CN210688089U - Laser light source lighting module - Google Patents
Laser light source lighting module Download PDFInfo
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- CN210688089U CN210688089U CN201921693654.1U CN201921693654U CN210688089U CN 210688089 U CN210688089 U CN 210688089U CN 201921693654 U CN201921693654 U CN 201921693654U CN 210688089 U CN210688089 U CN 210688089U
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- fluorescent sheet
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Abstract
The utility model relates to the field of lighting technology, especially, relate to a laser light source lighting module. The optical assembly comprises a lens, a fluorescent sheet, a cylindrical mirror and a light source; the lens, the fluorescent sheet and the cylindrical mirror are arranged on a light-emitting path of the light source; the cylindrical mirror is arranged between the fluorescent sheet and the light source; the lens is arranged on one side of the fluorescent sheet far away from the cylindrical mirror. In the prior art, a light source needs to be converted into parallel light to irradiate on a fluorescent sheet after being diffused, so that illumination light is excited, light energy is easy to lose in the conversion process, and the light energy utilization rate is reduced. Compared with the prior art, the utility model discloses a focus that the cylindrical mirror sent the light source shines on the fluorescence piece for a facula to the light that need not to send the light source spreads, and then the effectual light energy loss of avoiding causing in the conversion process, thereby has improved the utilization ratio of light energy.
Description
Technical Field
The utility model relates to the field of lighting technology, especially, relate to a laser light source lighting module.
Background
With the wide application of light emitting diodes and laser diodes, lighting devices using fluorescence generated by laser-excited phosphors as a light source have been increasingly prevalent. The laser light source has the advantages of energy concentration, long irradiation distance and the like, the point light source with ultrahigh brightness can be obtained by exciting the fluorescent powder by using laser, and the light source lighting lamp with a very small light beam divergence angle can be designed by using the point light source.
Chinese patent discloses an automotive lighting module [ application number: CN201610360030.2, publication No.: CN107435879A ] includes: the light conversion device comprises a light source, a light expansion unit, a light conversion unit and a light transmission part which are sequentially arranged on a light emitting path of the light source, wherein fluorescent powder is coated on the light conversion unit, light emitted from the light source enters the light conversion unit after passing through the light expansion unit, the light conversion unit absorbs part of light and excites the part of light to generate exciting light, and the exciting light and the other part of light which is not excited are mixed to generate white light to be emitted from the light transmission part, and the light conversion device is characterized in that: still include one set up in light extension unit with the regulating unit is adjusted to a light between the light conversion unit, the regulating unit is adjusted through control light intensity distribution to make from the regulating unit emergent light of adjusting to accord with the colour temperature standard and the light type of vehicle lighting. Although effectively generated the illuminating light source who accords with the demand through arousing phosphor powder, the light that the light source produced need be earlier through the diffusion, the back converts parallel light to shine on phosphor powder, in the conversion process, the light after the diffusion is dispersion relatively, hardly convert whole light to parallel light, thereby cause partial light energy to lack easily, lead to partial light to fail to shine on phosphor powder, cause the light energy utilization ratio lower, the higher laser lighting module of visible design light energy utilization ratio is very necessary.
SUMMERY OF THE UTILITY MODEL
To the technical problem of prior art, the utility model provides a laser light source lighting module
In order to solve the technical problem, the utility model provides a following technical scheme:
a laser light source lighting module, comprising: the optical assembly comprises a lens, a fluorescent sheet, a cylindrical mirror and a light source; the lens, the fluorescent sheet and the cylindrical mirror are arranged on a light-emitting path of the light source; the cylindrical mirror is arranged between the fluorescent sheet and the light source; the lens is arranged on one side of the fluorescent sheet far away from the cylindrical mirror.
In actual operation, a light source generated by the light source emits along a light emitting path, the emitted light passes through the cylindrical mirror, the cylindrical mirror focuses the light emitted by the light source to generate a light spot, the light spot generated by the cylindrical mirror irradiates on the fluorescent sheet to excite the fluorescent sheet, the fluorescent sheet is irradiated on the lens by divergent light which is excited to generate a large angle, the light generated by the fluorescent sheet is shaped through the lens, and finally the required illumination light spot is generated. In conclusion, the light generated by the light source does not need to be diffused through the focusing effect of the cylindrical mirror, and the light irradiated on the fluorescent sheet is a light spot rather than parallel light, so that the loss of light energy in the conversion process is effectively avoided, and the utilization rate of the light energy is effectively improved.
Further, the lens comprises a hemispherical lens and a focusing lens; the hemispherical lens is arranged between the focusing lens and the fluorescent sheet; the focusing lens is arranged on one side of the hemispherical lens, which is provided with a spherical surface; the fluorescent sheet is arranged on one side of the hemispherical lens, which is provided with a plane.
Further, the axis of the focusing lens coincides with the axis of the hemispherical lens.
Furthermore, the cylindrical mirror is perpendicular to the light emitting path, and the fluorescent sheet is arranged on a focal line of the cylindrical mirror.
The LED lamp further comprises a bracket, wherein the bracket is provided with a wire inlet end and a light outlet; the lens, the fluorescent sheet, the cylindrical mirror and the light source are arranged between the light outlet and the wire inlet end; the lens corresponds to the light outlet, and the light source corresponds to the line inlet end.
Further, the bracket comprises a lens barrel, a lens base and a heat dissipation base; the lens barrel is provided with a light inlet and a light outlet, and the lens is embedded in the lens barrel; the microscope base is arranged at the light inlet, the fluorescent sheet is arranged on the microscope base, and the fluorescent sheet corresponds to the light inlet; the cylindrical mirror and the light source are embedded in the heat radiating seat.
Further, a heat conduction space ring is further arranged on the lens base, and the heat conduction space ring is attached to the fluorescent sheet.
Further, the support still includes that the afterbody presses a section of thick bamboo, the afterbody is pressed a section of thick bamboo and is set up inlet wire end department, the afterbody press a section of thick bamboo with the light source is laminated mutually, the afterbody press a section of thick bamboo with radiating seat fixed connection.
Further, heat-conducting silicone grease is filled between the light source and the heat dissipation seat, and heat-conducting silicone grease is filled between the light source and the tail pressing cylinder.
Furthermore, the support further comprises a switching pressing ring, the switching pressing ring is arranged between the lens barrel and the lens base, and the switching pressing ring is fixedly connected with the lens barrel and the lens base.
Compared with the prior art, the utility model has the advantages of it is following:
through the focusing of the cylindrical mirror, light generated by the light source does not need to be diffused, and a light spot is irradiated on the fluorescent sheet, so that the loss of light energy is avoided, and the utilization rate of the light energy is improved.
Through the reflection of the hemispherical lens, the divergent light emitted by the fluorescent sheet can be effectively gathered, so that the utilization rate of light energy is further improved.
Drawings
FIG. 1: the overall structure diagram.
FIG. 2: optical assembly structure diagram.
In the figure: 11-lens, 12-fluorescent sheet, 13-cylindrical lens, 14-light source, 21-lens cone, 22-lens seat, 23-radiating seat, 24-tail pressing cylinder, 25-switching pressing ring, 111-hemispherical lens, 112-focusing lens, 211-light inlet, 212-light outlet, 221-heat conduction spacing ring and 231-light inlet end.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
A laser light source lighting module comprises an optical component and a bracket. The optical assembly includes a hemispherical lens 111, a focusing lens 112, a fluorescent sheet 12, a cylindrical mirror 13, and a light source 14. The light source 14 can be a laser, and the hemispherical lens 111, the focusing lens 112, the fluorescent sheet 12 and the cylindrical mirror 13 are arranged on the light-emitting path of the light source 14. The cylindrical mirror 13 is perpendicular to the light-emitting path, and the fluorescent sheet 12 is disposed on the focal line of the cylindrical mirror 13, so that the fluorescent sheet 12 can receive the light focused by the cylindrical mirror 13 to the maximum extent. The hemispherical lens 111 is arranged between the focusing lens 112 and the fluorescent sheet 12, the axial lead of the focusing lens 112 is coincident with the axial lead of the hemispherical lens 111, and the focusing lens 112 is arranged on one side of the hemispherical lens 111 where the spherical surface is arranged; the fluorescent sheet 12 is disposed on the side of the hemispherical lens 111 where the plane is disposed. In summary, the cylindrical mirror 13, the fluorescent sheet 12, the hemispherical lens 111, and the focusing lens 112 are arranged in this order along the light emitting path of the light source 14.
The bracket comprises a lens barrel 21, a lens base 22 and a heat dissipation base 23. The lens barrel 21 is provided with a light inlet 211 and a light outlet 212. The focusing lens 112 is disposed at the light outlet 212, the focusing lens 112 is embedded in the lens barrel 21, and colloid is filled between the focusing lens 112 and the inner wall of the lens barrel 21, so that on one hand, an operator can maintain and replace the focusing lens 112 conveniently, and on the other hand, the shape and effect of the illumination light spot can be adjusted by replacing the focusing lens 12 according to actual needs. The lens base 22 is arranged at the light inlet 211, the fluorescent sheet 12 and the hemispherical lens 111 are arranged on the lens base 22, the fluorescent sheet 12 corresponds to the light inlet 211, and one side of the hemispherical lens 111, which is provided with a spherical surface, extends into the lens barrel 21 through the light inlet 211. One end of the heat radiation seat 23 is provided with a wire inlet end 231, the other end of the heat radiation seat 23 is fixedly connected with the mirror seat 22, the cylindrical mirror 13 and the light source 14 are embedded in the heat radiation seat 23, the cylindrical mirror 13 is fixedly connected with the heat radiation seat 23 through screws, the influence of inclination of the cylindrical mirror 13 due to external force on the illumination effect is effectively prevented in the use process, and the light source 14 corresponds to the wire inlet end 231. Preferably, the light blocking sheet may be disposed between the heat dissipation seat and the cylindrical mirror or the mirror seat, so as to prevent light emitted from the light source from being emitted through a gap between the heat dissipation seat and the cylindrical mirror or the mirror seat, and further to influence the effect of the finally generated illumination light spot.
In actual operation, the light source 14 is electrically connected to the power supply device through the incoming line 231, so as to obtain the power required for operation. The light source 14 emits light, the emitted light passes through the cylindrical mirror 13 arranged on the light emitting path, the cylindrical mirror 13 receives the light and focuses the light, so that the incident parallel light is focused into a light spot, and the focused light spot irradiates the fluorescent sheet 12. The fluorescent sheet 12 is disposed on the focal line of the cylindrical mirror 13, so that the fluorescent sheet 12 can receive the focused light to the maximum extent, thereby effectively improving the utilization rate of the light energy, and on the other hand, the focused light can be prevented from irradiating other components, which causes the temperature rise of other components, thereby affecting the conversion efficiency of the fluorescent sheet 12. The fluorescent sheet 12 is excited by the light spot, so that the fluorescent sheet 12 emits light required for illumination, the wide-angle divergent light emitted by the fluorescent sheet 12 is emitted into the hemispherical lens 111 from one side of the hemispherical lens 111 provided with a plane, the divergent light emitted by the fluorescent sheet 12 can be effectively collected through reflection of the hemispherical lens 111, the divergent light is effectively prevented from overflowing, the utilization rate of light energy is further improved, the collected divergent light is emitted into the lens barrel 21 from the light inlet 211 of the lens barrel 21 through one side of the hemispherical lens 111 provided with a spherical surface, and finally irradiates on the focusing lens 112, the focusing lens 112 shapes the light emitted by the hemispherical lens 111, and the finally shaped light is emitted from the light outlet 212 on the lens barrel 21, so that the light spot effect required for illumination is generated. To sum up, the utility model discloses focus on the light that light source 14 jetted out, and convert the parallel light after the non-diffusion for shine on the fluorescence piece for a facula, thereby the light energy loss when having avoided light conversion, make full use of the light that the light source sent, thereby improved light energy utilization.
Wherein, still be provided with heat conduction space ring 221 on microscope base 22, heat conduction space ring 221 is the annular, heat conduction space ring 221 sets up between fluorescence piece 12 and hemisphere lens 111, heat conduction space ring 221 laminates with fluorescence piece 12 mutually, the focused facula can be in fluorescence piece 12 department production a large amount of heat, can in time be with heat transfer to microscope base 22 on the fluorescence piece 12 through heat conduction space ring 221, thereby dispel the heat for fluorescence piece 12, and then prevent that fluorescence piece 12 heat is too high to cause arouse efficiency to reduce or fluorescence piece 12 damages. At the same time, the heat-conducting spacer ring 221 also blocks part of the divergent light emitted by the phosphor sheet 12, thereby affecting the shape of the finally generated illumination spot. Therefore, the shape and effect of the illumination light spot can be adjusted by replacing the heat-conducting space ring 221. Preferably, the mirror base 22 and the heat-conducting spacer 221 are supported by copper, so as to further improve the heat-conducting effect of the mirror base 22 and the heat-conducting spacer 221. Preferably, a coating-type fluorescent sheet based on ceramics is used as the fluorescent sheet 12, and the excitation efficiency and the heat resistance can be improved.
The support still includes switching clamping ring 25, and switching clamping ring 25 sets up between lens cone 21 and microscope base 22, and switching clamping ring 25 passes through the screw respectively with lens cone 21, microscope base 22 fixed connection to make the overall structure of support more stable.
The bracket further comprises a tail pressing cylinder 24, the tail pressing cylinder 24 is arranged at the wire inlet end 231, and the tail pressing cylinder 24 is hollow so as to facilitate the wiring of the light source 14 and the power supply equipment. The tail pressing cylinder 24 is attached to the light source 14, so that the light source 14 is limited to prevent the light source 14 from being inclined under the action of external force. A section of thick bamboo 24 and radiating seat 23 fixed connection are pressed to the afterbody, and the outward flange that a section of thick bamboo 24 was pressed to the afterbody all is provided with the screw thread with the outward flange of radiating seat 23 to be convenient for be connected this module with other equipment.
Meanwhile, heat-conducting silicone grease is filled between the light source 14 and the tail pressing cylinder 24 and between the light source 14 and the lens base 22, so that the heat dissipation of the light source 14 is facilitated, and the reduction of the working efficiency caused by the overhigh temperature of the light source 14 is effectively prevented.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. The utility model provides a laser light source lighting module which characterized in that: the method comprises the following steps: the optical assembly comprises a lens (11), a fluorescent sheet (12), a cylindrical mirror (13) and a light source (14);
the lens (11), the fluorescent sheet (12) and the cylindrical mirror (13) are arranged on a light-emitting path of the light source (14);
the cylindrical mirror (13) is arranged between the fluorescent sheet (12) and the light source (14);
the lens (11) is arranged on one side, far away from the cylindrical mirror (13), of the fluorescent sheet (12).
2. The laser light source lighting module according to claim 1, wherein: the lens (11) comprises a hemispherical lens (111) and a focusing lens (112);
the hemispherical lens (111) is arranged between the focusing lens (112) and the fluorescent sheet (12);
the focusing lens (112) is arranged on one side of the hemispherical lens (111) on which a spherical surface is arranged;
the fluorescent sheet (12) is arranged on one side of the hemispherical lens (111) where a plane is arranged.
3. The laser light source lighting module according to claim 2, wherein: the axial lead of the focusing lens (112) is coincident with the axial lead of the hemispherical lens (111).
4. The laser light source lighting module according to claim 1, wherein: the cylindrical mirror (13) is perpendicular to the light emitting path, and the fluorescent sheet (12) is arranged on a focal line of the cylindrical mirror (13).
5. The laser light source lighting module according to claim 1, wherein: the LED lamp also comprises a bracket, wherein the bracket is provided with a wire inlet end (231) and a light outlet (212);
the lens (11), the fluorescent sheet (12), the cylindrical mirror (13) and the light source (14) are arranged between the light outlet (212) and the line inlet end (231);
the lens (11) corresponds to the light outlet (212), and the light source (14) corresponds to the line inlet end (231).
6. The laser light source lighting module according to claim 5, wherein: the bracket comprises a lens barrel (21), a lens base (22) and a heat dissipation base (23);
the lens barrel (21) is provided with a light inlet (211) and a light outlet (212), and the lens (11) is embedded in the lens barrel (21);
the microscope base (22) is arranged at the light inlet (211), the fluorescent sheet (12) is arranged on the microscope base (22), and the fluorescent sheet (12) corresponds to the light inlet (211);
one end of the heat radiating seat (23) is provided with the wire inlet end (231), the other end of the heat radiating seat (23) is connected with the mirror seat (22), and the cylindrical mirror (13) and the light source (14) are embedded in the heat radiating seat (23).
7. The laser light source lighting module according to claim 6, wherein: the lens base (22) is further provided with a heat conduction spacing ring (221), and the heat conduction spacing ring (221) is attached to the fluorescent sheet (12).
8. The laser light source lighting module according to claim 6, wherein: the support further comprises a tail pressing cylinder (24), the tail pressing cylinder (24) is arranged at the wire inlet end (231), the tail pressing cylinder (24) is attached to the light source (14), and the tail pressing cylinder (24) is fixedly connected with the heat radiating seat (23).
9. The laser light source lighting module of claim 8, wherein: and heat-conducting silicone grease is filled between the light source (14) and the heat dissipation seat (23), and heat-conducting silicone grease is filled between the light source (14) and the tail pressing cylinder (24).
10. The laser light source lighting module according to claim 6, wherein: the support further comprises a switching pressing ring (25), the switching pressing ring (25) is arranged between the lens barrel (21) and the lens base (22), and the switching pressing ring (25) is fixedly connected with the lens barrel (21) and the lens base (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921693654.1U CN210688089U (en) | 2019-10-11 | 2019-10-11 | Laser light source lighting module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921693654.1U CN210688089U (en) | 2019-10-11 | 2019-10-11 | Laser light source lighting module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210688089U true CN210688089U (en) | 2020-06-05 |
Family
ID=70885979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921693654.1U Active CN210688089U (en) | 2019-10-11 | 2019-10-11 | Laser light source lighting module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210688089U (en) |
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2019
- 2019-10-11 CN CN201921693654.1U patent/CN210688089U/en active Active
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20230926 Address after: 266000 room 205, building 1, 61 Guangsheng Road, high tech Zone, Qingdao, Shandong Province Patentee after: Qingdao Zhongke Zhifu Photoelectric Technology Co.,Ltd. Address before: 313000 office 1206-11, floor 12, building 3, No. 1366, Hongfeng Road, Huzhou Economic and Technological Development Zone, Huzhou City, Zhejiang Province Patentee before: HUZHOU CAS PHOTOELECTRIC TECHNOLOGY CO.,LTD. |