WO2019033308A1 - 支架及头戴式设备 - Google Patents

支架及头戴式设备 Download PDF

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Publication number
WO2019033308A1
WO2019033308A1 PCT/CN2017/097697 CN2017097697W WO2019033308A1 WO 2019033308 A1 WO2019033308 A1 WO 2019033308A1 CN 2017097697 W CN2017097697 W CN 2017097697W WO 2019033308 A1 WO2019033308 A1 WO 2019033308A1
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WO
WIPO (PCT)
Prior art keywords
angular velocity
bracket
fixing member
sliding portion
rail
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2017/097697
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English (en)
French (fr)
Inventor
付洋
王金周
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Royole Technologies Co Ltd
Original Assignee
Shenzhen Royole Technologies Co Ltd
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.)
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Publication date
Application filed by Shenzhen Royole Technologies Co Ltd filed Critical Shenzhen Royole Technologies Co Ltd
Priority to PCT/CN2017/097697 priority Critical patent/WO2019033308A1/zh
Priority to CN201780092162.4A priority patent/CN110771178A/zh
Publication of WO2019033308A1 publication Critical patent/WO2019033308A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones

Definitions

  • the present invention relates to the field of wearable devices, and in particular to a stand and a head mounted device.
  • the head-mounted device When the user wears the head-mounted device, if the head moves too fast, the head-mounted device will slip, which will also make the head-mounted device slack, causing the user to wear unstable, affecting the user experience, and a greater chance of wearing the device. Shedding occurs during the process and causes damage.
  • Embodiments of the present invention provide a stand and a head mounted device.
  • a bracket for an embodiment of the present invention is for a head mounted device, the bracket comprising:
  • Adjusting a slide rail comprising a slide portion slidably coupled to the rail portion, the rail portion and the sliding portion sliding relative to extend or shorten the bracket, and the rail portion is disposed a plurality of serrated latching positions, wherein the sliding portion is mounted with a spaced first fixing member and a second fixing member, the first fixing member being locked in the serrated latch to fix the rail portion and the a sliding portion, the second fixing member being expandable and contractible with respect to the sliding portion;
  • an angular velocity sensor when the angular velocity sensor senses that the angular velocity of the bracket is greater than or equal to a preset angular velocity, the second fixing member protrudes relative to the sliding portion and is locked in the sawtooth card to fix the The rail portion and the sliding portion are described.
  • the bracket of the embodiment of the present invention can set the preset angular velocity to a value less than or equal to a critical value of the angular velocity when the first fixing member is disengaged from the sawtooth clamping position, and when the first fixing member is separated from the sawtooth clamping position, the second
  • the fixing of the fixing member into the serrated clamping position fixes the sliding portion and the rail portion, thereby effectively preventing the sliding portion and the rail portion from sliding freely, thereby causing the head mounted device to be slack, which helps to enhance the user experience.
  • the second fixture retracts relative to the sliding portion and disengages from the serrated latch.
  • the first fixing member is a spring piece
  • the elastic piece is slidable in a direction in which the plurality of saw teeth are arranged to slide the track portion to be relatively slidable with the sliding portion, the elastic piece
  • the card is disposed in the serrated card to fix the rail portion and the sliding portion relatively.
  • the number of the adjustment rails is two
  • the bracket includes a connecting portion connecting the two rail portions of the two adjustment rails, one of the adjustments a slide rail for supporting the display device, and another of the adjustment slide rails for wearing to the human head, the angular velocity sensor being disposed to support the display device The end of the sliding portion of the adjustment rail.
  • the connecting portion has a circular shape, and when the bracket moves up and down, the end of the sliding portion provided with the angular velocity sensor performs a circular motion in a vertical direction with the center of the connecting portion as a center.
  • the distance between the angular velocity sensor and the center of the circle is r
  • the maximum abutting pressure between the sawtooth of the sawtooth card and the first fixing member is F 0
  • the mass of the display device is m.
  • the angle between the line connecting the display device and the center of the circle and the direction of gravity is ⁇
  • the connecting portion has a circular shape, and when the bracket moves left and right, the end of the sliding portion provided with the angular velocity sensor is circularly moved in a horizontal direction with the center of the connecting portion as a center.
  • the distance between the angular velocity sensor and the center of the circle is r
  • the maximum abutting pressure between the sawtooth of the sawtooth card and the first fixing member is F 0
  • the mass of the display device is m.
  • the preset angular velocity w ⁇ (F 0 /m*r) 1/2 is .
  • the bracket includes a drive element and a controller, the controller connecting the drive element and the angular velocity sensor,
  • the controller is configured to control the driving component to drive the second fixing member to extend and latch relative to the sliding portion when the angular velocity sensor senses that the angular velocity of the bracket is greater than or equal to the predetermined angular velocity In the sawtooth card slot; and when the angular velocity sensor senses that the angular velocity of the bracket is less than the predetermined angular velocity, the controller is configured to control the driving element to be closed to cause the second fixing member to be opposite to The sliding portion is retracted and separated from the serrated card position;
  • the controller is configured to control the driving element to close to extend the second fixing member relative to the sliding portion when the angular velocity sensor senses that an angular velocity of the bracket is greater than or equal to the predetermined angular velocity a card is disposed in the sawtooth card slot; and when the angular velocity sensor senses that the angular velocity of the bracket is less than the predetermined angular velocity, the controller is configured to control the driving component to drive the second fixing component relative to The sliding portion is retracted and separated from the serrated card.
  • the drive element comprises a relay.
  • the second fixture is a rigid member.
  • the predetermined angular velocity is less than or equal to an angular velocity of the bracket when the first fixture is disengaged from the serrated latch.
  • a display device mounted on the bracket.
  • the preset angular velocity may be set to a value less than or equal to a critical value of the angular velocity when the first fixing member is separated from the sawtooth clamping position, when the first fixing member is separated from the sawtooth clamping position.
  • Second fixing member The snap-in serration clamp position fixes the sliding portion and the rail portion, effectively preventing the sliding portion and the rail portion from sliding freely, thereby causing the head-mounted device to be slack, which helps to enhance the user experience.
  • the display device includes a display screen and a lens disposed on the display screen.
  • FIG. 1 is a schematic structural view of a stent according to an embodiment of the present invention.
  • FIG. 2 is a plan view showing the structure of an adjustment slide rail according to an embodiment of the present invention.
  • Fig. 3 is a plan view showing another structure of the adjusting slide rail of the embodiment of the present invention.
  • FIG. 4 is a schematic structural view of a head mounted device according to an embodiment of the present invention.
  • FIG. 5 is another schematic structural view of a head mounted device according to an embodiment of the present invention.
  • Fig. 6 is a schematic block diagram of a stent according to an embodiment of the present invention.
  • Head mounted device 100 bracket 10, adjustment rail 12, rail portion 122, serrated card position 1222, saw tooth 1224, sliding portion 124, first fixing member 1242, second fixing member 1244, angular velocity sensor 14, connecting portion 16, Drive element 17, controller 18, display device 20.
  • the first feature "on” or “under” the second feature may be a direct contact of the first and second features, or the first and second features may be indirectly through an intermediate medium, unless otherwise explicitly stated and defined. contact.
  • the first feature "above”, “above” and “above” the second feature may be that the first feature is directly above or above the second feature, or merely that the first feature level is higher than the second feature.
  • the first feature “below”, “below” and “below” the second feature may be that the first feature is directly below or obliquely below the second feature, or merely that the first feature level is less than the second feature.
  • Bracket 10 for an embodiment of the present invention is used for a head mounted device 100.
  • Bracket 10 includes adjustment Slide rail 12 and angular velocity sensor 14.
  • the adjustment rail 12 includes a sliding portion 124 in which the rail portion 122 and the rail portion 122 are slidably coupled.
  • the rail portion 122 and the sliding portion 124 are relatively slid to extend or shorten the bracket 10, and the rail portion 122 is disposed.
  • the sliding portion 124 is mounted with a spaced first fixing member 1242 and a second fixing member 1244.
  • the first fixing member 1242 is locked in the serrated latch 1222 to fix the rail portion 122 and the sliding portion 124.
  • the second fixing member 1244 is expandable and contractible with respect to the sliding portion 124.
  • the second fixing member 1244 protrudes relative to the sliding portion 124 and is locked in the serrated latch 1222 to fix the rail portion 122 and the sliding portion 124.
  • the bracket 10 of the embodiment of the present invention can set the preset angular velocity to be less than or equal to the value of the angular velocity threshold value when the first fixing member 1242 is disengaged from the sawtooth card position 1222.
  • the two fixing members 1224 are engaged with the serrated latches 1222 to fix the sliding portion 124 and the rail portion 122, thereby effectively preventing the sliding portion 124 and the rail portion 122 from sliding freely, thereby causing the head mounted device 100 to slack, which helps to enhance the user experience.
  • the serrated latch 1222 is formed by a plurality of serrations 1224 being connected.
  • the first fixing member 1242 can slide with the sliding portion 124 relative to the rail portion 122 to cause the first fixing member 1242 to be engaged.
  • the bracket 10 is adjusted to a suitable length within a suitable serration slot 1222. It can be understood that the first fixing member 1242 has a certain elasticity.
  • the sliding portion 124 can slide relative to the rail portion 122 under the action of an external force, and the first fixing member 1242 is pressed by the serration 1224 of the serrated card 1222 when the first fixing member 1242 is moved to the serration.
  • the serrated latch 1222 that is normally inserted between the two serrations 1224 is restored.
  • the centripetal force of the serration 1224 to the first fixing member 1242 is greater than or equal to the critical value of the pressure received when the first fixing member 1242 is pressed and contracted by the serration 1224, and the first fixing member 1242 is disengaged from the serrated position. 1222, the sliding portion 124 is caused to slide relative to the rail portion 122. Therefore, the second fixing member 1244 is provided.
  • the second fixing member 1244 is engaged with the serrated latch 1222 to prevent the sliding portion 124 from sliding relative to the rail portion 122.
  • the second fixture 1244 retracts relative to the sliding portion 124 and disengages from the serrated latch 1222.
  • the sliding portion 124 can be slid relative to the rail portion 122 under the action of an external force to adjust the length of the bracket 10 so that the bracket 10 fits well with the human head without Additional operations are performed on the second fixture 1244.
  • the first fixing member 1242 is a spring piece
  • the elastic piece is slidable in a direction in which the plurality of zigzag latches 1222 are arranged to slide the rail portion 122 and the sliding portion 124 relative to each other.
  • the elastic piece is locked in the serrated card position 1222.
  • the rail portion 122 and the sliding portion 124 are relatively fixed.
  • the first fixing member 1242 slides in the direction in which the plurality of serrations 1222 are arranged, so that when the first fixing member 1242 moves to the serration 1224, it is squeezed and contracted by the serration 1224.
  • the fixing member 1242 moves to the serrated latch 1222 between the two serrations 1224, the serrated latch 1222 that is normally inserted between the two serrations 1224 is restored.
  • the size of the elastic piece cooperates with the serrated position 1222.
  • the first fixing member 1242 is preferably inserted into the serrated latch 1222 to effectively fix the rail portion 122 and the sliding portion 124.
  • the number of the adjusting rails 12 is two
  • the bracket 10 includes a connecting portion 16
  • the connecting portion 16 connects the two rail portions 122 of the two adjusting rails 12 , wherein One adjustment rail 12 is used to support the display device 20, the other adjustment rail 12 is for wearing to the human head, and the angular velocity sensor 14 is disposed at the end of the sliding portion 124 for supporting the adjustment rail 12 of the display device 20.
  • the two adjusting slide rails 12 adjust the length of the bracket 10 in two directions, on the one hand, the bracket 10 and the human head are better matched, and on the other hand, the distance between the display device 20 and the human eye is moderate, so that the bracket 10 wears the head of the human body more stably and improves the user experience.
  • the adjusting slide rail 12 has a semicircular arc shape, and the two adjusting slide rails 16 are connected at both ends of the semicircular arc shape.
  • the bracket 10 When the bracket 10 is worn to the head of the human body, the two connecting portions 16 clamp the two sides of the head, one adjusting rail 12 supports the display device 20 to the front of the human eye, and the other adjusting the sliding rail 12 is for wearing to the human head. Over the top of the head. As such, the stent 10 is stably worn on the head of the human body.
  • the connecting portion 16 can be used to mount an audio component, and when the bracket 10 is worn to the head of the human body, the connecting portion 16 clamps the human ear, and the speaker can be disposed inside the connecting portion 16.
  • the angular velocity sensor 14 may also be disposed at the end of the sliding portion 124 for wearing the slide rail 12 to the human head. It is also possible to provide an angular velocity sensor 14 at each end of the sliding portion 124 of the two slide rails.
  • the connecting portion 16 is circular, and when the bracket 10 is moved up and down, the end of the sliding portion 124 provided with the angular velocity sensor 14 is circularly moved in the vertical direction with the center of the center of the connecting portion 16 as an angle, and the angular velocity sensor 14
  • the distance from the center o is r
  • the maximum pressing force between the sawtooth of the sawtooth card 1222 and the first fixing member 1242 is F 0
  • the mass of the display device 20 is m
  • the center of the circle is connected to the display device 20.
  • the angle between the line and the direction of gravity is ⁇ (as shown in Fig. 4)
  • the preset angular velocity w when the bracket 10 moves up and down is a dynamic value, which varies with the change of the angle ⁇ of the line o to the line connecting the display device 20 and the direction of gravity, so that the preset angular velocity is more accurate, thereby making the second
  • the fixing member 1244 is temporarily inserted into the serrated card position 1222 to fix the sliding portion 124 and the rail portion 122, thereby effectively avoiding the sliding portion 124.
  • the track portion 122 is free to slide, causing the head mounted device 100 to relax.
  • the angle ⁇ between the center of the circle o and the display device 20 and the direction of gravity is greater than ⁇ /2, cos ⁇ is less than 0, and m*g*cos ⁇ is negative.
  • the angle ⁇ between the center of the circle o and the display device 20 and the direction of gravity is less than ⁇ /2 (as shown in FIG. 4), and cos ⁇ is greater than 0, m*g. *cos ⁇ is a positive number.
  • the angle between the center of the circle o and the display device 20 and the direction of gravity is ⁇ ⁇ /2, cos ⁇ is equal to 0, and m*g*cos ⁇ is 0.
  • the preset angular velocity w [(F0-m*g*cos ⁇ )/m*r] 1/2 .
  • the bracket 10 when the bracket 10 is moved in a direction inclined with respect to the vertical plane, the end of the sliding portion 124 provided with the angular velocity sensor 14 is circularly moved with the center o of the center of the connecting portion 16 as a center.
  • the connecting portion 16 is circular, and when the bracket 10 is moved to the left and right, the end of the sliding portion 124 provided with the angular velocity sensor 14 is circled in the horizontal direction with the center of the center of the connecting portion 16 as a center.
  • the distance between the angular velocity sensor 14 and the center o is r
  • the maximum pressing force between the sawtooth of the sawtooth card 1222 and the first fixing member 1242 is F 0
  • the mass of the display device 20 is m
  • the preset angular velocity is w. ⁇ (F 0 /m*r) 1/2 .
  • the preset angular velocity is made accurate, so that the second fixing member 1244 is timely engaged in the serrated latch 1222 to fix the sliding portion 124 and the rail portion 122, thereby effectively preventing the sliding portion 124 and the rail portion 122 from sliding freely, thereby causing the head-mounted type.
  • Device 100 is slack.
  • the preset angular velocity w (F 0 /m*r) 1/2 .
  • the bracket 10 includes a drive member 17 and a controller 18, the controller 18 is coupled to the drive member 17 and an angular velocity sensor 14, and the controller 18 is used for the angular velocity sensor 14
  • the control driving component 17 drives the second fixing member 1244 to protrude relative to the sliding portion 124 and is locked in the serrated latch 1222;
  • the controller 18 is configured to control the driving member 17 to close to retract the second fixture 1244 relative to the sliding portion 124 and to be separated from the serrated latch 1222.
  • controlling the second fixing member 1244 to extend and retract relative to the sliding portion 124 is achieved in a relatively simple manner.
  • the bracket 10 includes a drive member 17 that couples the drive member 17 and an angular velocity sensor 14, and a controller 18 that is used to sense that the angular velocity of the bracket 10 is greater than or equal to a preset when the angular velocity sensor 14 senses At angular velocity, the control drive member 17 is closed to extend the second fixture 1244 relative to the slider 124 and to be latched within the serrated latch 1222;
  • the controller 18 is configured to control the driving component 17 to drive the second fixing member 1244 to retract relative to the sliding portion 124 and to be separated from the serrated latch 1222.
  • the drive element 17 includes a relay.
  • controller 18 it is convenient for the controller 18 to control the relay to drive the second fixing member 1244 to extend relative to the sliding portion 124 and to control the second fixing member 1244 to retract relative to the sliding portion 124.
  • the drive element 17 is not limited to a relay. In other embodiments, other drive elements 17 may be included.
  • the drive element 17 includes a motor and a lead screw, the drive element 17 includes a motor and a gear, and the drive element 17 includes a motor and a belt.
  • the second fixture 1244 is a rigid member.
  • the second fixing member 1244 is prevented from being elastically deformed by the squeezing of the saw teeth 1224 to be disengaged from the serrated latching position 1222, so that the second fixing member 1244 can be stably locked in the serrated latching position 1222.
  • the rigid member is a structural member that does not undergo elastic deformation under the action of an external force or that the elastic deformation can be negligibly small.
  • the predetermined angular velocity is less than or equal to the angular velocity of the stent 10 when the first fixture 1242 is disengaged from the serrated latch 1222.
  • the second fixing member 1244 extends relative to the sliding portion 124 and is locked in the serrated latch 1222.
  • the preset angular velocity may be set equal to the angular velocity of the bracket 10 when the first fixing member 1242 is disengaged from the serrated latch 1222, or may be slightly smaller than the angular velocity of the bracket 10 when the first fixing member 1242 is disengaged from the serrated latch 1222.
  • the preset angular velocity is equal to the angular velocity of the bracket 10 when the first fixing member 1242 is disengaged from the serrated card position 1222.
  • a head mounted device 100 includes the bracket 10 and the display device 20 of any of the above embodiments, and the display device 20 is mounted on the bracket 10 .
  • the preset angular velocity can be set to be less than or equal to the first fixing member.
  • the second fixing member 1244 is engaged with the serrated card position 1222 to fix the sliding portion 124 and the rail portion 122, effectively, when the first fixing member 1242 is disengaged from the serrated card position 1222.
  • Preventing the sliding portion 124 and the rail portion 122 from sliding freely causes the head mounted device 100 to slack, which helps to enhance the user experience.
  • the display device 20 may be a display device 20 capable of displaying a screen such as a mobile phone or a tablet.
  • display device 20 includes a display screen (not shown) and a lens (not shown) disposed on the display screen.
  • the display is used to display an image
  • the lens is used to project the image into the user's visual range, so that the user can see that the image displayed on the display is immersive.
  • the lens may be disposed between the display screen and the human eye, and the human eye views the image displayed on the display screen through the lens.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” and “second” may include at least one feature, either explicitly or implicitly.
  • a plurality means at least two, for example two, three, unless specifically defined otherwise.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

一种支架(10)及包括该支架的头戴式设备(100)。该支架包括调节滑轨(12)和角速度传感器(14)。该调节滑轨包括轨道部(122)和与轨道部滑动连接的滑动部(124)，轨道部和滑动部相对滑动以使支架伸长或缩短，轨道部上设置有多个锯齿卡位(1222)，滑动部上安装有间隔的第一固定件(1242)和第二固定件(1244)，第一固定件卡设在锯齿卡位内以固定轨道部和滑动部，第二固定件可相对于滑动部伸缩。当该角速度传感器感应到支架的角速度大于或等于预设角速度时，第二固定件相对于滑动部伸出并卡设在锯齿卡位内以固定轨道部和滑动部。

Description

支架及头戴式设备 技术领域
本发明涉及可穿戴设备领域，特别涉及一种支架及头戴式设备。
背景技术
当用户佩戴头戴式设备时，如果头部运动过快，头戴式设备会发生滑动，也会使头戴式设备松弛，导致用户佩戴不稳，影响用户体验，更大几率的设备在佩戴过程中发生脱落导致损坏。
发明内容
本发明的实施方式提供了一种支架及头戴式设备。
本发明实施方式的一种支架，用于头戴式设备，所述支架包括：
调节滑轨，所述调节滑轨包括轨道部和所述轨道部滑动连接的滑动部，所述轨道部和所述滑动部相对滑动以使所述支架伸长或缩短，所述轨道部上设置有多个锯齿卡位，所述滑动部上安装有间隔的第一固定件和第二固定件，所述第一固定件卡设在所述锯齿卡位内以固定所述轨道部和所述滑动部，所述第二固定件可相对于所述滑动部伸缩；
角速度传感器，当所述角速度传感器感应到所述支架的角速度大于或等于预设角速度时，所述第二固定件相对于所述滑动部伸出并卡设在所述锯齿卡位内以固定所述轨道部和所述滑动部。
本发明实施方式的支架，可将预设角速度设置为小于或等于第一固定件脱离所述锯齿卡位时的角速度临界值的数值，当第一固定件脱离所述锯齿卡位时，第二固定件卡入锯齿卡位使滑动部和轨道部固定，有效地避免滑动部和轨道部自由滑动而导致头戴式设备松弛，有助于提升用户体验。
在某些实施方式中，当所述角速度传感器感应到所述支架的角速度小于所述预设角速度时，所述第二固定件相对于所述滑动部缩回并脱离所述锯齿卡位。
在某些实施方式中，所述第一固定件为弹片，所述弹片能够沿所述多个锯齿卡位排列的方向滑动以使所述轨道部与所述滑动部相对能够滑动，所述弹片卡设在所述锯齿卡位内以使所述轨道部和所述滑动部相对固定。
在某些实施方式中，所述调节滑轨的数量为两个，所述支架包括连接部，所述连接部连接所述两个调节滑轨的两个所述轨道部，其中一个所述调节滑轨用于支撑显示装置，另一个所述调节滑轨用于佩带至人体头部，所述角速度传感器设置在用于支撑所述显示装置 的所述调节滑轨的所述滑动部的末端。
在某些实施方式中，所述连接部呈圆形，所述支架上下移动时，设置有所述角速度传感器的所述滑动部的末端以连接部的圆心为圆心在竖直方向做圆周运动，所述角速度传感器距所述圆心的距离为r，所述锯齿卡位的锯齿与所述第一固定件之间所能承受的最大抵压力为F0，所述显示装置的质量为m，所述显示装置与所述圆心的连线与重力方向所呈的角度为α，所述预设角速度w≤[(F0-m*g*cosα)/m*r]1/2。
在某些实施方式中，所述连接部呈圆形，所述支架左右移动时，设置有所述角速度传感器的所述滑动部的末端以连接部的圆心为圆心在水平方向做圆周运动，所述角速度传感器距所述圆心的距离为r，所述锯齿卡位的锯齿与所述第一固定件之间所能承受的最大抵压力为F0，所述显示装置的质量为m，所述预设角速度w≤(F0/m*r)1/2。
在某些实施方式中，所述支架包括驱动元件和控制器，所述控制器连接所述驱动元件和所述角速度传感器，
所述控制器用于当所述角速度传感器感应到所述支架的角速度大于或等于所述预设角速度时，控制所述驱动元件驱动所述第二固定件相对于所述滑动部伸出并卡设在所述锯齿卡位内；和当所述角速度传感器感应到所述支架的角速度小于所述预设角速度时，所述控制器用于控制所述驱动元件关闭以使所述第二固定件相对于所述滑动部缩回并与所述锯齿卡位分离；
或
所述控制器用于当所述角速度传感器感应到所述支架的角速度大于或等于所述预设角速度时，控制所述驱动元件关闭以使所述第二固定件相对于所述滑动部伸出并卡设在所述锯齿卡位内；和当所述角速度传感器感应到所述支架的角速度小于所述预设角速度时，所述控制器用于控制所述驱动元件驱动所述第二固定件相对于所述滑动部缩回并与所述锯齿卡位分离。
在某些实施方式中，所述驱动元件包括继电器。
在某些实施方式中，所述第二固定件为刚性件。
在某些实施方式中，所述预设角速度小于或等于所述第一固定件脱离所述锯齿卡位时的所述支架的角速度。
本发明实施方式的一种头戴式设备包括：
上述任一实施方式所述的支架；
显示装置，所述显示装置安装在所述支架上。
本发明实施方式的头戴式设备中，可将预设角速度设置为小于或等于第一固定件脱离所述锯齿卡位时的角速度临界值的数值，当第一固定件脱离所述锯齿卡位时，第二固定件 卡入锯齿卡位使滑动部和轨道部固定，有效地避免滑动部和轨道部自由滑动而导致头戴式设备松弛，有助于提升用户体验。
在某些实施方式中，所述显示装置包括显示屏和设置在显示屏上的镜头。
本发明的实施方式的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本发明的实施方式的实践了解到。
附图说明
本发明的上述和/或附加的方面和优点从结合下面附图对实施方式的描述中将变得明显和容易理解，其中：
图1是本发明实施方式的支架的结构示意图。
图2是本发明实施方式的调节滑轨的结构平面图。
图3是本发明实施方式的调节滑轨的另一结构平面图。
图4是本发明实施方式的头戴式设备的结构示意图。
图5是本发明实施方式的头戴式设备的另一结构示意图。
图6是本发明实施方式的支架的模块示意图。
主要元件符号附图说明：
头戴式设备100，支架10，调节滑轨12，轨道部122，锯齿卡位1222，锯齿1224，滑动部124，第一固定件1242，第二固定件1244，角速度传感器14，连接部16，驱动元件17，控制器18，显示装置20。
具体实施方式
以下结合附图对本发明的实施方式作进一步说明。附图中相同或类似的标号自始至终表示相同或类似的元件或具有相同或类似功能的元件。
另外，下面结合附图描述的本发明的实施方式是示例性的，仅用于解释本发明的实施方式，而不能理解为对本发明的限制。
在本发明中，除非另有明确的规定和限定，第一特征在第二特征“上”或“下”可以是第一和第二特征直接接触，或第一和第二特征通过中间媒介间接接触。而且，第一特征在第二特征“之上”、“上方”和“上面”可是第一特征在第二特征正上方或斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”可以是第一特征在第二特征正下方或斜下方，或仅仅表示第一特征水平高度小于第二特征。
请参阅图1，本发明实施方式的一种支架10，用于头戴式设备100。支架10包括调节 滑轨12和角速度传感器14。
请参阅图2及图3，调节滑轨12包括轨道部122和轨道部122滑动连接的滑动部124，轨道部122和滑动部124相对滑动以使支架10伸长或缩短，轨道部122上设置有多个锯齿卡位1222，滑动部124上安装有间隔的第一固定件1242和第二固定件1244，第一固定件1242卡设在锯齿卡位1222内以固定轨道部122和滑动部124，第二固定件1244可相对于滑动部124伸缩。
当角速度传感器14感应到支架10的角速度大于或等于预设角速度时，第二固定件1244相对于滑动部124伸出并卡设在锯齿卡位1222内以固定轨道部122和滑动部124。
本发明实施方式的支架10，可将预设角速度设置为小于或等于第一固定件1242脱离锯齿卡位1222时的角速度临界值的数值，当第一固定件1242脱离锯齿卡位1222时，第二固定件1244卡入锯齿卡位1222使滑动部124和轨道部122固定，有效地避免滑动部124和轨道部122自由滑动而导致头戴式设备100松弛，有助于提升用户体验。
具体地，锯齿卡位1222由多个锯齿1224连接而形成。在支架10的角速度大于或等于预设角速度时，或124受到外力向远离122的方向拉时，第一固定件1242可随滑动部124相对于轨道部122滑动以使第一固定件1242卡设在合适在的锯齿卡位1222内以将支架10调整为合适的长度。可以理解，第一固定件1242具有一定弹性。如此，当作用在滑动部124的外力大于一定值时，滑动部124在外力作用下可相对于轨道部122滑动，第一固定件1242移动到锯齿时会被锯齿卡位1222的锯齿1224挤压收缩，第一固定件1242移动至两个锯齿1224之间时恢复原状卡设在两个锯齿1224之间的锯齿卡位1222。
请参阅图1、图4及图5，当支架10佩带至人体头部时，人体头部点头、抬头或左右晃动时，会使得支架10绕o点做圆周运动。第一固定件1242卡设在锯齿卡位1222内时，人体头部点头、抬头或左右晃动，远离圆心o一侧的锯齿1224对第一固定件1242提供向心力，当支架10的角速度大于或等于预设角速度时，锯齿1224对第一固定件1242的向心力大于或等于第一固定件1242会被锯齿1224挤压收缩时的所受的压力的临界值，第一固定件1242会脱离锯齿卡位1222，使得滑动部124相对于轨道部122滑动。因此设置第二固定件1244，当支架10的角速度大于预设角速度时，第二固定件1244卡入锯齿卡位1222，以避免滑动部124相对于轨道部122滑动。
在某些实施方式中，当角速度传感器14感应到支架10的角速度小于预设角速度时，第二固定件1244相对于滑动部124缩回并脱离锯齿卡位1222。
如此，支架10的角速度小于预设角速度时，仍然可以在外力的作用下，使滑动部124相对于轨道部122滑动以调节支架10的长度使得支架10与人体头部较好地配合，而无需对第二固定件1244作额外的操作。
在某些实施方式中，第一固定件1242为弹片，弹片能够沿多个锯齿卡位1222排列的方向滑动以使轨道部122与滑动部124相对能够滑动，弹片卡设在锯齿卡位1222内以使轨道部122和滑动部124相对固定。
如此，滑动部124相对于轨道部122滑动时，第一固定件1242沿多个锯齿卡位1222排列的方向滑动，使得第一固定件1242移动到锯齿1224时会被锯齿1224挤压收缩，第一固定件1242移动至两个锯齿1224之间的锯齿卡位1222时恢复原状卡设在两个锯齿1224之间的锯齿卡位1222。
具体地，弹片处于自然状态下时，弹片的尺寸与锯齿卡位1222配合。如此，使得第一固定件1242较好地卡设在锯齿卡位1222内，有效地固定轨道部122和滑动部124。
请参阅图4及图5，在某些实施方式中，调节滑轨12的数量为两个，支架10包括连接部16，连接部16连接两个调节滑轨12的两个轨道部122，其中一个调节滑轨12用于支撑显示装置20，另一个调节滑轨12用于佩带至人体头部，角速度传感器14设置在用于支撑显示装置20的调节滑轨12的滑动部124的末端。
如此，两个调节滑轨12调节支架10两个方向的长度，一方面，使支架10和人体头部更好地配合，另一方面，使显示装置20与人眼的距离适中，从而使支架10更加稳定地佩带在人体头部和提高用户体验。
具体地，调节滑轨12呈半圆弧形，两个调节滑轨16连接在半圆弧形的两端。当支架10佩带至人体头部时，两个连接部16夹紧头部两侧，一个调节滑轨12支撑显示装置20至人眼前方，另一个调节滑轨12用于佩带至人体头部的头顶。如此，支架10稳定地佩带在人体头部。
连接部16可用于安装音频组件，当支架10佩带至人体头部时，连接部16夹紧人耳，可将扬声器设置在连接部16内侧。
进一步地，角速度传感器14也可以设置在用于佩带至人体头部的滑轨12的滑动部124的末端。还可以在两个滑轨的滑动部124的末端各设置一个角速度传感器14。
在某些实施方式中，连接部16呈圆形，支架10上下移动时，设置有角速度传感器14的滑动部124的末端以连接部16的圆心o为圆心在竖直方向做圆周运动，角速度传感器14距圆心o的距离为r，锯齿卡位1222的锯齿与第一固定件1242之间所能承受的最大抵压力为F0，显示装置20的质量为m，圆心o至显示装置20的连线与重力方向所呈的角度为α(如图4所示)，预设角速度w≤[(F0-m*g*cosα)/m*r]1/2。
如此，支架10上下移动时的预设角速度w为动态值，随圆心o至显示装置20的连线与重力方向所呈的角度α的变化而变化，使得预设角速度更加准确，从而使得第二固定件1244及时地卡入锯齿卡位1222内使滑动部124和轨道部122固定，有效地避免滑动部124 和轨道部122自由滑动而导致头戴式设备100松弛。
可以理解，当显示装置20位于圆心o所在的水平面的上方时，圆心o至显示装置20的连线与重力方向所呈的角度α大于π/2，cosα小于0，m*g*cosα为负数。当显示装置20位于圆心o所在的水平面的下方时，圆心o至显示装置20的连线与重力方向所呈的角度α小于π/2(如图4所示)，cosα大于0，m*g*cosα为正数。当显示装置20位于圆心o所在的水平面上时，圆心o至显示装置20的连线与重力方向所呈的角度为α为π/2，cosα等于0，m*g*cosα为0。
具体地，支架10上下移动时的预设角速度w为小于或等于[(F0-m*g*cosα)/m*r]1/2的任意值，例如可设置预设角速度w＝[(F0-m*g*cosα)/m*r]1/2、w＝0.9*[(F0-m*g*cosα)/m*r]1/2或w＝0.8*[(F0-m*g*cosα)/m*r]1/2等。
本发明实施方式中，预设角速度w＝[(F0-m*g*cosα)/m*r]1/2。
进一步地，当支架10在相对于竖直面倾斜的方向移动时，设置有角速度传感器14的滑动部124的末端以连接部16的圆心o为圆心做圆周运动。此时预设角速度仍然为w＝[(F0-m*g*cosα)/m*r]1/2。
请参阅图5，在某些实施方式中，连接部16呈圆形，支架10左右移动时，设置有角速度传感器14的滑动部124的末端以连接部16的圆心o为圆心在水平方向做圆周运动，角速度传感器14距圆心o的距离为r，锯齿卡位1222的锯齿与第一固定件1242之间所能承受的最大抵压力为F0，显示装置20的质量为m，预设角速度w≤(F0/m*r)1/2。
如此，使得预设角速度准确，从而使得第二固定件1244及时地卡入锯齿卡位1222使滑动部124和轨道部122固定，有效地避免滑动部124和轨道部122自由滑动而导致头戴式设备100松弛。
可以理解，支架10左右移动时，圆心o至显示装置20的连线与重力方向所呈的角度α为π/2，cosα为0，因此w≤(F0/m*r)1/2。
具体地，预设角速度w为小于或等于(F0/m*r)1/2的任意值，例如可设置预设角速度w＝(F0/m*r)1/2、w＝0.9*(F0/m*r)1/2或w＝0.8*(F0/m*r)1/2等。
本发明实施方式中，支架10左右移动时，预设角速度w＝(F0/m*r)1/2。
请参阅图2、图3及图6，在某些实施方式中，支架10包括驱动元件17和控制器18，控制器18连接驱动元件17和角速度传感器14，控制器18用于当角速度传感器14感应到支架10的角速度大于或等于预设角速度时，控制驱动元件17驱动第二固定件1244相对于滑动部124伸出并卡设在锯齿卡位1222内；和
当角速度传感器14感应到支架10的角速度小于预设角速度时，控制器18用于控制驱动元件17关闭以使第二固定件1244相对于滑动部124缩回并与锯齿卡位1222分离。
如此，以较简单的方式实现控制第二固定件1244相对于滑动部124伸出和缩回。
在某些实施方式中，支架10包括驱动元件17和控制器18，控制器18连接驱动元件17和角速度传感器14，控制器18用于当角速度传感器14感应到支架10的角速度大于或等于预设角速度时，控制驱动元件17关闭以使第二固定件1244相对于滑动部124伸出并卡设在锯齿卡位1222内；和
当角速度传感器14感应到支架10的角速度小于预设角速度时，控制器18用于控制驱动元件17驱动第二固定件1244相对于滑动部124缩回并与锯齿卡位1222分离。
在某些实施方式中，驱动元件17包括继电器。
如此，便于控制器18控制继电器驱动第二固定件1244相对于滑动部124伸出和控制第二固定件1244相对于滑动部124缩回。
当然，驱动元件17不限于继电器，在其他实施方式中，也可以为其他驱动元件17，例如驱动元件17包括电机和丝杆，驱动元件17包括电机和齿轮，驱动元件17包括电机和皮带等。
在某些实施方式中，第二固定件1244为刚性件。
如此，避免第二固定件1244在锯齿1224的挤压下发生弹性形变而脱离锯齿卡位1222，保证第二固定件1244可以稳定地卡设在锯齿卡位1222内。当支架10佩带至人体头部时，人体头部运动时，滑动部124和轨道部122不会相对滑动，使支架10可以较好地佩带在人体头部，不会松动。
可以理解，刚性件为在外力作用下不会发生弹性形变或者弹性形变可以小到忽略不计的结构件。
在某些实施方式中，预设角速度小于或等于第一固定件1242脱离锯齿卡位1222时的支架10的角速度。
如此，当支架10的角速度大于或等于第一固定件1242脱离锯齿卡位1222时的支架10的临界角速度时，第二固定件1244相对于滑动部124伸出并卡设在锯齿卡位1222内以固定轨道部122和滑动部124，避免轨道部122相对于滑动部124滑动导致支架10松动。
可以理解，预设角速度可以设置为等于第一固定件1242脱离锯齿卡位1222时的支架10的角速度，也可以略小于第一固定件1242脱离锯齿卡位1222时的支架10的角速度。
本发明实施方式中，预设角速度等于第一固定件1242脱离锯齿卡位1222时的支架10的角速度。
请参阅图4及图5，本发明实施方式的一种头戴式设备100包括上述任一实施方式的支架10和显示装置20，显示装置20安装在支架10上。
本发明实施方式的头戴式设备100中，可将预设角速度设置为小于或等于第一固定件 1242脱离锯齿卡位1222时的角速度临界值的数值，当第一固定件1242脱离锯齿卡位1222时，第二固定件1244卡入锯齿卡位1222使滑动部124和轨道部122固定，有效地避免滑动部124和轨道部122自由滑动而导致头戴式设备100松弛，有助于提升用户体验。
显示装置20可以是手机、平板电脑等能够显示画面的显示装置20。
在某些实施方式中，显示装置20包括显示屏(图未示)和设置在显示屏上的镜头(图未示)。
如此，显示屏用于显示图像，镜头用于将图像投射至用户的视觉范围内，使用户可以看到显示屏显示的图像带有沉浸感。
具体地，镜头可设置于显示屏与人眼之间，人眼通过镜头观看显示屏显示的图像。
在本说明书的描述中，参考术语“某些实施方式”、“一个实施方式”、“一些实施方式”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个特征。在本发明的描述中，“多个”的含义是至少两个，例如两个，三个，除非另有明确具体的限定。
尽管上面已经示出和描述了本发明的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本发明的限制，本领域的普通技术人员在本发明的范围内可以对上述实施例进行变化、修改、替换和变型，本发明的范围由权利要求及其等同物限定。

Claims (12)

  1. 一种支架，用于头戴式设备，其特征在于，所述支架包括：
    调节滑轨，所述调节滑轨包括轨道部和所述轨道部滑动连接的滑动部，所述轨道部和所述滑动部相对滑动以使所述支架伸长或缩短，所述轨道部上设置有多个锯齿卡位，所述滑动部上安装有间隔的第一固定件和第二固定件，所述第一固定件卡设在所述锯齿卡位内以固定所述轨道部和所述滑动部，所述第二固定件可相对于所述滑动部伸缩；
    角速度传感器，当所述角速度传感器感应到所述支架的角速度大于或等于预设角速度时，所述第二固定件相对于所述滑动部伸出并卡设在所述锯齿卡位内以固定所述轨道部和所述滑动部。
  2. 根据权利要求1所述的支架，其特征在于，当所述角速度传感器感应到所述支架的角速度小于所述预设角速度时，所述第二固定件相对于所述滑动部缩回并脱离所述锯齿卡位。
  3. 根据权利要求1所述的支架，其特征在于，所述第一固定件为弹片，所述弹片能够沿所述多个锯齿卡位排列的方向滑动以使所述轨道部与所述滑动部相对能够滑动，所述弹片卡设在所述锯齿卡位内以使所述轨道部和所述滑动部相对固定。
  4. 根据权利要求1所述的支架，其特征在于，所述调节滑轨的数量为两个，所述支架包括连接部，所述连接部连接所述两个调节滑轨的两个所述轨道部，其中一个所述调节滑轨用于支撑显示装置，另一个所述调节滑轨用于佩带至人体头部，所述角速度传感器设置在用于支撑所述显示装置的所述调节滑轨的所述滑动部的末端。
  5. 根据权利要求4所述的支架，其特征在于，所述连接部呈圆形，所述支架上下移动时，设置有所述角速度传感器的所述滑动部的末端以连接部的圆心为圆心在竖直方向做圆周运动，所述角速度传感器距所述圆心的距离为r，所述锯齿卡位的锯齿与所述第一固定件之间所能承受的最大抵压力为F0，所述显示装置的质量为m，所述圆心至所述显示装置的连线与重力方向所呈的角度为α，所述预设角速度w≤[(F0-m*g*cosα)/m*r]1/2。
  6. 根据权利要求4所述的支架，其特征在于，所述连接部呈圆形，所述支架左右移动时，设置有所述角速度传感器的所述滑动部的末端以连接部的圆心为圆心在水平方向做圆周运动，所述角速度传感器距所述圆心的距离为r，所述锯齿卡位的锯齿与所述第一固定件之间所能承受的最大抵压力为F0，所述显示装置的质量为m，所述预设角速度w≤(F0/m*r)1/2。
  7. 根据权利要求1所述的支架，其特征在于，所述支架包括驱动元件和控制器，所述控制器连接所述驱动元件和所述角速度传感器，
    所述控制器用于当所述角速度传感器感应到所述支架的角速度大于或等于所述预设角 速度时，控制所述驱动元件驱动所述第二固定件相对于所述滑动部伸出并卡设在所述锯齿卡位内；和当所述角速度传感器感应到所述支架的角速度小于所述预设角速度时，所述控制器用于控制所述驱动元件关闭以使所述第二固定件相对于所述滑动部缩回并与所述锯齿卡位分离；
    或
    所述控制器用于当所述角速度传感器感应到所述支架的角速度大于或等于所述预设角速度时，控制所述驱动元件关闭以使所述第二固定件相对于所述滑动部伸出并卡设在所述锯齿卡位内；和当所述角速度传感器感应到所述支架的角速度小于所述预设角速度时，所述控制器用于控制所述驱动元件驱动所述第二固定件相对于所述滑动部缩回并与所述锯齿卡位分离。
  8. 根据权利要求7所述的支架，其特征在于，所述驱动元件包括继电器。
  9. 根据权利要求1所述的支架，其特征在于，所述第二固定件为刚性件。
  10. 根据权利要求1所述的支架，其特征在于，所述预设角速度小于或等于所述第一固定件脱离所述锯齿卡位时的所述支架的角速度。
  11. 一种头戴式设备，其特征在于，包括：
    权利要求1-10任一项所述的支架；
    显示装置，所述显示装置安装在所述支架上。
  12. 根据权利要求11所述的头戴式设备，其特征在于，所述显示装置包括显示屏和设置在显示屏上的镜头。
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