CN109124561A - One kind is anti-to recite visual chart - Google Patents
One kind is anti-to recite visual chart Download PDFInfo
- Publication number
- CN109124561A CN109124561A CN201810228804.5A CN201810228804A CN109124561A CN 109124561 A CN109124561 A CN 109124561A CN 201810228804 A CN201810228804 A CN 201810228804A CN 109124561 A CN109124561 A CN 109124561A
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- China
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- display
- remote controler
- camera
- eyesight
- singlechip microcontroller
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- 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
- A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
- A61B3/028—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters
- A61B3/032—Devices for presenting test symbols or characters, e.g. test chart projectors
-
- 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
- A61B3/0016—Operational features thereof
- A61B3/0041—Operational features thereof characterised by display arrangements
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Eye Examination Apparatus (AREA)
Abstract
Prevent reciting visual chart the invention discloses one kind, including fixed bin and remote controler, singlechip microcontroller and power device are equipped in fixed bin, the output end of power device is equipped with mobile bar, mobile bar is vertically arranged with fixed bin, display is vertical and is fixedly connected on mobile bar end, the upper end of display is equipped with camera, camera and singlechip microcontroller are electrically connected, power device can be realized by singlechip microcontroller by the high settings such as display and human body head portrait under capture of the camera to human body head portrait, remote controler can controllably and individually send view force value tests signal, display can send the single display depending on realizing corresponding eyesight value test pattern when force value tests signal by singlechip microcontroller in remote controler, to realize the random display of eyesight value test pattern, prevent people by reciting and remembering fixed knot The visual chart of structure carrys out human intervention and improves personal eyesight value test number, improves the authenticity and accuracy of view force value tests.
Description
Technical field
The invention belongs to vision testing device technical fields, are related to a kind of visual chart, and in particular to one kind is anti-to recite eyesight
Table.
Background technique
Current visual chart is all fixed design, and test pattern has fixed arrangement architecture, and then some are in order to take
The eyesight value test result that must be got well, can be practised fraud in depending on force value tests by the way of reciting visual chart pattern, so that surveying
The result of examination is untrue, is also unfavorable for sight protectio.
Summary of the invention
The purpose of the invention is to overcome the deficiencies in the prior art, and providing one kind being capable of random display view force value tests
The anti-of pattern recites visual chart, and the authenticity and accuracy of view force value tests can be improved, and is also beneficial to protection eyesight.
The object of the present invention is achieved like this: one kind is anti-to recite visual chart, including fixed bin, display, camera and
Remote controler, the fixed bin is interior to be equipped with singlechip microcontroller and power device, and the output end of the power device is equipped with movement
Bar, the mobile bar are vertically arranged with fixed bin, and the display is vertical and is fixedly connected on mobile bar end, the display
Upper end be equipped with camera, the camera and singlechip microcontroller are electrically connected, and the power device can be in camera
It is realized by singlechip microcontroller by the high settings such as display and human body head portrait, the remote controler under the capture of human body head portrait
View force value tests signal can controllably and be individually sent, the display can be logical when remote controler sends view force value tests signal
Cross singlechip microcontroller and realize the single display of corresponding eyesight value test pattern, thus realize eyesight value test pattern with
Machine is shown.
Preferably, the display is high definition light-emitting diode display.
Preferably, the display can show the black figure of white background, the black figure of the black figure in red bottom or green bottom.
Preferably, the remote controler is equipped on & off switch, and the remote controler can realize display and monolithic by & off switch
The Push And Release of machine microcontroller.
Preferably, the remote controler is equipped with eyesight value and numerically descends selection key, eyesight value pattern or so selection key, display screen
And send key, the remote controler can numerically descend selection key and eyesight value pattern or so selection key will be corresponding by eyesight value
Eyesight value numerical value and pattern displaying are sent on display screen and by send key by this depending on force value tests signal.
By adopting the above-described technical solution, the beneficial effects of the present invention are:
(1) by remote controler, singlechip microcontroller and display, it can artificially control and individually show eyesight value test pattern,
The mode that traditional visual chart is fixed display is changed, it is aobvious using at random can individually be shown in eyesight value test pattern
The mode for showing device prevents people by reciting and remembering the visual chart of fixed structure come human intervention and improve personal eyesight value
Test number not only improves the authenticity for improving the test of eyesight value numerical value, and is conducive to discovery visual problems in time, takes and effectively arranges
It applies, protects eyesight；
(2) human body head portrait is captured by camera, it can be by high settings such as human body head portrait and displays, so that each eyesight value is surveyed
Attempt the mode that case is in a kind of opposite head-up relative to human eye, the objective condition tested every time overcomes tradition than more consistent
Brought measurement error is looked up or overlooked partially to the needs of human eye existing for test mode partially, improves the standard of eyesight value test number
True property.
Detailed description of the invention
Fig. 1 is side structure schematic view of the invention.
Fig. 2 is schematic view of the front view of the invention.
Fig. 3 is the structural schematic diagram of remote controler of the invention.
In figure: 1, fixed bin 2, display 3, camera 4, remote controler 41, on & off switch 42, eyesight value numerically under
Selection key 43, eyesight value pattern or so selection key 44, display screen 45, send key 5, mobile bar.
Specific embodiment
It should be understood that, one is being printed on paper, one kind is displayed on lamp box there are two types of traditional visual charts, but regardless of
It is to be printed on paper, is also displayed on lamp box, be fixed structural arrangement, people can be fixed by reciting and remembering this
The visual chart of structural arrangement carry out human intervention and improve oneself eyesight value test number.
It should be understood that traditional visual chart is the string configuration of up and down direction, people stand on 5 meters or 3 meters of visual chart
At a distance, have a certain degree from the first row of visual chart to a last guild with human eye shape, when test human eye from the first row gradually
Mobile to adjacent a line, human eye is that the state from looking up partially to overlooking partially is tested in moving process, so that test mode
Can be inconsistent, thus there are the deviation of test result, so that test result is not very accurate.
For the drawbacks described above of existing visual chart, the present invention is implemented as follows: individually sending tested view by remote controler 4
Force value tests signal is to singlechip microcontroller, and after singlechip microcontroller is analyzed and handled to the signal, output is prestored
In the corresponding eyesight value test pattern in singlechip microcontroller to display, display is made individually to show the true of the signal
Test pattern, every time test when, doctor can randomly choose test pattern, then be presented to tester will be that doctor selects at random
The test pattern selected, to improve the authenticity of test result；Meanwhile human body head portrait, output signal are captured by camera
To singlechip microcontroller, after singlechip microcontroller is analyzed and handled to the signal, exports control signal and filled to power
It sets, display is moved to the position contour with human body head portrait by mobile bar by power device, so that people in test process
Test mode of the eye always in opposite head-up, to improve the accuracy of test result.
Below with reference to the embodiments and with reference to the accompanying drawing technical solution of the present invention is described in further detail.
As shown in Figure 1, Figure 2 and Figure 3, the present invention provide it is a kind of anti-recite visual chart, including fixed bin 1, display 2, take the photograph
As head 3 and remote controler 4, fixed bin 1 is used to display 2 and camera 3 being fixedly installed in wall, facilitates test.Fixed bin 1
It is interior to be equipped with singlechip microcontroller and power device, wherein singlechip microcontroller is used for the letter to camera 3 and remote controler 4
It number is analyzed and is handled, then export corresponding information to power device and display 2, specifically, single-chip microcontroller microcontroller
Device is moved to the position contour with human body head portrait by driving of the camera 3 by display 2 in power device, is equivalent to monolithic
The human body head portrait that machine microcontroller captures camera 3 is analyzed and is handled, as long as human body head portrait is not on anticipation setting
Position, singlechip microcontroller just according to human body head portrait deviate predetermined location state output control signal give power dress
It sets, the human body head portrait for making power device that camera 3 be driven to be captured is moved to preset position, thus by display 2
It is moved to the position contour with human body head portrait；Wherein, power device is mainly a micromotor, and micromotor drives mobile bar 5
It is mobile, to drive display 2 and camera 3 mobile.The output end of power device is equipped with mobile bar 5, mobile bar 5 and fixed bin
1 is vertically arranged, and display 2 is vertical and is fixedly connected on 5 end of mobile bar, and the upper end of display 2 is equipped with camera 3, to make
Camera 3 is obtained to be parallel to each other when capturing human body head portrait with it, it is good to human body head portrait capture visual sense, it is convenient for monolithic
Analysis and processing of the machine microcontroller to capture image, and display 2 is arranged also parallel with human body head portrait, facilitate human eye
Viewing and test.Camera 3 and singlechip microcontroller are electrically connected, for the capture image of camera 3 to be conveyed to single-chip microcontroller
Microcontroller is analyzed and is handled, so that power device can pass through list under capture of the camera 3 to human body head portrait
Piece machine microcontroller implementation is by the high settings such as display 2 and human body head portrait.Remote controler 4 can controllably and individually send the survey of eyesight value
Trial signal, display 2 can realize corresponding view by singlechip microcontroller when remote controler 4 sends view force value tests signal
The single display of force value tests pattern, to realize the random display of eyesight value test pattern.
Specifically, display 2 is high definition light-emitting diode display, and display is clear, is conducive to test.
Specifically, display 2 can show that the black figure of white background, the black figure of the black figure in red bottom or green bottom, the black figure of white background are used for eyesight value
Numerical value test, the red black figure in bottom and the black figure in green bottom are tested for eyeglass lens power, when it is implemented, display 2 can be according to practical need
Pattern required for various eyesight testings is presented with the help of remote controler 4 and singlechip microcontroller, for example colour blindness is surveyed
Examination etc..
Specifically, remote controler 4 is equipped on & off switch 41, and remote controler 4 can realize display 2 and single-chip microcontroller by & off switch 41
The Push And Release of microcontroller, convenient power-off in time when not in use, environmental protection and energy saving.
Specifically, remote controler 4 is equipped with eyesight value and numerically descends selection key 42, eyesight value pattern or so selection key 43, display
Screen 44 and send key 45, remote controler 4 can numerically descend selection key 42 and eyesight value pattern or so selection key 43 by eyesight value
Corresponding eyesight value numerical value and pattern displaying are sent on display screen 44 and by send key 45 by the view force value tests signal
It goes out.When it is implemented, remote controler 4 can also use other structures, such as touch-sensitive display is more intelligent.
In actual use, 41 opening display 2 of on & off switch and singlechip microcontroller for pressing remote controler 4 are started to work,
Tester is allowed to stand at specified test position, singlechip microcontroller controls camera 3 and starts to work, and camera 3 captures
To singlechip microcontroller, singlechip microcontroller controls power device driving mobile bar 5 and display 2 is driven to move tester's head portrait
The position contour with tester's head portrait is moved, eyesight testing is started, tester holds shield, covers left eye, and doctor operates remote control
Device exports view force value tests signal to singlechip microcontroller, and singlechip microcontroller control display shows the view force value tests
The corresponding test pattern of signal, tester say the correct direction of test pattern, until minimum a line that tester can see clearly,
The corresponding eyesight value degree of the row, as the eyesight value of tester's right eye are recorded, shield is moved into right eye from left eye, is similarly obtained
The eyesight value of tester's left eye.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations, although
Referring to above-described embodiment, invention is explained in detail, it should be understood by a person of ordinary skill in the art that still may be used
With modifications or equivalent substitutions are made to specific embodiments of the invention, and repaired without departing from any of spirit and scope of the invention
Change or equivalent replacement, is intended to be within the scope of the claims of the invention.
Claims (5)
1. one kind is anti-to recite visual chart, it is characterised in that: including fixed bin (1), display (2), camera (3) and remote controler
(4), singlechip microcontroller and power device are equipped in the fixed bin (1), the output end of the power device is equipped with movement
Bar (5), the mobile bar (5) are vertically arranged with fixed bin (1), and the display (2) is vertical and is fixedly connected on mobile bar (5)
The upper end of end, the display (2) is equipped with camera (3), and the camera (3) and singlechip microcontroller are electrically connected,
The power device can be realized by singlechip microcontroller by display under capture of the camera (3) to human body head portrait
(3) view force value tests signal, the display can controllably and individually be sent with high settings, the remote controlers (4) such as human body head portraits
Device (2) can realize that corresponding eyesight value is surveyed by singlechip microcontroller when remote controler (4) are sent depending on force value tests signal
The single display of case is attempted, to realize the random display of eyesight value test pattern.
2. according to claim 1 prevent reciting visual chart, it is characterised in that: the display (2) is that high definition LED is shown
Device.
3. according to claim 1 prevent reciting visual chart, it is characterised in that: the display (2) can show that white background is black
Figure, the black figure of the black figure in red bottom or green bottom.
4. according to claim 1 prevent reciting visual chart, it is characterised in that: the remote controler (4) is equipped on & off switch (41),
The remote controler (4) can realize the Push And Release of display (2) and singlechip microcontroller by & off switch (41).
5. according to claim 1 prevent reciting visual chart, it is characterised in that: the remote controler (4) is equipped with eyesight value numerical value
Upper and lower selection key (42), eyesight value pattern or so selection key (43), display screen (44) and send key (45), the remote controler (4)
It can numerically descend selection key (42) and eyesight value pattern or so selection key (43) by corresponding eyesight value numerical value by eyesight value
It is sent on display screen (44) and by send key (45) by this depending on force value tests signal with pattern displaying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810228804.5A CN109124561A (en) | 2018-03-20 | 2018-03-20 | One kind is anti-to recite visual chart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810228804.5A CN109124561A (en) | 2018-03-20 | 2018-03-20 | One kind is anti-to recite visual chart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109124561A true CN109124561A (en) | 2019-01-04 |
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ID=64801781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810228804.5A Pending CN109124561A (en) | 2018-03-20 | 2018-03-20 | One kind is anti-to recite visual chart |
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| Country | Link |
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| CN (1) | CN109124561A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111714079A (en) * | 2020-07-07 | 2020-09-29 | 麻蓉蓉 | Health information consultation is with eyesight test suit based on display screen |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080316428A1 (en) * | 2007-06-22 | 2008-12-25 | Nidek Co., Ltd. | Optotype presenting apparatus |
| CN201612597U (en) * | 2010-02-02 | 2010-10-27 | 陈献聪 | Vision inspection tester |
| CN203970347U (en) * | 2014-07-31 | 2014-12-03 | 赵忠锋 | A kind of sight test means |
| CN106073693A (en) * | 2016-06-25 | 2016-11-09 | 利辛县眼病防治所 | A kind of Intelligent eyesight test chart and detection method thereof |
| CN106983489A (en) * | 2017-05-26 | 2017-07-28 | 温州星康医学科技有限公司 | A kind of eyesight detects lamp box |
-
2018
- 2018-03-20 CN CN201810228804.5A patent/CN109124561A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080316428A1 (en) * | 2007-06-22 | 2008-12-25 | Nidek Co., Ltd. | Optotype presenting apparatus |
| CN201612597U (en) * | 2010-02-02 | 2010-10-27 | 陈献聪 | Vision inspection tester |
| CN203970347U (en) * | 2014-07-31 | 2014-12-03 | 赵忠锋 | A kind of sight test means |
| CN106073693A (en) * | 2016-06-25 | 2016-11-09 | 利辛县眼病防治所 | A kind of Intelligent eyesight test chart and detection method thereof |
| CN106983489A (en) * | 2017-05-26 | 2017-07-28 | 温州星康医学科技有限公司 | A kind of eyesight detects lamp box |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111714079A (en) * | 2020-07-07 | 2020-09-29 | 麻蓉蓉 | Health information consultation is with eyesight test suit based on display screen |
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Application publication date: 20190104 |