CN112415751B - VR equipment shell and manufacturing method thereof, and VR equipment - Google Patents

VR equipment shell and manufacturing method thereof, and VR equipment Download PDF

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Publication number
CN112415751B
CN112415751B CN202011368105.4A CN202011368105A CN112415751B CN 112415751 B CN112415751 B CN 112415751B CN 202011368105 A CN202011368105 A CN 202011368105A CN 112415751 B CN112415751 B CN 112415751B
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Prior art keywords
insert
aerogel
device housing
layer
fiber prepreg
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CN112415751A (en
Inventor
冯宗东
宋吉智
窦荣洋
任强
潘飞
衣晓良
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Goertek Techology Co Ltd
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Goertek Techology Co Ltd
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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
    • G02B27/0149—Head-up displays characterised by mechanical features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14336—Coating a portion of the article, e.g. the edge of the article
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Casings For Electric Apparatus (AREA)
  • Reinforced Plastic Materials (AREA)

Abstract

The invention discloses a VR equipment shell, a manufacturing method thereof and VR equipment. The VR equipment shell comprises a main body shell, a cover shell and an insert, wherein the cover shell is covered on the main body shell and surrounds to form an installation space matched with the insert, the insert is arranged in the installation space, and the insert comprises at least one aerogel core layer. According to the technical scheme, the weight of the VR equipment shell can be reduced, and wearing comfort of a user is improved.

Description

VR equipment shell and manufacturing method thereof, and VR equipment
Technical Field
The invention relates to the technical field of VR equipment, in particular to a VR equipment shell, a manufacturing method thereof and VR equipment.
Background
With the gradual development of the field of Virtual Reality, a Virtual Reality (VR) device is increasingly focused by users, and in particular, the focus of a head-mounted VR device is increasing. The VR device housing is typically made of a plastic such as polycarbonate, polyamide, polypropylene, or an acrylic-butadiene-styrene copolymer. VR device housings made of plastic materials are heavy, which often results in poor wearing comfort for the user.
Disclosure of Invention
The invention mainly aims to provide a VR equipment shell, a manufacturing method thereof and VR equipment, and aims to reduce the weight of the VR equipment shell and improve wearing comfort of a user.
In order to achieve the above objective, the VR device housing provided by the present invention includes a main body housing, a cover housing and an insert, where the cover housing is enclosed in the main body housing and forms an installation space adapted to the insert, the insert is disposed in the installation space, and the insert includes at least one aerogel core layer.
In an alternative embodiment, theThe density of the aerogel core layer is 0.0355g/cm 3 -0.2g/cm 3 The method comprises the steps of carrying out a first treatment on the surface of the And/or the thickness of the aerogel core layer is 0.4mm-1.6mm.
In an alternative embodiment, the aerogel core layer is at least one of carbon aerogel, silicon aerogel and porous foam material with aerogel as a matrix.
In an alternative embodiment, the insert further comprises a bi-directional fiber prepreg layer, the bi-directional fiber prepreg layer being disposed on a surface of the aerogel core.
In an alternative embodiment, the areal density of the bi-directional fibrous prepreg layer is 70g/m 2 -300g/m 2 The method comprises the steps of carrying out a first treatment on the surface of the And/or the thickness of the bidirectional fiber prepreg layer is 40-160 μm.
In an alternative embodiment, the fibers in the bidirectional fiber prepreg layer are at least one of carbon fibers, glass fibers, basalt fibers and aramid fibers.
In an alternative embodiment, the aerogel core layer is one layer, the two-way fiber prepreg layers are two layers, and the two-way fiber prepreg layers are respectively arranged on the two surfaces of the aerogel core layer.
In an alternative embodiment, the inserts have a density of 0.5g/cm 3 -0.6g/cm 3 The method comprises the steps of carrying out a first treatment on the surface of the And/or, the insert has a thickness of 40% to 80% of the total thickness of the VR device housing; and/or, the insert has a volume of 20% to 60% of the total volume of the VR device housing.
In an alternative embodiment, the material of the housing main body is at least one of polycarbonate, polyamide, polypropylene, and propylene-butadiene-styrene copolymer.
The invention also provides a manufacturing method of the VR equipment shell, which comprises the following steps:
manufacturing an insert, wherein the insert comprises at least one aerogel core layer;
and placing the insert into an injection mold, injecting plastic materials into the injection mold, coating the insert with the plastic materials, and obtaining the VR equipment shell after injection molding.
In an alternative embodiment, the step of making the insert includes:
paving a bidirectional fiber prepreg on the surface of the aerogel core layer to obtain a material blank;
and sequentially performing laminating and compression molding operation on the blank, and curing to obtain the insert.
In an alternative embodiment, the bidirectional fiber prepreg is prepared by impregnating a bidirectional weaving fiber layer in prepreg glue solution, and the prepreg glue solution is at least one of epoxy resin glue solution, phenolic resin glue solution and unsaturated polyester resin glue solution.
In an alternative embodiment, the step of laying a bi-directional fiber prepreg on the surface of the aerogel core layer to obtain a material blank includes:
and respectively paving two-way fiber prepregs on two surfaces of the aerogel core layer to obtain a material blank.
The invention also proposes a VR device comprising a VR device housing as described above.
According to the technical scheme, the VR equipment shell comprises a main body shell, a cover shell and an insert, wherein the cover shell is covered on the main body shell, an installation space matched with the insert is formed by surrounding the cover shell and the cover shell, the insert is arranged in the installation space, and the insert comprises at least one aerogel core layer. The VR equipment shell based on aerogel is adopted, so that compared with the VR equipment shell made of plastic materials, the weight of the VR equipment shell can be effectively reduced, and wearing comfort of a user is improved. Meanwhile, the aerogel-based VR equipment housing has good heat insulation and sound insulation effects.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of an exploded view of one embodiment of a VR device housing of the present invention;
FIG. 2 is a schematic cross-sectional view of the insert of FIG. 1;
FIG. 3 is a schematic cross-sectional structural view of the insert of FIG. 1 from another perspective;
fig. 4 is a flowchart illustrating steps of an embodiment of a method for manufacturing a VR device housing according to the present invention;
FIG. 5 is a flowchart illustrating a refinement step according to an embodiment of the step S10 in FIG. 4;
fig. 6 is a flowchart illustrating a refinement step according to another embodiment of step S10 in fig. 4.
Reference numerals illustrate:
reference numerals Name of the name Reference numerals Name of the name
100 VR device casing 30 Insert piece
10 Main body shell 31 Aerogel core layer
10a Installation space 32 Bidirectional fiber prepreg layer
20 Cover shell
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.
The present invention proposes a VR device housing 100, the VR device housing 100 optionally being a VR headset housing.
Referring to fig. 1 and 2, in an embodiment of a VR device housing 100 of the present invention, the VR device housing 100 includes a main body housing 10, a cover housing 20 and an insert 30, wherein the cover housing 20 covers the main body housing 10 and encloses an installation space 10a adapted to the insert 30, the insert 30 is disposed in the installation space 10a, and the insert 30 includes at least one aerogel core layer 31.
Aerogel is a relatively light solid with a density of up to 3.55kg/m 3 The material is only 2.75 times of air, mainly comprises silicon dioxide aerogel and carbon aerogel, has extremely low refractive index, thermal conductivity and dielectric constant, high specific surface area, selective permeation to gas and other performances, has mechanical, acoustic, thermal, optical and electrical performances which are obviously different from those of common solid materials, and is a lightweight nano porous material with a plurality of singular properties and wide application. The insert 30 of the VR device housing 100 is an aerogel base, the insert 30 is in an annular structure, the installation space 10a formed by enclosing the main body housing 10 and the cover housing 20 is also in an annular structure, the installation space 10a is matched with the insert 30, and the insert 30 is embedded in the installation space 10a, so that the VR device housing 100 can be formed, and the VR device housing 100 has the advantages of light weight, heat insulation, sound insulation and the like.
It should be noted that, the insert 30, the main body case 10 and the cover case 20 are combined into an integral structure, that is, the VR device case 100, and optionally, the insert 30, the main body case 10 and the cover case 20 are combined into an integral structure through an injection molding process.
It can be appreciated that in the technical solution of the present invention, the VR device housing 100 includes a main body housing 10, a cover housing 20 and an insert 30, the cover housing 20 is covered on the main body housing 10, the cover housing and the insert housing enclose an installation space 10a adapted to the insert 30, the insert 30 is disposed in the installation space 10a, and the insert 30 includes at least one aerogel core layer 31. The aerogel-based VR equipment housing 100 is adopted, so that compared with the VR equipment housing 100 made of plastic materials, the weight of the VR equipment housing 100 can be effectively reduced, and wearing comfort of a user is improved. Meanwhile, the aerogel-based VR device housing 100 also has good heat and sound insulation effects.
In an alternative embodiment, the density of aerogel core 31 is 0.0355g/cm 3 -0.2g/cm 3 . The use of aerogel core 31 in this density range can effectively reduce the weight of aerogel core 31, and thus effectively reduce the overall weight of VR device housing 100. For example, the density of aerogel core 31 is 0.0355g/cm 3 、0.1g/cm 3 、0.15g/cm 3 Or 0.2g/cm 3 。
In an alternative embodiment, the aerogel core 31 has a thickness of 0.4mm to 1.6mm. The aerogel core 31 having the thickness range can effectively reduce the overall weight of the VR device housing 100 without affecting the overall thickness of the VR device housing 100. For example, the aerogel core 31 has a thickness of 0.4mm, 0.8mm, 1.2mm, or 1.6mm.
In an alternative embodiment, the aerogel core layer is at least one of carbon aerogel, silicon aerogel, and porous foam material with aerogel as matrix. The carbon aerogel, the silicon aerogel and the porous foam material taking the aerogel as a matrix are all light materials, so that the overall weight of the VR equipment housing 100 can be effectively reduced by taking the carbon aerogel, the silicon aerogel and the porous foam material as inserts, and when the aerogel core layer is selected, one or more of the materials can be selected.
In an alternative embodiment, the insert 30 further includes a bi-directional fiber prepreg layer 32, the bi-directional fiber prepreg layer 32 being disposed on the surface of the aerogel core 31.
Here, the bi-directional fiber prepreg layer 32 may be disposed on any surface of the aerogel core layer 31, so as to protect the aerogel core layer 31 and effectively improve the cracking resistance and impact resistance of the insert 30. The bidirectional fiber prepreg 32 is prepared by impregnating a bidirectional fiber woven cloth in a thermosetting resin glue solution, and has good impact resistance.
In an alternative embodiment, the fibers in the bi-directional fiber prepreg layer 32 are at least one of carbon fibers, glass fibers, basalt fibers, and aramid fibers. The carbon fiber, the glass fiber, the basalt fiber and the aramid fiber are all high-strength fibers, the impact resistance is good, and one or more of the high-strength fibers can be selected and mixed when the fiber is used.
In an alternative embodiment, the areal density of the bi-directional fibrous prepreg layer 32 is 70g/m 2 -300g/m 2 The bi-directional fiber prepreg layer 32 in this areal density range is effective to reduce the weight of the insert 30, thereby reducing the weight of the VR device housing 100, while also imparting low density, high specific modulus, high strength properties to the insert 30. For example, the areal density of the bi-directional fiber prepreg layer 32 is 70g/m 2 、100g/m 2 、150g/m 2 、200g/m 2 Or 300g/m 2 。
In an alternative embodiment, the bi-directional fiber prepreg layer 32 has a thickness of 40-160 μm. The use of the bi-directional fiber prepreg layer 32 in this thickness range ensures good impact resistance without affecting the overall thickness of the VR device housing 100. For example, the bi-directional fiber prepreg layer 32 has a thickness of 40 μm, 80 μm, 120 μm, or 160 μm.
Referring to fig. 2, in an embodiment of the present invention, the aerogel core layer 31 is one layer, and the two bi-directional fiber prepreg layers 32 are two layers, and the two bi-directional fiber prepreg layers 32 are respectively disposed on two surfaces of the aerogel core layer 31.
In this embodiment, the insert 30 includes one aerogel core layer 31 and two bidirectional fiber prepreg layers 32, and the two bidirectional fiber prepreg layers 32 are respectively disposed on two surfaces of the aerogel core layer 31, so that the anti-cracking performance of the insert 30 can be greatly improved, and the service life of the VR device housing 100 is ensured.
It should be noted that, when the insert 30 includes two bidirectional fiber prepreg layers 32, the materials of the two bidirectional fiber prepreg layers 32 may be the same, for example, two bidirectional carbon fiber prepreg layers are used for the two bidirectional fiber prepreg layers 32; of course, the materials may be different, and are not limited in this respect, and are all within the scope of the present invention.
By adjusting the density of the aerogel core 31 and the bi-directional fiber prepreg 32, one canTo obtain inserts 30 of different densities. In an alternative embodiment, insert 30 has a density of 0.5g/cm 3 -0.6g/cm 3 . The insert 30 is lightweight and strong, with a minimum density of 0.5g/cm 3 The weight of the VR device housing 100 can be effectively reduced.
Further, by adjusting the thickness of the aerogel core 31 and the bi-directional fiber prepreg layer 32, inserts 30 of different thicknesses can be obtained. In alternative embodiments, the thickness of the insert 30 is 40% to 80% of the total thickness of the VR device housing 100, and using an insert 30 in this thickness range may be effective to reduce the weight of the VR device housing 100, e.g., designing the thickness of the insert 30 to be 40%, 50%, 60%, 70% or 80% of the total thickness of the VR device housing 100.
Further, by adjusting the volumes of the aerogel core 31 and the bi-directional fiber prepreg layer 32, inserts 30 of different volumes can be obtained. Alternatively, the insert 30 has a volume that is 20% to 60% of the total volume of the VR device housing 100. The use of such a range of volumes of the insert 30 may be effective to reduce the weight of the VR device housing 100, e.g., by designing the volume of the insert 30 to be 20%, 30%, or 60% of the total volume of the VR device housing 100.
Optionally, the material of the shell main body is at least one of Polycarbonate (PC), polyamide (PA), polypropylene (PP) and propylene-butadiene-styrene (ABS). The bi-directional fiber prepreg layer 32 on the surface of the insert 30 has a good bonding force with these plastic materials, so that the overall stability and reliability of the VR device housing 100 can be ensured.
The invention also provides a manufacturing method of the VR device housing 100, which is used for manufacturing the VR device housing 100 as described above.
Referring to fig. 4, in an embodiment of a method for manufacturing a VR device housing 100 of the present invention, the method for manufacturing the VR device housing 100 includes the following steps:
step S10, manufacturing an insert 30, wherein the insert 30 comprises at least one aerogel core layer 31;
step S20, placing the insert 30 into an injection mold, and injecting a plastic material into the injection mold, wherein the plastic material coats the insert 30, and the VR device housing 100 is obtained after injection molding.
The insert 30, the main body shell 10 and the cover shell 20 are combined into an integral structure by adopting an injection molding process, namely the VR equipment shell 100, wherein the main body shell 10 and the cover shell 20 are made of plastic materials, and one or more of polycarbonate, polyamide, polypropylene and propylene-butadiene-styrene copolymer can be selected and coated on the surface of the insert 30. The VR equipment shell 100 manufactured by the process is simple to operate, and the obtained VR equipment shell 100 is firm in structure, low in density, light in weight and high in specific modulus and strength.
It should be noted that, the injection molded product is generally subjected to a series of post-treatments, so as to obtain the VR device housing 100 required by the user, and the post-treatment operations include: surface spraying, UV (ultraviolet) highlight treatment, AF (ultraviolet), laser engraving, sand blasting and other surface treatments. And packaging after being inspected to be qualified.
Referring to fig. 2, 3 and 5, in one embodiment of the present invention, the step of fabricating the insert 30 includes:
step S11, paving a bidirectional fiber prepreg on the surface of the aerogel core layer 31 to obtain a material blank;
and step S12, sequentially attaching and compression molding the blank, and curing to obtain the insert 30.
Specifically, a layer of bidirectional fiber prepreg is laid on the surface of the aerogel core layer 31, the bidirectional fiber prepreg is prepared by impregnating a bidirectional weaving fiber layer in prepreg glue solution, the fiber type of the bidirectional weaving fiber layer can be carbon fiber, glass fiber, basalt fiber, aramid fiber and other high-strength fibers, the thickness of the prepreg is 0.4mm-1.6mm, the structural material is placed in a laminating machine for pre-lamination, then the structural material is placed in a mold for compression molding, and the molded structural material is cured to obtain the insert 30. The operation is simple and effective, and the manufactured insert 30 has better cracking resistance. It will be appreciated that in this embodiment, the insert 30 includes an aerogel core 31 and a bi-directional fiber prepreg layer 32 provided on the surface of the aerogel core 31.
In an alternative embodiment, the prepreg glue solution is at least one of epoxy resin glue solution, phenolic resin glue solution and unsaturated polyester resin glue solution. It should be noted that, because the curing parameters of each glue solution are different, in the compression molding process, the corresponding process parameters can be set according to the optimal curing parameters of the corresponding glue solution, so as to obtain the insert 30 with smaller density.
Further, referring to fig. 6, in step S11, a bi-directional fiber prepreg is laid on the surface of the aerogel core 31 to obtain a prepreg, which includes:
in step S11a, two-way fiber prepregs are respectively laid on the two surfaces of the aerogel core layer 31, so as to obtain a material blank.
Here, two layers of bidirectional fiber prepregs are respectively laid on the two surfaces of the aerogel core layer 31, and the materials of the two layers of bidirectional fiber prepregs may be the same or different, which is not limited herein. In this manner, the crack resistance of the insert 30 may be substantially improved, thereby ensuring the service life of the VR device housing 100. It can be appreciated that in this embodiment, the insert 30 includes one aerogel core layer 31 and two bidirectional fiber prepreg layers 32, and the two bidirectional fiber prepreg layers 32 are respectively disposed on two surfaces of the aerogel core layer 31 and are combined into an integral structure by bonding, curing, i.e. the insert 30.
The present invention also contemplates a VR device that includes a VR device housing 100 as described above, the VR device housing 100 having the specific structure described above with reference to the foregoing embodiments. Because the VR device adopts all the technical solutions of all the foregoing embodiments, at least the VR device has all the beneficial effects brought by the technical solutions of the foregoing embodiments, which are not described in detail herein.
The VR device of the invention can be selected from VR head-wearing devices such as VR glasses, VR helmets and the like.
The VR device housing 100 and its method of fabrication of the present invention will be described in detail with reference to specific embodiments.
In an embodiment, the VR headset housing is made by:
(1) Manufacturing the insert 30: compression molding the two-way carbon fiber prepreg, the aerogel core layer 31 and the two-way carbon fiber prepreg laminated structure to obtain a three-layer composite junctionStructured insert 30, the density of the insert 30 being 0.5g/cm 3 。
(2) Manufacturing VR headset shells: PC material is selected for the main body shell 10 and the cover shell 20, and the density is 1.2g/cm 3 The main body case 10, the insert 30 and the cover case 20 are manufactured into an integral structure through an injection molding process, namely, the VR device case 100. The thickness of the insert 30 is 80% of the total thickness of the VR device housing 100, and the width to the nose bridge portion has a measured volume of 47% of the total volume of the VR device housing 100.
The VR device housing 100 and the pure PC material housing manufactured in this embodiment are respectively subjected to weight detection, and the detection result shows that, compared with the pure PC material housing, the overall weight of the VR device housing 100 is reduced by 30%, and the front end has lighter weight, so that nose bridge compression and forward tilting tendency can be reduced, and wearing comfort of a user is obviously improved. Meanwhile, through test detection, the tensile modulus of the VR equipment housing 100 is larger than 20GPa, which indicates that the VR equipment housing 100 provided by the invention has better tensile modulus and longer service life.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.

Claims (11)

1. The VR equipment shell is characterized by comprising a main body shell, a cover shell and an insert, wherein the cover shell is covered on the main body shell and surrounds to form an installation space matched with the insert, the insert is arranged in the installation space, and the insert comprises at least one aerogel core layer;
the insert further comprises a bidirectional fiber prepreg layer, wherein the bidirectional fiber prepreg layer is arranged on the surface of the aerogel core layer;
the aerogel core layer is one layer, the two-way fiber prepreg layers are two layers, and the two-way fiber prepreg layers are respectively arranged on the two surfaces of the aerogel core layer;
the main shell is made of at least one of polycarbonate, polyamide, polypropylene and propylene-butadiene-styrene copolymer;
wherein, the insert, the main body shell and the cover shell are combined into an integrated structure through an injection molding process.
2. The VR device housing of claim 1, wherein the aerogel core layer has a density of 0.0355g/cm 3 -0.2g/cm 3 The method comprises the steps of carrying out a first treatment on the surface of the And/or the thickness of the aerogel core layer is 0.4mm-1.6mm.
3. The VR device housing of claim 1, wherein the aerogel core is at least one of a carbon aerogel, a silicon aerogel, and a porous aerogel-based foam.
4. The VR device housing of claim 1, wherein the bi-directional fiber prepreg layer has an areal density of 70g/m 2 -300g/m 2 The method comprises the steps of carrying out a first treatment on the surface of the And/or the number of the groups of groups,
the thickness of the bidirectional fiber prepreg layer is 40-160 mu m.
5. The VR device housing of claim 1, wherein the fibers in the bi-directional fiber prepreg layer are selected from at least one of carbon fibers, glass fibers, basalt fibers, and aramid fibers.
6. The VR device housing as set forth in any one of claims 1-5 wherein the insert has a density of 0.5g/cm 3 -0.6g/cm 3 The method comprises the steps of carrying out a first treatment on the surface of the And/or the number of the groups of groups,
the thickness of the insert is 40% to 80% of the total thickness of the VR device housing; and/or the number of the groups of groups,
the insert has a volume of 20% to 60% of the total volume of the VR device housing.
7. A method of manufacturing a VR device housing, comprising the steps of:
manufacturing an insert, wherein the insert comprises at least one aerogel core layer;
and placing the insert into an injection mold, injecting plastic materials into the injection mold, coating the insert with the plastic materials, and obtaining the VR equipment shell after injection molding.
8. The method of manufacturing a VR device housing of claim 7, wherein the step of manufacturing an insert comprises:
paving a bidirectional fiber prepreg on the surface of the aerogel core layer to obtain a material blank;
and sequentially performing laminating and compression molding operation on the blank, and curing to obtain the insert.
9. The VR device housing manufacturing method of claim 8, wherein the bi-directional fiber prepreg is prepared by impregnating a bi-directional woven fiber layer in a prepreg glue solution, and the prepreg glue solution is at least one of an epoxy resin glue solution, a phenolic resin glue solution and an unsaturated polyester resin glue solution.
10. The method of claim 8, wherein the step of laying a bi-directional fiber prepreg on the surface of the aerogel core to obtain a preform comprises:
and respectively paving two-way fiber prepregs on two surfaces of the aerogel core layer to obtain a material blank.
11. A VR device comprising the VR device housing as set forth in any one of claims 1-6.
CN202011368105.4A 2020-11-30 2020-11-30 VR equipment shell and manufacturing method thereof, and VR equipment Active CN112415751B (en)

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CN115373146A (en) * 2022-06-30 2022-11-22 歌尔股份有限公司 Intelligent head-mounted device and shell thereof
CN115175051A (en) * 2022-06-30 2022-10-11 歌尔股份有限公司 Shell of sound generating device, sound generating device and electronic equipment
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