CN205903239U - Visual acuity test and trainer based on virtual reality - Google Patents

Abstract

The utility model relates to a visual acuity test and trainer based on virtual reality, include: head -mounted apparatus, with head -mounted apparatus communication connection's image processing facility, with head -mounted apparatus and image processing facility communication connection's intelligent control equipment and with intelligent control equipment communication connection's anti -dazzle dizzy equipment and head -mounted apparatus 0, wherein, head -mounted apparatus includes head -mounted apparatus 2, head -mounted apparatus 3 and head -mounted apparatus 4 device. Anti -dazzle dizzy equipment is used for receiving the transform angle and user's head position and the deviation movement state hold in of angle of control in order to ensure user received eyesight detection image or sight protection image of intelligent control equipment to can not produce dizzy sensation when detecting with the health care, have the real telepresence and the sense of reality.

Description

Eye test based on virtual reality and trainer

Technical field

The utility model belongs to sight protection technical field and in particular to a kind of sight protection based on virtual reality fills Put.

Background technology

In recent years, the myopic number of teenager remains high always, and has the trend increasing year by year, and this problem is serious Have impact on the vast teen-age extensive concern grown up healthy and sound, also result in personages of various circles of society simultaneously.

Current eyesight detection means is mainly pointed out or computer detection by visual chart, and it is right because of it that mode pointed out by visual chart Light, required distance are high, are typically suitable only for being carried out by professional is leading on hospital, MEC, Pei Jing center and other places, uncomfortable Close and check at home；Computer detection mode, then because of apparatus expensive, is also unsuitable for family and buys.Because both modes all can not be given People provide a kind of simple and convenient, mode of testing eyesight anywhere or anytime, and therefore many teenagers cannot timely be examined Survey, thus, miss the best opportunity of therapeutic intervention myopia.

Additionally, the rehabilitation therapy method of myopia has many kinds, it is broadly divided into operative treatment and physical treatment, the rehabilitation of operation There is the larger risk of ratio in treatment method, and can leave sequelae to teenager.Physical rehabilitation treatment side in the market Method has many kinds, such as: promote eye exercises for many years, it has certain health-care effect, but seldom has rehabilitative action；Chinese physical therapy Massage push or pull, it needs the special care of professional person, is not easy to large-scale popularization；Vision flesh energy coaching method combines foster eyeball increasing and regards Methods and rules for military drill or physical exercise, prove that this is a kind of good method of effectiveness comparison at present.

As Chinese patent discloses a kind of short sight rehabilitation inducting method and the device of No. cn101849881a offer, its proposition A kind of abductive approach for short sight rehabilitation health care, referred to as " beautiful eye yoga ", and propose a kind of to be directed to this abductive approach Implement the device " a kind of device of short sight rehabilitation " containing three-dimensional sound, video media software, this device include player, Two parts of the optics of three-dimensional imaging, player can play software or the video disc of above-mentioned three-dimensional imaging, exports stereogram As signal to optics, optics can show that the image of solid.In this invention, optics is a kind of virtual regards greatly Field, the video eyeglasses device of nearly purpose, three-dimensional imaging, by the convalescence device of such set of system, thus realize to use The rehabilitation induction of person, reaches a health care, the purpose of myopia rehabilitation.But this invention still suffers from the drawback that or not enough: (1), this invention is only capable of training myopia being carried out correct rehabilitation, and myopia can not be detected；(2), when eyes continuously do During extreme sport can very progression and produce eye strain；(3), the principle of this invention is cooperation while eyes do extreme sport Corresponding respiratory movement, can move from flesh and start requirement air-breathing until holding the breath, just can exhale when being returned to normal position Gas, this invention is higher to the coordination ability of people, fitness (particularly lung capacity) requirement；(4), video eyeglasses display screen Very short with the distance of eyes, this can make eyes it will be clear that on screen " particle ", visual experience is poor；(5), this dress Put the display that can not adjust image according to the head movement of user, visual lag may be caused and then lead to user to occur The various discomfort such as nauseous dizziness.

And for example Chinese patent disclose No. cn102895097a offer a kind of network vision care instrument, it include support and Display treatment body, support is provided with driving means；Driving means with display treatment body output end be connected, and show treatment body and Cloud server is connected；Display treatment body is downloaded and is shown that in cloud server, corresponding 3d regards according to the near-sighted block signal of input Feel physiology image, and control driving means to drive the display treatment body of display 3d visual physiology image that institute is carried out on support The reciprocating motion needing.This invention driving means drives the display treatment body of display 3d visual physiology image to carry out institute on support Need reciprocating motion so that the crystalline lens of user's eyes does the focusing movements of rule, allow ciliary muscle be constantly in contraction- Loosen-shrink-state loosened in the middle of, by the exercise treatment of a period of time it is possible to allow ciliary muscle recover elasticity, crystalline Body sets back, and so that the refractive power of refraction of eye system and axiallength is matched, and so that image is accurately fallen on the retina.But should Invention still suffers from the drawback that or not enough: (1), this invention are only capable of training myopia being carried out correct rehabilitation, and can not be near Depending on being detected；(2), this device structure is complicated, bulky, manufacture, use, maintenance cost higher, be unfavorable for extending to general Long and deep friendship between two families front yard uses；(3), user can not freely use this health-care appliance as using mancarried device whenever and wherever possible, therefore its It is unfavorable for promoting to all myopia users.

In sum, provide a kind of convenient, can realize whenever and wherever possible eyesight detection and provide sight protection eye test And trainer is urgent problem in the industry.

Content of the invention

For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of eye test based on virtual reality And trainer, it can be realized eyesight detection for user whenever and wherever possible and be regarded for its offer according to user's eyesight detection data The scheme of force health-care.

To achieve these goals, the utility model provides a kind of eye test based on virtual reality and training cartridge Put, comprising: the image processing equipment of helmet and helmet communication connection and helmet and image processing equipment lead to Intelligent control device and the anti-dazzle equipment with intelligent control device communication connection that letter connects, wherein, helmet includes It is respectively mounted image display device thereon, audio playing apparatus and motion sensor means, and the motion of helmet Sensing device is connected with anti-dazzle equipment communication by intelligent control device.

Wherein, " communication connection " in the application can be by data wire be connected can also be by wireless network phase Even.

Specifically, the eye test based on virtual reality and trainer include: helmet and helmet communication link The intelligent control device of the image processing equipment connecing and helmet and image processing equipment communication connection and with intelligent control The anti-dazzle equipment of control equipment communication connection；Wherein, helmet includes: image display device, and it is used for receiving at through image Eyesight detection image after the process of reason equipment or sight protection image, and show eyesight detection image or sight protection to user Image；Audio playing apparatus, it is used for playing the eyesight detection image showing with image display device or sight protection image is same The audio files of step；And motion sensor means, it is used for following the trail of the head position of user and the offset movement of angle, and will The offset movement state of the head position of user and angle is sent to intelligent control device；Wherein, image processing equipment is used for Receive eyesight detection image or the sight protection image of intelligent control device transmission, and by eyesight detection image or sight protection figure Send to image display device as after carrying out split screen process；Intelligent control device be used for providing selection to be detected for user or The pattern of health care, and the pattern being selected according to user, send eyesight detection image or sight protection figure to image processing equipment Picture, and send the sound with eyesight detection image or sight protection image synchronization to audio playing apparatus, and for receiving motion The offset movement state of the head position of user of sensing device transmission and angle is to control image processing equipment and anti-dazzle Equipment coordinates cooperation；And anti-dazzle equipment is used for receiving the control of intelligent control device to guarantee what user received The head position of the translation-angle of eyesight detection image or sight protection image and corresponding sound and user and angle inclined Shifting movement state keeps synchronous.

Selectively, also include the RTU with intelligent control device communication connection, RTU includes Several intervention modules, the described user that RTU is used for according to intelligent control device receives detects to described eyesight The detection of image is fed back to start corresponding intervention module.

Selectively, image display device includes led display screen and corresponds respectively to user in front of led display screen Left eye and right eye convex lens, wherein, led display screen be used for divide carrying out the image after split screen process through image processing equipment Screen is shown in the left eye of user and the zones of different of right eye corresponding led display screen；Convex lens are used for dividing led display screen Shield the image showing to project respectively in left eye and the right eye of user.

Preferably, led display screen selects display screen, the left eye corresponding to user or the right side that resolution ratio is 1920 × 1080 The pixel screen of the led display screen of eye is set as that the video quality that 960 × 1080, led display screen is play is set as 1080p.

Selectively, the visual angle of convex lens is 110 °.

Selectively, the eyesight receiving detection image or sight protection image are carried out pretreatment instead by image processing equipment To after distortion, then the picture edge of the eyesight detection image after reverse twist or sight protection image is compressed, to it It is curved deformation, to neutralize the amplification effect of convex lens.

Selectively, helmet also includes sound collection means, and it is used for receiving user for eyesight detection image Or the voice feedback of sight protection image, and voice feedback is sent to intelligent control device.

Selectively, intervention module includes improving Eyeball sensitivity module, eye strain alleviation training module, joins mirror mould Block and ophthalmology disease control module.

Selectively, anti-dazzle equipment includes being installed on helmet and is built-in with head Future Positions predicting unit Pivoting controller, the picture angle that pivoting controller is used for according to the eyesight detection image that will play or sight protection image becomes Change situation, calculates the eyesight detection image that will show or the correspondence of sight protection image by head Future Positions predicting unit The anglec of rotation.

Selectively, eyesight detection image or sight protection image setting are to have fixed time sequence between each composition picture to close The image of system is with the predetermined image frame angle change situation that will play.

Selectively, anti-dazzle equipment also includes anti-dazzle swivel chair, and anti-dazzle swivel chair includes swivel chair body, is supported on swivel chair The rotating base of body bottom portion and the swivel head for the head of regular user for the chair back top being arranged at swivel chair body Support, wherein, rotating base and rotation head rest are connected with pivoting controller communication, and rotating base and rotation head rest rotate for receiving The eyesight detection image that will show that controller calculates or the corresponding anglec of rotation of sight protection image with the anglec of rotation Degree is rotated so that the body rotations scope of user and head rotation scope are consistent with the anglec of rotation.

Selectively, the slewing area of rotating base is 360 degree.

Selectively, it is built-in with inertial sensor and gravity type sensor in rotating base, be built-in with rotation head rest Inertial sensor or electromagnetic sensor.

Selectively, rotating base and rotation head rest in built-in sensor settings be respectively by the body action sensing Parameter and head movement parameter send to pivoting controller to correct head Future Positions predicting unit.

Selectively, eyesight detection image is set as virtual reality standard testing symbol.

Selectively, sight protection image setting is to recover to use by the change guiding of light, brightness and the depth of field The eye strain of person.

Selectively, the change of light, brightness and the depth of field include simulation focusing, automatically move burnt, autozoom and from Dynamic long sight atomization.

Preferably, motion sensor means are the combination of at least one in following type sensor or more than two kinds: machinery Formula sensor, electromagnetic sensor, optical sensor, Supersonic waves sensor, inertial sensor or gravity type sensor.

Preferably, intelligent control device includes notebook computer, panel computer or smart mobile phone.

Selectively, in the utility model, the communication connection between each part can select wired connection and/or wirelessly connect Connect.

The beneficial effects of the utility model are: (1) user can carry out eye test to oneself whenever and wherever possible it is not necessary to cure The assistance of shield personnel, is not limited by doctor's resource, realizes self-service eyesight detection；(2) eyesight according to user detects number According to the matching sight protection image providing, the eye movement of guiding user is alleviated asthenopia and its eyesight is carried out Targetedly intervene, realize the rectification rehabilitation to user's eyesight；(3) anti-dazzle equipment can ensure that the eyesight that user receives The translation-angle of the picture of detection image or sight protection image and corresponding sound are synchronous with the body action of user, effectively Avoid producing dizzy, nauseous or other uncomfortable sensations；(4) the eyesight detection image after image processing device processes or eyesight The picture of health care image can make user produce real telepresenc and the sense of reality；(5) should the eyesight based on virtual reality examine Look into and trainer in each equipment connected by cordless communication network, can remotely use, not be subject to use time and place Limit.

Brief description

Fig. 1 is the organigram of the eye test based on virtual reality of the present utility model and trainer.

Fig. 2 is the structural representation of helmet of the present utility model.

Fig. 3 is the structural representation of anti-dazzle swivel chair of the present utility model.

Specific embodiment

Below with reference to drawings and Examples, the utility model is further elaborated, but these elaborations are not right The utility model limits in any form.Unless otherwise stated, all scientific and technical terms used herein have The implication being generally understood that with the those skilled in the art of correlative technology field belonging to the utility model.

As shown in figure 1, the eye test based on virtual reality providing as a kind of non-limiting example, the utility model And trainer includes: helmet 100, image processing equipment 200, intelligent control device 300, anti-dazzle equipment 400 and remote Journey terminal device 500.

Wherein, helmet 100 includes image display device 101, audio playing apparatus 102, motion sensor means 103. Image display device 101 includes the convex lens (figure of led display screen (not shown) and the left eye corresponding respectively to user and right eye Do not show), led display screen can will carry out the image split screen display available after split screen process on the left side of user through image processing equipment 200 Although led display screen is close apart from the eye distance of user in the zones of different of eye and right eye corresponding led display screen, but In the presence of convex lens, in-plant image can also see.Again due to being the picture that the left and right two of user is arrived soon Angle is different, and then by led display screen split screen display available, image out projects the left side of user respectively for the setting of two convex lens In eye and right eye, the thing making one seen presents third dimension, builds similar to really regarding thing sensation, simulates object Distance can convert within sweep of the eye, producing the effect of virtual reality.Additionally, eyesight detection image or sight protection image The cornerwise visual angle of picture can reach 110 °, and output image no substantially distorts.User viewing eyesight detection image or While sight protection image, audio playing apparatus 102 just can play the eyesight detection figure with image display device 101 display The audio files of picture or sight protection image synchronization simultaneously plays the instruction for user for the intelligent control device 300.And when use When person is moved, motion sensor means 103 then can track the head position of user and the offset movement of angle, and will The offset movement state of the head position of user and angle is sent to intelligent control device 300, and intelligent control device 300 just may be used To control image processing equipment 200 to coordinate cooperation, the action to user carries out Real-time Feedback, allows user and the virtual world Interaction, makes user really feel and is in virtual world.Meanwhile, intelligent control device 300 can pass according to motion again The information that induction device 103 provides controls prevents dizzy equipment 400 it is ensured that the translation-angle of picture that receives of user and corresponding Sound is synchronous with the body action of user, so makes user be unlikely to produce dizzy, nauseous sensation.

Due to allowing user have bigger visual angle using convex lens in image display device 101, but convex lens are simultaneously Picture can be made to distort, in order to offset these distortions, image processing equipment 200 is in the eyesight inspection that intelligent control device 300 is transmitted After altimetric image or sight protection image carry out split screen process, first can pre-process a reverse twist, picture edge is compressed, Deformation is curved to image, pre-treatment picture being done by these, with the amplification effect of convex lens lens head just in With make final display effect more accurate, the effect of acquisition is exactly the experience of the formula that is completely immersed in.

When user is after wearing helmet 100, intelligent control device 300 just can for user provide select into Row detection or health care pattern, user select detection pattern when, intelligent control device 300 pass through image processing equipment 200 to Image display device 101 sends treated eyesight detection image, and is made to audio playing apparatus 102 transmission instruction with guiding The eyeball of user is moved, and in detection process, intelligent control device 300 also can receive motion sensor means 103 transmission The offset movement state of the head position of user and angle, thus control image processing equipment 200 and anti-dazzle equipment 400 to enter Row cooperation, after detection finishes, intelligent control device 300 also receives user and the detection of eyesight detection image is fed back simultaneously Detection feedback is sent to RTU 500.

As a kind of alternate embodiment, helmet 100 also includes sound collection means 104, and it can receive and make User is for the voice feedback of eyesight detection image or sight protection image, and voice feedback is sent to intelligent control device 300, this voice feedback and user can be combined to the detection feedback of eyesight detection image and send to remote by intelligent control device 300 Journey terminal device 500.

When people rotate head in real world, picture at the moment can change with visual angle, and head is forward When see before picture, see when to the left is the picture on the left side, can be appreciated that when to the right the right picture, therefore work as use When person rotates head, brain can mend out a complete three-dimensional image by the continuous pictures brain seen.But When user puts on the image that image display device 101 display watched by helmet 100, when user rotates visual angle or shifting Leave body when, the speed that image frame presents does not catch up with rotation or the translational speed of user, and such delay then can make User produces the uncomfortable sensation of dizziness.

Feel to prevent user from producing the uncomfortable of dizziness, the head movement to user for the utility model, especially For need eyesight detection and eye fatigue recover when head movement be simulated, using statistical models establish with Machine process, devises the head Future Positions predicting unit based on filtering and measurement data preconditioning technique.Meanwhile, as Fig. 2 institute Show, anti-dazzle equipment 400 includes being built-in with the pivoting controller (not shown) of head Future Positions predicting unit and anti-dazzle turns Chair 402, wherein, anti-dazzle swivel chair 402 includes swivel chair body 4021, is supported on the rotating base of swivel chair body 4021 bottom 4022 and be arranged at swivel chair body 4021 chair back top be used for regular user head rotation head rest 4023.Due to Between each composition picture of the video of the eyesight detection image in the utility model or sight protection image, usually there is fixation Sequential relationship, make full use of this feature and can know the image frame angle change situation that will play in advance, according to i.e. The image frame situation of change that will play, built-in head Future Positions predicting unit anticipation in pivoting controller goes out the anglec of rotation Degree, then the corresponding anglec of rotation of future time instance that anticipation goes out is sent to anti-dazzle swivel chair 402 by pivoting controller, and anti-dazzle turns Rotation head rest 4023 in chair 402 can be rotated according to the corresponding anglec of rotation of future time instance that pivoting controller sends, from And guarantee the picture uniformity in the range of the head rotation of user, meanwhile, can 360 degree rotation rotating bases 4022 also can root Rotated according to the corresponding anglec of rotation of future time instance that pivoting controller sends, so that it is guaranteed that the body rotations scope of user Interior picture uniformity.

Body and head due to being difficult to ensure that user definitely remain stationary as, and therefore also need to adjustment due to user's Body moves the deviation brought.Built-in inertial sensor or electromagnetic sensor in rotation head rest 4023, in rotating base Built-in inertial sensor and gravity type sensor in 4022, using this two sensors, the action parameter perceiving are sent out again Give pivoting controller, feed back to head Future Positions predicting unit and be used for correcting this algorithm, thus constitute rotation-video again Synchronized algorithm corrects system.

After eyesight detection finishes, intelligent control device 300 receives user and the detection of eyesight detection image is fed back simultaneously Detection feedback is sent to RTU 500, RTU 500 feeds back according to the detection that intelligent control device sends Correspondingly start and improve Eyeball sensitivity module, eye strain alleviates training module, join mirror module or ophthalmology disease control module, To provide corresponding sight protection service to user.For example, in the vision condition according to the sharpness metric user regarding thing, Or after by measuring the eye fatigue degree of user regarding the reaction speed of thing, start eye strain and alleviate training module, in figure User is supplied to watch as sight protection image is play on display device 101, by light, the change guiding of brightness and the depth of field comes Accomplish that omnibearing eye strain recovers, such as offset the visual impairment of user using simulation focusing means, and provide and regard Long sight out of focus before nethike embrane, or moved burnt means and will be seen that near focus moves on to a distant place using automatic, zooms out sight line, fatigue-relieving, Or increase eye focusing sensitivity using autozoom means, or reduce mixed myopia by automatic long sight atomization means The number of degrees.

Although of the present utility model embodiment has been shown and described above it is to be understood that above-described embodiment is Exemplary it is impossible to be interpreted as that those of ordinary skill in the art is in scope of the present utility model to restriction of the present utility model Interior above-described embodiment can be changed, change, replacing and modification.And these modifications or replacement, do not make relevant art The essence of scheme departs from the scope of the utility model each embodiment technical scheme.

Claims (8)

1. a kind of eye test based on virtual reality and trainer, comprising: helmet and described helmet communication link The intelligent control device of the image processing equipment connecing and described helmet and the communication connection of described image processing equipment and With described intelligent control device communication connection anti-dazzle equipment it is characterised in that: described helmet includes being respectively arranged in Image display device thereon, audio playing apparatus and motion sensor means, and the described motion of described helmet passes Induction device is connected with described anti-dazzle equipment communication by described intelligent control device.

2. the eye test based on virtual reality as claimed in claim 1 and trainer are it is characterised in that also include and institute State the RTU of intelligent control device communication connection, described RTU includes several intervention modules.

3. the eye test based on virtual reality as claimed in claim 2 and trainer are it is characterised in that described image shows Showing device includes led display screen and is located at left eye convex lens and right eye convex lens in front of described led display screen respectively.

4. the eye test based on virtual reality as claimed in claim 3 and trainer are it is characterised in that described left eye is used The visual angle of convex lens and described right eye convex lens is respectively 110 °.

5. the eye test based on virtual reality as claimed in claim 4 and trainer are it is characterised in that described wearing sets The standby sound collection means also including being mounted thereon.

6. the eye test based on virtual reality as any one of Claims 1 to 5 and trainer, its feature exists In described anti-dazzle equipment includes being installed on described helmet and be built-in with the rotation control of head Future Positions predicting unit Device processed.

7. the eye test based on virtual reality as claimed in claim 6 and trainer are it is characterised in that described anti-dazzle Equipment also includes anti-dazzle swivel chair.

8. the eye test based on virtual reality as claimed in claim 7 and trainer are it is characterised in that described anti-dazzle Swivel chair includes swivel chair body, the rotating base being supported on swivel chair body bottom portion and is arranged at the chair back top of swivel chair body Rotation head rest.