Manufacturing Method of a Housing, the Housing, and an Electronic Device

Abstract

Embodiments of the present application provide a method for manufacturing a housing, a housing, and an electronic device. In the method for manufacturing the housing provided by the embodiments of the present application, a housing is processed and prepared by using a composite material laminated structure, and the reinforcing body in the first composite material layer located in the middle of the composite material laminated structure is set as aramid fiber. The advantage of strong impact resistance of aramid fiber can be utilized to improve the impact resistance of the housing. In addition, since the reinforcing bodies in the first composite material layer are different from those in the second and third composite material layers, the impact resistance of the housing can be improved by matching the reinforcing bodies of different materials. The method for manufacturing the housing can be used to prepare a Unibody structure, thereby significantly improving the impact resistance of the Unibody structure and preventing the Unibody structure from cracking when being collided or dropped.

Description

Technical Field

[0001] This application relates to the field of electronic products, and particularly to a manufacturing method of a housing, a housing and an electronic device. Background Art

[0002] Electronic products such as mobile phones, tablet computers, smart watches, etc. have gradually become an indispensable part of people's lives. When people choose and purchase electronic products, they not only consider the performance and configuration of the products, but usually also have certain requirements for the appearance of the products. Among them, the outer shell of electronic products is an important factor determining the appearance of electronic products.

[0003] The existing outer shell types of electronic products usually include a three-piece structure (front shell + middle frame + rear shell) and a two-piece structure (front shell + Unibody structure), where the Unibody structure refers to a structure in which the middle frame and the rear shell are integrated. When the outer shell of an electronic product adopts the Unibody structure, the electronic product has a better appearance effect, is overall round and beautiful, and has a good holding feeling. However, the existing Unibody structure has the problem of poor impact resistance and is prone to cracking when being collided or dropped. Summary of the Invention

[0004] Embodiments of this application provide a manufacturing method of a housing, a housing and an electronic device. The manufacturing method of the housing can be used to prepare a Unibody structure, thereby significantly improving the impact resistance of the Unibody structure and preventing the Unibody structure from cracking when being collided or dropped.

[0005] In a first aspect, embodiments of this application provide a manufacturing method of a housing, including:

[0006] Providing a composite material laminated structure, the composite material laminated structure includes a first composite material layer, a second composite material layer and a third composite material layer. The second composite material layer and the third composite material layer are respectively arranged on both sides of the first composite material layer. The first composite material layer, the second composite material layer and the third composite material layer all include a reinforcement and a resin. Among them, the reinforcement in the first composite material layer is aramid fiber, and the reinforcement in the second composite material layer and the reinforcement in the third composite material layer both include one or more of glass fiber, carbon fiber, and metal fiber;

[0007] Softening the composite material laminated structure, applying pressure to the composite material laminated structure, connecting the composite material layers in the composite material laminated structure together, and forming a preset shape of the composite material laminated structure to obtain a housing.

[0008] Second aspect, an embodiment of the present application provides a housing, including a housing body, which is processed from a composite material laminated structure. The composite material laminated structure includes a first composite material layer, a second composite material layer, and a third composite material layer. The second composite material layer and the third composite material layer are respectively disposed on both sides of the first composite material layer. The first composite material layer, the second composite material layer, and the third composite material layer all include a reinforcement and a resin. Among them, the reinforcement in the first composite material layer is aramid fiber, and the reinforcements in the second composite material layer and the third composite material layer both include one or more of glass fiber, carbon fiber, and metal fiber.

[0009] Third aspect, an embodiment of the present application provides an electronic device, including a housing prepared by the manufacturing method of the housing as described above or the housing as described above.

[0010] The manufacturing method of the housing provided by the embodiment of the present application processes and prepares the housing by using a composite material laminated structure, and sets the reinforcement in the first composite material layer located in the middle of the composite material laminated structure as aramid fiber, so as to utilize the advantage of strong impact resistance of aramid fiber to improve the impact resistance of the housing. In addition, since the reinforcements in the first composite material layer are different from those in the second composite material layer and the third composite material layer, the impact resistance of the housing can be improved by the combination of reinforcements of different materials; the manufacturing method of this housing can be used to prepare a Unibody structure, thereby significantly improving the impact resistance of the Unibody structure and preventing the Unibody structure from cracking when being collided or dropped; in addition, since the housing has strong impact resistance, it is beneficial to realize the thin and light design of the housing; and since the reinforcements in the second composite material layer and the third composite material layer both use fiber materials with lower costs such as glass fiber, carbon fiber, and metal fiber, the production cost of the housing can be reduced. In addition, when the reinforcements in the second composite material layer and the third composite material layer are selected as glass fiber, carbon fiber, and / or metal fiber, the outer surface of the prepared housing is smooth and has good appearance expressiveness. Description of the Drawings

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present application. For those skilled in the art, without creative efforts, other drawings can be obtained according to these drawings.

[0012] Figure 1 It is a flowchart of the manufacturing method of the housing provided by the embodiment of the present application.

[0013] Figure 2 The first cross-sectional schematic diagram of the composite material laminated structure provided by the embodiment of the present application.

[0014] Figure 3 The second cross-sectional schematic diagram of the composite material laminated structure provided by the embodiment of the present application.

[0015] Figure 4 The third cross-sectional schematic diagram of the composite material laminated structure provided by the embodiment of the present application.

[0016] Figure 5 The fourth cross-sectional schematic diagram of the composite material laminated structure provided by the embodiment of the present application.

[0017] Figure 6 The first structural schematic diagram of the housing provided by the embodiment of the present application.

[0018] Figure 7 The second structural schematic diagram of the housing provided by the embodiment of the present application.

[0019] Figure 8 The third structural schematic diagram of the housing provided by the embodiment of the present application.

[0020] Figure 9 The fourth structural schematic diagram of the housing provided by the embodiment of the present application.

[0021] Figure 10 The structural schematic diagram of the electronic device provided by the embodiment of the present application. Detailed implementation manners

[0022] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present application.

[0023] Please refer to Figure 1 , Figure 1 which is the flowchart of the manufacturing method of the housing provided by the embodiment of the present application. The embodiment of the present application provides a manufacturing method of a housing, including:

[0024] S100, provide a composite laminate structure, which includes a first composite layer, a second composite layer, and a third composite layer. The second composite layer and the third composite layer are respectively disposed on both sides of the first composite layer. The first composite layer, the second composite layer, and the third composite layer all include a reinforcement and a resin. Among them, the reinforcement in the first composite layer is aramid fiber, and the reinforcements in the second composite layer and the third composite layer both include one or more of glass fiber, carbon fiber, and metal fiber.

[0025] It should be noted that this composite laminate structure can be used for processing and manufacturing a housing. By setting the reinforcement in the first composite layer located in the middle of the composite laminate structure as aramid fiber, the impact resistance of the housing can be improved by taking advantage of the strong impact resistance of aramid fiber. In addition, since the reinforcements in the first composite layer are different from those in the second composite layer and the third composite layer, the impact resistance of the housing can be improved through the combination of reinforcements of different materials; since the housing has strong impact resistance, it is conducive to realizing the lightweight design of the housing; and since the reinforcements in the second composite layer and the third composite layer both use fiber materials with relatively low costs such as glass fiber, carbon fiber, and metal fiber, the production cost of the housing can be reduced.

[0026] In addition, the inventors of this application found in experiments that when the reinforcements in the second composite layer and the third composite layer are selected as aramid fiber, the outer surface of the manufactured housing is relatively rough and the appearance expressiveness is poor. When the reinforcements in the second composite layer and the third composite layer are selected as glass fiber, carbon fiber, and / or metal fiber, the outer surface of the manufactured housing is smooth and has good appearance expressiveness.

[0027] Please refer to Figure 2 , Figure 2 which is the first cross-sectional schematic diagram of the composite laminate structure provided by the embodiment of this application. The composite laminate structure 10 includes a second composite layer 12, a first composite layer 11, and a third composite layer 13 that are sequentially stacked.

[0028] In some embodiments, the reinforcements in the second composite layer 12 and the third composite layer 13 are the same.

[0029] Exemplarily, the single filament diameters of glass fiber, carbon fiber, aramid fiber, and metal fiber are 5 μm to 10 μm, such as 5 μm, 6 μm, 7 μm, 8 μm, 9 μm, 10 μm, etc.

[0030] Please combine Figure 2, the reinforcing body in the second composite material layer 12 can be glass fiber, and the reinforcing body in the third composite material layer 13 can be carbon fiber. It can be understood that by setting the reinforcing bodies in the first composite material layer 11, the second composite material layer 12, and the third composite material layer 13 as different fiber materials respectively, the advantages of various fiber materials can be complemented, while enhancing the impact resistance of the housing 100, making the housing 100 have better toughness and better mechanical strength.

[0031] Exemplarily, when the reinforcing body in the second composite material layer 12 is glass fiber and the reinforcing body in the third composite material layer 13 is carbon fiber, the thickness of the second composite material layer 12 is greater than the thickness of the first composite material layer 11, and the thickness of the first composite material layer 11 is greater than the thickness of the third composite material layer 13. It can be understood that since the tensile strengths of carbon fiber, aramid fiber, and glass fiber decrease in sequence, therefore, setting the thicknesses of the third composite material layer 13, the first composite material layer 11, and the second composite material layer 12 to gradually increase can balance the tensile strengths of the first composite material layer 11, the second composite material layer 12, and the third composite material layer 13, and eliminate or reduce problems such as deformation caused by inconsistent tensile strengths of each composite material layer.

[0032] Exemplarily, when the reinforcing body in the first composite material layer 11 is aramid fiber, the reinforcing body in the second composite material layer 12 is glass fiber, and the reinforcing body in the third composite material layer 13 is carbon fiber, the thickness ratio among the third composite material layer 13, the first composite material layer 11, and the second composite material layer 12 can be 1:(1.1 - 1.5):(1.2 - 2), such as 1:1.1:1.2, 1:1.2:1.4, 1:1.3:1.5, 1:1.4:1.7, 1:1.5:2, etc.

[0033] Please combine Figure 2 , the reinforcing bodies in the second composite material layer 12 and the third composite material layer 13 can both be glass fiber. When the reinforcing bodies in the second composite material layer 12 and the third composite material layer 13 are both glass fiber, it can be set that the thickness of the second composite material layer 12 and the thickness of the third composite material layer 13 are both greater than the thickness of the first composite material layer 11. Exemplarily, the thickness of the second composite material layer 12 is equal to the thickness of the third composite material layer 13. It can be understood that since the tensile strength of glass fiber is lower than that of aramid fiber, therefore, setting the thickness of the second composite material layer 12 and the thickness of the third composite material layer 13 to be both greater than the thickness of the first composite material layer 11 can balance the tensile strengths of the first composite material layer 11, the second composite material layer 12, and the third composite material layer 13, and eliminate or reduce problems such as deformation caused by inconsistent tensile strengths of each composite material layer.

[0034] Exemplarily, when the reinforcing body in the first composite material layer 11 is aramid fiber, and the reinforcing bodies in the second composite material layer 12 and the third composite material layer 13 are both glass fibers, the thickness ratio among the first composite material layer 11, the second composite material layer 12, and the third composite material layer 13 can be 1:(1.1 - 1.5):(1.1 - 1.5), such as 1:1.1:1.1, 1:1.2:1.2, 1:1.3:1.3, 1:1.4:1.4, 1:1.5:1.5, etc.

[0035] Please refer to Figure 2 , the reinforcing bodies in the second composite material layer 12 and the third composite material layer 13 can both be carbon fibers. When the reinforcing bodies in the second composite material layer 12 and the third composite material layer 13 are both carbon fibers, the thicknesses of the second composite material layer 12 and the third composite material layer 13 can be set to be less than the thickness of the first composite material layer 11. Exemplarily, the thicknesses of the second composite material layer 12 and the third composite material layer 13 are equal. It can be understood that since the tensile strength of aramid fiber is lower than that of carbon fiber, setting the thicknesses of the second composite material layer 12 and the third composite material layer 13 to be less than the thickness of the first composite material layer 11 can balance the tensile strengths of the first composite material layer 11, the second composite material layer 12, and the third composite material layer 13, and eliminate or reduce problems such as deformation caused by inconsistent tensile strengths of each composite material layer.

[0036] Exemplarily, when the reinforcing body in the first composite material layer 11 is aramid fiber, and the reinforcing bodies in the second composite material layer 12 and the third composite material layer 13 are both carbon fibers, the thickness ratio among the first composite material layer 11, the second composite material layer 12, and the third composite material layer 13 is 1:(0.5 - 0.9):(0.5 - 0.9), such as 1:0.9:0.9, 1:0.8:0.8, 1:0.7:0.7, 1:0.6:0.6, 1:0.5:0.5, etc.

[0037] It can be understood that when the reinforcing bodies in the second composite material layer 12 and the third composite material layer 13 are of the same fiber material (such as glass fiber or carbon fiber), it is equivalent to setting two identical composite material layers on both sides of the first composite material layer 11, thereby achieving a symmetric design. Since the thermal shrinkage rates of the same fiber material are the same, after heating and pressurizing the composite material laminated structure 10, the manufactured housing 100 has a better forming effect.

[0038] Please refer to Figure 3 , Figure 3 This is the second cross-sectional schematic diagram of the composite material laminated structure provided by the embodiment of the present application. Figure 2The shown composite material laminated structure 10 (when the reinforcing bodies in the second composite material layer 12 are the same as those in the third composite material layer 13) is different in that the composite material laminated structure 10 further includes a fourth composite material layer 14. The fourth composite material layer 14 is disposed between the first composite material layer 11 and the second composite material layer 12. The fourth composite material layer 14 includes a reinforcing body and a resin, and the reinforcing body in the fourth composite material layer 14 is aramid fiber.

[0039] It can be understood that when the reinforcing bodies in the first composite material layer 11 and the fourth composite material layer 14 are the same fiber material (aramid fiber), and the reinforcing bodies in the second composite material layer 12 and the third composite material layer 13 are the same fiber material, it is equivalent to that the entire composite material laminated structure 10 is symmetrically designed. Since the thermal shrinkage rates of the same fiber material are the same, after heating and pressurizing the composite material laminated structure 10, the obtained housing 100 has a better forming effect.

[0040] Please refer to Figure 4 , Figure 4 which is the third cross-sectional schematic diagram of the composite material laminated structure provided by the embodiment of the present application. Compared with Figure 3 the shown composite material laminated structure 10 (when the reinforcing bodies in the first composite material layer 11 are the same as those in the fourth composite material layer 14, and the reinforcing bodies in the second composite material layer 12 are the same as those in the third composite material layer 13), the difference is that the composite material laminated structure 10 further includes a fifth composite material layer 15 and a sixth composite material layer 16. The fifth composite material layer 15 is disposed between the second composite material layer 12 and the fourth composite material layer 14, and the sixth composite material layer 16 is disposed between the first composite material layer 11 and the third composite material layer 13;

[0041] Both the fifth composite material layer 15 and the sixth composite material layer 16 include a reinforcing body and a resin, and the reinforcing body in the fifth composite material layer 15 is the same as the reinforcing body in the sixth composite material layer 16. Exemplarily, the reinforcing bodies in the fifth composite material layer 15 and the sixth composite material layer 16 both include one or more of glass fiber, carbon fiber, aramid fiber, and metal fiber.

[0042] It can be understood that when the reinforcing bodies in the fifth composite material layer 15 and the reinforcing bodies in the sixth composite material layer 16 are of the same fiber material, and the reinforcing bodies in the first composite material layer 11 and the reinforcing bodies in the fourth composite material layer 14 are of the same fiber material (aramid fiber), and the reinforcing bodies in the second composite material layer 12 and the reinforcing bodies in the third composite material layer 13 are of the same fiber material, it is equivalent to that the entire composite material laminated structure 10 is symmetrically designed. Since the thermal shrinkage rates of the same fiber material are the same, after heating and pressurizing the composite material laminated structure 10, the obtained housing 100 has a good forming effect.

[0043] Please refer to Figure 5 , Figure 5 which is the fourth cross-sectional schematic view of the composite material laminated structure provided by the embodiment of the present application. Compared with Figure 2 the composite material laminated structure 10 shown (when the reinforcing bodies in the second composite material layer 12 and the reinforcing bodies in the third composite material layer 13 are the same), the difference is that the composite material laminated structure 10 further includes a seventh composite material layer 17 and an eighth composite material layer 18. The seventh composite material layer 17 is disposed between the first composite material layer 11 and the second composite material layer 12, and the eighth composite material layer 18 is disposed between the first composite material layer 11 and the third composite material layer 13;

[0044] Both the seventh composite material layer 17 and the eighth composite material layer 18 include a reinforcing body and a resin, and the reinforcing body in the seventh composite material layer 17 is the same as the reinforcing body in the eighth composite material layer 18. Exemplarily, the reinforcing bodies in the seventh composite material layer 17 and the eighth composite material layer 18 both include one or more of glass fiber, carbon fiber, aramid fiber, and metal fiber.

[0045] It can be understood that when the reinforcing bodies in the second composite material layer 12 and the reinforcing bodies in the third composite material layer 13 are the same, and at the same time the reinforcing bodies in the seventh composite material layer 17 and the eighth composite material layer 18 are the same, it is equivalent to that the entire composite material laminated structure 10 is symmetrically designed. Since the thermal shrinkage rates of the same fiber material are the same, after heating and pressurizing the composite material laminated structure 10, the obtained housing 100 has a good forming effect.

[0046] Exemplarily, in the composite material laminate structure 10, the thickness of each composite material layer can be 30 μm - 200 μm, that is, the thicknesses of the first composite material layer 11, the second composite material layer 12, the third composite material layer 13, the fourth composite material layer 14, the fifth composite material layer 15, the sixth composite material layer 16, the seventh composite material layer 17, and the eighth composite material layer 18 can all be 30 μm - 200 μm, such as 30 μm, 50 μm, 70 μm, 75 μm, 80 μm, 90 μm, 100 μm, 120 μm, 140 μm, 160 μm, 180 μm, 200 μm, etc. It can be understood that when the composite material laminate structure 10 includes three composite material layers and the thickness of each composite material layer is 30 μm, the housing 100 prepared in the embodiment of the present application can achieve a minimum thickness of 90 μm.

[0047] Please refer to Figure 2 , when the composite material laminate structure 10 is composed of the first composite material layer 11, the second composite material layer 12, and the third composite material layer 13, and the thicknesses of the first composite material layer 11, the second composite material layer 12, and the third composite material layer 13 are all 0.1 mm, the thickness of the composite material laminate structure 10 is 0.3 mm, and the thickness of the prepared housing 100 is 0.3 mm. At this time, the rigid strength of the housing 100 is equivalent to that of a PC (polycarbonate) plate with a thickness of 0.6 mm. That is to say, the housing 100 prepared in the embodiment of the present application can achieve the same rigid strength with half the thickness of the PC plate, thereby realizing the lightweight and thin design of the housing 100, and further realizing the lightweight and thin design of the electronic device 200 using the housing 100.

[0048] Exemplarily, in the composite material laminate structure 10, the resin in each composite material layer (such as the first composite material layer 11, the second composite material layer 12, the third composite material layer 13, the fourth composite material layer 14, the fifth composite material layer 15, the sixth composite material layer 16, the seventh composite material layer 17, and the eighth composite material layer 18) can include one or more of thermoplastic resins and thermosetting resins. Exemplarily, the thermoplastic resin can include one or more of polyethersulfone, polyphenylene sulfide, polyetherimide, polyetheretherketone, and polyetherimide; the thermosetting resin can include one or more of epoxy resin, phenolic resin, unsaturated polyester, bismaleimide, and polyimide. In the embodiment of the present application, "multiple" means two or more, such as three, four, five, six, etc. Since the impact resistance of thermoplastic resins is better than that of thermosetting resins, when the resin in each composite material layer is selected as a thermoplastic resin, it is more beneficial to improve the impact resistance of the housing 100.

[0049] It should be noted that when there is a need for antenna clearance in the housing 100, non-conductive fiber materials such as glass fiber or aramid fiber can be provided at the antenna position on the housing 100 instead of conductive fiber materials such as carbon fiber, so that the antenna signal can pass through.

[0050] S200, soften the composite laminate structure, apply pressure to the composite laminate structure to connect the composite layers in the composite laminate structure, and make the composite laminate structure form a preset shape to obtain the housing.

[0051] Exemplarily, "softening the composite laminate structure 10" may specifically include: softening the composite laminate structure 10 by heating.

[0052] Exemplarily, "softening the composite laminate structure 10 and applying pressure to the composite laminate structure 10" can be carried out in a mold, that is to say, the housing 100 is obtained by using the mold forming method.

[0053] Please refer to Figure 6 , Figure 6 , which is the first structural schematic diagram of the housing provided by the embodiment of the present application. The housing 100 can be a 2.5D structure or a 3D structure. Of course, the housing 100 can also be a 2D structure, that is, in a flat shape.

[0054] Please refer to Figure 7 , Figure 7 , which is the second structural schematic diagram of the housing provided by the embodiment of the present application. "Applying pressure to the composite laminate structure to connect the composite layers in the composite laminate structure and making the composite laminate structure form a preset shape to obtain the housing" may specifically include: applying pressure to the composite laminate structure 10 to connect the composite layers in the composite laminate structure 10 and making the composite laminate structure 10 form a preset shape to obtain the housing body 110; arranging an assembly structural member 120 on the inner surface of the housing body 110 to obtain the housing 100. It can be understood that by arranging the assembly structural member 120 on the inner surface of the housing body 110, the inner side of the housing 100 can have the function of installing and fixing various components in the electronic device. When the housing 100 is a Unibody structure, the assembly structural member 120 can play the role of replacing the middle frame.

[0055] Exemplarily, "arranging the assembly structure member 120 on the inner surface of the housing body 110" may specifically include: obtaining the assembly structure member 120 and installing the assembly structure member 120 on the inner surface of the housing body 110. It can be understood that "obtaining the assembly structure member 120" may be preparing the assembly structure member 120 or purchasing the assembly structure member 120. "Installing the assembly structure member 120 on the inner surface of the housing body 110" may specifically be: bonding the assembly structure member 120 to the inner surface of the housing body 110 using an adhesive. It can be understood that the "inner surface of the housing body 110" refers to the surface of the housing body 110 on the side close to the device body when the housing is applied to an electronic device.

[0056] Exemplarily, "arranging the assembly structure member 120 on the inner surface of the housing body 110" may also specifically include: placing the housing body 110 in a mold and forming the assembly structure member 120 on the inner surface of the housing body 110 by injection molding, so that the assembly structure member 120 and the housing body 110 form an integral structure. It can be understood that since a molten resin material is used in the injection molding process and the molten resin material can directly bond to the housing body 110, the obtained assembly structure member 120 and the housing body 110 form an integral structure.

[0057] Please refer to Figure 8 , Figure 8 which is the third structural schematic diagram of the housing provided by the embodiment of the present application. After arranging the assembly structure member 120 on the inner surface of the housing body 110, a decorative layer 130 is arranged on the outer surface of the housing body 110; or

[0058] before arranging the assembly structure member 120 on the inner surface of the housing body 110, a decorative layer 130 is arranged on the outer surface of the housing body 110.

[0059] It can be understood that the outer surface of the housing body 110 refers to the surface on the side facing the user of the housing body 110 when the housing 100 is applied to the electronic device 200.

[0060] Exemplarily, the decorative layer 130 may be a film layer with colors and / or texture patterns, or may be a transparent film layer. The material of the decorative layer 130 may include resin materials, and further may include pigments; the decorative layer 130 may be prepared by processes such as spraying or transfer printing; the surface on the side away from the housing body 110 of the decorative layer 130 (i.e., the outer surface) may be a surface with concave-convex texture patterns, or a frosted surface, or a smooth surface. When the surface on the side away from the housing body 110 of the decorative layer 130 is a smooth surface, the effect of preventing dirt can be achieved.

[0061] In some embodiments, when the reinforcing body of the outermost composite material layer in the housing body 110 is glass fiber, since the glass fiber is transparent and cannot form an obvious texture effect, the decorative layer 130 can be set as a film layer with color and / or texture pattern; when the reinforcing body of the outermost composite material layer in the housing body 110 is carbon fiber or aramid fiber, since the carbon fiber and aramid fiber themselves have obvious texture effects, the decorative layer 130 can be set as a transparent film layer, and the obtained housing 100 can directly use the texture of the carbon fiber or aramid fiber as the appearance effect.

[0062] Please refer to Figure 9 , Figure 9 FIG. is the fourth structural schematic diagram of the housing provided by the embodiment of the present application. "Applying pressure to the composite material laminated structure to connect the composite material layers in the composite material laminated structure and make the composite material laminated structure form a preset shape to obtain the housing" can specifically include: applying pressure to the composite material laminated structure 10 to connect the composite material layers in the composite material laminated structure 10 and make the composite material laminated structure 10 form a preset shape to obtain the housing body 110; setting a decorative layer 130 on the outer surface of the housing body 110 to obtain the housing 100. It can be seen that this method does not set an assembly structural member 120 on the inner surface of the housing body 110, that is to say, the obtained housing 100 is not a Unibody structure but a conventional housing.

[0063] Please combine Figures 6 to 9 The embodiment of the present application also provides a housing 100, which can be obtained by using the manufacturing method of the housing in any of the above embodiments. The housing 100 can include a housing body 110, and the housing body 110 is processed from the composite material laminated structure 10. Since the composite material laminated structure 10 has been described in detail above, it will not be repeated here. It can be understood that "processing" refers to "softening the composite material laminated structure 10, applying pressure to the composite material laminated structure 10 to connect the composite material layers in the composite material laminated structure 10, and making the composite material laminated structure 10 form a preset shape" described above.

[0064] Please combine Figure 7 The housing 100 may further include an assembly structural member 120 disposed on the inner surface of the housing body 110. It can be understood that when the assembly structural member 120 is provided on the inner surface of the housing body 110, the housing 100 can be a Unibody structure (i.e., an integrated structure of the middle frame and the back cover), and when the assembly structural member 120 is not provided on the inner surface of the housing body 110, the housing 100 can be a conventional electronic device housing (such as a mobile phone back cover, etc.).

[0065] Please combine Figure 8, on the basis that the assembly structural member 120 is provided on the inner surface of the housing body 110, the housing 100 may further include a decorative layer 130 provided on the outer surface of the housing body 110.

[0066] Please refer to Figure 9 , in the case where the assembly structural member 120 is not provided on the inner surface of the housing body 110, the housing 100 may further include a decorative layer 130 provided on the outer surface of the housing body 110.

[0067] Please refer to Figure 10 , Figure 10 is a schematic structural diagram of an electronic device provided by an embodiment of the present application. An embodiment of the present application further provides an electronic device 200, and the electronic device 200 may include the housing 100 in any of the above embodiments.

[0068] Exemplarily, the electronic device 200 may be a mobile terminal such as a mobile phone or a tablet computer, and may also be a device with a display screen such as a game device, an Augmented Reality (AR) device, a Virtual Reality (VR) device, a data storage device, an audio playback device, a video playback device, a wearable device, etc. The wearable device may be a smart bracelet, smart glasses, a smart watch, smart decoration, etc.

[0069] Exemplarily, when the electronic device 200 is a mobile phone, the housing 100 may be the back cover of the mobile phone; when the electronic device 200 is a smart watch, the housing 100 may be the back cover of the smart watch.

[0070] The above has introduced in detail the manufacturing method, the housing and the electronic device provided by the embodiments of the present application. Specific examples are used in this article to elaborate on the principle and implementation manner of the present application. The description of the above embodiments is only used to help understand the present application. At the same time, for those skilled in the art, according to the idea of the present application, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present application.

Claims

1. A manufacturing method of a housing, characterized in that, Comprising: Providing a composite material laminate structure, the composite material laminate structure includes a first composite material layer, a second composite material layer, and a third composite material layer. The second composite material layer and the third composite material layer are respectively disposed on both sides of the first composite material layer. The first composite material layer, the second composite material layer, and the third composite material layer all include a reinforcement and a resin. Among them, the reinforcement in the first composite material layer is aramid fiber, and the reinforcements in the second composite material layer and the third composite material layer both include one or more of glass fiber, carbon fiber, and metal fiber. Among them, the thickness of each composite material layer is 30μm - 200μm; Softening the composite material laminate structure, applying pressure to the composite material laminate structure to connect the composite material layers in the composite material laminate structure together, and forming the composite material laminate structure into a preset shape to obtain a housing; Among them, when the reinforcements in the second composite material layer and the third composite material layer are the same, the thickness relationship among the first composite material layer, the second composite material layer, and the third composite material layer includes: If the reinforcement in the second composite material layer or the third composite material layer is glass fiber, then the ratio of the thickness of the second composite material layer or the third composite material layer to the thickness of the first composite material layer is (1.1~1.5):1; If the reinforcement in the second composite material layer or the third composite material layer is carbon fiber, then the ratio of the thickness of the second composite material layer or the third composite material layer to the thickness of the first composite material layer is (0.5~0.9):1; When the reinforcements in the second composite material layer and the third composite material layer are different, the thickness relationship among the first composite material layer, the second composite material layer, and the third composite material layer includes: If the reinforcement in the second composite material layer is glass fiber and the reinforcement in the third composite material layer is carbon fiber, then the ratio of the thicknesses of the first composite material layer, the second composite material layer, and the third composite material layer is (1.1~1.5):(1.2~2):

1.

2. The manufacturing method of the housing according to claim 1, characterized in that, The reinforcements in the second composite material layer and the third composite material layer are the same.

3. The manufacturing method of the housing according to claim 2, characterized in that, The composite material laminate structure further includes a fourth composite material layer. The fourth composite material layer is disposed between the first composite material layer and the second composite material layer. The fourth composite material layer includes a reinforcement and a resin. The reinforcement in the fourth composite material layer is aramid fiber.

4. The manufacturing method of the housing according to claim 3, characterized in that, The composite material laminate structure further includes a fifth composite material layer and a sixth composite material layer. The fifth composite material layer is disposed between the second composite material layer and the fourth composite material layer, and the sixth composite material layer is disposed between the first composite material layer and the third composite material layer; The fifth composite material layer and the sixth composite material layer both include a reinforcement and a resin, and the reinforcements in the fifth composite material layer and the sixth composite material layer are the same.

5. The manufacturing method of the housing according to claim 2, characterized in that The composite material laminated structure further includes a seventh composite material layer and an eighth composite material layer. The seventh composite material layer is disposed between the first composite material layer and the second composite material layer, and the eighth composite material layer is disposed between the first composite material layer and the third composite material layer; Both the seventh composite material layer and the eighth composite material layer include a reinforcement and a resin, and the reinforcement in the seventh composite material layer is the same as the reinforcement in the eighth composite material layer.

6. The manufacturing method of the housing according to claim 1, characterized in that, The reinforcement in the second composite material layer is glass fiber, and the reinforcement in the third composite material layer is carbon fiber; Or The reinforcements in both the second composite material layer and the third composite material layer are glass fibers; Or The reinforcements in both the second composite material layer and the third composite material layer are carbon fibers.

7. The manufacturing method of the housing according to claim 1, characterized in that, Applying pressure to the composite material laminated structure to connect the composite material layers in the composite material laminated structure and to form a preset shape for the composite material laminated structure, obtaining a housing includes: Applying pressure to the composite material laminated structure to connect the composite material layers in the composite material laminated structure and to form a preset shape for the composite material laminated structure, obtaining a housing body; Providing an assembly structure member on the inner surface of the housing body to obtain a housing.

8. The manufacturing method of the housing according to claim 7, characterized in that, The providing an assembly structure member on the inner surface of the housing body includes: obtaining an assembly structure member and installing the assembly structure member on the inner surface of the housing body; or The providing an assembly structure member on the inner surface of the housing body includes: disposing the housing body in a mold and forming an assembly structure member on the inner surface of the housing body by an injection molding method, so that the assembly structure member and the housing body form an integral structure.

9. The manufacturing method of the housing according to claim 7, characterized in that, After providing an assembly structure member on the inner surface of the housing body, providing a decorative layer on the outer surface of the housing body; or Before providing an assembly structure member on the inner surface of the housing body, providing a decorative layer on the outer surface of the housing body.

10. A housing, characterized in that, Including a housing body, the housing body is processed from a composite material laminated structure. The composite material laminated structure includes a first composite material layer, a second composite material layer, and a third composite material layer. The second composite material layer and the third composite material layer are respectively disposed on both sides of the first composite material layer. The first composite material layer, the second composite material layer, and the third composite material layer all include a reinforcement and a resin. Among them, the reinforcement in the first composite material layer is aramid fiber, and the reinforcements in both the second composite material layer and the third composite material layer include one or more of glass fiber, carbon fiber, and metal fiber. Among them, the thickness of each composite material layer is 30μm - 200μm. When the reinforcements in the second composite material layer and the third composite material layer are the same, the thickness relationship among the first composite material layer, the second composite material layer, and the third composite material layer includes: If the reinforcement in the second composite material layer or the third composite material layer is glass fiber, the ratio of the thickness of the second composite material layer or the third composite material layer to the thickness of the first composite material layer is (1.1 to 1.5):1; If the reinforcement in the second composite material layer or the third composite material layer is carbon fiber, the ratio of the thickness of the second composite material layer or the third composite material layer to the thickness of the first composite material layer is (0.5 to 0.9):1; When the reinforcement in the second composite material layer is different from the reinforcement in the third composite material layer, the thickness relationship among the first composite material layer, the second composite material layer, and the third composite material layer includes: If the reinforcement in the second composite material layer is glass fiber and the reinforcement in the third composite material layer is carbon fiber, the ratio of the thicknesses of the first composite material layer, the second composite material layer, and the third composite material layer is (1.1 to 1.5):(1.2 to 2):

1.

11. The housing according to claim 10, wherein, The reinforcement in the second composite material layer is the same as the reinforcement in the third composite material layer.

12. The housing according to claim 11, characterized in that, The composite material laminated structure further includes a fourth composite material layer disposed between the first composite material layer and the second composite material layer. The fourth composite material layer includes a reinforcement and a resin, and the reinforcement in the fourth composite material layer is aramid fiber.

13. The housing according to claim 12, characterized in that, The composite material laminated structure further includes a fifth composite material layer and a sixth composite material layer. The fifth composite material layer is disposed between the second composite material layer and the fourth composite material layer, and the sixth composite material layer is disposed between the first composite material layer and the third composite material layer; Both the fifth composite material layer and the sixth composite material layer include a reinforcement and a resin, and the reinforcement in the fifth composite material layer is the same as the reinforcement in the sixth composite material layer.

14. The housing according to claim 11, characterized in that, The composite material laminated structure further includes a seventh composite material layer and an eighth composite material layer. The seventh composite material layer is disposed between the first composite material layer and the second composite material layer, and the eighth composite material layer is disposed between the first composite material layer and the third composite material layer; Both the seventh composite material layer and the eighth composite material layer include a reinforcement and a resin, and the reinforcement in the seventh composite material layer is the same as the reinforcement in the eighth composite material layer.

15. According to the housing of claim 10, the reinforcement in the second composite material layer is glass fiber and the reinforcement in the third composite material layer is carbon fiber; or the reinforcement in the second composite material layer and the reinforcement in the third composite material layer are both glass fiber; or the reinforcement in the second composite material layer and the reinforcement in the third composite material layer are both carbon fiber.

16. The housing according to claim 10, characterized in that, The housing further includes an assembly structural member disposed on the inner surface of the housing body.

17. The housing according to claim 10, characterized in that, The housing further includes a decorative layer disposed on the outer surface of the housing body.

18. An electronic device, characterized in that, A housing obtained by the manufacturing method of the housing according to any one of claims 1-9 or a housing according to any one of claims 10-17.

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