CN107526173B - VR glasses - Google Patents
VR glasses Download PDFInfo
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- CN107526173B CN107526173B CN201710825667.9A CN201710825667A CN107526173B CN 107526173 B CN107526173 B CN 107526173B CN 201710825667 A CN201710825667 A CN 201710825667A CN 107526173 B CN107526173 B CN 107526173B
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- magnet
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- guide rail
- spring
- motor device
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- 239000011521 glass Substances 0.000 title claims abstract description 21
- 230000000903 blocking effect Effects 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000015654 memory Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 208000001491 myopia Diseases 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004379 myopia Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 208000018997 giddiness Diseases 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
Abstract
The application provides VR glasses, which comprises: first casing, second casing and third casing, the second casing is located between first casing and the third casing, its characterized in that, VR glasses still include: at least one guide rail, at least one spring, at least one motor device, wherein: one end of the guide rail is coupled with the third shell, so that the second shell is displaced relative to the third shell through the guide rail; the spring is positioned between the first shell and the second shell; the motor device is located between the second shell and the third shell, two ends of the motor device are respectively connected with the second shell and the third shell in a coupling mode, when the motor device is electrified, pulling force towards the third shell is generated on the second shell, the second shell is enabled to move towards the third shell along the guide rail, and meanwhile acting force generated by the spring interacts with the acting force generated by the spring.
Description
Technical Field
The application relates to the field of intelligent equipment, in particular to VR glasses.
Background
The application discloses a head-mounted display and a method for adjusting refraction thereof. The head mounted display includes a VCM (voice coil motor) and an actuator assembly. The distance between the VR eye lens and the real screen is controlled through the VCM, so that near vision diopter adjustment is realized. VCM (Voice Coil Motor), the voice coil motor in electronics is one type of motor. Because the principle is similar to that of a loudspeaker, the voice coil motor has the characteristics of high frequency response and high precision. The main principle is that the stretching position of the spring piece is controlled by changing the direct current of the coil in the motor in a permanent magnetic field, so as to drive the spring piece to move up and down.
Some of the existing VR devices have no function of myopic diopter adjustment, and some of the existing VR devices adopt traditional mechanical structure transmission to achieve myopic diopter adjustment. The traditional mechanical structure transmission generally needs knob control, and finally achieves the effect of transmission adjustment of myopia diopter through engagement of the knob with a series of gears and screws. Because the display screen of VR equipment is very near to people's eyes, if myopia diopter adjustment exists the error then VR equipment appears giddiness etc. and seriously influences the effect of experience easily. VCM has the characteristics of high frequency response and high accuracy.
Disclosure of Invention
In order to overcome the technical defects, the application aims to provide VR glasses.
The application discloses VR glasses, which comprise: first casing, second casing and third casing, the second casing is located between first casing and the third casing, its characterized in that, VR glasses still include: at least one guide rail, at least one spring, at least one motor device and at least one current control module, wherein:
one end of the guide rail is coupled with the third shell, at least one guide rail hole corresponding to the guide rail is formed in the second shell, a protruding part facing the third shell is arranged around the guide rail hole, a guide rail channel is formed by the protruding part and the guide rail hole, the guide rail passes through the second shell through the guide rail channel, and the second shell is enabled to move relative to the third shell along the guide rail channel through the guide rail;
the spring is positioned between the first shell and the second shell, and two ends of the spring are respectively coupled with the first shell and the second shell and are used for generating an acting force opposite to the displacement direction when the second shell is displaced relative to the first shell;
the motor device is positioned between the second shell and the third shell, two ends of the motor device are respectively coupled with the second shell and the third shell, when the motor device is electrified, a pulling force towards the third shell is generated on the second shell, so that the second shell is displaced towards the third shell along the guide rail, and meanwhile, the acting force generated by the spring is interacted;
the current controller is arranged on one side of the motor device, is electrically connected with the motor device and is used for controlling the magnitude of current for switching on the motor device.
Preferably, the motor device includes a coil and first, second, third and fourth magnets surrounding the coil, wherein:
the coil is coupled with the second shell, and the first magnet, the second magnet, the third magnet and the fourth magnet are coupled with the third shell;
the first magnet and the second magnet are adjacently arranged and have the same polarity, and the third magnet and the fourth magnet are adjacently arranged and have the same polarity and are opposite to the first magnet and the second magnet;
when the coil is electrified, a pulling force between the second shell and the third shell is generated in a magnetic field formed by the coil, the first magnet, the second magnet, the third magnet and the fourth magnet.
Preferably, the first magnet, the second magnet, the three magnets, and the fourth magnet have the same shape.
Preferably, wherein: the guide rail channel protrudes towards one side of the first shell to form a fixing part surrounding the guide rail hole, and the fixing part is used for enabling the spring to be connected to the fixing part in a sleeved mode.
Preferably, wherein: and a blocking part is arranged at one end, which is opposite to the end connected with the third shell, of the guide rail, and the diameter of the blocking part is wider than that of the guide rail hole and is used for preventing the second shell from sliding out of the guide rail after displacement.
Preferably, wherein: the inner diameters of the springs are the same and are larger than the diameter of the blocking portion of the guide rail.
Preferably, the coil is connected to the outer surface of the protruding portion in a sleeved mode, so that the spring, the guide rail and the coil are located on the same axis, and the axis is perpendicular to the first shell, the second shell and the third shell.
Preferably, wherein: the number of the guide rail, the spring and the motor device is four, and the guide rail, the spring and the motor device are positioned at the corners of the shell.
Preferably, the third housing includes a long side and a short side, the first magnet and the second magnet are respectively close to the long side and the short side, and the polarities of the first magnet and the second magnet are N poles; and after the coil is electrified, a counterclockwise current is formed, so that a pulling force for enabling the second shell to move towards the third shell along the guide rail channel through the guide rail is generated in a magnetic field formed by the first magnet, the second magnet, the three magnets and the fourth magnet.
Preferably, the third housing includes a long side and a short side, the first magnet and the second magnet are respectively close to the long side and the short side, and the polarities of the first magnet and the second magnet are S poles; and after the coil is electrified, a clockwise current is formed, so that a pulling force for enabling the second shell to move towards the third shell along the guide rail channel through the guide rail is generated in a magnetic field formed by the first magnet, the second magnet, the third magnet and the fourth magnet.
After the technical scheme is adopted, compared with the prior art, the method has the following beneficial effects:
1. the main principle is that in a permanent magnetic field, the stretching position of a spring piece is controlled by changing the direct current of a coil in a motor, so as to drive the spring piece to move up and down;
VCM has high frequency response, high accuracy's characteristics.
Drawings
FIG. 1 is a schematic view of a preferred embodiment of the present application;
FIG. 2 is a schematic view of a preferred embodiment of the present application;
FIG. 3 is a schematic view of a preferred embodiment of the present application;
reference numerals:
1-first housing
2-second shell
3-third shell
4-spring
5-guide rail
6-protrusion
7-fixing part
8-Barrier
9-first magnet
10-third magnet
11-coil:
Detailed Description
Advantages of the application are further illustrated in the following description, taken in conjunction with the accompanying drawings and detailed description.
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present disclosure as detailed in the accompanying claims.
It should be understood that although the terms first, second, third, etc. may be used in this disclosure to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. The word "if" as used herein may be interpreted as "at … …" or "at … …" or "responsive to a determination", depending on the context.
In the description of the present application, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
Referring to fig. 1-3, a schematic structural diagram of a preferred embodiment of the present application is shown:
the embodiment of the application discloses VR glasses, which comprises: first casing 1, second casing 2 and third casing 3, this second casing 2 is located between this first casing 1 and the third casing 3, its characterized in that, this VR glasses still include: at least one guide rail 5, at least one spring 4, at least one motor device and at least one current control module (not shown), wherein:
one end of the guide rail 5 is coupled with the third housing 3, at least one guide rail 5 hole corresponding to the guide rail 5 is arranged on the second housing 2, a protruding part 6 facing the third housing 3 is arranged around the guide rail 5 hole, the protruding part 6 and the guide rail 5 hole form a guide rail channel, the height of the protruding part 6 is consistent, the thickness is consistent, the protruding part 6 is cylindrical, the guide rail channel is a cylinder with a hollow cylinder inside, the outer diameters of the cylinder guide rail channels are the same, the inner diameters of the hollow cylinders inside are the same, the guide rail 5 passes through the guide rail channel and passes through the second housing 2, and the second housing 2 is enabled to move relative to the third housing 3 along the guide rail channel through the guide rail 5. Preferably, the rail 5 is also a cylinder of the same diameter and the diameter of the rail 5 is smaller than the inner diameter of the inner hollow cylinder of the rail channel, so that the rail 5 is displaced relatively easily within the rail channel.
The spring 4 is located between the first housing 1 and the second housing 2, and two ends of the spring 4 are respectively coupled with the first housing 1 and the second housing 2, so that when the second housing 2 is displaced relative to the first housing 1, the spring 4 generates a force opposite to the displacement direction; specifically, when the second housing 2 is displaced away from the first housing 1, the spring 4 is stretched to form a stretching force that acts on the second housing 2 to pull the second housing 2 back toward the first housing 1; when the second housing 2 is displaced close to the first housing 1, the spring 4 is compressed to form a pushing force which acts on the second housing 2 to push the second housing 2 away from the first housing 1.
The motor device is located between the second housing 2 and the third housing 3, two ends of the motor device are respectively coupled with the second housing 2 and the third housing 3, when the motor device is powered on, a pulling force towards the third housing 3 is generated on the second housing 2, so that the second housing 2 moves towards the third housing 3 along the guide rail 5, and meanwhile, the acting force generated by the spring 4 interacts with each other.
The current controller is arranged on one side of the motor device, is electrically connected with the motor device and is used for controlling the magnitude of the current for switching on the motor device.
Specifically, the motor device employs the principle of a motor, and energizes a coil placed in a magnetic field inside the motor to generate electromagnetic force, and the electromagnetic force is applied to the second housing 2. The magnitude of the electromagnetic force is proportional to the magnitude of the current in the coil and the direction of the current, and thus the magnitude of the electromagnetic force and the direction of the current are regulated by controlling the magnitude of the current by the current controller.
Preferably, the motor device comprises a coil 11 and a first magnet 9, a second magnet, a third magnet 10 and a fourth magnet surrounding the periphery of the coil 11, wherein:
the coil 11 is coupled to the second housing 2, and the first magnet 9, the second magnet, the third magnet 10 and the fourth magnet are coupled to the third housing 3;
the first magnet 9 is disposed adjacent to the second magnet and has the same polarity, and the third magnet 10 is disposed adjacent to the fourth magnet and has the same polarity, and has the opposite polarity to the first magnet 9 and the second magnet;
when the coil 11 is energized, a pulling force between the second housing 2 and the third housing 3 is generated in the magnetic fields formed by the first magnet 9, the second magnet, the third magnet 10 and the fourth magnet.
Preferably, the first magnet 9, the second magnet, the third magnet 10 and the fourth magnet have the same shape.
Specifically, the first magnet 9, the second magnet, the third magnet 10 and the fourth magnet are sequentially disposed on the third housing 3, one ends of the first magnet 9, the second magnet, the third magnet 10 and the fourth magnet are coupled to the third housing 3, and the first magnet 9, the second magnet, the third magnet 10 and the fourth magnet have the same shape and are rectangular parallelepiped. The first magnet 9 is located adjacent to the second magnet and has the same polarity, and the third magnet 10 is located adjacent to the fourth magnet and has the same polarity. The coil 11 is similarly cylindrical with the same inner diameter. The first magnet 9, the second magnet, the third magnet 10 and the fourth magnet form a cuboid with a square side surface, the side length of the square side surface is slightly larger than the diameter of the coil 11, the first magnet 9 and the third magnet 10 form a magnetic field opposite to the second magnet and the fourth magnet, and the coil 11 is positioned in the magnetic field.
Preferably, wherein: the guide rail channel protrudes toward one side of the first housing 1 to form a fixing portion 7 surrounding the hole of the guide rail 5, so that the spring 4 is connected to the fixing portion 7 in a sleeved mode.
Specifically, the spring 4 may be, but is not limited to, a circular spring, and the inner diameters of the springs 4 are the same, the guide rail channel protrudes toward one side of the first housing 1 to form a fixing portion 7 surrounding the hole of the guide rail 5, the fixing portion 7 is also cylindrical, and the outer diameter is slightly larger than the inner diameter of the spring 4, so that the spring 4 can be connected to the fixing portion 7 in a sleeved mode, and the spring 4 is prevented from sliding, preferably, a bayonet (not shown) is further arranged at a position where the fixing portion 7 is connected to the spring 4 in a sleeved mode.
Preferably, wherein: the guide rail 5 is provided with a blocking portion 8 at an end opposite to the end connected to the third housing 3, and the blocking portion 8 has a diameter wider than the guide rail 5 hole for preventing the second housing 2 from sliding out of the guide rail 5 after being displaced.
Preferably, wherein: the inner diameter of the spring 4 is the same and is larger than the diameter of the stop 8 of the rail 5.
Specifically, when the second housing 2 is displaced relative to the third housing 3 along the rail passage by the rail 5, a part of the rail 5 is located inside the spring 4, and in order to prevent the rail 5 from sliding out of the rail passage, the rail 5 is provided with a stopper 8 with respect to an end connected to the third housing 3, that is, an end of the rail 5 located at a part of the inside of the spring 4 is provided with the stopper 8, and at the same time, an inner diameter of the spring 4 is larger than a diameter of the stopper 8 of the rail 5 so as not to cause a hindrance to sliding of the rail 5.
Preferably, the coil 11 is connected to the outer surface of the protrusion 6 in a sleeved mode, so that the spring 4, the guide rail 5 and the coil 11 are located on the same axis, and the axis is perpendicular to the first housing 1, the second housing 2 and the third housing 3.
Specifically, the coil 11 is fitted over the outer surface of the protrusion 6 such that the guide rail 5 of the spring 4 and the coil 11 are located on the same axis, that is, the motor means is located on the same axis as the axial direction of the guide rail 5 and the spring 4.
Preferably, wherein: the number of the guide rail 5, the spring 4 and the motor device is four, and the guide rail 5, the spring 4 and the motor device are positioned at the corners of the shell.
Specifically, as shown in fig. 2, the motor device, the guide rail 5 and the spring 4 are installed at four corners of the VR glasses, and the magnitude and the direction of the current entering the motor device are adjusted by the current controller, so as to control the relative movement of the second housing 2, thereby adjusting the visual effect of the VR glasses.
Preferably, the third housing 3 includes a long side and a short side, the first magnet 9 and the second magnet are respectively close to the long side and the short side, and the polarities of the first magnet 9 and the second magnet are N poles; after the coil 11 is energized, a counterclockwise current is formed, so that a pulling force for displacing the second housing 2 toward the third housing 3 along the guide rail channel through the guide rail 5 is generated in the magnetic fields formed by the first magnet 9, the second magnet, the third magnet 10 and the fourth magnet.
Preferably, the third housing 3 includes a long side and a short side, the first magnet 9 and the second magnet are respectively close to the long side and the short side, and the polarities of the first magnet 9 and the second magnet are S-poles; after the coil 11 is energized, a clockwise current is formed, so that a pulling force for displacing the second housing 2 towards the third housing 3 along the guide rail channel through the guide rail 5 is generated in the magnetic fields formed by the first magnet 9, the second magnet, the third magnet 10 and the fourth magnet.
Specifically, as shown in fig. 3, the current level and the current direction of the current entering the motor device are adjusted by the current controller according to the difference of the positions of the magnets of the motor device and the polarities of the magnets. For example, from the front view of the third housing 3, the first magnet 9 and the second magnet are respectively adjacent to the top side and the side of the upper right corner with reference to the motor device of the upper right corner, and the polarities of the first magnet 9 and the second magnet are N poles; after the coil 11 is energized, a counterclockwise current is formed, so that a pulling force for displacing the second housing 2 toward the third housing 3 along the guide rail channel through the guide rail 5 is generated in the magnetic fields formed by the first magnet 9, the second magnet, the third magnet 10 and the fourth magnet.
Or the first magnet 9 and the second magnet are respectively close to the top edge and the side edge of the upper right corner, and the polarities of the first magnet 9 and the second magnet are S poles; after the coil 11 is energized, a clockwise current is formed, so that a pulling force for displacing the second housing 2 towards the third housing 3 along the guide rail channel through the guide rail 5 is generated in the magnetic fields formed by the first magnet 9, the second magnet, the third magnet 10 and the fourth magnet.
A smart device implementing various embodiments of the present application will now be described with reference to the accompanying drawings. In the following description, suffixes such as "module", "component", or "unit" for representing elements are used only for facilitating the description of the present application, and are not of specific significance per se. Thus, "module" and "component" may be used in combination.
In the description of the present application, unless otherwise specified and defined, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, mechanically or electrically coupled, may be in communication with each other between two elements, may be directly or indirectly coupled through intermediaries, and may be construed in a specific manner by those skilled in the art as appropriate.
Those skilled in the art will appreciate that the present application includes apparatuses related to performing one or more of the operations described herein. These devices may be specially designed and constructed for the required purposes, or may comprise well-known devices in general purpose computers. These devices have computer programs stored therein that are selectively activated or reconfigured. Such a computer program may be stored in a device (e.g., a computer) readable medium or any type of medium suitable for storing electronic instructions and respectively coupled to a bus, including, but not limited to, any type of disk (including floppy disks, hard disks, optical disks, CD-ROMs, and magneto-optical disks), ROMs (Read-Only memories), RAMs (Random Access Memory, random access memories), EPROMs (Erasable Programmable Read-Only memories), EEPROMs (Electrically Erasable Programmable Read-Only memories), flash memories, magnetic cards, or optical cards. That is, a readable medium includes any medium that stores or transmits information in a form readable by a device (e.g., a computer).
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
It should be noted that the embodiments of the present application are preferred and not limited in any way, and any person skilled in the art may make use of the above-disclosed technical content to change or modify the same into equivalent effective embodiments without departing from the technical scope of the present application, and any modification or equivalent change and modification of the above-described embodiments according to the technical substance of the present application still falls within the scope of the technical scope of the present application.
Claims (8)
1. A VR glasses, comprising: first casing, second casing and third casing, the second casing is located between first casing and the third casing, its characterized in that, VR glasses still include: at least one guide rail, at least one spring, at least one motor device and at least one current control module, wherein:
one end of the guide rail is coupled with the third shell, at least one guide rail hole corresponding to the guide rail is formed in the second shell, a protruding part facing the third shell is arranged around the guide rail hole, a guide rail channel is formed by the protruding part and the guide rail hole, the guide rail passes through the second shell through the guide rail channel, and the second shell is enabled to move relative to the third shell along the guide rail channel through the guide rail;
the spring is positioned between the first shell and the second shell, and two ends of the spring are respectively coupled with the first shell and the second shell and are used for generating an acting force opposite to the displacement direction when the second shell is displaced relative to the first shell;
the motor device is positioned between the second shell and the third shell, two ends of the motor device are respectively coupled with the second shell and the third shell, when the motor device is electrified, a pulling force towards the third shell is generated on the second shell, so that the second shell is displaced towards the third shell along the guide rail, and meanwhile, the acting force generated by the spring is interacted;
the current control module is arranged on one side of the motor device, is electrically connected with the motor device and is used for controlling the magnitude of current for switching on the motor device;
the motor device comprises a coil, a first magnet, a second magnet, a third magnet and a fourth magnet which surround the periphery of the coil, wherein:
the coil is coupled with the second shell, and the first magnet, the second magnet, the third magnet and the fourth magnet are coupled with the third shell;
the first magnet and the second magnet are adjacently arranged and have the same polarity, and the third magnet and the fourth magnet are adjacently arranged and have the same polarity and are opposite to the first magnet and the second magnet;
when the coil is electrified, a pulling force between the second shell and the third shell is generated in a magnetic field formed by the coil, the first magnet, the second magnet, the third magnet and the fourth magnet;
the guide rail channel protrudes towards one side of the first shell to form a fixing part surrounding the guide rail hole, and the fixing part is used for enabling the spring to be connected to the fixing part in a sleeved mode.
2. The VR glasses of claim 1 wherein the first magnet, the second magnet, the three magnets, and the fourth magnet are identical in shape.
3. The VR glasses of claim 1 wherein: and a blocking part is arranged at one end, which is opposite to the end connected with the third shell, of the guide rail, and the diameter of the blocking part is wider than that of the guide rail hole and is used for preventing the second shell from sliding out of the guide rail after displacement.
4. The VR glasses of claim 3 wherein: the inner diameters of the springs are the same and are larger than the diameter of the blocking portion of the guide rail.
5. The VR glasses of claim 1 wherein the coil is coupled to an outer surface of the protrusion such that the spring, the rail and the coil are on a same axis and the axis is perpendicular to the first housing, the second housing and the third housing.
6. The VR glasses of claim 1 wherein: the number of the guide rail, the spring and the motor device is four, and the guide rail, the spring and the motor device are positioned at the corners of the shell.
7. The VR glasses of claim 1 wherein: the third shell comprises a long side and a short side, the first magnet and the second magnet are respectively close to the long side and the short side, and the polarities of the first magnet and the second magnet are N poles; and after the coil is electrified, a counterclockwise current is formed, so that a pulling force for enabling the second shell to move towards the third shell along the guide rail channel through the guide rail is generated in a magnetic field formed by the first magnet, the second magnet, the third magnet and the fourth magnet.
8. The VR glasses of claim 1 wherein: the third shell comprises a long side and a short side, the first magnet and the second magnet are respectively close to the long side and the short side, and the polarities of the first magnet and the second magnet are S poles; and after the coil is electrified, a clockwise current is formed, so that a pulling force for enabling the second shell to move towards the third shell along the guide rail channel through the guide rail is generated in a magnetic field formed by the first magnet, the second magnet, the third magnet and the fourth magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710825667.9A CN107526173B (en) | 2017-09-14 | 2017-09-14 | VR glasses |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710825667.9A CN107526173B (en) | 2017-09-14 | 2017-09-14 | VR glasses |
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| Publication Number | Publication Date |
|---|---|
| CN107526173A CN107526173A (en) | 2017-12-29 |
| CN107526173B true CN107526173B (en) | 2023-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710825667.9A Active CN107526173B (en) | 2017-09-14 | 2017-09-14 | VR glasses |
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| CN (1) | CN107526173B (en) |
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| CN102879972A (en) * | 2011-07-15 | 2013-01-16 | 三美电机株式会社 | Lens holder driving device including fracture preventing member for suspension wires |
| CN103487940A (en) * | 2013-09-04 | 2014-01-01 | 西安Tcl软件开发有限公司 | Video glasses and method for adjusting focal length of video glasses |
| CN106797426A (en) * | 2014-09-26 | 2017-05-31 | 英特尔公司 | Use the technology of the optical image stabilization of magnetic shape memory actuator |
| CN106970468A (en) * | 2017-05-19 | 2017-07-21 | 安徽建筑大学 | A kind of autofocusing VR helmets |
| CN207611195U (en) * | 2017-09-14 | 2018-07-13 | 北京传嘉科技有限公司 | A kind of VR glasses |
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| CN107526173A (en) | 2017-12-29 |
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