KR102136355B1 - Light system integrated into roadside safety barrier and operating method thereof - Google Patents

Abstract

Disclosed are a road lighting system with an integrated protective wall and an operating method thereof which provide energy-independent low lighting capable of securing visibility even in poor weather at night. The road lighting system with an integrated protective wall comprises: a protective wall of a concrete material installed on a road center or a roadside; a solar cell module installed on an upper portion of the protective wall; a lighting lamp installed on the outer surface of the protective wall towards a lower portion of the protective wall; and a cable to electrically connect the solar cell module and the lighting lamp through the inside of the protective wall. The protective wall includes a lighting lamp seating groove to insert the lighting lamp into an outer wall, and a light guide groove extending from the lighting lamp seating groove, having a prescribed depth, and guiding a light beam of the lighting lamp inserted into the lighting lamp seating groove to a lower side of the protective wall. The light guide groove has a shape with a width becoming wider towards the lower side of the protective wall from the lighting lamp seating groove.

Description

LIGHT SYSTEM INTEGRATED INTO ROADSIDE SAFETY BARRIER AND OPERATING METHOD THEREOF}

The present invention relates to a wall-mounted integrated lighting system, and more particularly, to a wall-mounted integrated wall lighting system and a method of operating the same, which provide low-energy, self-supporting, low-light, which can ensure visibility even in a fog section or bad weather at night.

The road lighting system includes a column-type LED (light emitting diode) lighting lamp installed at a certain height of a prop, or a light installed on a guardrail or a protective wall.

Most lighting systems attached to guardrails or concrete firewalls simply attach a lighting device to the guardrail or protective wall and take care of the illuminance based on the brightness or performance of the lighting device, so the road is in bad weather at night due to rain, fog, etc. There is a problem that it is difficult to secure visibility for lane recognition.

As an example of the prior art, Patent Publication No. 10-1761468 (July 27, 2017) discloses a traffic information display system using wind and solar energy. In this prior art, LED lighting using electric energy of wind power or solar power is disclosed to be installed on a protective wall as a traffic guide sign such as an arrow.

On the other hand, the above-described prior art discloses a configuration in which the LED light is installed on the protective wall, but does not suggest a method for the case where visibility must be secured, such as in case of bad weather at night. As such, there is a demand for a method of providing visibility that satisfies the road lighting grade even in bad weather at night in the lighting system installed on the protective wall.

Registered Patent Publication No. 10-1761468 (July 27, 2017)

The present invention has been derived to solve the problems of a conventional guardrail attached lighting system or a protective wall attached lighting system, and the object of the present invention is the lane, front of the road even in bad weather at night due to rain, fog, etc. An object of the present invention is to provide an integrated road lighting system with a firewall that provides energy-independent, low-lighting that can secure visibility to a field of view.

Another object of the present invention is a type of street light installed on a concrete protection wall at a height of about 1 m from the road surface, and improved visibility through a special light distribution structure provides excellent visibility that satisfies the road lighting grade even in bad weather or at night, and enhanced weather resistance. It is to provide an integrated road lighting system with a firewall.

Another object of the present invention is a remote wall-integrated road capable of remote monitoring and remote control using a wireless sub-communication system such as a LoRa (Long Range) platform, and linking with an intelligent transfort system (ITS). It is to provide a lighting system and a method of operation.

A protective wall-integrated road lighting system according to an aspect of the present invention for solving the above technical problem includes: a concrete protective wall installed at a road center or a roadside; A solar cell module installed on the top of the protection wall; A lighting lamp installed from the outer surface of the firewall toward the bottom of the firewall; And a cable electrically connecting the solar cell module and the lighting lamp through the inside of the protective wall. The protection wall includes a lighting recess for inserting a lighting lamp inside the outer wall, and a light guide groove extending from the lighting recess for a certain depth and guiding the light beam of the lighting lamp inserted in the lighting recess to the lower side of the protection wall. The optical guide groove has a shape in which the width of the groove is widened from the seating groove of the lighting lamp to the lower side of the protection wall.

In one embodiment, the protective wall has an upper seating groove into which the solar cell module is inserted. The upper seating groove has a step difference due to a difference in width between the solar cell board and the battery module below the solar cell board, and is connected to the first hole on one side of the inner cable passage through which the cable passes at the bottom of the upper seating groove. .

In one embodiment, the lighting seating groove is connected to the second hole on the other side of the inner cable passage. The lighting lamp includes a light emitting diode (LED) module, a bracket for rotatably supporting the LED module, and a luminaire fixing means for fixing the bracket to the bottom of the lighting recess.

In one embodiment, the wall-integrated road lighting system further includes a control unit and a sensor mounted on a solar cell module or a lighting lamp. The control unit detects fog based on the signal of the sensor, adjusts the brightness of the lighting lamp according to the detected fog concentration, or controls the lighting operation mode according to the fog concentration.

In one embodiment, the barrier-integrated road lighting system further includes a control unit for controlling the operation of the solar cell module or lighting, and a communication unit connected to the control unit. The control unit receives a fog-related control signal from the network through a communication unit, sets an operation timing for the lighting of the lighting lamp based on the fog-related control signal, and controls the lighting lamp according to the operation timing.

In order to solve the above technical problem, a protective wall-integrated road lighting system according to another aspect of the present invention includes: a concrete protective wall installed on a road center or a roadside; A power supply unit installed on the upper portion of the protection wall; A lighting lamp installed from the outer surface of the firewall toward the bottom of the firewall; And a cable electrically connecting the power supply unit and the lighting lamp through the inside of the protection wall. The protection wall includes a lighting recess for inserting a lighting lamp inside the outer wall, and a light guide groove extending from the lighting recess for a certain depth and guiding the light beam of the lighting lamp inserted in the lighting recess to the lower side of the protection wall. The optical guide groove has a shape in which the width of the groove is widened from the seating groove of the lighting lamp to the lower side of the protection wall.

In one embodiment, the power supply unit includes a connector to which commercial power or external power is connected.

A method of operating a wall-integrated road lighting system according to another aspect of the present invention for solving the above technical problem, the control unit receiving a fog-related control signal from a network through a communication unit; Setting an operation timing for lighting of the lighting lamp based on the fog-related control signal; And dimming the lighting lamp according to the operation timing. Here, the protective wall includes a lighting recess for inserting a light into the outer wall, a light guide groove extending from the lighting recess and having a certain depth, and guiding the light beam of the lighting inserted into the lighting recess to the lower side of the protective wall. . The optical guide groove has a shape in which the width of the groove is widened from the seating groove of the lighting lamp to the lower side of the protection wall.

In one embodiment, the method of operating the integrated wall lighting system of the firewall includes determining a fog concentration based on a sensor signal from a sensor connected to the control unit; And it may further include the step of adjusting the brightness of the lighting according to the fog concentration.

In the case of using the above-described protection wall-integrated road lighting system of the present invention and its operation method, energy-independent self-supporting low illumination capable of securing visibility to road lanes, front vision, etc. even in bad weather at night due to rain, fog, etc. Can provide

In addition, as a kind of street light installed at a height of about 1m from the road surface, the visibility through the special light distribution structure improves visibility and provides road lighting with excellent visibility and enhanced weather resistance that satisfies the road lighting grade even in bad weather or at night. Can.

In addition, by using a wireless sub-communication system such as the LoRa platform, the advantage of being able to efficiently perform remote monitoring and remote control of the integrated fog light system with a firewall is integrated with the intelligent traffic system (ITS). have.

In addition, the use of the integrated wall lighting system of the present invention or a method of operation thereof can ensure reliable visibility even in the case of a fog section or bad weather at night, so an aging driver having a relatively higher accident rate than a driver of a young age in an aging society Even when driving, there is an effect that can contribute to preventing traffic accidents or safety accidents.

1 is a perspective view of an integrated roadway lighting system (hereinafter simply referred to as'roadway lighting system') according to an embodiment of the present invention.
FIG. 2 is a bottom side perspective view of the road lighting system of FIG. 1.
FIG. 3 is a plan view of the road lighting system of FIG. 1.
4 is a bottom view of the road lighting system of FIG. 1.
5 is a front view of the road lighting system of FIG. 1.
6 is a perspective front view of the road lighting system of FIG. 1.
7 is a left side view of the road lighting system of FIG. 1.
8A is a cross-sectional view taken along line I-I of the road lighting system of FIG. 5.
8B is a cross-sectional view taken along line II-II of the road lighting system of FIG. 5.
9 is a cross-sectional view taken along line III-III of the road lighting system of FIG. 7.
10 is an exploded perspective view of the road lighting system of FIG. 1.
FIG. 11 is a front view of the concrete protection wall of FIG. 10.
12 is a plan view of the concrete protection wall of FIG.
13 is a cross-sectional view of the concrete barrier of FIG. 10.
14 is a left side view of the solar cell module of FIG. 10.
FIG. 15 is a view of the lighting lamp of FIG. 10.
16 is a view illustrating a state of use of the road lighting system of FIG. 1.
17 is a flowchart illustrating a manufacturing process of a road lighting system according to another embodiment of the present invention.
18 is a view illustrating a state of use of a road lighting system according to another embodiment of the present invention.
19 is a block diagram of a road lighting system according to another embodiment of the present invention.
20 is a flowchart illustrating an operating principle according to an embodiment of the road lighting system of FIG. 19.
21 is a flowchart illustrating an operating principle according to another embodiment of the road lighting system of FIG. 19.

The terms or words used in the specification and claims should not be interpreted as being limited to ordinary or dictionary meanings, and the inventor can appropriately define the concept of terms in order to best describe his or her invention. Based on the principle of being present, it should be interpreted as meanings and concepts consistent with the technical spirit of the present invention.

Therefore, the embodiments shown in the embodiments and the drawings described in this specification are only the most preferred embodiments of the present invention and do not represent all of the technical spirit of the present invention, and various equivalents can be substituted at the time of this application. It should be understood that there may be water and variations.

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

1 is a perspective view of an integrated roadway lighting system (hereinafter simply referred to as a'roadway lighting system') according to an embodiment of the present invention. FIG. 2 is a bottom side perspective view of the road lighting system of FIG. 1. FIG. 3 is a plan view of the road lighting system of FIG. 1. 4 is a bottom view of the road lighting system of FIG. 1. 5 is a front view of the road lighting system of FIG. 1. 6 is a perspective front view of the road lighting system of FIG. 1. 7 is a left side view of the road lighting system of FIG. 1. 8A is a cross-sectional view taken along line I-I of the road lighting system of FIG. 5. 8B is a cross-sectional view taken along line II-II of the road lighting system of FIG. 5. 9 is a cross-sectional view taken along line III-III of the road lighting system of FIG. 7. 10 is an exploded perspective view of the road lighting system of FIG. 1. FIG. 11 is a front view of the concrete protection wall of FIG. 10. 12 is a plan view of the concrete protection wall of FIG. 13 is a cross-sectional view of the concrete barrier of FIG. 10. And FIG. 14 is a left side view of the solar cell module of FIG. 10.

1 to 14, the road protection system integrated with the protection wall according to the present embodiment, that is, the road lighting system is installed on the top of the protection wall 10 and the protection wall 10 made of concrete, which is installed in the center of the road or on the side of the road. The solar cell module 50 and the lighting lamp 50 installed to irradiate the light beam from the outer surface in the longitudinal direction of the protective wall 10 toward the bottom of the protective wall, and the solar cell module 50 and the lighting lamp ( 70) includes a cable 30 for electrically connecting.

The protective wall 10 is a segment-type (Precast Concrete) road protection block, and gradually increases at a first ratio while rising from the lower end 11 and the lower end 11 of the first width orthogonal to the longitudinal direction. It has an intermediate portion 12 with a decreasing width, and an upper portion 13 with a gradually decreasing width at a ratio smaller than the first ratio in the intermediate portion 12.

As a standard of the protection wall 10, the width of the upper end portion is narrower than the lower end portion, and may be 3000 mm in length, 610 mm in the lower width of the lower portion, 150 mm in the upper width of the upper portion, and 1270 mm in height. It can be designed with specifications of 450mm lower width of the middle part and 250mm upper width of the middle part narrowed by about %.

In addition, the protective wall 10 is provided with an upper seating groove 14 into which the solar cell module 50 is inserted at the upper end 13. The upper seating groove 14 is provided with a step difference due to the difference in width between the solar cell board 52 and the battery module 60 under the solar cell board among the solar cell modules 50, and the cable at the bottom of the upper seating groove 14 It is connected to the first hole (see 12a in Fig. 12) of one side of the inner cable passage 12c through which 30 passes.

In addition, the protective wall 10, the middle of the lighting recess (15) and the lighting recess (15) for inserting and installing the lighting (70) at a depth lower than the outer wall surface from the outer side wall in the longitudinal direction at the lower end (13). It has an optical guide groove (16) that extends to the lower part (12) and lower part (11), has a certain depth, and guides the light beam of the lighting lamp (70) inserted into the lighting recess (15) toward the lower side of the protective wall.

The lighting recess 15 is connected to the second hole 12b on the other side of the inner cable passage 12c. The optical guide groove 16 has a shape in which the width of the groove is widened from the lighting seating groove 15 to the lower side of the protective wall. The shape of the light guide groove 16 is preferably from about 2 times to about 4 times the width of the lower end compared to the width of the upper end contacting the lighting recess 15 in terms of light concentration.

In addition, the protective wall 10 may have two outer surfaces 17 that are flat and parallel to each other in a direction perpendicular to the longitudinal direction. The two outer surfaces 17 may be arranged to be orthogonal to the bottom surface 11a of the protective wall 10.

The bottom portion 11 may be provided with a bottom groove 18 extending between both side edges 11c in the longitudinal direction of the protective wall 10 in the bottom surface 11a corresponding to the bottom middle portion of the light guide groove 16. Can. The bottom groove 18 may have a step portion 18a inclined with the bottom surface 11a by a structure in which the width of the light guide groove 16 is widened. The bottom groove 18 may serve as a drain groove.

In addition, the protective wall 10 is provided with a fastening hole 19 for use in the transportation or installation of the protective wall. When the fastening hole 19 is used, a fork lane or an operator can carry or move the protective wall 10 by pulling or lifting a chain or rod inserted into the fastening hole 19.

The cable 30 is inserted into the inner cable passage 12c of the protective wall 10, one end of which is exposed to the first hole 12a of the protective wall 10 or connected to the solar cell module 50, and the other end ( 30b) is exposed to the second hole 12b of the lighting recess 15 or is connected to the lighting 70. The cable 30 has a plurality of wires or conductive lines for transmitting signals and power. The cable 30 may be referred to as a harness tube having the functions described above.

The solar cell module 50 according to this embodiment includes a solar cell board 52 and a battery module 60 as shown in FIG. 14. The solar cell module 50 has a larger width of the solar cell board 52 than a width of the battery module 60 when the side surface of the solar cell module 50 is viewed in a direction parallel to the longitudinal direction. This is to effectively install the battery module 60 and the solar cell board 52 on the narrow upper surface of the concrete firewall installed on the road. In order to install the solar cell module 50 of this type in the upper seating groove of the protective wall, the upper seating groove may have a stepped portion.

In addition, a junction box of a solar cell may be built in the middle portion of the battery module 60, and an opening communicating with a first hole in one side of the inner cable passage may be installed on the lower side of the junction box.

The battery module 60 may include a plurality of battery cells or at least one battery unit module or battery pack. In addition, when at least one battery unit module or battery pack is provided, the battery module 60 may include a battery control circuit or a protection circuit that controls charging and discharging of a plurality of battery cells. The battery module 60 may also be referred to as a battery system.

According to the above-described solar cell module 50, it is possible to supply power in a solar-based energy independence type in a road lighting system integrated with a protective wall.

The lighting lamp 70 includes a light emitting diode (LED) module as a light source, a bracket for rotatably supporting the LED module, and fixing means for fixing the bracket to the floor of the lighting recess 15 or the like. The fixing means may fix the lighting lamp 70 in a form inserted into the third hole 12d in the bottom or inner wall of the lighting seating recess 15, and may be referred to as a lighting fixture fixing means. The lighting lamp 70 will be described in detail with reference to FIG. 15.

FIG. 15 is a view of the lighting lamp of FIG. 10. 15(a) is a perspective view of the lighting lamp 70, (b) is a front view of the lighting lamp of (a), (c) is a left side view of the lighting lamp of (a), and (d) is (a). ) Is the rear view of the lighting.

Referring to (a) to (d) of FIG. 15, the lighting lamp 70 of the road lighting system according to the present embodiment has a structure in which red, green and blue LED elements are embedded in one case, and a yellow phosphor is attached to the blue LED element. It may be provided with a light source for irradiating white light, such as a structure, a structure having an RGB-based phosphor in a purple LED element. The LED device may have a shell shape, an oval shape, a surface mount shape, a flat shape, or the like. And the lighting lamp 70 is provided with a heat sink or a heat dissipation structure for heat dissipation of the LED light source, a portion of the heat dissipation structure may be coupled to the case 71 or exposed to the outside of the case 71.

The lighting lamp 70 may include a communication unit or a sub communication system inside the case 71. In that case, the communication unit may include an antenna 73 exposed outside the case 71.

A diffusion plate or a cover 72 having a diffusion function is disposed on the front surface of the case 71 through which the light beam of the light source comes out, and an inner surface reflector reflecting light inside the case 71 to the front surface of the case 71 on the rear surface of the case 71. 72b may be disposed.

The case 71 is rotatably coupled to the bracket 74 by hinge coupling portions 73a and 74a. According to this configuration, the fastening angle of the case 71 with respect to the bracket 74 can be adjusted, whereby the light beam of the lighting lamp 70 is focused along the light guide groove of the protection wall to focus on the lane or road surface adjacent to the protection wall. (70) can be arranged.

For a light source that is installed in a somewhat inclined shape toward the road surface or the floor, the bracket 74 has a light source front bottom support 75 supporting the lower part of the case 71 and the cover 72 together. The lower light source front support 75 extends from the bracket 74 and is installed to contact the lower portion of the case 71 and cover a portion of the cover 72.

The bracket 74 is fixed to the bottom or inner wall of the lighting recess of the protective wall by the fixing means 76. The fixing means 76 may include a sleeve that is inserted and fixed into a hole in the bottom or inner wall of the lighting groove of the protective wall, and a nut fixed to the sleeve and having a larger cone diameter than the threaded portion. A washer or spring washer may be further disposed between the sleeve and the nut.

16 is a view illustrating a state of use of the road lighting system of FIG. 1.

Referring to FIG. 16, the road lighting system 100 according to the present embodiment is installed in a central separation of the road, and is provided with two lighting lamps on both sides of the longitudinal direction of the protective wall.

The road lighting system 100 intensively irradiates a lane or road surface where the lighting lamp is located adjacent to the center of the road at a constant height on the outer surface in the longitudinal direction of the protective wall, that is, about 60 cm to 100 cm in height from the road surface or the ground. By doing so, even in bad weather at night, it is possible to greatly improve visibility to a driver's central lane or roads around it.

17 is a flowchart illustrating a manufacturing process of a road lighting system according to another embodiment of the present invention.

The manufacturing process of the road lighting system according to this embodiment prepares a concrete protective wall having an optical guide groove extending from the middle of the outer surface to the lower side as shown in FIG. 17 (S171), and is provided on the upper surface of the protective wall. Prepare a solar cell module having a shape and structure suitable for the upper seating groove and a lighting lamp that is inserted and installed in the seating groove in the middle of the protection wall (S172).

Next, the cable is inserted into the inner cable passage provided on the protective wall to expose one end of the cable to the bottom of the upper seating groove, and the other end of the cable is exposed to the lighting seating groove (S173).

Next, connect the solar cell module to one end of the cable, fix the solar cell module in the upper seating groove, connect the lighting lamp to the other end of the cable, and fix the bracket supporting the lamp with fixing means such as anchor bolts to the bottom of the lamp mounting groove Let (S174).

Next, the irradiation angle of the lighting lamp is adjusted to face the lighting lamp at a predetermined angle with the road surface or the floor so that the light irradiation direction of the lighting lamp is guided along the light guide groove on the outer surface of the protection wall (S175).

18 is a view illustrating a state of use of a road lighting system according to another embodiment of the present invention.

Referring to FIG. 18, the road lighting systems 100 and 100a according to the present exemplary embodiment may be installed at a central separator of a road and a road side. The road lighting system 100 installed in the median may have a structure in which two lighting lamps are disposed on both sides in the longitudinal direction of the protective wall. In addition, the road lighting system 100a installed on the side of the road may have a structure in which two lights are arranged on one side in the longitudinal direction toward the road.

The above-mentioned road lighting systems 100 and 100a intensively irradiate road surfaces or lanes where lighting lamps are located adjacent to the center of the road and the roadside at a constant height on the outer surface of the protective wall, that is, about 60 cm to 100 cm in height from the ground. By doing so, the driver can recognize the lane or the road well even in bad weather at night. Particularly, when a reflective material such as glass powder is added to the lane of the road, in addition to the action effect of the present embodiment, there is an advantage that the visibility of the lane can be significantly increased.

As described above, in this embodiment, in addition to the above-described effect, in addition to the structure (first structure) in which two lighting lamps (four in total) are installed on both outer surfaces of the concrete protection wall, two lighting lamps (total) only on one outer surface of the concrete protection wall 2) may have a structure (second structure). By using the configuration of this embodiment, road lighting can be realized by installing a protective wall of the second structure on a road side of both sides of a road without a central separator, thereby greatly reducing or omitting the number of well-known street lights. Can have

On the other hand, in the above-described embodiments, the configuration of the solar cell module on the top of the protective wall has been mainly described, but the present invention is not limited to such a configuration, and a power supply unit may be used instead of the solar cell module. The power supply unit may include a connector or an adapter for drawing commercial power or external power, and the connector or adapter may have a structure capable of distributing power to other adjacent firewalls.

That is, the protection wall-integrated road lighting system according to another aspect of the present invention includes a concrete protection wall installed on the center of the road or a road, a power supply part installed on the upper part of the protection wall, and a lighting lamp installed toward the lower part of the protection wall from the outer surface of the protection wall. , It may include a cable for electrically connecting the power supply and the lighting lamp through the interior of the protective wall. Here, the protective wall includes a lighting recess for inserting a light into the outer wall, a light guide groove extending from the lighting recess and having a certain depth, and guiding the light beam of the lighting inserted into the lighting recess to the lower side of the protective wall. . The optical guide groove has a shape in which the width of the groove is widened from the seating groove of the lighting lamp to the lower side of the protection wall. In addition, the power supply unit includes a connector or an adapter to which a commercial power supply or an external power supply is connected.

19 is a block diagram of a road lighting system according to another embodiment of the present invention.

Referring to FIG. 19, the road lighting system according to the present embodiment includes a solar cell module 50, a control unit 80, an illumination lamp 70, a switching circuit 86, a sensor 88, and a communication unit 90. .

The solar cell module 50 includes a solar cell board 52 and a battery module 60. The solar cell board 52 may include a frame, glass, a sealing material, a solar cell plate, a sealing material, a back sheet, and a junction box. The solar cell plate may include a solar cell unit composed of solar cell unit modules, and a solar cell unit module arranged in an array. In this embodiment, the solar cell plate has a form in which solar cell unit modules of a predetermined size are arranged in two rows.

In addition, the solar cell board 52 includes a solar cell power control circuit 54. The solar cell power control circuit 54 transmits electricity generated from the solar cell unit module to the battery module 60 or the control unit 80 through an inverter or a power conversion circuit. The solar cell power control circuit 54 operates to supply power to the lighting lamp in an energy-independent manner by using electricity produced by the solar cell. In addition, the solar cell power control circuit 54 may operate according to a pre-stored or set operation process such as a power supply control algorithm, a battery control algorithm, and a charging efficiency control algorithm together with the control unit 80.

The aforementioned solar cell power control circuit 54 may also be referred to as a junction box with an inverter or power conversion circuit. The solar cell power control circuit 54 may be coupled to a solar cell board or mounted on a battery module, but is not limited thereto. The solar cell power control circuit 54 may be mounted on the controller 80 to which the solar cell board 52 is electrically connected. In that case, it may be connected to the battery module 60 through the solar cell power control circuit 54 that transmits the power of the solar cell unit module.

The battery module 60 may include rechargeable battery cells that can be charged and discharged, or battery packs each provided with secondary battery cells, and may further include a protection circuit that controls overcharging and overdischarging of the secondary battery cells. Information on the cell voltage, battery voltage, charge state, life, etc. sensed by the protection circuit of the battery module 60 may be transmitted to the controller.

The above-described solar cell module 50 is manufactured according to an optimization design of the solar cell board 52 and the battery module 60 so as to be seated on the upper surface of the concrete protection wall.

The lighting lamp 70 uses a light emitting diode (LED). When the LED is used as the lighting lamp 70, it has advantages such as long life, high color rendering, high light efficiency, and low power, compared to a conventional high-pressure sodium lamp or fluorescent lamp. The lighting lamp 70 is provided with an LED module, a bracket and a fixing means, and may be inserted into and installed in the lighting recess of the concrete protection wall.

In addition, the lighting lamp 70 may be dimmed and controlled by interlocking with lighting lamps of other adjacent wall-integrated road lighting devices connected to each other through a network by using an LED module.

In addition, the lighting lamp 70 is installed to be installed in the lighting recess, so that the lane, which is installed adjacent to the lower side of the concrete protection wall, can be focused. In this embodiment, the light beam of the lighting lamp 70 is irradiated toward the ground or the road surface toward the ground or the road surface along the light guide groove formed to be wider from the lighting seating groove on the outer surface of the protective wall.

According to this configuration, the lighting lamp 70 can effectively illuminate the lane around the protective wall even in bad weather at night when rain, snow, fog, etc. exist, or greatly improve driver visibility through dimming control. . In addition, it is possible to provide a road lighting system that can increase visibility than an LED street light and has an advantage of easy maintenance compared to a floor-mounted LED light.

The control unit 80 includes a lighting control circuit 82 and a remote management control circuit 84. The lighting control circuit 82 may operate in various operation modes such as a flashing operation and a sequential operation in addition to the basic operation of turning on or off the LED lamp of the lighting 70.

The remote management control circuit 84 may perform dimming control or flashing control to cope with the fog situation according to the fog-related control signal received through the communication unit 90 connected to the network.

The lighting control circuit 82 and the remote management control circuit 84 may control the switching circuit 86 connected to a single or multiple lightings 70 for operating mode control, dimming control, and the like.

The above-described network is interlocked with the control server and the control server, and transmits a control signal to a data concentrated unit (DCU) serving as an Internet of Things (IoT) gateway through a network server of a trunk network that is a broadband network. Remote control solutions. In that case, the communication unit 90 transmits the signal received from the data concentrator to the control unit 80, and the control unit 80 controls the operation of the road lighting system integrated with a firewall through a control module, an illumination module, and a power module. Can.

In addition, the communication unit 90 may be configured to utilize a LoRa platform using an unlicensed frequency band for linkage of an intelligent transportation system (ITS). By using the LoRa platform, it is possible to control 230 subs installed at 25m intervals on one master communication module, thus securing a maximum communication distance of 750m per master. In that case, the integrated road lighting system of the firewall is any one of thousands of nodes (device) connected to a gateway even during day or night or bad weather by a program command, so that the lighting of the road lights, dimming control, simultaneous flashing, sequential flashing And the like.

In addition, the LoRa platform is equipped with a control program using a LoRa (WAN) communication network, and can be equipped with monitoring and remote control functions by two-way communication. Using this, the remote control server that manages the integrated road lighting system according to the present embodiment can check the battery status of the road lighting system installed in the specific protection wall, and control the brightness and operation mode of the lighting.

In addition, according to the configuration of the above-described lighting lamp 70 and the control unit 80, it is possible to provide a low-cost, high-efficiency protection wall-integrated road lighting system from an integrated concrete protection wall of a solar cell module and a lighting lamp. In addition, it is possible to optimize the road lighting environment by applying a light distribution technology such as an optical guide groove while using an LED light having an optical system as the lighting lamp, and implement an optimal operation strategy with dimming control.

According to the above-described configuration, the road lighting apparatus according to the present embodiment can secure optimal visibility in response to a bad weather condition. In particular, the control unit 80 has an advantage in that it is possible to easily secure optimal visibility performance through lighting illumination control for each fog concentration by detecting fog by the sensor 88 or detecting fog concentration and controlling lighting brightness for each fog concentration. . The above-described sensor 88 may be embodied by irradiating light from both sides using an infrared sensor, and then detecting a degree of scattering of light at one point and measuring a visibility. This is applied to the principle that the more light is scattered the more fog, it can be simply mounted on the lighting (70). To this end, the control unit 70 may include a function of a sensor control circuit or a sensor controller.

Meanwhile, the above-described control unit 80, the switching circuit 86, the sensor 88, and the communication unit 90 may be integrally mounted to the frame or housing 70a of the lighting lamp 70, but are not limited thereto. Some of the above-described components may be distributedly disposed in the solar cell module 50.

20 is a flowchart illustrating an operating principle according to an embodiment of the road lighting system of FIG. 19.

Referring to FIG. 20, in the operation method of the road lighting system according to the present embodiment, the control unit receives a signal from the sensor (S201), detects fog based on the received sensor signal (S202), and detects the fog. It includes a series of processes for adjusting the brightness or illuminance of the lighting according to the concentration (S203). In addition, the present operating method can control the lighting operation mode according to the detected fog concentration (S204). The lighting operation mode control can be performed before, after, or simultaneously with lighting brightness adjustment.

21 is a flowchart illustrating an operating principle according to another embodiment of the road lighting system of FIG. 19.

Referring to FIG. 21, a method of operating a road lighting system according to the present embodiment, the control unit receives a fog-related control signal from a network through a communication unit (S211), and operates on lighting of a lighting lamp based on the fog-related control signal It may include a series of processes for setting the timing (S212) and dimming control of the lighting of the lighting lamp according to the set operating timing (S213).

In addition, according to the operation methods of the road lighting system according to the above-described embodiments, the control unit receives a fog-related control signal from a network through a communication unit, and sets an operation timing for lighting of the lighting lamp based on the fog-related control signal. And, the lighting can be dimmed according to the operation timing. In addition, before, after, or simultaneously with this series of processes, the control unit may determine the fog concentration based on the sensor signal from the sensor, and adjust the brightness of the lighting lamp according to the fog concentration.

Here, the protective wall includes a lighting recess for inserting a light into the outer wall, and a light guide groove extending from the lighting recess and having a certain depth to guide the light beam of the lighting lamp inserted into the lighting recess to the lower side of the protection wall, The optical guide groove has a form in which the width of the groove is widened from the seating groove of the lighting lamp to the lower side of the protection wall.

According to the above-described configuration, it is possible to provide a solar cell module and an illumination lamp (or fog lamp)-integrated PC protection wall (concrete protection wall) that can effectively secure visibility of road lighting even in bad weather at night. That is, in order to improve the visibility of the driver in front of the driver, in order to improve driving safety, unlike the existing line lighting, it is possible to provide a safe and comfortable road driving environment by securing an optimal viewing performance or a front view even at night and in bad weather (mist).

In addition, according to the above-described embodiment, according to the standard or standard of the concrete protection wall (PC protection wall) to secure the electrical stability of the light integrally installed on the protection wall and maximize the road lighting performance through a structure that effectively uses the optical performance, broadband It is possible to provide a new structure of a barrier-integrated road lighting system of a new structure with an energy-independent power supply system using a solar cell module that has been configured to be dimmable and controllable through a network including wireless communication, and has proven charging and discharging efficiency and long-term operational stability. .

As described above, in the detailed description of the present invention, preferred embodiments have been described, but a person having ordinary knowledge in the technical field of the present invention does not depart from the spirit and scope of the present invention as set forth in the claims below. It will be understood that the present invention can be variously modified and changed.

10: firewall
15: Home lighting fixtures
16: Optical guide groove
30: harness tube
50: solar cell module
70: lighting
100: integrated security road lighting system

Claims (9)

A protective wall made of concrete installed on the center of the road or on the side of the road;
A solar cell module installed on an upper portion of the protection wall;
An illumination lamp installed toward the lower side of the protection wall from the outer surface of the protection wall;
A control unit and a sensor mounted on the solar cell module or the lighting lamp; And
Includes a cable for electrically connecting the solar cell module and the lighting lamp through the inside of the protective wall;
The protective wall has a configuration in which the width of the upper end portion is narrower than the lower end portion, and has a specification of a lower portion of the lower portion of the lower portion at a first ratio and a lower portion of the upper portion of the lower portion at a second ratio smaller than the first ratio.
The protective wall, an illumination light seating groove for inserting the lighting lamp inside the outer wall, an optical guide extending from the lighting lamp mounting groove, having a certain depth, and guiding the light beam of the lighting lamp inserted into the lighting lamp mounting groove to the lower side of the protection wall With a groove,
The light guide groove has a form in which the width of the groove widens from the lighting seating groove to the lower side of the protection wall, and the shape of the light guide groove has a width of a lower end compared to a width of an upper end contacting the lighting seating groove in a light concentrating side. About 2 to about 4 times,
The bottom portion is provided with a bottom groove extending between both side edges in the longitudinal direction of the protective wall from the bottom surface corresponding to the bottom middle portion of the light guide groove, wherein the bottom groove has a structure in which the width of the light guide groove is widened. By having a stepped portion inclined with the bottom surface,
The control unit detects fog based on the signal of the sensor, adjusts the lighting brightness according to the fog concentration, or controls the lighting operation mode according to the fog concentration. The method according to claim 1,
The protective wall has an upper seating groove into which the solar cell module is inserted,
The upper seating groove is provided with a stepped portion by the difference in width between the solar cell board and the battery module below the solar cell board among the solar cell modules, and is disposed on one side of the inner cable passage through which the cable passes at the bottom of the upper seating groove. One-way road lighting system that connects with one hole. The method according to claim 2,
The lighting recess is connected to the second hole on the other side of the inner cable passage,
The lighting lamp is a light-emitting diode (light emitting diode, LED) module and a bracket for supporting the LED module, a protective wall integrated road lighting system comprising a fixture fixing means for fixing the bracket to the bottom of the lighting recess. delete The method according to claim 1,
Further comprising a communication unit connected to the control unit,
The control unit receives a fog-related control signal from the network through the communication unit, sets an operating timing for lighting of the lighting lamp based on the fog-related control signal, and a protective wall-integrated road for dimming and controlling the lighting lamp according to the operating timing Lighting system. A protective wall made of concrete installed on the center of the road or on the side of the road;
A power supply unit installed on an upper portion of the protection wall;
An illumination lamp installed toward the lower side of the protection wall from the outer surface of the protection wall;
A control unit and a sensor mounted on the power supply unit or the lighting lamp; And
Includes; a cable for electrically connecting the power supply and the lighting lamp through the inside of the protective wall,
The protective wall has a configuration in which the width of the upper end portion is narrower than the lower end portion, and has a specification of a lower portion of the lower portion of the lower portion at a first ratio and a lower portion of the upper portion of the lower portion at a second ratio smaller than the first ratio.
The protective wall, an illumination light seating groove for inserting the lighting lamp inside the outer wall, an optical guide extending from the lighting lamp mounting groove, having a certain depth, and guiding the light beam of the lighting lamp inserted into the lighting lamp mounting groove to the lower side of the protection wall With a groove,
The light guide groove has a form in which the width of the groove widens from the lighting seating groove to the lower side of the protection wall, and the shape of the light guide groove has a width of a lower end compared to a width of an upper end contacting the lighting seating groove in a light concentrating side. About 2 to about 4 times,
The bottom portion is provided with a bottom groove extending between both side edges in the longitudinal direction of the protective wall from the bottom surface corresponding to the bottom middle portion of the light guide groove, wherein the bottom groove has a structure in which the width of the light guide groove is widened. By having a stepped portion inclined with the bottom surface,
The control unit detects fog based on the signal of the sensor, adjusts the lighting brightness according to the fog concentration, or controls the lighting operation mode according to the fog concentration. The method according to claim 6,
The power supply unit is a protective wall integrated road lighting system including a connector to which a commercial power source or an external power source is connected. As a method of operating the integrated road lighting system of a firewall,
The integrated road lighting system of the protection wall may include a concrete protection wall installed at the center of the road or on the side of the road; A power supply unit installed on an upper portion of the protection wall; An illumination lamp installed toward the lower side of the protection wall from the outer surface of the protection wall; A cable electrically connecting the power supply unit and the lighting lamp through the inside of the protection wall; A control unit for controlling the operation of the solar cell module or the lighting lamp; And a communication unit connected to the control unit,
The protective wall has a configuration in which the width of the upper end portion is narrower than the lower end portion, and has a specification of a lower portion of the lower portion of the lower portion at a first ratio and a lower portion of the upper portion of the lower portion at a second ratio smaller than the first ratio.
The protective wall, an illumination light seating groove for inserting the lighting lamp inside the outer wall, an optical guide extending from the lighting lamp mounting groove, having a certain depth, and guiding the light beam of the lighting lamp inserted into the lighting lamp mounting groove to the lower side of the protection wall A groove, wherein the light guide groove has a shape in which the width of the groove is widened from the lighting seating groove to the lower side of the protective wall, and the shape of the light guide groove is at an upper portion of the light converging side contacting the lighting seating groove. The width of the lower portion compared to the width is about 2 times to about 4 times,
A bottom groove extending from the bottom surface corresponding to the bottom middle portion of the light guide groove to the edges of both sides in the longitudinal direction of the protective wall is provided at the bottom of the protective wall, and the bottom groove has a wide width of the light guide groove. The paper structure has a stepped portion inclined with the bottom surface,
The control unit receiving a fog-related control signal from the network through the communication unit;
Setting an operation timing for illumination of a lighting lamp based on the fog-related control signal; And
Dimming the lighting lamp according to the operation timing;
A method of operating a wall-integrated road lighting system comprising a. The method according to claim 8,
Determining a fog concentration based on a sensor signal from a sensor connected to the control unit; And adjusting the brightness of the lighting according to the fog concentration.

Images