CN209751008U

CN209751008U - Self-service eyesight screening device with built-in light source

Info

Publication number: CN209751008U
Application number: CN201822220909.4U
Authority: CN
Inventors: 徐西宁; 孔明; 吴明源; 陆琦
Original assignee: Guangxi Nanning Gardener Medical Devices Co Ltd
Current assignee: Guangxi Nanning Gardener Medical Devices Co Ltd
Priority date: 2018-12-27
Filing date: 2018-12-27
Publication date: 2019-12-10
Anticipated expiration: 2028-12-27

Abstract

The utility model relates to a self-service vision screening device that contains built-in light source, a serial communication port, including vision screening appearance, display screen, light source module, eyes position indicating device and connection closure, wherein vision screening appearance is located the one end of connecting the closure, and light source module is located and connects the closure, and display screen and eyes position indicating device are located the other end of connecting the closure, and vision screening appearance is connected with the display screen, and the eyes that eyes position indicating device instructed are placed plane and vision screening appearance's detection plane's distance and are sieved the best formation of image distance of the unit of making a video recording of appearance unanimously with vision. The utility model discloses it is wide to adapt to the crowd, can show precision, the efficiency that improves visual detection, reduces the detection cost, is fit for the screening of large tracts of land vision and uses.

Description

Self-service eyesight screening device with built-in light source

Technical Field

The utility model relates to an eyesight examination device field, concretely relates to self-service eyesight examination device who contains built-in light source.

Background

In recent years, the incidence of myopia has been on the rise, not only in relation to the increasing exposure of electronic devices in life, but also in relation to the eye-use habits of the vision screeners. Therefore, how to find the vision problem early and have important significance on continuously monitoring the vision change of the user. At present, the vision screening of each school period is far from enough, and the development speed of the vision problems of myopia and the like of the students at present is very high, so that many students are already short-sighted after the vision screening, and the prevention effect cannot be achieved. Only if the vision examination is continuously carried out at regular intervals, the development trend of the poor vision can be found in advance more timely and effectively, then the root cause of the problem is found, and the problems such as myopia and the like are prevented by adopting measure intervention. The vision screening instrument can be used for detecting the vision of a vision screener, but the vision screener needs to continuously test the detection distance and range in the using process so as to effectively detect the vision screener. For reaching the purpose of quick, stable detection vision, the utility model discloses a to the affirmation of the best detection range of vision screening appearance and distance to the instruction tester removes the assigned position with eyes, and designs the self-service detection mode, can realize high-efficient, stable visual detection, and for the visual archives of vision screening person's eyesight establishment, provide auxiliary information for the prevention with prevent that visual problem from developing.

Chinese patent CN206491782U discloses a self-help vision testing device, wherein the tested person can automatically enter the next character board for testing by speaking the opening direction of the character or pressing the direction button of the remote controller according to the opening direction of the visual target "E", and if the tested person selects the direction button, the vision testing result can be displayed on the self-help electronic visual chart. The invention has limited accuracy on vision test, has the problem of inaccurate test result caused by mixing in the test process,

Chinese patent CN202036199U discloses a self-service intelligent vision testing system, which comprises a remote controller, a display, a box-shaped package and a server, wherein an embedded industrial motherboard and an infrared receiving device are arranged in the box-shaped package; the test system is a traditional alphabet type vision test, is influenced by certain human subjectivity, has limited test accuracy, does not form an integrated device, needs to be operated by a key type remote controller, and has poor operation convenience and fewer functions; and the system cannot achieve the development trend of preventing and monitoring the vision problems for a long time.

In addition, the existing vision screening system is subjected to detection operation by professional personnel in an open environment, on one hand, special operators are required to manually adjust the system to adapt to detection parameters, the detection efficiency is low, on the other hand, under different open environments, the luminous environments are different, and too low or too high illumination intensity affects the testing time of vision detection and the accuracy and consistency of testing results.

Therefore, it is necessary to develop a self-help vision screening instrument with accurate vision examination and high efficiency.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides a self-service eyesight screening device who contains built-in light source specifically adopts following technical scheme:

The utility model provides a self-service vision screening device, includes vision screening appearance, the display screen, the light source module, eyes position indicating device and connects the closure, wherein vision screening appearance is located the one end of connecting the closure, the light source module is located connects the closure, display screen and eyes position indicating device are located the other end of connecting the closure, vision screening appearance is connected with the display screen, the eyes that eyes position indicating device instructed are placed the plane and are surveyed the detection plane's of vision screening appearance distance and the best imaging distance of the unit of making a video recording of vision screening appearance unanimous.

Preferably, the vision screening instrument is made based on the wave-front phase difference analysis principle. Preferably the optimal imaging distance of the camera unit of the vision screening apparatus is 60-120cm, further preferably 80-100 cm.

Preferably, the vision screening apparatus is operable within a range of space of the optimum imaging distance of the camera unit, preferably the range is the optimum imaging distance ± 5cm, further preferably ± 3 cm.

Preferably, the length of the connecting closure is not less than the optimum imaging distance for the camera of the optometry unit.

Preferably, the connection between the vision screening instrument and the display screen is a signal transmission line or a wireless communication signal.

Preferably, the eye position indicating device is a light-transmissive panel, an open frame or a light-transmissive model of a human eye reverse mold.

Preferably, the connecting closure is a cylinder with a square, rectangular or circular cross section or a closure with a cross section of another regular and/or irregular shape.

Preferably, the display screen is a touch screen and is used for operation of the vision test and display of test results.

Preferably, the display screen is arranged on an end face of one end of the connection closure or above the connection closure.

Further preferably, the display screen is arranged above the connecting sealing body, and the distance between the display screen and the end of the connecting sealing body is preferably 0-50 cm, and further preferably 0-20 cm. Preferably, the display screen is angularly rotatable or at a particular angle to the connection closure.

Preferably, the light source module adopts an LED light source. Preferably, the light source module adopts a surface light source.

In order to provide a light environment suitable for performing vision testing, preferably, when the light source module works, the illumination intensity at the eye position indicating device is not higher than 200lx, further preferably not higher than 100lx, and more preferably 20-50 lx.

Preferably, as a preferred embodiment, the working process of the self-service vision screening device comprises: the vision screening device is started, the light source is lightened, the tester starts vision testing through self-service operation of the display screen, the eyes are moved to the positions indicated by the eye position indicating device, the vision screening instrument starts working to measure the vision of the tester, and results are output to the display screen or other display ends.

As an embodiment of the light source module, the light source module is a smart dimming light source module. The intelligent dimming light source module is used for providing a light environment in the closed body, so that the pupil diameter of a tester is 60% -90% of the pupil diameter base number in a dark environment, and the tester is suitable for vision detection. Further preferably, the pupil diameter is 70-90% of the pupil diameter base number in a dark environment; more preferably, the pupil diameter is 70-80% of the pupil diameter base number in a dark environment.

Preferably, the smart dimming light source module comprises a pupil monitor, a controller and a light source, wherein the pupil monitor is used for measuring the pupil diameter of the tester, and the controller is used for adjusting the illumination intensity of the light source.

Preferably, in the embodiment, the operation process of smart dimming includes: when the light source is not started to work, the pupil monitor measures the pupil diameter of the tester in a dark environment, the pupil diameter information is sent to the controller to serve as the pupil diameter base number, the controller starts the light source to work, the illumination intensity of the light source is gradually improved, then the pupil monitor measures the pupil diameter of the tester, and if the pupil diameter reaches 60% -90% of the pupil diameter base number, the intelligent dimming work is completed.

Preferably, the self-service vision screening device may further include a communication module. The communication module may send the detection result to other receiving and display devices. The communication module preferably communicates via bluetooth or wifi.

Preferably, the self-service vision screening device may further comprise a support platform.

In one embodiment, the support platform is in the form of a leg that is fixedly attached to the connecting enclosure. Preferably, the number of the supporting legs is at least two, and at least two supporting legs are positioned at two ends of the connecting seal; preferably the legs have a lifting function.

In one embodiment, the support platform is planar and has means for attachment of a mating closure on the planar surface. The plane is horizontal, vertical or at an angle relative to the horizontal.

As an embodiment, the support platform is a rotating shaft. The connecting position of the rotating shaft and the connecting closing body can be any position of the connecting closing body. Preferably, the connecting locations are two ends or an intermediate location connecting the bottom of the enclosure. Preferably, the rotatable angle range of the rotating shaft is preferably 0-180 degrees, more preferably 30-150 degrees, and even more preferably 60-120 degrees.

The utility model discloses the beneficial technological effect who obtains:

1) The utility model provides an integration self-service vision screening device has solved the defect that visual examination is inaccurate, the check efficiency is low that current visual examination exists, through setting up tester eyes position indicating device, guides the tester to move eyes to the best position that is fit for visual screening appearance work, is operated by the tester by oneself through the display screen towards the tester, easy operation, test convenience can realize quick, high-efficient, stable visual detection, provide auxiliary information for preventing and preventing visual defect development;

2) The closed structure scheme of the utility model can reduce the interference of the external environment light by fixedly arranging the vision screening instrument in the closed body; and through providing built-in light source in the obturator, reduce external non-uniform ambient light and disturb, inside provides and is fit for the eyesight and detects the luminous environment for detection efficiency and success rate are higher, and the stability and the degree of accuracy of testing result are more excellent.

3) The utility model discloses structural design is succinct effective for this eyesight examination device's manufacturing cost is lower, and not fragile or damage the back maintenance of being convenient for, and can set up on all kinds of supporters, place in all kinds of indoor and outdoor environment, be fit for the large tracts of land and popularize the use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts. In the drawings:

FIG. 1 is a side cross-sectional view of an apparatus according to embodiment 1 of the present invention; wherein: the visual inspection instrument comprises a visual inspection instrument, a barrel 2, a display screen 3, an eye position indicating device 4, a tester eye 5 and a light source module 6.

FIG. 2 is a side cross-sectional view of the device of example 2 of the present invention; the visual inspection instrument comprises a visual inspection instrument, a barrel, a display screen, an eye position indicating device, a tester eye, a light source module and a supporting platform, wherein the visual inspection instrument comprises the following components 1, 2, the barrel, 3, the display screen, 4, the eye position indicating device, 5, the tester eye, 6 and 7.

Figure 3 is a side cross-sectional view of the device of example 3 of the present invention; the visual inspection instrument comprises a visual inspection instrument 1, a barrel 2, a display screen 3, an eye position indicating device 4, a tester eye 5, a light source module 6, a first supporting rod 8, a second supporting rod 9, a rotating shaft 10 and a supporting frame 11.

Fig. 4 is a side sectional view of a light source module according to embodiment 4 of the present invention; wherein 12-light source, 13-controller, 14-pupil monitor.

Detailed Description

The technical solution of the present invention will be described in detail by way of embodiments with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.

The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, B exists alone, and A and B exist at the same time, and the term "/and" is used herein to describe another association object relationship, which means that two relationships may exist, for example, A/and B, may mean: a alone, and both a and B alone, and further, the character "/" in this document generally means that the former and latter associated objects are in an "or" relationship.

Example 1

FIG. 1 is a side cross-sectional view of the device of this embodiment.

As shown in fig. 1, a self-service vision screening device includes a vision screening instrument 1, a barrel 2, a display screen 3, an eye position indicating device 4 and a light source module 6; the fixed setting of vision screening appearance 1 is in the one end of barrel 2, light source module 6 sets up in barrel 2, and display screen 3 and eyes position indicating device 4 set up at the other end of barrel 2, and display screen 3 sets up the upper portion of barrel 2, eyes position indicating device 4 sets up on the plane of barrel end.

Barrel 2 is the square barrel of certain length, barrel 2 length can satisfy the needs of the best imaging distance of vision screening appearance, barrel 2 is provided with 1 one end of vision screening appearance and seals, and the other end seals with the panel that the mid portion was provided with the printing opacity part, be provided with the contour line of instructing the eye position on the printing opacity part panel.

Further, display screen 3 is connected through signal transmission line with vision screening instrument 1, and the operation on the display screen is transmitted to vision screening instrument through signal transmission line, and the testing result of vision screening instrument feeds back to the display screen through signal transmission line.

Further, the display screen 3 is an LED, LCD or OLED screen, and the display screen is a touch control type operation screen.

further, the light source module 5 contains an LED light source, the light source is a surface light source, and the light source is disposed at one end of the vision screening instrument in the barrel 2 or on the barrel wall.

Furthermore, the vision screening device is provided with a mobile phone end, the display screen 1 is provided with a two-dimensional code, the two-dimensional code corresponds to the mobile phone end, a screened person can download the mobile phone end by scanning and identifying the two-dimensional code through a mobile phone, the mobile phone end is mainly used for registering, logging and recording vision detection information of the tester, and can store the previous information and provide a vision change trend basis for the vision screening person.

Example 2

Based on the above embodiment 1, the difference of this embodiment is that the apparatus further includes a supporting platform 7, the supporting platform 7 is planar, and the supporting platform 7 is a horizontal plane, as shown in fig. 2.

Example 3

Based on the above embodiment 1, the difference of this embodiment is that the apparatus further includes a support platform, and the support platform is a rotating shaft type, as shown in fig. 3.

Pivot formula supporting platform includes first bracing piece 8, second bracing piece 9 and pivot 10, support frame 11, and posture supporting platform passes through the intermediate position department fixed connection of first bracing piece 8 and barrel 2, and first bracing piece 8 can rotary motion through the relative second bracing piece 9 of pivot 10, and then drives barrel 2 and rotate, is convenient for be fit for the tester of different heights and carries out vision measurement.

Preferably, handles are respectively arranged on two sides of the barrel body 2, so that a tester can conveniently move the barrel body 2 up and down.

Example 4

Based on self-service eyesight screening device of embodiment 1, the light source module is intelligent light source module that adjusts luminance, and fig. 2 is a side view cross-section of this embodiment intelligent light source module that adjusts luminance, including light source 12, regulator 13 and pupil measuring apparatu 14.

the pupil measuring instrument 14 is used for measuring the diameter of the pupil of the tester, and the regulator 13 is used for regulating the illumination intensity of the light source 12.

The intelligent dimming working process of the intelligent dimming light source module comprises the following steps: when the light source is not started to work, the pupil monitor measures 14 the pupil diameter of the tester in a dark environment, and sends the pupil diameter information to the regulator 13 as the pupil diameter base number, the regulator 13 starts the light source 12 to work, the illumination intensity of the light source 12 is gradually improved, then the pupil measuring instrument 14 measures the pupil diameter of the tester, and if the pupil diameter reaches 60% -90% of the pupil diameter base number, the intelligent dimming work is completed.

As described above, the present invention can be preferably realized. It will be appreciated by those skilled in the art that changes, modifications, substitutions, integrations and variations may be made in these embodiments without departing from the principles and spirit of the invention. The parts of the utility model which are not specially explained or limited are all implemented by adopting the prior art.

Claims

1. The utility model provides a self-service eyesight screening device that contains built-in light source, a serial communication port, including the eyesight screening appearance, a display screen, the light source module, eyes position indicating device and connection obturator, wherein the eyesight screening appearance is located the one end of connecting the obturator, the light source module is located and connects the obturator, display screen and eyes position indicating device are located the other end of connecting the obturator, the eyesight screening appearance is connected with the display screen, the eyes that eyes position indicating device instructed are placed the plane and are tested the planar distance with the eyesight screening appearance and are screened the best formation of image distance of the unit of making a video recording of appearance unanimously.

2. The self-service vision screening device with built-in light source of claim 1, wherein the length of the connecting enclosure is not less than the optimal imaging distance for the camera of the vision screening apparatus, and the optimal imaging distance for the camera unit of the vision screening apparatus is 60-120 cm.

3. The self-service vision screening device of claim 1, wherein the display screen is disposed on an end surface of the splice enclosure or above the splice enclosure.

4. The self-service vision screening device with the built-in light source as claimed in claim 3, wherein the display screen is arranged above the connection enclosure, and the distance between the display screen and the end of the connection enclosure is preferably 0-50 cm.

5. The self-service vision screening device with built-in light source of claim 1, wherein the light source module is an LED light source.

6. the self-service vision screening device with built-in light source of claim 1, wherein the light source module comprises a pupil meter, a regulator and a light source.

7. The self-service vision screening device with built-in light source of claim 1, wherein the eye position indicating device is a light-transmissive panel, an open frame or a light-transmissive model of a reverse cast of the eyes of the person.

8. The self-service vision screening device with built-in light source of claim 1, wherein said connecting enclosure is a cylinder with a square, rectangular or circular cross-section or an enclosure with other regular and/or irregular cross-sections.

9. The self-service vision screening device with a built-in light source of any one of claims 1-8, further comprising a communication module.

10. The self-service vision screening device with built-in light source of any one of claims 1-8, further comprising a support platform; the supporting platform is in a supporting leg type, a plane type or a rotating shaft type.