CN116183176A - AR/VR glasses detection device based on turn light path - Google Patents
AR/VR glasses detection device based on turn light path Download PDFInfo
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- CN116183176A CN116183176A CN202310052266.XA CN202310052266A CN116183176A CN 116183176 A CN116183176 A CN 116183176A CN 202310052266 A CN202310052266 A CN 202310052266A CN 116183176 A CN116183176 A CN 116183176A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/0207—Details of measuring devices
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Abstract
The invention discloses an AR/VR glasses detection device based on a turning light path, which comprises a base, a spherical dome, a turning cantilever and a plurality of groups of imaging single modules, wherein the base is provided with a plurality of imaging single modules; the spherical dome is arranged on the base, a plurality of groups of round holes are uniformly formed in the spherical dome, and the plurality of groups of imaging single modules are zoom imaging single modules or fixed focus imaging single modules which are the same as the spherical dome in spherical center distance and are detachably arranged at the round holes of the spherical dome; one end of the turning cantilever is provided with a reflector and a diaphragm, and imaging light rays are reflected to a plurality of groups of imaging single modules from the diaphragm through the reflector to form equidistant light rays. The invention provides an AR/VR glasses detection device based on turning light paths, which has a compact structure and is suitable for detecting AR/VR glasses in different application scenes by combining a plurality of imaging single modules.
Description
Technical Field
The invention relates to the technical field of optical detection, in particular to an AR/VR glasses detection device based on a turning light path.
Background
With the rapid development of AR/VR technology, the method has great application prospect in the military industry, the medical industry, the industrial detection industry and even the entertainment industry. Therefore, higher requirements are also put forward on AR/VR glasses detection equipment, and accurate, high-speed and effective detection of the glasses performance is required; the measuring equipment is required to be capable of adapting to detection requirements of different products and different angles.
The chinese patent with patent number CN202220572801 discloses an automatic alignment detection device for VR/AR equipment, which can automatically correct the spatial position of a detection instrument according to the spatial position of VR/AR equipment to be detected, but the device cannot select a proper imaging module according to an actual use scene, for example, detect AR/VR glasses developed for users with normal vision and AR/VR glasses developed for users with far vision or near vision, and cannot realize the detection effect under different angles of view, and meanwhile, the device is large in volume and not compact in structure.
Disclosure of Invention
The invention aims to: the invention aims to provide an AR/VR glasses detection device based on turning light paths, which has a compact structure and is suitable for detecting AR/VR glasses in different application scenes by combining a plurality of groups of imaging single modules.
The technical scheme is as follows: in order to achieve the purpose, the AR/VR glasses detection device based on the turning light path comprises a base, a spherical dome, a turning cantilever and a plurality of groups of imaging single modules;
the spherical dome is arranged on the base, a plurality of groups of round holes are uniformly formed in the spherical dome, and the plurality of groups of imaging single modules are zoom imaging single modules or fixed focus imaging single modules which are the same as the spherical dome in spherical center distance and are detachably arranged at the round holes of the spherical dome;
one end of the turning cantilever is provided with a reflector and a diaphragm, and imaging light rays are reflected to a plurality of groups of imaging single modules from the diaphragm through the reflector to form equidistant light rays.
The turning cantilever is provided with a five-dimensional adjusting mechanism for adjusting the distance and angle between the reflecting mirror and the imaging single module.
The zoom imaging single module comprises a ball screw, a zoom lens assembly and a first camera, wherein a first mounting plate for mounting the zoom lens assembly is arranged at one end of the ball screw, an imaging assembly of the first camera is mounted on one side, close to the first mounting plate, of the ball screw, and an electrical component of the first camera is mounted above a rail on the other side of the ball screw through a first bracket.
Wherein, first mounting panel upper end is equipped with the first guiding hole of fine setting about with the zoom lens subassembly, and the middle part is equipped with and zoom lens subassembly rear end mount pad complex centre bore, and the mount pad upper end is equipped with the screw hole, and the bolt passes the screw hole on the first guiding hole lock advances zoom lens subassembly rear end mount pad to install the zoom lens subassembly on first mounting panel, fine setting zoom lens subassembly about through the elasticity bolt.
The imaging component of the first camera is arranged on the ball screw through the multidimensional adjusting plate, and the imaging component of the first camera and the off-axis relative position of the zoom lens component are enabled to be within 0.03mm through fine adjustment of the bolt tightness and the multidimensional adjusting plate in the first guide hole, and the inclination angle is within 3 degrees, so that a better imaging effect is achieved.
The zoom lens assembly comprises a zoom front lens barrel and a zoom rear lens barrel which are screwed together through threads, and a circle of cylindrical magnet is arranged in front of the lens of the zoom lens assembly and used for magnetically adsorbing and adding lenses.
The zoom lens component is sleeved with a pair of inclination adjusting rings, and when the zoom imaging single module is installed on the spherical dome, the inclination angle of the zoom imaging single module relative to the diaphragm is adjusted by rotating the inclination adjusting rings.
The fixed-focus imaging single module comprises an XY double-shaft adjusting platform, a fixed-focus lens assembly and a second camera, wherein a second mounting plate for mounting the fixed-focus lens assembly is arranged at one end of the XY double-shaft adjusting platform, the imaging assembly of the second camera is mounted on one side, close to the second mounting plate, of the XY double-shaft adjusting platform, and the electrical assembly of the second camera is mounted above the other side of the XY double-shaft adjusting platform through a second bracket.
Wherein, the second mounting panel upper end is equipped with the second guiding hole of fine setting about the fixed focus lens subassembly, and the middle part is equipped with and decides burnt lens subassembly rear end mount pad complex second centre bore, and fixed focus lens subassembly rear end mount pad upper end is equipped with the screw hole, and the screw hole on the fixed focus lens subassembly rear end mount pad of second direction Kong Suojin is passed to the bolt to install fixed focus lens subassembly on the second mounting panel.
The fixed focus lens assembly comprises a fixed focus front lens barrel and a fixed focus rear lens barrel which are connected in a screwed mode, and a circle of cylindrical magnet is arranged in front of the lens of the fixed focus lens assembly and used for magnetically adsorbing and adding lenses.
The beneficial effects are that: the invention has the following advantages: 1. the imaging single module is a zooming imaging single module or a fixed focus imaging single module, is detachably arranged at the round hole of the spherical dome, and is convenient for a user to select a proper imaging module according to actual detection scenes, such as detection of AR/VR glasses researched and developed for normal vision users and AR/VR glasses researched and developed for users with far vision or near vision, so as to realize detection under different angles of view;
2. the lower end of the turning cantilever is provided with a reflecting mirror, imaging light rays are reflected to a plurality of groups of imaging single modules, so that the light path is folded, the occupied space of the light path is saved, and the structure of the device is more compact;
3. the front lens barrel and the rear lens barrel are screwed through the threads, so that the air interval between the optical lenses in the front lens barrel and the rear lens barrel is adjusted, meanwhile, the front lens barrel is provided with a circle of cylindrical magnet, a user can conveniently magnetically attract and install additional lenses in the process of debugging the device, such as magnetically attracting optical filters with different transmittances, and the device is convenient to operate and high in coordination degree.
Drawings
FIG. 1 is a schematic diagram of the structure of the device of the present invention;
FIG. 2 is a schematic diagram of a zoom imaging single module structure;
FIG. 3 is a schematic view of a fixed focus imaging single module structure;
fig. 4 is a schematic diagram of an assembly structure of the zoom lens assembly and the first mounting plate.
Detailed Description
The technical scheme of the present invention will be described in detail with reference to the following examples and the accompanying drawings.
As shown in FIG. 1, the AR/VR glasses detection device based on the turning light path comprises a base 1, a spherical dome 2, a turning cantilever 3 and a plurality of groups of imaging single modules 4.
The spherical dome 2 is arranged on the base 1, a plurality of groups of round holes are uniformly formed in the spherical dome 2, a plurality of groups of imaging single modules 4 are zoom imaging single modules or fixed focus imaging single modules, the distance between the imaging single modules and the center of the spherical dome 2 is the same, the imaging single modules are detachably arranged at the round holes of the spherical dome 2, a user can conveniently select proper imaging modules according to actual use scenes, and detection under different angles of view is realized; the spherical dome 2 in this embodiment can be provided with 11 sets of imaging modules 4.
One end of the turning cantilever 3 is provided with a reflecting mirror 31 and a diaphragm 32, the AR/VR glasses to be measured are placed below the diaphragm 32, light rays of the light source penetrate through the AR/VR glasses to be measured, and the light rays are reflected from the diaphragm 32 to the plurality of groups of imaging single modules 4 through the reflecting mirror 31 to be equidistant light rays. In this embodiment, the turning cantilever 3 is an L-shaped right-angle structure, one end of the turning cantilever is mounted at the upper end of the spherical dome 2, the other end of the turning cantilever is provided with a reflecting mirror 31 and a diaphragm 32, the diaphragm 32 is arranged below the reflecting mirror 31, and the glasses to be AR/VR are arranged below the diaphragm 32.
In this embodiment, the base 1 not only supports the spherical dome 2, but also deflects the spherical dome 2 by 76 ° from the horizontal state, and in cooperation with the deflection angle of the reflecting mirror 31, the imaging light is reflected to the plurality of groups of imaging single modules 4 through the diaphragm 32 via the reflecting mirror 31.
Wherein, the turning cantilever 3 is provided with a five-dimensional adjusting mechanism for adjusting the position and the deflection angle of the reflecting mirror 31 in five dimensions.
As shown in fig. 2, the zoom imaging single module comprises a ball screw 411, a zoom lens assembly 412 and a first camera 413, wherein one end of the ball screw 411 is provided with a first mounting plate 414 for mounting the zoom lens assembly 412, an imaging assembly of the first camera 413 is mounted on one side, close to the first mounting plate 415, of the ball screw 411, and an electrical assembly of the first camera 413 is mounted above a track on the other side of the ball screw 411 through a first bracket 415.
The total stroke of the ball screw 411 is 100mm, the positioning accuracy in the whole stroke is 0.01mm, the repeated positioning accuracy is 0.005mm at the maximum, and the runout accuracy in the running process is 0.005mm at the maximum.
The upper end of the first mounting plate 414 is provided with a first guide hole 4141 for fine-tuning the zoom lens assembly 412 up and down, the middle part is provided with a central hole 4142 matched with a rear end mounting seat 4121 of the zoom lens assembly 412, the upper end of the mounting seat 4121 is provided with a threaded hole 4122, and a bolt passes through the first guide hole 4141 and is locked into the threaded hole 4122 on the rear end mounting seat 4121 of the zoom lens assembly 412, so that the zoom lens assembly 412 is mounted on the first mounting plate 414, and the zoom lens assembly 412 is fine-tuned up and down through an elastic bolt.
The imaging component of the first camera 413 is mounted on the ball screw 411 through a multidimensional adjusting plate, and the off-axis relative position of the imaging component of the first camera 413 and the zoom lens component 412 is within 0.03mm and the inclination angle is within 3 degrees by fine-adjusting the bolt tightness and the multidimensional adjusting plate in the first guide hole 4141, so that a better imaging effect is achieved.
The zoom lens assembly 412 is sleeved with a pair of tilt adjustment rings 416, and when the zoom imaging single module is mounted on the spherical dome 42, the tilt angle of the zoom imaging single module relative to the diaphragm 32 is adjusted by rotating the tilt adjustment rings 416 so that the object planes of all the zoom imaging single modules coincide.
As shown in fig. 3, the fixed focus imaging single module comprises an XY biaxial adjustment platform 421, a fixed focus lens assembly 422, a second camera 423, wherein a second mounting plate 424 for mounting the fixed focus lens assembly 422 is arranged at one end of the XY biaxial adjustment platform 421, an imaging assembly of the second camera 423 is mounted on one side of the XY biaxial adjustment platform 421 close to the second mounting plate 424, and an electrical assembly of the second camera 423 is mounted above the other side of the XY biaxial adjustment platform 421 through a second bracket 425.
The second mounting plate 424 has the same structure as the first mounting plate 414, and the upper end of the second mounting plate is also provided with a second guide hole 4241 for fine-tuning the fixed focus lens assembly 422 up and down, and the fixed focus lens assembly 422 can be fine-tuned up and down by tightening bolts in the second guide hole 4241.
The imaging zoom lens assembly 412 and the fixed focus lens assembly 422 of the device both comprise a front lens barrel and a rear lens barrel, and consist of 8 groups of optical lenses, wherein three groups are double cemented lenses; the front lens barrel and the rear lens barrel are screwed through threads, so that the air interval between the optical lenses in the front lens barrel and the rear lens barrel is adjusted, and meanwhile, the front lens barrel is provided with a circle of cylindrical magnet in front, so that a user can magnetically attract and install additional lenses in the process of debugging the device, such as magnetically attracting optical filters with different transmittances, and the device is convenient to operate and high in coordination degree. The rear end of the rear barrel also reserves a space for adjusting the positional relationship between the lens and the camera.
The first camera 413 and the second camera 423 are industrial cameras, the pixel size of the imaging component is 2.7 μm×2.7 μm, the imaging component and the electrical component are installed separately, and only the imaging component of the camera moves during debugging, and the circuit control part is arranged at the tail end of the module, so that the moving load is reduced, and the movement of the imaging component is more stable.
The main difference between the zoom imaging single module and the fixed focus imaging single module is that the fixed focus imaging single module replaces the ball screw 411 in the zoom imaging single module with the XY biaxial adjustment platform 421.
In the debugging process of the zoom imaging single module, the motor drives the imaging component of the first camera 413 to move on the ball screw 411, and simultaneously, the zoom lens component 412 is finely adjusted up and down by tightening the bolt in the first guide hole 4141 until the center of the zoom lens component 412 almost coincides with the center of the phase surface of the imaging component of the first camera 413. The first camera 413 imaging assembly will move back and forth on the ball screw 411 during testing, selecting 5 fixed working positions.
In the debugging process, the fixed focus imaging single module manually adjusts the XY double-shaft adjusting platform 421 to drive the imaging component of the second camera 423 to move relative to the fixed focus lens component 422, and simultaneously, the fixed focus lens component 422 is finely adjusted up and down by tightening bolts in the second guide holes 4241 until the center of the fixed focus lens component 422 almost coincides with the center of the phase surface of the imaging component of the second camera 423, and the position of the XY double-shaft adjusting platform 421 is locked after the debugging is completed, so that the working position of the imaging component of the second camera 423 is always unchanged.
The zoom imaging single module and the fixed focus imaging single module shoot images of light passing through the AR/VR glasses at the working positions of the zoom imaging single module and the fixed focus imaging single module, the images are transmitted to the user side, and the user side judges the quality of the AR/VR glasses according to parameters such as a modulation transfer function and brightness uniformity of the pictures. The fixed focus imaging single module is suitable for detecting AR/VR glasses developed for users with normal eyesight, and the zooming imaging single module is suitable for detecting AR/VR glasses developed for users with hyperopia or myopia.
The device is provided with an electric cabinet and comprises a controller for controlling the movement of the XY double-shaft adjusting platform 421, and the first camera 413 and the second camera 423 work.
Claims (10)
1. An AR/VR glasses detection device based on a turning light path is characterized by comprising a base (1), a spherical dome (2), a turning cantilever (3) and a plurality of groups of imaging single modules (4);
the spherical dome (2) is arranged on the base (1), a plurality of groups of round holes are uniformly formed in the spherical dome (2), a plurality of groups of imaging single modules (4) are zoom imaging single modules or fixed focus imaging single modules, the distance between the spherical single modules and the center of the spherical dome (2) is the same, and the spherical single modules and the fixed focus imaging single modules are detachably arranged at the round holes of the spherical dome (2);
one end of the turning cantilever (3) is provided with a reflecting mirror (31) and a diaphragm (32), and imaging light is reflected from the diaphragm (32) to a plurality of groups of imaging single modules (4) through the reflecting mirror (31) to form equidistant light.
2. The AR/VR glasses detection device based on a turning light path according to claim 1, wherein a five-dimensional adjusting mechanism is provided on the turning cantilever (3) for adjusting the distance and angle between the reflecting mirror (31) and the imaging single module (4).
3. The AR/VR glasses detection apparatus based on a turning optical path according to claim 1, wherein the zoom imaging single module includes a ball screw (411), a zoom lens assembly (412), and a first camera (413), one end of the ball screw (411) is provided with a first mounting plate (414) for mounting the zoom lens assembly (412), the imaging assembly of the first camera (413) is mounted on one side of the ball screw (411) near the first mounting plate (414), and the electrical assembly of the first camera (413) is mounted above the track on the other side of the ball screw (411) through a first bracket (415).
4. The AR/VR glasses detection apparatus based on a turning optical path according to claim 3, wherein a first guide hole (4141) for fine-tuning the zoom lens assembly (412) up and down is provided at an upper end of the first mounting plate (414), a center hole (4142) for mating with a rear end mounting seat (4121) of the zoom lens assembly (412) is provided at a middle portion, a threaded hole (4122) is provided at an upper end of the mounting seat (4121), and a bolt is locked into the threaded hole (4122) of the rear end mounting seat (4121) of the zoom lens assembly (412) through the first guide hole (4141), thereby mounting the zoom lens assembly (412) on the first mounting plate (414), and fine-tuning the zoom lens assembly (412) up and down through a tightening bolt.
5. The apparatus according to claim 3 or 4, wherein the imaging component of the first camera (413) is mounted on the ball screw (411) by a multi-dimensional adjusting plate, and the off-axis relative position of the imaging component of the first camera (413) and the zoom lens component (412) is within 0.03mm and the tilt angle is within 3 ° by fine tuning the bolt tightness and the multi-dimensional adjusting plate in the first guide hole (4141).
6. The AR/VR glasses detection device based on a turning optical path according to claim 3, wherein the zoom lens assembly (412) comprises a front zoom lens barrel and a rear zoom lens barrel screwed together by threads, and a circle of cylindrical magnet is arranged in front of the lens of the zoom lens assembly (412) for magnetically attracting the lenses.
7. The AR/VR glasses detection device based on the turning optical path of claim 3, wherein the zoom lens assembly (412) is sleeved with a pair of tilt adjusting rings (416), and when the zoom imaging single module is mounted on the spherical dome (2), the tilt angle of the zoom imaging single module relative to the diaphragm (32) is adjusted by rotating the tilt adjusting rings (416).
8. The AR/VR glasses detection apparatus based on a turning optical path according to claim 1, wherein the fixed focus imaging single module includes an XY biaxial adjustment platform (421), a fixed focus lens assembly (422), and a second camera (423), one end of the XY biaxial adjustment platform (421) is provided with a second mounting plate (424) for mounting the fixed focus lens assembly (422), an imaging assembly of the second camera (423) is mounted on one side of the XY biaxial adjustment platform (421) near the second mounting plate (424), and an electrical assembly of the second camera (423) is mounted above the other side of the XY biaxial adjustment platform (421) through a second bracket (425).
9. The AR/VR glasses detection apparatus based on a turning optical path according to claim 8, wherein a second guiding hole (4241) for fine tuning the fixed focus lens assembly (422) up and down is provided at an upper end of the second mounting plate (424), a second center hole matched with a rear end mounting seat of the fixed focus lens assembly (422) is provided at a middle part, a threaded hole is provided at an upper end of the rear end mounting seat of the fixed focus lens assembly (422), and a bolt passes through the second guiding hole (4241) to lock into the threaded hole on the rear end mounting seat of the fixed focus lens assembly (422), thereby mounting the fixed focus lens assembly (422) on the second mounting plate (424).
10. The AR/VR glasses detection device based on the turning optical path according to claim 8, wherein the fixed focus lens assembly (422) comprises a fixed focus front lens barrel and a fixed focus rear lens barrel screwed together by threads, and a circle of cylindrical magnet is arranged in front of the fixed focus lens assembly (422) lens for magnetically adsorbing and adding the lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202310052266.XA CN116183176A (en) | 2023-02-02 | 2023-02-02 | AR/VR glasses detection device based on turn light path |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310052266.XA CN116183176A (en) | 2023-02-02 | 2023-02-02 | AR/VR glasses detection device based on turn light path |
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| CN116183176A true CN116183176A (en) | 2023-05-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116929725A (en) * | 2023-09-19 | 2023-10-24 | 山东中创文化创意产业集团有限公司 | VR glasses vision simulation detecting system |
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2023
- 2023-02-02 CN CN202310052266.XA patent/CN116183176A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116929725A (en) * | 2023-09-19 | 2023-10-24 | 山东中创文化创意产业集团有限公司 | VR glasses vision simulation detecting system |
| CN116929725B (en) * | 2023-09-19 | 2023-11-21 | 山东中创文化创意产业集团有限公司 | VR glasses vision simulation detecting system |
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