CN201811101U - LED spotlight - Google Patents
LED spotlight Download PDFInfo
- Publication number
- CN201811101U CN201811101U CN201020571024XU CN201020571024U CN201811101U CN 201811101 U CN201811101 U CN 201811101U CN 201020571024X U CN201020571024X U CN 201020571024XU CN 201020571024 U CN201020571024 U CN 201020571024U CN 201811101 U CN201811101 U CN 201811101U
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- light
- led
- light source
- reflector
- radiator
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Abstract
The utility model discloses an LED spotlight, which comprises a radiator, a reflector cup, an LED light source, a light guide lens and a driving circuit, wherein the reflector cup is arranged on the radiator; the LED light source is arranged at the bottom of the reflector cup; an accommodating cavity penetrating the lens is formed in the longitudinal center of the light guide lens; the LED light source is attached to the bottom surface of the light guide lens; an LED chip arranged on the LED light source is accommodated in the accommodating cavity; central light rays generated by the LED light source are emitted through the accommodating cavity, while the generated peripheral scattered light rays are collected by a wall of the accommodating cavity, are reflected and transmitted to a reflecting surface of the reflector cup and are reflected by the reflector cup for emission; and the driving circuit is used for driving the LED light source. The LED spotlight can effectively improve the utilization rate of the scattered light rays so as to centralize the light rays in the center, and can control angles of the projected light beams to be smaller. Therefore, the illuminating brightness is 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, it includes a radiator, a reflector, a led light source, a light guiding lens and one drive circuit, wherein said reflector is arranged on the described radiator; Described led light source is arranged at the place, bottom of described reflector; Vertical centre of described light guiding lens is formed with the containing cavity that always penetrates mirror, described led light source is closely attached on the bottom surface of described light guiding lens, and set led chip installs among described containing cavity on it, the light of the center that described led light source produced projects from described containing cavity, the peripheral surplus astigmatic line that produces is then collected by the chamber wall of described containing cavity, after refraction, be passed to the reflecting surface of described reflector, project by described reflector reflection again; Described 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 light guiding lens upper bottom surface is the billiard table shape of plane or spherical crown shape recessed face, round table-like or frustum of a pyramid shape.
In the above-mentioned LED shot-light, described containing cavity is cylindric or round table-like.
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.
In the above-mentioned LED shot-light, institute tells and is formed with at least one through hole on the light source panel, uses screw to pass described through hole and be screwed together in described radiator.
In the above-mentioned LED shot-light, described reflector is the reflector of parabolic surface.
In the above-mentioned LED shot-light, place, the outer of the bottom surface of described light guiding lens has been symmetrically formed the button pin, is formed with the button hole that is matched with described button pin on the described radiator, and described button pin correspondence snaps in the described button hole.
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, the vertical centre of this light guiding lens is formed with the containing cavity that always penetrates mirror, the led chip of led light source installs among this containing cavity, the light of the center that led light source like this is produced projects from this containing cavity, the peripheral surplus astigmatic line that produces is then collected by the chamber wall of this containing cavity, after refraction, be passed to the reflecting surface that is parabolic surface of reflector, again through the reflection of this reflector and be projected to predetermined zone, the center light that projects through this containing cavity is replenished with overlapping, so, can improve utilization rate effectively to surplus astigmatic line, it is concentrated to the center, 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 respectively 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 2ly, light guiding lens 20 is that its bottom surface 200 is the billiard table shape convex lens on plane, and its vertical centre is formed with the round table-like containing cavity 201 that always penetrates mirror.Led light source 10 is closely attached on the bottom surface 200 of this light guiding lens 20, and led chip 101 is installed among containing cavity 201.The light of the center that led light source 10 is produced projects from this containing cavity 201, the peripheral surplus astigmatic line that produces is then collected by the chamber wall of this containing cavity 201, after refraction, be passed to the reflecting surface that is parabolic surface 300 of reflector 30, again through the reflection of this reflector 30 and be projected to predetermined zone, the center light that projects through containing cavity 201 is replenished with overlapping, so, can improve utilization rate effectively to surplus astigmatic line, it is concentrated to the center, and can control the angle of projecting beam littler, thereby improve the brightness of illumination of LED shot-light.Preferably, this led chip 101, containing cavity 201 and reflector 30 are on the same axial line.
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 202 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 202, button pin 202 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 203 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 204, 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.
Consult Fig. 5, this light guiding lens 20 is the convex lens of a billiard table shape, and its vertical centre is formed with the columned containing cavity 201 that always penetrates mirror; Consult Fig. 6, this light guiding lens 20 is round table-like convex lens, and its vertical centre is formed with the round table-like containing cavity 201 that always penetrates mirror; Consult Fig. 7, this light guiding lens 20 is the convex lens of a frustum of a pyramid shape, and its vertical centre is formed with the columned containing cavity 201 that always penetrates mirror; Consult Fig. 8, this light guiding lens 20 is that a upper bottom surface is the billiard table shape convex lens of spherical crown shape recessed face, and its vertical centre is formed with the round table-like containing cavity 201 that always penetrates mirror; Consult Fig. 9, this light guiding lens 20 is that a upper bottom surface is the round table-like convex lens of spherical crown shape recessed face, and its vertical centre is formed with the columned containing cavity 201 that always penetrates mirror; Consult Figure 10, this light guiding lens 20 is that a cross section is the rotary body of both sides indent, and its vertical centre is formed with the round table-like containing cavity 201 that always penetrates mirror.And in the embodiment shown in fig. 11, then form transmittance plate in the containing cavity 201 of this light guiding lens 20.
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), its vertical centre is formed with the containing cavity (201) that always penetrates mirror, described led light source (10) is closely attached on the bottom surface (200) of described light guiding lens (20), and set led chip (101) installs among described containing cavity (201) on it, the light of the center that described led light source (10) is produced projects from described containing cavity (201), the peripheral surplus astigmatic line that produces is then collected by the chamber wall of described containing cavity (201), after refraction, be passed to the reflecting surface (300) of described reflector (30), project by described reflector (30) reflection again;
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 (201) and reflector (30) are on the same axial line.
3. LED shot-light as claimed in claim 1 is characterized in that, described light guiding lens (20) upper bottom surface is the billiard table shape of plane or spherical crown shape recessed face, round table-like or frustum of a pyramid shape.
4. as claim 1 or 2 or 3 described LED shot-lights, it is characterized in that described containing cavity (201) is cylindric or round table-like.
5. 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).
6. 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).
7. LED shot-light as claimed in claim 6 is characterized in that, is provided with a thermal conductive silicon glue-line between described led light source (10) and the radiator (40).
8. LED shot-light as claimed in claim 6 is characterized in that, is formed with at least one through hole (102) on the described light source panel (100), uses screw to pass described through hole (102) and be screwed together in described radiator (40).
9. LED shot-light as claimed in claim 1 is characterized in that, described reflector (30) is the reflector of parabolic surface.
10. LED shot-light as claimed in claim 1, it is characterized in that, the place, outer of the bottom surface (200) of described light guiding lens (20) has been symmetrically formed button pin (202), be formed with the button hole (402) that is matched with described button pin (202) on the described radiator (40), described button pin (202) correspondence snaps in the described button hole (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020571024XU CN201811101U (en) | 2010-10-21 | 2010-10-21 | LED spotlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020571024XU CN201811101U (en) | 2010-10-21 | 2010-10-21 | LED spotlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201811101U true CN201811101U (en) | 2011-04-27 |
Family
ID=43894041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020571024XU Expired - Fee Related CN201811101U (en) | 2010-10-21 | 2010-10-21 | LED spotlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201811101U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278676A (en) * | 2011-08-29 | 2011-12-14 | 江门市三泰照明制品有限公司 | Light emitting diode (LED) reflector lamp |
| WO2015055693A1 (en) * | 2013-10-18 | 2015-04-23 | Zumtobel Lighting Gmbh | Optical system for an led light source and luminaire comprising such an optical system |
| US9435515B2 (en) | 2014-01-31 | 2016-09-06 | Energizer Brands, Llc | Near-field lens with convex hyperbolic surface |
| CN109724006A (en) * | 2017-10-31 | 2019-05-07 | 上海永朗照明科技有限公司 | A kind of LED bay light |
| CN112682728A (en) * | 2020-12-31 | 2021-04-20 | 欧普照明股份有限公司 | Optical module and lamp |
| CN112762410A (en) * | 2020-12-29 | 2021-05-07 | 欧普照明股份有限公司 | Light source module and light guide mirror thereof |
-
2010
- 2010-10-21 CN CN201020571024XU patent/CN201811101U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278676A (en) * | 2011-08-29 | 2011-12-14 | 江门市三泰照明制品有限公司 | Light emitting diode (LED) reflector lamp |
| WO2015055693A1 (en) * | 2013-10-18 | 2015-04-23 | Zumtobel Lighting Gmbh | Optical system for an led light source and luminaire comprising such an optical system |
| AT15121U1 (en) * | 2013-10-18 | 2017-01-15 | Zumtobel Lighting Gmbh | Optical system for an LED light source and luminaire with such an optical system |
| US9435515B2 (en) | 2014-01-31 | 2016-09-06 | Energizer Brands, Llc | Near-field lens with convex hyperbolic surface |
| CN109724006A (en) * | 2017-10-31 | 2019-05-07 | 上海永朗照明科技有限公司 | A kind of LED bay light |
| CN112762410A (en) * | 2020-12-29 | 2021-05-07 | 欧普照明股份有限公司 | Light source module and light guide mirror thereof |
| CN112682728A (en) * | 2020-12-31 | 2021-04-20 | 欧普照明股份有限公司 | Optical module and lamp |
| CN112682728B (en) * | 2020-12-31 | 2022-08-23 | 欧普照明股份有限公司 | Optical module and lamp |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20161021 |