CN204943138U - A kind of LED beam condensing unit - Google Patents
A kind of LED beam condensing unit Download PDFInfo
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- CN204943138U CN204943138U CN201520377522.3U CN201520377522U CN204943138U CN 204943138 U CN204943138 U CN 204943138U CN 201520377522 U CN201520377522 U CN 201520377522U CN 204943138 U CN204943138 U CN 204943138U
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- reflector
- light source
- led
- condensing unit
- cup
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Abstract
<b> the utility model relates to a kind of </b><bGreatT.Gre aT.GTLED</b><bGr eatT.GreaT.GT lamp beam condensing unit, comprise </b><bGreatT.Gre aT.GTLED</b><bGr eatT.GreaT.GT light source board, reflector, for assembling the concentrating component of light source, for light shield device and the fixed block of ABSORPTION AND SCATTERING light source, described </b><bGreatT.Gre aT.GTLED</b><bGr eatT.GreaT.GT light source board is positioned at the bottom of the cup of reflector, described concentrating component is positioned at reflector cup, and is positioned on the extended line of </b><bGreatT.Gre aT.GTLED</b><bGr eatT.GreaT.GT light source board center, described light shield device is sheathed on the rim of a cup of reflector.It can promote light source projects utilization rate, and then promotes overall Luminaire efficiency; Make the light angle of reflection accurate, there is no aberration.The remaining light that reduction light source scatters out and astigmatism quantity; Strengthen light contrast, effectively attract the beneficial effect of client's eyeball.</b>
Description
Technical field
The present invention relates to a kind of beam condensing unit, particularly relate to a kind of LED beam condensing unit.
Background technology
LED lamplight line focus problem is that light of stage, jewellery projecting lamp, photography spotlight etc. are higher to the requirement of light light focusing now, the light launched of light source is usually in scatter-type, and the remaining light scattered out and astigmatism quantity, light contrast are strong and weak, light source projects utilization rate is the important indicator realizing a high-quality light focusing effect.
Existing lighting device generally uses reflector or lens to be used as concentrating component, but no matter use which kind of assembly, with under current cost viewpoint and technology restriction, the light type that light source is launched all has serious remaining light and the problem of astigmatism, and this effect often causes commodity contrast not or cannot differentiate the problem such as particular location of projection emphasis.Such as; with reference to Fig. 1, be applied to LED lighting at present, in order to reach the effect of optically focused; usually can by the focus of light emitting source as prefocus cup; Ji Beidi center, reaches the object of optically focused, and the maximum problem of the method is; because reflector 2 cup has certain radian; from the light that LED light source plate 1 emits, there is a big chunk directly can cross reflector 2 rim of a cup edge and penetrate away, do not change angle through prefocus cup.With reference to Fig. 2, directly cross reflector 2 rim of a cup edge for elimination some light to penetrate away, adopt lens 30 that this part scattered beam is focused into parallel rays by principle of reflection, but the light that lens 30 reflect can produce aberration problem, the problem making final light there is uniform hue degree to differ.
Summary of the invention
For the problem of prior art, the object of the present invention is to provide a kind of LED beam condensing unit, it can promote light source projects utilization rate, and then promotes overall Luminaire efficiency; Make the light angle of reflection accurate, there is no aberration.The remaining light that reduction light source scatters out and astigmatism quantity; Strengthen light contrast, effectively attract client's eyeball.
For achieving the above object, a kind of LED beam condensing unit of the present invention adopts following technical scheme:
Comprise LED light source plate, reflector, for assemble light source concentrating component, for the light shield device of ABSORPTION AND SCATTERING light source and the fixed block for fixing light shield device; LED light source plate is positioned at the bottom of the cup of reflector; Concentrating component is positioned at reflector cup, and is positioned on the extended line of LED light source plate center; Light shield device is sheathed on the rim of a cup of reflector.Preferably, concentrating component comprises the first concentration structure of upper end open and the second concentration structure of lower ending opening, the lower end of the first concentration structure is connected with the second concentration structure upper end thus forms the cross section of central axis direction at the bottom of reflector cup is the structure of X font, and the opening in communication of the opening of the first concentration structure and the second concentration structure; The opening of the first concentration structure is towards reflector rim of a cup direction, and the opening of the second concentration structure is towards LED light source plate direction; Light shield device contacts with the opening of the first concentration structure.
Preferred further, light shield device comprises the first shade, the second shade and the 3rd shade; The internal diameter of the first shade mates with the internal diameter of described first concentration structure opening; The internal diameter of the 3rd shade mates with the rim of a cup internal diameter of reflector, and the root edge of the 3rd shade contacts with the rim of a cup of reflector; Second shade is between the first shade and the 3rd shade.
Preferably, reflector at the bottom of its glass on the cross sectional shape of central axis direction be U-shaped.
Preferably, also comprise guide rail lamp socket, be fixedly connected with guide rail lamp socket at the bottom of the cup of reflector.
Preferably, also comprise bright fitted tube lamp socket, reflector and bright fitted tube lamp socket match, and reflector is sheathed on bright fitted tube lamp socket.
Preferably, also comprise ceiling embedded lamp socket, reflector and ceiling embedded lamp socket match, and reflector is sheathed on ceiling embedded lamp socket.
Preferably, also comprise LED down seat, reflector and LED down seat match, and reflector is sheathed on LED down seat.
Beneficial effect of the present invention is: adopt reflector and the first concentration structure of upper end open and the second concentration structure reflection source of lower ending opening, to promote light source projects utilization rate, and then promote overall Luminaire efficiency, make the light angle of the reflection of whole LED beam condensing unit accurate, there is no aberration; Adopt the combination of the first shade, the second shade and the 3rd shade, the remaining light that reduction light source scatters out and astigmatism quantity; Adopt the combination between reflector, concentrating component, light shield device, it can realize strengthening light contrast, effectively attracts client's eyeball.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of LED lighting reflector reflection ray in background technology of the present invention;
Fig. 2 is the schematic diagram of rays pass through lens reflection ray in background technology of the present invention;
Fig. 3 be the present invention at the bottom of reflector cup on the sectional view of central axis direction;
Fig. 4 is structural representation of the present invention;
Fig. 5 is reflector of the present invention and guide rail lamp socket connection diagram;
Fig. 6 is reflector of the present invention and bright fitted tube lamp socket connection diagram;
Fig. 7 is reflector of the present invention and ceiling embedded lamp socket connection diagram;
Fig. 8 is reflector of the present invention and LED down seat connection diagram;
Fig. 9 is the cross-sectional view of concentrating component of the present invention.
Detailed description of the invention
Below, by reference to the accompanying drawings and detailed description of the invention, the present invention is described further:
With reference to Fig. 3, Fig. 4, a kind of LED beam condensing unit that the present embodiment provides;
Its concrete structure comprise LED light source plate 1, reflector 2, for assembling the concentrating component 3 of light source, the light shield device 4 for ABSORPTION AND SCATTERING light source and the fixed block 5 for fixing light shield device; LED light source plate 1 is positioned at the bottom of the cup of reflector 2; Concentrating component 3 is positioned at reflector 2 cup, and is positioned on the extended line of LED light source plate 1 center; Light shield device 4 is sheathed on the rim of a cup of reflector 2.
The light that LED light source plate 1 emits is scatter-type, light is parallel lines light type by the reflection of reflector 2, light is only by the reflection of reflector 2, also can remaining a large amount of remaining light and astigmatism, a large amount of remaining lights is very large with the projection impact of astigmatism on light source, therefore add concentrating component 3, the some light that concentrating component 3 is launched for assembling LED light source plate 1 center, due to the particularity of LED light source plate 1 center, the some light crevice projection angle that its center is launched is not reflected by reflector 2 and direct projected outward, cause the problem that this part light source scattering can not focus on.The light that LED light source plate 1 emits is scatter-type, and its light scattering angle differs, the problem of remaining light and astigmatism only can not be solved completely by reflector 2 and concentrating component 3, therefore the present invention is also provided with light shield device 4, light shield device 4 is for absorbing the scattered beam remaining and can not be reflected by reflector 2 and concentrating component 3, make remaining light follow astigmatism quantity to reduce further, increase projection efficiency, strengthen light contrast.Fixture 5, for fixing light shield device 4, makes the more effective scattered beam absorbing residue and can not be reflected by reflector 2 and concentrating component 3 of light shield device 4.Concentrating component 3 comprises the first concentration structure 31 of upper end open and the second concentration structure 32 of lower ending opening, wherein, the lower end of the first concentration structure 31 is connected with the second concentration structure 32 upper end, thus can to form the cross section of central axis direction at the bottom of reflector 2 glasss be the structure of X font, and the opening in communication of the opening of the first concentration structure 31 and the second concentration structure 32; It should be noted that, the connection of the first concentration structure 31 and the second concentration structure 32 has more than and forms X font, and it can also be other shapes herein.
Cross section formula according to concentrating component optical surface: y
2=2R
0x-(1-e
2) x
2;
Wherein, 0<e
2<1 Time, the cross section Wei Ban Elliptical Round of the second concentration structure 32 optical surface;
According to the mathematic(al) representation x of ellipse
2/ a
2+ y
2/ b
2=1, c
2=a
2-b
2a=R
0/ (1-e
2),
c=eR
0(1-e
2),
On geometric meaning, a is oval major axis, and b is oval minor axis, and (a-c) is the first oval focus, and (a+c) is the second oval focus;
The position of LED light source plate is placed in the first focal point F 1 of the second concentration structure 31, and F1=a-c, the light emitted by F1, will focus on the second focal point F 2 of the second concentration structure 32, and F2=a+c, consider the practicality of whole optical system in application, wherein,
Major axis a:15 ~ 75mm, optimum value is 26mm;
Minor axis b:7 ~ 55mm, optimum value is 14mm;
Distance c:13 ~ the 51mm of focus and initial point, optimum value is 21.8mm; It is an embodiment of the most practicality of the first concentration structure 31, but is not a unique embodiment.
Cross section formula according to concentrating component optical surface: y
2=2R
0x-(1-e
2) x
2;
Wherein, e
2=1 Time, the cross section of the first concentration structure 31 optical surface is parabola, and it is an embodiment of the most practicality of the first concentration structure 31, but is not a unique embodiment; Its mathematical expression can be expressed as:
Y
2=2px, p=R
0, p is the focal length of Throwing object plane,
The present invention is symmetrical about the face that overlaps of the first concentration structure and the second concentration structure with a burnt Dot of the first concentration structure by the burnt Dot of the second concentration structure, makes LED beam condensing unit of the present invention have best spotlight effect.
The opening of the first concentration structure 31 is towards reflector 2 rim of a cup direction, and the opening of the second concentration structure 32 is towards LED light source plate 1 direction; Light shield device 4 contacts with the opening of the first concentration structure 31.
The lower end of the first concentration structure 31 is connected with the second concentration structure 32 upper end thus forms the cross section of central axis direction at the bottom of reflector 2 glasss is the structure of X font, and the object of the opening in communication of the opening of the first concentration structure 31 and the second concentration structure 32 is: the light-ray condensing reflected from the second concentration structure 32 is become parallel rays projected outward again by the first concentration structure 31, first concentration structure 31 that the some light that LED light source plate 1 center is launched is reflexed to upper end open by the second concentration structure 32 of lower ending opening again.First concentration structure 31 and the second concentration structure 32 mainly process some light LED light source plate 1 light source center position described in background technology launched and directly cross the problem that rim of a cup edge penetrates away, second concentration structure 32 is made up of ellipsoid, LED light source plate 1 center mainly emitted by it, and the focus place, lower end of light focusing to the first concentration structure 31 that can not be reflected by reflector 2, this focus is positioned in the plane that the first concentration structure 31 and the second concentration structure 32 connect, and is positioned at the center of this plane.First concentration structure 31 is made up of parabola face, mainly the second concentration structure 32 is focused on the light at focus place, after the reflection of parabola face, become directional light and project away, and make the light angle of the reflection of whole LED beam condensing unit accurate, there is no aberration.
Light shield device 4 comprises the first shade 41, second shade 42 and the 3rd shade 43; The internal diameter of the first shade 41 mates with the internal diameter of described first concentration structure 31 opening; The internal diameter of the 3rd shade 43 mates with the rim of a cup internal diameter of reflector 2, and the root edge of the 3rd shade 43 contacts with the rim of a cup of reflector 2; Second shade 42 is between the first shade 41 and the 3rd shade 43.
For eliminating astigmatism more than some, improve the optical quality of device, the light shield device 4 in the present embodiment is provided with the first shade 41, second shade 42 and the 3rd shade 43; First shade 41 be mainly used in absorb emit from the first concentration structure 31 more than astigmatism, 3rd shade 43 be mainly used in absorb emit from glow cup 2 more than astigmatism, the second shade 42 is mainly used in the remaining astigmatism emitted between absorption first concentration structure 31 and glow cup 2; The cooperation of three shades, the absorption of more effective realization residue astigmatism, makes the light utilization rate of projection improve, and then promotes overall Luminaire efficiency; Further reduce remaining light and astigmatism quantity that light source scatters out; Enhance light contrast, effectively attract client's eyeball.
Reflector 2 at the bottom of its glass on the cross sectional shape of central axis direction be U-shaped.
Its objective is reflection ray more effectively, the light that LED light source plate 1 is launched is parallel rays.
As the one of embodiment, with reference to Fig. 5 to Fig. 8, LED beam condensing unit also comprise in guide rail lamp socket 51, bright fitted tube lamp socket 52, ceiling embedded lamp socket 53 and LED down seat 54 any one or multiple, reflector 2 can be arranged in guide rail lamp socket 51, bright fitted tube lamp socket 52, ceiling embedded lamp socket 53 and LED down seat 54, but is not limited to be arranged in guide rail lamp socket 51, bright fitted tube lamp socket 52, ceiling embedded lamp socket 53 and LED down seat 54.Can be fixedly connected with guide rail lamp socket 51 at the bottom of the cup of reflector 2; Reflector 2 and bright fitted tube lamp socket 52 match, and reflector 2 can be sheathed on bright fitted tube lamp socket 52; Reflector 2 and ceiling embedded lamp socket 53 match, and reflector 2 can be sheathed on ceiling embedded lamp socket 53; Reflector 2 and LED down seat 54 match, and reflector 2 can be sheathed on LED down seat 54.
Concentrating component can be reflective surface reflection ray but be not limited to reflective surface, and the structure of concentrating component can also be as shown in Figure 9.
To one skilled in the art, according to technical scheme described above and design, other various corresponding change and deformation can be made, and all these change and deformation all should belong within the protection domain of the claims in the present invention.
Claims (8)
1. a LED beam condensing unit, is characterized in that: comprise LED light source plate, reflector, for assemble light source concentrating component, for the light shield device of ABSORPTION AND SCATTERING light source and the fixed block for fixing light shield device; Described LED light source plate is positioned at the bottom of the cup of reflector; Described concentrating component is positioned at reflector cup, and is positioned on the extended line of LED light source plate center; Described light shield device is sheathed on the rim of a cup of reflector.
2. a kind of LED beam condensing unit as claimed in claim 1, it is characterized in that: described concentrating component comprises the first concentration structure of upper end open and the second concentration structure of lower ending opening, the lower end of the first concentration structure is connected with the second concentration structure upper end thus forms the cross section of central axis direction at the bottom of reflector cup is the structure of X font, and the opening in communication of the opening of the first concentration structure and the second concentration structure; The opening of described first concentration structure is towards reflector rim of a cup direction, and the opening of the second concentration structure is towards LED light source plate direction; Described light shield device contacts with the opening of the first concentration structure.
3. a kind of LED beam condensing unit as claimed in claim 2, is characterized in that: described light shield device comprises the first shade, the second shade and the 3rd shade; The internal diameter of described first shade mates with the internal diameter of described first concentration structure opening; The described internal diameter of the 3rd shade mates with the rim of a cup internal diameter of reflector, and the root edge of the 3rd shade contacts with the rim of a cup of reflector; Described second shade is between the first shade and the 3rd shade.
4. a kind of LED beam condensing unit as claimed in claim 1, is characterized in that: described reflector at the bottom of its glass on the cross sectional shape of central axis direction be U-shaped.
5. a kind of LED beam condensing unit as claimed in claim 1, is characterized in that: described LED beam condensing unit also comprises guide rail lamp socket, is fixedly connected with at the bottom of the cup of described reflector with guide rail lamp socket.
6. a kind of LED beam condensing unit as claimed in claim 1, is characterized in that: described LED beam condensing unit also comprises bright fitted tube lamp socket, described reflector and bright fitted tube lamp socket match, and reflector is sheathed on bright fitted tube lamp socket.
7. a kind of LED beam condensing unit as claimed in claim 1, it is characterized in that: described LED beam condensing unit also comprises ceiling embedded lamp socket, described reflector and ceiling embedded lamp socket match, and reflector is sheathed on ceiling embedded lamp socket.
8. a kind of LED beam condensing unit as claimed in claim 1, it is characterized in that: described LED beam condensing unit also comprises LED down seat, described reflector and LED down seat match, and reflector is sheathed on LED down seat.
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CN201520377522.3U CN204943138U (en) | 2015-06-03 | 2015-06-03 | A kind of LED beam condensing unit |
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CN201520377522.3U CN204943138U (en) | 2015-06-03 | 2015-06-03 | A kind of LED beam condensing unit |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105042406A (en) * | 2015-06-03 | 2015-11-11 | 深圳市西朗德光学有限公司 | LED lamp light condensing device |
-
2015
- 2015-06-03 CN CN201520377522.3U patent/CN204943138U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105042406A (en) * | 2015-06-03 | 2015-11-11 | 深圳市西朗德光学有限公司 | LED lamp light condensing device |
CN105042406B (en) * | 2015-06-03 | 2017-08-08 | 潮州市西朗德光学科技有限公司 | A kind of LED beam condensing unit |
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Legal Events
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---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190711 Address after: 523712 Building No. 9B, Beiyuan Road, Lianhu Community Second Industrial Zone, Tangxia Town, Dongguan City, Guangdong Province Patentee after: Guangdong Xilangde Optical Technology Co., Ltd. Address before: Room 2101, East Kafno Block, Qianhai Road and Coast, Nanshan District, Shenzhen City, Guangdong Province, 518000 Co-patentee before: SHENZHEN YOULIDE SCIENCE & TECHNOLOGY CO., LTD. Patentee before: SHENZHEN SHINLAND OPTICS CO., LTD. |
|
TR01 | Transfer of patent right |