KR20210039794A - Warning light emitting signbord system at curve road for vehicle - Google Patents

Abstract

The present invention relates to a hazard warning light-emitting type sign system when turning a curve in a vehicle. Before a vehicle driving in the in-course of the road enters a curve, the hazard warning light-emitting type sign system when turning a curve in a vehicle detects a vehicle entry state behind a curve which is not visible from the curve, or the car accident state, and induces the driver to drive defensively, so that the system can warn in advance.

Description

Hazard warning when turning a car's curve {WARNING LIGHT EMITTING SIGNBORD SYSTEM AT CURVE ROAD FOR VEHICLE}

The present invention relates to a hazard warning light-emitting sign system when turning a curve of a vehicle, and a curve turning of a vehicle capable of warning in advance to induce defensive driving to a driver by detecting an accident state of a vehicle occurring in a curve of a road City hazard warning relates to a luminous sign system.

In general, Korea has about 4,440 mountains, and the forest area is very large.

National highways are formed in these mountains, and most national highways consist of a curve or a sharp curve due to the topography of the mountain.

Accordingly, the traffic accident rate is increasing year by year, and the mortality rate is also high due to the nature of the curve accident.

As a conventional technique, an invention such as Korean Utility Model Publication No. 20-0230067 (name of invention: curve traffic accident prevention device) has been proposed.

The problem to be solved by the present invention is that before a vehicle running on an in course of a road enters a curve, the vehicle entry state behind a curve that is not visible from the curve or the vehicle To detect an accident condition and to induce a defensive driving to a driver, it is to provide a hazard warning light-emitting sign system that can warn in advance when turning a car's curve.

In order to solve the above problems, the present invention provides a vehicle entry state behind a curve that is not visible from a curve before a vehicle running on an in course of a road enters a curve, or In a warning light-emitting sign system that can alert a vehicle in advance to detect an accident state of a vehicle and induce a defensive driving to a driver, a warning sign system for danger when turning a curve of a vehicle, exiting the out course of the curve It is installed in the vicinity, and is mounted on the first light-emitting type sign and the first light-emitting type sign for displaying characters or symbols required for the road traffic sign with light of the first LED according to the light emission control operation of the first central processing unit, Including a first distance measurement sensor unit for generating a distance detection beam in the in-course direction of the curve, and the vehicle running in the in course enters the curve Previously, the vehicle is stopped on the in course of the curve where the driver's view is not secured, or the vehicle running on the out course is the in course of the curve. When the first distance measurement sensor detects that the lane is invading the lane by (in course), the first LED part is emitted to the driver of the vehicle who intends to enter the in-course of the curve, and a letter or symbol It is possible to provide a danger warning light-emitting sign system when turning a curve of a vehicle, characterized in that the warning or danger is displayed.

In addition, the hazard warning light-emitting sign system when the vehicle turns the curve is installed in the vicinity of attempting to enter the out course of the curve, and according to the light emission control operation of the second central processing unit, the second LED unit Further comprising a second light-emitting type sign for displaying a letter or symbol required for a road traffic sign, wherein the second light-emitting type sign generates a distance detection beam in an out course direction of the curve. It includes a second distance measuring sensor unit to allow the vehicle to stop on the out course of the curve, or the vehicle on the in course of the curve. When the second distance measurement sensor detects that the second distance measurement sensor is invading the lane in an out course, the vehicle is running on the out course to enter the out course of the curve. It is possible to display a danger or warning with a character or symbol while emitting the second LED unit to the driver of

In addition, the first light-emitting type sign is required for the management of the first light-emitting type sign or the second light-emitting type sign transmitted wirelessly from the first central processing unit. A signal is wirelessly transmitted to a mobile device, or a signal for controlling the operation of the first or second light-emitting sign, transmitted by the user from the mobile device, is wirelessly transmitted to the first central processing unit. It includes a wireless communication module to receive, the second light-emitting type sign is mounted with a first RF communication module connected in series with the wireless communication module, the first central processing unit is the received through the wireless communication module A signal required for management of the first luminous sign or the second luminous sign is received and transmitted to the first RF communication module, and the wireless communication module may transmit and receive through a communication method through a radio base station.

In addition, the first emissive sign or the second emissive sign is equipped with a motion detection sensor and a thermal imaging camera in the direction of the curve, and wild animals invade the curve, and the motion detection sensor Alternatively, when detected by the thermal imaging camera, the warning light may be operated while sounding a warning sound through the speaker.

In addition, the first light-emitting type sign or the second light-emitting type sign has a tension sensor and a guard rail capable of detecting the tensile force of the wire in one direction. Further comprising a wire blocking unit for cutting the wire when a predetermined repulsive force is generated in the wire while being bent, and the wire blocking unit has a semicircular shape with an inlet through which the wire enters, and the other side through which the wire can exit. A case with an outlet formed therein; An inner member embedded in the case and formed in a semicircular shape so that the wire passes through the inlet to the outlet direction; A first cutter blade disposed to contact the wire at the inlet between the case and the inner member, and a second cutter blade disposed to contact the wire at the outlet between the case and the inner member, and When one side is attached to a guard rail installed in the curve section and the other side is connected to the tension sensor, when a vehicle hits the guard rail and is damaged, the first light-emitting sign or the The second emissive sign may display a warning message to warn a vehicle entering the curve.

In addition, the first emissive sign or the second emissive sign may include a rain sensor for detecting snow or rain; Further comprising a photographing device equipped with a temperature sensor for sensing external temperature and a photometric sensor for measuring light reflectance, when rain or snow is detected by the rain sensor, or when the temperature sensor detects a temperature below the freezing point, The photographing device photographs the road surface of the curve, and the first central processing unit or the second central processing unit captures the visual information of the road surface of the curve as a curve in which the first central processing unit or the second central processing unit is not frozen. It is determined whether the curve is icing based on the average deviation of light reflectance by comparing the visual information of the road surface of the road, and when the icing of the curve is determined, the first light-emitting sign or the second light emission. The type sign may indicate a risk of freezing or a warning by using characters or symbols while emitting the first LED unit or the second LED unit.

In addition, the hazard warning light-emitting sign system when the vehicle turns the curve is arranged between the first light-emitting sign and the second light-emitting sign when the curve is a'U' shape and a sharp curve. As a result, according to the light emission control operation of the third central processing unit, the light from the third LED unit is separated by a predetermined distance in the direction of the third light-emitting type sign and one side of the second light-emitting type sign to display characters or symbols required for road traffic signs. And a fourth light-emitting sign that displays characters or symbols required for a road traffic sign according to the light emission control operation of the fourth central processing unit, and the third light-emitting sign A third distance measurement sensor unit for generating a distance detection beam in the direction of the fourth light-emitting signpost through an in course of a curve; A fourth distance measurement sensor unit that generates a distance detection beam in the direction of the first light-emitting sign through an out course of the curve, and the wireless communication module or the first RF communication module are connected in series A second RF communication module, wherein the fourth luminous sign passes an out course of the curve and generates a distance detection beam in the direction of the second luminous sign And a third RF communication module connected in series with the unit and the wireless communication module, the first RF communication module, or the second RF communication module.

In addition, the first to fourth light-emitting signs include first to fourth optical fibers for condensing light from the first to fourth LEDs, and the first to fourth LEDs are red. , Blue, Yellow, and White may emit any one color light.

The hazard warning light-emitting sign system according to an exemplary embodiment of the present invention detects a vehicle accident occurring in a curve of a road in advance and warns a following vehicle in advance, thereby preventing an accident. have.

1 is a plan view showing a road traffic light-emitting sign system for warning of danger when a vehicle turns a curve according to a first embodiment of the present invention.
2 is a perspective view showing a first light-emitting type sign shown in FIG. 1.
3 is a block diagram of the first light-emitting type sign shown in FIG. 2.
4 is a plan view illustrating a hazard warning light-emitting sign system when a vehicle turns a curve according to a second exemplary embodiment of the present invention.
5 is a perspective view showing a second light-emitting type sign shown in FIG. 4.
6 is a block diagram showing a hazard warning light-emitting sign system when a vehicle turns a curve according to a third embodiment of the present invention.
7 is a perspective view illustrating a state in which a motion detection sensor, a thermal imaging camera, a speaker, and a warning light are mounted on a first light-emitting type sign according to a fourth embodiment of the present invention.
8 is a perspective view showing a state in which a tension sensor and a wire blocking part are mounted on a first light-emitting type sign according to a fifth embodiment of the present invention.
9 is a perspective view showing a state in which a rain sensor, a temperature sensor, and a photographing device are mounted on a first light-emitting sign according to a sixth embodiment of the present invention.
10 is a plan view showing a road traffic light-emitting sign system for warning of danger when turning a curve of a vehicle according to a seventh embodiment of the present invention

Hereinafter, the description of the present invention with reference to the drawings is not limited to a specific embodiment, and various transformations may be applied and various embodiments may be provided. In addition, the content described below should be understood to include all conversions, equivalents, and substitutes included in the spirit and scope of the present invention.

In the following description, terms such as first and second are terms used to describe various elements, and their meanings are not limited, and are used only for the purpose of distinguishing one element from other elements.

The same reference numbers used throughout this specification denote the same elements.

The singular expression used in the present invention includes a plurality of expressions unless the context clearly indicates otherwise. In addition, terms such as "comprise", "include" or "have" described below are intended to designate the presence of features, numbers, steps, actions, components, parts, or combinations thereof described in the specification. It is to be construed and not to preclude the possibility of the presence or addition of one or more other features, numbers, steps, actions, components, parts, or combinations thereof.

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

1 is a plan view showing a road traffic light-emitting sign system for warning of danger when a vehicle turns a curve according to a first embodiment of the present invention, and FIG. 2 is a perspective view showing a first light-emitting sign shown in FIG. 1, 3 is a block diagram of the first light-emitting type sign shown in FIG. 2.

Referring to FIGS. 1 to 3, the danger warning light-emitting sign system when a vehicle turns a curve is visible in a curve section before a vehicle running on an in course of a road enters a curve. It is possible to detect a vehicle entry state behind a curve or an accident state of the vehicle, and to induce a defensive driving to the driver, so that a warning may be made in advance.

Here, the curve may be a curved road C1 in which the opposite entry side is not observed from one entry side.

A warning light-emitting sign system for warning of danger when turning a curve of a vehicle may include a first light-emitting sign 100.

The first light-emitting signage 100 may be installed near a vehicle exiting an out course of a curve. The first light-emitting type sign 100 may display characters or symbols required for the road traffic sign by using the light of the first LED unit 120 according to the light emission control operation of the first central processing unit 110.

Red, blue, yellow, and white LEDs may be used as the first LED unit 120. A plurality of first LED units 120 may be disposed on the first emissive sign 100 in pixel units.

Here, in the first LED unit 120, at least one of red, blue, yellow, and white LEDs may be disposed in an area of 1 cm 2.

In addition, in the first LED unit 120, red, blue, yellow, and white LEDs are disposed inside the first light-emitting type sign 100, and the light of the LED is optical fiber. It can be condensed with and radiated to the outside.

In addition, instead of the first LED unit 120, the first emissive sign 100 may use a TFT LCD (Thin Film Transistor Liquid Crystal Display) and an OLED (Organic Light Emitting Diode).

In addition, the first light-emitting sign 100 is arranged on both sides of the first LED unit 120, and a hinge is configured on one side so that both sides are adjusted to an angle of a'V' shape, and the out course of the curve ( It is possible to increase the visibility of signs and difference limen of drivers turning out course and in course.

The first central processing unit 110 may include a component that serves as a mainboard or a motherboard. In addition, the first central processing unit 110 may include a printed circuit board (PCB) that provides an interface for mounting main components for operating a system such as a CPU or RAM and connecting peripheral devices. The first central processing unit 110 may include a CPU, a sound card, a network card, a RAM, and a storage device. Further, the first central processing unit 110 may be an ASIC circuit or an FPGA circuit. In addition, the first central processing unit 110 may include a plurality of universal data input/output devices and two universal asynchronous receivers/transmitters (UARTs). In addition, the first central processing unit 110 may process data transmitted from the data bus. In addition, the first central processing unit 110 may include a universal data input/output port terminal connected to a plurality of universal data input/output devices and a UART connection terminal connected to a UART. In addition, the first central processing unit 110 may include a timer logic unit (not shown) and a power logic unit (not shown).

Here, a known technique may be applied to the timer logic unit and the power logic unit.

The first emissive sign 100 may include a first distance measurement sensor unit 130 that generates a distance detection beam B1 in an in course direction of a curve.

Here, the distance detection beam B1 may be an infrared beam or a laser beam.

The first distance measurement sensor unit 130 may measure a distance in real time. The first distance measurement sensor unit 130 projects an infrared laser in a straight line in parallel to form two or more infrared points on the vehicle, and after photographing an infrared image with a camera, the distance between the sensor and the object is determined according to the angle of the optical device of the camera. Can be calculated. A plurality of the first distance measurement sensor unit 130 may be disposed while being spaced apart at a predetermined interval. The first distance measurement sensor unit 130 is to be mounted on the edge of the first light-emitting type sign 100, or the post 150 supporting the first light-type sign 100 or the first light-emitting type sign 100. I can.

Here, the first distance measurement sensor unit 130 may be mounted at a height or angle capable of shooting the distance detection beam B1 toward the license plate attached to the vehicle.

In addition, the first distance measurement sensor unit 130 may be fixed to the holding stand 150 through a length adjustment bracket (not shown) so as to move to one side or the other side.

The first distance measurement sensor unit 130 is a vehicle that is running on an in course, before entering a curve, the vehicle is stopped or out in an area D1 where the driver's view is not secured. When detecting that a vehicle invades a lane in an in course direction of a curve in an out course, a detection signal may be transmitted to the first central processing unit 110.

Here, the first light-emitting signage 100 is a first LED unit 120 to the driver of a vehicle who intends to enter the in course of the curve according to the light emission control operation of the first central processing unit 110. Danger or warning can be indicated with letters or symbols while illuminating.

The first central processing unit 110 curves when the distance detection beam B1 of the first distance measurement sensor unit 130 detects a vehicle in the S1 section and there is no change in the distance of the distance detection beam B1. It can be determined that the car is stopped on the in course. In the first central processing unit 110, the distance detection beam B1 of the first distance measurement sensor unit 130 detects a vehicle in the S2 section, and the change in the distance value of the distance detection beam B1 decreases in the S1 section. At the time, it can be determined that the car is invading the lane from the out course of the curve to the in course.

The first emissive sign 100 may include a power supply unit 160.

The power supply unit 160 may supply external power to the first LED unit 120, the first distance measurement sensor unit 130, and the first central processing unit 110. In addition, the power supply unit 160 may include a rechargeable battery so that power can be supplied even in the event of a power outage.

In addition, the first emissive sign 100 is equipped with a photovoltaic power generation device (not shown) on the top, and an auxiliary rechargeable battery (not shown) that can store power of the photovoltaic power generation device (not shown) therein. In addition, a cooling/heater (not shown) capable of cooling and heating by receiving power from a solar power generation device (not shown) or an auxiliary rechargeable battery (not shown) may be mounted.

Here, the cooler and heater (not shown) may include a cooler, a warmer, an air circulation fan, and a dehumidifier.

Accordingly, it is possible to prevent a malfunction of the first light-emitting type sign 100 due to a high or low temperature during a hot or cold season.

4 is a plan view illustrating a danger warning light-emitting sign system when a vehicle turns a curve according to a second exemplary embodiment of the present invention, and FIG. 5 is a perspective view illustrating a second light-emitting sign shown in FIG. 4.

4 and 5 according to the second embodiment of the present invention, the danger warning light-emitting sign system when the vehicle turns a curve is the second light-emitting type shown in FIGS. 4 and 5 compared to FIGS. 1 to 3. It contains the same components except for the addition of signs. Accordingly, the same reference numerals are assigned to the same components, and duplicate descriptions of the same components are omitted, and the added components will be described as the center.

Referring to FIGS. 4 and 5, a warning light-emitting sign system for warning of danger when turning a curve of a vehicle according to the second embodiment of the present invention may include a second light-emitting sign 200.

The second light-emitting signage 200 may be installed in the vicinity of a vehicle attempting to enter an out course of a curve.

The second light-emitting sign 200 may include a second central processing unit 210, a second LED unit 220, a second distance measurement sensor unit 230, a holding stand 250, and a power supply unit 260. have.

The second central processing unit 210, the second LED unit 220, the second distance measurement sensor unit 230, the holding stand 250, and the power supply unit 260 are the first center of the first light-emitting type sign (100). Since the processing device 110, the first LED unit 120, the first distance measurement sensor unit 130, the post 150 and the power supply unit 160 may have the same structure and function, a duplicate description will be omitted. In this case, the composition and effects that are different will be described.

The second distance measurement sensor unit 230 is a vehicle stopped on an out course of a curve, or a vehicle is a lane from an in course of a curve to an out course. When detecting the invasion of, the detection signal may be transmitted to the second central processing unit 210.

Here, the second light-emitting sign 200 is a second LED unit 220 to the driver of the vehicle who intends to enter the out course of the curve according to the light emission control operation of the second central processing unit 210. Danger or warning can be indicated with letters or symbols while illuminating.

The second central processing unit 210 curves when the distance detection beam B2 of the second distance measurement sensor unit 230 detects a vehicle in the S3 section and there is no change in the distance of the distance detection beam B2. It can be judged that the car is stopped on the out course of. When the distance detection beam B2 of the second distance measurement sensor unit 230 detects a vehicle in section S3 and the change in the distance value of the distance detection beam B2 decreases, the second central processing unit 210 It can be judged that the lane is invading the lane from the in course of the curve to the out course.

On the other hand, the hazard warning light-emitting sign system according to the second embodiment of the present invention is to increase the visibility of the signs of drivers turning the curve, the first light-emitting sign 100 and An auxiliary light-emitting sign (not shown) may be further disposed near the in course opposite the second light-emitting sign 200.

Here, the auxiliary light-emitting sign (not shown) may be interlocked with the first light-emitting sign 100 and the second light-emitting sign 200 by wire or wirelessly.

6 is a block diagram illustrating a hazard warning light-emitting sign system when a vehicle turns a curve according to a third exemplary embodiment of the present invention.

In contrast to FIGS. 4 and 5, the system for warning of danger when turning a curve of a vehicle according to the third embodiment of the present invention shown in FIG. 6 is wirelessly applied to the first emissive sign shown in FIGS. 4 and 5. It further includes a communication module, and includes the same components except that the first RF communication module is added to the second light-emitting type sign. Accordingly, the same reference numerals are assigned to the same components, and duplicate descriptions of the same components are omitted, and the added components will be described as the center.

6 and 7, the first emissive sign 100 manages the first emissive sign 100 or the second emissive sign 200 wirelessly transmitted from the first central processing unit 110 For controlling the operation of the first luminous sign 100 or the second luminous sign 200 transmitted by a user from the mobile device (M) or wirelessly transmitting a signal necessary for the mobile device (M). Can send a signal. The first emissive sign 100 may include a wireless communication module 140 that is wirelessly received by the first central processing unit 110.

The wireless communication module 140 may transmit and receive in a communication method through a radio base station (R). The wireless communication module 140 may transmit and receive in a 3rd generation mobile telecommunications (3G) or 4th generation mobile telecommunications (4G) communication method through a radio base station R. In addition, the wireless communication module 140 may use infrared (IR), Bluetooth, ZIGBEE, WiFi, and radio frequency (RF) communication methods.

Here, the first central processing unit 110 receives a signal required for management of the first emissive sign 100 or the second emissive sign 200 received through the wireless communication module 140 and receives the first RF communication. It can be delivered to the module 240.

The second emissive sign 200 may include a first RF communication module 240 connected in series with the wireless communication module 140.

Here, the first RF communication module 240 connected in series with the wireless communication module 140 is not connected through the wireless communication module 140 and a radio base station, but is connected in series, thereby reducing communication costs. have.

On the other hand, the first luminous sign 100 or the second luminous sign 200 is equipped with a GPS sensor and a smoke detection sensor (not shown) at the bottom to detect a fire in a vehicle or a fire in the surrounding environment, and wirelessly It is possible to notify the user or 119 of the mobile device M of the fire and the location of the first emissive sign 100 or the second emissive sign 200.

7 is a perspective view illustrating a state in which a motion detection sensor, a thermal imaging camera, a speaker, and a warning lamp are mounted on a first emissive sign according to a fourth embodiment of the present invention.

The first emissive sign according to the fourth embodiment of the present invention illustrated in FIG. 7 is a motion detection sensor and a thermal imaging camera in the first emissive sign shown in FIGS. 1 to 3 compared to FIGS. 1 to 3. Includes the same components, except for the addition of loudspeakers and beacons. Accordingly, the same reference numerals are assigned to the same components, and duplicate descriptions of the same components are omitted, and the added components will be described as the center.

Referring to FIG. 7, when a wild animal enters a curve, a motion detection sensor 170 or a thermal imaging camera 171 is provided to prevent a collision between a wild animal and a vehicle. A wild animal may be detected with a Ra, and a warning may be given to a wild animal and a driver through the speaker 172 and the warning light 173. The first emissive sign 100 may include a motion detection sensor 170, a thermal imaging camera 171, a speaker 172, and a warning light 173.

The motion detection sensor 170 is a motion detection sensor capable of detecting a motion of a wild animal when a wild animal enters a curve.

The thermal imaging camera 171 is a thermal imaging camera capable of detecting the body temperature of a wild animal when a wild animal enters a curve.

The speaker 172 is a speaker capable of making a warning sound to a wild animal or a driver.

The warning light 173 may give attention to a wild animal with light or give attention to a driver when wild animals invade a curve.

Here, the motion detection sensor 170, the thermal imaging camera 171, the speaker 172, and the warning lamp 173 may be embedded in the storage box 174 whose one surface is open.

The storage box 174 is disposed on the post 150 supporting the first light-emitting sign 100, and can be rotated up, down, left, and right, by the articulating bracket 175. ) Can be fixed.

8 is a perspective view illustrating a state in which a tension sensor and a wire blocking unit are mounted on a first light-emitting type sign according to a fifth embodiment of the present invention.

In the first emissive sign according to the fifth embodiment of the present invention shown in FIG. 8, a tensile sensor and a wire blocking part are added to the first emissive sign shown in FIGS. 1 to 3 compared to FIGS. 1 to 3 It contains the same components except for those specified. Accordingly, the same reference numerals are assigned to the same components, and duplicate descriptions of the same components are omitted, and the added components will be described as the center.

Referring to FIG. 8, the first light-emitting type sign 100 according to the fifth embodiment of the present invention is a guard rail when a vehicle is damaged by colliding with a guard rail installed in a curve section. ) By detecting the disconnection and pull of the wire (W) attached to the tension sensor 176, it is possible to display a warning message to the car entering the curve (curve). The first emissive sign 100 may include a tensile sensor 176 and a wire blocking unit 180.

The tension sensor 176 may detect disconnection and pull of the wire W connected to one side. As the tensile sensor 176, a known technique may be used.

The wire blocking unit 180 may prevent the tension sensor 176 from being damaged. When the guard rail is bent in one direction due to an external impact, the wire blocking unit 180 may cause the wire W to be disconnected when a predetermined tensile force is generated in the wire W. The wire blocking unit 180 may include a case 181, an inner member 182, a first cutter blade 183 and a second cutter blade 184.

The case 181 may be formed in a semicircular shape. In the case 181, an inlet 185 through which the wire W enters may be formed on one side, and an outlet 186 through which the wire W can exit may be formed on the other side.

The inner member 182 may have a semicircular shape spaced apart from each other at a predetermined interval in the case 181. The inner member 182 may be formed so that the wire W passes through the inlet 185 to the outlet 186 in a semicircular shape.

The first cutter blade 183 may be disposed in contact with the wire W at the inlet 185 between the case 181 and the inner member 182. The first cutter blade 183 is a cutter blade that cuts the wire W when a repulsive force is generated by a predetermined force on the wire W.

The second cutter blade 184 may be disposed to contact the wire W at the outlet 186 between the case 181 and the inner member 182. The second cutter blade 184 is a cutter blade that cuts the wire W when a repulsive force is generated by a predetermined force on the wire W.

9 is a perspective view illustrating a state in which a rain sensor, a temperature sensor, and a photographing device are mounted on a first light-emitting sign according to a sixth embodiment of the present invention.

The first light-emitting type sign according to the sixth embodiment of the present invention shown in FIG. 9 is a rain sensor, a temperature sensor, and a photographing on the first light-emitting type sign shown in FIGS. 1 to 3 compared to FIGS. 1 to 3. It contains the same components except that the device is added. Accordingly, the same reference numerals are assigned to the same components, and duplicate descriptions of the same components are omitted, and the added components will be described as the center.

Referring to FIG. 9, the first emissive sign 100 according to the sixth embodiment of the present invention may include a rain sensor 191, a temperature sensor 192, and a photographing device 190.

The rain sensor 191 is a sensor capable of detecting snow or rain.

The temperature sensor 192 is a sensor capable of sensing temperature.

The photographing apparatus 190 is a photographing apparatus equipped with a photometric sensor (not shown) that measures light reflectance. When rain or snow is detected by the rain sensor 191, or when the temperature sensor 192 detects a temperature below the freezing point, the photographing device 190 photographs the road surface of a curve, and The visual information of the road surface is compared with the visual information of the road surface of the curve where the first central processing unit 110 is not frozen, and the average deviation of the light reflectance may determine whether the curve is frozen. .

Here, when it is determined that the icing of the curve is determined, the first light-emitting type sign 100 may display the risk of freezing or a warning with a letter or symbol while making the first LED unit 120 emit light.

In addition, the temperature below the freezing point is a temperature below 0°C.

In addition, the first light-emitting type sign 100 may further include a calcium chloride spraying unit 193 capable of spraying calcium chloride onto the road when it is determined that the curve is icing.

FIG. 10 is a plan view illustrating a road traffic light-emitting sign system for warning of danger when a vehicle turns a curve according to a seventh embodiment of the present invention.

The road traffic light-emitting sign system for warning of danger when turning a curve of a vehicle according to the seventh embodiment of the present invention illustrated in FIG. 10 is a third light-emitting type sign and a fourth light-emitting sign shown in FIG. 10 as compared to FIG. 4. It contains the same components except for this addition. Accordingly, the same reference numerals are assigned to the same components, and duplicate descriptions of the same components are omitted, and the added components will be described as the center.

Referring to FIG. 10, the road traffic light-emitting sign system for warning of danger when turning a curve of a vehicle according to the seventh embodiment of the present invention may include a third light-emitting sign 300 and a fourth light-emitting sign 400. have.

Here, the curve may be a road C2 in which the curved shape of the road is sharply bent in a'U' shape.

The third light-emitting sign 300 may display characters or symbols required for a road traffic sign with light from the third LED according to the light emission control operation of the third central processing unit (not shown). The third emissive sign 300 may be disposed between the first emissive sign 100 and the second emissive sign 200. The third emissive sign 300 includes a third distance measurement sensor unit (not shown) that passes through an in course of a curve and generates a distance detection beam B3 in the direction of the fourth emissive sign 400. Can include. When the distance detection beam B3 of the third distance measurement sensor unit (not shown) detects a vehicle in the S4 section and there is no change in the distance of the distance detection beam B3, the third central processing unit (not shown) has a curve ( It can be determined that the car is stopped in the in course of the curve). When the distance detection beam B3 of the third distance measurement sensor unit (not shown) detects a vehicle in the S4 section and the distance change of the distance detection beam B3 decreases, the third central processing unit (not shown) It can be judged that the lane invades the lane from the out course of the curve to the in course of the curve. The third emissive sign 300 is a fourth distance measurement sensor unit (not shown) that generates a distance detection beam B4 in the direction of the first emissive sign 100 after passing through an out course of a curve. ) Can be included.

When the distance detection beam B4 of the fourth distance measurement sensor unit (not shown) detects a vehicle in section S5 and there is no change in the distance of the distance detection beam B4, the third central processing unit (not shown) has a curve ( It can be judged that the car is stopped on the out course of curve). The third central processing unit (not shown) is when the distance detection beam B4 of the fourth distance measurement sensor unit (not shown) detects a vehicle in the S5 section, and the change in the distance value of the distance detection beam B4 decreases. , It can be determined that the car is invading the lane from the in course of the curve to the out course.

The third emissive sign 300 may include a wireless communication module 140 or a second RF communication module (not shown) connected in series with the first RF communication module 240.

The fourth emissive sign 400 passes through an out course of a curve and generates a distance detection beam B5 in the direction of the second emissive sign 200 (not shown). ) Can be included.

On the other hand, the fourth central processing unit (not shown) is when the distance detection beam B5 of the fifth distance measurement sensor unit (not shown) detects a vehicle in the S6 section and there is no change in the distance of the distance detection beam B5. It can be determined that the car is stopped on the out course of the curve. When the distance detection beam B5 of the fifth distance measurement sensor unit (not shown) detects a vehicle in the S6 section and the distance change of the distance detection beam B5 decreases, the fourth central processing unit (not shown) It can be judged that the lane is invading the lane from the in course of the curve to the out course.

The fourth light-emitting sign 400 includes a wireless communication module 140, a first RF communication module 240, or a third RF communication module (not shown) connected in series with a second RF communication module (not shown). can do.

On the other hand, in the first to fourth light-emitting signs 400, the vehicle is stopped on the in course or out course of the curve according to the judgment of the first to fourth central processing units. In case of invading the lane, the danger or warning can be displayed identically or differently with letters or symbols while interlocking with wireless communication.

The present invention described above is not limited by the above-described embodiments, and various substitutions, modifications and changes are possible within the scope of the technical spirit of the present invention. It will be obvious to you.

100: first luminous sign
110: first central processing unit
120: first LED unit
130: first distance measurement sensor unit
140: wireless communication module
150: support stand
160: power supply
170: motion detection sensor
171: thermal imaging camera
172: speaker
173: warning light
174: storage box
175: articulated bracket
176: tensile sensor
180: wire blocking part
181: case
182: inner member
183: first cutter blade
184: second cutter blade
185: entrance
186: exit
190: photographing device
191: Rain sensor
192: temperature sensor
193: Calcium chloride spraying part
200: second luminous sign
210: second central processing unit
220: 2nd LED part
230: second distance measurement sensor unit
240: 1st RF communication module
250: support stand
260: power supply
300: 3rd luminous sign
400: fourth luminous sign

Claims (8)

Before a car running on the in course of the road enters the curve, the car entering state behind the curve that is not visible from the curve or the accident state of the car is detected, and the driver is told In order to induce defensive driving, in a warning light-emitting sign system of danger when turning a car's curve that can warn in advance,
It is installed in the vicinity of exiting the out course of the curve, and according to the light emission control operation of the first central processing unit, the light of the first LED unit is used to display characters or symbols required for road traffic signs. 1 Luminous signs and
And a first distance measurement sensor unit mounted on the first light-emitting type sign and generating a distance detection beam in an in course direction of the curve,
Before the vehicle running on the in course enters the curve, the vehicle is stopped on the in course of the curve where the driver's view is not secured, or When the first distance measurement sensor detects that the vehicle running on the out course invades the lane in the in course of the curve, the in course of the curve Danger warning light-emitting sign system when turning a curve of a vehicle, characterized in that the first LED part is illuminated to a driver of a vehicle who intends to enter (in course) while displaying a danger or warning with a letter or symbol. The method of claim 1,
It is installed in the vicinity to enter the out course of the curve, and according to the light emission control operation of the second central processing unit, the light of the second LED unit is used to display characters or symbols required for road traffic signs. 2 It further includes a light-emitting signage,
The second emissive sign includes a second distance measurement sensor unit that generates a distance detection beam in an out course direction of the curve,
A vehicle is stopped on the out course of the curve, or a vehicle invades the lane on the out course of the curve in the in course of the curve. When the second distance measurement sensor unit detects that, the second LED unit illuminates the second LED unit to the driver of the vehicle running on the out course to enter the out course of the curve. Hazard warning light-emitting sign system when turning a car's curve, characterized in that the danger or warning is indicated by a letter or symbol. The method of claim 2,
The first light-emitting sign is
The signal required for management of the first light-emitting sign or the second light-emitting sign, which is wirelessly transmitted from the first central processing unit, is wirelessly transmitted to a mobile device, or the second light transmitted by a user from the mobile device. 1 comprising a wireless communication module for wirelessly receiving a signal for controlling the operation of the light-emitting sign or the second light-emitting sign to the first central processing unit,
The second light-emitting sign is
A first RF communication module connected in series with the wireless communication module is mounted,
The first central processing unit
Receives a signal required for management of the first light-emitting sign or the second light-emitting sign received through the wireless communication module and transmits the received signal to the first RF communication module,
The wireless communication module is a hazard warning light-emitting sign system when turning a curve of a vehicle, characterized in that the transmission and reception through a communication method through a radio base station. The method of claim 2,
The first emissive sign or the second emissive sign is
A motion detection sensor and a thermal imaging camera are mounted in the direction of the curve,
When a wild animal enters the curve and is detected by the motion detection sensor or the thermal imaging camera, a warning sound is sounded through the speaker and a warning light is activated. . The method of claim 2,
The first emissive sign or the second emissive sign is
Further comprising a tension sensor capable of sensing the tensile force of the wire and a wire blocking unit for cutting the wire when a predetermined repulsive force is generated in the wire while the guard rail is bent in one direction,
The wire blocking part
A case in which an inlet through which the wire enters is formed on one side of a semicircular shape, and an outlet through which the wire can exit is formed on the other side;
An inner member embedded in the case and formed in a semicircular shape so that the wire passes through the inlet to the outlet direction;
A first cutter blade disposed at the entrance between the case and the inner member so as to be in contact with the wire, and
And a second cutter blade disposed to be in contact with the wire at the outlet between the case and the inner member,
When one side of the wire is attached to a guard rail installed in the curve section and the other side is connected to the tension sensor, the first light-emitting type when a car hits the guard rail and is damaged. A sign or the second light-emitting sign is a hazard warning light-emitting sign system when a vehicle turns a curve, characterized in that a warning message is displayed to warn a vehicle entering the curve. The method of claim 2,
The first emissive sign or the second emissive sign is
A rain sensor that detects snow or rain;
A temperature sensor that detects the external temperature, and
Further comprising a photographing device equipped with a photometric sensor for measuring light reflectance,
When rain or snow is detected by the rain sensor, or when the temperature sensor detects a temperature below the freezing point, the photographing device photographs the road surface of the curve and photographs the road surface of the curve. The first central processing unit or the second central processing unit compares the visual information with visual information photographed on a road surface of a curve in which the first central processing unit or the second central processing unit is not frozen, and determines whether the curve is icing with an average deviation of light reflectance. ,
When the freezing of the curve is determined, the first light-emitting sign or the second light-emitting sign displays the risk of freezing or a warning in letters or symbols while emitting the first LED part or the second LED part. Hazard warning light-emitting sign system when turning a car curve, characterized in that. The method of claim 3,
When the curve is a'U' shape and has a sharp curve, a third LED is disposed between the first light-emitting type sign and the second light-emitting type sign according to the light emission control operation of the third central processing unit. A third luminous sign that displays negative lights and characters or symbols required for road traffic signs; and
A fourth light-emitting type that displays characters or symbols required for road traffic signs by emitting the light of the fourth LED according to the light emission control operation of the fourth central processing unit while being spaced apart from one side of the second light-emitting type sign by a predetermined distance. Include more signs,
The third light-emitting sign is
A third distance measurement sensor unit for generating a distance detection beam in the direction of the fourth light-emitting signpost passing through an in course of the curve;
A fourth distance measurement sensor unit for generating a distance detection beam in the direction of the first light-emitting signpost past the out course of the curve and
Including a second RF communication module connected in series with the wireless communication module or the first RF communication module,
The fourth light-emitting sign is
A fifth distance measurement sensor unit for generating a distance detection beam in the direction of the second light-emitting signpost past the out course of the curve, and
A warning light-emitting type sign system for warning of danger when turning a curve of a vehicle comprising a third RF communication module connected in series with the wireless communication module, the first RF communication module, or the second RF communication module. The method of claim 7,
The first to fourth light-emitting signs are
Including first to fourth optical fibers for condensing the light of the first to the fourth LED unit,
The first to fourth LED units emit light in any one of red, blue, yellow, and white. system.

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