CN114185236A

CN114185236A - Optical-mechanical module and electronic equipment

Info

Publication number: CN114185236A
Application number: CN202111435214.8A
Authority: CN
Inventors: 王俊皓; 陶淑林; 丁卫涛
Original assignee: Goertek Optical Technology Co Ltd
Current assignee: Goertek Optical Technology Co Ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-03-15
Also published as: WO2023092714A1

Abstract

The invention discloses an optical-mechanical module and electronic equipment, wherein the optical-mechanical module comprises: the optical machine main body is provided with a light outlet; the guide rail assembly is arranged on the optical machine main body; the lens assembly is connected with the guide rail assembly in a sliding mode and provided with an incident end and a projection end, and light rays emitted by the light outlet are emitted into the incident end; the driving device is arranged on the optical machine body and connected with the lens assembly, and the driving device is configured to drive the lens assembly to move along the guide rail assembly; in the process that the lens component moves along the guide rail component, the projection of the optical machine module can deviate.

Description

Optical-mechanical module and electronic equipment

Technical Field

The present invention relates to projection technologies, and more particularly, to an optical module and an electronic device.

Background

At present, the technology of implementing image projection through an optical machine is very common. In the existing projection equipment, the problem that a projected picture and a projection surface are deviated in use exists, the projection equipment needs to be moved for adjustment, the projection picture is not easy to be adjusted to an accurate position, and the use experience of a user is influenced.

Therefore, a new technical solution is needed to solve the above technical problems.

Disclosure of Invention

The invention aims to provide a novel technical scheme of an optical-mechanical module and electronic equipment.

According to a first aspect of the present invention, there is provided an opto-mechanical module, comprising:

the optical machine main body is provided with a light outlet;

the guide rail assembly is arranged on the optical machine main body;

the lens assembly is connected with the guide rail assembly in a sliding mode and provided with an incident end and a projection end, and light rays emitted by the light outlet are emitted into the incident end;

the driving device is arranged on the optical machine body and connected with the lens assembly, and the driving device is configured to drive the lens assembly to move along the guide rail assembly;

in the process that the lens component moves along the guide rail component, the projection of the optical machine module can deviate.

Optionally, the rail assembly comprises a first rail and a second rail;

be provided with first sliding part and second sliding part on the lens subassembly, first guide rail with first sliding part sliding connection, the second guide rail with the second sliding part is connected, first sliding part is located the first side of lens subassembly, the second sliding part is located the second side of lens subassembly, first side with the second side is for the both sides that deviate from mutually of lens subassembly.

Optionally, the first guide rail and the second guide rail are of a columnar structure, and the first sliding portion and the second sliding portion are of a tunnel structure.

Optionally, a limit structure is arranged on the optical machine main body, a transmission structure is arranged on the lens assembly, the driving device is arranged on the limit structure, and the driving device is connected with the transmission structure.

Optionally, the driving device comprises a shifting portion and a threaded rod connected with the shifting portion, a threaded hole is formed in the transmission structure, a limiting hole is formed in the limiting structure, the threaded rod penetrates through the limiting hole, the threaded rod is matched with the threaded hole, and the shifting portion and the threaded hole are located on two sides of the limiting structure.

Optionally, the limiting structure includes an upper seat and a lower seat, the lower seat is disposed on the optical machine main body, the upper seat is disposed on the lower seat, a first notch is disposed on the upper seat, a second notch is disposed on the lower seat, and the first notch and the second notch form the limiting hole.

Optionally, the transmission structure includes a support portion and a connection portion disposed on the support portion, the support portion is connected to the lens assembly, and the connection portion is provided with the threaded hole.

Optionally, a support plate is arranged on the optical machine main body, a hollow structure is arranged on the support plate, light emitted by the light outlet can penetrate through the hollow structure, and the guide rail assembly is arranged on the support plate.

Optionally, the lens assembly includes a lens flange, a lens and a focusing motor, the lens flange is slidably connected to the guide rail assembly, the lens and the focusing motor are disposed on the lens flange, the lens is connected to the focusing motor, the lens has an incident end and a projection end, and light emitted from the light outlet is incident on the incident end;

the driving device is connected with the lens flange and is configured to drive the lens flange to move along the guide rail assembly.

According to a first aspect of the present invention, an electronic device is provided, which includes the opto-mechanical module according to any one of the first aspect.

According to one embodiment of the disclosure, the lens assembly is driven by the driving device to move along the guide rail assembly, so that the lens assembly can move relative to the optical machine body, and a projection picture formed after light emitted by the light outlet of the optical machine body is emitted through the projection end of the lens assembly deviates, so that the position of the projection picture is adjusted.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic structural diagram of an optical-mechanical module according to an embodiment of the disclosure.

Fig. 2 is a second schematic structural diagram of the opto-mechanical module according to an embodiment of the disclosure.

Fig. 3 is an exploded view of an opto-mechanical module according to one embodiment of the present disclosure.

Fig. 4 is a schematic diagram of positions of a projection image of the optical-mechanical module in different projection offset states according to an embodiment of the disclosure.

1. A light machine main body; 10. a light outlet; 11. a carrier plate; 110. a hollow structure; 12. a limiting structure; 121. a lower seat; 1210. a second notch; 122. an upper seat; 1220. a first notch; 13. a transmission structure; 130. a threaded hole; 131. a support portion; 132. a connecting portion; 2. a guide rail assembly; 21. a first guide rail; 22. a second guide rail; 3. a lens assembly; 301. a first sliding section; 302. a second sliding section; 31. a lens flange; 32. a lens; 33. a focus motor; 4. a drive device; 41. a toggle part; 42. a threaded rod; 5. and (4) a projection surface.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

According to an embodiment of the present disclosure, there is provided an optical-mechanical module, as shown in fig. 1 to 4, the optical-mechanical module includes: the optical machine comprises an optical machine body 1, a guide rail component 2, a lens component 3 and a driving device 4.

The optical machine body 1 has a light outlet 10. The picture light of the optical machine body 1 is emitted through the light outlet 10.

The guide rail assembly 2 is arranged on the optical machine main body 1.

The lens assembly 3 is connected with the guide rail assembly 2 in a sliding mode, the lens assembly 3 is provided with an incident end and a projection end, and light emitted by the light outlet 10 is emitted into the incident end. The light beam entering the incident end is finally emitted through the projecting end, so that the light beam is projected to the projection surface 5 to form a picture.

The driving device 4 is disposed on the optical machine body 1, the driving device 4 is connected to the lens assembly 3, and the driving device 4 is configured to be able to drive the lens assembly 3 to move along the guide rail assembly 2.

In the process that the lens component 3 moves along the guide rail component 2, the projection of the optical mechanical module can deviate. When the lens assembly 3 moves along the guide rail assembly 2, the incident end of the lens assembly 3 moves relative to the light outlet 10, and further, the light path of the light emitted from the light outlet 10 is shifted under the action of the lens assembly 3, so that the light projected through the emergent end is projected and shifted on the projection surface.

In this embodiment, the lens assembly 3 is driven by the driving device 4 to move along the guide rail assembly 2, so that the lens assembly 3 can move relative to the optical engine body 1, and thus, a projection picture formed by light emitted from the light outlet 10 of the optical engine body 1 after being emitted through the projection end of the lens assembly 3 is shifted, so as to adjust the position of the projection picture.

As shown in fig. 4, a, b and c are three different projection states of the optical mechanical module. The lens assembly 3 is driven by the driving device to move, so that the projection picture of the optical-mechanical module is deviated.

For example, the optical-mechanical module has 0% -150% compensation by driving the lens assembly 3 to move by the driving device.

In one embodiment, as shown in fig. 1-3, the track assembly 2 includes a first track 21 and a second track 22.

Be provided with first sliding part 301 and second sliding part 302 on the lens subassembly 3, first guide rail 21 with first sliding part 301 sliding connection, second guide rail 22 with second sliding part 302 is connected, first sliding part 301 is located the first side of lens subassembly 3, second sliding part 302 is located the second side of lens subassembly 3, first side with the second side does the both sides that deviate from mutually of lens subassembly 3.

In this embodiment, the lens assembly 3 is supported by the first rail 21 and the second rail 22. And the first sliding part 301 is matched with the first guide rail 21, and the second sliding part 302 is matched with the second guide rail 22, so that stable support is formed on two sides of the lens assembly 3, and the stability of the lens assembly 3 in sliding along the guide rail assembly 2 is improved.

In one embodiment, as shown in fig. 3, the first guide rail 21 and the second guide rail 22 have a column structure, and the first sliding portion 301 and the second sliding portion 302 have a tunnel structure.

In this embodiment, the pillar structure can penetrate into the hole structure, and the lens component 3 is sleeved on the pillar structure through the hole structure, so that the lens component 3 can move along the pillar structure.

For example, both ends of the columnar structure are fixed on the optical machine body 1.

Alternatively, the first sliding portion 301 and the second sliding portion 302 may also be sliding grooves, so that the columnar structure is engaged with the sliding grooves, and the sliding grooves move along the columnar structure.

In one embodiment, as shown in fig. 1 and fig. 2, a limit structure 12 is disposed on the optical machine body 1, a transmission structure 13 is disposed on the lens assembly 3, the driving device 4 is disposed on the limit structure 12, and the driving device 4 is connected to the transmission structure 13.

In this embodiment, the driving device 4 drives the lens assembly 3 to move through the transmission structure 13. For example, the driving device 4 applies a driving force to the lens assembly 3 through the transmission structure 13.

In one embodiment, as shown in fig. 1 to 3, the driving device 4 includes a toggle portion 41 and a threaded rod 42 connected to the toggle portion 41, the transmission structure 13 is provided with a threaded hole 130, the limit structure 12 is provided with a limit hole, the threaded rod 42 passes through the limit hole, the threaded rod 42 is engaged with the threaded hole 130, and the toggle portion 41 and the threaded hole 130 are located on two sides of the limit structure 12.

In this embodiment, the threaded rod 42 can be rotated by rotating the toggle part 41, and the rotation of the threaded rod 42 can interact with the threaded hole 130 to generate the effect of relative movement.

For example, when the dial 41 is rotated, the threaded rod 42 is rotated to move the transmission mechanism 13 and move the lens assembly 3.

In one embodiment, the driving device 4 may also be a motor, and a transmission mechanism matching with the motor is disposed on the lens assembly 3, and the motor and the transmission mechanism cooperate to drive the lens assembly 3 to move.

For example, the output end of the motor is provided with a screw thread, and the lens assembly 3 is provided with a screw rod, and the screw thread and the screw rod are matched to form driving for the lens assembly 3.

In an embodiment, as shown in fig. 3, the limiting structure 12 includes an upper seat 122 and a lower seat 121, the lower seat 121 is disposed on the optical machine main body 1, the upper seat 122 is disposed on the lower seat 121, a first notch 1220 is disposed on the upper seat 122, a second notch 1210 is disposed on the lower seat 121, and the first notch 1220 and the second notch 1210 form the limiting hole.

In this embodiment, the upper seat 122 and the lower seat 121 combine to form the spacing structure 12. The limiting structure 12 is simple in structure and convenient to assemble. For example, the upper seat 122 and the lower seat 121 may be fixed by screws.

In one embodiment, as shown in fig. 3, the transmission structure 13 includes a supporting portion 131 and a connecting portion 132 disposed on the supporting portion 131, the supporting portion 131 is connected to the lens assembly 3, and the connecting portion 132 is disposed with the threaded hole 130.

In this embodiment, the support portion 131 functions to support the connection portion 132. For example, the support portions 131 are provided at both ends of the connection portion 132 to form a stable support.

The threaded hole 130 on the connecting portion 132 cooperates with the threaded rod 42 to enable the formation of a driving structure. When the dial portion 41 is rotated to rotate the threaded rod 42, the threaded rod 42 moves relative to the connecting portion 132, and the connecting portion 132 is driven to move. The connecting portion 132 drives the supporting portion 131 to move, so as to drive the lens assembly 3 to move. The transmission structure 13 is simple in structure and convenient to assemble. For example, the support portion 131 is connected to the lens assembly 3 by screws.

In one embodiment, as shown in fig. 1 to fig. 3, a carrier plate 11 is disposed on the optical-mechanical body 1, a hollow structure 110 is disposed on the carrier plate 11, the light emitted from the light outlet 10 can pass through the hollow structure 110, and the guide rail assembly 2 is disposed on the carrier plate 11.

In this embodiment, the carrier plate 11 is used for carrying the guide rail assembly 2 and the lens assembly 3, and a hollow structure 110 forms a space avoiding the light path, so as to prevent the carrier plate 11 from blocking the light emitted from the light outlet 10.

For example, the limiting structure 12 may be arranged on the carrier plate 11.

In one embodiment, as shown in fig. 3, the lens assembly 3 includes a lens flange 31, a lens 32 and a focusing motor 33, the lens flange 31 is slidably connected to the guide rail assembly 2, the lens 32 and the focusing motor 33 are disposed on the lens flange 31, the lens 32 is connected to the focusing motor 33, the lens 32 has an incident end and a projection end, and light emitted from the light outlet 10 is incident on the incident end.

The driving device 4 is connected to the lens flange 31, and the driving device 4 is configured to drive the lens flange 31 to move along the rail assembly 2.

In this embodiment, the lens flange 31 is used for carrying the lens 32 and the focusing motor 33, and the driving device 4 can drive the lens flange 31 to move so as to move the lens 32. When the lens 32 moves, the incident end of the lens moves relative to the light exit 10, thereby achieving an effect of causing a projection shift of a screen projected from the light exit.

The focus motor 33 can focus the lens 32 to focus the screen on which the projection shift has occurred, so that the projected screen can maintain sharpness.

For example, the transmission structure 13 may be provided on the lens flange 31. For example, the support portion 131 is connected to the lens flange 31.

According to an embodiment of the present disclosure, an electronic device is provided, which includes the optical-mechanical module according to any one of the above embodiments.

In this embodiment, the electronic device has the technical effects of the optical-mechanical module. The electronic device may be a projection device or a head-mounted device.

In the above embodiments, the differences between the embodiments are described in emphasis, and different optimization features between the embodiments can be combined to form a better embodiment as long as the differences are not contradictory, and further description is omitted here in consideration of brevity of the text.

Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. An optical-mechanical module, comprising:

the optical machine main body is provided with a light outlet;

the guide rail assembly is arranged on the optical machine main body;

2. The opto-mechanical module of claim 1, wherein the rail assembly comprises a first rail and a second rail;

3. The opto-mechanical module of claim 2, wherein the first and second rails are of a cylindrical configuration and the first and second sliding portions are of a tunnel configuration.

4. The opto-mechanical module of claim 1, wherein the opto-mechanical body is provided with a limit structure, the lens assembly is provided with a transmission structure, the driving device is provided on the limit structure, and the driving device is connected with the transmission structure.

5. The optical-mechanical module of claim 4, wherein the driving device comprises a shifting portion and a threaded rod connected to the shifting portion, the transmission structure is provided with a threaded hole, the limiting structure is provided with a limiting hole, the threaded rod passes through the limiting hole, the threaded rod is matched with the threaded hole, and the shifting portion and the threaded hole are located on two sides of the limiting structure.

6. The optical-mechanical module of claim 5, wherein the limiting structure comprises an upper seat and a lower seat, the lower seat is disposed on the optical-mechanical body, the upper seat is disposed on the lower seat, a first notch is disposed on the upper seat, a second notch is disposed on the lower seat, and the first notch and the second notch form the limiting hole.

7. The opto-mechanical module of claim 5, wherein the transmission structure comprises a support portion and a connection portion disposed on the support portion, the support portion is connected to the lens assembly, and the connection portion is provided with the threaded hole.

8. The optical-mechanical module of claim 1, wherein a carrier plate is disposed on the optical-mechanical body, a hollow structure is disposed on the carrier plate, the light emitted from the light outlet can pass through the hollow structure, and the guide rail assembly is disposed on the carrier plate.

9. The optical-mechanical module of claim 1, wherein the lens assembly comprises a lens flange, a lens and a focusing motor, the lens flange is slidably connected to the guide rail assembly, the lens and the focusing motor are disposed on the lens flange, the lens is connected to the focusing motor, the lens has an incident end and a projecting end, and the light emitted from the light outlet is incident on the incident end;

10. An electronic device comprising the opto-mechanical module of any of claims 1-9.