CN218917906U

CN218917906U - Portable projection optical engine structure

Info

Publication number: CN218917906U
Application number: CN202223052128.1U
Authority: CN
Inventors: 付辉良; 严奉明; 谢灵
Original assignee: Lida Micro Investment Technology Shenzhen Co ltd
Current assignee: Shenzhen Pandi Technology Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-04-25
Anticipated expiration: 2032-11-16

Abstract

The utility model relates to the technical field of projectors, in particular to a portable projection optical machine structure, which comprises a shell for protection, wherein the shell is provided with a shell body; the optical machine subassembly, the upright setting of optical machine subassembly is in the casing for projection imaging, optical machine subassembly includes: a vertically mounted light tunnel for light transmission; the lens is arranged on one side of the optical channel and used for adjusting and controlling imaging; and a light source disposed below the light path for providing projected light. The optical machine structure adopts the vertical type optical channel structure, so that light rays vertically and upwardly enter the optical channel, and horizontally penetrate through the lens to be emitted after refraction, the bottom surface of the optical machine structure is reduced, the occupied area of a projector is reduced, the projector is easier to put stably when in use, the lens of the lens is arranged, the imaging area is large, the imaging is cleaned, the heat dissipation effect of the optical machine structure is good, the heat dissipation is fast, and the imaging of the optical machine structure is stable.

Description

Portable projection optical engine structure

Technical Field

The utility model relates to the technical field of projectors, in particular to a portable projection optical machine structure.

Background

A projector, which is a device that can project images or videos onto a curtain, is used in homes, offices, schools, and entertainment venues.

In the prior art, as in application number CN201820273153.7, the name is: the utility model of projector and projector device discloses a flat projector, the upper and lower outline of the adjustable projection picture is parallel to the ground, and the pitch angle and the left and right height of the projector can be adjusted by the rotation adjustment of the first rotating component and the second rotating component.

However, in the prior art, as in the projector mentioned in application number CN201820273153.7, the projector is placed on the surface to be used for projection, and the optical machine structure of the projector is placed horizontally, so that the internal optical path is also placed horizontally, and if the surface to be used is uneven, the position to be placed needs to be adjusted repeatedly, so that the projection picture can be adjusted.

Disclosure of Invention

The utility model aims to provide a portable projection optical machine structure so as to solve the problems in the prior art.

The aim of the utility model can be achieved by the following technical scheme:

a portable projection light engine structure, comprising a housing for protection;

the optical machine subassembly, the upright setting of optical machine subassembly is in the casing for projection imaging, optical machine subassembly includes: a vertically mounted light tunnel for light transmission; the lens is arranged on one side of the optical channel and used for adjusting and controlling imaging; and a light source disposed below the light path for providing projected light.

Further, the shell comprises a shell, a base is fixedly arranged at the bottom of the shell, and a top plate is fixedly arranged on the shell.

And a heat dissipation hole is formed in one side of the shell, through holes distributed in an array are formed in the other side of the shell, through grooves are formed in the upper parts of the heat dissipation holes, and a lifting handle is fastened on the shell and used for moving the projection optical machine.

Further, the lens is arranged in the through groove, and four lenses including a first lens, a second lens, a third lens and a fourth lens are arranged in the lens.

Further, be equipped with the swivel ring on the camera lens for rotate the adjustment camera lens, one side of roof is equipped with the draw-in groove, is provided with the block on the track, and the light source is fixed to be set up on the base.

The clamping groove is matched with the clamping block and used for clamping and fixing the light channel.

Further, the fixed plate is fixedly arranged on the optical channel and connected with the shell, and a circuit is arranged on the fixed plate and used for inputting projection signals.

Furthermore, a mounting plate is fixedly arranged on one side of the light source, a first heat dissipation channel is fixedly arranged on the other side of the light source, a rectangular shell is arranged at one end of the light source, a mounting rod is fixedly arranged in the rectangular shell, and heat dissipation fins distributed in an array are mounted on the mounting rod and used for dissipating heat of the optical machine component.

The heat dissipation device is characterized in that grooves are formed in two ends of the rectangular shell and used for heat dissipation of the heat dissipation fins, a second heat dissipation channel is fixedly arranged on the rectangular shell and used for improving heat dissipation effect of the heat dissipation fins, fixing pipes distributed in an array are arranged on the rectangular shell, and the rectangular shell is connected with the fixing pipes through bolts and fixed on the base.

The utility model has the beneficial effects that:

1. the light machine structure adopts the vertical light channel structure, so that light rays vertically upwards enter the light channel, are refracted and horizontally emitted through the lens, the bottom surface of the light machine structure is reduced, the occupied area of the projector is reduced, and the projector is easier to put stably when in use;

2. the optical machine structure has the advantages that the lens of the lens is arranged, so that the imaging area is large, the imaging is clear, the heat dissipation effect of the optical machine structure is good, the heat dissipation is fast, and the imaging of the optical machine structure is stable.

Drawings

The utility model is further described below with reference to the accompanying drawings.

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

FIG. 2 is a cross-sectional view of a projector of the utility model;

FIG. 3 is a schematic diagram of an optical engine structure according to the present utility model;

FIG. 4 is a schematic diagram of an optical engine structure according to the present utility model;

fig. 5 is a cross-sectional view of the opto-mechanical structure of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a portable projection light machine structure, as shown in fig. 1, projection light machine structure includes shell 1, and the bottom of shell 1 is equipped with base 4, is equipped with roof 15 on the shell 1, and base 4 is laminated with the installation face for support shell 1.

One side of the shell 1 is provided with radiating holes 12, the other side is provided with through holes 11 distributed in an array manner, one side of the shell 1 is provided with through grooves 13, the through grooves 13 are positioned above the radiating holes 12, the shell 1 is fixedly provided with a handle 14, a projection optical machine is convenient to carry, and an optical machine component is arranged in the shell 1.

As shown in fig. 2, the optical-mechanical assembly includes a lens 2, a light channel 5 and a light source 6, the lens 2 is located at one side of the light channel 5, the lens 2 is installed in a through groove 13, the light channel 5 is located above the light source 6, light emitted by the light source 6 passes through a reflecting mirror from the light channel 5 and then is reflected to the lens 2, four lenses are arranged in the lens 2, and the reflected light sequentially passes through a first lens, a second lens, a third lens and a fourth lens and is emitted to a screen to form projection.

Be equipped with rotatory ring 3 on the camera lens 2, through control rotatory ring 3 rotation, make camera lens 2 rotate, adjust the focus, one side of roof 15 is equipped with draw-in groove 10, is provided with block 51 on the track 5, cooperates with block 51 through draw-in groove 10, and is fixed to track 5 block for firm track 5, light source 6 installs on base 4.

The light channel 5 is fixedly provided with a fixed plate 7, the fixed plate 7 is fixedly connected with the shell 1, and a circuit is arranged on the fixed plate 7 and used for inputting projection signals of a computer.

One side of the light source 6 is fixedly provided with a mounting plate 65, the other side is fixedly provided with a first heat dissipation channel 9, the mounting plate 65 is connected with the shell 1 and used for fixing the light source 6, one end of the light source 6 is provided with a rectangular shell 61, a mounting rod 64 is fixedly arranged in the rectangular shell 61, the mounting rod 64 is provided with heat dissipation fins 8 distributed in an array, and the heat dissipation fins 8 are used for heat dissipation of an optical-mechanical assembly.

The two ends of the rectangular shell 61 are provided with grooves for radiating the radiating fins 8, the rectangular shell 61 is fixedly provided with a second radiating channel 63 for assisting the radiating fins 8 to radiate, the radiating effect is improved, the rectangular shell 61 is provided with fixing pipes 62 distributed in an array, and the fixing pipes 62 are connected with each other through bolts for the rectangular shell 61 to be installed on the base 4.

In an embodiment, a working principle of a portable projector structure is as follows:

the optical machine structure is arranged on the base 4, the shell 1 is arranged on the base 4, after the light source 6 is arranged and fixed, the adjusting light channel 5 is arranged in the shell 1, the adjusting lens 2 is arranged in the through groove 13, and then the top plate 15 is arranged in a sealing mode.

When the projector is used, after the projector is electrified, projection data are sent through a computer, light emitted by the light source 6 is controlled, the light passes through the reflecting mirror from the light channel 5 and then is reflected to the lens 2, the reflected light sequentially passes through the first lens which is a positive lens, the second lens which is a negative lens, the third lens which is a positive meniscus lens and the fourth lens, and the reflected light is emitted to the screen to form a projection image, so that the projection image is stable, clear and wide in range.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The portable projection optical machine structure is characterized by comprising a shell for protection;

the optical machine subassembly, the upright setting of optical machine subassembly is in the casing for projection imaging, optical machine subassembly includes: a vertically mounted light tunnel (5) for light transmission; the lens (2) is arranged on one side of the optical channel (5) and used for adjusting and controlling imaging; and a light source (6), the light source (6) being arranged below the light channel (5) for providing projected light.

2. The portable projector structure according to claim 1, wherein the housing comprises a housing (1), a base (4) is fixedly arranged at the bottom of the housing (1), and a top plate (15) is fixedly arranged on the housing (1);

one side of the shell (1) is provided with radiating holes (12), the other side of the shell is provided with through holes (11) distributed in an array manner, through grooves (13) are formed in the upper parts of the radiating holes (12), and handles (14) are fastened on the shell (1) and used for moving the projection light machine.

3. The portable projector structure according to claim 2, wherein the lens (2) is mounted in the through slot (13), and four lenses are provided in the lens (2).

4. A portable projector structure according to claim 3, characterized in that the lens (2) is provided with a rotating ring (3) for rotating the adjusting lens (2), one side of the top plate (15) is provided with a clamping groove (10), the optical channel (5) is provided with a clamping block (51), and the light source (6) is fixedly arranged on the base (4);

the clamping groove (10) is matched with the clamping block (51) and used for clamping and fixing the light channel (5).

5. The portable projector structure according to claim 2, wherein a fixing plate (7) is fastened on the light channel (5), the fixing plate (7) is connected with the housing (1), and a circuit is installed on the fixing plate (7) for inputting projection signals.

6. The portable projection optical machine structure according to claim 2, wherein one side of the light source (6) is fixedly provided with a mounting plate (65), the other side is fixedly provided with a first heat dissipation channel (9), one end of the light source (6) is provided with a rectangular shell (61), a mounting rod (64) is fixedly arranged in the rectangular shell (61), and the mounting rod (64) is provided with heat dissipation fins (8) distributed in an array for heat dissipation of an optical machine component;

the heat dissipation device is characterized in that grooves are formed in two ends of the rectangular shell (61) and used for dissipating heat of the heat dissipation fins (8), a second heat dissipation channel (63) is fixedly arranged on the rectangular shell (61) and used for improving the heat dissipation effect of the heat dissipation fins (8), fixing pipes (62) distributed in an array are arranged on the rectangular shell (61), and the rectangular shell (61) is connected and fixed on the base (4) through bolts and the fixing pipes (62).