CN213935250U

CN213935250U - Ophthalmoscope for teaching

Info

Publication number: CN213935250U
Application number: CN202021676350.7U
Authority: CN
Inventors: 闫晨曦; 李娟�; 杨冬; 宋姝琪
Original assignee: Shenzhen Bajiulin Technology Co ltd
Current assignee: Shenzhen Bajiulin Technology Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-08-10
Anticipated expiration: 2030-08-12

Abstract

The utility model discloses an ophthalmoscope for teaching use, including detecting system, detecting system gesture measurement accuracy static 0.05 degree, developments 0.1 degree, and the last six degree of freedom sensors of installing of detecting system, the detecting system right-hand member is provided with lighting system, and the lighting system right side is provided with the observation board, installs the diopter carousel on the observation board, is equipped with the lens of 19 different diopters on the diopter carousel, and lens diopter variation range is-20 Dto + 20D. In short, the technical scheme of the application utilizes a coherent and compact structure, and solves the problems that the current ophthalmoscope is single-purpose, cannot detect the real condition of a user and simultaneously associate the visual angle area of a virtual fundus picture, and cannot achieve the fundus effect of virtual simulation examination.

Description

Ophthalmoscope for teaching

Technical Field

The utility model relates to an educational equipment technical field, concretely relates to ophthalmoscope for teaching is used.

Background

Ophthalmoscopes belong to eye detection equipment, and currently, the ophthalmoscopes can be divided into direct ophthalmoscopes and indirect ophthalmoscopes. The direct ophthalmoscope can directly check the eyeground without spreading large pupils, the eye of an inspector needs to be close to the eye of an inspector, the right eye of the inspector is checked by using the right eye, the ophthalmoscope is held by the right hand and is seated or stood on the right side of the inspector, otherwise, the left eye is checked, the eyelid of the inspector is retracted by the other hand of an expert, the ophthalmoscope is firstly placed about 20cm in front of the eye of the inspector, whether the refraction interstitium of the inspector is transparent is checked by using a +10D lens, after the refraction interstitium is checked, the inspection of each part of the eyeground can be started, the ametropia of the expert and the inspector can be corrected by rotating a rotary disc of a lens sheet, if the expert is an emmetropia eye or is matched with a correction lens, the diopter used for seeing the eyeground clearly represents the refraction condition of the inspected eye, and the current inspectoscope has the following defects in the use process:

the current ophthalmoscope is single-purpose, cannot detect the real condition of a user and simultaneously associate the visual angle area of a virtual fundus picture, and cannot achieve the effect of virtually and artificially inspecting the fundus.

It follows that there is a need to provide an ophthalmoscope for educational use.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an ophthalmoscope for teaching use to solve present ophthalmoscope and be the single use, can not detect user's true condition and the visual angle region of associated virtual fundus picture simultaneously, can not reach the problem of the effect of virtual emulation inspection eye ground.

In order to achieve the above object, the utility model discloses a following technical scheme realizes:

an ophthalmoscope used for teaching comprises a detection system, wherein the attitude measurement precision of the detection system is static 0.05 degree and dynamic 0.1 degree, a six-degree-of-freedom sensor is arranged on the detection system, an illumination system is arranged at the right end of the detection system, an observation plate is arranged at the right side of the illumination system, a diopter turntable is arranged on the observation plate, 18 lenses with different diopters are arranged on the diopter turntable, and the diopter change range of the lenses is-20 Dto + 20D;

the lighting system includes the light source, the light source is located lighting system main casing internal portion, the light source adopts the LED bulb, light is upwards launched to the light source, the light source upper end is provided with condensing lens, condensing lens is perpendicular with the light that the light source sent, the condensing lens top is provided with the refractor, and the refractor inclines to certain angle for the light source after passing condensing lens is the horizontality after the refractor transmission, the refractor right side is provided with projection lens.

Furthermore, a sliding rod is fixed at the front end of the lighting system, a sliding groove in the horizontal direction is formed in the sliding rod, a sliding block is embedded in the sliding groove in a sliding fit mode, an observation plate is fixed at the other end of the sliding block, and a bidirectional screw rod is fixed on the side wall of the observation plate.

Furthermore, the right end face of the observation plate is provided with a through round hole facing the opposite face, the size of the round hole is matched with the size of eyes of a person, and a sponge cushion is arranged on the periphery of the round hole of the observation plate.

Furthermore, scales are arranged on the periphery of the sliding groove in the horizontal direction.

Furthermore, the right end face of the bidirectional screw is provided with a rubber pad matched with the bidirectional screw structure.

The beneficial effects of the utility model reside in that:

1. the utility model discloses an install six degree of freedom sensors on detecting system, trail and detect the spatial position of ophthalmoscope, then associate the spatial position of ophthalmoscope and inspector's visual angle, the visual angle region of the virtual eye ground picture of association simultaneously reaches the effect of virtual emulation inspection eye ground.

2. The utility model discloses the light source adopts the LED bulb, bulb long service life, and the light that launches is little to the eye injury.

In short, the technical scheme of the application utilizes a coherent and compact structure, and solves the problems that the current ophthalmoscope is single-purpose, cannot detect the real condition of a user and simultaneously associate the visual angle area of a virtual fundus picture, and cannot achieve the fundus effect of virtual simulation examination.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the illumination system of the present invention;

fig. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic cross-sectional view of the observation plate of the present invention;

fig. 5 is a schematic structural view of the diopter turntable of the present invention;

in the figure: 1. a detection system; 2. an illumination system; 21. a projection lens; 22. a refractor; 23. a condenser lens; 24. a light source; 3. a slide bar; 4. a chute; 5. an observation plate; 6. calibration; 7. a bidirectional screw; 8. a rubber pad; 9. a slider; 10. a sponge cushion; 11. diopter carousel.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the above description of the present invention, it should be noted that the terms "one side" and "the other side" are used for indicating the position or the positional relationship based on the position or the positional relationship shown in the drawings, or the position or the positional relationship which is usually placed when the product of the present invention is used, only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the indicated device or element must have a specific position, be constructed and operated in a specific position, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Further, the term "identical" and the like do not mean that the components are absolutely required to be identical, but may have slight differences. The term "perpendicular" merely means that the positional relationship between the components is more perpendicular than "parallel", and does not mean that the structure must be perfectly perpendicular, but may be slightly inclined.

Referring to fig. 1-5, the present invention provides a technical solution: an ophthalmoscope used for teaching comprises a detection system 1, wherein the attitude measurement precision of the detection system 1 is static 0.05 degree and dynamic 0.1 degree, a six-degree-of-freedom sensor is arranged on the detection system 1, an illumination system 2 is arranged at the right end of the detection system 1, an observation plate 5 is arranged at the right side of the illumination system 2, a diopter turntable 11 is arranged on the observation plate 5, 18 lenses with different diopters are arranged on the diopter turntable 11, and the diopter change range of the lenses is-20 Dto + 20D;

the lighting system 2 comprises a light source 24, the light source 24 is located inside a main shell of the lighting system 2, the light source 24 is an LED bulb, light is emitted upwards from the light source 24, a condensing lens 23 is arranged at the upper end of the light source 24, the condensing lens 23 is perpendicular to the light emitted from the light source 24, a refractor 22 is arranged above the condensing lens 23, the refractor 22 is inclined to a certain angle, the light source passing through the condensing lens 23 is in a horizontal state after being emitted by the refractor 22, and a projection lens 21 is arranged on the right side of the refractor 22.

The utility model discloses in, 2 front ends of lighting system are fixed with slide bar 3, set up the spout 4 that has the horizontal direction on the slide bar 3, have slider 9 through the embedding of sliding fit mode in the spout 4, and slider 9's the other end is fixed with

observation board

5, and 5 lateral walls of observation board are fixed with two-way screw rod 7, and removal observation board 5 compresses tightly slide bar 3 through adjusting 7 one end of two-way screw rod, is convenient for adjust the distance between observation board 5 and lighting system 2.

The utility model discloses in, 5 right-hand members of observation board are offered the round hole that link up towards the opposite face, and the round hole size is provided with foam-rubber cushion 10 with people's eyes size phase-match around the round hole of observation board 5, has improved the comfort level when people's eyes and observation board 5 contact.

The utility model discloses in, the peripheral horizontal direction of spout 4 is provided with scale 6, is convenient for read out observation board 5 and lighting system 2's distance, has improved the detection precision of device.

The utility model discloses in, 7 right-hand members of two-way screw rod face install with 7 structure assorted rubber pads 8 of two-way screw rod, increase 7 and the frictional force of slide bar 3 of two-way screw rod, increased the stability of device.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. An ophthalmoscope for educational use, comprising a detection system (1), characterized in that: the attitude measurement precision of the detection system (1) is static at 0.05 degree and dynamic at 0.1 degree, a six-degree-of-freedom sensor is mounted on the detection system (1), an illumination system (2) is arranged at the right end of the detection system (1), an observation plate (5) is arranged on the right side of the illumination system (2), a diopter turntable (11) is mounted on the observation plate (5), 18 lenses with different diopters are arranged on the diopter turntable (11), and the diopter change range of the lenses is-20 Dto + 20D;

lighting system (2) include light source (24), light source (24) are located inside lighting system (2) the main casing body, light source (24) adopt the LED bulb, light is upwards launched in light source (24), light source (24) upper end is provided with condensing lens (23), condensing lens (23) are perpendicular with the light that light source (24) sent, condensing lens (23) top is provided with refractor (22), and refractor (22) slope to certain angle for be the horizontality after passing the light source behind condensing lens (23) through refractor (22) transmission, refractor (22) right side is provided with projection lens (21).

2. An ophthalmoscope for educational use according to claim 1, wherein: the illuminating system is characterized in that a sliding rod (3) is fixed at the front end of the illuminating system (2), a sliding groove (4) in the horizontal direction is formed in the sliding rod (3), a sliding block (9) is embedded into the sliding groove (4) in a sliding fit mode, an observation plate (5) is fixed at the other end of the sliding block (9), and a bidirectional screw (7) is fixed on the side wall of the observation plate (5).

3. An ophthalmoscope for educational use according to claim 1, wherein: the right end face of the observation plate (5) is provided with a through round hole facing the opposite face, the size of the round hole is matched with the size of human eyes, and a sponge cushion (10) is arranged on the periphery of the round hole of the observation plate (5).

4. An ophthalmoscope for educational use according to claim 2, wherein: scales (6) are arranged on the periphery of the sliding groove (4) in the horizontal direction.

5. An ophthalmoscope for educational use according to claim 2, wherein: and a rubber pad (8) structurally matched with the bidirectional screw (7) is arranged on the right end face of the bidirectional screw (7).