CN207729314U - A kind of laser street lamp reflecting closure assembly - Google Patents
A kind of laser street lamp reflecting closure assembly Download PDFInfo
- Publication number
- CN207729314U CN207729314U CN201721426629.8U CN201721426629U CN207729314U CN 207729314 U CN207729314 U CN 207729314U CN 201721426629 U CN201721426629 U CN 201721426629U CN 207729314 U CN207729314 U CN 207729314U
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- CN
- China
- Prior art keywords
- rake
- street lamp
- reflector
- closure assembly
- lamp reflecting
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- 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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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
A kind of laser street lamp reflecting closure assembly, the integrated device being made of reflector, reflective surface portion and rake；It is coated with minute surface on the inside of rake, includes the rake I, rake II and the rake III with reflective surface portion opposite of connection adjacent with reflective surface portion；It is 35 °~40 ° that rake I is angled with reflector central shaft institute, and it is 10 °~15 ° that rake II is angled with reflector central shaft, and it is 65 °~70 ° that rake III is angled with reflector central shaft institute.The advantageous effect that the utility model laser street lamp reflecting closure assembly is reached：Of low cost, it not only makes laser utilization up to 92.5%, but also reasonable design, structure are beautiful and light is evenly distributed, good illumination effect.
Description
Technical field
The utility model is related to a kind of lighting device, especially a kind of laser street lamp reflecting closure assembly.
Background technology
On December 8th, 2014, Nobel Prize in physics winner's Shuji Nakamura are held in Stockholm Univ Sweden
The Nobel Prize is commemorated to be pointed out in speech, and semiconductor laser illumination is the developing direction of the following illumination.Because there is " light in blue led
Effect declines " problem, high brightness, is just more difficult to improve efficiency.And this problem is not present in laser lighting, and laser lighting has
There is brightness height, good directionality, irradiation distance is remote, energy consumption is extremely low, efficient, controllability is good and does not have any injury etc. to human eye
Advantage.Therefore, Shuji Nakamura is, it is expected that laser lighting replaces LED illumination in the future.It is contemplated that with the continuous maturation of technology,
Cost will be reduced constantly, and blue semiconductor laser will largely replace common electric light source and LED in the near future, become illumination
New main force's light source in field.
Existing lamp post structure, a kind of laser road lamp system as described in number of patent application is CN201620545562.9,
Reflector in its structure for the illuminating ray that excite fluorescent material and irradiates on the fluorescent substance but unawakened light
The rim of a bowl of reflector is reflected jointly, does not carry out the design of lighting effect, and it is circular light spot to send out light, and road is strip
Shape, there is the deficiencies that laser beam cannot be fully used.According to devices such as other lens, then increases and be produced into
This.
In short, there is the insufficient deficiencies of light-use for existing laser street lamp reflecting closure assembly, and if carrying out lens
Light can also increase cost input.
Utility model content
The purpose of this utility model is to provide a kind of low-cost laser street lamp reflecting closure assembly, it not only makes laser sharp
With rate up to 92.5%, and reasonable design, structure are beautiful and light is evenly distributed, good illumination effect.
The purpose of this utility model is that technical solution in this way is realized, a kind of low-cost laser street lamp reflecting
Closure assembly, the integrated device being made of reflector, reflective surface portion and rake；It is coated with minute surface on the inside of rake,
Include the rake I, rake II and the rake III with reflective surface portion opposite of connection adjacent with reflective surface portion；It tilts
It is 35 °~40 ° that portion I is angled with reflector central shaft institute, and it is 10 °~15 ° that rake II is angled with reflector central shaft,
It is 65 °~70 ° that rake III is angled with reflector central shaft.
In the present invention, the one that laser street lamp reflecting shade is made of reflector, reflective surface portion and rake
Formula device ensure that integrally-built do not fall off；It is coated with minute surface on the inside of rake, ensure that the reflection of laser beam is sharp
With, ensure that luminous energy maximum reflection utilize；It is 35 °~40 ° that rake I is angled with reflector central shaft, rake II
Angled with reflector central shaft institute is 10 °~15 °, and it is 65 °~70 ° that rake III is angled with reflector central shaft institute, is protected
The utilization rate of laser beam is demonstrate,proved.
By adopting the above-described technical solution, the utility model has the following advantages：Of low cost, it not only makes laser
Utilization rate is up to 92.5%, and reasonable design, structure are beautiful and light is evenly distributed, good illumination effect.
Description of the drawings
The description of the drawings of the utility model is as follows：
Fig. 1 is a kind of structural schematic diagram of the utility model；
Fig. 2 is a kind of reflective light path schematic diagram of the utility model；
Fig. 3 is a kind of reflective surface portion cross section curve schematic diagram of the utility model；
Fig. 4 is a kind of laser road lamp device schematic diagram of the utility model；
Fig. 5 is second of laser road lamp device schematic diagram of the utility model；
Fig. 6 hot spot distribution schematic diagrams far from viewing surface at 10 meters of lamp cap that are the utility model；
Fig. 7 is the grid that hot spot is divided into 11*9 in Fig. 6, a kind of schematic diagram of the average illumination of each grid.
In figure：1. reflector；2. reflective surface portion；3. rake I；4. rake II；5. rake III；6. fluorescent powder device
Part；7. laser street lamp reflecting shade；8. tangent line；9. light beam.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and examples：
As shown in Figure 1, a kind of laser street lamp reflecting closure assembly, laser street lamp reflecting shade 7 is by reflector 1, reflective surface
The integrated device in portion 2 and rake composition；It is coated with minute surface on the inside of rake, includes connection adjacent with reflective surface portion 2
Rake I 3, rake II 4 and the rake III 5 with 2 opposite of reflective surface portion；Rake I 3 and 1 central shaft institute of reflector
Angled is 35 °~40 °, and it is 10 °~15 ° that rake II 4 is angled with reflector 1 central shaft, rake III 5 and reflector
Angled 1 central shaft institute is 65 °~70 °.
In the present invention, laser street lamp reflecting shade 7 be made of reflector 1, reflective surface portion 2 and rake one
Body formula device ensure that integrally-built do not fall off；It is coated with minute surface on the inside of rake, ensure that the reflection of laser beam is sharp
With, ensure that luminous energy maximum reflection utilize；It is 35 °~40 ° that rake I 3 is angled with reflector central shaft, rake II
4 it is angled with reflector central shaft institute be 10 °~15 °, it is 65 °~70 ° that rake III 5 is angled with reflector central shaft institute,
It ensure that the utilization rate of laser beam.
As shown in Figures 2 and 3, the cross section curve formula of reflector 1 is y=1/3.6* (x-0.95) 2, wherein 2 ＜ x ＜
3.43。
Further, in order to enable laser is injected in reflector 1,1 inlet diameter of reflector is 4mm.
As shown in figure 3, the cross section curve in reflective surface portion 2 meets formula：Alpha+beta=120 °, tan β=Δ y/ Δs x, tan α=y/
X, wherein 1 ＜ x ＜ 5, α are 1 central point of reflector to the incident ray of cross section curve and the angle of horizontal plane, and β is incident point
The tangent line for the cross section curve set and the angle of horizontal plane, Δ x and Δ y are the horizontal plane projection of cross section curve 1/n length and vertical
Face projects, and 1/n length distances are a line segments being substantially equal on cross section curve a little.
As shown in Figure 1, rake I 3 and/or II 4 inside of rake are equipped with arc surface；Arc surface can make light to both sides
Intermediate light is diffused into both sides by diffusion, is eliminated intermediate speck, is helped to improve uniformity.
Further, in order to avoid loss increases or lighting effect unobvious, the radius of each circular arc in arc surface exists
Between 0.4~1mm.
Further, fluorescent powder device 6 is fixed in glow cup 1, fluorescent powder device 6 can directly receive laser light
Beam, 9 excitated fluorescent powder device 6 of 450nm semiconductor laser beams send out required light source.
As shown in figure 4, a kind of laser road lamp device, the reflective surface portion 2 of two laser street lamp reflecting shades 7 is close in symmetrical
Arrangement.
As shown in figure 5, in order to increase luminous flux, laser street lamp reflecting shade 7 is arranged in 4 row, two row mode；It certainly can be with
Method increases laser optical path and laser street lamp reflecting shade 7 to increase luminous flux according to this.
Fig. 6 hot spot distribution schematic diagrams far from viewing surface at 10 meters of lamp cap that are laser street lamps, in Fig. 7, g1 is average illumination
Divided by maximal illumination, g2 are minimal illumination divided by maximal illumination, m is the rice number of the point of observation on road surface；By number in Fig. 6 combinations Fig. 7
According to it is found that its road surface minimum value be 18.9Lx, maximum value 34.7Lx, average value 25.9Lx, luminous flux/emitting light flux
0.92515；And by data it is found that the efficiency of light energy utilization of the utility model is up to 92.5%, and light beam is soft uniformly.
Claims (7)
1. a kind of laser street lamp reflecting closure assembly, it is characterised in that：Laser street lamp reflecting shade（7）It is by reflector（1）, reflective song
Face（2）With the integrated device of rake composition；Be coated with minute surface on the inside of rake, including with reflective surface portion（2）It is adjacent
The rake I of connection（3）, rake II（4）And with reflective surface portion（2）The rake III on opposite（5）；Rake I（3）With
Reflector（1）Angled central shaft institute is 35 °~40 °, rake II（4）With reflector（1）It is 10 ° that central shaft institute is angled~
15 °, rake III（5）With reflector（1）Angled central shaft institute is 65 °~70 °.
2. laser street lamp reflecting closure assembly according to claim 1, it is characterised in that：Reflector（1）Cross section curve it is public
Formula is y=1/3.6* (x-0.95) 2, wherein 2 ＜ x ＜ 3.43.
3. laser street lamp reflecting closure assembly according to claim 2, it is characterised in that：Reflector（1）Inlet diameter is
4mm。
4. laser street lamp reflecting closure assembly according to claim 1, it is characterised in that：Reflective surface portion（2）Section it is bent
Line meets formula：Alpha+beta=120 °, wherein, 1 ＜ x ＜ 5, α is reflector to tan β=Δ y/ Δs x, tan α=y/x（1）Central point to cut
The incident ray of surface curve and the angle of horizontal plane, β are the angle of the tangent line and horizontal plane of the cross section curve of incidence point position, Δ
X and Δ y is horizontal plane projection and the vertical plane projection of cross section curve 1/n length, and 1/n length distances are infinitely become on cross section curve
It is bordering on a line segment a little.
5. laser street lamp reflecting closure assembly according to claim 1, it is characterised in that：Rake I（3）And/or rake
Ⅱ（4）Inside is equipped with arc surface.
6. laser street lamp reflecting closure assembly according to claim 5, it is characterised in that：Half of each circular arc in arc surface
Diameter is between 0.4~1mm.
7. laser street lamp reflecting closure assembly according to claim 1, it is characterised in that：Glow cup（1）It is inside fixed with glimmering
Light powder device（6）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721426629.8U CN207729314U (en) | 2017-10-31 | 2017-10-31 | A kind of laser street lamp reflecting closure assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721426629.8U CN207729314U (en) | 2017-10-31 | 2017-10-31 | A kind of laser street lamp reflecting closure assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207729314U true CN207729314U (en) | 2018-08-14 |
Family
ID=63091261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721426629.8U Expired - Fee Related CN207729314U (en) | 2017-10-31 | 2017-10-31 | A kind of laser street lamp reflecting closure assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207729314U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606540A (en) * | 2017-10-31 | 2018-01-19 | 重庆光遥光电科技有限公司 | A kind of laser street lamp reflecting closure assembly |
-
2017
- 2017-10-31 CN CN201721426629.8U patent/CN207729314U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606540A (en) * | 2017-10-31 | 2018-01-19 | 重庆光遥光电科技有限公司 | A kind of laser street lamp reflecting closure assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20191030 Granted publication date: 20180814 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20221030 Granted publication date: 20180814 |
|
| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180814 |
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| CF01 | Termination of patent right due to non-payment of annual fee |