CN207702375U - Bicycle headlamp compound lens - Google Patents
Bicycle headlamp compound lens Download PDFInfo
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- CN207702375U CN207702375U CN201820033630.2U CN201820033630U CN207702375U CN 207702375 U CN207702375 U CN 207702375U CN 201820033630 U CN201820033630 U CN 201820033630U CN 207702375 U CN207702375 U CN 207702375U
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Abstract
The utility model is suitable for technical field of lighting fixtures, provide a kind of bicycle headlamp compound lens, including set gradually from the bottom up LED light source portion, baffle portion, for once light-distribution with formed circular light spot aspherical planoconvex spotlight portion and be used for secondary light-distribution free-form surface lens portion, LED light source portion includes multiple LED light sources for being arranged into a row, it is blocked by baffle portion each LED light source part, aspherical planoconvex spotlight portion includes tripping in optical plane and upper light-emitting surface, and free-form surface lens portion includes tripping in light free form surface and upper light extraction free form surface.Bicycle headlamp compound lens provided by the utility model, physics light blocking effect is generated by baffle portion, hot spot vertical direction is made to generate "cut-off"line, vertical direction low-angle light extraction, the above illumination of dead line is very weak, and oncoming traffic or pedestrian do not feel as dazzle；By the combination in plano-convex non-spherical lens portion and free-form surface lens portion, increase hot spot horizontal direction angle, to increase visual field width of riding.
Description
Technical field
The utility model belongs to technical field of lighting fixtures, and in particular to arrives a kind of bicycle headlamp compound lens.
Background technology
Dynamo lighting set is for riding the lamps and lanterns that friendly night rides on bicycle, and dynamo lighting set can be divided into headlamp with after
Warning taillight is set, the former predominantly rides friend and provides illumination of riding, and the latter is mainly that back car provides signal warning function.
For bicycle headlamp angle currently on the market between 8-16 degree, hot spot is mostly circle, and this dynamo lighting set has
The shortcomings of road surface hot spot uniformity is low, blind area is big, to vision dazzle is caused to oncoming traffic or pedestrian.
Utility model content
That the purpose of the utility model is to overcome above-mentioned existing bicycle headlamp dazzles is big, blind area is big not
Foot, provides a kind of bicycle headlamp compound lens.
The utility model is realized in this way：Bicycle headlamp compound lens, including the use that sets gradually from the bottom up
The LED light source portion described in the transmitting LED light source portion of light, shield portions for generate clearly the baffle portion of "cut-off"line,
For once light-distribution to form the aspherical planoconvex spotlight portion of circular light spot and for secondary light-distribution to reduce the freedom of dazzle
Toroidal lens portion, wherein the LED light source portion includes multiple LED light sources for being arranged into a row, each LED light source part
It is blocked by the baffle portion, the aspherical planoconvex spotlight portion includes tripping in optical plane and upper light-emitting surface, the freely song
Face lens section includes tripping in light free form surface and upper light extraction free form surface.
As a preferred embodiment of the utility model, the LED light source portion includes 6 LED light sources for being arranged into a row.
Bicycle headlamp compound lens provided by the utility model passes through baffle portion generation compared with the existing technology
Light blocking effect is managed, so that hot spot vertical direction is generated "cut-off"line, vertical direction low-angle light extraction, the above illumination of dead line is very
Weak, oncoming traffic or pedestrian do not feel as dazzle；By the combination in plano-convex non-spherical lens portion and free-form surface lens portion, increase
Large spot horizontal direction angle, to increase visual field width of riding.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is this
Some embodiments of utility model, for those of ordinary skill in the art, without creative efforts, also
It can be obtain other attached drawings according to these attached drawings.
The following drawings is only intended in doing schematic illustration and explanation to the utility model, does not limit the model of the utility model
It encloses.
Fig. 1 is the structural schematic diagram for the bicycle headlamp compound lens that the utility model embodiment provides；
Fig. 2 is the structural schematic diagram for the bicycle headlamp compound lens that the utility model embodiment provides；
Fig. 3 is the schematic cross-section in plano-convex non-spherical lens portion in the utility model embodiment；
Fig. 4 is the structural schematic diagram in free-form surface lens portion in the utility model embodiment；
Fig. 5 is the structural schematic diagram in free-form surface lens portion in the utility model embodiment.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Unless otherwise defined, the technical term or scientific terminology that the utility model uses are should be belonging to the utility model
The ordinary meaning that the personage with general technical ability is understood in field." first " that is used in the utility model, " second " and
Similar word is not offered as any sequence, quantity or importance, and is used only to distinguish different component parts.Equally,
"one", the similar word such as " one " or "the" do not indicate that quantity limits yet, but indicates that there are at least one." comprising " or
The similar word such as "comprising" means that the element or object that occur before the word cover the element for appearing in the word presented hereinafter
Either object and its equivalent and be not excluded for other elements or object.The similar word such as " connection " or " connected " not limits
Due to physics or mechanical connection, but may include electrical connection, either directly or indirectly."upper",
"lower", "left", "right" etc. are only used for indicating relative position relation, and after the absolute position for being described object changes, then this is opposite
Position relationship may also correspondingly change.
Embodiment
Please refer to Fig.1-Fig. 5, bicycle headlamp compound lens, including set gradually from the bottom up for emitting light
LED light source portion I, shield portions LED light source portion I for generating the baffle portion II of clearly "cut-off"line, for once matching
Light is to form the aspherical planoconvex spotlight portion III of circular light spot and for secondary light-distribution to reduce the free-form surface lens of dazzle
Portion IV, wherein LED light source portion I includes multiple LED light sources for being arranged into a row, and each LED light source part is hidden by baffle portion II
Gear, aspherical planoconvex spotlight portion III include tripping in optical plane 1 and upper light-emitting surface 2, and free-form surface lens portion IV includes tripping in
Light free form surface 3 and upper light extraction free form surface 4.
Among the above, specifically, LED light source portion I emits light for generating, II shield portions LED light source portion I of baffle portion, with
For generating clearly "cut-off"line, i.e. baffle portion II generates physics light blocking effect, and the hot spot vertical direction of outgoing is made to generate
"cut-off"line ensures the bicycle headlamp compound lens in vertical direction low-angle light extraction, and the above illumination of dead line is very
Weak, oncoming traffic or pedestrian do not feel as dazzle.
Plano-convex non-spherical lens portion III is plano-convex structure, including tripping in optical plane 1 and upper light-emitting surface 2, wherein is above gone out
Light curved surface is aspherical, for carrying out once light-distribution to the light entered from tripping in optical plane 1, i.e., light-emitting zone is controlled
To form circular light spot in a certain range, and the hot spot horizontal direction angle of outgoing can be increased, that is, ensure the bicycle headlamp
Wide-angle light extraction increases visual field width of riding to compound lens to improve illumination visual field width in the horizontal direction.
In free-form surface lens portion IV enter light free form surface 3 and upper light extraction free form surface 4 all be free form surface structure,
Can the circular light spot after once light-distribution be subjected to secondary light-distribution, generate clearly "cut-off"line, reduce dazzle so that go out
The finishing body penetrated meets bicycle headlamp requirement.
As a preferred embodiment of the utility model, LED light source portion I includes 6 LED light sources for being arranged into a row.
Among the above, specifically, upper and lower in the present embodiment is to being reference, the water in the present embodiment with Fig. 1 or Fig. 2
Flat, vertical direction when cycling to refer to.
Bicycle headlamp compound lens provided by the utility model passes through baffle portion generation compared with the existing technology
Light blocking effect is managed, so that hot spot vertical direction is generated "cut-off"line, vertical direction low-angle light extraction, the above illumination of dead line is very
Weak, oncoming traffic or pedestrian do not feel as dazzle；By the combination in plano-convex non-spherical lens portion and free-form surface lens portion, increase
Large spot horizontal direction angle, to increase visual field width of riding.
There is the following to need to illustrate：
(1) unless otherwise defined, in the embodiments of the present invention and attached drawing, same label represents same meaning.
(2) in the utility model embodiment attached drawing, the structure being related to the utility model embodiment is related only to, other
Structure, which can refer to, to be commonly designed.
(3) for clarity, in the attached drawing for describing the embodiments of the present invention, the thickness quilt in layer or region
Amplification.It is appreciated that when the element of such as layer, film, region or substrate etc is referred to as being located at "above" or "below" another element,
The element " direct " can be located at "above" or "below" another element, or may exist intermediary element.
(4) in the absence of conflict, the feature in the same embodiment of the utility model and different embodiment can phase
Mutually combination.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality
Any modification, equivalent replacement or improvement etc., should be included in the guarantor of the utility model made by within novel spirit and principle
Within the scope of shield.
Claims (2)
1. bicycle headlamp compound lens, which is characterized in that including the LED light for emitting light set gradually from the bottom up
LED light source portion described in source portion, shield portions for generates clearly the baffle portion of "cut-off"line, be used for once light-distribution with shape
At the aspherical planoconvex spotlight portion of circular light spot and for the free-form surface lens portion of secondary light-distribution, wherein the LED light source
Portion includes multiple LED light sources for being arranged into a row, and each LED light source part is blocked by the baffle portion, described aspherical
Planoconvex spotlight portion includes tripping in optical plane and upper light-emitting surface, the free-form surface lens portion include tripping in light free form surface with
And upper light extraction free form surface.
2. bicycle headlamp compound lens as described in claim 1, which is characterized in that the LED light source portion includes 6 rows
The LED light source that cloth is arranged at one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820033630.2U CN207702375U (en) | 2018-01-09 | 2018-01-09 | Bicycle headlamp compound lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820033630.2U CN207702375U (en) | 2018-01-09 | 2018-01-09 | Bicycle headlamp compound lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207702375U true CN207702375U (en) | 2018-08-07 |
Family
ID=63034779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820033630.2U Active CN207702375U (en) | 2018-01-09 | 2018-01-09 | Bicycle headlamp compound lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207702375U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332497A (en) * | 2019-08-07 | 2019-10-15 | 厦门瑞律光电有限公司 | A kind of light fixture |
| CN110375262A (en) * | 2019-08-15 | 2019-10-25 | 嘉善声光电子有限公司 | A kind of illumination light distribution system of bicycle lamp and bicycle lamp |
| EP3778359A1 (en) * | 2019-08-15 | 2021-02-17 | Jiashan Shengguang Electronics Co., Ltd. | Bicycle light distribution system and bicycle light having such a bicycle light distribution system |
-
2018
- 2018-01-09 CN CN201820033630.2U patent/CN207702375U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332497A (en) * | 2019-08-07 | 2019-10-15 | 厦门瑞律光电有限公司 | A kind of light fixture |
| CN110332497B (en) * | 2019-08-07 | 2024-02-20 | 厦门瑞律光电有限公司 | Lighting assembly |
| CN110375262A (en) * | 2019-08-15 | 2019-10-25 | 嘉善声光电子有限公司 | A kind of illumination light distribution system of bicycle lamp and bicycle lamp |
| EP3778359A1 (en) * | 2019-08-15 | 2021-02-17 | Jiashan Shengguang Electronics Co., Ltd. | Bicycle light distribution system and bicycle light having such a bicycle light distribution system |
| CN110375262B (en) * | 2019-08-15 | 2024-05-24 | 嘉善声光电子有限公司 | Lighting and light distribution system of bicycle lamp and bicycle lamp |
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