CN102499625A - Infrared remote control vision automatic measuring device and testing device - Google Patents
Infrared remote control vision automatic measuring device and testing device Download PDFInfo
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- CN102499625A CN102499625A CN2011103395697A CN201110339569A CN102499625A CN 102499625 A CN102499625 A CN 102499625A CN 2011103395697 A CN2011103395697 A CN 2011103395697A CN 201110339569 A CN201110339569 A CN 201110339569A CN 102499625 A CN102499625 A CN 102499625A
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Abstract
The invention relates to the field of vision automatic measurement, in particular to a remote control vision automatic measuring device and a testing method. The automatic measuring device comprises a remote controller, an infrared receiver, a single chip microcomputer and an upper computer. The testing method includes steps: 1) inputting an identification ID number; 2) inputting the direction of a tested one-level sighting target via the remote controller; 3) judging whether results are correct or not and carrying out statistic records; 4) completing a test process; and 5) checking effectiveness of the test process and outputting test results. The infrared remote control vision automatic measuring device is simple in structure, low in cost and stable in work, and realizes automatic measurement, the measurement method does not need doctors in the measurement process, the measurement results are accurate, and workload of the doctors is greatly reduced.
Description
Technical field
The present invention relates to the automatic field of measurement of a kind of vision, particularly a kind of remote control vision self-operated measuring unit and method of testing.
Background technology
When using standard visual acuity chart to measure vision; All be that the doctor points out a certain sighting target, the experimenter judges the direction of sighting target, judges experimenter's vision through the correctness of judging; This way has increased doctor's workload; Test result is subject to the subjective influence of doctor, and when particularly carrying out extensive health check-up, efficient is lower; The direction of each sighting target is fixed on the standard visual acuity chart, can not prevent that the experimenter from carrying on the back the note visual acuity chart in advance.Given this, during the native system test, computer provides a sighting target at every turn at random and supplies the experimenter to judge, the experimenter judges the sighting target direction through the remote controller directionkeys, and computer increases or reduce sighting target automatically according to its result of determination, thereby measures experimenter's vision.The design considerations visual acuity chart national standard of sighting target; Adopt vector graphics, when amplifying or dwindling, can remain edge smoothing, and can be according to the difference of monitor resolution and the self adaptation adjustment; The sighting target physical dimension is remained unchanged, guaranteed that test result is true and reliable.In the test process, the judgement that sighting target size, direction and the experimenter that computer provides at every turn makes is all intactly noted, and with the text stored in form, as the original foundation of test result, thereby has avoided the dispute to test result effectively.The experimenter who considers specified distance when conventionally test might still can't be judged the direction of maximum sighting target; Generally be to let the experimenter go to the position measurement that to see maximum sighting target clearly during actual measurement; The horizontal range of measurement experimenter's this moment and sighting target is according to this distance calculation experimenter's vision, therefore; Native system has been installed the supersonic sounding device, can measure the two distance automatically.
Summary of the invention
The object of the invention just provides a kind of infrared remote control vision self-operated measuring unit, and it is simple and convenient that it preserves test process and result by means of 51 single-chip microcomputers and PC, and science is accurate as a result.
The objective of the invention is to realize that through such technical scheme it includes
Remote controller is used for experimenter's input test answer and identification ID number, and sends through infrared waves;
Infrared receiving terminal is used to receive the infrared waves that remote controller sends, and to the signal that receives amplify, detection and shaping handle;
Single-chip microcomputer is used to receive the signal after infrared receiving terminal is handled, and decoding becomes host computer ability identified signal;
Host computer is used to show at random the test sighting target that generates, and receives the signal that single-chip microcomputer sends, and judges whether experimenter's answer is correct, and the vision number of degrees that record of statistics and demonstration experimenter.
Further; Said device also includes the supersonic sounding device; The supersonic sounding device is used to measure the horizontal range between experimenter and the host computer display; And carry out being sent to host computer behind the signal decoding through single-chip microcomputer, host computer is according to being tried distance and judged whether the last measured vision number of degrees are effective between experimenter and the host computer, or at the actual vision number of degrees that tried to calculate under the situation that distance is shorter than the conventionally test gauged distance experimenter.
Further, the nucleus module model of said supersonic sounding device is UT-100.
Further, said device also includes buzzer, after the experimenter presses remote controller buttons at every turn, buzzer sound the signal prompt person of being looked this operate successfully.
Further, said infrared receiving terminal is the integrated infrared receiving terminal of HS0038.
Further, said single-chip microcomputer model is AT89C52.
Another object of the present invention just provides a kind of above-mentioned infrared remote control vision self-operated measuring unit and carries out automatic test method, and it can realize the accurate eyesight measurement of automatization.
Another object of the present invention is to realize that through such technical scheme its step is following:
1) experimenter is through remote controller input identification ID number, if ID number correctly then changes step 2 over to), if the ID mistake is then re-entered;
2) the host computer display generates at random and shows the test sighting target, and the experimenter begins test from predetermined level, through the direction of the remote controller input one-level sighting target of testing;
The direction of the one-level sighting target of testing 3) step 2) judges whether correct through host computer and carries out statistic record, if correctly then change the test of next stage sighting target over to, if mistake then goes back to the test of upper level sighting target;
4) go back to described in the step 3) upper level sighting target test through or the test of full accuracy grade sighting target answer correctly then the EOT end of test and change step 5) over to;
5) host computer statistics experimenter test result; And whether the distance that detects between experimenter and the last seat in the plane display through the supersonic sounding device meets the preset standard measuring distance; Judge that then test result is effective if meet; On display, output test result, do not judge that then test result is invalid if meet, and go back to step 1).
Further, in said step 3) and the step 4), answer five times continuously with the one-level sighting target, wherein correct more than four times, promptly be regarded as this grade sighting target correct judgment, otherwise be regarded as mistake.
Owing to adopted technique scheme, the present invention to have following advantage:
1, repeatability by force, accurately and reliably, precision is high.Generate the display packing of single sighting target figure at random; Effectively got rid of the possibility that vision is crowded and recited visual acuity chart; Got rid of the interference of artificial conjecture and input error to greatest extent, definite needs of each grade vision could be assert correctly through repeatedly judging.
2, measuring process automatization, easy operating.Through the remote controller human-computer interaction; Computer shows sighting target automatically; Reduced the working doctor amount and artificially to the interference of vision testing result, realized round-the-clock, high precision, non-level measurement, each step of operation all has voice suggestion; Hommization more, measurement result can be preserved with the form of text automatically.
3, intelligent cost is low, practical.Ability all-the-way tracking measured's test case each time, and the corresponding results analysis is provided; It is wide to survey range of vision, reaches logarithm value 0.05 ~ 5.3.Whole system has only been used a PC, one of AT89C52 single-chip microcomputer and a small amount of peripheral cell.
Other advantages of the present invention, target and characteristic will be set forth in description subsequently to a certain extent; And to a certain extent; Based on being conspicuous to those skilled in the art, perhaps can from practice of the present invention, obtain instruction to investigating of hereinafter.Target of the present invention and other advantages can realize and obtain through following description and claims.
Description of drawings
Description of drawings of the present invention is following.
Fig. 1 is a measuring device structural representation of the present invention.
Fig. 2 is a method of testing FB(flow block) of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Infrared remote control vision self-operated measuring unit, it includes
Remote controller is used for experimenter's input test answer and identification ID number, and sends through infrared waves;
Infrared receiving terminal is used to receive the infrared waves that remote controller sends, and to the signal that receives amplify, detection and shaping handle;
Single-chip microcomputer is used to receive the signal after infrared receiving terminal is handled, and decoding becomes host computer ability identified signal;
Host computer is used to show at random the test sighting target that generates, and receives the signal that single-chip microcomputer sends, and judges whether experimenter's answer is correct, and the vision number of degrees that record of statistics and demonstration experimenter.
As shown in Figure 1, the experimenter replys through remote controller, sends infrared signal; Infrared receiving terminal receives infrared signal; Simultaneously to signal amplify, detection, shaping handle and obtain the Transistor-Transistor Logic level coded signal, repeated transmission is given single-chip microcomputer, after the single-chip microcomputer decoding, sends to host computer and handles; Host computer shows information such as sighting target according to the data intelligence of receiving, measure whole process and need not to increase the staff.System accomplishes automatically, and infrared receiving terminal, single-chip microcomputer, remote controller property are originally reliable, with low cost.
Said device also includes the supersonic sounding device; The supersonic sounding device is used to measure the horizontal range between experimenter and the host computer display; And carry out being sent to host computer behind the signal decoding through single-chip microcomputer; Host computer is according to being tried distance and judged whether the last measured vision number of degrees are effective between experimenter and the host computer, or at the actual vision number of degrees that tried to calculate under the situation that distance is shorter than the conventionally test gauged distance experimenter.
Supersonic sounding is a kind of contactless distance measuring method; Do not receive factor affecting such as light; Adverse circumstances such as dust, smog, electromagnetic interference there is certain adaptive capacity; Ultrasonic transmitter is to a certain direction emission ultrasound wave, and ultrasonic signal reflects after running into barrier by receiving device and receives, and can calculate the two distance according to the velocity of sound again through measuring round trip time.Whether the measuring distance that can effectively verify the experimenter through the supersonic sounding device is effective.The nucleus module model of said supersonic sounding device is UT-100.
Said device also includes buzzer, after the experimenter presses remote controller buttons at every turn, buzzer sound the signal prompt person of being looked this operate successfully.
Said remote controller models is closed TV-A1 for the crowd; Also can select other common TV set remote-controller for use; But, therefore after selecting other model remote controller for use, need test the coding of remote controller because the coded system of different remote is different; And, the working procedure of single-chip microcomputer inside is carried out minor modifications according to test result.
Said infrared receiving terminal is the integrated infrared receiving terminal of HS0038.Receiving unit is that the demodulation of binary signal is accomplished by integrated infrared receiving terminal HS0038, and it restores output to the infrared signal of receiving through inter-process and demodulation.
Said single-chip microcomputer model is AT89C52.The AT89C52 single-chip microcomputer can satisfy the designing requirement of native system fully, with respect to other devices with suitable function, has low price, and is not high to environmental requirement, steady operation and other merits.
As shown in Figure 2, above-mentioned infrared remote control vision self-operated measuring unit carries out automatic test method, and its step is following:
1) experimenter is through remote controller input identification ID number, if ID number correctly then changes step 2 over to), if the ID mistake is then re-entered;
2) the host computer display generates at random and shows the test sighting target, and the experimenter begins test from predetermined level, through the direction of the remote controller input one-level sighting target of testing;
The direction of the one-level sighting target of testing 3) step 2) judges whether correct through host computer and carries out statistic record, if correctly then change the test of next stage sighting target over to, if mistake then goes back to the test of upper level sighting target;
4) go back to described in the step 3) upper level sighting target test through or the test of full accuracy grade sighting target answer correctly then the EOT end of test and change step 5) over to;
5) host computer statistics experimenter test result; And whether the distance that detects between experimenter and the last seat in the plane display through the supersonic sounding device meets the preset standard measuring distance; Judge that then test result is effective if meet; On display, output test result, do not judge that then test result is invalid if meet, and go back to step 1).
The experimenter carries out authentication through ID number when test; The sighting target that is shown according to the host computer display again; Select the judgement direction of oneself, test up to whole test process and accomplish, host computer can judge that whether effectively and announce test result test; Whole test process need not got involved by the doctor of specialty, and is convenient, accurate, quick.
In order to make testing result more accurate, in said step 3) and the step 4), answer five times continuously with the one-level sighting target, wherein correct more than four times, promptly be regarded as this grade sighting target correct judgment, otherwise be regarded as mistake.
Explanation is at last; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the aim and the scope of present technique scheme, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (8)
1. infrared remote control vision self-operated measuring unit, it is characterized in that: it includes
Remote controller is used for experimenter's input test answer and identification ID number, and sends through infrared waves;
Infrared receiving terminal is used to receive the infrared waves that remote controller sends, and to the signal that receives amplify, detection and shaping handle;
Single-chip microcomputer is used to receive the signal after infrared receiving terminal is handled, and decoding becomes host computer ability identified signal;
Host computer is used to show at random the test sighting target that generates, and receives the signal that single-chip microcomputer sends, and judges whether experimenter's answer is correct, and the vision number of degrees that record of statistics and demonstration experimenter.
2. infrared remote control vision self-operated measuring unit as claimed in claim 1; It is characterized in that: it also includes the supersonic sounding device; The supersonic sounding device is used to measure the horizontal range between experimenter and the host computer display; And carry out being sent to host computer behind the signal decoding through single-chip microcomputer; Host computer is according to being tried distance and judged whether the last measured vision number of degrees are effective between experimenter and the host computer, or at the actual vision number of degrees that tried to calculate under the situation that distance is shorter than the conventionally test gauged distance experimenter.
3. infrared remote control vision self-operated measuring unit as claimed in claim 2 is characterized in that: the nucleus module model of said supersonic sounding device is UT-100.
4. like claim 1,2 or 3 described infrared remote control vision self-operated measuring units, it is characterized in that: it also includes buzzer, after the experimenter presses remote controller buttons at every turn, buzzer sound the signal prompt person of being looked this operate successfully.
5. infrared remote control vision self-operated measuring unit as claimed in claim 1 is characterized in that: said infrared receiving terminal is the integrated infrared receiving terminal of HS0038.
6. infrared remote control vision self-operated measuring unit as claimed in claim 1 is characterized in that: said single-chip microcomputer model is AT89C52.
7. carry out automatic test method like the described infrared remote control vision of claim 1 to 6 self-operated measuring unit, it is characterized in that its step is following:
1) experimenter is through remote controller input identification ID number, if ID number correctly then changes step 2 over to), if the ID mistake is then re-entered;
2) the host computer display generates at random and shows the test sighting target, and the experimenter begins test from predetermined level, through the direction of the remote controller input one-level sighting target of testing;
The direction of the one-level sighting target of testing 3) step 2) judges whether correct through host computer and carries out statistic record, if correctly then change the test of next stage sighting target over to, if mistake then goes back to the test of upper level sighting target;
4) go back to described in the step 3) upper level sighting target test through or the test of full accuracy grade sighting target answer correctly then the EOT end of test and change step 5) over to;
5) host computer statistics experimenter test result; And whether the distance that detects between experimenter and the last seat in the plane display through the supersonic sounding device meets the preset standard measuring distance; Judge that then test result is effective if meet; On display, output test result, do not judge that then test result is invalid if meet, and go back to step 1).
8. automatic test approach as claimed in claim 7 is characterized in that: in said step 3) and the step 4), answers five times continuously with the one-level sighting target, and wherein correct more than four times, promptly be regarded as this grade sighting target correct judgment, otherwise be regarded as mistake.
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| CN2011103395697A CN102499625A (en) | 2011-11-01 | 2011-11-01 | Infrared remote control vision automatic measuring device and testing device |
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Cited By (11)
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| CN103445758A (en) * | 2013-08-30 | 2013-12-18 | 浙江理工大学 | Eyesight testing system based on wireless communication |
| CN103654707A (en) * | 2013-12-19 | 2014-03-26 | 宇龙计算机通信科技(深圳)有限公司 | Method and device for detecting eyesight |
| CN104116491A (en) * | 2013-04-28 | 2014-10-29 | 谢骅 | Vision detection device and method |
| WO2015176573A1 (en) * | 2014-05-23 | 2015-11-26 | 何明光 | Electronic eyesight examination system adopting double-blind design |
| CN105147235A (en) * | 2015-07-08 | 2015-12-16 | 甄毅 | Vision test system |
| CN105147236A (en) * | 2015-06-16 | 2015-12-16 | 杭州来同科技有限公司 | Visual test device |
| CN105769115A (en) * | 2016-02-25 | 2016-07-20 | 孙汉军 | Eyesight self-testing method and device thereof |
| CN107582019A (en) * | 2017-07-12 | 2018-01-16 | 上海华锐健康管理有限公司 | The interactive autonomous training method of distant vision |
| CN109171637A (en) * | 2018-09-30 | 2019-01-11 | 苏州安视沛清科技有限公司 | Vision testing method, device, computer storage medium and computer equipment |
| CN110123259A (en) * | 2019-05-08 | 2019-08-16 | 深圳市华亿教育科技有限公司 | Body examining system and method |
| CN111326061A (en) * | 2020-03-20 | 2020-06-23 | 中国人民解放军陆军军医大学 | Indication type disaster site injury information identification device |
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| CN111326061A (en) * | 2020-03-20 | 2020-06-23 | 中国人民解放军陆军军医大学 | Indication type disaster site injury information identification device |
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Application publication date: 20120620 |