CN205809423U - A kind of virtual reality device - Google Patents
A kind of virtual reality device Download PDFInfo
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- CN205809423U CN205809423U CN201620667384.7U CN201620667384U CN205809423U CN 205809423 U CN205809423 U CN 205809423U CN 201620667384 U CN201620667384 U CN 201620667384U CN 205809423 U CN205809423 U CN 205809423U
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- biconvex positive
- negative meniscus
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Abstract
This utility model provides a kind of virtual reality device, including optical system, described optical system includes left eyeglass and right eyeglass, described left eyeglass includes coaxial mounted first negative meniscus and the first biconvex positive lens being arranged in order from light to human eye direction, and described right eyeglass includes coaxial mounted second negative meniscus and the second biconvex positive lens being arranged in order from light direction.This utility model forms eyeglass by compound lens, it is possible to be effectively reduced dispersion and image deformation degree, reduces dispersion and the distortion of edge imaging the most dramatically.
Description
Technical field
This utility model relates to technical field of virtual reality, more particularly, it relates to a kind of virtual reality device.
Background technology
The eyepiece being applied to virtual reality device in the market is usually the convex lens of plastic material, and focal length is the shortest, then
Visual range is the biggest, and equipment is the compactest, and the feeling of immersion brought to user is the best, but the edge image thus brought is fuzzy and color
Scattered problem increases the weight of, and anamorphose is serious, therefore can not reduction focal length simply.In order to solve distortion and the dispersion that single eyeglass brings
Problem, general processing method is that distortionless image carries out software pretreatment, then inputs left and right screen, in order to compensating glass
The aberration that sheet is brought；But this method can not solve the problem that edge image is fuzzy, and the decline of frame per second can be caused, give and use
Spinning sensation is brought at family.
Utility model content
The utility model proposes virtual reality device, it is possible to be effectively reduced dispersion and the distortion of edge image.
To this end, the utility model proposes techniques below scheme:
A kind of virtual reality device, including optical system, described optical system includes left eyeglass and right eyeglass, and its feature exists
In, described left eyeglass includes coaxial mounted first negative meniscus and being arranged in order from light to human eye direction
One biconvex positive lens, described right eyeglass includes coaxial mounted second negative meniscus being arranged in order from light direction
With the second biconvex positive lens.
Wherein, described virtual reality device also includes the first fixed picture frame, the second fixed picture frame, the first eyepiece base and
Two eyepiece bases, described first biconvex positive lens and the second biconvex positive lens are separately mounted to described first fixed picture frame and second
Fixed picture frame, described first negative meniscus and the second negative meniscus are separately mounted to the first eyepiece base and the second mesh
Mirror base.
Wherein, it is provided with dividing plate between described left eyeglass and right eyeglass.
Wherein, described first biconvex positive lens near the radius of curvature of the convex surface of human eye than the radius of curvature of another convex surface
Greatly.
Wherein, the two sides of described first biconvex positive lens is aspheric surface, and the first negative meniscus is away from described first
The one side of biconvex positive lens is plane, and the one side near described first biconvex positive lens is aspheric surface.
Wherein, the two sides of described second biconvex positive lens is aspheric surface, and the second negative meniscus is away from described second
The one side of biconvex positive lens is plane, and the one side near described second biconvex positive lens is aspheric surface.
Wherein, it is corresponding with described first circular arc that what the edge of described first biconvex positive lens was constituted is shaped as the first circular arc
The shape that string is constituted；The song that the orthographic projection of the curved surface that the first biconvex positive lens curvature is bigger is less with the first biconvex positive lens curvature
The orthographic projection in face is first circle concentric with described first circular arc；The radius of described first circular arc is 19mm ± 0.015mm,
The radius of described first circle is 17mm ± 0.015mm；Between the string that described first center justified is corresponding with described first circular arc
Distance is 18mm ± 0.03mm, and the edge thickness of described first biconvex positive lens is 0.58mm ± 0.03mm, and center thickness is
12.03mm ± 0.03mm, the height of projection of the curved surface that the curvature of the first biconvex positive lens is bigger is 9.02mm ± 0.03mm；
What the edge of described first negative meniscus was constituted is shaped as the string that the second circular arc is corresponding with described second circular arc
The shape constituted；The orthographic projection of the curved surface of the first negative meniscus is second circle concentric with described second circular arc, described
The radius of the second circular arc is 20mm ± 0.015mm, and the radius of described second circle is 15mm ± 0.015mm, in described second circle
Distance between the string that the heart is corresponding with described second circular arc is 18mm ± 0.03mm, and the edge of described first negative meniscus is thick
Degree is 13.15mm ± 0.03mm, and center thickness is 5mm ± 0.03mm；
Between center and the plane of the first negative meniscus of the convex surface that described first biconvex positive lens curvature is less
Distance is 34.54mm ± 0.03mm；Inside the edge lateral surface of the first biconvex positive lens and the edge of the first negative meniscus
Distance between face is 18.41mm ± 0.03mm, the center of the curved surface that the first biconvex positive lens curvature is bigger and the first falcate
The distance at the center of the curved surface of minus lens is 17.54mm ± 0.03mm.
Wherein, it is corresponding with described three-arc that what the edge of described second biconvex positive lens was constituted is shaped as three-arc
The shape that string is constituted；The song that the orthographic projection of the curved surface that the second biconvex positive lens curvature is bigger is less with the second biconvex positive lens curvature
The orthographic projection in face is threeth circle concentric with described three-arc；The radius of described three-arc is 19mm ± 0.015mm,
The radius of described 3rd circle is 17mm ± 0.015mm；Between the string that described 3rd center justified is corresponding with described three-arc
Distance is 18mm ± 0.03mm, and the edge thickness of described second biconvex positive lens is 0.58mm ± 0.03mm, and center thickness is
12.03mm ± 0.03mm, the height of projection of the curved surface that the curvature of the second biconvex positive lens is bigger is 9.02mm ± 0.03mm；
What the edge of described second negative meniscus was constituted is shaped as the string that the 4th circular arc is corresponding with described 4th circular arc
The shape constituted；The orthographic projection of the curved surface of the second negative meniscus is fourth circle concentric with described 4th circular arc, described
The radius of the 4th circular arc is 20mm ± 0.015mm, and the radius of described 4th circle is 15mm ± 0.015mm, in described 4th circle
Distance between the string that the heart is corresponding with described 4th circular arc is 18mm ± 0.03mm, and the edge of described second negative meniscus is thick
Degree is 13.15mm ± 0.03mm, and center thickness is 5mm ± 0.03mm；
Between center and the plane of the second negative meniscus of the convex surface that described second biconvex positive lens curvature is less
Distance is 34.54mm ± 0.03mm；Inside the edge lateral surface of the second biconvex positive lens and the edge of the second negative meniscus
Distance between face is 18.41mm ± 0.03mm, the center of the curved surface that the second biconvex positive lens curvature is bigger and the second falcate
The distance at the center of the curved surface of minus lens is 17.54mm ± 0.03mm.
Wherein, described virtual reality device also includes that body and display, described display and optical system house and institute
State the intracavity of body.
This utility model provides a kind of virtual reality device, including optical system, described optical system include left eyeglass and
Right eyeglass, described left eyeglass includes coaxial mounted first negative meniscus being arranged in order from light to human eye direction
With the first biconvex positive lens, described right eyeglass includes that coaxial mounted second falcate being arranged in order from light direction is born
Lens and the second biconvex positive lens.This utility model replaces simple lens composition eyeglass by compound lens, it is possible to be effectively reduced
Dispersion and image deformation degree, reduce dispersion and the distortion of edge imaging so that edge image imaging the most dramatically
Clearly.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of virtual reality device that this utility model embodiment provides.
Fig. 2 is the top view of a kind of virtual reality device that this utility model embodiment provides.
Fig. 3 is the structural representation of the left eyeglass that this utility model embodiment provides.
Fig. 4 is the top view of the first biconvex positive lens that this utility model embodiment provides.
Fig. 5 is the top view of the first negative meniscus that this utility model embodiment provides.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.
Such as Fig. 1-3, a kind of virtual reality device, including optical system, described optical system includes left eyeglass and right eyeglass
(left eyeglass is identical with right eyeglass, and therefore this utility model does not provide the structure chart of right eyeglass), described left eyeglass include from
Coaxial mounted first negative meniscus 2 and the first biconvex positive lens 3 that light to human eye direction is arranged in order, described
Right eyeglass includes coaxial mounted second negative meniscus and the second biconvex positive lens being arranged in order from light direction.
First biconvex positive lens 3 is identical with the second biconvex positive lens, is therefore referred to as biconvex positive lens, and in like manner, first is curved
Month shape minus lens 2 and the second negative meniscus are referred to as negative meniscus.
It is combined into eyeglass, it is possible to be effectively reduced dispersion and become by a negative meniscus and a biconvex positive lens
Image distortion degree, reduces dispersion and the distortion of edge imaging so that edge image imaging clearly the most dramatically.
Wherein, described virtual reality device also includes that body 1 and display, described display and optical system house and institute
State the intracavity of body 1.
When user utilizes virtual reality device of the present utility model viewing video, on display screen, about appearance, two images are drawn
Face, is received by left eye and the right eye of people respectively, thus is formed with the image frame of 3D effect at brain.
Wherein, described virtual reality device also includes the first fixed picture frame, the second fixed picture frame, the first eyepiece base and
Two eyepiece bases, described first biconvex positive lens 3 and the second biconvex positive lens are separately mounted to described first fixed picture frame and
Two fixed picture frames, described first negative meniscus 2 and the second negative meniscus are separately mounted to the first eyepiece base and
Two eyepiece bases.
Lens are fixedly mounted on the intracavity of body 1, when virtual reality device receives external impacts, whole optical system
It is difficult to loosen, it is possible to effectively keep the Iimaging Stability of whole optical system, i.e. imaging system.
Wherein, it is provided with dividing plate between described left eyeglass and right eyeglass.
Arranging dividing plate between left eyeglass and right eyeglass, two graphic interfaces can being effectively prevented in display intersect
Glasses are recognized in entrance, reduce 3D experience effect.
Wherein, described first biconvex positive lens 3 near the radius of curvature of the convex surface of human eye than the radius of curvature of another convex surface
Greatly.
Wherein, the two sides of described first biconvex positive lens 3 is aspheric surface, and the first negative meniscus 2 is away from described
The one side of one biconvex positive lens 3 is plane, and the one side near described first biconvex positive lens 3 is aspheric surface.
Wherein, the two sides of described second biconvex positive lens is aspheric surface, and the second negative meniscus is away from described second
The one side of biconvex positive lens is plane, and the one side near described second biconvex positive lens is aspheric surface.
In this utility model embodiment, non-spherical surface equation such as following formula:
Wherein, Z (r) is the depression degree for curved surface, i.e. rise, and k is aspheric conical surface degree, i.e. circular cone coefficient, and r is curved surface
Aperture radius, c is curvature (c=1/R, R represent radius of curvature), A2、A4、……A2nEach level number for r.
In the present embodiment, n=8, the non-spherical surface coefficient such as following table of biconvex positive lens:
The non-spherical surface coefficient such as following table of negative meniscus:
Lateral surface refers to the lens side away from human eye, and medial surface refers to the lens side near human eye.
First biconvex positive lens 3 and the second biconvex positive lens use the low abbe number of low-refraction optical plastic processing and
Become, the first negative meniscus 2 and the second negative meniscus use high index of refraction height abbe number optical plastic processing and
Become.The focal length of the compound lens that the combination of this type of biconvex positive lens and negative meniscus is formed is shorter, and visual range is big, can give
The feeling of immersion that user brings, simultaneously imaging clearly, aberration is little, and image is unlikely to deform.
As shown in Figure 3 and Figure 4, what the edge of described first biconvex positive lens 3 was constituted is shaped as the first circular arc and described the
The shape that the string that one circular arc is corresponding is constituted；The orthographic projection of the curved surface that the first biconvex positive lens 3 curvature is bigger is the most saturating with the first biconvex
The orthographic projection of the curved surface that mirror 3 curvature is less is first circle concentric with described first circular arc；The radius of described first circular arc
For 19mm ± 0.015mm, the radius of described first circle is 17mm ± 0.015mm；The center of described first circle and described first circle
Distance between the string that arc is corresponding is 18mm ± 0.03mm, the edge thickness of described first biconvex positive lens 3 be 0.58mm ±
0.03mm, center thickness is 12.03mm ± 0.03mm, the height of projection (phase of the curved surface that the curvature of the first biconvex positive lens 3 is bigger
Lateral surface to the first biconvex positive lens 3) it is 9.02mm ± 0.03mm.First circular arc and first circle be spaced apart 2mm ±
0.015mm。
As shown in Figure 3 and Figure 5, what the edge of described first negative meniscus 2 was constituted is shaped as the second circular arc and described
The shape that the string that second circular arc is corresponding is constituted；The orthographic projection of the curved surface of the first negative meniscus 2 is same with described second circular arc
Center second circle, the radius of described second circular arc is 20mm ± 0.015mm, described second circle radius be 15mm ±
0.015mm, the distance between the center string corresponding with described second circular arc of described second circle is 18mm ± 0.03mm, described the
The edge thickness of one negative meniscus 2 is 13.15mm ± 0.03mm, and center thickness is 5mm ± 0.03mm.
As it is shown in figure 5, the center of the less convex surface of described first biconvex positive lens 3 curvature and the first negative meniscus 2
Plane between distance be 34.54mm ± 0.03mm；The edge lateral surface of the first biconvex positive lens 3 and the first falcate are negative thoroughly
Distance between the edge medial surface of mirror 2 is 18.41mm ± 0.03mm, in the curved surface that the first biconvex positive lens 3 curvature is bigger
The distance at the center of the curved surface of the heart and the first negative meniscus 2 is 17.54mm ± 0.03mm.
What the edge of described second biconvex positive lens was constituted is shaped as the string structure that three-arc is corresponding with described three-arc
The shape become；The curved surface that the orthographic projection of the curved surface that the second biconvex positive lens curvature is bigger is less with the second biconvex positive lens curvature
Orthographic projection is threeth circle concentric with described three-arc；The radius of described three-arc is 19mm ± 0.015mm, described
The radius of the 3rd circle is 17mm ± 0.015mm；Distance between the string that described 3rd center justified is corresponding with described three-arc
For 18mm ± 0.03mm, the edge thickness of described second biconvex positive lens is 0.58mm ± 0.03mm, and center thickness is 12.03mm
± 0.03mm, the height of projection (lateral surface of relative second biconvex positive lens) of the curved surface that the curvature of the second biconvex positive lens is bigger
For 9.02mm ± 0.03mm.
What the edge of described second negative meniscus was constituted is shaped as the string that the 4th circular arc is corresponding with described 4th circular arc
The shape constituted；The orthographic projection of the curved surface of the second negative meniscus is fourth circle concentric with described 4th circular arc, described
The radius of the 4th circular arc is 20mm ± 0.015mm, and the radius of described 4th circle is 15mm ± 0.015mm, in described 4th circle
Distance between the string that the heart is corresponding with described 4th circular arc is 18mm ± 0.03mm, and the edge of described second negative meniscus is thick
Degree is 13.15mm ± 0.03mm, and center thickness is 5mm ± 0.03mm.
Between center and the plane of the second negative meniscus of the convex surface that described second biconvex positive lens curvature is less
Distance is 34.54mm ± 0.03mm；Inside the edge lateral surface of the second biconvex positive lens and the edge of the second negative meniscus
Distance between face is 18.41mm ± 0.03mm, the center of the curved surface that the second biconvex positive lens curvature is bigger and the second falcate
The distance at the center of the curved surface of minus lens is 17.54mm ± 0.03mm.
Can be drawn by the size of above-mentioned first negative meniscus 2 and the first biconvex positive lens 3, whole optical system
Focal length shorter, the visual range of virtual reality device is big, and the maximum distortion degree of compound lens imaging is less than 12%, and concentrates on
Marginal area, the degree of distortion of middle view field imaging is less than 5%.
This utility model provides a kind of virtual reality device, forms eyeglass by compound lens, it is possible to be effectively reduced color
Dissipate and image deformation degree, reduce dispersion and the distortion of edge imaging the most dramatically.
The above, only this utility model preferably detailed description of the invention, but protection domain of the present utility model is not
Being confined to this, any those familiar with the art, in the technical scope that this utility model discloses, can readily occur in
Change or replacement, all should contain within protection domain of the present utility model.Therefore, protection domain of the present utility model should
It is as the criterion with scope of the claims.
Claims (9)
1. a virtual reality device, including optical system, described optical system includes left eyeglass and right eyeglass, and its feature exists
In, described left eyeglass includes coaxial mounted first negative meniscus and being arranged in order from light to human eye direction
One biconvex positive lens, described right eyeglass includes coaxial mounted second negative meniscus being arranged in order from light direction
With the second biconvex positive lens.
2. virtual reality device as claimed in claim 1, it is characterised in that include the first fixed picture frame, the second fixed picture frame,
First eyepiece base and the second eyepiece base, described first biconvex positive lens and the second biconvex positive lens are separately mounted to described
One fixed picture frame and the second fixed picture frame, described first negative meniscus and the second negative meniscus are separately mounted to first
Eyepiece base and the second eyepiece base.
3. virtual reality device as claimed in claim 1, it is characterised in that be provided with between described left eyeglass and right eyeglass every
Plate.
4. virtual reality device as claimed in claim 1, it is characterised in that convex near human eye of described first biconvex positive lens
The radius of curvature in face is bigger than the radius of curvature of another convex surface.
5. virtual reality device as claimed in claim 1, it is characterised in that the two sides of described first biconvex positive lens is non-
Sphere, the first negative meniscus is plane away from the one side of described first biconvex positive lens, the most saturating near described first biconvex
The one side of mirror is aspheric surface.
6. virtual reality device as claimed in claim 1, it is characterised in that the two sides of described second biconvex positive lens is non-
Sphere, the second negative meniscus is plane away from the one side of described second biconvex positive lens, the most saturating near described second biconvex
The one side of mirror is aspheric surface.
7. virtual reality device as claimed in claim 5, it is characterised in that the edge of described first biconvex positive lens is constituted
It is shaped as the shape that the first circular arc string corresponding with described first circular arc is constituted；The curved surface that first biconvex positive lens curvature is bigger
The orthographic projection of the curved surface that orthographic projection is less with the first biconvex positive lens curvature is first circle concentric with described first circular arc；
The radius of described first circular arc is 19mm ± 0.015mm, and the radius of described first circle is 17mm ± 0.015mm；Described first circle
The center string corresponding with described first circular arc between distance be 18mm ± 0.03mm, the edge of described first biconvex positive lens
Thickness is 0.58mm ± 0.03mm, and center thickness is 12.03mm ± 0.03mm, the curved surface that the curvature of the first biconvex positive lens is bigger
Height of projection be 9.02mm ± 0.03mm；
What the edge of described first negative meniscus was constituted is shaped as the string composition that the second circular arc is corresponding with described second circular arc
Shape；The orthographic projection of the curved surface of the first negative meniscus is second circle concentric with described second circular arc, described second
The radius of circular arc is 20mm ± 0.015mm, described second circle radius be 15mm ± 0.015mm, described second circle center with
Distance between the string that described second circular arc is corresponding is 18mm ± 0.03mm, and the edge thickness of described first negative meniscus is
13.15mm ± 0.03mm, center thickness is 5mm ± 0.03mm；
Distance between center and the plane of the first negative meniscus of the convex surface that described first biconvex positive lens curvature is less
For 34.54mm ± 0.03mm；The edge lateral surface of the first biconvex positive lens and the edge medial surface of the first negative meniscus it
Between distance be 18.41mm ± 0.03mm, the center of the curved surface that the first biconvex positive lens curvature is bigger and the first falcate are negative thoroughly
The distance at the center of the curved surface of mirror is 17.54mm ± 0.03mm.
8. virtual reality device as claimed in claim 6, it is characterised in that the edge of described second biconvex positive lens is constituted
It is shaped as the shape that the three-arc string corresponding with described three-arc is constituted；The curved surface that second biconvex positive lens curvature is bigger
The orthographic projection of the curved surface that orthographic projection is less with the second biconvex positive lens curvature is threeth circle concentric with described three-arc；
The radius of described three-arc is 19mm ± 0.015mm, and the radius of described 3rd circle is 17mm ± 0.015mm；Described 3rd circle
The center string corresponding with described three-arc between distance be 18mm ± 0.03mm, the edge of described second biconvex positive lens
Thickness is 0.58mm ± 0.03mm, and center thickness is 12.03mm ± 0.03mm, the curved surface that the curvature of the second biconvex positive lens is bigger
Height of projection be 9.02mm ± 0.03mm；
What the edge of described second negative meniscus was constituted is shaped as the string composition that the 4th circular arc is corresponding with described 4th circular arc
Shape；The orthographic projection of the curved surface of the second negative meniscus is fourth circle concentric with described 4th circular arc, the described 4th
The radius of circular arc is 20mm ± 0.015mm, described 4th circle radius be 15mm ± 0.015mm, described 4th circle center with
Distance between the string that described 4th circular arc is corresponding is 18mm ± 0.03mm, and the edge thickness of described second negative meniscus is
13.15mm ± 0.03mm, center thickness is 5mm ± 0.03mm；
Distance between center and the plane of the second negative meniscus of the convex surface that described second biconvex positive lens curvature is less
For 34.54mm ± 0.03mm；The edge lateral surface of the second biconvex positive lens and the edge medial surface of the second negative meniscus it
Between distance be 18.41mm ± 0.03mm, the center of the curved surface that the second biconvex positive lens curvature is bigger and the second falcate are negative thoroughly
The distance at the center of the curved surface of mirror is 17.54mm ± 0.03mm.
9. virtual reality device as claimed in claim 1, it is characterised in that also include body and display, described display
Intracavity with described body accommodating with optical system.
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|---|---|---|---|
| CN201620667384.7U CN205809423U (en) | 2016-06-29 | 2016-06-29 | A kind of virtual reality device |
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| CN201620667384.7U CN205809423U (en) | 2016-06-29 | 2016-06-29 | A kind of virtual reality device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018000525A1 (en) * | 2016-06-29 | 2018-01-04 | 深圳市掌网科技股份有限公司 | Virtual reality device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018000525A1 (en) * | 2016-06-29 | 2018-01-04 | 深圳市掌网科技股份有限公司 | Virtual reality device |
| CN107544141A (en) * | 2016-06-29 | 2018-01-05 | 深圳市掌网科技股份有限公司 | A kind of virtual reality device |
| CN107544141B (en) * | 2016-06-29 | 2019-09-10 | 深圳市掌网科技股份有限公司 | A kind of virtual reality device |
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