CN203771301U - High-light-effect LED light assembly used for down lamp - Google Patents
High-light-effect LED light assembly used for down lamp Download PDFInfo
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- CN203771301U CN203771301U CN201420027686.9U CN201420027686U CN203771301U CN 203771301 U CN203771301 U CN 203771301U CN 201420027686 U CN201420027686 U CN 201420027686U CN 203771301 U CN203771301 U CN 203771301U
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- light
- down lamp
- mentioned
- lamp
- diffuser
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- 239000000758 substrate Substances 0.000 claims abstract description 24
- 230000003287 optical effect Effects 0.000 claims description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000005286 illumination Methods 0.000 description 11
- 239000004411 aluminium Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 238000007639 printing Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses a high-light-effect LED light assembly used for a down lamp. The high-light-effect LED light assembly used for the down lamp comprises a radiator and an LED substrate arranged on the radiator. The high-light-effect LED light assembly used for the down lamp is characterized by further comprising a small reflection cup and a disc-shaped light transmitting cover, the inner end of the small reflection cup is matched with the periphery of the LED substrate, and the disc-shaped light transmitting cover is arranged on the small reflection cup in a covering mode. When the high-light-effect LED light assembly is used for lighting of the down lamp, main light rays emitted forwards by a light emitting body on the LED substrate directly pass through a top board of the disc-shaped light transmitting cover and are projected to the working face to be irradiated by the lamp, and the secondary light rays emitted by the side face of the light emitting body are reflected back by the side wall of the small reflection cup and are uniformed by the disc-shaped light transmitting cover, then are reflected by an aluminum reflection cup of the down lamp to be output and are projected to the working face to be irradiated by the lamp, so that light emitting of the lamp cover is uniform when viewed from the front face, no light spot or dark space exists, the effective light output efficiency can exceed 90%, the illuminance of the working face is high, low energy consumption is really achieved, and the problems that much side face light rays are lost and the illuminance of the working face is low in an existing LED down lamp are solved.
Description
Technical field
The utility model relates to field of light fittings, the high light efficiency LED optical assembly that particularly a kind of Down lamp is used.
Background technology
At present, high-power LED light source has been widely used in various indoor and outdoor locations, particularly outstanding to be inlaid in the lightings such as the LED Down lamp that on ceiling, light irradiated to get off, LED Grille lamp.The LED Down lamp of existing market generally by lamp body shell, the printing opacity face shield etc. that is installed on aluminium reflector in lamp body shell, is installed on the LED optical assembly of aluminium reflector bottom and is positioned at aluminium reflector outside forms, because the LED optical assembly in existing Down lamp is mostly only formed by radiator and the LED substrate (aluminium base of a plurality of LED illuminators is housed on it) that is arranged on radiator, so in the process of illumination, LED illuminator is more to the light of side loss, and light output efficiency is lower.Add existing Down lamp printing opacity face shield and mostly adopt the milky lampshade of plane, owing to worrying to produce high some hot spot after bright light on plane acrylic, the distance of LED optical assembly and milky lampshade generally surpasses 3CM, makes like this distance of part lamp pearl and lampshade far, is unfavorable for that light penetrates.Simultaneously plane acrylic can make the part light that LED sends more easily be reflected back die cavity in lamp body, makes the general light output efficiency of light fixture of this lamp type be less than 60%, and light refraction out after also many in space of loss, so illumination of working plane is low.Although the Down lamp also having takes to add the structure of a tubular light distributing cap on LED substrate, it still exists illuminator to the problem that light is more, light output efficiency is lower (as shown in Figure 4) of side loss.
Summary of the invention
The purpose of this utility model is for above-mentioned existing problems and deficiency, a kind of side light losing that both can effectively reduce illuminator is provided, make light output efficiency surpass 90%, can make again Down lamp front watch lampshade luminous evenly, without hot spot and dark space, and the high light efficiency LED optical assembly of the high and low energy consumption of illumination of working plane.
The technical solution of the utility model is achieved in that
The high light efficiency LED optical assembly that Down lamp described in the utility model is used, comprise radiator and be installed on the LED substrate on this radiator, be characterized in also comprising little reflector and the dish shape diffuser of housing on described little reflector inner and described LED substrate periphery adapting device.
For making the syndeton of little reflector and LED substrate reliable, the inner of above-mentioned little reflector is provided with clasp or the clasp with above-mentioned LED substrate periphery adapting device.
For making the utility model luminous even when throwing light on, without bright spot (luminous point) and hot spot and dark space etc., above-mentioned dish shape diffuser is milky diffuser.For making more compact structure of the present utility model, reliable, above-mentioned dish shape diffuser comprises concave shaped cover body and is shaped in the locating ring limit at this cover body inner port place, this dish shape diffuser by its locating ring limit with the adapting device of above-mentioned radiator outer end reliably housing on above-mentioned little reflector outer end.
For making the utility model can guarantee the optimal luminescent distance between illuminator and diffuser on the one hand, light penetration rate is high, can guarantee again that on the other hand light enters the slightly higher angle vertically entering of diffuser, to reduce to greatest extent the light that is reflected back diffuser inner chamber, illuminator and the height between the end face of above-mentioned diffuser on above-mentioned LED substrate are 25-30mm.
The utility model is owing to adopting the structure of establishing again a reflector and the milky dish shape diffuser of housing on reflector on LED substrate, make the utility model in the process for Down lamp illumination, the main light forwards sending because of the illuminator on LED substrate, directly by seeing through dish shape diffuser top board place, forming does not luminously evenly have again the main illumination beam of bright spot, hot spot and dark space to project the working face that light fixture will irradiate; And the less important light that its side sends can be by little reflector sidewall refraction and dish shape diffuser all after light, through the Down lamp aluminium reflector reflection of high reflectance, export again, project the working face that light fixture will irradiate, so not only front watches lampshade luminous evenly, without hot spot and dark space, and effective delivery efficiency of light can surpass 90%, illumination of working plane is high, really accomplished low energy consumption, effectively solved existing LED Down lamp side fiber-loss many, the problem such as illumination of working plane is low.Product of the present utility model has obvious high output, low energy consumption feature, is the LED illuminating product of a real efficient energy-saving, can be widely used in the places such as market, office.
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present utility model.
Fig. 2 is assembly structure schematic diagram of the present utility model.
Fig. 3 is that the utility model is for the structural representation on Down lamp.
Fig. 4 is the optical assembly principle of luminosity schematic diagram that there is no little reflector in prior art.
Fig. 5 is principle of luminosity schematic diagram of the present utility model.
The specific embodiment
As shown in Figure 1-Figure 3, the high light efficiency LED optical assembly that Down lamp described in the utility model is used, comprise radiator 1 and be installed on LED substrate 2, the driver on this radiator 1, in order effectively to improve output light efficiency of the present utility model, also comprise little reflector 3 and the dish shape diffusers 4 of housing on described little reflector 3 inner and described LED substrate 2 periphery adapting devices.This diffuser 4 is preferably used the milky acrylic material of the high mist degree of high transmission rate to make.Make the utility model in the process for Down lamp illumination, the main light forwards sending because of the illuminator on LED substrate 2 is directly by seeing through dish shape diffuser 4 top board places, and forming does not luminously evenly have again the main illumination beam of bright spot, hot spot and dark space to project the working face that light fixture will irradiate; After the less important light that its side sends is the first sidewall refraction by little reflector 3, process dish shape diffuser 4 is light all, through the Down lamp aluminium reflector 5 reflection outputs of high reflectance, project the working face that light fixture will irradiate again, so not only front watches lampshade luminous evenly, without hot spot and dark space, and effective delivery efficiency of light can surpass 90%, and illumination of working plane is high, has really accomplished low energy consumption, effectively solved existing LED Down lamp side fiber-loss many, the problem such as illumination of working plane is low.As shown in Figure 4, do not establish the optical assembly of little reflector, the light of its side loss is more; As shown in Figure 5, increased after little reflector 3 and butterfly-shaped diffuser 4, the side of optical assembly loss light obviously reduces.For making little reflector 3 reliable with the syndeton of LED substrate 2, the inner of above-mentioned little reflector 3 is provided with clasp or the clasp 31 with above-mentioned LED substrate 2 periphery adapting devices.For making more compact structure of the present utility model, reliable, above-mentioned dish shape diffuser 4 comprises concave shaped cover body 41 and is shaped in the locating ring limit 42 at these cover body 41 inner port places, this dish shape diffuser 4 by its locating ring limit 42 housing reliable with the adapting device of above-mentioned radiator 1 outer end on above-mentioned little reflector 3 outer ends.The external port of above-mentioned little reflector 3 connects or is close to the place, side bottom of above-mentioned concave shaped cover body 41.And its preferred version is that the top board of above-mentioned concave shaped cover body 41 and the junction of its sidewall are that arc transition is connected.The diameter of the top board of above-mentioned concave shaped cover body 41 is preferably a bit larger tham or equals the diameter of above-mentioned LED substrate 2.For making the utility model can guarantee the optimal luminescent distance between LED substrate 2 and dish-shaped diffuser 3 end faces on the one hand, can guarantee again that on the other hand light enters the slightly higher angle vertically entering of dish shape diffuser 4, to reduce to greatest extent the light that is reflected back diffuser 4 inner chambers, the height between the illuminator on above-mentioned LED substrate 2 and above-mentioned diffuser 4 end faces is 25-30mm.The utility model is by prototyping testing, the optical assembly of design like this, in the situation that the diameter of the end face of butterfly-shaped diffuser 4 is 75 mm, the diffuser 4 top uniformitys are 60%, and transition is even, and its light transmittance mean value is up to 90%, and maximum intensity is 6069.3cd.And tubular diffuser is only housed, does not fill the optical assembly of little reflector, its diffuser top uniformity only has 27%, light transmittance mean value is less than 70%, maximum intensity is 4815.0cd, so the utility model has substantially exceeded product light output in the market, and after bright light, anterior view is seen diffuser uniformly light-emitting, there is no bright spot, hot spot and dark space.Product of the present utility model has obvious high output, low energy consumption feature, is the LED illuminating product of a real efficient energy-saving, can be widely used in the places such as market, office.
Claims (6)
1. the high light efficiency LED optical assembly that Down lamp is used, comprise radiator (1) and be installed on the LED substrate (2) on this radiator (1), characterized by further comprising little reflector (3) and the dish shape diffuser (4) of housing on described little reflector (3) inner and described LED substrate (2) periphery adapting device.
2. the high light efficiency LED optical assembly that Down lamp is used according to claim 1, the inner that it is characterized in that above-mentioned little reflector (3) is provided with clasp or the clasp (31) with above-mentioned LED substrate (2) periphery adapting device.
3. the high light efficiency LED optical assembly of using according to Down lamp described in claim 1 or 2, is characterized in that above-mentioned dish shape diffuser (4) is milky diffuser.
4. the high light efficiency LED optical assembly of using according to Down lamp described in claim 1 or 2, it is characterized in that above-mentioned dish shape diffuser (4) comprises concave shaped cover body (41) and is shaped in the locating ring limit (42) at this cover body (41) inner port place, this dish shape diffuser (4) by its locating ring limit (42) housing reliable with the adapting device of above-mentioned radiator (1) outer end on above-mentioned little reflector (3) outer end.
5. the high light efficiency LED optical assembly that Down lamp is used according to claim 4, is characterized in that the external port of above-mentioned little reflector (3) connects or be close to the place, side bottom of above-mentioned concave shaped cover body (41).
6. the high light efficiency LED optical assembly that Down lamp is used according to claim 1, is characterized in that illuminator on above-mentioned LED substrate (2) and the height between above-mentioned diffuser (4) end face are 25-30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420027686.9U CN203771301U (en) | 2014-01-16 | 2014-01-16 | High-light-effect LED light assembly used for down lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420027686.9U CN203771301U (en) | 2014-01-16 | 2014-01-16 | High-light-effect LED light assembly used for down lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203771301U true CN203771301U (en) | 2014-08-13 |
Family
ID=51288491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420027686.9U Expired - Fee Related CN203771301U (en) | 2014-01-16 | 2014-01-16 | High-light-effect LED light assembly used for down lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203771301U (en) |
-
2014
- 2014-01-16 CN CN201420027686.9U patent/CN203771301U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20140813 Termination date: 20160116 |
|
| EXPY | Termination of patent right or utility model |