CN115220238A - Myopia prevention and control structure and myopia prevention and control equipment - Google Patents
Myopia prevention and control structure and myopia prevention and control equipment Download PDFInfo
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- CN115220238A CN115220238A CN202210815863.9A CN202210815863A CN115220238A CN 115220238 A CN115220238 A CN 115220238A CN 202210815863 A CN202210815863 A CN 202210815863A CN 115220238 A CN115220238 A CN 115220238A
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- 230000004379 myopia Effects 0.000 title claims abstract description 59
- 208000001491 myopia Diseases 0.000 title claims abstract description 59
- 230000002265 prevention Effects 0.000 title claims abstract description 48
- 238000003384 imaging method Methods 0.000 claims abstract description 15
- 239000003292 glue Substances 0.000 claims description 13
- 230000005499 meniscus Effects 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 230000003321 amplification Effects 0.000 abstract description 3
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 3
- 230000036544 posture Effects 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 208000029091 Refraction disease Diseases 0.000 description 1
- 230000004430 ametropia Effects 0.000 description 1
- 208000003464 asthenopia Diseases 0.000 description 1
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- 238000009833 condensation Methods 0.000 description 1
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- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 230000004402 high myopia Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
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- 208000014733 refractive error Diseases 0.000 description 1
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- 230000000007 visual effect Effects 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/02—Viewing or reading apparatus
- G02B27/021—Reading apparatus
Abstract
The invention discloses a myopia prevention and control structure and myopia prevention and control equipment, wherein the myopia prevention and control structure comprises an imaging component, a prism component and a plurality of eyepiece components, the technical scheme of the invention is that a reading object is placed in the horizontal direction and positioned at one side of the reflector, under the matching of the reflection of a plurality of reflectors and a relay structure, the direction of an image generated by the reading object after reflection and the like is consistent with the placing direction of the reading object, so that a user can observe the reading object through a head-up posture during observation, the head lowering action is reduced, the generated image is transmitted and converted through the prism component to complete light splitting, the binocular observation of the user is facilitated, the imaging can be clearly observed by the user through the amplification of a plurality of eyepiece structures, the imaging is enabled to be far away from the observation point of the user under the matching of the prism component and the relay structure, the technical effect of myopia prevention and lumbar vertebra, vertebra and spine and myopia prevention and control of the user is also facilitated to be protected under the condition of ensuring the visibility of observation.
Description
Technical Field
The invention relates to the technical field of myopia prevention and control, in particular to a myopia prevention and control structure and myopia prevention and control equipment.
Background
Myopia is a ametropia disease, the near sight is basically normal, and the sight at the far sight is blurred; with the increase of myopia degree, other visual symptoms such as weakening of far vision, asthenopia, retrobulbar dilatation, fundus lesion and the like are also accompanied, and the formation reasons of myopia are many, including genetic factors, environmental factors, nutritional factors and the like;
the incidence of myopia of teenagers is very high at present, and with the wide application of mobile phones, computers and various electronic products, the incidence of myopia is also rising on a straight line, and many young children have high myopia or ultrahigh myopia, which causes wide attention of countries and governments at all levels, the cause of myopia of teenagers is mainly that the distance from eyes to books and the like is too short due to long-time short-distance use of eyes including incorrect reading and reading postures, and the short-distance prevention and control of myopia is particularly important when the time is long, so that the invention conception of the following myopia prevention and control equipment is provided; of course, the mode of reading and writing is incorrect, and after a long time, the student under development is aligned, the cervical vertebra, the vertebra and the lumbar vertebra of the student are extremely unfavorable, and the myopia prevention and control device can also play a role in protecting the cervical vertebra, the vertebra and the lumbar vertebra of teenagers.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide a myopia prevention and control structure, aiming at providing myopia prevention and control and reducing the possibility of myopia.
In order to achieve the above object, the present invention provides a myopia prevention and control structure, comprising:
the imaging assembly comprises at least two reflectors and a relay structure, the reflectors are connected in an included angle, the reflectors are connected to form an included angle used for facing an object to be imaged and obliquely arranged towards the object to be imaged, and the relay structure is arranged towards a reflecting surface of the reflectors and used for accumulating light paths reflected by the reflectors into light paths of the relay structure;
the prism assembly is arranged in a light path formed by the relay structure so as to disperse the light path into at least two paths; and
and the plurality of eyepiece components are arranged on one side of the prism component, which is deviated from the relay structure, are positioned on the same horizontal plane with the prism component and are used for magnified imaging.
Optionally, the relay structure is horizontally disposed on one side of the reflecting surface of the mirror, and is configured to keep an imaging direction consistent with an object position direction.
Optionally, the relay structure includes a plurality of first lenses and a first cemented mirror, the prism assembly is located between the first lenses and the first cemented mirror, the plurality of first lenses are disposed on a side of the prism assembly away from the lens assembly, one first lens is located on one beam splitting path of the prism assembly, and the first cemented mirror is located between the prism assembly and the reflecting surface of the reflector to collect the light path reflected by the reflector.
Optionally, the first lens is a plano-convex lens with positive optical power, the first lens is disposed between the prism assembly and the eyepiece assembly, and the first lens has a convex surface facing the eyepiece assembly.
Optionally, the focal power of the first cemented lens is negative, the first cemented lens includes a second lens and a third lens, the second lens is a convex meniscus lens with a positive focal power, and the convex surface faces the reflector, the third lens is a concave meniscus lens with a negative focal power, and the convex surface faces the reflector, the concave surface of the second lens is cemented with the convex surface of the third lens.
Optionally, the relay structure further includes a fourth lens and a second cemented mirror, the second cemented mirror is located on a side of the prism assembly close to the reflecting mirror, and the fourth lens is disposed between the first cemented mirror and the second cemented mirror.
Optionally, the fourth lens is a biconvex lens, the focal power of the fourth lens is positive, and the fourth lens is a convex surface with a large curvature toward the image forming side.
Optionally, the focal power of the second cemented lens is negative, the second cemented lens includes a fifth lens and a sixth lens, the fifth lens is a biconvex lens with positive focal power, and the surface with large convex curvature faces the reflecting mirror, the sixth lens is a biconcave lens with negative focal power, and the surface with small concave curvature faces the reflecting mirror, and the surface with small convex curvature of the fifth lens is cemented with the concave curvature facet of the sixth lens.
Optionally, a convex surface of the fourth lens with a large curvature is opposite to a convex surface of the fifth lens with a large curvature, and a concave surface of the sixth lens with a large curvature is opposite to the prism assembly.
The invention also provides myopia prevention and control equipment which comprises a myopia prevention and control structure.
According to the technical scheme, the reading object is placed in the horizontal direction and is positioned on one side of the reflecting mirror, the direction of an image generated after the reading object is reflected and the like is consistent with the placing direction of the reading object under the reflection of the reflecting mirrors and the matching of the relay structures, so that a user can observe the reading object through a head-up posture during observation, the action of lowering the head is reduced, the generated image is transmitted and converted through the prism assembly to complete light splitting, the binocular observation of the user is facilitated, the user can clearly observe the image through the amplification of the ocular structures, the image is formed at a far position of an observation point of the user under the matching of the prism assembly and the relay structures, the technical effect of preventing and controlling myopia is achieved under the condition that the observation definition is ensured, and the cervical vertebra, the vertebra and the lumbar vertebra of the user are protected.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions of 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 the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a myopia prevention and control structure according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a myopia prevention and control structure according to another embodiment of the present invention;
FIG. 3 isbase:Sub>A cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is a schematic view of the beam splitting of a prism assembly in the myopia prevention and control structure of the present invention;
fig. 5 is a partial light path diagram of light reflected by the reflector in the myopia prevention and control structure of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Myopia prevention and | 10 | |
| 11 | Third | 111 | Fifth ocular |
| 112 | Fourth ocular | 12 | Third ocular |
| 13 | Second ocular | 14 | First ocular |
| 20 | | 21 | |
| 22 | | 30 | |
| 31 | First cemented | 311 | |
| 312 | Third lens | 32 | Fourth lens |
| 33 | Second | 331 | |
| 332 | Fifth lens element | 34 | |
| 40 | Reflecting mirror |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and back \8230;) in the embodiments of the present invention are only used to explain the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicators are changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the expression "and/or" as used throughout is meant to encompass three juxtaposed aspects, exemplified by "A and/or B", including either the A aspect, or the B aspect, or aspects in which both A and B are satisfied. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The present invention provides a myopia prevention and control structure 100.
Referring to fig. 1 to 5, fig. 1 is a schematic structural view of a myopia prevention and control structure according to an embodiment of the present invention; FIG. 2 is a schematic structural view of a myopia prevention and control structure according to another embodiment of the present invention; FIG. 3 isbase:Sub>A cross-sectional view taken at A-A of FIG. 2; FIG. 4 is a schematic view of the beam splitting of a prism assembly in the myopia prevention and control structure of the present invention; fig. 5 is a partial light path diagram of light reflected by the reflector in the myopia prevention and control structure of the present invention.
In an embodiment of the present invention, the myopia prevention and control structure 100; as shown in fig. 1 to 5, includes:
the imaging assembly comprises at least two reflectors 40 and a relay structure 30, wherein the two reflectors 40 are connected at an included angle, the two reflectors are connected to form the included angle which is used for facing an object to be imaged and inclining towards the object to be imaged, and the relay structure 30 is arranged facing a reflecting surface of the reflector 40 and used for accumulating a light path reflected by the reflector 40 into the light path of the relay structure 30;
a prism assembly 20, wherein the prism assembly 20 is disposed in the optical path formed by the relay structure 30 to disperse the optical path into at least two paths; and
a plurality of eyepiece assemblies 10, a plurality of eyepiece assemblies 10 are arranged on the side of the prism assembly 20 away from the relay structure 30 and at the same level with the prism assembly 20 for magnified imaging.
It should be noted that when the two mirrors 40 are connected together, an included angle exists between the two mirrors 40, and the included angle is opposite to the object side, so as to form a roof-ridge-shaped mirror structure, the two obliquely arranged mirrors 40 are inclined toward a direction away from the relay structure 30 relative to the relay structure 30, and the mirrors 40 are close to the placement plane of the object.
In this embodiment, the object is under the room ridge speculum structure specular reflection condition for the direction of the image of object structural formation in room ridge speculum is placed the direction with the object and is unanimous, and then observes the object posture with the user, is head level from overlooking the change, and then avoids the user to pass through to bow or long-time bow leads to cervical vertebra tired.
In this embodiment, the eyepiece assembly 10 includes a first eyepiece 14, a second eyepiece 13, a third eyepiece 12, and a third cemented lens 11, the first eyepiece 14 is disposed in one side of the first lens 34 deviating from the reflector 40, the second eyepiece 13 is disposed in one side of the first eyepiece 14 deviating from the reflector 40, the third eyepiece 12 is disposed in one side of the second eyepiece 13 deviating from the reflector 40, and the third cemented lens 11 is disposed in one side of the third eyepiece 12 deviating from the reflector 40.
In this embodiment, the first eyepiece 14 is a meniscus concave lens, and the focal power is a negative focal power, and the convex surface of the first eyepiece 14 deviates from the side of the reflector 40.
In this embodiment, the second eyepiece 13 is a meniscus convex lens, and the focal power is a positive focal power, and the convex surface of the second eyepiece 13 deviates from one side of the reflector 40.
In this embodiment, the third eyepiece 12 is a biconvex lens, and the focal power is a positive focal power, and a convex surface of the third eyepiece 12 with a large curvature deviates from one side of the reflector 40.
In this embodiment, the third cemented lens 11 includes the fourth eyepiece 112 with the fifth eyepiece 111, the fourth eyepiece 112 is biconvex lens, and the focal power is positive focal power, the less one side orientation of fourth eyepiece 112 camber deviates from one side of speculum 40, the fifth eyepiece 111 is biconcave lens, and the focal power is negative focal power, the less one side orientation of fifth eyepiece 111 camber is close to one side of speculum 40, the less one side of fourth eyepiece 112 camber with the less one side veneer of fifth eyepiece 111 camber.
In this embodiment, the eyepiece assembly formed by combining the first eyepiece 14, the second eyepiece 13, the third eyepiece 12 and the third cemented lens 11 is used for magnifying the image projected from the relay structure 30, so as to facilitate observation by human eyes of a user.
According to the technical scheme, the reading object is placed in the horizontal direction and is positioned on one side of the reflecting mirror 40, the direction of an image generated after the reading object is reflected and the like is consistent with the placing direction of the reading object under the matching of the reflection of the reflecting mirrors 40 and the relay structure 30, so that a user can observe the reading object through a head-up posture during observation, the head-lowering action is reduced, the generated image is transmitted and converted through the prism assembly 20 to be split, the binocular observation of the user is facilitated, the imaging can be clearly observed by the user through the amplification of the eyepiece structures 10, the imaging is far away from the observation point of the user under the matching of the prism assembly 20 and the relay structure 30, the technical effect of preventing and controlling myopia is achieved under the condition that the observation definition is ensured, and the cervical vertebra, the spine and the lumbar vertebra of the user are protected.
Optionally, the relay structure 30 is horizontally disposed on the emitting surface side of one of the mirrors 40, and is used for keeping the imaging direction consistent with the object position direction.
In this embodiment, the relay structure 30 is a lens combination structure, images an image of an object onto an image plane of the eyepiece assembly, and the prism assembly 20 is disposed between different prisms, so that the image reflected from the roof-ridge reflector structure is split into two paths by the prism assembly 20 after passing through a light path of the relay structure 30, and is amplified by the different eyepiece assemblies 10, and since the prism assembly 20 is split into multiple light paths, and the relay structure 30 is horizontally disposed on one emitting surface side of the reflector 40, a user can complete observation by multiple eyepiece assemblies 10 under a normal observation habit, thereby improving experience of the user.
Optionally, the relay structure 30 includes a plurality of first lenses 34 and a first glue mirror 31, the prism assembly 20 is located between the first lenses 34 and the first glue mirror 31, the plurality of first lenses 34 are disposed on a side of the prism assembly 20 away from the lens assembly, one first lens 34 is located on one beam splitting path of the prism assembly 20, and the first glue mirror 31 is located between the prism assembly 20 and the reflecting surface of the reflecting mirror 40, so as to collect the light path reflected by the reflecting mirror 40.
In this embodiment, the plurality of first lenses 34 are disposed between the prism assembly 20 and the eyepiece assembly 10, such that the plurality of first lenses 34 can complete the transmission of the optical path split by the prism assembly 20, and thus facilitate the magnification by the eyepiece assembly 10.
In this embodiment, first cemented mirror 31 changes ridge-like reflector structure reflection formation of image into and places the direction unanimously with the reading thing, and then the person of being convenient for accomplishes the reading to the reading thing through the posture of looking squarely, simultaneously through eyepiece subassembly 10 with prism subassembly 20 makes the formation of image in the user the far away in the dead ahead in front of the eye, and then reduces user's reading fatigue, plays the purpose that myopia prevention and control.
Optionally, the first lens 34 is a plano-convex lens with positive optical power, the first lens 34 is disposed between the prism assembly 20 and the eyepiece assembly 10, and the first lens 34 is convex toward the eyepiece assembly 10.
In this embodiment, the first lens 34 is a plano-convex lens, so as to perform beam reduction on the light reflected from the prism assembly 20, thereby facilitating magnification imaging.
Optionally, the focal power of the first cemented lens 31 is negative, the first cemented lens 31 includes a second lens 311 and a third lens 312, the second lens 311 is a convex meniscus lens with positive focal power, and the convex surface faces the reflecting mirror 40, the third lens 312 is a concave meniscus lens with negative focal power, and the convex surface faces the reflecting mirror 40, the concave surface of the second lens 311 is cemented with the convex surface of the third lens 312.
In this embodiment, after the concave surface of the second lens 311 is cemented with the convex surface of the third lens 312, the second lens 311 is cemented with the third lens 312 more tightly, which is beneficial to realize the light condensation of the reflected light.
Optionally, the relay structure 30 further includes a fourth lens 32 and a second glue mirror 33, the second glue mirror 33 is located on a side of the prism assembly 20 close to the reflecting mirror 40, and the fourth lens 32 is disposed between the first glue mirror 31 and the second glue mirror 33.
In this embodiment, the light reflected from the roof-ridge reflector structure passes through the first cemented mirror 31, the fourth lens 32, the second cemented mirror 33, the prism assembly 20, and the first lens 34, and then is focused clearly.
In this embodiment, fourth lens element 32 is the biconvex lens, and is to seeing through first cemented lens 31 light carries out spotlight, and the more clear formation of image of being convenient for, and be favorable to unanimous with the orientation of placing of formation of image direction and object, accord with the daily use habit of user more, also play the effect that myopia was prevented and was controlled under the condition of avoiding the low-head observation.
Alternatively, the fourth lens element 32 is a biconvex lens, and has positive optical power, and the fourth lens element 32 is a convex surface with a large curvature toward the image side.
In this embodiment, the fourth lens 32 is a biconvex lens, and collects light transmitted through the first cemented lens 31.
Optionally, the focal power of the second cemented lens 33 is negative, the second cemented lens 33 includes a fifth lens 332 and a sixth lens 331, the fifth lens 332 is a double-convex lens with positive focal power, and a surface with a large convex curvature faces the reflecting mirror 40, the sixth lens 331 is a double-concave lens with negative focal power, and a surface with a small concave curvature faces the reflecting mirror 40, and a surface with a small convex curvature of the fifth lens 332 is cemented with a small concave curvature of the sixth lens 331.
In this embodiment, the power of the second cemented lens 33 is negative, and the surface of the fifth lens 332 with large convex curvature faces the second lens 311.
Optionally, the convex surface with large curvature of the fourth lens 32 is opposite to the convex surface with large curvature of the fifth lens 332, and the concave surface with large curvature of the sixth lens 331 is opposite to the prism assembly 20.
In this embodiment, the convex surface with the large curvature of the fourth lens element 32 is opposite to the convex surface with the large curvature of the fifth lens element 332, so that the light rays are converged from the fourth lens element 32 and pass through the fifth lens element 332.
In this embodiment, the prism assembly 20 includes a first prism piece 21 and a second prism piece 22, the first prism piece 21 and the second prism piece 22 are glued, the first prism piece 21 and the second prism piece 22 are hollow structures, the first prism piece 21 is internally provided with a reflecting mirror surface, an included angle exists between the mirror surfaces, the included angle can be forty-five degrees or one hundred thirty-five degrees or two hundred twenty-fifteen degrees, the second prism piece 22 is internally provided with a reflecting mirror surface, an included angle exists between the mirror surfaces, the included angle can be forty-five degrees or one hundred thirty-five degrees or two hundred twenty-fifteen degrees, and further the light entering the first prism piece 21 or the second prism piece 22 can be vertically reflected, so that the first prism piece 21 and the second prism piece 22 realize binocular light splitting of the binocular light entering the prism assembly 20, and when a user observes, the user can observe images, and the binocular light splitting of the binocular light entering the prism assembly is consistent with the observation of the user.
In this embodiment, the light inlet and outlet of the first prism part 21 and the light inlet and outlet of the second prism part 22 are both lenses, which is convenient for light projection.
In this embodiment, the bonding surface of the second prism piece 22 and the first prism piece 21 is plated with a light splitting film, when light enters through the light inlet of the second prism piece 22, the light passes through the bonding surface of the second prism piece 22 and the first prism piece 21, and is refracted and reflected, and after being reflected by the bonding surface, the light continues to be reflected in the second prism piece 22, so that the light direction can be consistent with the article placing direction, and the eyepiece assembly 10 is conveniently enlarged, and after being refracted by the bonding surface, the light enters the first prism piece 21 and is reflected by the reflecting mirror surface in the first prism piece 21, so that the light path direction after light splitting is adjusted, and the observation habit of a user is conveniently met.
The present invention further provides a myopia prevention and control device, which includes the myopia prevention and control structure 100, the specific structure of the myopia prevention and control structure 100 refers to the above embodiments, and the myopia prevention and control device adopts all technical solutions of all the above embodiments, so that the myopia prevention and control device at least has all the beneficial effects brought by the technical solutions of the above embodiments, and details are not repeated here.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A myopia prevention and control structure, comprising:
the imaging assembly comprises at least two reflectors and a relay structure, the two reflectors are connected in an included angle, the two reflectors are connected to form the included angle and are used for facing an object to be imaged and being obliquely arranged towards the object to be imaged, and the relay structure is arranged towards a reflecting surface of the reflectors and is used for accumulating light paths reflected by the reflectors into light paths of the relay structure;
the prism assembly is arranged in a light path formed by the relay structure so as to disperse the light path into at least two paths; and
and the plurality of eyepiece components are arranged on one side of the prism component, which is deviated from the relay structure, are positioned on the same horizontal plane with the prism component and are used for magnified imaging.
2. The myopia prevention and control structure of claim 1, wherein the relay structure is horizontally disposed on one side of the reflecting surface of the mirror for keeping the imaging direction in agreement with the object position direction.
3. The myopia prevention and control structure of claim 1, wherein the relay structure comprises a plurality of first lenses and a first glue, the prism assembly is located between the first lenses and the first glue, a plurality of the first lenses are disposed on a side of the prism assembly away from the lens assembly, one of the first lenses is located on one beam splitting path of the prism assembly, and the first glue is located between the prism assembly and the reflecting surface of the reflector for collecting the light path reflected by the reflector.
4. The myopia prevention and control structure of claim 3, wherein the first lens is a plano-convex lens with a positive optical power, the first lens is disposed between the prism assembly and the eyepiece assembly, and the first lens is convex toward the eyepiece assembly.
5. The myopia prevention and control structure of claim 3, wherein the first cemented lens power is negative, the first cemented lens comprises a second lens and a third lens, the second lens is a meniscus convex lens with positive power and with a convex surface facing the reflector, the third lens is a meniscus concave lens with negative power and with a convex surface facing the reflector, and the concave surface of the second lens is cemented with the convex surface of the third lens.
6. A myopia prevention and control structure according to claim 5, wherein the relay structure further comprises a fourth lens and a second glue located on the side of the prism assembly adjacent the mirror, the fourth lens being disposed between the first glue and the second glue.
7. The myopia prevention and control structure of claim 5, wherein the fourth lens element is a biconvex lens element having a positive optical power, and the fourth lens element has a convex surface with a large curvature toward the image side.
8. The myopia prevention and control structure of claim 5, wherein the second cemented lens power is negative, the second cemented lens comprises a fifth lens and a sixth lens, the fifth lens is a biconvex lens with positive power and a convex surface with a large curvature facing the reflector, the sixth lens is a biconcave lens with negative power and a concave surface with a small curvature facing the reflector, and the convex surface with a small curvature of the fifth lens is cemented with the concave surface of the sixth lens.
9. The myopia prevention and control structure of claim 8, wherein the convex surface of the fourth lens with the larger curvature faces the convex surface of the fifth lens with the larger curvature, and the concave surface of the sixth lens with the larger curvature faces the prism assembly.
10. A myopia prevention and control device comprising a myopia prevention and control structure according to any one of claims 1 to 9.
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| CN202210815863.9A CN115220238A (en) | 2022-07-12 | 2022-07-12 | Myopia prevention and control structure and myopia prevention and control equipment |
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| CN202210815863.9A CN115220238A (en) | 2022-07-12 | 2022-07-12 | Myopia prevention and control structure and myopia prevention and control equipment |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020003656A1 (en) * | 1996-02-15 | 2002-01-10 | Kenichi Kimura | Reflecting optical system |
| US20070035825A1 (en) * | 2005-08-08 | 2007-02-15 | Pentax Corporation | Magnifying binoculars |
| CN1957269A (en) * | 2004-05-17 | 2007-05-02 | 株式会社尼康 | Optical elements and combiner optical systems and image-display units |
| CN107843988A (en) * | 2012-04-05 | 2018-03-27 | 奇跃公司 | With the equipment for optical perspective head-mounted display mutually blocked with opacity control ability |
| CN112461760A (en) * | 2017-03-07 | 2021-03-09 | 伊鲁米那股份有限公司 | System and method for improved focus tracking using light source configuration |
-
2022
- 2022-07-12 CN CN202210815863.9A patent/CN115220238A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020003656A1 (en) * | 1996-02-15 | 2002-01-10 | Kenichi Kimura | Reflecting optical system |
| CN1957269A (en) * | 2004-05-17 | 2007-05-02 | 株式会社尼康 | Optical elements and combiner optical systems and image-display units |
| US20070035825A1 (en) * | 2005-08-08 | 2007-02-15 | Pentax Corporation | Magnifying binoculars |
| CN107843988A (en) * | 2012-04-05 | 2018-03-27 | 奇跃公司 | With the equipment for optical perspective head-mounted display mutually blocked with opacity control ability |
| CN112461760A (en) * | 2017-03-07 | 2021-03-09 | 伊鲁米那股份有限公司 | System and method for improved focus tracking using light source configuration |
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