CN201836765U - LED spotlight - Google Patents
LED spotlight Download PDFInfo
- Publication number
- CN201836765U CN201836765U CN2010205710076U CN201020571007U CN201836765U CN 201836765 U CN201836765 U CN 201836765U CN 2010205710076 U CN2010205710076 U CN 2010205710076U CN 201020571007 U CN201020571007 U CN 201020571007U CN 201836765 U CN201836765 U CN 201836765U
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- China
- Prior art keywords
- light
- led
- waist
- light source
- containing cavity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
- F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
Abstract
The utility model discloses an LED spotlight which comprises a radiator, a reflective cup, an LED light source, a light guide lens and a drive circuit, wherein the reflective cup is arranged on the radiator; the LED light source is arranged at the bottom of the reflective cup; the light guide lens comprises a waist and a top extending upwards from the upper surface of the waist; the center of the bottom of the light guide lens is concaved upwards to form an accommodating cavity; the LED light source is clung to the bottom surface of the light guide lens; an LED chip arranged on the LED light source is accommodated in the accommodating cavity; light rays entering from the cavity wall of the accommodating cavity are refracted to the reflecting surface of the reflective cup by the waist, and light rays entering from the top surface of the accommodating cavity are refracted by the top and are projected out; and the drive circuit is used for driving the LED light source. The utility model has the advantages that the utilization ratio of scattering light rays is increased effectively, and the scattering light rays are centralized centrally; and the angle of a projected beam is better controlled, so that the illuminating brightness can be improved.
Description
Technical field
The utility model relates to a kind of lighting device, refers in particular to a kind of light emitting diode (Light Emitting Diode; LED) shot-light.
Background technology
Than traditional Halogen lamp LED, the LED shot-light has plurality of advantages such as high light efficiency, low energy consumption, long service life, and just progressively replaces Halogen lamp LED to make the usefulness such as the local lighting in places such as market, family.Existing LED shot-light, mainly being arranged at parabolic surface reflector, on this radiator by a radiator, is arranged at the drive circuit that the led light source and of center is connected between led light source and the power input terminal at the bottom of this reflector cup and constitutes, the light that led light source produced throws away after the reflection of the parabolic surface of reflector, and plays the usefulness of illumination.As State Intellectual Property Office in December in 2009 Granted publication on the 23rd the patent No. be ZL200920003406.X, a kind of reflector optically focused that utilizes is promptly disclosed to improve the LED reflectoscope of brightness of illumination.
By reflector is set, improve the optically focused of LED shot-light with the effect that utilizes this reflector, though can improve the brightness of LED shot-light to a certain extent, its focus utilization to surplus astigmatic line slightly dislikes not enough, need further to improve the structure of LED shot-light, to improve the utilization rate of its light.
Summary of the invention
The utility model is to solve the not high technical problem of utilization rate of the existing existing light of LED shot-light, provides that a kind of utilization rate for light is higher, the LED shot-light of the brightness of illumination that can strengthen projection light.
For solving the problems of the technologies described above, the utility model by following technical solution: a kind of LED shot-light, include a radiator, a reflector, a led light source, a light guiding lens and one drive circuit, wherein, reflector is arranged on the described radiator; Led light source is arranged at the place, bottom of described reflector; Light guiding lens includes a waist and extends upward formation from the last plane of described waist top, centre is formed with a containing cavity to being recessed on from the bottom surface of described light guiding lens, described led light source is close to the bottom surface of described light guiding lens, and set led chip installs among described containing cavity (203) on it, the light refraction that described waist will be injected from the chamber of described containing cavity wall is to the reflecting surface place of described reflector, and the light refraction that described top then will be injected from the end face of described containing cavity also projects; Drive circuit is used to drive described led light source.
In the above-mentioned LED shot-light, described led chip, containing cavity and reflector are on the same axial line.
In the above-mentioned LED shot-light, described waist is billiard table shape, round table-like or frustum of a pyramid shape, is the billiard table shape of spherical crown shape cancave cambered surface and described top is spherical crown shape, billiard table shape or upper bottom surface.
In the above-mentioned LED shot-light, described containing cavity is protruding spherical crown shape convex globoidal to described containing cavity, recessed spherical crown shape cancave cambered surface, plane to described top, is formed with the convex globoidal of spherical crown shape projection or is formed with plane cylindric or round table-like of check for its end face.
In the above-mentioned LED shot-light, described light guiding lens is hemispherical.
In the above-mentioned LED shot-light, described light guiding lens is the billiard table shape.
In the above-mentioned LED shot-light, the waist of described light guiding lens is the billiard table shape, and its top is for extending upward the spherical crown shape of formation from the last plane of this waist, and the positive camber at described top protrudes from the sphere at the positive camber place of described waist.
In the above-mentioned LED shot-light, described radiator includes a bottom, stretching out around the lateral surface of described bottom is formed with a plurality of radiating fins, is formed with an installation position that is used to install described reflector that is complementary with the outer surface of described reflector between each radiating fin.
In the above-mentioned LED shot-light, described led light source is fixed on the described radiator, is made of a light source panel and at least one led chip that is arranged on the described light source panel.
In the above-mentioned LED shot-light, be provided with a thermal conductive silicon glue-line between described led light source and the radiator.
Compared with prior art, useful technique effect of the present utility model is: this LED shot-light is fixed with a light guiding lens on the led light source that is arranged at reflector bottom centre place, this light guiding lens includes a waist and extends upward formation from the last plane of described waist top, and centre is formed with a containing cavity to being recessed on from the bottom surface of this light guiding lens, the led chip of led light source then installs in this containing cavity, so, the light of the center that led light source produced can be injected the top from the end face of this containing cavity, after the refraction of this top to external exposure, the surplus astigmatic line of periphery then can be collected by the chamber wall of this containing cavity, after the refraction of this waist, be passed to the reflecting surface of reflector, again through the reflection of this reflector and be projected to predetermined zone, the light that projects through the top is replenished with overlapping, like this, improved utilization rate effectively, it is concentrated to the center surplus astigmatic line, and can control the angle of projecting beam littler, thereby improve the brightness of illumination of LED shot-light.
Description of drawings
Fig. 1 is the sectional structure schematic diagram of the utility model LED shot-light.
Fig. 2 is the structural representation of the light guiding lens of the utility model LED shot-light.
Fig. 3 is the decomposition texture schematic diagram of the utility model LED shot-light.
Fig. 4 is the decomposition texture schematic diagram of another angle of the utility model LED shot-light.
Fig. 5 to Figure 11 is the structural representation of other embodiment of light guiding lens of the present utility model.
Figure 12 is the structural representation of another embodiment of radiator of the present utility model.
The specific embodiment
For making those of ordinary skill in the art be expressly understood the purpose of this utility model, technical scheme and advantage more, the utility model is further elaborated below in conjunction with drawings and Examples.
Referring to figs. 1 to shown in Figure 4, LED shot-light disclosed in the utility model includes the reflector 30 of a led light source 10, a light guiding lens 20, a parabolic surface, the drive circuit (figure does not illustrate) that a radiator 40 and is used for driving LED light source 10, wherein, reflector 30 is arranged on the radiator 40, led light source 10 is positioned at the cup center, the end and being installed on this radiator 40 of this reflector 30, light guiding lens 20 be arranged at this led light source 10 directly over.This drive circuit can be arranged at the outer surface of radiator 40, also can be arranged at the inside of radiator 40, also can be made into the split type circuit of pegging graft with the LED shot-light.Because drive circuit is not main points of the present utility model, can select the disclosed drive circuit of prior art for use, so the utility model does not repeat them here.
Led light source 10 is made of the led chip 101 that a light source panel 100 and is arranged on this light source panel 100, be formed with through hole 102 on the light source panel 100, can use screw to pass this through hole 102 and be screwed together in radiator 40, thereby led light source 10 is fixed on the radiator 40.
Consult shown in Figure 2, light guiding lens 20 is that its bottom surface 200 is the convex lens on plane, raise up from the last plane of this waist 201 top 202 of the spherical crown shape that forms of the waist 201 and that includes a billiard table shape, the positive camber at this top 202 protrudes from the sphere at the positive camber place of waist 201, centre from the bottom surface 200 of this light guiding lens 20 is formed with a columned containing cavity 203 to being recessed on, the end face 204 of this containing cavity 203 is recessed spherical crown shape cancave cambered surface to this top 202.
The radian of the radian of the radian of the end face 204 of adjustment containing cavity 203, the positive camber at top 202 and the parabolic surface of reflector 30 can be regulated angle and zone that light shines.
Form a lower cup mouth 301 that just installs led light source 10 and light guiding lens 20 at the bottom of 30 glasss of the reflectors, led light source 10 and light guiding lens 20 are fixed on the radiator 40 by this lower cup mouth 301.
The place, outer of the bottom surface 200 of this light guiding lens 20 is symmetrically formed and is useful on the button pin 205 that light guiding lens 20 is installed, the bottom 400 of radiator 40 is formed with the button hole 402 that is matched with button pin 205, button pin 205 correspondences snap among the button hole 402, and realize the fixing of light guiding lens 20 and radiator 40.
Be formed with the screw hole 403 corresponding to the through hole 102 of light source panel 100 on the bottom 400 of radiator 40, the use screw passes through hole 102 and is screwed in screw hole 403, and this led light source 10 is fixedly arranged on the radiator 40.Preferably, a thermal conductive silicon glue-line is set between light source panel 100 and radiator 40.
In addition, the recessed screw clearance position 206 that is formed with corresponding to the through hole 102 of light source panel 100 in 200 places, bottom surface of this light guiding lens 20 is used to install the screw terminal of the screw that is used for fixing led light source 10, so that being close to of light guiding lens 20 and led light source 10.Recessedly from the bottom of this light guiding lens 20 be formed with lead clearance position 207, to be used to accommodate the connection lead of led light source 10.
Light guiding lens 20 adopts the high transparent plastic of leaded light efficient to make, and 40 in reflector 30 and radiator can adopt the aluminium alloy of good heat conductivity, light weight to make.
Really, also can select for use the light guiding lens of other structure to realize the effect that the utility model will reach, adopt the described light guiding lens of the foregoing description, list the light guiding lens that some can replace other shape of above-mentioned light guiding lens below and be not limited to.
As shown in Figure 5, light guiding lens 20 includes the waist 201 of a billiard table shape, extend upward from the last plane of this waist 201 and form the billiard table shape top 202 that a upper bottom surface is a spherical crown shape cancave cambered surface, the outer shroud curved surface at this top 202 and the outer shroud curved surface of this waist 201 are in same sphere, that is, this light guiding lens 20 is that a upper bottom surface is the billiard table shape lens of spherical crown shape cancave cambered surface.Centre from the bottom surface 200 of this light guiding lens 20 is formed with a columned containing cavity 203 to being recessed on, the end face 204 of this containing cavity 203 is protruding spherical crown shape convex globoidal to containing cavity 203.
As shown in Figure 6, light guiding lens 20 includes the waist 201 of a billiard table shape, extend upward from the last plane of this waist 201 and be formed with the top 202 of a billiard table shape, the outer shroud curved surface at this top 202 and the outer shroud curved surface of this waist 201 are in same sphere, that is, this light guiding lens 20 is the convex lens of a billiard table shape.Centre from the bottom surface 200 of this light guiding lens 20 is formed with a columned containing cavity 203 to being recessed on, the end face 204 of this containing cavity 203 is recessed spherical crown shape cancave cambered surface to top 202.
As shown in Figure 7, light guiding lens 20 includes the waist 201 of a billiard table shape, extends upward from the upper bottom surface of this waist 201 and forms the top 202 of a spherical crown shape, and the positive camber at this top 202 protrudes from the sphere at the positive camber place of waist 201.Centre from the bottom surface 200 of this light guiding lens 20 is formed with a columned containing cavity 203 to being recessed on, the end face 204 of this containing cavity 203 is a plane.
As shown in Figure 8, light guiding lens 20 includes the waist 201 of a billiard table shape, and the last plane of this waist 201 extends upward the top 202 that is formed with a spherical crown shape certainly, and the positive camber at this top 202 protrudes from the sphere at the positive camber place of waist 201.Centre from the bottom surface 200 of this light guiding lens 20 is formed with a columned containing cavity 203 to being recessed on, the end face 204 of this containing cavity 203 for protruding to this containing cavity 203 and be formed with the convex globoidal of spherical crown shape projection on it.
As shown in Figure 9, light guiding lens 20 includes a round table-like waist 201, and the last plane of this waist 201 extends upward the top 202 that is formed with a spherical crown shape certainly.Centre from the bottom surface 200 of this light guiding lens 20 is formed with a round table-like containing cavity 203 to being recessed on, the end face 204 of this containing cavity 203 is a plane.
As shown in figure 10, light guiding lens 20 includes the waist 201 of a billiard table shape, extends upward from the last plane of this waist 201 and is formed with the top 202 of a spherical crown shape, and the positive camber at this top 202 protrudes from the sphere at the positive camber place of waist 201.Centre from the bottom surface 200 of this light guiding lens 20 is formed with a columned containing cavity 203 to being recessed on, the end face 204 of this containing cavity 203 is for being formed with the plane of check on it.
As shown in figure 11, light guiding lens 20 includes the waist 201 of a frustum of a pyramid shape, extends upward from the last plane of this waist 201 and is formed with the top 202 of a spherical crown shape.Centre from the bottom surface 200 of this light guiding lens 20 is formed with a columned containing cavity 203 to being recessed on, the end face 204 of this containing cavity 203 is a plane.
As shown in figure 12, structural representation for another embodiment of radiator of the present utility model, radiator 40 includes a rounded bottom 400, be formed with a plurality of radiating fins 401 in this bottom 400, the middle part extruding of a plurality of radiating fins 401 is superimposed, left part, right part are fan-shaped respectively and distribute, and to increase area of dissipation, improve radiating effect.
The above only is a preferred embodiment of the present utility model, but not the utility model is done any form restriction, replaces the reflector of this parabolic surface as the reflector that can use trumpet-shaped reflector or existing other structures.All equivalent variations or modifications of being done in the claim scope all should fall within the protection domain of the present utility model.
Claims (10)
1. a LED shot-light is characterized in that, described LED shot-light includes:
One radiator (40);
One reflector (30) is arranged on the described radiator (40);
One led light source (10), the bottom that is arranged at described reflector (30) is located;
One light guiding lens (20), it includes a waist (201) and extends upward formation from the last plane of described waist (201) top (202), centre is formed with a containing cavity (203) to being recessed on from the bottom surface (200) of described light guiding lens (20), described led light source (10) is close to the bottom surface (200) of described light guiding lens (20), and set led chip (101) installs among described containing cavity (203) on it, the light refraction that described waist (201) will be injected from the chamber wall of described containing cavity (203) is to the reflecting surface place of described reflector (30), and the light refraction that described top (202) then will be injected from the end face (204) of described containing cavity (203) also projects;
One drive circuit is used to drive described led light source (10).
2. LED shot-light as claimed in claim 1 is characterized in that, described led chip (101), containing cavity (203) and reflector (30) are on the same axial line.
3. LED shot-light as claimed in claim 1 is characterized in that, described waist (201) is billiard table shape, round table-like or frustum of a pyramid shape, and described top (202) are that spherical crown shape, billiard table shape or upper bottom surface are the billiard table shape of spherical crown shape cancave cambered surface.
4. LED shot-light as claimed in claim 1, it is characterized in that described containing cavity (203) is protruding spherical crown shape convex globoidal to described containing cavity, recessed spherical crown shape cancave cambered surface, plane to described top, is formed with the convex globoidal of spherical crown shape projection or is formed with plane cylindric or round table-like of check for its end face (204).
5. as claim 1 or 4 described LED shot-lights, it is characterized in that described light guiding lens (20) is hemispherical.
6. as claim 1 or 4 described LED shot-lights, it is characterized in that described light guiding lens (20) is the billiard table shape.
7. as claim 1 or 4 described LED shot-lights, it is characterized in that, the waist (201) of described light guiding lens (20) is the billiard table shape, its top (202) is for extending upward the spherical crown shape of formation from the last plane of this waist (201), the positive camber of described top (202) protrudes from the sphere at the positive camber place of described waist (201).
8. LED shot-light as claimed in claim 1, it is characterized in that, described radiator (40) includes a bottom (400), stretching out around the lateral surface of described bottom (400) is formed with a plurality of radiating fins (401), is formed with an installation position that is used to install described reflector (30) that is complementary with the outer surface of described reflector (30) between each radiating fin (401).
9. LED shot-light as claimed in claim 1 is characterized in that, described led light source (10) is fixed on the described radiator (40), is made of a light source panel (100) and at least one led chip (101) that is arranged on the described light source panel (100).
10. LED shot-light as claimed in claim 9 is characterized in that, is provided with a thermal conductive silicon glue-line between described led light source (10) and the radiator (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205710076U CN201836765U (en) | 2010-10-21 | 2010-10-21 | LED spotlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205710076U CN201836765U (en) | 2010-10-21 | 2010-10-21 | LED spotlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201836765U true CN201836765U (en) | 2011-05-18 |
Family
ID=44006871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205710076U Ceased CN201836765U (en) | 2010-10-21 | 2010-10-21 | LED spotlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201836765U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013017082A1 (en) * | 2011-08-01 | 2013-02-07 | 深圳市众明半导体照明有限公司 | Led lamp and light effect improving method thereof |
| EP2604916A1 (en) * | 2011-12-12 | 2013-06-19 | Samsung Display Co., Ltd. | Lens |
| CN103307552A (en) * | 2013-06-20 | 2013-09-18 | 邱吉鼎 | Dimming device of LED luminaire and LED luminaire |
| CN103688207A (en) * | 2011-07-08 | 2014-03-26 | 宗拓贝尔照明器材有限公司 | Light-influencing element for influencing the light emission of essentially point light sources and luminaire having a light-influencing element |
| WO2014174022A1 (en) * | 2013-04-26 | 2014-10-30 | Zumtobel Lighting Gmbh | Arrangement for light output comprising an led light source and a reflector |
| CN104132306A (en) * | 2014-07-30 | 2014-11-05 | 深圳市众明半导体照明有限公司 | Optical lens and lamp with optical lens |
| CN104373896A (en) * | 2014-11-05 | 2015-02-25 | 深圳市众明半导体照明有限公司 | Optical lens and lamp comprising same |
| CN105351818A (en) * | 2015-12-07 | 2016-02-24 | 赵顺 | PAR30 or PAR38 double-optic LED glass spotlight |
| CN106813148A (en) * | 2015-11-27 | 2017-06-09 | 上海润尚光电科技有限公司 | A kind of shot-light with effectively luminous energy high |
-
2010
- 2010-10-21 CN CN2010205710076U patent/CN201836765U/en not_active Ceased
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103688207A (en) * | 2011-07-08 | 2014-03-26 | 宗拓贝尔照明器材有限公司 | Light-influencing element for influencing the light emission of essentially point light sources and luminaire having a light-influencing element |
| US9618182B2 (en) | 2011-07-08 | 2017-04-11 | Zumtobel Lighting Gmbh | Light-influencing element for influencing the light emission of essentially point light sources |
| WO2013017082A1 (en) * | 2011-08-01 | 2013-02-07 | 深圳市众明半导体照明有限公司 | Led lamp and light effect improving method thereof |
| US9116386B2 (en) | 2011-12-12 | 2015-08-25 | Samsung Display Co., Ltd. | Lens, backlight assembly and display apparatus having the same |
| EP2604916A1 (en) * | 2011-12-12 | 2013-06-19 | Samsung Display Co., Ltd. | Lens |
| KR20130066142A (en) * | 2011-12-12 | 2013-06-20 | 삼성디스플레이 주식회사 | Lens, backlight module and display apparatus having the lens |
| KR101962121B1 (en) | 2011-12-12 | 2019-03-28 | 삼성디스플레이 주식회사 | Lens, backlight module and display apparatus having the lens |
| EP2781828A1 (en) * | 2011-12-12 | 2014-09-24 | Samsung Display Co., Ltd. | Lens, backlight assembly and display apparatus having the same |
| CN107884989A (en) * | 2011-12-12 | 2018-04-06 | 三星显示有限公司 | Lens and the display device with the lens |
| US20160102844A1 (en) * | 2013-04-26 | 2016-04-14 | Zumtobel Lighting Gmbh | Arrangement for light output comprising an led light source and a reflector |
| CN105121952A (en) * | 2013-04-26 | 2015-12-02 | 宗拓贝尔照明器材有限公司 | Arrangement for light output comprising an LED light source and a reflector |
| US9863606B2 (en) | 2013-04-26 | 2018-01-09 | Zumtobel Lihting Gmbh | Arrangement for light output comprising an LED light source and a reflector |
| WO2014174022A1 (en) * | 2013-04-26 | 2014-10-30 | Zumtobel Lighting Gmbh | Arrangement for light output comprising an led light source and a reflector |
| CN105121952B (en) * | 2013-04-26 | 2019-06-14 | 宗拓贝尔照明器材有限公司 | The equipment for light output including LED light source and reflector |
| CN103307552A (en) * | 2013-06-20 | 2013-09-18 | 邱吉鼎 | Dimming device of LED luminaire and LED luminaire |
| CN104132306A (en) * | 2014-07-30 | 2014-11-05 | 深圳市众明半导体照明有限公司 | Optical lens and lamp with optical lens |
| CN104373896A (en) * | 2014-11-05 | 2015-02-25 | 深圳市众明半导体照明有限公司 | Optical lens and lamp comprising same |
| CN106813148A (en) * | 2015-11-27 | 2017-06-09 | 上海润尚光电科技有限公司 | A kind of shot-light with effectively luminous energy high |
| CN105351818A (en) * | 2015-12-07 | 2016-02-24 | 赵顺 | PAR30 or PAR38 double-optic LED glass spotlight |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20140814 Decision number of declaring invalidation: 23570 Granted publication date: 20110518 |