CN221098411U - Light source structure, lamp cap and lamp - Google Patents
Light source structure, lamp cap and lamp Download PDFInfo
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- CN221098411U CN221098411U CN202322945650.0U CN202322945650U CN221098411U CN 221098411 U CN221098411 U CN 221098411U CN 202322945650 U CN202322945650 U CN 202322945650U CN 221098411 U CN221098411 U CN 221098411U
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- source structure
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- 210000000988 bone and bone Anatomy 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 3
- 238000005286 illumination Methods 0.000 abstract description 2
- 239000011324 bead Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 208000008918 voyeurism Diseases 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The application belongs to the technical field of illumination, and relates to a light source structure, which comprises a light source assembly and a reflector; the center of the reflector is provided with a bracket; the light source component is arranged on the bracket, and the reflector is covered on the outer side of the light source component; the light-emitting direction of the light source component faces the inner side wall of the reflector, and light is emitted to the top surface after being reflected by the reflector. The application also relates to a lamp cap and a lamp. The technical scheme provided by the application can avoid the generation of highlight areas by the light spots and improve the uniformity of the brightness of the light spots.
Description
Technical Field
The application relates to the technical field of illumination, in particular to a light source structure, a lamp cap and a lamp.
Background
At present, lamps such as miner lamps, flashlights and the like adopt a mode of emitting light from a point light source basically, lamp beads are arranged at the bottom of a reflector, and light rays directly irradiate from the top of the reflector or irradiate after being condensed by reflection of the inner wall of the reflector, so that the brightness of a light source can be ensured not to be wasted excessively.
However, in the light source structure, the light spots directly emitted by the lamp beads are overlapped with the light spots reflected by the inner wall of the reflector, so that the finally obtained light spots are uneven, the characteristics of brighter center and darker periphery can be presented, and the uniformity of the brightness of the light spots is poor.
Disclosure of utility model
The technical problem to be solved by the embodiment of the application is that the light spot brightness uniformity of the existing light source structure is poor.
In order to solve the above technical problems, an embodiment of the present application provides a light source structure, which adopts the following technical scheme:
a light source structure comprises a light source component and a reflector;
A bracket is arranged at the center of the reflector;
The light source component is arranged on the bracket, and the reflector is covered on the outer side of the light source component;
the light emitting direction of the light source component faces to the side face or the bottom face, and the light is emitted to the top face after being reflected by the reflector.
Further, the light source assembly comprises a plurality of light sources, and the light sources are uniformly distributed around the circumference of the support.
Further, the reflector comprises a plurality of reflecting lobe parts, and the plurality of reflecting lobe parts are uniformly distributed around the circumference of the bracket;
One of the light sources corresponds to the central line of one of the reflecting lobe parts, and the emergent light of the light source is reflected to emit light through the corresponding reflecting lobe part.
Further, the side surface of the reflecting lobe part facing the light source is a reflecting concave surface, and the reflecting concave surface is in the shape of a parabolic inclined surface.
Further, the light source assembly further comprises a circuit board, the circuit board is arranged in the bracket, and the circuit board is electrically connected with the plurality of light sources.
Further, the support is a polygon prism, the bottom surface area of the support is larger than the top surface area of the support, and the top surface and the bottom surface of the support are in smooth transition.
Further, the ratio of the top surface area of the bracket to the opening area of the reflector is less than 5%.
In order to solve the technical problems, the embodiment of the application also provides a lamp cap, which adopts the following technical scheme:
A lamp cap is characterized by comprising a shell and the light source structure;
A mounting cavity is formed in the shell;
The light source structure is arranged in the mounting cavity, and the reflecting light-emitting direction of the reflector faces the light-emitting side of the shell.
Furthermore, the outer side wall of the reflector is also provided with a plurality of fixing bone positions at intervals, and the fixing bone positions are used for limiting the light source structure to axially move relative to the shell.
In order to solve the technical problems, the embodiment of the application also provides a lamp, which adopts the following technical scheme:
a lamp comprising a lamp cap as described above.
Compared with the prior art, the embodiment of the application has the following main beneficial effects:
The application provides a light source structure, which is characterized in that a light source assembly is arranged on a bracket in the center of a reflector, and the light emitted by the light source assembly is reflected by the inner side wall of the reflector and then emitted towards the top surface of the reflector by combining the arrangement that the light emitting direction of the light source assembly faces to the side surface or the bottom surface, so that the emitted light of the light source structure is reflected, high-brightness light spots are avoided, the light spot brightness uniformity of the emitted light of the light source structure is improved, and the use experience of a lamp cap or a lamp with the light source structure is improved.
Drawings
In order to more clearly illustrate the solution of the present application, a brief description will be given below of the drawings required for the description of the embodiments, it being apparent that the drawings in the following description are some embodiments of the present application and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a light source structure according to an embodiment of the present application;
FIG. 2 is a top view of a light source structure of an embodiment of the present application;
FIG. 3 is an enlarged schematic view of FIG. 2 at A;
FIG. 4 is a schematic cross-sectional view taken along line B-B in FIG. 2.
Reference numerals:
1. A reflector; 11. a bracket; 12. fixing the bone position; 2. a light source.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description of the application and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
Referring to fig. 1 to 4, an embodiment of the present application provides a light source structure, which includes a reflector 1 and a light source assembly.
In some embodiments, the center of the reflector 1 is provided with a bracket 11, the light source assembly is arranged on the bracket 11, and the reflector 1 is covered outside the light source assembly; in this embodiment, as shown in fig. 3, the light source assembly includes a plurality of light sources 2, the plurality of light sources 2 are uniformly distributed around the circumference of the bracket 11, and the light emitting direction of the light source assembly faces the side or bottom surface, and emits light to the top surface after being reflected by the reflector 1.
According to the light source structure provided by the embodiment of the application, the light source assembly is arranged on the bracket 11 in the center of the reflector 1, and the light emitted by the light source assembly is reflected by the inner side wall of the reflector 1 and then emitted towards the top surface of the reflector 1 in combination with the arrangement that the light emitting direction of the light source assembly faces towards the side surface or the bottom surface, so that the emitted light of the light source structure is reflected, high-brightness light spots are avoided, the light spot brightness uniformity of the emitted light of the light source structure is improved, and the use experience of a lamp cap or a lamp with the light source structure is improved.
With continued reference to fig. 1 and 2, in some embodiments, the reflector 1 includes a plurality of reflective lobes, and the plurality of reflective lobes are uniformly distributed around the circumference of the support 11, where one of the light sources 2 corresponds to a center line of one of the reflective lobes, and the light emitted from the light source 2 is reflected by the corresponding reflective lobe and then exits toward the top surface of the reflector 1.
Referring to fig. 4, in this embodiment, a side of the reflective lobe facing the light source 2 is a reflective concave surface, wherein the reflective concave surface is in a shape of a parabolic inclined surface.
The reflector 1 of the embodiment of the application is formed by assembling a plurality of reflecting valve parts, so that the reflector 1 is provided with a plurality of focuses, and each light source 2 is correspondingly arranged at the corresponding focus to optimize the reflection efficiency of the reflector 1; meanwhile, each reflecting lobe part is provided with a reflecting concave surface in a parabolic inclined plane shape, so that the reflecting concave surface can be matched with different models of light sources 2, more light emitting angles are designed, and the adaptation capability of a light source structure to the light sources 2 in different models is improved.
In some embodiments, the light source structure further includes a heat dissipation member (not shown in the drawings) mounted at the bottom of the reflector for dissipating heat from the reflector.
In some embodiments, the light source structure further includes a heat conducting member (not shown in the drawings), and the support is a hollow support, and the heat conducting member extends upward into the support and is respectively in contact with each of the light sources 2, so as to conduct heat emitted by the light sources 2 to the heat dissipating member, so as to dissipate heat of the light sources 2.
Referring to fig. 1 to 3, in some embodiments, the support 11 is configured as a polygon prism, the area of the bottom surface of the support 11 is larger than the area of the top surface of the support 11, the top surface and the bottom surface of the support 11 are in smooth transition, in this embodiment, the support 11 is a regular quadrangular prism, the light source assembly includes four light sources 2, each light source 2 is correspondingly mounted on one side surface of the support 11, and the longitudinal section of the support is in an isosceles trapezoid shape.
In some embodiments, the top surface of the support 11 extends up to the opening of the reflector 1, wherein each of the light sources 2 is located at the focus of each of the reflective lobes, and the ratio of the top surface area of the support 11 to the opening area of the reflector 1 is less than 5%.
In this embodiment, the opening radius of the reflector 1 is 100mm, the top surface of the bracket 11 is square, the side length of the top surface is 35mm, the opening area of the reflector 1 is pi×100×100×31400mm 2, and the top surface area of the bracket 11 is 35×35=1225mm 2, so that the ratio of the top surface area of the bracket 11 to the opening area of the reflector 1 is 1225/31400×3.9% < 5%.
According to the embodiment of the application, the influence of the top of the bracket 11 on the reflected light of the reflector 1 is reduced by adjusting the ratio of the top surface area of the bracket 11 to the opening area of the reflector 1 to be less than 5%.
In some embodiments, the light source assembly further includes a circuit board (not shown in the drawings), the circuit board is mounted in the bracket 11, and the circuit board is electrically connected to the plurality of light sources 2, in this embodiment, the light sources 2 are LED lamp beads, and the plurality of LED lamp beads are electrically connected to the circuit board respectively.
According to the embodiment of the application, the light source 2 is arranged on the side wall of the bracket 11, and the circuit board is arranged in the bracket 11, so that the structure of the light source component can be prevented from being directly observed by the outside through the opening of the reflector 1, and the peeping prevention effect of the light source component is improved.
Based on the above light source structure, the embodiment of the present application further provides a lamp cap, where the lamp cap includes a housing (not shown in the figure) and the light source structure as described above.
A mounting cavity is formed in the shell; the light source structure is installed in the installation cavity, in this embodiment, the light emitting direction of the light source assembly faces away from the light emitting side of the housing, and the reflected light emitting direction of the reflector 1 faces toward the light emitting side of the housing.
According to the lamp cap provided by the embodiment of the application, the light source structure is arranged in the shell, so that the emergent light of the lamp cap is reflected light, and the reflection light of the reflector 1 and the emergent light of the light source assembly are prevented from being overlapped to generate high-brightness light spots, so that the uniformity of the light spot brightness of the emergent light of the lamp cap is improved, and the appearance of the lamp cap in use is improved.
Referring to fig. 1,2 and 4, in some embodiments, a plurality of fixing ribs 12 are further disposed on the side wall of the reflector 1 at intervals, and the fixing ribs 12 are used to limit the light source structure from moving axially relative to the housing when the light source structure is installed in the installation cavity.
In some embodiments, the side of the fixing bone 12 away from the reflector 1 is in a convex conical surface, and the included angle of the convex conical surface is greater than 90 ° and less than 180 °; or the side surface of the fixed bone position 12, which is far away from the reflector 1, is an arc surface, and the radian of the arc surface is smaller than 180 degrees.
According to the embodiment of the application, the design of the convex conical surface or the arc surface is adopted for the fixed bone position 12, so that the contact area between the fixed bone position 12 and the inner wall of the shell is reduced when the light source structure is arranged in the shell, the situation that the shell can drive the light source structure to rotate or move due to the overlarge contact area in the assembly process is avoided, the installation stability of the light source structure is improved, the light source structure and the shell are relatively static, the focusing stability of the light source structure is improved, in addition, the friction to the fixed bone position 12 is reduced, and the service life of the fixed bone position 12 is prolonged.
Based on the lamp cap, the embodiment of the application also provides a lamp, and the lamp comprises the lamp cap.
The lamp provided by the embodiment of the application adopts the lamp cap and light source structure for reverse light emission, so that the light spot brightness uniformity of the light emitted by the lamp, the appearance of the lamp when a user uses the lamp and the installation stability of the light source structure are improved.
It is apparent that the above-described embodiments are only some embodiments of the present application, but not all embodiments, and the preferred embodiments of the present application are shown in the drawings, which do not limit the scope of the patent claims. This application may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the application has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the application are directly or indirectly applied to other related technical fields, and are also within the scope of the application.
Claims (10)
1. The light source structure is characterized by comprising a light source assembly and a reflector;
A bracket is arranged at the center of the reflector;
The light source component is arranged on the bracket, and the reflector is covered on the outer side of the light source component;
The light-emitting direction of the light source component faces the inner side wall of the reflector, and light is emitted to the top surface after being reflected by the reflector.
2. A light source structure as recited in claim 1, wherein said light source assembly comprises a plurality of light sources, a plurality of said light sources being evenly distributed about a circumference of said bracket.
3. The light source structure of claim 2, wherein the reflector comprises a plurality of reflective lobes, the plurality of reflective lobes being evenly distributed around a circumference of the support;
One of the light sources corresponds to the central line of one of the reflecting lobe parts, and the emergent light of the light source is reflected to emit light through the corresponding reflecting lobe part.
4. A light source structure as recited in claim 3, wherein a side of the reflective flap portion facing the light source is a reflective concave surface, the reflective concave surface being in the shape of a parabolic bevel.
5. The light source structure of claim 2, wherein the light source assembly further comprises a circuit board mounted within the bracket, the circuit board being electrically connected to a plurality of the light sources.
6. A light source structure as recited in any one of claims 1-4, wherein the support is a polygonal column, the area of the bottom surface of the support is greater than the area of the top surface of the support, and the transition between the top surface and the bottom surface of the support is smooth.
7. A light source structure as recited in claim 6, wherein a ratio of a top surface area of the bracket to an opening area of the reflector is in a range of less than 5%.
8. A lamp cap comprising a housing and a light source structure as claimed in any one of claims 1 to 7;
A mounting cavity is formed in the shell;
The light source structure is arranged in the mounting cavity, and the reflecting light-emitting direction of the reflector faces the light-emitting side of the shell.
9. The lamp head of claim 8, wherein the outer sidewall of the reflector is further provided with a plurality of fixed bone sites spaced apart therefrom, the fixed bone sites being configured to limit axial movement of the light source structure relative to the housing.
10. A lamp comprising a lamp cap as claimed in claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322945650.0U CN221098411U (en) | 2023-10-31 | 2023-10-31 | Light source structure, lamp cap and lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322945650.0U CN221098411U (en) | 2023-10-31 | 2023-10-31 | Light source structure, lamp cap and lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221098411U true CN221098411U (en) | 2024-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322945650.0U Active CN221098411U (en) | 2023-10-31 | 2023-10-31 | Light source structure, lamp cap and lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221098411U (en) |
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2023
- 2023-10-31 CN CN202322945650.0U patent/CN221098411U/en active Active
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