WO2019000556A1 - 头戴式显示设备 - Google Patents
头戴式显示设备 Download PDFInfo
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- WO2019000556A1 WO2019000556A1 PCT/CN2017/095667 CN2017095667W WO2019000556A1 WO 2019000556 A1 WO2019000556 A1 WO 2019000556A1 CN 2017095667 W CN2017095667 W CN 2017095667W WO 2019000556 A1 WO2019000556 A1 WO 2019000556A1
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- head
- mounted display
- display device
- air
- lens
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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
Definitions
- the present invention relates to the field of display device technologies, and in particular, to a head mounted display device.
- the virtual display technology is virtualized into the real world through devices such as computers or mobile terminals, and projected onto the human retina through the display screen and the visual system.
- the essence is to present a user's perspective as the main body, and can observe the objects in the three-dimensional space in real time without restriction, and give the user an immersive experience.
- Virtual display technology has been widely used in entertainment, military training, medical training, product 3D virtual display and other fields.
- the lens part is required to have a good sealing property, which causes the user to wear a head-mounted display product for a long time, the user's face is stuffy, and it is easy to sweat and emit heat, resulting in an increase in humidity in the air, which is hotter. When moisture contacts the lower temperature lens, it is easy to fog and fog in the lens, which ultimately affects the user's viewing experience.
- the present invention provides a head-mounted display device, comprising: a lens body, an optical component, and a heat dissipation fan; the lens body includes a receiving space, and the optical component is disposed in the receiving space to separate the receiving space into a first a receiving cavity and a second receiving cavity for mating with the wearer; the optical component is provided with a wind guiding portion, and the heat dissipating fan is disposed in the first receiving cavity and is opposite to the air guiding portion Location correspondence Settings.
- the optical component includes a spectacle cover and a lens mounted on the spectacle cover, the spectacle cover separates the receiving space to form the first receiving cavity and the second receiving cavity, and the air guiding part Provided in the eyeglass cover.
- the spectacle cover includes a lens mounting portion for mounting the lens, and the air guiding portion is located above the lens mounting portion.
- the two lenses are respectively mounted on the two lenses.
- the two air guiding portions are respectively located above the two lens mounting portions, and the two cooling fans are respectively disposed corresponding to the positions of the two air guiding portions.
- the air guiding portion includes a plurality of air guiding holes, and the plurality of air guiding holes are spaced apart.
- the plurality of air guiding holes are arranged in an array in a lateral direction and a longitudinal direction.
- the heat dissipation fan includes an air inlet and an air outlet, and the air inlet is in communication with the air guiding portion and is consistent.
- the cooling fan is a shaft exhaust fan, and an air outlet direction of the air outlet is perpendicular to an air inlet direction of the air inlet, and an air guiding direction of the air guiding portion is perpendicular to a mirror direction of the lens. .
- a heating element is disposed in the first receiving cavity, and the air outlet is disposed toward the heating element.
- the heating element is provided with a mounting structure, and the heat dissipation fan is disposed on the mounting structure.
- a damping pad is disposed between the cooling fan and the mounting structure.
- the cushion is a sponge mat.
- the head mounted display device further includes a wearing portion, and the wearing portion is detachably coupled to the glasses main body.
- the head mounted display device is VR glasses, AR glasses or FPV glasses.
- the second receiving cavity of the lens body forms a relatively closed space, and when the wearer sweats, the humidity in the air in the sealed space increases, and the heat is dissipated.
- the fan and the air guiding portion opened on the optical component cooperate with the air to convect the air in the sealed space to prevent heat dissipation, so as to prevent the hot moisture from coming into contact with the lower temperature lens in the lens. Water vapor is generated to ensure the user's viewing experience.
- the convective air can also promote the air circulation of the wearer's face, ensuring that the user maintains good comfort.
- FIG. 1 is a perspective view of a head mounted display device according to an embodiment of the invention.
- FIG. 2 is a schematic plan view of a head mounted display device according to an embodiment of the invention.
- FIG 3 is a half cross-sectional view of a head mounted display device according to an embodiment of the invention.
- FIG. 4 is a simplified schematic diagram showing a connection relationship between a lens main body and a spectacle cover of a head mounted display device according to an embodiment of the invention.
- FIG. 5 is a perspective view of another head mounted display device according to an embodiment of the invention.
- the words “a” or “an” and the like do not denote a quantity limitation, but mean that there is at least one. Unless otherwise indicated, the terms “front”, “rear”, “lower” and/or “upper” are used for convenience of description and are not limited to one location or one spatial orientation.
- the words “connected” or “connected” and the like are not limited to physical or mechanical connections, and may include electrical connections, whether direct or indirect.
- the present invention provides a head-mounted display device in view of the problem that the user is prone to sweating after wearing the head-mounted display product for a long time, causing fog on the lens and affecting the user's viewing experience.
- the head-mounted display device of the present invention will be described in detail below with reference to the accompanying drawings. The features of the embodiments and embodiments described below may be combined with each other without conflict.
- a head-mounted display device includes: a lens body 10 , an optical component 200 , and a heat dissipation fan 40 .
- the spectacles body 10 includes a accommodating space.
- the optical component 200 is disposed in the accommodating space, and the accommodating space is partitioned to form a first receiving cavity 110 and a second receiving cavity 120 for wearing with the wearer.
- the optical component 200 is provided with a wind guiding portion 310.
- the cooling fan 40 is disposed in the first receiving cavity 110 and is disposed corresponding to the position of the air guiding portion 310.
- the optical component 200 includes a spectacle cover 30 and a lens 20 mounted on the spectacle cover 30, the spectacle cover 30 partitions the receiving space to form the first receiving cavity 110 and the second receiving cavity 120, and the air guiding portion 310 is opened in the eyeglass cover 30.
- the head-mounted display device of the present invention when used by the wearer, forms a relatively closed space with the second receiving cavity 120 of the lens main body 10, which causes a sealed space when the wearer sweats.
- the humidity in the air is increased, and the air is blown by the heat dissipation fan 40 and the air guiding portion 310 formed on the eyeglass cover 30 of the optical component 200.
- the air in the confined space is convected to dissipate heat, and the hot air is prevented from coming into contact with the lower temperature lens 20 due to sultry heat, and moisture or mist is generated on the lens 20 to ensure the user's viewing experience.
- the convective air generated in the confined space can also promote the air circulation of the wearer's face, ensuring that the user maintains good comfort.
- one end of the eyeglass main body 10 is provided with an opening, and the eyeglass cover 30 of the optical component 200 and the eyeglass main body 10 are not provided.
- the housing portions 101, 102, 103 forming one side of the opening collectively enclose the first receiving cavity 110, the eyeglass cover 30 of the optical component 200 and the housing portion of the eyeglass main body 10 on the side of the opening 104, 105 are collectively enclosed to form the second receiving cavity 120.
- the lens main body 10 is provided with a ring wearing portion 130 and a nose portion 140 formed on the outer circumference of the second receiving cavity 120 at the end of the housing portion 104, 105 on the side where the opening is formed, and the nose portion 140 formed on the wearing portion 130.
- the wearing portion 130 is configured to fit the wearer's face
- the nose pad portion is configured to be engaged with the wearer's nose
- the wearer's face and the second receiving cavity 120 form a relatively closed space to ensure that light leakage does not occur when the user views.
- Electronic components (such as a circuit board, a battery, a processing board, etc.) provided in the head mounted display device may be disposed in the first receiving cavity 110.
- the mounting positions of the electronic components need to avoid the viewing of the lens 20.
- the range of viewing angles not only ensures the overall appearance and normal operation requirements of the head-mounted display device, but also does not image to the normal viewing experience of the user.
- the outer peripheral surface of the wearing portion 130 is further provided with a mask (like a gasket) for attaching to the wearer's face for the wearer to wear.
- a mask like a gasket
- the outer peripheral surface of the wearing portion 130 is provided with a plurality of mounting holes for mounting the mask.
- the mask includes, but is not limited to, a foam-like mask to improve the comfort of the wearer when worn.
- the eyeglass cover 30 of the optical component 200 includes a lens mounting portion 320 for mounting the lens 20 for better alignment around the eye position that is prone to sweating due to sultry heat.
- the heat dissipating effect is that the position of the air guiding portion 310 disposed on the spectacle cover 30 is located above the lens mounting portion 320. This not only images the user's normal viewing experience, but also enhances the air flow around the user's eyes. It provides a better heat dissipation effect around the eye position which is easy to sweat due to sultry heat, and prevents moisture or mist from being generated on the lens 20.
- the lens mounting portion 320 is two
- the air guiding portion 310 is two
- the cooling fan 40 is two.
- the two lens segments 20 are respectively disposed on the two lens mounting portions 320.
- the positions of the two air guiding portions 310 disposed on the eyeglass cover 30 are respectively located above the two lens mounting portions 320.
- the positions of the two heat dissipation fans 40 disposed in the first receiving cavity 110 are respectively corresponding to the positions of the two air guiding portions 310.
- the normal viewing experience of the user is not imaged, and the air flow around the eyes of the user can be enhanced, and the heat dissipation effect around the eyes of the user is better, and water vapor or mist is prevented from being generated on the lens 20.
- the air guiding portion 310 may include a plurality of air guiding holes 311, and the plurality of air guiding holes 311 are spaced apart.
- the plurality of air guiding holes 311 provided at intervals can disperse the air flow in the sealed space, improve the fluidity of the air, and prevent excessive light leakage in the eyeglass cover 30 to cause light leakage.
- the plurality of air guiding holes 311 are arranged in an array in the lateral direction and the longitudinal direction (ie, the longitudinal direction and the width direction of the eyeglass cover 30), thereby improving the fluidity of the air along the lateral range and the longitudinal range of the eyeglass cover 30, further preventing Moisture or mist is generated on the lens 20.
- the heat dissipation fan 40 includes an air inlet 410 and an air outlet 420 , and the air inlet 410 communicates with the air guiding portion 310 of the eyeglass cover 30 . Consistently, the air in the sealed space is led to the cooling fan 40 by the cooperation of the air guiding portion 310 and the air inlet 410 of the cooling fan 40.
- the cooling fan 40 is an axial fan, the air outlet direction of the air outlet 420 (shown in the Y direction in FIG. 3) and the air inlet direction of the air inlet 410 (as shown in FIG. 3). The vertical direction is shown in the X direction. As can be seen from FIG.
- the air guiding direction of the air guiding portion 310 is perpendicular to the mirror direction of the lens 20, that is, through the air guiding portion 310 and the heat dissipation.
- the air inlet 410 of the fan 40 cooperates to allow the air in the sealed space to flow laterally to the cooling fan 40, and then the airflow is discharged from the air outlet 420 in the longitudinal direction by the cooling fan 40, as indicated by the direction of the arrow in FIG. Therefore, the cooling fan 40 employs a shaft exhaust fan, which can effectively enhance the convection of air.
- said A plurality of exhaust holes may be provided in the housing of the lens main body 10 with respect to the air outlet 420 of the heat dissipation fan 40, so that the air discharged from the heat dissipation fan 40 is discharged from the lens main body 10 by the exhaust holes, thereby further promoting air circulation.
- the electronic component of the head mounted display device includes a heating element 50 such as a circuit board, a battery, and the like, and the heating element is disposed in the first receiving cavity 110, and the cooling fan 40
- the air outlet 420 is disposed toward the heat generating element 50.
- the heat-generating elements 50 dissipate a large amount of heat, so that the air outlet 420 of the heat-dissipating fan 40 is disposed toward the heat-generating element 50, and the airflow discharged from the air outlet 420 of the heat-dissipating fan 40
- the heat generating element 50 can be blown to heat the heat generating element 50. That is, the cooling fan 40 can not only increase the flow of air in the sealed space to prevent the hot moisture from coming into contact with the lower temperature lens 20 due to the sultry heat, but also to generate heat or heat for the heating element 50.
- a mounting structure is disposed on the heating element 50, and the cooling fan 40 is disposed on the mounting structure to facilitate heat dissipation of the heating element 50.
- the heat dissipation fan 40 is disposed below the heat generating component 50, so that the air discharged from the air outlet 420 can directly dissipate heat from the heat generating component 50.
- the cooling fan 40 generates a certain degree of noise and vibration during operation.
- a cushion 60 is disposed between the cooling fan 40 and the mounting structure to help reduce heat dissipation. The noise and vibration of the fan 40 during operation.
- the cushion 60 is made of, but not limited to, a sponge pad.
- the sponge pad can be made of a material having high air permeability, and does not affect the air exhausting effect of the heat dissipation fan 40. Of course, other matte and softer materials can be used instead of the sponge mat.
- the head mounted display device further includes a wearing portion 70, and the wearing portion 70 is detachably coupled to the lens body 10 for mating with the The wearing portion 130 fixes the eyeglass main body 10 to the wearer.
- the headgear 70 is placed over the head, and the wearing portion 130 is attached to the face to fix the head-mounted display device.
- the lens body 10 is provided with a plug portion 150 for connecting the head portion 70, and the head portion 70 is provided with a connector that is mated with the plug portion 150.
- the wearing portion 70 is detachably coupled to the eyeglass main body 10 for convenient storage.
- a recess or a snap hole that is snap-fitted with the connector may be provided on the plug portion 150 of the lens main body 10, and an elastic button may be disposed on the connector of the head portion 70.
- the insertion button can be withdrawn from the insertion portion 150 of the eyeglass main body 10 by pressing the elastic button, thereby the head portion 70 and the eyeglass body 10 Separation.
- the insertion portion 150 is disposed at the top of the eyeglass main body 10 to facilitate use with the head worn portion 70.
- the head mounted display device is VR (Virtual Reality) glasses, AR (Augmented Reality) glasses, or FPV (First Person View) glasses.
- VR Virtual Reality
- AR Augmented Reality
- FPV First Person View
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Abstract
一种头戴式显示设备，包括眼镜主体（10）、镜片（20）、光学部件（200）以及散热风扇（40）。光学部件（200）设置于眼镜主体（10）的收容空间内，将收容空间分隔形成第一收容腔（110）和第二收容腔（120）。光学部件（200）上设有导风部（310），散热风扇（40）设置于第一收容腔（110）内，并与导风部（310）的位置对应设置。佩戴者使用时面部与第二收容腔（120）共同形成一个相对密闭的空间，当佩戴者出汗后会导致密闭的空间内空气中的湿度增加，通过散热风扇（40）和开设于光学部件（200）上的导风部（310）配合抽风，使密闭的空间内的空气形成对流起到散热的作用，以避免造成水汽附着到镜片（20）上，起到防止镜片（20）起雾的效果。
Description
本发明涉及显示设备技术领域，特别涉及一种头戴式显示设备。
虚拟显示技术是通过计算机或移动终端等设备虚拟出现实世界，通过显示屏和目视系统投射到人眼视网膜。其本质就是呈现一个以使用者视角为主体，可以实时无限制地观察三维空间内的物体，给使用者沉浸感体验。虚拟显示技术已经广泛应用在娱乐，军事训练，医疗培训、产品三维虚拟展示等多个领域。
用户通常借助头戴式显示产品(例如VR眼镜)来观看由虚拟现实技术而产生的逼真画面。然而，目前大多数的头戴式显示产品，尤其是有户外使用情景的头戴式显示产品，不管是在常温还是高温天气，由于头戴式显示产品在佩戴时为保证观看的体验，不能漏光，要求眼镜部分的密封性较好，这就导致使用者在长时间佩戴头戴显示产品后，使用者脸部闷热，很容易出汗和散发出热量，导致空气中的湿度增加，较热的湿气接触到温度较低的镜片后，容易在镜片起雾和产生雾气，最终影响用户的观看体验。
发明内容
本发明提供一种头戴式显示设备，包括：眼镜主体、光学部件以及散热风扇；所述眼镜主体包括收容空间，所述光学部件设置于所述收容空间内，将所述收容空间分隔形成第一收容腔和用于与佩戴者佩戴配合的第二收容腔；所述光学部件上设有导风部，所述散热风扇设置于所述第一收容腔内，并与所述导风部的位置对应
设置。
进一步地，所述光学部件包括眼镜罩和装设于所述眼镜罩的镜片，所述眼镜罩将所述收容空间分隔形成所述第一收容腔和所述第二收容腔，所述导风部设于所述眼镜罩。
进一步地，所述眼镜罩包括用于装设所述镜片的镜片安装部，所述导风部位于所述镜片安装部的上方。
进一步地，所述镜片为两个，所述镜片安装部为两个，所述导风部为两个，所述散热风扇为两个；所述两个镜片分别装设于所述两个镜片安装部，所述两个导风部分别位于所述两个镜片安装部的上方，所述两个散热风扇分别与所述两个导风部的位置对应设置。
进一步地，所述导风部包括多个导风孔，所述多个导风孔间隔设置。
进一步地，所述多个导风孔沿横向及纵向呈阵列布设。
进一步地，所述散热风扇包括进风口和出风口，所述进风口与所述导风部相连通并保持一致。
进一步地，所述散热风扇为轴抽风扇，所述出风口的出风方向与所述进风口的进风方向垂直设置，所述导风部的导风方向与所述镜片的镜面方向垂直设置。
进一步地，所述第一收容腔内设有发热元件，所述出风口朝向所述发热元件设置。
进一步地，所述发热元件上设有安装结构，所述散热风扇设置于所述安装结构上。
进一步地，所述散热风扇与所述安装结构之间设有减震垫。
进一步地，所述减震垫为海绵垫。
进一步地，所述头戴式显示设备还包括头戴部，所述头戴部可拆卸连接于所述眼镜主体上。
进一步地，所述头戴式显示设备为VR眼镜、AR眼镜或FPV眼镜。
本发明的头戴式显示设备，佩戴者使用时面部与眼镜主体的第二收容腔共同形成一个相对密闭的空间，当佩戴者出汗后会导致密闭的空间内空气中的湿度增加，通过散热风扇和开设于光学部件上的导风部配合抽风，使密闭的空间内的空气形成对流起到散热的作用，防止由于闷热而造成较热的湿气接触到温度较低的镜片后，在镜片上产生水汽，保证用户的观看体验。另外，产生对流的空气同样能够促进佩戴者面部空气流通，保证用户保持良好的体感舒适度。
图1是本发明一实施例示出的一种头戴式显示设备的立体示意图。
图2是本发明一实施例示出的一种头戴式显示设备的平面示意图。
图3是本发明一实施例示出的一种头戴式显示设备的半剖视图。
图4是本发明一实施例示出的一种头戴式显示设备的眼镜主体和眼镜罩的连接关系的简易示意图。
图5是本发明一实施例示出的另一种头戴式显示设备的立体示意图。
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本发明相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本发明的一些方面相一致的装置和方法的例子。
在本发明使用的术语是仅仅出于描述特定实施例的目的，而非旨在限制本发明。在本发明和所附权利要求书中所使用的单数形式的“一种”、“所述”和“该”也旨在包括多数形式，除非上下文清楚地表示其他含义。还应当理解，本文中使用的术语“和/或”是指并包
含一个或多个相关联的列出项目的任何或所有可能组合。
应当理解，本申请说明书以及权利要求书中使用的“第一”“第二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的组成部分。同样，“一个”或者“一”等类似词语也不表示数量限制，而是表示存在至少一个。除非另行指出，“前部”、“后部”、“下部”和/或“上部”等类似词语只是为了便于说明，而并非限于一个位置或者一种空间定向。“包括”或者“包含”等类似词语意指出现在“包括”或者“包含”前面的元件或者物件涵盖出现在“包括”或者“包含”后面列举的元件或者物件及其等同，并不排除其他元件或者物件。“连接”或者“相连”等类似的词语并非限定于物理的或者机械的连接，而且可以包括电性的连接，不管是直接的还是间接的。
针对目前用户在长时间佩戴头戴显示产品后，容易出汗导致在镜片上产生雾气，影响用户观看体验的问题，本发明提供一种头戴式显示设备。下面结合附图，对本发明的头戴式显示设备进行详细说明。在不冲突的情况下，下述的实施例及实施方式中的特征可以相互组合。
参见图1至图3所示，本发明实施例提供的一种头戴式显示设备，包括：眼镜主体10、光学部件200以及散热风扇40。所述眼镜主体10包括收容空间，所述光学部件200设置于所述收容空间内，将所述收容空间分隔形成第一收容腔110和用于与佩戴者佩戴配合的第二收容腔120。所述光学部件200上设有导风部310，所述散热风扇40设置于所述第一收容腔110内，并与所述导风部310的位置对应设置。优选地，所述光学部件200包括眼镜罩30和装设于所述眼镜罩30的镜片20，所述眼镜罩30将所述收容空间分隔形成所述第一收容腔110和所述第二收容腔120，并且所述导风部310开设于所述眼镜罩30。
由上述实施例可知，本发明的头戴式显示设备，佩戴者使用时面部与眼镜主体10的第二收容腔120共同形成一个相对密闭的空间，当佩戴者出汗后会导致密闭的空间内空气中的湿度增加，通过散热风扇40和开设于光学部件200的眼镜罩30上的导风部310配合抽风，
使密闭的空间内的空气形成对流起到散热的作用，防止由于闷热而造成较热的湿气接触到温度较低的镜片20后，在镜片20上产生水汽或雾气，保证用户的观看体验。另外，在密闭的空间内产生对流的空气同样能够促进佩戴者面部空气流通，保证用户保持良好的体感舒适度。
参见图4并结合图1至图3所示，在一可选的实施方式中，所述眼镜主体10的一端设有开口，所述光学部件200的眼镜罩30与所述眼镜主体10上未形成所述开口一侧的壳体部分101,102,103共同围合形成所述第一收容腔110，所述光学部件200的眼镜罩30与所述眼镜主体10上形成有所述开口一侧的壳体部分104,105共同围合形成所述第二收容腔120。所述眼镜主体10在形成有所述开口一侧的壳体部分104,105的端部沿所述第二收容腔120的外周设置有一圈佩戴部130及凹陷形成于佩戴部130的鼻托部140，所述佩戴部130用于与佩戴者的面部佩戴配合，所述鼻托部用于与佩戴者的鼻部佩戴配合，佩戴者使用时将面部与所述佩戴部130及鼻托部140贴合配合，进而使佩戴者的面部与所述第二收容腔120共同形成一个相对密闭的空间，保证用户观看时不会发生漏光的情况。所述第一收容腔110内可以设置头戴式显示设备中所配备的电子元件(如电路板、电池、处理主板等)，当然，这些电子元件的安装位置需要避开所述镜头20的观看视角范围，这样既保证了头戴式显示设备的整体外观美观和正常运行需求，又不会影像到用户的正常观看体验。
进一步地，所述佩戴部130的外周面上还设有用以与佩戴者的面部贴合的面罩(类似垫圈)，以便佩戴者进行佩戴。可选地，所述佩戴部130的外周面设有多个用于安装所述面罩的安装孔。所述面罩包括但不仅限于泡棉类面罩，以提高佩戴者佩戴时的舒适度。
在一可选的实施方式中，所述光学部件200的眼镜罩30包括用于装设所述镜片20的镜片安装部320，为了针对容易因为闷热引起出汗的眼部位置周围起到更好的散热效果，所述导风部310设置在所述眼镜罩30上的位置位于所述镜片安装部320的上方。这样既不影像到用户的正常观看体验，又可以加强用户的眼部周围的空气流动，
对容易因为闷热引起出汗的眼部位置周围起到更好的散热效果，防止在镜片20上产生水汽或雾气。
在本实施例中，所述镜片20为两个，相应地，所述镜片安装部320为两个，所述导风部310为两个，所述散热风扇40为两个。所述两个镜片20分别装设于所述两个镜片安装部320，所述两个导风部310设置在所述眼镜罩30上的位置分别位于所述两个镜片安装部320的上方，所述两个散热风扇40设置在所述第一收容腔110内的位置分别与所述两个导风部310的位置对应设置。这样，同样不影像到用户的正常观看体验，又可以加强用户双眼周围的空气流动，对用户的双眼周围均起到更好的散热效果，防止在镜片20上产生水汽或雾气。
为了使密闭的空间内的空气流动更为均匀，所述导风部310可以包括多个导风孔311，所述多个导风孔311间隔设置。通过间隔设置的多个导风孔311能够分散密闭的空间内的空气流动，提高空气的流动性，同时也不会在眼镜罩30上形成过多的空隙而引起漏光的问题。进一步地，所述多个导风孔311沿横向及纵向(即眼镜罩30的长度方向和宽度方向)呈阵列布设，提高沿眼镜罩30的横向范围和纵向范围的空气的流动性，进一步防止在镜片20上产生水汽或雾气。
在一可选的实施方式中，结合图3所示，所述散热风扇40包括进风口410和出风口420，所述进风口410与设于所述眼镜罩30的导风部310相连通并保持一致，通过所述导风部310和所述散热风扇40的进风口410的配合将密闭的空间内的空气引至散热风扇40。在本实施例中，所述散热风扇40为轴抽风扇，所述出风口420的出风方向(如图3中Y方向所示)与所述进风口410的进风方向(如图3中X方向所示)垂直设置，由图3中可知，所述导风部310的导风方向与所述镜片20的镜面方向垂直设置，也就是说，通过所述导风部310和所述散热风扇40的进风口410的配合能够将密闭的空间内的空气横向流动至散热风扇40，再通过散热风扇40将气流沿纵向从所述出风口420排出，如图3中箭头方向所示。因此，所述散热风扇40采用轴抽风扇，能够有效加强空气的对流性。可选地，所述
眼镜主体10的壳体上相对所述散热风扇40的出风口420的位置可以设置多个排气孔，使散热风扇40排出的空气由所述排气孔排出眼镜主体10，进一步促进空气循环。
在一可选的实施方式中，所述头戴式显示设备的电子元件包括电路板、电池等发热元件50，所述发热元件设置在所述第一收容腔110内，所述散热风扇40的出风口420朝向所述发热元件50设置。在头戴式显示设备的使用过程中，这些发热元件50会发散大量热量，因此将所述散热风扇40的出风口420朝向所述发热元件50设置，从散热风扇40的出风口420排出的气流可以吹向发热元件50进而对发热元件50进行散热。即散热风扇40不仅能够增加密闭的空间内的空气流动以防止由于闷热而造成较热的湿气接触到温度较低的镜片20后产生水汽或雾气，同时还能兼顾为发热元件50进行散热。
进一步地，所述发热元件50上设置安装结构，所述散热风扇40设置于所述安装结构上，更有利于对发热元件50进行散热。在本实施例中，所述散热风扇40设置于发热元件50的下方，便于从出风口420排出的空气能够直接对发热元件50进行散热。另外，散热风扇40工作时会产生一定程度的噪音和震动，为了降低散热风扇40产生的噪音和震动，所述散热风扇40与所述安装结构之间设有减震垫60，能够帮助降低散热风扇40工作时的噪音和震动。可选地，所述减震垫60采用但不仅限于海绵垫，海绵垫可以采用透气性较高的材质，不影响散热风扇40的排风效果。当然，也可用其它透气性较好的且较为柔软的材料替代海绵垫。
参见图5所示，在一可选的实施方式中，所述头戴式显示设备还包括头戴部70，所述头戴部70可拆卸连接于所述眼镜主体10上，用于配合所述佩戴部130将所述眼镜主体10与佩戴者固定。佩戴者使用所述头戴式显示设备时，将所述头戴部70套在头上，再将所述佩戴部130贴合在面部，从而将所述头戴式显示设备进行固定。可选地，所述眼镜主体10上设有用于连接所述头戴部70的插接部150，所述头戴部70上设有与所述插接部150配合连接的插接件，实现将所述头戴部70可拆卸连接于所述眼镜主体10上，便于收纳。例如，
可以在眼镜主体10的插接部150上设置与所述插接件卡接配合的凹槽或者卡接孔，在头戴部70的插接件上设置弹性按钮。在需要拆卸所述头戴部70时，按下所述弹性按钮，即可将所述插接件从所述眼镜主体10的插接部150中退出，从而将头戴部70与眼镜主体10分离。在本实施例中，所述插接部150设置在眼镜主体10的顶部，便于与头戴部70配合使用。
在一实施方式中，所述头戴式显示设备为VR(Virtual Reality，虚拟现实技术)眼镜、AR(Augmented Reality，增强现实技术)眼镜或FPV(First Person View，第一人称主视角)眼镜。
以上所述仅是本发明的较佳实施例而已，并非对本发明做任何形式上的限制，虽然本发明已以较佳实施例揭露如上，然而并非用以限定本发明，任何熟悉本专业的技术人员，在不脱离本发明技术方案的范围内，当可利用上述揭示的技术内容做出些许更动或修饰为等同变化的等效实施例，但凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本发明技术方案的范围内。
本专利文件披露的内容包含受版权保护的材料。该版权为版权所有人所有。版权所有人不反对任何人复制专利与商标局的官方记录和档案中所存在的该专利文件或者该专利披露。
Claims (14)
- 一种头戴式显示设备，其特征在于，包括：眼镜主体、光学部件以及散热风扇；所述眼镜主体包括收容空间，所述光学部件设置于所述收容空间内，将所述收容空间分隔形成第一收容腔和用于与佩戴者佩戴配合的第二收容腔；所述光学部件上设有导风部，所述散热风扇设置于所述第一收容腔内，并与所述导风部的位置对应设置。
- 根据权利要求1所述的头戴式显示设备，其特征在于，所述光学部件包括眼镜罩和装设于所述眼镜罩的镜片，所述眼镜罩将所述收容空间分隔形成所述第一收容腔和所述第二收容腔，所述导风部设于所述眼镜罩。
- 根据权利要求2所述的头戴式显示设备，其特征在于，所述眼镜罩包括用于装设所述镜片的镜片安装部，所述导风部位于所述镜片安装部的上方。
- 根据权利要求3所述的头戴式显示设备，其特征在于，所述镜片为两个，所述镜片安装部为两个，所述导风部为两个，所述散热风扇为两个；所述两个镜片分别装设于所述两个镜片安装部，所述两个导风部分别位于所述两个镜片安装部的上方，所述两个散热风扇分别与所述两个导风部的位置对应设置。
- 根据权利要求1所述的头戴式显示设备，其特征在于，所述导风部包括多个导风孔，所述多个导风孔间隔设置。
- 根据权利要求5所述的头戴式显示设备，其特征在于，所述多个导风孔沿横向及纵向呈阵列布设。
- 根据权利要求1所述的头戴式显示设备，其特征在于，所述散热风扇包括进风口和出风口，所述进风口与所述导风部相连通并保持一致。
- 根据权利要求7所述的头戴式显示设备，其特征在于，所述散热风扇为轴抽风扇，所述出风口的出风方向与所述进风口的进风方向垂直设置，所述导风部的导风方向与所述镜片的镜面方向垂直设置。
- 根据权利要求7所述的头戴式显示设备，其特征在于，所述第一收容腔内设有发热元件，所述出风口朝向所述发热元件设置。
- 根据权利要求9所述的头戴式显示设备，其特征在于，所述发热元件上设有安装结构，所述散热风扇设置于所述安装结构上。
- 根据权利要求10所述的头戴式显示设备，其特征在于，所述散热风扇与所述安装结构之间设有减震垫。
- 根据权利要求11所述的头戴式显示设备，其特征在于，所述减震垫为海绵垫。
- 根据权利要求1所述的头戴式显示设备，其特征在于，还包括头戴部，所述头戴部可拆卸连接于所述眼镜主体上。
- 根据权利要求1所述的头戴式显示设备，其特征在于，所述头戴式显示设备为VR眼镜、AR眼镜或FPV眼镜。
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| CN106802484A (zh) * | 2016-12-09 | 2017-06-06 | 华勤通讯技术有限公司 | 一种虚拟现实头盔 |
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| CN111007666A (zh) * | 2018-10-08 | 2020-04-14 | 宏达国际电子股份有限公司 | 头戴式显示装置 |
| CN111751992A (zh) * | 2019-03-26 | 2020-10-09 | 精工爱普生株式会社 | 佩戴型显示装置 |
| CN111751992B (zh) * | 2019-03-26 | 2022-05-17 | 精工爱普生株式会社 | 佩戴型显示装置 |
| US11758702B2 (en) | 2019-04-30 | 2023-09-12 | Apple Inc. | Noise mitigation for head-mounted device |
| US12101918B2 (en) | 2019-04-30 | 2024-09-24 | Apple Inc. | Noise mitigation for head-mounted device |
| WO2022160012A1 (en) * | 2021-01-29 | 2022-08-04 | ResMed Pty Ltd | Positioning, stabilising and interfacing structures and system incorporating same |
| TWI836340B (zh) * | 2021-01-29 | 2024-03-21 | 澳大利亞商瑞思邁私人股份有限公司 | 頭戴式顯示系統 |
| US12127430B2 (en) | 2022-01-31 | 2024-10-22 | Meta Platforms Technologies, Llc | Micro-OLED display module thermal management |
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| CN206975323U (zh) | 2018-02-06 |
| CN110050219A (zh) | 2019-07-23 |
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