CN203249027U - Led lamp - Google Patents
Led lamp Download PDFInfo
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- CN203249027U CN203249027U CN 201320206026 CN201320206026U CN203249027U CN 203249027 U CN203249027 U CN 203249027U CN 201320206026 CN201320206026 CN 201320206026 CN 201320206026 U CN201320206026 U CN 201320206026U CN 203249027 U CN203249027 U CN 203249027U
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- Prior art keywords
- light
- led
- distribution lens
- lens
- secondary light
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Abstract
The utility model provides an LED lamp and belongs to the field of optical illumination. The LED lamp comprises an LED light source and an LED secondary light distribution lens. A light outlet hole enables light emitted by the LED light source to arrive into the LED secondary light distribution lens is formed in the bottom of the LED secondary light distribution lens, a first light reflection layer is arranged on the side wall of the LED secondary light distribution lens, and a second light reflection layer is arranged on the bottom of the LED secondary light distribution lens. In the prior art, the light transmittance of a lens installed on an LED lamp ranges from 82% to 90%, and some of the light is leaked or lost. According to the LED lamp, due to the facts that the first light reflection layer and the second light reflection layer are arranged on the side wall and the bottom of the LED secondary light distribution lens, leaked light produced, on the side wall and the bottom, by the LED secondary light distribution lens is reflected to return back into the LED secondary light distribution lens, the light transmittance of the LED lamp is 99%, the light leakage problem of the LED secondary light distribution lens is solved thoroughly, and the light effect of the lens is improved. In addition, the light reflection layers are simple in structure, low in cost and convenient to implement.
Description
Technical field
The utility model belongs to the illumination optical field, relates in particular to a kind of LED light fixture.
Background technology
The LED light fixture is the abbreviation of Semiconductor light-emitting diode lamp tool, is a kind of semiconductor solid luminescence device, and it utilizes the solid semiconductor chip as luminescent material, by carrier the compound energy of giving birth to of emitting occuring causes photo emissions in semiconductor, directly send red, Huang, indigo plant, green, green grass or young crops, orange, purple, white light, LED illuminating product utilize LED as the produced ligthing paraphernalia of light source exactly.Because LED has high energy-conservation, the life-span is long, changeable, and the advantages such as vertical environmental protection and high-new point are widely used in the every field of throwing light on and showing.
The Chinese patent application prospectus, CN201425177Y discloses the patent application of a kind of LED side lamp, this LED side's lamp comprises square casing, housing is concaved with the reflection die cavity, the opening part of reflection die cavity is covered with light-passing board, the reflection cavity bottom is fixed with the led chip group, the reflection cavity bottom is fixed with the led chip group, and the chamber thorax of reflection die cavity is covered with the reflective sheeting with highly reflective energy, because the LED lamp is light emitting source, power is little, energy consumption is low, and environmental protection is energy-conservation again, again owing to being covered with the reflective sheeting of highly reflective energy in the reflection die cavity, in the course of the work, the light that the led chip group is sent penetrates housing after the minute surface emission of reflective sheeting, light loss is little, and light utilization is high, and formed area source intensity of illumination is high, and illumination is even.Although to a certain extent, improved the utilization rate of light, yet, because led light source is not desirable spot light, but the area source of certain area is arranged, although, the sidewall of lens is made fully reflecting surface, but by the light that the led light source difference sends, the incidence angle when entering lens also is not quite similar, and has part light not to be dealt into the condition of total reflection, the phenomenon that has light leak, therefore, the light transmittance of the lens of LED lamp installation is between 82%-90%, and the light of ratio is revealed or lost greatly.
The utility model content
The purpose of this utility model is to provide a kind of LED light fixture, be intended to solve in the prior art in the LED light fixture, because led light source is not desirable spot light, but the area source of certain area is arranged, although, the sidewall of lens is made fully reflecting surface, but the light that is sent by the led light source difference, incidence angle when entering lens also is not quite similar, and has part light not to be dealt into the condition of total reflection, has the phenomenon of light leak, in addition, the lens bottom is provided with loophole, has the gap with led light source, produces the problem of light leakage phenomena.
For addressing the above problem, the utility model is to realize like this, a kind of LED light fixture, comprise led light source and LED secondary light-distribution lens, the bottom of described LED secondary light-distribution lens is provided with the light that sends for described led light source and arrives the interior light hole of described LED secondary light-distribution lens, described LED secondary light-distribution lens sidewall is provided with the first reflector layer, and described LED secondary light-distribution lens bottom is provided with the second reflector layer.
Further, the first reflective sheeting that the lateral wall geomery that described the first reflector layer is described LED secondary light-distribution lens is fitted mutually, described the first reflective sheeting fits on the sidewall of described LED secondary light-distribution lens; Described the second reflector layer is second reflective sheeting of fitting mutually with the bottom shape size of described LED secondary light-distribution lens, described the second reflective sheeting is provided with the through hole corresponding with described light hole, described the second reflective sheeting fit in described LED secondary light-distribution lens bottom and described through hole and described light hole over against.
Particularly, described light hole is over against described led light source, and the area of described light hole is greater than the light-emitting area of described led light source.
Particularly, described LED light fixture also comprises lens carrier, and described LED secondary light-distribution lens is located in the described lens carrier, and described the first reflector layer and described the second reflector layer are between described LED secondary light-distribution lens and described lens carrier.
Further, described lens carrier is provided with at least two buckles that are used for fixing described LED secondary light-distribution lens.
Further, described LED light fixture also comprises fixture and fin, and described lens carrier is fixed on the described fin by described fixture.
Particularly, described fixture is screw, and described fin is provided with the screwed hole that screws for described screw.
Optimally, described screwed hole is counterbore.
Further, described led light source is fixed on the described fin.
Compared with prior art, the LED light fixture that the utility model provides, the LED light fixture that the utility model provides, sidewall and bottom at the LED secondary light-distribution lens are provided with the first reflector layer and the second reflector layer, the light leak that the LED secondary light-distribution lens produces in sidewall and bottom can be reflected and come back in the LED secondary light-distribution lens, so that the light transmittance of LED lamp lens reaches 99%, LED secondary light-distribution lens light leak problem is solved, thereby improve the light efficiency of lens, and the utility model provides reflection layer structure simple, with low cost, it is convenient to implement.
Description of drawings
Fig. 1 is the exploded perspective view of the LED light fixture that provides of the utility model;
Fig. 2 is the structural representation of LED light fixture the first reflector layer of providing of the utility model;
Fig. 3 is the structural representation of LED light fixture the second reflector layer of providing of the utility model;
Fig. 4 is the structural representation that the LED light fixture LED secondary light-distribution lens that provides of the utility model increases reflector layer.
Fig. 5 is the LED fitting structure schematic diagram that prior art provides;
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, 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 explaining the utility model, and be not used in restriction the utility model.
The utility model provides a kind of LED light fixture, comprise led light source and LED secondary light-distribution lens, the bottom of described LED secondary light-distribution lens is provided with the light that sends for described led light source and arrives the interior light hole of described LED secondary light-distribution lens, described LED secondary light-distribution lens sidewall is provided with the first reflector layer, and described LED secondary light-distribution lens bottom is provided with the second reflector layer.
The LED light fixture that the utility model provides, sidewall and bottom at the LED secondary light-distribution lens are provided with the first reflector layer and the second reflector layer, the light leak that the LED secondary light-distribution lens produces in sidewall and bottom can be reflected and come back in the LED secondary light-distribution lens, so that the light transmittance of LED lamp lens reaches 99%, LED secondary light-distribution lens light leak problem is resolved, thereby improves the light efficiency of lens, and the utility model provides reflection layer structure simple, with low cost, it is convenient to implement.
Below in conjunction with concrete accompanying drawing realization of the present utility model is specifically described.
Such as Fig. 1 to shown in Figure 5, a preferred embodiment that provides for the utility model.
Participate in shown in the accompanying drawing 1, the described LED light fixture 10 of the present embodiment, comprise led light source 6 and LED secondary light-distribution lens 1, the bottom of LED secondary light-distribution lens 1 is provided with the light hole (not shown) in the light arrival LED secondary light-distribution lens 1 that sends for described led light source 6, LED secondary light-distribution lens 1 sidewall is provided with the first reflector layer, LED secondary light-distribution lens 1 bottom is provided with the second reflector layer, adopting the first reflector layer and the second reflector layer the light leak that LED secondary light-distribution lens 1 produces in sidewall and bottom can be reflected comes back in the LED secondary light-distribution lens 1, so that LED secondary light-distribution lens 1 light leak problem is solved, thereby improve the light efficiency of lens.
Particularly, see also Fig. 2 and Fig. 3, the first reflector layer that the present embodiment provides is that the first reflective sheeting 2, the first reflective sheetings 2 that the lateral wall geomery of LED secondary light-distribution lens 1 is fitted mutually fit on the lateral wall of LED secondary light-distribution lens 1; The second reflector layer is second reflective sheeting 4 of fitting mutually with the bottom shape size of LED secondary light-distribution lens 1, the second reflective sheeting 4 be provided with the through hole corresponding with the light hole (not shown) 8, the second reflective sheetings 4 fit in the light hole (not shown) that arranges on LED secondary light-distribution lens 1 bottom and through hole 8 and the LED secondary light-distribution lens 1 over against.
The reflection layer structure that the present embodiment provides also comprises, is coated with the material with reflective function on the surface of LED secondary light-distribution lens 1, yet the reflective sheeting structure that the present embodiment provides has simple in structure, easy to operate, is more prone to implement.
Further, the light hole (not shown) that LED secondary light-distribution lens 1 bottom arranges is over against led light source 6, and the area of light hole (not shown) should be greater than the light-emitting area of led light source 6, this kind structure more is conducive to light that led light source sends and enters in the LED secondary light-distribution lens 1 with the incidence angle of maximum, improves light efficiency.
See also Fig. 3, in the present embodiment, the through hole 8 on the second luminescent paper 4 is concentric with the light hole (not shown) of LED secondary light-distribution lens 1 bottom, guarantees that the light that led light source 6 sends is not blocked, and farthest enters into LED secondary light-distribution lens 1.
Certainly, see also Fig. 1, the LED light fixture that the present embodiment provides also comprises lens carrier 5, LED secondary light-distribution lens 1 is located in the lens carrier 5, the first reflector layer and the second reflector layer are between LED secondary light-distribution lens 1 and lens carrier 5, LED secondary light-distribution lens 1 cross sectional shape that the present embodiment provides is the little trapezoidal shape in large bottom, top, certainly be not limited to this kind shape, be convenient to realize that the shape of light total reflection all can, such as cylindricality or umbrella etc., wherein, be convenient to the installation of LED secondary light-distribution lens 1, the present embodiment is in order better to save cost, reduce unnecessary waste of material, lens carrier 5 is made with the profile of LED secondary light-distribution lens 1 suitable mutually, certainly, also lens carrier 5 can be made the shape with larger cavity volume.
Preferably, see also Fig. 1, lens carrier 5 is provided with at least two buckles 9 that are used for fixed L ED secondary light-distribution lens 1, in the present embodiment, the first reflective sheeting 2 is put into lens carrier 5, LED secondary light-distribution lens 1 is placed in the first reflective sheeting 2 again, itself and the first reflective sheeting 2 and the second reflective sheeting 4 are fitted tightly, be the position of fastening LED secondary light-distribution lens 1, be provided with at least two buckles at lens carrier 5, adopt 4 buckles 9 of circumference uniform distribution in the present embodiment, LED secondary light-distribution lens 1 is fixed on lens carrier 5 inside, certainly, be not limited in buckle and fix, the connected modes such as screw all can.
Particularly, see also Fig. 1, the LED light fixture also comprises fixture 3 and fin 7, lens carrier 5 is fixed on the fin 7 by fixture 3, preferably, see also Fig. 1, fixture 3 is chosen screw, fin 7 is provided with the screwed hole that screws for screw, and lens carrier 5 is fixing by hold-down screw and fin 7, and the screw hole on the lens carrier 5 is designed to counterbore, so that accommodating nut after the assembling, prevent that nut is higher than the upper base surface of lens carrier 5, perk appears in the second reflective sheeting 4, places injustice and causes reflecting effect undesirable, meanwhile, the second reflective sheeting 4 is also indirectly firmly fixed, and prevents that it from changing the position under the effect of external force, can't realize fully concentric with the light hole (not shown).
Further, see also Fig. 1, led light source 6 is fixed on the fin 7, well solved the problem of LED lamp heat radiation.LED is as the solid cold light source, it self not scorching hot body during work, but the resistance heat that electric current produces when flowing through the PN junction of LED can make LED heat up, can be aging rapidly when LED at high temperature works, light efficiency reduces, even lost efficacy, this kind structure well reduces the temperature of LED tube core, improves the service life of LED.
After the structure of LED secondary light-distribution lens 1 sidewall and bottom applying reflective sheeting, the more efficiently arrival of the light that led light source 6 sends LED secondary light-distribution lens 1 inside, so that the light transmittance of LED light fixture LED secondary light-distribution lens 1 reaches 99%, light reduces the invalid of light source with at utmost in the 1 interior generation total reflection of LED secondary light-distribution lens.
See also Fig. 4, the LED light fixture for the present embodiment provides increases the first reflector layer 2 and the second reflector layer 4 at LED secondary light-distribution lens 1 place, do not affect the normally luminous of led light source 6, and realizes improving the light transmittance of LED secondary light-distribution lens 1.
See also Fig. 5, be the LED light fixture that prior art provides, comprise LED secondary light-distribution lens 1 ＇ and led light source 6 ＇.Because LED secondary light-distribution lens 1 ＇ installs reflector layer in the outside and bottom, cause the light transmittance of lens of lamp installation between 82%-90%, greatly the light of ratio leakage or lose.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1.LED light fixture, comprise led light source and LED secondary light-distribution lens, the bottom of described LED secondary light-distribution lens is provided with the light that sends for described led light source and arrives the interior light hole of described LED secondary light-distribution lens, it is characterized in that: described LED secondary light-distribution lens sidewall is provided with the first reflector layer, and described LED secondary light-distribution lens bottom is provided with the second reflector layer.
2. LED light fixture as claimed in claim 1, it is characterized in that: the first reflective sheeting that the lateral wall geomery that described the first reflector layer is described LED secondary light-distribution lens is fitted mutually, described the first reflective sheeting fits on the sidewall of described LED secondary light-distribution lens, described the second reflector layer is second reflective sheeting of fitting mutually with the bottom shape size of described LED secondary light-distribution lens, described the second reflective sheeting is provided with the through hole corresponding with described light hole, described the second reflective sheeting fit in described LED secondary light-distribution lens bottom and described through hole and described light hole over against.
3. LED light fixture as claimed in claim 2, it is characterized in that: described light hole is over against described led light source, and the area of described light hole is greater than the light-emitting area of described led light source.
4. such as each described LED light fixture of claims 1 to 3, it is characterized in that: described LED light fixture also comprises lens carrier, described LED secondary light-distribution lens is located in the described lens carrier, and described the first reflector layer and described the second reflector layer are between described LED secondary light-distribution lens and described lens carrier.
5. LED light fixture as claimed in claim 4 is characterized in that: described lens carrier is provided with at least two buckles that are used for fixing described LED secondary light-distribution lens.
6. LED light fixture as claimed in claim 4, it is characterized in that: described LED light fixture also comprises fixture and fin, and described lens carrier is fixed on the described fin by described fixture.
7. LED light fixture as claimed in claim 6, it is characterized in that: described fixture is screw, described fin is provided with the screwed hole that screws for described screw.
8. LED light fixture as claimed in claim 7, it is characterized in that: described screwed hole is counterbore.
9. LED light fixture as claimed in claim 6, it is characterized in that: described led light source is fixed on the described fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320206026 CN203249027U (en) | 2013-04-22 | 2013-04-22 | Led lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320206026 CN203249027U (en) | 2013-04-22 | 2013-04-22 | Led lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203249027U true CN203249027U (en) | 2013-10-23 |
Family
ID=49375466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320206026 Expired - Fee Related CN203249027U (en) | 2013-04-22 | 2013-04-22 | Led lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203249027U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017152886A1 (en) * | 2016-03-07 | 2017-09-14 | 湖南粤港模科实业有限公司 | Led lamp, and integrated light source and lens structure having selectable colour temperature composed thereof |
| CN108644733A (en) * | 2018-06-04 | 2018-10-12 | 华域视觉科技(上海)有限公司 | LED distance light modules |
-
2013
- 2013-04-22 CN CN 201320206026 patent/CN203249027U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017152886A1 (en) * | 2016-03-07 | 2017-09-14 | 湖南粤港模科实业有限公司 | Led lamp, and integrated light source and lens structure having selectable colour temperature composed thereof |
| CN108644733A (en) * | 2018-06-04 | 2018-10-12 | 华域视觉科技(上海)有限公司 | LED distance light modules |
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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: 20131023 Termination date: 20210422 |