CN206096735U - Virtual reality projection eye -shade based on front end specular reflection - Google Patents

Abstract

The utility model provides a virtual reality projection eye -shade based on front end specular reflection. Include: translucent formation of image film, lens, reflection mirror surface, camera and projecting apparatus, the camera sets up on the reflection mirror surface, the setting of reflection mirror surface is in lens with the place ahead of translucent formation of image film, lens set up the place ahead at people's eye, the projecting apparatus set up in translucent film's rear, the projecting apparatus projects the form of image with the back projection on the translucent formation of image film, the image process that translucent formation of image film sent after the reflection of reflection mirror surface, pass through again the enlarged people's eye that transmits to of lens. The utility model discloses a set up front end reflection mirror surface, the distance between camera and the people's eye can all realize the shortlyest on probe distance and fore -and -aft distance to thing and direct personnel selection eye observed through the camera is seen are nearest, have brought better impression for user's virtual reality experience.

Description

Virtual reality based on front end direct reflection projects eyeshield

Technical field

This utility model is related to technical field of virtual reality, more particularly to a kind of virtual reality based on front end direct reflection Projection eyeshield.

Background technology

At present VR (Virtual Reality, virtual reality) glasses mainly have two kinds, it is a kind of be it is completely enclosed, i.e., with The external world completely cuts off completely；Another is to install photographic head additional in helmet front portion, and photographic head intake image is transferred to again the eyes of people, from And the world around perceiving.Completely enclosed glasses can run into many inconveniences during experience of reality (such as can be bumped against Wall etc.), so install the VR glasses of photographic head additional gradually will more and more be favored, this device not only can avoid as The inconvenience of wall etc. is bumped against, and experiencer can be increased and interacted with real.

The imaging mode of the structure of existing virtual reality glasses typically all " lens+screen ", lens 2-3cm before eyes Place, screen away from lens 3-6cm, virtual image forming 25cm-50cm before eyes or so.Result is helmet weight caused by this structure Greatly, volume is big, oversize.If installing photographic head additional again before the helmet, because now the helmet is anterior distant with human eye, then The image that photographic head is absorbed can be higher than the image that human eye actually sees and near, and sensation image is " suspension " above , this can be different with the actual perception to reality of people, and to the virtual reality experience of user poor impression is brought.

Utility model content

Embodiment of the present utility model provides a kind of virtual reality based on front end direct reflection and projects eyeshield, to realize Preferably impression is brought to the virtual reality experience of user.

To achieve these goals, this utility model takes following technical scheme.

A kind of virtual reality based on front end direct reflection projects eyeshield, including：Translucent imaging thin film, lens, reflection Minute surface, photographic head and projector, the photographic head is arranged on the mirror surface, and the mirror surface is arranged on the lens With the front of the translucent imaging thin film, the lens are arranged on the front of human eye, and the projector is arranged at described semi-transparent The rear of bright thin film；

The projector by image projected in the form of back projection it is described it is translucent imaging thin film on, it is described it is translucent into The image sent as thin film is transferred to human eye after the reflection of the mirror surface, then through the amplification of the lens.

Further, the translucent imaging thin film passes through bonding or mounted on the helmet by connection member.

Further, the mirror surface by inlaying, buckle or connection member it is mounted on the helmet, the photographic head By welding, bonding, inlay, buckle or connection member are arranged on the mirror surface.

Further, the lens by inlaying, buckle or connection member it is mounted on the helmet.

Further, the projector by welding, bonding, inlay, buckle or connection member it is mounted on the helmet.

Further, the projector is arranged at the rear of the semitransparent thin film, and the projector is translucent with described Depending on the distance between thin film is according to the projection angle of projector and the area of semitransparent thin film.

The technical scheme provided by above-mentioned embodiment of the present utility model can be seen that this utility model embodiment by setting Put front end reflection minute surface, make light path of light elongated, projection the distance between the virtual image and eyes by direct reflection realize necessity away from Can realize in horizontal range and fore-and-aft distance from the distance between, photographic head and human eye it is most short, so as to pass through photographic head The thing seen observes observe closest with direct employment, and to the virtual reality experience of user preferably impression is brought.

The additional aspect of this utility model and advantage will be set forth in part in the description, and these will be from explained below In become obvious, or by it is of the present utility model practice recognize.

Description of the drawings

Fig. 1 projects the knot of eyeshield for a kind of virtual reality based on front end direct reflection that this utility model embodiment is provided Composition, in figure, mirror surface 1 is translucent to be imaged thin film 2, the helmet 3, lens 4, projector 5, human eye 6, the virtual image 7 and photographic head 8.

Specific embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein From start to finish same or similar label represents same or similar element or the element with same or like function.Lead to below It is exemplary to cross the embodiment being described with reference to the drawings, and is only used for explaining this utility model, and can not be construed to this practicality New restriction.

Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " " used herein, " It is individual ", " described " and " being somebody's turn to do " may also comprise plural form.It is to be further understood that used in description of the present utility model Wording " including " refer to there is the feature, integer, step, operation, element and/or component, but it is not excluded that exist or Add one or more other features, integer, step, operation, element, component and/or their group.It should be understood that working as us Element is claimed to be " connected " or during " coupled " to another element, it can be directly connected or coupled to other elements, or can also There is intermediary element.Additionally, " connection " used herein or " coupling " can include wireless connection or couple.It is used herein to arrange Diction "and/or" includes one or more associated any cells for listing item and all combination.

Those skilled in the art of the present technique are appreciated that unless otherwise defined all terms used herein are (including technology art Language and scientific terminology) have with this utility model art in those of ordinary skill general understanding identical meaning.Also It should be understood that those terms defined in such as general dictionary should be understood that with the context of prior art in The consistent meaning of meaning, and unless defined as here, will not be explained with idealization or excessively formal implication.

For ease of the understanding to this utility model embodiment, below in conjunction with accompanying drawing do by taking several specific embodiments as an example into The explanation of one step, and each embodiment does not constitute the restriction to this utility model embodiment.

This utility model embodiment is intended to reduce the weight of VR glasses, and makes the photographic head for being arranged on helmet front portion to the greatest extent may be used With near the eyes position of people so that the reality of the image perception that human eye is absorbed by photographic head is more natural, closer to reality.

This utility model embodiment provides a kind of virtual reality based on front end direct reflection and projects eyeshield, its concrete reality Existing structure as shown in figure 1, including：Mirror surface 1, translucent imaging thin film 2, lens 4, photographic head 8 and projector 5, whole eye Cover is all integrated in the helmet 3.In FIG, also including the virtual image 7, human eye 6.

The photographic head 8 is arranged on the mirror surface 1, and the mirror surface 1 is arranged on the lens 4 and described half The front of transparent image thin film 2, the lens 4 are arranged on the front of human eye, and the projector 5 is arranged at the semitransparent thin film 2 rear.Above-mentioned projector 5 can be micro projector.The projector 5 in the form of back projection projects image described On translucent imaging thin film 2, the image that the translucent imaging thin film 2 sends is after the reflection of the mirror surface 1, then Jing The amplification for crossing the lens 4 is transferred to human eye.

Translucent imaging thin film 2 is arranged on the helmet 3 by bonding or by connection member, and mirror surface 1 is by edge Embedding, buckle or connection member are arranged on the helmet 3, photographic head 8 by welding, bonding, inlay, buckle or connection member are pacified It is mounted on mirror surface 1, lens 4 are by inlaying, buckle or connection member are arranged on the helmet 3.Projector 5 by welding, Bonding, inlay, buckle or connection member are arranged on the helmet 3.Projector 5 is arranged at the rear of semitransparent thin film 2, projector Depending on the distance between 5 and semitransparent thin film 2 are according to the projection angle of projector 5 and the area of semitransparent thin film 2.

The amplification of said lens 4 is 8 times and amplifies more suitable, and projector 5 is miniature wide-angle projector, mirror surface 1 size is adapted with helmet size, and the size of translucent imaging thin film 2 is adapted with view field size.

For common people, people can see the beeline of things clearly in 25cm or so.On the other hand, general magnifier is put Big multiple improves amplification between 2.5-25 times, further, it will too increase with surface curvature because the focal length of lens shortens Greatly, the map to be formed is made to thicken unclear.

Using the structure of " lens+screen " more than the VR glasses of currently available technology.Lens have been mainly the work for amplifying image With, and amplify even by lens, still than larger with a distance from glasses, this allows for the helmet can become very thick to screen.

As shown in figure 1, this utility model embodiment adds a mirror surface 1 in the front end of lens 4, projector 5 is by image Thrown in the form of back projection on translucent imaging thin film 2, the image that translucent imaging thin film 2 sends is again through preposition reflection Minute surface 1 reflexes to the eyes of people.According to the principle of direct reflection, the virtual image 7 is to the distance and real image of mirror surface 1 to reflection in mirror The distance of minute surface 1 is equal, and the real image to the distance of mirror surface 1 is distance of the translucent imaging thin film 2 to mirror surface 1.Institute With, as long as we will move behind the position of translucent imaging thin film 2, then the virtual image 7 can also become big with a distance from mirror surface 1, then By the amplification of lens 4, the distance of distinct vision of human eye 6 just can be reached.

Because the necessary distance of the off screen curtain of lens 4 is converted to for rearmounted translucent imaging thin film 2 and preposition reflection The distance between minute surface 1, and the distance between preposition mirror surface 1 and lens 4 just can reduce significantly.The so whole helmet It is front most can be removing.At this moment, a photographic head 8 is installed then on mirror surface 1, then photographic head 8 and human eye 6 it Between distance can realize in horizontal range and fore-and-aft distance most short, the thing of human eye 6 is absorbed and is transferred to by photographic head 8 Thing is much like with the things directly observed with human eye 6, is not in situation of the image " suspension " on human eye 6.

In this utility model embodiment, the beeline * lens multiplication factor of the virtual image 7 in lens 4 to mirror is more than or waits In the distance of distinct vision of people, human eye presses close to lens when watching.In actual applications, lens 4 can try one's best with human eye, human eye and mirror The distance of the middle virtual image is about 3-4cm.

In sum, this utility model embodiment makes light path of light elongated by arranging front end reflection minute surface, projects the virtual image Necessary distance is realized by direct reflection with the distance between eyes, the distance between photographic head and human eye are in horizontal range and indulge Can above realize to distance most short, so as to observe closest is observed in thing and the direct employment seen by photographic head, give The virtual reality experience of user brings preferably impression.

It is preposition using this construction of virtual reality projection eyeshield based on front end direct reflection of this utility model embodiment The distance between mirror surface and lens just can reduce significantly, the so whole helmet it is front most can to remove, Some other unnecessary device can also be separated so that the volume of the whole helmet is less, and weight is lighter.

One of ordinary skill in the art will appreciate that：Accompanying drawing is the schematic diagram of one embodiment, module in accompanying drawing or Flow process is not necessarily implemented necessary to this utility model.

One of ordinary skill in the art will appreciate that：The part in device in embodiment can be according to embodiment description point In being distributed in the device of embodiment, it is also possible to carry out respective change and be disposed other than in one or more devices of the present embodiment.On Stating the part of embodiment can merge into a part, it is also possible to be further split into multiple subassemblies.

The above, only this utility model preferably specific embodiment, but protection domain of the present utility model is not This is confined to, any those familiar with the art can readily occur in the technical scope that this utility model is disclosed Change or replacement, all should cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should It is defined by scope of the claims.

Claims (6)

1. a kind of virtual reality based on front end direct reflection projects eyeshield, it is characterised in that include：Translucent imaging thin film, Lens, mirror surface, photographic head and projector, the photographic head is arranged on the mirror surface, and the mirror surface is arranged In the lens and the front of the translucent imaging thin film, the lens are arranged on the front of human eye, and the projector is arranged In the rear of the semitransparent thin film；

The projector projects image in the form of back projection on the translucent imaging thin film, and the translucent imaging is thin The image that film sends is transferred to human eye after the reflection of the mirror surface, then through the amplification of the lens.

2. the virtual reality based on front end direct reflection according to claim 1 projects eyeshield, it is characterised in that described half Transparent image thin film passes through bonding or mounted on the helmet by connection member.

3. the virtual reality based on front end direct reflection according to claim 1 projects eyeshield, it is characterised in that described anti- Penetrate minute surface by inlaying, buckle or connection member it is mounted on the helmet, the photographic head by welding, bonding, inlay, buckle Or connection member is arranged on the mirror surface.

4. the virtual reality based on front end direct reflection according to claim 1 projects eyeshield, it is characterised in that described Mirror is by inlaying, buckle or connection member are mounted on the helmet.

5. the virtual reality based on front end direct reflection according to claim 1 projects eyeshield, it is characterised in that the throwing Shadow instrument by welding, bonding, inlay, buckle or connection member it is mounted on the helmet.

6. the virtual reality based on front end direct reflection according to claim 1 projects eyeshield, it is characterised in that the throwing Shadow instrument is arranged at the rear of the semitransparent thin film, and the distance between the projector and described semitransparent thin film are according to projector Projection angle and semitransparent thin film area depending on.