CN111929896A - VR glasses with adjustable screen - Google Patents
VR glasses with adjustable screen Download PDFInfo
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- CN111929896A CN111929896A CN202010727417.3A CN202010727417A CN111929896A CN 111929896 A CN111929896 A CN 111929896A CN 202010727417 A CN202010727417 A CN 202010727417A CN 111929896 A CN111929896 A CN 111929896A
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- 239000011521 glass Substances 0.000 title claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 230000033001 locomotion Effects 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 238000006073 displacement reaction Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 description 20
- 208000001491 myopia Diseases 0.000 description 13
- 210000003205 muscle Anatomy 0.000 description 10
- 230000004379 myopia Effects 0.000 description 10
- 230000001886 ciliary effect Effects 0.000 description 9
- 230000004436 pseudomyopia Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000003464 asthenopia Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 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
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0176—Head mounted characterised by mechanical features
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H5/00—Exercisers for the eyes
- A61H5/005—Exercisers for training the stereoscopic view
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2205/00—Devices for specific parts of the body
- A61H2205/02—Head
- A61H2205/022—Face
- A61H2205/024—Eyes
-
- 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
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B2027/0178—Eyeglass type
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- Health & Medical Sciences (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
The application discloses VR glasses with adjustable screen includes: the screen adjusting mechanism is arranged in the shell and comprises a screen moving frame, a guide rod and a motor, the guide rod is fixedly arranged in the shell, the screen moving frame is arranged on the guide rod in a front-back sliding mode, the motor is fixed in the shell, the output end of the motor is connected with the screen moving frame through a transmission mechanism, the transmission mechanism converts the rotary motion of the motor into linear motion, and the screen is fixedly arranged on the front side of the screen moving frame; the controller is connected with the motor and is used for controlling the screen to move back and forth along the guide rod within a preset time period through the screen moving frame.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to VR glasses with an adjustable screen.
Background
Virtual reality head-mounted display equipment, referred to as VR glasses for short, is a product which utilizes various technical sets such as simulation technology and computer graphics man-machine interface technology multimedia technology sensing technology network technology and the like, and is a brand-new man-machine interaction means created by means of computers and latest sensor technology. The VR glasses can give the user the experience of three-dimensional sense, and can also train ciliary muscles of the user, thereby having the effects of preventing myopia and treating pseudomyopia. However, when VR is used to train myopia, the distance between the lens and the screen is fixed during viewing, so that ciliary muscles cannot be pulled continuously, and the effect of preventing and treating pseudomyopia is poor.
Disclosure of Invention
The technical problem to be solved by the embodiment of the application is how to improve the effect of VR glasses in preventing myopia and treating pseudomyopia.
In order to solve the above problem, an embodiment of the present application provides a VR glasses with adjustable screen, including: the screen adjusting mechanism is arranged in the shell and comprises a screen moving frame, a guide rod and a motor, the guide rod is fixedly arranged in the shell, the screen moving frame can be arranged on the guide rod in a front-back sliding mode, the motor is fixed in the shell, the output end of the motor is connected with the screen moving frame through a transmission mechanism, the transmission mechanism converts the rotary motion of the motor into linear motion, and the screen is fixedly arranged on the front side of the screen moving frame;
the controller is connected with the motor and used for controlling the screen to move back and forth along the guide rod within a preset time period through the screen moving frame.
Further, the controller is further configured to adjust a moving distance of the screen moving frame on the guide bar according to the user information.
Further, the moving distance includes a plurality of displacement intervals, and the controller is further configured to adjust a moving rate of the screen moving frame in each displacement interval according to the user information.
Further, the controller is further configured to detect whether the screen moving frame moves to an interval endpoint of the displacement interval, and control the screen moving frame to stay at the interval endpoint for a corresponding time length according to a staying time length of the interval endpoint corresponding to the user information when the screen moving frame moves to the interval endpoint.
Furthermore, a plug board is fixedly arranged on the transmission mechanism, the transmission mechanism is connected with the screen moving frame through the plug board, and the screen moving frame is connected with the plug board in an inserting manner.
Furthermore, the screen moving frame is provided with a jack for the insertion plate to be inserted.
Furthermore, a limiting plate is arranged inside the shell, a first travel switch for controlling the starting and stopping of the motor is arranged at the front end of the limiting plate, and a second travel switch for controlling the starting and stopping of the motor is arranged at the rear end of the limiting plate; the first travel switch and the second travel switch are connected with the controller.
Furthermore, the screen moving frame is provided with a first guide hole matched with the guide rod, and the guide rod is sleeved with the first guide hole in a sliding mode.
Furthermore, a second guide hole corresponding to the first guide hole is formed in the screen, and the second guide hole is slidably sleeved on the guide rod.
Furthermore, the transmission mechanism is a screw nut pair or a gear rack.
Compared with the prior art, this embodiment is followed through controller control screen in predetermineeing the period guide bar round trip movement for the user ciliary muscle can link up the pulling along the removal of screen when using, and then improves the effect that VR glasses prevent near-sighted and treat pseudomyopia, and through the design of screen adjustment mechanism, the guide bar has ensured that the screen can move steadily horizontally, can make the stable controllable back-and-forth movement of screen, prevents that the screen from taking place resonance or controlling the displacement at the removal in-process, guarantees that the screen is in the best effect of seeing the shadow all the time.
Drawings
FIG. 1 is a schematic diagram of a partial structure of VR glasses with a movable screen according to an embodiment;
FIG. 2 is a schematic diagram of an embodiment of a VR glasses with a movable screen;
FIG. 3 is a schematic diagram of a screen adjustment mechanism according to an embodiment;
FIG. 4 is a schematic diagram of a partial structure of VR glasses with a movable screen according to another embodiment;
fig. 5 is a schematic structural diagram of a limiting plate according to an embodiment.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.
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.
The existing VR glasses not only can provide the user with stereoscopic experience, but also can train ciliary muscles of the user, thereby having the effects of preventing and treating pseudomyopia. However, when VR is used to train myopia, the distance between the lens and the screen is fixed during viewing, so that ciliary muscles cannot be pulled continuously, and the effect of preventing and treating pseudomyopia is poor. Although there is the position through adjusting lens among the prior art to improve the training effect, when lens distance user's eyes was far away, can lead to VR formation of image in front of the retina to myopic user, lead to myopic user can't be fine see the shadow, when lead to the user experience effect poor, treatment is also not good.
To solve the above problems, as shown in fig. 1-3, the structure of a screen-adjustable VR glasses is schematically illustrated, which includes a controller (not shown), a housing 1, and a screen 2 and a lens 3 disposed in the housing 1, and a screen adjusting mechanism, the housing 1 is symmetrically provided with two lens holes 4 at a front side, the lenses 3 are disposed in the two lens holes 4, the screen adjusting mechanism is disposed in the housing 1, the screen adjusting mechanism includes a screen moving frame 5, a guide rod 6 and a motor 7, the guide rod 6 is fixedly disposed in the housing 1, the screen moving frame 5 is slidably disposed on the guide rod 6 back and forth, the motor 7 is fixedly disposed in the housing 1, an output end of the motor 7 is connected to the screen moving frame 5 through a transmission mechanism 8, the transmission mechanism 8 converts a rotational motion of the motor 7 into a linear motion, the screen 2 is fixedly arranged at the front side of the screen moving frame 5. The controller is connected with the motor 7 and is used for controlling the screen 2 to move back and forth along the guide rod 6 in a preset time period through the screen moving frame 5. The preset time interval is the time interval in which the user needs to train ciliary muscles, and can be set according to the user needs, and similarly, the number of times of the back-and-forth movement of the screen 2 can also be set according to the user needs. For comprehensive treatment effect and user experience, eye fatigue of the user is avoided, poor treatment effect caused by fast screen movement is avoided, and the preset time period can be 12 minutes. The controller controls the screen 2 to move 18 times back and forth on the guide bar 6 in 12 minutes.
According to the embodiment, the screen is controlled to move back and forth along the guide rod within the preset time period through the controller, so that ciliary muscles of a user can be continuously pulled along with the movement of the screen when the screen is used, the myopia prevention and pseudomyopia treatment effects of VR glasses are further improved, the guide rod ensures that the screen can move horizontally and stably through the design of the screen adjusting mechanism, the screen can move back and forth stably and controllably, resonance or left and right displacement of the screen in the moving process is prevented, and the screen is guaranteed to be in the best shadow watching effect all the time.
In one embodiment, the controller is further configured to acquire user information sent by the terminal, and adjust a moving distance of the screen moving frame 5 on the guide bar 6 according to the user information. Wherein, the user information received through the terminal includes one or more of age, sex, correction eyesight and near-sighted diopter, matches with the preset corresponding rule in the controller according to the received combined information or single information, thereby adjusting the output power flowing to the motor 7, and further adjusting the moving distance of the screen moving frame 5 on the guide bar 6. As the myopic diopter is a main standard for evaluating the current treatment requirement of the user, in order to improve the treatment effect, as a preferred example, the user information is the myopic diopter, and the preset rule is that when the myopic diopter is less than 200 degrees, the one-way movement distance of the screen moving frame 5 on the guide rod is 20 mm; when the myopic diopter is more than or equal to 200 degrees or less than 400 degrees, the one-time one-way movement distance of the screen moving frame 5 on the guide rod is 15 mm; when the myopic diopter is more than or equal to 400 degrees or less than 600 degrees, the one-time one-way movement distance of the screen moving frame 5 on the guide rod is 10 mm; when the myopic diopter is more than or equal to 600 degrees, the one-time one-way movement distance of the screen moving frame 5 on the guide rod is 5 mm. It should be noted that the moving distance can be adjusted according to the user's needs, and different user information can be adjusted to different moving distances or to the same moving distance.
As another preferable example of the present embodiment, the user information further includes a user name. The name of the user and the myopia diopter of the user are obtained during each treatment, so that the change condition of the myopia diopter of the user during each treatment is determined, the treatment effect is judged, and further feedback adjustment can be performed according to the treatment effect. The user information can be acquired by printing the two-dimensional code on the surface of the device main body 1, and after the user fills in the relevant user information by scanning the two-dimensional code, the user information is sent to the controller through the Bluetooth module carried on the controller.
In one embodiment, the moving distance includes a plurality of displacement intervals, and the controller is further configured to adjust a moving speed of the screen moving frame 5 within each displacement interval according to the user information. Taking the user information as the myopia diopter as an example, the moving distance is 20mm, the displacement interval comprises 6 sections, and the first section range is 0-6 mm; the second section ranges from 6mm to 12 mm. The third section ranges from 12mm to 16 mm. The fourth section ranges from 16mm to 18 mm. The fifth section ranges from 18mm to 19 mm. The sixth section ranges from 19mm to 20 mm. When the myopia diopter is less than 200 degrees, the screen starts to move from the second section and moves back and forth from the second section to the sixth section, and the moving time length of each section of displacement interval is 4 s; when the myopic diopter is between 200 and 400 degrees, the screen moves from the first segment, the moving time length of the first segment is 2s, the moving time length of the second segment to the fifth segment is 4s, and the moving time length of the sixth segment is 2 s; when the myopia diopter is 400-600 degrees, the screen moves back and forth in the first section to the fifth section, the moving time length in the first section is 2s, and the moving time length in the second section to the fifth section is 4 s; when the near vision diopter is larger than 600 degrees, the screen moves back and forth in the first segment to the fifth segment, the moving time length in the first segment and the second segment is 5s, the moving time length in the third segment is 3s, and the moving time length in the fourth segment to the fifth segment is 3 s.
By means of the segmented movement and the mode of determining the moving time length of each segment according to user information, the change of the object distance and the image distance in each segment is closer to a linear relation, the visual distance is simulated to be gradually far or near instead of jumping too much, and therefore ciliary muscles can be pulled continuously along with a screen, and the treatment effect is further improved.
In an embodiment, the controller is further configured to detect whether the screen moving frame moves to an interval endpoint of the displacement interval, and control the screen moving frame to stay at the interval endpoint for a corresponding duration according to a stay duration of the interval endpoint corresponding to the user information when the screen moving frame moves to the interval endpoint. For example, when the screen runs to 6mm, the screen stays for 1s, and the specific stay time can be set according to the needs of the user. Through the combination of the moving mode and the staying mode, the ciliary muscle can stay at each section more slowly and arouse muscle memory as much as possible, and the effect is better.
In one embodiment, the transmission mechanism 8 is fixedly provided with an inserting plate 9, the transmission mechanism 8 is connected with the screen moving frame 5 through the inserting plate 9, the screen moving frame 5 is connected with the inserting plate 9 in an inserting manner, and the screen moving frame 5 is provided with an inserting hole for the inserting plate 9 to insert; specifically, the transmission mechanism 8 is a screw nut pair or a rack and pinion. From this, can make screen adjustment mechanism's structure more reasonable, make the removal of screen 2 more reliable and more stable.
In one embodiment, the screen moving frame 5 is provided with a first guide hole 10 matched with the guide rod 6, and the first guide hole 10 is slidably sleeved on the guide rod 6; a second guide hole 11 corresponding to the first guide hole 10 is arranged on the screen 2, and the second guide hole 11 is slidably sleeved on the guide rod 6; the first guide hole 10 is coaxially disposed with the second guide hole 11. From this, can ensure that screen removal frame 5 and screen 2 can steadily move back-and-forth on guide bar 6 simultaneously steadily, improve the stability of screen 2, ensure that the sight shadow effect of screen 2 is good, improve user's experience sense.
In one embodiment, in order to fix the screen 2 on the screen moving frame 5 more firmly, the screen 2 and the screen moving frame 5 are fixedly connected by bolts.
In an embodiment, be equipped with sealing washer 12 on lens 3, from this, can ensure lens 3's sealed effect, prevent effectively that aqueous vapor or dust from entering into the inside to the VR glasses from lens 3 department, avoid aqueous vapor or dust to influence the result of use of VR glasses, prolong the life of VR glasses.
In an embodiment, as shown in fig. 4-5, a limiting plate 13 is arranged inside the housing 1, a first travel switch 14 for controlling the start and stop of the motor is arranged at the front end of the limiting plate, and a second travel switch 15 for controlling the start and stop of the motor 7 is arranged at the rear end of the limiting plate 13; the first travel switch 14 and the second travel switch 15 are connected to the controller.
When the first travel switch 14 senses that the screen 2 moves to the front end inside the shell 1, the first travel switch 14 transmits data to the controller, and the controller controls the motor 7 to be turned off, so that the screen 2 is prevented from continuously moving and colliding with the front end inside the shell 1 to cause damage; when the second travel switch 15 senses that the screen 2 moves to the rear end inside the shell 1, the second travel switch 15 transmits data to the controller, and the controller controls the motor 7 to be turned off, so that the screen 2 is prevented from continuously moving and colliding with the rear end inside the shell 1 to cause damage; the structure of the screen adjusting mechanism is more reasonable, the movement of the screen 2 is more stable and reliable, and the service life can be prolonged.
In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally found in use of products of the application, and are used only for convenience in describing the present application and for simplification of description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The foregoing is a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations are also regarded as the protection scope of the present application.
Claims (10)
1. A screen-adjustable VR glasses comprising: the screen adjusting mechanism is arranged in the shell and comprises a screen moving frame, a guide rod and a motor, the guide rod is fixedly arranged in the shell, the screen moving frame can be arranged on the guide rod in a front-back sliding mode, the motor is fixed in the shell, the output end of the motor is connected with the screen moving frame through a transmission mechanism, the transmission mechanism converts the rotary motion of the motor into linear motion, and the screen is fixedly arranged on the front side of the screen moving frame;
the controller is connected with the motor and used for controlling the screen to move back and forth along the guide rod within a preset time period through the screen moving frame.
2. The screen-adjustable VR glasses of claim 1 wherein the controller is further configured to obtain user information sent by a terminal, and adjust a moving distance of the screen moving frame on the guide bar according to the user information.
3. The screen-adjustable VR glasses of claim 2, wherein the movement distance includes a plurality of displacement intervals, and the controller is further configured to adjust a rate of movement of the screen moving frame within each of the displacement intervals based on the user information.
4. The screen-adjustable VR glasses of claim 3, wherein the controller is further configured to detect whether the screen moving frame moves to an interval endpoint of the displacement interval, and to control the screen moving frame to stay at the interval endpoint for a corresponding duration according to a staying duration of the interval endpoint corresponding to the user information when the screen moving frame moves to the interval endpoint.
5. The screen-adjustable VR glasses of claim 1 wherein the transmission mechanism is fixedly provided with an insert plate, the transmission mechanism is connected with the screen moving frame through the insert plate, and the screen moving frame is connected with the insert plate in an inserting manner.
6. The screen-adjustable VR glasses of claim 5 wherein the screen moving frame is provided with a jack into which the plugboard is inserted.
7. The screen-adjustable VR glasses of claim 1, wherein a limiting plate is arranged inside the housing, a first travel switch for controlling the motor to start and stop is arranged at the front end of the limiting plate, and a second travel switch for controlling the motor to start and stop is arranged at the rear end of the limiting plate; the first travel switch and the second travel switch are connected with the controller.
8. The screen-adjustable VR glasses of claim 1 wherein the screen moving frame is provided with a first guide hole matching with the guide rod, and the first guide hole is slidably sleeved on the guide rod.
9. The screen-adjustable VR glasses of claim 8 wherein the screen has a second guide hole corresponding to the first guide hole, the second guide hole slidably fitting over the guide rod.
10. The screen-adjustable VR glasses of claim 1 wherein the transmission is a screw nut pair or a rack and pinion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010727417.3A CN111929896B (en) | 2020-07-24 | 2020-07-24 | VR glasses with adjustable screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010727417.3A CN111929896B (en) | 2020-07-24 | 2020-07-24 | VR glasses with adjustable screen |
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| CN111929896A true CN111929896A (en) | 2020-11-13 |
| CN111929896B CN111929896B (en) | 2023-03-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112630968A (en) * | 2020-12-24 | 2021-04-09 | 乐安蜜蜂教育科技有限公司 | VR myopia appearance mechanical type positioning mechanism |
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