KR20110035119A - Traffic sign board having led display and illumination - Google Patents

Abstract

PURPOSE: A traffic sign board equipped with an LED display unit and a lighting unit is provided to offer image information about traffic situations in the day and night time as well and to automatically accurately control on/off of the display unit and the lighting unit. CONSTITUTION: A traffic sign board comprises a frame(110), a display unit cover(101), a lighting unit cover(102), a first circuit board(130), a second circuit board(140), a display LED(131), an illumination LED, a power supply unit, and a time controller. The display unit cover is coupled to the front or/and rear opening of the frame. The lighting unit cover is coupled to the bottom opening of the frame. The first and the second circuit board are respectively provided inside the display unit cover and the lighting unit cover. The display LED visually outputs predetermined traffic information through the display unit cover. The illumination LED provides street lighting through the lighting unit cover. The power supply unit supplies power to the first and the second circuit board. The time controller stores the sunrise and sunset time according to region and turns on/off the LED according to delay time input to the sunrise and sunset time.

Description

Traffic sign with LED display and lighting {TRAFFIC SIGN BOARD HAVING LED DISPLAY AND ILLUMINATION}

The present invention relates to a traffic sign having an LED display unit and an illumination unit, and more particularly, to provide a road light that has a LED display unit and an LED lighting unit to improve the distance and nighttime identification and replace the existing street light. By setting different sunrise and sunset time for each region, it can automatically control the lighting and turning off of the LED lighting part, and provide video information for various purposes by recording and storing the surrounding traffic conditions without separate lighting during daytime and at night. The present invention relates to a traffic sign having an LED display unit and an illumination unit.

In general, traffic signs installed on the road display various visual information required for the safe movement of vehicles and pedestrians, and regulatory signs and roads that limit the types of vehicles or human traffic, the way and direction of the road, etc. There are many different types of signs used, including signs that tell you how to use and directions, and signs that tell you what to do, including road conditions.

Conventional traffic signs are mainly installed on horizontal posts or horizontally mounted supports at a predetermined height above the road. Since the conventional traffic signs are made of metal plates, certain display contents such as figures and characters are designed. It was relatively easy to identify the contents of a sign in bright surroundings, but it was difficult to identify the contents of a sign in the dark, such as at night, and it was difficult to know that the sign was installed at a long distance.

As a result, a separate lighting device for illuminating the traffic sign was installed at night, but this is a method of recognizing the content of the sign through the reflected light of the light that illuminates the entire surface of the sign. In other words, the higher the lighting intensity, the higher the perception of the sign itself, but the inferior content identification due to the reflected light.

In addition, although traffic signs with lamps installed inside a box-shaped panel made of a translucent material are used, this is also a method of recognizing the contents of the sign by the light emitted through the entire translucent display surface of the sign, so the recognition of the sign itself is It was high, but there was a problem that content identification was poor.

In order to solve this problem, there has been suggested a traffic sign arranged a plurality of LEDs in the form of a pattern for displaying a predetermined information. This is because only the picture part consisting of LEDs emits light to display the contents of the entire surface of the sign, so that the power consumption is small, and the visible range is identifiable and the drawing is clearly displayed at a long distance. There is this. In addition, by installing a lighting LED in the lower part of the sign can be used as a lighting means to replace the existing street light.

However, since the conventional traffic sign is required to repeatedly turn on and off the LED display unit or the LED lighting unit according to the ambient illumination, there is a problem in that it requires a manager or a management system for this, which requires a high cost of maintenance. In particular, the LED display or the LED lighting unit is usually turned on at sunset time and turned off at sunrise time. Since the sunset and sunrise times vary depending on the season and the location of the region, the LED lights or the LED lighting unit are turned on and off at the correct time. There are many cases that can not be supported, accordingly, the sign is turned off when it is dark, it is difficult to identify the content or when there is a problem that the LED is turned on when the light is bright wasted power.

On the other hand, cameras are installed around the road for various purposes, such as identifying the driving situation of the vehicle and checking the traffic accident occurrence situation. However, in the related art, since the road monitoring camera had to be separately installed, there was a problem in that excessive cost and manpower were required to install and maintain the camera.

In addition, since a conventional camera cannot be properly photographed without a separate lighting means when it is dark, conventionally, a separate lighting means for shooting is required at the time of installation of the surveillance camera. There was a problem of manpower.

The present invention is to solve the problems as described above, by setting different sunrise and sunset time for each season and region can automatically control the lighting and turn off of the LED display or the LED lighting, separate daytime as well as night It is an object of the present invention to provide a traffic sign having an LED display unit and an illumination unit which can be used for various purposes by photographing the traffic situation around the lighting unit.

The present invention for achieving the above object, at least one side of the front portion and the rear portion is open, the bottom surface is open frame; A display cover of a light-transmissive material coupled to an open portion of at least one side of the front and rear portions of the frame; An illumination part cover made of a light-transmissive material coupled to the bottom part opening of the frame; At least one first circuit board provided inside the display cover; A second circuit board provided inside the lighting unit cover; A display LED installed on the first circuit board and configured to shape predetermined traffic information by irradiating light to the outside through the display unit cover; An illumination LED installed on the second circuit board and providing road lighting by irradiating light to the outside through the illumination cover; A power supply unit supplying power to the first circuit board and the second circuit board so that the display LED and the illumination LED can operate; And a time controller configured to store sunrise and sunset times according to at least one of region and time, and to turn on or off at least one of the display LEDs and the illumination LEDs according to a delay time input before or after the stored sunrise and sunset times. It provides an LED traffic signs including a display unit and a lighting unit comprising a.

The traffic sign of the present invention may be configured to further include a camera installed on the frame facing the road to photograph the traffic situation around.

In this case, the camera is preferably installed below the frame to shoot the light irradiation area of the illumination LED.

In addition, it is preferable to include an image recording device for recording and storing the image information photographed by the camera.

In some cases, the sensor may further include an optical sensor switch connected to the power supply unit and configured to turn on or off at least one side of the display LED and the illumination LED according to the detected ambient illumination.

In addition, the frame is preferably made of stainless steel material.

According to the present invention as described above has the following advantages.

(1) The lighting unit and display unit are equipped with a time controller that stores sunrise and sunset times that vary by time and region, and supplies and cuts off the lighting and display LEDs according to the delay time input for the stored sunrise and sunset times. By precisely controlling the lighting and extinguishing individually, maintenance cost can be reduced because there is no need for a separate manager or system for controlling the blinking of the lighting part and the display part. It is possible to prevent the power wasted due to unnecessary lighting and to ensure accurate lighting at night and display function.

(2) Reduce the cost and manpower required for the installation and maintenance of road facilities by providing a camera for photographing traffic conditions on the road and an image recording device for storing the captured images, eliminating the need to install a separate road shooting facility. It can work.

(3) By installing the camera to photograph the light irradiation area of the lighting LED at the part where the lighting LED is installed in the lower part of the frame, accurate traffic situation shooting is possible even at night, and a separate lighting facility is not required for shooting. And it is effective to reduce the maintenance cost.

The objects, features and advantages of the present invention described above will become more apparent from the following detailed description. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The present invention can be widely applied to all kinds of traffic signs commonly used. In the following embodiments will be exemplarily applied to the crosswalk sign as one of them, it will be appreciated that the application of the present invention is not limited by the following embodiments.

1 and 2 are perspective views showing an embodiment of the traffic sign plate having an LED display unit and an illumination unit according to the present invention in an assembled and disassembled state, respectively, and FIG. 3 is a view of the traffic sign plate of the present invention shown in FIG. 4 and 5 are front and side cross-sectional views, respectively, of the traffic sign of the present invention shown in FIG. 1, and FIG. 6 schematically shows a control structure of each operation part constituting the traffic sign according to the present invention. It is a block diagram shown in FIG. In addition, Figure 7 is a perspective view showing the installation state of the traffic sign according to the present invention.

As shown, the traffic sign plate 100 of the present invention is coupled to the display portion cover 101 and the rear cover 102, respectively, the front portion and the rear portion of the frame 110, the support plate 120 is fixed to the inside, A lighting unit cover 103 is coupled to the unit, and a first circuit board 130 having a display LED 131 is installed inside the display unit cover 101, and an lighting LED is provided inside the lighting unit cover 103. The second circuit board 140 and the camera 150 provided with 141 are installed. In addition, a power supply unit 161 for supplying operating power of the display LED 131, the illumination LED 141, and the camera 150 is provided inside the frame 110, and externally provided to the camera 150. There is provided an image recording device 180 for storing the image taken by.

The frame 110 has an open front portion and a lower end portion, and is formed in a pentagonal shape that protrudes upward to form an outer shape of a sign. The first and second circuit boards 140 and the display LEDs 131 and lighting provided therein are provided. It serves to protect components including the LED 141 from the external environment. The frame 110 may be formed of an aluminum material to reduce the weight, but is preferably formed of a stainless steel (SUS) material to improve strength and durability.

The upper one side of the frame 110 is coupled to the rope connector 11, such as an eye bolt. The rope connector 11 is for fastening the wire 11 so as to prevent sagging and damage to the coupling portion when installing the traffic sign 100 on the support 10, such as a traffic light support rod.

A lower side of the frame 110 is provided with a fastening means for coupling with the support (10). The fastening means includes a fastening plate 118 coupled to the flange 10a of the support 10 by a bolt 119 in contact with the inner surface of the frame 110. In addition, a plurality of heat dissipation holes 117 are formed in the side portion of the frame 110 to emit the operating heat of the display LED 131 and the illumination LED 141.

The support plate 120 is to increase the endurance strength of the frame 110 and the endurance strength of each coupling portion installed in the frame 110. The support plate 120 and the first circuit board 130 are provided with a plurality of coupling sleeves ( 121 and bolt 122 are fastened to each other.

The display unit cover 101 projects the light generated by the display LED 131 to the outside so that predetermined information is displayed. The display cover 101 is made of a light-transmitting material, preferably poly having excellent durability against sunlight, rain, heat, and the like. It is formed of a carbonate (PC) material.

The display unit cover 101 may be provided in a transparent form, but the surface may be painted or a film or sheet may be attached to show a predetermined label content. In this case, since the display contents can be easily identified even when the display LED 131 is not turned on when the surroundings are bright, such as during the day, there is an advantage of reducing power consumption.

On the other hand, in the illustrated embodiment illustrated a one-side display type sign structure having a display unit cover 101 is provided only in the front portion of the frame 110, the present invention is not limited to this, and the front portion of the frame 110 and The display cover 101 is coupled to both sides of the rear surface, and the display LEDs 131 may be formed on both sides such that the display LEDs 131 face outward so that light is irradiated through the display cover 101.

The lighting unit cover 103 is to project the light generated by the illumination LED 141 to the outside to be illuminated under the traffic sign 100, a transparent material, preferably the same as the display cover 101 It is preferably formed of a polycarbonate material.

The first circuit board 130 is provided with a plurality of display LEDs 131 in which predetermined display contents such as a pattern, a character, a figure, etc. are shaped on a front surface of the first circuit board 130. The display LED 131 is preferably made of a color LED that emits light of various colors according to the contents of the label.

The second circuit board 140 is provided with a plurality of illumination LEDs 141 for irradiating the light for illumination on the lower surface portion, it is preferably made of a white LED to provide light close to natural light. The second circuit board 140 may be provided integrally, but may be divided into two or more pieces so that the light irradiation area can be expanded, and the light is inclined outwardly at a predetermined angle (about 15 °) with respect to the vertical direction. It is preferably arranged to irradiate. To this end, the fixing members 145 and 146 supporting the respective second circuit boards 140 are provided with support surfaces 147 that increase toward the outside.

The power supply unit 161 converts AC 220V commercial power into DC 24V or 12V power suitable for operation of each component. The power supply unit 161 is provided with a time controller 162 for controlling the power supply to the display LED 131 and the illumination LED 141 ON / OFF.

The time controller 162 automatically turns on / off the power supply through the power supply unit 161 at an input set time so that the display LED 131 and the illumination LED 141 are automatically turned on and off at a predetermined time. In this case, the display LED 131 and the illumination LED 141 may be configured to be turned on and off at the same time, or may be configured to be individually set and controllable.

The time controller 162 may be configured in various structures to control the power supply ON / OFF at a set time, for example, a memory device that stores sunrise and sunset times different for each time and region, and inputs a time and region. Selects a sunrise and sunset time for a corresponding time and region stored in the memory device, and inputs a delay time of 0 to 60 minutes before and after the selected sunrise and sunset time to set the ON / OFF time. And a processor for supplying or cutting off power supply to the display LEDs 131 and the illumination LEDs 141 according to the ON / OFF time set by the input device, an input state by the input device, and a processing state by the processor. It may be configured to include an output device for displaying.

The power supply unit 161 and the time controller 162 may be provided on the first circuit board 130 or the second circuit board 140, or may be provided on a separate board or in a separate module form. It may be.

The camera 150 is to provide the image information for various purposes by photographing the vehicle driving situation or the pedestrian movement of the road, and may be provided at various positions and directions on the traffic sign 100, but the illumination Preferably, the LED 141 is installed to be lowered below the frame 110 so as to utilize the light of the LED 141 as a light source for photographing. That is, as illustrated, the barrel is exposed between the second circuit board 140 on both sides and is provided to expose the barrel through the through hole 104 formed in the lighting unit cover 103 so that the light irradiation area of the illumination LED 141 is provided. It is desirable to be installed so as to shoot. In this case, it is preferable that the hemispherical camera cover 151 is installed below the camera 150.

The image recording device 180 stores / records an image photographed by the camera 150, but may be installed inside the frame 110, but is easily accessible to a person for management convenience. For example, it is preferable to be installed in the traffic light or sign installation post 9 as shown. In the illustrated embodiment, the image recording apparatus 180 is installed in the inner space of the support 9 opened and closed by the door 7. The video recording device 180 may be of a digital / analog type using a conventional recording medium such as a DVR or a VCR.

The traffic sign 100 of the present invention configured as described above, for example, may be installed on the support 10, such as a traffic light support rod is installed on the upper crosswalk.

In the daytime, the illumination LED 141 is turned off, and the display LED 131 is turned off when the display cover 101 is painted or a sheet is attached and has a display function of a predetermined content. If not, it lights up to display predetermined contents. In the following description, for example, the illumination LED 141 and the display LED 131 are described as being controlled to blink at the same time.

When the power ON time set in the time controller 162 is set before or after sunset, power supply through the power supply unit 161 is started to light up the illumination LED 141 and the display LED 131. Accordingly, the illumination is illuminated by the illumination LED 141, so that the road can be brightened without a separate street light, and the display LED 131 can provide a road marking function having excellent discrimination even at a long distance.

When the power OFF time is set in the time controller 162 before or after sunrise, the power supply through the power supply unit 161 is cut off and the illumination LED 141 and the display LED 131 are turned off.

As described above, the traffic sign 100 of the present invention stores different sunrise and sunset times for each time and region, and simply turns on and off the illumination LED 141 and the display LED 131 by simply inputting an appropriate delay time. Since the time can be set individually and precisely, the flashing time of the lighting unit and the display unit is automatically controlled without errors according to time and region, so that the road lighting and display function at night can be accurately performed and power waste due to unnecessary lighting can be prevented. Can be.

Apart from the blinking of the illumination LED 141 and the display LED 131, the camera 150 is operated by the power supplied through the power supply unit 161 to photograph the surrounding traffic conditions, and the captured image Information is stored by the video recording device 180. In particular, at night, the part illuminated by the illumination LED 141 is photographed, and thus, it is possible to accurately photograph and store the traffic situation in the surroundings without additional lighting, and to use it as useful information. For example, when a traffic accident occurs due to the lack of human visibility at night and poor visibility, it is difficult to secure witnesses to identify the accident situation. The traffic sign 100 of the present invention is an accurate accident through the camera 150. The situation can be photographed to provide evidence that can be very helpful in handling the case.

On the other hand, in the traffic sign 100 of the present invention, the power supply unit 161 may be provided with an optical sensor switch to blink the illumination LED 141 and the display LED 131 according to the brightness of the surrounding. The light sensor switch when the illumination is at a certain level, for example 30Lux or less due to climatic factors during the day, by turning on the display LED 131 and the illumination LED 141 to achieve the corresponding function.

The present invention described above is not limited to the above-described embodiment and the accompanying drawings, and various substitutions, modifications, and changes are possible within the scope without departing from the technical spirit of the present invention. It will be evident to those who have knowledge of.

1 is a perspective view showing an embodiment of a traffic sign provided with an LED display unit and an illumination unit according to the present invention.

FIG. 2 is a perspective view illustrating the traffic sign of the present invention shown in FIG. 1 in an exploded state.

3 is a perspective view showing a lower structure of the traffic sign of the present invention shown in FIG.

4 is a front view of the traffic sign of the present invention shown in FIG.

5 is a side cross-sectional view of the traffic sign of the present invention shown in FIG.

6 is a block diagram schematically showing a control structure of each operation unit constituting the traffic sign of the present invention.

7 is a perspective view showing an installation state of a traffic sign according to the present invention.

Description of the Related Art

100: traffic sign 101: display cover

102: light cover 109: rope connector

110: frame 120: support plate

130: first circuit board 131: display LED

140: second circuit board 141: illumination LED

150: camera

Claims (6)

A frame in which at least one side of the front portion and the rear portion is opened and the bottom portion is opened; A display cover of a light-transmissive material coupled to an open portion of at least one side of the front and rear portions of the frame; An illumination part cover made of a light-transmissive material coupled to the bottom part opening of the frame; At least one first circuit board provided inside the display cover; A second circuit board provided inside the lighting unit cover; A display LED installed on the first circuit board and configured to shape predetermined traffic information by irradiating light to the outside through the display unit cover; An illumination LED installed on the second circuit board and providing road lighting by irradiating light to the outside through the illumination cover; A power supply unit supplying power to the first circuit board and the second circuit board so that the display LED and the illumination LED can operate; And Storing a sunrise and sunset time according to at least one of region and time, and turning on or off at least one of the display LED and the illumination LED according to a delay time inputted before or after the stored sunrise and sunset time. Traffic sign including the LED display and the lighting unit including. The method of claim 1, The traffic sign provided with an LED display unit and an illumination unit, characterized in that it further comprises a camera installed to face the road to the frame to photograph the traffic conditions around. The method of claim 2, The camera is installed downward in the lower portion of the frame traffic sign with an LED display and an illumination unit, characterized in that to shoot the light irradiation area of the illumination LED. The method of claim 2, And a video recording apparatus for recording and storing video information photographed by the camera. The method according to any one of claims 1 to 4, And a light sensor switch for lighting or turning off at least one of the display LEDs and the illumination LEDs according to the detected ambient illumination connected to the power supply unit. The method according to any one of claims 1 to 4, The frame is a traffic sign having an LED display and an illumination unit, characterized in that made of stainless steel material.

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