CN209661607U - A kind of dark adaptation detection device - Google Patents
A kind of dark adaptation detection device Download PDFInfo
- Publication number
- CN209661607U CN209661607U CN201822086026.9U CN201822086026U CN209661607U CN 209661607 U CN209661607 U CN 209661607U CN 201822086026 U CN201822086026 U CN 201822086026U CN 209661607 U CN209661607 U CN 209661607U
- Authority
- CN
- China
- Prior art keywords
- light
- dark adaptation
- adaptation
- light source
- detection device
- 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.)
- Active
Links
Landscapes
- Eye Examination Apparatus (AREA)
Abstract
Dark adaptation detection device provided by the utility model, light adaptation detection environment, dark adaptation detection environment and corresponding different brightness degrees and various forms of scotopia marks can be generated respectively, the judgement realized the automatic switchover of each environment with main controller controls and examinee is responded, the state of examinee's eyes passes through camera, it shows on a display screen, the motion state that eyeball under light adaptation or dark adaptation environment can be observed keeps checking process and result objective and accurate as the foundation of objective determination.The utility model has automatic light stabilizing system simultaneously, it is possible to reduce by device heating or aging bring systematic error.
Description
Technical field
The utility model relates to field of visual inspection, in particular to a kind of dark adaptation detection device.
Background technique
Night vision refers to that human eye abruptly enters the ability for being gradually recovered in dark surrounds and distinguishing object under bright light environments,
That is the process capability that changes from weak to strong of eyesight.In general, people needs to adapt to substantially for 3~6 minutes, can be complete after 10~13 minutes
It is complete to adapt to.The Clinical significance of detecting of the project is mainly reflected in driving adaptability testing: high-speed running automobile light and shade sharply
On the road of variation, since vision cannot adapt to be easy to generate the driving behavior for jeopardizing traffic safety immediately, and then cause to pacify
The generation of full accident；Especially driving at night or enter and leave tunnel bridges and culverts when, accident rate is apparently higher than daytime, and main cause is exactly night
The traffic information that mesopic vision obtains can drop sharply to 50% or so of information on daytime.
The tool detected at present to night vision is that dark adaptation checks equipment, existing dark adaptation check equipment be light harvesting,
The mechanical, electrical instrument in one.Opticator provides scotopia mark and infrared photography of different brightness degrees etc.；Electronic section includes single
Piece machine system and each control interface and executive component；Mechanical part includes Instrument shell, each optics, the support of electronic device, biography
Dynamic component etc., in above-mentioned device, structure is relatively simple, in use process, has the reason of design and aging that can have detection essence
Not high problem is spent, very big inconvenience is caused to detection work.
Utility model content
The utility model embodiment provides a kind of dark adaptation detection device, and detection accuracy is high, facilitates detection, is suitable for flying
The inspection of machine, steamer, train, automobile and all kinds of drivers and various night work personnel night vision functions.
A kind of dark adaptation detection device is connected to and has including shell, setting eyeshade on the housing, with the eyeshade
There are the light adaptation cavity, the light hole positioned at the light adaptation cavity bottom, the sighting target that is arranged at the light hole of cavity to turn
Disk, the first stepper motor for realizing sighting target turntable rotation, the first position for positioning the sighting target disk position
Sensor, the dark adaptation light source for providing illumination for the sighting target turntable, for the camera shooting of captured in real-time human eye movement's state
Head, the second display screen for showing the camera shooting image make walking direction knot according to sighting target for receiving user
The push rod of fruit, for the first display screen and master controller of display operation prompt and testing result, the master controller point
It is not shown with first stepper motor, the first position sensor, the dark adaptation light source, the camera, described first
Display screen and second display screen electrical connection, the light adaptation cavity include light adaptation light source and integral chamber, the light adaptation
Light source is located at the intracavitary portion of integral and closes after the light adaptation light source igniting preset time in carrying out detection process, described
Camera acquires the motion state of human eye in real time and is shown in the second display screen, and the master controller obtains the movement of push rod
Data simultaneously will test as the result is shown on first display screen.
It optionally, further include for providing the grating bar generator for moving horizontally light and dark striped, the gratings strips hair
Raw device is electrically connected with the master controller, and the grating bar generator is equipped with for detecting grating dimmer initial position
Two position sensors, the second position sensor are electrically connected with the master controller.
Optionally, the integral chamber is coated with diffusing reflection paint using integrating sphere cylinder inner wall, and the light adaptation light source is arranged in institute
On the inner wall for stating integrating sphere cylinder, the bottom of the integrating sphere cylinder is arranged in the light hole, and the grating bar generator setting exists
The inner wall of the integrating sphere cylinder opposite with the light adaptation light source is connected to.
It optionally, further include episcotister for adjusting the dark adaptation light source light passing amount, the episcotister is furnished with
For detecting the third place sensor of the episcotister initial position, the third place sensor and the master controller
Electrical connection, the episcotister have the through-hole in multiple and different apertures, and the dark adaptation light source is radiated at institute by the through-hole
It states on sighting target turntable, the rotor shaft direction of the episcotister is parallel with the direction of illumination of the dark adaptation light source.
It optionally, further include dazzling light lamp, the dazzling light lamp is arranged in the adjacent light hole of the integrating sphere cylinder
On wall, the direction of illumination of the dazzling light lamp is towards the eyeshade.
Optionally, it is provided with the first light intensity sensor at the light adaptation light source, is provided at the dark adaptation light source
Two light intensity sensors, the light intensity data point that the master controller acquires first light intensity sensor and the second light intensity sensor
It is not compared with corresponding default light intensity numerical value, when light intensity data is lower than the default light intensity numerical value, system is automatically by light intensity tune
Save default value.
It optionally, further include the printer for printing testing result and the input unit for receiving information input,
The printer, the input unit are electrically connected with the master controller respectively.
Optionally, the input unit uses film key formula input keyboard, and the printer uses stylus printer.
Optionally, first display screen selects 4 row, 8 chinese disply Liquid Crystal Module, and the second display screen uses 5 cun of liquid
Crystal display screen, the camera use CMOS light and shade camera, and the master controller uses ATmga64 single-chip microcontroller, described dark suitable
Light source, grating lamp bar generator and the dazzle lamp is answered to be all made of 5V 2A specification.
It optionally, further include power module, the power module is electrically connected with the master controller.
As can be seen from the above technical solutions, the utility model embodiment has the advantage that
Dark adaptation detection device provided by the utility model can generate light adaptation detection environment, dark adaptation detection ring respectively
Border and corresponding different brightness degrees and various forms of scotopia marks, with main controller controls realize each environment automatic switchover and
Judgement to examinee's response, the state of examinee's eye motion are shown on a display screen by camera, can be observed bright suitable
Checking process and result should be kept objective and accurate as the foundation of objective determination with the motion state of eyeball under dark adaptation environment.Together
When the utility model have automatic light stabilizing system, it is possible to reduce device heating and aging bring systematic error.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of embodiment of dark adaptation detection device provided by the utility model；
Fig. 2 is a kind of schematic internal view of embodiment of dark adaptation detection device provided by the utility model；
Fig. 3 is a kind of functional block diagram of embodiment of dark adaptation detection device provided by the utility model；
Fig. 4 be a kind of embodiment of dark adaptation detection device provided by the utility model subjective night vision and subjectivity it is fast
Fast dark adaptation checks block diagram；
Fig. 5 is a kind of subjective threshold value+dazzle check box of embodiment of dark adaptation detection device provided by the utility model
Figure；
Fig. 6 is that a kind of objective dark adaptation of embodiment of dark adaptation detection device provided by the utility model checks block diagram；
Fig. 7 is a kind of objective threshold value+dazzle check box of embodiment of dark adaptation detection device provided by the utility model
Figure.
Appended drawing reference: 1- light adaptation light source, 2- sighting target turntable, 3- episcotister, 4- dark adaptation light source, 5- camera, 6-
First display screen, 7- second display screen, 8- input unit, 9- printer, 10- grating bar generator, 11- integrating sphere cylinder, 12- are dizzy
Light lamp, 13- eyeshade, 14- push rod, 15- shell.
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model a part, instead of all the embodiments.Based on the reality in the utility model
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts is all answered
When the range for belonging to the utility model protection.
The specification and claims of the utility model and term " first " in above-mentioned attached drawing, " second ", " third ",
" 4th " etc. is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that in this way
The data used are interchangeable under appropriate circumstances, so that the embodiments described herein can be in addition to illustrating herein or describing
Content other than sequence implement.In addition, term " includes " and " having " and their any deformation, it is intended that covering is not
Exclusive includes, for example, the process, method, system, product or equipment for containing a series of steps or units be not necessarily limited to it is clear
Step or unit those of is listed on ground, but is not clearly listed or for these process, methods, product or is set
Standby intrinsic other step or units.
Referring to figs. 1 and 2, the utility model provides a kind of dark adaptation detection device, including shell 15, setting exist
Eyeshade 13 on the shell 15 is connected to the eyeshade 13 and the light adaptation cavity (not shown) with cavity, is located at
The light hole (not shown) of the light adaptation cavity bottom, the sighting target turntable 2 being arranged at the light hole, for realizing
First stepper motor (not shown) of the rotation of sighting target turntable 2, first for positioning 2 position of sighting target turntable
Set sensor (not shown), the dark adaptation light source 4 for providing illumination for the sighting target turntable 2, for shooting human eye fortune
The camera 5 of dynamic state, for showing that the camera 5 shoots the second display screen 7 of image, for receiving user according to sighting target
Make the push rod 14 of walking direction result, for display operation prompt and the first display screen 6 and the main control of testing result
Device (not shown), the master controller respectively with first stepper motor, the first position sensor, described dark suitable
Light source 4, the camera 5, first display screen 6 and the second display screen 7 is answered to be electrically connected, the light adaptation cavity includes
Light adaptation light source 1 and integral chamber, the light adaptation light source 1 is located at the intracavitary portion of integral, described in carrying out detection process
Light adaptation light source 1 is closed after lighting preset time, and the camera 5 acquires human eye movement's state in real time and is shown in described second
Display screen 7, the master controller obtain the exercise data of push rod 14 and will test as the result is shown on first display screen 6.
It being rotated by the first stepper motor band moving target turntable 2, realizes the replacement of sighting target, sighting target can use " E " word mark,
I.e. corresponding four direction up and down, sighting target turntable 2 use disc structure, and sighting target, sighting target is arranged around the center of sighting target turntable 2
Between be arranged at equal intervals, this is not construed as limiting.
Dark adaptation detection device further includes passing through for providing the grating bar generator 10 for moving horizontally light and dark striped
Grating bar generator 10 can be electrically connected with skimulated motion striped, the grating bar generator 10 with the master controller, the light
Grizzly bar generator 10 is equipped with the second position sensor (not shown) for detecting grating dimmer initial position, described
Second position sensor is electrically connected with the master controller.
Integrating intracavitary portion can diffuse, and build the environment of uniform luminance, and in the present embodiment, integral chamber uses integrating sphere
11 inner walls of cylinder are coated with diffusing reflection paint, and similar ellipsoidal structure, light adaptation light source 1 is arranged on the inner wall of the integrating sphere cylinder 11,
The light hole is arranged in the bottom of the integrating sphere cylinder 11, the setting of grating bar generator 10 with the light adaptation light source
The inner wall of the 1 opposite integrating sphere cylinder 11 is connected to, at 2 face light hole of sighting target turntable, convenient for observation.
Dark adaptation detection device further includes the episcotister 3 for adjusting the 4 light passing amount of dark adaptation light source, episcotister
3 use disc-shape, and the episcotister 3 has the through-hole in multiple and different apertures, and multiple through-holes are also around episcotister 3
The setting of circumferencial direction interval, the dark adaptation light source 4 is radiated on the sighting target turntable 2 by the through-hole, the dim light
The rotor shaft direction of turntable 3 is parallel with the direction of illumination of the dark adaptation light source 4.The setting of episcotister 3 is in second stepper motor (figure
In be not shown) on, drive episcotister 3 to rotate by the rotation of second stepper motor, and then realize the adjusting to luminous flux, it is real
The adjusting of existing multiple brightness, the episcotister 3 are furnished with the third place for detecting 3 initial position of episcotister and sense
Device (not shown), the third place sensor are electrically connected with the master controller.
(do not show in figure it should be noted that being additionally provided with gratings strips stepper motor in the gratings strips of grating bar generator 10
Out), dimmer stepper motor is equipped in grating dimmer (not shown), each stepper motor has corresponding
Motor driver, those of ordinary skill in the art are it is to be appreciated that be not construed as limiting this.
Dark adaptation detection device further includes dazzling light lamp 12, and the adjacent institute of the integrating sphere cylinder 11 is arranged in the dazzling light lamp 12
It states on the inner wall of light hole, the direction of illumination of the dazzling light lamp 12 is towards the eyeshade 13, and the brightness of dazzling light lamp 12 is higher than here
The brightness of light adaptation light source 1 can provide dazzle detection environment.
It is provided with the first light intensity sensor (not shown) at light adaptation light source 1, is provided at the dark adaptation light source 4
Second light intensity sensor (not shown), the master controller adopt first light intensity sensor and the second light intensity sensor
The light intensity data of collection is compared with corresponding default light intensity numerical value respectively, when light intensity data is lower than the default light intensity numerical value
Carry out automatic adjusument.By the analysis and discussion to model machine, it is found that light adaptation light source 1 and dark adaptation light source 4 are using one section
The decaying of light is had after time, and is affected to measurement.User will not go to measure light intensity and calibrate, and pass through
In addition the light intensity sensor of light adaptation light source 1 and dark adaptation light source 4, after completing calibration, by light intensity sensor by light intensity
Numerical value remains into system, when after a period of use, when light adaptation light source 1 or 4 light intensity of dark adaptation light source change, and steady spectrum
System automatically adjusts light intensity to corresponding default value.Steady photosystem provided by the utility model is significantly reduced since light intensity changes
Caused detection error.
Dark adaptation detection device further includes printer 9 for printing testing result and for receiving the defeated of information input
Enter device 8, the printer 9, the input unit 8 are electrically connected with the master controller respectively.
In order to extend the way of output of testing result, can also be detected using cell phone application and dark adaptation in the utility model
Equipment is bound, and directly be will test result after the completion of to be detected and is sent in cell phone application, human-computer interaction is more preferable, meets user
Use habit, facilitate inquiry.
In the present embodiment, the first stepper motor and second stepper motor are all made of the driving method that every step segments (8 frequency dividing),
Keep stepper motor more stable and accurate.
In the present embodiment, the input unit 8 uses film key formula input keyboard, and the printer 9 is beaten using pin type
Print machine is not construed as limiting this.
In the present embodiment, first display screen 6 selects 4 row, 8 chinese disply Liquid Crystal Module, and the second display screen 7 is adopted
With 5 cun of liquid crystal displays, the camera 5 uses CMOS black and white camera, and the master controller uses ATmga64 single-chip microcontroller,
ATmga64 single-chip microcontroller has 64K FLASH, SDRAM, 8 10, tunnel ADC in 2K EEPROM, 4K piece.Work performance in 16MHz
Up to 16MIPS, the interior band house dog of piece, the dark adaptation light source 4, grating lamp bar generator and the dazzle lamp 12 are all made of
5V 2A specification.
Dark adaptation detection device further includes power module, and the power module is electrically connected with the master controller, main control
Power module of the plate using 5V 4A, 12V 1A, the power module of LCD TV and camera 5 using 12V 4A, the first stepping electricity
Machine and second stepper motor and driver use the power module of 24V 6A, and dark adaptation lamp, grating lamp, dazzle lamp 12 use 5V
The power module of 2A guarantees the stability and reliability of system in this way.
The operating process of dark adaptation detection device provided by the utility model can be such, is simply situated between below
It continues:
One, subjective night vision inspection
Subjective night vision checking step for Fig. 4 as shown in figure 4, be explained as follows:
1. selection input examinee's basic document is indicated by keyboard input Y when the prompt information in liquid crystal display frame D,
Otherwise it does not input.Frame E is same as above.
2. the personal information of examinee includes: 1. serial number；2. name；3. gender；4. the age；5. the flight time.Individual's money
Material should input in order, input in information process such as discovery input error, can press " Back Space " key deletion error information, or
" Esc " key is pressed back to previous step.
3. eyes should be close to cabinet eyeshade by examinee, push rod, after light adaptation 2 minutes (having time is shown), instrument are held
Automatically into dark adaptation, examiner exhorts that examinee observes E type visual chart, judges " E " word notch direction, and push rod is pushed to return
It answers, pushes away wrong push rod or delay one minute twice in succession, instrument will end automatically inspection, and show night vision result and institute's used time
Between.It such as selects to print, then prints test result；
4., if keyboard input " 1 " returns to main menu, input " 2 " continues this item inspection under frame F menu prompt.
Two, subjective quickly dark adaptation inspection
If Fig. 4 selects 2 in frame C, then enters subjective quickly dark adaptation inspection, other operating processes and be same as above, this project is wanted
It asks examinee's eyes to be close to cabinet eyeshade, holds push rod, after examinee receives light adaptation 2 minutes, system is automatically into quickly dark
It adapts to check, examiner exhorts examinee's observation, judges the arrow direction of sighting target below red indicator light, and push rod is pushed to return
It answers, answer correctly then ends automatically inspection, finally provides subjective quick dark adaptation time.
Three, subjective threshold value and dazzle inspection
If Fig. 4 selects 3 in frame C, then enter subjective threshold value+dazzle inspection, as shown in figure 5, this inspection requirements is tested
Person's eyes are close to cabinet eyeshade, hold push rod, for system automatically into dark adaptation, doctor exhorts that examinee sees to light adaptation after five minutes
Examine, judge sighting target (arrow) direction below red indicator light, and push rod is pushed to answer, whenever examinee answer it is correct, instrument from
It moves the dimmed level-one of brightness (until 10-5), detection brightness is divided into six ranks of J0-J5, in J5 gray scale, examinee
After answer sighting target is in the right direction, dazzle lamp is opened 5 seconds, is then again introduced into dark adaptation, and examinee continues to observe sighting target (arrow
Head) simultaneously push rod is answered in direction, and after answering correctly, system, which ends automatically, this time to be checked.
Four, objective quick dark adaptation inspection
This detection project requires examinee's eyes to be close to cabinet eyeshade, and objective dark adaptation is entered after light adaptation 2 minutes, is detected
Person observes the mobile light and dark striped of red indicating light lower horizontal, and silent number raster count, examiner pass through monitor
Examinee's eye movement situation is observed, after examinee occurs nystagmus 3 times, examiner arbitrarily pushes push rod to terminate to check, finally shows
Show objective quick dark adaptation time.
Five, objective threshold value and dazzle inspection
If Fig. 6 selects 2 to enter objective threshold value+dazzle inspection in frame G, other operations are the same as objective dark adaptation, this inspection
It is required that examinee's eyes are close to cabinet eyeshade, light adaptation enters " objective threshold value+dazzle " detection after five minutes, and examinee observes water
The light and dark striped of flat movement, and silent number striation number, examiner observe examinee's eyes by monitor, examinee occurs
After nystagmus 3 times, examiner arbitrarily pushes push rod, and instrument is automatically by the dimmed level-one of brightness (until 10-5), repeat behaviour above
Make, detection brightness is divided into six ranks of J0-J5.After J5 gray scale examiner's push rod, dazzle lamp 12 is opened 5 seconds, 5 seconds
Afterwards automatically into dark adaptation, examinee observes the light and dark striped of horizontal movement and reads silently striation number, and examiner passes through prison
Visual organ observes examinee's eyes, and when subject's eye movement (nystagmus) 3 times, examiner arbitrarily pushes push rod, terminates this inspection.
Dark adaptation detection device provided by the utility model can generate light adaptation detection environment, dark adaptation detection ring respectively
Border and corresponding different brightness degrees and various forms of scotopia marks, with main controller controls realize each environment automatic switchover and
Judgement to examinee's response, the motion state of examinee's eyes are shown on a display screen by camera, can be observed bright suitable
Answer or dark adaptation under the conditions of the motion state of eyeball keep checking process and result objective and accurate as the foundation of objective determination.
The utility model has automatic light stabilizing system simultaneously, it is possible to reduce device heating or aging bring systematic error.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the utility model can integrate in one processing unit,
It can be each unit to physically exist alone, can also be integrated in one unit with two or more units.It is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage
Medium may include: read-only memory (ROM, Read Only Memory), random access memory (RAM, Random
Access Memory), disk or CD etc..
A kind of dark adaptation detection device provided by the utility model is described in detail above, for this field
Those skilled in the art have change based on the idea of the embodiment of the present invention in specific embodiments and applications
Place, in conclusion the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. a kind of dark adaptation detection device, which is characterized in that including the eyeshade and the eye of shell, setting on the housing
Cover is connected to and the light adaptation cavity with cavity, the light hole positioned at the light adaptation cavity bottom, setting are in the light hole
The sighting target turntable at place, for realizing the sighting target turntable rotation the first stepper motor, for positioning the sighting target disk position
First position sensor, the dark adaptation light source for providing illumination for the sighting target turntable, for monitoring examinee's eye-shaped
The camera of state, the second display screen for showing camera shooting image, for receiving user according to the sighting target side of making
To the push rod of judging result, for the first display screen and master controller of display operation prompt and testing result, the master
Controller respectively with first stepper motor, the first position sensor, the dark adaptation light source, the camera, institute
The first display screen and second display screen electrical connection are stated, the light adaptation cavity includes light adaptation light source and integral chamber, institute
It states clearly and adapts to light source positioned at the intracavitary portion of integral, in carrying out detection process, after the light adaptation light source igniting preset time
It closes, the camera acquires the motion state of human eye in real time and is shown in the second display screen, and the master controller obtains
The exercise data of push rod simultaneously will test as the result is shown on first display screen.
2. dark adaptation detection device according to claim 1, which is characterized in that further include moving horizontally light and shade for providing
The grating bar generator of alternate striped, the grating bar generator are electrically connected with the master controller, the grating bar generator
The upper second position sensor equipped with for detecting grating dimmer initial position, the second position sensor and the master control
Device electrical connection processed.
3. dark adaptation detection device according to claim 2, which is characterized in that the integral chamber uses integrating sphere cylinder inner wall
It is coated with diffusing reflection paint, the light adaptation light source is arranged on the inner wall of the integrating sphere cylinder, and the light hole is arranged in the product
The bottom of bulb separation cylinder, the inner wall that the integrating sphere cylinder opposite with the light adaptation light source is arranged in the grating bar generator connect
It is logical.
4. dark adaptation detection device according to claim 1, which is characterized in that further include for adjusting the dark adaptation light
The episcotister of source light passing amount, the episcotister are furnished with the third place for detecting the episcotister initial position and sense
Device, the third place sensor are electrically connected with the master controller, and the episcotister has the through-hole in multiple and different apertures,
The dark adaptation light source is radiated on the sighting target turntable by the through-hole, the rotor shaft direction of the episcotister and described dark
The direction of illumination for adapting to light source is parallel.
5. dark adaptation detection device according to claim 3, which is characterized in that further include dazzling light lamp, the dazzling light lamp is set
It sets on the inner wall of the adjacent light hole of the integrating sphere cylinder, the direction of illumination of the dazzling light lamp is towards the eyeshade.
6. dark adaptation detection device according to claim 1, which is characterized in that be provided with first at the light adaptation light source
Light intensity sensor is provided with the second light intensity sensor at the dark adaptation light source, and the master controller passes first light intensity
Sensor and the light intensity data of the second light intensity sensor acquisition are compared with corresponding default light intensity numerical value respectively, low in light intensity data
System automatically adjusts light intensity to preset value when the default light intensity numerical value.
7. dark adaptation detection device according to claim 1, which is characterized in that further include for printing beating for testing result
Print machine and input unit for receiving information input, the printer, the input unit respectively with the master controller
Electrical connection.
8. dark adaptation detection device according to claim 7, which is characterized in that the input unit uses film key formula
Input keyboard, the printer use dot matrix printer.
9. dark adaptation detection device according to claim 5, which is characterized in that first display screen selects 4 row, 8 Chinese character
Show that Liquid Crystal Module, the second display screen use 5 cun of liquid crystal displays, the camera uses CMOS light and shade camera, institute
Master controller is stated using ATmga64 single-chip microcontroller, the dark adaptation light source, grating lamp bar generator and the dazzling light lamp are all made of
5V 2A specification.
10. dark adaptation detection device according to claim 1, which is characterized in that it further include power module, the power supply mould
Block is electrically connected with the master controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822086026.9U CN209661607U (en) | 2018-12-12 | 2018-12-12 | A kind of dark adaptation detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822086026.9U CN209661607U (en) | 2018-12-12 | 2018-12-12 | A kind of dark adaptation detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209661607U true CN209661607U (en) | 2019-11-22 |
Family
ID=68562382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822086026.9U Active CN209661607U (en) | 2018-12-12 | 2018-12-12 | A kind of dark adaptation detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209661607U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109350003A (en) * | 2018-12-12 | 2019-02-19 | 长春奥普光电技术股份有限公司 | A kind of dark adaptation detection device |
-
2018
- 2018-12-12 CN CN201822086026.9U patent/CN209661607U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109350003A (en) * | 2018-12-12 | 2019-02-19 | 长春奥普光电技术股份有限公司 | A kind of dark adaptation detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109350003A (en) | A kind of dark adaptation detection device | |
| CN100579444C (en) | Four-point vision range detecting device | |
| US8444270B2 (en) | Auto-phoropter interface and computer monitor filter | |
| CN102764107A (en) | Experimental method for simulating visual response of driver in road tunnel environment | |
| CN108498064B (en) | Digital bright spot flicker detection system | |
| JP2017113573A (en) | Eye-sight inspection device and inspection method of eye | |
| CN209661607U (en) | A kind of dark adaptation detection device | |
| CN110677949A (en) | Lamp control method and system and electronic equipment | |
| CN110430798A (en) | Method and apparatus for visual acuity test | |
| US8992022B2 (en) | Glare assembly for computerized eye test display | |
| US20220076417A1 (en) | Vision screening systems and methods | |
| JP5008540B2 (en) | Ophthalmic equipment | |
| CN109168222B (en) | Lighting method for improving learning work efficiency and intelligent lighting control system | |
| EP1872712B1 (en) | Device and method for a vision test | |
| CN105915814B (en) | A kind of method and system of controlling terminal screen light filling | |
| JP2009050399A (en) | System and method for measuring spectral luminous efficiency | |
| JP2008093131A (en) | Glare evaluation apparatus | |
| CN115688426A (en) | Perceptual brightness characterization method for flat panel display device display | |
| CN203693612U (en) | Vision response time testing device | |
| CN209678530U (en) | A kind of flash frequency measuring instrument | |
| CN112075918A (en) | Dynamic instantaneous vision continuous measurement system with variable test conditions | |
| EP2057937A1 (en) | Ophthalmic apparatus | |
| CN110514662A (en) | A kind of vision detection system of multiple light courcess fusion | |
| Issolio et al. | Brightness for different surround conditions: The effect of transient glare | |
| CN213216895U (en) | Dynamic instantaneous vision continuous measurement system with variable test conditions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |