CN212586631U

CN212586631U - DMD light path adjusting device

Info

Publication number: CN212586631U
Application number: CN202021756584.2U
Authority: CN
Inventors: 裴少伟; 郭克威
Original assignee: Cfg Barco Beijing Electronics Co ltd
Current assignee: Cfg Barco Beijing Electronics Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-02-23
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses technical scheme provides a DMD light path adjusting device through with the cantilever, put the platform, first revolving stage, first supporting legs, flexible platform, second revolving stage, second supporting legs, first slip table, third supporting legs, second slip table, third revolving stage, third slip table and base connection, can constitute an optical adjustment tool that is applicable to the light path between adjustment DMD chip and the prism. The utility model has the advantages that through the light path adjusting device who makes up into an degree of freedom that has the multidimension degree with the optical adjustment tool, the equipment is simple with low costs and can rotate in a flexible way, and this device is connected with DMD chip subassembly for the DMD chip can be in a flexible way removed at the optical prism back, thereby realizes the correction of light path in optical engine's DMD and prism.

Description

DMD light path adjusting device

Technical Field

The utility model relates to a DMD light path adjusting device.

Background

In the prior art, a special optical path adjusting device is adopted to make the relative position relationship between the DMD chip in the optical engine and the optical path in the prism opposite. Although the purpose of adjusting the relative position relationship between the two devices can be well achieved by the existing special optical path adjusting device, the problem to be solved urgently is how to provide an optical path adjusting device with simple process structure and low cost because the devices have complex process structure and high cost.

SUMMERY OF THE UTILITY MODEL

The utility model provides a DMD light path adjusting device for realize adjusting well of light path in DMD chip and the prism among the optical engine, this kind of tool low cost easily operates the flexibility high.

In order to achieve the above object, the utility model provides a DMD light path adjusting device, include: optical prism, DMD chip subassembly, cantilever, pendulum platform, first revolving stage, first supporting legs, flexible platform, second revolving stage, second supporting legs, first slip table, third supporting legs, second slip table, third revolving stage, third slip table and base. Optical prism contacts with DMD chip module, cantilever one end is connected with DMD chip module through the nut, the cantilever other end is fixed on setting a table, set a table bottom and be connected with the carousel of first revolving stage, first revolving stage and first supporting legs fixed connection, first supporting legs and flexible platform fixed connection, flexible platform is installed on the carousel of second revolving stage, second revolving stage and second supporting legs fixed connection, the base of second supporting legs and the slide fixed connection of first slip table, first slip table and third supporting legs fixed connection, the base of third supporting legs is connected with the slide of second slip table, the second slip table is installed on the carousel of third revolving stage, the third revolving stage is connected with the slide of third slip table, the third slip table is fixed on the base.

Preferably, in the above-described aspect, the fixing pins of the DMD chip module are in contact with the back surface of the optical prism.

Preferably, in the above technical solution, the suspension arm is fixed to the DMD chip set, and the suspension arm and the swing table rotate with rotation of the turntable of the first rotating table.

Preferably, in the above aspect, the swing table, the base of the first rotating table, and the first support leg are moved according to a change in the extension length of the extension table.

Preferably, in the above technical solution, the retractable table is linked with a turntable of the second rotating table, and the base of the second rotating table is linked with the slide of the first sliding table.

Preferably, when the sliding seat of the second sliding table slides, the third supporting leg and the base of the first sliding table are linked with the sliding seat of the second sliding table.

Preferably, when the turntable of the third rotating table rotates, the base of the second sliding table is linked with the turntable of the third rotating table.

Preferably, in the above technical solution, a base of the third rotating table is linked to a slide of the third slide table.

Preferably, as a preferred mode of the above technical solution, the DMD chip module is interlocked with the first rotating table and/or the telescopic table and/or the second rotating table and/or the first sliding table and/or the second sliding table and/or the third rotating table and/or the third sliding table.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description will be given below of the drawings required to be used in the description of the embodiments or the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the light path adjusting device provided in the technical solution of the present invention.

Fig. 2 is an exploded view of the optical path adjusting device 3 according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is right now that the utility model discloses the structure explains, fig. 1 is the utility model discloses the structure schematic diagram that the embodiment provided, as shown in fig. 1 including: optical prism 1, DMD chip module 2 and optical path adjusting device 3. Further, as shown in fig. 2, the optical path adjustment device 3 includes: the device comprises a cantilever a, a swing table b, a first rotating table c, a first supporting foot d, a telescopic table e, a second rotating table f, a second supporting foot g, a first sliding table h, a third supporting foot i, a second sliding table j, a third rotating table k, a third sliding table m and a base n. Specifically, the directions or positional relationships indicated by "up, down, left, right" and the like in the following description are based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the aspects of the present invention, and do not indicate or imply that the indicated device or element must have a specific direction configuration and operation, and thus, should not be construed as limiting the present invention.

First, as shown in fig. 1, the fixing pin 21 of the DMD chip assembly 2 contacts with and is parallel to the back surface of the optical prism 1, and the fixing pin 21 is a smooth medium, so as to realize that the DMD chip can move smoothly on the back surface of the optical prism 1 during the optical path adjustment process. The back surface of the DMD chip component 2 is fixedly connected with the light path adjusting device 3 through screws and nuts.

Further, the optical path adjusting apparatus 3 shown in fig. 2 is connected as follows:

one end of the cantilever a is connected with the back surface of the DMD chip component 2 through a nut, the other end of the cantilever a is fixed on a swing table b through a nut, and the bottom of the swing table b is connected with a turntable of the first rotating table c. When the turntable of the first rotating platform c rotates, the swing platform b and the cantilever a rotate synchronously, and the cantilever a drives the DMD chip assembly 2 to rotate.

Further, a base n of the first rotating platform c is fixed on a supporting surface of the first supporting leg d through a nut, and the base n of the first supporting leg d is connected with a telescopic disc of the telescopic platform e. When the retractable disc is extended or retracted, the first support leg d moves along with the change of the position of the retractable disc, and further the first rotating table c moves along with the movement of the first support leg d.

Further, the base n of the retractable table e is fixed to the turntable of the second turntable f, and when the turntable rotates, the retractable table e rotates, so that the first support leg d also rotates.

Further, a base n of the second rotating platform f is fixed on a supporting surface of the second supporting leg g, and the base n of the second supporting leg g is fixedly connected with the sliding seat of the first sliding table h. When the slide table slides up and down, the second support leg g and a plurality of components connected thereto, such as the second rotary table f, the telescopic table e, the swing table b, and the cantilever a, also move up and down, so that the DMD chip set moves up and down on the back surface of the optical prism 1.

Further, a base n of the first sliding table h and a supporting surface of the third supporting leg i are fixed through a nut, and the base n of the third supporting leg i is fixed on a sliding seat of the second sliding table j. When the sliding seat of the second sliding table j moves back and forth, the third supporting leg i moves along with the sliding seat, and the first sliding table h fixed on the third supporting leg i also moves back and forth along with the sliding seat. Further, referring to the connection relationship of the above components, the base n of the first sliding table h is linked with the sliding seat of the second sliding table j, and the further DMD chip component 2 can approach/depart from the optical prism 1.

Further, the base n of the second sliding table j is arranged on the turntable of the third rotating table k, and the base n of the third rotating table k is connected with the sliding seat of the third sliding table m. When the turntable of the third rotating platform k rotates, the base n of the second sliding platform j rotates to drive the second sliding platform j to rotate, and according to the connection relation, the third supporting leg i also rotates along with the rotation of the turntable of the third rotating platform k, so that the cantilever a can be driven to rotate, and finally, the included angle between the DMD chip component 2 and the back surface of the optical prism 1 can be changed in the process of adjusting the light path. When the slide carriage of the third sliding table m moves left and right, the base n of the third rotating table k moves along with the slide carriage, and according to the structure, the second sliding table j moves along with the slide carriage, and further the third supporting leg i, the first sliding table h, the second rotating table f, the telescopic table e, the first supporting leg d, the first rotating table c, the swing table b and the cantilever a move together, so that the movement of the DMD chip assembly 2 is realized.

And finally, fixing the third sliding table m on a base n, wherein the base n is used for supporting the cantilever a, the swing table b, the first rotating table c, the first supporting foot d, the telescopic table e, the second rotating table f, the second supporting foot g, the first sliding table h, the third supporting foot i, the second sliding table j, the third rotating table k and the third sliding table m. Furthermore, the base n may also be a regular triangle cone to increase the supporting area.

According to the technical scheme, the DMD chip component 2 can follow the following steps: the rotation/expansion/movement of any one or more of the first rotary table c, the expansion table e, the second rotary table f, the first sliding table h, the second sliding table j, the third rotary table k and the third sliding table m is/are operated, so that the relative position between the DMD chip jig and the back surface of the optical prism 1 is adjusted, and the purpose of adjusting the optical path is finally achieved.

The utility model provides a light path adjusting device adopts existing optical tool (multiple tool such as each slip table, pendulum platform b, revolving stage) to realize adjusting well of light path in DMD chip and the prism among the optical engine, this light path adjusting device low cost, and the adjustment precision is high (can reach the nanometer level the highest), and angle of adjustment is nimble.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A DMD optical path adjusting device, comprising: the device comprises an optical prism, a DMD chip assembly, a cantilever, a placing table, a first rotating table, a first supporting leg, a telescopic table, a second rotating table, a second supporting leg, a first sliding table, a third supporting leg, a second sliding table, a third rotating table, a third sliding table and a base;

the optical prism is contacted with the DMD chip component, one end of the cantilever is connected with the DMD chip component through a nut, the other end of the cantilever is fixed on the swing table, the bottom of the swing table is connected with the turntable of the first rotating table, the first rotating platform is fixedly connected with a first supporting leg, the first supporting leg is fixedly connected with the telescopic platform, the telescopic table is arranged on a turntable of the second rotating table, the second rotating table is fixedly connected with the second supporting legs, the base of the second supporting leg is fixedly connected with the sliding seat of the first sliding table, the first sliding table is fixedly connected with the third supporting leg, the base of the third supporting foot is connected with the sliding seat of the second sliding table, the second sliding table is arranged on the turntable of the third rotating table, the third rotating table is connected with a sliding seat of the third sliding table, and the third sliding table is fixed on the base.

2. The DMD optical path adjusting device according to claim 1, comprising: and the fixing feet of the DMD chip component are contacted with the back surface of the optical prism.

3. The DMD optical path adjusting device according to claim 2, wherein the suspension arm and the DMD chip set are fixed, and the suspension arm and the swing stage rotate with rotation of the turntable of the first rotating stage.

4. The DMD optical path adjusting device according to claim 2, wherein the swing table, the first rotating table, and the first support leg move according to a change in an expansion length of the expansion table.

5. The DMD light path adjusting device according to claim 2, wherein the retractable stage is linked to a turntable of the second rotary stage, and a base of the second rotary stage is linked to the slide of the first slide stage.

6. The DMD light path adjusting device of claim 2, wherein when the sliding seat of the second sliding table slides, the third supporting leg and the base of the first sliding table are linked with the sliding seat of the second sliding table.

7. The DMD light path adjusting device according to claim 2, wherein when the turntable of the third rotary stage rotates, the base of the second slide stage is linked therewith.

8. The DMD light path adjusting device according to claim 2, wherein a base of the third rotary stage is linked with a slide of the third slide table.

9. The DMD optical path adjusting device according to any one of claims 1 to 8, wherein the DMD chip assembly is interlocked with the first rotary stage and/or the telescopic stage and/or the second rotary stage and/or the first sliding stage and/or the second sliding stage and/or the third rotary stage and/or the third sliding stage.