CN220419786U - Heat dissipation reflecting bowl and ultrashort focal optical lens - Google Patents
Heat dissipation reflecting bowl and ultrashort focal optical lens Download PDFInfo
- Publication number
- CN220419786U CN220419786U CN202321989202.4U CN202321989202U CN220419786U CN 220419786 U CN220419786 U CN 220419786U CN 202321989202 U CN202321989202 U CN 202321989202U CN 220419786 U CN220419786 U CN 220419786U
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- China
- Prior art keywords
- heat
- bowl
- heat sink
- heat dissipation
- metal layer
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- 230000003287 optical effect Effects 0.000 title claims abstract description 22
- 230000017525 heat dissipation Effects 0.000 title claims description 56
- 239000002184 metal Substances 0.000 claims abstract description 58
- 229910052751 metal Inorganic materials 0.000 claims abstract description 58
- 230000005855 radiation Effects 0.000 claims abstract description 17
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 18
- 239000000741 silica gel Substances 0.000 claims description 18
- 229910002027 silica gel Inorganic materials 0.000 claims description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 229910052759 nickel Inorganic materials 0.000 claims description 10
- 239000003973 paint Substances 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 230000007774 longterm Effects 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 26
- 238000000576 coating method Methods 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910021389 graphene Inorganic materials 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- -1 graphite alkene Chemical class 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
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- Projection Apparatus (AREA)
Abstract
The utility model discloses a heat radiation reflecting bowl and an ultra-short focal optical lens, wherein the heat radiation reflecting bowl comprises a bowl body and a heat radiation structure, the bowl body comprises a first surface and a second surface which are oppositely arranged, the first surface is arranged towards a light incidence surface, the second surface is arranged back to the light incidence surface, a metal layer is arranged on the first surface, a reflecting film is arranged on the surface of the metal layer, the heat radiation structure is arranged on the second surface, and the heat radiation structure is arranged on the second surface of the bowl body back to the light incidence surface, so that the temperature of the bowl body is uniformly changed as a whole, the problem of overhigh local temperature is avoided, the whole temperature of the bowl body is reduced, the problems of temperature drift, thermal defocusing and the like are avoided, and the heat radiation reflecting bowl is suitable for long-term use of the ultra-short focal optical lens.
Description
Technical Field
The utility model relates to the technical field of projection, in particular to a heat dissipation reflecting bowl and an ultra-short focal optical lens.
Background
The rapid development of modern projector technology, the ultra-short focal optical lens used by high lumen (home/office) projectors and high lumen engineering machines, is an important member in the field of projector optical lenses; the use environment is greatly changed compared with the prior low lumen. With the pursuit of high brightness in the projection industry, laser light sources have become a trend of future development, and optical lenses are relatively required to adapt to application environments of laser light sources with different high lumens. The existing coating process of the reflecting bowl and the heat dissipation of the metal coating layer and other modes can not meet the heat dissipation of the reflecting bowl, particularly under the environment of three-color laser light sources with high light energy such as high brightness/high lumen (more than 3000 LM), the reflecting mirror still has the problems of uneven local heating, overhigh temperature and the like, and the problems of temperature drift/thermal defocusing and the like of the optical lens can be caused, so that the use of the optical lens is influenced.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the heat radiation reflecting bowl capable of improving the heat radiation effect.
The utility model also provides an ultra-short focal optical lens using the heat dissipation reflecting bowl.
According to a first aspect of the utility model, a heat dissipating reflective bowl according to an embodiment includes
The bowl body comprises a first surface facing to the light incidence surface and a second surface facing away from the light incidence surface, a metal layer is arranged on the first surface, and a reflecting film is arranged on the surface of the metal layer;
and the heat dissipation structure is arranged on the second surface.
The heat dissipation and reflection bowl provided by the embodiment of the first aspect of the utility model has at least the following beneficial effects: the heat radiation reflecting bowl comprises a bowl body and a heat radiation structure, wherein the bowl body comprises a first surface and a second surface which are oppositely arranged, the first surface faces towards a light incidence surface, the second surface faces away from the light incidence surface, a metal layer is arranged on the first surface, a reflecting film is arranged on the surface of the metal layer, the heat radiation structure is arranged on the second surface, and the heat radiation structure is arranged on the second surface of the bowl body facing away from the light incidence surface, so that the temperature of the bowl body is uniformly changed as a whole, the problem of overhigh local temperature is avoided, the whole temperature of the bowl body is reduced, the problems of temperature drift, thermal defocusing and the like are avoided, and the heat radiation reflecting bowl is suitable for long-term use of an ultra-short-focus optical lens.
According to some embodiments of the utility model, the heat dissipating structure is provided as a heat sink, which is provided on the second face.
According to some embodiments of the utility model, the heat sink has a thickness of 0.01mm or greater.
According to some embodiments of the utility model, the heat dissipating structure is configured as a heat dissipating silicone, which is attached to the second face.
According to some embodiments of the utility model, the thickness of the heat dissipation silica gel is greater than or equal to 0.15mm, and the thermal conductivity of the heat dissipation silica gel is greater than or equal to 1.0w/m.k.
According to some embodiments of the utility model, the heat dissipation structure is a metal heat sink, the metal heat sink is fixedly mounted on the second surface, and heat dissipation silica gel or heat dissipation mud is arranged on the metal heat sink.
According to some embodiments of the utility model, the metal heat sink is made of nickel metal or copper metal.
According to some embodiments of the utility model, the heat dissipating structure is provided as a heat dissipating paint sprayed on the second face.
According to some embodiments of the utility model, the metal layer is a nickel metal layer or a copper metal layer.
An ultra-short focal optical lens according to an embodiment of the second aspect of the present utility model includes the heat dissipation reflective bowl of the embodiment of the first aspect.
The ultra-short focal optical lens according to the embodiment of the second aspect of the present utility model has at least the following advantages: according to the ultra-short focal optical lens, the heat dissipation reflecting bowl of the embodiment of the first aspect is used, so that the temperature of the bowl body can be uniformly changed as a whole, the problem of overhigh local temperature is avoided, the whole temperature of the bowl body is reduced, the problems of temperature drift, thermal defocusing and the like are avoided, and the ultra-short focal optical lens is suitable for long-term use.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic structural view of a heat dissipation reflective bowl according to an embodiment of the utility model.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, inner, outer, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, mounting, connection, assembly, cooperation, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical solution.
A heat dissipating reflective bowl according to an embodiment of the present utility model is described below with reference to fig. 1.
The heat dissipation and reflection bowl according to the embodiment of the utility model, as shown in fig. 1, includes a bowl body 100, where the bowl body 100 includes a first surface 110 and a second surface 120, the first surface 110 and the second surface 120 are opposite to each other, specifically, an arrow a in fig. 1 points to a light incident surface, the first surface 110 of the bowl body 100 is disposed towards the light incident surface, the second surface 120 is disposed opposite to the light incident surface, a metal layer 111 is disposed on the first surface 110, a reflective film 112 is disposed on a surface of the metal layer 111, the metal layer 111 can dissipate heat of the bowl body 100, a reflective film 112 is disposed on a surface of the metal layer 111, and the metal layer 111 has a better heat conducting property, so that a heat dissipation speed of the reflective film 112 can be increased, a heat dissipation performance of the bowl body 100 is improved, and thermal deformation of the reflective film 112 due to poor heat dissipation is avoided. The metal layer 111 also has the characteristic of high strength, and the metal layer 111 is not easy to deform, so that the stability of the shape of the reflective film 112 attached to the surface of the metal layer 111 is further ensured, and the quality of a projection image is further ensured. The heat radiation structure 200 is arranged on the second surface 120 of the bowl body 100, the heat radiation performance of the bowl body 100 can be enhanced by the heat radiation structure 200, the temperature of the bowl body 100 is uniformly and integrally changed, the problem of overhigh local temperature is avoided, the overall temperature of the bowl body 100 is reduced, the problems of temperature drift, thermal defocusing and the like are avoided, and the bowl is suitable for long-term use of an ultra-short focal optical lens.
According to some embodiments of the utility model, the heat dissipating structure 200 is provided as a heat sink, which is provided on the second face 120. The fin is installed on the second face 120 of bowl body 100 facing away from the light incident surface, specifically, in some embodiments, the fin is set to graphene fin, and the graphene fin is installed on the second face 120 of bowl body 100, so that the heat dissipation performance of bowl body 100 can be enhanced, the temperature of bowl body 100 is uniformly changed as a whole, the problem of local overhigh temperature is avoided, the overall temperature of bowl body 100 is reduced, and the problems of temperature drift, thermal defocusing and the like are avoided. Specifically, in some embodiments, the thickness of the heat sink is 0.01mm or greater. The fin sets up to the graphite alkene fin, and the thickness of graphite alkene fin is greater than or equal to 0.01mm. It can be appreciated that the thicker the thickness, the higher the thermal conductivity and the better the thermal conductivity. It will be appreciated that in some other embodiments, the heat sink may be made of other materials, and the higher the thermal conductivity of the material, the better the heat dissipation effect on the bowl 100.
According to some embodiments of the present utility model, the heat dissipation structure 200 is configured as a heat dissipation silica gel, and the heat dissipation silica gel is attached to the second surface 120. The heat dissipation silica gel is also called heat conduction silica gel and heat conduction silica gel, and has the characteristics of low thermal resistance, high heat conduction performance and high flexibility, and the heat dissipation silica gel with high flexibility can cover the whole second surface 120 of the bowl body 100, so that the second surface 120 of the bowl body 100 can fully dissipate heat, and the heat conduction performance and the heat transfer efficiency of the second surface 120 of the bowl body 100 are enhanced. Specifically, according to some embodiments of the present utility model, the thickness of the heat dissipation silica gel is greater than or equal to 0.15mm, and the thermal conductivity of the heat dissipation silica gel is greater than or equal to 1.0w/m.k. It can be understood that the thicker the heat dissipation silica gel, the better the heat dissipation performance and the higher the thermal conductivity.
According to some embodiments of the present utility model, the heat dissipation structure is configured as a metal heat sink, and the metal heat sink is fixedly mounted on the second surface 120, and the metal heat sink is provided with heat dissipation silica gel or heat dissipation mud thereon. The metal radiator is disposed on the second surface 120 of the bowl body 100, and the metal radiator has good heat conducting property and can conduct heat of the bowl body 100. Be provided with heat dissipation silica gel or heat dissipation mud on the metal radiator, heat dissipation silica gel or heat dissipation mud can strengthen the heat dispersion of metal radiator, makes heat radiation structure to bowl body 100 radiating effect better.
According to some embodiments of the utility model, the metal heat sink is provided as a nickel metal material or a copper metal material. Nickel metal and copper metal have better heat conductivility, use nickel metal and copper metal as the material of metal radiator, can accelerate the radiating rate of bowl body 100, improve the heat dispersion of bowl body 100, make the whole uniform variation of bowl body 100 temperature, avoid appearing the too high problem of local temperature, reduce the whole temperature of bowl body 100, avoid appearing the temperature drift and the thermal defocus scheduling problem.
According to some embodiments of the utility model, the heat dissipating structure 200 is provided as a heat dissipating paint that is sprayed onto the second face 120. The heat dissipation coating is sprayed on the second surface 120 of the bowl body 100 opposite to the light incident surface, specifically, in some embodiments, the heat dissipation coating is set to be graphene heat dissipation coating, and the graphene heat dissipation coating is sprayed on the second surface 120 of the bowl body 100, so that the heat dissipation performance of the bowl body 100 can be enhanced, the temperature of the bowl body 100 is uniformly changed as a whole, the problem of overhigh local temperature is avoided, the overall temperature of the bowl body 100 is reduced, and the problems of temperature drift, thermal defocus and the like are avoided. Specifically, in some embodiments, the thickness of the heat dissipating coating is 0.01mm or greater. The heat dissipation coating is set to be graphene heat dissipation coating, and the thickness of the graphene heat dissipation coating is greater than or equal to 0.01mm. It can be appreciated that the thicker the thickness, the higher the thermal conductivity and the better the thermal conductivity.
According to some embodiments of the utility model, the metal layer 111 is a nickel metal layer 111 or a copper metal layer 111. The metal layer 111 is disposed on the first surface 110 of the bowl body 100, the metal layer 111 is formed by a nickel metal layer 111 or a copper metal layer 111, and the nickel metal layer 111 or the copper metal layer 111 has better heat conduction performance, so that the heat dissipation speed of the reflective film 112 can be increased, the heat dissipation performance of the bowl body 100 is improved, and the reflective film 112 is prevented from being deformed due to poor heat dissipation. The arrangement of the metal layer 111 also ensures the shape stability of the light reflecting film 112, so that the light reflecting film 112 can be stably attached to the surface of the metal layer 111.
An ultra-short focal optical lens according to an embodiment of the second aspect of the present utility model includes the heat dissipation reflective bowl of the embodiment of the first aspect. According to the ultra-short focal optical lens, the heat dissipation reflection bowl of the embodiment of the first aspect is used, so that the temperature of the bowl body 100 can be uniformly changed overall, the problem of overhigh local temperature is avoided, the overall temperature of the bowl body 100 is reduced, the problems of temperature drift, thermal defocusing and the like are avoided, the ultra-short focal optical lens is suitable for long-term use of the ultra-short focal optical lens, and the quality of a projection image is ensured.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (10)
1. Heat dissipation reflection bowl, its characterized in that includes:
the bowl body comprises a first surface facing to the light incidence surface and a second surface facing away from the light incidence surface, a metal layer is arranged on the first surface, and a reflecting film is arranged on the surface of the metal layer;
and the heat dissipation structure is arranged on the second surface.
2. The heat sink and reflector bowl of claim 1, wherein the heat dissipating structure is configured as a heat sink, the heat sink being disposed on the second face.
3. The heat sink and reflector bowl of claim 2, wherein the heat sink fin has a thickness of 0.01mm or greater.
4. The heat sink and reflector bowl of claim 1, wherein the heat sink structure is configured as a heat sink silicone, the heat sink silicone being attached to the second face.
5. The heat dissipation and reflection bowl according to claim 4, wherein the thickness of the heat dissipation silica gel is greater than or equal to 0.15mm, and the heat conductivity of the heat dissipation silica gel is greater than or equal to 1.0w/m.k.
6. The heat dissipating reflecting bowl according to claim 1, wherein the heat dissipating structure is a metal heat sink fixedly mounted on the second surface, and heat dissipating silica gel or heat dissipating mud is provided on the metal heat sink.
7. The heat sink and reflector bowl of claim 6, wherein the metal heat sink is made of nickel metal or copper metal.
8. The heat sink and reflector bowl of claim 1, wherein the heat dissipating structure is provided as a heat dissipating paint sprayed on the second face.
9. The heat sink reflector bowl of claim 1, wherein the metal layer is a nickel metal layer or a copper metal layer.
10. An ultra-short focal optical lens, characterized by comprising the heat radiation reflecting bowl as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321989202.4U CN220419786U (en) | 2023-07-26 | 2023-07-26 | Heat dissipation reflecting bowl and ultrashort focal optical lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321989202.4U CN220419786U (en) | 2023-07-26 | 2023-07-26 | Heat dissipation reflecting bowl and ultrashort focal optical lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220419786U true CN220419786U (en) | 2024-01-30 |
Family
ID=89640316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321989202.4U Active CN220419786U (en) | 2023-07-26 | 2023-07-26 | Heat dissipation reflecting bowl and ultrashort focal optical lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220419786U (en) |
-
2023
- 2023-07-26 CN CN202321989202.4U patent/CN220419786U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |