CN205746057U - Illuminator - Google Patents
Illuminator Download PDFInfo
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- CN205746057U CN205746057U CN201520906717.2U CN201520906717U CN205746057U CN 205746057 U CN205746057 U CN 205746057U CN 201520906717 U CN201520906717 U CN 201520906717U CN 205746057 U CN205746057 U CN 205746057U
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- illuminator
- light
- reflector
- chamber shell
- emitting diode
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Abstract
The presently disclosed embodiments provides a kind of illuminator, comprising: multiple light emitting diode；Chamber shell, at least includes the first chamber shell surface portion；And reflector, at least include the first reflector surface part；Wherein said chamber shell and described reflector constitute a part for the shell of described illuminator；And described first chamber shell surface portion and described first reflector surface part combination form cavity, described cavity surrounds the plurality of light emitting diode, and described cavity forms the reflecting part being used for reflection from the light of the plurality of light emitting diode.Can reduce the cost of existing ultra-thin light fixture according to the illuminator that embodiment of the disclosure, and keep good simultaneously and uniformly go out light ability.
Description
Technical field
Each embodiment of the present utility model relates to lighting field, is more particularly to a kind of illuminator.
Background technology
Along with the development of light emitting diode (LED) lighting engineering, increasing Producer focuses on cost and the outward appearance of product, such as provides the consumer with enough novel outward appearance while reducing material cost.
One trend of current LED illumination product design is so that LED product is thinning, thus provides the consumer with enough unique outward appearance.In addition to the cost and outward appearance of product, the function of LED illumination product, efficiency, go out light distribution be also important Consideration.
In down-ejection type light outlet lamp (such as lamp affixed to the ceiling), in order to realize relatively thin form-factor, the design frequently by optical plate realizes.Fig. 1 shows the structural representation of a kind of ultra-thin LED illumination lamp of prior art.
As shown in Figure 1, LED illumination lamp 100 mainly includes LED light source 110, reflector 130, optical plate 120 and diffuser 140, wherein LED light source is arranged in the lateral of optical plate 120, thus the light that LED light source 110 is launched enters in optical conductor via the side of optical plate 120；Reflector 130 is arranged in the back side of optical plate 120, thus by the luminous reflectance of transmission in optical plate 120 to diffuser 140, and light diffusion is then transmitted through the outside 110 of lighting by diffuser 140.Wherein, optical plate 120 is the vitals of lighting 100, and by optical plate, what lighting 100 can realize external environment uniformly goes out light.
It is still desirable to keep its light fixture going out light ability while providing the cost of the existing ultra-thin light fixture of a kind of further reduction.
Utility model content
Therefore, embodiment of the disclosure and provide a kind of illuminator, it can reduce the cost of existing ultra-thin light fixture, and keep good simultaneously and uniformly go out light ability.
According to an aspect of this disclosure, it is provided that a kind of illuminator, comprising: multiple light emitting diode；Chamber shell, at least includes the first chamber shell surface portion；And reflector, at least include the first reflector surface part；Wherein, described chamber shell and described reflector constitute the part of shell for described illuminator；And described first chamber shell surface portion and described first reflector surface part combination form cavity, described cavity surrounds the plurality of light emitting diode, and described cavity forms the reflecting part being used for reflection from the light of the plurality of light emitting diode.
Further embodiment according to the disclosure, described illuminator also includes being suitable to the light-emitting window of light produced by illuminator described in external environment transmission, and the described first chamber shell surface portion of described light-emitting window, described reflector and described chamber shell constitutes the enclosed construction surrounding the plurality of light emitting diode.
According to the further embodiment of the disclosure, the cavity in the shell of described chamber is arranged on the lateral surface of described enclosed construction, and for driving the driver of the plurality of lumination of light emitting diode to be positioned among the cavity of described chamber shell.
According to the further embodiment of the disclosure, the array of the plurality of light emitting diode is circular layout on the sidewall of described enclosed construction, thus essentially laterally launches light.
According to the further embodiment of the disclosure, described enclosed construction inner hollow, and in flat pattern；And the cavity of the described chamber shell at least partly described enclosed construction of annular encirclement.
According to the further embodiment of the disclosure, described first chamber shell surface portion and described first reflector surface part are respectively formed as the diffuse-reflectance surface of concave surface.
According to the further embodiment of the disclosure, described reflector also includes that the second reflector surface part, described first reflector surface part and the combination of the second reflector surface part form dish shape.
According to the further embodiment of the disclosure, described second reflector surface part is the diffuse-reflectance surface of plane, and is oppositely arranged with described light-emitting window, thus by light towards described light-emitting window direction diffuse-reflectance.
According to the further embodiment of the disclosure, described reflector is made up of metal, plastics or pottery, and is adapted as the radiator of whole illuminator；And described chamber shell is made up of plastics.
According to the further embodiment of the disclosure, described illuminator includes lamp affixed to the ceiling.
Accompanying drawing explanation
In the accompanying drawings, similar/identical reference is typically opening through different views and refers to similar/identical part.Accompanying drawing is not necessarily to scale, but generally emphasizes the diagram to principle of the present utility model.In the accompanying drawings:
Fig. 1 shows the structural representation of a kind of ultra-thin LED illumination lamp of prior art；
Fig. 2 shows the decomposing schematic representation of the illuminator of an embodiment according to the disclosure；
Fig. 3 a and Fig. 3 b respectively illustrates top view and the profile of the illuminator of an embodiment according to the disclosure；And
Fig. 4 shows the index path of the illuminator of an embodiment according to the disclosure.
Detailed description of the invention
It is described in detail below with reference to accompanying drawing each embodiment of this disclosure.One or more examples of embodiment are by shown by accompanying drawing.Embodiment is provided by the elaboration of the disclosure, and is not intended as restriction of this disclosure.Such as, yet a further embodiment may be used to generate in another embodiment as the feature shown or described by a part for an embodiment.The disclosure is intended to include belonging to these and other modifications and variations of disclosure scope and spirit.
As previously discussed, it is still desirable to while the cost of the existing ultra-thin light fixture of a kind of further reduction is provided, keep its light fixture going out light ability.The design of the disclosure be to omit in prior art through frequently with optical plate, and keep simultaneously its original go out light ability.
Fig. 2 shows the decomposing schematic representation of the illuminator of an embodiment according to the disclosure.As in figure 2 it is shown, illuminator 200 can include multiple light emitting diode 210, reflector 230, chamber shell 220, light-emitting window 250 and capping 260.
Multiple light emitting diodes 210, it is used as the light source of illuminator 200, and is suitable to launch the light of any color and wavelength；
Reflector 230, is suitable to reflect the light from above-mentioned light emitting diode 210, and light be directed to light-emitting window 250.
Chamber shell 220, is formed with cavity and is arranged in the periphery of reflector 230 in it, and is suitable to accommodate such as conductive component in addition to light emitting diode 210.The example of this conductive component includes the driver being not limited to be suitable to driven for emitting lights diode emitter light.
Capping 260, it is selectable unit (SU), for compensated cavity shell 220 to be enclosed among chamber shell 220 by such as conductive component.
Light-emitting window 250, it is suitable to the external environment transmission light from multiple light emitting diodes.
The combination of above-mentioned all parts is formed according to the illuminator that embodiment of the disclosure, wherein reflector 230, chamber shell 220 may be constructed a part for the shell of illuminator.Illuminator after this combination can be for example, see structure shown by Fig. 3 a and Fig. 3 b.
Fig. 3 a and Fig. 3 b respectively illustrates top view and the profile of the illuminator of an embodiment according to the disclosure.The structure of each ingredient above-mentioned described in more detail is carried out below in conjunction with Fig. 3 a and Fig. 3 b.
Seeing Fig. 3 a, this illuminator is configured to circle.It will be understood by those skilled in the art, however, that the illuminator of other shapes is also possible.
Fig. 3 b shows the profile that the line A-A along Fig. 3 a is intercepted.From this profile, whole illuminator 200, in flat and slender shape, thus provides the consumer with the visual appearance of uniqueness.
In order to provide the visual appearance of above-mentioned uniqueness, as visible in Fig. 3 b, whole illuminator does not include any optical plate, but the enclosed construction V with cavity being instead mainly made up of a part for reflector 230, light-emitting window 250 and chamber shell 220, wherein, the cavity of chamber shell 220 or main body are arranged on the lateral surface of this enclosed construction V, and annular surrounds enclosed construction V.
The light that enclosed construction V is launched for guiding the light emitting diode 210 (being such as positioned at the sidewall of enclosed construction) being positioned at enclosed construction V is transmitted to external environment condition by light-emitting window 250.To this end, the reflector 230 in enclosed construction V can be suitable for reflecting light to light-emitting window 250 for example formed as dish shape.
Further, reflector 230 can at least include the first reflector sections 231 and the second reflector sections 232.First reflector sections 231 and the second reflector sections 232 can in combination in the future the luminous reflectance of self-luminous diode 210 to light-emitting window 250.As example, owing to the first reflector sections 231 is near light emitting diode 210, then the first reflector sections 231 can be configured to curved surface, and the second reflector sections 232 away from light emitting diode 210 can be configured to plane.It will be understood by those skilled in the art that what the first reflector sections 231 of other shapes and the second reflector sections 232 were equally possible.
According to embodiment of the disclosure, first reflector sections 231 and the second reflector sections 232 are additionally configured to the surface (such as having the diffuse-reflectance rate of 97%) with high diffusion reflection, so that light can reflex to homogenization light-emitting window 250, what this improve whole illuminator 200 uniformly goes out light ability.
Additionally, reflector 230 can be formed by metal or other materials being suitable to heat radiation, other materials being suitable to heat radiation include but not limited to plastics, pottery etc..When using other to be suitable to the material of heat radiation formation reflector 230, the surface of above-mentioned high diffusion reflection can be formed in the way of using such as coating.
In embodiment of the disclosure, using metal to be in addition to having reflection function as the advantage of reflector or other materials being suitable to heat radiation, this reflector 230 is also used as the radiator of whole illuminator 200.As it was previously stated, reflector 230 constitutes a part for the shell of illuminator 200, when can also be worked by light emitting diode 210 accordingly, as the reflector 230 of radiator, produced heat directly spreads to external environment condition.As a result, the illuminator that embodiment of the disclosure, without arranging other radiator further, this simplify the quantity of the assembly of existing illuminator, thus provides cost savings.
Chamber shell 220 at least includes the first chamber shell surface portion 221, it constitutes the ingredient of above-mentioned enclosed construction V, thus the main part of other chamber shell parts in addition to the first chamber shell surface portion 221 or chamber shell is positioned at the lateral surface of enclosed construction V, and at least partly annular surrounds above-mentioned enclosed construction V.
Especially, the first chamber shell surface portion 221 and the first reflector surface part 231 can form the cavity being similar to such as cup, and this cavity forms a part of above-mentioned enclosed construction V, and the sidepiece of this cavity is provided with multiple light emitting diode 210.In an embodiment of the disclosure, multiple light emitting diodes 210 may be located at the center of the cavity of the first chamber shell surface portion 221 and the combination formation of the first reflector surface part 231.
Similarly, the first chamber shell surface portion 221 also has good reflectance, such as, have high diffusion reflecting surface (such as having the diffuse-reflectance rate of 97%).Curve form and the size of the cavity including the first chamber shell surface portion 221 and the first reflector surface part 231 can be designed, so that whole cavity is suitable to other space segments that the light launched by light emitting diode 210 guides or reflexes to enclosed construction V, so that the light in space can compare and is evenly distributed in enclosed construction.
As example, the first chamber shell surface portion 221 and the first reflector surface part 231 can be formed as concave surface.Further such as, the camber reflection surface area of the first reflector surface part 231 consequently facilitating light is directed directly to light-emitting window, and can improve the aperture area of light-emitting window more than the camber reflection surface area of the first chamber shell surface portion 221 simultaneously.
Understanding in conjunction with Fig. 2, the first chamber shell surface portion 221 and the cavity of the first reflector surface part 231 combination formation and the light source i.e. light emitting diode 210 being positioned at cavity middle all can be circular layout.
According to embodiment of the disclosure, reflector 230 and chamber shell 220 are all separately formed, thus, when reflector 230 and chamber shell 220 are combined by frame for movement (such as clamping or screw connecting structure etc.), the first chamber shell surface portion 221 and the first reflector surface part 231 composition form cavity.Light emitting diode 210 then can such as be arranged on the sidewall that the first reflector surface part 231 downwardly extends, and then reflector 230 can be fixed together by this sidewall and chamber shell 220.It is to be noted, light emitting diode 210 can be directly arranged on the sidewall that this first reflector surface part 231 downwardly extends, or indirectly arranged on the side wall by printed circuit board (PCB), in the case of light emitting diode 210 is arranged on a printed circuit, light emitting diode 210 can be formed as the bar body of annular.
It will be understood by those skilled in the art that combinations thereof reflector 230 together and chamber shell 220 can separately be formed, but other formation or compound mode are also possible.Such as, in other embodiments, reflector 230 and chamber shell 220 can be one-body molded.
In conjunction with seeing Fig. 2, chamber shell 220 is one-body molded, it can be arranged ringwise and main body is arranged at the periphery of enclosed construction V, its thickness can be less than the thickness of enclosed construction V, so that the thickness of whole illuminator can be only dependent upon the thickness of enclosed construction V, this improves the ability of slimming of illuminator.But, in other embodiments, it is also possible that the thickness of chamber shell 220 is equal to or slightly higher than the thickness of enclosed construction V.
As example, embodiment of the disclosure by above-mentioned chamber shell 220 and the arrangement of enclosed construction V so that the thickness of whole illuminator 200 reaches 10 several millimeters, even lower.
The ring-shaped inner part hollow of chamber shell 220, it may be used for being accommodated therein the conductive component of such as driver 240.In order to avoid conductive component can also be configured to cover 260 by external contact, chamber shell 220, thus is closed in wherein by conductive component.For the purpose of safety, described chamber shell 220 such as can be made up of plastics.But, in other embodiments, other material is the most ceramic, and the chamber shell that even metal is formed also is possible.
The illuminator 200 that embodiment of the disclosure also includes light-emitting window 250, light-emitting window 250 generally with the second opposing parallel setting of reflector surface part 232 of reflector 230, in order to the second reflector surface part 232 by luminous reflectance to light-emitting window.
In order to improve the light-emitting uniformity of illuminator 200, light-emitting window 250 can be configured to diffusion transmissive body, and it is suitable to light diffusion is transmitted to external environment condition.Especially, the inner surface of light-emitting window 250 and outer surface can have different roughness, the outer surface of such as light-emitting window can have the micro structure of average particle size particle size substantially 75um, and inner surface can have the micro structure of average particle size particle size substantially 38um, the shape of described micro structure includes but not limited to spherical, prism, truncated cone-shaped and other are irregularly shaped.
By above-mentioned enclosed construction V, the most above-mentioned reflector 230, the structure design of light-emitting window 250, the light-emitting window of the illuminator that embodiment of the disclosure can realize the brightness uniformity of at least 49.5%, and wherein brightness uniformity is defined divided by average brightness level by the minimum brightness level of light-emitting window.
Going out light principle in order to clearly understand the illuminator that embodiment of the disclosure, Fig. 4 briefly illustrates the index path of the illuminator of an embodiment according to the disclosure.Such as, the light launched from light emitting diode 210 is reflexed to light-emitting window 250 by reflector 230 and the first chamber shell surface portion 221, and then light diffusion is transmitted through the outside of illuminator 200 by light-emitting window 250.
Below describe in detail structure and the principle of the illuminator that embodiment of the disclosure, it will be appreciated by those skilled in the art that, this illuminator eliminates the layout of optical plate, such that it is able to the cost of illuminator is greatly reduced, meanwhile remains in that and good uniformly goes out light ability.In addition, it will be understood that the illuminator that embodiment of the disclosure can apply to many places.Such as, as nonrestrictive example, this illuminator as lamp affixed to the ceiling, and can be arranged on ceiling.
Although accompanying drawing and described above in illustrate and describe in detail this utility model, but these explanations and describing are considered as illustrative or exemplary rather than restrictive；This utility model is not limited to the disclosed embodiments.Those skilled in the art, in putting into practice claimed invention, are appreciated that by research accompanying drawing, disclosure and claims and are put into practice other variant of the disclosed embodiments.
In the claims, word " includes " being not precluded from other element, and indefinite article "a" or "an" is not excluded for multiple.Discrete component or other unit can meet the function of the multiple projects illustrated in the claims.Only mutually different embodiment or be recited in mutually different dependent some feature only have the fact, be not meant to cannot be used to advantage the combination of these features.In the case of without departing from spirit and scope, the protection domain of the application contain each embodiment or each feature of being recited in mutually different dependent are any may combination.
Any reference marker in the claims is understood not to limit scope of the present utility model.
Claims (10)
1. an illuminator (200), it is characterised in that including:
Multiple light emitting diodes (210)；
Chamber shell (220), at least includes the first chamber shell surface portion (221)；And
Reflector (230), at least includes the first reflector surface part (231)；
Wherein, a part for the shell of described chamber shell (220) and both described illuminators of composition of described reflector (230)；And
Described first chamber shell surface portion (221) and described first reflector surface part (231) combination form cavity, described cavity surrounds the plurality of light emitting diode (210), and described cavity forms the reflecting part for reflecting the light from the plurality of light emitting diode.
Illuminator the most according to claim 1, it is characterised in that
Described illuminator also includes the light-emitting window (250) being suitable to light produced by illuminator described in external environment transmission, and described first chamber shell surface portion (221) in described light-emitting window (250), described reflector (230) and described chamber shell (220) constitutes the enclosed construction (V) surrounding the plurality of light emitting diode (210).
Illuminator the most according to claim 2, it is characterised in that
Cavity in described chamber shell (220) is arranged on the lateral surface of described enclosed construction (V), and for driving the driver (240) of the plurality of lumination of light emitting diode to be positioned among the cavity in described chamber shell (220).
Illuminator the most according to claim 2, it is characterised in that
The array of the plurality of light emitting diode (210) is circular layout on the sidewall of described enclosed construction (V), thus essentially laterally launches light.
Illuminator the most according to claim 3, it is characterised in that
Described enclosed construction (V) inner hollow, and in flat pattern；And the cavity of the described chamber shell at least partly described enclosed construction of annular encirclement.
Illuminator the most according to claim 1, it is characterised in that
Described first chamber shell surface portion (221) and described first reflector surface part (231) are respectively formed as the diffuse-reflectance surface of concave surface.
Illuminator the most according to claim 6, it is characterised in that
Described reflector also includes that both combinations of the second reflector surface part (232), described first reflector surface part (231) and the second reflector surface part (232) form dish shape.
Illuminator the most according to claim 7, it is characterised in that
Described second reflector surface part (232) is the diffuse-reflectance surface of plane, and is oppositely arranged with the light-emitting window (250) of described illuminator, thus by light towards described light-emitting window direction diffuse-reflectance.
Illuminator the most according to claim 1, it is characterised in that
Described reflector is made up of metal, plastics or pottery, and is adapted as the radiator of whole illuminator；And described chamber shell is made up of plastics.
10. according to the illuminator according to any one of claim 1-9, it is characterised in that described illuminator includes lamp affixed to the ceiling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520906717.2U CN205746057U (en) | 2015-11-13 | 2015-11-13 | Illuminator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520906717.2U CN205746057U (en) | 2015-11-13 | 2015-11-13 | Illuminator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205746057U true CN205746057U (en) | 2016-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520906717.2U Active CN205746057U (en) | 2015-11-13 | 2015-11-13 | Illuminator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205746057U (en) |
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- 2015-11-13 CN CN201520906717.2U patent/CN205746057U/en active Active
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