CN207621699U - A kind of big wide-angle LED lamp - Google Patents
A kind of big wide-angle LED lamp Download PDFInfo
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- CN207621699U CN207621699U CN201721788596.1U CN201721788596U CN207621699U CN 207621699 U CN207621699 U CN 207621699U CN 201721788596 U CN201721788596 U CN 201721788596U CN 207621699 U CN207621699 U CN 207621699U
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- astigmatism
- reflector
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- led lamp
- convex block
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Abstract
The utility model discloses a kind of big wide-angle LED lamps, including lower housing and several LED lamp beads, driving is equipped in lower housing, the front of lower housing is equipped with the upper shell with lens one, it is equipped with reflector in the cavity that lower housing and upper shell are formed, reflector is set on the outside of LED lamp bead, reflector cavity is equipped between upper shell and reflector, astigmatism mesh plate is equipped in reflector cavity, astigmatism mesh plate is equipped with the astigmatism convex block of downward housing direction protrusion, astigmatism convex block is equipped with reflecting coating, and reflector includes horn-like expansion light shield, and reflecting coating also is provided on reflector.The utility model is beneficial in that, makes the uniform light of LED light, while expanding the reflected light that light shield secondary reflection astigmatism convex block is sent out, and is increased the irradiation wide-angle of LED light, is improved the performance of LED light.
Description
Technical field
The utility model is related to LED light technical field more particularly to a kind of big wide-angle LED lamps.
Background technology
LED, that is, light emitting diode is a kind of solid state semiconductor devices that can convert electrical energy into visible light.LED's
Heart is the chip of a semiconductor, and one end of chip is attached on a holder, and one end is cathode, and the other end is connecting power supply just
Pole makes entire chip by epoxy encapsulation.It is existing using LED lamp by being welded on a substrate with circuit
On, it reapplies in lamps and lanterns, while coupled circuit drives and powers to LED light, circuit drives are insulating as unitary part setting
In box, entire driving is fixed on substrate with screw.In order to meet the heat dissipation of LED light, reduces the light decay of LED light, improve LED
The service life of lamp, LED light are also mostly single side irradiating structure to ensure that only there are one smooth surfaces, other sides are radiating surface.And
The certain occasions of street lamp on such as square Projecting Lamp or high speed need larger irradiation wide-angle, conveniently illuminate big region, LED
Lamp will appear the hot spot of concentration in direct projection due to the high directivity of its light source, be unfavorable for using as the Projecting Lamp in big region.
For example, Authorization Notice No. is CN205640558U in Chinese patent literature, it is October 12 2016 day for announcing, practical
Novel entitled " a kind of LED projector lamp ", discloses a kind of LED projector lamp, including bottom case, is fixedly arranged on bottom in bottom case
LED light source structure, the driving device being electrically connected with LED light source structure；LED light source structure includes that can pacify the installation being affixed on bottom case
Plate, the insulation frame enclosed outside substrate, by substrate upper end faces outwardly extraction at the substrate with LED lamp bead on mounting plate
Conducting wire, embedding is in the fluorescent glue on substrate.Disadvantage is that the light projector area of Projecting Lamp is small, irradiation is excessively concentrated, and is shone
The uniformity penetrated is poor, is unfavorable for actual use.
Therefore, it is just necessary to design a kind of LED light of the big wide-angle without hot spot.
Utility model content
The utility model will overcome existing LED projector lamp light to concentrate, and the deficiency of the uniformity difference of light provides one
The big wide-angle LED lamp of kind, it is intended to increase the irradiating angle of LED light, improve the uniformity of LED light light, improve the usability of LED light
Energy.
To achieve the goals above, the utility model adopts the following technical solution.
A kind of big wide-angle LED lamp, including lower housing and several LED lamp beads, lower housing is interior to be equipped with driving, the front of lower housing
Equipped with the upper shell with lens one, it is equipped with reflector in the cavity that lower housing and upper shell are formed, reflector is set in LED light
On the outside of pearl, reflector cavity is equipped between upper shell and reflector, is equipped with astigmatism mesh plate in reflector cavity, astigmatism mesh plate be equipped with to
The astigmatism convex block of lower housing direction protrusion, astigmatism convex block are equipped with reflecting coating, and reflector includes horn-like expansion light shield, reflective
Reflecting coating also is provided on plate.
The light that LED lamp bead generates is radiated on astigmatism convex block, the reflecting coating reflective portion LED light on astigmatism convex block to expansion
On light shield, redistributing for light is completed by the multiple reflections of astigmatism convex block and reflector, the aggregation light of LED light is broken up, makes
The uniform light of LED light, while expanding the reflected light that light shield secondary reflection astigmatism convex block is sent out, increase the irradiation wide-angle of LED light, changes
The performance of kind LED light.
Preferably, astigmatism convex block is round table-like, the upper side of astigmatism convex block is astigmatism face, astigmatism face be ellipse and with
The round platform axis of astigmatism convex block tilts intersection.For round table-like astigmatism convex block by the light splitting of its astigmatism face reflecting part, part light can be with
Directly it is mapped to outside LED light；Astigmatism convex block is inclined round table-like, and astigmatism face is intersected with the inclination of round platform axis, astigmatism face and LED lamp bead
Axis out of plumb, be conducive to the light for breaing up LED lamp bead, reduce the generation of LED light hot spot.
Preferably, reflector is equipped with several light distribution convex surfaces, light distribution convex surface is spherical surface.Astigmatism is spread by light distribution convex surface
The light of face reflection, solves the coherent condition of LED lamp bead light, reduces the generation of LED light hot spot, completes light distribution.
Preferably, lens interior is equipped with several phosphor dots.Phosphor dot can receive the direct light of LED lamp bead, astigmatism
The radiating light of convex block and the secondary reflection light for expanding light shield can be used as secondary light source, improve the irradiation ability of LED light, improve LED
The uniform light degree of lamp.
The utility model is beneficial in that：
Redistributing for light is completed by the multiple reflections of astigmatism convex block and reflector, the aggregation light of LED light is broken up, makes
The uniform light of LED light；
Expand the reflected light that light shield secondary reflection astigmatism convex block is sent out, increases the irradiation wide-angle of LED light, improve making for LED light
Use performance；
Phosphor dot improves the irradiation ability of LED light as secondary light source, improves the uniform light degree of LED light.
The light of astigmatism face reflection is spread on light distribution convex surface, solves the coherent condition of LED lamp bead light, reduces LED light hot spot
Generation, complete light distribution.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the enlarged view at the A in Fig. 1.
In figure：1 LED lamp bead 2 of lower housing drives 3 upper shell, 4 sealing ring, 5 cooling fin, 6 reflector 7 to expand light shield 71
811 lens of light distribution convex surface 72 reflector cavity, 701 astigmatism mesh plate, 8 astigmatism convex block, 81 astigmatism face, 9 phosphor dot 91.
Specific implementation mode
The utility model is described further in the following with reference to the drawings and specific embodiments.
In Fig. 1 and Fig. 2, a kind of big wide-angle LED lamp, including lower housing 1 and several LED lamp beads 2, interior be equipped with of lower housing 1 are driven
Dynamic 3, the front of lower housing 1 is equipped with the upper shell 4 with 9 one of lens, and upper shell 4 connects in the side wall of cooperation with lower housing 1 and is equipped with
Sealing ring 5,1 inside fitting of lower housing are provided with cooling fin 6.It is equipped with reflector 7 in the cavity that lower housing 1 and upper shell 4 are formed,
Reflector 7 is set in 2 outside of LED lamp bead, and reflector cavity 701 is equipped between upper shell 4 and reflector 7, is equipped with and dissipates in reflector cavity 701
Light mesh plate 8, astigmatism mesh plate 8 are equipped with the astigmatism convex block to 1 direction of lower housing protrusion, and astigmatism convex block is equipped with reflective painting
Layer, reflector 7 include horn-like expansion light shield 71, and reflecting coating also is provided on reflector 7.In Fig. 2, astigmatism convex block is round platform
The upper side of shape, astigmatism convex block is astigmatism face 811, and astigmatism face 811 is ellipse and tilts phase with the round platform axis of astigmatism convex block
It hands over.As shown in Figure 1, the inclined direction positioned at the astigmatism face 811 of the astigmatism convex block of both sides inside Projecting Lamp is respectively that its is close
On the outside of Projecting Lamp.Reflector 7 is equipped with several light distribution convex surfaces 72, and light distribution convex surface 72 is spherical surface.Lens 9 are internally provided with several fluorescence
Point 91.
The light that LED lamp bead 2 generates is radiated on astigmatism convex block, and the reflecting coating reflective portion LED light on astigmatism convex block is extremely
Expand on light shield 71, completes redistributing for light by the multiple reflections of astigmatism convex block and reflector 7, break up the aggregation of LED light
Light, makes the uniform light of LED light, while expanding the reflected light that 71 secondary reflection astigmatism convex block of light shield is sent out, and increases the irradiation of LED light
Wide-angle improves the performance of LED light.
Claims (4)
1. a kind of big wide-angle LED lamp, including lower housing and several LED lamp beads, lower housing is interior to be equipped with driving, is set in front of lower housing
There is the upper shell with lens one, is equipped with reflector in the cavity that lower housing and upper shell are formed, reflector is set in LED lamp bead
Outside, characterized in that be equipped with reflector cavity between upper shell and reflector, astigmatism mesh plate, astigmatism mesh plate are equipped in reflector cavity
It is equipped with the astigmatism convex block of downward housing direction protrusion, for astigmatism convex block equipped with reflecting coating, reflector includes horn-like expansion
Light shield also is provided with reflecting coating on reflector.
2. a kind of big wide-angle LED lamp according to claim 1, characterized in that the astigmatism convex block is round table-like, and astigmatism is convex
The upper side of block is astigmatism face, and astigmatism face is ellipse and intersects with the inclination of the round platform axis of astigmatism convex block.
3. a kind of big wide-angle LED lamp according to claim 1 or 2, characterized in that the reflector is equipped with several light distributions
Convex surface, light distribution convex surface are spherical surface.
4. a kind of big wide-angle LED lamp according to claim 1 or 2, characterized in that the lens interior is equipped with several fluorescence
Point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721788596.1U CN207621699U (en) | 2017-12-19 | 2017-12-19 | A kind of big wide-angle LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721788596.1U CN207621699U (en) | 2017-12-19 | 2017-12-19 | A kind of big wide-angle LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207621699U true CN207621699U (en) | 2018-07-17 |
Family
ID=62821136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721788596.1U Active CN207621699U (en) | 2017-12-19 | 2017-12-19 | A kind of big wide-angle LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207621699U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113251348A (en) * | 2021-05-12 | 2021-08-13 | 武常雷 | Adjustable LED projection lamp |
-
2017
- 2017-12-19 CN CN201721788596.1U patent/CN207621699U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113251348A (en) * | 2021-05-12 | 2021-08-13 | 武常雷 | Adjustable LED projection lamp |
| CN113251348B (en) * | 2021-05-12 | 2023-10-27 | 宁波智鼎电器有限公司 | Adjustable LED projection lamp |
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