WO2020010856A1

WO2020010856A1 - Dmd adjustment device and adjustment system and multi-dmd opto-mechanical system

Info

Publication number: WO2020010856A1
Application number: PCT/CN2019/076622
Authority: WO
Inventors: 周正平; 周建华; 郭燊
Original assignee: 深圳光峰科技股份有限公司
Priority date: 2018-07-12
Filing date: 2019-03-01
Publication date: 2020-01-16
Also published as: CN110716372B; CN110716372A

Abstract

Disclosed are a DMD adjustment device and a DMD adjustment system. The DMD adjustment device comprises: a DMD adjustment frame with a first and a second installation structure provided thereon, with the DMD adjustment frame being installed on an adjustment platform by means of the first installation structure; and a clamping member comprising an installation portion and a clamping portion, wherein the installation portion cooperates with the second installation structure to install the clamping member on the adjustment frame, and the clamping portion is used for clamping an adjustable DMD assembly. A multi-DMD opto-mechanical system is further involved, comprising a DMD opto-mechanical housing, a fixed DMD assembly and an adjustable DMD assembly, wherein the DMD opto-mechanical housing comprises a first installation face for installing the fixed DMD assembly and a second installation face for installing the adjustable DMD assembly; and the fixed DMD assembly comprises a DMD assembly directly installed on the first installation face; furthermore, the adjustable DMD assembly comprises an DMD assembly installed on an installation plate, and the installation plate is installed on the second installation face. This can make the debugging and assembling of the multi-DMD opto-mechanical system simple and convenient.

Description

DMD adjusting device, adjusting system and multi-DMD optical machine system

Technical field

The invention relates to the field of projection, in particular to a DMD adjusting device, an adjusting system, and a multi-DMD optical machine system in the field of projection.

Background technique

DMD (Digital Micromirror Device) is a key output device for imaging in various types of projection systems such as home projection, engineering projection, and cinema projection. When a single DMD is used in a projection system, the DMD chip will exceed the temperature limit and become unstable under high brightness output conditions due to heat dissipation restrictions. Therefore, the use of multiple DMDs in a projection system that greatly increases the brightness output changes. For a good choice. The high coincidence of pixels is one of the keys to the use of multiple DMDs. Therefore, very precise adjustment devices and adjustment systems are required to comprehensively adjust the installation position of DMDs to ensure the precise integration of multi-DMD imaging.

Summary of the invention

In view of the above circumstances, the present invention provides a DMD adjustment device, an adjustment system, and a multi-DMD optical machine system to solve the above problems.

In a first aspect, the present invention provides a DMD adjustment device, including:

DMD adjusting frame, the DMD adjusting frame is provided with a plurality of mounting structures, the mounting structure includes a first mounting structure and a second mounting structure, and the first mounting structure is used for mounting the DMD adjusting frame to an adjustment platform.

The clamping member includes a mounting portion and a clamping portion, and the mounting portion cooperates with the second mounting structure on the DMD adjustment frame to mount the clamping piece to the adjustment frame, and the clamping portion includes An adjustable indenter for clamping an adjustable DMD component.

In a second aspect, the present invention provides a DMD adjustment system. The DMD adjustment system includes an adjustment platform and the above-mentioned DMD adjustment device. The DMD adjustment device is mounted to the adjustment platform and is driven by the adjustment platform to adjust the clamp. The position and angle of the adjustable DMD component held on the DMD adjusting device relative to the DMD optical chassis.

According to a third aspect, the present invention provides a multi-DMD optical-machine system, which includes a DMD optical chassis and at least one fixed DMD component and at least one adjustable DMD component installed to the DMD optical chassis, The DMD optical chassis includes at least one first mounting surface to mount the fixed DMD component, and at least one second mounting surface to mount the adjustable DMD component. The fixed DMD component includes a DMD component, and the DMD component is directly mounted to The first mounting surface of the DMD optical chassis, the adjustable DMD component includes a DMD component and a mounting plate, the DMD component of the adjustable DMD component is mounted on the mounting plate, and the mounting plate is mounted on the mounting plate The second mounting surface of the DMD optical chassis.

The advantages of the present invention are:

The DMD adjusting device and the adjusting system provided by the embodiment of the present invention use the clamping member to conveniently and stably fix the adjustable DMD component, and then adjust the position and angle of the DMD component by adjusting the platform to drive the DMD adjusting device, so that the adjustment before the installation of the DMD component is completed. Convenient, reduces the debugging time of the DMD optical machine system, facilitates the assembly of the prototype of the DMD optical machine system and mature products, and the DMD adjusting device provided by the present invention has a simple structure, convenient disassembly and assembly, high use efficiency, and a wide trial range, which is also applicable. Adjusting other optical parts and precision parts. The adjustment platform used by the DMD adjustment system provided by the present invention has a simple structure, does not require complicated control systems and motion systems, and has stable work, low cost and easy damage, easy maintenance, high adjustment precision and strong operability, and a wide range of applications.

The multi-DMD optical-mechanical system provided by the present invention is directly fixed by one DMD component, and the other DMD component is adjustable and fixed after being adjusted through a mounting plate, which also makes the debugging and assembly of the multi-DMD optical-mechanical system simple and convenient. Save commissioning and installation time.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic perspective view of a DMD adjustment system according to an embodiment of the present invention.

FIG. 2 is a schematic perspective view of a DMD adjusting device according to an embodiment of the present invention.

FIG. 3 is an exploded view of the DMD adjusting device and a multi-DMD optical-mechanical system shown in FIG. 2.

FIG. 4 is a schematic diagram of an adjustable DMD component of a multi-DMD optical-mechanical system using the DMD adjusting device shown in FIG. 3.

FIG. 5 is a flowchart of a multi-DMD installation method according to an embodiment.

detailed description

In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that when a component is called "installed on" another component, it may be directly on another component or a centered component may exist. When a component is considered to be “set on” another component, it can be directly set on another component or a centered component may exist at the same time. When a component is called "connected to" another component, it can be directly connected to another component or a centered component can exist. When a component is referred to as being "directly mounted, set, or connected to" another component, it is directly "mounted, set, or connected to" another component without centering the component.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The term "or / and" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to FIG. 1, which is a schematic perspective view of a DMD adjustment system according to an embodiment of the present invention. The DMD adjustment system 10 includes an adjustment platform 100 and a DMD adjustment device 200. In this embodiment, the adjustment platform 100 is a six-axis adjustment platform. The DMD adjustment device 200 is installed on the adjustment platform 100, and the DMD adjustment device 200 is adjusted in front, rear, left, and The positions of the right, up, and down six positions and the angle of the DMD adjusting device 200 relative to the DMD optical housing are adjusted. For illustrative purposes, in FIG. 1, the DMD adjusting device 200 does not show the entire structure, but only the DMD adjusting frame 201 therein.

The adjustment platform 100 is disposed on the light adjustment platform 300 and includes a support table 101, a first azimuth translation mechanism 102, a second azimuth translation mechanism 103, a third-party position translation mechanism 104, and an angle adjustment mechanism 105. The first azimuth translation mechanism 102 is installed on the support table 101 and includes an adjustment handle 1021 for manually adjusting the first translation mechanism 102 to move left and right on the support table 101. The second azimuth translation mechanism 103 is installed on the support table 101. The first azimuth translation mechanism 102 moves on and follows the left and right movement of the first azimuth translation mechanism 102. The second azimuth translation mechanism 103 includes an adjustment handle 1031 for manually adjusting the second azimuth translation mechanism 103 at the first The azimuth translation mechanism 102 moves back and forth, and the third-party translation mechanism 104 is mounted on the second azimuth translation structure 103 through an adapter angle beam 106, and moves following the left, right, and forward movement of the second azimuth translation mechanism 103. The third The azimuth translation mechanism 104 includes an adjustment handle 1041 for manually adjusting the third-party position translation mechanism 104 up and down on the transition angle beam 106. It can be understood that each of the first, second, and third-party translation mechanisms 102 to 104 includes a transmission mechanism (not shown), which converts the rotation of the

corresponding adjustment handle

1021, 1031, or 1041 into a corresponding one. The linear translation of the

azimuth translation mechanism

102, 103 or 104. It can be understood that the transmission mechanism may adopt a ball screw transmission or other transmission methods.

One end of the angle adjustment mechanism 105 is installed to one side of the third-party position translation mechanism 104, and moves along with the left-right, front-back, and up-and-down movement of the third-party position translation mechanism 104. A DMD adjustment device 200 is installed at the other end of the angle adjustment mechanism 105. 105 includes an adjustment handle 1051, which is used to manually adjust the tilt angle of the DMD adjustment device 200 relative to the DMD optical chassis in which the DMD component is pre-installed. It can be understood that, in one embodiment, the adjustment handle 1051 can be rotated around the rotation axis of the angle adjustment mechanism 105 within a certain angle range, thereby driving the DMD adjustment device 200 to rotate.

The transition angle beam 106 is substantially a right-angled triangle, and two sides corresponding to the right angle are respectively connected to the second azimuth translation mechanism 103 and the third-party position translation mechanism 104. In the embodiment shown in FIG. 1, the support table 101, the first azimuth translation mechanism 102, and the second azimuth translation mechanism 103 are sequentially stacked in a bottom-to-up orientation, while the third-party translation mechanism 104 and the angle adjustment The mechanism 105 and the DMD adjusting frame 201 are sequentially connected in a direction from right to left. The rotation axis of the angle adjusting mechanism 105 is arranged on the left and right directions from right to left.

Please refer to FIGS. 2 and 3. The DMD adjusting device 200 includes a DMD adjusting frame 201, a mounting member 202, a clamping member 203, and a positioning member 204. The DMD adjusting frame 201 includes a frame body 2011 and is disposed on the frame body 2011. In this embodiment, the mounting structure includes a mounting structure 2012 for mounting the DMD adjusting frame 201 to the adjusting platform 100, a mounting structure 2013 for mounting the mounting member 202 to the DMD adjusting frame 201, and a positioning member 204 to the DMD. The mounting structure 2014 of the adjusting frame 201. The mounting structure 2012 is disposed on one side of the frame body 2011. After the DMD adjustment device 200 is mounted on the adjustment platform 100, the installation structure 2012 faces the angle adjustment mechanism 105 of the adjustment platform 100. In this embodiment, the installation structure 2012 is a A mounting plate with a mounting hole is provided. The angle adjustment mechanism 105 is provided with a mounting hole. A connection member such as a screw is passed through the mounting hole on the mounting structure 2012 and the mounting hole on the angle adjustment mechanism 105, so that the DMD adjustment device 200 can be installed. Mounted to the adjustment platform 100. The mounting

structures

2013 and 2014 are arranged on the frame body 2011 at a direction substantially perpendicular to the mounting structure 2012, that is, the mounting structure 2012 is disposed facing the first direction, and the mounting

structures

2013 and 2014 are disposed facing the second direction, and the second direction and the first direction are approximately Vertically, for example, as shown in FIG. 1, the mounting structure 2012 is mounted to one end of the angle adjustment mechanism 105 facing to the right, and the mounting

structures

2013 and 2014 face forward and are substantially perpendicular to the mounting structure 2012.

In this embodiment, the mounting

structures

2013 and 2014 are both mounting holes provided in the frame body 2011, and the mounting structure 2013 is located above the mounting structure 2014. The mounting member 202 is a mounting plate provided with a mounting hole 2021 and a mounting hole 2022. The mounting member 202 can be mounted to the DMD adjusting frame 201 by using a screw or the like to pass through the mounting hole 2021 and the mounting structure 2013 on the mounting member 202. The positioning member 204 is a positioning board provided with a mounting hole 2041. Similarly, the positioning member 204 can be mounted to the DMD adjusting frame 201 by using a screw or the like to pass through the mounting hole 2041 and the mounting structure 2014 on the positioning member 204. on. The positioning member 204 is further provided with a positioning structure. In this embodiment, the positioning structure is a positioning column 2042. It can be understood that, in other embodiments, the mounting member 202 and the positioning member 204 may be disposed on the DMD adjusting frame 201 in a non-detachable manner, for example, integrally formed with the DMD adjusting frame 201. The mounting structure may also be a buckle or the like.

The clamping member 203 includes a mounting portion 2031 and a clamping portion 2032. The mounting portion 2031 is mounted on the DMD adjusting frame 201 through the mounting member 202. The clamping portion 2032 is used to clamp the adjustable DMD pre-mounted to the DMD optical chassis 401. Assembly 402. In this embodiment, the mounting portion 2031 is a mounting plate with a mounting hole 2033. The mounting hole 2033 of the mounting portion 2031 corresponds to the mounting hole 2022 on the mounting member 202. The mounting portion 2031 is passed through the mounting portion 2031 by a connection member such as a screw. The mounting hole 2033 on the upper part and the mounting hole 2022 on the mounting part 202 can be used to mount the clamping part 203 to the DMD adjusting frame 201. The clamping portion 2032 includes a clamping arm 2034 and an adjustable indenter 2035 provided at the end of the clamping arm 2034. In this embodiment, the adjustable indenter 2035 is an adjustable indenter nut. The DMD assembly 402 is clamped. Specifically, in this embodiment, the adjustable indenter nut holds the adjustable DMD assembly 402 by holding the adjustable DMD assembly 402 against the positioning member 204. It can be understood that, in other embodiments, the adjustable indenter nut clamps the adjustable DMD assembly 402 by holding the adjustable DMD assembly 402 against the DMD adjusting frame 201.

In this embodiment, the number of the mounting

structures

2013 and 2014, the mounting member 202, the clamping member 203, and the positioning member 204 are two. The two mounting structures 2013 are disposed at a distance along the first direction, or, in other embodiments, the two mounting structures 2013 are disposed at a distance along a third direction perpendicular to the first direction and the second direction. The two clamping members 203 are mounted to the corresponding mounting structure 2013 through the corresponding mounting members 202, thereby clamping both sides of the adjustable DMD assembly 402. The two mounting structures 2014 are also arranged at a distance along the first direction, or in other embodiments, the two mounting structures 2014 are arranged at a distance along the third direction, and the two mounting structures 2014 are also along the third direction. Set at a distance. The positioning posts 2042 of the two positioning members 204 position the adjustable DMD assembly 402 on both sides of the adjustable DMD assembly 402. In this embodiment, the clamping member 203 is an elbow clamp.

Please refer to FIG. 3 and FIG. 4. A multi-DMD optical-mechanical system 400 includes the optical chassis 401, an adjustable DMD assembly 402, and a fixed DMD assembly 403. The DMD optical-chassis 401 includes two mounting

surfaces

4011 and 4012. One mounting surface 4011 is used to install and fix the DMD component 403. In this embodiment, the fixed DMD component 403 cannot be adjusted relative to the mounting surface 401 during the installation process, that is, the position of the fixed DMD component 403 on the mounting surface 4011 is fixed. Is fixed. The other mounting surface 4012 is used to install the adjustable DMD component 402. Unlike the fixed DMD component 403, the adjustable DMD component 402 can adjust its position relative to the mounting surface 4012 during the process of mounting to the DMD optical chassis 401, for example, by The adjustment platform 100 drives the DMD adjustment device 200, which in turn drives the position of the adjustable DMD assembly 402 relative to the mounting surface 4012, for example, adjusting the adjustable DMD assembly 402 to the left or right, forward or backward, or up or down during installation The position on the surface 4012, and the adjustable DMD assembly 402 is rotated to have a certain inclination angle with respect to the mounting surface 4012. In this way, by adjusting the position and angle of the adjustable DMD component 402, the transmission image and the fixed DMD component 403 can be accurately overlapped.

The adjustable DMD component 402 includes a DMD component 4021 and a mounting plate 4022. The DMD component 4021 is fixed on the mounting plate 4022, and the mounting plate 4022 is fixed on the DMD adjusting device 200 by the clamping member 203, and is positioned by the positioning member 204. After the adjustment platform 100 drives the DMD adjustment device 200 to adjust the position of the adjustable DMD assembly 402, the mounting plate 4022 is mounted on the mounting surface 4012 of the DMD optical chassis 401. Specifically, in this embodiment, a plurality of mounting holes 4023 are provided on the mounting plate 4022, and a plurality of mounting posts 4013 are correspondingly provided on the mounting surface 4012. The mounting posts 4013 pass through the corresponding mounting holes 4023, and are disposed on the DMD assembly 4021. After the position is adjusted, the glass ring 600 is sleeved on the mounting column 4013, and the mounting plate 4022 is firmly locked on the DMD optical chassis 401 by dispensing glue around the glass ring 600.

In this embodiment, the mounting plate 4022 is made of Kovar with excellent thermal conductivity and strength.

Please refer to FIG. 5, which is a flowchart of a method for installing multiple DMD components to a DMD optical chassis according to an embodiment of the present invention. The multiple DMD components include at least one fixed DMD component and at least one adjustable DMD component. The fixed DMD component The "fixed" means that the position of the DMD component is not adjustable during the process of installing it to the DMD optical chassis, and the "adjustable" of the solid adjustable DMD component means that the position of the DMD component can be adjusted during the process of installing it to the DMD optical chassis. Being adjusted, the adjustable DMD component includes a mounting plate and a DMD component fixed on the mounting plate. The method includes:

In step S1, the fixed DMD component is mounted on the first mounting surface of the DMD optical chassis.

Step S2, fixing the adjustable DMD component to a DMD adjustment system, specifically, fixing the mounting plate of the adjustable DMD component to the DMD adjustment device of the DMD adjustment system, for example, using the DMD adjustment device to clamp the adjustable DMD component Mounting plate.

In step S3, the DMD adjustment device is driven by the adjustment platform of the DMD adjustment system, and then the adjustable DMD assembly is driven to adjust the position of the adjustable DMD assembly in front, rear, left, up, down, up and down six directions, and the second mounting surface of the adjustable DMD assembly relative to the DMD optical chassis Angle, so that the image output by the adjustable DMD component and the image output by the fixed DMD component accurately overlap.

In step S4, the adjustable DMD assembly with the adjusted position and angle is fixed to the second mounting surface of the DMD optical chassis. Specifically, after the position and angle of the adjustable DMD component are adjusted in place, the mounting plate of the adjustable DMD component is fixed to the DMD optical chassis through a glass ring and dispensing.

In summary, the DMD adjusting device provided by the embodiment of the present invention includes at least a DMD adjusting frame and a clamping member. The DMD adjusting frame is provided with at least a first mounting structure and a second mounting structure, wherein the first mounting structure connects the DMD adjusting frame. Mounted to the adjustment platform, the clamping part includes a mounting part and a clamping part, and the mounting part cooperates with the second mounting structure on the DMD adjusting frame to install the clamping part to the DMD adjusting frame. The clamping part includes an adjustable indenter and an adjustable type. The indenter can hold the adjustable DMD assembly. In the above specific implementation, the first mounting structure may be the mounting structure 2012, and the second mounting structure may be the mounting structure 2013. For example, the mounting portion 2031 of the clamping member 203 and the mounting structure 2013 are directly matched to the clamping member 203. Mounting to the DMD adjusting frame 201, or through the mounting member 202 in the middle, the mounting portion 2031 and the mounting structure 2013 indirectly cooperate to mount the clamping member 203 to the DMD adjusting frame 201, or integrally forming the mounting member 202 with the DMD adjusting frame 201, that is, When the mounting member 202 constitutes a part of the DMD adjusting frame 201, the second mounting structure may be a mounting hole 2022 in the mounting portion 202.

The DMD adjusting device and the adjusting system provided by the embodiments of the present invention use the clamping member to conveniently and stably fix the adjustable DMD component, and then adjust the position and angle of the DMD component by adjusting the platform to drive the DMD adjusting device, so that the adjustment before the DMD component is installed is very Convenient, reduces the debugging time of the DMD optical machine system, facilitates the assembly of the prototype of the DMD optical machine system and mature products, and the DMD adjusting device provided by the present invention has a simple structure, convenient disassembly and assembly, high use efficiency, and a wide trial range, which is also applicable. Adjusting other optical parts and precision parts. The adjustment platform used by the DMD adjustment system provided by the present invention has a simple structure, does not require complicated control systems and motion systems, has stable work, low cost, is not easily damaged, and is easy to maintain. At the same time, it has high adjustment accuracy and strong operability, and has a wide application range.

The multi-DMD installation method and the multi-DMD optical-machine system provided by the present invention, by fixing one DMD component in advance and then adjusting other DMD components, also make the debugging and assembly of the multi-DMD optical-machine system simple and convenient, and save debugging and installation time.

The above embodiments are only used to illustrate the technical solutions of the present invention and are not limiting. Although the present invention has been described in detail with reference to the above preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or equivalently replaced. All should not depart from the spirit and scope of the technical solution of the present invention.

Claims

A DMD adjustment device, comprising:

DMD adjusting frame, the DMD adjusting frame is provided with a plurality of mounting structures, the mounting structure includes a first mounting structure and a second mounting structure, and the first mounting structure is used for mounting the DMD adjusting frame to an adjustment platform;

The clamping member includes a mounting portion and a clamping portion, and the mounting portion cooperates with the second mounting structure on the DMD adjusting frame to mount the clamping member to the DMD adjusting frame, and the clamping portion Used to hold an adjustable DMD assembly.
The DMD adjusting device according to claim 1, wherein the clamping portion comprises an adjustable indenter, and the adjustable indenter is used for clamping the adjustable DMD assembly, and the adjustable indenter is Adjustable indenter nut.
The DMD adjusting device according to claim 2, further comprising a positioning member, the positioning member is disposed on the DMD adjusting frame, and the adjustable indenter presses the adjustable DMD assembly against the adjustable DMD assembly. The positioning member is used for clamping the adjustable DMD assembly, and the positioning member is provided with a positioning structure for positioning the adjustable DMD assembly.
The DMD adjusting device according to claim 3, further comprising a mounting member, wherein the clamping member is mounted to the second mounting structure on the DMD adjusting frame through the mounting member.
The DMD adjusting device according to claim 4, wherein the number of the second mounting structure, the mounting member, the clamping member, and the positioning member are two, and the two clamping members pass through the corresponding The mounting member is mounted to the corresponding second mounting structure, wherein two of the second mounting structures are spaced apart.
The DMD adjusting device according to claim 4, wherein the clamping member is an elbow clamp.
A DMD adjustment system, comprising a adjustment platform and the DMD adjustment device according to any one of claims 1-6, the DMD adjustment device is mounted to the adjustment platform, and the DMD adjustment device is in the adjustment Driven by the platform, the position and angle of the adjustable DMD component clamped on the DMD adjusting device relative to the DMD optical chassis are adjusted.
The DMD adjustment system according to claim 7, wherein the adjustment platform comprises a first azimuth translation mechanism, a second azimuth translation mechanism, a third-party position translation mechanism, and an angle adjustment mechanism, and the angle adjustment mechanism is disposed at the first One end of the three-azimuth translation mechanism, the third-party translation mechanism is disposed on the second orientation translation mechanism, the second orientation translation mechanism is disposed on the first orientation translation mechanism, the first, second, and third Each of the azimuth translation mechanism and the angle adjustment mechanism includes an adjustment handle for manually adjusting the displacement of the first, second, and third-party position translation mechanisms and the rotation angle of the angle adjustment mechanism.
A multi-DMD optical-machine system, characterized in that the multi-DMD optical-machine system includes a DMD optical chassis and at least one fixed DMD component and at least one adjustable DMD component installed to the DMD optical chassis, the DMD The optical chassis includes at least a first mounting surface to mount the fixed DMD component, and at least a second mounting surface to mount the adjustable DMD component. The fixed DMD component includes a DMD component, and the DMD component is directly mounted to the DMD. The first mounting surface of the optical chassis, the adjustable DMD component includes a DMD component and a mounting plate, the DMD component of the adjustable DMD component is mounted on the mounting plate, and the mounting plate is mounted to the DMD optical machine The second mounting surface of the shell.
The optomechanical system according to claim 9, wherein the mounting plate is a Kovar alloy plate.