LED active-luminous traffic marking based on light-transmitting concrete and construction method thereof

Abstract

The present disclosure relates to an LED active luminous traffic marking based on light-transmitting concrete and a construction method thereof. The luminous traffic marking includes a light-transmitting concrete layer and a light source layer that are arranged vertically, where the light-transmitting concrete layer includes a concrete base and a plurality of light-guide fibers embedded in the concrete base, the light source layer includes an integrated LED light source board and a packaging protective shell for packaging the integrated LED light source board, the packaging protective shell is a shell with anchoring hollow protrusions, and the packaging protective shell is anchored to the concrete base through the anchoring hollow protrusions. Compared with the prior art, the present disclosure improves the visibility, digitalization and intelligence level of road traffic markings, and has a broad application prospect.

Claims

1. A light emitting diode (LED) active luminous traffic marking based on light-transmitting concrete, comprising: a light-transmitting concrete layer and a light source layer that are arranged vertically, wherein the light-transmitting concrete layer comprises a concrete base and a plurality of light-guide fibers embedded in the concrete base, wherein the light-guide fiber comprises an inward light-guide fiber and an outward light-guide fiber, wherein the outward light-guide fiber is an inclined outward light-guide fiber, the light source layer comprises an integrated LED light source board and a packaging protective shell for packaging the integrated LED light source board, wherein the integrated LED light source board comprises a circuit board and a solar panel, LED lamp beads, a storage battery, and control devices that are integrated on the circuit board, and the position of the solar panel corresponds to positions of the inward light-guide fibers, and positions of the LED lamp beads correspond to positions of the outward light-guide fibers, and wherein the inward light-guide fibers guide external light to provide energy for the solar panel, and the outward light-guide fibers guide light generated by the LED lamp beads out of the LED active luminous traffic marking based on light transmitting concrete, the packaging protective shell is a shell with anchoring hollow protrusions, and the packaging protective shell is anchored to the concrete base through the anchoring hollow protrusions, wherein a quantity of the anchoring hollow protrusions corresponds to a quantity of the light-guide fibers, and when the packaging protective shell is anchored to the concrete base, the light-guide fibers pass through hollow portions of the anchoring hollow protrusions, wherein when the packaging protective shell packages the integrated LED light source board, LED lamp beads are inserted into hollow portions of the anchoring hollow protrusions.

2. The LED active luminous traffic marking based on light-transmitting concrete according to claim 1, wherein raw materials of the concrete base comprise cement, aggregate, a superplasticizer, and water.

3. The LED active luminous traffic marking based on light-transmitting concrete according to claim 1, wherein a joint between the light-guide fiber and the anchoring hollow protrusion is provided with a sealing waterproof layer.

4. The LED active luminous traffic marking based on light-transmitting concrete according to claim 1, wherein the LED lamp beads are monochromatic lamp beads or RGB multi-color lamp beads.

5. A construction method for the LED active luminous traffic marking based on light-transmitting concrete according to claim 1, comprising: (1) making and commissioning the integrated LED light source board; (2) packaging the integrated LED light source board in the packaging protective shell; (3) inserting the light-guide fibers into the anchoring hollow protrusions, setting up a concrete pouring mold on the packaging protective shell, and fastening the light-guide fibers through a holed mold; (4) pouring a cement concrete slurry into the concrete pouring mold, and after standard curing, demoulding, and continued standard curing, carrying out grinding and polishing to obtain the luminous traffic marking; and (5) embedding the luminous traffic marking into a pavement structure, and ensuring that a surface of the luminous traffic marking is flush with a road surface.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) FIG. 1 is a schematic structural diagram of a traffic marking according to the present disclosure.

(2) FIG. 2 is a schematic diagram of an anchoring hollow protrusion according to the present disclosure.

(3) FIG. 3 is a schematic diagram of a vertical light-guide fiber according to the present disclosure.

(4) FIG. 4 is a schematic diagram of an inclined light-guide fiber according to the present disclosure.

(5) FIG. 5 is a schematic diagram of a traffic marking embedded into pavement surface according to the present disclosure.

DETAILED DESCRIPTION

(6) The present disclosure is described in detail below with reference to the accompanying drawings and specific embodiments. The embodiments are implemented on the premise of the technical solution of the present disclosure and provide the detailed implementations and specific operation processes, but the protection scope of the present disclosure is not limited to the following embodiments.

(7) As shown in FIG. 1, this embodiment provides a cylindrical LED active luminous traffic marking based on light-transmitting concrete, including a light-transmitting concrete layer 1 and a light source layer that are arranged vertically. The light-transmitting concrete layer 1 includes a concrete base 101 and a plurality of light-guide fibers 102 embedded in the concrete base 101, the light source layer includes an integrated LED light source board 3 and a packaging protective shell 2 for packaging the integrated LED light source board 3, the packaging protective shell 2 is a shell with anchoring hollow protrusions 201, and the packaging protective shell 2 is anchored to the concrete base 101 through the anchoring hollow protrusions 201. The integrated LED light source board 3 includes a circuit board 301 and a solar panel 302, LED lamp beads 303, a storage battery 304, and control devices 305 that are integrated on the circuit board 301, and positions of the solar panel 302 and the LED lamp beads 303 correspond to positions of the light-guide fibers 102.

(8) In this embodiment, the light-guide fiber 102 includes a vertical inward light-guide fiber and an inclined outward light-guide fiber, as shown in FIG. 3 and FIG. 4. The vertical light-guide fiber guides external light from the sun, car lights, roadside lighting into the component to provide energy for the solar panel built in the component. The inclined light-guide fiber guides light generated by the built-in LED out of the component so that the traffic marking can be visually recognized by drivers. A dosage and a tilt angle of the inclined light-guide fibers may be set as required. Table 1 shows fiber dosage under different design speed conditions, which is determined from the perspective of cost-effectiveness and visibility.

(9) TABLE-US-00001 TABLE 1 Fiber dosage under different design speed conditions Design speed/km .Math. h − 1 120 100 80 60 Fiber dosage/pcs 6 4 3 2

(10) In this embodiment, a structure of the anchoring hollow protrusion 201 is shown in FIG. 2. The light-guide fibers 102 and the LED lamp beads 303 may be placed in hollow portions of the anchoring hollow protrusions 201.

(11) In this embodiment, a joint between the light-guide fiber 102 and the anchoring hollow protrusion 201 is provided with a sealing waterproof layer.

(12) In this embodiment, the LED lamp beads are monochromatic lamp beads or RGB multi-color lamp beads, to implement basic traffic safety control modes such as “red for no passing, yellow for alerting, and green for passing”.

(13) A construction method for the LED active luminous traffic marking based on light-transmitting concrete is divided into fabrication and installation of the luminous traffic marking. The fabrication of the luminous traffic marking specifically includes the following steps:

(14) (1) Make and commission the integrated LED light source hoard: Arrange the solar power board 302, the LED lamp beads 303, the storage battery 304, and the control devices 305 on the circuit board 301 in a specific sequence, and commission and connect all the parts to ensure that they can work properly.

(15) (2) Package the fabricated integrated LED light source board 3 into the packaging protective shell 2. During packaging, insert the LED lamp beads 303 into the anchoring hollow protrusions 201.

(16) (3) Insert, into the anchoring hollow protrusions 201, vertical and inclined light-guide fibers that have been processed in advance based on parameters such as sizes and tilt angles, and take sealing and waterproof treatment on their joints.

(17) (4) Set up a concrete pouring mold on an upper surface of the packaging protective shell 2, use a holed mold to fasten the light-guide fibers, slowly pour a mixed cement concrete slurry into the mold, and compact according to a standard compaction method for concrete components.

(18) (5) Put the cast luminous concrete block in a standard curing room for 48 hours, demould it, and then continue the 28-day standard curing.

(19) (6) Cut, grind and polish the luminous concrete component after the 28-day standard curing. Specifically, cut excess concrete and fibers from the upper surface, and carry out overall grinding and polishing, to obtain a complete LED active luminous traffic marking block based on light-transmitting concrete.

(20) In this embodiment, a diameter of the LED lamp bead is 5 mm, a diameter of the light-guide fiber is 6 mm, a type of the light-guide fiber is PMMA plastic fiber, and fiber dosage is 9 pcs (including 3 pieces of vertical light-guide fiber and 6 pieces of inclined light-guide fiber). Further, the LED lamp heads and the fiber type and dosage may be adjusted according to actual requirements.

(21) In this embodiment, materials of the concrete base include Conch P⋅O42.5 cement, river sand with a particle size of 0.15 mm to 1.18 mm, and a polycarhoxylate superplasticizer. A mass ratio of cement to aggregate is 1:1, a water cement ratio is 0.33, and superplasticizer dosage is 0.67% of cement mass. Further, the materials used in the concrete matrix and their mixing ratio may be adjusted according to actual requirements.

(22) FIG. 5 shows installation of the luminous traffic marking. The luminous traffic marking 10 is embedded in a pavement structure 20, a surface of the luminous traffic marking is flush with the road surface, and a grouting material 30 is filled between the luminous traffic marking 10 and the pavement structure 20. The luminous component is installed in the road surface in two modes: pre-buried and excavated. The pre-buried mode is suitable for new roads. The excavated mode is suitable for existing roads. The luminous component may be installed and maintained according to the steps of hole drilling, block placing, grouting, and curing and repairing.

(23) The foregoing are detailed descriptions of the preferred specific embodiment of the present disclosure. It will be understood that a person of ordinary skill in the art can make various modifications and variations according to the concept of the present disclosure without creative efforts. Therefore, all technical solutions that a person skilled in the art can arrive at based on the prior art through logical analysis, deduction, or limited experiments according to the concept of the present disclosure shall fall within the protection scope defined by the appended claims.