CN109254405A - Optical assembly of head-mounted equipment - Google Patents
Optical assembly of head-mounted equipment Download PDFInfo
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- CN109254405A CN109254405A CN201811283661.4A CN201811283661A CN109254405A CN 109254405 A CN109254405 A CN 109254405A CN 201811283661 A CN201811283661 A CN 201811283661A CN 109254405 A CN109254405 A CN 109254405A
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- outer lens
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- 230000003287 optical effect Effects 0.000 title claims abstract description 134
- 244000089409 Erythrina poeppigiana Species 0.000 claims description 7
- 235000009776 Rathbunia alamosensis Nutrition 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 6
- 241001442234 Cosa Species 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 15
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 1
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 1
- 241001330002 Bambuseae Species 0.000 abstract 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 1
- 239000011425 bamboo Substances 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 210000003128 head Anatomy 0.000 description 4
- 230000003190 augmentative effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 230000004438 eyesight Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Abstract
The application provides a head-mounted device optical assembly, including the cylinder focusing section of thick bamboo of outside-in nestification together in proper order, outer lens cone and inner lens cone, through the distance between optical lens and the outer optical lens in the mutual displacement adjustment between inner lens cone and the outer lens cone, implement the focusing. The outer lens barrel is provided with a plurality of focusing bar holes on the circumferential surface thereof, with the main shaft of the outer lens barrel as the center, and each focusing bar hole is arranged obliquely relative to the main shaft of the outer lens barrel. A sliding groove is formed in the inner wall of the focusing barrel, and a connecting piece with one end capable of moving in the sliding groove is arranged in the sliding groove; the other end of the connecting piece penetrates through the focusing bar hole to be connected with the outer wall of the inner lens cone so as to drive the inner lens cone to move in the outer lens cone when the focusing barrel is rotated. The optical assembly is coated outside the outer lens cone through the focusing barrel, and the focusing barrel blocks the focusing strip holes and other gaps, so that dust is prevented from entering the optical assembly, and the dustproof performance of the head-mounted device is improved.
Description
Technical field
This application involves virtual reality device technical field more particularly to a kind of helmet optical modules.
Background technique
Helmet refers to and is worn on user's head, the equipment that can send optical signalling to user's eyes, including virtual
Real (Virtual Reality, VR) equipment, augmented reality equipment, game station etc..Wherein, virtual reality device is because can
For wearer brings strong feeling of immersion and is widely current.Virtual reality device, such as VR glasses, built-in independent screen can be with
VR resource is presented to the right and left eyes of wearer, forms virtual reality imagery.Screen and wearer due to virtual reality device
The distance of glasses is close, therefore in order to which clearly image, the built-in such as patent No. in many virtual reality devices is presented
Optical module provided in technical solution disclosed in US20170017078B, for adjusting VR image.
Optical module used in virtual reality device, the optical mirror slip for generally comprising lens barrel and being mounted in lens barrel.
In actual use, the dust in environment is easy to enter in lens barrel by gap, and is adhered on eyeglass, blocks sight influence
Viewing effect.And for optical module used in some virtual reality equipment, there is focusing function, into the ash in lens barrel
Dirt can also impact focussing process.
Optical module generally passes through the hole being arranged on external lens barrel, to pass through focusing lever, and then adjusts the focal length of component.
Since hole is the through-hole on outer mirror barrel, external dust is easiest to enter the inside of optical module from hole.In order to have
There is dust-proof effect, the prior art, which generally passes through, shortens a hole length, and setting is bonded the convex in hole on internal lens barrel
Structure is entered with the dust outside stopping from nipple hole position.But shortening a hole length will result directly in the shortening of focussing distance, and
The protrusion part being arranged on internal lens barrel, making internal lens barrel, lesser mobile space is occupied originally, further shortens
Focussing distance.
Summary of the invention
This application provides a kind of helmet optical modules, caused by solving conventional optical components because of dust-proof effect
The short problem of focussing distance.
On the one hand, the application provides a kind of helmet optical module, comprising: interior optical mirror slip, outer optical mirror slip, focusing
Cylinder, outer lens barrel and inner lens cone；
The focusing drum, the outer lens barrel and the inner lens cone are the cylinder-shaped knot that successively ecto-entad nests together
Structure, the interior optical mirror slip are arranged on the inner lens cone, and the outer optical mirror slip is arranged on the outer lens barrel, to pass through
State being mutually shifted between inner lens cone and the outer lens barrel adjust between the interior optical mirror slip and the outer optical mirror slip away from
From；
On the periphery of the outer lens barrel, multiple focusing holes are provided with centered on the main shaft of the outer lens barrel, each
The focusing hole is arranged relative to the inclined main axes of the outer lens barrel；The inner wall of the focusing drum is equipped with sliding groove, described
At least one in interior optical mirror slip and the outer optical mirror slip reflects film plating layer with fractional transmission part, in the sliding groove
The connector that can be moved in the sliding groove equipped with one end；The other end of the connector connects institute through the focusing hole
The outer wall of inner lens cone is stated, to drive the inner lens cone to move in the outer lens barrel when rotating the focusing drum.
Optionally, the height of the inner lens cone is less than or equal to the one third of the height of the outer lens barrel.
Optionally, the position that the connector is contacted with the sliding groove and the focusing hole is cylindrical structure.
Optionally, the height of projection that the connector protrudes the outer lens barrel is greater than 0, less than or equal to the sliding groove
Depth.
Optionally, the end face of the focusing drum is equipped with multiple buckles, and the outer wall of the outer lens barrel is equipped with card slot；The card
Button makes the focusing drum be connected to the side of the outer lens barrel far from screen with card slot cooperation, and the buckle can be in the card
Sliding in slot, so that the focusing drum rotates on the outer lens barrel.
Optionally, the length of the card slot is greater than or equal to focusing hole length L × sinA, wherein A is the focusing item
The tilt angle in hole.
Optionally, be additionally provided at least one dust-proof protrusion on the end face of the focusing drum, the position of the dust-proof protrusion with
The position in the focusing hole is corresponding, makes the dust-proof protrusion in the focusing drum rotary course, covers institute always
State focusing hole.
Optionally, the height of the dust-proof protrusion is greater than or equal to the length L × cosA in the focusing hole；It is single described
The corresponding central angle of dust-proof protrusion, central angle corresponding to length L × sinA arc length more than or equal to the focusing hole.
Optionally, the end face of the focusing drum is equipped with a dust-proof protrusion；It is additionally provided on the periphery of the outer lens barrel
The dustproof sheet in multiple covering focusing holes；The dustproof sheet is covered in multiple focusing holes, not by described anti-
On the focusing nipple hole position of dirt protrusion covering.
Optionally, shifting part is additionally provided on the outer wall of the focusing drum, the length of the shifting part extends to described wear
The shell exterior of equipment, to rotate the focusing drum by the shifting part.
Optionally, the focusing drum is equipped with slide block far from the end face of screen side；The slide block protrusion setting exists
The periphery of the focusing drum and end face, to rotate the focusing drum by the slide block.
Optionally, the end face of the inner lens cone and the outer lens barrel has step structure；The interior optical mirror slip setting
In end face hierarchic structure of the inner lens cone close to screen side, the outer optical mirror slip is arranged in the outer lens barrel far from institute
It states in the end face hierarchic structure of screen side.
Optionally, the step structure on the outer lens barrel end face includes concordant with the end face of the outer lens barrel, and inwardly
The blocking platform of protrusion, and the connection fixed station for stopping platform；Edge of the outer optical mirror slip far from the screen side
Contact the side for stopping platform；The pressure ring of the fixed outer optical mirror slip, the pressure ring contact are additionally provided in the outer lens barrel
The outer optical mirror slip close to the edge of the screen side, the top surface or the outer lens barrel of the pressure ring and the fixed station
It is interference fit between inner wall.
Optionally, the outer wall of the inner lens cone be equipped with threaded hole, the connector be with the threaded hole attachment screw,
The focusing hole is ladder-like strip-shaped hole.
On the other hand, the application also provides a kind of helmet, comprising: front housing, rear shell and above-mentioned optical module；
Wherein, the front housing is identical as the edge contour of the rear shell, and the front housing connect to be formed and be used for the rear shell
Store the cavity of the optical module and electronic device；
It is set in the rear shell there are two mirror hole, one optical module of setting in each mirror hole, the rear shell
Bottom, which is equipped with, stirs slot, and the shifting part of the optical module stirs slot through described；The optical module protrusion is set to described
The end face in mirror hole is located at slide block except the mirror hole.
From the above technical scheme, the application provides a kind of helmet optical module, including successively ecto-entad is embedding
The cylinder-shaped focusing drum being nested together, outer lens barrel and inner lens cone, pass through being mutually shifted in adjustment between inner lens cone and outer lens barrel
The distance between optical mirror slip and outer optical mirror slip implement focusing.On the periphery of outer lens barrel, in addition centered on the main shaft of lens barrel
Multiple focusing holes are provided with, each focusing hole is arranged relative to the inclined main axes of outer lens barrel.The inner wall of focusing drum is equipped with
Sliding groove, the interior connector that can be moved in sliding groove equipped with one end of sliding groove；The other end of connector is through focusing Kong Lian
The outer wall of inner lens cone is connect, to drive inner lens cone to move in outer lens barrel when rotating focusing drum.The optical module passes through focusing
Cylinder is coated on except outer lens barrel, blocks focusing hole and other gaps with focusing drum, dust is avoided to enter inside optical module,
Improve the anti-dust performance of helmet.
Detailed description of the invention
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
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is a kind of structural schematic diagram of helmet optical module of the application；
Fig. 2 is the schematic cross-sectional view of the application optical module；
Fig. 3 is the positive structure diagram of the application optical module；
Fig. 4 is the schematic perspective view of the application focusing drum；
Fig. 5 is the positive structure diagram of the application focusing drum；
Fig. 6 is the structural schematic diagram of the outer lens barrel of the application；
Fig. 7 is the structural schematic diagram of the application inner lens cone；
Fig. 8 is a kind of structural schematic diagram of helmet of the application.
Specific embodiment
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.Implement described in following embodiment
Mode does not represent all embodiments consistent with the application.It is only and be described in detail in claims, the application
The example of the consistent system and method for some aspects.
In technical solution provided by the present application, the helmet refers to and is worn on user's head, can be to user's eyes
The equipment, including virtual reality device, augmented reality equipment, game station etc. of optical signalling are sent, the application is for the ease of retouching
It states, by taking virtual reality device as an example, such as VR glasses, describes the optical module.It should be understood that the head in this application
It wears equipment and is specifically including but not limited to virtual reality device, augmented reality equipment, game station, mobile computing device and other
Wearable computer etc..
Optical module is mounted between screen and wearer's face, the optical adjusting mechanism being made of multiple lens.Light
It learns component and is mainly used for the picture that will be shown on screen, by the refraction of lens, amplification is presented on wearer at the moment, makes wearer
The picture in screen still can be clearly watched when facial dimension screen is close.And optical module can also adjust screen
Image-forming range of the picture in human eye, to adapt to the wearer of different eyesight status.It should be noted that image-forming range herein
Refer to screen relative to the equivalent image-forming range between human eye, during actual wear, screen in virtual reality device with
Actual range between wearer's eye is fixed and invariable, and optical module to the adjustment of image-forming range generally by adjustment
The position of movable eyeglass in optical module so that the focal length of entire optical module be made to change, and then adjusts wearer and is seen
Observe the size and clarity of picture.
It should be noted that helmet optical module provided by the present application, including correspond respectively to wear this right and left eyes
Two parts, respectively the eyes of wearer provide corresponding picture, and the structure of two parts in left and right is identical.Therefore,
The application for convenience, only by taking a part in optical module as an example, in practical applications, in order to adapt to different pendants
Scene and complete machine installation method are worn, left and right two parts in optical module are it is also possible to there are part variation, but main structure is protected
It holds consistent.
It is a kind of structural schematic diagram of helmet optical module referring to Fig. 1.As shown in Figure 1, provided by the present application to wear
Equipment optical module, comprising: interior optical mirror slip 1, outer optical mirror slip 2, focusing drum 3, outer lens barrel 4 and inner lens cone 5.Wherein, interior
Optical mirror slip 1 and outer optical mirror slip 2 are transparent materials, such as glass, resin, manufactured convex lens, in order to reach better eyeglass
Installation effect, interior optical mirror slip 1 and outer optical mirror slip 2 in the application can use side for plane, and the other side is cambered surface, is cut
Face is the lens structure of D-shaped, wherein plane side is for contacting inner lens cone 5 or outer lens barrel 4.Weight is generated when in order to reduce imaging
Shadow, at least one in the interior optical mirror slip 1 and the outer optical mirror slip 2 reflect film plating layer with fractional transmission part.
In technical solution provided by the present application, as shown in Fig. 2, the focusing drum 3, the outer lens barrel 4 and the inner lens cone 5
It is nested together for successively ecto-entad columnar structured.Wherein, can occur mutually to turn between outer lens barrel 4 and inner lens cone 5
It is dynamic and mobile, during rotation and movement, to change distance of the inner lens cone 5 relative to screen 6.The interior optical mirror slip 1
It is arranged on the inner lens cone 5, the outer optical mirror slip 2 is arranged on the outer lens barrel 4, to pass through the inner lens cone 5 and institute
It states and is mutually shifted adjustment the distance between the interior optical mirror slip 1 and the outer optical mirror slip 2 between outer lens barrel 4.
In the section Example of the application, for the ease of fixed interior optical mirror slip 1 and outer optical mirror slip 2, the scope
The end face of cylinder 5 and the outer lens barrel 4 has step structure；The interior optical mirror slip 1 setting is in the inner lens cone 5 close to screen
In the end face hierarchic structure of 6 sides, end face of the outer lens barrel 4 far from 6 side of screen is arranged in the outer optical mirror slip 2
In hierarchic structure.It, can be by described if interior optical mirror slip 1 and outer optical mirror slip 2 are D-shaped eyeglass in the present embodiment
The step structure that the end face of inner lens cone 5 and the outer lens barrel 4 has contacts the plane of interior optical mirror slip 1 and outer optical mirror slip 2
Side, to keep the installation of interior optical mirror slip 1 and outer optical mirror slip 2 more stable, so as to keep hanging down with the sight of wearer
Directly, optimal bandwagon effect is obtained.
Further, the step structure on 4 end face of outer lens barrel includes concordant with the end face of the outer lens barrel 4, and
Inwardly protruded blocking platform 44, and the connection fixed station 45 for stopping platform 44.In the present embodiment, the outer optical mirror slip 2
Stop the side of platform 44 described in EDGE CONTACT far from 6 side of screen；The fixed outer light is additionally provided in the outer lens barrel 4
The pressure ring 46 of eyeglass 2 is learned, the pressure ring 46 contacts the outer optical mirror slip 2 close to the edge of 6 side of screen, the pressure ring
46 and the fixed station 45 top surface or the outer lens barrel 4 inner wall between for interference fit.By setting blocking platform 44 and admittedly
Determine platform 45, can use and platform 44 is stopped to contact the outer ledge of outer optical mirror slip 2, to be that platform 44 is stopped to block outer optical mirror slip
Contact position between 2 and outer lens barrel 3, avoid between outer optical mirror slip 2 and the inner wall of outer lens barrel 3 generate can make dust into
The gap entered.
Such as Fig. 3, shown in Fig. 6, on the periphery of the outer lens barrel 4, it is provided with centered on the main shaft of the outer lens barrel 4 more
A focusing hole 41, each focusing hole 41 are arranged relative to the inclined main axes of the outer lens barrel 4.Skill provided by the present application
In art scheme, focusing hole 41 is for providing focusing space, therefore the length in focusing hole 41 and inclined degree directly affect tune
Burnt range, in order to maintain the stabilization of focussing process, the multiple focusing holes 41 being arranged on the outer lens barrel 4 can be uniform point
Cloth, and the setting position in multiple focusing holes 41 is consistent, and the distance such as both ends apart from outer 4 edge of lens barrel is identical, inclination side
To also identical.The inner wall of the focusing drum 3 is equipped with sliding groove 31, the inclination side in the focusing hole 41 and the sliding groove 31
To connector 32 that is consistent, being moved in the sliding groove 31 in the sliding groove 31 equipped with one end；The connector 32
The other end connects the outer wall of the inner lens cone 5 through the focusing hole 41, with when rotating the focusing drum 3, described in drive
Inner lens cone 5 moves in the outer lens barrel 4.It preferably, can be equal on the outer lens barrel 4 in the section Example of the application
Three focusing holes 41 of even setting, it is each focusing hole 41 in have connection inner lens cone 5 connector 32, to maintain scope
Stabilization of the cylinder 5 in focussing process.
From the above technical scheme, optical module provided by the present application by rotation in practical application, can be focused
Cylinder 3, slides connector 32 in sliding groove 31 close to the one end in outside, and is limited by hole 41 of focusing on outer diameter cylinder 4,
Connector 32 can be moved along the direction in focusing hole 41, since focusing hole 41 is to be obliquely installed relative to outer lens barrel 4,
Connector 32 focus a hole 41 in moved when, can change between connector 32 and screen 6 or outer optical mirror slip 2 away from
From achieving the effect that focusing.Relative to traditional optical module, technical solution provided by the present application increases focusing drum 3, thus
Entire optical module can be made to maintain in a generally cylindrical structure, user is facilitated to carry out the adjusting of focal length.Also,
It is arranged on the outer wall of outer lens barrel 4 due to focusing drum 3, the seam on focusing hole 41 can be blocked by the cylindrical wall of focusing drum 3
Gap improves optics so that the dust in external environment be avoided to enter the inside of optical module by the gap in a hole 41 of focusing
The anti-dust performance of component.
Further, since can ensure that optical module is whole by focusing drum 3 in technical solution provided by the present application and prevent
Dirt performance, therefore focusing item may not necessarily be blocked and stopper projection is set on inner lens cone 5 as traditional focusing component
Hole 41, i.e., in this application, the height (or thickness) of inner lens cone 5 can be set it is smaller, as long as the end of inner lens cone 5 can pacify
Optical mirror slip 1 in filling, and the outside of inner lens cone 5 is capable of fixing the connector 32.Further, the inner lens cone 5
Height be less than or equal to the outer lens barrel 4 height one third.Lesser 5 height of inner lens cone can greatly increase focal length
Adjustable range, so that optical module is can adapt to the vision condition of more people, keep application range more extensive.
In order to obtain more stable focus effect and good reciprocating movement performance, in the section Example of the application
In, the position that the connector 32 is contacted with the sliding groove 31 and the focusing hole 41 is cylindrical structure.Connector
32 one end can be set to cylindrical structure, so that the circumferential side wall of connector 32 can be made to contact focusing in focussing process
The side wall in hole 41 and sliding groove 31, reduces the contact area of contact portion, the frictional force between smaller contact surface makes to slide relatively
It moves more flexible.The structure that the other end of the connector 32 can be convenient for being fixed between inner lens cone 5, for example, screw thread
Connection structure, riveted structure, interference fit etc..Further, as shown in fig. 7, the outer wall of the inner lens cone 5 is equipped with threaded hole
51, the connector 32 be with 51 attachment screw of threaded hole, the focusing hole 41 be ladder-like strip-shaped hole.I.e. in this reality
It applies in example, connector 32 can be screw, and the threaded portion of screw screws in the threaded hole 51 on inner lens cone 5, to reach fixed
Purpose.The nut portion of screw is arranged in sliding groove 31, i.e., nut as on connector 32 with the sliding groove 31 and institute
The part that focusing hole 41 contacts is stated, to be moved.
Further, the height of projection that the connector 32 protrudes the outer lens barrel 4 is greater than 0, is less than or equal to the cunning
The depth of dynamic slot 31.In the present embodiment, it is intended to reach the position of change connector 32 by rotating focusing drum 3, need to guarantees sliding groove
31 side wall can touch connector 32, therefore connector 32 will run through the circumferential wall of outer lens barrel 4, i.e., through focusing hole
41.The depth that the height of projection that connector 32 protrudes the outer lens barrel 4 is less than or equal to sliding groove 31 can guarantee connector 32
Contact portion can be slided in sliding groove 31.
In practical application, outer lens barrel 4 is fixed on the screen support plate of helmet, or is fixed on the shell, epi mirror
In focussing process, position remains unchanged cylinder 4.It therefore, can be by the way that protrusion and slideway be arranged between focusing drum 3 and outer lens barrel 4
Structure realizes rotation of the focusing drum 3 on outer lens barrel 4, and the rotation of focusing drum 3 can also be realized by setting card slot and slideway.
Since optical module provided by the present application is applied to helmet, overall weight should be reduced as far as possible, therefore can preferably pass through
The mode of card slot and slideway realizes the rotation of focusing drum 3, i.e., in the section Example of the application, as shown in figure 4, the focusing
The end face of cylinder 3 is equipped with multiple buckles 33, and the outer wall of the outer lens barrel 4 is equipped with card slot 42；The buckle 33 and the card slot 42
Cooperation makes the focusing drum 3 be connected to the side of the outer lens barrel 4 far from screen 6, and the buckle 33 can be in the card slot 42
Sliding, so that the focusing drum 3 rotates on the outer lens barrel 4.
Further, the length of the card slot 42 is greater than or equal to focusing 41 length L × sinA of hole, wherein A is described
The tilt angle in focusing hole 41.In practical application, the length of card slot 42 will can satisfy whole focus adjustment amounts, that is, focus
The rotation distance of cylinder 3 is wanted, and can be connector 32 move to the other end from the one end in focusing hole 41.Also, since card slot 42 is flat
Row is in the end face of outer lens barrel 4, and a hole 41 of focusing is arranged relative to the end slope of outer lens barrel 4, therefore in the present embodiment, makes
The length of card slot 42 is greater than or equal to focusing 41 length L × sinA of hole, and focusing drum 3 can be made to have enough amount of spin, with
Meet the required distance of focusing.
In the section Example of the application, as shown in Figure 4, Figure 5, at least one is additionally provided on the end face of the focusing drum 3
A dust-proof raised 34, dust-proof raised 34 position is corresponding with the focusing position in hole 41, makes the dust-proof protrusion
34 in 3 rotary course of focusing drum, covers the focusing hole 41 always.Dust-proof raised 34 can on the one hand can be with
For opening up sliding groove 31 on the focusing drum 3, by the movement for being converted into connector 32 of focusing drum 3；Another party
Face, dust-proof raised 34 can be when rotating focusing drum 3, and the hole 41 of covering focusing always is easy so that focusing hole 41 be avoided to generate
Into the gap of dust.In the present embodiment, by setting dust-proof raised 34, the material utilization amount of focusing drum 3 can be further decreased,
The weight for mitigating focusing drum 3 obtains better anti-dust performance under the premise of guaranteeing frivolous.
In order to make dust-proof raised 34 during rotating with focusing drum 3, the entire focusing hole of covering is remained
41, in the example of the application, dust-proof raised 34 height be greater than or equal to the length L in the focusing hole 41 ×
cosA.Wherein, dust-proof raised 34 height refers to dust-proof raised 34 distance relative to the head face hump of the focusing drum 3.And
And the single dust-proof raised 34 corresponding central angle, more than or equal to length L × sinA arc length institute in the focusing hole 41
Corresponding central angle.
In the section Example of the application, the end face of the focusing drum 3 is equipped with one dust-proof raised 34；The epi mirror
The dustproof sheet 43 in multiple coverings focusing hole 41 is additionally provided on the periphery of cylinder 4；The dustproof sheet 43 is covered on multiple institutes
It states in focusing hole 41, not by 41 position of focusing hole of dust-proof raised 34 covering.It, can be in the present embodiment
Three focusing holes 41 are set on outer lens barrel 4, has one in three focusing holes 41 as focusing hole, that is, is equipped with through focusing
Hole 41 simultaneously enters the connector 32 in sliding groove 31, for driving inner lens cone 5 to slide and rotation, other two focusing hole 41
For positioning, endoscope cylinder 5 is slided and is rotated, and in two focusing holes 41 for synkinesia, can only be set
Have into the auxiliary circle mast in focusing hole 41, to realize auxiliary positioning.It, can be in order to improve the anti-dust performance of optical module
Dustproof sheet 43 is set on two focusing holes 41 for synkinesia, to block the dust in external environment to enter.
Helmet needs to rotate focusing drum 3 manually during wearing, to complete focusing movement, but entire optics group
The interior of shell of helmet is often arranged in part, and wearer is inconvenient directly to rotate focusing drum 3, therefore, for the ease of implementing
Focusing movement, in the section Example of the application, is additionally provided with shifting part 35, the shifting part on the outer wall of the focusing drum 3
35 length extends to the shell exterior of the helmet, to rotate the focusing drum 3 by the shifting part 35.
Further, the focusing drum 3 is equipped with slide block 36 far from the end face of 6 side of screen；The slide block 36 is convex
Periphery and the end face that the focusing drum 3 is set are acted, to rotate the focusing drum 3 by the slide block 36.The present embodiment
In, on the other hand on the one hand slide block 36 can implement focus adjustment movement with supplementary tumbler part 35 it is current to can be also used for positioning
The location of inner lens cone 5, so as to will correspond respectively to wearer's right and left eyes two optical modules Focussing identical
Or in close range, focusing movement is completed convenient for wearer.
Based on above-mentioned optical module, the application also provides a kind of helmet using above-mentioned optical module, such as Fig. 8 institute
Show, the helmet includes: front housing 71, rear shell 72 and above-mentioned optical module；
Wherein, the front housing 71 is identical as the edge contour of the rear shell 72, and the front housing 71 is connect with the rear shell 72
Form the cavity for storing the optical module and electronic device.In helmet provided by the present application, optical module is used
Screen 6 shows the imaging of picture in adjustment helmet, allows a wearer to the content in close-ups into picture；Electricity
Sub- device refers to the device by image resource conversion at vision signal, mainly includes screen 6, display driving part, controller, side
The sensor etc. that level sensor, signal transmission component and auxiliary are worn is made virtually existing by the cooperating between all parts
The real corresponding VR resource of equipment demonstration.
It is set in the rear shell 72 there are two mirror hole 73, each 73 one optical module of interior setting of mirror hole, it is described
The bottom of rear shell 72, which is equipped with, stirs slot 74, and the shifting part 35 of the optical module stirs slot 74 through described；The optical module
Protrusion is set to the end face in the mirror hole 73, is located at slide block 36 except the mirror hole 73.Technical solution provided by the present application
In, optical module can be mounted in the cavity between front housing 71 and rear shell 72, and optical module is made to be raised in rear shell 72.It is logical
It crosses optical module and is raised in rear shell 72, can make focusing drum 3 that there is enough installation spaces in hull outside, convenient for rotation focusing
Cylinder 3, and keep entire optical module more convenient during installation and removal.
It should be noted that numerical value disclosed in the embodiment of the present application, including it is equal apart from accounting, width ratio and thickness ratio etc.
To illustrate the size relationship between each component, in practical applications, other numerical value are also can be used in the size of each component, wherein
When the size of one component changes, the size of other parts also changes, and the numerical value after specific variation, the application is no longer
It repeats, can be accordingly calculated according to proportionate relationship disclosed herein.
From the above technical scheme, the application provides a kind of helmet optical module, including successively ecto-entad is embedding
The cylinder-shaped focusing drum 3 being nested together, outer lens barrel 4 and inner lens cone 5, by being mutually shifted tune between inner lens cone 5 and outer lens barrel 4
The distance between whole interior optical mirror slip 1 and outer optical mirror slip 2 implement focusing.On the periphery of outer lens barrel 4, the master of lens barrel 4 in addition
Multiple focusing holes 41 are provided with centered on axis, each focusing hole 41 is arranged relative to the inclined main axes of outer lens barrel 4.Focusing drum
3 inner wall is equipped with sliding groove 31, the connector 32 that can be moved in sliding groove 31 in sliding groove 31 equipped with one end；Connector 32
The other end outer wall of inner lens cone 5 is connected through focusing hole 41, with when rotate focusing drum 3, drive inner lens cone 5 is in outer lens barrel
It is moved in 4.The optical module is coated on except outer lens barrel 4 by focusing drum 3, with focusing drum 3 block focusing hole 41 and
Other gaps, avoid dust from entering inside optical module, improve the anti-dust performance of helmet.
Similar portion cross-reference between embodiment provided by the present application, specific embodiment provided above is only
It is several examples under the total design of the application, does not constitute the restriction of the application protection scope.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 scope of the application.
Claims (10)
1. a kind of helmet optical module characterized by comprising interior optical mirror slip (1), outer optical mirror slip (2), focusing drum
(3), outer lens barrel (4) and inner lens cone (5)；
The focusing drum (3), the outer lens barrel (4) and the inner lens cone (5) are the cylinder that successively ecto-entad nests together
Shape structure, the interior optical mirror slip (1) are arranged on the inner lens cone (5), and the outer optical mirror slip (2) is arranged in the epi mirror
On cylinder (4), by being mutually shifted the adjustment interior optical mirror slip (1) between the inner lens cone (5) and the outer lens barrel (4)
The distance between described outer optical mirror slip (2)；
On the periphery of the outer lens barrel (4), multiple focusing holes are provided with centered on the main shaft of the outer lens barrel (4)
(41), each focusing hole (41) is arranged relative to the inclined main axes of the outer lens barrel (4)；The focusing drum (3) it is interior
Wall is equipped with sliding groove (31), at least one in the interior optical mirror slip (1) and the outer optical mirror slip (2) has part thoroughly
Penetrate part reflection film plating layer, the connector that can be moved in the sliding groove (31) in the sliding groove (31) equipped with one end
(32)；The other end of the connector (32) connects the outer wall of the inner lens cone (5) through focusing hole (41), to revolve
When turning focusing drum (3), the inner lens cone (5) is driven to move in the outer lens barrel (4).
2. helmet optical module according to claim 1, which is characterized in that the height of the inner lens cone (5) is less than
Or it is equal to the one third of the height of the outer lens barrel (4).
3. helmet optical module according to claim 1, which is characterized in that the connector (32) and the sliding
The position of slot (31) and focusing hole (41) contact is cylindrical structure.
4. helmet optical module according to claim 1, which is characterized in that connector (32) protrusion is described outer
The height of projection of lens barrel (4) is greater than 0, is less than or equal to the depth of the sliding groove (31).
5. helmet optical module according to claim 1, which is characterized in that the end face of the focusing drum (3) is equipped with
The outer wall of multiple buckles (33), the outer lens barrel (4) is equipped with card slot (42)；The buckle (33) and the card slot (42) cooperate
The focusing drum (3) is set to be connected to the side of the outer lens barrel (4) separate screen (6), the buckle (33) can be in the card slot
(42) sliding in, so that the focusing drum (3) rotates on the outer lens barrel (4).
6. helmet optical module according to claim 5, which is characterized in that the length of the card slot (42) be greater than or
Equal to focusing hole (41) length L × sinA, wherein A is the tilt angle of focusing hole (41).
7. helmet optical module according to claim 1, which is characterized in that on the end face of the focusing drum (3) also
Equipped at least one dust-proof raised (34), the position of dust-proof raised (34) is opposite with the focusing position of hole (41)
It answers, makes dust-proof raised (34) in the focusing drum (3) rotary course, cover the focusing hole (41) always.
8. helmet optical module according to claim 7, which is characterized in that the height of dust-proof raised (34) is big
In or be equal to it is described focusing hole (41) length L × cosA；Single dust-proof raised (34) corresponding central angle, be greater than or
Central angle corresponding to length L × sinA arc length equal to focusing hole (41).
9. helmet optical module according to claim 7, which is characterized in that set on the end face of the focusing drum (3)
There is one dust-proof raised (34)；The anti-of multiple coverings focusing hole (41) is additionally provided on the periphery of the outer lens barrel (4)
Dirt piece (43)；The dustproof sheet (43) is covered in multiple focusing holes (41), is not covered by dust-proof raised (34)
On focusing hole (41) position of lid.
10. a kind of helmet characterized by comprising any one of front housing (71), rear shell (72) and claim 1-9 institute
The optical module stated；
Wherein, the front housing (71) is identical as the edge contour of the rear shell (72), the front housing (71) and the rear shell (72)
Connection forms the cavity for storing the optical module and electronic device；
It is set on the rear shell (72) there are two mirror hole (73), each mirror hole (73) is interior to be arranged an optical module, institute
The bottom for stating rear shell (72), which is equipped with, stirs slot (74), and the shifting part (35) of the optical module stirs slot (74) through described；Institute
The end face that optical module protrusion is set to the mirror hole (73) is stated, is located at slide block (36) except the mirror hole (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811283661.4A CN109254405A (en) | 2018-10-31 | 2018-10-31 | Optical assembly of head-mounted equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811283661.4A CN109254405A (en) | 2018-10-31 | 2018-10-31 | Optical assembly of head-mounted equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109254405A true CN109254405A (en) | 2019-01-22 |
Family
ID=65044201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811283661.4A Pending CN109254405A (en) | 2018-10-31 | 2018-10-31 | Optical assembly of head-mounted equipment |
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| Country | Link |
|---|---|
| CN (1) | CN109254405A (en) |
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| CN110646912A (en) * | 2019-09-26 | 2020-01-03 | 华为技术有限公司 | Lens module and virtual reality equipment |
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| CN110646912A (en) * | 2019-09-26 | 2020-01-03 | 华为技术有限公司 | Lens module and virtual reality equipment |
| WO2021057205A1 (en) * | 2019-09-26 | 2021-04-01 | 华为技术有限公司 | Lens module and virtual reality device |
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Application publication date: 20190122 |