CN207716175U - A kind of laser street lamp - Google Patents
A kind of laser street lamp Download PDFInfo
- Publication number
- CN207716175U CN207716175U CN201721426198.5U CN201721426198U CN207716175U CN 207716175 U CN207716175 U CN 207716175U CN 201721426198 U CN201721426198 U CN 201721426198U CN 207716175 U CN207716175 U CN 207716175U
- Authority
- CN
- China
- Prior art keywords
- lens
- light
- shell
- street lamp
- face
- 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.)
- Expired - Fee Related
Links
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
A kind of laser street lamp, including it is sequentially connected fixed optical fiber, shell I, lens combination, fixing device, fluorescent powder device, reflector, light-distribution lens and gland；Optical fiber light extraction end is fixed in fixing shell, and lens combination is fixed in fixing device；Fluorescent powder device is fixed in fixing device, and light-distribution lens are fixed in fixing device by gland.The utility model has the beneficial effects that：Not only light loss is small, assembling is simple, easy to maintain, and can irradiate the soft uniform light for being conducive to human eye, and the utilization rate of whole luminous energy is up to 90%, has saved the energy.
Description
Technical field
The utility model is related to a kind of lighting technical fields, and in particular to a kind of laser street lamp.
Background technology
It is wide with light emitting diode (LightEmittingDiode, LED) and laser diode (LaserDiode, LD)
General application, the fluorescence generated by LASER Excited Fluorescence powder also gradually come into one's own as the lighting device of light source.Swashed using laser
The laser lighting device for the white light that the powder that fluoresces generates also is further developed.
In street lighting aspect, although LED has many advantages, such as long lifespan, energy conservation and environmental protection.Secondary optical design is to determine LED
The distribution curve flux of street lamp, an important technology of output light efficiency, the uniformity and glare index.It is most on existing market
The photometric distribution of high power white LED is youth's uncle's distribution, hot spot be it is circular, beam angle at peak light intensity half position it is complete
Width is about 120 °, if the light distribution for not passing through secondary optics designs, it can be " a circle to impinge upon the hot spot on road
The hot spot of cake ", approximately half of left and right can be scattering into except road and slattern, and the intermediate of hot spot can be brighter, arrives surrounding
Can be gradually dimmed, after this lamp is on road, apparent light and dark hot spot distribution can be formed between street lamp, to department
Machine causes visual fatigue, causes accident.
Existing street lamp laser application aspect, the application of the white light that LASER Excited Fluorescence powder generates also growing up slowly.
A kind of new pattern laser street lamp as described in number of patent application CN201710206197.8, including lamp housing, heat dissipation baffle, laser lighting
Module and light transmission mask, lamp housing and heat dissipation baffle combination form a cavity, and heat dissipation baffle is connected with light transmission mask, light transmission mask
It is arranged with one or more laser lighting modules.Laser lighting module includes optical device and holder, and optical device is fixed on
On holder.Optical device includes the laser light source being sequentially fixed at from the bottom up on holder, collimating lens, focusing lens, fluorescence
Arogel piece, secondary light-distribution element TIR lens and diffraction optical element.Because by adjust secondary light-distribution element TIR lens with it is glimmering
The position of light arogel piece is effectively collected wide-angle divergent beams after total internal reflection, and this results in part light
The loss of beam；Collimation lens with the condenser lens is concentric places so that assembling is complicated；Optical device includes from the bottom up successively
Be fixed on holder because be fixed on holder and holder be an entirety, be not easy to safeguard.
In short, LED is during the use on street lamp, there are the wastings of resources, and easily cause visual fatigue；And it is existing sharp
The use of light path lamp, also because of its structure and using the reason of there are light beam loss, assembling is complicated, deficiency of not easy care.
Utility model content
The purpose of this utility model is just to provide a kind of laser street lamp, and not only light loss is small for it, assembling is simple, easy to maintain,
And the soft uniform light for being conducive to human eye can be irradiated, the utilization rate of whole luminous energy is up to 90%, has saved the energy.
The purpose of this utility model is that technical solution in this way is realized, it include be sequentially connected fixed optical fiber,
Shell I, lens combination, fixing device, fluorescent powder device, reflector, light-distribution lens and gland；Optical fiber light extraction end is fixed on fixation
In shell, lens combination is fixed in fixing device；Fluorescent powder device is fixed in fixing device, and gland fixes light-distribution lens
In fixing device.
In the utility model, optical fiber light extraction end is fixed in fixing shell, and lens combination is fixed in fixing device；Fluorescence
Powder device is fixed in fixing device, and light-distribution lens are fixed in fixing device by gland；The light beam that optical fiber is sent out passes through lens
Combination is penetrated after carrying out shaping on fluorescent powder device, and required hot spot is generated by light-distribution lens carry out light distribution.This reality
In novel, mutual to be connected and fixed relationship be matching detachable structure connection, and assembling is simple, easy to maintain；Lens combination
Laser beam is collimated with light-distribution lens, shaping and final light distribution, can irradiate be conducive to human eye it is soft uniformly
Light.
By adopting the above-described technical solution, the utility model has the following advantages：Not only light loss is small, assembling is simple,
It is easy to maintain, and the soft uniform light for being conducive to human eye can be irradiated, the utilization rate of whole luminous energy is up to 90%, has saved energy
Source.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the utility model laser street lamp.
Fig. 2 is a kind of exploded perspective view of the utility model laser street lamp.
Fig. 3 is a kind of schematic diagram of the utility model laser street lamp lens combination.
Fig. 4 is a kind of point range schematic diagram that the combination of the utility model laser street lamp lens generates hot spot.
Fig. 5 is hot spot distribution schematic diagram of the utility model laser street lamp far from viewing surface at 10 meters of lamp cap.
Fig. 6 is a kind of fluorescent powder device architecture schematic diagram of laser street lamp of the present invention.
1. optical fiber；2. shell I；3. lens combination；4. fixing device；5. fluorescent powder device；6. reflector；7. light distribution is saturating
Mirror；8. gland；9. internal thread, 10. lens I；11. lens II；12. protrusion；13. trim ring；14. shell II；15. fixing device
External member；16. external screw thread；17. protrusion；18. concave station；19. clamp；20. screw hole；21. groove；22. screw hole；23. threaded hole；
24. incidence surface；25. light-emitting surface.
Specific implementation mode
The utility model is further described with reference to the accompanying drawings and examples.
As depicted in figs. 1 and 2, the utility model laser street lamp, including it is sequentially connected fixed optical fiber 1, shell I 2, lens
Combination 3, fixing device 4, fluorescent powder device 5, reflector 6, light-distribution lens 7 and gland 8；1 light extraction end of optical fiber is fixed on shell I 2
Interior, lens combination 3 is fixed in fixing device 4；Fluorescent powder device 5 is fixed in fixing device 4, and gland 8 consolidates light-distribution lens 7
It is scheduled in fixing device 4.
In the utility model, optical fiber light extraction end is fixed in fixing shell, and lens combination is fixed in fixing device；Fluorescence
Powder device is fixed in fixing device, and light-distribution lens are fixed in fixing device by gland；The light beam that optical fiber is sent out passes through lens
Combination is penetrated after carrying out shaping on fluorescent powder device, and required hot spot is generated by light-distribution lens carry out light distribution.This reality
In novel, mutual to be connected and fixed relationship be matching detachable structure connection, and assembling is simple, easy to maintain；Lens combination
Laser beam is collimated with light-distribution lens, shaping and final light distribution, can irradiate be conducive to human eye it is soft uniformly
Light.
Further, 1 light extraction end of optical fiber grows I 2 interface 1mm-2mm of shell；Ensure light beam that laser is sent out for most
Good state.
Further, shell I 2 is in infundibulate, and inner surface is minute surface, and I 2 infundibulate light extraction end of shell is equipped with internal thread 9；By
It is 360 ° in the light that laser is sent out to shine, so I 2 inner surface of shell is minute surface, for reflecting light as much as possible, ensures luminous energy
Utilization rate.
As shown in figure 3, lens combination 3 includes lens I 10 and lens II 11；I 10 incidence surface of lens is collimation plane type, lens
I 10 light-emitting surfaces are that horizontal or vertical light-emitting directions face is recessed cylindrical mirror；The incidence surface and light-emitting surface of lens II 11 are Vertical Square
To for recessed cylindrical surface type, horizontal direction is convex cylindrical surface type, and face type is the face that vertical concave surface and horizontal convex surface are crossed to form.Light
Beam is sent out by light source through I 10 incidence surface of lens, since its incidence surface is collimation plane type, is sent out by light-emitting surface after light beam is collimated
Go out；I 10 light-emitting surface of lens is that horizontal or vertical light-emitting directions face is recessed cylindrical mirror, and the incidence surface and light-emitting surface of lens II 11 are
Vertical direction is recessed cylindrical surface type, and horizontal direction is convex cylindrical surface type, and face type is that vertical concave surface and horizontal convex surface are crossed to form
Face；Pass through the combination of I 10 light-emitting surface of lens and the incidence surface and light-emitting surface different sides type of lens II 11 so that light beam 2 is sent out
Hot spot it is uniform, while to light beam carry out shaping after use.
Further, it is recessed cylindrical surface type that the incidence surface of lens II 11 and light-emitting surface, which are horizontal direction, and vertical direction is
Convex cylindrical surface type, face type are the face that vertical concave surface and horizontal convex surface are crossed to form；Such design can meet more light
The design of the angle of beam meets higher shaping requirements.
Further, in vertical direction, I 10 second face vertical direction focal length of lens is fy1With II 11 vertical direction of lens
First face focal length fy2With II 11 second face vertical direction f of lensy3Light beam half angle that shines is changed into θ by superpositiony, (- 75 °
＜ θy75 ° of ＜)；D is lens thickness, and D is the interval between two lens；The optical interval of lens is Δ, then Δ=d-fy2+fy3,
fy＇=fy2fy3/ Δ, fy=fy1fy＇/fy1+fy＇-D,
Half a height of H of optical fiber hot spot after collimationy, then light-emitting angle θy=arctanHy/fy；
In the horizontal direction, II 11 the first face of horizontal direction f of lensx1With the second face of horizontal direction fx2By superposition, will change
Become luminous half angle, θ of horizontal direction of light beamx, (- 75 ° of ＜ θx75 ° of ＜), d is lens thickness.
The optical interval of lens is Δ, then Δ=d-fx1+fx2, fx=fx1fx2/ Δ,
Half a height of Hx of the hot spot after collimation of optical fiber 1, then light-emitting angle θy=arctanHx/fx。
As shown in fig. 6, fluorescent powder device 5 be it is arch-shaped, both ends be equipped with protrusion 12, the distance of two protrusions 12 with thoroughly
Mirror II 11 matches；The point range schematic diagram that arch-shaped lens combination as shown in fig. 4 generates hot spot matches, and has saved fluorescent powder
The cost of device 5, while the gap of both sides ensure that certain heat dissipation effect.
As depicted in figs. 1 and 2, fixing device 4 includes trim ring 13, shell II 14 and fixing device external member 15, outside trim ring 13
Portion is equipped with external screw thread 16, and 13 inner surface of trim ring is minute surface, and II 14 incident side of shell, which is equipped with, matches connection with I 2 internal thread 9 of shell
External screw thread 16 and the internal thread 9 that connection is matched with 13 external screw thread 16 of trim ring；Protrusion 17, trim ring 13 and protrusion are equipped in shell II 14
17 fix lens I 10；II 14 light emission side of shell be equipped with concave station 18, fixing device external member 15 be loop configuration, which is provided with
II 14 concave station of shell, 18 matched clamp 19；The protrusion 12 of fluorescent powder device 5 matches on lens II 11, fluorescent powder device 5
It is fixed in shell II 14 across fixing device external member 15.It ensure that the accuracy of single unit system, while multilayer screw thread makes
With making the assembling of whole laser street lamp simple, easy to maintain.
Further, 6 flare of reflector, 6 inner surface of reflector are minute surface, corresponding with shell II 14 of incident side
Match, is fixed together by screw and screw hole 20；6 inner surface of reflector is minute surface, ensure that the utilization rate of luminous energy.
Further, 6 light emission side of reflector is equipped with the gland 8 being fixed on light-distribution lens 7 in reflector 6 to match,
Gland 8 is hollow structure；6 vertical direction of reflector has twice groove 21, groove 21 to be equipped with the screw hole 22 of stationary gland 8.Spiral shell
Silk is fixed so that lamp cap is more firm, while the design of groove 21, does not influence the beauty of laser street lamp.
As shown in Fig. 2, shell I 2 is equipped with the threaded hole 23 for adjusting lens combination at a distance from optical fiber；Facilitate adjusting lens
At a distance from optical fiber.
As depicted in figs. 1 and 2, the incidence surface 24 of light-distribution lens 7 is free form surface, and light-emitting surface 25 is recessed cylinder.According to not
The effect of tabula rasa is adjusted with the demand of occasion.
As shown in figure 5, hot spot distribution schematic diagram of the laser street lamp far from viewing surface at 10 meters of lamp cap, minimum value are
6.5166e-0.14, maximum value 64.145, average value 8.8295, total light flux 211.91W, luminous flux/emitting light flux
0.92515；By Fig. 5 and data it is found that the efficiency of light energy utilization of the utility model is up to 90%, and light beam is soft uniformly.
Claims (12)
1. a kind of laser street lamp, it is characterised in that：Including being sequentially connected fixed optical fiber（1）, shell I（2）, lens combination（3）、
Fixing device（4）, fluorescent powder device（5）, reflector（6）, light-distribution lens（7）And gland（8）；Optical fiber（1）Light extraction end is fixed on
Shell I（2）It is interior, lens combination（3）It is fixed on fixing device（4）It is interior；Fluorescent powder device（5）It is fixed on fixing device（4）It is interior, pressure
Lid（8）By light-distribution lens（7）It is fixed on fixing device（4）It is interior.
2. laser street lamp according to claim 1, it is characterised in that：Optical fiber（1）Light extraction end grows shell I（2）Interface
1mm-2mm。
3. laser street lamp according to claim 1, it is characterised in that：Shell I（2）In infundibulate, inner surface is minute surface, outside
Shell I（2）Infundibulate light extraction end is equipped with internal thread（9）.
4. laser street lamp according to claim 1 or 2, it is characterised in that：Lens combination（3）Including lens I（10）With it is saturating
Mirror II（11）；Lens I（10）Incidence surface is collimation plane type, lens I（10）Light-emitting surface is that horizontal or vertical light-emitting directions face is recessed
Cylindrical mirror；Lens II（11）Incidence surface and light-emitting surface be vertical direction be recessed cylindrical surface type, horizontal direction be pillar face face
Type, face type are the face that vertical concave surface and horizontal convex surface are crossed to form.
5. laser street lamp according to claim 4, it is characterised in that：Lens II（11）Incidence surface and light-emitting surface be water
Square to for recessed cylindrical surface type, vertical direction is convex cylindrical surface type, and the vertical concave surface of face type and horizontal convex surface are crossed to form
Face；Such design can meet the design of the angle of more light beams to meet higher shaping requirements.
6. laser street lamp according to claim 5, it is characterised in that：In vertical direction, lens I（10）Second face is vertical
Direction focal length is fy1With lens II（11）The first face of vertical direction focal length fy2With lens II（11）Second face vertical direction fy3By
Light beam half angle that shines is changed into θ by superpositiony, (θy75 ° of ＜)；D is lens thickness, between D is between two lens
Every；The optical interval of lens is Δ, then Δ=d- fy2+ fy3, fy＇=fy2 fy3/ Δ, fy= fy1 fy＇/（fy1+ fy＇-D）,
Half a height of H of optical fiber hot spot after collimationy, then light-emitting angle θy=arctan（Hy/ fy）；
In the horizontal direction, lens II（11）The first face of horizontal direction fx1With the second face of horizontal direction fx2By superposition, will change
Luminous half angle, θ of the horizontal direction of light beamx , (), d is lens thickness；
The optical interval of lens is Δ, then Δ=d- fx1+ fx2, fx= fx1 fx2/ Δ,
Optical fiber（1）The half of hot spot a height of H after collimationx, then light-emitting angle θy=arctan（Hx/ fx）.
7. laser street lamp according to claim 1, it is characterised in that：Fluorescent powder device（5）To be arch-shaped, both ends are equipped with convex
Go out portion（12）, two protrusions（12）Distance and lens II（11）Match.
8. laser street lamp according to claim 1, it is characterised in that：Fixing device（4）Including trim ring（13）, shell II
（14）With fixing device external member（15）, trim ring（13）Outside is equipped with external screw thread（16）, trim ring（13）Inner surface is minute surface, shell II
（14）Incident side is equipped with and shell I（2）Internal thread（9）Match the external screw thread of connection（16）With with trim ring（13）External screw thread（16）
Internal thread with connection（9）；Shell II（14）It is interior to be equipped with protrusion（17）, trim ring（13）With protrusion（17）By lens I（10）It is fixed；
Shell II（14）Light emission side is equipped with concave station（18）, fixing device external member（15）For loop configuration, which is provided with and shell II（14）
Concave station（18）Matched clamp（19）；Fluorescent powder device（5）Protrusion（12）Matching is in lens II（11）On, fluorescent powder device
（5）Across fixing device external member（15）It is fixed on shell II（14）It is interior.
9. laser street lamp according to claim 1, it is characterised in that：Reflector（6）Flare, reflector（6）Interior table
Face is minute surface, incident side and shell II（14）Corresponding matching passes through screw and screw hole（20）It is fixed together.
10. the laser street lamp according to claim 1 or 9, it is characterised in that：Reflector（6）Light emission side, which is equipped with, to match
By light-distribution lens（7）It is fixed on reflector（6）Interior gland（8）, gland（8）For hollow structure；Reflector（6）Vertical direction has
Twice groove（21）, groove（21）Equipped with stationary gland（8）Screw hole（22）.
11. laser street lamp according to claim 1 or 3, it is characterised in that：Shell I（2）Be equipped with adjust lens combination with
The threaded hole of the distance of optical fiber（23）.
12. laser street lamp according to claim 1, it is characterised in that：Light-distribution lens（7）Incidence surface（24）For free song
Face, light-emitting surface（25）For recessed cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721426198.5U CN207716175U (en) | 2017-10-31 | 2017-10-31 | A kind of laser street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721426198.5U CN207716175U (en) | 2017-10-31 | 2017-10-31 | A kind of laser street lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207716175U true CN207716175U (en) | 2018-08-10 |
Family
ID=63060719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721426198.5U Expired - Fee Related CN207716175U (en) | 2017-10-31 | 2017-10-31 | A kind of laser street lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207716175U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702001A (en) * | 2017-10-31 | 2018-02-16 | 重庆光遥光电科技有限公司 | A kind of laser street lamp |
-
2017
- 2017-10-31 CN CN201721426198.5U patent/CN207716175U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702001A (en) * | 2017-10-31 | 2018-02-16 | 重庆光遥光电科技有限公司 | A kind of laser street lamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106151924B (en) | A kind of spreadlight lens and LED bar graph lamp | |
| CA2641832A1 (en) | An improved led device for wide beam generation | |
| CN203298189U (en) | LED light source with COB module | |
| US7600894B1 (en) | Luminaires and optics for control and distribution of multiple quasi point source light sources such as LEDs | |
| ATE370367T1 (en) | FLASHLIGHT WITH ONE LED | |
| US7470045B2 (en) | Assembly for directed shading of outside lighting | |
| CN207716175U (en) | A kind of laser street lamp | |
| CN102563527A (en) | Lens with reflecting surfaces | |
| EP2924348B1 (en) | Lighting apparatus | |
| CN102901045B (en) | Fresnel Lenses for high-power LED light source | |
| CN112628617A (en) | Refraction and reflection type laser light-emitting device | |
| CN103105737B (en) | Use the lithographic equipment of the multiple light courcess of splicing | |
| CN209587696U (en) | A kind of laser lighting structure of achievable light beam regulation | |
| CN202835182U (en) | Fresnel lens for LED light source with high power | |
| CN107702001A (en) | A kind of laser street lamp | |
| TWI619968B (en) | Light irradiation device | |
| TW200710434A (en) | Lamp module and projecting apparatus thereof | |
| RU2007109864A (en) | METHOD AND DEVICE FOR FORMING LIGHT DISTRIBUTION OF LIGHT INSTRUMENT | |
| CN206540036U (en) | Laser lighting module | |
| CN214948814U (en) | Airport taxiway lamp | |
| CN208566444U (en) | A kind of novel remote large scene headlamp | |
| CN217714810U (en) | Light emitting device, portable lighting device, and vehicle headlamp | |
| CN212986801U (en) | Lighting device and lamp | |
| CN217899759U (en) | Light emitting device, portable lighting device, and vehicle headlamp | |
| CN109084189A (en) | Long distance laser lamp optical system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20191030 Granted publication date: 20180810 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20221030 Granted publication date: 20180810 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180810 |