CN203273696U - Light guide lens and LED (light emitting diode) lamp - Google Patents
Light guide lens and LED (light emitting diode) lamp Download PDFInfo
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- CN203273696U CN203273696U CN 201320033468 CN201320033468U CN203273696U CN 203273696 U CN203273696 U CN 203273696U CN 201320033468 CN201320033468 CN 201320033468 CN 201320033468 U CN201320033468 U CN 201320033468U CN 203273696 U CN203273696 U CN 203273696U
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- light guiding
- guiding lens
- light
- led
- locating rack
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Abstract
The utility model discloses a light guide lens and an LED (light emitting diode) lamp. The light guide lens comprises a striped-shaped body, wherein the striped-shaped body consists of an upper surface, a first side surface, a second side surface and a lower surface and can extend in the length direction, the first side surface is in vertical arrangement, the second side surface is in outward inclined arrangement relative to the first side surface, the lower bottom side of the second side surface is at least lower than the first side surface, and micro convex lenses are uniformly distributed on the second side surface. The glare effect on eyes caused by high-directionality irradiating light rays of lamp beads can be avoided, and the technical effect of inhibiting the glare phenomenon is realized. The light guide lens and the LED lamp have the advantages that the heat radiation and lighting effects are good, the light rays are soft, and the goal of good lighting effect is reached.
Description
Technical field
The utility model relates to a kind of LED lamp, relates in particular to a kind of light guiding lens and LED lamp.
Background technology
The light distribution of tradition LED light source in three dimensions has certain directionality, when the LED lighting source to indoor entire scope internal radiation the time, the weak light of the light that directive property is strong and directive property exists simultaneously, observation feels that the probability of dazzling the eyes will become greatly, particularly makes eyes be difficult to see clearly object or feel to dazzle and uncomfortable state.The mode that existing LED lamp generally takes light absorbing form, sacrificed the LED illuminating effect realizes anti-dazzle, thereby has reduced source efficiency.Therefore, how to address the above problem, be problem demanding prompt solution.
The utility model content
The utility model aims to provide that a kind of light is soft, irradiating angle is wide, source efficiency is high and the light guiding lens of good illumination effect and use the LED lamp of this light guiding lens.
The technical solution of the utility model is achieved in that a kind of light guiding lens, comprise by upper surface, the first side surface, the second side surface and lower surface and consist of the stripe shape body that can extend along its length, its first side surface is erects setting, the second side surface is outward-dipping setting with respect to the first side surface, the bottom of the second side is at least lower than the first side, along being laid with the dimpling lens on the second side surface, lower surface integral body is curved and be made of the multiple little arc that is connected successively.A plurality of tiny dimpling lens are refracted on table top more equably by the light of horizontal direction, realize solving dazzle and ghost image problem.Lower surface is curved corresponding with the dimpling lens to expand at emitting surface, wherein to arrange the multiple little arc that is connected successively, consists of secondary and expands the technique effect that amplifies light at emitting surface.
Above-mentioned a kind of light guiding lens, the second side surface is 15～65 degree angle outer incline settings with respect to the first side surface.Effectively with the horizontal direction light refraction to the table face, avoid naked eyes directly to see dazzling light source.
Above-mentioned a kind of light guiding lens, upper surface are and are horizontally disposed with.To form the reflecting surface of end face light source, light is upwards reflected downwards.
Above-mentioned a kind of light guiding lens, stripe shape body both ends are provided with holder.Fix with lamp body by holder and fix.
Above-mentioned a kind of light guiding lens is equipped with reflector layer along upper surface and the second side surface.Make upper surface and the second side surface form the technique effect that reflecting surface is realized usable reflection light by reflector layer.
Above-mentioned a kind of light guiding lens, stripe shape body are the poly-methyl-prop diluted acid formicester material of transparent acrylic (PMMA).
A kind of LED lamp comprises LED light source, locating rack, and it comprises light guiding lens described above, and the first side surface of locating rack location LED light source and light guiding lens is vertically opposite.
Above-mentioned a kind of LED lamp comprises the light guiding lens of two symmetrical settings in left and right fitting between the upper surface of locating rack and two light guiding lens and the second side surface that its Surface Machining is reflective surface, and the bottom surface of two light guiding lens is connected and consists of whole circular arc.Locate light guiding lens and the relative position of LED light source in housing by locating rack, and the upper surface by wherein and the reflective surface of the second side surface evenly penetrate all light reflections to lower surface, light is refracted on table top more equably, solves dazzle and ghost image problem.
Above-mentioned a kind of LED lamp, LED light source comprises radiating seat, wiring board and lamp pearl, radiating seat is the downward long trough of notch, comprises both sides trough rim and bottom land, wiring board is located respectively in trough rim inboard, both sides, two light guiding lens are positioned in groove by locating rack, and the whole semicircular arc of the connected formation of the bottom surface of two light guiding lens exposes outside radiating seat.Realize the technique effect of effective in the time of the radiating seat snaps into position light guiding lens of long trough and locating rack and LED light source, and have the simple technique effect of package assembly.
Be provided with the radiating groove of upward opening in locating rack, radiating groove is relative with the bottom land of radiating seat.Radiating groove forms heat-dissipating space and radiating seat forms the technique effect that convection current heat conduction realizes convection current acceleration heat radiation.
After the utility model adopts said structure, the first side surface that light guiding lens is located LED light source and light guiding lens by locating rack is vertically opposite, the first side surface of light guiding lens is for erectting the light source approaching face that arranges, import from erectting the first side surface that arranges with relative light source, upper surface is to be horizontally disposed with the reflecting surface that forms the end face light source, and light is upwards reflected downwards.The second side surface is the together reflection downwards of light that the reflecting slant of inclined-plane setting makes light source levels light and upper surface reflection, be laid with inboard formation of cambered outwards dimpling lens along the surface on inclined-plane and allow the light of horizontal direction be refracted to more equably on table top, to solve dazzle and ghost image problem.The second side is realized covering fully light source lower than the first side at least and is realized reflection fully.Lower surface consists of arc by the multiple little arc that is connected successively and amplifies face to enlarge shadow surface.
The utility model compared with prior art has following feature: 1. light guiding lens includes two kinds of different optical mirror planes, the first is the multiple arc-shaped curved surface that is connected successively at the lower surface of lens bottom, purpose is all light refractions to be arrived same direction as far as possible, reduces the waste of light source.It two is that the minute surface of the second side is to contain a plurality of tiny dimpling lens on 45 degree inclined-planes, light guiding lens the place ahead, and purpose allows the light of horizontal direction be refracted to more equably on table top, solves dazzle and ghost image problem.2. light refraction is arrived same direction as far as possible, promote source efficiency.Light guiding lens with 15～65 the degree angular direction with the horizontal direction light refraction to the table face, avoid naked eyes directly to see dazzling light source.4. light guiding lens can arbitrarily stretch or shorten to length direction, but the more designing requirement of resilient engagement different LED quantity.5. material: transparent acrylic (PMMA) gathers methyl-prop diluted acid formicester.Forming by the dimpling lens on the second side that is the inclined-plane setting light birefringence and the amplification that the first side is imported, again the lower surface by light guiding lens bottom be multiple arc-shaped curved surface as far as possible all light refractions to same direction, avoid the highly directive irradiation light of lamp pearl to produce the dazzle effect to eyes, realize suppressing the technique effect of glare phenomenon.The utlity model has heat radiation and good illumination effect, the technique effect that light is soft.The utility model is specially adapted to desk lamp and uses.
Description of drawings
The utility model is described in further detail below in conjunction with the embodiment in accompanying drawing, but do not consist of any restriction of the present utility model.
Fig. 1 is cross-sectional structure schematic diagram of the present utility model;
Fig. 2 is the plan structure schematic diagram of Fig. 1;
Fig. 3 is the right TV structure schematic diagram of Fig. 2;
Fig. 4 is the left TV structure schematic diagram of Fig. 2;
Fig. 5 is the structural representation of looking up of Fig. 2;
Fig. 6 is that the utility model is along the perspective view of the second side face directions;
Fig. 7 is that the utility model is along the perspective view of the first side surface and lower surface direction;
Fig. 8 is the structural representation of the concrete enforcement state of the utility model light guiding lens;
Fig. 9 is the cross-sectional structure schematic diagram that the utility model LED luminaire body is implemented state;
Figure 10 is the local structure for amplifying schematic diagram of Fig. 9;
Figure 11 is the plan structure schematic diagram of Fig. 8;
Figure 12 is the A-A cross-sectional view of Figure 11;
Figure 13 is the three-dimensional disassembly and assembly structure schematic diagram that the utility model is specifically implemented state;
Figure 14 is the light computer simulation distribution map that the utility model is specifically implemented state;
Figure 15 is the light circular scope distribution map that the utility model is specifically implemented state.
In figure: stripe shape body 1, upper surface 11, the first side surface 12, the second side surfaces 13, lower surface 14, dimpling lens 15, holder 16, LED light source 2, locating rack 3, reflector layer 31.
The specific embodiment
Consult shown in Fig. 1～13, a kind of light guiding lens of the present utility model, comprise by upper surface 11, the first side surface 12, the second side surface 13 and lower surface 14 and consist of the stripe shape body 1 that can extend along its length, the first side surface 12 is erects setting, the second side surface 13 is outward-dipping setting with respect to the first side surface 12, the bottom of the second side is at least lower than the first side, along being laid with dimpling lens 15 on the second side surface 13, lower surface 14 is circular arc, is made of the multiple little arc that is connected successively.The height of the second side is that 2～3 times of the first side are good.
The second side surface 13 is 15～65 degree angle outer incline settings with respect to the first side surface 12, and wherein miter angle is best.
Be equipped with reflector layer along upper surface 11 and the second side surface 13.
As shown in Fig. 1～6, the utility model is when concrete the use, and a kind of LED lamp comprises LED light source 2, locating rack 3, light guiding lens and shell 4, and locating rack 3 location LED light sources 2 are vertically opposite with the first side surface 12 of light guiding lens; Shell 4 comprises upper casing frame 41 and lower clamshell 42.
The light guiding lens that comprises two symmetrical settings in left and right fits between the upper surface 11 of locating rack 3 and two light guiding lens and the second side surface 13, and its Surface Machining is the whole semicircular arc of the connected formation of bottom surface of reflective surface 31, two light guiding lens.
Locating rack 3 is that ABS or PC plastic cement material consist of.
Be provided with the radiating groove 31 of upward opening in locating rack 3, radiating groove 31 is relative with the bottom land of radiating seat 21.
the first side surface that light guiding lens is located LED light source and light guiding lens by locating rack is vertically opposite, the first side surface 12 of light guiding lens 1 is for erectting the light source approaching face that arranges, import from erectting the first side surface 12 that arranges with relative light source, upper surface is that horizontally disposed top light source reflecting surface reflects light upwards downwards, the second side surface is the together reflection downwards of light that the reflecting slant of inclined-plane setting makes light source levels light and upper surface reflection, being laid with inboard formation of cambered outwards dimpling lens along the surface on inclined-plane allows the light of horizontal direction be refracted to more equably on table top, to solve dazzle and ghost image problem.The second side is realized covering fully light source lower than the first side at least and is realized reflection fully.Lower surface consists of arc by the multiple little arc that is connected successively and amplifies face to enlarge shadow surface.
The utility model is as specification and diagramatic content, makes actual sample and through repeatedly use test.From the effect of use test, as shown in the light computer simulation distribution map of Figure 14, light guiding lens of the present utility model realizes catching sufficient light to same direction as far as possible, reduces the light source waste.With distance light source 397mm test, its average photometric :～141lux, high light degree :～906.97lux, compared with prior art, the utility model realizes reducing the light source waste, promotes light intensity.As shown in the light circular scope distribution map of Figure 15, the utility model is realized the technique effect of shadow surface broadness.Above-mentioned computer experiment test figure proves that the utility model can reach the purpose that it is expected, practical value is unquestionable.
In sum, above illustrated embodiment only is used for conveniently illustrating the utility model, be not that the utility model is done any pro forma restriction, consist of the structure of a group as the utility model by a light guiding lens and corresponding LED light source, its length direction is changeable all can be realized.The reflective surface 31 of the upper surface 11 of light guiding lens and the second side surface 13 correspondences can be processed on the locating rack that fits, and also can directly process on the surface of upper surface 11 and the second side surface 13, realizes that the technique effect of formation reflecting surface just can.Can regulate the spacing of bottom between the light guiding lens of two symmetries, can be according to the second side surface 13 with respect to the angle of the first side surface 12 and the spacing that matches of adjusting highly.
Have in technical field under any and usually know the knowledgeable, if in the scope that does not break away from technical characterictic that the utility model is carried, utilize technology contents that the utility model discloses to make the local equivalent embodiment that changes or modify, and do not break away from technical characterictic content of the present utility model, all still belong in the scope of the utility model technical characterictic.
Claims (10)
1. light guiding lens, comprise by upper surface (11), the first side surface (12), the second side surface (13) and lower surface (14) and consist of the stripe shape body (1) that can extend along its length, it is characterized in that: the first side surface (12) is erects setting, the second side surface (13) is outward-dipping setting with respect to the first side surface (12), the bottom of the second side is at least lower than the first side, along being laid with dimpling lens (15) on the second side surface (13), lower surface (14) is whole curved and be made of the multiple little arc that is connected successively.
2. a kind of light guiding lens according to claim 1 is characterized in that: the second side surface (13) is 15～65 degree angle outer incline settings with respect to the first side surface (12).
3. a kind of light guiding lens according to claim 1 is characterized in that: upper surface (11) is and is horizontally disposed with.
4. a kind of light guiding lens according to claim 1 is characterized in that: stripe shape body (1) both ends are provided with holder (16).
5. a kind of light guiding lens according to claim 1, is characterized in that: be equipped with reflector layer along upper surface (11) and the second side surface (13).
6. a kind of light guiding lens according to claim 2 is characterized in that: stripe shape body (1) is the poly-methyl-prop diluted acid formicester material of transparent acrylic (PMMA).
7. a LED lamp, comprise LED light source (2), locating rack (3), it is characterized in that: comprise as the described light guiding lens of above-mentioned arbitrary claim, locating rack (3) location LED light source (2) is vertically opposite with first side surface (12) of light guiding lens.
8. a kind of LED lamp according to claim 7, it is characterized in that: the light guiding lens that comprises two symmetrical settings in left and right, fit between the upper surface (11) of locating rack (3) and two light guiding lens and the second side surface (13), its Surface Machining is reflective surface (31), and the bottom surface of two light guiding lens is connected and consists of whole circular arc.
9. a kind of LED lamp according to claim 7, it is characterized in that: LED light source (2) comprises radiating seat (21), wiring board (22) and lamp pearl (23), radiating seat (21) is the downward long trough of notch, comprises both sides trough rim and bottom land, wiring board (22) is located respectively in trough rim inboard, both sides, two light guiding lens are positioned in groove by locating rack (3), and the whole semicircular arc of the connected formation of the bottom surface of two light guiding lens exposes outside radiating seat (21).
10. a kind of LED lamp according to claim 9, it is characterized in that: be provided with the radiating groove (31) of upward opening in locating rack (3), radiating groove (31) is relative with the bottom land of radiating seat (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320033468 CN203273696U (en) | 2013-01-22 | 2013-01-22 | Light guide lens and LED (light emitting diode) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320033468 CN203273696U (en) | 2013-01-22 | 2013-01-22 | Light guide lens and LED (light emitting diode) lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203273696U true CN203273696U (en) | 2013-11-06 |
Family
ID=49504097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320033468 Expired - Fee Related CN203273696U (en) | 2013-01-22 | 2013-01-22 | Light guide lens and LED (light emitting diode) lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203273696U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104883A (en) * | 2013-01-22 | 2013-05-15 | 东莞明新塑胶制品有限公司 | Light guiding lens and light emitting diode (LED) lamp |
-
2013
- 2013-01-22 CN CN 201320033468 patent/CN203273696U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104883A (en) * | 2013-01-22 | 2013-05-15 | 东莞明新塑胶制品有限公司 | Light guiding lens and light emitting diode (LED) lamp |
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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: 20131106 Termination date: 20170122 |