CN202303029U - Cabinet lamp - Google Patents
Cabinet lamp Download PDFInfo
- Publication number
- CN202303029U CN202303029U CN2011203990984U CN201120399098U CN202303029U CN 202303029 U CN202303029 U CN 202303029U CN 2011203990984 U CN2011203990984 U CN 2011203990984U CN 201120399098 U CN201120399098 U CN 201120399098U CN 202303029 U CN202303029 U CN 202303029U
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- Prior art keywords
- reflective surface
- cabinet lamp
- led
- lower cover
- curved surface
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Abstract
A cabinet lamp includes a base plate, an LED circuit board, a lower cover and an upper cover. A reflecting cup is arranged between the lower cover and the upper cover, and is provided with a first reflecting curved surface arranged above a plurality of LEDs; the lower cover is provided with a second reflecting curved surface; the first reflecting curved surface and the second curved surface are mutually matched optical curved surfaces; and the optical curvatures of the first reflecting curved surface and the second reflecting curved surface meet the requirement that light rays emitted from the LEDs, which are reflected by the first reflecting curved surface, are sent to the second reflecting curved surface, and then are sent out from the second reflecting curved surface. The cabinet has the characteristics of small thickness, high light emitting efficiency and uniform and soft light rays.
Description
Technical field
The utility model relates to the LED lighting field, especially a kind of cabinet lamp that utilizes LED as illuminating source.
Background technology
In recent years, along with the continuous development of domestic light trade, the cabinet lamp of various styles pours in market.The cabinet lamp is little because of its volume, thin thickness, does not take too many space, has received users' welcome, especially in the very limited occasion of usage space, has obtained especially using widely.
The cabinet lamp is because of its special environment for use; Often need smaller volume and soft uniformly light-emitting; The light that present cabinet lamp is general to use the mode of the material that has diffusion function or product surface frosted to disperse LED to send, thus make lamp surface evenly soft luminous.
Yet the light luminance that uses diffusion material or product surface frosted to make the even soft luminous mode of light fixture all LED sent loses in a large number, thereby has reduced the light output efficiency of light fixture.Use the mode of diffusion material or product surface frosted higher on the other hand, be difficult to accomplish slimming the light fixture thickness requirement.
Therefore, be necessary to design a kind of luminous uniform slimming cabinet lamp to overcome the problems referred to above.
The utility model content
In view of this, the utility model purpose be to provide a kind of cabinet lamp, this cabinet lamp not only has more frivolous external structure, also and can also guarantee the luminous efficiency of whole cabinet lamp in emitting uniform simultaneously.
A kind of cabinet lamp according to the above-mentioned purpose of the utility model proposes comprises chassis, led circuit plate, lower cover and loam cake, and said led circuit plate is arranged between chassis and the lower cover; This led circuit plate is provided with a plurality of outstanding LED, and said covering down is provided with a plurality of penetrating locating holes, and said a plurality of LED are embedded in these a plurality of locating holes; Between said lower cover and loam cake, be provided with a reflector; Said reflector is provided with first reflective surface, and this first reflective surface is positioned at the top of a plurality of LED, is covered with the second luminous curved surface under said; Wherein said first reflective surface and second reflective surface are the optical surface of working in coordination; The optical curvature of this first reflective surface and second reflective surface satisfies light that said LED sends after the reflection of first reflective surface, directive second reflective surface, and from this second reflective surface reflection.
Further, said chassis is provided with locating slot, and said led circuit plate is fixed in the said locating slot.
Optional, the quantity of said a plurality of LED is nine, is divided into three groups, these three groups of LED equidistantly are the centre that the Δ shape is arranged at said led circuit plate each other.
Optional, the quantity of said a plurality of locating holes is three, and three locating holes are equally spaced each other is arranged in the middle of the said lower cover for this, and the position of corresponding said three groups of LED.
Optional, the central authorities of said lower cover are provided with the location slot, this location slot by said a plurality of locating holes around, said reflector is fixed in the slot of said location.
Optional, said first reflective surface is provided with reflective coating, and the reflectivity of this reflective coating is greater than 95%.
Further, said second reflective surface is provided with scattering particles.
Optional, said second reflective surface also is provided with muscle between many, and muscle is equally spaced between these many is divided into polylith reverberation district with second reflective surface, and this polylith luminous zone is corresponding a plurality of LED respectively.
Optional, be covered with transparent surface on said, this transparent surface is provided with translucent cover.
Optional, also be provided with the opaque cover that is used to block reflector in the middle of the said loam cake.
Compared with prior art, the characteristics of the cabinet of the utility model are:
One, the cabinet lamp of the utility model has utilized the mechanism of secondary reflection, and through the special optical design of first reflective surface, the light that LED is sent can be reflected on each zone of second reflective surface, and all launches through secondary reflection.Thus, that can the optical curvature of second reflective surface be designed is very big, helps the thinning of second reflective surface, makes the whole thickness of cabinet lamp all be less than existing cabinet lamp.
Two, the cabinet lamp of the utility model is coated with the rete of high reflectance at first reflective surface, and the light that LED is sent can high efficiencyly reflect away, thereby has guaranteed the overall brightness of cabinet lamp.
Three, the cabinet of the utility model is provided with scattering particles on second reflective surface; The light that LED is sent reflects light under the situation of secondary reflection; Simultaneously have certain dispersion effect again, thereby the light that the cabinet lamp is sent is more evenly soft.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing of the relevant the utility model in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the cabinet lamp explosive view of the utility model;
Fig. 2 is the fragmentary cross-sectional view of the cabinet lamp of the utility model.
The specific embodiment
Because the environment for use of cabinet lamp has determined the following characteristics of cabinet lamp: the first, the volume of cabinet lamp must be frivolous, because cabinet lamp operated by rotary motion does not allow the cabinet lamp to take too big space in the narrow and small cabinet in space; The second, the light that sends of cabinet lamp relatively has evenly soft characteristics, if light is too concentrated, not only makes personnel dazzling easily in use, and is unfavorable for the illumination to the cabinet overall space.The 3rd, the luminous efficiency of cabinet lamp must be high, because the light source of cabinet lamp configuration itself all is low power led light source, if bigger fiber-loss is arranged again, can seem that then cabinet lamp overall brightness is not enough, is unfavorable for that personnel use.
And existing cabinet lamp; In design homogenising exiting surface; Use has the light that the mode of material or the product surface frosted of diffusion function disperses LED to send, and this design can cause the light of partial L ED to be absorbed, thereby has reduced the luminous efficiency of cabinet lamp.This in addition design also is unfavorable for the thinning of cabinet lamp, because material itself has certain thickness.
Therefore the utility model provides a kind of cabinet lamp that can improve the problems referred to above; This cabinet lamp is through the structure of secondary reflection; In the luminous efficiency that guarantees the cabinet lamp; The volume of cabinet lamp is reduced greatly, on the reflective surface surface scattering particles are set simultaneously, the light that the cabinet lamp is sent is more evenly soft.
Elaborate below in conjunction with the specific embodiment of accompanying drawing to the utility model.
See also Fig. 1, Fig. 1 is the cabinet lamp explosive view of the utility model.As shown in the figure, this cabinet lamp comprises chassis 1, led circuit plate 2, lower cover 3, reflector 4 and loam cake 5.
Said led circuit plate 2 is arranged between chassis 1 and the lower cover 3, and said reflector 4 is arranged between lower cover 3 and the loam cake 5.Said chassis 1 is respectively equipped with grab and good to eat with lower cover 3 in the position of correspondence, and through this grab and bayonet socket, this chassis 1 can be fastened togather with lower cover 3 and form an accommodation space, makes led circuit plate 2 can be contained between this chassis 1 and the lower cover 3.The side of said lower cover 3 and loam cake 5 is respectively the big or small hypotenuse of same shape, and this loam cake 5 utilizes screws (not shown) together after covering lower cover 3.
Further; Be provided with locating slot 11 in the middle of the said chassis 1; The formation of the shape of this locating slot 11 and led circuit plate 2 is complementary, and makes led circuit plate 2 can be fixed in the locating slot 11, on the side on this chassis 1, also is provided with wire hole 12 simultaneously; This wire hole 12 is used for the electric wire of an interspersed connection led circuit plate 2 and external power source, supplies power to give led circuit plate 2.
Said led circuit plate 2 is provided with a plurality of outstanding LED21, and said lower cover 3 is provided with a plurality of penetrating locating holes 31, and said a plurality of LED21 are embedded in these a plurality of locating holes 31.In the utility model; The quantity of said LED21 is 9 and is divided into three groups; The quantity of said locating hole 31 is three; These three groups of LED21 equidistantly are the centre that the Δ shape is arranged at said led circuit plate 2 each other, this equally spaced each other centre that is arranged at said lower cover 3 of three locating holes 31, and the position of corresponding said three groups of LED21.In other application, the quantity of these LED and locating hole also can be looked concrete design and regulated.
Those LED21 are generally the illuminated LED in top, and after these LED were mounted in the locating hole 31, its light that sends is upwards emission from locating hole 31.
Be provided with location slot 34 in the middle of the said lower cover, this location slot 34 by said a plurality of locating holes 31 around, said reflector 4 is fixed in the said location slot 34.
Said loam cake 5 is provided with transparent surface 51, and this transparent surface 51 is provided with the translucent cover (not shown).
Also be provided with the opaque cover 6 that is used to block reflector 4 in the middle of the said loam cake 5.
See also Fig. 2, Fig. 2 is the fragmentary cross-sectional view of the cabinet lamp of the utility model.As shown in the figure, said reflector 4 is provided with first reflective surface 40, and this first reflective surface 40 is positioned at the top of a plurality of LED21, the light-emitting area of the relative LED21 of its reflecting surface.Said lower cover 3 is provided with the second luminous curved surface 30.Said first reflective surface 40 and the optical surface of second reflective surface 30 for working in coordination; The optical curvature of this first reflective surface 40 and second reflective surface 30 satisfies light that said LED21 sends after 40 reflections of first reflective surface; Directive second reflective surface 30, and from these second reflective surface, 30 reflections.
Concrete, this first reflective surface 40 to be shaped as bowl planar, this second reflective surface 30 to be shaped as dish planar.These second reflective surface, 30 relative first reflective surfaces 40 have bigger optical curvature, and the design of this deep camber can have following two benefits: the first, and can be so that the whole thickness attenuation of cabinet lamp; Because the thickness of lower cover 30 has determined the thickness of cabinet lamp; In conventional design owing to need to consider the problem of LED lighting angle, therefore can not with the reflective surface of lower cover 3 do too flat; Otherwise at reflective surface near the place of the periphery reflection ray of will having no idea; And the utility model adopts the design of secondary reflecting, for the source of the light on second reflective surface 30, is provided by first reflective surface 40; That therefore can the optical curvature of second reflective surface 30 be designed is very big, reaches the purpose that reduces lower cover 3 thickness.Second; Can increase the rising angle after light is reflected by second reflective surface 30; Because bigger radius of curvature has determined second reflective surface 30 to have bigger reflection angle, therefore in the utility model, the rising angle of this cabinet lamp can reach more than 110 °; This will play better illuminating effect for the utilization of cabinet lamp at small space.
Further; This first reflective surface 40 is provided with the reflective coating of high reflectance material, and the reflectivity of this reflective coating can reach more than 95%, so; Can the whole light extraction efficiency of cabinet lamp be increased to more than 85%; Compare existing cabinet lamp, under the identical situation of the luminous power of light source led, the cabinet light fixture of the utility model has stronger luminosity.
Further; Also be provided with scattering particles on these second reflective surface, 30 surfaces, cooperate the reflection tunic of above-mentioned high reflectance, not only can highlight with scattering function; And the light that the cabinet lamp is sent is more all even soft, can not have influence on the visual effect of human eye.Concrete reflection tunic and scattering particles can be that PC adds titanium valve etc.
Please again referring to Fig. 1; On the reflecting curved surface of this lower cover 3; Also be provided with muscle 32 between many, muscle 32 is equally spaced between these many is divided into polylith reverberation district 33 with second reflective surface 30, and this polylith reverberation district 33 is corresponding a plurality of LED21 respectively; Make each LED emit beam, reflect away from each self-corresponding luminous zone 33.
In sum, the utility model provides a kind of cabinet lamp, this cabinet light fixture has the structure of secondary reflection, and compared with prior art, the technique effect of the utility model is following:
One, the cabinet lamp of the utility model has utilized the mechanism of secondary reflection, and through the special optical design of first reflective surface, the light that LED is sent can be reflected on each zone of second reflective surface, and all launches through secondary reflection.Thus, that can the optical curvature of second reflective surface be designed is very big, helps the thinning of second reflective surface, makes the whole thickness of cabinet lamp all be less than existing cabinet lamp.
Two, the cabinet lamp of the utility model all is coated with the rete of high reflectance at first reflective surface and second reflective surface, and the light that LED is sent can high efficiencyly reflect away, thereby has guaranteed the overall brightness of cabinet lamp.
Three, the cabinet of the utility model is provided with scattering particles on first reflective surface and second reflective surface; Can make light that LED sends under the situation of secondary reflection; Simultaneously have certain dispersion effect again, thereby the light that the cabinet lamp is sent is more evenly soft.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. a cabinet lamp comprises chassis, led circuit plate, lower cover and loam cake, and said led circuit plate is arranged between chassis and the lower cover; This led circuit plate is provided with a plurality of outstanding LED, and said covering down is provided with a plurality of penetrating locating holes, and said a plurality of LED are embedded in these a plurality of locating holes; It is characterized in that: between said lower cover and loam cake, be provided with a reflector; Said reflector is provided with first reflective surface, and this first reflective surface is positioned at the top of a plurality of LED, is covered with the second luminous curved surface under said; Wherein said first reflective surface and second reflective surface are the optical surface of working in coordination; The optical curvature of this first reflective surface and second reflective surface satisfies light that said LED sends after the reflection of first reflective surface, directive second reflective surface, and from this second reflective surface reflection.
2. cabinet lamp as claimed in claim 1 is characterized in that: said chassis is provided with locating slot, and said led circuit plate is fixed in the said locating slot.
3. will remove 1 described cabinet lamp like right, it is characterized in that: the quantity of said a plurality of LED is nine, is divided into three groups, and these three groups of LED equidistantly are the centre that the Δ shape is arranged at said led circuit plate each other.
4. cabinet lamp as claimed in claim 3 is characterized in that: the quantity of said a plurality of locating holes is three, and three locating holes are equally spaced each other is arranged in the middle of the said lower cover for this, and the position of corresponding said three groups of LED.
5. cabinet lamp as claimed in claim 1 is characterized in that: the central authorities of said lower cover are provided with the location slot, this location slot by said a plurality of locating holes around, said reflector is fixed in the slot of said location.
6. cabinet lamp as claimed in claim 1 is characterized in that: said first reflective surface is provided with reflective coating, and the reflectivity of this reflective coating is greater than 95%.
7. cabinet lamp as claimed in claim 6 is characterized in that: said second reflective surface is provided with scattering particles.
8. cabinet lamp as claimed in claim 1 is characterized in that: said second reflective surface also is provided with muscle between many, and muscle is equally spaced between these many is divided into polylith reverberation district with second reflective surface.
9. cabinet lamp as claimed in claim 1 is characterized in that: be covered with transparent surface on said, this transparent surface is provided with translucent cover.
10. cabinet lamp as claimed in claim 9 is characterized in that: also be provided with the opaque cover that is used to block reflector in the middle of the said loam cake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203990984U CN202303029U (en) | 2011-10-19 | 2011-10-19 | Cabinet lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203990984U CN202303029U (en) | 2011-10-19 | 2011-10-19 | Cabinet lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202303029U true CN202303029U (en) | 2012-07-04 |
Family
ID=46371918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203990984U Expired - Fee Related CN202303029U (en) | 2011-10-19 | 2011-10-19 | Cabinet lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202303029U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251403A (en) * | 2013-06-27 | 2014-12-31 | 林郅燊 | Lamp with high heat dissipation performance |
| CN104456460A (en) * | 2014-11-20 | 2015-03-25 | 李军安 | Magnetic type LED device for warning |
-
2011
- 2011-10-19 CN CN2011203990984U patent/CN202303029U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251403A (en) * | 2013-06-27 | 2014-12-31 | 林郅燊 | Lamp with high heat dissipation performance |
| CN104456460A (en) * | 2014-11-20 | 2015-03-25 | 李军安 | Magnetic type LED device for warning |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20121019 |