CN210742664U

CN210742664U - Laser projection light path shell for engine

Info

Publication number: CN210742664U
Application number: CN201921648692.5U
Authority: CN
Inventors: 饶钦和; 李华宏; 白金刚; 王智峰
Original assignee: Guangdong Lianda Photoelectricity Co ltd
Current assignee: Guangdong Lianda Photoelectricity Co ltd
Priority date: 2019-09-28
Filing date: 2019-09-28
Publication date: 2020-06-12
Anticipated expiration: 2029-09-28

Abstract

The utility model provides a shell for a laser projection light path engine, which comprises a shell for mounting the light path engine, wherein the outer wall of the shell is provided with a plurality of threaded holes, a heat conducting piece is arranged at each threaded hole, the heat conducting piece is in threaded fit with the threaded holes, one end of the heat conducting piece extends into the shell, and 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; the refrigerating part of the refrigerating piece is in abutting contact with the heat conducting plate to carry out heat transfer; the structure is novel, the core light path component inside the light path engine can be effectively radiated, and the specification of an external radiating system is reduced, so that the whole volume of the projector is reduced.

Description

Laser projection light path shell for engine

Technical Field

The utility model relates to a light path engine field, more specifically relates to a shell for laser projection light path engine.

Background

With the progress of science and technology, the existing projector is made smaller and smaller, which is greatly convenient for the work and life of people; as is known, the light source is generally disposed on the light path engine housing in the projector, and the light source generally has high power and generates much heat, and needs a special heat dissipation system to dissipate the heat. The conventional heat dissipation system generally includes heat dissipation fins connected to the back of the light source and a heat dissipation fan for removing heat through air. However, the heat dissipation system of the existing projector is generally disposed near the inner sidewall of the projector housing, and the heat dissipation system will occupy a large space inside the projector, which obviously does not meet the trend of miniaturization of the projector.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that a shell for laser projection light path engine is provided, its novel structure can carry out effectual heat dissipation to the inside core light path part of light path engine, reduces outside cooling system's specification to reduce the whole volume of projector.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a shell for a laser projection light path engine, which comprises a shell for mounting the light path engine, wherein the outer wall of the shell is provided with a plurality of threaded holes, a heat conducting piece is arranged at each threaded hole, the heat conducting piece is in threaded fit with the threaded holes, one end of the heat conducting piece extends into the shell, and 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; the refrigeration part is in abutting contact with the heat conduction plate to carry out heat transfer.

The utility model discloses in the technical scheme of preferred, heat-conducting piece includes the body and fixes locating the nut head of body one end, the outer wall of body be equipped with the screw thread, and with the screw hole carries out screw-thread fit, the fixed heat conduction post that is equipped with in inside of body.

The utility model discloses in the technical scheme of preferred, the body is made by copper metal, the heat conduction post is made by graphite alkene, the heat-conducting plate is made by graphite alkene.

The utility model discloses in the technical scheme of preferred, the heat-conducting plate corresponds on the casing a plurality of through-holes have been seted up to the screw hole, the diameter of through-hole with the diameter looks adaptation of body, the heat-conducting piece runs through the through-hole, and with screw hole threaded connection is fixed, the heat-conducting plate warp the heat-conducting piece is fixed the outer wall of casing.

The utility model discloses in the technical scheme of preferred, the body stretches into the inside tip salient of casing in the inner wall of casing, the tip of heat conduction post with the tip parallel and level of body.

The utility model discloses in the technical scheme of preferred, the body stretches into the inside tip salient of casing in the inner wall of casing, the tip salient of heat conduction post in the tip of body.

The utility model discloses in the technical scheme of preferred, the body stretches into the inside tip of casing with shells inner wall parallel and level, the tip of heat conduction post with the tip parallel and level of body.

The utility model discloses in the technical scheme of preferred, each the screw hole is kept away from the inside tip outer wall of casing all is fixed to be equipped with and keeps off the ring.

The utility model discloses among the technical scheme of preferred, the refrigeration piece includes the box body and locates the passway at box body both ends, the inside fixed refrigeration piece that is equipped with of box body, the passway with heat-conducting plate shape looks adaptation, the heat-conducting plate is from two the passway runs through the box body, just the refrigeration face of refrigeration piece with be located inside the box body the heat-conducting plate supports and holds the contact, carries out the heat transfer.

The utility model discloses among the technical scheme of preferred, include two at least refrigeration piece, and distribute in the relative both sides of casing.

The utility model has the advantages that:

the utility model provides a shell for laser projection light path engine, its novel structure, the heat transfer in the airtight casing can be carried out in the setting of heat conduction piece, the heat carries out thermal transmission diffusion through the heat-conducting plate, and carries out cooling down with higher speed under the effect of refrigeration piece, realizes carrying out effectual heat dissipation to the core light path part in the light path engine, reduces the specification of outside cooling system to reduce the whole volume of projector; and the heat conducting plate is fixed with the shell through the heat conducting piece, and the refrigerating piece is arranged close to the heat conducting plate, so that the whole structure is compact, and the occupied space is further reduced.

Drawings

Fig. 1 is a top view of an internal structure of a housing for a laser projection light path engine provided in an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a first structural view of a heat-conducting member provided in an embodiment of the present invention;

fig. 4 is a schematic view of a second structure of a heat-conducting member provided in an embodiment of the present invention;

fig. 5 is a third structural view of a heat-conducting member provided in an embodiment of the present invention;

fig. 6 is a schematic structural view of a refrigerating 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 explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1 and fig. 2, the embodiment of the present invention discloses a housing for a laser projection light path engine, which includes a housing 100 for mounting the light path engine, the outer wall of the housing 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, and one end of the heat conducting member 200 extends into the housing 100, and the other end is exposed outside the housing 100; a heat conducting plate 300, wherein the heat conducting plate 300 is adapted to the shape of the outer wall profile of the casing 100, and the heat conducting plate 300 is connected with all the heat conducting members 200 for heat transfer; the refrigeration part 400 is contacted with the heat conducting plate 300 in a propping manner to carry out heat transfer.

The shell for the laser projection light path engine is novel in structure, the heat conducting piece 200 can transfer heat inside the closed shell 100, the heat is transferred and diffused through the heat conducting plate 300 and is cooled rapidly under the action of the cooling 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; and the heat conducting plate 300 is fixed with the casing 100 through the heat conducting member 200, and the refrigeration member 400 is arranged close to the heat conducting plate, so that the whole structure is compact, and the occupied space is further reduced.

Further, the heat conducting member 200 includes a tube 210 and a nut head 220 fixed at one end of the tube 210, the outer wall of the tube 210 is provided with threads and is in threaded fit with the threaded hole 110, and the inside of the tube 210 is fixedly provided with a heat conducting column 230; this structural design facilitates the cooperation of the heat-conducting member 200 with the housing 100, facilitates the disassembly and assembly, and also facilitates the installation of the heat-conducting plate 300.

Further, 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; the structural design can separate the tube body 210 from the heat-conducting column 230 independently, and can prevent the heat-conducting column 230 from contacting with the threaded hole 110, so that the heat-conducting column 110 made of graphene is prevented from being scraped by the threaded hole 110 and dust is prevented from being generated; the heat-conducting columns 230 and the heat-conducting plate 300 are made of graphene, so that the heat-conducting efficiency can be greatly improved, and the heat diffusion is accelerated, thereby ensuring the rapid heat diffusion.

Further, 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 adapted to the diameter of the tube 210, the heat conducting member 200 penetrates through the through holes 310 and is fixed to the threaded holes 110 by means of threads, and the heat conducting plate 300 is fixed to the outer wall of the casing 100 via the heat conducting member 200.

Further, as shown in fig. 3 and part B of fig. 1, an end of the tube 210 extending into the housing 100 protrudes from an inner wall of the housing 100, and an end of the heat-conducting pillar 230 is flush with an end of the tube 210; the heat conducting member 200 with the structure is suitable for the area where the intervals between the core light path components are normal, and the interval exists between the core light path components and the inner wall of the shell 100, so that the heat generated in the area is not too high generally, and the normal heat conduction is satisfied.

Further, as shown in fig. 4 and part C of fig. 1, an end of the tube 210 extending into the casing 100 protrudes from an inner wall of the casing 100, and an end of the heat-conducting column 230 protrudes from an end of the tube 210; the heat conducting member 200 with such a structure is suitable for a region where a high-heat-generation light path component is installed, and a distance exists between the light path component and the inner wall of the housing 100, such as a light source, a color wheel installation position, and the like, and needs to provide a good heat conducting effect.

Further, as shown in fig. 5 and part D of fig. 1, the end of the tube 210 extending into the casing 100 is flush with the inner wall of the casing 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 the structure is suitable for the light path component to be arranged close to the inner wall of the shell 100, so that the condition that no space is left is adapted, and the heat conducting member 200 is prevented from influencing the normal installation of the light path component.

Further, a retaining ring 120 is fixedly arranged on the outer wall of the end portion of each threaded hole 110 far away from the inside of the housing 100.

Further, 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 through 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 for heat transfer; this structural design makes things convenient for the installation cooperation of heat-conducting plate 300 and refrigeration piece 400, improves the area of contact of refrigeration piece 400 and heat-conducting plate 300 to further improve heat conduction, radiating effect.

Further, at least two of the refrigeration pieces 400 are included and distributed on two opposite sides of the housing 100; it should be noted that, the position distribution design of the refrigeration piece 400 is performed according to the outer contour of the casing 100, and the heat conduction plate 300 is partitioned into more consistent intervals as much as possible, so that the refrigeration piece 400 can perform better heat conduction and heat dissipation on the heat conduction 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

1. A housing for a laser projection light path engine, comprising a housing (100) for mounting the light path engine, characterized by:

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), one end of each heat-conducting piece (200) extends into the shell (100), and the other 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. A housing for a 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 one 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. A housing for a 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. A housing for a 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. A housing for a 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. A housing for a 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. A housing for a 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. A housing for a 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. A housing for a 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. A housing for a 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).