CN220473849U - Reflection projector - Google Patents

Abstract

The utility model aims to disclose a reflection projector, which relates to the technical field of projection and comprises a shell and a projection assembly arranged in the shell, wherein a hollowed-out part is arranged at the bottom of the shell, and a reflector is arranged at the bottom of the shell; the light of the projection component is reflected by the reflector and then projected; the reflector has an included angle with the shell, and compared with the prior art, the utility model has the beneficial effects that: the light of the projection component is reflected by the reflector after passing through the hollowed-out part, and then is projected, and an included angle is formed between the reflector and the shell; when the projector is not used, the included angle between the reflecting mirror and the shell is 0 DEG, and the reflecting mirror just shields the hollowed-out part; when the projector works, the reflector reflects projection content at a certain included angle; the utility model can hide the projection lens in the shell, with beautiful design, and the reflected projection content is more real.

Description

Reflection projector

Technical Field

The present utility model relates to the field of projection technologies, and in particular, to a reflective projector.

Background

The projector, especially the ceiling type or suspension type projector, mainly projects towards the screen or the wall surface through the projection lens, can obviously observe the position of the lens, and the appearance design is not beautiful enough. In addition, the conventional projector has the defect of deformation of a projection screen during projection.

In view of this, there is a need to develop a reflective projector that overcomes the above-described drawbacks.

Disclosure of Invention

The utility model aims to disclose a reflecting projector, which aims to hide a projection component and enable a picture to be projected more truly by reflecting projection contents through a reflector.

In order to achieve the above object, the present utility model provides a reflective projector, which comprises a housing and a projection assembly disposed in the housing, wherein a hollowed-out portion is disposed at the bottom of the housing, and a reflective mirror is disposed at the bottom of the housing;

the light of the projection component is reflected by the reflector and then projected;

an included angle is formed between the reflector and the shell.

Preferably, the reflector is mounted on a reflector bracket, and the reflector bracket is rotatably arranged on a rotating bracket;

the rotating bracket is driven to rotate through the gear motor, and the gear motor is arranged in the shell.

Preferably, a hollowed-out fixing plate is arranged at the top of the speed reducing motor.

Preferably, the included angle is 0 ° -60 °.

Preferably, the housing includes an upper cover and a lower cover, the upper cover being provided with a semicircular mounting hole.

Preferably, the hollowed-out part and the reflector are arranged in a matched mode.

Preferably, the projection assembly includes a projector, an optical path assembly, a heat dissipation assembly, and a PCB board driving assembly.

Preferably, the light path component comprises a reflecting mirror and a lens, wherein the included angle between the reflecting mirror and the horizontal plane is 45 degrees, and the included angle between the lens and the reflecting mirror is 45 degrees.

Preferably, the heat dissipation assembly comprises a plurality of fins, and the fins are connected with the heat generation area of the projector through copper pipes.

Preferably, a lighting unit is also provided within the housing.

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

the light of the projection component is reflected by the reflector after passing through the hollowed-out part, and then is projected, and an included angle is formed between the reflector and the shell; when the projector is not used, the included angle between the reflecting mirror and the shell is 0 DEG, and the reflecting mirror just shields the hollowed-out part; when the projector works, the reflector reflects projection content at a certain included angle; the utility model can hide the projection lens in the shell, with beautiful design, and the reflected projection content is more real.

Drawings

Fig. 1 is a schematic perspective view of a reflective projector according to the present utility model.

FIG. 2 is a schematic diagram of an exploded structure of a reflective projector according to the present utility model.

FIG. 3 is a schematic diagram of a projection path of a reflective projector according to the present utility model.

Fig. 4 is a schematic perspective view of a projection assembly and a reflector according to the present utility model.

Fig. 5 is a schematic perspective view of a projection assembly and a reflector according to the present utility model.

Fig. 6 is a schematic perspective view of a projection assembly and a reflector according to the present utility model.

FIG. 7 is a schematic view of the mirror bracket of the present utility model in an unrotated state.

FIG. 8 is a schematic view showing a rotation state of the mirror bracket according to the present utility model.

1, a shell; 11. an upper cover; 12. a lower cover; 13. a semicircular mounting hole; 2, a projection assembly; 21. a projector; 22. an optical path component; 221. a reflecting mirror; 222. a lens; 23. a heat dissipation assembly; 231. fins; 232. copper pipe; 3. a hollowed-out part; 4. a reflective mirror; 41. a mirror bracket; 42. a rotating bracket; 43. a speed reducing motor; 44. a mounting bracket; 5. and the hollow fixing plate.

Detailed Description

The present utility model will be described in detail below with reference to the embodiments shown in the drawings, but it should be understood that the embodiments are not limited to the present utility model, and functional, method, or structural equivalents and alternatives according to the embodiments are within the scope of protection of the present utility model by those skilled in the art.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The following describes embodiments of the present utility model.

Example 1

Referring to fig. 1 to 8, this embodiment discloses a specific implementation of a reflective projector.

Referring to fig. 1 to 8, the reflection projector comprises a housing 1 and a projection assembly 2 arranged in the housing 1, wherein a hollowed-out part 3 is arranged at the bottom of the housing 1, and a reflector 4 is arranged at the bottom of the housing 1; the light rays of the projection assembly 2 are reflected by the reflector 4 and then projected; an included angle is formed between the reflector 4 and the shell 1.

Specifically, the housing 1 includes an upper cover 11 and a lower cover 12, the upper cover 11 is provided with a semicircular mounting hole 13 for mounting a reflective projector by a suspended ceiling or a cantilever; an included angle is formed between the reflector 4 and the shell 1, the included angle is 0-60 degrees, when the projector is not used, as shown in fig. 7, the included angle between the reflector and the shell is 0 degrees, the reflector 4 just shields the hollowed-out part 3, namely the hollowed-out part 3 and the reflector 4 are matched, and the hollowed-out part 3 and the reflector 4 are circular; when the projector works, the reflecting mirror 4 reflects projection contents at a certain included angle, the state of the reflecting mirror is shown in fig. 8, for example, horizontal projection can be realized at an included angle of 45 degrees, and projection with a certain inclination can be realized at an included angle of 60 degrees, for example, the projection direction shown by an arrow in fig. 3.

Referring to fig. 3, the principle of angular adjustment of the mirror 4 is as follows: the reflector 4 is installed in the reflector bracket 41, the reflector bracket 41 is preferably circular, the circular reflector 4 is installed in the reflector bracket 41, the reflector bracket 41 is rotationally arranged in the rotating bracket 42, the rotating bracket 42 is driven to rotate through the gear motor 43, the gear motor 43 is arranged in the shell 1, when the projector is started, the gear motor 43 drives the rotating bracket 42 to rotate and drives the reflector bracket 41 to rotate, a certain included angle is formed between the reflector 4 and the shell 1, the lens of the projector projects in a vertically downward light path, after being reflected by the reflector 4, projection content is reflected on a screen or a wall surface, the projection lens is completely hidden in the shell, the design is more attractive, and in addition, the reflected projection content is more real. For fixed gear motor 43 top sets up fretwork fixed plate 5, and the camera lens of projector passes fretwork fixed plate 5, and fretwork fixed plate 5 installs in the casing, and is fixed through installing support 44 between fretwork fixed plate 5 and the gear motor 43.

Referring to fig. 4 to 6, the projection assembly 2 includes a projector 21, an optical path assembly 22, a heat dissipation assembly 23, and a PCB driving assembly 24; the optical path component 22 includes a reflector 221 and a lens 222, wherein an included angle between the reflector 221 and a horizontal plane is 45 °, and an included angle between the lens 222 and the reflector 221 is 45 °, so as to ensure that the lens 222 is directed to the reflector 4 in a vertical downward direction; the heat dissipation assembly 23 includes a plurality of fins 231, and the fins 231 are connected to the heat generation area of the projector 21 through copper tubes 232, so as to ensure the heat dissipation effect of the projector 21.

Referring to fig. 3, the principle of reflection projection is as follows: the lens 222 of the projector 21 emits projection content in a vertical state, the projection content is reflected by the reflector 4 after passing through the hollowed-out part 3, and then projection is performed, and the adjustment of the picture is realized by adjusting the angle of the reflector 4 and the focal length of the projector.

It should be further noted that, the housing of the projector of this embodiment may further be provided with a lighting unit, for example, a plurality of LED lamp beads are provided, so that the reflective projector has a lighting function, and is a projection lamp, and the projection lamp may be suspended for installation or cantilever installation according to practical situations.

Claims (10)

1. The reflection projector is characterized by comprising a shell and a projection assembly arranged in the shell, wherein a hollowed-out part is arranged at the bottom of the shell, and a reflector is arranged at the bottom of the shell;

the light of the projection component is reflected by the reflector and then projected;

an included angle is formed between the reflector and the shell.

2. The reflective projector of claim 1, wherein the mirror is mounted to a mirror bracket rotatably disposed to a swivel bracket;

the rotating bracket is driven to rotate through the gear motor, and the gear motor is arranged in the shell.

3. The reflex projector as recited in claim 2 wherein a hollowed-out fixed plate is provided on top of the gear motor.

4. The reflective projector of claim 1, wherein the included angle is 0 ° -60 °.

5. The reflective projector of any of claims 1-4, wherein the housing includes an upper cover and a lower cover, the upper cover providing a semi-circular mounting hole.

6. The reflective projector of any of claims 1-4, wherein the hollowed-out portion and the mirror are cooperatively disposed.

7. The reflective projector of any of claims 1-4, wherein the projection assembly includes a projector, an optical path assembly, a heat sink assembly, and a PCB drive assembly.

8. The reflective projector of claim 7, wherein the light path assembly includes a mirror and a lens, the mirror being at an angle of 45 ° to the horizontal, the lens being at an angle of 45 ° to the mirror.

9. The reflex projector as recited in claim 7 wherein the heat sink assembly comprises a plurality of fins connected to a heat generating area of the projector by copper tubing.

10. The reflective projector of claim 7, wherein an illumination unit is further disposed within the housing.