CN221326926U - Radiator of projector - Google Patents

Abstract

The utility model relates to the technical field of projectors, and discloses a heat dissipation device of a projector, which comprises: the projector comprises a shell, a projector body fixedly arranged in the shell, a projection lamp fixedly connected with the projector body and a heat dissipation component for dissipating heat of the projector body and the projection lamp; the inside of the shell is fixedly provided with a baffle plate. According to the utility model, the radiating fan is arranged to radiate heat inside the projector, the cooling fin cools the wind blown into the shell, so that the radiating effect is improved, the air is guided to flow through the first air deflector, the second air deflector and the third air deflector, the projector body is radiated in an omnibearing manner, the radiating effect is good, the structure is simple, the damage is not easy, and the rear maintenance is convenient.

Description

Radiator of projector

Technical Field

The utility model relates to the technical field of projectors, in particular to a heat dissipation device of a projector.

Background

Projectors are devices widely used in business, educational and entertainment applications. It can project electronic images, video or text onto a large screen or a white wall, enabling viewers to see the content more clearly. The projector generates a certain amount of heat during use. This is because components such as a bulb, electronic components, and a heat dissipation system inside the projector generate heat energy when they are operated. In order to ensure the normal operation and life of the projector, corresponding heat dissipation measures are required. But the radiating effect of current projecting apparatus is relatively poor, and the inner space of projecting apparatus is limited, and current cooling body occupation space is great, and inner structure is complicated, and internals damage easily, be difficult for maintenance and repair.

Patent application number cn20212108408. X discloses a projector heat sink assembly comprising: the shell is provided with an air inlet area and an air outlet area; the bottom plate is covered by the shell; the first heat dissipation assembly comprises an air conditioner air piece and a heat transfer part, the heat transfer part is arranged on one side of the air outlet area, the heat transfer part is communicated with the air outlet area, the air conditioner air piece is arranged on the bottom plate, and the air conditioner air piece is communicated with the heat transfer part, so that an air inlet area, the air conditioner air piece, the heat transfer part and the air outlet area form an air channel; the optical machine assembly comprises an optical machine module, a Printed Circuit Board (PCB) and a Digital Micromirror Device (DMD), wherein the optical machine module is arranged in the air duct, the heat transfer part is abutted with the optical machine module, and the DMD and the PCB are arranged on the optical machine module in a laminated manner. The technical scheme of the utility model is beneficial to improving the heat dissipation effect of the projector.

However, the first heat dissipation component inside the projector in the patent occupies a larger space, and the internal structure is complex, so that the internal parts are easy to damage and difficult to repair.

Therefore, there is a need to provide a new solution to overcome the above-mentioned drawbacks.

Disclosure of utility model

The utility model aims to provide a heat dissipation device of a projector, which can effectively solve the technical problems.

In order to achieve the purpose of the utility model, the following technical scheme is adopted: a heat sink for a projector, comprising: the projector comprises a shell, a projector body fixedly arranged in the shell, a projection lamp fixedly connected with the projector body and a heat dissipation component for dissipating heat of the projector body and the projection lamp; a baffle plate is fixedly arranged in the shell; the heat radiation assembly consists of a heat radiation fan fixedly arranged in the shell, a first air deflector, a second air deflector integrally connected with the air deflector, a third air deflector integrally connected with the air deflector, a refrigerating sheet penetrating through the first air deflector, and a heat radiation fin fixedly arranged on the second air deflector and the third air deflector; the first air deflector, the second air deflector and the third air deflector are fixedly connected with the bottom of the shell; the radiating fins are abutted with the partition plate, and the radiating fins are abutted with the projector body.

Further, the first air deflector, the second air deflector and the third air deflector divide the inner part of the shell into a hot air channel and a cold air channel; the projector body is located in the cold air duct.

Further, the hot surface of the refrigerating sheet is positioned in the hot air duct, and the cold surface of the refrigerating sheet is positioned in the cold air duct.

Further, an air outlet and an air inlet are formed in the shell.

Compared with the prior art, the utility model has the following beneficial effects: according to the heat dissipation device of the projector, the heat dissipation fan is arranged to dissipate heat inside the projector, the cooling effect is improved by cooling the wind blown into the shell through the refrigerating sheet, the air flows through the first air guide plate, the second air guide plate and the third air guide plate, the projector body is subjected to omnibearing heat dissipation, the heat dissipation effect is good, the structure is simple, the damage is not easy, and the post maintenance is convenient.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

FIG. 1 is a schematic diagram of a heat dissipating device of a projector according to the present utility model;

FIG. 2 is a cross-sectional view of a top view of a heat sink of a projector according to the present utility model;

fig. 3 is a partial enlarged view of a portion a in fig. 2.

In the figure: 1. a housing; 2. a projection lamp; 3. a projector body; 4. a heat dissipation assembly; 11. a partition plate; 12. an air outlet; 41. an air inlet; 42. a heat radiation fan; 43. an air deflector I; 44. a second air deflector; 45. an air deflector III; 46. a cooling sheet; 48. a heat radiation fin; 431. a hot air duct; 432. and a cold air duct.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the following description will be made in detail with reference to the technical solutions in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "center," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present utility model. When an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an mechanism is considered to be "connected" to another mechanism, it may be directly connected to the other mechanism or there may be a centering mechanism present at the same time. When an element is considered to be "disposed on" another element, it may be disposed directly on the other element or there may be a centering element present at the same time. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

As shown in fig. 1 to 3, a heat dissipating device of a projector according to the present utility model includes: the projector comprises a housing 1, a projector body 3 fixedly installed in the housing 1, a projection lamp 2 fixedly connected with the projector body 3, and a heat radiation component 4 for radiating heat for the projector body 3 and the projection lamp 2.

The shell 1 plays a certain role in protecting the projection lamp 2 and the projector body 3 inside; the projector body 3 is used for projection; the projection lamp 2 projects light to a specific area or screen to display images, videos or characters and other contents; the heat dissipation component 4 is used for dissipating heat of the projection lamp 2 and the projector body 3; a baffle 11 is fixedly arranged in the shell 1, a radiator fan 42 and a three-45 air deflector are separated, air is guided to blow to the projection lamp 2, and the projection lamp 2 is cooled; the shell 1 is provided with an air outlet 12 and an air inlet 41, the air inlet 41 is used for air inlet, external air flow enters the shell 1, the air outlet 12 is used for air outlet, and hot air is discharged.

The heat radiation assembly 4 is composed of a heat radiation fan 42 fixedly arranged in the shell 1, a first air deflector 43, a second air deflector 44 integrally connected with the first air deflector 43, a third air deflector 45 integrally connected with the second air deflector 44, a refrigerating sheet 46 penetrating through the first air deflector 43, and a heat radiation fin 48 fixedly arranged on the second air deflector 44 and the third air deflector 45.

The cooling fan 42 blows air to the inside of the shell 1, and the first air deflector 43, the second air deflector 44 and the third air deflector 45 are fixedly connected with the bottom of the shell 1; the first air deflector 43, the second air deflector 44 and the third air deflector 45 divide the space between the shell 1 and the projector body 3 into a hot air duct 431 and a cold air duct 432, so that the projector body 3 can be conveniently and omnidirectionally cooled; the projector body 3 is positioned in the cold air duct 432; the refrigerating sheet 46 is embedded with the first air deflector 43, the hot surface of the refrigerating sheet 46 is positioned in the hot air duct 431, the cold surface is positioned in the cold air duct 432, when the air is contacted with the first air deflector 43, the air is divided into two parts, one part enters the hot air duct 431 to dissipate heat of the hot surface of the refrigerating sheet 46, the other part enters the cold air duct 432 to be contacted with the cold surface of the refrigerating sheet 46 to form cold air, the hot air duct 431 is larger than the cold air duct 432, the air entering the hot air duct 431 is larger than the air entering the cold air duct 432, and then the cold air dissipates heat of the projector body 3, so that the heat dissipation effect is improved; the radiating fins 48 are abutted with the partition plate 11, and the radiating fins 48 are abutted with the projector body 3, so that the stability of the projector body 3 is improved, a certain radiating effect is achieved on the projector body 3, second cold air flows along the cold air channel 432 under the guidance of the first air deflector 43, the second air deflector 44 and the third air deflector 45, the radiating fins 48 are accelerated to cool when the cold air contacts with the radiating fins 48, the radiating effect is further improved, and meanwhile, the surface of the projector body 3 in the cold air sea area is contacted, so that the projector body 3 is radiated, and the radiating effect is good; and aviation baffle one 43, aviation baffle two 44, aviation baffle three 45, refrigeration piece 46, fin 48's occupation space is little, has saved the projector inner space, makes the projector lighter, and the simple structure of above-mentioned part, low in production cost, fin 48 still has certain fixed action to the two sides of projector body 3 simultaneously, is difficult to damage, is convenient for later maintenance.

According to the heat dissipation device of the projector, the heat dissipation fan 42 is arranged to dissipate heat in the projector, the cooling fin 46 is used for cooling wind blown into the shell 1, the heat dissipation effect is improved, the air is guided to flow through the first air deflector 43, the second air deflector 44 and the third air deflector 45, the projector body 3 is subjected to omnibearing heat dissipation, the heat dissipation effect is good, the structure is simple, the damage is not easy, and the later maintenance is convenient.

Working principle:

The cooling fan 42 blows air into the casing 1, the air firstly dissipates heat of the projection lamp 2, then the air is divided into two parts when passing through the first air deflector 43, one part enters the hot air duct 431, and the other part enters the cold air duct 432; the air in the hot air duct 431 dissipates heat of the hot surface of the refrigerating sheet 46, and then is discharged from the air outlet 12, and the cold surface of the refrigerating sheet 46 cools the cold air duct 432; the cooled cold air flows along the cold air duct 432, and helps the projector body 3 to cool the cooling fins 48 while cooling the four walls of the projector body, and then enters the hot air duct 431 and flows along the hot air duct 431 to the air outlet 12.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional modes in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that details are not described in detail in the specification, and the utility model belongs to the prior art known to the person skilled in the art.

It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.

Claims (4)

1. A heat sink for a projector, comprising: the projector comprises a shell, a projector body fixedly arranged in the shell, a projection lamp fixedly connected with the projector body and a heat dissipation component for dissipating heat of the projector body and the projection lamp; a baffle plate is fixedly arranged in the shell;

the heat radiation assembly consists of a heat radiation fan fixedly arranged in the shell, a first air deflector, a second air deflector integrally connected with the air deflector, a third air deflector integrally connected with the air deflector, a refrigerating sheet penetrating through the first air deflector, and a heat radiation fin fixedly arranged on the second air deflector and the third air deflector; the first air deflector, the second air deflector and the third air deflector are fixedly connected with the bottom of the shell; the radiating fins are abutted with the partition plate, and the radiating fins are abutted with the projector body.

2. The heat dissipating double-fuselage of a projector of claim 1, wherein said aviation baffle one, said aviation baffle two, said aviation baffle three will said inner part of the outer cover is hot air flue and cold air flue; the projector body is located in the cold air duct.

3. The heat sink of claim 2 wherein the hot side of the cooling fin is positioned in the hot air duct and the cold side of the cooling fin is positioned in the cold air duct.

4. A heat sink for a projector as claimed in claim 3, wherein the housing is provided with an air outlet and an air inlet.