KR20230013436A - Smart laser traffic light - Google Patents

Abstract

The present invention relates to a smart laser traffic light and, more specifically, to a smart laser traffic light, which can have lasers added to the traffic light so that pedestrians and drivers can easily recognize stop lines through emitted laser light. According to an embodiment of the present invention, The smart laser traffic light comprises: a body formed in an elongated shape; a speaker provided on a lower portion of the body to output a warning sound if an object touches emitted laser light; a plurality of LED lights provided on the body at predetermined intervals to receive a control signal from a control unit to emit red or green light; the control unit for receiving a pedestrian signal from a traffic signal controller; a laser emitting unit formed on an upper portion of the body to emit laser light; and an infrared sensor for detecting the object by the emitted laser light.

Description

Smart laser traffic light}

The present invention relates to a smart laser traffic light, and more particularly, to a smart laser traffic light by adding a laser to a traffic light so that pedestrians and drivers can easily recognize a stop line through emitted laser light.

In general, traffic lights are installed at crosswalks and intersections for smooth traffic flow of vehicles and safe crossing of the road by pedestrians. These traffic lights display a crossing signal for vehicles and pedestrians by turning on green and red lights for a predetermined time. In addition, stop lines are marked on crosswalks to prevent vehicles and drivers from passing according to the crossing signal.

However, there is a problem in that it is difficult for drivers and pedestrians to visually check the stop line of the crosswalk at night or in bad weather, and it is difficult to recognize it when the stop line is violated.

In addition, in the case of children, traffic accidents due to jaywalking frequently occur due to low awareness of traffic accidents.

In order to improve this, Korean Patent Registration No. 10-1631245 discloses a traffic signal auxiliary notification device using a laser. A first post erected; A second post erected on a second sidewalk adjacent to the other side of the crosswalk facing the first post; A laser beam of a predetermined color installed on the first post and projecting a laser beam of a predetermined color to the second post A laser light emitting unit that irradiates toward the first or second support and is installed on the first or second support in a direction facing the first or second support so that the laser beam is reflected in a zigzag pattern between the first and second support, so that the A laser beam fence forming unit that forms a fence with a laser beam; The laser beam emitted from the laser light emitting unit is diffusely reflected on the floor surface of the driving road between the first and second pillars to form a laser spot of a predetermined size. A laser spot formation unit to be formed; A control unit connected to a traffic light and controlling the laser light emitting unit to emit light when a vehicle stop signal of the traffic light is received; Installed on the first and second posts to enable drivers and pedestrians to A traffic signal supplementary notification device using a laser having a mist supply unit discharging mist in a direction in which the laser beam travels so as to facilitate confirmation of the laser beam has been proposed.

However, in the prior art as described above, laser recognition is possible with the naked eye only when fog is generated or mist is sprayed, and even if a vehicle or pedestrian touches the emitted laser, there is no notification of violation of the stop line, so there is a need for improvement.

The problem to be solved by the present invention is to provide a smart laser signal light in which an infrared sensor detects when a vehicle or a pedestrian touches the emitted laser and outputs a warning sound from a speaker in order to solve the problems of the conventional traffic light as described above. will be.

The present invention, in order to solve the problems of the conventional traffic light as described above, a body formed in a long shape; a speaker provided on the lower part of the body and outputting a warning sound when an object touches the emitted laser light; A plurality of LED flashing lights provided on the body at predetermined intervals and lit in red or green by receiving a control signal from a control unit; a control unit receiving a pedestrian signal from a traffic signal controller; a laser emission unit formed on the upper part of the body and emitting laser light; It may be configured to include; and an infrared sensor for detecting an object by the emitted laser light.

In addition, the plurality of LED flashing lights: 1) the step of turning on all LED flashing lights in red for a predetermined time from the start of the pedestrian waiting signal; 2) sequentially turning off the red LED flashing lights in proportion to the remaining time of the pedestrian waiting signal; 3) turning on all LED flashing lights in green for a predetermined time from the start of the pedestrian signal; and 4) sequentially turning off the green LED flickering lights in proportion to the remaining time of the pedestrian signal.

And, the laser emitting unit: a first laser emitting unit for emitting red laser light; and a second laser emitting unit emitting red laser light, wherein in steps 1) to 2), the first laser emitting unit emits laser light to a lower part of a traffic light installed on the other side of the crosswalk, and is determined by an infrared sensor. Detects an object within the range of, and in steps 3) to 4), the second laser emitting unit emits laser light to the lower part of the traffic light installed on the opposite side of the sidewalk and the crosswalk, and detects the object within a predetermined range by the infrared sensor. It may be configured to detect and output a warning sound from a speaker when an object touches the red laser light emitted from the laser emitter.

According to an embodiment of the present invention, the laser emitted from the traffic light is emitted over the stop line so that vehicles and pedestrians can easily recognize the stop line with the naked eye.

In addition, when a vehicle or a pedestrian crosses the stop line, a warning sound output from the speaker alerts them to the violation of the stop line, so that traffic accidents can be prevented.

1 is a perspective view of a smart laser traffic light according to an embodiment of the present invention.
2 is a schematic diagram showing an operation process of a smart laser traffic light according to an embodiment of the present invention.
3 is a perspective view illustrating a speaker for a smart laser signal according to an embodiment of the present invention.
4 is a diagram showing an installation example of a smart laser traffic light according to an embodiment of the present invention.

Hereinafter, various embodiments of this document will be described with reference to the accompanying drawings. However, it should be understood that this is not intended to limit the technology described in this document to specific embodiments, and includes various modifications, equivalents, and/or alternatives of the embodiments of this document. . In connection with the description of the drawings, like reference numerals may be used for like elements.

In this document, expressions such as "has," "may have," "includes," or "may include" indicate the existence of a corresponding feature (eg, numerical value, function, operation, or component such as a part). , which does not preclude the existence of additional features.

In this document, expressions such as “A or B,” “at least one of A and/and B,” or “one or more of A or/and B” may include all possible combinations of the items listed together. . For example, “A or B,” “at least one of A and B,” or “at least one of A or B” (1) includes at least one A, (2) includes at least one B, Or (3) may refer to all cases including at least one A and at least one B.

Terms used in this document are only used to describe a specific embodiment, and may not be intended to limit the scope of other embodiments. Singular expressions may include plural expressions unless the context clearly dictates otherwise. Terms used herein, including technical or scientific terms, may have the same meaning as commonly understood by a person of ordinary skill in the technical field described in this document. Among the terms used in this document, terms defined in general dictionaries may be interpreted as having the same or similar meanings as those in the context of the related art, and unless explicitly defined in this document, ideal or excessively formal meanings. not be interpreted as In some cases, even terms defined in this document cannot be interpreted to exclude the embodiments of this document.

Of course, various modifications can be made by those skilled in the art without departing from the gist of the present invention claimed in the claims of the present invention, and these modifications are the technical spirit of the present invention or It should not be understood individually from the perspective.

According to an embodiment of the present invention, the body formed in a long shape; a speaker provided on the lower part of the body and outputting a warning sound when an object touches the emitted laser light; A plurality of LED flashing lights provided on the body at predetermined intervals and illuminated in red or green by receiving a control signal from a control unit; a control unit receiving a pedestrian signal from a traffic signal controller; a laser emission unit formed on the upper part of the body and emitting laser light; It may be configured to include; and an infrared sensor for detecting an object by the emitted laser light.

As shown in FIG. 3, the speaker may be configured by forming a plurality of through holes in a predetermined pattern in the lower portion of the body. A warning sound can be output through a through-hole formed at an angle of 360 degrees in the lower part of the body, and the output warning sound can be recognized by pedestrians and drivers who have violated the stop line at any position within a predetermined range of the crosswalk.

In addition, the plurality of LED flashing lights: 1) the step of turning on all LED flashing lights in red for a predetermined time from the start of the pedestrian waiting signal; 2) sequentially turning off the red LED flashing lights in proportion to the remaining time of the pedestrian waiting signal; 3) turning on all LED flashing lights in green for a predetermined time from the start of the pedestrian signal; and 4) sequentially turning off the green LED flickering lights in proportion to the remaining time of the pedestrian signal.

In order for the pedestrian and the driver to estimate the remaining time of the walking lights, it is preferable that four or more LED flashing lights that are sequentially turned off are provided. In the embodiment of the present invention, 6 LED flashing lights are employed, and when the pedestrian signal is 12 seconds, the 6 LED flashing lights lit in green can be turned off one by one every 2 seconds from the top in proportion to the remaining time of the walking lights. After 12 seconds, a number of LED flashing lights that are all turned off can be turned on in red to indicate the waiting time for pedestrians.

In addition, the laser emitting unit: a first laser emitting unit for emitting red laser light; and a second laser emitting unit emitting red laser light, wherein in steps 1) to 2), the first laser emitting unit emits laser light to a lower part of a traffic light installed on the other side of the crosswalk, and is determined by an infrared sensor. Detects an object within the range of, and in steps 3) to 4), the second laser emitting unit emits laser light to the lower part of the traffic light installed on the opposite side of the sidewalk and the crosswalk, and detects the object within a predetermined range by the infrared sensor. It detects, and when an object touches the red laser light emitted from the laser emitter, a warning sound may be output from a speaker.

As shown in FIG. 4, the laser emitting units of the smart laser traffic lights installed on the opposite side (A) and the other side (B) of the crosswalk may be installed in opposite directions to emit laser light at a predetermined angle. The emitted laser light is formed in an X shape so that drivers and pedestrians can easily recognize the stop line. Since the X-shaped laser light can clearly check the position of the stop line with the naked eye even in rainy weather and at night, the occurrence of traffic accidents can be remarkably reduced.

1: first laser emitting unit
2: second laser emitting unit
3 : LED flashing light
4 : Speaker

Claims (3)

A body formed in a long shape;
a speaker provided on the lower part of the body and outputting a warning sound when an object touches the emitted laser light;
A plurality of LED flashing lights provided on the body at predetermined intervals and lit in red or green by receiving a control signal from a control unit;
a control unit receiving a pedestrian signal from a traffic signal controller;
a laser emission unit formed on the upper part of the body and emitting laser light; and
Smart laser traffic light, characterized in that configured to include; infrared sensor for detecting an object by the emitted laser light. The method of claim 1,
The plurality of LED flashing lights are:
1) the step of turning on all LED flashing lights in red for a predetermined time from the start of the pedestrian waiting signal;
2) sequentially turning off the red LED flashing lights in proportion to the remaining time of the pedestrian waiting signal;
3) turning on all LED flashing lights in green for a predetermined time from the start of the pedestrian signal; and
4) sequentially turning off the green LED flashing lights in proportion to the remaining time of the pedestrian signal; controlled according to,
A smart laser traffic light that displays the remaining time of the walking light and the waiting time of the pedestrian. According to claim 1 or claim 2,
The laser emitting part:
A first laser emitting unit for emitting red laser light; and
A second laser emitting unit for emitting red laser light; includes,
In steps 1) to 2), the first laser emitting unit emits laser light to the lower part of the traffic light installed on the other side of the crosswalk, detects an object within a predetermined range by an infrared sensor,
In steps 3) to 4), the second laser emitting unit emits laser light to the lower part of the traffic light installed on the opposite side of the sidewalk and the crosswalk, and detects an object within a predetermined range by an infrared sensor,
Characterized in that, when an object touches the red laser light emitted from the laser emitter, a warning sound is output from the speaker, the smart laser signal light.

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