CN213787330U - Regulation amplitude tester - Google Patents
Regulation amplitude tester Download PDFInfo
- Publication number
- CN213787330U CN213787330U CN202022171035.5U CN202022171035U CN213787330U CN 213787330 U CN213787330 U CN 213787330U CN 202022171035 U CN202022171035 U CN 202022171035U CN 213787330 U CN213787330 U CN 213787330U
- Authority
- CN
- China
- Prior art keywords
- module
- touch screen
- screen display
- liquid crystal
- crystal touch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 27
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 238000012545 processing Methods 0.000 claims abstract description 14
- 238000004891 communication Methods 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 abstract description 19
- 238000005259 measurement Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 description 10
- 230000004308 accommodation Effects 0.000 description 9
- 238000012360 testing method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 210000000695 crystalline len Anatomy 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000004438 eyesight Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 208000001491 myopia Diseases 0.000 description 2
- 210000001525 retina Anatomy 0.000 description 2
- 208000029091 Refraction disease Diseases 0.000 description 1
- 230000002350 accommodative effect Effects 0.000 description 1
- 230000004430 ametropia Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000036040 emmetropia Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 208000014733 refractive error Diseases 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
Images
Landscapes
- Eye Examination Apparatus (AREA)
Abstract
本实用新型提供了一种调节幅度测试仪，包括中央处理器模块以及与所述中央处理器模块通讯连接的液晶触摸屏显示模块、测距传感器模块、电源模块、光线检测模块和蜂鸣器模块，其中：所述测距传感器模块包括测距发射单元和测距接收单元，所述液晶触摸屏显示模块包括呈一体结构的控制按键单元和用于显示视标的显示单元，用于测量显示单元与被测者之间间距的所述测距传感器模块固定于所述液晶触摸屏显示模块上，用于检测光线强度的所述光线检测模块固定于所述液晶触摸屏显示模块上。本实用新型中调节幅度测试仪利用测距传感器模块测量视标与被测者之间的间距，无需人工测量，距离测量准确度高。
The utility model provides an adjustment range tester, which comprises a central processing unit module, a liquid crystal touch screen display module, a distance measuring sensor module, a power supply module, a light detection module and a buzzer module which are communicated and connected with the central processing unit module. Wherein: the ranging sensor module includes a ranging transmitting unit and a ranging receiving unit, and the liquid crystal touch screen display module includes a control button unit in an integrated structure and a display unit for displaying an optotype, which is used to measure the relationship between the display unit and the measured object. The distance measuring sensor module with the distance between them is fixed on the liquid crystal touch screen display module, and the light detection module for detecting light intensity is fixed on the liquid crystal touch screen display module. The adjusting range tester of the utility model uses the distance measuring sensor module to measure the distance between the visual target and the person to be measured, without manual measurement, and the distance measurement accuracy is high.
Description
Technical Field
The utility model relates to a look function inspection technical field, especially relate to an amplitude of regulation tester.
Background
For the emmetropia, the eyes can see clearly whether seeing far or near. This is due to the fact that when looking at distant objects, the eye is at rest and parallel rays of light from an object at infinity form a focal point just above the retina after passing through the dioptric system of the human eye. For near distance objects, the human eye can automatically change the curvature of the crystalline lens so as to change the refractive power of the human eye, so that the near objects are still imaged on the retina, and the ability to see objects clearly is called the accommodation of the eye.
The difference in refractive power of the eye from a state in which the eye is still (i.e., relaxed accommodation) to when maximum accommodation is made is defined as the amplitude of accommodation. The adjusting amplitude can reflect the quality of the adjusting function of human eyes, and the accurate measurement of the adjusting amplitude can be an important inspection index for diagnosing and treating the changes of eyes and certain systemic diseases.
At present, the test of amplitude of regulation mostly needs manual testing, during the test of the approach method, mainly use the ruler to measure the distance between eyes and the sighting mark, it is inconvenient and measuring error is great to measure, during the test of lens method, cooperation comprehensive optometry appearance and negative sphere mirror are measured, as shown in figure 3, the approach method moves the in-process sighting mark size unchangeable, the visual angle increases, can make the measurement of amplitude of regulation bigger than normal, from this need a testing arrangement that can accurately measure amplitude of regulation.
SUMMERY OF THE UTILITY MODEL
The utility model discloses mainly be to the not enough of present subjective measurement accommodation amplitude measuring device degree of accuracy difference, provide a precision measurement accommodation amplitude's tester.
For realizing the utility model discloses a technical scheme that the purpose adopted is:
the utility model provides an amplitude regulation tester, including central processing unit module and with liquid crystal touch screen display module, range finding sensor module, power module, light detection module and buzzer module that central processing unit module communication is connected, wherein:
the range finding sensor module is including range finding transmitting element and range finding receiving element, liquid crystal touch screen display module is including the control key unit that is a body structure and the display element who is used for showing the sighting target for measure display element and measurand interval between the person range finding sensor module is fixed in on the liquid crystal touch screen display module, be used for detecting light intensity the light detection module is fixed in on the liquid crystal touch screen display module.
In the above technical solution, the distance measuring sensor module is embedded in the liquid crystal touch screen display module or fixed outside the liquid crystal touch screen display module.
In the above technical solution, the distance measuring sensor module is an ultrasonic distance measuring module, and more preferably, the model is TELESKY US-100.
In the above technical solution, the distance measuring sensor module is an infrared distance measuring sensor module, and more preferably, the model is GP2Y0a41SK 0F.
In the above technical solution, the light detecting module is an XH-M131 module.
In the technical scheme, the liquid crystal touch display screen module is 8 inches in size of SDWe080YY05C capacitive touch.
In the above technical solution, the central processing unit module is a seeuino xiao central processing unit module.
In the technical scheme, the buzzer module is KY-006.
In the above technical solution, the power module is a TP4056 power module.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses well range modulation tester utilizes range sensor module to measure sighting target and the interval between the measurand, need not artifical the measurement, and the distance measurement degree of accuracy is high, and in addition, range modulation direct display need not artifical the calculation on liquid crystal touch screen display module, whole measurement process labour saving and time saving.
2. The visual target becomes smaller or larger by taking the center as a central point in the measuring process, so that the error caused by the change of the visual angle in the front-back moving process of the visual target is avoided, and the measuring accuracy is greatly reduced.
Drawings
FIG. 1 is a block diagram of a modulation amplitude tester.
Fig. 2 is a schematic diagram of the structure of the modulation amplitude tester.
FIG. 3 is a diagram illustrating measurement errors in a prior art proximity method.
In the figure: the system comprises a distance measuring sensor module, a light ray detection module, a display unit, a visual target and a control key unit, wherein the distance measuring sensor module is 1, the light ray detection module is 2, the display unit is 3, and the control key unit is 5.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1-2, an amplitude modulation tester comprises a central processing unit module, and a liquid crystal touch screen display module, a distance measuring sensor module 1, a power supply module, a light detection module 2 and a buzzer module which are in communication connection with the central processing unit module, wherein
The range finding sensor module includes range finding transmitting element and range finding receiving element, liquid crystal touch screen display module is including the control key unit 5 that is a body structure and the display element 3 that is used for showing sighting target 4 for measure display element and be measured interval between the person range finding sensor module is fixed in on the liquid crystal touch screen display module, be used for detecting light intensity the light detection module is fixed in on the liquid crystal touch screen display module.
During measurement, the display unit displays the sighting mark, the distance between the display unit and the measured person is measured by the distance measuring sensor module, the measuring distance is transmitted to the central processing unit module, and the central processing unit module is according to a formula: the adjustment amplitude is 1/measurement distance (m), the distance value is directly converted into the adjustment amplitude, and the liquid crystal touch screen display module displays the adjustment amplitude. The size of the visual target on the liquid crystal touch screen display module changes according to the measured distance, wherein the control key unit 5 is used for switching the display mode of the visual target, the whole standard logarithmic near vision chart or one visual target in the visual chart is displayed on the display unit 3, and the control key unit 5 can be used for switching between the two display modes.
The light intensity of the sighting mark position is detected to the light detection module, and when measuring light exceeded the range of adjustment range measurement (light detection module detects that the illumination value is 90 ~ 300 Lx), the buzzer module can send out the warning prompt tone.
Preferably, the ranging sensor module is embedded in the liquid crystal touch screen display module or fixed outside the liquid crystal touch screen display module. The measuring range of the distance measuring sensor module is 0-100 cm, and the measuring precision is more than 1 mm. The distance measuring sensor module measures the distance between the liquid crystal touch screen display module and human eyes, the accuracy is high, the measurement repeatability is improved, and the measurement result can be automatically displayed.
Example 2
In this embodiment, the model of each module is exemplified on the basis of embodiment 1.
Preferably, the distance measuring sensor module is an ultrasonic distance measuring module, and more preferably, the model is TELESKY US-100.
Preferably, the distance measuring sensor module is an infrared distance measuring sensor module, and more preferably, the model number is GP2Y0a41SK 0F.
Preferably, the light detection module is an XH-M131 module.
Preferably, the display module of the liquid crystal touch screen is SDWe080YY05C capacitive touch 8 inches.
Preferably, the central processor module is a seeuino xiao central processor module.
Preferably, the buzzer module is KY-006.
Preferably, the power module is a TP4056 power module.
Example 3
The method for testing a modulation amplitude tester as described in embodiment 1 or embodiment 2, comprising the steps of:
the adjustment amplitude is 1/measurement distance (d, in m).
The side length (C) of the sighting mark and the change formula along with the measuring distance (d) are as follows:
c (optometric side length) ═ 5 × d (measured distance) × 1/V (decimal recorded vision) × ρ (1 minute radian value)
Wherein rho is 2 pi/(360 x 60)
The movement was stopped when the patient reported that the visual target direction could be seen and the accommodative amplitude of the right eye was recorded.
And 3, repeating the step 1 and the step 2, and measuring the adjusting amplitude of the left eye and/or the two eyes.
Furthermore, when the size of the visual target changes in the step 2, the position of the central point of the visual target is used as the center position to be enlarged or reduced.
In addition, the accommodation amplitude tester of embodiments 1 and 2 can be used to acquire accommodation requirements and test binocular accommodation amplitudes to determine presbyopic appendage vertex power. The method can also be used for testing the near point of the human eye set, and the measurement precision is improved.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022171035.5U CN213787330U (en) | 2020-09-28 | 2020-09-28 | Regulation amplitude tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022171035.5U CN213787330U (en) | 2020-09-28 | 2020-09-28 | Regulation amplitude tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213787330U true CN213787330U (en) | 2021-07-27 |
Family
ID=76955857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022171035.5U Expired - Fee Related CN213787330U (en) | 2020-09-28 | 2020-09-28 | Regulation amplitude tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213787330U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112244758A (en) * | 2020-09-28 | 2021-01-22 | 天津市职业大学 | Regulation amplitude tester and test method thereof |
-
2020
- 2020-09-28 CN CN202022171035.5U patent/CN213787330U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112244758A (en) * | 2020-09-28 | 2021-01-22 | 天津市职业大学 | Regulation amplitude tester and test method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103976707B (en) | A kind of OCT system and method for measuring axis oculi light path value | |
| US4729652A (en) | Apparatus and method for determining angular orientation of eye | |
| WO2015070672A1 (en) | Hand-held vision detecting device and vision detecting method | |
| CN109199320B (en) | Portable eyesight screening instrument and light path structure thereof | |
| CN101718542A (en) | Optical ranging device and portable refractometer thereof | |
| CN112244758A (en) | Regulation amplitude tester and test method thereof | |
| CN213787330U (en) | Regulation amplitude tester | |
| CN110507281A (en) | A kind of eyepiece formula pupillary light reflex automatic checkout equipment | |
| CN201653399U (en) | Optical distometer and its portable optometry unit | |
| CN114391805A (en) | Real-time eyeball biological data measuring device and measuring method | |
| CN215937317U (en) | An intelligent near vision function inspection device | |
| CN108742510B (en) | Oblique vision and horizontal torsion angle detector suitable for children with low age | |
| CN112075918B (en) | A dynamic instantaneous vision continuous measurement system with variable test conditions | |
| US11925414B2 (en) | Optical trial frame | |
| CN214856574U (en) | Vision detection device | |
| CN208808452U (en) | Strabismus and horizontal torsion angle detector for young children | |
| CN217772315U (en) | Real-time eyeball biological data measuring device | |
| CN209032314U (en) | A kind of eyes adjusting force checking device | |
| CN220898672U (en) | But working distance's examining mirror | |
| CN219661671U (en) | Pupil distance tester | |
| CN217548011U (en) | Vision detection system matched with pupil center of examinee | |
| CN217696557U (en) | Numerical control eyeball protrusion measuring instrument | |
| CN112741591B (en) | Vision detection device and vision detection method | |
| CN219557259U (en) | Self-service diopter measurement system | |
| CN102579001A (en) | Trial frame for measuring dominant eyes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210727 |