CN207123656U - A kind of augmented reality helmet and its optics module for being adapted to mobile phone - Google Patents
A kind of augmented reality helmet and its optics module for being adapted to mobile phone Download PDFInfo
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- CN207123656U CN207123656U CN201720471452.7U CN201720471452U CN207123656U CN 207123656 U CN207123656 U CN 207123656U CN 201720471452 U CN201720471452 U CN 201720471452U CN 207123656 U CN207123656 U CN 207123656U
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- mobile phone
- augmented reality
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Abstract
The utility model discloses a kind of augmented reality helmet and its optics module for being adapted to mobile phone, the optics module includes：The toroidal lens and planar lens being oppositely arranged；First optical image information of the display screen outgoing of the mobile phone reflexes to the toroidal lens by the planar lens, then reflexes to the planar lens by the toroidal lens, then is emitted through the planar lens；The second optical image information from object scene is emitted after passing through the toroidal lens and the planar lens successively；First optical image information and second optical image information by planar lens outgoing form superimposed image.It can be seen that augmented reality image, which can be achieved, by a toroidal lens and a planar lens in the optics module of technical solutions of the utility model shows that optics module is simple in construction, low manufacture cost, it is easy to Intelligent worn device to use and popularize.
Description
Technical field
Intelligence wearing technical field of electronic equipment is the utility model is related to, in particular, is related to a kind of adaptation mobile phone
Augmented reality helmet and its optics module.
Background technology
With the continuous development of scientific technology, increasing display device is widely used in daily life
And among work, huge facility is brought for daily life and work, it is indispensable to turn into current people
Important tool.
Wear display device be generally divided into AR equipment (augmented reality equipment) and VR equipment (virtual reality device) and
MR equipment (mixed display equipment) etc..Wherein, AR equipment principles are that human eye both can obtain the scene information of real world simultaneously
Also the image information that display screen is shown is obtained, the image information in two paths merges at human eye, forms superimposed image.
Existing to wear in display device, in order to realize that augmented reality is shown, conventionally used optics module is divided into two kinds
Form：Fiber waveguide form and free curved surface prism form two ways.The optics module of both forms is complicated, makes
Cost is high, is not easy to wear the use and popularization of display device.
Utility model content
In order to solve the above problems, technical solutions of the utility model provide a kind of augmented reality for being adapted to mobile phone and wear and set
Standby and its optics module, optics module only have a toroidal lens and a planar lens, you can realize that augmented reality image shows
Show, optics module is simple in construction, low manufacture cost, is easy to wear display device use and popularization.
To achieve these goals, the utility model provides following technical scheme：
A kind of optics module, for being adapted to the augmented reality helmet of mobile phone, the optics module includes：It is oppositely arranged
Toroidal lens and planar lens；
First optical image information of the display screen outgoing of the mobile phone reflexes to the curved surface by the planar lens
Lens, then the planar lens is reflexed to by the toroidal lens, then be emitted through the planar lens；From object scene
The second optical image information successively through being emitted after the toroidal lens and the planar lens；
First optical image information and the second optical image information shape by planar lens outgoing
Into superimposed image.
Preferably, in above-mentioned optics module, the toroidal lens has the concave surface being oppositely arranged and nonreentrant surface；Institute
Stating concave surface and the nonreentrant surface has identical radius of curvature；
The planar lens has the first plane and the second plane that are oppositely arranged, and first plane is towards the song
The concave surface of face lens.
Preferably, in above-mentioned optics module, the concave surface and nonreentrant surface are sphere.
Preferably, in above-mentioned optics module, the optical axis of the toroidal lens is parallel to a reference planes；The plane is saturating
Mirror intersects with the reference planes, and the two angle is not equal to 90 °；
Wherein, the display screen of the mobile phone is parallel to the reference planes.
Preferably, in above-mentioned optics module, the planar lens has 45 ° of angle with the reference planes.
Preferably, in above-mentioned optics module, the concave surface is covered covered with the first part reflective semitransparent film, first plane
It is stamped the second part reflective semitransparent film.
Preferably, in above-mentioned optics module, the length of the display screen of the mobile phone is L, and the simple eye angle of visual field is α；It is described
The distance of the display screen of the optical axis of toroidal lens and the intersection point of first plane to the mobile phone is d3, the intersection point with it is described
The distance of nonreentrant surface is d2；
Wherein,
Preferably, in above-mentioned optics module, the intersection point of the optical axis of the toroidal lens and first plane with it is described
The distance of the display screen of mobile phone is d3, the distance of the intersection point and the nonreentrant surface is d2；
The effective focal length of the optics module is equal to d3+d2。
Preferably, in above-mentioned optics module, in addition to：
Cover the antireflective film of second plane.
The utility model additionally provides a kind of augmented reality helmet for being adapted to mobile phone, the augmented reality helmet
Including：
Helmet main body, the helmet main body are used for the head that the augmented reality helmet is fixed on to user
Portion's predeterminated position；The helmet main body has the fixing device of the mobile phone for placing；
The the first eyeglass module and the second eyeglass module being arranged in the helmet main body, the first eyeglass mould
Group and the second eyeglass module include the optics module described in any of the above-described；
Wherein, when carrying out the display of augmented reality image, the display screen of the mobile phone is divided into two viewing areas, to carry out
Split screen display available, two viewing areas show the first optical image information；The first optical imagery letter of one viewing area outgoing
The optics module for the incident first eyeglass module is ceased, the first optical image information of another viewing area outgoing is used for
The optics module of the incident second eyeglass module.
Preferably, in above-mentioned augmented reality helmet, the optical axis of the toroidal lens is parallel to the reference planes；
The display screen of the mobile phone is set parallel to the reference planes, and towards the optical axis.
By foregoing description, the augmented reality helmet for the adaptation mobile phone that technical solutions of the utility model provide and
In its optics module, optics module can be achieved augmented reality image by a toroidal lens and a planar lens and show have
Body, it is saturating that the first optical image information of the display screen of mobile phone outgoing by the planar lens reflexes to the curved surface
Mirror, then the planar lens is reflexed to by the toroidal lens, then be emitted through the planar lens；From object scene
Second optical image information is emitted after passing through the toroidal lens and the planar lens successively.Augmented reality image is carried out to show
When showing, first optical image information and second optical image information by planar lens outgoing are formed
Superimposed image shows user.It can be seen that optics module is simple in construction described in technical solutions of the utility model, low manufacture cost,
It is easy to wear display device use and popularization.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing of offer.
Fig. 1 is a kind of structural representation for optics module that the utility model embodiment provides；
Fig. 2 is the design principle schematic diagram for the optics module that the utility model embodiment provides；
Fig. 3 is a kind of curve image of the modulation transfer function for optics module that the utility model embodiment provides；
Fig. 4 is a kind of structural representation of the augmented reality helmet for adaptation mobile phone that the utility model embodiment provides
Figure.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings and tool
Body embodiment is described in further detail to the utility model.
With reference to figure 1, a kind of structural representation for optics module that Fig. 1 provides for the utility model embodiment, the optical mode
Group is used for the augmented reality helmet for being adapted to mobile phone, and the optics module includes：The toroidal lens 2 and plane being oppositely arranged are saturating
Mirror 3.
First optical image information of the display screen outgoing of the mobile phone 1 reflexes to the song by the planar lens 3
Face lens 2, then the planar lens 3 is reflexed to by the toroidal lens 2, then be emitted through the planar lens 3；From mesh
Second optical image information of mark scenery is emitted after passing through the toroidal lens 2 and the planar lens 3 successively.
Wherein, when carrying out the display of augmented reality image, first optical imagery by the planar lens 3 outgoing is believed
Breath and second optical image information form superimposed image and show user.
It can be seen that in optics module described in the utility model embodiment, there are two light paths, be respectively used for transmitting mobile phone 1
The first optical image information and the second optical image information of the object scene of real world that display screen is shown.Two light paths
The first optical image information and the second optical image information of middle propagation are emitted by the planar lens 3, to show
User.
By foregoing description, optics module described in the utility model embodiment is only flat with a toroidal lens and one
Face lens, you can realize that augmented reality image shows that optics module is simple in construction, low manufacture cost, be easy to Intelligent worn device
Using and popularization.
As shown in figure 1, the toroidal lens 2 has the concave surface 212 being oppositely arranged and nonreentrant surface 211；The plane
Lens 3 have the first plane 311 and the second plane 312 being oppositely arranged.First plane 311 is towards the toroidal lens
2 concave surface 212.
The concave surface 212 has identical radius of curvature with the nonreentrant surface 211, as the two can be sphere.Institute
The optical axis of toroidal lens 2 is stated parallel to a reference planes P1；The concave surface 212 is covered with the first part reflective semitransparent film.In Fig. 1 not
First part reflective semitransparent film is shown.First plane 311 is covered with the second part reflective semitransparent film；Second part reflective semitransparent film
Towards first part reflective semitransparent film, and towards the display screen of the mobile phone 1；The planar lens 3 and the reference planes P1
It is intersecting, and the two angle is not equal to 90 °, specifically, setting the planar lens 3 with the reference planes P1 with 45 ° of folder
Angle.Second part reflective semitransparent film not shown in Fig. 1.Wherein, the display screen of the mobile phone 1 is parallel to the reference planes P1.
As described above, optics module described in the utility model embodiment has two light paths, the display screen of mobile phone 1 show
One optical image information pass through light path be：First plane 311- concave surfaces 212- the first plane 311- the second plane 312- human eyes
4；The light path that second optical image information of object scene passes through is：Nonreentrant surface 211- concave surfaces the first planes of 212- 311- second
Plane 312- human eyes 4.
In order that the optics module manufacture craft it is simple, low manufacture cost, in the utility model embodiment, set
The concave surface 212 and nonreentrant surface 211 are sphere.Meanwhile the toroidal lens can be prepared using transparent plastic material
2, it is easy to the plastotype of toroidal lens 2.
Strong reflection is produced in order to avoid the second plane 312 of planar lens 3, causes dazzling sense, influences the vision body of user
Test, the optics module also includes：Cover the antireflective film of second plane 312.The antireflective film not shown in Fig. 1.
With reference to figure 2, Fig. 2 puies forward the design principle schematic diagram of the optics module, the plane for the utility model embodiment
The lens 3 and reference planes P1 has 45 ° of angle β.The optical axis of toroidal lens 2 is parallel with reference planes P1, bent in Fig. 2
The optical axis of face lens 2 is located in reference planes P1.So, it is easy to the fixed peace of the relative position of toroidal lens 2 and planar lens 3
Dress.
When carrying out augmented reality display, the display screen of mobile phone 1 and the relative position of the optics module are fixed, mobile phone 1
Display screen parallel to the reference planes P1.In three-dimensional cartesian coordinate system O-XYZ, the reference planes P1 is put down parallel to XY
Face, the positive direction that mobile phone 1 is pointed to for planar lens 3 of Z axis.
The length of the display screen of the mobile phone 1 is set as L, i.e. length of the display screen in Y direction.Y-axis is perpendicular to described
The optical axis of toroidal lens 2.The simple eye angle of visual field is set as α；The optical axis of the toroidal lens 2 and the intersection point of first plane 311
Distance to the display screen of the mobile phone is d3, the distance of the intersection point to the nonreentrant surface 211 is d2.Set the second plane 312
Distance to human eye is d1。
The simple eye angle of visual field is that α is known parameters, can be set according to demand.α=45 ° can such as be set.L、α、d3And d2
Meet formula (1), formula (1) is：
The effective focal length of the optics module is set as EFL, then effective focal length is formula (2) shown in EFL such as formula (2)
For：
EFL=d3+d2 (2)
Relative position based on above-mentioned formula (1) and the formula (2) arrangement toroidal lens 2, planar lens 3 and mobile phone
Relation, it is easy to the layout of three's relative position relation.
It should be noted that both members are not absolute relation of equality in above-mentioned formula (1) and the formula (2), permit
Perhaps it is no more than 1mm error.
When using the display screen length of mobile phone 1 for 104mm, simple eye viewing area length is 52mm.Define simple eye visual field
Angle α=45 °, d1=52mm, d2=30mm, d3=32mm.EFL=62mm can be calculated.The size of the toroidal lens 2
For 64mm × 46mm × 2mm, that is to say, that length of the toroidal lens 2 in Y-axis is 64mm, is 46mm in the width of Z axis, in X
The thickness of axle is 2mm；The size of the planar lens 3 is 64mm × 63mm × 2mm, that is to say, that the planar lens 3 is in Y
Length on axle is 64mm, is 63mm in the width of Z axis, is 2mm in the thickness of X-axis.The concave surface 212 and convex table are set
The radius of curvature in face 211 is 124mm.The optics module based on above-mentioned parameter, the curve of its modulation transfer function (MTF)
Image is as shown in Figure 3.
With reference to figure 3, Fig. 3 is a kind of curve map of the modulation transfer function for optics module that the utility model embodiment provides
Picture.In Fig. 3, transverse axis represents spatial frequency (the SPATIAL FREQUENCY IN CYCLES PER in every millimeter of cycle
MILLIMETER), unit is lp/mm (line right/millimeter)；The longitudinal axis represents mould (the MODULUS OF THE of optical transfer function
OTF), the longitudinal axis represents that the mould of optical transfer function is normalized value, dimensionless.
In Fig. 3, T represents meridian direction in optics module, and S represents that the sagitta of arc in optics module is reverse.DEG represents angle list
Position degree (°).As seen in Figure 3, the optics module central area of the display screen of mobile phone can be obtained it is good into
As effect, edge effect are slightly poor.
By foregoing description, in optics module described in the utility model embodiment, only with a toroidal lens and
One planar lens, you can realize that augmented reality image shows that optics module is simple in construction, low manufacture cost, be easy to intelligent wearing
Equipment uses and popularization.
Based on above-mentioned optics module embodiment, another embodiment of the utility model additionally provides a kind of enhancing for being adapted to mobile phone
Real helmet, the augmented reality helmet of the adaptation mobile phone are as shown in Figure 4.
With reference to figure 4, Fig. 4 is a kind of knot of the augmented reality helmet for adaptation mobile phone that the utility model embodiment provides
Structure schematic diagram, the augmented reality helmet of the adaptation mobile phone include：Helmet main body 41；It is arranged on the helmet master
The first eyeglass module 42 and the second eyeglass module 43 on body 41.
The helmet main body 41 is used for the head predeterminated position that the augmented reality helmet is fixed on to user,
The helmet main body 41 has the fixing device 44 of the mobile phone 1 for placing.The first eyeglass module 42 and described
Second eyeglass module 43 includes the optics module described in above-described embodiment.
Wherein, when carrying out the display of augmented reality image, the display screen of the mobile phone 1 is divided into two viewing areas, to enter
Row split screen display available, two viewing areas show the first optical image information；First optical imagery of one viewing area outgoing
Information is used for the optics module of the incident first eyeglass module 42, the first optical image information of another viewing area outgoing
Optics module for the incident second eyeglass module 43.
As described in above-mentioned embodiment, the toroidal lens of two optics modules is each perpendicular to a reference planes, that is,
Say, in two optics modules, the optical axis of the toroidal lens is each parallel to the reference planes, the display screen of the mobile phone
Set parallel to the reference planes, and towards the optical axis, in order to which the installation of the relative position between part is fixed.
Sectional drawings of the Fig. 4 on AA ' as shown in Fig. 2 in the sectional drawing the first eyeglass module 42 optics module mean camber
The relative position relation of lens, planar lens and mobile phone will not be repeated here with reference to shown in figure 2.
By foregoing description, it is adapted to described in the utility model embodiment in the augmented reality helmet of mobile phone, only
Two above-mentioned optics modules and the helmet main body of matching can realize that augmented reality is shown by mobile phone, simple in construction,
Low manufacture cost, it is easy to Intelligent worn device to use and popularize.
It should be noted that each embodiment is described by the way of progressive in this specification, each embodiment emphasis is said
Bright is all the difference with other embodiment, between each embodiment identical similar portion mutually referring to.For reality
For the augmented reality helmet for applying the disclosed adaptation mobile phone of example, due to its with embodiment disclosed in optics module it is corresponding,
So description is fairly simple, related part illustrates referring to optics module relevant portion.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (11)
- A kind of 1. optics module, for being adapted to the augmented reality helmet of mobile phone, it is characterised in that the optics module bag Include：The toroidal lens and planar lens being oppositely arranged；First optical image information of the display screen outgoing of the mobile phone reflexes to the toroidal lens by the planar lens, The planar lens is reflexed to by the toroidal lens again, then is emitted through the planar lens；From object scene Two optical image informations are emitted after passing through the toroidal lens and the planar lens successively；First optical image information and second optical image information by planar lens outgoing form folded Add image.
- 2. optics module according to claim 1, it is characterised in that the toroidal lens has the concave surface being oppositely arranged And nonreentrant surface；The concave surface has identical radius of curvature with the nonreentrant surface；The planar lens is saturating towards the curved surface with the first plane and the second plane being oppositely arranged, first plane The concave surface of mirror.
- 3. optics module according to claim 2, it is characterised in that the concave surface and nonreentrant surface are sphere.
- 4. optics module according to claim 2, it is characterised in that the optical axis of the toroidal lens is parallel to one with reference to flat Face；The planar lens intersects with the reference planes, and the two angle is not equal to 90 °；Wherein, the display screen of the mobile phone is parallel to the reference planes.
- 5. optics module according to claim 4, it is characterised in that the planar lens has with the reference planes 45 ° of angle.
- 6. optics module according to claim 2, it is characterised in that the concave surface covered with the first part reflective semitransparent film, First plane is covered with the second part reflective semitransparent film.
- 7. optics module according to claim 2, it is characterised in that the length of the display screen of the mobile phone is L, mono-vision Rink corner is α；The distance of the display screen of the optical axis of the toroidal lens and the intersection point of first plane to the mobile phone is d3, institute The distance for stating intersection point and the nonreentrant surface is d2；Wherein,
- 8. optics module according to claim 2, it is characterised in that the optical axis of the toroidal lens and first plane The distance of display screen of intersection point and the mobile phone be d3, the distance of the intersection point and the nonreentrant surface is d2；The effective focal length of the optics module is equal to d3+d2。
- 9. optics module according to claim 2, it is characterised in that also include：Cover the antireflective film of second plane.
- A kind of 10. augmented reality helmet for being adapted to mobile phone, it is characterised in that including：Helmet main body, the head that the helmet main body is used to the augmented reality helmet being fixed on user are pre- If position；The helmet main body has the fixing device of the mobile phone for placing；The the first eyeglass module and the second eyeglass module being arranged in the helmet main body, the first eyeglass module with And the second eyeglass module includes the optics module as described in claim any one of 1-9；Wherein, when carrying out the display of augmented reality image, the display screen of the mobile phone is divided into two viewing areas, to carry out split screen It has been shown that, two viewing areas show the first optical image information；First optical image information of one viewing area outgoing is used In the optics module of the incident first eyeglass module, the first optical image information of another viewing area outgoing is used for incidence The optics module of the second eyeglass module.
- 11. augmented reality helmet according to claim 10, it is characterised in that the optical axis of the toroidal lens is parallel In a reference planes；The display screen of the mobile phone is set parallel to the reference planes, and towards the optical axis.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106896505A (en) * | 2017-04-28 | 2017-06-27 | 歌尔科技有限公司 | A kind of augmented reality helmet and its optics module for being adapted to mobile phone |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106896505A (en) * | 2017-04-28 | 2017-06-27 | 歌尔科技有限公司 | A kind of augmented reality helmet and its optics module for being adapted to mobile phone |
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Effective date of registration: 20201012 Address after: 261031 north of Yuqing street, east of Dongming Road, high tech Zone, Weifang City, Shandong Province (Room 502, Geer electronic office building) Patentee after: GoerTek Optical Technology Co.,Ltd. Address before: 266100 Qingdao, Laoshan District, North House Street investment service center room, Room 308, Shandong Patentee before: GOERTEK TECHNOLOGY Co.,Ltd. |