KR20050109227A - Railroad crossing of alarm unit - Google Patents

Abstract

The present invention relates to a light-emitting diode warning light for the railroad crossing alarm for warning the train access to pedestrians or vehicles passing through railroad crossings, and more specifically, the letters and red lights of "jeong" or "ji". The present invention relates to an improved railroad crossing alarm system that can secure safety for all vehicles and pedestrians by alerting three-dimensionally at the crossing of plane crossings.

The present invention for this purpose, each of the body is equipped with a light shield plate is configured to be installed back and forth with a character light that is repeatedly flashing / light and "red / flashing red" as "jeong" or "ji"; The letter lamp is provided with a light emitting diode array plate of a lens cover which repeatedly blinks / lights a red light emitting diode arranged as a "sperm" letter or a "ji" letter inside the red lens, and the red light is a red color disposed centrally from the inside of the red lens. The light emitting diode array plate of the lens cover for repeatedly blinking / light-emitting the light emitting diodes is characterized in that it is installed.

Description

Railroad crossing alarm {RAILROAD CROSSING OF ALARM UNIT}

The present invention is a three-dimensional visual train approach alarm by mounting two or four at the crossing of the plane crossing the front and rear by mounting the letters "red" or "ji" characters and red lights as the LED warning lights for suspension type alarms It is an improved railroad crossing alarm system that can notify all passengers and promote the safety of all vehicles and pedestrians.

Railroad crossings where roads and railroads intersect are equipped with railroad crossing crossings to block the access of cars and people while the train is passing by. In general, railroad guards are guarded at railroad crossings, and radios, etc. confirm that trains are coming and operate breakers. In other words, it is a safety equipment installed at the crossing where the railroad and the road intersect the plane.Inform the pedestrian in advance that the train is approaching a certain time before the train passes the crossing, and then stop all vehicles and pedestrians. The purpose is to prevent.

There is also a railroad crossing that is equipped with an unmanned railroad crossing blocker, which is a security device that is automatically activated when a signal of a train approaching is detected. Railroad crossings where these crossing blockers are installed may also be provided with warning devices such as warning lights and sirens, to draw the attention of pedestrians. Conventionally, a train detecting device detects a train approaching a crossing, a crossing warning device that warns a road pedestrian of the train's approach with an alarm sound and an alarm, and temporarily blocks road traffic until the train approaches and crosses the crossing. It consists of a crossing board breaker, and an obstacle detection device that detects obstacles such as a broken car on the crossing board.

However, in the conventional alarm system as described above, only a warning is displayed because a train is coming, or only a prohibition sign indicating that a train must not be crossed is allowed. Therefore, a passenger who wanted to use the railroad crossing had to wait.

The present invention invented a three-dimensional suspension type alarm to solve the above problems, and unlike the conventional alarm, the light emitting diode alarm light is mounted on the front and rear of the body of the letter "jeong" or "ji" letters and red lights All vehicles to be passed by allowing two or four sets of lights to be visually stereoscopically sensed through the flashing of the text "Stop" and each red light on the back of the plane crossing crossing warning of the train approach. Its purpose is to provide a railroad crossing alarm system that can promote the safety of pedestrians.

The present invention for achieving the above object is configured to be installed in the body is equipped with a light shield plate, respectively, the character lamp to be repeatedly flashing / light and "red" flashing red / flashing back and forth with "jeong" or "ji"; The letter lamp is provided with a light emitting diode array plate of a lens cover which repeatedly blinks / lights a red light emitting diode arranged as a "sperm" letter or a "ji" letter inside the red lens, and the red light is a red color disposed centrally from the inside of the red lens. The light emitting diode array plate of the lens cover for repeatedly blinking / light-emitting the light emitting diodes is characterized in that it is installed.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a state diagram showing a railroad crossing alarm system according to an embodiment of the present invention, the present invention is a light emitting diode alarm light for the railroad crossing alarm for warning the train access to a pedestrian or a vehicle passing through a railroad crossing location, Alarm lamps have, for example, chromaticity coordinates of 0.693 and 0.307 and visibility of 11.5 and higher. The LED warning lamp of the present invention is a signal lamp of a suspension type alarm, and is mounted on the front and rear surfaces of the body 30 of the letter light 10 and the red light 20 of the "jeong" or "ji" characters three-dimensionally at the crossing of the plane crossing. It is a visually improved railroad crossing alarm system that can alert all vehicles and pedestrians by warning.

The body 30 is a character light (10) to be repeatedly flashing / light and "red" or "ji" in the body 30 is a red light (20) to be flashing / flashing front and back integrally installed, this character light (10 ) And red light beams 20 are installed on the light shielding plates 31 and 32, respectively, to increase luminous intensity and prevent rain or dust. Red letters 33 and 33 'are coupled to the letter lamp 10 and the red lamp 20, respectively, and the light emitting diode array plates 35 and 35' of the lens covers 34 and 34 'are disposed therein. Each will be installed.

The red lenses 33 and 33 'are made of metal krill resin material or polycarbonate molding material or glass equivalent or more having sufficient weather resistance, and are free of bubbles, foreign matters, stains and other harmful grooves. The wavelength of the warning light lens is in the range of 6400-7000 angstroms. Therefore, when the daylight shines and the light is used at 80% of the rated voltage, it can be clearly recognized at 100 meters or more in front of the center line, and in the horizontal direction at 60 degrees or more at 20 degrees on the left and right, and at 60 degrees or more at 15 degrees below the horizontal. Can be.

Accordingly, the light emitting diode array plate 35 of the letter lamp 10 is repeatedly flashed by a high brightness red light emitting diode arranged in "sperm" or "edge" by the power supplied from the flashing card 40 as an electric circuit board. Lights up. At the same time, the red light emitting diode array plate 35 ′ of the red light 20 is also repeatedly blinked / lighted. In this case, the luminance is 24 cd or more on the center line, and ± 24 V is supplied from an external power supply unit (not shown) to the electric circuit board (rated current is 540 ± 150 mA).

2 is a detailed view of the character and red light shown in Figure 1, the LED warning light of the present invention is a character light (10, 10 ') that is repeatedly flashing / flashing "jeong" and "ji" And red lights (20, 20), each of which flashes / lights in red, are installed in two sets. That is, one set of the letter light 10 and the red light 20 of the "jeong" character, another set of the character light 10 'and red light 20 of the "ji" character, and 24V from the flashing card 40 Each COM (-) is connected. This flashing card 40 is supplied from a power supply unit, where + 24V and -24V are not shown.

The 24V and COM (-) terminals 1 and ③ are located on the terminals 1 and 3 of the letter "10" on the front of the head, and the terminals 2 and 3 terminals of the character string (10 ') of the "ji" on the other side. They are connected to the terminals ① and ② of the red lights (20, 20) on the back, respectively. Therefore, the high brightness red light emitting diodes arranged as "sperm" characters and "ji" of the character lamps 10 and 10 'by the operation of the flashing card 40 are repeatedly flashed / lighted and the red lamps 20 and 20. The red light emitting diode arranged at the center of the C) will also be repeatedly flashed / lit at the same time.

3 is a circuit diagram for explaining the railroad crossing alarm system of the present invention. The + 24V and -24V of the flashing card 40 shown in FIG. 2 are connected to the test button SW1 through a parallel security device (SURGE ABSORBER: SAB1, SAB2). ) And diode D5 are respectively connected. The security device operates at less than 1 ns when an instantaneous abnormal voltage is generated, and the discharge start voltage is 300 V or less. The relay contacts RL1-4 through the resistors R8 and R7 and the diode D5 are respectively connected, and the field effect transistor Q1 is connected through the zener diode D4 and the variable resistor VR1 in parallel. . Parallel thyristors SCR1 and SCR2 are connected to each other according to the energization of the field effect transistor Q1, and the contact switches AL1-1 and AR1-2 and the four switches are operated by the operation of the thyristors SCR1 and SCR2. The output stages are connected respectively. Relays AL1 are provided at the contact switches AL1-1 and AL1-2, and contacts of separate relays RL1-3 are installed.

The output terminal is the 24V and COM (-) shown in FIG. 2, and the terminals ① and ③ in the character lamp 10 of the "positive" face (or the terminals ② and ③ in the character lamp 10 'of the "ji" character). ) Are respectively connected to the ① and ② terminals in each of the red lights (20) and (20). With the current test button (SW1) pressed, the relay (AL1) is energized and repeatedly blinks / lights as "positive" and "edge" connected to the output terminal through the relay contacts AL1-1 and AL1-2. The lamps 10 and 10 'and the red lamps 20 and 20 flashing / lighting red respectively are tested.

After the test, the test button (SW1) is operated to normally operate the character lamp (10, 10 ') that is repeatedly blinking / lighting with the "positive" and "ji" and the red light (20, 20) which is blinking / lighting in red, respectively. ) Is connected upward, the field effect transistor Q1 is energized through the zener diode D4, and the thyristors SCR1 and SCR2 are energized. At this time, the relay AL1 is not energized and is connected to the output terminals connected to the thyristors SCR1 and SCR2, respectively, and the letters " 10 " The red lights 20 and 20 that are blinking / lighting in red are operated.

FIG. 4 is a diagram illustrating an operation state of the character lamp shown in FIG. 2 in another form, wherein the high-brightness red light emitting diodes arranged in "sperm" and "ji" of the character lamps 10 and 10 'are "positive"; Arrange so that the ruler and "edge" rule overlap.

FIG. 5 is a layout view for operating the characters shown in FIG. 4, and FIG. 5 (a) shows a plurality of resistors and relays while arranging a plurality of high brightness light emitting diodes in which letters “jeong” and “ji” are duplicated. Install RY1). Connect ① or ② to the + terminal and ③ to the-terminal to make a common terminal.

Therefore, ① and ③ are "sperm" characters as shown in Figure 5 (b), the high-brightness LED is lit, and when sperm blinks, ② and ③ are "ji" characters as shown in Figure 5 (c). As described above, the high brightness light emitting diode is turned on. Where o is the off state of the light emitting diode, and o indicates the on state of the light emitting diode. Therefore, it is possible to display "positive" and "paper" sequentially in characters of one body.

In addition, the relay RY1 is installed between ② and ③ to display "positive" "ji", and then to repeatedly display "positive" "ji" and the relay contact RY1-1 shown in FIG. 3. The relay contact (RY4) is activated so that "positive" "edge" flashes / lights as before.

FIG. 6 is an operation state diagram in which the railroad crossing alarm system of the present invention is installed, and the railroad crossing alarm system of the present invention is a traffic light of the suspension type alarm, and the characters such as "jeong" and "ji" in FIG. ') And red lights (20, 20) are installed at the front and rear of the railroad (1) and the road (2) crossing the front and rear four by one apart from the front and rear. This is the left or right side of the railway "jeong" letter lamp 10 and red light 20 is installed integrally, while "ji" letter lamp 10 'and red light 20 is also integrated. . At this time, the red light (20, 20) is installed to look toward each other while the letter lights (10, 10 ') of the "jeong" and "ji" is installed to the outside.

The railroad crossing alarm system of the present invention constituted as described above is provided with four bodies 30 on the left and right sides of the railway 1, and the body 30 has a "jeong" and " The letter "10", "ji", "jeong", "ji" on the ascending or descending road (2) side because the letter lights (10, 10 ') and the red lights (20, 20) of the "ji" are mounted. As the character lamps 10 and 10 'are repeatedly flashing / lighting at the same time, the four red lights 20 arranged inside the railroad 1 visually deviating are also blinking / lighting red at the same time.

It is equipped with four front and rear shading plates, and four body-mounted traffic lights are installed in front and rear of railroad crossings, with the letters that are flashing / lighting repeatedly as “jeong” or “ji” and the red lights flashing / blinking before and after the railroad crossings. As a result, four red lights are visually arranged as traffic lights across the street while the characters such as "jeong", "ji", "jeong", and "ji" are repeatedly blinking / lighting on a person waiting on an uphill or downhill road. At the same time, red flashing / lighting is activated.

Therefore, the railroad crossing alarm system of the present invention blinks the letters "10", "ji", "jeong", and "ji" at the same time by the traffic lights in front of the eyes of people waiting at the crossing. It will be appreciated that the four red lights 20, which are visually arranged by the traffic lights on the other side while being turned on / off, are also blinking / lighting red at the same time.

Although the present invention has been described as an example of repeating flashing / lighting by arranging high-brightness light emitting diodes at regular intervals between a character lamp and a red lamp, the present invention may be modified and modified in various forms within the scope not departing from the technical gist, and "stopping". "You can use a stop or other character instead of the" character.

As described above, according to the suspension type alarm of the present invention, unlike a conventional alarm, a plane that alerts the train access by mounting a letter light and a red light of "jeong" or "ji" on the front and back of the body with a light emitting diode alarm light. At the intersection crossing, two or four sets of lights can be visually stereoscopically detected through the blinking of the text "Stop" and the red lights on the back to ensure the safety of all vehicles or pedestrians passing through. Can provide railroad crossing alarms.

In addition, although the technical idea of the railroad crossing alarm system of the present invention has been described based on the drawings, this is by way of illustration of the best embodiment of the present invention by way of example and not by the claims of the present invention. It will be apparent to those skilled in the art that various modifications and imitations can be made without departing from the scope of the technical idea of the present invention.

1 is a state diagram showing a railroad crossing alarm system according to an embodiment of the present invention,

FIG. 2 is a view showing a character lamp and a red lamp shown in FIG. 1;

3 is a circuit diagram for explaining a railroad crossing alarm system of the present invention;

4 is an operating state diagram showing the character lamp and the like shown in FIG. 2 in another form;

5 is a layout view for operating a character lamp shown in FIG. 4;

6 is an operation state diagram installed the railroad crossing alarm of the present invention.

* Explanation of symbols for the main parts of the drawings

10: character

20: red light

30: body 31, 32: shading plate

40: flashing card

Claims (3)

Each of the bodies provided with the shading plate is configured to be installed with the character lamps that are repeatedly blinking / lighting and the red lights that are blinking / lighting red and red as "jeong" or "ji"; The letter lamp is provided with a light emitting diode array plate of a lens cover which repeatedly blinks / lights a red light emitting diode arranged as a "sperm" letter or a "ji" letter inside the red lens, and the red light is a red color disposed centrally from the inside of the red lens. Railroad crossing alarm, characterized in that the light emitting diode array plate of the lens cover for repeatedly blinking / lighting the light emitting diodes is installed. The railroad crossing alarm system according to claim 1, wherein the high brightness red light emitting diodes arranged as "sperm" letters and "ji" letters such as letters are arranged so that "sperm" letters and "ji" letters overlap. The method according to claim 1 or 2, The + 24V and -24V terminals of the flashing card are connected to relay contacts through a test button and a diode through parallel security devices, and a field effect transistor is connected through a zener diode and a variable resistor in parallel. Parallel thyristors are connected to each other according to the energization of the railroad crossing, and the contact switch (AL1-1, AR1-2) and four output terminals are connected to each other by the operation of the thyristors (SCR1, SCR2).