Human eye simulation optical measurement device and measurement method for AR / VR (Auto Register / Virtual Reality) glasses

Abstract

The invention relates to the technical field of optical measurement, in particular to a human eye simulation optical measurement device for AR / VR glasses, which comprises a placement bracket, a product to be detected, a detection camera and an industrial robot, one end, facing the to-be-detected product, of the detection camera is provided with a human eye imitating lens; the industrial robot drives the detection camera to move to a detection station, and the detection camera shoots an image of the to-be-detected product; the stability and the accuracy of the AR / VR glasses test system can be improved; optical measurement of the AR / VR glasses can be semi-automatically completed, and the production detection efficiency is improved; specifically, a human-eye-imitating lens is arranged, and the human-eye-imitating lens can obtain real visual pictures of human eyes, so that the measurement accuracy is improved; and the industrial robot is arranged at the rear end of the human-eye-imitating lens and drives the detection camera to rotate and move to simulate rotation of human eyes, so that measurement pictures at different angles are obtained, and the measurement accuracy is further improved.

Description

Technical Field

[0001] The present invention relates to the field of optical technology measurement, and in particular to a human eye-simulating optical measurement device and a measurement method for AR / VR glasses. Background Art

[0002] Existing AR / VR glasses are mainly composed of lenses, lens holders and display screens. The entire module forms a closed cavity, and the visual information is projected to a position close to the human eye through the display screen. After the human eye obtains this differentiated information, a three-dimensional sense is produced in the mind.

[0003] At present, the detection of AR / VR product screen defects mainly relies on machine vision detection technology. The entire detection process is completed with the assistance of a test camera. The test card is displayed on the screen, and the test camera shoots the test card. Finally, the type and location of the screen defect are obtained through software analysis. However, in the existing detection process, the test camera is mostly fixed and facing the AR / VR product, and the collected optical parameters deviate from the actual viewing effect of the human eye. Summary of the invention

[0004] Based on this, the object of the present invention is to provide a human eye-simulating optical measurement device and a measurement method for AR / VR glasses.

[0005] The present invention adopts the following technical solution:

[0006] A human eye-simulating optical measuring device for AR / VR glasses is used to detect a product to be tested. The human eye-simulating optical measuring device for AR / VR glasses comprises a placement bracket, a detection camera, and an industrial robot assembled and connected to one end of the detection camera; the placement bracket is used to place the product to be tested; the detection camera is provided with a human eye-simulating lens at one end facing the product to be tested; the detection camera captures an image of the product to be tested; the industrial robot is a six-axis robot, and the industrial robot drives the detection camera to rotate to simulate the rotation of the human eye.

[0007] Preferably, the industrial robot includes a rotating seat, a receiving seat rotatably connected to the rotating seat, a first swinging assembly drivingly connected to the receiving seat, a second swinging assembly rotatably connected to the first swinging assembly, a mechanical arm drivingly connected to the second swinging assembly, and an execution end rotatably connected to one end of the mechanical arm.

[0008] Preferably, the industrial robot is provided with a connecting piece at one end facing the product to be tested, the connecting piece comprises a connecting plate and a supporting plate which are vertically arranged to each other, the connecting plate is assembled and connected to the industrial robot, and the detection camera is arranged at the upper end of the supporting plate.

[0009] Preferably, the anthropomorphic eye lens is a pre-aperture lens.

[0010] Preferably, the placement bracket includes a fine-tuning platform and a placement plate fixed on the fine-tuning platform, and the product to be tested is placed on the placement plate.

[0011] Preferably, the upper end of the placement plate is provided with symmetrically distributed guide columns, and the guide columns are provided with clamping members that are slidably connected up and down, and the clamping members move downward to clamp the product to be tested.

[0012] Preferably, the fine-tuning platform includes a plane adjustment component and a pitch angle adjustment component that are assembled and connected.

[0013] Preferably, a control box is further included, wherein a controller is disposed inside the control box, and the controller is electrically connected to the industrial robot.

[0014] Preferably, a control button is provided on the side of the control box, and the control button is electrically connected to the controller; a supporting steel plate is provided at the upper end of the control box, and the placement bracket and the industrial robot are arranged on both sides of the upper end surface of the supporting steel plate.

[0015] A human eye-simulating optical measurement method for AR / VR glasses, based on the human eye-simulating optical measurement device for AR / VR glasses, comprises the following steps:

[0016] S1. The AR / VR glasses to be tested are placed on the bracket, the clamping piece is moved down to clamp the AR / VR glasses, and the test chart is displayed in the AR / VR glasses;

[0017] S2. The industrial robot drives the inspection camera to aim at the AR / VR glasses and shoot the test card to obtain the inspection image;

[0018] S3. The industrial robot drives the detection camera to rotate around the center of the AR / VR glasses to simulate the rotation of the human eye. During the rotation, the detection camera captures the test chart to obtain multiple detection images.

[0019] S4. The detection image obtained in the above step is transmitted to the processor, and the processor analyzes the optical parameters in the detection image through software.

[0020] The beneficial effects of the present invention are:

[0021] The human-eye-simulating optical measuring device and measuring method for AR / VR glasses involved in the present invention can improve the stability and accuracy of the AR / VR glasses testing system; and can semi-automatically complete the optical measurement of AR / VR glasses, thereby improving the production inspection efficiency; specifically, a human-eye-simulating lens is provided, which can obtain the real visual picture of the human eye and improve the measurement accuracy; and an industrial robot is provided at the rear end of the human-eye-simulating lens, which drives the inspection camera to rotate and move to simulate the rotation of the human eye, obtains the measurement pictures at different angles, and further improves the measurement accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the first overall structure of the human eye-simulating optical measurement device in the present invention;

[0023] Figure 2 It is a second overall structural schematic diagram of the human eye-simulating optical measurement device in the present invention;

[0024] Figure 3 The figure is a flow chart of the human eye-simulating optical measurement method of the present invention.

[0025] Numbers in the figure:

[0026] 1-placement bracket; 11-fine-tuning platform; 111-plane adjustment component; 112-pitch angle adjustment component; 12-placement plate; 13-guide column; 14-clamping piece;

[0027] 2-Product to be tested;

[0028] 3-Detection camera;

[0029] 4-industrial robot; 41-rotating seat; 42-receiving seat; 43-first swing assembly; 44-second swing assembly; 45-mechanical arm; 46-executing end;

[0030] 5- Humanoid eye lens;

[0031] 6-connecting piece; 61-connecting plate; 62-supporting plate;

[0032] 7-control box; 71-controller; 72-control button; 73-support steel plate DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] In the description of the present invention, it should be noted that the terms "vertical direction", "up", "down", "horizontal", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, "first", "second", "third", and "fourth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0035] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, it can be a mechanical connection, it can be an electrical connection, it can be a direct connection, it can be connected through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] like Figure 1 to Figure 2 As shown, the human-eye-simulating optical measurement device for AR / VR glasses of the present invention is used to measure the optical display effect of the product to be tested 2, and specifically includes a placement bracket 1, a detection camera 3, and an industrial robot 4 assembled and connected to one end of the detection camera 3; the placement bracket 1 is used to place the product to be tested 2; the detection camera 3 is provided with a human-eye-simulating lens 5 at one end facing the product to be tested 2; the detection camera 3 takes an image of the product to be tested 2 and performs optical measurement; wherein the industrial robot 4 is specifically a six-axis robot, which has more degrees of freedom and meets the needs of simulating the rotation of the human eye. A human-eye-simulating lens 5 is installed at one end of the detection camera 3 to simulate the vision of the human eye and obtain a larger and clearer field of view. At the same time, the industrial robot 4 drives the detection camera 3 to move, simulates the effect of the rotation of the human eye, simulates the measurement, and improves the accuracy of the optical measurement. In the present invention, the product to be tested 2 is AR glasses or VR glasses.

[0037] Furthermore, the industrial robot 4 is specifically a six-axis robot, and the industrial robot 4 includes a rotating seat 41, a receiving seat 42 rotatably connected to the rotating seat 41, a first swing assembly 43 drivingly connected to the receiving seat 42, a second swing assembly 44 rotatably connected to the first swing assembly 43, a mechanical arm 45 drivingly connected to the second swing assembly 44, and an execution end 46 rotatably connected to one end of the mechanical arm 45. The six-axis robot has sufficient degrees of freedom and can drive the detection camera 3 to any angle and position to better simulate the rotation of the human eye.

[0038] Furthermore, a connecting member 6 is provided at one end of the industrial robot 4 facing the product to be tested 2. The connecting member 6 includes a connecting plate 61 and a supporting plate 62 which are arranged perpendicular to each other. The connecting plate 61 is assembled and connected to the industrial robot 4, and the detection camera 3 is arranged and fixed on the upper end of the supporting plate 62.

[0039] Furthermore, common optical measurements mostly use industrial camera lenses or SLR camera lenses, and the diaphragm is built in the middle of the lens; while the humanoid eye lens 5 in the present invention is a lens with a front diaphragm, and the front diaphragm simulates the size of the human eye pupil (diameter 2-8mm), thereby simulating the human eye to obtain the largest and clearest field of view, thereby improving the accuracy of optical measurement.

[0040] Furthermore, the placement bracket 1 includes a fine-tuning platform 11 and a placement plate 12 fixed on the fine-tuning platform 11. The fine-tuning platform 11 is used to adjust the angle and position of the placement plate 12, and the placement plate 12 is used to place the product to be tested 2. Furthermore, symmetrically distributed guide columns 13 are provided at the upper end of the placement plate 12, and the guide columns 13 are provided with clamping members 14 that can slide up and down, and the clamping members 14 can clamp the product to be tested 2 when they move downward. The fine-tuning platform 11 includes a plane adjustment component 111 and a pitch angle adjustment component 112 that are assembled and connected. The plane adjustment component 111 drives the placement plate 12 to move along the X-axis and the Y-axis, and the pitch angle adjustment component 112 drives the placement plate 12 to adjust the pitch angle, so as to finally achieve the purpose of adjusting the position of the product to be tested 2.

[0041] Furthermore, the present invention also includes a control box 7, a controller 71 is provided inside the control box 7, the controller 71 is electrically connected to the industrial robot 4, and the controller 71 can control the movement of the industrial robot 4. At the same time, a control button 72 is provided on the side of the control box 7, and the control button 72 is electrically connected to the controller 71 for issuing instructions such as switching or emergency stop.

[0042] Furthermore, a supporting steel plate 73 is provided at the upper end of the control box 7 , and the placement bracket 1 and the industrial robot 4 are arranged on both sides of the upper end surface of the supporting steel plate 73 .

[0043] like Figure 3 As shown in the figure, the human eye-simulating optical measurement method for AR / VR glasses of the present invention is based on the human eye-simulating optical measurement device for AR / VR glasses, and includes the following steps:

[0044] S1. The AR / VR glasses to be tested are placed on the placement bracket 1, the clamping member 14 is moved down to clamp the AR / VR glasses, and the test chart is displayed in the AR / VR glasses;

[0045] S2. The industrial robot 4 drives the detection camera 3 to aim at the AR / VR glasses and shoot a test card to obtain a detection image;

[0046] S3. The industrial robot 4 drives the detection camera 3 to rotate around the center of the AR / VR glasses to simulate the rotation of the human eye. During the rotation, the detection camera shoots a test card to obtain multiple detection images;

[0047] S4. The detection image obtained in the above step is transmitted to the processor, and the processor analyzes the optical parameters in the detection image through software.

[0048] Compared with the prior art, the human-eye-simulating optical measurement device and method for AR / VR glasses involved in the present invention can improve the stability and accuracy of the AR / VR glasses testing system; and can semi-automatically complete the optical measurement of AR / VR glasses, thereby improving the production inspection efficiency; specifically, a human-eye-simulating lens is provided, which can obtain the real visual picture of the human eye and improve the measurement accuracy; and an industrial robot is provided at the rear end of the human-eye-simulating lens, which drives the inspection camera to rotate and move to simulate the rotation of the human eye, obtain measurement pictures at different angles, and further improve the measurement accuracy.

[0049] The above only expresses the preferred technical solution of the present invention, and its description is relatively specific and detailed, but it cannot be understood as limiting the scope of the invention patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, and the present invention is also intended to include these modifications and modifications.

Claims

1. A human eye-simulating optical measuring device for AR / VR glasses, used to detect products to be tested, characterized in that: The human eye-simulating optical measuring device for AR / VR glasses comprises a placement bracket, a detection camera, and an industrial robot assembled and connected to one end of the detection camera; the placement bracket is used to place the product to be tested; the detection camera is provided with a human eye-simulating lens at one end facing the product to be tested; the detection camera captures an image of the product to be tested; the industrial robot is a six-axis robot, and the industrial robot drives the detection camera to rotate to simulate the rotation of the human eye.

2. The human eye-simulating optical measurement device for AR / VR glasses according to claim 1, characterized in that: The industrial robot includes a rotating seat, a receiving seat rotatably connected to the rotating seat, a first swing component drivingly connected to the receiving seat, a second swing component rotatably connected to the first swing component, a mechanical arm drivingly connected to the second swing component, and an execution end rotatably connected to one end of the mechanical arm.

3. The human eye-simulating optical measurement device for AR / VR glasses according to claim 1, characterized in that: The industrial robot is provided with a connector at one end facing the product to be tested. The connector includes a connecting plate and a supporting plate which are vertically arranged to each other. The connecting plate is assembled and connected to the industrial robot. The detection camera is arranged at the upper end of the supporting plate.

4. The human eye-simulating optical measurement device for AR / VR glasses according to claim 1, characterized in that: The humanoid eye lens is a lens with a front aperture.

5. The human eye-simulating optical measurement device for AR / VR glasses according to claim 1, characterized in that: The placement bracket includes a fine-tuning platform and a placement plate fixed on the fine-tuning platform, and the product to be tested is placed on the placement plate.

6. The human eye-simulating optical measurement device for AR / VR glasses according to claim 5, characterized in that: The upper end of the placement plate is provided with symmetrically distributed guide columns, and the guide columns are provided with clamping members that are slidably connected up and down, and the clamping members move downward to clamp the product to be tested.

7. The human eye-simulating optical measurement device for AR / VR glasses according to claim 5, characterized in that: The fine-tuning platform comprises a plane adjustment component and a pitch angle adjustment component which are assembled and connected.

8. The human eye-simulating optical measurement device for AR / VR glasses according to claim 1, characterized in that: A control box is also included. A controller is arranged inside the control box. The controller is electrically connected to the industrial robot.

9. The human eye-simulating optical measurement device for AR / VR glasses according to claim 8, characterized in that: A control button is provided on the side of the control box, and the control button is electrically connected to the controller; a supporting steel plate is provided on the upper end of the control box, and the placement bracket and the industrial robot are arranged on both sides of the upper end surface of the supporting steel plate.

10. A human eye-simulating optical measurement method for AR / VR glasses, based on the human eye-simulating optical measurement device for AR / VR glasses according to claims 1-9, characterized in that: The human eye-simulating optical measurement method for AR / VR glasses comprises the following steps: S1. The AR / VR glasses to be tested are placed on the bracket, the clamping piece is moved down to clamp the AR / VR glasses, and the test chart is displayed in the AR / VR glasses; S2. The industrial robot drives the inspection camera to aim at the AR / VR glasses and shoot the test card to obtain the inspection image; S3. The industrial robot drives the detection camera to rotate around the center of the AR / VR glasses to simulate the rotation of the human eye. During the rotation, the detection camera captures the test chart to obtain multiple detection images. S4. The detection image obtained in the above step is transmitted to the processor, and the processor analyzes the optical parameters in the detection image through software.

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