CN205903240U - Eyes fatigue detection device - Google Patents
Eyes fatigue detection device Download PDFInfo
- Publication number
- CN205903240U CN205903240U CN201620536229.1U CN201620536229U CN205903240U CN 205903240 U CN205903240 U CN 205903240U CN 201620536229 U CN201620536229 U CN 201620536229U CN 205903240 U CN205903240 U CN 205903240U
- Authority
- CN
- China
- Prior art keywords
- eyes
- fatigue
- eye
- glasses body
- lens body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model provides an eyes fatigue detection device relates to the VR eyeglass technology field. That solve is the technical problem that the eye fatigue detected. The device infrastructure connects a bandeau above VR glasses body, including the last apical string of connecting glasses body right side and left gridle and glasses body upper end. The lens top is installed two cameras and is used for detecting the eye fatigue, and glasses body left side is equipped with quantity indicating lamp and bee calling organ, and glasses body right side is equipped with switch and USB interface, is equipped with signal processor above the glasses body. The camera is settled in the position that corresponds people's eyes, gathers user's eye movement information in real time, and signal processor carries out the analysis to the eye movement information of gathering, obtains the fatigue state of eyes to point out user's eyes to be in the fatigue state on exporting the result to bee calling organ, avoid the user to damage the eyesight. This device is applicable to the eye fatigue and detects.
Description
Technical field
The utility model is related to vr optometric technology field.
Background technology
Virtual reality (virtual reality, abbreviation vr) is the new and high technology occurring in recent years, is to utilize computer simulation
Produce a three-dimensional virtual world, provide user with regard to the simulation of the sense organs such as vision, the sense of hearing, tactile, imitate true
Situation, allow user as being personally on the scene, the things in three-dimensional space can be observed in time, without limitation, permissible
Game and video tastes are substantially improved.
The present structure of virtual reality glasses is typically all the imaging mode of " lens+screen ", lens 2-3cm before eyes
Place, screen away from lens 3-6cm, virtual image forming 25cm-50cm before eyes.The wearing and using can't be to regarding of short time
Power has affected, but when wearing vr glasses for a long time, this can make sight line focus on always not move at 25cm-50cm, and
And be entirely electronic display in the visual field, it is extremely tired to easily cause eye muscle, eye fatigue problem, Long-Time Service is very
Possible deteriorated vision.User typically in experience game or video, easily wears vr glasses for a long time, easily hurts eye
Eyeball, therefore, whether detection user's eyes are tired and send prompting, are very to protect eyes while experiencing virtual reality
It is necessary.
Chinese patent cn 201210374160.3 (publication number cn 102908152a) proposes a kind of being based on and detects eyelid flickering
The fatigue detecting glasses of Frequency are although this method is by the benchmark eyelid flickering side frequency of the eyelid jump frequency detecting and storage
Compare and obtain eye fatigue state, but one can be caused to eyes using Infrared irradiation to eye detection eyelid jump frequency
Fixed injury.
Utility model content
The purpose of this utility model is to provide a kind of eye fatigue detection means, and it can efficiently solve vr eyeglass wearer
The problem that eye fatigue is reminded in time.
The utility model is achieved through the following technical solutions: a kind of eye fatigue detection means, including lens body
And headband, the middle part of headband is provided with the heading tape being connected with lens body, is respectively equipped with two lens upper frames of lens body
Two cameras；It is provided with battery capacity indication lamp and buzzer on the left of lens body, be provided with power switch on the right side of lens body and usb connects
Mouthful, lens body is provided with signal processor.
Described battery capacity indication lamp is the LED lamp of red, yellow, and green.
A kind of eye fatigue detection means, basic structure is to connect a headband in vr lens body top, including connection
On the right side of lens body and the endless belt in left side and the heading tape of lens body upper end, headband is provided with length adjustment device, is easy to
Wearer's adjusting tightness, mitigates the constriction to head for the virtual reality glasses.Two cameras are installed above lens be used for
Detection eye fatigue, is provided with battery capacity indication lamp and buzzer, is provided with power switch and usb on the right side of lens body on the left of lens body
Interface, is provided with signal processor above lens body.
Described held is in the position of corresponding eye.
The course of work of the present utility model and principle are: the degree of fatigue of eyes and eyes closed time length have closely
Relation, closing time its degree of fatigue longer is more serious, and when fatigue state occurs, the ratio regular meeting that eyelid covers eyes increases
Plus.According to scientific explarnation, through the abundant people resting, each wink time is about nictation between 0.25 0.3s under normal circumstances
Frequency is about 3 4s once, and the eyes closed time is between 0.12 0.13s.Generally, the eyes closed time reaches
0.15s then represents that people enters fatigue state, and now, eyes can can't help accelerating nictation speed based on protective effect, when people enters
When entering deeper fatigue state, the time required for the closing time of eyes and a wink time process can directly prolong
Long.
Degree of fatigue according to eyes this feature closely related with eyes closed time length, the utility model images
Head collection eye signal, using perclos method, that is, the eyes closed time account for the percentage of special time, to eye fatigue degree
Estimated, wherein, p in perclos80Best with the correlation of eye fatigue detection, that is, when eyes closed degree exceedes
It is believed that eyes are in closed state when 80%, with the eyes closed time in the unit interval as the tired foundation judging.
Compared with prior art, the beneficial effects of the utility model are:
First, part of wearing of the present utility model is a headband, and headband is provided with length adjustment device, is easy to wearer and adjusts
Section elasticity, the mitigation constriction to head for the virtual reality glasses.
2nd, the utility model is used for detecting that the camera of eye fatigue is installed in lens body, will not increase vr glasses
Bulk volume size, directly can wear as common vr glasses；Meanwhile, will not be to user's eye, head in detection process
The bad reaction such as cause discomfort, constrain, not affecting wearer and use.
3rd, the utility model energy active detecting eye strain early warning is sent by buzzer, thus effectively avoid because
Excess eye-using and lead to myopia.
The utility model proposes eye fatigue degree is estimated using the p80 of perclos method using camera
Method will not damage to eyes, and perclos method is acknowledged as most effective and real-time fatigue detection method, and detection is accurate
Exactness can be guaranteed.
Brief description
Fig. 1 is stereochemical structure right view of the present utility model
Fig. 2 is stereochemical structure left view of the present utility model
Specific embodiment
With specific embodiment, the utility model is further illustrated below in conjunction with the accompanying drawings
Specific embodiment of the present utility model is: on the basis of vr glasses, including lens body 1 and headband 3, headband
3 middle part is provided with the heading tape 2 being connected with lens body 1, is provided with power switch 6 and a usb interface 7 on the right side of lens body 1；Eye
The left side of mirror body 1 is provided with a battery capacity indication lamp 8 and a buzzer 9, and lens body 1 is provided with signal processor 10.Eye
It is provided with the position of reserved location camera 5, lens 4 are respectively provided with a camera 5 about top above mirror lens 4.
Described battery capacity indication lamp 8 to be shown using the LED lamp of three colors, represents electricity respectively with red, yellow, and green and uses soon
To the greatest extent, not enough power supply, electricity are sufficient, and user can judge current power state by the color of battery capacity indication lamp.
The effect of described switch 6 is then to allow the autonomous setting of user whether enable fatigue detecting function, closing this work(
Can after then will not send alarm, but power consumption can be saved simultaneously.
Described camera 5 respectively has one on the lens 4 of left and right two, in order to enter to the tired situation of two eyes respectively
Row monitors.
During use, user only needs correctly to wear vr glasses viewing vr image, is installed on two shootings above lens
Head corresponds to the position of human eye respectively, and opening switch can make whole fatigue detecting function be in operating state.Camera starts to adopt
Collection user's eye information, the signal that camera group transmits is transported to pre- through image flame detection, filtering and noise reduction etc. in signal processor
After process, then carry out eye fatigue degree calculating with perlocs algorithm, calculated eye fatigue state outcome is exported
To buzzer, buzzer sends alarm tone, points out eyes of user to reach fatigue state.
As a kind of preferred, adopt frame to catch the cmos camera for 20fps for the speed in this example and gather eye information, signal
Processor adopts embedded dsp, the tms320dm642 chip that chip is produced with ti company.
The eye that cmos is collected moves signal and sends into saa7115 decoder, and saa7115 decoder transposes the signals into parallel
Bt.656 image code stream deliver to the video port vp0 of tms320dm642, tms320dm642 decodes it again, obtains yuv lattice
The image of formula, and sdram video memory is transferred to by edma is stored, it is loaded in tms320dm642 under then passing through
The perclos algorithm in face moves information to the eye of user and is analyzed, and obtains eye strain signal, and passes through Serial Peripheral Interface (SPI)
Export to buzzer, wherein, perclos algorithm routine is stored in flash program storage.The interface of all chips and control by
Fpga is responsible for completing by tms320dm642 external storage interface (emif).Tms320dm642 core voltage+1.4v, peripheral hardware i/
O voltage+3.3v, is powered using+3.3v voltage by external pin interface.For prevent system program enter endless loop or because
Voltage pulsation and produce exception, the system with watchdog chip come control system reset.Here adopt the tps3823- of ti
33dbvt watchdog chip, it is powered by+3.3v power supply, and supply voltage can be monitored.Whole system is powered by battery case,
Rechargeable battery in battery case is charged by usb, and charging circuit is made up of va7205df and its peripheral circuit, chargeable
The voltage of battery output need to export to tms320dm642 chip after conversion again, voltage conversion by tps73hd301 and its
Peripheral circuit is carried out.
Claims (2)
1. a kind of eye fatigue detection means, including lens body (1) and headband (3), the middle part of headband (3) is provided with glasses originally
Heading tape (2) that body (1) connects it is characterised in that: be respectively equipped with two in two lens (4) upper frames of lens body (1) and take the photograph
As head (5)；It is provided with battery capacity indication lamp (8) and buzzer (9) on the left of lens body (1), be provided with power supply on the right side of lens body (1) and open
Close (6) and usb interface (7), lens body (1) is provided with signal processor (10).
2. a kind of eye fatigue detection means according to claim 1 it is characterised in that: described battery capacity indication lamp (8)
LED lamp for red, yellow, and green.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620536229.1U CN205903240U (en) | 2016-06-02 | 2016-06-02 | Eyes fatigue detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620536229.1U CN205903240U (en) | 2016-06-02 | 2016-06-02 | Eyes fatigue detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205903240U true CN205903240U (en) | 2017-01-25 |
Family
ID=57814617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620536229.1U Expired - Fee Related CN205903240U (en) | 2016-06-02 | 2016-06-02 | Eyes fatigue detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205903240U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106667429A (en) * | 2017-02-20 | 2017-05-17 | 重庆市肿瘤研究所 | View induced motion sickness detecting method based on eye movement signals |
| CN107992192A (en) * | 2017-11-03 | 2018-05-04 | 青岛海信电器股份有限公司 | The method and virtual reality display device of a kind of alleviation asthenopia |
| CN108542726A (en) * | 2018-05-25 | 2018-09-18 | 刘博韬 | A kind of korector and the object wearing device for being equipped with the korector |
-
2016
- 2016-06-02 CN CN201620536229.1U patent/CN205903240U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106667429A (en) * | 2017-02-20 | 2017-05-17 | 重庆市肿瘤研究所 | View induced motion sickness detecting method based on eye movement signals |
| CN106667429B (en) * | 2017-02-20 | 2018-05-04 | 重庆市肿瘤研究所 | The vision that signal is moved based on eye induces cinetosis detection method |
| CN107992192A (en) * | 2017-11-03 | 2018-05-04 | 青岛海信电器股份有限公司 | The method and virtual reality display device of a kind of alleviation asthenopia |
| CN108542726A (en) * | 2018-05-25 | 2018-09-18 | 刘博韬 | A kind of korector and the object wearing device for being equipped with the korector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205903240U (en) | Eyes fatigue detection device | |
| US20190038123A1 (en) | Systems and Methods For Retarding Myopia Progression | |
| US10407144B2 (en) | Underwater spectacles and control method thereof | |
| US20180039100A1 (en) | Pair of contact lenses, contact lens and storage medium | |
| CN103295370B (en) | Method and system for preventing myopia by monitoring distance between eyes and screen | |
| US20210329764A1 (en) | Systems and methods for retarding myopia progression | |
| US20170351326A1 (en) | Eye training system and computer program product | |
| CN102824160B (en) | Eyeball movement monitoring method and equipment thereof | |
| CN107007255A (en) | Electronic type ophthalmic lens with sleep monitor | |
| CN207924623U (en) | Multi-functional VR glasses and multi-functional VR glasses systems | |
| CN106388770A (en) | Electronic ophthalmic lens with eye closed sensor with open eye prompt and data logging | |
| TWI729983B (en) | Electronic device, system and method for adjusting display device | |
| CN107544160B (en) | A kind of ophthalmic refractive correcting instrument | |
| CN106419867A (en) | Wearable electronic instrument, human health monitoring system comprising same and human health monitoring method | |
| JP2013215356A (en) | Eye fatigue measuring apparatus and method thereof | |
| CN110012220A (en) | A kind of pre- myopic-preventing method, intelligent glasses and computer readable storage medium | |
| CN104766056A (en) | Human-computer interaction method, device and virtual headset device | |
| CN205460752U (en) | Glasses under water | |
| CN104657722A (en) | Eye parameter detection equipment | |
| CN106859931B (en) | VR children's vision correcting instrument based on DLP | |
| CN109009010A (en) | The longer intelligent glasses of cruising ability | |
| CN110200745A (en) | Eyeshade and sleep promotion method | |
| CN106267551B (en) | The wearable facial paralysis of intelligence synchronizes Motor stimulation equipment | |
| WO2024007364A1 (en) | Wearable-device-based light environment and posture detection method, apparatus and system | |
| CN209373272U (en) | A kind of oppressive eyeglass device of intelligence amblyopia |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170125 Termination date: 20190602 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |