CN202203845U - Light emitting diode (LED) color-mixed lamp - Google Patents
Light emitting diode (LED) color-mixed lamp Download PDFInfo
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- CN202203845U CN202203845U CN2011202800889U CN201120280088U CN202203845U CN 202203845 U CN202203845 U CN 202203845U CN 2011202800889 U CN2011202800889 U CN 2011202800889U CN 201120280088 U CN201120280088 U CN 201120280088U CN 202203845 U CN202203845 U CN 202203845U
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- lenticule
- lamp
- varifocal mirror
- installing plate
- collector lens
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Abstract
The utility model discloses a light emitting diode (LED) color-mixed lamp, which comprises a lamp holder, a lamp bead plate radiating seat and a rear cover, wherein an accommodating space is formed on the upper end part of the lamp bead plate radiating seat; a substrate is arranged in the accommodating space; a focusing lens installation plate is arranged in front of the substrate; a zoom lens installation plate is arranged in front of the focusing lens installation plate; more than one focusing lens is arranged on the focusing lens installation plate; zoom lens of which the number is the same as that of the focusing lenses are arranged on the zoom lens installation plate; the zoom lenses correspond to the focusing lenses at front and rear positions; a first micro lens group which comprises more than two first micro lenses is arranged on the light emitting surface of each focusing lens; each zoom lens comprises a zoom lens body and a second micro lens group which is arranged on the zoom lens body; the second micro lens group consists of second micro lenses; and the number of the second micro lenses is equal to that of the first micro lenses on the focusing lenses, and the positions of the second micro lenses correspond to the positions of the first micro lenses. The color uniformity of light spots of the LED color-mixed lamp is high.
Description
Technical field
The utility model relates to the LED lamp, particularly LED colour mixture lamp.
Background technology
The LED lamp owing to have rich color, during advantages such as the life-span is long, luminous efficiency is high, energy-conserving and environment-protective are widely used in the daily life and stage is deduced.Because led chip mainly is red, blue and green, therefore, in the middle of practical application, in order to obtain the light of a certain specific color, need carry out mixed light usually.The light mixing method that adopts now generally is the physics mixed light, that is: as shown in Figure 1, and the led chip of different colours is installed on the substrate in light fixture, and led chip has certain emission angle when luminous; Therefore, thereby the light that led chip sends alone can be forwardly mixes the purpose that reaches mixed light with the light of adjacent led chip, still; As shown in Figure 1, because the emission angle of led chip is limited, therefore; Have only a kind of light of color in LED light fixture edge, can't realize the purpose of mixed light, in addition; In the centre position, some place is the colour mixture district of two kinds of colors, and some then is the colour mixture district of three kinds of colors; Like this, the hot spot that the LED light fixture is got then can form the hot spot that significantly has different color, has caused the inhomogeneities of color.In addition, as shown in Figure 2, more little like the emission angle of led chip, then the distribution of different color blocks is obvious more, and color is also just inhomogeneous more.
In addition, the zoom in the existing LED light fixture is to carry out to actual led light source, that is, the light that led light source sends directly enters into varifocal mirror, reaches the purpose of zoom through the distance between adjusting varifocal mirror and the led light source.The shortcoming of this zoom mode is: because led light source is a monochromatic source all, behind zoom, still be monochromatic light, its mixed light finally is the physics mixed light, therefore, has caused the color of hot spot inhomogeneous.
Summary of the invention
The purpose of the utility model provides a kind of LED colour mixture lamp, and technical problem to be solved is that the color uniformity of the hot spot got of LED colour mixture lamp is poor.
For achieving the above object, a kind of LED colour mixture lamp comprises lamp bracket, is articulated with lamp pearl plate radiating seat on the lamp bracket; The lower end of lamp pearl plate radiating seat is equipped with bonnet; The upper end of lamp pearl plate radiating seat has accommodation space, and substrate is installed in the accommodation space, and LED is installed on the substrate; Be provided with the collector lens installing plate in the place ahead of substrate, collector lens installing plate the place ahead is provided with the varifocal mirror installing plate; It is characterized in that: more than one collector lens is installed on the collector lens installing plate; The varifocal mirror that quantity equates with collector lens is installed on the varifocal mirror installing plate, and varifocal mirror is corresponding on front and back position with collector lens; On the collector lens exiting surface by the first lenticule group of forming by first lenticule more than two; Described varifocal mirror comprises the varifocal mirror body and is located at the second lenticule group on the varifocal mirror body, and the second lenticule group is made up of second lenticule, and the first lenticule quantity on second lenticule and the collector lens is equal and the position is corresponding.
When LED colour mixture lamp is worked, the light-ray condensing colour mixture that collector lens is dispersed LED, and through the first lenticule group; With light focusing at the first lenticule rear; Form the small spot point equate with the first lenticule quantity, these hot spot points on the plane vertical with optical axis, small spot point of each second lenticule correspondence; For second lenticule, the small spot point is exactly a spot light; Through adjusting the position of second lenticule at optical axis direction, change the outgoing beam angle, realize zoom.The described second lenticular quantity and position must be corresponding one by one with the first lenticular quantity and position, with realization the light that each first lenticule penetrates focused on again, thereby are formed on the good hot spot of needed color uniformity in the reality.
As improvement, each the first lenticule curvature in the first lenticule group equates that each the second lenticule curvature in the second lenticule group equates that first lenticule and second lenticule are positive lens.Each first lenticular curvature equates to guarantee that focus point through each first lenticular light is in same plane; Be second lenticule again zoom the basis is provided preferably; Again under the second lenticular cooperation that curvature equates; Make the spot size that penetrates from second lenticule equate, thereby improve the irradiation optical quality of LED optical system.In the first lenticule group each is first little all in the same plane, and each second lenticule in the second lenticule group is all in the same plane.Each lenticule place can guarantee the formed virtual light source of the first lenticule group at grade in same plane, for zoom and second lens carry out again the basis that zoom provides; Each second lenticule quality that can improve the bright dipping hot spot all in the same plane.
As improvement, the sidewall of collector lens is provided with first reference column, and the collector lens installing plate is provided with first locating slot that holds first reference column; The periphery of varifocal mirror body is outward extended with flange, and the upper surface of flange is provided with positioning convex, and the varifocal mirror installing plate is provided with second locating slot that holds positioning convex, and the edge of flange is provided with detent.
When varifocal mirror is installed, the first reference column holding in first locating slot, can be prevented the varifocal mirror rotation, be corresponding on front and back position to guarantee first lenticule and second lenticule.When varifocal mirror is installed; The positioning convex holding in second locating slot, is prevented the varifocal mirror rotation, and the detent and first reference column are aligned on fore-and-aft direction; Guarantee that first lenticule and second lenticule are corresponding one by one at fore-and-aft direction, described flange is used to limit varifocal mirror and seesaws.
As improvement; The place ahead that is positioned at varifocal mirror on the varifocal mirror installing plate is provided with the flase floor that equates with varifocal mirror quantity; Flase floor is provided with the grate opening that equates with the first lenticule quantity; The edge of flase floor is provided with three locating slot corresponding with the positioning convex position, and described the 3rd locating slot holding is on positioning convex.Described flase floor is used to block the veiling glare that is produced when each second lenticule penetrates, to improve the quality of hot spot.Described the 3rd locating slot can prevent the flase floor rotation, guarantees that the grate opening and second lenticule align at fore-and-aft direction, and notice also is convenient to install.
As improvement, the place ahead that in accommodation space, is positioned at flase floor is provided with the lamp cylindrical shell, and the lamp cylindrical shell is provided with the corresponding lamp tube hole of front and back position that equates with the grid hole number.Described lamp cylindrical shell is used to block veiling glare, to improve the quality of hot spot.
As improvement; Second reference column that extends before and after the sidewall of accommodation space is provided with; Be provided with four locating slot of holding on second reference column on the edge of collector lens installing plate; Be provided with five locating slot of holding on second reference column on the edge of varifocal mirror installing plate, be provided with six locating slot of holding on second reference column on the edge of lamp cylindrical shell.Described the 4th, the 5th and the 6th locating slot and second reference column are convenient to installing and locating on the one hand; Can prevent that on the other hand collector lens installing plate, varifocal mirror installing plate and lamp cylindrical shell from rotating; Thereby guarantee that each collector lens and corresponding varifocal mirror align at fore-and-aft direction, can guarantee that also each lamp tube hole and each corresponding varifocal mirror align at fore-and-aft direction.
As improvement, have the above groove of a circle on the substrate, be provided with connecting portion in the groove.When being installed to substrate on the lamp pearl plate radiating seat, inhomogeneous like the position that trip bolt acted on, then can cause substrate warp, on the contrary, then can raise the cost.After groove is set, can prevent substrate because of the effect of trip bolt produces warpage, connecting portion is set, and to make substrate be an overall structure.
As improvement, the bottom surface of lamp pearl plate radiating seat and side are provided with spreads backing.Fin is set can improves radiating effect, thus the service life of improving LED colour mixture lamp.
As improvement, between bonnet and the lamp pearl plate mount pad circuit board is installed, fan is installed on the circuit board, on bonnet, be provided with exhaust outlet with the position of fan corresponding position.With fan and fin LED colour mixture lamp is carried out dual heat radiation, to improve radiating effect.
As improvement, on the lamp pearl plate mount pad motor is installed, the output shaft of motor passes substrate, the collector lens installing plate is connected with the varifocal mirror installing plate.Described motor is used to change the front and back position of varifocal mirror installing plate, thereby reaches the purpose of zoom.
Description of drawings
Fig. 1 is the stereogram of LED colour mixture lamp.
Fig. 2 is the exploded view of LED colour mixture lamp.
Fig. 3 is the cutaway view of LED colour mixture.
Fig. 4 is the structure chart that the LED colour mixture light department of the Chinese Academy of Sciences divides.
Fig. 5 is that LED colour mixture light is learned cross-sectional view taken.
Fig. 6 is the positive stereogram of lamp pearl plate radiating seat.
Fig. 7 is the stereogram at the lamp pearl plate radiating seat back side.
Fig. 8 is the stereogram of substrate.
Fig. 9 is the stereogram of collector lens installing plate.
Figure 10 is the stereogram of varifocal mirror installing plate.
Figure 11 is the stereogram of lamp cylindrical shell.
Figure 12 is the stereogram of bonnet.
Figure 13 is the sketch map of optical system.
Figure 14 is first lenticule and the formed index path of second lenticule when the LED light emitting source is luminous.
Figure 15 is the stereogram of collector lens.
Figure 16 is the cutaway view of collector lens.
Figure 17 is the stereogram of varifocal mirror.
Figure 18 is the stereogram of flase floor.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is further elaborated.
To shown in Figure 3, LED colour mixture lamp comprises lamp bracket 1 like Fig. 1, and lamp bracket is made up of base 101 and support 102, and support 102 is arranged on the base 101, and described support 102 is the U-shaped structure.Be articulated with lamp pearl plate radiating seat 3 on the support 102, the lower end of lamp pearl plate radiating seat 3 is equipped with bonnet 4.
Like Fig. 6 and shown in Figure 7, the upper end of lamp pearl plate radiating seat 3 has accommodation space 301, and the bottom surface of lamp pearl plate radiating seat 3 and side are provided with spreads backing 302, on the bottom surface of lamp pearl plate radiating seat 302, is provided with the installation position 303 that supplies motor to install.
As shown in Figures 2 and 3, substrate 5 is installed in the accommodation space 301, LED is installed on the substrate; The place ahead at substrate 5 is equipped with collector lens installing plate 6 through joint pin; The place ahead of collector lens installing plate 6 is provided with varifocal mirror installing plate 7; The place ahead of varifocal mirror installing plate 7 is provided with lamp cylindrical shell 8; The place ahead that on lamp pearl plate radiating seat 3, is positioned at lamp cylindrical shell 8 is equipped with eyeglass 9, and described accommodation space and eyeglass 9 surround a sealed hollow, and collector lens installing plate 6, varifocal mirror installing plate 7, lamp cylindrical shell 8 all are positioned at sealed hollow.Second reference column 304 that extends before and after the sidewall of accommodation space 301 is provided with.
To shown in Figure 5, more than one collector lens 10 is installed on the collector lens installing plate 6 like Fig. 2; The varifocal mirror 11 that quantity equates with collector lens is installed on the varifocal mirror installing plate 7, and varifocal mirror 11 is corresponding on front and back position with collector lens 10, and the place ahead that in varifocal mirror installing plate 7, is positioned at varifocal mirror 11 is provided with flase floor 12.
Like Figure 15 and shown in Figure 16, the first lenticule group that first lenticule 1002 by more than two on collector lens 1001 exiting surfaces 1004 is formed is provided with the containing cavity 1005 that caves inward on collector lens; Containing cavity 1005 is used to hold LED; LED is made up of more than one chip, and wherein, the chip among the LED can be same color; Also can be different colours, on the sidewall 1006 of colour mixture hot spot, be provided with first reference column 1007.
Shown in figure 17; Described varifocal mirror 11 comprises varifocal mirror body 1101 and is located at corresponding second lenticule 1102 in position that the first lenticule quantity with on the collector lens on the varifocal mirror body exiting surface equates; Varifocal mirror body 1101 peripheries are outward extended with flange 1103; The upper surface of flange 1103 is provided with positioning convex 1104, and the edge of flange is provided with detent 1105.
Shown in figure 18; Flase floor 12 is provided with the grate opening 1201 that equates with the first lenticule quantity, and the edge of flase floor is provided with three locating slot 1202 corresponding with positioning convex 1104 positions, and 1202 holdings of described the 3rd locating slot are on positioning convex 1104; Described flase floor has detent 1203 on the edge; When flase floor 12 is installed, make detent 1203 and detent 1105 cover offs, to guarantee that grate opening 1201 is corresponding one by one with the second lenticular position.
As shown in Figure 8, have the above groove 501 of a circle on the substrate 5, be provided with connecting portion 502 in the groove 501, the outer rim of substrate 5 is provided with draw-in groove 503.When installation base plate 5, draw-in groove 503 is aimed at second reference column 304, substrate 5 is placed into the bottom of accommodation space 301 along second reference column 304; Then, be screwed, when fixing base 5; Owing to be provided with groove 501, therefore, can prevent that substrate is stressed has a warpage; To guarantee the flatness after substrate is installed, in addition, connecting portion 502 is set substrate is connected as a single entity.
As shown in Figure 9, have hole 601 on the collector lens installing plate 6, be used to install and fix collector lens 10; On the outer wall in hole 601, have first locating slot 602; After collector lens 10 installed, 1007 holdings of first reference column prevented collector lens 10 rotations in first locating slot 602; Have the 4th locating slot 603 on the edge of described collector lens installing plate; When the collector lens installing plate is installed; The 4th locating slot 603 and second reference column 304 are aligned; And the collector lens installing plate placed in the accommodation space 301, then, collector lens installing plate and substrate are linked together with joint pin.
Shown in figure 10; Have hole 701 on the varifocal mirror installing plate 7, be used to install and fix varifocal mirror 11 and flase floor 12, on the outer wall in hole 701, have second locating slot 702; After varifocal mirror installs; Positioning convex 1004 holdings are in second locating slot 702, and 1202 holdings of the 3rd locating slot prevent varifocal mirror 11 rotations on positioning convex 1104; Have the 5th locating slot 703 on the edge of described varifocal mirror installing plate, when the varifocal mirror installing plate is installed, the 5th locating slot 703 and second reference column 304 is aligned, and the varifocal mirror installing plate is placed in the accommodation space 301.
On the installation position 303 on the lamp pearl plate mount pad motor 13 is installed, the output shaft 131 of motor 13 passes substrate, the collector lens installing plate is connected with the varifocal mirror installing plate.Task driven varifocal mirror installing plate 7 through motor moves, thereby reaches the purpose of zoom.
Shown in figure 11, lamp cylindrical shell 8 is provided with the corresponding lamp tube hole 801 of front and back position that equates with the grid hole number, is to have the 6th locating slot 802 on the outward flange at lamp cylindrical shell 8.When lamp cylindrical shell 8 is installed, the 6th locating slot 802 and second reference column 304 is aligned, and the lamp cylindrical shell is placed in the accommodation space 301.
As shown in Figure 2, between bonnet 4 and the lamp pearl plate mount pad 3 circuit board 14 is installed, fan 15 is installed on the circuit board 14; Shown in figure 12; Bonnet 4 has engaging lug 401, and bonnet 4 is fixed on the lamp pearl plate mount pad 3 through engaging lug 401, is provided with exhaust outlet 402 in the bottom of bonnet.Can improve radiating effect like this, to prolong the service life of whole LED colour mixture lamp.
When LED colour mixture lamp is worked, extremely shown in Figure 14 like Figure 13, the light-ray condensing colour mixture that collector lens is dispersed LED; And, light focusing at the first lenticule rear, is formed the small spot point that equates with the first lenticule quantity through the first lenticule group; These hot spot points are on the plane A vertical with optical axis; The corresponding small spot point of each second lenticule, for second lenticule, the small spot point is exactly a spot light; Through adjusting the position of second lenticule at optical axis direction, change the outgoing beam angle, realize zoom.The quantity of described second lenticule 1102 and position must be corresponding one by one with the quantity and the position of first lenticule 1002; With realization the light that each first lenticule penetrates is focused on again, thereby be formed on the good hot spot of needed color uniformity in the reality.
Claims (10)
1. a LED colour mixture lamp comprises lamp bracket, is articulated with lamp pearl plate radiating seat on the lamp bracket, and the lower end of lamp pearl plate radiating seat is equipped with bonnet, and the upper end of lamp pearl plate radiating seat has accommodation space, and substrate is installed in the accommodation space, and LED is installed on the substrate; Be provided with the collector lens installing plate in the place ahead of substrate, collector lens installing plate the place ahead is provided with the varifocal mirror installing plate; It is characterized in that: more than one collector lens is installed on the collector lens installing plate; The varifocal mirror that quantity equates with collector lens is installed on the varifocal mirror installing plate, and varifocal mirror is corresponding on front and back position with collector lens; On the collector lens exiting surface by the first lenticule group of forming by first lenticule more than two; Described varifocal mirror comprises the varifocal mirror body and is located at the second lenticule group on the varifocal mirror body, and the second lenticule group is made up of second lenticule, and the first lenticule quantity on second lenticule and the collector lens is equal and the position is corresponding.
2. LED colour mixture lamp according to claim 1 is characterized in that: each the first lenticule curvature in the first lenticule group equates that each the second lenticule curvature in the second lenticule group equates that first lenticule and second lenticule are positive lens; In the first lenticule group each is first little all in the same plane, and each second lenticule in the second lenticule group is all in the same plane.
3. LED colour mixture lamp according to claim 1, it is characterized in that: the sidewall of collector lens is provided with first reference column, and the collector lens installing plate is provided with first locating slot that holds first reference column; The periphery of varifocal mirror body is outward extended with flange, and the upper surface of flange is provided with positioning convex, and the varifocal mirror installing plate is provided with second locating slot that holds positioning convex, and the edge of flange is provided with detent.
4. LED colour mixture lamp according to claim 1; It is characterized in that: the place ahead that is positioned at varifocal mirror on the varifocal mirror installing plate is provided with the flase floor that equates with varifocal mirror quantity; Flase floor is provided with the grate opening that equates with the first lenticule quantity; The edge of flase floor is provided with three locating slot corresponding with the positioning convex position, and described the 3rd locating slot holding is on positioning convex.
5. LED colour mixture lamp according to claim 4 is characterized in that: the place ahead that in accommodation space, is positioned at flase floor is provided with the lamp cylindrical shell, and the lamp cylindrical shell is provided with the corresponding lamp tube hole of front and back position that equates with the grid hole number.
6. 1 or 5 described LED colour mixture lamps as requested; It is characterized in that: second reference column that extends before and after the sidewall of accommodation space is provided with; Be provided with four locating slot of holding on second reference column on the edge of collector lens installing plate; Be provided with five locating slot of holding on second reference column on the edge of varifocal mirror installing plate, be provided with six locating slot of holding on second reference column on the edge of lamp cylindrical shell.
7. LED colour mixture lamp according to claim 1 is characterized in that: have the above groove of a circle on the substrate, be provided with connecting portion in the groove.
8. LED colour mixture lamp according to claim 1 is characterized in that: the bottom surface of lamp pearl plate radiating seat and side are provided with spreads backing.
9. LED colour mixture lamp according to claim 8 is characterized in that: between bonnet and the lamp pearl plate mount pad circuit board is installed, fan is installed on the circuit board, on bonnet, be provided with exhaust outlet with the position of fan corresponding position.
10. LED colour mixture lamp according to claim 1 is characterized in that: on the lamp pearl plate mount pad motor is installed, the output shaft of motor passes substrate, the collector lens installing plate is connected with the varifocal mirror installing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202800889U CN202203845U (en) | 2011-08-03 | 2011-08-03 | Light emitting diode (LED) color-mixed lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202800889U CN202203845U (en) | 2011-08-03 | 2011-08-03 | Light emitting diode (LED) color-mixed lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202203845U true CN202203845U (en) | 2012-04-25 |
Family
ID=45967966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202800889U Withdrawn - After Issue CN202203845U (en) | 2011-08-03 | 2011-08-03 | Light emitting diode (LED) color-mixed lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202203845U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287751A (en) * | 2011-08-03 | 2011-12-21 | 广州市雅江光电设备有限公司 | Light-emitting diode (LED) mixed color lamp |
| CN110566841A (en) * | 2018-06-05 | 2019-12-13 | 深圳市绎立锐光科技开发有限公司 | Heat radiation structure and lighting device |
-
2011
- 2011-08-03 CN CN2011202800889U patent/CN202203845U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287751A (en) * | 2011-08-03 | 2011-12-21 | 广州市雅江光电设备有限公司 | Light-emitting diode (LED) mixed color lamp |
| CN102287751B (en) * | 2011-08-03 | 2013-07-10 | 广州市雅江光电设备有限公司 | Light-emitting diode (LED) mixed color lamp |
| CN110566841A (en) * | 2018-06-05 | 2019-12-13 | 深圳市绎立锐光科技开发有限公司 | Heat radiation structure and lighting device |
| CN110566841B (en) * | 2018-06-05 | 2022-03-29 | 深圳市绎立锐光科技开发有限公司 | Heat radiation structure and lighting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120425 Effective date of abandoning: 20130710 |
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| RGAV | Abandon patent right to avoid regrant |