CN115778310B - Self-help vision testing device and method - Google Patents

Abstract

The present invention provides a self-service visual acuity measurement device and method, comprising a distance adjustment part; a test installation part is installed on the distance adjustment part; a switching delivery part is installed on the test installation part; A measuring roll paper part is connected; a lifting drive part is installed on the test installation part; a test camera part is fixedly connected to the lift drive part; an enlarged display part is fixedly connected to the test camera part; auxiliary improvement of the measurement can be realized Efficiency, while avoiding measurement errors, can realize the integrated measurement of myopia and hyperopia, and can display the correctness and errors step by step, ensuring the accuracy of vision detection, and solving the problem of relying on manual guidance and low efficiency in the current self-service vision measurement. At the same time, the shoulders are tired, and the problem of different tests cannot be realized in circulation.

Description

A self-service visual acuity measuring device and method

technical field

The invention relates to the technical field of ophthalmology, in particular to a self-service vision measuring device and method.

Background technique

As people's awareness of eye protection is getting better and better, the diagnosis and testing of vision is particularly important. The inventor's team's previous research results "15△ prism induces ocular strabismus diagnosis of amblyopia" (Journal of Shandong University Medical Edition, Vol. 43 No. 8) discussed the role of 15△ prism-induced strabismus in diagnosing amblyopia, and pointed out that 5△ prism-induced squint examination can determine the fixation type, improve the diagnosis rate of amblyopia, and make early treatment of amblyopia possible.

Recently, the inventors found that traditional myopia and hyperopia measurements measure the applied force by manually pointing the "E"-shaped patterns in different positions, which is time-consuming and labor-intensive. At this time, a good self-service vision measurement is needed to assist the vision test. However, just As far as the existing self-service vision measurement is concerned, it relies on manual guidance, which is inefficient. At the same time, the shoulders are tired, and different tests cannot be carried out in a cycle, and it is not convenient to quickly switch between myopia and hyperopia tests. There is no image acquisition structure, which is not convenient for quick Directly informed of vision conditions, poor self-help.

Contents of the invention

In view of this, the present invention provides a self-service visual acuity measurement device and method, which has a measurement roll part, which can quickly realize the measurement of myopia and hyperopia, can effectively improve the measurement efficiency, and can switch between different volumes at the same time. The detection icon can avoid duplication. With the enlarged display part, you can quickly know the right and wrong and the degree, which is more practical. By using the enlarged display part, you can cover the bottom icon to ensure the accuracy of observation, and the practicability is stronger.

The invention provides the purpose and effect of a self-service visual acuity measurement device, which specifically includes a distance adjustment part; a test installation part is installed on the distance adjustment part; a switching delivery part is installed on the test installation part; The measuring roll part is wound on the part; the lifting drive part is installed on the test installation part; the test camera part is fixedly connected to the lift drive part; the magnifying display part is fixedly connected to the test camera part; The distance adjustment part includes: a distance adjustment installation block, an installation foot plate and a drive motor, two installation feet are fixedly connected to the distance adjustment installation block; a drive motor is fixedly connected to the distance adjustment installation block.

Further, the measurement roll part includes: a connecting sheet and a separation line, the connecting sheet is glued between the far-sighted plastic belt and the near-sighted plastic belt; the separation lines are evenly distributed on the far-sighted plastic belt and the near-sighted plastic belt.

Further, the distance adjusting part includes: a driving screw, the driving screw is fixedly connected to the output shaft of the drive motor, and the driving screw is rotatably connected to the distance adjusting mounting block.

Further, the test installation part includes: a test installation box, a transparent installation plate, a sliding installation groove block, a lamination auxiliary roller, and an installation slider. The bottom of the test installation box is fixedly connected with an installation slider, and the installation slider slides Connected to the distance adjustment installation block; the test installation box is fixedly connected with two sliding installation groove blocks; the two sliding installation groove blocks are rotatably connected with a lamination auxiliary roller; the installation slider is threaded to advance screw rod; the test installation box is fixedly connected with a transparent installation plate.

Further, the enlarged display part includes: a display mounting frame and a display screen, and the display mounting frame is fixedly connected to the test lifting rod; a display screen is fixedly connected to the display mounting frame.

Further, the switching conveying part includes: a switching driving motor, a driving roller and a driving pulley, the output shaft of the switching driving motor is fixedly connected with a driving roller; the driving roller is rotatably connected to the test installation box; the The switching driving motor is fixedly connected to the test installation box; the shaft end of the driving roller is fixedly connected to a driving pulley.

Further, the lifting drive part includes: a lifting electric threaded rod and a lifting sliding block, and there are two lifting electric threaded rods, and the two lifting electric threaded rods are installed on the test installation box respectively; Lifting sliding blocks are threadedly connected to the lifting electric threaded rods, and the two lifting sliding blocks are slidably connected to the two sliding installation groove blocks respectively.

Further, the switching conveying part also includes: a driving pulley belt, a driven roller and a driven pulley, the driven roller is rotatably connected to the test installation box; the side shaft end of the driven roller is fixedly connected to the driven pulley ; The driven pulley is connected to the drive pulley through a drive pulley belt sleeve.

Further, the test camera part includes: a test lifting rod, a lower shield plate, a camera module and a controller, and the test lifting rod is fixedly connected between two sliding installation groove blocks; the test lifting rod is fixedly connected There is a lower shielding plate, and a supplementary light is provided at the bottom of the lower shielding plate; the lower shielding plate is attached to the transparent mounting plate; the camera module is fixedly connected to the lower shielding plate; the camera module is electrically connected to the controller .

Further, the measuring roll part includes: a far-sighted plastic belt and a near-sighted plastic belt, the far-sighted plastic belt is fixedly connected to the driven roller, and the far-sighted plastic belt is wound on the driven roller; the myopic plastic belt is fixedly connected On the drive roller, and the myopia plastic belt is wound on the drive roller; the hyperopia icon and the myopia icon are respectively arranged on the hyperopia plastic belt and the myopia plastic belt, and the hyperopia icon and the myopia icon on the hyperopia plastic belt and the myopia plastic belt each The orientations of the groups are different; the hyperopia plastic tape and the myopia plastic tape are attached to the laminating auxiliary rollers respectively; the hyperopia icon and the myopia icon are both in the shape of "E", and the side of the "E" shape sign has the degrees of myopia and hyperopia.

The present invention also provides a self-service vision measurement method, which uses any one of the above-mentioned self-service vision measurement devices to complete the vision measurement.

Beneficial effect

The invention can assist in improving measurement efficiency while avoiding measurement errors, can realize integrated measurement of myopia and hyperopia, can display correctness and errors step by step, and ensures the accuracy of visual acuity detection.

In addition, by adopting the switching conveying part, continuous conveying and rewinding can be realized, and the roll paper part can be measured, which can improve the flexibility of use, help to ensure the stability of the overall structure, and replace different icons, avoid duplication, and ensure eye-catching The quality of visual acuity measurement, the overall structure is simple and practical, by using the switching conveying part, the switching between myopia and hyperopia testing can be realized at the same time, and the hyperopic plastic belt and the myopic plastic belt can be switched under the drive of the switching conveying part, the structure is simple and practical , by adopting the set test installation part, the test distance of myopia and hyperopia can be assisted and quickly driven to switch. The structure is simple and practical, the test is more comprehensive, the function is more perfect, and the efficiency of vision measurement can be effectively improved. Driven by the drive motor, you can Realize switching between different observation distances, and realize the test of myopia distance and hyperopia distance. By using the driving of the switching drive motor, the driving roller can be driven to rotate, and the driven roller can be driven to rotate through the driving wheel at the same time. The driven roller is more practical and stable in operation. By setting the auxiliary roller for lamination, it can help ensure that the plastic tape for hyperopia and plastic tape for short-sightedness can be attached to the transparent mounting plate, which is more convenient for observation.

In addition, the overall structure is simple and practical by adopting the measuring roll part, and the self-service switching of different "E"-shaped signs can be realized by using the measuring roll part, and the orientation can be switched at any time, which is more practical and does not require manual guidance. Realize automatic switching to ensure the accuracy of the test. At the same time, the use of the set measurement roll can make each line have only one "E"-shaped mark, which can avoid the problem of observing the corresponding point incorrectly or the pointing is not accurate enough in the way of manual pointing, and is easier to observe. , the fatigue can be effectively reduced by adopting the measuring roll part, and at the same time, the structure is simple, the manufacturing cost is low, and it can be more easily popularized.

In addition, by setting the magnified display part, the observed "E"-shaped mark can be enlarged and displayed, which can effectively assist in improving the practicability of the equipment, and the tested personnel can independently determine the correctness and No, if you make a mistake, you can determine the degree of the eye, which is more practical, can be completely autonomous, and also ensures the accuracy of visual acuity measurement. You can test the lower baffle plate on the camera part to check the hyperopia plastic below the lower baffle plate. Cover with a plastic belt or myopia to avoid being captured by the camera module. The tested personnel can observe the direction of the "E"-shaped sign under the lower shielding board, and so on, to achieve a comprehensive inspection and ensure the accuracy of vision detection. The lower shielding The board and the camera module are lowered, and the picture is taken. At this time, the controller transmits the picture taken by the camera module to the display screen for zooming in. The structure is simple, the use is more flexible, the overall force measurement efficiency is improved, and it is more labor-saving without manual assistance.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings of the embodiments will be briefly introduced below.

The drawings in the following description only relate to some embodiments of the present invention, but do not limit the present invention.

In the attached picture:

FIG. 1 is a schematic diagram of the overall structure of a measuring device according to an embodiment of the present invention.

Fig. 2 is a schematic view of the inner structure of the bottom of the embodiment of the present invention.

Fig. 3 is a cross-sectional view of the internal structure of the measuring device according to the embodiment of the present invention.

FIG. 4 is a schematic structural diagram of a test imaging unit according to an embodiment of the present invention.

Fig. 5 is a schematic diagram of the structure of the distance adjusting part of the embodiment of the present invention.

Fig. 6 is a schematic structural diagram of the test installation part of the embodiment of the present invention.

Fig. 7 is a schematic diagram of the structure of the switching conveying unit according to the embodiment of the present invention.

Fig. 8 is a schematic diagram of the structure of the measuring roll part of the embodiment of the present invention.

Fig. 9 is a schematic diagram of the structure of the lifting driving part of the embodiment of the present invention.

List of reference signs

1. Distance adjustment part; 101. Distance adjustment installation block; 1011. Installation foot plate; 102. Drive motor; 103. Advance screw; 2. Test installation part; 201. Test installation box; 2011. Transparent installation plate; Install groove block; 203, fit auxiliary roller; 204, install slider; 3, switch conveying part; 301, switch drive motor; 302, drive roller; 303, drive pulley; 304, drive wheel belt; 305, driven Roller; 306, driven pulley; 4, measuring roll paper part; 401, plastic belt for long-sightedness; 402, plastic belt for short-sightedness; 403, connecting piece; 404, dividing line; ; 502, lift sliding block; 6, test camera section; 601, test lift rod; 602, lower floor shielding plate; 603, camera module; 604, controller; display screen.

Detailed ways

In order to make the purpose, solution and advantages of the technical solution of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings of specific embodiments of the present invention. Unless otherwise specified, terms used herein have their ordinary meanings in the art. The same reference numerals in the figures represent the same parts.

Embodiment: Please refer to Fig. 1 to Fig. 9 to show:

The present invention provides a self-service visual acuity measurement device, comprising a distance adjustment part 1; a test installation part 2 is installed on the distance adjustment part 1; a switching delivery part 3 is installed on the test installation part 2; Measuring the roll paper part 4; the test installation part 2 is equipped with a lift drive part 5; the lift drive part 5 is fixedly connected with a test camera part 6; the test camera part 6 is fixedly connected with an enlarged display part 7; the distance adjustment part 1 includes: The distance adjustment installation block 101, the installation foot plate 1011 and the drive motor 102 are fixedly connected with two installation foot plates 1011 on the distance adjustment installation block 101; the drive motor 102 is fixedly connected on the distance adjustment installation block 101.

Wherein, the distance adjusting part 1 comprises: a propelling screw 103, which is fixedly connected with the propelling screw 103 on the output shaft of the driving motor 102, and the propelling screw 103 is rotatably connected to the distance adjusting mounting block 101; the testing mounting part 2 comprises: testing Installation box 201, transparent installation plate 2011, sliding installation groove block 202, lamination auxiliary roller 203 and installation slider 204, installation slider 204 is fixedly connected to the bottom of test installation box 201, and installation slider 204 is slidably connected to the distance adjustment installation On the block 101; the test installation box 201 is fixedly connected with two sliding installation groove blocks 202; the two sliding installation groove blocks 202 are rotatably connected with a fitting auxiliary roller 203; the installation slide block 204 is threadedly connected to the advancing screw 103; the test The installation box 201 is fixedly connected with a transparent mounting plate 2011; the switching conveying part 3 includes: a switching drive motor 301, a driving roller 302 and a driving pulley 303, and the output shaft of the switching driving motor 301 is fixedly connected with a driving roller 302; the driving roller 302 The rotation is connected on the test installation box 201; the switching drive motor 301 is fixedly connected on the test installation box 201; the driving roller 302 shaft end is fixedly connected with the driving pulley 303; the switching conveying part 3 also includes: the driving wheel belt 304, the driven roller 305 and the driven pulley 306, the driven roller 305 is rotatably connected on the test installation box 201; the side shaft end of the driven roller 305 is fixedly connected with the driven pulley 306; the driven pulley 306 and the driving pulley 303 pass through The driving wheel belt 304 is set and connected to the transmission. By adopting the switching conveying part 3, continuous conveying and rewinding can be realized, and the roll paper part 4 can be measured, which can improve the flexibility of use, help ensure the stability of the overall structure, and realize the replacement of different parts. Icons can avoid duplication and ensure the quality of eye vision measurement. The overall structure is simple and practical. By using the switching conveying part 3, the switching between myopia and hyperopia tests can be realized at the same time. By driving the switching conveying part 3, the hyperopia plastic belt 401 and The short-sighted plastic belt 402 can be switched by running. The structure is simple and practical. By using the set test installation part 2, it can realize the auxiliary fast driving switching test distance of myopia and hyperopia. The structure is simple and practical, the test is more comprehensive, the function is more perfect, and the effective improvement Visual acuity measurement efficiency, by being driven by the driving motor 102, can realize switching between different observation distances, and realize the test of myopia distance and hyperopia distance, by adopting the driving of the switching driving motor 301, the driving driving roller 302 can be realized to rotate, The driven roller 305 is driven to rotate by the driving wheel belt 304 at the same time, and the driving roller 302 and the driven roller 305 are realized to be more practical and stable in operation. By setting the fitting auxiliary roller 203, it can be assisted to ensure that the farsighted plastic belt 401 and the myopic plastic belt 402 can be Attached to the transparent mounting plate 2011, it is easier to observe.

Wherein, measuring roll paper portion 4 comprises: far-sighted plastic tape 401 and myopia plastic tape 402, far-sighted plastic tape 401 is fixedly connected on the driven roller 305, and far-sighted plastic tape 401 is wound on driven roller 305; Myopic plastic tape 402 is fixed Connected on the driving roller 302, and the myopia plastic belt 402 is wound on the driving roller 302; the farsighted plastic belt 401 and the myopia plastic belt 402 are respectively provided with the hyperopia icon and the myopia icon, and the hyperopia plastic belt 401 and the myopia plastic belt 402 The farsighted icon and the myopic icon each group have different orientations; the farsighted plastic tape 401 and the myopic plastic tape 402 are attached to the auxiliary roller 203 respectively; There are myopia and hyperopia, and the overall structure is simple and practical by using the setting and measuring roll 4. By using the setting and measuring roll 4, different "E"-shaped signs can be switched automatically, and the orientation can be switched at any time, which is more practical , without manual pointing, automatic switching can be realized to ensure the accuracy of the test. At the same time, the use of the set measuring roll part 4 can make each line have only one "E"-shaped mark, which can avoid errors in observing corresponding points or insufficient pointing in the way of manual pointing. Accurate questions are easier to observe, and fatigue can be effectively reduced by using the measuring roll portion 4. Meanwhile, the structure is simple, the manufacturing cost is low, and it is easier to popularize. Measuring roll paper part 4 comprises: connecting piece 403 and dividing line 404, connecting piece 403 is glued between farsighted plastic belt 401 and myopia plastic belt 402; By adopting settings.

Wherein, the lifting drive part 5 includes: a lifting electric threaded rod 501 and a lifting sliding block 502, two lifting electric threaded rods 501 are provided, and the two lifting electric threaded rods 501 are installed on the test installation box 201 respectively; The rod 501 is threadedly connected with lifting sliding blocks 502 respectively, and the two lifting sliding blocks 502 are slidably connected to the two sliding installation groove blocks 202 respectively; the test camera section 6 includes: test lifting rod 601, lower floor shielding plate 602, camera module Group 603 and controller 604, the test lifting rod 601 is fixedly connected between the two sliding installation groove blocks 202; the lower layer shielding plate 602 is fixedly connected to the testing lifting rod 601, and the bottom of the lower layer shielding plate 602 is provided with a supplementary light; the lower layer The shading plate 602 is attached to the transparent mounting plate 2011; the camera module 603 is fixedly connected to the lower shading plate 602; the camera module 603 is electrically connected to the controller 604; the enlarged display part 7 includes: a display mounting frame 701 and a display screen 702, display The mounting frame 701 is fixedly connected to the test lifter 601; the display mounting frame 701 is fixedly connected with a display screen 702, and by adopting the enlarged display part 7, the observed "E" shape mark can be enlarged and displayed, which can effectively Auxiliary to improve the practicability of the equipment, without the need for staff to confirm, the tested person can independently determine whether it is correct or not. If the judgment is wrong, the eye degree can be determined. Accuracy of visual acuity can be tested by the lower baffle plate 602 on the camera unit 6 to block the hyperopic plastic belt 401 or the myopic plastic belt 402 below the lower baffle plate 602, so as to avoid being collected by the camera module 603 and to be observed by the test personnel to observe the lower shading The direction of the "E"-shaped sign below the board 602 is enough, and so on, to realize comprehensive detection and ensure the accuracy of vision detection. The image captured by the module 603 is transmitted to the display screen 702 for zooming in. The structure is simple, the use is more flexible, the overall force measurement efficiency is improved, and labor is saved without manual assistance.

The present invention also provides a self-service visual acuity measurement method, which uses any of the above-mentioned self-service visual acuity measurement devices to complete the visual acuity measurement, specifically including the following steps:

First, the person to be tested sits and stands in front of the device. Driven by the drive motor 102, the screw rod 103 can be driven to rotate, and the test installation box 201 on the slider 204 can be driven to switch between different observation distances. , to realize the test of myopia distance and hyperopia distance, by adopting the driving of switching drive motor 301, the driving driving roller 302 can be realized to rotate, and the driven roller 305 can be driven to rotate through the driving wheel belt 304 at the same time, so as to achieve the driving roller 302 and the driven roller 305 to rotate. Driven roller 305, one to roll up and run hyperopia plastic belt 401 and myopia plastic belt 402, adopt setting driving roller 302 to cooperate driven roller 305 to realize one puts one to receive, more practical, stable operation, can be pasted by arranging auxiliary roller 203 Auxiliary guarantee that the far-sighted plastic belt 401 and the short-sighted plastic belt 402 can be attached to the transparent mounting plate 2011. When the lifting electric threaded rod 501 drives the lifting sliding block 502 to descend, it drives the lower layer shielding plate 602 and the camera module 603 to descend, and the picture is taken. Through the controller 604, the image taken by the camera module 603 is transmitted to the display screen 702 for zooming in, and the person to be tested can observe whether it is correct or not, and cooperate with the degree corresponding to the "E"-shaped mark.

The above descriptions are only exemplary implementations of the present invention, and are not intended to limit the protection scope of the present invention, which is determined by the appended claims.

Claims (3)

1. A self-help vision testing device, which is characterized by comprising a distance adjusting part (1); the distance adjusting part (1) is provided with a test mounting part (2); the test installation part (2) is provided with a switching conveying part (3); the switching conveying part (3) is wound and connected with a measuring roll paper part (4); the test installation part (2) is provided with a lifting driving part (5); the lifting driving part (5) is fixedly connected with a test camera part (6); an amplifying display part (7) is fixedly connected to the test camera part (6); the distance adjustment unit (1) comprises: the device comprises a distance adjusting installation block (101), an installation foot plate (1011) and a driving motor (102), wherein the distance adjusting installation block (101) is fixedly connected with two installation foot plates (1011); a driving motor (102) is fixedly connected to the distance adjusting installation block (101); the distance adjustment unit (1) comprises: the driving screw rod (103) is fixedly connected to the output shaft of the driving motor (102), and the driving screw rod (103) is rotatably connected to the distance adjusting installation block (101); the test mounting part (2) comprises: the device comprises a test mounting box (201), a transparent mounting plate (2011), a sliding mounting groove block (202), an attaching auxiliary roller (203) and a mounting sliding block (204), wherein the bottom of the test mounting box (201) is fixedly connected with the mounting sliding block (204), and the mounting sliding block (204) is slidably connected to a distance adjusting mounting block (101); two sliding mounting groove blocks (202) are fixedly connected to the test mounting box (201); an attaching auxiliary roller (203) is rotatably connected between the two sliding mounting groove blocks (202); the installation sliding block (204) is in threaded connection with the pushing screw rod (103); a transparent mounting plate (2011) is fixedly connected to the test mounting box (201); the switching conveyor (3) comprises: the driving device comprises a switching driving motor (301), a driving roller (302) and a driving belt wheel (303), wherein the driving roller (302) is fixedly connected to an output shaft of the switching driving motor (301); the driving roller (302) is rotatably connected to the test mounting box (201); the switching driving motor (301) is fixedly connected to the test mounting box (201); the shaft end of the driving roller (302) is fixedly connected with a driving belt wheel (303); the switching conveyor (3) further comprises: a driving belt (304), a driven roller (305) and a driven belt wheel (306), wherein the driven roller (305) is rotatably connected to the test mounting box (201); a driven pulley (306) is fixedly connected with the side shaft end of the driven roller (305); the driven belt wheel (306) is in sleeved transmission connection with the driving belt wheel (303) through a driving belt (304); the measurement roll paper unit (4) comprises: a far-vision plastic belt (401) and a near-vision plastic belt (402), wherein the far-vision plastic belt (401) is fixedly connected to the driven roller (305), and the far-vision plastic belt (401) is wound on the driven roller (305); the myopia plastic belt (402) is fixedly connected to the driving roller (302), and the myopia plastic belt (402) is wound on the driving roller (302); the far-vision plastic belt (401) and the near-vision plastic belt (402) are respectively provided with far-vision icons and near-vision icons, and each group of far-vision icons and near-vision icons on the far-vision plastic belt (401) and the near-vision plastic belt (402) are different in orientation; the far vision plastic belt (401) and the near vision plastic belt (402) are respectively attached to the attaching auxiliary roller (203); the measurement roll paper unit (4) further comprises: a connecting piece (403) and a separation line (404), the connecting piece (403) being glued between the far vision plastic band (401) and the near vision plastic band (402); the separation lines (404) are uniformly distributed on the far vision plastic belt (401) and the near vision plastic belt (402); the test imaging unit (6) comprises: the device comprises a test lifting rod (601), a lower shielding plate (602), a camera module (603) and a controller (604), wherein the test lifting rod (601) is fixedly connected between two sliding mounting groove blocks (202); the lower shielding plate (602) is fixedly connected to the test lifting rod (601), and a light supplementing lamp is arranged at the bottom of the lower shielding plate (602); the lower shielding plate (602) is attached to the transparent mounting plate (2011); the camera module (603) is fixedly connected to the lower shielding plate (602); the camera module (603) is electrically connected with the controller (604); the enlarged display unit (7) includes: the device comprises a display mounting frame (701) and a display screen (702), wherein the display mounting frame (701) is fixedly connected to a test lifting rod (601); and a display screen (702) is fixedly connected to the display mounting frame (701).

2. A self-service vision testing device as defined in claim 1, wherein: the lift drive unit (5) comprises: the test device comprises lifting electric threaded rods (501) and lifting sliding blocks (502), wherein two lifting electric threaded rods (501) are arranged, and the two lifting electric threaded rods (501) are respectively installed on a test installation box (201); the two lifting electric threaded rods (501) are respectively in threaded connection with lifting sliding blocks (502), and the two lifting sliding blocks (502) are respectively in sliding connection with the two sliding mounting groove blocks (202).

3. A self-help vision testing method is characterized in that: the visual acuity determination is accomplished by using the self-help visual acuity determination apparatus of any one of claims 1-2.

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