CN210673290U

CN210673290U - Vision tester

Info

Publication number: CN210673290U
Application number: CN201921121422.9U
Authority: CN
Inventors: 陆续
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-06-05
Anticipated expiration: 2029-07-17

Abstract

The utility model provides an eyesight tester, including the casing, locate the casing in the treater and with display screen, state detection device and recognition device that the treater electricity is connected, the display screen is located on the front surface of casing, the display screen can show the visual chart, whether state detection device can detect user's user state accords with the visual detection condition, its characterized in that, recognition device is including locating gesture recognition module and pilot lamp on the front surface of casing, the pilot lamp can instruct the gesture direction that gesture recognition module discerned. The utility model has the advantages of the detection means is nimble various, intelligent degree is high, detect the accuracy.

Description

Vision tester

Technical Field

The utility model relates to an eyesight inspection device field especially relates to an eyesight inspection appearance.

Background

As a common physical examination item, the conventional visual examination is performed by a specialist or a professional technician, and the examination process is simple and boring for an operator, and the content is repeated singly. For such highly repetitive actions, it is entirely possible to replace them with self-service optometry. Chinese patent CN109793490A discloses an optometry apparatus, which comprises a touch display module for displaying an optometry chart, a distance measuring device for detecting the distance between a user and a device, and a gesture recognition module for recognizing the gesture direction of the user, and the scheme has the following disadvantages: 1. the user can not know whether the gesture is accurately recognized, so that the use experience is influenced, and the detection deviation is easy to occur. 2. The horizontal state that can't check out test set of this appearance, and national test standard requires that the eye chart must the level be placed, appears easily because of failing to put correctly and leads to detecting inaccurate condition. 3. The identification method is single, and the diversified requirements of the user are difficult to meet. 4. Due to the inherent limitation of the gesture recognition method, the recognition at a long distance (>50cm) is difficult to realize, and the practicability is not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an eyesight inspection tester that can audio-visual display gesture recognition direction is provided to improve user experience and avoid the erroneous judgement.

For solving the technical problem, the utility model discloses a following technical scheme:

an eyesight tester comprises a shell, a processor arranged in the shell, a display screen, a state detection device and a recognition device, wherein the display screen, the state detection device and the recognition device are electrically connected with the processor, the display screen is arranged on the front surface of the shell, the display screen can display an eyesight table, and the state detection device can detect whether the use state of a user meets the eyesight detection condition or not.

By adopting the means, after the gesture recognition module recognizes the gesture direction of the user, the gesture can be synchronously displayed through the indicating lamp, so that the user can clearly and visually know, the use experience is improved, and the occurrence of misjudgment is avoided.

In order to make the utility model discloses better accord with national detection standard, make to detect more accurate the utility model discloses an in the further improvement, state detection device is including locating ultrasonic ranging ware on the casing front surface with locate triaxial sensor in the casing, ultrasonic ranging ware can detect the user with distance between the visual inspection appearance, triaxial sensor can detect the horizontality of visual inspection appearance. Therefore, the horizontal placement of the equipment during detection can be ensured, and the condition of inaccurate detection is avoided.

In order to make the utility model discloses can satisfy user diversified user demand and improve the practicality the utility model discloses an in further improvement, recognition device is still including locating voice recognition module on the front surface of casing, voice recognition module is including integrating miaow head, megaphone and the recognition chip on the PCB board integratively, the casing corresponds the position department of miaow head is equipped with the mesh. The visual target direction can be indicated by the user in a voice control mode.

The utility model discloses in further improvement, recognition device still includes remote control module, remote control module is including locating infrared receiving head on the casing front surface and with the remote controller of infrared receiving head adaptation, be equipped with the direction key that can supply the user to instruct the operation on the remote controller.

In the preferred embodiment of the present invention, one side of the housing is provided with a holding chamber for holding the remote controller. To avoid the loss of the remote controller.

The utility model discloses an in the preferred embodiment, the pilot lamp is the annular light ring, the annular light ring is including encircleing a plurality of LED lamps that gesture recognition module arranged still include that the input links to each other with the treater, the shift register that the output links to each other with the LED lamp with cover in transparent light guiding ring on the LED lamp, the LED lamp can show under shift register's the drive the gesture direction. When the LED lamp synchronous display device is in operation, the processor recompiles the gesture direction data and inputs the recompiled gesture direction data into the shift register, the shift register drives the specific LED lamp on the light ring, the specific LED lamp is the same as the gesture direction, the gesture direction synchronous display effect is achieved, the LED lamp synchronous display device further comprises a transparent light guide ring covering the LED lamp, the appearance is more attractive, and the LED lamp can be effectively prevented from being damaged.

The utility model discloses an in the preferred embodiment, still include extension fixture, extension fixture include the WIFI module USB power supply interface, USB interface and PoE net twine interface, the WIFI module is located in the casing, USB power supply interface, USB interface and PoE net twine interface are located and are placed on the inner wall in chamber.

The utility model discloses a in the preferred embodiment, still include power management device, power management device including locate battery in the casing and with the battery management chip that the battery is connected.

In the preferred embodiment of the present invention, the housing includes a main body and a base mounted on the bottom of the main body, and the base is provided with heat dissipation holes.

Synthesize above, the utility model has the advantages of the detection means is nimble various, intelligent degree is high, detect the accuracy, has very big improvement than current technical means.

Drawings

The present invention will be further explained with reference to the following drawings:

fig. 1 is a front view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a circuit diagram of the present invention;

FIG. 4 is a schematic view of a middle ring aperture according to the present invention;

wherein: 100-shell, 101-placing cavity, 102-main body part, 103-base, 104-radiating hole, 105-labeling area, 200-processor, 300-state detection device, 301-brightness sensor, 302-ultrasonic range finder, 303-three-axis sensor, 400-recognition device, 401-gesture recognition module, 402-ring diaphragm, 403-LED lamp, 404-diaphragm, 405-voice recognition module, 406-mesh, 407-remote control module, 408-infrared receiving head, 409-remote controller, 500-display screen, 600-power management device, 601-battery, 602-battery management chip, 700-expansion device, 701-WI F I module, 702-USB power supply interface, 703-USB interface, 704-PoE network cable interface.

Detailed Description

The invention is further illustrated below by means of specific examples:

as shown in fig. 1 to 3, an optometry apparatus includes a housing 100, a processor 200, a status detection device 300, an identification device 400, a display screen 500, a power management device 600, and an expansion device 700.

The processor 200 is disposed in the casing 100, and the state detection device 300, the identification device 400, the display screen 500, the power management device 600 and the expansion device 700 are electrically connected to the processor 200.

The state detecting device 300 includes a brightness sensor 301 provided on the front surface of the case 100, an ultrasonic range finder 302, and a triaxial sensor 303 provided inside the case 100. The brightness sensor 301 can adjust the brightness of the screen by detecting the intensity of ambient light, and can achieve an energy-saving effect while meeting the inspection standard. The ultrasonic detector 302 can be used to detect the distance between the user and the device. This triaxial sensor 303 can whether check out test set is in the horizontality to satisfy the requirement of visual examination (visual examination specification requires visual chart level placement), when detecting that equipment is in non-horizontality, can turn off the power or make equipment be in the state of low-power operation, in order to save the electric energy.

The recognition device 400 includes a gesture recognition module 401, an annular aperture 402, a voice recognition module 405, and a remote control module 407. The gesture recognition module 401 is disposed on the front surface of the housing 100 and can be used to recognize a gesture movement direction of a user. As shown in fig. 4, the annular aperture 402 includes a plurality of LED lamps 403 arranged around the gesture recognition module 401 and a transparent aperture 404 disposed on the housing 100 corresponding to the LED lamps 403, and the annular aperture 402 can drive the LED lamp 403 on the side corresponding to the gesture direction to light up according to the obtained gesture direction data, thereby providing a clear and intuitive understanding for the user. The voice recognition module 405 is disposed on the front surface of the casing 100, and includes a microphone, a loudspeaker and a recognition chip integrally integrated on the PCB, and a mesh 406 is disposed at a position of the casing 100 corresponding to the microphone for transmitting sound. The remote control module 407 includes an infrared receiving head 408 disposed on the front surface of the housing 100 and a remote controller 409 adapted to the infrared receiving head 408, where the remote controller 409 is provided with direction keys through which a user can input an indication direction of the optotype. In order to avoid the remote controller 409 from being lost, a placing cavity 101 for placing the remote controller 409 is further formed in one side of the casing 100, and the remote controller 409 is placed in the placing cavity 101 when not in use.

Specifically, the gesture recognition module 401 is a commercially available PAJ7260 module, but may be a gesture recognition module of another type. The annular aperture 402 further comprises a shift register, wherein the output end of the shift register is connected with the LED lamp, the input end of the shift register is connected with the processor 200, the gesture recognition module 401 inputs recognized direction data into the processor 200 during use, the processor 200 recompiles the direction data and inputs the recompiled direction data into the shift register, the specific LED lamp 403 corresponding to the gesture direction is driven by the shift register to display, and therefore the effect of displaying the gesture movement direction is achieved.

On the front surface of casing 100 was located to display screen 500, this display screen was 5.5 cun 1080p display screen, can show multiple distant vision table and near vision table, and the use crowd and the use scene that adapt to the difference still have good demonstration fineness simultaneously, can satisfy the detection requirement that the distant vision table > 5.3, near vision table > 5.0. The display screen 500 is preferably a touch screen, which can be conveniently touched and controlled without an external keyboard or mouse.

The power management device 600 comprises a battery 601 and a battery management chip 602 connected with the battery 601, wherein the battery management chip 602 can be seamlessly switched to external power supply when an external power supply is connected, so that the stability of the power supply is ensured, and the battery can be timely interrupted to cut off the power supply when the battery is over-temperature, over-discharge and overcharging, thereby playing a protection role.

The expansion device includes a WIFI module 701, a USB power supply interface 702, a USB interface 703, and a PoE network cable interface 704. This WIFI module 701 is 2.4G/5G dual-frenquency WIFI module, and it locates in casing 100, can connect the network and carry out online speech recognition, makes multilingual discernment possible. The USB interface 703 can be used to access external devices. The PoE network cable interface 704 can function to power the device while accessing external data. The USB power supply interface, the USB interface and the PoE network cable interface are all arranged on the inner wall of the placing cavity 101 so as to keep the appearance concise and attractive.

The housing 100 includes a main body 102 formed integrally therewith and a base 103 mounted to a bottom of the main body 102. The main body part 102 is provided with a placing cavity 101, the processor 200, the state detection device 300, the recognition device 400, the display screen 500, the power management device 600 and the expansion device 700 are all arranged in the placing cavity 101, the base 103 is provided with a heat dissipation hole 104 for dissipating heat of components in the main body part 102, and the middle part of the base 103 is further provided with a label area 105 for sticking labels.

Above is the utility model discloses an overall structure, its working method is as follows: during the use, open this visual inspection appearance, select required visual chart and show through display screen 500, the user keeps corresponding distance with equipment according to the inspection standard of visual chart afterwards, whether ultrasonic ranging ware 302 detection distance is up to standard, and triaxial sensor 303 check out test set is in the horizontality, after detecting distance and levelness and all up to standard, can begin visual detection, and the user can detect through these three kinds of modes as follows: 1. the sound control mode is as follows: the user speaks the direction that the sighting target points to, and the miaow head collects the sound signal, inputs the discernment chip discernment after the megaphone enlargies, compares the direction of discerning with the actual direction that shows of sighting target afterwards, realizes detecting from this. 2. Gesture control formula: the user indicates the direction pointed by the sighting target by using a gesture, the gesture recognition module 401 recognizes the gesture direction, displays the processed gesture direction to the user for confirmation through the annular aperture 402, and then compares the recognized direction with the actual display direction of the sighting target, so that detection is realized. 3. Remote control operation formula: the user indicates the direction of the visual target through the direction keys of the remote controller 409, and the infrared receiving head 408 receives the signal and compares the signal with the actual display direction of the visual target, thereby realizing detection.

After the detection is finished, the detection report can be directly displayed through the display screen 500, the detection report can be transmitted to the internet through the WIFI or PoE network cable interface for being stored by a user, and the detection report can be printed through a USB interface communication external printer.

In addition, for users in non-Mandarin Chinese, online voice recognition can be carried out through a PoE network cable interface or a WIFI connection network, so that multi-language recognition becomes possible.

So synthesize more than, the utility model has the advantages of detection means is nimble various, intelligent degree is high, a series of advantages such as the degree of accuracy height, compares prior art and has very big promotion.

However, those skilled in the art should realize that the above embodiments are only for illustrative purposes and are not to be used as limitations of the present invention, and that changes and modifications to the above embodiments are intended to fall within the scope of the appended claims, as long as they fall within the true spirit of the present invention.

Claims

1. An eyesight tester comprises a shell (100), a processor (200) arranged in the shell (100), a display screen (500), a state detection device (300) and a recognition device (400), wherein the display screen (500) is electrically connected with the processor (200), the display screen (500) is arranged on the front surface of the shell (100) and can be used for displaying an eyesight test chart, the state detection device (300) can detect whether the use state of a user meets eyesight detection conditions, and the eyesight tester is characterized in that the recognition device (400) comprises a gesture recognition module (401) arranged on the front surface of the shell (100) and an indicator lamp capable of displaying the gesture direction recognized by the gesture recognition module (401).

2. An eye chart according to claim 1, wherein: the indicating lamp is an annular diaphragm (402), the annular diaphragm (402) comprises a plurality of LED lamps (403) arranged around the gesture recognition module (401), the input end of the LED lamps is connected with the processor (200), the output end of the LED lamps is connected with a shift register (403), the LED lamps cover the transparent diaphragm (404) on the LED lamps (403), and the LED lamps (403) can display the gesture direction under the driving of the shift register.

3. An eye chart according to claim 1, wherein: the state detection device (300) comprises an ultrasonic range finder (302) arranged on the front surface of the shell (100) and a three-axis sensor (303) arranged in the shell (100), wherein the ultrasonic range finder (302) can detect the distance between a user and the vision tester, and the three-axis sensor (303) can detect the horizontal state of the vision tester.

4. An eye chart according to claim 1, wherein: the recognition device (400) further comprises a voice recognition module (405) arranged on the front surface of the shell (100), the voice recognition module (405) comprises a microphone, a loudspeaker and a recognition chip which are integrally integrated on the PCB, and a mesh (406) is arranged at the position, corresponding to the microphone, of the shell (100).

5. An eye chart according to claim 4, wherein: the identification device (400) further comprises a remote control module (407), the remote control module (407) comprises an infrared receiving head (408) arranged on the front surface of the shell (100) and a remote controller (409) matched with the infrared receiving head (408), and the remote controller (409) is provided with a direction key for indicating operation of a user.

6. An eye chart according to claim 5, wherein: one side of the shell (100) is provided with a placing cavity (101) for placing the remote controller (409).

7. An eye chart according to claim 1, wherein: the novel USB power supply device is characterized by further comprising an expansion device (700), wherein the expansion device (700) comprises a WIFI module (701), a USB power supply interface (702), a USB interface (703) and a PoE network cable interface (704), the WIFI module (701) is arranged in the shell, and the USB power supply interface (702), the USB interface (703) and the PoE network cable interface (704) are arranged on the inner wall of the placing cavity (101).

8. An eye chart according to claim 1, wherein: the power management device (600) is further included, and the power management device (600) comprises a battery (601) arranged in the shell (100) and a battery management chip (602) connected with the battery (601).

9. An eye chart according to claim 1, wherein: the shell (100) comprises a main body part (102) and a base (103) installed at the bottom of the main body part (102), wherein the base (103) is provided with a heat dissipation hole (104).