CN219480054U - Vision detection device - Google Patents
Vision detection device Download PDFInfo
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- CN219480054U CN219480054U CN202320273780.1U CN202320273780U CN219480054U CN 219480054 U CN219480054 U CN 219480054U CN 202320273780 U CN202320273780 U CN 202320273780U CN 219480054 U CN219480054 U CN 219480054U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model discloses a vision testing device, wherein in a vision testing handle, a first Bluetooth module is in communication connection with a vision testing system and a vision testing display screen, an infrared distance measuring module is used for measuring distance, a control button module is used for sending a preset control instruction to the vision testing system, a microphone is used for collecting a voice signal of a vision measurer, a loudspeaker is used for playing a preset prompt voice, and a power module is used for supplying power to other modules arranged on a handle body; the vision testing display screen comprises a second Bluetooth module, the second Bluetooth module can receive a display instruction sent by the vision testing system under a control instruction sent by the vision testing handle, and the vision testing display screen displays a preset vision measurement optotype according to the display instruction. According to the technical scheme, the labor cost is greatly reduced, the workload of data collection, input and analysis is reduced, and meanwhile, the data can be comprehensively counted and analyzed.
Description
Technical Field
The utility model relates to the technical field of vision testing, in particular to a vision testing device.
Background
In recent years, the problem of high myopia rate of teenager students in China is remarkable, and the myopia prevalence rate of high school students and college students is more than 70%, and the myopia prevalence rate of the teenager students in China is also increasing year by year. Myopia has become a prominent problem, affecting people's quality of life, and there is an urgent need for social concerns and solutions. For developing myopia prevention and control in scientific specification, according to the requirement of proper technical guidelines for myopia prevention and control, a regular vision screening system for students in middle and primary schools is established in each place, and vision defect examination is developed, wherein the screening frequency is not less than twice per school year.
Because schools lack vision testing equipment, medical institutions can only be used for testing every out of school. There are two main methods for detecting vision:
1) The visual acuity chart is divided into a far visual acuity chart and a near visual acuity chart, and the far visual acuity chart, namely the E-shaped visual acuity chart with the distance of 5 meters is commonly used in hospitals. The distance of the near vision chart is usually 30cm, and the main auxiliary tool is to use a paper vision chart or a lamp box with the vision chart.
2) The computer optometry instrument can measure the degree of normal adults, and the vision is improved by wearing the relevant lenses according to the degree, so that the refraction state of the patient can be accurately measured.
When using the traditional 5 m E eye chart for measurement, a medical care or management personnel needs to manually operate the indicating eye chart, and then the vision measurement value is recorded according to the performance of a measurer. Schools arrange students to queue up for measurement one by one. The disadvantage of this measurement flow is that the detecting party needs to arrange special personnel to be responsible for operation to help students measure eyesight, involving the operation labor cost of the personnel of each party: before measurement, a list and a table are required to be formulated, a special person is required to instruct the optotype and record operation in real time during measurement, students need to queue up the measurement to cause waste waiting, and after measurement, data are recorded into a computer table and statistics and work of making a personal vision condition report are carried out. In addition, since the data is scattered, manual collection and entry of comprehensive vision health data requires a long time and a large amount of work, it is difficult to make comprehensive statistics and analysis of the data.
Disclosure of Invention
In order to solve the problems, the utility model provides a vision testing device, which is characterized in that a Bluetooth module for communication, an infrared ranging module for measuring the distance between a vision testing handle and a vision testing display screen, a control button module for operating the handle and judging the direction of a test optotype, a microphone for collecting the voice of a vision tester and a loudspeaker for playing preset voice are arranged on the vision testing handle through the cooperation between the vision testing handle and the vision testing display screen, the vision tester can select the direction of the vision testing optotype by using the vision testing handle or speak the direction of the selected vision testing optotype, and further analyze the voice collected by the microphone according to the command or the voice sent by the control button module after the control button module is triggered, so that the vision condition of the current vision tester can be judged, the labor cost is greatly reduced, meanwhile, the report analysis of the vision condition can be automatically judged, the workload of data collection, input and analysis can be reduced, and the statistics and analysis can be comprehensively and analyzed.
To achieve the above object, the present utility model provides a vision testing device comprising: a vision testing handle and a vision testing display screen;
the vision testing handle comprises a handle body, a first Bluetooth module, an infrared ranging module, a control button module, a microphone, a loudspeaker and a power module, wherein the first Bluetooth module, the vision testing system and the vision testing display screen are arranged on the handle body, the first Bluetooth module is in communication connection, the infrared ranging module is used for realizing distance measurement by sending and receiving infrared rays, the control button module is used for sending a preset control instruction to the vision testing system, the microphone is used for collecting voice signals of a vision measurer, the loudspeaker is used for playing preset prompt voice, and the power module is used for supplying power for other modules arranged on the handle body;
the vision testing display screen comprises a second Bluetooth module which is matched with the first Bluetooth module, the second Bluetooth module can receive a display instruction sent by the vision testing system under a control instruction sent by the vision testing handle, and the vision testing display screen displays a preset vision measurement sighting target according to the display instruction.
In the above technical solution, preferably, the control key module includes an up key, a down key, a left key, a right key, and a start/confirm key;
the up button, the down button, the left button, the right button and the start/confirm button respectively send preset up selection instructions, down selection instructions, left selection instructions, right selection instructions and confirm instructions to the vision detection system when triggered, wherein the up selection instructions, the down selection instructions, the left selection instructions or the right selection instructions are respectively used for selecting the vision measurement optotype selected in the vision detection display screen to be in an up, down, left or right direction;
the starting/confirming button can respectively send starting/closing instruction signals or confirming operation instruction signals to the vision detecting system according to different triggering modes.
In the above technical solution, preferably, the infrared ranging module is capable of transmitting infrared rays in a preset direction and receiving reflected infrared rays of the infrared rays, so that a distance between the vision detecting handle and a position of the infrared rays reflected by an obstacle can be calculated according to a time difference between transmitting the infrared rays and receiving the infrared rays.
In the above technical solution, preferably, the microphone is configured to collect a voice signal spoken by the vision tester, so that the vision testing system can convert the voice signal into corresponding text information by using a voice conversion algorithm, and can compare the text information with a direction of a vision measurement optotype selected by the vision testing display screen, so as to determine whether the direction of the optotype spoken by the vision tester is correct.
In the above technical solution, preferably, the vision detecting device further includes a laser auxiliary ranging module, where the laser auxiliary ranging module can emit laser to a direction of infrared ray emitted by the infrared ranging module, and the laser auxiliary ranging module is used as an auxiliary indication of a ranging position of the infrared ranging module.
In the above technical solution, preferably, the power module includes a battery and a charging interface, the charging interface is connected with the battery, and the battery supplies power to the rest modules in the vision testing handle.
In the above technical solution, preferably, the vision testing handle is further provided with an LCD screen, and the LCD screen is connected to the first bluetooth module, and is configured to display information sent by the vision testing system and received by the first bluetooth module.
In the above technical solution, preferably, the vision testing handle is further provided with an audio interface, and the audio interface is used for connecting with an earphone.
Compared with the prior art, the utility model has the beneficial effects that: through the cooperation between vision testing handle and the vision testing display screen, set up the bluetooth module that is used for the communication on the vision testing handle, be used for measuring the infrared ranging module of distance between vision testing handle and the vision testing display screen, be used for operating the handle and judging the control button module of test optotype direction, gather the microphone of vision tester's pronunciation and play the speaker of predetermineeing the pronunciation, in the measurement process, the vision tester can utilize this vision testing handle to select the direction of vision testing optotype, or say the direction of selected vision testing optotype, further analyze according to the instruction that control button module was triggered and the pronunciation that the microphone was gathered, can judge whether the vision tester selected or spoken the direction is the same with the vision testing display screen, thereby judge the vision condition of current vision tester, the human cost has been significantly reduced, simultaneously, can automatic input judgement result carries out vision condition report analysis, the work load of data collection, input and analysis, can carry out comprehensive statistics and analysis simultaneously.
Drawings
FIG. 1 is a schematic perspective view of a vision testing handle according to one embodiment of the present utility model;
FIG. 2 is a schematic perspective view of a vision testing handle according to another embodiment of the present utility model;
FIG. 3 is a schematic view of a rear view of a vision testing handle according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a vision testing display screen according to an embodiment of the present utility model;
fig. 5 is a schematic operation flow chart of a vision testing device according to an embodiment of the present utility model.
In the figure, the correspondence between each component and the reference numeral is:
1. the vision testing device comprises a vision testing handle, a handle body, an infrared ranging module, a control button module, a manual-up button, a manual-down button, a manual-left button, a manual-right button, a manual-up/confirmation button, a microphone, a loudspeaker, a laser auxiliary ranging module, a charging interface, an LCD screen, an audio interface, a vision testing display screen and a vision testing optotype.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model is described in further detail below with reference to the attached drawing figures:
as shown in fig. 1 to 3, a vision testing device according to the present utility model includes: a vision testing handle 1 and a vision testing display screen 2;
the vision testing handle 1 comprises a handle body 11, a first Bluetooth module, an infrared ranging module 12, a control button module 13, a microphone 14, a loudspeaker 15 and a power module, wherein the first Bluetooth module, the infrared ranging module 12, the control button module 13, the microphone 14, the loudspeaker 15 and the power module are arranged on the handle body 11, the first Bluetooth module is in communication connection with the vision testing system and the vision testing display screen 2, the infrared ranging module 12 is used for realizing distance measurement by sending and receiving infrared rays, the control button module 13 is used for sending a preset control instruction to the vision testing system, the microphone 14 is used for collecting voice signals of a vision measurer, the loudspeaker 15 is used for playing preset prompt voices, and the power module is used for supplying power to other modules arranged on the handle body 11;
as shown in fig. 4, the vision testing display screen 2 includes a second bluetooth module adapted to the first bluetooth module, and the second bluetooth module is capable of receiving a display instruction sent by the vision testing system under a manipulation instruction sent by the vision testing handle 1, and the vision testing display screen 2 displays a preset vision measurement optotype 21 according to the display instruction.
In this embodiment, through the cooperation between the vision testing handle 1 and the vision testing display screen 2, a bluetooth module for communication, an infrared ranging module 12 for measuring the distance between the vision testing handle 1 and the vision testing display screen 2, a control button module 13 for moving the vision testing target 21 selected on the vision testing display screen 2, a microphone 14 for collecting the voice of the vision tester, and a speaker 15 for playing the preset voice are arranged on the vision testing handle 1, during the measurement process, the vision tester can select the direction of the vision testing target 21 by using the control button module 13 on the vision testing handle 1, or can speak the direction of the selected vision testing target 21, and further analyze according to the command sent by the trigger button or the voice collected by the microphone 14 by the control button module 13, so as to determine whether the direction selected or spoken by the vision tester is the same as the vision testing display screen 2, thereby greatly reducing the labor cost of the current vision tester, simultaneously, automatically inputting the determination result to analyze the vision condition, reducing the data collection, and comprehensively inputting the data, and comprehensively analyzing the data.
Specifically, based on the vision testing device, the vision testing display screen 2 can be used for replacing manual vision charts such as E-shaped vision charts to perform one-by-one testing, the vision testing display screen 2 can sequentially select different vision measurement vision charts according to a program preset sequence through selecting marks (such as an indication rod or an arrow, and the like), at this time, a vision tester can automatically select the direction of the vision measurement vision chart 21 selected on the vision testing display screen 2 by using the vision testing handle 1 through controlling the key module 13, or can also speak left, upward, downward or rightward, collect voice signals of the vision tester through the microphone 14, and analyze the direction of the vision measurement vision chart 21 spoken by the vision tester through converting voice into text. In both of the above modes, it is possible to determine whether or not the direction of the optotype 21 selected or spoken by the vision tester coincides with the direction of the optotype 21 displayed on the vision test display screen 2. In addition, in the use process, the infrared distance measuring device 12 on the back of the vision testing handle points to the vision testing display screen 2, and the distance between the vision testing handle 1 and the vision testing display screen 2 can be measured through the infrared distance measuring module 12.
Through speaker 15, can report corresponding prompt message when user's held vision testing handle 1 is apart from vision testing display screen 2 not in the preset distance range. The speaker 15 can also preset corresponding processes in advance according to vision detection, and in the execution process, corresponding process information is sequentially broadcast.
In the above embodiment, the manipulation key module 13 preferably includes an up key 131, a down key 132, a left key 133, a right key 134, and a start/confirm key 135;
the up button 131, the down button 132, the left button 133, the right button 134, and the start/confirm button 135 respectively send preset up selection instructions, down selection instructions, left selection instructions, right selection instructions, and confirm instructions to the vision inspection system when triggered, and the up selection instructions, the down selection instructions, the left selection instructions, or the right selection instructions are respectively used for selecting the vision measurement optotype 21 selected by the vision inspection display screen 2 to be in an up, down, left, or right direction;
the power on/off command signal or the confirm operation command signal can be sent to the vision inspection system by the power on/confirm button 135 according to the trigger mode.
In the implementation process, the vision measurement optotype 21 selected on the vision testing display screen 2 can be randomly selected in a certain row according to a preset sequence, and after the vision tester makes a judgment, the next vision measurement optotype 21 is selected, so that the whole vision testing process is implemented.
In the above embodiment, it is preferable that the infrared ranging module 12 is capable of transmitting infrared rays in a preset direction and receiving reflected infrared rays of the infrared rays, so that the distance between the vision detecting handle 1 and the position of the infrared rays reflected by the obstacle can be calculated from the time difference between transmitting the infrared rays and receiving the infrared rays.
In the above embodiment, the microphone 14 is preferably used to collect the voice signal spoken by the vision tester, so that the vision testing system can convert the voice signal into corresponding text information by using the voice conversion algorithm, and can compare the text information with the direction of the vision measurement optotype 21 selected by the vision testing display screen 2, so as to determine whether the direction of the optotype spoken by the vision tester is correct. Based on the voice signal collection of speaking of the vision detector by the microphone 14, the judgment of the vision detector can be automatically evaluated and analyzed by utilizing the vision detection system, so that the workload of medical care or management staff is reduced, the working efficiency of whole vision detection and information collection and analysis is greatly improved, and the omission of manual collection and analysis is reduced.
In the above embodiment, it is preferable that the vision inspection apparatus further includes a laser auxiliary ranging module 16, and the laser auxiliary ranging module 16 is capable of emitting laser light in a direction in which the infrared ranging module 12 emits infrared rays as an auxiliary indication of the ranging position of the infrared ranging module 12. Specifically, during use, the laser-assisted ranging module 16 emits a beam of laser light that produces a spot on the surface of the irradiation object in a direction consistent with the direction in which the infrared ranging module 12 emits infrared light. Thus, according to the irradiation of the laser auxiliary ranging module 16, the vision testing handle 1 can be accurately aligned to the vision testing display screen 2 for ranging, and the distance detected by the infrared ranging module 12 is the distance from the vision testing handle 1 to the vision testing display screen 2.
In the above embodiment, the power module preferably includes a battery and a charging interface 17, and the charging interface 17 is connected to the battery for charging the battery, and the battery supplies power to the rest of the modules in the vision testing handle 1.
In the above embodiment, preferably, the vision testing handle 1 is further provided with an LCD screen 18, and the LCD screen 18 is connected to the first bluetooth module and is used for displaying information sent by the vision testing system and received by the first bluetooth module. The LCD screen 18 can also display the distance result detected by the infrared ranging module 12, the connection state of the bluetooth module, the equipment number information, the electric quantity of the vision inspection handle 1, the identity information and the measurement result information of the person to be inspected sent by the vision inspection system, and the like.
In the above embodiment, it is preferable that the vision detecting handle 1 is further provided with an audio interface 19, and the audio interface 19 is used for connecting with a headset, so as to reduce interference of the outside with the voice signal emitted by the vision detecting person.
As shown in fig. 5, according to the vision testing device disclosed in the above embodiment, after the vision testing handle 1 and the vision testing display screen 2 are used to cooperate to measure the vision condition of the vision tester, the vision testing system can uniformly integrate, analyze and calculate the measurement result, and automatically generate a vision statistics table of a certain batch of vision testers, so that the manager can master the myopia condition of the batch of vision testers in real time, take countermeasures and preventive measures in time, and improve the vision health condition of the batch of vision testers.
The vision testing system can display an operation interface of a vision testing program and a vision measurement optotype 21 on the vision testing display screen 2, and can be connected with the intelligent terminal APP for cooperation control and check.
Specifically, the vision testing display screen 2 displays a vision measurement optotype 21, the vision tester operates and judges the direction/icon of the vision measurement optotype 21 through the vision testing handle 1, the voice signal is collected through the microphone 14 or the optotype direction is selected through the control key module 13, and the communication feedback is carried out to the vision testing system through the Bluetooth module. The vision testing system automatically compares the direction/icon type or selected direction/type spoken by the vision tester with the direction/icon type of the vision measuring optotype 21 displayed on the vision testing display screen 2 to determine if the vision tester's prescription is correct.
Specifically, the optotype 21 for vision measurement may be an E optotype, the actual display size is set according to standard logarithmic chart national standard (GB 11533-89), after the default starting line number is set, the indicator bar points to a certain optotype at random in the line, when the vision tester continuously judges correctly 3 times (except the first line and the second line), the indicator bar enters the next line to randomly indicate, when the tester continuously judges incorrectly 3 times in the line, the previous line to randomly indicate is returned until the tester continuously judges correctly 3 times in a certain line, and the system judges that the vision degree corresponding to the line is the degree of eyes of the tester. The examiner may choose to have an unaided vision measurement and a wearer's (corrective) vision measurement.
Wherein, the parameter setting function includes:
1) And (5) measuring distance selection. The user can select two measurement distances of 5 meters for 3 meters according to the field scene, and the size of the measurement sighting target after selection is correspondingly adjusted according to national standard documents.
2) Time constraints. The system may set the limit time to 20 seconds, 30 seconds, 50 seconds, and 60 seconds, and the system judges that the measurer judges that the vision handle is not operated for the set time.
3) The line number setting is started. After setting the starting line number (e.g., starting in the fourth line), the system will indicate the measurement optotype from that line, rather than having to detect from the first line each time. The initial measurement line number can be set to be beneficial to improving the efficiency of batch scale detection.
4) Whether a specular optotype is used. In the case of using a specular optotype in suspension, the optotype will be displayed in the opposite direction to the left and right of the reference optotype. The visual target direction of the visual acuity chart is not changed all the time.
5) Type of visual chart. The administrator may select either the E-optotype mode or the child mode. The child mode type measurement optotype is presented in the forms of a house, an apple, a round or a square, and the like, so that the interest of vision detection of the young child is improved.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. A vision testing device, comprising: a vision testing handle and a vision testing display screen;
the vision testing handle comprises a handle body, a first Bluetooth module, an infrared ranging module, a control button module, a microphone, a loudspeaker and a power module, wherein the first Bluetooth module, the vision testing system and the vision testing display screen are arranged on the handle body, the first Bluetooth module is in communication connection, the infrared ranging module is used for realizing distance measurement by sending and receiving infrared rays, the control button module is used for sending a preset control instruction to the vision testing system, the microphone is used for collecting voice signals of a vision measurer, the loudspeaker is used for playing preset prompt voice, and the power module is used for supplying power for other modules arranged on the handle body;
the vision testing display screen comprises a second Bluetooth module which is matched with the first Bluetooth module, the second Bluetooth module can receive a display instruction sent by the vision testing system under a control instruction sent by the vision testing handle, and the vision testing display screen displays a preset vision measurement sighting target according to the display instruction.
2. The vision inspection device of claim 1, wherein the manipulation key module comprises an up key, a down key, a left key, a right key, and a power on/confirm key;
the up button, the down button, the left button, the right button and the start/confirm button respectively send preset up selection instructions, down selection instructions, left selection instructions, right selection instructions and confirm instructions to the vision detection system when triggered, wherein the up selection instructions, the down selection instructions, the left selection instructions or the right selection instructions are respectively used for selecting the vision measurement optotype selected in the vision detection display screen to be in an up, down, left or right direction;
the starting/confirming button can respectively send starting/closing instruction signals or confirming operation instruction signals to the vision detecting system according to different triggering modes.
3. The vision testing device of claim 1, wherein the infrared ranging module is capable of transmitting infrared rays in a predetermined direction and receiving reflected infrared rays of the infrared rays, so that a distance between the vision testing handle and the position of the infrared rays reflected by the obstacle can be calculated according to a time difference between transmitting the infrared rays and receiving the infrared rays.
4. The vision testing device of claim 2, wherein the microphone is configured to collect a voice signal spoken by a vision tester, so that the vision testing system can convert the voice signal into corresponding text information by using a voice conversion algorithm, and can compare the text information with a direction of a vision measurement optotype selected by the vision testing display screen, so as to determine whether the direction of the optotype spoken by the vision tester is correct.
5. A vision inspection device according to claim 3, further comprising a laser-assisted distance measurement module capable of emitting laser light in a direction in which the infrared distance measurement module emits infrared light as an assisted indication of the infrared distance measurement module's distance measurement position.
6. The vision testing device of claim 5, wherein the power module comprises a battery and a charging interface, the charging interface being coupled to the battery, the battery powering the remaining modules in the vision testing handle.
7. The vision testing device of claim 6, wherein the vision testing handle is further provided with an LCD screen, and the LCD screen is connected to the first bluetooth module, and is configured to display information sent by the vision testing system and device information and link information of the handle received by the first bluetooth module.
8. The vision testing device of claim 7, wherein the vision testing handle is further provided with an audio interface for connecting headphones.
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