Stereoscopic focal distance adjustment system for ar glasses

Abstract

The present utility model relates to a stereoscopic focal distance adjustment system for AR glasses, comprising a rotating component, an adjustment component and beam splitter rotating components; the rotating component is used for rotating clockwise or counterclockwise; the adjustment component comprises a central rotating member, a left rotating member and a right rotating member; the rotating component drives the central rotating member to rotate, and the central rotating member respectively drives, by means of micro drive members, the left rotating member and the right rotating member to synchronously and symmetrically rotate; and the left rotating member and the right rotating member are respectively connected to the beam splitter rotating components to drive the beam splitter rotating components to symmetrically rotate by an angle. The present utility model has the advantages of simple structure, convenient adjustment and implementation of binocular synchronized zoom display.

Description

Adjusting stereoscopic focal length system for AR glasses TECHNICAL FIELD

[0001] The utility model relates to AR technical field, concretely relates to an adjusting stereoscopic focal length system for AR glasses. BACKGROUND

[0002] VR glasses are virtual reality display devices that close people's vision and hearing to the outside world, guiding users to feel as if they are in a virtual environment. The display principle is that the left and right eye screens display left and right eye images respectively, and the human eye obtains such differential information to produce a stereoscopic effect in the brain

[0003] Current AR, MR glasses can only display at a close distance, cannot adjust the depth of field distance, cannot have a spatial three-dimensional effect, cannot converge with real-world people and objects, and cannot form a true AR, MR effect. That is, people's eyes can only see different objects at different distances and produce a real sense of distance and depth when the focal length is constantly changing. However, all current AR, MR glasses cannot allow people to see the images displayed by the glasses at the same focal length position when looking at real-world people and objects, and cannot adjust the stereoscopic focal length at will, not to mention the spatial stereoscopic effect. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an adjusting stereoscopic focal length system for AR glasses, which has the advantages of simple structure, convenient adjustment, and synchronous zoom display of both eyes.

[0005] To achieve the above purpose, the utility model is implemented by the following technical scheme: an adjusting stereoscopic focal length system for AR glasses, comprising,

[0006] A rotating assembly is used for clockwise or counterclockwise rotation.

[0007] An adjusting assembly comprises a central rotating member, a left rotating member, and a right rotating member. The rotating assembly drives the central rotating assembly to rotate. The central rotating assembly drives the left and right rotating members to rotate synchronously and symmetrically through micro transmission members.

[0008] A light splitting sheet rotating assembly is connected to the left and right rotating members respectively, and is used to drive the light splitting sheet rotating assembly to rotate symmetrically.

[0009] Preferably, the rotating assembly comprises a rotating knob and a rotating shaft. The rotating member is fixedly connected to the upper end center of the rotating shaft, and is used to drive the rotating shaft to rotate.

[0010] Preferably, the rotating knob is a circular knob, which is convenient for manual rotation.

[0011] Preferably, the edge of the circular knob is gear-shaped, increasing friction to improve the touch.

[0012] Preferably, the center rotating member adopts a center double pulley structure, the left rotating member and the right rotating member adopt a single pulley structure, the center rotating member is connected with the lower end center of the rotating shaft, one pulley groove of the center rotating member is connected with the left rotating member through a micro transmission member in a forward direction, and the other pulley groove of the center rotating member is connected with the right rotating member through a micro transmission member in a reverse direction.

[0013] Preferably, the micro transmission member adopts a micro transmission belt, one pulley groove of the center rotating member is connected with the left rotating member through the micro transmission belt in a forward direction, and the other pulley groove of the center rotating member is connected with the right rotating member through the micro transmission belt in a cross direction. One of the micro transmission belts is connected in a forward direction, and the other micro transmission belt is connected in an 8-shaped cross direction. When the center rotating member rotates, the left rotating member and the right rotating member on the two sides can be driven to rotate symmetrically.

[0014] Preferably, the light splitting sheet rotating assembly comprises a mounting shaft and a light splitting sheet, the mounting shaft is mounted at the center of the corresponding single pulley, the mounting shaft is provided with a slot, and the light splitting sheet is fastened to one side of the slot. The single pulley can drive the light splitting sheet on the mounting shaft to rotate in a forward direction or a reverse direction.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The center rotating assembly is adjusted through the rotating assembly. The rotating assembly drives the left rotating member and the right rotating member to rotate synchronously and symmetrically through the micro transmission member, so that the angle of the light splitting sheet is adjusted. The light splitting sheet can be adjusted in real time to the focusing distance that matches the depth of field, so that the stereoscopic image is completely superimposed on the attention target in the line of sight in the spatial direction and distance. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0018] Fig. 1 is a structural schematic diagram of the utility model;

[0019] Fig. 2 is another angle structural schematic diagram of the utility model;

[0020] Fig. 3 is a schematic diagram of binocular autonomous zooming of the utility model;

[0021] Fig. 4 is a dynamic schematic diagram of binocular autonomous zooming of the utility model.

[0022] In the figure: 1, rotating knob; 2, rotating shaft; 3, center rotating part; 4, left rotating part; 5, right rotating part; 6, light splitting plate; 7, mounting shaft; 8, micro transmission belt; 9, slot. DETAILED DESCRIPTION

[0023] The technical solutions in the multiple embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings 1-4 of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] A system for adjusting the stereoscopic focal length on AR glasses, comprising a rotating assembly, an adjusting assembly, and a light splitting plate rotating assembly, the rotating assembly is used for clockwise or counterclockwise rotation, the adjusting assembly comprises a center rotating part 3, a left rotating part 4, and a right rotating part 5, the rotating assembly drives the center rotating assembly to rotate, the center rotating assembly drives the left rotating part 4 and the right rotating part 5 to rotate synchronously and symmetrically through micro transmission parts, thereby driving the light splitting plate rotating assembly to rotate symmetrically by an angle.

[0025] In the embodiment, the rotating assembly comprises a rotating knob 1 and a rotating shaft 2, the rotating knob 1 is fixedly connected with the upper end center of the rotating shaft 2, the rotating knob 1 adopts a circular knob, which is convenient for manual rotation to drive the rotating shaft 2 to rotate, and the edge of the circular knob can be designed as a gear shape to increase the friction and improve the touch feeling.

[0026] In the embodiment, the center rotating part 3 adopts a center double pulley structure, the left rotating part 4 and the right rotating part 5 adopt a single pulley structure, the center rotating part 3 is connected with the lower end center of the rotating shaft 2, one pulley groove of the center rotating part 3 is connected with the left rotating part 4 through a micro transmission part in a forward direction, the micro transmission part adopts a micro transmission belt 8, the other pulley groove of the center rotating part 3 is connected with the right rotating part 5 through the micro transmission belt 8 in a cross connection. One of the micro transmission belts 8 is connected in a forward direction, and the other micro transmission belt 8 is connected in an 8-shaped cross connection, for example, when the center rotating part 3 rotates clockwise, the left rotating part 4 rotates clockwise, and the right rotating part 5 rotates counterclockwise, thereby realizing synchronous adjustment.

[0027] In the embodiment, the light splitting plate 6 rotating assembly comprises a mounting shaft 7 and a light splitting plate 6, the mounting shaft 7 is mounted at the center of the corresponding single pulley, the mounting shaft 7 is provided with a slot 9, and one side of the light splitting plate 6 is fastened in the slot 9. The single pulley can drive the light splitting plate 6 on the mounting shaft 7 to rotate by an angle in a forward or reverse direction.

[0028] Referring to FIG. 3, for one of the imaging scenarios of binocular autonomous zoom, referring to FIG. 4, for another changed scenario, when the rotating knob (A position) is rotated clockwise, the left light splitting plate 6 (B position) is also rotated clockwise, and the right light splitting plate 6 (B position) is rotated counterclockwise. After refraction by the light splitting plate 6, the left eye of a person sees the object moving to the right, and the right eye sees the object moving to the left. The two are superimposed to move closer to the middle, and the image viewed by the binoculars is finally superimposed on the same focal length as the object corresponding to the distance, so that the distance appears to be closer. Conversely, the rotating knob will rotate the distance to be far away.

[0029] It should be noted that, in this document, the terms such as first and second are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or device.

[0030] Although embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A system for adjusting stereoscopic focal length on AR glasses, characterized by: Comprising, Rotary assembly; The rotary assembly is used for clockwise or counterclockwise rotation; The adjusting assembly comprises a central rotating member, a left rotating member and a right rotating member, the rotary assembly drives the central rotating assembly to rotate, and the central rotating assembly drives the left rotating member and the right rotating member to synchronously and symmetrically rotate through micro transmission members respectively; The left rotating member and the right rotating member are respectively connected with a spectroscopic piece rotating assembly component, which is used to drive the spectroscopic piece rotating assembly to rotate symmetrically.

2. A system for adjusting stereoscopic focal length on AR glasses according to claim 1, characterized in that: The rotary assembly comprises a rotary knob and a rotary shaft, and the rotating member is fixedly connected with the center of the upper end of the rotary shaft.

3. A system for adjusting stereoscopic focal length on AR glasses as claimed in claim 2, wherein: The rotary knob is a circular knob.

4. A system for adjusting stereoscopic focal length on AR glasses as claimed in claim 3, wherein: The edge of the circular knob is a gear shape.

5. The system for adjusting stereoscopic focal length on AR glasses according to claim 1 or 2, characterized in that: The central rotating member adopts a central double pulley structure, the left rotating member and the right rotating member adopt a single pulley structure, the central rotating member is connected with the lower end center of the rotary shaft, one pulley groove of the central rotating member is connected with the left rotating member through a micro transmission member in a forward direction, and the other pulley groove of the central rotating member is connected with the right rotating member through a micro transmission member in a reverse direction.

6. A system for adjusting stereoscopic focal length on AR glasses as claimed in claim 5, wherein: The micro transmission member adopts a micro transmission belt, one pulley groove of the central rotating member is connected with the left rotating member through the micro transmission belt in a forward direction, and the other pulley groove of the central rotating member is connected with the right rotating member through the micro transmission belt in a cross direction.

7. The system for adjusting stereoscopic focal length on AR glasses according to claim 1 or 2, wherein: The spectroscopic piece rotating assembly comprises a mounting shaft and a spectroscopic piece, the mounting shaft is mounted in the center of the corresponding single pulley, a slot is arranged on the mounting shaft, and one side of the spectroscopic piece is fastened in the slot.

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