CN110258376A - A kind of display device of bearing-type mattess - Google Patents

Abstract

A display device for a load-bearing concrete floor, comprising a metal load-bearing frame, an LED light-emitting board is arranged inside the metal load-bearing frame, and a metal grid structure support is installed on the metal load-bearing frame, and the metal grid structure support body and the LED light-emitting plate There is a certain vertical distance between them, and the metal grid structure support is covered with a light-transmitting concrete panel. The invention has good mechanical properties, wear resistance and durability, is suitable for active display of road surface in complex urban traffic environment, makes dynamic display of bearing road surface information possible, promotes the development of intelligent transportation, and improves rain and snow weather conditions The display brightness of the lower road signs can effectively improve the efficiency of motor vehicle traffic and ensure traffic safety.

Description

A display device for a load-bearing concrete floor

technical field

The invention belongs to the technical field of functional cement-based composite materials, and in particular relates to a display device for a load-bearing concrete floor.

Background technique

With the rapid development of the economy, public places such as high-speed rail stations, subway stations, and pedestrian streets play an important role in people's lives. The large number of people in public places makes the ground signs more and more important. The ground signs can guide and increase the flow of people. Traffic safety, promotion of information dissemination, etc.

The current forms of ground signs mainly include sticky ground signs, ground sprayed traffic signs, buried lights, etc., but the sticky ground signs have poor wear resistance and are very easy to be damaged due to wear and tear. Sprayed traffic signs have better durability, but in The use effect is poor under severe rainy and snowy weather conditions, which affects the driving safety of motor vehicles, and cannot perform dynamic traffic instructions; the cover of the underground lamp is mainly made of tempered glass or polycarbonate (PC) and other transparent covers, bearing capacity, durability Grinding and information display function is poor.

Chinese patent 201610154501.4 discloses an intelligent traffic device for eye-catching reminders at intersections. The device evenly distributes LED lights in arrow-shaped placement grooves on motor vehicles and bicycle lanes, and sets glass above the placement grooves to waterproof and carry road loads. . Although this device can play a warning role and improve traffic safety, its surface bearing capacity is poor, and the small friction coefficient of the glass material is not conducive to driving safety and is not conducive to large-scale adoption on roads.

Chinese patent 201520101373.8 discloses a ground evacuation sign lamp with a panel and a lamp body separated, including a transparent panel with a sign symbol and a lamp body with a light source. The light emitted by the lamp body transmits information through the panel with the sign symbol. The sign light is low in cost, easy to install, and easy to seal; the transparent panel is made of polycarbonate (PC) engineering plastics, which has good light transmission, but poor carrying capacity and durability, and can only be used for indoor evacuation instructions.

Chinese patent 201620681388.0 discloses a method for preparing a light-transmitting concrete wall display, which consists of a light-transmitting concrete panel, a fixing bracket and a light-emitting component. The light-transmitting concrete panel is composed of a cement matrix and a transparent resin. The transparent resin is embedded in the uniformly arranged light-transmitting holes in the cement matrix. A fixed bracket is set on the back, which is relatively fixed with the light-transmitting concrete panel. The light-emitting component is installed on the fixing bracket to emit light. The components are projectors or uniformly arranged LED lights, which correspond one-to-one to the light-transmitting holes of the light-transmitting concrete panels. However, the display screen structure has poor bearing capacity in the direction perpendicular to the display plane, and is not suitable for use in ground marking systems, especially on main roads for load-bearing motor vehicles with traffic load requirements.

Contents of the invention

In order to overcome the above-mentioned shortcomings of the prior art and aim at the existing problems in the field of floor display, the object of the present invention is to provide a load-bearing concrete floor display device, which greatly improves the bearing capacity and has good wear resistance and durability , can be used for motor vehicle main road

In order to achieve the above object, the technical scheme adopted in the present invention is:

A display device for a load-bearing concrete floor, characterized in that it includes a metal load-bearing frame 1, an LED light-emitting panel 2 is arranged inside the metal load-bearing frame 1, a metal grid structure support body 3 is covered and installed on the metal load-bearing frame 1, and a metal grid structure is installed on the metal load-bearing frame 1. There is a certain vertical distance between the grid structure support body 3 and the LED light emitting board 2 , and the metal grid structure support body 3 is covered with a light-transmitting concrete panel 4 .

The upper end surface of the metal bearing frame 1 is a stepped surface, the metal grid structure support body 3 is arranged on the lower edge of the stepped surface, and the top surface is flush with the stepped surface.

Two adjacent LED lamps on the LED lamp light-emitting board 2 are separated by plastic or rubber partitions 5 to prevent cross-light phenomenon.

The light-transmitting concrete panel 4 is composed of a concrete matrix and a light-transmitting material, and the light-transmitting material is an array of light-transmitting columns arranged in an orderly manner, running through the upper and lower surfaces of the concrete matrix.

The light-transmitting pillars in the light-transmitting pillar array are perpendicular to the ground and have a height of 10-150mm. The cross-sectional shape of the light-transmitting pillars is a regular polygon, a circle or an ellipse. When it is a regular polygon, the side length is 1-20mm ; When it is circular, the radius is 1-10mm.

The LED lamps on the LED light-emitting board 2 correspond one-to-one to the light-transmitting columns in the light-transmitting column array.

The grids of the metal grid structure support body 3 are in one-to-one correspondence with the LED lamps on the LED light emitting board 2, and each grid allows the light of one LED lamp to pass through.

The concrete matrix is prepared by pouring molding or static pressure molding, and the material is cement concrete, cement mortar or asphalt concrete, and the light-transmitting material is optical fiber or high light-transmitting resin.

The cement used in the cement concrete is Portland cement or sulphoaluminate cement, the asphalt concrete is petroleum asphalt concrete or coal asphalt concrete, and the maximum diameter of the aggregate in the cement concrete and asphalt concrete is smaller than that of light-transmitting The minimum distance from the edge of the hole; the optical fiber is silica optical fiber, polymethyl methacrylate PMMA optical fiber or polystyrene PS optical fiber.

The display device on the load-bearing concrete floor has a cross-sectional shape parallel to the ground, such as rectangle, polygon, circle or ellipse. When it is a rectangle, its size is 50-600mm in length and 50-600mm in width.

Compared with the prior art, the load-bearing concrete floor display device of the present invention is mainly composed of four parts: a light-transmitting concrete panel, a metal grid structure support body, an LED light-emitting panel, and a metal load-bearing frame, and has good mechanical properties, durability Wear resistance and durability, suitable for active display of road pavement in complex urban traffic environment, making dynamic display of road surface information possible, promoting the development of intelligent transportation, and improving the display brightness of road signs under rainy and snowy weather conditions, which can be effectively Improve motor vehicle traffic efficiency and ensure traffic safety.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the present invention.

Detailed ways

The implementation of the present invention will be described in detail below in conjunction with the drawings and examples.

Example 1

Referring to FIG. 1 , the present invention is a load-bearing concrete floor display device, which is mainly composed of a light-transmitting concrete panel 4 , a metal grid structure support body 3 , a metal load-bearing frame 1 and an LED light emitting board 2 . The size of the light-transmitting concrete panel 4 is 50 mm in length, 100 mm in width, and 10 mm in thickness, and is made of sulphoaluminate cement slurry and PMMA optical fiber. First use the fixed mold to arrange the PMMA optical fibers evenly and neatly, then prepare the cement fixing groove, then prepare the cement slurry with sulphoaluminate cement, water reducing agent, admixture and water, and pour the prepared slurry into the cement fixing groove , through curing, demoulding, grinding, polishing, and finally get light-transmitting concrete products.

The light-transmitting concrete panel 4 is composed of a concrete matrix and a light-transmitting material, wherein the light-transmitting material is an array of light-transmitting columns arranged in an orderly manner, and the material of the light-transmitting columns is PMMA optical fiber. The distance between the columns is 5mm, and the cross-sectional shape of the transparent columns perpendicular to the ground is circular.

The LED lamp light-emitting board 2 is composed of a number of evenly arranged LED lamps, wherein the LED lamps correspond to the light-transmitting columns in the light-transmitting concrete panel 4 one by one. The light emitted by the LED lamp is transmitted to the panel through the optical fiber light-transmitting column in the light-transmitting concrete panel 4 to achieve a display effect. Two adjacent LED lamps on the LED light emitting board 2 are separated by plastic or rubber partitions 5 to prevent cross-light phenomenon from occurring.

The support structure has two parts, one is the metal grid structure support body 3 made of stainless steel with a size of 50 mm in length, 100 mm in width and 3 mm in thickness, which mainly relieves the pressure of the light-transmitting concrete panel 4 . The second is the metal bearing frame 1 made of stainless steel, which is mainly used to protect the LED light emitting board 2 from damage under load conditions.

Example 2

Referring to FIG. 1 , the present invention is a load-bearing concrete floor display device, which is mainly composed of a light-transmitting concrete panel 4 , a metal grid structure support body 3 , a metal load-bearing frame 1 and an LED light emitting board 2 . The size of the light-transmitting concrete panel 4 is 250mm in length, 250mm in width, and 50mm in thickness, and is made of Portland cement paste and PS optical fiber. First, use a fixed mold to arrange the PS optical fibers evenly and neatly, then prepare the cement fixing groove, then prepare the cement slurry with Portland cement, water reducing agent, admixture and water, and pour the prepared slurry into the cement fixing groove; Through curing, demoulding, grinding, and polishing, the light-transmitting concrete products are finally obtained.

The light-transmitting concrete panel 4 is composed of a concrete matrix and a light-transmitting material, wherein the light-transmitting material is an array of light-transmitting columns arranged in an orderly manner, and the material of the light-transmitting columns is PS optical fiber. The distance between the light columns is 6mm, and the cross-sectional shape of the light column perpendicular to the ground is circular.

The LED lamp light-emitting board 2 is composed of a number of evenly arranged LED lamps, wherein the LED lamps correspond to the light-transmitting columns in the light-transmitting concrete panel 4 one by one. The light emitted by the LED lamp is transmitted to the panel through the optical fiber light-transmitting column in the light-transmitting concrete panel 4 to achieve a display effect. Two adjacent LED lamps on the LED light emitting board 2 are separated by plastic or rubber partitions 5 to prevent cross-light phenomenon from occurring.

The support structure has two parts. One is the metal grid structure support body 3 made of aluminum alloy with a size of 250 mm in length, 250 mm in width and 4 mm in thickness, which mainly relieves the pressure of the light-transmitting concrete panel 4 . The second is the metal bearing frame 1 made of aluminum alloy, which is mainly used to protect the LED light emitting board 2 from being damaged under load conditions.

Example 3

Referring to FIG. 1 , the present invention is a load-bearing concrete floor display device, which is mainly composed of a light-transmitting concrete panel 4 , a metal grid structure support body 3 , a metal load-bearing frame 1 and an LED light emitting board 2 . The light-transmitting concrete panel 4 measures 450mm in length, 450mm in width, and 100mm in thickness, and is made of self-compacting cement mortar and epoxy resin. First prepare the cement fixing groove, then prepare the cement mortar with self-compacting cement mortar, water reducing agent, admixture and water, pour the prepared mortar into the cement fixing groove, and then drill holes when the cement is half-hardened, and fill the pores Epoxy resin is added, and after it is completely hardened, curing, demoulding, grinding, and polishing are started, and finally a light-transmitting concrete product is obtained.

The light-transmitting concrete panel 4 is composed of a concrete matrix and a light-transmitting material, wherein the light-transmitting material is an array of light-transmitting columns arranged in an orderly manner, and the material of the light-transmitting columns is epoxy resin. The distance between the light columns is 10mm, and the cross-sectional shape of the light column perpendicular to the ground is circular.

The LED lamp light-emitting board 2 is composed of a number of evenly arranged LED lamps, wherein the LED lamps correspond to the light-transmitting columns in the light-transmitting concrete panel 4 one by one. The light emitted by the LED lamp is transmitted to the panel through the resin light-transmitting column in the light-transmitting concrete panel 4 to achieve a display effect.

The support structure has two parts, one is the metal grid structure support body 3 made of copper with a size of 450 mm in length, 450 mm in width and 5 mm in thickness, which mainly relieves the pressure of the light-transmitting concrete panel 4 . The second is the metal bearing frame 1 made of copper, which is mainly used to protect the LED light emitting board 2 from damage under load conditions.

Example 4

Referring to FIG. 1 , the present invention is a load-bearing concrete floor display device, which is mainly composed of a light-transmitting concrete panel 4 , a metal grid structure support body 3 , a metal load-bearing frame 1 and an LED light emitting board 2 . The size of the light-transmitting concrete panel 4 is 300mm in length, 600mm in width, and 150mm in thickness, and is made of petroleum asphalt concrete and polyester resin filaments. First, use a 3D printer to prepare polyester resin arrays that are neatly and evenly arranged, then prepare asphalt fixing grooves, put the arrays into the fixing grooves, pour the prepared petroleum asphalt concrete into the concrete fixing grooves, and finally obtain transparent through rolling. Light concrete products.

The light-transmitting concrete panel 4 is composed of a concrete matrix and a light-transmitting material, wherein the light-transmitting material is an array of light-transmitting columns arranged in an orderly manner, and the material of the light-transmitting columns is polyester resin. The distance between the light columns is 14mm, and the cross-sectional shape of the light column perpendicular to the ground is circular.

The LED lamp light-emitting board 2 is composed of a number of evenly arranged LED lamps, wherein the LED lamps correspond to the light-transmitting columns in the light-transmitting concrete panel 4 one by one. The light emitted by the LED lamp is transmitted to the panel through the resin light-transmitting column in the light-transmitting concrete panel 4 to achieve a display effect.

The support structure has two parts, one is the metal grid structure support body 3 made of stainless steel with a size of 300mm in length, 600mm in width and 6mm in thickness, which mainly relieves the pressure of the light-transmitting concrete panel. The second is the metal bearing frame 1 made of stainless steel, which is mainly used to protect the LED light emitting board from being damaged under load conditions.

The above is only one embodiment of the present invention, not all or the only embodiment. Any equivalent transformation of the technical solution of the present invention adopted by those of ordinary skill in the art by reading the description of the present invention is the right of the present invention. covered by the requirements.

Claims (10)

1. A display device on a load-bearing concrete floor, characterized in that it comprises a metal load-bearing frame (1), the metal load-bearing frame (1) is provided with an LED light-emitting panel (2), and the metal load-bearing frame (1) is covered with a The metal grid structure support (3), there is a certain vertical distance between the metal grid structure support (3) and the LED light-emitting panel (2), and the upper part of the metal grid structure support (3) is covered with light-transmitting Concrete panels (4). 2. The display device for load-bearing concrete ground according to claim 1, characterized in that, the upper end surface of the metal load-bearing frame (1) is a step surface, and the metal grid structure support body (3) is arranged under the step surface The top surface is flush with the edge of the step surface. 3. The display device for load-bearing concrete ground according to claim 1, characterized in that, a plastic or rubber partition (5) is used to separate two adjacent LED lights on the LED light emitting board (2) to prevent The occurrence of cross-light phenomenon. 4. The display device for load-bearing concrete ground according to claim 1, wherein the light-transmitting concrete panel (4) is composed of a concrete matrix and a light-transmitting material, and the light-transmitting material is an orderly arranged light-transmitting An array of light columns runs through the upper and lower surfaces of the concrete matrix. 5. The display device for load-bearing concrete ground according to claim 4, wherein the light-transmitting columns in the light-transmitting column array are perpendicular to the ground, and the height is 10-150mm, and the cross-sectional shape of the light-transmitting columns is Regular polygon, circle or ellipse, when it is a regular polygon, the side length is 1-20mm; when it is a circle, the radius is 1-10mm. 6 . The display device for load-bearing concrete floors according to claim 4 , wherein the LED lights on the LED light-emitting board ( 2 ) correspond one-to-one to the light-transmitting columns in the light-transmitting column array. 7 . 7. The display device for load-bearing concrete ground according to claim 3 or 6, characterized in that, the grid of the metal grid structure support body (3) corresponds to the LED lights on the LED light emitting board (2) one by one , each grid allows the light of one LED lamp to pass through. 8. The display device for load-bearing concrete floors according to claim 4, wherein the concrete matrix is prepared by pouring molding or static pressure molding, and the material is cement concrete, cement mortar or asphalt concrete, and the light-transmitting material For optical fiber or high transmittance resin. 9. The display device for the load-bearing concrete floor according to claim 8, wherein the cement type used in the cement concrete is Portland cement or sulphoaluminate cement, and the asphalt concrete is petroleum asphalt concrete or Coal tar pitch concrete, the aggregate maximum diameter in described cement concrete and bituminous concrete is less than the minimum distance of light-transmitting hole edge; Described optical fiber is quartz optical fiber, polymethyl methacrylate (PMMA) optical fiber or polystyrene (PS) optical fiber. 10. The display device for the load-bearing concrete floor according to claim 1, characterized in that, the cross-sectional shape of the display device for the load-bearing concrete floor in the direction parallel to the ground is rectangular, polygonal, circular or elliptical, when it is When rectangular, its size is 50-600mm in length and 50-600mm in width.