CN207364961U - A kind of light source module - Google Patents
A kind of light source module Download PDFInfo
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- CN207364961U CN207364961U CN201720600803.XU CN201720600803U CN207364961U CN 207364961 U CN207364961 U CN 207364961U CN 201720600803 U CN201720600803 U CN 201720600803U CN 207364961 U CN207364961 U CN 207364961U
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- light
- reflector
- lamp source
- lamp
- reflective surface
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Abstract
It the utility model is related to a kind of light source module, reflector including lamp cap, in lamp cap, the diffuser for being located at reflector opening and the lamp source positioned at the bottom of reflector, light more than the lamp source trunnion axis, a part is reflected into parallel rays or downward light through reflector, and another part is reflected into parallel rays through diffuser；Light below the lamp source trunnion axis, a part are reflected into parallel rays through reflector, and another part is directly projected through diffuser.Emergent light is not inclined upwardly injection, can effectively avoid the passerby to coming head-on or bicyclist from producing glare, cause driving dangerous.In addition, lamp source is installed on the bottom of reflector, rather than side, this mounting structure have enough spaces to provide radiating subassembly for light source, and more preferable radiating treatment is obtained easy to lamp source.
Description
Technical field
Lighting technical field is the utility model is related to, especially a kind of light source module.
Background technology
Bicycle has extensive audience, and recently as energy-saving and emission-reduction, the consciousness of low-carbon environment-friendly deepens continuously people
The heart, bicycle become the walking-replacing tool of the daily Working Life of more people again.Since bicycle is not generally equipped with car light, ride
Passerby need extra purchase installation bicycle lamp so as to provided when riding at night it is necessary illumination come see front road conditions
And pedestrian on road is reminded, increase the security of bicyclist and passerby.
If Fig. 1 is a kind of common bicycle lamp, it directly uses reflector or optics of lens module in flashlight.This
The main spot of the bicycle lamp of sample is the circular light spot of a convergence, it is impossible to road is effectively illuminated, in addition, so
Bicycle lamp there is a part of acclivitous light, it is easy to the passerby to come head-on or bicyclist are produced and dazzled
Light, causes driving dangerous.
If Fig. 2 is another common bicycle lamp, it is the top that illuminator is placed in reflective glass component, is shone
The optical axis of body is vertically downward.Such optical module can make the hot spot with dead line, effectively prevent dazzling generation,
But illuminator is placed on the surface of reflective glass component, it is unfavorable for structure sometimes and radiating treatment is carried out to luminous component.
Utility model content
The technical problems to be solved in the utility model is, there is provided a kind of light source module, has good thermal diffusivity, at the same time
It can effectively avoid the passerby to coming head-on or bicyclist from producing glare, cause driving dangerous.
Technical solution is used by the utility model solves its technical problem：A kind of light source module is provided, including lamp cap,
Reflector in lamp cap, the diffuser for being located at reflector opening and the lamp source positioned at the bottom of reflector, institute
Light more than lamp source trunnion axis is stated, a part is reflected into parallel rays or downward light through reflector, and another part is through printing opacity
Cover is reflected into parallel rays；Light below the lamp source trunnion axis, a part are reflected into parallel rays, another portion through reflector
Lease making diffuser directly projects.
Further, the lamp source is arranged on more than the geometrical central axis of reflector, lamp source trunnion axis and optical axis coincidence, and
It is parallel with central shaft.
Further, the lamp source is arranged on more than the geometrical central axis of reflector, its optical axis intersects with central shaft, lamp source
Trunnion axis is parallel with central shaft.
Further, the light-emitting surface of the diffuser is divided into upper light-emitting surface and lower light-emitting surface with lamp source trunnion axis, it is described on
Light-emitting surface is with reflective functions, outwardly curved surface, and the lower light-emitting surface is the plane of direct printing opacity；The upper light-emitting surface
It will be reflected directly from the acclivitous light of lamp source into parallel rays.
Further, the light-emitting surface of the diffuser gradually slopes inwardly from top to bottom, and the thickness of light-emitting surface is more than thereon
The thickness of lower light-emitting surface.
Further, the reflector includes the first surface and the second curved surface being mutually fitted, and the first surface is throwing
Thing type reflective surface or free form surface, the lamp source are located in first surface, and second curved surface includes reflecting lamp source light
The lower reflective surface of horizontal light is reflected into the upper reflective surface of downward light and by lamp source light.
Further, second curved surface further includes left reflective surface and right reflective surface, the upper reflective surface, left reflective surface and
Right reflective surface is plane, and the lower reflecting surface is curved surface；The cross sectional shape of the reflector is by three straight lines and a curve structure
Into wherein three straight lines correspond to the upper reflective surface, left reflective surface and right reflective surface respectively, curve corresponds to the lower reflective surface.
Further, the reflector is symmetrical on the basis of lamp source trunnion axis, and the lower reflective surface is by least two
Curved surface is formed.
Further, the reflector further includes reflective boss, and the reflective boss is arranged in reflector, and respectively with
The first surface, upper reflective surface, left reflective surface and the connection of right reflective surface；It is provided with reflective boss coaxial with first surface
The 3rd curved surface, the light of lamp source trunnion axis or so is reflected into parallel rays by the 3rd curved surface.
Further, the 3rd curved surface is located at more than lamp source trunnion axis.
Relative to the prior art, a kind of light source module provided by the utility model, light more than its lamp source trunnion axis, one
Part is reflected into downward light through reflector, and another part is reflected into parallel rays through diffuser；Below the lamp source trunnion axis
Light, a part through reflector is reflected into parallel rays, and another part is directly projected through diffuser.Make emergent light not to updip
Slant out, can effectively avoid the passerby to coming head-on or bicyclist from producing glare, cause driving dangerous.In addition, lamp source is installed
In the bottom of reflector, rather than side, this mounting structure has enough spaces to provide radiating subassembly for light source, easy to lamp source
Obtain more preferable radiating treatment.
Brief description of the drawings
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing：
Fig. 1 is reflector schematic diagram commonly used in the prior art；
Fig. 2 is a kind of to avoid producing the schematic diagram for dazzling the eyes radiant and reflector to set in the prior art；
Fig. 3 is the application schematic diagram of the utility model light source module；
Fig. 4 is the light path schematic diagram of reflector in Fig. 3；
Fig. 5 is the utility model reflector schematic perspective view；
Fig. 6 is reflector schematic front view in Fig. 5；
Fig. 7 be in the utility model optical axis and reflector geometric center into angle schematic diagram.
Embodiment
In conjunction with attached drawing, the preferred embodiment to the utility model elaborates.
As shown in Figures 3 and 4, a kind of light source module provided by the utility model, including electric control part 10, fixed part 20, lamp cap
30 and the reflector 40 in lamp cap 30, it is located at the diffuser 50 of 40 opening of reflector and positioned at reflector
The lamp source 60 of bottom.Electric control part 10 includes shell 11 and battery (being to show in figure) and circuit board in shell 11,
Lamp cap 30 is installed on shell 11, and 20 one end of fixed part is fixed on shell 11, and the other end is adjustable to be clamped on bicycle.
The light of more than lamp source trunnion axis A, a part is reflected into parallel rays a or downward light b through reflector 40, another
Part reflects into parallel rays c through diffuser 50.The light of below lamp source trunnion axis A, a part are reflected into flat through reflector 40
Row light d, another part directly project e through diffuser 50.Emergent light is not inclined upwardly injection, can effectively avoid to head-on and
The passerby or bicyclist come produces glare, causes driving dangerous.In addition, lamp source is installed on the bottom of reflector, rather than side,
This mounting structure has enough spaces to provide radiating subassembly for light source, and more preferable radiating treatment is obtained easy to lamp source.
In the present embodiment, lamp source 60 is arranged on more than the geometrical central axis B of reflector 40, lamp source trunnion axis A and optical axis
Overlap, and it is parallel with central shaft B.So 60 acclivitous light of lamp source can be more reflected down away by reflector 40,
Advantageously reduce the light for the injection that is inclined upwardly.
Specifically, the light-emitting surface of diffuser 50 is divided for upper light-emitting surface 51 and lower light-emitting surface 52 with lamp source trunnion axis A.Upper light extraction
Face 51 is with reflective functions, outwardly curved surface, and lower light-emitting surface 52 is the plane of direct printing opacity.Upper light-emitting surface 51 will be direct
Reflected from the acclivitous light of lamp source into parallel rays c.Since lower light-emitting surface 52 is plane, so by lower light-emitting surface 52
Light do not change direction.In the present embodiment, the light-emitting surface of diffuser 50 gradually slopes inwardly from top to bottom, thereon light-emitting surface
51 thickness is more than the thickness of lower light-emitting surface 52, and angle of inclination is configured according to actual needs.Diffuser 50 is saturating by optical grade
Luminescent material is made, such as PMMA, PC, glass etc..
As it can be seen in figures 5 and 6, reflector 40 includes 41 and second curved surface 42 of first surface being mutually fitted.First surface 41
For parabolic type reflective surface or free form surface, lamp source 60 is located in first surface 41, and first surface 41 can be by the light of lamp source 60
It is reflected into parallel rays a.Second curved surface 42 includes lamp source light being reflected into the upper reflective surface 1 of downward light b and by lamp source
Light is reflected into the lower reflective surface 2 of horizontal light d.Second curved surface 42 further includes left reflective surface 3 and right reflective surface 4, upper reflective surface
1st, left reflective surface 3 and right reflective surface 4 are plane, and lower reflecting surface 2 is curved surface.In the present embodiment, the cross sectional shape of reflector 40
It is made of three straight lines and a curve, wherein three straight lines correspond to upper reflective surface 1, left reflective surface 3 and right reflective surface 4 respectively,
Curve corresponds to lower reflective surface 2.The hot spot with dead line can be so obtained, easy to effectively be illuminated to reason.
Specifically, reflector 40 is symmetrical on the basis of lamp source trunnion axis A, and lower reflective surface 2 is by least two curved surface structures
Into.In the present embodiment, lower reflective surface 2 is made of four curved surfaces, and when curved surface is more, the area of each curved surface is smaller, passes through tune
Each is saved compared with the shooting angle that the curved surface of small area makes its light reflected reach design, so as to fulfill finer to emergent light
Adjust, the hot spot effect designed is more preferable.
Further, reflector 40 further includes reflective boss 43, and reflective boss 43 is arranged in reflector 40, and respectively with
First surface 41, upper reflective surface 1, left reflective surface 3 and right reflective surface 4 connect.It is provided with reflective boss 43 and first surface
The light of lamp source trunnion axis A or so is reflected into parallel rays by 41 the 3rd coaxial curved surfaces 44, the 3rd curved surface 44.Lamp can so be made
The light of source trunnion axis A or so is converged in the hot spot with dead line, improves hot spot brightness.
In the present embodiment, the 3rd curved surface 44 is located at more than lamp source trunnion axis A.Reflective surface 2 is so descended there are enough spaces
To carry out optical design, be conducive to structure design, reduce the difficulty of structure processing and assembling.3rd curved surface 44 is reflective for parabolic type
Face or free form surface.In addition, the outer wall of reflector 40 is additionally provided with snap-gauge 45, reflector 40 is fixed on lamp cap 30 by snap-gauge 45
On.
In other embodiments, lamp source 60 is arranged on more than the geometrical central axis of reflector 40, its optical axis and central shaft B phases
Hand over, lamp source trunnion axis A (as shown in Figure 7) parallel with central shaft B.By the shape and diffuser 50 that control reflector section
Refraction, by calculating, can also obtain that other people will not be caused glare and carry dead line hot spot.
It is noted that know emergent ray shooting angle, on the refractive index of light-emitting surface 51, eye point position
In the case of, by calculating the reflection point position that can also draw on reflector 40, and then obtain the shape of reflector 40.
When understanding, above example is only to illustrate the technical solution of the utility model, rather than its limitations, to this
For field technology personnel, it can modify to the technical solution described in above-described embodiment, or to which part technology
Feature carries out equivalent substitution；And all such modifications and replacement, it should all belong to the protection model of the appended claims for the utility model
Enclose.
Claims (10)
1. a kind of light source module, including lamp cap, the reflector in lamp cap, be located at the diffuser of reflector opening with
And the lamp source positioned at the bottom of reflector, it is characterised in that light more than the lamp source trunnion axis, a part are anti-through reflector
Parallel rays or downward light are penetrated into, another part is reflected into parallel rays through diffuser；Light below the lamp source trunnion axis
Line, a part are reflected into parallel rays through reflector, and another part is directly projected through diffuser.
2. light source module according to claim 1, it is characterised in that the lamp source is arranged on the geometrical central axis of reflector
More than, lamp source trunnion axis and optical axis coincidence, and it is parallel with central shaft.
3. light source module according to claim 1, it is characterised in that the lamp source is arranged on the geometrical central axis of reflector
More than, its optical axis intersects with central shaft, and lamp source trunnion axis is parallel with central shaft.
4. light source module as claimed in any of claims 1 to 3, it is characterised in that the light-emitting surface of the diffuser
Upper light-emitting surface and lower light-emitting surface are divided into lamp source trunnion axis, the upper light-emitting surface be with reflective functions, outwardly curved surface,
The lower light-emitting surface is the plane of direct printing opacity；The upper light-emitting surface will be reflected directly from the acclivitous light of lamp source into flat
Row light.
5. light source module according to claim 4, it is characterised in that the light-emitting surface of the diffuser from top to bottom gradually to
Tilted, the thickness of light-emitting surface is more than the thickness of lower light-emitting surface thereon.
6. light source module according to claim 4, it is characterised in that the reflector includes the first surface being mutually fitted
With the second curved surface, the first surface is parabolic type reflective surface or free form surface, and the lamp source is located in first surface, described
Second curved surface includes lamp source light is reflected into the upper reflective surface of downward light and lamp source light is reflected into horizontal light
Lower reflective surface.
7. light source module according to claim 6, it is characterised in that second curved surface further includes left reflective surface and the right side is anti-
Smooth surface, the upper reflective surface, left reflective surface and right reflective surface are plane, and the lower reflecting surface is curved surface；The reflector is cut
Face shape is made of three straight lines and a curve, wherein three straight lines correspond to the upper reflective surface, left reflective surface and the right side respectively
Reflective surface, curve correspond to the lower reflective surface.
8. light source module according to claim 7, it is characterised in that reflector left and right on the basis of lamp source trunnion axis
Symmetrically, the lower reflective surface is made of at least two curved surfaces.
9. light source module according to claim 7, it is characterised in that the reflector further includes reflective boss, described anti-
Light boss is arranged in reflector, and is connected respectively with the first surface, upper reflective surface, left reflective surface and right reflective surface；
Threeth curved surface coaxial with first surface is provided with reflective boss, the 3rd curved surface is anti-by the light of lamp source trunnion axis or so
Penetrate into parallel rays.
10. light source module according to claim 9, it is characterised in that the 3rd curved surface is located at more than lamp source trunnion axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720600803.XU CN207364961U (en) | 2017-05-26 | 2017-05-26 | A kind of light source module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720600803.XU CN207364961U (en) | 2017-05-26 | 2017-05-26 | A kind of light source module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207364961U true CN207364961U (en) | 2018-05-15 |
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ID=62423893
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720600803.XU Active CN207364961U (en) | 2017-05-26 | 2017-05-26 | A kind of light source module |
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| Country | Link |
|---|---|
| CN (1) | CN207364961U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989344A (en) * | 2017-05-26 | 2017-07-28 | 深圳市朗恒电子有限公司 | A kind of light source module |
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2017
- 2017-05-26 CN CN201720600803.XU patent/CN207364961U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989344A (en) * | 2017-05-26 | 2017-07-28 | 深圳市朗恒电子有限公司 | A kind of light source module |
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Address after: 518000 2 / F and 3 / F, west side of building a, Xinghong science and Technology Park, 111 Reservoir Road, fenghuanggang community, Xixiang street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen langheng Lighting Technology Co.,Ltd. Address before: 8 / F, building 2, dongfangming industrial city, 83 Dabao Road, Xin'an 33 District, Bao'an District, Shenzhen, Guangdong 518000 Patentee before: SHENZHEN LANGHENG ELECTRICAL Co.,Ltd. |