CN207676049U - A kind of virtual reality device optical adjustment system - Google Patents
A kind of virtual reality device optical adjustment system Download PDFInfo
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- CN207676049U CN207676049U CN201721912706.0U CN201721912706U CN207676049U CN 207676049 U CN207676049 U CN 207676049U CN 201721912706 U CN201721912706 U CN 201721912706U CN 207676049 U CN207676049 U CN 207676049U
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- mirror slip
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Abstract
The application provides a kind of virtual reality device optical adjustment system, including the outer lens barrel and inner lens cone nested together, and the adjustment module being removably attachable on outer lens barrel outboard end position.In actual use, fixed outer optical mirror slip on outer lens barrel, it is fixed on inner lens cone in optical mirror slip, the picture shown on screen in virtual reality device is imaged by the completion of the collective effect of interior optical mirror slip and outer optical mirror slip before wearer.It includes adjustment eyeglass and adjustment frame to adjust module, can further adjust the image-forming range of screen-picture in actual use.Optical adjustment system provided by the present application can select suitable imaging mode as needed, make the wearer of different eyesight status that can pass through virtual reality device, clearly image is watched, solves the problems, such as that traditional virtual real world devices can not be that clear image is presented in the near-sighted user of presbyopic user or 700 degree or more.
Description
Technical field
This application involves helmet technical field more particularly to a kind of virtual reality device optical adjustment systems.
Background technology
Display equipment is worn, refers to being worn on user's head, the equipment that optical signalling can be sent to user's eyes, including
Virtual reality (Virtual Reality, VR) equipment, augmented reality equipment, game station etc..Wherein, virtual reality device because
Strong feeling of immersion can be brought to be widely current for wearer.Virtual reality device, such as VR glasses, built-in independent screen,
VR resources can be presented to the right and left eyes of wearer, form virtual reality imagery.Due to the screen and pendant of virtual reality device
The distance of wearer's glasses is close, therefore in many virtual reality devices, built-in as disclosed in Patent No. US20170017078B
Optical module provided in technical solution, to adjust VR images.
Virtual reality device when in use, will be worn on the face of user, this makes the picture of its screen demonstration and user
The distance between eyes are close, although conventional virtual reality device can by optical system, the image-forming range of adjustment picture,
But in actual wear, picture is still in the close region of eyes.In general, VR glasses for twenty-twenty vision and
700 degree of near-sighted users below can provide clearly image, but for long sight and presbyopic user, it is difficult to directly show
Clearly image.
In order to which clearly image is presented to the near-sighted user of presbyopic user or 700 degree or more, provide in the prior art a kind of
The virtual reality device of presbyopic glasses or spectacles can be accommodated.One is equipped with i.e. between virtual reality device and wearer's face
A cavity for accommodating common spectacles, and it is equipped with the fixing piece for preventing common spectacles from falling off in temple position and bridge of the nose position.It wears
The common spectacles oneself worn first are placed in the cavity, are consolidated by fixing piece when wearing the virtual reality device by person
It is fixed, then virtual reality device and common spectacles are worn on face together.But this method is in actual use, common in order to give
Glasses reserve placement space, increase the thickness of virtual reality device, presentation screen often wearer eye distance farther out, make
The center of gravity for obtaining entire virtual reality device deviates outward, is easy that equipment is made to fall when wearing.And for different wearers,
The difference in size of glasses is very big, and position is difficult to fix when glasses can be made to be fixed in the cavity on virtual reality device, hinders
The sight of wearer.
Utility model content
This application provides a kind of virtual reality device optical adjustment systems, can not be to solve traditional virtual real world devices
The problem of clear image is presented in the near-sighted user of presbyopic user or 700 degree or more.
On the one hand, the application provides a kind of virtual reality device optical adjustment system, including：Outer lens barrel, outer optical mirror slip,
Inner lens cone, interior optical mirror slip and adjustment module, wherein；
The outer lens barrel and the inner lens cone are to nest together columnar structured, and the outer optical mirror slip is fixed on institute
It states on outer lens barrel, the interior optical mirror slip is fixed on the inner lens cone；
The adjustment module is detachably connected to one end on the outer lens barrel close to the outer optical mirror slip.
Optionally, the adjustment module includes adjusting eyeglass and the adjustment frame for installing the adjustment eyeglass, described
Adjustment frame is columnar structured with the adjustment eyeglass cooperation, and the adjustment frame is detachably connected on the outer lens barrel, close
One end of the outer optical mirror slip.
Optionally, the inside of the adjustment frame has step structure；
The adjustment frame includes the limiting stand and spacing ring for fixing the adjustment eyeglass, and the limiting stand is located at described
On the outside of the edge for adjusting eyeglass, the spacing ring is located on the inside of the edge of the adjustment eyeglass；
It is clearance fit between the adjustment eyeglass and the adjustment frame；It was between the spacing ring and the adjustment frame
It is full of cooperation；
It is greater than or equal to the internal diameter of the inner lens cone by the barrel bore that the limiting stand is constituted；The internal diameter of the spacing ring
More than or equal to the internal diameter of the inner lens cone.
Optionally, the limiting stand includes the contact surface being bonded on the outside of the adjustment lens edge and is located at the tune
Outer end face on whole outer frame side end；
The adjustment eyeglass is convex lens, the image-forming range for increasing the optical adjustment system, the contact surface with
The distance between described outer end face is gradually reduced on the direction from edge to center.
Optionally, the limiting stand includes the contact surface being bonded on the outside of the adjustment lens edge and is located at the tune
Outer end face on whole outer frame side end；
The adjustment eyeglass is concavees lens, the image-forming range for reducing the optical adjustment system, the contact surface with
The distance between described outer end face gradually increases on the direction from edge to center.
Optionally, the adjustment frame is connected through a screw thread the outer lens barrel or the adjustment frame is connected by a snap institute
State outer lens barrel.
Optionally, the outer lens barrel is equipped with external screw thread close to the outer wall of outer optical mirror slip installation site；
Inner wall of the adjustment frame far from the adjustment eyeglass installation site is equipped with matches with the external screw thread of the outer lens barrel
The internal thread of conjunction.
Optionally, end face of the adjustment frame far from the adjustment eyeglass is equipped with multiple buckles；
The outer lens barrel is equipped with identical with the buckle quantity on the outer wall of the outer optical mirror slip installation site
Card slot.
Optionally, end face of the adjustment frame far from the adjustment eyeglass is equipped with multiple buckles；
The outer lens barrel is equipped with and the annular for buckling and being adapted on the outer wall of the outer optical mirror slip installation site
Slot.
Optionally, it is plane that the outer optical mirror slip and the interior optical mirror slip, which are sides, and the other side is the D-shaped mirror of cambered surface
Chip architecture；The adjustment eyeglass is that side is plane, and the other side is the globoidal structure of convex or concave；
The planar side of the outer optical mirror slip, the interior optical mirror slip and the adjustment eyeglass is coated with anti-reflection film.
On the other hand, the application also provides a kind of virtual reality device, including front housing, rear shell and above-mentioned pH effect system
System, wherein：
The front housing is identical as the edge contour of the rear shell, and the front housing connect to be formed for storing with the rear shell
State the cavity of optical adjustment system and electronic device；
It is set in the rear shell there are two mirror hole, the diameter in the mirror hole is greater than or equal to epi mirror in the optical adjustment system
The outer diameter of cylinder；
The outer lens barrel is protruded relative to the rear shell to be arranged, and height of projection of the outer lens barrel relative to the rear shell
More than or equal to the axial width of the adjustment module.
By above technical scheme it is found that the application provides a kind of virtual reality device optical adjustment system, including it is nested in
Outer lens barrel together and inner lens cone, and the adjustment module that is removably attachable on outer lens barrel outboard end position.In reality
In use, fixed outer optical mirror slip on outer lens barrel, fixed interior optical mirror slip on inner lens cone is shown on screen in virtual reality device
Picture complete to be imaged before wearer by the collective effect of interior optical mirror slip and outer optical mirror slip.It includes adjusting to adjust module
Whole eyeglass and adjustment frame, in actual use, wearer select suitable adjustment eyeglass according to own eyesight situation, and are mounted on
Among adjusting frame, then module will be entirely adjusted on outer lens barrel, further to adjust the image-forming range of screen-picture.This Shen
The optical adjustment system that please be provided can select suitable imaging mode as needed, make the wearer of different eyesight status can
Enough by virtual reality device, clearly image is watched, it can not be presbyopic user or 700 degree to solve traditional virtual real world devices
The problem of clear image is presented in above near-sighted user.
Description of the drawings
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without creative efforts, also
It can be obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of virtual reality device；
Fig. 2 is the structural schematic diagram of optical adjustment system provided by the present application；
Fig. 3 is the cross-sectional view of optical adjustment system one embodiment provided by the present application；
Fig. 4 is the dimensional structure diagram of optical adjustment system one embodiment provided by the present application；
Fig. 5 is the cross-sectional view of another embodiment of optical adjustment system provided by the present application.
Specific implementation mode
Embodiment will be illustrated in detail below, the example is illustrated in the accompanying drawings.In the following description when referring to the accompanying drawings,
Unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Implementation described in following embodiment
Mode does not represent all embodiments consistent with the application.Only it is and be described in detail in claims, the application
The example of the consistent system and method for some aspects.
The optical module of virtual reality device is mounted between screen and wearer's face, the light being made of multiple lens
Learn adjustment mechanism.Optical module is mainly used for the picture that will be shown on screen, and by the refraction of lens, amplification is presented on wearer
At the moment, the picture for making wearer still can clearly be watched when facial dimension screen is close in screen.And optical module
Image-forming range of the screen-picture in human eye can also be adjusted, to adapt to the wearer of different eyesight status.It should be noted that
Image-forming range herein refers to equivalent image-forming range of the screen between human eye, during actual wear, virtual reality
Actual range between screen in equipment and wearer's eye is changeless, and adjustment of the optical module to image-forming range
Generally by the position of movable eyeglass in adjustment optical module, to make the focal length of entire optical module change, in turn
Adjust the size and clarity of picture observed by wearer.
For example, with reference to Fig. 1, in technical solution provided by the present application, optical module mainly consists of two parts, i.e., by outer
Static lens barrel and inner lens cone 3 that lens barrel 1 and outer optical mirror slip 2 form and the draw tube that interior optical mirror slip 4 forms.Epi mirror
The outside that cylinder 1 is nested in inner lens cone 3, makes to form clearance fit between inner lens cone 3 and outer lens barrel 1, i.e., the outer diameter of inner lens cone 3 with it is outer
The internal diameter size of lens barrel 1 is identical, but has different deviation requirements during fabrication.If the outer diameter upper deviation of inner lens cone 3 is 0, and
The lower deviation of outer lens barrel 1 is 0, and such matching relationship can ensure between inner lens cone 3 and outer lens barrel 1, keep coaxially
Under the premise of can slide axially and can circle circumferentially rotate.In actual use, inner lens cone 3 drives interior optical mirror slip 4
It can be moved inside the lens barrel of outer lens barrel 1, that is, pass through optical mirror slip in the mobile adjustment in the axial direction of inner lens cone 3
4 position relative to outer optical mirror slip 2, to achieve the purpose that change entire optical module focal length.
For the virtual reality device of the application application, due to lightening requirement, between outer optical mirror slip 2 and screen 8
Distance it is closer, and the static eyeglass that outer lens barrel 1 and outer optical mirror slip 2 form is typically mounted on holder, outer optics
The space that can be used for adjusting focal length between eyeglass 2 and screen 8 is often smaller, therefore when wearer is farsighted person or 700
Degree or more A nearsighted person when, when carrying out Focussing by above-mentioned optical module, image-forming range excessively closely or too far, can not be
Long sight wearer and the wearer of myopia 700 degree or more offer clearly picture.
To solve the above-mentioned problems, the application provides a kind of virtual reality device optical adjustment system, including：Outer lens barrel 1,
Outer optical mirror slip 2, inner lens cone 3, interior optical mirror slip 4 and adjustment module 5.Wherein；Outer lens barrel 1 is to be nested in one with inner lens cone 3
Rise it is columnar structured, outer optical mirror slip 2 is fixed on outer lens barrel 1, and interior optical mirror slip 4 is fixed on 3 on inner lens cone, i.e., with it is above-mentioned
Optical module it is identical, but in technical solution provided by the present application, adjustment is additionally provided in the end face outside of the outer lens barrel of optical module 1
Module 5, the adjustment module 5 include adjustment eyeglass 51 and the adjustment frame 52 for mounting and adjusting eyeglass 51, and adjustment frame 52 is
Coordinate with adjustment eyeglass 51 columnar structured, adjustment frame 52 is detachably connected on outer lens barrel 1, close to the one of outer optical mirror slip 2
End.
In the present embodiment, picture can be changed by increased adjustment module 5 in the external adjustment module 5 that installs additional of optical module
The refraction path of face picture further adjusts image-forming range of the virtual reality imagery relative to human eye.For example, when wearer suffers from
Farsightedness or when presbyopia, wearer cannot see the image under current image-forming range, at this point, setting adjustment eyeglass 51 to
Convex lens corresponding with patient's vision situation, to increase image-forming range.And when wearer suffers from myopia, due to virtually existing
The screen of real equipment and the facial dimension of wearer are close, therefore for 700 degree of near-sighted wearers below, need not install tune additional
Whole system 5 can be obtained clearly image, but for 700 degree or more of near-sighted wearer, the equivalent imaging of virtual reality device
Distance still farther out, therefore can by will adjust eyeglass 51 be set as the concavees lens being adapted with wearer's vision condition come into
One step reduces image-forming range, to obtain the image being more clear.
In the section Example of the application, it includes being used for that the inside of adjustment frame 52, which has step structure, adjustment frame 52,
The limiting stand 53 and spacing ring 54 of fixed adjustment eyeglass 51, limiting stand 53 are located on the outside of the edge of adjustment eyeglass 51, spacing ring 54
On the inside of the edge of adjustment eyeglass 51.In actual use, wearer selects suitable adjustment according to the eyesight status of itself
Eyeglass 51, and adjustment eyeglass 51 is placed in adjustment frame 52, make the outer ledge of adjustment eyeglass 51 and the tune of step structure
Whole frame 52 contacts, then is fixed in inside edge by eyeglass 51 is adjusted by spacing ring 54.
Further, it is clearance fit between the adjustment eyeglass 51 and adjustment frame 52；Spacing ring 54 with adjustment frame 52 it
Between for interference fit.In the present embodiment, eyeglass will be adjusted by adjusting to facilitate for clearance fit between eyeglass 51 and adjustment frame 52
51 be put into adjustment frame 52 in, can also avoid adjustment frame 52 to adjustment eyeglass 51 squeeze, to avoid adjustment eyeglass 51 because by
It is deformed the imaging effect for influencing picture to extruding.It can adjusted for interference fit between spacing ring 54 and adjustment frame 52
Eyeglass 51 is put into after adjustment frame 52, is exchanged whole eyeglass 51 in inside and is squeezed, interference fit can firmly limit limit
The position of ring 54 makes entire virtual reality device in the case where not impacted, and what adjustment eyeglass 51 can be stablized is maintained at
Precalculated position maintains imaging effect.
In order to obtain better imaging effect, in technical solution provided by the present application, adjustment eyeglass 51 and adjustment frame 52
Between fit clearance should not be too large, such as when adjust eyeglass 51 diameter be significantly less than adjustment frame 52 internal diameter when, adjust mirror
Piece 51 due to there are the excessive of gap being not easy to settling position between adjustment frame 52, meanwhile, when adjustment eyeglass 51 due to
When excessive because of gap between adjustment frame 52, after adjustment eyeglass 51 is mounted on virtual reality device, outer optical mirror slip 2, interior light
The optical axis learned eyeglass 4 and adjusted between 51 three of eyeglass is not arranged on the same straight line, and wearer can be made by adjusting module 5
When carrying out viewing, bird caging is generated on image frame, is not only influenced the effective fruit of picture, is also affected wearing virtual reality
3D effect when equipment.
But the fit clearance for adjusting eyeglass 51 and adjusting between frame 52 is also unsuitable too small, for example, the size of adjustment eyeglass 51
Frame 52 is equal or slightly larger than adjusted, at this point, adjustment eyeglass 51 needs just be put by larger active force in adjustment frame 52, no
It is conveniently adjusted the disassembly and installation of eyeglass 51, and the squeezing action due to adjusting frame 52, adjustment eyeglass 51 can be made to occur small
Deflection and deformation, to change scheduled light path, at this time pass through optical adjustment system observe virtual reality device display screen
On picture when, the distortion of picture may be will produce, to influence image quality.In addition, when the size of adjustment eyeglass 51 is equal to
Or irregular active force is also will produce slightly larger than adjustment frame 52, it is applied on adjustment frame 52, the size of adjustment frame 52 is made to occur
Variation is not easy to adjustment frame 52 and is mounted on outer lens barrel 1, even results in the feelings that adjustment eyeglass 51 can not take out in adjusting frame 52
Condition occurs.
It is greater than or equal to the internal diameter of inner lens cone 3 by the barrel bore that limiting stand 53 is constituted；The internal diameter of spacing ring 54 be more than or
Equal to the internal diameter of inner lens cone 3.In the present embodiment, the partial step shape circle protruded from 1 inner wall of outer lens barrel is made of limiting stand 53
Cylinder, since this partial cylinder is located at entire optical system near the position of human eye, the cylinder being made of limiting stand 53 is answered
The output that display picture cannot be blocked, this requires the barrel bores being made of limiting stand 53 to be greater than or equal in inner lens cone 3
Diameter.
Further, since for optical mirror slip 4 in fixation, 3 inner wall of inner lens cone may also be arranged to step structure, because
This in technical solution provided by the present application, the barrel bore being made of limiting stand 53 should be greater than or equal to inner lens cone 3 minimum
Internal diameter.Similarly, in order not to block the picture of screen display, the internal diameter of spacing ring 54 also should ensure that more than or equal to inner lens cone 3
Internal diameter.It should be noted that in technical solution provided by the present application, cylindrical portions and the limit that the limiting stand 53 is constituted
The internal diameter of position ring 54 also should not be too large, because not only to reduce adjustment eyeglass 51 fixed steady on adjustment frame 52 for excessive internal diameter
It is qualitative, and can because adjustment eyeglass 51 edge and spacing ring 54 and adjustment frame 52 between contact area it is too small, be easy into
Enter dust impurity, influences viewing effect.Preferably, the internal diameter for the cylindrical portions internal diameter and spacing ring 54 that limiting stand 53 is constituted is just
Equal to the minimum diameter of the inner lens cone 3.
In a kind of technical solution, limiting stand 53 include the contact surface 531 being bonded on the outside of adjustment eyeglass 51 edge and
Outer end face 532 in adjustment 52 outboard end of frame.It is convex lens to adjust eyeglass 51, between contact surface 531 and outer end face 532
Distance, be gradually reduced on the direction from edge to center.Due to the wearer with long sight, when using virtual reality device
When, the adjustment eyeglass 51 of convex lens form need to be selected.As the lower wearer of part long sight degree, 51 mirror of adjustment eyeglass that uses
The bending degree in face is relatively low, and what can be stablized by the stair-stepping limiting stand in right angle 53 fixes adjustment eyeglass 51.And work as
When the long sight degree of wearer is more serious, need the higher adjustment eyeglass of thicker and eyeglass bending degree 51 that could obtain clearly
Picture tends not to stablize for this higher convex lens of mirror curvature degree by the step-like limiting stand in right angle 53
Fixed adjustment eyeglass 51 position.
In the present embodiment, the face that limiting stand 53 is contacted with adjustment eyeglass 51 is disposed relative to the outer end of adjustment frame 52
532 inclined structure of face, and due to adjustment eyeglass 51 be convex lens, between contact surface 531 and outer end face 532 away from
From being gradually reduced on the direction from edge to center, to adapt to the changing rule of convex lens minute surface, increase eyeglass and limiting stand
53 contact area.Further, when wearer is 700 degree or more of A nearsighted person, that is, it is concavees lens to adjust eyeglass 51, then
The distance between contact surface 531 and outer end face 532 gradually increase on the direction from edge to center.
In a kind of technical solution, adjustment frame 52 is connected through a screw thread outer lens barrel 1, or adjustment frame 52 is connected by a snap
Outer lens barrel 1.Wherein, if adjustment frame 52 is connected through a screw thread outer lens barrel 1, first adjustment eyeglass 51 is installed in actual use
In adjusting frame 52, then the mode that is connected through a screw thread, module 5 will be entirely adjusted on virtual reality device.
Specifically, outer lens barrel 1 is equipped with external screw thread 11 close to the outer wall of 2 installation site of outer optical mirror slip；It is remote to adjust frame 52
Inner wall from adjustment 51 installation site of eyeglass is equipped with the internal thread 521 coordinated with the external screw thread of outer lens barrel 1.In the present embodiment,
By adjusting the screw thread being arranged on frame 52 and outer lens barrel 1, it may be convenient to which adjustment frame 52 is mounted on epi mirror in rotary manner
On cylinder 1.Simultaneously as the effect being threadedly coupled, can also adjust frame 52 by rotation and change between adjustment frame 52 and outer lens barrel 1
Threaded engagement length, and then the distance between adjust the adjustment eyeglass 51 and outer optical mirror slip 2, optical module made to install additional
After adjusting module 5, the adjustment surplus with focal length, convenient for persistently adjusting focal length, the image being more clear is presented.
If adjustment frame 52 is connected by a snap outer lens barrel 1, in actual use, it is only necessary to adjustment eyeglass 51 will be equipped with
The pressing of adjustment frame 52 in the end position of outer lens barrel 1, so that buckle and card slot is coordinated, fast implement the installation of adjustment module 5.Tool
Body, in some embodiments, end face of the adjustment frame 52 far from adjustment eyeglass 51 is equipped with multiple buckles 522, and outer lens barrel 1 is close
On the outer wall of 2 installation site of outer optical mirror slip, it is equipped with card slot identical with 522 quantity of buckle 12.Obviously, in order to maintain stress flat
Weighing apparatus, adjust frame 52 on multiple buckles 522 should along the circumferential direction on be uniformly arranged.In the present embodiment, pass through buckle 522 and card slot
12 cooperation can facilitate the Fast Installation of adjustment module 5, reduce due to dismounting the trouble brought.
Further, in the section Example of the application, end face of the adjustment frame 52 far from adjustment eyeglass 51 is equipped with more
A buckle 522；Outer lens barrel 1 is equipped with the annular groove 13 being adapted to buckle 522 on the outer wall of 2 installation site of outer optical mirror slip.
Difference lies in replace being matched between card slot 12 and multiple buckles 522 by annular groove 13 for the present embodiment and above-described embodiment
Close connection.Annular groove 13 can make installation of the adjustment module 5 on outer lens barrel 1 eased relative to card slot 12, it is not necessary to go for
Corresponding position relationship between buckle 522 and card slot 12 can guarantee adjustment eyeglass 51, outer optical mirror slip 2 and interior optical mirror slip 4
Optical axis between three is on same straight line.
Replace card slot 12 can also have certain beauty after virtual reality device removes adjustment module 5 by annular groove 13
Degree avoids being formed in the position of card slot 12 and is capable of the groove of gather dust, to reduce adjustment eyeglass 5 and outer optical mirror slip 2 by
To the possibility of pollution.In addition, the setting of annular groove 13, can shift to middle part by fixed position from the outer end of outer lens barrel 1, from
And it is thicker so that the position on outer lens barrel 1 for fixed outer optical mirror slip 2 is arranged, and has and ensures consolidating for outer optical mirror slip 2
Calmly conveniently and convenient for the advantageous effects such as dust-proof.
In a kind of technical solution, outer optical mirror slip 2 and interior optical mirror slip 4 are that side is plane, and the other side is the D of cambered surface
Shape lens structure；Adjustment eyeglass 51 is that side is plane, and the other side is the globoidal structure of convex or concave, in the present embodiment, outside
Optical mirror slip 2 and interior optical mirror slip 4 are the lens structure that section is " D " shape, can be adjusted to picture image-forming range in realization
Meanwhile reducing fitting shape need of lens edge when fixed.That is, the plane of outer optical mirror slip 2 can be made during the installation process
Side is contacted with the end step structure of outer lens barrel 1, makes the planar side of interior optical mirror slip 4 and the ladder-like knot in end of outer lens barrel 3
Structure contacts, to improve the stability of outer optical mirror slip 2 and interior optical mirror slip 4 when fixed.At the same time, by outer optical mirror slip
2 planar side is positioned close to the side of human eye, i.e., is in direct contact with environment, can also avoid the ash generated by eyeglass cambered surface
Dirt is accumulated, and to inconvenience that scale removal process is brought.The planar side of interior optical mirror slip 4 is located remotely from the side of screen, can keep away
Exempt from planar side for the reflective of screen-picture, to reduce since speck occurs on the screen in reflection action, influence picture at
As effect.
In the present embodiment, adjustment eyeglass 51 similarly has plane side, in actual installation process, adjustment eyeglass 51
Planar side with adjustment frame 52 contact, to make contact surface be plane, in order to adjust eyeglass 51 adjustment frame 52 in positioning and
Installation.The other side for adjusting eyeglass 51 is cambered surface, and concrete structure is determined according to the vision condition of wearer.For example, working as wearer
For 700 degree or more of high myopia when, the cambered surface side of adjustment eyeglass 51 selects the globoidal structure to concave, makes entirely to adjust eyeglass
51 are presented half concavees lens structure, shorten the image-forming range of optical module；When wearer is long sight, the cambered surface side of eyeglass 51 is adjusted
The globoidal structure for selecting convex makes entirely to adjust half convex lens structures of presentation of eyeglass 51, increases the image-forming range of optical module.
It should be noted that for the near-sighted wearer of the higher number of degrees, due to the use of the adjustment eyeglass of half concavees lens structure
51, the thickness of lens edge can be made very big, installation is not easy to and fixes, therefore in technical solution provided by the present application, work as pendant
When wearer's myopia degree is excessively high, it is the concavees lens structure eyeglass of cambered surface to answer preferred both sides all.
Further, the planar side of the outer optical mirror slip 2, interior optical mirror slip 4 and adjustment eyeglass 51 is coated with anti-reflection film.
It, can be due to screen during being imaged by optical module since the screen of virtual reality device has certain brightness
On the light that sends out be radiated at the planar side of each eyeglass, generate to the reflective of screen orientation, this part is reflective to be directly reflected back
On screen, local speck is formed, picture and viewing effect are influenced.Reflective, this implementation is generated in order to avoid the planar side of each eyeglass
It is coated with one layer of anti-reflection film in the planar side of adjustment eyeglass 51, interior optical mirror slip 4 and outer optical mirror slip 2 in example, by anti-reflection film,
The reflective of planar side is reduced, the problem of speck occurs so as to improve in screen.In addition, anti-reflection by being arranged in the planar side of eyeglass
Film, additionally it is possible to which the light transmittance for further increasing eyeglass makes wearer pass through optical module come when watching VR images, it is seen that picture
It is more clear.
Based on above-mentioned optical adjustment system, as shown in Figure 1, the application also provides a kind of virtual reality device, including front housing
6, rear shell 7 and above-mentioned optical adjustment system, wherein：Front housing 6 is identical as the edge contour of rear shell 7, and front housing 6 is connect with rear shell 7
Form the cavity for storing optical adjustment system and electronic device.In virtual reality device provided by the present application, optics tune
Whole system is used to adjust the imaging of on-screen displays in virtual reality device, allows a wearer in close-ups to picture
In content；Electronic device refers to the device at vision signal by virtual reality imagery resource conversion, includes mainly screen, display
The sensor etc. that driving part, controller, aspect sensor, signal transmission component and auxiliary are worn, by between all parts
Cooperating, so that virtual reality device is demonstrated corresponding VR resources.
In the present embodiment, set in rear shell 7 there are two mirror hole 71, the diameter in mirror hole 71 is greater than or equal in optical adjustment system
The outer diameter of outer lens barrel 1.For placing centre position pair of the two mirror holes 71 of optical adjustment system relative to virtual reality device
Claim setting, the distance between two mirror holes 71 should meet between the eyes of wearer in the zone of reasonableness of distance.Due to optics tune
Whole system needs entirely to run through rear shell 7, and in order to which rear shell 7 does not interfere with the installation of optical adjustment system, the diameter in mirror hole 71 should be big
In or equal to optical adjustment system outer lens barrel 1 diameter.But due to larger diameter, can increase mirror hole 71 and outer lens barrel 1 it
Between gap, so that dust is passed through gap and enter in cavity, influence the heat dissipation of electronic device, therefore the diameter in mirror hole 71 should not mistake
Greatly.Preferably, the diameter in mirror hole 71 is equal to the diameter of outer lens barrel 1.
Further, outer lens barrel 1 protrudes relative to rear shell 7 and is arranged, and outer lens barrel 1 is big relative to the height of projection of rear shell 7
In or equal to adjustment module 5 axial width.Due in technical solution provided by the present application, adjustment module 5 and outer lens barrel 1 it
Between be dismountable connection relation, only when high myopia or long sight wearer use virtual reality device, will just adjust mould
Group 5 is mounted on outer lens barrel 1, therefore, adjusts module 5 for the ease of installation and removal, outer lens barrel 1 should be protruded relative to rear shell 7
Setting, and the outer end face of outer lens barrel 1 protrude from 7 subject plane of rear shell height be greater than or equal to adjust module 5 thickness.It needs
It is noted that the thickness of adjustment module 5 designated herein refers in adjustment module 5, adjustment frame 52 is in the axial direction thereof
Maximum material size.Rear shell 7 is raised in by outer lens barrel 1 in the present embodiment, makes outer lens barrel 1 that there is enough peaces in hull outside
Space is filled, keeps adjustment module 5 more convenient during installation and removal.In addition, outer lens barrel 1 protrudes from rear shell 7, may be used also
So as to have longer focusing range between outer lens barrel 1 and inner lens cone 3, the wearer of different eyesight status is further adapted to.
Further, due to adjusting the connection between module 5 and outer lens barrel 1 described in technical solution provided by the present application
Mode is different, therefore for different connection types, the requirement for height that outer lens barrel 1 is raised in rear shell 7 is also different.For example, when adjusting
For when being threadedly coupled, outer lens barrel 1 is needed relative to the length shared by 7 raised thread region of rear shell between mould preparation group 5 and outer lens barrel 1
Degree；And when adjusting between module 5 and outer lens barrel 1 to snap connection, outer lens barrel 1 then at least needs convex relative to rear shell 7
Play the length of buckle 12.
By above technical scheme it is found that the application provides a kind of virtual reality device optical adjustment system, including it is nested in
Outer lens barrel 1 together and inner lens cone 3, and the adjustment module 5 that is removably attachable on 1 outboard end position of outer lens barrel.
In actual use, outer optical mirror slip 2 is fixed on outer lens barrel 1, and interior optical mirror slip 4 is fixed on inner lens cone 3, is shielded in virtual reality device
The picture shown on curtain is completed to be imaged before wearer by the collective effect of interior optical mirror slip 4 and outer optical mirror slip 2.Adjustment
Module 5 includes adjustment eyeglass 51 and adjustment frame 52, and in actual use, wearer selects suitable adjust according to own eyesight situation
Whole eyeglass 51, and among adjustment frame 52, then module 5 will be entirely adjusted on outer lens barrel 1, shielded with further adjustment
The image-forming range of curtain picture.Optical adjustment system provided by the present application can select suitable imaging mode as needed, make not
Wearer with eyesight status can watch clearly image by virtual reality device, solve traditional virtual reality and set
Standby can not be the problem of clear image is presented in the near-sighted user of presbyopic user or 700 degree or more.
In above example, the optical adjustment system is not only limited to virtual reality device, applies also for any head
Equipment is worn, and the helmet is specifically including but not limited to virtual reality device, augmented reality equipment, game station, movement
Computing device and other wearable computers etc..
Similar portion cross-reference between embodiment provided by the present application, specific implementation mode provided above is only
It is several examples under the total design of the application, does not constitute the restriction of the application protection domain.For those skilled in the art
For member, any other embodiment expanded without creative efforts according to application scheme all belongs to
In the protection domain of the application.
Claims (11)
1. a kind of virtual reality device optical adjustment system, which is characterized in that including：It is outer lens barrel (1), outer optical mirror slip (2), interior
Lens barrel (3), interior optical mirror slip (4) and adjustment module (5), wherein；
The outer lens barrel (1) and the inner lens cone (3) are to nest together columnar structured, and the outer optical mirror slip (2) is solid
It is scheduled on the outer lens barrel (1), the interior optical mirror slip (4) is fixed on the inner lens cone (3)；
The adjustment module (5) is detachably connected to one end on the outer lens barrel (1) close to the outer optical mirror slip (2).
2. optical adjustment system according to claim 1, which is characterized in that the adjustment module (5) includes adjustment eyeglass
(51) and the adjustment frame (52) for installing the adjustment eyeglass (51), the adjustment frame (52) are and the adjustment eyeglass
(51) cooperation is columnar structured, and the adjustment frame (52) is detachably connected on the outer lens barrel (1), close to the outer optics
One end of eyeglass (2).
3. optical adjustment system according to claim 2, which is characterized in that the inside of the adjustment frame (52) has ladder
Shape structure；
The adjustment frame (52) includes the limiting stand (53) and spacing ring (54) for fixing the adjustment eyeglass (51), the limit
Position platform (53) is located on the outside of the edge of the adjustment eyeglass (51), and the spacing ring (54) is located at the side of the adjustment eyeglass (51)
On the inside of edge；
It is clearance fit between the adjustment eyeglass (51) and the adjustment frame (52)；The spacing ring (54) and the adjustment frame
(52) it is interference fit between；
It is greater than or equal to the internal diameter of the inner lens cone (3) by the barrel bore that the limiting stand (53) is constituted；The spacing ring
(54) internal diameter is greater than or equal to the internal diameter of the inner lens cone (3).
4. optical adjustment system according to claim 3, which is characterized in that the limiting stand (53) includes and the adjustment
The contact surface (531) and the outer end face in described adjustment frame (52) outboard end being bonded on the outside of eyeglass (51) edge
(532)；
The adjustment eyeglass (51) is convex lens, the image-forming range for increasing the optical adjustment system, the contact surface
(531) it the distance between with the outer end face (532), is gradually reduced on the direction from edge to center.
5. optical adjustment system according to claim 3, which is characterized in that the limiting stand (53) includes and the adjustment
The contact surface (531) and the outer end face (532) on the outside of the adjustment frame (52) being bonded on the outside of eyeglass (51) edge；
The adjustment eyeglass (51) is concavees lens, the image-forming range for reducing the optical adjustment system, the contact surface
(531) the distance between with the outer end face (532), gradually increase on the direction from edge to center.
6. optical adjustment system according to claim 2, which is characterized in that the adjustment frame (52) is connected through a screw thread institute
It states outer lens barrel (1) or the adjustment frame (52) is connected by a snap the outer lens barrel (1).
7. optical adjustment system according to claim 6, which is characterized in that the outer lens barrel (1) is close to outer optical mirror slip
(2) outer wall of installation site is equipped with external screw thread (11)；
Inner wall of the adjustment frame (52) far from described adjustment eyeglass (51) installation site is equipped with outer with the outer lens barrel (1)
The internal thread (521) of screw-thread fit.
8. optical adjustment system according to claim 6, which is characterized in that the adjustment frame (52) is far from the adjustment mirror
The end face of piece (51) is equipped with multiple buckles (522)；
The outer lens barrel (1) is equipped with and the buckle (522) number on the outer wall of outer optical mirror slip (2) installation site
Measure identical card slot (12).
9. optical adjustment system according to claim 6, which is characterized in that the adjustment frame (52) is far from the adjustment mirror
The end face of piece (51) is equipped with multiple buckles (522)；
The outer lens barrel (1) is equipped with suitable with the buckle (522) on the outer wall of outer optical mirror slip (2) installation site
The annular groove (13) matched.
10. optical adjustment system according to claim 2, which is characterized in that the outer optical mirror slip (2) and the interior light
Eyeglass (4) is that side is plane, and the other side is the D-shaped lens structure of cambered surface；The adjustment eyeglass (51) is that side is plane,
The other side is the globoidal structure of convex or concave；
The planar side of the outer optical mirror slip (2), the interior optical mirror slip (4) and the adjustment eyeglass (51) is coated with anti-reflection
Film.
11. a kind of virtual reality device, which is characterized in that any one including front housing (6), rear shell (7) and claim 1-10
Optical adjustment system described in, wherein：
The front housing (6) is identical as the edge contour of the rear shell (7), and the front housing (6) connect formation with the rear shell (7) and uses
In the cavity for storing the optical adjustment system and electronic device；
It is set on the rear shell (7) there are two mirror hole (71), the diameter of the mirror hole (71) is greater than or equal to the pH effect system
The outer diameter of system China and foreign countries' lens barrel (1)；
The outer lens barrel (1) is protruded relative to the rear shell (7) to be arranged, and the outer lens barrel (1) is relative to the rear shell (7)
Height of projection is greater than or equal to the axial width of the adjustment module (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721912706.0U CN207676049U (en) | 2017-12-30 | 2017-12-30 | A kind of virtual reality device optical adjustment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721912706.0U CN207676049U (en) | 2017-12-30 | 2017-12-30 | A kind of virtual reality device optical adjustment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207676049U true CN207676049U (en) | 2018-07-31 |
Family
ID=62973087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721912706.0U Active CN207676049U (en) | 2017-12-30 | 2017-12-30 | A kind of virtual reality device optical adjustment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207676049U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108897137A (en) * | 2018-09-10 | 2018-11-27 | 深圳多哚新技术有限责任公司 | A kind of helmet |
| CN109947240A (en) * | 2019-01-28 | 2019-06-28 | 努比亚技术有限公司 | Display control method, terminal and computer readable storage medium |
| CN109991741A (en) * | 2017-12-30 | 2019-07-09 | 深圳多哚新技术有限责任公司 | A kind of virtual reality device optical adjustment system |
| CN113848647A (en) * | 2021-09-23 | 2021-12-28 | 歌尔光学科技有限公司 | VR camera lens module and VR head-mounted apparatus |
-
2017
- 2017-12-30 CN CN201721912706.0U patent/CN207676049U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109991741A (en) * | 2017-12-30 | 2019-07-09 | 深圳多哚新技术有限责任公司 | A kind of virtual reality device optical adjustment system |
| CN108897137A (en) * | 2018-09-10 | 2018-11-27 | 深圳多哚新技术有限责任公司 | A kind of helmet |
| CN109947240A (en) * | 2019-01-28 | 2019-06-28 | 努比亚技术有限公司 | Display control method, terminal and computer readable storage medium |
| CN113848647A (en) * | 2021-09-23 | 2021-12-28 | 歌尔光学科技有限公司 | VR camera lens module and VR head-mounted apparatus |
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