WO2019071590A1 - Tampon éponge en contact avec le visage pour dispositif de vr et procédé de préparation associé, et dispositif de vr - Google Patents

Tampon éponge en contact avec le visage pour dispositif de vr et procédé de préparation associé, et dispositif de vr Download PDF

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Publication number
WO2019071590A1
WO2019071590A1 PCT/CN2017/106136 CN2017106136W WO2019071590A1 WO 2019071590 A1 WO2019071590 A1 WO 2019071590A1 CN 2017106136 W CN2017106136 W CN 2017106136W WO 2019071590 A1 WO2019071590 A1 WO 2019071590A1
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WO
WIPO (PCT)
Prior art keywords
sponge
sponge pad
fabric layer
face
main body
Prior art date
Application number
PCT/CN2017/106136
Other languages
English (en)
Chinese (zh)
Inventor
刘腾
林益邦
吴昊
龚亚运
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201780091982.1A priority Critical patent/CN110741307A/zh
Priority to PCT/CN2017/106136 priority patent/WO2019071590A1/fr
Publication of WO2019071590A1 publication Critical patent/WO2019071590A1/fr

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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 application relates to the technical field of VR devices, and in particular, to a face sponge pad for a VR device, a preparation method thereof, and a VR device.
  • Virtual Reality (VR) technology is a computer simulation system that can create and experience a virtual world. It uses a computer to generate a simulation environment, which is a multi-source information fusion, interactive 3D dynamic vision and System simulation of entity behavior immerses users in the environment.
  • the face sponge pad is in direct contact with the human face, which satisfies the shading while providing comfort, so that the experiencer is better immersed in the virtual reality environment.
  • the solutions on the market mostly use the form of soft rubber sheath + flat sponge, that is, in order to achieve shading and better fit, a soft rubber sheath is needed to provide support, and then a layer of flat sponge is attached to the skin.
  • soft rubber usually thermoplastic polyurethane elastomer rubber, thermoplastic elastomer material or silica gel
  • soft plastic parts have poor injection stability and low yield, resulting in low productivity and high price.
  • the flat sponge is thinner and has poor tolerance when applied to the skin.
  • the present application provides a face sponge pad for a VR device, a preparation method thereof, and a VR device for improving the comfort of the VR device during use.
  • the present application provides a face sponge pad for a VR device, the sponge pad comprising a sponge pad body, the sponge pad body is an annular structure, and the sidewall of the sponge pad body has two opposite sides.
  • the surface is respectively a convex and adhesive surface and a concave bonding surface; wherein the bonding surface is used for laminating connection with the VR device, the bonding surface is used for bonding with the human face; a fabric layer of the sponge pad body.
  • the sponge pad by forming the sponge pad into a body structure, the sponge is directly formed into a 3D three-dimensional sponge attached to the human face, so that the sponge pad body can better fit the face and provide a good tolerance. Sexuality and fit.
  • the sidewall of the sponge pad body has a bent structure for attaching the bridge of the nose. Provides good tolerance and fit.
  • the fabric layer is provided with a backing sponge, and the backing sponge is adhesively bonded to the sponge pad body.
  • Convenient fabric layer to improve good tolerance and fit.
  • a layer of magic batt for adhesive bonding to the VR device is attached to the fabric layer. Connect to the VR device through the magic layer.
  • other methods such as double-sided tape, glue, and buckle can be used.
  • the magic batt is adhesively bonded to the fabric layer.
  • the sponge pad body comprises a plurality of layers of sponge, and the plurality of layers of the sponge layer have different hardnesses.
  • the sponge pad body comprises three layers of sponge layers, and the three layers of sponge layers have hardnesses of 60, 40, 20, respectively.
  • the fabric layer is an island sponge having no elasticity, a uniaxial elastic or a biaxially elastic polyester.
  • a method for preparing a visor sponge pad for a VR device comprising the steps of:
  • the main sponge of the material is hot pressed to form a ring structure
  • the fabric layer is wrapped in a ring structure formed by hot pressing.
  • the 3D sponge is formed by hot pressing, so that the sponge pad body can be better fitted to the human face, providing good tolerance and fit.
  • the main body sponge is specifically formed by cutting a large piece of the main body sponge into small pieces of the main body sponge; and cutting the small piece of the main body sponge into a main structure of the sponge pad by wire cutting.
  • the wire cutting can be used to open large-size sponges with small dimensional deviation and high efficiency, and can form a three-dimensional sponge pad shape.
  • the hot-rolling main sponge is heat-pressed to form an annular structure, in particular: the extruded main body sponge is placed in a hot press mold for hot press forming.
  • the hot press mold includes a lower mold, an upper mold, and a sleeve that is disposed on the lower mold and located between the lower mold and the upper mold; the main body sponge after the cutting It is placed in the sleeve and extruded through the upper and lower dies.
  • the sleeve can assist the positioning and molding of the sponge blank after the opening, and can form a complex shape and a large-sized shape sponge.
  • the method further comprises: bonding different hot-pressed body sponges of different hardness into a single body in a manner of gradually decreasing hardness.
  • the hot pressing of the fabric layer is specifically:
  • the fabric layer to which the backing sponge is attached is thermoformed.
  • the backing sponge has a thickness of from 1 to 10 mm.
  • the annular structure in which the fabric layer is wrapped by hot pressing is specifically:
  • the fabric layer is wrapped on a thermoformed body sponge and the backing sponge is bonded to the thermoformed body sponge.
  • the method further comprises: bonding a magic batt layer to the fabric layer of the package attachment surface.
  • a VR device comprising a VR device body and a VR device face sponge pad manufactured by the method of any one of the above-mentioned methods connected to the VR device body.
  • the sponge pad by forming the sponge pad into a body structure, the sponge is directly formed into a 3D three-dimensional sponge attached to the human face, so that the sponge pad body can better fit the face and provide a good tolerance. Sexuality and fit.
  • FIG. 1 is a schematic structural view of a sponge pad in the prior art
  • FIG. 2 is a layer structural view of a sponge pad main body according to an embodiment of the present application.
  • FIG. 3 is a flow chart of preparing a sponge mat according to an embodiment of the present application.
  • the sponge pad of the prior art is in the form of a soft rubber sheath + a flat sponge, that is, the soft rubber sheath is made to fit the face.
  • the sponge needs to undergo a certain deformation, such as bending or stretching, resulting in a poor fit with the face, and soft
  • the rubber sheath is heavier and increases the weight of the human body.
  • the embodiment of the present application provides a face sponge pad for a VR device
  • the sponge pad includes a sponge pad body 1
  • the sponge pad body 1 has a ring structure, and the ring shape
  • the side walls of the structure are used to support the VR device and conform to the human face, and the hollow portion of the annular structure corresponds to the human eye portion.
  • the side wall of the sponge pad main body 1 has a convex surface 4 and a concave surface 2, wherein the bonding surface 4 is used for bonding with the VR device, and the bonding surface 2 is used. Attached to the person's face.
  • the sponge body 1 can select 10-100 hardness according to the experimental test, and the density requirement is 10-100 density, and the three-dimensional structure of the shape of the contour of the human body is processed, that is, the sponge pad has a concave shape matching the forehead of the human body. And the side wall of the sponge pad main body 1 has a bending structure 3 for fitting the bridge of the nose. To provide good tolerance and fit.
  • the overall height is 150mm.
  • the sponge pad main body 1 forms a 3D three-dimensional sponge pad structure by wire cutting and hot pressing. It may be a single layer structure or a multilayer structure. When a single layer structure is used, a sponge material of a hardness is directly cut and formed by hot pressing.
  • the sponge body 1 can be layered according to requirements, and can be divided into 2-5 layers.
  • the hardness between different sponge layers can be arbitrarily combined according to experience.
  • the sponge pad main body 1 adopts three layers of sponge layers, and when disposed, along the bonding surface 4 to the bonding surface 2, the sponge The hardness of the layer gradually decreases.
  • the bottom sponge layer 11 (a sponge layer for setting the adhesive surface 4) is made of a sponge material having a density of 60 hardness 60 to provide stable body support for the sponge pad body 1, and the central sponge layer 12 is selected to have a density of 40 and 40.
  • the sponge material increases the height of the entire sponge pad, and the top sponge layer 13 (a sponge layer for setting the bonding surface 2) directly contacts the skin, and a sponge material having a density of 20 hardness is used to provide good tolerance. And a sense of fit.
  • a support piece may be disposed on the sponge pad, and the support piece is prepared by using a plastic material such as polycarbonate, acrylonitrile-butadiene-styrene copolymer, polypropylene or the like.
  • glue bonding may be used, specifically, such as hot melt adhesive, yellow plastic, thermal adhesive or the like. Due to the use of the sheet structure, the weight of the support structure can be greatly reduced as compared with the prior art protective sleeve structure.
  • the sponge body 1 is externally wrapped with a fabric layer for protecting the sponge pad body 1.
  • the fabric layer can be prepared by using different materials such as elastic island sponge, unidirectional elastic or biaxial elastic polyester.
  • the backing sponge is arranged on the fabric layer, and the backing sponge is introduced to assist the shaping, and a backing sponge with a thickness of 1-10 mm is attached on the back side of the fabric, such as 1 mm, 4 mm, 6 mm. , 8mm, 10mm, etc., because the fabric is not easy to shape, However, the sponge is easy to set, and the backing sponge and the fabric are shaped together by attaching a backing sponge.
  • the fabric fixing fixture is used to assist the shaping, and the circumference of the fabric is fixed by the jig during the forming process, and the fabric is kept in the pulling state during the hot pressing setting process, and is closely attached to the upper mold or the lower mold of the mold, so that The fabric can form a complex shape and a large-sized shape; thereby being able to fit the sponge pad well when wrapping the sponge pad body 1.
  • the backing sponge is specifically disposed, the backing sponge is bonded to the sponge pad main body 1.
  • the connection can be realized in different ways, such as double-sided tape, glue, velcro, buckle, and the like.
  • a layer of magic batt for bonding to the VR device is attached to the fabric layer. And the magic batt is bonded to the fabric layer to achieve a relative fixation between the magic batt and the fabric layer.
  • the sponge pad provided in the embodiment of the present application forms a 3D three-dimensional sponge structure by using a process such as cutting and hot pressing, that is, the sponge pad can be attached to the human face in a natural state, without the prior art.
  • the mid-plane sponge layer needs to be bent and deformed between the faces of the human body to achieve a fit with the human face, so that the sponge pad body 1 can better fit the face, providing good tolerance and sticking. Sense.
  • the embodiment of the present application further provides a method for preparing the above-mentioned VR device patch sponge pad, the method comprising the following steps:
  • the main sponge of the material is hot pressed to form a ring structure
  • the fabric layer is wrapped in a ring structure formed by hot pressing.
  • the 3D sponge is formed by hot pressing, so that the sponge pad body can be better fitted to the human face, providing good tolerance and fit.
  • Step 001 the main sponge is opened
  • the two steps are included.
  • the bulk body sponge is cut into small pieces of the body sponge; after that, the small body sponge is cut into a main structure of the sponge pad by wire cutting.
  • the main sponge is cut by wire cutting.
  • the traditional cutting method is laser cutting and die cutting. For large-size sponges, laser cutting will cause dirt, the opening is not uniform, etc. The sponge will be severely deformed, and the size of the material to be cut varies greatly.
  • the wire cutting can be used to cut large-size sponges, with small dimensional deviation and high efficiency, and can form a three-dimensional sponge shape.
  • Step 002 hot pressing the main sponge of the material to form a ring structure
  • the main sponge of the material is placed in a hot press mold and hot pressed.
  • the hot pressing die comprises a lower die, an upper die, and a sleeve disposed on the lower die and located between the lower die and the upper die; the main body sponge after the opening is placed into the sleeve, and passes through the upper die and the lower die Extrusion.
  • the sleeve can assist the positioning and molding of the sponge blank after the opening, and can form a complex shape and a large-sized shape sponge.
  • the above steps 001 and 002 need to be performed a plurality of times, and the main sponges of different hardnesses which are differently formed by hot pressing are bonded together in an arrangement in which the hardness is gradually lowered.
  • Step 003 attaching a support piece
  • a support sheet is prepared using a plastic material such as polycarbonate, acrylonitrile-butadiene-styrene copolymer, or polypropylene.
  • glue may be used for bonding, specifically, such as hot melt adhesive, yellow plastic, thermal adhesive or the like. Due to the use of the sheet structure, the weight of the support structure can be greatly reduced as compared with the prior art protective sleeve structure. In the specific bonding, yellow plastic is applied to the main sponge after hot pressing, and Hold the yellow glue and paste the main sponge with the support piece.
  • Step 004 thermoforming the fabric layer
  • the fabric is opened, and a backing sponge is attached to the fabric layer; and the hole position is revised so that the fabric can be attached to the main body of the sponge pad, and then the fabric layer to which the backing sponge is attached is thermoformed.
  • the fabric layer is used to protect the main body of the sponge pad, and the fabric layer can be prepared by using different materials such as non-elastic island velvet, unidirectional elastic or biaxial elastic polyester.
  • the backing sponge is arranged on the fabric layer, and the backing sponge is introduced to assist the shaping, and a backing sponge with a thickness of 1-10 mm is attached on the back side of the fabric, such as 1 mm, 4 mm, 6 mm.
  • the fabric fixing fixture is used to assist the shaping, and the circumference of the fabric is fixed by the jig during the forming process, and the fabric is kept in the pulling state during the hot pressing setting process, and is closely attached to the upper mold or the lower mold of the mold, so that The fabric can be formed into a complex shape and a large-sized shape; thus, it can be well matched with the sponge pad when wrapping the main body of the sponge pad.
  • the backing sponge is specifically disposed, the backing sponge is bonded to the main body of the sponge pad.
  • Step 005 wrapping the fabric layer in a ring structure formed by hot pressing.
  • the main sponge and fabric are shaped according to the final shape, the main sponge and the fabric are assembled and assembled. Since the sponge and the main sponge are subjected to hot pressing and setting, no large stretching force is required during assembly and wrapping, which helps Maintain the final dimensions of the part and eventually form a sponge pad. Wherein, the fabric layer is wrapped on the thermoformed main sponge, and the backing sponge is bonded to the thermoformed main sponge.
  • Step 006 Bonding a magic layer on the fabric layer of the package attachment surface.
  • the magic batt layer is bonded to the fabric layer by, for example, hot melt adhesive, yellow plastic, thermal adhesive, or the like.
  • the 3D sponge is formed by hot pressing, so that the main body of the sponge pad can be better fitted to the human face, providing good tolerance and fit.
  • the embodiment of the present application further provides a VR device, which includes a VR device body and a VR device face sponge pad manufactured by the method described in any one of the above.
  • the sponge pad by forming the sponge pad into a body structure, the sponge is directly formed into a 3D three-dimensional sponge attached to the human face, so that the sponge pad body can better fit the face and provide a good tolerance. Sexuality and fit.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne un tampon éponge en contact avec le visage destiné à un dispositif de VR et son procédé de préparation, et un dispositif de VR. Le tampon éponge comprend un corps principal de tampon éponge (1) d'une structure annulaire. Une paroi latérale du corps principal de tampon éponge (1) compte deux surfaces opposées : une surface d'adhérence élevée (4) et une surface d'ajustement en creux (2). La surface adhésive (4) adhère au dispositif de VR. La surface d'ajustement (2) s'ajuste sur le visage d'un utilisateur. Le tampon éponge comprend en outre une couche de tissu enveloppant le corps principal de tampon éponge (1). La structure du tampon éponge permet au tampon éponge de s'ajuster sur le visage de l'utilisateur, de sorte que le corps principal de tampon éponge épouse le visage en procurant une bonne tolérance et un ajustement confortable.
PCT/CN2017/106136 2017-10-13 2017-10-13 Tampon éponge en contact avec le visage pour dispositif de vr et procédé de préparation associé, et dispositif de vr WO2019071590A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201780091982.1A CN110741307A (zh) 2017-10-13 2017-10-13 一种vr设备用贴脸海绵垫及其制备方法、vr设备
PCT/CN2017/106136 WO2019071590A1 (fr) 2017-10-13 2017-10-13 Tampon éponge en contact avec le visage pour dispositif de vr et procédé de préparation associé, et dispositif de vr

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/106136 WO2019071590A1 (fr) 2017-10-13 2017-10-13 Tampon éponge en contact avec le visage pour dispositif de vr et procédé de préparation associé, et dispositif de vr

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WO2019071590A1 true WO2019071590A1 (fr) 2019-04-18

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PCT/CN2017/106136 WO2019071590A1 (fr) 2017-10-13 2017-10-13 Tampon éponge en contact avec le visage pour dispositif de vr et procédé de préparation associé, et dispositif de vr

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WO (1) WO2019071590A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023024761A1 (fr) * 2021-08-25 2023-03-02 青岛小鸟看看科技有限公司 Masque facial vr et son procédé de fabrication

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WO2016046123A1 (fr) * 2014-09-22 2016-03-31 Carl Zeiss Ag Dispositif d'affichage pouvant être monté sur la tête d'un utilisateur et procédé de commande de ce dispositif d'affichage
CN205958857U (zh) * 2016-08-30 2017-02-15 重庆蓝莱科技有限公司 一种可更换防护垫的虚拟现实眼镜
CN206020814U (zh) * 2016-06-30 2017-03-15 台湾百和工业股份有限公司 用于头戴式虚拟现实显示设备的衬布可拆式脸部衬垫结构
CN206074918U (zh) * 2016-10-20 2017-04-05 哈尔滨哲思科技发展有限公司 防疲劳的虚拟现实头盔
CN106626401A (zh) * 2016-12-20 2017-05-10 东莞市达瑞电子股份有限公司 头套的生产方法
CN206421101U (zh) * 2016-12-09 2017-08-18 浙江大华技术股份有限公司 一种头戴式显示器
CN206515556U (zh) * 2017-02-28 2017-09-22 武汉大学 一种vr眼镜隔离面罩

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016046123A1 (fr) * 2014-09-22 2016-03-31 Carl Zeiss Ag Dispositif d'affichage pouvant être monté sur la tête d'un utilisateur et procédé de commande de ce dispositif d'affichage
CN206020814U (zh) * 2016-06-30 2017-03-15 台湾百和工业股份有限公司 用于头戴式虚拟现实显示设备的衬布可拆式脸部衬垫结构
CN205958857U (zh) * 2016-08-30 2017-02-15 重庆蓝莱科技有限公司 一种可更换防护垫的虚拟现实眼镜
CN206074918U (zh) * 2016-10-20 2017-04-05 哈尔滨哲思科技发展有限公司 防疲劳的虚拟现实头盔
CN206421101U (zh) * 2016-12-09 2017-08-18 浙江大华技术股份有限公司 一种头戴式显示器
CN106626401A (zh) * 2016-12-20 2017-05-10 东莞市达瑞电子股份有限公司 头套的生产方法
CN206515556U (zh) * 2017-02-28 2017-09-22 武汉大学 一种vr眼镜隔离面罩

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023024761A1 (fr) * 2021-08-25 2023-03-02 青岛小鸟看看科技有限公司 Masque facial vr et son procédé de fabrication

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