KR102329989B1 - Device for pedestrian safety signal - Google Patents

Abstract

The present invention relates to a signal device for pedestrian safety, which is installed on both sides of a crosswalk entrance and sprays a mist while emitting light identical in color to a crosswalk traffic light. As a result, visibility can be enhanced and pedestrian safety can be ensured. The present invention includes: two light-transmitting main bodies installed with an interval on both sides of a crosswalk entrance; light emitters formed in the main bodies and generating light in directions facing each other; mist sprayers formed on the main bodies and spraying mists in the same directions as the light from the light emitters; a memory unit presetting and storing drive time for driving the mist sprayers; and a control unit connected to a crosswalk traffic light controller, controlling the operations of the light emitters in conjunction with a control signal from the traffic light controller, and controlling the driving of the mist sprayers in accordance with the drive time stored in the memory unit.

Description

Device for pedestrian safety signal

The present invention relates to a pedestrian safety signal device, which is installed on both sides of the entrance of a crosswalk, and generates light of the same color as a traffic light installed in the crosswalk and sprays a mist liquid to increase visibility to ensure pedestrian safety It relates to a pedestrian safety signal system.

A crosswalk is a pedestrian section of a road that allows pedestrians to safely cross a road in which a vehicle is traveling.

Pedestrian traffic lights are installed in these crosswalks to guide pedestrians, and general pedestrian traffic lights indicate whether pedestrians can pass with a red light, which is a pedestrian stop signal, and a green light, which is a pedestrian walking signal.

Pedestrian traffic lights are installed at a certain height from the ground, but pedestrians who use cell phones with their heads down, pedestrians with poor eyesight, and the elderly have difficulty in checking the signals.

Korean Patent Registration No. 10-2127321 (registration of June 22, 2020) describes a floor-type walking traffic light, and according to the disclosed technology, an upper case having a flat upper surface, and coupled with the upper case A case including a lower case (lower case) is formed (case); LED panel (LED panel) formed on the inside of the upper case; and a light controller for receiving a control signal from the outside and controlling light emission of the LED panel according to the control signal, the protrusion structure including a plurality of first protrusions on an upper side thereof is formed, and the first protrusion has a polygonal pyramid shape, and the light emission control unit includes: an information receiver for receiving a control signal including weather information related to at least one of a snowfall amount and an hourly rainfall amount from the outside; a height information obtainer for obtaining information on the height of the protruding structure; and an illumination intensity controller that controls the light emission of the LED panel according to the control signal, but controls the illumination of the LED panel according to a result of comparing height information and weather information.

Korean Patent No. 10-2100443 (registered on April 7, 2020) describes a floor-type pedestrian traffic light auxiliary device. According to the disclosed technology, in a floor-type pedestrian traffic light auxiliary device that operates in conjunction with the traffic light of the crosswalk and is buried and exposed in the ground at both ends of the crosswalk, a plurality of LED chips are integrated on the upper part to irradiate light upward PCB board; a support member of an insulator positioned under the PCB substrate to support the PCB substrate; a heat sink laminated on top of the PCB board to receive heat emitted from the PCB board, and a heat sink having a plurality of through holes formed therein so that the LED chip can penetrate and be exposed to the outside; a heat dissipation frame positioned under the support member to support the PCB substrate together with the support member, the heat dissipation frame receiving heat from the heat sink and emitting it to the ground; at least one heat dissipation fin formed through the heat dissipation plate and the heat dissipation frame to transfer the heat of the heat dissipation plate to the heat dissipation frame; Heat dissipation means for absorbing and dissipating heat generated from the PCB substrate; and a molding that integrally combines the PCB substrate, the support member, the heat sink and the heat radiation frame, and prevents moisture from penetrating into the PCB substrate. It is characterized in that it further includes a plate-shaped expansion plate body that is in contact with the heat sink to easily conduct the heat source to the heat radiation fin, and induce the conducted heat to be easily conducted to the heat radiation frame.

As described above, in the related art, a floor-type pedestrian traffic light device is buried in the ground adjacent to a crosswalk in order to quickly and clearly recognize a change in a signal of a pedestrian traffic light. When it rains, it was difficult to identify it due to flooding, and there was a problem that the product had a short lifespan due to failure or damage due to various external factors such as rainwater infiltrating the inside of the device or applying an impact from the outside.

In addition, since the floor-type pedestrian traffic light device has to be buried in the ground after removing the sidewalk block and forming a hole when installing the floor-type pedestrian traffic light device, the construction is complicated and time-consuming. It was difficult to visually identify the light emitted from the pedestrian traffic light device in bright daylight.

Korean Patent No. 10-2127321 Korean Patent Registration No. 10-2100443

The technical problem to be achieved by the present invention is to solve the problems described above, and it is installed on both sides of the entrance of the crosswalk, and the visibility is improved by spraying the mist while emitting light of the same color as the traffic light installed in the crosswalk. It provides a pedestrian safety signal device to secure pedestrian safety.

In order to solve this problem, according to one feature of the present invention, two body parts that transmit light and are spaced apart from each other at regular intervals on both sides of the entrance of the crosswalk; light emitting units respectively formed inside the main body to generate light in opposite directions; an aerosol spraying unit formed on the upper portion of the main body and configured to spray the misting liquid in the same direction as the light emitted from the light emitting unit; a memory unit for presetting and storing a driving time for driving the aerosol injection unit; and a control unit connected to the traffic light controller installed in the crosswalk to control the operation of the light emitting unit in conjunction with a control signal generated from the traffic light controller, and to control the driving of the aerosol injection unit according to the driving time stored in the memory unit. It provides a pedestrian safety signal system that includes.

In one embodiment, the mist spraying unit is formed on the upper portion of the body portion, the receiving member for accommodating the mist; a compressed air supply member connected to the accommodating member to supply compressed air into the accommodating member; And it is formed on the upper portion of the accommodating member, characterized in that it comprises a spray member for spraying the mist liquid accommodated in the accommodating member by the compressed air supplied from the compressed air supply member to the outside.

In one embodiment, the mist spraying unit is formed under the receiving member, characterized in that it further comprises a heater member for generating heat.

In one embodiment, it characterized in that it further comprises a speaker unit for outputting the guide voice.

In one embodiment, it is formed on one side of the main body, characterized in that it further comprises an approach sensor for detecting the approach of the pedestrian.

In an embodiment, the control unit is characterized in that when the approach detection unit detects the approach of the pedestrian, to generate a voice output signal for outputting a guide voice.

In one embodiment, it is formed on the outer surface of the main body, characterized in that it further comprises an illuminance sensing unit for sensing the illuminance.

In one embodiment, the control unit, characterized in that to control the amount of compressed air supplied from the compressed air supply member according to the illuminance sensed by the illuminance sensing unit.

According to the present invention, by spraying aerosol solution while simultaneously providing the light of the same color as the walking signal or stop signal provided by the pedestrian traffic light to the entrance of the crosswalk, to increase the visibility of the light in the daytime as well as at night, the head is lowered Even a pedestrian who has difficulty recognizing a signal of a pedestrian traffic light, such as when his or her condition or eyesight is poor, has the effect of easily checking a walking signal or a stop signal.

In addition, it is made of a pillar of a certain height and can be fixedly installed on the ground on both sides of the entrance of the crosswalk, so construction is easy. and easy maintenance.

1 is an installation state diagram of a pedestrian safety signal device according to a first embodiment of the present invention.
2 is a block diagram illustrating a pedestrian safety signal device according to a first embodiment of the present invention.
FIG. 3 is a view for explaining the mist spraying unit in FIG. 1 .
4 is a block diagram illustrating a pedestrian safety signal device according to a second embodiment of the present invention.
5 is a block diagram illustrating a pedestrian safety signal device according to a third embodiment of the present invention.
6 is a block diagram illustrating a pedestrian safety signal device according to a fourth embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those of ordinary skill in the art to which the present invention pertains can easily implement them. However, since the description of the present invention is merely an embodiment for structural or functional description, the scope of the present invention should not be construed as being limited by the embodiment described in the text. That is, since the embodiment may have various changes and may have various forms, it should be understood that the scope of the present invention includes equivalents capable of realizing the technical idea. In addition, since the object or effect presented in the present invention does not mean that a specific embodiment should include all of them or only such effects, it should not be understood that the scope of the present invention is limited thereby.

On the other hand, the meaning of the terms described in the present invention should be understood as follows.

Terms such as “first” and “second” are for distinguishing one component from another, and the scope of rights should not be limited by these terms. For example, a first component may be termed a second component, and similarly, a second component may also be termed a first component.

When a component is referred to as being “connected” to another component, it may be directly connected to the other component, but it should be understood that other components may exist in between. On the other hand, when it is mentioned that a certain element is "directly connected" to another element, it should be understood that the other element does not exist in the middle. Meanwhile, other expressions describing the relationship between elements, that is, “between” and “immediately between” or “neighboring to” and “directly adjacent to”, etc., should be interpreted similarly.

The singular expression is to be understood as including the plural expression unless the context clearly dictates otherwise, and terms such as "comprises" or "have" refer to the described feature, number, step, action, component, part or these It is intended to indicate that a combination exists, and it should be understood that it does not preclude the possibility of the existence or addition of one or more other features or numbers, steps, operations, components, parts, or combinations thereof.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Terms defined in the dictionary should be interpreted as being consistent with the meaning of the context of the related art, and cannot be interpreted as having an ideal or excessively formal meaning unless explicitly defined in the present invention.

Now, a pedestrian safety signal device according to an embodiment of the present invention will be described in detail with reference to the drawings.

1 is an installation state diagram of a pedestrian safety signaling device according to a first embodiment of the present invention, and FIG. 2 is a block diagram illustrating a pedestrian safety signaling device according to a first embodiment of the present invention.

1 to 2 , the pedestrian safety signal device 10 includes the body parts 100 and 200 , the light emitting part 300 , the mist spraying part 400 , the memory part 500 , and the control part 600 . includes

The main body parts 100 and 200 are provided in two pieces, are installed at a predetermined distance at both sides of the entrance of the crosswalk, and transmit the light generated from the light emitting part 300 to be described later to the outside.

In one embodiment, the body parts 100 and 200 may be installed to face each other on both sides of the entrance of the crosswalk, as shown in FIG. 1 .

In one embodiment, the body parts 100 and 200 are manufactured in a cylindrical or polygonal column shape using various materials such as iron, aluminum, and stainless steel, and can be installed on both sides of the pedestrian road corresponding to the entrance of the crosswalk. have.

In an embodiment, the body parts 100 and 200 may be covered with a cushioning material such as urethane or silicone on the outer surface to alleviate external shock. For this reason, by mitigating the impact when a pedestrian or a vehicle collides, damage to the body parts 100 and 200 or the vehicle and injury to the pedestrian can be prevented.

In an embodiment, the main body parts 100 and 200 may be formed of a transparent material that emits light from the light emitting unit 300, and the remaining part is made of a material through which light does not pass.

In one embodiment, the body parts 100 and 200 are provided with a flange at the bottom, and a plurality of anchor bolts can be vertically inserted to be fixed to the pedestrian road. Of course, it can be fixed using a fixing method.

The light emitting unit 300 is formed inside the body parts 100 and 200, respectively, and generates light in directions facing each other.

In one embodiment, the light emitting unit 300 is formed in the interior of one body portion 100 and the other body portion 200 spaced apart by a predetermined distance on a straight line, respectively, in a direction facing each other. can cause

In an embodiment, the light emitting unit 300 may have a plurality of LEDs installed to selectively generate red and green light.

The mist spraying unit 400 is formed on the upper portions of the body parts 100 and 200 , respectively, and sprays the mist in the same direction as the light generated by the light emitting unit 300 . Here, as the mist liquid, water or a natural vegetable oil system that is harmless to the human body may be used.

In one embodiment, the aerosol spraying unit 400 may increase the visibility of light emitted from the light emitting unit 300 even in bright broad daylight by spraying the misting liquid into fine particles to make the surroundings cloudy.

The memory unit 400 sets and stores a driving time for driving the aerosol injection unit 400 in advance.

In an embodiment, the memory unit 400 sets and stores the driving time so as to drive the aerosol injection unit 400 in the time period except for the dark night after sunset in consideration of this because the sunset and sunrise times for each season are different. Also, if necessary, the driving time may be set and stored so that the aerosol spraying unit 400 can be continuously driven while light is emitted from the light emitting unit 300 .

The control unit 500 is connected to the traffic light controller installed in the crosswalk to control the operation of the light emitting unit 300 in conjunction with the control signal generated by the traffic light controller, and according to the driving time stored in the memory unit 400 , the mist liquid Controls the driving of the injection unit 400 .

In one embodiment, the control unit 500 is connected to the traffic light controller installed in the crosswalk so that when the red light is turned on at the pedestrian traffic light, the light emitting unit 300 is turned on in red, and the green light is turned on at the pedestrian traffic light. In this case, the operation of the light emitting unit 300 may be controlled so that the light emitting unit 300 is lit in green.

The pedestrian safety signal device 10 having the configuration as described above sprays aerosol while simultaneously providing light of the same color as a walking signal or a stop signal provided by a pedestrian traffic light to the entrance of the crosswalk, not only at night but also during the daytime By increasing the visibility of the light, even a pedestrian who has difficulty recognizing a signal of a pedestrian traffic light, such as a state with his head bowed or poor eyesight, can easily check a walking signal or a stop signal.

In addition, the main body parts 100 and 200 are made of pillars of a predetermined height and can be fixed and installed on the ground on both sides of the entrance of the crosswalk, so construction is easy, and it eliminates the risk of flooding in the rain, so it has excellent discrimination ability even in rain. However, by minimizing damage, the life span is extended and maintenance is easy.

FIG. 3 is a view for explaining the mist spraying unit in FIG. 1 .

Referring to FIG. 3 , the mist spraying unit 400 includes a receiving member 410 , a compressed air supply member 420 , and a spraying member 430 .

The accommodating member 410 is formed on the upper portion of the body portion 100, and accommodates the aerosol solution.

In one embodiment, the accommodating member 410 is a water tank for storing the mist liquid therein, and is preferably made of a metallic material.

The compressed air supply member 420 is connected to the accommodating member 410 and supplies compressed air to the inside of the accommodating member 410 under the control of the controller 500 .

In one embodiment, the compressed air supply member 420 is composed of an air pump, an air compressor, etc., may be connected to the receiving member 410 through a connection pipe, the connection pipe is provided with a valve for controlling the amount of compressed air can be

The injection member 430 is formed on the accommodating member 410 and sprays the mist liquid accommodated in the accommodating member 410 to the outside by the compressed air supplied from the compressed air supply member 420 .

In one embodiment, the spray member 430 may suck the mist liquid by the compressed air supplied from the compressed air supply member 420 and spray it in the form of fine particles having a diameter of 10 μm or less.

The aerosol spraying unit 400 having the configuration as described above may further include a heater member (not shown in the drawings for convenience of explanation).

The heater member is formed under the receiving member 410 to generate heat.

In an embodiment, the heater member is composed of a ceramic heater, and may heat the aerosol solution accommodated in the accommodating member 410 .

Accordingly, by spraying the heated mist, freezing caused by the cold wave in winter is prevented and pedestrians can feel the warmth.

4 is a block diagram illustrating a pedestrian safety signal device according to a second embodiment of the present invention.

Referring to FIG. 4 , the pedestrian safety signal device 10 includes the body parts 100 and 200 , the light emitting part 300 , the mist spraying part 400 , the memory part 500 , the controller 600 , and the speaker part. (700). Here, the main body parts 100 and 200 , the light emitting part 300 , the aerosol spraying part 400 , the memory part 500 , and the control part 600 are similar to the components of FIGS. 1 and 2 , so the description thereof will be omitted. and only the other parts are explained below.

The speaker unit 700 is formed in the body unit 100 and outputs a guide voice.

In an embodiment, the speaker unit 700 may output various guide voices stored in advance in the memory unit 500 to the outside under the control of the control unit 600 .

The pedestrian safety signal device 10 having the above-described configuration is such that a guide voice such as 'It is a red light', 'It is a blue light', 'Please step back because it is dangerous' is output through the speaker unit 700 . Thus, pedestrian safety can be improved.

5 is a block diagram illustrating a pedestrian safety signal device according to a third embodiment of the present invention.

Referring to FIG. 5 , the pedestrian safety signal device 10 includes body parts 100 and 200 , a light emitting unit 300 , a mist spraying unit 400 , a memory unit 500 , a control unit 600 , and an approach sensing unit. (800). Here, the main body parts 100 and 200 , the light emitting part 300 , the aerosol spraying part 400 , the memory part 500 , and the control part 600 are similar to the components of FIGS. 1 and 2 , so the description thereof will be omitted. and only the other parts are explained below.

The approach detecting unit 800 is formed on one side of the main body 100 to detect the approach of a pedestrian.

At this time, the control unit 500 may control the driving of the speaker unit 1500 when the approach detection unit 800 detects the approach of the pedestrian, and accordingly, the pedestrian using the approach detection unit 800 . By automatically outputting a guide voice through the speaker unit 700 when detected, the guide function can be efficiently performed.

In one embodiment, the approach sensing unit 800 may be formed on the outer surface of any one or more of the front, rear, left, and right surfaces of the main body 100, and may generate an approach signal by detecting the approach of a pedestrian. .

In an embodiment, the approach detection unit 1400 may include an infrared sensor, and a voltage may be applied when the pedestrian approaches, and the voltage may be turned off when the pedestrian is separated by a predetermined distance or more.

The pedestrian safety signal device 10 having the configuration as described above transmits a signal to the control unit 800 when the approach detection unit 800 is installed at a predetermined position and the approach of the pedestrian is detected, and the signal received By operating the speaker unit 700 , the control unit 800 may automatically perform a guidance function when a pedestrian approaches, and induce the pedestrian to step back so as not to block the light emitted from the light emitting unit 300 . can do.

6 is a block diagram illustrating a pedestrian safety signal device according to a fourth embodiment of the present invention.

Referring to FIG. 6 , the pedestrian safety signal device 10 includes body parts 100 and 200 , a light emitting unit 300 , a mist spraying unit 400 , a memory unit 500 , a control unit 600 , and an illuminance sensing unit. (900). Here, the main body parts 100 and 200 , the light emitting part 300 , the mist spraying part 400 , the memory part 500 , and the control part 600 are similar to the components of FIGS. and only the other parts are explained below.

The illuminance sensor 900 is formed on the outer surface of the main body 100 to sense the illuminance.

In an embodiment, the illuminance sensor 900 may be a digital illuminance sensor, and may be electrically connected to the controller 600 to sense the current illuminance and transmit the signal to the controller 600 .

At this time, the controller 600 controls the amount of compressed air supplied from the compressed air supply member 420 according to the illuminance sensed by the illuminance sensor 900 .

For example, when the illuminance sensed by the illuminance sensing unit 900 is equal to or greater than a preset illuminance, the amount of compressed air supplied from the compressed air supply member 420 is increased, and the illuminance sensed by the illuminance sensing unit 900 is preset. When the illumination is less than, the amount of compressed air supplied from the compressed air supply member 420 may be reduced.

On the other hand, in order to adjust the amount of compressed air supplied from the compressed air supply member 420, the power supplied to the compressed air supply member 420 may be controlled, or may be adjusted using a valve.

The pedestrian safety signal device 10 having the above-described configuration controls the amount of compressed air supplied from the compressed air supply member 420 according to the illuminance, thereby controlling the amount of spraying of the mist liquid sprayed through the spraying member 430 . By doing so, it is possible to prevent unnecessary loss of aerosol solution and to use it efficiently.

Above, the embodiment of the present invention is not implemented only through the above-described apparatus and/or operation method, but through a program for realizing a function corresponding to the configuration of the embodiment of the present invention, a recording medium in which the program is recorded, etc. It may be implemented, and such an implementation can be easily implemented by an expert in the technical field to which the present invention pertains from the description of the above-described embodiments.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improved forms of the present invention are also provided by those skilled in the art using the basic concept of the present invention as defined in the following claims. is within the scope of the right.

10: pedestrian safety signal device
100, 200: body part
300: light emitting part
400: mist spraying part
410: receiving member
420: compressed air supply member
430: injection member
440: heater member
500: memory unit
600: control unit
700: speaker unit
800: approach detection unit
900: illuminance sensing unit

Claims (5)

Two body parts that transmit light and are spaced apart from each other at regular intervals on both sides of the entrance of the crosswalk;
light emitting units respectively formed inside the main body to generate light in opposite directions;
an aerosol spraying unit formed on the upper portion of the main body, respectively, for spraying the misting liquid in the same direction as the light emitted from the light emitting unit;
a memory unit for presetting and storing a driving time for driving the aerosol injection unit;
a control unit connected to a traffic light controller installed in a crosswalk to control the operation of the light emitting unit in conjunction with a control signal generated from the traffic light controller, and control the driving of the aerosol spray unit according to the driving time stored in the memory unit; and
It is formed on the outer surface of the main body, and includes an illuminance sensing unit for sensing illuminance,
The mist spraying unit,
a accommodating member formed on the upper portion of the main body to receive a mist solution;
a compressed air supply member connected to the accommodating member to supply compressed air into the accommodating member; and
It is formed on the upper portion of the accommodating member, and includes a spraying member for spraying the mist liquid accommodated in the accommodating member to the outside by the compressed air supplied from the compressed air supply member,
The control unit is
Pedestrian safety signal device, characterized in that for controlling the amount of compressed air supplied from the compressed air supply member according to the illuminance sensed by the illuminance sensing unit.
delete According to claim 1, wherein the mist spraying unit,
Pedestrian safety signal device formed under the receiving member, characterized in that it further comprises a heater member for generating heat.
According to claim 1,
Pedestrian safety signal device further comprising a speaker unit for outputting a guide voice.
5. The method of claim 4,
Pedestrian safety signal device formed on one side of the main body, characterized in that it further comprises an approach detection unit for detecting the approach of the pedestrian.

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