CN210627802U

CN210627802U - Shading panel type self-luminous indicating board

Info

Publication number: CN210627802U
Application number: CN201921814537.6U
Authority: CN
Inventors: 刘永华; 刘克强; 赵庆亮
Original assignee: Jiaozuo Ruifulai Reflective Material Co ltd
Current assignee: Jiaozuo Ruifulai Reflective Material Co ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-05-26
Anticipated expiration: 2029-10-28

Abstract

The utility model relates to a luminous signpost technical field specifically discloses a shading panel formula self-luminous sign, including light guide plate, light screen, reflectance coating, light source, fixing device, the front of light guide plate sets up the recess for instruction information position part is protruding, the light screen sets up in the depressed part of light guide plate, the reflectance coating sets up in the back of light guide plate, the light screen with the outside of reflectance coating is the shape similarity, the light guide plate, the light screen with the reflectance coating is the flat board; the light source is arranged on one side of the light guide plate close to the edge; the fixing device is disposed at the outer sides of the light guide plate, the light blocking plate and the reflective film so that the light guide plate, the light blocking plate and the reflective film are integrated. The utility model discloses a light screen has realized that the instruction information part shows more outstanding effect under luminous state.

Description

Shading panel type self-luminous indicating board

Technical Field

The utility model belongs to the technical field of luminous denoter technique and specifically relates to a shading panel formula self-luminous sign is related to.

Background

The sign indicator board has wide application fields, including warning, prohibition, indication and direction indication road traffic signs of urban roads; an exit way directing mark, a curve line shape inducing mark and a contour mark of the expressway; warning signs for rural roads; other construction work area signs, etc., the traffic sign boards arranged on public roads have important effects on driving safety. The current denoter often adopts a surface to attach the stereoplasm lamina membranacea who scribbles novel luminous material, send diffuse reflection's light receiving the light irradiation formula, help showing watching of content to the denoter, belong to low demonstration light source board, but when not having or only light irradiation of lower intensity in bad weather or night, owing to can't distinguish out the whole of sign, make pedestrian and driver can't the accurate content that reachs the sign, make the sign famous and inexistence, the phenomenon of damaging the denoter appears scraping and bumping even in the vehicle.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at the not enough of prior art, provide a shading panel formula self-luminous sign, realized through the light screen that the instruction information part shows more outstanding effect under the luminous state.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a shading panel type self-luminous indicator comprises a light guide plate, a shading plate, a reflecting film, a light source and a fixing device, wherein the shading plate is provided with hollowed-out indicating information, the light guide plate is arranged on the back surface of the shading plate, the reflecting film is arranged on the back surface of the light guide plate, the outer sides of the light guide plate, the shading plate and the reflecting film are similar in shape, and the light guide plate, the shading plate and the reflecting film are flat plates; the light source is arranged on one side of the light guide plate close to the edge; the fixing device is disposed at the outer sides of the light guide plate, the light blocking plate and the reflective film so that the light guide plate, the light blocking plate and the reflective film are integrated.

Furthermore, the front surface of the light guide plate is provided with a recess, so that the light guide plate is provided with a protrusion corresponding to the position part of the light shielding plate indicating information, and the light shielding plate is arranged at the recess part of the light guide plate.

Furthermore, a light homogenizing plate for filling the hollow part of the light screen is arranged on the front surface of the light guide plate.

Furthermore, a transparent plate for filling the hollow part of the light screen is arranged on the front surface of the light guide plate.

Further, the light source is an LED lamp strip.

Furthermore, the fixing device comprises a frame arranged on the outermost side of the light shielding plate, a pressing plate is arranged outside the frame through a bolt, and the reflecting film and the light guide plate are fixed on the light shielding plate.

Furthermore, the light source is arranged on one side of the frame close to the light guide plate, and the light emitting direction of the light source faces to the center direction of the light guide plate.

Further, the light source is disposed in a groove or a notch on a side surface of the light guide plate, and a light emitting direction of the light source faces a center direction of the light guide plate.

Furthermore, a groove is formed in the position, close to the edge of the side face, of the back face of the light guide plate, the light source is arranged in the groove, and the light emitting direction of the light source faces the center direction of the light guide plate.

The utility model has the advantages that:

the utility model adopts the mode that the light screen shields the non-indication information, so that the indication information part is more prominently displayed; on the other hand, the problem that the full-luminous sign is in a hollow shape in the rain and fog weather under the condition of light scattering is reduced, so that the information content displayed on the sign can be observed more easily; the large-scale sign can be realized by combining a plurality of light guide plates, light sources and/or reflecting films which are positioned on the light shielding plates while ensuring the luminous intensity.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic sectional structure of the present invention;

fig. 2 is an enlarged schematic structural diagram of a point a according to an embodiment of the present invention;

fig. 3 is an enlarged schematic structural diagram of a point a according to another embodiment of the present invention;

fig. 4 is an enlarged schematic structural diagram of a point a according to another embodiment of the present invention;

fig. 5 is an enlarged schematic view of point a according to another embodiment of the present invention;

in the figure: the light source comprises a light guide plate 1, a reflection film 2, a shading plate 3, a pressing plate 4, a light source 5, a bolt 6, a frame 7 and a light homogenizing plate 8.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 and 2, a light-shielding panel type self-luminous sign, which can be a traffic sign such as a square, triangle or circle, includes a light guide plate 1, a light shielding plate 3, a reflective film 2, a light source 5 and a fixing device, wherein the light shielding plate 3 is provided with hollow indication information, the light guide plate 1 is arranged on the back of the light shielding plate 2, the reflective film 2 is arranged on the back of the light guide plate 1, the outer sides of the light guide plate 1, the light shielding plate 3 and the reflective film 2 are similar in shape, and the light guide plate 1, the light shielding plate 3 and the reflective film 2 are flat plates; the light source 5 is arranged on one side of the light guide plate 1 close to the edge; the fixing means is disposed outside the light guide plate 1, the light shielding plate 3, and the reflective film 2 so that the light guide plate 1, the light shielding plate 3, and the reflective film 2 are integrated.

The light shading plate 3 and/or the front surface of the light guide plate 1 can be provided with an information layer by coating a reflective film, different colors and the like, so that the indication information of the indicating board is more prominent in the non-bright states such as daytime and the like, and the indicating board is convenient to observe and read.

The light guide plate 1 is made of optical acrylic/PC (polycarbonate) plates, then high-tech materials with extremely high reflectivity and no light absorption are used, light guide points are engraved on the optical acrylic plates by laser, the optical acrylic plates are used for absorbing the light emitted from a lamp to stay on the surfaces of the optical acrylic plates, when the light reaches each light guide point, the reflected light can be diffused at each angle, then the reflection condition is destroyed to be emitted from the front surface of the light guide plate 1, and the light guide plate 1 can uniformly emit light through the light guide points with various densities and sizes; the reflecting film 2 is used for reflecting the light exposed from the bottom surface back to the light guide plate 1 to improve the utilization efficiency of the light, so that the light emitting efficiency is high and the power consumption is low under the condition of the same area light emitting brightness.

The shading plate 3 is preferably made of corrosion-resistant, certain-strength and lightproof plates such as aluminum alloy plates, can shield partial light of non-indication information to enable the indication information to be partially transmitted, can also play a role in fixedly supporting the whole indicator, and is suitable for being used for a long time in outdoor severe environment.

In a specific embodiment, the front non-indication information part of the light guide plate 1 is recessed by means of engraving or the like, so that the light guide plate 1 has a protruding part corresponding to the indication information position part of the light shielding plate 3, the shape and size of the light shielding plate 3 are consistent with those of the front recessed part of the light guide plate 1, the light shielding plate 3 is arranged in the recessed part of the light guide plate 1, so that the light shielding plate 3 shields the recessed part, when the light source 5 is turned on, the indication information of the protruding part of the light guide plate 1 which is not shielded by the light shielding plate 3 is luminous, and the indication information can be favorably viewed under the condition of dark light.

In another specific embodiment, the front surface of the light guide plate 1 is provided with a light homogenizing plate 8 filling the hollow part of the light shielding plate 3.

In another specific embodiment, the front surface of the light guide plate 1 is provided with a transparent plate 8 filling the hollow portion of the light shielding plate 3, the transparent plate is preferably made of polycarbonate material, and may also be made of other transparent materials such as glass, Polycarbonate (PC) is a high molecular polymer containing carbonate groups in molecular chains, and is a tough thermoplastic resin, and polycarbonate is colorless and transparent, and has good mechanical properties at common use temperature, heat resistance, impact resistance, and flame retardation BI level. Compared with polymethyl methacrylate, polycarbonate has good impact resistance, high refractive index and good processability, and has UL94V-0 grade flame retardant performance without additives.

When in use, the light homogenizing plate 8 is positioned on the front surface of the light guide plate 1 and embedded into the hollow part of the light shielding plate 3. When the light source 5 is lighted, the light at the lightening position of the light guide plate 1 which is not shielded by the light shielding plate 3 is diffused through the light homogenizing plate 8, so that the indication information is luminous, and the indication information can be favorably checked under the condition of darker light. In a specific application, the light guide plate can be provided with a convex part instead of the light homogenizing plate, and the light guide plate is close to the shielding of the light shielding plate 3, so that only the indication information position emits light.

In a specific embodiment, the light source 5 is an LED strip, and the LED strip is formed by assembling LEDs on a strip-shaped FPC (flexible printed circuit) or PCB (printed circuit board), and is named after the shape of a product is like a strip, so that the LED strip has the characteristics of long service life, energy saving and environmental friendliness. The light sources 5 may be uniformly disposed on one side of the light guide plate 1 near the edge, or may be disposed at intervals, so that the light sources 5 may shine on the light guide plate 1 from one side, the corresponding two sides, the upper, lower, left, right, four directions or other directions, and the light guide plate 1 emits uniform light.

In a specific embodiment, as shown in fig. 2, a groove is disposed on the back of the light guide plate 1 near the edge of the side surface, the light source 5 is disposed in the groove, and the light emitting direction of the light source 5 faces the center direction of the light guide plate 1.

In another specific embodiment, as shown in fig. 3 and 4, the light source 5 is disposed in a groove or a notch on the side surface of the light guide plate 1, the groove or the notch is located on either side of the side surface of the light guide plate 1 near the front surface or the back surface; the light source 5 may be directly fixed on the side of the light guide plate 1 by means of pasting, and the light emitting direction of the light source 5 faces the center direction of the light guide plate 1.

In a specific embodiment, the fixing device includes a frame 7 disposed at the outermost side of the light shielding plate 3, and a pressing plate 4 is disposed outside the frame 7 through a bolt 6 to fix the reflective film 2 and the light guide plate 1 to the light shielding plate 3.

The pressing plate 4 may be a narrow strip disposed on the frame 7 and pressing only the edge regions of the reflective film 2 and the light guide plate 1; or a long-strip-shaped beam which is arranged at the rear part of the reflecting film 2 and penetrates through the length of the whole light guide plate 1, wherein the beam is fixed on the back of the whole reflecting film 2 and the back of the light guide plate 1 through bolts 6 respectively arranged at two ends of the beam; it is also possible to provide a back plate covering the whole of the reflection film 2 and the back surface of the light guide plate 1, thereby fixing the reflection film 2 and the light guide plate 1 to the light shielding plate 3.

The frame 7 and the light shading plate 3 are fixedly connected, the light guide plate 1 and the reflecting film 2 are arranged in a groove formed by the light shading plate 3 and the frame 7, and the light shading plate 3, the light guide plate 1 and the reflecting film 2 are fixedly integrated into a whole by fixing the pressing plate 4.

Further, as shown in fig. 5, the light source 5 is disposed on a side of the frame 7 close to the light guide plate 1, and a light emitting direction of the light source 5 faces a central direction of the light guide plate 1.

It should be understood that the above detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.

Claims

1. A shading panel type self-luminous indicator is characterized by comprising a light guide plate (1), a shading plate (3), a reflecting film (2), a light source (5) and a fixing device, wherein the shading plate (3) is provided with hollow indication information, the light guide plate (1) is arranged on the back of the shading plate (3), the reflecting film (2) is arranged on the back of the light guide plate (1), the outer sides of the light guide plate (1), the shading plate (3) and the reflecting film (2) are similar in shape, and the light guide plate (1), the shading plate (3) and the reflecting film (2) are flat plates; the light source (5) is arranged on one side, close to the edge, of the light guide plate (1); the fixing device is arranged at the outer side of the light guide plate (1), the shading plate (3) and the reflecting film (2), so that the light guide plate (1), the shading plate (3) and the reflecting film (2) are integrated.

2. The light-shielding panel-type self-luminous signboard of claim 1, wherein: the front surface of the light guide plate (1) is provided with a recess, so that the light guide plate (1) is provided with a protrusion corresponding to the position part of the indication information of the light shielding plate (3), and the light shielding plate (3) is arranged at the recess part of the light guide plate (1).

3. The light-shielding panel-type self-luminous signboard of claim 1, wherein: the front surface of the light guide plate (1) is provided with a light homogenizing plate (8) for filling the hollow part of the light screen (3).

4. The light-shielding panel-type self-luminous signboard of claim 1, wherein: the front surface of the light guide plate (1) is provided with a transparent plate for filling the hollow part of the light screen (3).

5. A light-shielding panel-type self-luminous signboard as set forth in any one of claims 1 to 4, wherein: the light source (5) is an LED lamp strip.

6. The self-luminous signboard of claim 5, wherein: the fixing device comprises a frame (7) arranged on the outermost side of the light shielding plate (3), a pressing plate (4) is arranged outside the frame (7) through a bolt (6), and the reflecting film (2) and the light guide plate (1) are fixed on the light shielding plate (3).

7. The light-shielding panel-type self-luminous signboard of claim 6, wherein: the light source (5) is arranged on one side, close to the light guide plate (1), of the frame (7), and the light emitting direction of the light source (5) faces to the center direction of the light guide plate (1).

8. The self-luminous signboard of claim 5, wherein: the light source (5) is arranged in a groove or a notch on the side surface of the light guide plate (1), and the light emitting direction of the light source (5) faces to the central direction of the light guide plate (1).

9. The self-luminous signboard of claim 5, wherein: the back of the light guide plate (1) is provided with a groove close to the edge of the side face, the light source (5) is arranged in the groove, and the light emitting direction of the light source (5) faces to the center direction of the light guide plate (1).