CN211786558U

CN211786558U - Heat radiation structure of projection equipment printing opacity image screen

Info

Publication number: CN211786558U
Application number: CN202021002832.4U
Authority: CN
Inventors: 黄继能; 官锦峰
Original assignee: Suzhou Chuangdalan Photoelectric Technology Co ltd
Current assignee: Suzhou Chuangdalan Photoelectric Technology Co ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2020-10-27
Anticipated expiration: 2030-06-04

Abstract

The utility model discloses a heat radiation structure of projection equipment printing opacity image screen relates to projection equipment heat dissipation field a heat radiation structure of projection equipment printing opacity image screen, including luminous chip, luminous head has been seted up to one side of luminous chip, the shell has been cup jointed in the outside of luminous chip, the cooling water ring has been cup jointed in the outside of shell, the internally mounted that one side of luminous chip is located the shell has the light guide shell, the inner wall connection of light guide shell has the cooling tube. The utility model discloses a solid fixed ring and return spring that set up, when needs are changed the image screen, press respectively on two sets of flexible glue boards with forefinger and thumb, forefinger and two sets of flexible glue boards of the reverse promotion of thumb to remove the fixed ring to the image screen, dismantle the image screen from the outside of leaded light shell with another hand, install leaded light shell one side with new image screen, forefinger and thumb loosen the extrusion to the flexible glue board, return spring pushes back solid fixed ring normal position through the draw runner.

Description

Heat radiation structure of projection equipment printing opacity image screen

Technical Field

The utility model relates to a projection equipment heat dissipation field specifically is a heat radiation structure of projection equipment printing opacity image screen.

Background

Nowadays, the application fields of the projection device are more and more extensive, such as the fields of shop advertisement projection, product display, promotion activities and the like. Aiming at a film projection lamp or a conventional light-transmitting LCD (liquid Crystal display) projector, the projection advertisement can project an advertisement of 1-300 square meters within 1-100 m of the wall surface, which is difficult to achieve by the traditional advertisement form; the advertisement expression technique is flexible and novel, and can effectively attract the sight of people through the application of animation and other accessories with special effects; outdoor projection advertisement does not influence building image in daytime, and can add wind mining for lighting engineering at night.

But at current printing opacity image screen in the use, because the material problem of image screen for the image screen is high temperature resistant, and conventional forced air cooling radiating effect is not good, can block the light-emitting effect of image screen moreover, and the image screen is fixed in projection equipment moreover, and is convenient inadequately when changing the image screen.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems of poor heat dissipation effect and inconvenient replacement of an image screen, the heat dissipation structure of the light-transmitting image screen of the projection equipment is provided.

In order to achieve the above object, the utility model provides a following technical scheme: a heat radiation structure of a light transmission image screen of projection equipment comprises a light emitting chip, a light emitting head is arranged on one side of the light emitting chip, a shell is sleeved on the outer side of the light-emitting chip, a heat-radiating water ring is sleeved on the outer side of the shell, a light guide shell is arranged inside the shell on one side of the light-emitting chip, the inner wall of the light guide shell is connected with a cooling pipe, one side of the light guide shell close to the light emitting head is provided with a focusing mirror, the outer side of the light guide shell is provided with a breathable net, the light guide shell is fixedly connected with the inner wall of the shell through a breathable net, one side of the light guide shell away from the light emitting head is provided with a plurality of groups of fixing rings, an image screen is arranged between the light guide shell and the fixing ring, a water pump is arranged at the top end of the outer shell, and the water pump is communicated with the heat-radiating water ring through a pipeline, the water pump is communicated with the cooling pipe through a pipeline, and the bottom end of the cooling pipe is communicated with the heat-radiating water ring through a pipeline.

Preferably, one side of the light-emitting chip, which is far away from the light-emitting head, is connected with a plurality of groups of silicon substrates, and a fan is installed inside the housing, which is located on one side of the silicon substrates.

Preferably, the outer wall of the heat-radiating water ring is provided with a plurality of groups of heat-radiating fins, and each group of heat-radiating fins is triangular.

Preferably, the cooling tube is spiral in shape, and the outer wall of the cooling tube is attached to the inner wall of the light guide shell.

Preferably, the outer wall of each fixing ring is provided with a soft rubber plate, and the surface of the soft rubber plate is provided with a plurality of groups of uneven scribed lines.

Preferably, the extension board has all been seted up at the both ends of light guide shell, the draw runner has all been seted up at the both ends of solid fixed ring, gu fixed ring passes through draw runner and extension board sliding connection.

Preferably, every group extension board's inside has all seted up return spring, just return spring's tip all with the outer wall welding of draw runner.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model, through the light guide shell, the water pump, the heat dissipation water ring and the cooling pipe, when the projection device runs, the light emitting head emits light into the focusing lens, the light is emitted into the light guide shell through the focusing lens, so that the temperature in the light guide shell is increased, thereby heating the image screen, starting the water pump at the moment, pumping the cooling water in the heat dissipation water ring into the cooling pipe through the pipeline by the water pump, cooling the air in the light guide shell by the cooling pipe, thereby reducing the heating of the image screen and the temperature of the image screen, the overheated cooling water can return to the radiating water ring through the pipeline at the bottom end of the cooling pipe, the heat is radiated into the air outside the equipment through the plurality of groups of radiating fins arranged on the outer wall of the radiating water ring, so that the temperature generated when the equipment runs can be effectively reduced, the radiating effect is improved, and the problem of poor radiating effect is effectively solved;

2. through the solid fixed ring that sets up, the extension board, draw runner and return spring, when needs are changed the image screen, press respectively on two sets of flexible glue boards with forefinger and thumb, forefinger and two sets of flexible glue boards of thumb reverse promotion, make the separation of two sets of solid fixed rings, thereby remove the fixed ring fixed to the image screen, dismantle the image screen from the outside of leaded light shell with another hand, install leaded light shell one side with new image screen, forefinger and thumb loosen the extrusion to the flexible glue board, multiunit return spring pushes back the normal position with solid fixed ring through the draw runner, thereby make the fixed ring fix the image screen, can be convenient change the image screen, use efficiency is improved, the inconvenient problem of image screen change has effectively been solved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the heat dissipation water ring of the present invention;

fig. 3 is a schematic view of the internal structure of the light guide shell of the present invention;

FIG. 4 is a schematic view of the mounting structure of the fixing ring of the present invention;

fig. 5 is a schematic structural view of the fixing ring of the present invention.

In the figure: 1. a light emitting chip; 2. a silicon substrate; 3. a light emitting head; 4. a housing; 5. a fan; 6. a light guide shell; 7. a focusing mirror; 8. a cooling tube; 9. a breathable net; 10. a water pump; 11. an image screen; 12. a fixing ring; 13. a heat-dissipating water ring; 14. a heat sink; 15. a soft rubber plate; 16. a stretching plate; 17. a slide bar; 18. and a return spring.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element 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 invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

The water pumps (model: 4AB12D20R 29B) mentioned in the utility model can be purchased by market or private users.

Referring to fig. 1-5, a heat dissipation structure of a light-transmitting image screen of a projection apparatus includes a light-emitting chip 1, and is characterized in that: light emitting chip 1's one side has been seted up and has been given out light 3, shell 4 has been cup jointed in light emitting chip 1's the outside, radiating water ring 13 has been cup jointed in shell 4's the outside, the internally mounted that one side of light emitting chip 1 is located shell 4 has light guide shell 6, the inner wall connection of light guide shell 6 has cooling tube 8, focus mirror 7 has been seted up to one side that light guide shell 6 is close to light emitting head 3, ventilative net 9 has been seted up in the outside of light guide shell 6, and light guide shell 6 is through ventilative net 9 and shell 4's inner wall fixed connection, the solid fixed ring 12 of multiunit has been seted up to one side that light guide shell 6 kept away from light emitting head 3, install image screen 11 between light guide shell 6 and the solid fixed ring 12, water pump 10 is installed on shell 4's top, and water pump 10 is through pipeline and radiating water ring 13 switch-on.

Please refer to fig. 1, a plurality of groups of silicon substrates 2 are connected to a side of the light emitting chip 1 away from the light emitting head 3, and a fan 5 is installed inside the housing 4 at a side of the silicon substrate 2, so that the light emitting chip 1 can be cooled by the silicon substrate 2, and the light emitting chip 1 is prevented from being overheated to affect the service life.

Please refer to fig. 2, the outer wall of the heat dissipating water ring 13 is provided with a plurality of sets of heat dissipating fins 14, and each set of heat dissipating fins 14 is triangular, so that the heat in the heat dissipating water ring 13 can be dissipated to the outside of the device in time through the plurality of sets of heat dissipating fins 14, thereby improving the heat dissipating efficiency.

Please refer to fig. 1 and fig. 3, the cooling tube 8 is spiral, and the outer wall of the cooling tube 8 is attached to the inner wall of the light guiding shell 6, so that the spiral cooling tube 8 can increase the contact area with the outside, thereby improving the heat absorption efficiency and the heat dissipation effect.

Please refer to fig. 4 and 5, the outer wall of each fixing ring 12 is provided with a plurality of soft rubber plates 15, and the surface of the soft rubber plates 15 is provided with a plurality of groups of uneven scribed lines, so that the friction between the fingers and the soft rubber plates 15 can be increased by the scribed lines, and the fixing rings 12 can be conveniently pushed by the soft rubber plates 15.

Please refer to fig. 4 and 5, two ends of the light guide housing 6 are both provided with extending plates 16, two ends of the fixing ring 12 are both provided with sliding bars 17, the fixing ring 12 is slidably connected to the extending plates 16 through the sliding bars 17, and the fixing ring 12 is slidably connected to the light guide housing 6 through the sliding bars 17, so that the fixing ring 12 is not separated from the light guide housing 6.

Please refer to fig. 5, a return spring 18 is disposed inside each set of extending plates 16, and an end of the return spring 18 is welded to an outer wall of the slide bar 17, so that the fixing ring 12 can be restored to its original position after being pushed by the return spring 18, thereby maintaining the fixing of the fixing ring 12 to the image screen 11.

The working principle is as follows: firstly, the equipment is connected with an external power supply to enable the equipment to operate normally, when the projection equipment operates, the light emitting head 3 enables light to reach the inside of the focusing lens 7, the light is emitted into the light guide shell 6 through the focusing lens 7 to enable the temperature in the light guide shell 6 to rise, so as to heat the image screen 11, the water pump 10 is started at the moment, the water pump 10 pumps cooling water in the heat dissipation water ring 13 into the cooling pipe 8 through a pipeline, the cooling pipe 8 cools air in the light guide shell 6, so as to reduce the heating of the image screen 11 and reduce the temperature of the image screen 11, overheated cooling water returns to the heat dissipation water ring 13 through the pipeline at the bottom end of the cooling pipe 8, and dissipates heat into the air outside the equipment through a plurality of groups of radiating fins 14 arranged on the outer wall of the heat dissipation water ring 13, so as to effectively reduce the temperature generated when the equipment operates, thereby improving the heat dissipation effect, and the light emitting chip 1 also generates a large amount of, heat is transferred to the air inside the device through the silicon substrate 2, at which point the fan 5 is activated, the fan 5 being able to draw out hot air, thereby cooling the light emitting chip 1, prolonging the service life of the device, when the image screen 11 needs to be replaced, the forefinger and the thumb are respectively pressed on the two groups of soft rubber plates 15, the forefinger and the thumb reversely push the two groups of soft rubber plates 15 to separate the two groups of fixed rings 12, thereby releasing the fixation of the fixing ring 12 to the image screen 11, detaching the image screen 11 from the outer side of the light guide shell 6 with the other hand, installing a new image screen 11 at one side of the light guide shell 6, releasing the extrusion of the soft rubber plate 15 by the forefinger and the thumb, pushing the fixing ring 12 back to the original position by a plurality of groups of return springs 18 through the slide bars 17, therefore, the fixing ring 12 is used for fixing the image screen 11, the image screen 11 can be conveniently replaced, and the use efficiency is improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a heat radiation structure of projection equipment printing opacity image screen, includes light-emitting chip (1), its characterized in that: the LED lamp is characterized in that a light emitting head (3) is arranged on one side of the light emitting chip (1), a shell (4) is sleeved on the outer side of the light emitting chip (1), a heat dissipation water ring (13) is sleeved on the outer side of the shell (4), a light guide shell (6) is arranged inside the shell (4) on one side of the light emitting chip (1), the inner wall of the light guide shell (6) is connected with a cooling pipe (8), a focusing lens (7) is arranged on one side, close to the light emitting head (3), of the light guide shell (6), a breathable net (9) is arranged on the outer side of the light guide shell (6), the light guide shell (6) is fixedly connected with the inner wall of the shell (4) through the breathable net (9), a plurality of fixing rings (12) are arranged on one side, far away from the light emitting head (3), an image screen (11) is arranged between the light guide shell (6) and the fixing rings (12), and a water pump (10) is, and the water pump (10) is communicated with the heat-dissipation water ring (13) through a pipeline, the water pump (10) is communicated with the cooling pipe (8) through a pipeline, and the bottom end of the cooling pipe (8) is communicated with the heat-dissipation water ring (13) through a pipeline.

2. A heat dissipating structure for a light transmissive image screen of a projection device as recited in claim 1, wherein: one side of the light-emitting chip (1) far away from the light-emitting head (3) is connected with a plurality of groups of silicon substrates (2), and one side of the inner part of the shell (4) which is positioned on the silicon substrates (2) is provided with a fan (5).

3. A heat dissipating structure for a light transmissive image screen of a projection device as recited in claim 1, wherein: the outer wall of the radiating water ring (13) is provided with a plurality of groups of radiating fins (14), and each group of radiating fins (14) is triangular.

4. A heat dissipating structure for a light transmissive image screen of a projection device as recited in claim 1, wherein: the shape of cooling tube (8) is the spiral, just the outer wall of cooling tube (8) and the inner wall laminating of leaded light shell (6).

5. A heat dissipating structure for a light transmissive image screen of a projection device as recited in claim 1, wherein: the outer wall of each fixing ring (12) is provided with a soft rubber plate (15), and the surface of the soft rubber plate (15) is provided with a plurality of groups of uneven scribed lines.

6. A heat dissipating structure for a light transmissive image screen of a projection device as recited in claim 1, wherein: extension board (16) have all been seted up at the both ends of light guide shell (6), draw runner (17) have all been seted up at the both ends of solid fixed ring (12), gu fixed ring (12) pass through draw runner (17) and extension board (16) sliding connection.

7. A heat dissipating structure for a light transmissive image screen of a projection device as recited in claim 6, wherein: every group return spring (18) have all been seted up to the inside of extension board (16), just return spring (18)'s tip all with the outer wall welding of draw runner (17).