CN111522141A - Head-mounted device - Google Patents
Head-mounted device Download PDFInfo
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- CN111522141A CN111522141A CN202010520551.6A CN202010520551A CN111522141A CN 111522141 A CN111522141 A CN 111522141A CN 202010520551 A CN202010520551 A CN 202010520551A CN 111522141 A CN111522141 A CN 111522141A
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- light
- lens
- window
- lens group
- head
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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
- G02B27/0172—Head mounted characterised by optical features
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Abstract
The invention discloses head-mounted equipment which comprises a shell, wherein an installation cavity is arranged in the shell, and at least one window communicated with the installation cavity is arranged on the shell; the imaging system is arranged in the installation cavity and comprises a display unit and an optical assembly, and light emitted by the display unit is emitted to the window through the optical assembly; the cameras are arranged on the shell or positioned in the installation cavity and are used for collecting environmental information outside the shell; and the processor is connected with the display unit and the camera, and is used for controlling the display unit to display images and controlling the camera to be opened or closed. The head-mounted equipment can realize the switching between the virtual reality scene and the augmented reality scene under the condition that a user does not replace the head-mounted equipment, and improves the use convenience of the head-mounted equipment.
Description
Technical Field
The invention relates to the technical field of optical imaging, in particular to a head-mounted device capable of switching between virtual reality and augmented reality.
Background
In recent years, display technologies have been developed more rapidly, wherein a virtual reality technology and an augmented reality technology are used as brand new technologies, and based on the brand new technologies, virtual and reality can be combined and displayed to a user, so that brand new experience is brought to the user and the user likes the brand new technologies, and therefore, the virtual reality and the augmented reality are applied more and more widely.
Virtual reality technology is a computer simulation system that can create and experience a virtual world, which uses a computer to create a simulated environment into which a user is immersed. In particular a real world, simulated by computer technology.
The augmented reality technology is a technology content that enables integration of real world information and virtual world information content, and particularly a technology that can exist in the same picture and space simultaneously after overlapping between a real environment and a virtual object.
Because the display principles of the virtual reality technology and the augmented reality technology are different, the structure capable of presenting the virtual reality scene and the structure capable of presenting the augmented reality scene are different, and therefore, generally, only the virtual reality scene or the augmented reality scene can be presented singly on one structure. If the user wants to switch between virtual reality scene and augmented reality scene, need take off the back with virtual reality equipment, wear the augmented reality equipment again, if the user frequently switches, then need frequently change between virtual reality equipment and augmented reality equipment and wear, it is extremely inconvenient that the user brings to wear.
Disclosure of Invention
The invention mainly aims to provide a head-mounted device, and aims to solve the technical problem that in the prior art, the device can only singly present a virtual reality scene or an augmented display scene, and when the virtual reality scene and the augmented reality scene are switched, the device needs to be replaced, so that the wearing inconvenience is brought to a user.
To achieve the above object, the present invention provides a head-mounted device, including:
the device comprises a shell, a first fixing device and a second fixing device, wherein a mounting cavity is arranged in the shell, and at least one window communicated with the mounting cavity is arranged on the shell;
the imaging system is arranged in the installation cavity and comprises a display unit and an optical assembly, and light emitted by the display unit is emitted to the window through the optical assembly;
the cameras are arranged on the shell or positioned in the installation cavity and are used for collecting environmental information outside the shell;
and the processor is connected with the display unit and the camera, and is used for controlling the display unit to display images and controlling the camera to be opened or closed.
Optionally, a light-transmitting portion is arranged on the housing, the camera is arranged in the installation cavity, and the light-transmitting portion is located on the light incident side of the camera, so that the camera collects environment information outside the housing through the light-transmitting portion.
Optionally, the optical assembly comprises a first lens group and a second lens group, the first lens group being located between the display unit and the second lens group;
light emitted by the display unit is transmitted to the second lens group after passing through the first lens group, and the light emitted by the second lens group is transmitted to the window, wherein the first lens group is used for adjusting imaging aberration, and the second lens group is used for changing the transmission direction of the light.
Optionally, the second mirror group includes plane reflection lens, semi-transparent semi-reflecting lens and curved surface reflection lens, follows the emergent light of first mirror group is through plane reflection lens reflects extremely semi-transparent semi-reflecting lens, semi-transparent semi-reflecting lens is right plane reflection lens's emergent light reflects the back reflection extremely curved surface reflection lens, curved surface reflection lens is right semi-transparent semi-reflecting lens's reverberation reflects the back emergence extremely semi-transparent semi-reflecting lens, semi-transparent semi-reflecting lens will curved surface reflection lens's emergent light transmission extremely the window.
Optionally, the first lens group includes a first lens, a second lens and a third lens, which are sequentially arranged from the display unit to the second lens group;
the light incident surface and the light emergent surface of the first lens are convex surfaces;
the light incident surface of the second lens is a concave surface, and the light emergent surface of the second lens is a convex surface;
the light incident surface of the third lens is a convex surface, and the light emergent surface of the third lens is a concave surface.
Optionally, the optical assembly further includes a mounting seat, and the first lens group and the second lens group are mounted in the mounting seat.
Optionally, the head-mounted device further includes a light shielding plate and a driving assembly, the light shielding plate is movably disposed in the installation cavity and located at one side of the optical assembly deviating from the window, the driving assembly is connected with the light shielding plate, the driving assembly drives the light shielding plate to move between a first position and a second position, the first position is located on a light path transmission path of the window, and the second position is staggered with the window.
Optionally, the driving assembly comprises an adjusting wheel and a transmission gear, and the transmission gear and the adjusting wheel are coaxially arranged; the shading plate is provided with a rack, the rack is parallel to a connecting line between the first position and the second position, and the transmission gear is meshed and connected with the rack.
Optionally, the head-mounted device further includes a mounting plate, the mounting plate is disposed in the mounting cavity, a light-transmitting hole is formed in the mounting plate, and the light-transmitting hole is located on the transmission path of the window; the light shading plate is movably arranged on the mounting plate, the optical assembly is mounted on one side, facing the window, of the mounting plate, the light transmitting hole, the optical assembly and the window are located on the same straight line, and the light shading plate is located between the light transmitting hole and the optical assembly; the light outside the shell is transmitted to the window through the light transmitting part, the light transmitting hole and the optical assembly in sequence.
Optionally, the camera is mounted on a face of the mounting plate facing away from the window.
According to the embodiment of the invention, the imaging system is arranged on the head-mounted equipment, the virtual reality scene is presented by the imaging system, the camera is also arranged on the head-mounted equipment, the real-scene environment information is acquired by the camera, the augmented reality scene is presented by the real-scene environment information and the virtual scene, and the virtual reality scene and the augmented reality scene can be switched on one head-mounted equipment, so that the user can realize the switching of the two scenes without replacing the head-mounted equipment, and the use convenience of the head-mounted equipment is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of a head-mounted device according to the present invention;
FIG. 2 is a schematic structural view of another perspective of the head-mounted apparatus provided by the present invention;
FIG. 3 is a schematic view of the structure inside the light-transmissive portion of the headgear provided in the present invention;
FIG. 4 is a schematic diagram of the internal structure of the head-mounted device provided by the present invention;
FIG. 5 is a schematic diagram of an optical system of the head-mounted apparatus provided by the present invention;
FIG. 6 is a schematic diagram of the structure of the optical components of the head-mounted device provided by the present invention;
fig. 7 is a schematic view of a connection structure of a light shielding plate and a driving assembly of the head-mounted device provided by the invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
20 | |
| 11 | |
21 | |
| 12 | |
22 | |
| 30 | |
221 | |
| 40 | |
2211 | |
| 50 | |
2212 | |
| 13 | |
2213 | |
| 60 | |
222 | |
| 61 | |
2221 | |
| 70 | |
2222 | Semi-transmitting and semi-reflecting lens |
| 71 | Regulating |
2223 | Curved |
| 72 | |
223 | |
| 73 | Shifting |
2231 | Supporting |
| 80 | |
2232 | Lens |
| 81 | |
2233 | Sealing cylinder |
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 some, not all, embodiments of the present invention. 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, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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 such feature. In addition, technical solutions between various embodiments may be combined with each other, but on the basis of the realization of the technical solutions by a person skilled in the art, when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent, and the technical solutions are not within the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a head-mounted device, which can realize presentation of both a virtual reality scene and an augmented display scene. The user can switch between the virtual reality scene and the augmented reality scene as required.
The head-mounted device includes a housing 10, a processor (not labeled), at least one imaging system 20, and at least one camera 40.
The improved structure of the LED lamp is characterized in that an installation cavity 11 is formed in the shell 10, and at least one window 13 communicated with the installation cavity 11 is formed in the shell 10. Specifically, casing 10 includes front panel and rear panel, the front panel with the rear panel sets up relatively, window 13 sets up on the rear panel, when the head-mounted apparatus was worn, with the human eye of rear panel laminating, the people passes through window 13 can watch the virtual reality scene or the reinforcing display scene that the head-mounted apparatus appears. In order to improve the wearing comfort, the rear panel is provided with a spongy cushion 30, and the spongy cushion 30 is arranged in an arc shape.
The imaging system 20 is installed in the installation cavity 11, the imaging system 20 includes a display unit 21 and an optical assembly 22, and light emitted from the display unit 21 is emitted to the window 13 through the optical assembly 22.
The camera 40 is disposed on the housing 10, or in the installation cavity 11, and is configured to collect real environment information outside the housing 10. For example, the camera 40 is disposed on the housing 10, the camera 40 faces the outside of the housing 10, and the real-time or timed acquisition of the real-time environment information outside the housing 10 can be performed when the camera 40 is opened. Alternatively, the camera 40 may be disposed in the mounting cavity 11 for the sake of beauty and protection of the camera 40. In order to ensure that the real environment information outside the housing 10 can be acquired when the camera 40 is turned on, the housing 10 is provided with the light-transmitting portion 12, and the light-transmitting portion 12 is located on the light incident side of the camera 40, so that the camera 40 can acquire the environment information outside the housing 10 through the light-transmitting portion 12. Specifically, the light-transmitting portion 12 is provided on a front panel of the housing 10, and the camera 40 collects real environment information in front of the head-mounted device through the front panel. In an embodiment, the front panel of the head-mounted device may also be made of a transparent acrylic material, so that the front panel is a transparent panel, and the camera 40 collects real environment information with a larger viewing angle through the transparent panel.
The processor is arranged on a circuit board 50, the circuit board 50 is installed in the installation cavity 11, the processor is connected with the camera 40 and the display unit 21, the processor outputs display data to the display unit 21 to control the display unit 21 to display image information, and the processor is also used for controlling the camera 40 to be opened or closed. If user's demand head-mounted apparatus presents when the virtual reality scene, the predetermined VR virtual reality scene display data of treater output, simultaneous control camera 40 closes, display element 21 basis the virtual reality scene shows that data show, and the light that display element 21 sent passes through behind the optical assembly 22, the warp window 13 forms the virtual reality scene in penetrating the people's eye. If user's demand head-mounted apparatus presents augmented reality scene, processor control camera 40 is opened, the real environment information transmission that camera 40 acquireed in real time extremely the treater, the treater combines real environment information and predetermined AR virtual information to form augmented reality scene display data to export for display element 21, display element 21 basis augmented reality scene display data shows, and the light that display element 21 sent passes through behind optical component 22, the warp window 13 forms the virtual reality scene in penetrating the people's eye. In this way, switching between a virtual reality scene and an augmented reality scene is achieved on one head-mounted device.
In this embodiment, the imaging system 20 is set on the head-mounted device, the virtual reality scene is presented by the imaging system 20, the camera 40 is further set on the head-mounted device, the real-scene environment information is acquired through the camera 40, the augmented reality scene is presented through the real-scene environment information and the virtual scene, and the virtual reality scene and the augmented reality scene can be switched on one head-mounted device.
It will be appreciated that the housing 10 in this embodiment is provided with two viewing windows 13 adapted to the eyes of the user. The head-mounted device comprises two groups of cameras 40 and two groups of imaging systems 20, wherein the cameras 40 are symmetrically arranged on two sides of the shell 10, and one group of imaging systems 20 corresponds to one window 13. The two imaging systems 20 may image independently or simultaneously, that is, the imaging systems 20 may be controlled individually by a sub-package or collectively by a processor. Two when imaging system 20 independently formed images, can realize that both ends present different scenes respectively about, bring different experiences for the user, increase the result of use of wear equipment.
It is understood that, referring to fig. 5 and 6, the optical assembly 22 includes a first lens group 221 and a second lens group 222, the first lens group 221 is located between the display unit 21 and the two lens groups; light emitted by the display unit 21 is transmitted to the second lens group 222 after passing through the first lens group 221, and the light emitted by the second lens group 222 is transmitted to the window 13. In this embodiment, the first lens group 221 is used for adjusting the emission direction of the light emitted from the display unit 21 to adjust the imaging aberration, and the second lens group 222 is used for changing the transmission direction of the light, so that the light can be finally transmitted to the window 13 and enter the human eye from the window 13.
Wherein, the second mirror group 222 includes a plane reflective lens 2221, a semi-transparent semi-reflective lens 2222 and a curved surface reflective lens 2223, and the emergent light from the first mirror group 221 passes through the plane reflective lens 2221 and is reflected to the semi-transparent semi-reflective lens 2222, the semi-transparent semi-reflective lens 2222 is right the emergent light from the plane reflective lens 2221 is reflected to the curved surface reflective lens 2223, the curved surface reflective lens 2223 is right the reflected light from the semi-transparent semi-reflective lens 2222 is reflected to the semi-transparent semi-reflective lens 2222, and the semi-transparent semi-reflective lens 2222 is right the emergent light from the curved surface reflective lens 2223 is projected to the window 13.
Specifically, the light incident surface of the plane reflection lens 2221 and the light emitted from the first lens group 221 form an included angle, the reflection surface of the half-mirror 2222 faces the plane reflection lens 2221, and the reflection surface of the curved reflection lens 2223 faces the half-mirror 2222. After being emitted from the first lens group 221, the light directly irradiates the planar reflective lens 2221, the light incident surface of the planar reflective lens 2221 is a reflective surface, and reflects the light to the transflective lens 2222, the transflective lens 2222 is a lens having a polarization reflective film on the light incident surface, when the light reflected by the planar reflective lens 2221 passes through the transflective lens 2222, the incident direction of the light is different from the polarization direction of the polarization reflective film, and the light is reflected to the curved reflective lens 2223, and after the light is reflected by the curved reflective lens 2223, the direction of the light is changed, so that when the light re-irradiates the transflective lens 2222, the light has the same polarization direction as the polarization direction of the polarization reflective film, and the light is transmitted to the window 13 through the transflective lens 2222 and then transmitted to human eyes.
It can be understood that said second lens group 222 not only has the effect of changing the transmission direction of light, but also the curved reflective lens 2223 in said second lens group 222 has the light-gathering effect, so as to improve the imaging effect.
Further, the first lens group 221 includes a first lens element 2211, a second lens element 2212, and a third lens element 2213, which are arranged in this order from the display unit 21 toward the second lens group 222.
The light incident surface and the light emitting surface of the first lens 2211 are convex surfaces.
The light incident surface of the second lens 2212 is a concave surface, and the light emergent surface is a convex surface.
The light incident surface of the third lens 2213 is a convex surface, and the light emergent surface is a concave surface.
When the display unit 21 is turned on, light enters the first lens 2211 from the light entrance surface of the first lens 2211, passes through the first lens 2211, is projected onto the second lens 2212, exits from the second lens 2212, is projected onto the third lens 2213, enters the third lens 2213, and is transmitted to the plane reflection lens 2221.
The second lens group 222 sequentially adjusts the projection optics of light through three groups of concave-convex lenses, thereby achieving the effect of adjusting the imaging aberration.
Further, the optical assembly 22 further includes a mounting seat 223, and the first lens group 221 and the second lens group 222 are mounted in the mounting seat 223. Specifically, the mounting base 223 includes a supporting frame 2231, a mirror group mounting case 2232 and a sealing cylinder 2233, the mirror group mounting case 2232 includes a first mounting chamber 11 and a second mounting chamber 11, the first mounting chamber 11 is communicated with the second mounting chamber 11, one end of the first mounting chamber 11 departing from the second mounting chamber 11 is provided with a light inlet, the sealing cylinder 2233 is connected between the display unit 21 and the light inlet of the first mounting chamber 11, the first mirror group 221 is installed in the first mounting chamber 11, a first mounting port is provided on a chamber wall of the second mounting chamber 11 opposite to the second mounting chamber 11, the second mounting chamber 11 is adjacent to the first mounting port and is close to a chamber wall of the window 13, a third mounting port is provided on a chamber wall of the second mounting port opposite to the third mounting port, the plane reflection lens 2221 is installed on the first mounting port, the half-lens 2222 is mounted on the second mounting opening, and the curved surface reflection lens 2223 is mounted on the third mounting opening. The supporting frame 2231 is disposed at a side away from the lens group mounting case 2232, and is configured to support the lens group mounting case 2232 in the mounting cavity 11 of the housing 10.
Further, referring to fig. 7, in order to prevent the light entering from the light-transmitting portion 12 from passing through the optical component 22 and affecting the imaging effect, the head-mounted device of this embodiment further includes a light shielding plate 60 and a driving component 70, where the light shielding plate 60 is disposed in the mounting cavity 11 and is used for shielding the light entering from the light-transmitting portion 12 into the optical component 22 or the window 13. Further, in this embodiment, by setting the light shielding plate 60, the light entering the window 13 can be adjusted, on the basis that the camera 40 is not opened, the environment information outside the housing 10 can be obtained through the light transmitting hole 8181, and after the environment information obtained based on the light transmitting hole 8181 and the virtual environment information emitted by the display unit 21 are mixed in the optical component 22, an augmented reality scene is formed, so that the presentation of an augmented reality environment is realized.
Therefore, the light shielding plate 60 is movably disposed in the mounting cavity 11 and located on a side of the optical assembly 22 away from the window 13, the driving assembly 70 is connected to the light shielding plate 60, the driving assembly 70 drives the light shielding plate 60 to move between a first position and a second position, the first position is located on a light transmission path between the light-transmitting portion 12 and the window 13, specifically, the first position overlaps with a projection of the window 13, and the second position is staggered with the window 13. Specifically, the first position is a projection position between the light-transmitting portion 12 and the window 13, and light outside the housing 10 can be transmitted to the window 13 through the light-transmitting portion 12, so that the light shielding plate 60 is disposed between the light-transmitting portion 12 and the window 13 to shield light entering from the outside. The light shielding plate 60 is movably disposed in the mounting cavity 11, and when a user demands that the head-mounted device presents a virtual reality scene, the light shielding plate 60 can be driven to move to a light transmission path between the light transmission portion 12 and the window 13 to shield light entering from outside the housing 10, and only the light emitted from the display unit 21 enters human eyes through the optical assembly 22, so that the virtual reality scene is displayed. When the user demands the head-mounted device to present an augmented reality scene, and the camera 40 is not turned on, the light shielding plate 60 may be driven to move to the second position, so as to avoid the light transmission path between the light transmission portion 12 and the window 13, so that light outside the housing 10 enters the optical assembly 22, and enters the human eye after being emitted and converged from the display unit 21, thereby displaying the augmented reality scene.
It will be appreciated that the drive assembly 70 comprises an adjustment wheel 71 and a transmission gear 72, the transmission gear 72 being arranged coaxially with the adjustment wheel 71; the light shielding plate 60 is provided with a rack 61, the rack 61 is parallel to a connecting line between the first position and the second position, and the transmission gear 72 is meshed with the rack 61. When the adjusting wheel 71 is driven to rotate, the transmission gear 72 rotates along with the shaft, and when the transmission gear 72 rotates, the rack 61 is driven to move, so that the rack 61 drives the light shielding plate 60 to move. Based on the fact that the position of the rack 61 is parallel to the connecting line between the first position and the second position, the rack 61 drives the light shielding plate 60 to move along the first position and the second position in the moving process.
It should be noted that the adjusting wheel 71 may be connected to a motor, and driven by the motor to rotate; or the adjusting wheel 71 is partially exposed out of the housing 10, so that the user can manually drive the adjusting wheel 71 to rotate. Or, the driving assembly 70 further includes a toggle gear 73, the adjusting wheel 71 is an adjusting gear, the toggle gear 73 is engaged with the adjusting gear, the toggle gear 73 is located on a side of the adjusting wheel 71 away from the driving wheel, and the toggle gear 73 is partially exposed outside the housing 10 for a user to manually toggle.
In this embodiment, the light shielding plates 60 correspond to the viewing windows 13 one by one, and if the head-mounted device is provided with two viewing windows 13, two light shielding plates 60 are provided. The driving assembly 70 may be provided in a group, for example, the racks 61 on the two light shielding plates 60 extend oppositely, the meshing teeth on the two racks 61 are located on two opposite surfaces of the two racks 61, the transmission gear 72 is meshed with the two racks 61 at the same time, and when the transmission gear 72 rotates, the two racks 61 are driven to move in opposite or opposite directions, so that the simultaneous adjustment of the difference between the two windows 13 can be ensured. Alternatively, two sets of driving assemblies 70 may be provided, and each set of driving assemblies 70 drives one light shielding plate 60 correspondingly.
The head-mounted device further comprises a mounting plate 80, the mounting plate 80 is arranged in the mounting cavity 11, a light-transmitting hole 8181 is formed in the mounting plate 80, and the light-transmitting hole 8181 is located on a transmission path of the window 13; the light shielding plate 60 is movably arranged on the mounting plate 80, the optical assembly 22 is mounted on one side of the mounting plate 80 facing the window 13, the light transmission hole 8181, the optical assembly 22 and the window 13 are positioned on the same straight line, and the light shielding plate 60 is positioned between the light transmission hole 8181 and the optical assembly 22.
The light outside the housing 10 is transmitted to the window 13 through the light-transmitting portion 12, the light-transmitting hole 8181, and the optical assembly 22 in sequence.
In this embodiment, the light transmission hole 8181 and the light transmission portion 12 are arranged to form a light path, the environment information outside the housing 10 can be directly obtained from the light transmission hole 8181 and the light transmission portion 12, and the augmented reality scene can be presented in the device by combining the virtual scene information displayed by the display unit 21, and compared with the case where the environment information outside the housing 10 is obtained by using the camera 40, the actual environment information directly obtained through the light transmission hole 8181 is not processed, is closer to the real environment, and is more real information. And adopt camera 40 to acquire the environmental information outside casing 10, the visual angle that acquires based on camera 40 is bigger, and environmental information is handled through camera 40 after, the visual angle of the augmented reality scene that appears is bigger, and the effect that appears is better.
The head-mounted device in the embodiment of the invention is provided with at least two switching modes, for example, switching between an augmented reality scene and a virtual reality scene is realized by opening or closing the camera 40; for example, by driving the light shielding plate 60 to move to the first position, light transmission between the window 13 and the outside of the housing 10 is shielded, or driving the light shielding plate 60 to move to the second position, so that the environment information outside the housing 10 can be acquired from the window 13, and switching between the virtual reality scene and the augmented reality scene is realized. And the display effect that two kinds of switching modes reached is different, and the user can be based on a head-mounted device, can select the switching mode according to the demand of oneself, need not the user and changes head-mounted device, provides convenience for the user.
It will be appreciated that the camera 40 in this embodiment is also mounted on the mounting plate 80 on the side facing away from the viewing window 13.
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 head-mounted device, characterized in that the head-mounted device comprises:
the device comprises a shell, a first fixing device and a second fixing device, wherein a mounting cavity is arranged in the shell, and at least one window communicated with the mounting cavity is arranged on the shell;
the imaging system is arranged in the installation cavity and comprises a display unit and an optical assembly, and light emitted by the display unit is emitted to the window through the optical assembly;
the cameras are arranged on the shell or positioned in the installation cavity and are used for collecting environmental information outside the shell;
and the processor is connected with the display unit and the camera, and is used for controlling the display unit to display images and controlling the camera to be opened or closed.
2. The headset of claim 1, wherein the housing defines a light-transmissive portion, the camera being disposed within the mounting cavity, the light-transmissive portion being located on a light-incident side of the camera such that the camera captures environmental information outside the housing through the light-transmissive portion.
3. The head-mounted device of claim 2, wherein the optical assembly comprises a first lens group and a second lens group, the first lens group being located between the display unit and the second lens group;
light emitted by the display unit is transmitted to the second lens group after passing through the first lens group, and the light emitted by the second lens group is transmitted to the window, wherein the first lens group is used for adjusting imaging aberration, and the second lens group is used for changing the transmission direction of the light.
4. The head-mounted apparatus according to claim 3, wherein the second lens group includes a planar reflective lens, a transflective lens and a curved reflective lens, the emergent light from the first lens group is reflected to the transflective lens through the planar reflective lens, the transflective lens reflects the emergent light from the planar reflective lens and reflects the reflected light to the curved reflective lens, the curved reflective lens reflects the reflected light from the transflective lens and emits the reflected light to the transflective lens, and the transflective lens transmits the emergent light from the curved reflective lens to the viewing window.
5. The head-mounted apparatus according to claim 3, wherein the first lens group comprises a first lens, a second lens and a third lens arranged in sequence from the display unit toward the second lens group;
the light incident surface and the light emergent surface of the first lens are convex surfaces;
the light incident surface of the second lens is a concave surface, and the light emergent surface of the second lens is a convex surface;
the light incident surface of the third lens is a convex surface, and the light emergent surface of the third lens is a concave surface.
6. The headset of claim 5, wherein the optical assembly further comprises a mount, the first set of lenses and the second set of lenses being mounted in the mount.
7. The headset of claim 2 further comprising a shutter movably disposed within the mounting chamber on a side of the optical assembly facing away from the window, and a drive assembly coupled to the shutter, the drive assembly driving the shutter to move between a first position on an optical path transmission path of the window and a second position offset from the window.
8. The headset of claim 7, wherein the drive assembly includes an adjustment wheel and a drive gear disposed coaxially with the adjustment wheel; the shading plate is provided with a rack, the rack is parallel to a connecting line between the first position and the second position, and the transmission gear is meshed and connected with the rack.
9. The head-mounted device of claim 7, further comprising a mounting plate disposed in the mounting cavity, wherein the mounting plate defines a light-transmissive hole, and the light-transmissive hole is located on the transmission path of the window; the light shading plate is movably arranged on the mounting plate, the optical assembly is mounted on one side, facing the window, of the mounting plate, the light transmitting hole, the optical assembly and the window are located on the same straight line, and the light shading plate is located between the light transmitting hole and the optical assembly; the light outside the shell sequentially passes through the light transmission part, the light transmission hole and the optical assembly and is transmitted to the window.
10. The headset of claim 9, wherein the camera is mounted on a side of the mounting plate facing away from the viewing window.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010520551.6A CN111522141B (en) | 2020-06-08 | 2020-06-08 | Head-mounted device |
| PCT/CN2020/098384 WO2021248570A1 (en) | 2020-06-08 | 2020-06-28 | Head-mounted device |
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| CN115166972A (en) * | 2022-06-06 | 2022-10-11 | 歌尔股份有限公司 | Head-mounted device |
| CN117310999A (en) * | 2023-11-30 | 2023-12-29 | 吉林大学 | VR glasses for relieving eye fatigue |
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| Publication number | Publication date |
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| CN111522141B (en) | 2022-01-14 |
| WO2021248570A1 (en) | 2021-12-16 |
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