CN216622944U

CN216622944U - Heat dissipation module structure and projector

Info

Publication number: CN216622944U
Application number: CN202122227366.0U
Authority: CN
Inventors: 金凌琳; 余锋; 赵凤祥
Original assignee: Dangqu Network Technology Hangzhou Co Ltd
Current assignee: Dangqu Network Technology Hangzhou Co Ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-05-27
Anticipated expiration: 2031-09-14

Abstract

The utility model relates to a heat radiation module structure and a projector, comprising: the bracket is in a shell shape with two open ends, and two opposite side ends of the bracket are respectively provided with a window; the image forming panel is arranged in the bracket and positioned between the two windows, and two side walls of the image forming panel are connected with the inner wall of the bracket; and the two groups of the phenanthrene mirrors are correspondingly arranged outside the two side ends of the bracket and cover the window, and an air duct is formed between each phenanthrene mirror and the image forming panel. According to the utility model, the phenanthrene mirror, the image forming panel and the shell are designed into an integrated module structure, so that mutually independent ventilation channels are formed, and the heat dissipation efficiency is improved.

Description

Heat dissipation module structure and projector

Technical Field

The utility model relates to the field of projectors, in particular to a heat dissipation module structure and a projector.

Background

The projector is a device capable of projecting images or videos onto a curtain, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV and the like through different interfaces to play corresponding video signals. Projectors are widely used in homes, offices, schools and entertainment places, and have types of DLP, LCD, LCOS and the like according to different working modes. In each type of projector, there is an image forming panel, such as a liquid crystal panel in an LCD, and a digital micromirror element in a DLP.

An image forming panel of an existing projector, such as a liquid crystal panel, is generally cooled by conventional forced air cooling. There are many disadvantages to this heat dissipation method: the heat dissipation air channel is open, the internal airflow is disordered, and the heat dissipation efficiency is low; the air-cooled airflow flows through the main control power supply board, and partial heat is brought into the liquid crystal panel area; the front surface of the shell has a heat concentration area, so that the heat can not be effectively and uniformly dissipated, and the use hand feeling is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a heat dissipation module structure and a projector, which can improve the heat dissipation efficiency.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a heat-dissipating module structure comprising: the bracket is in a shell shape with two open ends, and two opposite side ends of the bracket are respectively provided with a window;

the image forming panel is arranged in the bracket and positioned between the two windows, and two side walls of the image forming panel are connected with the inner wall of the bracket;

and the two groups of the phenanthrene mirrors are correspondingly arranged outside the two side ends of the bracket and cover the window, and an air duct is formed between each phenanthrene mirror and the image forming panel.

Preferably, support one end is the air inlet end, and the other end is the air-out end, heat dissipation modular structure still includes air intake fan, air intake fan locates the air inlet end of support.

Preferably, the heat dissipation module structure further comprises an air draft fan, and the air draft fan is arranged at the air outlet end of the support.

Preferably, the air intake fan and the junction of the film mirror and the image forming panel, and the air exhaust fan and the junction of the film mirror and the image forming panel are provided with sealing gaskets.

Preferably, the heat dissipation module structure further comprises a first radiator arranged at one side end of the support and a second radiator arranged at one side of the support far away from the air draft fan, and two ends of the first radiator are connected with the corresponding fimbriatric mirror.

Preferably, the first heat sink includes a cold plate, and a first heat pipe disposed in the cold plate and parallel to the air duct.

Preferably, the second heat sink includes a plurality of fins and a second heat pipe penetrating the fins, and the second heat pipe is connected to the first heat pipe to form a heat pipe.

Preferably, the outer side of the air inlet fan is provided with a dust screen.

The utility model also provides a projector which comprises the heat dissipation module structure.

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

according to the heat dissipation module structure provided by the technical scheme, the integrated module structure is designed by the phenanthrene mirror, the image forming panel and the shell, mutually independent ventilation ducts are formed, and the heat dissipation efficiency is improved.

Drawings

Fig. 1 is a schematic overall structure diagram provided in the embodiment of the present invention.

Fig. 2 is a side view provided by an embodiment of the present invention.

Fig. 3 is a cross-sectional view taken along a-a in fig. 2.

Fig. 4 is a bottom sectional view of the present invention.

Fig. 5 is a side view of another side provided by an embodiment of the present invention.

Fig. 6 is a schematic view of a heat direction in a heat dissipation process according to an embodiment of the present invention.

Description of reference numerals: 1. a support; 2. an image forming panel; 3. a phenanthrene mirror; 4. an air duct; 5. an air intake fan; 6. a cold plate; 7. a heat pipe; 71. a first heat conductive pipe; 72. a second heat conductive pipe; 8. an air draft fan; 9. heat dissipation fins; 10. and a gasket.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, an embodiment of the present invention provides a heat dissipation module structure, including a bracket 1, where the bracket 1 is in a shell shape with two open ends, where one end is an air inlet end and the other end is an air outlet end. Two opposite side ends of the bracket 1 are provided with windows. An image forming panel 2 is arranged in the bracket 1, the image forming panel 2 is positioned between the two windows, and the two side walls are connected with the inner wall of the bracket 1. The two windows on the two side ends of the bracket 1 are respectively provided with a film mirror 3, and the film mirrors 3 completely cover the corresponding windows. An air duct 4 is formed between the image forming panel 2 and each of the mirrors 3.

An air inlet fan 5 is arranged at the air inlet end of the support 1, and a dust screen is arranged on the outer side of the air inlet fan 5. The air outlet end of the bracket 1 is provided with an air exhaust fan 8. The air intake fan 5, the phenanthrene mirror 3 and the image forming panel 2, and the joints of the air intake fan 8, the phenanthrene mirror 3 and the image forming panel 2 are provided with sealing gaskets 10.

When the air inlet fan 5 and the air exhaust fan 8 work, the heat of the two mutually independent ventilation ducts 4 can be directly taken away. The heat in the two air channels 4 does not interfere with each other, the internal airflow is not easy to be disordered, and the heat dissipation efficiency is higher.

Referring to fig. 5, in addition, a first radiator is arranged at one side end of the support 1, a second radiator is arranged at one side of the exhaust fan 8 far away from the support 1, and two ends of the first radiator are connected with the corresponding phenanthrene mirrors 3.

Preferably, the first heat sink comprises a cold plate 6, and a first heat conductive pipe 71 disposed within the cold plate 6 and disposed in parallel with the air duct 4. The second heat sink includes a plurality of fins 9 and a second heat pipe 72 passing through the fins 9, the second heat pipe 72 is connected to the first heat pipe 71, and forms the heat pipe 7.

In other embodiments, the first heat sink may be selected as a plurality of heat dissipating fins 9 or other heat dissipating structures, and the second heat sink may be selected as a combination of the cold plate 6 and the heat pipe 7 or other heat dissipating structures.

Referring to fig. 6, when the projector is used, the air inlet fan 5 blows air into the ventilation duct 4, the air exhaust fan 8 exhausts air from the ventilation duct 4, heat is directly taken away, the two independent ventilation ducts 4 are designed in a straight line, internal air flow cannot be disordered, heat dissipation efficiency is high, and the added sealing gasket 10 is also favorable for guaranteeing efficient heat dissipation of an optical imaging area and cleaning of a light path. In addition, the cold plate 6 and the heat pipe 7 arranged on the upper side of the bracket 1 adopt an indirect cooling mode, so that the radiant heat energy of the light source can be effectively taken away, and the influence of the heat energy of the light source on the service life of the image forming panel 2 is further reduced.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. A heat dissipation module structure, comprising:

the bracket (1) is in a shell shape with two open ends, and two opposite side ends are respectively provided with a window;

the image forming panel (2) is arranged in the bracket (1) and positioned between the two windows, and two side walls of the image forming panel are connected with the inner wall of the bracket (1);

the two groups of the phenanthrene mirrors (3) are correspondingly arranged outside the two side ends of the support (1) and cover the window, and ventilation channels (4) are formed between the phenanthrene mirrors (3) and the image forming panel (2).

2. The heat dissipation module structure of claim 1, wherein one end of the support (1) is an air inlet end, and the other end of the support is an air outlet end, the heat dissipation module structure further comprises an air inlet fan (5), and the air inlet fan (5) is disposed at the air inlet end of the support (1).

3. The heat dissipation modular structure of claim 2, characterized in that the heat dissipation modular structure further comprises an air draft fan (8), and the air draft fan (8) is arranged at the air outlet end of the bracket (1).

4. A heat radiation module structure as claimed in claim 3, wherein the joints of the air intake fan (5) and the film mirror (3) and the image forming panel (2), and the joints of the air exhaust fan (8) and the film mirror (3) and the image forming panel (2) are provided with sealing gaskets (10).

5. A heat-dissipating module structure according to claim 3, further comprising a first heat sink disposed at one side end of the bracket (1), and a second heat sink disposed at one side of the exhaust fan (8) away from the bracket (1), wherein two ends of the first heat sink are connected to the corresponding fimbriae mirrors (3).

6. A heat radiation module structure according to claim 5, characterized in that said first heat sink comprises a cold plate (6), and a first heat conducting pipe (71) arranged in said cold plate (6) and parallel to said air duct (4).

7. A heat sink module structure according to claim 6, wherein the second heat sink comprises a plurality of fins (9), and a second heat conducting pipe (72) passing through the fins (9), the second heat conducting pipe (72) and the first heat conducting pipe (71) are connected to form a heat pipe (7).

8. A heat-dissipating modular structure according to claim 2, wherein a dust screen is provided outside the air intake fan (5).

9. A projector characterized in that the projector comprises the heat dissipation module structure according to any one of claims 1 to 8.