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CN-115993752-B - Projection apparatus

CN115993752BCN 115993752 BCN115993752 BCN 115993752BCN-115993752-B

Abstract

The application relates to a projection device, which comprises a shell, an optical-mechanical assembly, a first loudspeaker, a second loudspeaker and a third loudspeaker, wherein the optical-mechanical assembly, the first loudspeaker, the second loudspeaker and the third loudspeaker are arranged in the shell. The shell comprises a first side wall, a second side wall, a third side wall and a fourth side wall, wherein the first side wall and the second side wall are oppositely arranged along a first direction, the third side wall and the fourth side wall are oppositely arranged along a second direction, a first sound outlet is formed in the first side wall, a second sound outlet is formed in the second side wall, a third sound outlet is formed in the third side wall, the first direction is perpendicular to the second direction, the first loudspeaker and the second loudspeaker are respectively located on two sides of the optical machine assembly along the first direction, the first loudspeaker is opposite to the first sound outlet, the second loudspeaker is opposite to the second sound outlet, the third loudspeaker is located on one side of the optical machine assembly along the third direction, which is close to the third sound outlet, and the third loudspeaker is opposite to the third sound outlet. According to the scheme provided by the application, the sound of the projection equipment can be increased, the sound emitting direction of the projection equipment is more, and the sound quality effect is improved, so that the user experience is improved.

Inventors

  • HUANG SIYAO

Assignees

  • 峰米(重庆)创新科技有限公司

Dates

Publication Date
20260512
Application Date
20221230

Claims (9)

  1. 1. A projection device, comprising: The shell comprises a first side wall, a second side wall, a third side wall and a fourth side wall, wherein the first side wall and the second side wall are oppositely arranged along a first direction, and the third side wall and the fourth side wall are oppositely arranged along a second direction; The optical machine component is arranged in the shell; The first loudspeaker and the second loudspeaker are arranged in the shell and are respectively positioned at two sides of the optical machine assembly along the first direction, the first loudspeaker is opposite to the first sound outlet, and the second loudspeaker is opposite to the second sound outlet; The third loudspeaker is arranged in the shell and is positioned at one side of the optical machine component, which is close to the third sound outlet, along the second direction; The optical machine assembly comprises an optical machine lens, the optical machine lens is located between the first loudspeaker and the second loudspeaker, the first loudspeaker and the second loudspeaker are symmetrically arranged along the axis of the optical machine lens, the axis of the optical machine lens is parallel to the second direction, the third loudspeaker is located on the plane where the axis of the optical machine lens is located, and the distance between the third loudspeaker and the first loudspeaker is equal to the distance between the third loudspeaker and the second loudspeaker along the first direction.
  2. 2. The projection device of claim 1, wherein the opto-mechanical assembly comprises an opto-mechanical body and a heat sink; the optical machine lens is arranged on one side of the optical machine main body, which is away from the third side wall; The radiator is arranged on one side, close to the third side wall, of the optical machine main body, and orthographic projection of the radiator on the bottom wall of the shell coincides with at least partial orthographic projection of the third loudspeaker on the bottom wall of the shell.
  3. 3. The projection device of claim 2, wherein a side of the heat sink adjacent to the housing is provided with an avoidance gap, and at least a portion of the structure of the third horn is disposed in the avoidance gap.
  4. 4. The projection device of claim 3, wherein the heat sink comprises a first fin group and a second fin group arranged along a third direction, the second fin group is located on a side of the first fin group near the bottom wall of the housing, the length of the first fin group along the second direction is greater than the length of the second fin group along the second direction, the first fin group and the second fin group enclose the avoidance gap, and the third direction is perpendicular to the first direction and the second direction.
  5. 5. The projection device of claim 4, wherein a sound box shell is further disposed within the housing, the sound box shell comprising a first portion, a second portion, and a third portion connected in sequence, the first portion and the third portion being located on either side of the second portion along the first direction, respectively; Along the third direction, the height of the first part and the height of the third part are larger than the height of the second part, so that the first part, the second part and the third part jointly enclose an assembly area, and at least part of the structure of the optical machine lens is positioned in the assembly area.
  6. 6. The projection device of claim 5, wherein the projection device comprises a projection lens, the projection device further comprises a passive basin assembly, and the passive basin assembly is arranged on the loudspeaker box shell.
  7. 7. The projection device of claim 6, wherein the passive basin assembly includes a first passive basin and a second passive basin, the first passive basin and the second passive basin being symmetrically disposed on either side of the second portion in the second direction.
  8. 8. The projection device of claim 6, further comprising a buffer; The sound box comprises a sound box shell, a sound box cover, a first assembly column, a buffer piece, a first assembly ring, a second assembly ring, a first assembly ring and a second assembly ring, wherein the inner wall of the shell is provided with the first assembly column, the first assembly ring is sleeved on the first assembly column, and the buffer piece is arranged between the first assembly ring and the first assembly column; the inner wall of the shell is provided with a second assembly column, the shell of the third loudspeaker is provided with a second assembly ring, the second assembly ring is sleeved on the second assembly column, and the buffer piece is arranged between the second assembly ring and the second assembly column.
  9. 9. The projection device of any one of claims 2-8, further comprising a blower assembly disposed within the housing and located on a side of the third horn in the first direction; The air blowing port of the fan assembly faces the radiator and the third loudspeaker, an air guiding surface is arranged on the shell, close to one side of the fan assembly, of the third loudspeaker, and the air guiding surface is used for guiding the cooling air blown to the third loudspeaker by the fan assembly to the radiator.

Description

Projection apparatus Technical Field The present application relates to the field of projection devices, and in particular, to a projection device. Background The projection device is a device capable of projecting video, images or text onto a curtain for display, and is widely used in houses, offices, schools, movie theatres and the like. With the development of technology, miniature projection equipment is favored by consumers because of the advantages of small volume, good portability and the like. The existing miniature projection equipment has poor tone quality effect and small sound, so that the user experience of the miniature projection equipment is poor. Disclosure of Invention Accordingly, it is necessary to provide a projection device for solving the problems of poor sound quality and small sound of the conventional miniature projection device. The application provides projection equipment, which comprises a shell, an optical-mechanical assembly, a first loudspeaker, a second loudspeaker and a third loudspeaker, wherein the optical-mechanical assembly, the first loudspeaker, the second loudspeaker and the third loudspeaker are arranged in the shell. The shell comprises a first side wall, a second side wall, a third side wall and a fourth side wall, wherein the first side wall and the second side wall are oppositely arranged along a first direction, the third side wall and the fourth side wall are oppositely arranged along a second direction, a first sound outlet is formed in the first side wall, a second sound outlet is formed in the second side wall, a third sound outlet is formed in the third side wall, the first direction is perpendicular to the second direction, the first loudspeaker and the second loudspeaker are respectively located on two sides of the optical machine assembly along the first direction, the first loudspeaker is opposite to the first sound outlet, the second loudspeaker is opposite to the second sound outlet, the third loudspeaker is located on one side, close to the third sound outlet, of the optical machine assembly along the third direction, and the third loudspeaker is opposite to the third sound outlet. In one embodiment, the optical machine assembly comprises an optical machine main body, an optical machine lens and a radiator; the optical engine lens is arranged on one side of the optical engine main body, which is away from the third side wall, and the optical engine lens is positioned between the first loudspeaker and the second loudspeaker; The radiator is arranged on one side, close to the third side wall, of the optical machine main body, and orthographic projection of the radiator on the bottom wall of the shell coincides with at least partial orthographic projection of the third loudspeaker on the bottom wall of the shell. In one embodiment, the first horn and the second horn are symmetrically disposed along an axis of the optical engine lens, and the axis of the optical engine lens is parallel to the second direction. In one embodiment, an avoidance gap is formed in one side, close to the shell, of the radiator, and at least part of the structure of the third horn is arranged in the avoidance gap. In one embodiment, the radiator comprises a first fin group and a second fin group which are arranged along a third direction, the second fin group is located on one side, close to the bottom wall of the shell, of the first fin group, the length, along the second direction, of the first fin group is larger than the length, along the second direction, of the second fin group, the first fin group and the second fin group enclose the avoidance gap, and the third direction is perpendicular to the first direction and the second direction. In one embodiment, a sound box shell is further arranged in the shell, and comprises a first part, a second part and a third part which are sequentially connected, wherein the first part and the third part are respectively positioned at two sides of the second part along the first direction; Along the third direction, the height of the first part and the height of the third part are larger than the height of the second part, so that the first part, the second part and the third part jointly enclose an assembly area, and at least part of the structure of the optical machine lens is positioned in the assembly area. In one embodiment, the projection device further comprises a passive basin assembly disposed on the enclosure. In one embodiment, the passive basin assembly comprises a first passive basin and a second passive basin symmetrically disposed on both sides of the second portion along the second direction. In one embodiment, the projection device further comprises a buffer; the inner wall of the shell is provided with a first assembly column, the sound box shell is provided with a first assembly ring, and the first assembly ring is sleeved on the first assembly column The buffer piece is arranged between the two buffer pieces; 0 the