train, a plurality of LEDs parallel to the vehicle stop line of the railroad crossing are displayed. Since it is lit, the vehicle stop position is clearly displayed. Therefore, even if the vehicle stop position disappears thinly or is difficult to see at night or in the rain, the driver can accurately recognize the vehicle stop position, and the vehicle approaches the railroad crossing and contacts the train. This has the effect of avoiding dangers such as
In addition, since the plurality of LEDs are arranged perpendicular to the vehicle stop line and across the railroad crossing, even if the vehicle stop position is thinned and disappears, or it is difficult to see at night or in rainy weather, etc. There is an advantage that the driver can accurately grasp the railroad crossing and recognize the vehicle stop position.
Further, when the display control unit receives the detection signal, the red LED blinks, so that the driver can be alerted to the vehicle stop position as the train approaches. On the other hand, when the detection signal is not input, the blue LED is blinked, so that there is an advantage that it can be notified that the vehicle can start safely as the train passes.

Hereinafter, an embodiment of a display device of a vehicle stop position on a railroad crossing according to the present invention will be described in detail with reference to the drawings.
FIG. 1 is an explanatory view showing an outline of a railroad crossing provided with a vehicle stop position display device according to an embodiment of the present invention, and FIG. 2 is an exploded perspective view showing the vehicle stop position display device.
In this vehicle stop position display device, a plurality of cases 6 containing a plurality of LEDs 10 are embedded along the vehicle stop lines 4 and 5 provided on both sides of the level crossing 1 and stored on the level crossing barriers 2 and 3 side. The display controller 15 controls the lighting of the LED 10.

As shown in FIG. 2, the case 6 includes a cover 7 that is a long and narrow box that opens upward. The case 6 has a full length per one according to the length of the vehicle stop lines 4 and 5, and is formed of a material such as a high-strength metal or resin excellent in pressure resistance.
In addition, the case 6 has through holes provided in the front and rear side walls so that the cable 9 can be inserted therethrough.
Further, the case 6 has an inward stopper 6b protruding from the middle of the inner wall 6a so that the wiring board 8 is placed thereon.
The wiring substrate 8 is connected to the other end of a cable 9 having one end connected to a switch unit 17 described later.

The cover 7 has a rectangular shape that covers the upper opening, and is formed of a high-strength synthetic resin material that is light transmissive and excellent in pressure resistance.
When the cover 7 is applied to the upper opening of the case 6, the joint portion is waterproofed.
The case 6 formed in this way is embedded in parallel to the vehicle stop lines 4 and 5 so that a part of the cover 7 side is slightly exposed from the ground.
In addition, at the time of this embedding, a square light-transmitting portion 7a is generated corresponding to the position of each LED 10 (see FIG. 1). Thereby, when the LED 10 emits light, the light is emitted outward through the rectangular translucent portion 7a.

The LED 10 is a chip-type popular product without a color, and is connected to the pattern of the wiring board 8 and has a required number mounted thereon.
The LED 10 is connected to the switch unit 17 on the display control unit 15 side by connecting the core wire of the cable 9 to the wiring pattern via the terminal unit.
The display control unit 15 is housed in the main bodies 2 a and 3 a of the level crossing barriers 2 and 3 together with the level crossing control unit 12.
The railroad crossing control unit 12 operates the railroad crossing breakers 2 and 3 and the railroad crossing alarm device 14, and the output of the train detection sensor 11 is guided.
The train detection sensor 11 is installed at a location separated from the level crossing 1 along the rail R, and outputs a detection signal when a train traveling on the rail R approaches.

FIG. 3 is an electrical block diagram showing the display device of the vehicle stop position.
A train detection sensor 11 is connected to the railroad crossing control unit 12 and the display control unit 15 and outputs a detection signal to the railroad crossing control unit 12 and the display control unit 15 when an approach of the train is detected.
The level crossing control unit 12 has outputs connected to the level crossing breaker 13 and the level crossing alarm 14, and operates the level crossing breaker 13 and the level crossing alarm 14 in response to the detection signal.

The display control unit 15 controls lighting of the LED 10 and includes a memory and a timer. Then, the output of the setting operation unit 16 is guided and a control signal is given to the switch unit 17.
The setting operation unit 16 can set the lighting order and blinking timing of the LEDs 10 by an input operation.
The switch unit 17 includes a plurality of electronic switches, to which the plurality of LEDs 10 are connected, and is turned on / off in response to the control signal to turn on or blink the LEDs 10.
The LED 10 has an anode side connected to each contact of the switch unit 17 and a cathode side connected to the ground E.

The vehicle stop position display device configured as described above operates the setting operation unit 16 in advance to set the lighting mode of the LED 10.
When the use of the display device is started, when a detection signal is input from the train detection sensor 11, the display control unit 15 controls the switch unit 17 to turn on the plurality of LEDs 10.
Thereby, since LED10 parallel to the vehicle stop lines 4 and 5 of the railroad crossing 1 emits light, the vehicle stop position is clearly displayed.
Therefore, the driver can accurately recognize the vehicle stop position even if the vehicle stop lines 4 and 5 are thinned and disappear, or are difficult to see at night or in the rain.

FIG. 4 is an explanatory view showing an outline of a railroad crossing provided with a display device for a vehicle stop position according to another embodiment of the present invention.
In this vehicle stop position display device, the case 6 is arranged so as to be orthogonal to the vehicle stop lines 4 and 5 and cross the railroad crossing 1, and the other parts are substantially the same as those in the above embodiment, and only different parts are shown. explain.
That is, the case 6 is arranged on both sides of the crossing passage 1A. The level crossing crossing passage 1A forms a slope in accordance with the height of the rail R, and is divided into three parts, one side part 1a, a central part 1b, and the other side part 1c.
The case 6 is embedded in both side edges of these 1a to 1c so that the circular translucent part 7b is exposed as a part of the cover 7. A cable 9 is connected to each wiring board 8 on which a plurality of LEDs 10 are mounted, and each cable 9 is connected to the display control unit 15 via the switch unit 17.

Thus, when the use of the display device is started, when the detection signal is input from the train detection sensor 11, the LED 10 arranged to cross the railroad crossing 1 emits light, so that the vehicle stop position is clearly displayed.
Therefore, the driver can accurately recognize the vehicle stop position even if the vehicle stop lines 4 and 5 are thinned and disappear, or are difficult to see at night or in the rain.

In addition, in the said embodiment, although LED10 was made into the prevalent product without a color, you may use red LED and blue LED.
In this case, red LEDs and blue LEDs are alternately arranged, and each is connected to the switch unit 17.
Then, the setting operation unit 16 is operated, and the red LED is blinked when the detection signal is input, and the blue LED is blinked when the detection signal is not input.
Thereby, when the display control unit 15 receives the detection signal, the red LED is blinked, so that the driver can be alerted to the vehicle stop position as the train approaches.
On the other hand, when the detection signal is not input, the blue LED is blinked, so that it can be notified that the vehicle can be started safely as the train passes.

It is explanatory drawing which shows the outline | summary of the railroad crossing which installed the display apparatus of the vehicle stop position which is one Embodiment of this invention. It is an expansion | deployment perspective view which shows the display apparatus of the vehicle stop position in the level crossing road. It is an electrical block diagram which shows the display apparatus of a vehicle stop position. It is explanatory drawing which shows the outline | summary of the level crossing road which installed the display apparatus of the vehicle stop position which is other embodiment of this invention.

Explanation of symbols

6 Case 7 Cover 10 LED

Claims (3)

A train detection sensor that detects the approach of a train and outputs a detection signal; a case that includes a cover that is light transmissive and has excellent pressure resistance; and a case that is embedded in parallel to the vehicle stop line of the railroad crossing; A vehicle stop on a railroad crossing comprising a plurality of LEDs housed in the case with a light emitting surface facing and a display control means for receiving a detection signal from the train detection sensor and controlling lighting of the LEDs Position display device. 2. The display device of a vehicle stop position on a railroad crossing according to claim 1, wherein the case is provided so as to be orthogonal to the vehicle stop line and cross the railroad crossing. The LED is composed of blue and red LEDs, and the display control means blinks the red LED when receiving the detection signal, and blinks the blue LED when the detection signal is not input. The vehicle stop position display device on a railroad crossing road according to claim 1 or 2.

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