CN210004316U - Light distribution module of laser garden lamp - Google Patents
Light distribution module of laser garden lamp Download PDFInfo
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- CN210004316U CN210004316U CN201920795300.1U CN201920795300U CN210004316U CN 210004316 U CN210004316 U CN 210004316U CN 201920795300 U CN201920795300 U CN 201920795300U CN 210004316 U CN210004316 U CN 210004316U
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Abstract
The utility model discloses a grading module of laser garden lamp, including the blue light laser, reflection of light cup, fluorescence transparent ceramics, metal covering and grading scattering baffle, reflection of light cup is the open four-edge table shape cover body of plain noodles only, fluorescence transparent ceramics installs in reflection of light cup, the metal covering is overlapped outside fluorescence transparent ceramics, grading scattering baffle is located fluorescence transparent ceramics's front end, whole emergent light of fluorescence transparent ceramics is sheltered from completely to grading scattering baffle, it has the light trap to open on reflection of light cup and the metal covering, the light that the blue light laser sent converges on fluorescence transparent ceramics through the light trap on reflection of light cup and the metal covering, fluorescence transparent ceramics sends the yellow light under the blue light excitation, yellow light and surplus blue light mix and become warm white light or just white light.
Description
Technical Field
The utility model relates to a grading module of kinds of laser garden lamp, this grading module can be used for the outdoor white light illumination of public places such as city lane slowly, narrow lane, residential quarter, tourist attraction, park, field with the semiconductor blue laser that the light efficiency is higher than the LED light efficiency.
Background
For illumination of common garden lamps, some traditional iodine-tungsten bulbs and some energy-saving bulbs are adopted, most garden lamps in recent years use LEDs as light sources, the structure and the light distribution mode of the garden lamps are also different, but no garden lamp adopting laser as the light source is found, and no garden lamp adopting a flat light distribution scattering baffle plate and a scattering surface reflection cup which are matched with each other and completely shield light beams is found.
The LED has the well-known phenomenon of 'efficiency dip' which is unrelated to heat dissipation, namely, the light emitting efficiency is rapidly attenuated along with the increase of the driving power density, and a reasonable solution is not found so far, a physical Nobel prize winner, a second village of white light of the LED, is proposed in 2013, that is, in the near future, the LED technology is finally replaced by laser because of the physical limit of the light emitting efficiency, and the laser lighting has a very broad application prospect in the aspect of helping human beings to improve the life quality, that a Laser Diode (LD) which is the same as the LED in the same era has the advantages of the LED, such as high response speed, low energy consumption, long service life, environmental protection and the like, and more particularly has no 'efficiency dip' phenomenon in the range of lighting requirements, has high conversion efficiency when working under the excitation of high current density and high-intensity blue light, so that the high efficiency and the light stability of the light source of the LED are ensured, and the white light becomes the best substitute of the LED, and the laser lighting technology is a new laser lighting technology for outdoor courtyard, such as and the laser lighting technology.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a grading module of kinds of laser garden lamps, utilize the blue laser to replace the LED light source, solved the limited problem of light efficiency of LED light source, utilize anti-light cup and grading scattering baffle to reduce the glare index of emergent light simultaneously.
In order to solve the technical problem, the utility model discloses a technical scheme is that the grading module of laser garden lamp, including the blue laser, the reflection of light cup, fluorescent transparent pottery, metal covering and grading scattering baffle, the reflection of light cup is the open four-edge platform shape cover body in bottom surface of only, this face is the play plain noodles of reflection of light cup, face of fluorescent transparent pottery is installed on the unopened bottom surface of reflection of light cup, this face is marked as A face, face is towards the play plain noodles of reflection of light cup in addition, this face is marked as B face, the metal covering is except A face, other positions of B face at fluorescent transparent pottery, grading scattering baffle is located the front end of fluorescent transparent pottery B face, grading scattering baffle shelters from fluorescent transparent pottery's whole emergent light completely, reflection of light cup and metal covering are opened the light trap, the light that the blue light sent passes through reflection of light cup and the light trap on fluorescent transparent pottery on the light cup on the metal covering, fluorescent transparent pottery is being excited the blue light, fluorescent transparent pottery sends out the yellow light, yellow light and the.
, a beam shaping lens and a turning prism are arranged between the blue laser and the reflection cup, and the light emitted by the blue laser is shaped by the beam shaping lens and turned by the turning prism and then converged on the fluorescent transparent ceramic through the light hole.
And , the shaping lens is a cylindrical lens and an aspheric lens, and the turning prism is an isosceles right-angle prism.
, the fluorescent transparent ceramic is cylindrical, the surface A and the surface B are two bottom surfaces of the fluorescent transparent ceramic respectively, and the metal sleeve is sleeved on the side surface of the fluorescent transparent ceramic.
And , the light distribution scattering baffle is a flat plate or a triangular prism.
And , a scattering surface is arranged inside the metal sleeve, and the light distribution scattering baffle adopts a scattering surface or a mirror surface.
, the angle of the light-emitting point of the edge of the fluorescent transparent ceramic is 83 degrees.
And , the number of the blue lasers is 2, the blue lasers are respectively arranged at two sides of the bottom surface of the fluorescent transparent ceramic installed on the reflection cup, the light transmission holes of the reflection cup are formed in the side wall of the reflection cup, right-angle surfaces turning to the prism face the shaping lens, and right-angle surfaces face the light transmission holes.
And , adopting an asymmetric design to satisfy the polarization requirement of the two side walls of the reflection cup without the light hole.
The beneficial effects of the utility model are that the utility model discloses a blue laser instrument is as the light source of garden lamp, solve the light efficiency limited problem of original LED light source, and arouse into the yellow light through the blue light that fluorescence transparent ceramics sent the laser instrument, thereby obtain the light field colour temperature that needs, fluorescence transparent ceramics's emergent light is through grading scattering baffle, the blocking and the scattering of anti-light cup, thereby obtain the grading angle and accord with garden lamp illumination standard, the glare index is far less than 6 even light field, thereby be fit for city slow lane, narrow lane, residential quarter, tourist attraction, park, outdoor white light illumination of public places such as place, there is not any uncomfortable sense when people's eye directly watches lamps and lanterns.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of another angles according to the present invention;
FIG. 3 is a top sectional view of FIG. 2;
FIG. 4 is a schematic view of the structure of a fluorescent transparent ceramic and a metal sheath;
FIG. 5 is a schematic view of the light direction of the light distribution path;
FIG. 6 is a light distribution graph of the light distribution module;
fig. 7 is a schematic diagram of light field simulation of the white light and the warm white light of the light distribution module, where 7a is a schematic diagram of light field simulation of the white light and 7b is a schematic diagram of light field simulation of the warm white light;
in the figure: 1. the device comprises a blue laser 2, a beam shaping lens 3, a steering prism 4, fluorescent transparent ceramics 5, a metal sleeve 6, a light distribution scattering baffle 7, a reflection cup 8 and a light hole.
Detailed Description
The present invention will be described in further detail in with reference to the following drawings and examples.
Example 1
The embodiment discloses a light distribution module of kinds of laser garden lamps, as shown in fig. 1, 2 and 3, which comprises a blue laser 1, a beam shaping lens 2, a steering prism 3, a reflecting cup 7, a fluorescent transparent ceramic 4, a metal sleeve 5 and a light distribution scattering baffle 6.
The light reflecting cup 7 is a quadrangular frustum pyramid cover with only opened bottom surfaces, the light reflecting cup 7 is a light emitting surface of the light reflecting cup 7, surfaces of the fluorescent transparent ceramics 4 are installed on the bottom surfaces of the light reflecting cup 7 which are not opened, the surfaces are marked as A surfaces, the surfaces face the light reflecting surface of the light reflecting cup 7, the surfaces are marked as B surfaces, the light emitting surface of the fluorescent transparent ceramics 4 is a light emitting surface of the fluorescent transparent ceramics 4, the metal sleeve 5 is sleeved on the other parts of the fluorescent transparent ceramics 4 except the A surfaces and the B surfaces, the light distribution scattering baffle 6 is positioned at the front end of the light emitting surface of the fluorescent transparent ceramics 4, the light distribution scattering baffle 6 can completely shield all emergent light of the fluorescent transparent ceramics and then scatter, light holes 8 are formed in the light reflecting cup 7 and the metal sleeve 5, and the light holes 8 in the light reflecting cup 7 and the metal sleeve 5 are on the same straight lines, so that laser.
In this embodiment, the beam shaping lens 2 is a cylindrical lens and an aspherical lens, and the steering prism 3 is an isosceles right-angle prism.
As shown in fig. 2 and 3, the number of the blue lasers 1 is 2, and the blue lasers are respectively located at two sides of the bottom surface of the reflective cup 7 where the fluorescent transparent ceramic 4 is installed, the light transmission hole 8 of the reflective cup 7 is opened on the side wall thereof, right-angle surfaces of the turning prism 3 face the shaping lens 2, and right-angle surfaces face the light transmission hole 8.
As shown in fig. 4, the fluorescent transparent ceramic 4 is cylindrical, the surface a and the surface B are two bottom surfaces of the cylindrical fluorescent transparent ceramic 4, and the metal sleeve 5 is sleeved on the side surface of the fluorescent transparent ceramic 4. the light distribution scattering baffle 6 is a flat scattering baffle, in other embodiments, it can be designed as a triangular prism, prisms of the triangular prism are over against the light-emitting surface of the fluorescent transparent ceramic 4, two surfaces connected with the prisms scatter the emergent light of the fluorescent transparent ceramic, and the angle of the triangular prism scattering baffle is adjusted to obtain different light distribution curves, thereby meeting the lighting requirements of various street lamps.
In this embodiment, the inside of the metal sleeve 5 and the light distribution scattering baffle 6 both adopt scattering surfaces, and the inner wall of the light reflecting cup 7 also serves as a scattering surface.
As shown in fig. 5, when the light distribution module described in this embodiment operates, once the laser power source supplies power to the blue laser 1, the blue laser 1 will emit a blue laser beam, and because the light-emitting end face of the resonant cavity of the semiconductor laser is a rectangular window, the divergence angles of the blue laser beam in two mutually perpendicular directions are different, and the laser beam irradiates an elliptical spot on the receiving screen, the shaping lens 2 located at the front end of the blue laser 1 will shape the laser emitted by the blue laser 1, and shape and converge the two mutually perpendicular directions of the blue laser beam into the same angle, so as to form a circular spot on the receiving screen, and the spot reduced by the shaping lens 2 can better excite the fluorescent transparent ceramic 4 to emit yellow light, the shaped and converged blue laser beam turns 90 ° after being totally reflected by the turning prism 3, and then irradiates the fluorescent transparent ceramic 4 through the light-transmitting hole 8 on the light-distribution cup 7 and the metal sleeve 5, the blue laser beam with large energy, and excites the fluorescent transparent ceramic 4 to emit yellow light, and then the scattered light after passing through the light-scattering baffle 356, the scattered light of the fluorescent transparent ceramic 4, and the scattered light can not be irradiated by the scattered directly onto the light-scattering reflector 356, and the scattered light-scattering standard scattered light-scattering lamp, so as to obtain scattered light-scattered light scattering diffusion barrier 356.
The embodiment designs into the open quadrangular frustum pyramid shape cover body of the light-reflecting cup 7 only, and other parts except the light-emitting surface of the fluorescent transparent ceramic 4 are wrapped by the metal sleeve 5 or the light-reflecting cup 7, so that the backward scattering of laser can be effectively prevented, and all laser lights are irradiated on an illumination area by the open surface of the light-reflecting cup after being scattered by the light-distributing scattering baffle 6 and the light-reflecting cup 7, and the light energy is prevented from being wasted.
In this embodiment, the light distribution scattering baffle 6 is a key component of the light distribution module, and it prevents the light emitted from the fluorescent transparent ceramic 4 from directly emitting, and the light emitted from the fluorescent transparent ceramic 4 cannot be scattered by the reflective cup 7 due to the absence of the light distribution scattering baffle 6, so that the reflective cup 7 cannot play a role. The light distribution diffuser 6 determines the shape of the light distribution curve.
In this embodiment, the included angle of the edge light-emitting points of the fluorescent transparent ceramic 4 is 83 °. By the design, light rays with an angle of 83 degrees formed by the edge luminous points of the fluorescent transparent ceramic can be scattered or reflected to a space of a rear 2 pi solid angle by the light distribution scattering baffle, so that overlarge glare index caused by direct emergence is avoided.
In this embodiment, the two side walls of the light reflecting cup 7 without the light hole 8 are designed asymmetrically, so that the longitudinal angle polarization of the light distribution can be 20 to 25 degrees, and the light reflecting cup can be used on a courtyard lamp post with the tilt of the lamp post of 0 degree or 1 degree and used for illuminating the ground (road surface) of public places such as city slow lanes, narrow lanes, residential quarters, tourist attractions, parks, fields and the like.
Fig. 6 is a light distribution curve of the light distribution module of the present embodiment, fig. 7 is two light fields of normal white light and warm white light simulated by TracePro, where 7a is fields of normal white light, and 7b is fields of warm white light.
Example 2
In this embodiment, the inside of the metal sleeve 5 and the light distribution scattering baffle 6 both adopt mirror surfaces, and the inner wall of the reflector cup 7 is still a scattering surface, so that under the condition that the structure of the light distribution module is unchanged, when the light distribution scattering baffle adopts mirror reflection, different light distribution fields and light distribution curves can be obtained, and the light distribution scattering baffle can be used for outdoor yard lamp illumination places with different distance-height ratios.
The foregoing description is only for the basic principles and preferred embodiments of the present invention, and modifications and substitutions made by those skilled in the art according to the present invention belong to the protection scope of the present invention.
Claims (9)
1. The light distribution module of the laser garden lamp is characterized by comprising a blue light laser, a reflection cup, fluorescent transparent ceramics, a metal sleeve and a light distribution scattering baffle plate, wherein the reflection cup is a quadrangular frustum cover body with only opened bottom surfaces, the surface is a light emitting surface of the reflection cup, surfaces of the fluorescent transparent ceramics are arranged on the bottom surface of the reflection cup which is not opened, the surface is marked as an A surface, the other surfaces face the light emitting surface of the reflection cup, the surface is marked as a B surface, the metal sleeve is sleeved on the other parts of the fluorescent transparent ceramics except the A surface and the B surface, the light distribution scattering baffle plate is positioned at the front end of the B surface of the fluorescent transparent ceramics, the light distribution scattering baffle plate completely shields all emergent light of the fluorescent transparent ceramics, light holes are formed in the reflection cup and the metal sleeve, light emitted by the blue light laser is converged on the fluorescent transparent ceramics through the light holes in the reflection cup and the metal sleeve, the fluorescent transparent ceramics emit yellow light under the excitation of blue light, and the.
2. The light distribution module of the laser garden lamp as claimed in claim 1, wherein: and a beam shaping lens and a steering prism are also arranged between the blue laser and the reflecting cup, and light emitted by the blue laser is converged on the fluorescent transparent ceramic through the light hole after being shaped by the beam shaping lens and steered by the steering prism.
3. The light distribution module of the laser garden lamp as claimed in claim 2, wherein: the beam shaping lens is a cylindrical lens and an aspheric lens, and the steering prism is an isosceles right-angle prism.
4. The light distribution module of the laser garden lamp as claimed in claim 1, wherein: the fluorescent transparent ceramic is cylindrical, the surface A and the surface B are two bottom surfaces of the fluorescent transparent ceramic respectively, and the metal sleeve is sleeved on the side surface of the fluorescent transparent ceramic.
5. The light distribution module of the laser garden lamp as claimed in claim 1, wherein: the light distribution scattering baffle is a flat plate or a triangular prism.
6. The light distribution module of the laser garden lamp as claimed in claim 1, wherein: the inside of the metal sleeve is a scattering surface or a mirror surface, and the light distribution scattering baffle adopts the scattering surface or the mirror surface.
7. The light distribution module of the laser garden lamp as claimed in claim 1, wherein: the included angle of the edge luminous points of the fluorescent transparent ceramic is 83 degrees.
8. The light distribution module of the laser garden lamp as claimed in claim 3, wherein the number of the blue lasers is 2, the blue lasers are respectively arranged at two sides of the bottom surface of the fluorescent transparent ceramic installed on the reflecting cup, the light transmission hole of the reflecting cup is formed in the side wall of the reflecting cup, right-angle surfaces of the steering prism face the shaping lens, and the other right-angle surfaces face the light transmission hole.
9. The light distribution module of the laser garden lamp as claimed in claim 8, wherein: two side walls of the reflecting cup without the light hole adopt asymmetric design for meeting the polarization requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920795300.1U CN210004316U (en) | 2019-05-30 | 2019-05-30 | Light distribution module of laser garden lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920795300.1U CN210004316U (en) | 2019-05-30 | 2019-05-30 | Light distribution module of laser garden lamp |
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| Publication Number | Publication Date |
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| CN210004316U true CN210004316U (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920795300.1U Active CN210004316U (en) | 2019-05-30 | 2019-05-30 | Light distribution module of laser garden lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173666A (en) * | 2019-05-30 | 2019-08-27 | 济南三星灯饰有限公司 | Laser garden lamp matches optical mode group |
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- 2019-05-30 CN CN201920795300.1U patent/CN210004316U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173666A (en) * | 2019-05-30 | 2019-08-27 | 济南三星灯饰有限公司 | Laser garden lamp matches optical mode group |
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Address after: No. 8111, Erhuan North Road, Tianqiao District, Jinan City, Shandong Province Patentee after: Jinan Samsung Lighting Technology Co.,Ltd. Address before: No. 8111, Erhuan North Road, Tianqiao District, Jinan City, Shandong Province Patentee before: JINAN SANXING LIGHTING Co.,Ltd. |