CN109350005A - Optical system for binocular fatigue strength measuring device - Google Patents
Optical system for binocular fatigue strength measuring device Download PDFInfo
- Publication number
- CN109350005A CN109350005A CN201811236460.9A CN201811236460A CN109350005A CN 109350005 A CN109350005 A CN 109350005A CN 201811236460 A CN201811236460 A CN 201811236460A CN 109350005 A CN109350005 A CN 109350005A
- Authority
- CN
- China
- Prior art keywords
- binocular
- light
- measuring device
- optical system
- fatigue strength
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 20
- 230000000638 stimulation Effects 0.000 claims abstract description 23
- 230000004927 fusion Effects 0.000 claims abstract description 18
- 238000005286 illumination Methods 0.000 claims abstract description 15
- 230000010354 integration Effects 0.000 claims abstract description 15
- 238000003780 insertion Methods 0.000 claims description 25
- 230000037431 insertion Effects 0.000 claims description 25
- 238000003475 lamination Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000002627 tracheal intubation Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 19
- 230000004446 light reflex Effects 0.000 abstract description 14
- 230000001179 pupillary effect Effects 0.000 abstract description 14
- 210000001747 pupil Anatomy 0.000 abstract description 10
- 230000004936 stimulating effect Effects 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 4
- 238000003384 imaging method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 210000005036 nerve Anatomy 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000004424 eye movement Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000030214 innervation Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000001734 parasympathetic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 210000005070 sphincter Anatomy 0.000 description 1
- 230000002889 sympathetic effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/0008—Apparatus for testing the eyes; Instruments for examining the eyes provided with illuminating means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/11—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring interpupillary distance or diameter of pupils
- A61B3/112—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring interpupillary distance or diameter of pupils for measuring diameter of pupils
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/14—Arrangements specially adapted for eye photography
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/16—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state
- A61B5/168—Evaluating attention deficit, hyperactivity
Abstract
The invention discloses a kind of optical systems for binocular fatigue strength measuring device, including doubly telecentric camera lens, infrared camera, infrared illumination source, stimulation light and flicker fusion frequency integration module, reflecting mirror and dichroscope；Irritating area source is arranged in the surface of the stimulation light and flicker fusion frequency integration module, and the stimulation area source center is provided with bright spot light source.The present invention improves apparatus measures to the measurement accuracy of the pupil diameter of light reflection interval only to single eyes imaging by two doubly telecentric camera lenses of setting, each camera lens；Stimulating light source module of the invention and the module-integrated design of critical radar cross section, reduce the volume of device, and stimulating light source is designed using multiple color area source, uniform illumination degree is high, when carrying out pupillary light reflex measurement, human eye immoderation is substantially reduced, and can also carry out more color pupillary light reflex measurements.
Description
Technical field
The present invention relates to fatigue detecting technology field, in particular to a kind of optical system for binocular fatigue strength measuring device
System.
Background technique
With the development and progress of society, the work of people and life stress are increasing, lasting manual labor and mental
Labour causes people often to work in the state of fatigue, works under fatigue state, not only working efficiency is low, it is important that also
Along with risks such as production and personal safeties.
When human eye is by light stimulus, myosis, referred to as pupillary light reflex.The contraction of pupil is by eye movement nerve
The sphincter pupillae of parasympathetic innervation is completed, and the expansion of pupil is completed by the dilator muscle of pupil that sympathetic nerve dominates, the two
It is restricted each other maincenter is mutually coordinated, to realize complicated pupillary light reflex control.Pupil under the stimulation of ambient light,
Diameter is by the time under being up to most, referred to as pupillary light reflex time.When people is in a state of fatigue, when pupillary light reflex
Between then to grow when being in the state of mind relative to human body.
Critical radar cross section is minimum flash frequency when subject regards scintillation light as continuous light, be both at home and abroad compared with
One of generally acknowledged and fatigue evaluation method generallyd use.Under fatigue state, due to the tendency inhibition variation of maincenter function, degree of awakening
It reduces, the critical radar cross section decline of human body.
The existing deficiency for checking device and method is:
1. the measurement camera lens that existing apparatus uses is single common object lens, the measurement of pupil diameter, which exists, when reflecting light is missed
Difference.
2. carry out pupillary light reflex, stimulating light source is single high-brightness white-light LED, and human eye can be clearly present discomfort,
And stimulation color is single.
Device integrated level is not high, and stimulating light source module and critical radar cross section module separately design, and increases device
Volume.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that providing a kind of for binocular
The optical system of fatigue strength measuring device.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: one kind being used for binocular fatigue strength measuring device
Optical system, including doubly telecentric camera lens, infrared camera, infrared illumination source, stimulation light and flicker fusion frequency integration module,
Reflecting mirror and dichroscope；
Irritating area source, the stimulation area source is arranged in the surface of the stimulation light and flicker fusion frequency integration module
Center is provided with bright spot light source；
The stimulation light and bright spot light that the stimulation light and flicker fusion frequency integration module issue are reflected through the reflecting mirror
After reach the dichroscope, then reflex to human eye through the dichroscope；The reflected light of human eye and the infrared illumination source
Dichroscope described in the illumination light transmission of sending, then the infrared camera is reached after the doubly telecentric camera lens.
Preferably, the doubly telecentric camera lens includes for two two be imaged respectively in left and right, the infrared camera
Including two be detachably connected on the doubly telecentric camera lens.
Preferably, one end of the doubly telecentric camera lens is provided with connecting sleeve, and one end of the camera is provided with connection
Intubation；The connecting insertion is plugged in the connecting sleeve for cooperating, can with realize the doubly telecentric camera lens and camera
Dismantling connection.
Preferably, positioning inserting column is provided on the end face of the connecting insertion, the other end of the positioning inserting column has
Curved end is provided with locating piece on the inner wall of the connecting sleeve, offers on the locating piece and matches for the positioning inserting column
Close the location hole of insertion.
Preferably, it is provided with arc spring lamination on the location hole inner wall, is opened up on the outer wall of the positioning inserting column useful
In the arc groove for accommodating the arc spring lamination.
Preferably, the location hole is rectangular opening, is provided with the arc spring lamination on two opposite inner walls；It is described
Positioning inserting column is rectangular cylinder, offers the arc groove on two opposite outer walls.
Preferably, mounting groove is offered on the inner wall of the connecting sleeve, is provided with locking member in the mounting groove；
The locking member includes the pillar connecting with the inner wall of the mounting groove, is rotatably connected in the cross on the pillar
Plate, the briquetting for being connected to described transverse slat one end, the latch segment for being connected to the transverse slat other end and be connected to the latch segment and
The first spring between the inner wall of mounting groove.
Preferably, offer what perforation was stretched out to the mounting groove for the briquetting on the outer wall of the connecting sleeve
Aperture.
Preferably, the upper end of the briquetting is also connected with chuck, connects between the chuck and the outer wall of connecting sleeve
There is second spring.
Preferably, the locking slot for latch segment cooperation insertion is also provided on the outer wall of the connecting insertion.
The beneficial effects of the present invention are: the present invention is by two doubly telecentric camera lenses of setting, each camera lens is only to single human eye
Imaging, improves apparatus measures to the measurement accuracy of the pupil diameter of light reflection interval；Stimulating light source module of the invention and face
Flicker fusion frequency module-integrated design in boundary's reduces the volume of device, and stimulating light source is set using multiple color area source
Meter, uniform illumination degree is high, and when carrying out pupillary light reflex measurement, human eye immoderation is substantially reduced, and can also carry out more colors
Pupillary light reflex measurement.The comprehensive survey that the present invention passes through measurement and critical radar cross section to the pupillary light reflex time
Amount judges the fatigue state of human body, and detection accuracy is high, has a good application prospect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the optical system for binocular fatigue strength measuring device of the invention；
Fig. 2 is the structural schematic diagram of stimulation light and flicker fusion frequency integration module of the invention；
Fig. 3 is the exploded view of doubly telecentric camera lens and infrared camera of the invention；
Fig. 4 is the schematic cross-sectional view of connecting sleeve of the invention；
Fig. 5 is the partial enlargement structural representation of locking member of the invention；
Fig. 6 is the schematic cross-sectional view of connecting insertion of the invention；
Fig. 7 is the structural schematic diagram of positioning inserting column of the invention；
Fig. 8 is the structural schematic diagram that connecting sleeve and connecting insertion of the invention are cooperatively connected.
Description of symbols:
1-doubly telecentric camera lens；2-infrared cameras；3-infrared illumination sources；4-stimulation light and flicker fusion frequency are integrated
Module；5-reflecting mirrors；6-dichroscopes；7-human eyes；8-connecting sleeves；9-connecting insertions；40-stimulation area sources；
41-bright spot light sources；80-locating pieces；81-location holes；82-arc spring laminations；83-mounting grooves；84-locking members；90-is fixed
Position inserting column；91-curved ends；92-arc grooves；93-locking slots；840-pillars；841-transverse slats；842-briquettings；
843-latch segments；844-the first spring；845-apertures；846-chucks；847-second springs.
Specific embodiment
The present invention will be further described in detail below with reference to the embodiments, to enable those skilled in the art referring to specification
Text can be implemented accordingly.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein are not precluded one or more
The presence or addition of a other elements or combinations thereof.
As shown in figures 1-8, a kind of optical system for binocular fatigue strength measuring device of the present embodiment, including doubly telecentric
Camera lens 1, infrared camera 2, infrared illumination source 3, stimulation light and flicker fusion frequency integration module 4, reflecting mirror 5 and dichroscope
6。
It stimulates the surface of light and flicker fusion frequency integration module 4 that irritating area source 40 is set, stimulates in area source 40
Centre is provided with bright spot light source 41.The light source in light and flicker fusion frequency integration module 4 including multiple color is stimulated, a kind of excellent
Select is 4 kinds in embodiment.
The stimulation light and bright spot light that stimulation light and flicker fusion frequency integration module 4 issue reach after the reflection of reflecting mirror 5
Dichroscope 6, then human eye 7 is reflexed to through dichroscope 6；The illumination light that the reflected light and infrared illumination source 3 of human eye 7 issue is saturating
Dichroscope 6 is penetrated, then reaches infrared camera 2 after doubly telecentric camera lens 1；
Wherein, stimulating light source module and the module-integrated design of critical radar cross section, reduce the volume of device, and
Stimulating light source is designed using multiple color area source, and uniform illumination degree is high, and when carrying out pupillary light reflex measurement, human eye 7 is not
Appropriateness is substantially reduced, and can also carry out more color pupillary light reflex measurements.
Doubly telecentric camera lens 1 includes for two two be imaged respectively in left and right, infrared camera 2 to include being detachably connected on
Two on doubly telecentric camera lens 1.Each camera lens is only imaged single human eye 7, improves apparatus measures to the pupil of light reflection interval
The measurement accuracy of bore dia.
Using optical system of the invention, and combine other necessary external accessories that the measurement of binocular fatigue strength is made
Device can carry out the measurement of pupillary light reflex time, to judge the fatigue state of human body.Necessary external accessory generally may be used
Including for carrying out calculating analysis software processing system and some conventional mechanical components to measurement data.
In one embodiment, pupil pair is carried out using the binocular fatigue strength measuring device based on optical system of the invention
The process of light reflection interval measurement are as follows: first the bright spot light source 41 for stimulating light and flicker fusion frequency integration module 4 is opened and set
It being set to and is always on, the image of bright spot light source 41 is reflected by reflecting mirror 5 and dichroscope 6, an observation sighting target is provided for human eye 7,
The stabilization of human eye 7 when keeping measuring.Then infrared illumination source 3 is opened simultaneously, human eye 7 is illuminated, at this time 7 image of human eye
Infrared camera 2 is reached through dichroscope 6, doubly telecentric camera lens 1.After 7 image of human eye keeps stablizing, opens stimulation light and flash of light is melted
The stimulation area source 40 of sum of fundamental frequencies rate integration module 4 completes the light stimulus to human eye 7.Then it through the software systems in device, calculates
Pupil is to light reflection interval out.When carrying out critical radar cross section measurement, stimulation light and flicker fusion frequency are integrated into mould
The stimulation area source 40 of block 4 is set as being always on, and the critical flicker fusion frequency of human eye 7 is measured by adjusting bright spot flicker frequency
Rate.By the composite measurement of measurement and critical radar cross section to the pupillary light reflex time, the tired shape of human body is judged
State.
One end of doubly telecentric camera lens 1 is provided with connecting sleeve 8, and one end of camera is provided with connecting insertion 9；Connecting insertion 9
It is plugged in connecting sleeve 8 for cooperating, to realize being detachably connected for doubly telecentric camera lens 1 and camera.Doubly telecentric camera lens 1 and phase
Machine can realize that fast and easy mounts and dismounts, and can improve the convenience installed and used.
Positioning inserting column 90 is provided on the end face of connecting insertion 9, the other end of positioning inserting column 90 has curved end 91, even
It is provided with locating piece 80 on the inner wall of female connector pipe 8, the location hole 81 for the positioning cooperation insertion of inserting column 90 is offered on locating piece 80.
Alignment mark line (not shown) is additionally provided in connecting sleeve 8, alignment mark line, location hole 81, positioning inserting column 90 are same
On straight line.
It is provided with arc spring lamination 82 on 81 inner wall of location hole, positions and offers on the outer wall of inserting column 90 for accommodating arc bullet
The arc groove 92 of piece 82.Referring to Fig. 5 and Fig. 7, in an advantageous embodiment, location hole 81 is rectangular opening, opposite two
Arc spring lamination 82 is provided on inner wall；Positioning inserting column 90 is rectangular cylinder, and it is recessed to offer arc on two opposite outer walls
Slot 92.It positions inserting column 90 and arc spring lamination 82 is broken through by its curved end 91, after heading into insertion location hole 81, on location hole 81
The arc spring lamination 82 of lower two inner walls is fastened in the arc groove 92 on positioning about 90 two outer wall of inserting column, and generates extruding, is locked
Tightening position inserting column 90, consequently facilitating positioning inserting column 90 is installed in place, and enables the positioning stabilization of inserting column 90 to be fastened in location hole 81,
The stability of connection can be improved.
Doubly telecentric camera lens 1 is detachably connected with camera, and realizes locking by locking member 84, can facilitate doubly telecentric camera lens 1
With the installation and replacement of camera, the convenience used is improved.Specifically, referring to Fig. 7, in one embodiment, connecting sleeve 8
Mounting groove 83 is offered on inner wall, and locking member 84 is provided in mounting groove 83；Locking member 84 includes connecting with the inner wall of mounting groove 83
The pillar 840 that connects, be rotatably connected on pillar 840 transverse slat 841, be connected to 841 one end of transverse slat briquetting 842, be connected to
The latch segment 843 of 841 other end of transverse slat and the first spring 844 being connected between latch segment 843 and the inner wall of mounting groove 83.Even
The aperture 845 of perforation to mounting groove 83 stretched out for briquetting 842 is offered on the outer wall of female connector pipe 8.The upper end of briquetting 842 also connects
It is connected to chuck 846, second spring 847 is connected between chuck 846 and the outer wall of connecting sleeve 8.On the outer wall of connecting insertion 9 also
Offer the locking slot 93 for the cooperation insertion of latch segment 843.
Referring to Fig. 3, the setting of connecting sleeve 8 is connected to doubly telecentric by connecting insertion 9 in 1 right end of doubly telecentric camera lens, camera 1
The right end of camera lens 1.When doubly telecentric camera lens 1 to be connect with camera to installation, first by the positioning inserting column 90 and connector sleeve on connecting insertion 9
Alignment mark line alignment (realize the alignment of positioning inserting column 90 and location hole 81), then presses inward against briquetting 842, presses on pipe 8
The transverse slat 841 of block 842, chuck 846 and the end moves down, and chuck 846 compresses second spring 847, in the rotation branch of pillar 840
Under support effect, 841 other end of transverse slat squeezes the first spring 844 and moves up, and takes in latch segment 843 in mounting groove 83；So
Connecting insertion 9 is inserted into connecting sleeve 8 afterwards, and is deep into bottom, is inserted into the cooperation of positioning inserting column 90 on connecting insertion 9 fixed
In the hole 81 of position, while the locking slot 93 on the outer wall of connecting insertion 9 is moved to the lower section of latch segment 843；Briquetting 842 is unclamped again,
Press latch segment 843, second spring 847 press chuck 846 to first spring 844 upwards downwards, and the transmitting for passing through transverse slat 841 acts on
Also downward pressure is generated to pressure latch segment 843, latch segment 843 moves down, and cooperation snaps onto locking slot 93, realizes lock
Tightly, it completes the connection of doubly telecentric camera lens 1 and camera.When disassembly, briquetting 842 is first pressed, makes latch segment 843 out of locking slot 93
It is detached from, realizes unlock, connecting insertion 9 is extracted out out of connecting sleeve 8 then, doubly telecentric camera lens 1 can be removed from camera.
To easy to disassemble, conducive to using.In an advantageous embodiment, locking member 84 includes symmetrically arranged 2 groups.Second spring
847 can enhance the coupling mechanism force of pressure latch segment 843, cooperate with the first spring 844, make to lock stronger；Second spring 847 simultaneously
Generate upward elastic force to chuck 846, the return of briquetting 842 can be promoted, with chuck 846 cooperate, can prevent briquetting 842 to
The phenomenon that lower movement is excessively goed deep into locking slot 93 completely, causes briquetting 842 that can not pop up return.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details.
Claims (10)
1. a kind of optical system for binocular fatigue strength measuring device, which is characterized in that including doubly telecentric camera lens, infrared phase
Machine, infrared illumination source, stimulation light and flicker fusion frequency integration module, reflecting mirror and dichroscope；
Irritating area source, the stimulation area source center is arranged in the surface of the stimulation light and flicker fusion frequency integration module
It is provided with bright spot light source；
The stimulation light and bright spot light that the stimulation light and flicker fusion frequency integration module issue arrive after reflecting mirror reflection
Human eye is reflexed to up to the dichroscope, then through the dichroscope；The reflected light of human eye and the infrared illumination source issue
Illumination light transmission described in dichroscope, then reach the infrared camera after the doubly telecentric camera lens.
2. the optical system according to claim 1 for binocular fatigue strength measuring device, which is characterized in that described double remote
Heart camera lens includes for two two be imaged respectively in left and right, the infrared camera to include being detachably connected on the doubly telecentric
Two on camera lens.
3. the optical system according to claim 2 for binocular fatigue strength measuring device, which is characterized in that described double remote
One end of heart camera lens is provided with connecting sleeve, and one end of the camera is provided with connecting insertion；The connecting insertion is for cooperating
It is plugged in the connecting sleeve, to realize being detachably connected for the doubly telecentric camera lens and camera.
4. the optical system according to claim 3 for binocular fatigue strength measuring device, which is characterized in that the connection
Be provided with positioning inserting column on the end face of intubation, the other end of the positioning inserting column has a curved end, the connecting sleeve it is interior
It is provided with locating piece on wall, the location hole for the positioning inserting column cooperation insertion is offered on the locating piece.
5. the optical system according to claim 4 for binocular fatigue strength measuring device, which is characterized in that the positioning
Arc spring lamination is provided on the inner wall of hole, the arc offered on the outer wall of the positioning inserting column for accommodating the arc spring lamination is recessed
Slot.
6. the optical system according to claim 5 for binocular fatigue strength measuring device, which is characterized in that the positioning
Hole is rectangular opening, is provided with the arc spring lamination on two opposite inner walls；The positioning inserting column is rectangular cylinder, opposite
Two outer walls on offer the arc groove.
7. the optical system according to claim 5 for binocular fatigue strength measuring device, which is characterized in that the connection
Mounting groove is offered on the inner wall of casing, is provided with locking member in the mounting groove；
The locking member include the pillar being connect with the inner wall of the mounting groove, be rotatably connected on the pillar transverse slat,
It is connected to the briquetting of described transverse slat one end, be connected to the latch segment of the transverse slat other end and is connected to the latch segment and installation
The first spring between the inner wall of slot.
8. the optical system according to claim 7 for binocular fatigue strength measuring device, which is characterized in that the connection
The aperture of perforation to the mounting groove stretched out for the briquetting is offered on the outer wall of casing.
9. the optical system according to claim 8 for binocular fatigue strength measuring device, which is characterized in that the briquetting
Upper end be also connected with chuck, be connected with second spring between the chuck and the outer wall of connecting sleeve.
10. the optical system according to claim 9 for binocular fatigue strength measuring device, which is characterized in that the company
The locking slot for latch segment cooperation insertion is also provided on the outer wall of jacket pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811236460.9A CN109350005B (en) | 2018-10-23 | 2018-10-23 | Optical system for binocular fatigue measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811236460.9A CN109350005B (en) | 2018-10-23 | 2018-10-23 | Optical system for binocular fatigue measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109350005A true CN109350005A (en) | 2019-02-19 |
| CN109350005B CN109350005B (en) | 2023-11-24 |
Family
ID=65346292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811236460.9A Active CN109350005B (en) | 2018-10-23 | 2018-10-23 | Optical system for binocular fatigue measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109350005B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215219A (en) * | 2019-06-18 | 2019-09-10 | 中国人民解放军空军特色医学中心 | High-precision intelligent type CFF detection system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2453879Y (en) * | 2000-10-13 | 2001-10-17 | 余鹏 | Visual physiological therapeutic instrument |
| CN1960670A (en) * | 2004-04-01 | 2007-05-09 | 威廉·C·托奇 | Biosensors, communicators, and controllers for monitoring eye movement and methods for using them |
| US20070242223A1 (en) * | 2004-03-30 | 2007-10-18 | Akio Nakagawa | Pupil Reaction Ascertaining Device and Fatigue Recovery Promoting Device |
| CN204839441U (en) * | 2015-07-24 | 2015-12-09 | 中国人民解放军空军航空医学研究所 | Synthesize device that maincenter fatigue test is carried out in critical flicker fusion frequency and eye movement reaction |
| CN204971326U (en) * | 2015-07-24 | 2016-01-20 | 中国人民解放军空军航空医学研究所 | Adopt critical flicker fusion frequency to detect tired device of maincenter |
| CN105520713A (en) * | 2015-11-30 | 2016-04-27 | 中国科学院苏州生物医学工程技术研究所 | Binocular pupil light reflex measuring equipment |
-
2018
- 2018-10-23 CN CN201811236460.9A patent/CN109350005B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2453879Y (en) * | 2000-10-13 | 2001-10-17 | 余鹏 | Visual physiological therapeutic instrument |
| US20070242223A1 (en) * | 2004-03-30 | 2007-10-18 | Akio Nakagawa | Pupil Reaction Ascertaining Device and Fatigue Recovery Promoting Device |
| CN1960670A (en) * | 2004-04-01 | 2007-05-09 | 威廉·C·托奇 | Biosensors, communicators, and controllers for monitoring eye movement and methods for using them |
| CN204839441U (en) * | 2015-07-24 | 2015-12-09 | 中国人民解放军空军航空医学研究所 | Synthesize device that maincenter fatigue test is carried out in critical flicker fusion frequency and eye movement reaction |
| CN204971326U (en) * | 2015-07-24 | 2016-01-20 | 中国人民解放军空军航空医学研究所 | Adopt critical flicker fusion frequency to detect tired device of maincenter |
| CN105520713A (en) * | 2015-11-30 | 2016-04-27 | 中国科学院苏州生物医学工程技术研究所 | Binocular pupil light reflex measuring equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215219A (en) * | 2019-06-18 | 2019-09-10 | 中国人民解放军空军特色医学中心 | High-precision intelligent type CFF detection system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109350005B (en) | 2023-11-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105030205B (en) | Handheld optical high-resolution high-power intelligent skin testing analyzer and system and method thereof | |
| WO2015127896A1 (en) | Helmet-type thermal imaging apparatus | |
| CN109350005A (en) | Optical system for binocular fatigue strength measuring device | |
| CN205849429U (en) | Adapter | |
| CN203133456U (en) | Rapidly assembling and disassembling camera viewfinder | |
| CN105380590B (en) | A kind of equipment and its implementation with eye position detection function | |
| CN208450990U (en) | Radar tooling and radar assembly equipment | |
| CN105044914B (en) | A kind of the penetration glasses and method of adjustable output picture contrast | |
| CN209915943U (en) | Optical system for binocular fatigue degree measuring device | |
| CN103442222A (en) | Miniature coil pipe capable of switching different directions to shoot | |
| CN108803002B (en) | Endoscope with a lens | |
| CN103234514B (en) | Methods for distance measurement and offset measurement with single camera and for realizing naked eye 3D grating adjustment | |
| CN110263672A (en) | A kind of binocular 3D grid high-fidelity human face expression capture system | |
| CN206039056U (en) | Piece lamp is seen to medical science image | |
| CN204410769U (en) | A kind of fibre opic endoscope supporting with mobile phone | |
| CN209315829U (en) | A kind of endoscope | |
| CN112379586A (en) | Mounting structure of intelligent watch vibrating motor | |
| CN202069566U (en) | Economic and portable type lighting source for hard tube telescope | |
| CN214342525U (en) | Stability puncture ware | |
| KR20170085696A (en) | Eye protection lighting systems | |
| CN213982899U (en) | Easy-to-detach mounting device for video monitoring | |
| CN214408659U (en) | CCD visual detection device | |
| CN209689887U (en) | Fire-fighting evacuation lamp surface brightness measuring system based on the method for equal effect | |
| CN204995419U (en) | Cell -phone endoscope buckle device | |
| CN205758501U (en) | A kind of endoscope camera settings |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |