WO2018152850A1 - 一种头戴式显示设备及其调节方法 - Google Patents

一种头戴式显示设备及其调节方法 Download PDF

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Publication number
WO2018152850A1
WO2018152850A1 PCT/CN2017/075074 CN2017075074W WO2018152850A1 WO 2018152850 A1 WO2018152850 A1 WO 2018152850A1 CN 2017075074 W CN2017075074 W CN 2017075074W WO 2018152850 A1 WO2018152850 A1 WO 2018152850A1
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WO
WIPO (PCT)
Prior art keywords
head
assembly
display device
mounted display
eyepiece
Prior art date
Application number
PCT/CN2017/075074
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English (en)
French (fr)
Inventor
陈臻伟
Original Assignee
深圳市柔宇科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市柔宇科技有限公司 filed Critical 深圳市柔宇科技有限公司
Priority to CN201780002912.4A priority Critical patent/CN108124468A/zh
Priority to PCT/CN2017/075074 priority patent/WO2018152850A1/zh
Publication of WO2018152850A1 publication Critical patent/WO2018152850A1/zh

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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
    • 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
    • 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
    • G02B27/0179—Display position adjusting means not related to the information to be displayed

Definitions

  • the present application relates to the field of display device technologies, and in particular, to a head mounted display device and a method for adjusting the same.
  • the head-mounted display device in the prior art can adjust the focus by changing the distance between the lens and the display screen and the human eye, thereby realizing the adjustment of the visual effect of the viewing.
  • the position between the head-mounted display device and the head in the prior art is relatively fixed and cannot be adjusted, and may cause pressure on the wearer's face after being worn, or the head-mounted device and the face during the rotation of the head. There is a gap that reduces the effect of viewing.
  • the head-mounted display device is fixed on the external support, and after the user wears, the main weight of the head-mounted display device is borne by the support, thereby reducing the weight bearing of the user's face.
  • the relative position between the fixed head-mounted display device and the head is fixed and cannot be adjusted, which limits the movement of the head and affects the wearing experience.
  • the present application also provides an adjustment method of the above-described head mounted display device.
  • An embodiment of the present invention provides a head mounted display device including a fixed housing, a follower mechanism and an eyepiece assembly, the follower mechanism including a drive assembly and a connection assembly, the connection assembly connecting the fixed housing And the eyepiece assembly, the follower mechanism drives the connection assembly to move the eyepiece assembly in a direction away from or near the fixed housing.
  • An embodiment of the present invention further provides an adjustment method of a head mounted display device, including
  • the pressure sensor transmitting the collected pressure information to the control component
  • the control component controls the drive assembly according to the pressure information
  • the drive assembly drives the connection assembly to move the eyepiece assembly away from or near the stationary housing.
  • the head mounted display device in the embodiment of the invention comprises a fixed housing, a follower mechanism and an eyepiece assembly, wherein the follower mechanism comprises a drive assembly and a connection assembly, the connection assembly connects the fixed housing and the eyepiece assembly, and the connection assembly is driven by the drive assembly
  • the eyepiece assembly is moved relative to the fixed housing, so that when the user's head moves, the eyepiece assembly can move back and forth along with the movement of the head, ensuring that the eyepiece assembly and the head remain adhered to each other, thereby enhancing the head mounted display.
  • the wearing comfort of the device The driving method of the head mounted display device of the present invention can ensure that the eyepiece assembly is kept in conformity with the head, and the wearing comfort of the head mounted display device is improved.
  • FIG. 1 is a schematic structural view of a head mounted display device according to an embodiment of the present invention.
  • FIG. 2 is an exploded perspective view of the head mounted display device shown in FIG. 1.
  • FIG. 3 is a schematic cross-sectional view of the head mounted display device of FIG. 1.
  • FIG. 4 is a schematic structural view of a head mounted display device according to another embodiment of the present invention.
  • FIG. 5 is a schematic flow chart of a method for adjusting a head mounted display device according to the present invention.
  • FIG. 1 is a schematic structural view of a head mounted display device according to an embodiment of the present invention.
  • Figure 2 is an exploded perspective view of Figure 1.
  • the head mounted display device 100 in this embodiment includes a fixed housing 10, a follower mechanism (not numbered), and an eyepiece assembly 30.
  • the fixed housing 10 can remain relatively fixed between the head and the head.
  • the eyepiece assembly 30 includes an optical lens set (not shown) and a microdisplay (not shown).
  • the eyepiece assembly 30 is used to provide a display image to the human eye.
  • the follower mechanism includes a drive assembly 201 and a connection assembly (not numbered) connected between the fixed housing 10 and the eyepiece assembly 30.
  • the drive assembly 201 drives the connection assembly such that the eyepiece assembly 30 moves away from or near the fixed housing 10. The direction is moved to cause the eyepiece assembly 30 to conform to the head.
  • the head mounted display device 100 of the present invention includes a fixed housing 10, a follower mechanism and an eyepiece assembly 30, and the relative position of the eyepiece assembly 30 and the head can be adjusted by the follower mechanism so that the movement of the head moves back and forth, the eyepiece The assembly 30 also moves back and forth with the movement of the head, ensuring that the eyepiece assembly 30 remains attached to the head, improving the wearing comfort of the head mounted display device 100.
  • the driving assembly 201 includes an electric driving unit 21, a first driving member 22, and a second driving member 23.
  • the electric drive unit 21 is connected to the first driving member 22, and the first driving member 22 and the second driving member 23 are respectively disposed on the fixed housing 10 and the eyepiece assembly 30, and the first driving member 22 and the second driving member 23 are engaged.
  • the electric driving unit 21 may be the motor 21, the first driving member 22 may be the gear 22, and the second driving member 23 may be the rack 23.
  • the gear 22 is fixed to the rotating shaft of the motor 21, and the gear 22 is meshed with the rack 23.
  • the motor 21 and the rack 23 are placed on the fixed housing 10 and the eyepiece assembly 30.
  • the motor 21 can be a stepping motor or a servo motor.
  • the connecting component includes at least a first connecting member 31 and a second connecting member 11, and the first connecting member 31 and the second connecting member 11 are respectively disposed on the fixed housing 10 and the eyepiece assembly 30, and the driving assembly 201 drives the first connection.
  • the piece 31 moves in the second connecting piece 11.
  • the first connecting member 31 can be a boss 31.
  • a boss is provided on the end surface of the eyepiece assembly 30 near the fixed housing 10.
  • the second connecting member 11 can be a receiving slot 11 .
  • a receiving groove 11 is correspondingly disposed on an end surface of the fixed housing 10 adjacent to the eyepiece assembly 30.
  • FIG. 3 is a schematic cross-sectional view of the head mounted display device shown in FIG. 1.
  • the motor 21 is fixed on the boss 31, the rack 23 is fixed in the accommodating groove 11, the motor 21 rotates to drive the gear 22 to rotate, the gear 22 meshes with the rack 23, and the driving boss 31 moves in the accommodating groove 11. That is, the drive assembly 201 drives the eyepiece assembly 30 to move away from or near the fixed housing 10 relative to the stationary housing 10.
  • the first connecting member 31 and the second connecting member 11 may also be other structures, which are not limited thereto.
  • the boss 31 can also be disposed on the fixed housing 10, and the receiving slot 11 can be disposed on the eyepiece assembly 30. That is, the motor 21 can be fixed to the fixed housing 10, and the rack 23 can be fixed to the eyepiece assembly 30.
  • the driving component 201 can also be a mechanical structure that can be converted from a rotating pair to a moving pair, such as a crank slider assembly, a ball screw assembly, etc., which are not exhaustively enumerated herein.
  • the drive assembly 201 may also be a linear motor 21 or the like.
  • the head mounted display device further includes a guiding mechanism.
  • the guiding mechanism is coupled between the fixed housing 10 and the eyepiece assembly 30 for limiting the direction of movement of the eyepiece assembly 30.
  • the guiding mechanism may include a first guiding unit 32 and a second guiding unit 12, and the first guiding unit 32 and the second guiding unit 12 are respectively disposed on the eyepiece assembly 30 and the fixed housing 10, and the first guiding unit 32 can be The second guiding unit 12 moves.
  • the first guiding unit 32 may be the guiding post 32; correspondingly, the second guiding unit may be the guiding slot 12.
  • a guide groove 12 is disposed on an end surface of the fixed housing 10 adjacent to the eyepiece assembly 30, and an end surface of the eyepiece assembly 30 adjacent to the fixed housing 10 is correspondingly provided with a guide post 32.
  • the guide groove 12 and the guide post 32 together constitute a guiding mechanism of the head mounted display device 100. It can be understood that in other embodiments, the guiding mechanism can also be other forms of mechanisms, which are not limited herein.
  • the guide post 32 can move in the guide slot 12, thereby limiting the direction of movement of the eyepiece assembly 30, ensuring that the eyepiece assembly 30 moves away from or near the fixed housing 10.
  • the number of the guide post 32 and the guide groove 12 is four, and the four guide posts 32 are evenly distributed around the end surface of the eyepiece assembly 30 near the fixed housing 10, and the guide groove 12 is correspondingly disposed with the guide post 32.
  • the number of the guide posts 32 may also be two, three, five, etc., and is not limited herein.
  • the guide post 32 can also be disposed on the fixed housing 10; correspondingly, the guide slot 12 can be disposed on the eyepiece assembly 30.
  • the head mounted display device 100 further includes a control component (not shown) and a pressure sensor 61.
  • the control assembly can be mounted to the stationary housing 10.
  • the pressure sensor 61 is disposed on the end surface 301 of the eyepiece assembly 30 remote from the fixed housing 10. It will be appreciated that the end surface 301 of the eyepiece assembly 30 remote from the stationary housing 10 is in direct contact with the wearer's head.
  • the pressure sensor 61 is used for the collected pressure information.
  • the control unit is configured to determine the positional relationship between the eyepiece assembly 30 and the wearer's head based on the pressure information collected by the pressure sensor 61, thereby controlling the operation of the follower mechanism such that the eyepiece assembly 30 is attached to the head.
  • the control unit controls the motor 21 to rotate, the motor 21 rotates to drive the gear 22 to rotate, and the gear 22 and the rack 23 meshing drive, the driving boss 31 moves in the accommodating groove 11, driving the eyepiece assembly 30 close to the wearer's head until the sensor 61 measures the pressure just not to be 0 or within a threshold range greater than 0, the control component controls The motor 21 stops rotating, at which point the eyepiece assembly 30 fits snugly against the wearer's head.
  • the control assembly controls the drive assembly 201 to operate such that the eyepiece assembly 30 is driven away from the wearer's head until the sensor 61 measures the pressure to be exactly zero or at some
  • the control assembly controls the motor 21 to stop rotating, at which time the eyepiece assembly 30 fits snugly against the wearer's head.
  • the follower mechanism further includes a distance sensor 62.
  • the pressure sensor 61 and the distance sensor 62 are disposed on the end surface 301 of the eyepiece assembly 30 remote from the fixed housing 10. It will be understood that the end surface 301 of the eyepiece assembly 30 remote from the fixed housing 10 is in direct contact with the wearer's head.
  • the pressure sensor 61 is used for the acquired pressure information
  • the distance sensor 62 is used for the collected distance information.
  • the control component is configured to determine the distance between the eyepiece assembly 30 and the wearer's head based on the pressure information collected by the pressure sensor 61 and the distance information collected by the distance sensor 62, thereby controlling the operation of the drive assembly such that the eyepiece assembly 30 is attached to the head. .
  • the eyepiece assembly 30 is not worn at this time.
  • the control component controls the rotation of the motor 21, the rotation of the motor 21 drives the gear 22 to rotate, the gear 22 meshes with the rack 23, and the drive boss 31 moves in the accommodating groove 11, driving the eyepiece assembly 30 to be close to the wearer's head.
  • the control unit controls the motor 21 to stop rotating, at which time the eyepiece assembly 30 fits snugly on the wearer's head; if worn, the wearer's head When the front part is tilted, the head applies a certain pressure to the device.
  • the control unit controls the motor 21 to reverse, the motor 21 rotates to drive the gear 22 to rotate, and the gear 22 meshes with the rack 23 to drive.
  • the boss 31 moves in the opposite direction in the accommodating groove 11.
  • the follower mechanism drives the eyepiece assembly 30 to move away from the wearer's head; until the sensor measures a distance of 0, and the pressure sensor 61 measures the pressure to be 0, the control unit controls the motor 21 to stop rotating, at which time the eyepiece assembly 30 is just right. Fits to the wearer's head. It should be noted that, in other embodiments, when the eyepiece assembly 30 is disposed on the wearer's head, the pressure sensed by the pressure sensor 61 is slightly greater than 0. In this state, the eyepiece assembly 30 is just attached to the eyepiece assembly 30. The wearer's head status. That is, the eyepiece assembly 30 fits snugly against the wearer's head and is lightly touched between the head. The pressure value when the eyepiece assembly 30 is just attached to the wearer's head can be personalized according to the feelings of different people. This is not limited.
  • the number of the pressure sensor 61 and the distance sensor 62 in the follower mechanism is plural, and the plurality of pressure sensors 61 and the distance sensor 62 are evenly distributed on the end surface 301 of the eyepiece assembly 30 that is in contact with the head.
  • the eyepiece assembly 30 is not in point contact with the wearer's head, but the eyepiece assembly 30 is attached around the wearer's eye, in order to more accurately determine that the eyepiece assembly 30 fits around the wearer's eye,
  • a plurality of pressure sensors 61 and distance sensors 62 may be provided on the end surface 301 of the eyepiece assembly 30 that is in contact with the head.
  • the end surface 301 of the eyepiece assembly remote from the fixed housing 10 can also be made of an elastic material such as sponge or rubber.
  • the distance sensor 62 and the pressure sensor 61 can also be used in combination.
  • the control component controls the opening and closing of the pressure sensor 61 based on the distance information collected by the distance sensor 62.
  • the distance threshold of the distance sensor can be preset. If the distance sensor 62 detects that the distance between the head and the head mounted display device 100 exceeds a preset distance threshold (for example, the user removes the head mounted display device), the control unit controls the pressure sensor 61 to be in a closed state, avoiding something. Pressed on a head mounted display device (ie A mis-touch occurs, causing relative movement of the eyepiece assembly 30 and the stationary housing 10. It can be understood that the control component can also control the opening and closing of the distance sensor 62 based on the pressure information collected by the pressure sensor 61. The working process is similar to the above, and will not be described here.
  • the follower mechanism may further include a plurality of driving components 201 and a plurality of pressure sensors 61.
  • Each pressure sensor corresponds to a drive assembly 201.
  • the end surface 301 of the eyepiece assembly 30 remote from the stationary housing includes a plurality of regions, each of which is provided with a pressure sensor 61. That is, the pressure sensor 61 and the driving component 201 are in one-to-one correspondence with the plurality of regions on the end surface 301 of the eyepiece assembly, and the control component is configured to control the driving component corresponding to the region according to the pressure information collected by the pressure sensor 61 on each region.
  • the corresponding area on the eyepiece assembly 30 is brought into conformity with the head.
  • the head mounted display device 100 further includes an earphone assembly 40.
  • the fixed housing 10 extends out of the earphone assembly 40 to both sides.
  • the head mounted display device 100 further includes an earphone assembly 40 that can be worn over the head by the earphone assembly such that the stationary housing 10 remains relatively stationary with the head.
  • FIG. 4 is a schematic structural diagram of another embodiment of the present invention.
  • the connecting rod 50 extends from the end surface of the fixed housing 10 away from the eyepiece assembly 30, and the fixed housing 10 is connected and fixed to the fixing frame (not shown) through the connecting rod 50.
  • the holder may be a table, a chair, a ceiling, or a ground.
  • the eyepiece assembly 30 can be moved relative to the fixed housing 10 by the follower mechanism, so that the eyepiece assembly 10 is attached to the head to prevent the eyepiece assembly 10 from coming off the head during the movement of the head, thereby improving the wearing.
  • the connecting rod 50 can be clamped to the fixed housing 10 in a form similar to a mobile phone holder.
  • the connecting rod 50 is directly coupled to the fixed housing 10 and is not limited herein.
  • FIG. 5 is a schematic flow chart of a method for adjusting a head-mounted display device according to the present invention.
  • the adjustment method of the invention mainly comprises the following steps:
  • Step S001 providing a pressure sensor that transmits the collected pressure information to the control component.
  • the pressure sensor 61 is disposed on the end surface 301 of the eyepiece assembly 30 away from the fixed housing 10, and the end surface 301 of the eyepiece assembly 30 away from the fixed housing 10 and the wearer's head The portion is in direct contact, so that pressure information between the head and the eyepiece assembly 10 that the pressure sensor 61 can collect is provided on the end surface 301.
  • the pressure sensor 61 collects the pressure information and transmits it to the control unit 10 for processing.
  • the control component 10 can be a component with logical processing capability such as a central processing unit.
  • Step S002 The control component controls the driving component according to the pressure information.
  • Step S003 The drive assembly drives the connection assembly to move the eyepiece assembly away from or near the fixed housing.
  • the control component controls the operation of the drive component 201, and the drive component 201 drives the connection component 202 to
  • the eyepiece assembly 30 is brought into close proximity to the wearer's head until the sensor 61 senses that the pressure is not zero or within a certain pressure threshold range greater than zero, the control assembly controls the motor 21 to stop rotating, at which time the eyepiece assembly 30 fits snugly The wearer's head.
  • the control assembly controls the drive assembly 201 to operate such that the eyepiece assembly 30 is driven away from the wearer's head until the sensor 61 measures the pressure to be exactly zero or at some
  • the control assembly controls the motor 21 to stop rotating, at which time the eyepiece assembly 30 fits snugly against the wearer's head.
  • the collected pressure information is transmitted to the control component by the pressure sensor, and the control component controls the driving component according to the pressure information so that the eyepiece component is away from or close to the fixed casing. mobile.
  • the distance between the eyepiece assembly and the wearer's head is adjustable, which enhances the comfort of the head-mounted display device.
  • the adjusting method further includes:
  • a distance sensor is provided for transmitting the collected distance information to the control component.
  • the step of controlling the driving component according to the pressure information further includes the control component controlling the driving component according to the pressure information and the distance information.
  • the pressure sensor 61 and the distance sensor 62 are disposed on the end surface 301 of the eyepiece assembly 30 away from the fixed housing 10. It can be understood that the end surface 301 of the eyepiece assembly 30 away from the fixed housing 10 and the wearer's head. direct contact.
  • the pressure sensor 61 is used for the acquired pressure information
  • the distance sensor 62 is used to collect the distance information of the eyepiece assembly 30 from the head.
  • the control component is configured to determine the distance between the eyepiece assembly 30 and the wearer's head based on the pressure information collected by the pressure sensor 61 and the distance information collected by the distance sensor 62, thereby controlling the drive group.
  • the work of the piece causes the eyepiece assembly 30 to conform to the head.
  • the eyepiece assembly 30 is not in contact with the wearer's head at this time, and the control is performed.
  • the component controls the motor 21 to rotate, the motor 21 rotates to drive the gear 22 to rotate, the gear 22 meshes with the rack 23, and the driving boss 31 moves in the accommodating groove 11, driving the eyepiece assembly 30 to be close to the wearer's head; 0, and when the pressure sensor 61 detects that the pressure is 0, the control unit controls the motor 21 to stop rotating, and the eyepiece assembly 30 is just attached to the wearer's head; during the wearing process, if the wearer's head leans forward, the head A certain pressure is applied to the device. When the pressure sensor 61 measures the pressure greater than 0, the control unit controls the motor 21 to reverse, the motor 21 rotates to drive the gear 22 to rotate, the gear 22 meshes with the rack 23, and the drive boss 31 is in the receiving slot. Reverse movement in 11.
  • the follower mechanism drives the eyepiece assembly 30 to move away from the wearer's head; until the sensor measures a distance of 0, and the pressure sensor 61 measures the pressure to be 0, the control unit controls the motor 21 to stop rotating, at which time the eyepiece assembly 30 is just right. Fits to the wearer's head. It should be noted that, in other embodiments, when the eyepiece assembly 30 is disposed on the wearer's head, the pressure sensed by the pressure sensor 61 is slightly greater than 0. In this state, the eyepiece assembly 30 is just attached to the eyepiece assembly 30. The wearer's head status. That is, the eyepiece assembly 30 fits snugly against the wearer's head and is lightly touched between the head. The pressure value when the eyepiece assembly 30 is just attached to the wearer's head can be personalized according to the feelings of different people. This is not limited.

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Abstract

一种头戴式显示设备（100）及其驱动方法，其中头戴式显示设备包括固定壳体（10）、随动机构和目镜组件（30），随动机构包括驱动组件（201）及连接组件，连接组件连接固定壳体和目镜组件，随动机构驱动连接组件以使得目镜组件沿远离或靠近固定壳体方向移动。这种头戴式显示设备的目镜组件可以随着头部的运动而前后移动，保证目镜组件与头部保持相贴合，提升了头戴式显示设备的佩戴舒适性。

Description

一种头戴式显示设备及其调节方法 技术领域
本申请涉及显示设备技术领域，尤其涉及一种头戴式显示设备及其调节方法。
背景技术
近年来，伴随着虚拟现实(Virtual Reality，VR)、增强现实(Augmented Reality，AR)及混合现实(Mixed Reality，MR)技术的发展，头戴式显示设备大量涌入到我们的日常生活中。
现有技术中的头戴式显示设备可以通过改变透镜、显示屏与人眼间的距离进行调焦，从而实现观影的视觉效果的调节。但是现有技术中的头戴式显示设备与头部之间的位置相对固定，无法调节，佩戴后有可能会对佩戴者面部造成压迫感，或者在头部转动过程中，头戴设备与面部存在间隙，降低了观影的效果。此外，固定式的头戴式显示设备，头戴显示设备固定于外置支撑物，用户佩戴后，头戴显示设备的主要重量由支撑物承担，从而减轻用户面部的承重。然而，这种固定式的头戴式显示设备与头部之间的相对位置固定不动，无法进行调节，会限制头部的运动，影响了佩戴的体验。
发明内容
本申请的目的在于提供一种头戴式显示设备，该设备能调节目镜组件与头部之间的距离，增强佩戴的舒适性。
本申请还提供一种上述头戴式显示设备的调节方法。
为实现上述目的，本申请提供如下技术方案：
本发明的实施例中提供一种头戴式显示设备，其包括固定壳体、随动机构和目镜组件，所述随动机构包括驱动组件及连接组件，所述连接组件连接所述固定壳体和所述目镜组件，所述随动机构驱动连接组件以使得所述目镜组件沿远离或靠近所述固定壳体方向移动。
本发明的实施例中还提供一种头戴式显示设备的调节方法，包括
提供一压力传感器，所述压力传感器将采集到的压力信息传输至控制组件；
所述控制组件根据所述压力信息控制驱动组件；
所述驱动组件驱动连接组件以使得目镜组件沿远离或靠近固定壳体方向移动。
本申请实施例具有如下优点或有益效果：
本发明实施例中的头戴式显示设备包括固定壳体、随动机构和目镜组件，随动机构中包括驱动组件及连接组件，连接组件连接固定壳体和目镜组件，通过驱动组件驱动连接组件使得所述目镜组件相对于固定壳体运动，从而当用户头部运动时，目镜组件可以随着头部的运动而前后移动，保证目镜组件与头部保持相贴合，提升了头戴式显示设备的佩戴舒适性。本发明的头戴式显示设备的驱动方法能够保证目镜组件与头部保持相贴合，提升头戴式显示设备的佩戴舒适性。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明的一个实施例的头戴式显示设备结构示意图。
图2为图1所示的头戴式显示设备的分解示意图。
图3为图1所示的头戴式显示设备的剖面示意图。
图4为本发明的另一个实施例的头戴式显示设备结构示意图。
图5为本发明头戴式显示设备的调节方法流程示意图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本 申请保护的范围。
本申请以下实施例中所采用的序数限定词，第一、第二等仅是为了清楚地说明本申请中相似的特征的区别性的用语，不代表相应的特征的排列顺序或者使用顺序。
请结合参阅图1和图2。图1为本发明的一个实施例的头戴式显示设备的结构示意图。图2为图1的分解示意图。本实施例中的头戴式显示设备100包括固定壳体10、随动机构(图未编号)和目镜组件30。固定壳体10可以与头部之间保持相对固定。目镜组件30中包括光学镜片组(图未示出)和微型显示屏(图未示出)。目镜组件30用于为人眼提供显示图像。随动机构包括驱动组件201和连接组件(图未编号)，连接组件连接于固定壳体10与目镜组件30之间，驱动组件201驱动连接组件，使得目镜组件30沿远离或靠近固定壳体10方向移动，以使得目镜组件30与头部相贴合。
本发明中的头戴式显示设备100包括固定壳体10、随动机构和目镜组件30，可以通过随动机构调节目镜组件30与头部的相对位置，使得头部的运动前后移动时，目镜组件30也会随着头部的运动前后移动，保证目镜组件30与头部保持相贴合，提升了头戴式显示设备100的佩戴舒适性。
本发明一种可能的实现方式中，驱动组件201包括电驱动单元21、第一驱动件22和第二驱动件23。其中，电驱动单元21与第一驱动件22连接，第一驱动件22及第二驱动件23分置于固定壳体10及目镜组件30上，第一驱动件22及第二驱动件23啮合设置。具体的，电驱动单元21可以为电机21、第一驱动件22可以为齿轮22，第二驱动件23可以为齿条23。进一步具体的，齿轮22固定于电机21转轴上，齿轮22与齿条23啮合设置。电机21与齿条23分置于固定壳体10及目镜组件30上。具体的，电机21可以为步进电机或者伺服电机。
进一步的，连接组件至少包括第一连接件31和第二连接件11，第一连接件31与第二连接件11分置于固定壳体10及目镜组件30上，驱动组件201驱动第一连接件31在第二连接件11中移动。具体的，第一连接件31可以为凸台31。目镜组件30之靠近固定壳体10的端面上设置有凸台 31；相应的，第二连接件11可以为容置槽11。固定壳体10之靠近目镜组件30的端面上相应设置有容置槽11。
请结合参阅图3，图3为图1所示的头戴式显示设备的剖面示意图。电机21固定于凸台31上，齿条23固定于容置槽11中，电机21转动带动齿轮22转动，齿轮22与齿条23啮合传动，驱动凸台31在容置槽11中移动。即驱动组件201驱动目镜组件30相对于固定壳体10沿远离或靠近固定壳体10方向移动。可以理解的是，本发明的其他实施方式中，第一连接件31和第二连接件11还可以为其他结构，此处不以为限。
可以理解的是，在本发明的其他实施方式中，凸台31还可以设置于固定壳体10上，容置槽11可以设置于目镜组件30上。也就是说，电机21可以固定于固定壳体10上，齿条23可以固定于目镜组件30上。
可以理解的是，在本发明其他实施方式中，驱动组件201还可以为曲柄滑块组件、滚珠丝杠组件等能够由转动副转变为移动副的机械结构，此处不作穷尽列举。或者，驱动组件201还可以为直线电机21等。
本发明一种可能的实现方式中，头戴式显示设备还包括导向机构。导向机构连接于固定壳体10及目镜组件30之间，导向机构用于限制目镜组件30的移动方向。具体的，导向机构可以包括第一导向单元32和第二导向单元12，第一导向单元32和第二导向单元12分别设置于目镜组件30及固定壳体10上，第一导向单元32能够在第二导向单元12中移动。进一步具体的，第一导向单元32可以为导柱32；相应的，第二导向单元可以为导槽12。固定壳体10之靠近目镜组件30的端面上设置有导槽12，目镜组件30之靠近固定壳体10的端面上相应的设置有导柱32。导槽12和导柱32共同构成了头戴式显示设备100的导向机构。可以理解的是，在其他实施方式中，导向机构还可以为其他形式的机构，此处不加以限定。
可以理解的是，当目镜组件30相对固定壳体10移动时，导柱32可以在导槽12中移动，进而限制目镜组件30的移动方向，保证目镜组件30沿远离或靠近固定壳体10方向移动。具体的，导柱32和导槽12的数量各为4个，4个导柱32均匀分布于目镜组件30之靠近固定壳体10的端面的四周，导槽12与导柱32相应设置。可以理解的是，本发明的其 他实施方式中，导柱32(导槽12)的数量还可以为2个、3个、5个……等，此处不加以限定。
可以理解的是，本发明的其他实施方式中，导柱32还可以设置于固定壳体10上；相应的，导槽12可以设置于目镜组件30上。
本发明一种可能的实现方式中，头戴式显示设备100还包括控制组件(图未示出)和压力传感器61。控制组件可以安装于固定壳体10上。压力传感器61设置于目镜组件30之远离固定壳体10的端面301上。可以理解的是，该目镜组件30之远离固定壳体10的端面301与佩戴者的头部直接接触。压力传感器61用于采集的压力信息。控制组件用于根据压力传感器61采集的压力信息判断目镜组件30与佩戴者头部之间的位置关系，从而控制随动机构工作，使得目镜组件30与头部相贴合。具体的，佩戴时，若压力传感器61测得压力为0，则此时目镜组件30未与佩戴者头部接触，控制组件控制电机21转动，电机21转动带动齿轮22转动，齿轮22与齿条23啮合传动，驱动凸台31在容置槽11中移动，驱动目镜组件30贴近佩戴者头部，直至传感器61测得压力恰好不为0或者在某个大于0的阈值范围内时，控制组件控制电机21停止转动，此时目镜组件30正好贴合于佩戴者头部。反之，若传感器61测得压力大于0且位于压力阈值范围内时，控制组件控制驱动组件201工作，使得驱动目镜组件30远离佩戴者头部，直至传感器61测得压力恰好为0或者在某个大于0的压力阈值范围内时，控制组件控制电机21停止转动，此时目镜组件30正好贴合于佩戴者头部。
进一步的，随动机构还包括距离传感器62。压力传感器61及距离传感器62设置于目镜组件30之远离固定壳体10的端面301上，可以理解的是，该目镜组件30之远离固定壳体10的端面301与佩戴者的头部直接接触。压力传感器61用于采集的压力信息，距离传感器62用于采集的距离信息。控制组件用于根据压力传感器61采集的压力信息及距离传感器62采集的距离信息判断目镜组件30与佩戴者头部之间的距离，从而控制驱动组件工作，使得目镜组件30与头部相贴合。
具体的，在佩戴时，若距离传感器62测得距离大于0(或大于某个距离阈值)，且压力传感器61测得压力为0，则此时目镜组件30未与佩 戴者头部接触，控制组件控制电机21转动，电机21转动带动齿轮22转动，齿轮22与齿条23啮合传动，驱动凸台31在容置槽11中移动，驱动目镜组件30贴近佩戴者头部；直至传感器测得距离为0，且压力传感器61测得压力为0时，控制组件控制电机21停止转动，此时目镜组件30正好贴合于佩戴者头部；佩戴过程中，若佩戴者头部前倾，则头部会对设备施加一定压力，压力传感器61测得压力大于0，则控制组件控制电机21反转，电机21转动带动齿轮22转动，齿轮22与齿条23啮合传动，驱动凸台31在容置槽11中反向移动。随动机构驱动目镜组件30沿远离佩戴者头部方向移动；直至传感器测得距离为0，且压力传感器61测得压力为0时，控制组件控制电机21停止转动，此时目镜组件30又正好贴合于佩戴者头部。需要说明的是，在其他实施例中还可以设置目镜组件30正好贴合于佩戴者头部时，压力传感器61感测的压力略大于0，以此时的状态为目镜组件30正好贴合于佩戴者头部状态。也就是说，目镜组件30正好贴合于佩戴者头部，并且与头部之间轻触。目镜组件30正好贴合于佩戴者头部时的压力值可以根据不同人的感受进行个性化设置。此处不加以限定。
进一步具体的，随动机构中压力传感器61及距离传感器62的数量均为多个，多个压力传感器61及距离传感器62均匀分布于目镜组件30之与头部接触的端面301上。可以理解的是，目镜组件30与佩戴者头部之间并非点接触，而是目镜组件30贴合于佩戴者的眼部周围，为了更加准确判断目镜组件30贴合于佩戴者眼部周围，可以在目镜组件30之与头部接触的端面301上多设置几个压力传感器61及距离传感器62。可以理解的是，为了增强佩戴的舒适性，还可以在所述目镜组件之远离固定壳体10的端面301可以采用海绵、橡胶等弹性材料制成。
本发明一种可能的实现方式中，距离传感器62和压力传感器61还可以配合使用。例如，控制组件根据过距离传感器62采集的距离信息，从而控制压力传感器61的开启和关闭。可以预先设定距离传感器的采集的距离阈值。若距离传感器62检测到头部与头戴式显示设备100的距离超过预设的距离阈值时(譬如使用者摘下头戴式显示设备)，控制组件控制压力传感器61处于关闭状态，避免有东西压在头戴式显示设备上(即 发生误触)，造成目镜组件30与固定壳体10的相对运动。可以理解的是，控制组件还可以根据压力传感器61采集的压力信息，从而控制距离传感器62的开启和关闭。其工作过程与上述类似，此处不再赘述。
本发明一种可能的实现方式中，随动机构还可以包括多个驱动组件201和多个压力传感器61。每个压力传感器对应于一个驱动组件201。目镜组件30之远离固定壳体的端面301上包括多个区域，每个区域各设置有一个压力传感器61。也就是说，压力传感器61、驱动组件201与目镜组件的端面301上的多个区域一一对应，控制组件用于根据各个区域上的压力传感器61采集的压力信息控制该区域对应的驱动组件，使得目镜组件30上对应的区域与头部相贴合。
本发明一种可能的实现方式中，头戴式显示设备100还包括耳机组件40。具体的，固定壳体10向两侧延伸出耳机组件40。头戴式显示设备100还包括耳机组件40可以通过耳机组件佩戴于头部，使得固定壳体10与头部保持相对静止。
本发明一种可能的实现方式中，请参阅图4，图4为本发明另一种实施例的结构示意图。本实施例与上述实施例的区别点在于，固定壳体10之远离目镜组件30的端面上延伸出连接杆50，固定壳体10通过连接杆50连接固定于固定架(图未示出)上。具体的，固定架可以为桌子、椅子、天花板或大地等。通过将头戴式显示设备100固定于支架上，可以以减轻设备的对头部的压力。同时，使用过程中可以通过随动机构调节目镜组件30相对于固定壳体10移动，使得目镜组件10与头部相贴合，避免头部运动过程中目镜组件10脱离头部，提升了佩戴的体验。可选的，连接杆50可以通过类似于手机支架的形式夹持于固定壳体10上。或者，连接杆50直接与固定壳体10之间锁固连接，此处不加以限定。
请结合参阅图2和图5，图5为本发明头戴式显示设备的调节方法流程示意图。本发明的调节方法主要包括如下步骤：
步骤S001：提供一压力传感器，所述压力传感器将采集到的压力信息传输至控制组件。
具体的，压力传感器61设置于目镜组件30之远离固定壳体10的端面301上，该目镜组件30之远离固定壳体10的端面301与佩戴者的头 部直接接触，因此在端面301上设置压力传感器61可以采集的头部与目镜组件10之间的压力信息。压力传感器61采集到压力信息后传输至控制组件10中进行处理。可以理解的是，所述控制组件10可以为中央处理器等具有逻辑处理能力的组件。
步骤S002：所述控制组件根据所述压力信息控制驱动组件。
步骤S003：所述驱动组件驱动连接组件以使得目镜组件沿远离或靠近固定壳体方向移动。
具体的，佩戴时，若压力传感器61测得压力为0，则此时目镜组件30未与佩戴者头部接触，控制组件控制所述驱动组件201工作，所述驱动组件201驱动连接组件202以使得目镜组件30贴近佩戴者头部，直至传感器61测得压力恰好不为0或者在某个大于0的压力阈值范围内时，控制组件控制电机21停止转动，此时目镜组件30正好贴合于佩戴者头部。反之，若传感器61测得压力大于0且位于压力阈值范围内时，控制组件控制驱动组件201工作，使得驱动目镜组件30远离佩戴者头部，直至传感器61测得压力恰好为0或者在某个大于0的阈值范围内时，控制组件控制电机21停止转动，此时目镜组件30正好贴合于佩戴者头部。
本发明提供的头戴式显示设备的调节方法中，通过压力传感器将采集到的压力信息传输至控制组件，述控制组件根据所述压力信息控制驱动组件使得目镜组件沿远离或靠近固定壳体方向移动。实现目镜组件与佩戴者头部距离可调，增强了头戴显示设备的舒适性。
进一步的，本发明一种可能的实现方法中，所述调节方法还包括：
提供一距离传感器，用于将采集到的距离信息传输至控制组件。
所述控制组件根据所述压力信息控制驱动组件步骤中还包括，所述控制组件根据所述压力信息及所述距离信息控制驱动组件。
具体的，压力传感器61及距离传感器62设置于目镜组件30之远离固定壳体10的端面301上，可以理解的是，该目镜组件30之远离固定壳体10的端面301与佩戴者的头部直接接触。压力传感器61用于采集的压力信息，距离传感器62用于采集目镜组件30与头部的距离信息。控制组件用于根据压力传感器61采集的压力信息及距离传感器62采集的距离信息判断目镜组件30与佩戴者头部之间的距离，从而控制驱动组 件工作，使得目镜组件30与头部相贴合。
具体的，在佩戴时，若距离传感器62测得距离大于0(或大于某个距离阈值)，且压力传感器61测得压力为0，则此时目镜组件30未与佩戴者头部接触，控制组件控制电机21转动，电机21转动带动齿轮22转动，齿轮22与齿条23啮合传动，驱动凸台31在容置槽11中移动，驱动目镜组件30贴近佩戴者头部；直至传感器测得距离为0，且压力传感器61测得压力为0时，控制组件控制电机21停止转动，此时目镜组件30正好贴合于佩戴者头部；佩戴过程中，若佩戴者头部前倾，则头部会对设备施加一定压力，压力传感器61测得压力大于0，则控制组件控制电机21反转，电机21转动带动齿轮22转动，齿轮22与齿条23啮合传动，驱动凸台31在容置槽11中反向移动。随动机构驱动目镜组件30沿远离佩戴者头部方向移动；直至传感器测得距离为0，且压力传感器61测得压力为0时，控制组件控制电机21停止转动，此时目镜组件30又正好贴合于佩戴者头部。需要说明的是，在其他实施例中还可以设置目镜组件30正好贴合于佩戴者头部时，压力传感器61感测的压力略大于0，以此时的状态为目镜组件30正好贴合于佩戴者头部状态。也就是说，目镜组件30正好贴合于佩戴者头部，并且与头部之间轻触。目镜组件30正好贴合于佩戴者头部时的压力值可以根据不同人的感受进行个性化设置。此处不加以限定。
以上对本申请实施例进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的方法及其核心思想；同时，对于本领域的一般技术人员，依据本申请的思想，在具体实施方式及应用范围上均会有改变之处，综上，本说明书内容不应理解为对本申请的限制。

Claims (15)

  1. 一种头戴式显示设备，其特征在于，其包括固定壳体、随动机构和目镜组件，所述随动机构包括驱动组件及连接组件，所述连接组件连接所述固定壳体和所述目镜组件，所述驱动组件驱动所述连接组件以使得所述目镜组件沿远离或靠近所述固定壳体方向移动。
  2. 如权利要求1所述的头戴式显示设备，其特征在于，所述连接组件至少包括第一连接件和第二连接件，所述第一连接件与所述第二连接件分置于所述固定壳体及所述目镜组件上，所述驱动组件驱动所述第一连接件在所述第二连接件中移动。
  3. 如权利要求2所述的头戴式显示设备，其特征在于，所述第一连接件为凸台，所述第二连接件为容置槽，所述凸台在所述容置槽中移动。
  4. 如权利要求3所述的头戴式显示设备，其特征在于，所述驱动组件包括电驱动单元、第一驱动件及第二驱动件，所述电驱动单元与所述第一驱动件连接，所述第一驱动件及所述第二驱动件分别固定于所述凸台上和所述容置槽中，所述第一驱动件与所述第二驱动件啮合设置。
  5. 如权利要求1所述的头戴式显示设备，其特征在于，其还包括导向机构，所述导向机构连接于所述固定壳体及所述目镜组件之间，所述导向机构用于限制所述目镜组件的移动方向。
  6. 如权利要求5所述的头戴式显示设备，其特征在于，所述导向机构包括第一导向单元和第二导向单元，所述第一导向单元和所述第二导向单元分别设置于所述目镜组件及所述固定壳体上，所述第一导向单元在所述第二导向单元中移动。
  7. 如权利要求6所述的头戴式显示设备，其特征在于，所述第一导向单元为导柱，所述第二导向单元为导槽。
  8. 如权利要求1-7任意一项所述的头戴式显示设备，其特征在于，所述随动机构还包括控制组件及压力传感器，所述压力传感器设置于所述目镜组件之远离所述固定壳体的端面上，所述控制组件与所述压力传感器及所述驱动组件电性连接，所述控制组件用于根据压力传感器采集的压力信息控制所述驱动组件，使得所述目镜组件与头部相贴合。
  9. 如权利要求8所述的头戴式显示设备，其特征在于，所述随动机构还包括至少一距离传感器，所述控制组件与所述距离传感器及所述驱动组件电性连接，所述控制组件根据距离传感器采集的距离信息控制所述驱动组件。
  10. 如权利要求8所述的头戴式显示设备，其特征在于，所述随动机构包括多个驱动组件和多个压力传感器，所述目镜组件之远离所述固定壳体的端面上包括多个区域，所述压力传感器、所述驱动组件与所述多个区域一一对应，所述控制组件用于根据压力传感器采集的压力信息控制对应的驱动组件，使得所述目镜组件上对应的区域与头部相贴合。
  11. 如权利要求9所述的头戴式显示设备，其特征在于，所述随动机构包括多个所述距离传感器及多个所述压力传感器，所述多个距离传感器及压力传感器均匀分布于所述目镜组件上。
  12. 如权利要求8所述的头戴式显示设备，其特征在于，还包括耳机组件，所述固定壳体向两侧延伸出所述耳机组件。
  13. 如权利要求8所述的头戴式显示设备，其特征在于，所述固定壳体之远离所述目镜组件的端面上延伸出连接杆，所述固定壳体通过所述连接杆连接固定于固定架上。
  14. 一种头戴式显示设备的调节方法，其特征在于，包括
    提供一压力传感器，所述压力传感器将采集到的压力信息传输至控制组件；
    所述控制组件根据所述压力信息控制驱动组件；
    所述驱动组件驱动连接组件以使得目镜组件沿远离或靠近固定壳体方向移动。
  15. 如权利要求14所述的调节方法，其特征在于，所述方法还包括：
    提供一距离传感器，用于将采集到的距离信息传输至控制组件；
    所述控制组件根据所述压力信息控制驱动组件步骤中还包括，所述控制组件根据所述压力信息及所述距离信息控制驱动组件。
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