CN211324937U - Table type virtual reality vision tester - Google Patents

Abstract

The utility model relates to a table type virtual reality visual acuity tester for detect eyesight. The inspection tester comprises a shell which is placed on a desktop and used for configuring internal and external devices, and is characterized by also comprising a controller, a display and an eyepiece, wherein the controller is connected with the display, and the display is used for displaying an eyesight inspection symbol transmitted by the controller; the display sets up in the casing, is provided with the eyepiece on its demonstration direction, and the eyepiece lies in the casing front. The built-in display displays the symbols, so that the examination space is reduced, and the influence of ambient light on human eyes is reduced.

Description

Table type virtual reality vision tester

Technical Field

The utility model relates to a table type virtual reality visual acuity tester for detect eyesight.

Background

The society is more and more advanced, and the eye health is seriously influenced by the asthenopia problem brought by daily work and study, the vision problem brought by long-term close reading and the like. The conventional way of checking vision is that a person uses a pointer stick to indicate before the hanging chart of the symbol table, and the tested person stands at a remote place to shield the undetected eyes with his hand, and uses the other hand to indicate the direction of the symbol pointed by the pointer stick, so as to achieve the goal of detecting the vision power. However, this method of detecting vision requires a larger space to implement, and when changing eyes, the eye pupil is instantly exposed to light, which causes blurred vision, which affects the accuracy of the detection result, and the intensity of the external light source is also the factor of the detection accuracy.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome the above-mentioned not enough that exists among the prior art, provide a table virtual reality visual acuity tester.

The utility model adopts the technical scheme as follows:

a desk-type virtual reality vision tester comprises a shell which is placed on a desktop and used for configuring internal and external devices, and is characterized by also comprising a controller, a display and an eyepiece, wherein the controller is connected with the display, and the display is used for displaying vision test symbols transmitted by the controller; the display sets up in the casing, is provided with the eyepiece on its demonstration direction, and the eyepiece lies in the casing front. The built-in display displays the symbols, so that the examination space is reduced, and the influence of ambient light on human eyes is reduced.

Preferably, the controller comprises a processor module, and a touch control panel, a memory module, a power management module, a video decoding module and a wireless communication module which are connected with the processor module, wherein the video decoding module is connected with the display. Various resources on the memory module are called in a touch control mode, then the video decoding module transmits signals to the display, and the wireless communication module is used for uploading test data to the cloud.

Preferably, the two sides of the eyepiece are provided with speakers, and the speakers are connected with the processor module. During detection, the instruction can be transmitted out through the loudspeaker to perform answering operation.

Preferably, the periphery of the eyepiece is provided with a back cushion, and the two sides of the front surface of the shell are symmetrically provided with handles. Improve the balance and the comfort of the user.

Preferably, the lower part of the front surface of the shell is provided with a remote rod, a rocker is connected with the processor module, and the rocker is provided with a confirmation button. The testee can answer by self-operation.

Preferably, the display device further comprises an inner screen bracket, and the display device is fixed in the shell through the inner screen bracket; the display is a 4K color display.

Preferably, the power supply device further comprises a power supply slot, a power supply adapter and a switch, wherein the power supply slot is connected with an external power supply to the power supply adapter, the power supply adapter is electrically connected with the power supply management module and the display, and the power supply adapter is provided with the switch.

Preferably, the side surface of the shell is provided with a heat dissipation opening. The continuous temperature rise of the equipment in a closed space is avoided, and the service life of the desk type virtual reality vision tester is prolonged.

Preferably, the LED lamp further comprises a warning lamp, wherein the warning lamp is arranged at the top of the shell and connected with the processor module. When in detection, the lamp is flashed to prompt the operation.

Preferably, the touch screen is positioned on the top surface of the shell. The operation of the user is convenient.

Compared with the prior art, the product is mainly formed by using a 4K color display to display, a rocker is arranged at the front end of the shell, and the front edge of the upper shell is provided with two detection eyeholes; the 4K color display is embedded in the proper position of the shell. Thus, the symbol printed on the 4K color display is made to be viewed by the examinee through the eye lens from the inspection hole to complete the operation of inspecting the eyesight, so that the inspection process can be free from the interference of the external light source and is not limited by the distance. The main purpose of the present invention is to provide a structure design of vision inspection machine, which employs a fully automatic inspection process, and the number of test grids increases the accuracy of the inspection result, and the examinee can complete the inspection by himself without the need of pointing symbols beside the examinee.

Drawings

Fig. 1 is a perspective view of the present embodiment.

Fig. 2 is a front view of the present embodiment.

Fig. 3 is a left side view of fig. 2.

Fig. 4 is a top view of fig. 2.

Fig. 5 is a perspective view of fig. 1.

Fig. 6 is a graphical interface displayed on the display screen of fig. 5.

Fig. 7 is a schematic diagram of the structure of the controller according to the present embodiment.

Reference numbers in the figures: the device comprises a shell 1, a handle 2, a switch 3, an eyepiece 4, a loudspeaker 5, a rocker 6, a confirmation button 61, a power supply slot 7, a controller 8, a processor module 81, a touch control panel 82, a memory module 83, a power supply management module 84, a video decoding module 85, a wireless communication module 86, a warning lamp 9, a display 10, a heat dissipation port 11, a display screen support 12, a power supply adapter 13, a back cushion 14, a symbol 15 and an indefinite lattice 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b):

as shown in fig. 1-5 and 7, a table-type virtual reality optometry apparatus specifically includes: the closed shell 1 and the handle 2 are composed of the shell 1, the upper part of the front edge is provided with an ocular 4 and a loudspeaker 5, the lower part of the front edge is provided with a rocker 6, the side body is provided with a switch 3, a power supply slot 7 and a heat dissipation port 11; the top of the device is provided with a controller 8 and a warning light 9. As shown in fig. 5, further includes an inside thereof: 4K color display 10, display screen support 12, power adapter 13.

The display 10 in the present embodiment may be a 4K color display 10 such as an LCD (Liquid crystal display), an OLED (Organic Light-Emitting Diode), an LED (Light-Emitting Diode), and the like for displaying the display content transmitted by the controller 8. The controller 8 may be provided with a processor module 81, and a touch control panel 82, a memory module 83, a power management module 84, a video decoding module 85, and a wireless communication module 86 connected thereto, where the memory module 83 on the controller 8 may be used to store audio and video resources, detection resources, and other resources that may be displayed on the 4K color display 10. The user need not connect external equipment when using this table formula virtual reality eye-tracker, only needs to operate this table formula virtual reality eye-tracker and can follow controller 8 and transfer the resource, has made things convenient for user's use. This embodiment still is equipped with wireless communication module 86, can also expand this table virtual reality visual acuity tester's storage space through high in the clouds. The video decoding module 85 may be connected to the 4K color display 10 through an FPC.

The warning light 9 in this embodiment flashes to indicate when each detection is completed. Besides reporting, the speaker 5 can send out instructions to answer the results during the detection, and upload the results to the cloud end to integrate the data and make the working of storing disk, so as to subtract the flow of artificial Japanese operation.

Various function control software including start detection, setting detection options, uploading data, adjusting volume and the like is set on the touch control panel 82 of the embodiment. The touch control panel 82 can be operated and controlled from the outside to the 4K color display 10, and various data can be uploaded to the cloud end during detection, so that the operation is flexible, and the user experience is improved. Such control software is not in itself what the product needs to protect, but explains the specific extended functionality of the touch control panel 82.

In order to ensure the stability of the table-type virtual reality vision tester during the eye movement, when the face of the person to be tested is close to the detection eyepiece 4 of the shell, the head of the person to be tested is close to the back cushion 14, and the two hands can hold the handle 2 and the rocker 6, so that the built-in program is triggered and started, the vision detection operation can be started, and the balance and the comfort level of the user are improved.

As shown in fig. 2, the influence on the imaging quality is effectively reduced through the eyepiece 4 of the optical lens, and according to the relation between astigmatism and curvature of field, the influence of astigmatism and curvature of field is further reduced, so in the embodiment of the present invention, the definition of imaging is improved by the 4K color display. Back cushion 14 uses flexible material, can make the comfort level improve, easy cleanness do, the design of 2 ergonomic handles can let the user relaxed use table formula virtual reality vision tester, even use rocker 6 simultaneously, also can guarantee the comfort level and the stability of table formula virtual reality vision tester. The rocker 6 is adjusted in direction by moving the rocker back and forth, left and right, a confirmation button 61 is designed on the rocker 6, the tested person can select the moving direction of the rocker 6 according to the direction of the observed symbol, if the moving direction of the rocker 6 is correct, the built-in program can select a visual target (or 0.5 degree rows, or 1.0 degree rows, or 1.5 degree rows are unequal) from the lower indefinite shelf 16, otherwise, if the moving direction is wrong, the upper indefinite shelf 16 can select a visual target, when the same degree row indicates correct, the correct degree can be detected, the vision of another eye can be detected by changing the side, and the operation process is the same as before.

In this embodiment, as shown in fig. 5, in order to ensure the usability of the desk-type virtual reality vision tester, the display screen support 12 is located above the inside of the housing and is used to fix the 4K color display 10, the power adapter 13 is installed inside the desk-type virtual reality vision tester, when the switch 3 is turned on, the power adapter 13 simultaneously provides power for the controller 8 and the 4K color display 10, and the working principle is converted from ac input to dc output; even if the voltage fluctuates, the output of the power supply is a constant value, and the output of the power supply cannot fluctuate along with the voltage, so that the stable and effective performance of the power supply is ensured. The power supply slot 7 can be divided into a wall-inserting type or a desktop type according to the connection mode. The heat dissipation port 11 is favorable for dissipating heat of the temperature generated when the table-type virtual reality vision tester runs for the whole time, so that the temperature of the equipment in a closed space is prevented from continuously rising, and the service life of the table-type virtual reality vision tester is prolonged.

In this embodiment, as shown in fig. 6, the "E" [ Snellen's E Chart ] is provided with a unique design and rearrangement according to the international standard, and the like, such as the "E" [ Snellen's E Chart ] and the "C" [ blue-course ear Chart (Landolt's vision Chart) ], such as the visual targets in fig. 6, each of which is a specific position, and in the state shown in fig. 6 by the symbol 15, 0.2 (three visual samples), 0.3 (three visual targets), 0.4 (four visual targets), 0.5 (five visual targets), 0.6 (five visual targets), 0.7 (five visual targets), 0.8 (five visual targets), 0.9 (five visual targets), 1.0 (five visual targets), 1.2 (five visual targets), 1.5 (five visual targets) to 2.0 (five visual targets), and only six visual targets are shown in this way.

In addition, the present embodiment can also have a plurality of different display and test modes to improve the accuracy of the detection. Wherein the projection assembly is a 4K color display 10. The program in the controller 8 automatically answers the joystick 6, the voice only guides the measurement, and the visual target can adjust the measurement of "E" or "C". The gaze time setting can be selected from 5 second and 3 second automatic conversion, and 1 word, 2 words or 3 words of each line of the subject can be detected. The pivot controller 8 at the bottom of the joystick 6 is used to perform the interpretation and recording without the limitation of space, and then complete all the tests in sequence according to the procedure setup procedure; in addition, the program in the controller 8 may optionally perform near-vision detection or far-vision detection, etc.

Instructions for use:

when in use, the controller 8 can select the detection items, and the 4K color display 10 can be used to perform the vision detection operation, automatically issue questions, automatically detect and directly record. The simple means can be widely applied to schools, hospitals and institutions, so that examinees can operate quickly and simply by themselves, can directly detect and record without an external computer or system, upload data to the cloud, and can more effectively master the refractive states of the eyes of the Chinese.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A desk-type virtual reality vision tester comprises a shell which is placed on a desktop and used for configuring internal and external devices, and is characterized by also comprising a controller, a display and an eyepiece, wherein the controller is connected with the display, and the display is used for displaying vision test symbols transmitted by the controller; the display sets up in the casing, is provided with the eyepiece on its demonstration direction, and the eyepiece lies in the casing front.

2. The table virtual reality vision tester as recited in claim 1, wherein the controller comprises a processor module, and a touch control panel, a memory module, a power management module, a video decoding module and a wireless communication module connected with the processor module, wherein the video decoding module is connected with the display.

3. The table virtual reality vision tester as recited in claim 2, wherein speakers are provided on both sides of said eyepieces, and said speakers are connected to said processor module.

4. The table type virtual reality vision tester as claimed in claim 1, wherein the eyepiece is provided with a back cushion around the eyepiece, and grips are symmetrically provided on both sides of the front surface of the housing.

5. The table virtual reality vision tester as recited in claim 2, wherein a remote lever is provided at a lower portion of the front surface of the housing, the rocker is connected to the processor module, and a confirmation button is provided on the rocker.

6. The table virtual reality vision tester of claim 1, further comprising an inner screen support, wherein the display is fixed in the housing by the inner screen support; the display is a 4K color display.

7. The table type virtual reality vision tester as recited in claim 2, further comprising a power socket, a power adapter and a switch, wherein the power socket is connected with an external power to the power adapter, the power adapter is electrically connected with the power management module and the display, and the power adapter is provided with a switch.

8. The table virtual reality vision tester as recited in claim 1, wherein a heat sink is provided on a side of the housing.

9. The table-type virtual reality vision tester as claimed in claim 2, further comprising a warning lamp, wherein the top of the housing is provided with the warning lamp, and the warning lamp is connected with the processor module.

10. The table virtual reality vision tester of claim 2, wherein the touch screen is located on the top surface of the housing.

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