CN204785864U - LED advertising light boxes - Google Patents
LED advertising light boxes Download PDFInfo
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- CN204785864U CN204785864U CN201520440253.0U CN201520440253U CN204785864U CN 204785864 U CN204785864 U CN 204785864U CN 201520440253 U CN201520440253 U CN 201520440253U CN 204785864 U CN204785864 U CN 204785864U
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- plate body
- circuit board
- diffuse reflection
- light
- reflecting component
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Abstract
The utility model relates to an advertising light boxes's technical field provides a LED advertising light boxes, including frame, light source, canvas and a plurality of diffuse reflection reflection of light piece. The accommodation space that the frame has a bottom plate, a plurality of curb plate and comprises this bottom plate and a plurality of curb plate. The light source sets up in this accommodation space of this frame. The luminous orientation of this light source is connected and lies in to the canvas with the curb plate of frame. Four diffuse reflection reflection of light pieces are around establishing around the light source to can be with the source of shooting out on to its light reflection on the surface to the canvas edge. Compared with the prior art, the utility model provides a LED advertising light boxes adopts and set up the diffuse reflection reflection of light around the light source, and the diffuse reflection reflection of light can like this, can effectively supply the marginal luminance of canvas with the source of shooting out on to its light reflection on the surface to the canvas edge to guarantee that LED advertising light boxes goes up the brightness uniformity nature of canvas, and guaranteed the visual effect of advertisement simultaneously.
Description
Technical field
The utility model relates to the technical field of advertising lamp box, especially relates to a kind of LED advisement lamp case.
Background technology
Traditional advertising lamp box, its inner fluorescent tube that adopts as light source, to show the ad content on painting canvas on the painting canvas being radiated at advertising lamp box.
Due to the advertising lamp box of fluorescent tube backlight, painting canvas easily shows the image of " chop line ", namely on the picture of painting canvas, forms deep mixed shade, serious image advertising effect.
At present, for the advertising lamp box of traditional fluorescent tube backlight, adopt LED can solve the appearance of " chop line " as the advertising lamp box of light source, that applies in advertising lamp box along with LED gos deep into, and LED advisement lamp case is to energy-conservation and surface brightness uniformity requirement is more and more higher.But due to frame blocking and absorbing light, result in edge brightness and be significantly less than mid portion brightness, affect uniformity and the advertising vision effect of painting canvas surface brightness.In order to improve LED advisement lamp case light efficiency, a lot of company is all proposed the mode adding reflector at lamp box back, improves light efficiency.Although light efficiency is improving constantly, the surface brightness uniformity of puzzlement visual effect is not improving.
In addition, also have part company to propose and promote lamp box surface uniformity by rational lamp pearl layout, but when lamp pearl density reach certain degree, lamp pearl reaches certain distance with painting canvas distance, improve the distribution of lamp pearl and be also difficult to raising surface brightness uniformity.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of LED advisement lamp case, is intended to solve in prior art, and the brightness that there is light box canvas edge is low, affects the uniformity of painting canvas surface brightness and the defect of advertising vision effect.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of LED advisement lamp case, it comprises:
One framework, its spatial accommodation that there is a base plate, multiple side plate and be made up of this base plate and multiple described side plate;
One light source, is arranged in this spatial accommodation of this framework;
One painting canvas, is connected with the described side plate of described framework and is positioned on the light emission direction of light source described in this; And
Multiple diffuse reflection reflecting component, for the light reflection extremely described painting canvas edge that will be incident upon on its surface, the winding of multiple diffuse reflection reflecting component is around described light source.
Further, described light source comprises circuit board and to be arranged on described circuit board and multiple LED lamp bead of orthogonal arranged in arrays, and described circuit board and described base plate be arranged in parallel.
Further, described diffuse reflection reflecting component is fixedly mounted on described side plate.
Further, each described side plate is installed with respectively a described diffuse reflection reflecting component, each described diffuse reflection reflecting component extends along the whole length direction of the side of described circuit board respectively.
Further, each described diffuse reflection reflecting component includes interconnective first plate body and the second plate body, each described first plate body is all parallel with described circuit board, each described second plate body tilts to extend to described painting canvas to the direction away from described circuit board from each described first plate body near a lateral edges of described circuit board respectively, and the side surface near described circuit board on each described second plate body is formed with a diffuse reflection reflector layer respectively.
Further, each described diffuse reflection reflecting component includes one the 3rd plate body, and each described 3rd plate body is formed with a diffuse reflection reflector layer respectively near a side surface of described circuit board.
Further, each described 3rd plate body is all vertical with described circuit board.
Further, each described diffuse reflection reflecting component the 6th plate body of including the 4th plate body, the 5th plate body and being connected between described 4th plate body and described 5th plate body; Described 4th plate body in each described diffuse reflection reflecting component is vertical with described circuit board, 5th plate body is parallel with described circuit board, described 6th plate body tilts to extend to described 4th plate body to described painting canvas to the direction away from described circuit board from the 5th plate body near a lateral edges of described circuit board, and described 4th plate body is all formed with a diffuse reflection reflector layer near a side surface of described circuit board and described 6th plate body near a side surface of described circuit board.
Further, described circuit board is pcb board.
Further, preset space length is left between described circuit board and described base plate.
Be compared with the prior art, the LED advisement lamp case that the utility model provides, adopt and diffuse reflection reflecting component is set around light source, light source can be incident upon light reflection on its surface on painting canvas edge by diffuse reflection reflecting component, like this, effectively can improve the brightness at painting canvas edge, and ensure the brightness uniformity of painting canvas in LED advisement lamp case, and ensure that the visual effect of advertisement simultaneously.
Accompanying drawing explanation
Fig. 1 is the cross-sectional schematic of the LED advisement lamp case that the utility model embodiment one provides;
Fig. 2 is the cross-sectional schematic of the LED advisement lamp case that the utility model embodiment two provides;
Fig. 3 is the cross-sectional schematic of the LED advisement lamp case that the utility model embodiment three provides;
Fig. 4 is the painting canvas surface light luminance detection table of the LED advisement lamp case that the utility model embodiment provides.
Detailed description of the invention
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Below in conjunction with concrete accompanying drawing, realization of the present utility model is described in detail.
Embodiment one
As shown in Figure 1, be a preferred embodiment that the utility model provides.
A kind of LED advisement lamp case 100 that the present embodiment provides, comprises framework 1, light source 2, painting canvas 3 and four diffuse reflection reflecting components 4.The spatial accommodation 13 that framework 1 has a base plate 11, four side plates 12 and is made up of this base plate 11 and four side plates 12.Light source 2 is arranged in the spatial accommodation 13 of this framework 1.Painting canvas 3 is connected with the side plate 12 of framework 1 and is positioned on the light emission direction of this light source 2.The winding of four diffuse reflection reflecting components 4 around light source 2, and can will penetrate light source 2 to the light reflection on its surface in painting canvas 3 inner surface edge.
Above-mentioned LED advisement lamp case 100, adopt and diffuse reflection reflecting component 4 is set around light source 2, diffuse reflection reflecting component 4 can by light source 2 to the light reflection penetrated on its surface on painting canvas 3 edge, like this, effectively can improve the brightness at painting canvas 3 edge, and ensure the brightness uniformity of painting canvas 3 in LED advisement lamp case 100.
For sake of convenience, hereinafter alleged " left side " " right side " " on " D score to consistent, but do not play restriction effect to structure of the present utility model with left and right, the upper and lower of accompanying drawing itself.
In the present embodiment, framework 1, for installing light source 2, painting canvas 3 and diffuse reflection reflecting component 4, and can be fixed on supporter (scheming not shown) to carry out promotional display by above-mentioned parts.The spatial accommodation 13 that framework 1 has a base plate 11, four side plates 12 and is made up of this base plate 11 and four side plates 12.Base plate 11 substantially rectangular, the shape and size of four side plates 12 are substantially identical is also rectangle, and to be connected on each side of base plate 11 that (base plate 11 and side plate 12 can one-body moldedly be made, also can be separately made and be fixedly connected with by screw or welding manner), and vertical respectively with base plate 11.
Certainly, base plate 11 also can be triangle, other polygons or or round-shaped.
Light source 2, is arranged in this spatial accommodation 13 of this framework 1.Light source 2 comprises the circuit board 21 of rectangle and to be arranged on circuit board 21 and multiple LED lamp bead 22 of orthogonal arranged in arrays, circuit board 21 is pcb board (can certainly be flexible PCB), this circuit board 21 is parallel with base plate 11, and the spacing being reserved with 10cm to 15cm is between (certain, this spacing can adjust according to actual needs) so that heat radiation.In addition, also can offer louvre (scheming not shown) on side plate 12 or this base plate 11, or radiator fan is installed, to dispel the heat to inside.
Certainly, light source 2, except being above-mentioned light-source structure, can also be the backlight adopting light guide plate and LED lamp structure.
Painting canvas 3, its material has light transmission, can be that plastics, cloth or glass etc. are made, as PVC board, be preferably milky, outer surface is printed with advertising design, be arranged on the light emission direction of this light source 2, namely the edge of painting canvas 3 is connected with the outer face of four side plates 12 respectively, and all existing fixed forms such as screw, clamping, tight fit can be adopted to install painting canvas 3.
Four diffuse reflection reflecting components 4, can be incident upon light reflection on its surface on painting canvas 3 inner surface edge by light source 2, diffuse reflection reflecting component 4 winding around light source 2, to improve the brightness at painting canvas 3 edge.Respectively with screw mode (or welding) fixed installation diffuse reflection reflecting component 4 on each side plate 12, each diffuse reflection reflecting component 4 extends along the whole length direction of the side of circuit board 21 respectively.
Certainly, four diffuse reflection reflecting components 4 also can be fixedly mounted on base plate 11, and extend to painting canvas 3.
Certainly, when the length of side of circuit board 21 is longer or when the length of diffuse reflection reflecting component 4 is shorter, each side plate 12 also can be provided with multiple diffuse reflection reflecting component 4 side by side, each diffuse reflection reflecting component 4 order is close to layout.
In this enforcement, diffuse reflection reflecting component 4 is two folded structures, and aluminium or iron can be adopted to make, and each diffuse reflection reflecting component 4 includes interconnective first plate body 41 and the second plate body 42.First plate body 41 be arranged in parallel with circuit board 21, second plate body 42 tilts to extend to painting canvas 3 to away from circuit board 21 direction from this first plate body 41 near a lateral edges of circuit board 21, and the angle between the first plate body 41 and the second plate body 42 is between 70 degree to 80 degree.First plate body 41 and the second plate body 42 junction embed in the sidewall of circuit board 21, and both outer faces embed among the inwall of side plate 12 respectively, can not only improve the efficiency of reflection ray like this, can also fix further circuit board 21.Side near circuit board 21 on each second plate body 42 is formed with a diffuse reflection reflector layer (scheming not shown) on the surface respectively, and this diffuse reflection reflector layer can be sprayed on the diffuse reflection coating on this second plate body 42 surface or be pasted onto the diffuse reflection paster on this second plate body 42 surface.Diffuse reflection coating and diffuse reflection paster have coarse surface, because of uneven on face, although so incident ray is parallel to each other, because the normal direction of each point is inconsistent, reflection ray is caused irregularly to reflect to different directions, to realize " diffuse reflection " or " diffusion ".
Certainly, can all form diffuse reflection reflector layer on the two sides of the second plate body 42, in addition, the surface of the first plate body 41 also can form diffuse reflection reflector layer.
Embodiment two
Only just elaborate with difference in embodiment one below in conjunction with Fig. 2.
In the present embodiment, diffuse reflection reflecting component 4 is straight plate structure, each diffuse reflection reflecting component 4 includes one the 3rd plate body 43, side near circuit board 21 on each 3rd plate body 43 is formed with a diffuse reflection reflector layer (scheming not shown) on the surface respectively, and this diffuse reflection reflector layer can be sprayed on the diffuse reflection coating on this second plate body 42 surface or be pasted onto the diffuse reflection paster on this second plate body 42 surface.Each 3rd plate body 43 is all vertical with circuit board 21 to be arranged (can be obliquely installed laterally certainly), each 3rd plate body 43 all offers installing hole (scheming not shown), and is fixed by screws on corresponding each side plate 12.
Certainly, diffuse reflection reflector layer can all be formed on the two sides of the 3rd plate body 43.
Embodiment three
Only just elaborate with difference in previous embodiment below in conjunction with Fig. 3.
In the present embodiment, diffuse reflection reflecting component 4 is three folded structures, the 6th plate body 46 that each diffuse reflection reflecting component 4 includes the 4th plate body 44, the 5th plate body 45 and is connected between the 4th plate body 44 and the 5th plate body 45.The 4th plate body 44 in each diffuse reflection reflecting component 4 is vertical with circuit board 21 to be arranged, 5th plate body 45 be arranged in parallel with circuit board 21, 6th plate body 46 from the 5th plate body 45 near a lateral edges of circuit board 21 to painting canvas 3 and to the direction tilting to extend away from circuit board 21 to the 4th plate body 44, 4th plate body 44 is all formed with a diffuse reflection reflector layer near a side surface of circuit board 21 and the 6th plate body 46 near a side surface of circuit board 21, this diffuse reflection reflector layer can be sprayed on the diffuse reflection coating of surface both or be pasted onto the diffuse reflection paster of surface both.
It should be noted that, the structure of diffuse reflection reflecting component 4 is not limited to three kinds that exemplify in present embodiment, as required, diffuse reflection reflecting component 4 can be designed to the structure of other quantity bending.
Illuminance about the LED advisement lamp case 100 that the utility model proposes detects, as can be seen from the illumination value contrast table shown in Fig. 4, laterally the whole length of painting canvas 3 in a certain certain height is represented in this table, longitudinally represent the illuminance this height being in the test point in each position, the length of painting canvas 3 is 8dm (decimetre), effective bright range is at 1 to 7dm, and be positioned at the illuminance of the test point at 1dm place at more than 3800lux, and the illuminance being positioned at the test point at 7dm place is also at more than 3800lux.
According to above-mentioned illumination value contrast table, the known surrounding at light source 2 arranges diffuse reflection reflecting component 4, can ensure the uniformity of painting canvas 3 surface brightness.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace or improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a LED advisement lamp case, is characterized in that, comprising:
One framework, its spatial accommodation that there is a base plate, multiple side plate and be made up of this base plate and multiple described side plate;
One light source, is arranged in the described spatial accommodation of described framework;
One painting canvas, is connected with the described side plate of described framework and is positioned on the light emission direction of light source described in this; And
Multiple diffuse reflection reflecting component, for the light reflection extremely described painting canvas edge that will be incident upon on its surface, the winding of multiple diffuse reflection reflecting component is around described light source.
2. LED advisement lamp case according to claim 1, is characterized in that: described light source comprises circuit board and to be arranged on described circuit board and multiple LED lamp bead of orthogonal arranged in arrays, and described circuit board and described base plate be arranged in parallel.
3. LED advisement lamp case according to claim 2, is characterized in that: described diffuse reflection reflecting component is fixedly mounted on described side plate.
4. LED advisement lamp case according to claim 3, is characterized in that: each described side plate is installed with respectively a described diffuse reflection reflecting component, and each described diffuse reflection reflecting component extends along the whole length direction of the side of described circuit board respectively.
5. LED advisement lamp case according to claim 4, it is characterized in that: each described diffuse reflection reflecting component includes interconnective first plate body and the second plate body, each described first plate body is all parallel with described circuit board, each described second plate body tilts to extend to described painting canvas to the direction away from described circuit board from each described first plate body near a lateral edges of described circuit board respectively, and the side surface near described circuit board on each described second plate body is formed with a diffuse reflection reflector layer respectively.
6. LED advisement lamp case according to claim 4, is characterized in that: each described diffuse reflection reflecting component includes one the 3rd plate body, and each described 3rd plate body is formed with a diffuse reflection reflector layer respectively near a side surface of described circuit board.
7. LED advisement lamp case according to claim 6, is characterized in that: each described 3rd plate body is all vertical with described circuit board.
8. LED advisement lamp case according to claim 4, is characterized in that: the 6th plate body that each described diffuse reflection reflecting component includes the 4th plate body, the 5th plate body and is connected between described 4th plate body and described 5th plate body; Described 4th plate body in each described diffuse reflection reflecting component is vertical with described circuit board, 5th plate body is parallel with described circuit board, described 6th plate body tilts to extend to described 4th plate body to described painting canvas to the direction away from described circuit board from the 5th plate body near a lateral edges of described circuit board, and described 4th plate body is all formed with a diffuse reflection reflector layer near a side surface of described circuit board and described 6th plate body near a side surface of described circuit board.
9. the LED advisement lamp case according to any one of claim 2 to 8, is characterized in that: described circuit board is pcb board.
10. the LED advisement lamp case according to any one of claim 2 to 8, is characterized in that: leave preset space length between described circuit board and described base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520440253.0U CN204785864U (en) | 2015-06-24 | 2015-06-24 | LED advertising light boxes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520440253.0U CN204785864U (en) | 2015-06-24 | 2015-06-24 | LED advertising light boxes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204785864U true CN204785864U (en) | 2015-11-18 |
Family
ID=54525911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520440253.0U Expired - Fee Related CN204785864U (en) | 2015-06-24 | 2015-06-24 | LED advertising light boxes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204785864U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107134229A (en) * | 2017-05-31 | 2017-09-05 | 广东欧珀移动通信有限公司 | Lamp house cloth and lamp box |
| CN107919074A (en) * | 2017-12-05 | 2018-04-17 | 浙江华上电子科技有限公司 | A kind of advertising lamp box for including diffusing reflection device |
| WO2022083008A1 (en) * | 2020-10-23 | 2022-04-28 | 长兴泛亚智慧照明有限公司 | Narrow-frame led panel light |
-
2015
- 2015-06-24 CN CN201520440253.0U patent/CN204785864U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107134229A (en) * | 2017-05-31 | 2017-09-05 | 广东欧珀移动通信有限公司 | Lamp house cloth and lamp box |
| CN107919074A (en) * | 2017-12-05 | 2018-04-17 | 浙江华上电子科技有限公司 | A kind of advertising lamp box for including diffusing reflection device |
| WO2022083008A1 (en) * | 2020-10-23 | 2022-04-28 | 长兴泛亚智慧照明有限公司 | Narrow-frame led panel light |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20160624 |