CN110737161A - laser projection light path engine shell - Google Patents
laser projection light path engine shell Download PDFInfo
- Publication number
- CN110737161A CN110737161A CN201910929164.5A CN201910929164A CN110737161A CN 110737161 A CN110737161 A CN 110737161A CN 201910929164 A CN201910929164 A CN 201910929164A CN 110737161 A CN110737161 A CN 110737161A
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- CN
- China
- Prior art keywords
- heat
- shell
- heat conducting
- light path
- housing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005057 refrigeration Methods 0.000 claims description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229910021389 graphene Inorganic materials 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 description 8
- 230000003287 optical effect Effects 0.000 description 7
- 238000010276 construction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/16—Cooling; Preventing overheating
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention provides an shell for a laser projection light path engine, which comprises a shell for mounting the light path engine, a heat conducting piece, a heat conducting plate and a refrigerating piece, wherein a plurality of threaded holes are formed in the outer wall of the shell, a heat conducting piece is mounted at each threaded hole and is in threaded fit with the threaded holes, the end of the heat conducting piece extends into the shell, the other end of the heat conducting piece is exposed out of the shell, the heat conducting plate is matched with the outline of the outer wall of the shell in shape and is connected with all the heat conducting pieces to carry out heat transfer, and the refrigerating piece is in abutting contact with the heat conducting plate at the refrigerating part of the refrigerating piece to carry out heat transfer.
Description
Technical Field
The invention relates to the field of light path engines, in particular to a housing for laser projection light path engines.
Background
As technology advances, the existing projectors are smaller and smaller, which is greatly convenient for people to work and live, as is known, the light source is generally disposed on the light path engine housing in the projector, and the light source is generally high in power and generates more heat, and a heat dissipation system is needed to dissipate heat.
Disclosure of Invention
In order to overcome the defects of the prior art, the technical problem to be solved by the invention is to provide shells for laser projection optical path engines, which have novel structures, can effectively dissipate the heat of core optical path components inside the optical path engine, reduce the specification of an external heat dissipation system and further reduce the overall volume of a projector.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides an shell for a laser projection light path engine, which comprises a shell for mounting the light path engine, a heat conducting piece, a heat conducting plate and a refrigerating piece, wherein a plurality of threaded holes are formed in the outer wall of the shell, a heat conducting piece is mounted at each threaded hole and is in threaded fit with the threaded holes, the end of the heat conducting piece extends into the shell, the other end of the heat conducting piece is exposed out of the shell, the heat conducting plate is matched with the outline of the outer wall of the shell in shape and is connected with all the heat conducting pieces to conduct heat transfer, and the refrigerating part of the refrigerating piece is in abutting contact with the heat conducting plate to conduct heat transfer.
In a preferred embodiment of the present invention, the heat conducting member includes a tube body and a nut head fixed to the end of the tube body, the outer wall of the tube body is threaded and is in threaded engagement with the threaded hole, and the tube body is internally fixed with a heat conducting pillar.
In a preferred technical scheme of the invention, the tube body is made of copper metal, the heat conduction column is made of graphene, and the heat conduction plate is made of graphene.
In a preferred technical scheme of the invention, the heat conducting plate is provided with a plurality of through holes corresponding to the threaded holes on the shell, the diameter of each through hole is matched with that of the pipe body, the heat conducting piece penetrates through the through holes and is fixedly connected with the threaded holes in a threaded manner, and the heat conducting plate is fixed on the outer wall of the shell through the heat conducting piece.
In a preferred technical scheme of the present invention, an end of the pipe body extending into the housing protrudes out of an inner wall of the housing, and an end of the heat conducting column is flush with an end of the pipe body.
In a preferred technical scheme of the present invention, an end of the pipe body extending into the casing protrudes from an inner wall of the casing, and an end of the heat conducting column protrudes from an end of the pipe body.
In a preferred technical scheme of the invention, the end of the pipe body extending into the shell is flush with the inner wall of the shell, and the end of the heat-conducting column is flush with the end of the pipe body.
In a preferred technical scheme of the invention, the outer wall of the end part of each threaded hole far away from the inside of the shell is fixedly provided with a retaining ring.
In a preferred technical scheme of the invention, the refrigeration piece comprises a box body and passage openings arranged at two ends of the box body, the interior of the box body is fixedly provided with a refrigeration piece, the shape of the passage openings is matched with that of the heat conduction plates, the heat conduction plates penetrate through the box body from the two passage openings, and the refrigeration surfaces of the refrigeration pieces are in abutting contact with the heat conduction plates positioned in the box body to carry out heat transfer.
In a preferred technical scheme of the invention, the refrigerator comprises at least two refrigeration pieces which are distributed on two opposite sides of the shell.
The invention has the beneficial effects that:
the shell for the laser projection light path engine is novel in structure, the heat conducting piece can transfer heat out of the inside of the closed shell, the heat is transferred and diffused through the heat conducting plate and is cooled rapidly under the action of the refrigerating piece, effective heat dissipation is achieved on core light path components inside the light path engine, the specification of an external heat dissipation system is reduced, the overall size of the projector is reduced, the heat conducting plate is fixed with the shell through the heat conducting piece, the refrigerating piece is arranged close to the heat conducting plate, the overall structure is compact, and space occupation is reduced in steps.
Drawings
FIG. 1 is a top view of the internal structure of an enclosure for types of laser projection light path engines provided in an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic view of an th construction of a heat transfer member provided in an embodiment of the present invention;
FIG. 4 is a schematic view of a second construction of a heat-conducting member provided in an embodiment of the present invention;
FIG. 5 is a schematic view showing a third structure of a heat-conducting member provided in an embodiment of the present invention;
fig. 6 is a schematic view of the construction of a refrigeration member provided in an embodiment of the present invention.
In the figure:
100. a housing; 110. a threaded hole; 120. a baffle ring; 200. a heat conductive member; 210. a pipe body; 220. a nut head; 230. a heat-conducting column; 300. a heat conducting plate; 310. a through hole; 400. a refrigeration member; 410. a box body; 420. a passage port; 430. a refrigeration sheet.
Detailed Description
The technical solution of the present invention is further illustrated by the following detailed description with reference to the drawings.
As shown in fig. 1 and 2, in the embodiment of the invention, an kinds of shells for a laser projection light path engine are disclosed, including a casing 100 for mounting the light path engine, the outer wall of the casing 100 is provided with a plurality of threaded holes 110, each threaded hole 110 is provided with a heat conducting member 200, the heat conducting member 200 is in threaded fit with the threaded hole 110, an end of the heat conducting member 200 extends into the casing 100, and another end of the heat conducting member is exposed out of the casing 100, a heat conducting plate 300, the shape of the heat conducting plate 300 is adapted to the outer wall profile of the casing 100, the heat conducting plate 300 is connected with all the heat conducting members 200 for heat transfer, and a refrigeration member 400, the refrigeration part of the refrigeration member 400 is in contact with the heat conducting plate 300 for heat transfer.
The shells for the laser projection light path engine are novel in structure, the heat conducting piece 200 can transfer heat out of the sealed shell 100, the heat is transferred and diffused through the heat conducting plate 300 and is cooled rapidly under the action of the refrigerating piece 400, effective heat dissipation is carried out on core light path components inside the light path engine, the specification of an external heat dissipation system is reduced, and therefore the overall size of the projector is reduced, the heat conducting plate 300 is fixed with the shell 100 through the heat conducting piece 200, the refrigerating piece 400 is arranged close to the heat conducting plate, the overall structure is compact, and space occupation is reduced in steps.
, the heat conducting member 200 includes a tube 210 and a nut head 220 fixed at the end of the tube 210 , the outer wall of the tube 210 is provided with threads and is in threaded engagement with the threaded hole 110, and the tube 210 is fixed inside with a heat conducting column 230, so that the heat conducting member 200 is convenient to engage with the casing 100, the heat conducting plate 300 is convenient to disassemble and assemble, and the heat conducting plate is also convenient to install.
, the tube body 210 is made of copper metal, the heat conducting column 230 is made of graphene, the heat conducting plate 300 is made of graphene, the tube body 210 and the heat conducting column 230 can be separated independently through the structural design, the heat conducting column 230 can be prevented from contacting the threaded hole 110, the heat conducting column 110 made of graphene is prevented from being scraped by the threaded hole 110, dust is prevented from being generated, and the heat conducting column 230 and the heat conducting plate 300 are made of graphene, so that the heat conducting efficiency can be greatly improved, the heat diffusion is accelerated, and the rapid heat diffusion is guaranteed.
, the heat conducting plate 300 has a plurality of through holes 310 corresponding to the threaded holes 110 of the casing 100, the diameter of the through holes 310 is matched with the diameter of the tube 210, the heat conducting member 200 penetrates the through holes 310 and is screwed into the threaded holes 110, and the heat conducting plate 300 is fixed to the outer wall of the casing 100 via the heat conducting member 200.
, as shown in fig. 3 and B of fig. 1, the end of the tube 210 extending into the housing 100 protrudes from the inner wall of the housing 100, and the end of the heat-conducting pillar 230 is flush with the end of the tube 210. the heat-conducting member 200 with this structure is suitable for the area where the core optical path components are spaced normally, and the core optical path components are spaced from the inner wall of the housing 100, and the heat generated by this area is not too high, so as to satisfy normal heat conduction.
As shown in FIG. 4 and C of FIG. 1, the end of the tube 210 extending into the housing 100 protrudes from the inner wall of the housing 100, and the end of the heat-conducting rod 230 protrudes from the end of the tube 210. the heat-conducting member 200 with this structure is suitable for the area where the high-heat-generation light path component is installed, and the light path component is spaced from the inner wall of the housing 100, such as the light source and the color wheel installation position, and needs to provide a good heat-conducting effect.
, the end of the tube 210 extending into the housing 100 is flush with the inner wall of the housing 100, and the end of the heat-conducting post 230 is flush with the end of the tube 210, as shown in fig. 5 and part D of fig. 1. the heat-conducting member 200 is suitable for disposing the optical path component next to the inner wall of the housing 100, so as to avoid the heat-conducting member 200 affecting the normal installation of the optical path component.
, a retaining ring 120 is fixedly arranged on the outer wall of the end of each threaded hole 110 far away from the inside of the shell 100.
furthermore, as shown in fig. 6, the refrigeration piece 400 includes a box body 410 and passage ports 420 disposed at two ends of the box body 410, a refrigeration piece 430 is fixedly disposed inside the box body 410, the passage ports 420 are matched with the shape of the heat conducting plate 300, the heat conducting plate 300 penetrates the box body 410 from the two passage ports 420, and the refrigeration surface of the refrigeration piece 430 is in contact with the heat conducting plate 300 inside the box body 410 to transfer heat, the structural design facilitates the installation and matching of the heat conducting plate 300 and the refrigeration piece 400, and improves the contact area between the refrigeration piece 400 and the heat conducting plate 300, thereby further improving heat conduction and heat dissipation effects.
, at least two refrigeration pieces 400 are distributed on two opposite sides of the casing 100. it should be noted that, the location distribution design of the refrigeration pieces 400 is performed according to the outer contour of the casing 100, the heat conducting plate 300 is separated into more intervals as much as possible, so that the refrigeration pieces 400 can conduct better heat conduction and heat dissipation to the heat conducting plate 300.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (10)
1, A housing for a laser projection light path engine, comprising a housing (100) for mounting the light path engine, characterized in that:
the outer wall of the shell (100) is provided with a plurality of threaded holes (110), each threaded hole (110) is provided with a heat-conducting piece (200), each heat-conducting piece (200) is in threaded fit with the corresponding threaded hole (110), the end of each heat-conducting piece (200) extends into the shell (100), and the end of each heat-conducting piece is exposed out of the shell (100);
the heat conducting plate (300), the shape of the outline of the outer wall of the shell (100) is matched with that of the heat conducting plate (300), and the heat conducting plate (300) is connected with all the heat conducting pieces (200) for heat transfer;
the refrigeration part (400) is in abutting contact with the heat conducting plate (300) at the refrigeration part (400) to carry out heat transfer.
2. The housing of types of laser projection light path engine as defined in claim 1, wherein:
the heat conducting piece (200) comprises a pipe body (210) and a nut head (220) fixedly arranged at the end of the pipe body (210), the outer wall of the pipe body (210) is provided with threads and is in threaded fit with the threaded hole (110), and a heat conducting column (230) is fixedly arranged inside the pipe body (210).
3. The housing of types of laser projection light path engine as defined in claim 2, wherein:
the tube body (210) is made of copper metal, the heat conduction column (230) is made of graphene, and the heat conduction plate (300) is made of graphene.
4. The housing of types of laser projection light path engine as defined in claim 2, wherein:
the heat conducting plate (300) is provided with a plurality of through holes (310) corresponding to the threaded holes (110) in the shell (100), the diameter of each through hole (310) is matched with that of the tube body (210), the heat conducting piece (200) penetrates through the through holes (310) and is fixedly connected with the threaded holes (110) in a threaded manner, and the heat conducting plate (300) is fixed on the outer wall of the shell (100) through the heat conducting piece (200).
5. The housing of types of laser projection light path engine as defined in claim 2, wherein:
the end part of the pipe body (210) extending into the shell (100) protrudes out of the inner wall of the shell (100), and the end part of the heat conducting column (230) is flush with the end part of the pipe body (210).
6. The housing of types of laser projection light path engine as defined in claim 2, wherein:
the end part of the pipe body (210) extending into the shell (100) protrudes out of the inner wall of the shell (100), and the end part of the heat conducting column (230) protrudes out of the end part of the pipe body (210).
7. The housing of types of laser projection light path engine as defined in claim 2, wherein:
the end part of the pipe body (210) extending into the shell (100) is flush with the inner wall of the shell (100), and the end part of the heat conducting column (230) is flush with the end part of the pipe body (210).
8. The housing of types of laser projection light path engine as defined in claim 1, wherein:
and a baffle ring (120) is fixedly arranged on the outer wall of the end part of each threaded hole (110) far away from the inside of the shell (100).
9. The housing of types of laser projection light path engine as defined in claim 1, wherein:
refrigeration piece (400) include box body (410) and locate the passway (420) at box body (410) both ends, box body (410) inside fixed refrigeration piece (430) of being equipped with, passway (420) with heat-conducting plate (300) shape looks adaptation, heat-conducting plate (300) are from two passway (420) run through box body (410), just the refrigeration face of refrigeration piece (430) with be located inside box body (410) heat-conducting plate (300) support to hold the contact, carry out the heat transfer.
10. The housing of types of laser projection light path engine as defined in claim 1, wherein:
at least two refrigerating elements (400) are arranged and distributed on two opposite sides of the shell (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910929164.5A CN110737161A (en) | 2019-09-28 | 2019-09-28 | laser projection light path engine shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910929164.5A CN110737161A (en) | 2019-09-28 | 2019-09-28 | laser projection light path engine shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110737161A true CN110737161A (en) | 2020-01-31 |
Family
ID=69269774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910929164.5A Pending CN110737161A (en) | 2019-09-28 | 2019-09-28 | laser projection light path engine shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110737161A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101090627A (en) * | 2006-06-15 | 2007-12-19 | 精工爱普生株式会社 | Cooling device and projector |
| JP2013065584A (en) * | 2011-08-31 | 2013-04-11 | Clarion Co Ltd | Electronic apparatus |
| WO2018213717A1 (en) * | 2017-05-19 | 2018-11-22 | Commscope Technologies Llc | Telecommunications enclosure with separate heat sink assembly |
| CN208490032U (en) * | 2018-08-10 | 2019-02-12 | 景瓷精密零部件（桐乡）有限公司 | A kind of integrated microelectrode plate |
| CN210742664U (en) * | 2019-09-28 | 2020-06-12 | 广东联大光电有限公司 | Laser projection light path shell for engine |
-
2019
- 2019-09-28 CN CN201910929164.5A patent/CN110737161A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101090627A (en) * | 2006-06-15 | 2007-12-19 | 精工爱普生株式会社 | Cooling device and projector |
| JP2013065584A (en) * | 2011-08-31 | 2013-04-11 | Clarion Co Ltd | Electronic apparatus |
| WO2018213717A1 (en) * | 2017-05-19 | 2018-11-22 | Commscope Technologies Llc | Telecommunications enclosure with separate heat sink assembly |
| CN208490032U (en) * | 2018-08-10 | 2019-02-12 | 景瓷精密零部件（桐乡）有限公司 | A kind of integrated microelectrode plate |
| CN210742664U (en) * | 2019-09-28 | 2020-06-12 | 广东联大光电有限公司 | Laser projection light path shell for engine |
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