CN201254229Y - Bicycle lamp translucent mirror base - Google Patents
Bicycle lamp translucent mirror base Download PDFInfo
- Publication number
- CN201254229Y CN201254229Y CNU2008201280692U CN200820128069U CN201254229Y CN 201254229 Y CN201254229 Y CN 201254229Y CN U2008201280692 U CNU2008201280692 U CN U2008201280692U CN 200820128069 U CN200820128069 U CN 200820128069U CN 201254229 Y CN201254229 Y CN 201254229Y
- Authority
- CN
- China
- Prior art keywords
- printing opacity
- reflection cup
- microscope base
- light source
- internal reflection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
Disclosed is a non-lighttight mirror seat for a bicycle lamp. The non-lighttight mirror seat is an integrally molded structure; a small perfect reflection cup, a middle perfect reflection cup and a big perfect reflection cup are arranged in sequence from inner to outer with the center of a light source positioning part as the circle center; and a refractor is arranged in front of the light source positioning part. The curved surfaces of the small perfect reflection cup, the middle perfect reflection cup, the big perfect reflection cup and the refractor are all designed according to non-rotational symmetric curved surface design equation so as to first generate specific different light distribution effects and then to stack up a general light distribution effect. In this way, the light is wide enough in left and right distribution range, the center is bright enough, and the flat general light distribution effect is quite in favor of installing the non-lighttight mirror seat on the limited space of a common bicycle.
Description
Technical field
The utility model is about dynamo lighting set, more detailed it, be a kind of dynamo lighting set printing opacity microscope base.
Background technology
LED has been widely used on the light fixture as lighting source because have advantages such as high brightness, volume are little, power saving.Dynamo lighting set is a kind of of application.The car light that the Regular Bicycle knight needs is a distribution broadness but the not high light type of irradiating angle, and more than the about 10Lux of center brightness, so the comprehensive luminous intensity distribution of bicycle head lamp demand is that the center reaches bright, broad, flat luminous intensity distribution.
And the lampshade structure that a kind of dynamo lighting set auxiliary LED light source of conventional version outwards penetrates comprises a reflector, a led light source and a front shroud haply.This reflector internal layer is a reflection material, in order to the reflection led light source; This front shroud is covered on this reflector front end, can adjust and use convex lens, semi-convex lens or planar lens etc. according to the bright dipping light shape of this car light institute desire generation.Above-mentioned reflector has single curved surface, the emitting surface setting of led light source forward, the light source of very small portion is to see through this front shroud and direct projection is gone out, most light source reflect via reflector then to be penetrated to front shroud.Therefore, these LED car lights produce an illumination zone, and the brightness of illumination in this illumination zone is identical haply, thus do not have the center enough bright, according to fabric width degree, desirable luminous intensity distribution that light shape is flat.
Summary of the invention
This novel purpose is to provide a kind of dynamo lighting set printing opacity microscope base, this printing opacity microscope base can make the illuminating ray of dynamo lighting set have converging beam and diffusion light beam, can form the higher luminous intensity distribution center of brightness of illumination and take the broad degree of luminous intensity distribution into account, promote brightness of illumination and enlarge illumination zone.In addition, the luminous intensity distribution of this later-model bicycle head lamp is flat smooth type.
Desiring to reach the technological means system that above-mentioned purpose takes adopts total internal reflection principle (TIR or Collimator) to do optical design, constitute a printing opacity microscope base with several reflectors, the central authorities of this printing opacity microscope base have a light source location division, and this light source location division is at least one led light source setting; These several reflectors have respectively according to the designed curved surface of non-rotating symmetroid equation, to adjust the light beam of this led light source.
Particularly, a kind of dynamo lighting set printing opacity microscope base is characterized in that, comprises:
By the printing opacity microscope base that several reflectors constitute, the central authorities of this printing opacity microscope base have the light source location division of a fixing at least one led light source; These several reflectors have the curved surface of adjusting this led light source.
Wherein, this led light source is a white light LEDs.
Wherein, described reflector comprises that with this light source location division be the center of circle and around a total internal reflection cup and a complete works of reflector in the little total internal reflection cup, of arranging, this little total internal reflection cup constitutes the upper and lower part of this printing opacity microscope base, this complete works reflector constitutes the left and right portion of this printing opacity microscope base, and middle total internal reflection cup is then between complete works of reflector and little total internal reflection cup.
Wherein, this printing opacity microscope base comprises that also one is positioned at the dioptric lens in this place ahead, light source location division.
The utility model beneficial effect:
Several above-mentioned reflector systems design its curved surface with the curved design equation of non-rotating symmetry, can be respectively applied for earlier and produce indivedual different light distribution effects, stack out to have the polynary and various total luminous intensity distribution of demand simultaneously again.One preferable reality is joined enough broadnesses that distributes about this printing opacity microscope base of sample attitude is adjusted into a led light source, the center is enough bright, and total luminous intensity distribution of flat light type.
Description of drawings
Fig. 1 is that it has converging beam with a TIR design-calculated car light microscope base luminous intensity distribution result, but about broad degree deficiency.
Fig. 2 is that it has the diffusion light beam with a TIR design-calculated car light microscope base luminous intensity distribution result, but the center brightness deficiency.
Fig. 3 is the forward sight External view of the utility model printing opacity microscope base.
Fig. 4 is the backsight External view of the utility model printing opacity microscope base.
Fig. 5 is the front elevation of the utility model printing opacity microscope base.
Fig. 6 is the section-drawing of the utility model printing opacity microscope base.
Fig. 7 is the luminous intensity distribution result of the little total internal reflection cup of the utility model printing opacity microscope base.
Fig. 8 is the luminous intensity distribution result of total internal reflection cup in the utility model printing opacity microscope base.
Fig. 9 is the luminous intensity distribution result of the complete works of reflector of the utility model printing opacity microscope base.
Figure 10 is the luminous intensity distribution result of the dioptric lens of the utility model printing opacity microscope base.
Figure 11 is total luminous intensity distribution result of the utility model printing opacity microscope base.
The specific embodiment
The white light LEDs of Lambertian Type in these the novel preferred embodiment employing Luxeon who develops by LumiLeds company (1W) of system series of products.Lambertian LED beam distribution angle in the horizontal direction reaches ± 100 degree, also reaches in vertical direction beam distribution angle ± 100 degree, so led light source needs via proper optical design the light beam actv. to be regulated to enough bright, broad, the flat light types in center.This novel employing total internal reflection principle (TIRor Collimator) is done optical design, because TIR or Collimator can will be contained the light beam in all orientation of Lambertian LED, can make the light source degree of utilization reach maximum.
When doing optical design, then need produce converging beam when bright (more than the 10Lux), can't take into account the broad degree that distributes about the light type when wishing that the luminous intensity distribution center is enough with a TIR, as Fig. 1, though center brightness surpass more than the 10Lux, but about only about 12 degree that distribute.When wishing that luminous intensity distribution is enough broad, then need produce the diffusion light beam, often sacrifice the center most bright value, as Fig. 2, though about distribute and can reach 18 degree, center brightness is 4.3Lux only.
Therefore this novel will be in the unitized design mode of several TIR or Collimator to increase the elasticity on the luminous intensity distribution.Its major technique means system constitutes a printing opacity microscope base with several reflectors, and the central authorities of this printing opacity microscope base have a light source location division, and this light source location division is at least one led light source setting; These several reflectors have respectively according to the designed curved surface of non-rotating symmetroid equation, to adjust the light beam of this led light source.The following stated person system is the design that example illustrates this printing opacity microscope base in the unitized design mode of three TIRor Collimator.
As Fig. 3 to Fig. 6, the structure that the utility model printing opacity microscope base 100 is formed in one can be divided into complete works of reflector 10, middle total internal reflection cup 11, little total internal reflection cup 12, light source location division 13 and dioptric lens 14.
This printing opacity microscope base 100 is that the center with this light source location division 13 is the center of circle, is above-mentioned little total internal reflection cup 12, middle total internal reflection cup 11, complete works of reflector 10 in regular turn outwards, and described dioptric lens 14 is positioned at this 13 the place aheads, light source location division.Little total internal reflection cup 12 constitutes the upper and lower part of these printing opacity microscope bases 100, and this complete works reflector 10 constitutes the left and right portion of these printing opacity microscope bases 100, and 11 in middle total internal reflection cup is between complete works of reflector 10 and little total internal reflection cup 12.
Above-mentioned large, medium and small total internal reflection cup 10,11,12 can be respectively applied for earlier and produce indivedual different light distribution effects, stacks out to have the polynary and various total luminous intensity distribution of demand simultaneously again, and the concentrated light type that is used for that is used for the design of diffusion light type, has that for example has designs.The comprehensive luminous intensity distribution of the Regular Bicycle head lamp demand enough broad, that the center is enough bright that distributes about therefore the total luminous intensity distribution that stacks out can produce.
The total internal reflection cup of TIR or Collimator and dioptric lens need be held concurrently and be born different light distribution characteristics from the above, therefore its curved design must possess good luminous intensity distribution ability is arranged, and the curved design equation of the non-rotating symmetry of this novel employing designs total internal reflection cup and the dioptric lens of TIR or Collimator.
The curved design equation of non-rotating symmetry
Wherein
Z: optical axis direction
R: radially
θ: angle
R: vertex curvature radius
K: the constant of the cone (Conic constant)
Subscript X: horizontal shaft
Subscript Y: vertical axis
N is adjustable coefficient, and the decision border effect extends to the in-to-in number, as n k when big of healing
XEffect becomes big and k
YEffect diminishes, in order to increase the elasticity of control distribution of light.If n
X≠ n
YJust can control k respectively
XAnd k
YIndividual effects (i.e.n
X→ k
XWith n
Y→ k
Y).
Little total internal reflection cup 12 design-calculated luminous intensity distribution such as Fig. 7, about distribute and can reach 18 degree, 7 degree that distribute up and down, it is the broadest to distribute in three luminous intensity distributions, belongs to the luminous intensity distribution design of diffused.
In total internal reflection cup 11 design-calculated luminous intensity distribution such as Fig. 8, all about 6 degree that distribute up and down, bright spot 4.3Lux is positioned at the center, belongs to the luminous intensity distribution design of concentrated.
Complete works of reflector 10 design-calculated luminous intensity distribution such as Fig. 9, all about 5 degree that distribute up and down, the brightest 8.1Lux that reaches, belongs to the luminous intensity distribution design of concentrated by in three luminous intensity distributions the brightest one.
Total luminous intensity distribution such as Figure 11 of stacking out, about distribute and can reach 18 degree, 8 degree distribute up and down, the brightest 15.3Lux is positioned at center-point, so distribution is enough broad about total luminous intensity distribution, the center is enough bright, can fully meet the comprehensive luminous intensity distribution light type of Regular Bicycle head lamp demand, and bright spot 15.3Lux, more high than 10Lux, will be very favourable design, can allow tolerance bigger in the actual manufacturing.
Outside inferior, three the utility model printing opacity microscope bases that TIR combines, only about 1.6 centimeters of its depth, wide 3.5 centimeters, thick 1.5 centimeters of opening are so the utility model printing opacity microscope base is flat external form, luminous intensity distribution also presents flat light type, very helps the limited space of Regular Bicycle and installs.
Though the utility model is to do explanation with a most preferred embodiment, is skillful in this skill person and can makes various multi-form changes not breaking away under the utility model spirit and the category.Above illustrated embodiment is only in order to explanation the utility model, and is non-in order to limit scope of the present utility model.Such as do not disobey various modifications or the variation that the utility model spirit is engaged in, all belong to the utility model claim.
Claims (4)
1. a dynamo lighting set printing opacity microscope base is characterized in that, comprises:
By the printing opacity microscope base (100) that several reflectors (10,11,12) constitute, the central authorities of this printing opacity microscope base (100) have the light source location division (13) of a fixing at least one led light source; These several reflectors (10,11,12) have the curved surface of adjusting this led light source.
2. dynamo lighting set printing opacity microscope base according to claim 1 is characterized in that this led light source is a white light LEDs.
3. dynamo lighting set printing opacity microscope base according to claim 1, it is characterized in that, described reflector comprises that with this light source location division (13) be the center of circle and around a total internal reflection cup (11) and a complete works of reflector (10) in the little total internal reflection cup (12), of arranging, this little total internal reflection cup (12) constitutes the upper and lower part of this printing opacity microscope base (100), this complete works reflector (10) constitutes the left and right portion of this printing opacity microscope base (100), and middle total internal reflection cup (11) is then between complete works of reflector (10) and little total internal reflection cup (12).
4. dynamo lighting set printing opacity microscope base according to claim 1 is characterized in that this printing opacity microscope base (100) comprises that also one is positioned at the dioptric lens (14) in this place ahead, light source location division (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201280692U CN201254229Y (en) | 2008-07-16 | 2008-07-16 | Bicycle lamp translucent mirror base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201280692U CN201254229Y (en) | 2008-07-16 | 2008-07-16 | Bicycle lamp translucent mirror base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201254229Y true CN201254229Y (en) | 2009-06-10 |
Family
ID=40737545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201280692U Expired - Fee Related CN201254229Y (en) | 2008-07-16 | 2008-07-16 | Bicycle lamp translucent mirror base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201254229Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363443A (en) * | 2013-07-26 | 2013-10-23 | 深圳市百康光电有限公司 | Total reflection lens and forming method thereof |
-
2008
- 2008-07-16 CN CNU2008201280692U patent/CN201254229Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363443A (en) * | 2013-07-26 | 2013-10-23 | 深圳市百康光电有限公司 | Total reflection lens and forming method thereof |
| CN103363443B (en) * | 2013-07-26 | 2015-09-30 | 深圳市百康光电有限公司 | A kind of total reflection lens and forming method thereof |
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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 |
Granted publication date: 20090610 Termination date: 20150716 |
|
| EXPY | Termination of patent right or utility model |