CN117130216A

CN117130216A - Liquid cooling heat dissipation device for liquid crystal projector

Info

Publication number: CN117130216A
Application number: CN202311185890.3A
Authority: CN
Inventors: 胡先君; 李祖强
Original assignee: Jiangxi Bombardment Photoelectric Technology Co ltd
Current assignee: Jiangxi Bombardment Photoelectric Technology Co ltd
Priority date: 2023-09-14
Filing date: 2023-09-14
Publication date: 2023-11-28

Abstract

The invention discloses a liquid cooling heat dissipation device for a liquid crystal projector, which comprises a fixed plate and a projector body, wherein the top of the fixed plate is fixedly connected with a protective box, the top of an inner cavity of the protective box is fixedly connected with a heat absorption plate, the top of the heat absorption plate is provided with a group of heat dissipation fins, the bottom of the fixed plate is fixedly connected with a box body, the right side of the inner cavity of the box body is fixedly provided with a fan, the input end of the fan is fixedly connected with a first pipeline, one side of the first pipeline is fixedly connected with an air suction cover, and the output end of the fan is fixedly connected with a second pipeline. According to the projector, through the arrangement of the fan, the first pipeline, the second pipeline, the filter box and the third pipeline, the projector is matched with the heat absorbing plate and the heat radiating fins for use, the problems that the existing projector body does not have a heat radiating structure, heat is easy to accumulate, the projector body is easy to be blocked or even damaged when the heat is too high, and the service life of the projector is greatly shortened are solved.

Description

Liquid cooling heat dissipation device for liquid crystal projector

Technical Field

The invention relates to the technical field of projectors, in particular to a liquid cooling heat dissipation device for a liquid crystal projector.

Background

The projector, also called projector, is a device capable of projecting images or videos onto a curtain, and can play corresponding video signals by being connected with a computer, VCD, DVD, BD, a game machine, DV and the like through different interfaces, and is widely applied to families, offices, schools and entertainment venues, and CRT, LCD, DLP, 3LCD and other different types are available according to different working modes.

The existing projector does not have a heat dissipation structure, heat is extremely easy to accumulate, when the heat is too high, the projector is easy to be blocked or even damaged, and the service life of the projector is greatly reduced.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a liquid cooling heat dissipation device for a liquid crystal projector, which achieves the advantage of high-efficiency heat dissipation, solves the problems that the prior projector does not have a heat dissipation structure, heat is easy to accumulate, and when the heat is too high, the projector is easy to be blocked or even damaged, and the service life of the projector is greatly reduced.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a liquid cooling heat abstractor for liquid crystal projector, includes fixed plate and projecting apparatus body, the top fixedly connected with protective housing of fixed plate, the top fixedly connected with absorber plate of protective housing inner chamber, the top of absorber plate is provided with a set of fin, the bottom fixedly connected with box of fixed plate, the right side fixedly mounted of box inner chamber has the fan, the first pipeline of input fixedly connected with of fan, one side fixedly connected with induced draft cover of first pipeline, the output fixedly connected with second pipeline of fan, one side intercommunication of second pipeline has the rose box, one side fixedly connected with third pipeline of rose box.

Preferably, the front end and the rear end of the bottom of two sides of the projector body are fixedly connected with threaded blocks, and the threaded blocks are fixedly connected with the protective box through fastening bolts.

Preferably, a radiating opening is formed in one side of the top of the back of the protective box, and a dustproof net is arranged in an inner cavity of the radiating opening.

Preferably, the bottom of the left side of the inner cavity of the protective box is fixedly connected with a temperature sensor, the surface of the box body is movably connected with a box door through a hinge, and the surface of the box door is fixedly connected with a PLC controller.

Preferably, both sides of the bottom of the inner cavity of the filter box are fixedly connected with sliding ways, the top of each sliding way is slidably connected with a filter screen plate, and the surface of each filter screen plate is fixedly connected with a grab handle.

Compared with the prior art, the invention provides a liquid cooling heat dissipation device for a liquid crystal projector, which has the following beneficial effects:

1. according to the projector, through the arrangement of the fan, the first pipeline, the second pipeline, the filter box and the third pipeline, the projector is matched with the heat absorbing plate and the heat radiating fins for use, the problems that the existing projector body does not have a heat radiating structure, heat is easy to accumulate, the projector body is easy to be blocked or even damaged when the heat is too high, and the service life of the projector is greatly shortened are solved.

2. According to the invention, dust is blocked by the arrangement of the dust screen, so that the dust is prevented from entering the inner cavity of the protective box, and the dust in the air is filtered by the arrangement of the filter screen plate, so that the cleanliness of the air is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a cross-sectional view of the case of the present invention;

FIG. 3 is a cross-sectional view of the protective housing of the present invention.

In the figure: 1. a fixing plate; 2. a case; 3. a blower; 4. a first pipe; 5. a second pipe; 6. a filter box; 7. a slideway; 8. a filter screen plate; 9. a grab handle; 10. a third conduit; 11. a protective box; 12. a projector body; 13. a screw block; 14. a fastening bolt; 15. a temperature sensor; 16. a heat absorbing plate; 17. a heat radiation fin; 18. a heat radiation port; 19. a dust screen; 20. a PLC controller; 21. a box door.

Detailed Description

Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.

In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like 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 should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-3, a liquid cooling heat dissipation device for a liquid crystal projector comprises a fixing plate 1 and a projector body 12, wherein a protecting box 11 is fixedly connected to the top of the fixing plate 1, a heat absorbing plate 16 is fixedly connected to the top of an inner cavity of the protecting box 11, a group of heat dissipation fins 17 are arranged at the top of the heat absorbing plate 16, a box body 2 is fixedly connected to the bottom of the fixing plate 1, a fan 3 is fixedly mounted on the right side of the inner cavity of the box body 2, a first pipeline 4 is fixedly connected to an input end of the fan 3, an air suction cover is fixedly connected to one side of the first pipeline 4, a second pipeline 5 is fixedly connected to an output end of the fan 3, a filtering box 6 is communicated to one side of the second pipeline 5, and a third pipeline 10 is fixedly connected to one side of the filtering box 6.

The front end and the rear end of the bottoms of the two sides of the projector body 12 are fixedly connected with threaded blocks 13, and the threaded blocks 13 are fixedly connected with the protective box 11 through fastening bolts 14.

A heat dissipation opening 18 is formed in one side of the top of the back of the protective box 11, a dustproof net 19 is arranged in the inner cavity of the heat dissipation opening 18, dust is blocked through the arrangement of the dustproof net 19, and the dust is prevented from entering the inner cavity of the protective box 11.

The bottom of the left side of the inner cavity of the protective box 11 is fixedly connected with a temperature sensor 15, the surface of the box body 2 is movably connected with a box door 21 through a hinge, and the surface of the box door 21 is fixedly connected with a PLC controller 20.

Both sides of the bottom of the inner cavity of the filter box 6 are fixedly connected with a slide way 7, the top of the slide way 7 is slidably connected with a filter screen plate 8, the surface of the filter screen plate 8 is fixedly connected with a grab handle 9, dust in air is filtered through the arrangement of the filter screen plate 8, and the cleanliness of the air is improved.

The working principle of the invention is as follows: firstly, during the use of the projector body 12, part of heat generated by the projector body 12 is adsorbed through the heat absorbing plate 16, heat is conveyed to the outside under the cooperation of the radiating fins 17, secondly, the temperature of the inner cavity of the protective box 11 is detected through the temperature sensor 15, detected data are conveyed to the PLC controller 20, analysis is carried out through the PLC controller 20, when the temperature exceeds a set value, the fan 3 is started through the PLC controller 20, the fan 3 sucks air under the cooperation of the first pipeline 4 and the air suction cover, the air is conveyed to the inner cavity of the filter box 6 through the first pipeline 4 and the second pipeline 5, dust in the air is filtered through the filter screen 8, the cleanliness of the air is improved, then the air is conveyed to the inner cavity of the protective box 11 through the third pipeline 10, the air flow rate of the inner cavity of the protective box 11 is accelerated, and finally, the air containing the heat is output through the heat dissipation port 18, so that the purpose of efficient heat dissipation is achieved.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a liquid cooling heat abstractor for liquid crystal projector, includes fixed plate (1) and projecting apparatus body (12), its characterized in that: the utility model discloses a fan, including fixed plate (1), fan (3), the top fixedly connected with protective housing (11), the top fixedly connected with absorber plate (16) of protective housing (11) inner chamber, the top of absorber plate (16) is provided with a set of radiating fin (17), the bottom fixedly connected with box (2) of fixed plate (1), the right side fixedly mounted with fan (3) of box (2) inner chamber, the input fixedly connected with first pipeline (4) of fan (3), one side fixedly connected with induced draft cover of first pipeline (4), the output fixedly connected with second pipeline (5) of fan (3), one side intercommunication of second pipeline (5) has rose box (6), one side fixedly connected with third pipeline (10) of rose box (6).

2. The liquid-cooled heat sink for a liquid crystal projector of claim 1, wherein: the front end and the rear end of the bottom of two sides of the projector body (12) are fixedly connected with threaded blocks (13), and the threaded blocks (13) are fixedly connected with the protective box (11) through fastening bolts (14).

3. The liquid-cooled heat sink for a liquid crystal projector of claim 1, wherein: a radiating opening (18) is formed in one side of the top of the back of the protective box (11), and a dustproof net (19) is arranged in the inner cavity of the radiating opening (18).

4. The liquid-cooled heat sink for a liquid crystal projector of claim 1, wherein: the intelligent protection device is characterized in that a temperature sensor (15) is fixedly connected to the bottom of the left side of an inner cavity of the protection box (11), a box door (21) is movably connected to the surface of the box body (2) through a hinge, and a PLC (programmable logic controller) controller (20) is fixedly connected to the surface of the box door (21).

5. The liquid-cooled heat sink for a liquid crystal projector of claim 1, wherein: both sides of rose box (6) inner chamber bottom all fixedly connected with slide (7), the top sliding connection of slide (7) has filter screen plate (8), the fixed surface of filter screen plate (8) is connected with grab handle (9).