Search

CN-224232095-U - Projection equipment

CN224232095UCN 224232095 UCN224232095 UCN 224232095UCN-224232095-U

Abstract

The application relates to the technical field of projection equipment and discloses projection equipment. The application provides projection equipment which comprises a shell, a first heat source, a second heat source and a fan, wherein a containing cavity is arranged in the shell, an air inlet and an air outlet are formed in the shell, a first air channel is formed between the first heat source and the top wall of the containing cavity, a second air channel is formed between the second heat source and the fan, the first air channel and the second air channel are communicated with the air inlet, the second air channel is communicated with the first air channel, the second air channel is communicated with the air inlet of at least one fan, and the air outlet of the fan is communicated with the air outlet. According to the projection equipment, the first air channel and the second air channel are arranged, so that when the fan operates, external air can be attracted to flow into the first air channel, external air and air flow in the first air channel can be attracted to flow into the second air channel, the heat dissipation capacity of the first heat source and the second heat source is improved, and the problem that the heat dissipation capacity of the vertically stacked projection equipment is insufficient is solved.

Inventors

  • HU QUANYOU

Assignees

  • 惠州TCL移动通信有限公司

Dates

Publication Date
20260512
Application Date
20250526

Claims (10)

  1. 1. The projection equipment is characterized by comprising a shell (1), a first heat source (2), a second heat source (3) and a fan (4), wherein a containing cavity is arranged in the shell (1), the first heat source (2), the second heat source (3) and the fan (4) are arranged in the containing cavity, and an air inlet (11) and an air outlet are formed in the shell (1); A first air channel (5) is formed between the first heat source (2) and the top wall of the accommodating cavity, a second air channel (6) is formed between the second heat source (3) and the fan (4), the first air channel (5) and the second air channel (6) are communicated with the air inlet (11), the second air channel (6) is communicated with the first air channel (5), the second air channel (6) is communicated with at least one air suction inlet of the fan (4), and an air outlet of the fan (4) is communicated with the air outlet.
  2. 2. Projection apparatus according to claim 1, characterized in that a third air duct (7) is provided on the first heat source (2), said third air duct (7) being in communication with the air inlet (11) and the first air duct (5).
  3. 3. Projection apparatus according to claim 2, characterized in that the first heat source (2) comprises a first driving plate (21) and a second driving plate (22), the first driving plate (21) and the second driving plate (22) being arranged at intervals, a third air duct (7) being formed between the first driving plate (21) and the second driving plate (22), a first air duct (5) being formed between the first driving plate (21) and the top wall of the receiving cavity.
  4. 4. A projection device according to claim 3, characterized in that the first heat source (2) further comprises a first heat sink (23), the first heat sink (23) being arranged on the first drive plate (21), the first heat sink (23) being arranged in the third air duct (7).
  5. 5. A projection device as claimed in claim 3, characterized in that the second drive plate (22) is provided with a recess (221), the recess (221) being in communication with the first air duct (5) and the second air duct (6).
  6. 6. Projection apparatus according to claim 1, characterized in that the second heat source (3) comprises a light engine module (31) and a second radiator (32), a second air duct (6) is formed between the light engine module (31) and the fan (4), the second radiator (32) is arranged at one side of the light engine module (31), and one end of the second radiator (32) away from the light engine module (31) is arranged between an air outlet of the fan (4) and the air outlet.
  7. 7. Projection apparatus according to claim 6, characterized in that a fourth air duct (8) is formed between the fan (4) and the bottom wall of the receiving cavity, said fourth air duct (8) being in communication with the air inlet (11), the air inlet of at least one of the fans (4) being in communication with the fourth air duct (8).
  8. 8. The projection device of claim 6, wherein the opto-mechanical module (31) includes a first light source chip and a second light source chip, the fan (4) includes a first air outlet and a second air outlet, the second radiator (32) includes a first heat dissipation portion (321) and a second heat dissipation portion (322), the first heat dissipation portion (321) is disposed on the first light source chip, the second heat dissipation portion (322) is disposed on the second light source chip, an end of the first heat dissipation portion (321) away from the first light source chip is disposed between the first air outlet and the air outlet, and an end of the second heat dissipation portion (322) away from the second light source chip is disposed between the second air outlet and the air outlet.
  9. 9. The projection device according to claim 6, characterized in that the second heat source (3) further comprises a third heat sink (33), the opto-mechanical module (31) comprises a drive unit, the third heat sink (33) is arranged at the drive unit, and an end of the third heat sink (33) remote from the drive unit is arranged at one side of the fan (4).
  10. 10. Projection device according to claim 1, characterized in that the projection device further comprises a stationary support (9), the first heat source (2) being arranged on top of the stationary support (9), the second heat source (3) being arranged on bottom of the stationary support (9).

Description

Projection equipment Technical Field The application belongs to the technical field of projection equipment, and particularly relates to projection equipment. Background With the development of projection technology, miniaturized projection devices have become one of the development directions of consumer projection devices. In the related art, components in the projection device are arranged in a vertical stacking manner, so that the stacking density of the components in the projection device can be improved, and the occupied area of the projection device is reduced. However, the vertical stacking manner makes it difficult to dissipate heat generated by the components, and the image projection apparatus is normally used. Accordingly, improvements in the art are needed. The above information is presented as background information only to aid in the understanding of the present disclosure and is not intended or admitted to be prior art relative to the present disclosure. Disclosure of utility model The embodiment of the application provides projection equipment, which aims to solve the problem of insufficient heat dissipation capacity of vertically stacked projection equipment. In a first aspect, an embodiment of the present application provides a projection device, including a housing, a first heat source, a second heat source, and a fan, where a receiving cavity is provided in the housing, the first heat source, the second heat source, and the fan are all disposed in the receiving cavity, and an air inlet and an air outlet are provided on the housing; The first heat source and the top wall of the accommodating cavity form a first air channel, the second heat source and the fan form a second air channel, the first air channel and the second air channel are communicated with the air inlet, the second air channel is communicated with the first air channel, the second air channel is communicated with at least one air suction inlet of the fan, and an air outlet of the fan is communicated with the air outlet. In one possible implementation manner, a third air duct is arranged on the first heat source, and the third air duct is communicated with the air inlet and the first air duct. In one possible embodiment, the first heat source includes a first driving plate and a second driving plate, the first driving plate is spaced from the second driving plate, a third air channel is formed between the first driving plate and the second driving plate, and a first air channel is formed between the first driving plate and a top wall of the accommodating cavity. In one possible embodiment, the first heat source further includes a first heat sink, the first heat sink is disposed on the first driving board, and the first heat sink is disposed in the third air duct. In one possible implementation manner, the second driving plate is provided with a notch, and the notch is communicated with the first air duct and the second air duct. In one possible implementation manner, the second heat source includes a light machine module and a second radiator, a second air channel is formed between the light machine module and the fan, the second radiator is disposed on one side of the light machine module, and one end of the second radiator away from the light machine module is disposed between the air outlet of the fan and the air outlet. In one possible implementation manner, a fourth air channel is formed between the fan and the bottom wall of the accommodating cavity, the fourth air channel is communicated with the air inlet, and the air suction port of at least one fan is communicated with the fourth air channel. In one possible implementation manner, the light engine module includes a first light source chip and a second light source chip, the fan includes a first air outlet and a second air outlet, the second radiator includes a first heat dissipation portion and a second heat dissipation portion, the first heat dissipation portion is disposed in the first light source chip, the second heat dissipation portion is disposed in the second light source chip, one end of the first heat dissipation portion, which is far away from the first light source chip, is disposed between the first air outlet and the air outlet, and one end of the second heat dissipation portion, which is far away from the second light source chip, is disposed between the second air outlet and the air outlet. In one possible implementation manner, the second heat source further includes a third heat radiator, the optical-mechanical module includes a driving unit, the third heat radiator is disposed on the driving unit, and an end of the third heat radiator away from the driving unit is disposed on one side of the fan. In one possible embodiment, the projection device further comprises a fixing bracket, the first heat source is disposed at a top of the fixing bracket, and the second heat source is disposed at a bottom of the fixing bracket. Compared with the prior art