Electronic device

Abstract

The application provides an electronic device, comprising: a middle frame, a ventilation channel is formed in the middle frame, a first end of the ventilation channel is provided with a ventilation hole for communicating with an external environment; a first waterproof and breathable film assembly is installed on the middle frame and covers a second end of the ventilation channel, the first waterproof and breathable film assembly comprises a first waterproof and breathable film body and a reinforcing structure which are stacked, the reinforcing structure comprises a ring-shaped part and a reinforcing part, two ends of the reinforcing part are connected with inner ring walls of the ring-shaped part respectively, the reinforcing part divides an inner space of the ring-shaped part into a first through hole and a second through hole, and the first through hole and the second through hole are used for communicating with the ventilation channel respectively. Through the arrangement, the reinforcing structure as a whole presents a "day" character type, sufficient protection is provided for the first waterproof and breathable film body, and the first waterproof and breathable film body is prevented from being broken when subjected to high-pressure water flow impact.

Description

Technical Field

[0001] This application relates to the field of electronic product technology, and in particular to an electronic device. Background Technology

[0002] Most mobile phones and other electronic devices on the market today are equipped with waterproof and breathable membranes to meet the IP68 waterproof rating, which has a relatively shallow depth, such as 1.5m IP68 waterproof. These waterproof and breathable membranes are made of ePTFE (expanded polytetrafluoroethylene), whose micropore size lies between that of liquid water and gas. This allows gas to pass through normally while preventing liquid water from passing through. Simultaneously, its surface energy is much lower than that of water, so the surface will not be wetted or subject to capillary permeation.

[0003] With the diversification of user needs, electronic devices have also developed a series of waterproof requirements. For example, swimming / scuba diving may require depths exceeding 1.5 meters (reaching 6 meters and above), while hiking, camping, or rafting near water also carries the risk of accidental water damage if the phone falls into the water. Furthermore, users sometimes take their phones into kitchens, bathrooms, water parks, hot springs, and other environments where hot water may come into contact with the phone, necessitating an IP69K waterproof rating.

[0004] However, when the waterproof rating is increased, the micropore size of the waterproof and breathable membrane becomes larger due to the increased water pressure, increasing the risk of leakage. Therefore, increasing the waterproof rating requires a corresponding reduction in the micropore area of ​​the breathable membrane. Since the overall air permeability requirement remains constant, the overall area of ​​the waterproof and breathable membrane needs to be increased. Simultaneously, increasing the waterproof rating also necessitates a corresponding increase in the width of the bottom waterproof adhesive. Thus, when the waterproof rating is increased, the area of ​​the waterproof and breathable membrane needs to be several times larger than before. With this increased area, the waterproof and breathable membrane is more easily ruptured under high-pressure water flow, leading to water ingress and damage to electronic devices, affecting their normal operation. Summary of the Invention

[0005] In view of this, this application provides an electronic device for improving the structural strength and waterproof rating of a waterproof and breathable membrane.

[0006] Specifically, the following technical solutions are included:

[0007] This application provides an electronic device, the electronic device comprising:

[0008] The middle frame has a ventilation channel, and the first end of the ventilation channel has a ventilation hole for communicating with the external environment.

[0009] A first waterproof and breathable membrane assembly is installed on the middle frame and covers the second end of the breathable channel. The first waterproof and breathable membrane assembly includes a first waterproof and breathable membrane body and a reinforcing structure stacked together. The reinforcing structure includes an annular portion and a strengthening portion. The two ends of the strengthening portion are respectively connected to the inner annular wall of the annular portion. The strengthening portion divides the internal space of the annular portion into a first through hole and a second through hole. The first through hole and the second through hole are respectively used to communicate with the breathable channel.

[0010] In an optional embodiment, the electronic device further includes a display assembly, the first waterproof and breathable membrane assembly further includes a first cushioning member, the display assembly is mounted on one side of the mid-frame, the first cushioning member is located between the display assembly and the reinforcing structure, and the first cushioning member is pressed against the display assembly and the reinforcing structure respectively.

[0011] In an optional embodiment, the first buffer includes a connecting portion and two mounting portions, the two mounting portions being disposed opposite to each other, the two ends of the connecting portion being connected to the two mounting portions respectively, and the shape and position of the connecting portion being adapted to the shape and position of the reinforcing portion respectively.

[0012] In an optional embodiment, the annular portion and / or the reinforcing portion are aligned with the second end of the ventilating channel in the thickness direction, such that the second end of the ventilating channel is staggered with the first through hole and the second through hole, respectively.

[0013] In an optional embodiment, the middle frame includes a contoured portion, the first waterproof and breathable membrane body covers the contoured portion, the contoured portion has a third through hole and a fourth through hole that communicate with each other, the shape of the third through hole is adapted to the shape of the first through hole, the shape of the fourth through hole is adapted to the shape of the second through hole, and the third through hole and the fourth through hole are respectively connected to the breathable channel.

[0014] In an optional embodiment, a first adhesive layer is provided on both sides of the first waterproof and breathable membrane body in the thickness direction, the first adhesive layer being located in the area within the edge of the contoured part, the contoured part being a plastic part or a metal part.

[0015] In an optional embodiment, the middle frame is further provided with a connection hole communicating with the third through hole, and the electronic device further includes a second waterproof and breathable membrane assembly, the second waterproof and breathable membrane assembly including a second waterproof and breathable membrane body, the second waterproof and breathable membrane body being located on the side of the middle frame opposite to the first waterproof and breathable membrane assembly, and the second waterproof and breathable membrane body covering the connection hole.

[0016] In an optional embodiment, the second waterproof and breathable film assembly further includes a second buffer member and a second adhesive layer that are stacked with the second waterproof and breathable film body;

[0017] The second adhesive layer is located on the side of the second waterproof and breathable film body close to the middle frame;

[0018] The second buffer member is disposed on the side of the second waterproof and breathable film body背离 the middle frame and is located at the edge of the second waterproof and breathable film body.

[0019] In an optional embodiment, the electronic device further includes a speaker assembly. The speaker assembly is disposed on the side of the second waterproof and breathable film assembly背离 the middle frame, and the second buffer member is mutually pressed against the second waterproof and breathable film body and the speaker assembly respectively.

[0020] In an optional embodiment, the middle frame further defines a plurality of spaced-apart sound outlet holes, and the air-permeable holes are located adjacent to the sound outlet holes.

[0021] In an optional embodiment, the shape of the air-permeable holes is the same as the shape of the sound outlet holes.

[0022] In an optional embodiment, the plurality of sound outlet holes are evenly distributed, and the distance between the air-permeable hole and the adjacent sound outlet hole is equal to the distance between any two adjacent sound outlet holes.

[0023] The beneficial effects of the technical solution provided by the embodiment of the present application at least include: by providing a reinforcement structure including an annular portion, the annular portion is used to strengthen the edge of the first waterproof and breathable film body, preventing the edge of the first waterproof and breathable film body from being washed open by water flow, resulting in water ingress and damage to the electronic device; by providing that both ends of the reinforcing portion are connected to the inner ring wall of the annular portion, the reinforcement structure as a whole presents a shape similar to a "day" character, and the reinforcing portion is used to improve the structural strength of the middle part of the reinforcement structure, providing sufficient protection for the first waterproof and breathable film body, preventing the first waterproof and breathable film body from being broken when receiving high-pressure water flow impact, enabling the electronic device to meet a higher waterproof level, and expanding the application scenarios of the electronic device; at the same time, the reinforcing portion divides the internal space of the annular portion into a first through hole and a second through hole. Since the first through hole and the second through hole are respectively connected to the air-permeable channel, it is beneficial to gas flow, increasing the air-permeable amount per unit time, ensuring that the waterproof and breathable film has good air-permeable ability, achieving the internal and external air pressure balance of the electronic device, and preventing the electronic device from being broken, deformed or otherwise damaged due to unbalanced internal and external air pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 Partial exploded views of electronic devices provided in some embodiments of this application;

[0026] Figure 2 This is a schematic diagram of the reinforcing structure provided in some embodiments of this application;

[0027] Figure 3 This is a schematic diagram of the structure of the first buffer provided in some embodiments of this application;

[0028] Figure 4 A schematic diagram showing the relative positions of the reinforcing structure and the ventilation channel provided in some embodiments of this application;

[0029] Figure 5 A partial top view of the middle frame provided for some embodiments of this application;

[0030] Figure 6 A partial cross-sectional view of the middle frame provided for some embodiments of this application;

[0031] Figure 7 This is a schematic diagram of the gas flow path of an electronic device provided in some embodiments of this application;

[0032] Figure 8 Partial exploded views of electronic devices provided in other embodiments of this application;

[0033] Figure 9 Schematic diagram of gas flow path for electronic devices provided in other embodiments of this application;

[0034] Figure 10 A schematic diagram of the gas flow path on the back side of the mid-frame of an electronic device provided in other embodiments of this application.

[0035] The reference numerals in the figure are respectively:

[0036] 1-Middle frame; 11-Border edge; 111-Ventilation hole; 12-Middle plate; 121-Ventilation channel; 13-Shaped part; 131-Third through hole; 132-Fourth through hole; 14-Connecting hole; 15-Sound outlet hole;

[0037] 2-First waterproof and breathable membrane assembly; 21-First waterproof and breathable membrane body; 22-Reinforcing structure; 221-Annular part; 222-Reinforcing part; 223-First through hole; 224-Second through hole; 23-First buffer; 231-Connecting part; 232-Mounting part; 24-First adhesive layer;

[0038] 3-Second waterproof and breathable membrane assembly; 31-Second waterproof and breathable membrane body; 32-Second cushioning element; 33-Second adhesive backing layer.

[0039] The accompanying drawings illustrate specific embodiments of this application, which will be described in more detail below. These drawings and descriptions are not intended to limit the scope of the concept in any way, but rather to illustrate the concept of this application to those skilled in the art through reference to particular embodiments. Detailed Implementation

[0040] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0041] In the embodiments of this application, directional terms such as "upper," "lower," and "side" are generally used in the following ways: Figure 1 The relative positions shown are based on the given information, and these directional terms are used only to more clearly describe the relationships between structures, not to describe absolute positions. Positions may change when the product is placed in different orientations; for example, "up" and "down" may be interchanged.

[0042] Unless otherwise defined, all technical terms used in the embodiments of this application have the same meaning as commonly understood by one of ordinary skill in the art.

[0043] Most mobile phones and other electronic devices on the market today are equipped with waterproof and breathable membranes to meet the IP68 waterproof rating, which has a relatively shallow depth, such as 1.5m IP68 waterproof. These waterproof and breathable membranes are made of ePTFE (expanded polytetrafluoroethylene), whose micropore size lies between that of liquid water and gas. This allows gas to pass through normally while preventing liquid water from passing through. Simultaneously, its surface energy is much lower than that of water, so the surface will not be wetted or subject to capillary permeation.

[0044] With the diversification of user needs, electronic devices have also developed a series of waterproof requirements. For example, swimming / scuba diving may require depths exceeding 1.5 meters (reaching 6 meters and above), while hiking, camping, or rafting near water also carries the risk of accidental water damage if the phone falls into the water. Furthermore, users sometimes take their phones into kitchens, bathrooms, water parks, hot springs, and other environments where hot water may come into contact with the phone, necessitating an IP69K waterproof rating.

[0045] However, when the waterproof rating is increased, the micropore size of the waterproof and breathable membrane becomes larger due to the increased water pressure, increasing the risk of leakage. Therefore, increasing the waterproof rating requires a corresponding reduction in the micropore area of ​​the breathable membrane. Since the overall air permeability requirement remains constant, the overall area of ​​the waterproof and breathable membrane needs to be increased. Simultaneously, increasing the waterproof rating also necessitates a corresponding increase in the width of the bottom waterproof adhesive. Thus, when the waterproof rating is increased, the area of ​​the waterproof and breathable membrane needs to be several times larger than before. With this increased area, the waterproof and breathable membrane is more easily ruptured under high-pressure water flow, leading to water ingress and damage to electronic devices, affecting their normal operation.

[0046] To address the aforementioned technical problems, this application provides an electronic device that can improve the structural strength and waterproof rating of a waterproof and breathable membrane.

[0047] To make the technical solutions and advantages of this application clearer, the embodiments of this application will be described in further detail below with reference to the accompanying drawings.

[0048] like Figure 1 As shown, the electronic device provided in this application embodiment includes a middle frame 1 and a first waterproof and breathable membrane assembly 2.

[0049] Electronic devices include, but are not limited to, mobile phones, tablets, e-book readers, wearable devices, etc. The embodiments of this application do not limit the specific types of electronic devices.

[0050] The middle frame 1 has a ventilation channel 121, and the first end of the ventilation channel 121 has a ventilation hole 111 for communicating with the external environment.

[0051] The first waterproof and breathable membrane assembly 2 is installed on the middle frame 1 and covers the second end of the breathable channel 121. The first waterproof and breathable membrane assembly 2 includes a first waterproof and breathable membrane body 21 and a reinforcing structure 22 stacked together. The reinforcing structure 22 is located on the side of the first waterproof and breathable membrane body 21 away from the breathable channel 121. The reinforcing structure 22 includes an annular part 221 and a reinforcing part 222. The two ends of the reinforcing part 222 are respectively connected to the inner annular wall of the annular part 221. The reinforcing part 222 divides the internal space of the annular part 221 into a first through hole 223 and a second through hole 224. The first through hole 223 and the second through hole 224 are respectively used to communicate with the breathable channel 121.

[0052] The middle frame 1 provides mounting locations for other components of the electronic device and protects the internal structure of the electronic device. For example... Figure 6 As shown, the middle frame 1 includes a side frame 11 and a middle plate 12. The side frame 11 surrounds the outside of the middle plate 12. The side frame 11 has a ventilation hole 111 that penetrates the side frame 11. The middle plate 12 has a ventilation channel 121. The ventilation hole 111 and the ventilation channel 121 are connected to each other, realizing the connection between the internal and external environment of the electronic device.

[0053] For example, the first waterproof and breathable membrane body 21 is an ePTFE membrane, whose micropore size is between that of liquid water and gas, which can ensure that gas can pass through normally, while liquid water cannot pass through.

[0054] The first waterproof and breathable membrane assembly 2 is installed on one side of the middle frame 1 in the thickness direction, for example... Figure 1 As shown, the first waterproof and breathable membrane assembly 2 is located on the upper TP surface of the middle frame 1, where the TP surface refers to the side of the middle frame 1 used to mount the touch screen. The first waterproof and breathable membrane assembly 2 makes full use of the internal space of the electronic device without occupying additional stacking space, achieving a higher level of IP68 waterproof requirements while ensuring the electronic device is thin and light.

[0055] The first end and the second end of the ventilation channel 121 are the two ends of the ventilation channel 121 along its length. The second end of the ventilation channel 121 is closer to the inside of the electronic device than the vent 111. The first waterproof and breathable membrane assembly 2 covers the second end of the ventilation channel 121, allowing air from the external environment to enter the ventilation channel 121 through the vent 111 and pass through the first waterproof and breathable membrane assembly 2 from the second end of the ventilation channel 121, thus achieving gas communication between the inside and outside environment of the electronic device.

[0056] like Figure 1As shown, the reinforcement structure 22 is located on the upper side of the first waterproof and breathable film body 21. Exemplarily, the reinforcement structure 22 is adhesively connected to the first waterproof and breathable film body 21 to improve the connection strength between the reinforcement structure 22 and the first waterproof and breathable film body 21. At the same time, the first waterproof and breathable film body 21 is adhesively connected to the middle frame 1, improving the connection strength between the first waterproof and breathable film body 21 and the middle frame 1.

[0057] As Figure 2 shown, the annular portion 221 of the reinforcement structure 22 is generally in a polygonal ring shape, and the outer peripheral edge of the reinforcement structure 22 coincides with the outer peripheral edge of the first waterproof and breathable film body 21. The annular portion 221 can strengthen the edge area of the first waterproof and breathable film body 21 and prevent the edge of the first waterproof and breathable film body 21 from being washed open by water flow after being impacted by water flow.

[0058] As Figure 2 shown, the reinforcing portion 222 of the reinforcement structure 22 is generally in a strip片状 shape, and the reinforcing portion 222 is located in the internal space formed by enclosing the annular portion 221. The two ends of the reinforcing portion 222 in the length direction are respectively connected to the inner ring wall of the annular portion 221, making the overall reinforcement structure 22 generally in a shape similar to the Chinese character '日'. The reinforcing portion 222 supports and strengthens the middle area of the first waterproof and breathable film body 21. When water flow impacts the first waterproof and breathable film body 21 from the second end of the ventilation channel 121, the reinforcing portion 222 can improve the anti-deformation ability of the first waterproof and breathable film body 21 and prevent the first waterproof and breathable film body 21 from deforming and being broken by water flow.

[0059] Exemplarily, the thickness of the reinforcement structure 22 is 0.1 mm, and the thickness of the first waterproof and breathable film body 21 is 0.14 mm. Among them, the first waterproof and breathable film body 21 is composed of a film sheet and a protective mesh yarn. The thickness of the first waterproof and breathable film body 21 includes the thickness of the film sheet and the thickness of the protective mesh yarn. The thickness of the film sheet is 0.01 mm, and the thickness of the protective mesh yarn is 0.13 mm.

[0060] The electronic device provided by the embodiment of the present application can at least reach an IP68 waterproof level of more than 2.5 m. The area of the first waterproof and breathable film body 21 is larger than that of the waterproof and breathable film with a conventional 1.5 m IP68 waterproof level, ensuring that the first waterproof and breathable film assembly 2 has sufficient ventilation volume. For example, the area of the first waterproof and breathable film body 21 is about twice that of the waterproof and breathable film with a conventional 1.5 m IP68 waterproof level. The area of the waterproof and breathable film with a conventional 1.5 m IP68 waterproof level is about 15 square millimeters, while the area of the first waterproof and breathable film body 21 is about 30 - 40 square millimeters.

[0061] Moreover, the reinforcing portion 222 cleverly divides the first through-hole 223 and the second through-hole 224. Both the first through-hole 223 and the second through-hole 224 can allow gas to flow through, which helps to increase the gas flow velocity, ensure that the electronic device has excellent audio performance, and enable the first waterproof and breathable film assembly 2 to have sufficient air permeability while not being affected in terms of waterproofing.

[0062] Exemplarily, the reinforcing structure 22 is made of PET material.

[0063] In the electronic device provided by the embodiment of the present application, by providing that the reinforcing structure 22 includes an annular portion 221, the annular portion 221 is used to strengthen the edge of the first waterproof and breathable film body 21, preventing the edge of the first waterproof and breathable film body 21 from being washed open by water flow, resulting in water ingress and damage to the electronic device; by providing that both ends of the reinforcing portion 222 are respectively connected to the inner ring wall of the annular portion 221, making the reinforcing structure 22 as a whole present a shape similar to the Chinese character 'ri' (日), the reinforcing portion 222 is used to improve the structural strength of the middle part of the reinforcing structure 22, providing sufficient protection for the first waterproof and breathable film body 21, preventing the first waterproof and breathable film body 21 from being broken through when receiving the impact of high-pressure water flow, enabling the electronic device to meet a higher waterproof level, and expanding the application scenarios of the electronic device; at the same time, the reinforcing portion 222 divides the inner space of the annular portion 221 into the first through-hole 223 and the second through-hole 224. Since the first through-hole 223 and the second through-hole 224 are respectively connected to the breathable channel 121, it is beneficial to gas flow, increasing the air permeability per unit time, ensuring that the waterproof and breathable film has good air permeability, achieving the internal and external air pressure balance of the electronic device, and preventing the electronic device from cracking, deforming or other defects due to the imbalance of internal and external air pressure.

[0064] In a further embodiment, the electronic device further includes a display screen assembly (not shown in the figure). The first waterproof and breathable film assembly 2 further includes a first buffer member 23. The display screen assembly is installed on one side of the middle frame 1. The first buffer member 23 is located between the display screen assembly and the reinforcing structure 22, and the first buffer member 23 is respectively pressed against the display screen assembly and the reinforcing structure 22.

[0065] As Figure 1 shown, the first buffer member 23 is located on the side of the reinforcing structure 22背离 the first waterproof and breathable film body 21. The display screen assembly is installed on one side in the thickness direction of the middle frame 1 and is located on the side of the first waterproof and breathable film assembly 2背离 the middle frame 1.

[0066] It should be noted that there is an unclear expression '背离' in the original text, which may need to be further clarified according to the actual context for a more accurate translation. Here, it is tentatively translated as '背离'.The first buffer 23 and the display assembly are designed for overpressure, meaning there is a certain compressive force between the first buffer 23 and the display assembly. The display assembly presses against the first buffer 23, further pressing the first waterproof and breathable membrane assembly 2 against the middle frame 1, thereby limiting the first waterproof and breathable membrane assembly 2 and preventing it from being blown open under high-pressure water flow. This design improves the impact resistance of the first waterproof and breathable membrane assembly 2 to high-pressure water flow, ensuring that the electronic device passes the IP69K high-pressure water flow test, enabling it to meet the IP69K waterproof rating and adapt to more occasions requiring high waterproof performance.

[0067] For example, the first buffer 23 is made of materials with certain resilience and flexibility, such as foam, sponge, cotton, and foam plastic, so as to provide a certain buffering and shock absorption effect for the first waterproof and breathable membrane body 21.

[0068] For example, the thickness of the first buffer 23 is 0.5 mm.

[0069] Furthermore, such as Figure 3 As shown, the first buffer 23 includes a connecting part 231 and two mounting parts 232. The two mounting parts 232 are arranged opposite to each other. The two ends of the connecting part 231 are respectively connected to the two mounting parts 232, and the shape and position of the connecting part 231 are adapted to the shape and position of the reinforcing part 222.

[0070] like Figure 3 As shown, the first buffer 23 is roughly "H" shaped, and the two mounting parts 232 are along... Figure 3 The two parts are arranged horizontally opposite each other, and the connecting part 231 is strip-shaped, with its two ends connected to the two mounting parts 232 respectively.

[0071] In the orthographic projection of the first waterproof and breathable membrane assembly 2, the orthographic projection of the first buffer member 23 coincides with a portion of the orthographic projection of the reinforcing structure 22. The mounting portion 232 and parts of the annular portion 221 are appropriately matched in shape, size, and position. The connecting portion 231 and the reinforcing portion 222 are also appropriately matched in shape, size, and position. It can be understood that the orthographic projection of the first waterproof and breathable membrane assembly 2 is the projection obtained by illuminating the first waterproof and breathable membrane assembly 2 with light parallel to the thickness direction of the middle frame 1.

[0072] Because the first buffer member 23 has an open structure on both sides of the connecting portion 231 in the width direction, rather than the annular closed structure of the reinforcing structure 22, therefore, as Figure 7 As shown, the airflow entering the electronic device through the vent 111 can continue to flow through the openings on both sides of the first buffer 23 after passing through the first waterproof and breathable membrane body 21, increasing the airflow path and enabling the electronic device to achieve better air pressure balance.

[0073] In one embodiment, the annular portion 221 and / or the reinforcing portion 222 are directly opposite the second end of the ventilating channel 121 in the thickness direction, so that the second end of the ventilating channel 121 is staggered with the first through hole 223 and the second through hole 224 respectively.

[0074] In this embodiment, such as Figure 4 As shown, the orthographic projection of the annular portion 221 and / or the reinforcing portion 222 covers the second end of the ventilation channel 121, while the orthographic projection outlines of the first through hole 223 and the second through hole 224 are located in the area outside the ventilation channel 121.

[0075] By using this configuration, the second end of the venting channel 121 is shielded by the annular portion 221 and / or the reinforcing portion 222, ensuring that the high-pressure water flow is blocked multiple times by the solid structure of the annular portion 221 and / or the reinforcing portion 222 before flowing through the venting channel 121 to the first waterproof and breathable membrane body 21 under IP69K testing scenarios. This effectively reduces the kinetic energy of the water flow, reduces the impact force on the first waterproof and breathable membrane body 21, and prevents the first waterproof and breathable membrane body 21 from being blown open or broken by the water flow, enabling electronic devices to meet the IP69K waterproof rating.

[0076] In a further embodiment, the middle frame 1 includes a contoured portion 13, and a first waterproof and breathable membrane body 21 covers the contoured portion 13. The contoured portion 13 has a third through hole 131 and a fourth through hole 132 that are interconnected. The shape of the third through hole 131 is adapted to the shape of the first through hole 223, and the shape of the fourth through hole 132 is adapted to the shape of the second through hole 224. The third through hole 131 and the fourth through hole 132 are respectively connected to the breathable channel 121.

[0077] like Figure 5 or Figure 6 As shown, the contoured part 13 is located on the TP surface of the middle frame 1. The shape of the contoured part 13 is similar to the shape of the first waterproof and breathable membrane assembly 2. The contoured part 13 provides an installation position for the first waterproof and breathable membrane assembly 2. The orthographic projection outline of the reinforcing structure 22 is located within the outline of the contoured part 13. Therefore, the contoured part 13 can provide sufficient and effective support for the reinforcing structure 22.

[0078] In the thickness direction of the electronic device, the first through hole 223 and the third through hole 131 are positioned opposite each other and have roughly similar shapes, and the second through hole 224 and the fourth through hole 132 are positioned opposite each other and have roughly similar shapes.

[0079] Since the first through hole 223 and the second through hole 224 are separated from each other, and the annular portion 221 and / or the reinforcing portion 222 shield the second end of the venting channel 121, by providing a connection between the third through hole 131 and the fourth through hole 132, it is possible to ensure that the gas flows more smoothly to the first through hole 223 and the second through hole 224, thereby increasing the air permeability. Optionally, the depth of the venting channel 121 in the thickness direction of the middle frame 1 should be as large as possible to facilitate gas flow.

[0080] In a further embodiment, a first adhesive layer 24 is provided on both sides of the first waterproof and breathable membrane body 21 in the thickness direction. The first adhesive layer 24 is located in the area within the edge of the contoured part 13, which is a plastic part or a metal part.

[0081] like Figure 1 As shown, the shape and size of the first adhesive layer 24 are the same as those of the reinforcing structure 22. The first adhesive layer 24 serves as a connector and also provides waterproofing. For example, the thickness of the first adhesive layer 24 is 0.1 mm.

[0082] Specifically, the middle frame 1 has a metal structure and a plastic structure. Under the action of high-pressure water flow, water leakage usually occurs at the joint between the metal structure and the plastic structure. By setting the contour part 13 as a plastic part or a metal part, the first adhesive layer 24 can avoid the joint between the metal structure and the plastic structure, ensuring that the first adhesive layer 24 has a sufficient waterproof width and avoiding the reduction of waterproof width and deterioration of waterproof effect when the first adhesive layer 24 covers the joint between the metal structure and the plastic structure.

[0083] In one embodiment, the middle frame 1 also has a connecting hole 14 communicating with the third through hole 131, such as Figure 8 As shown, the electronic device also includes a second waterproof and breathable membrane assembly 3, which includes a second waterproof and breathable membrane body 31. The second waterproof and breathable membrane body 31 is located on the side of the middle frame 1 opposite to the first waterproof and breathable membrane assembly 2, and the second waterproof and breathable membrane body 31 covers the connection hole 14.

[0084] like Figure 5 As shown, the connecting hole 14 is located near the third through hole 131, and the connecting hole 14 penetrates the middle frame 1 in the thickness direction of the middle frame 1.

[0085] The second waterproof and breathable membrane assembly 3 is disposed on the back side of the middle frame 1, and the second waterproof and breathable membrane assembly 3 and the first waterproof and breathable membrane assembly 2 are respectively located on both sides of the middle frame 1 in the thickness direction. The second waterproof and breathable membrane body 31 covers the connecting hole 14, and the air from the external environment can enter the breathable channel 121 through the breathable hole 111, further flow through the third through hole 131 and the connecting hole 14, and then pass through the second waterproof and breathable membrane body 31.

[0086] In this embodiment, by setting the second waterproof and breathable membrane component 3, the total area of ​​the waterproof and breathable membrane of the electronic device is increased, and a "one-in-three-out" design with one air inlet and three air outlets is formed, which effectively improves the breathability of the electronic device.

[0087] Please refer to Figure 7 , Figure 9 and Figure 10 The airflow entering the ventilation channel 121 from the vent 111 is divided into three parts: part flows through the fourth through hole 132, through the first waterproof and breathable membrane body 21, to the second through hole 224; part flows through the third through hole 131, through the first waterproof and breathable membrane body 21, to the first through hole 223; and part flows through the third through hole 131 and the connecting hole 14 to the second waterproof and breathable membrane body 31, forming three air outlets. This ensures that the airflow enters the electronic device more quickly, greatly improving the airflow speed and the breathability of the electronic device. Based on this embodiment, the "one inlet and three outlets" design ensures sufficient breathability for the electronic device while appropriately reducing the total area of ​​the waterproof and breathable membrane.

[0088] The electronic device provided in this application embodiment can achieve an IP68 waterproof rating of at least 6m. The total area of ​​the first waterproof and breathable membrane body 21 and the second waterproof and breathable membrane body 31 is larger than that of a conventional 1.5m IP68 waterproof membrane, ensuring sufficient air permeability for the electronic device. For example, the total area of ​​the first waterproof and breathable membrane body 21 and the second waterproof and breathable membrane body 31 is about four times the area of ​​a conventional 1.5m IP68 waterproof membrane. The area of ​​a conventional 1.5m IP68 waterproof membrane is about 15 square millimeters, while the total area of ​​the first waterproof and breathable membrane body 21 and the second waterproof and breathable membrane body 31 is about 50 to 60 square millimeters.

[0089] In a further embodiment, the second waterproof and breathable membrane assembly 3 further includes a second cushioning member 32 and a second adhesive layer 33 stacked with the second waterproof and breathable membrane body 31. The second adhesive layer 33 is located on the side of the second waterproof and breathable membrane body 31 near the middle frame 1; the second cushioning member 32 is disposed on the side of the second waterproof and breathable membrane body 31 away from the middle frame 1 and is located at the edge of the second waterproof and breathable membrane body 31.

[0090] like Figure 8 As shown, the second adhesive layer 33 is ring-shaped. While ensuring a reliable connection between the second waterproof and breathable membrane body 31 and the middle frame 1, it can also achieve a certain waterproof effect by utilizing its own ring width to prevent water in the inner ring of the second adhesive layer 33 from spreading outward to other areas of the electronic device.

[0091] like Figure 8As shown, the second buffer 32 includes two sections arranged opposite to each other. The second buffer 32 is located at the edge of the second waterproof and breathable membrane body 31 to avoid excessively affecting the air permeability of the second waterproof and breathable membrane body 31.

[0092] For example, the second buffer 32 is made of materials with certain resilience and flexibility, such as foam, sponge, cotton, and foam plastic, so as to provide a certain buffering and shock absorption effect for the second waterproof and breathable membrane body 31.

[0093] In a further embodiment, the electronic device also includes a speaker assembly (not shown in the figure), which is disposed on the side of the second waterproof and breathable membrane assembly 3 away from the middle frame 1, and the second buffer 32 is pressed against the second waterproof and breathable membrane body 31 and the speaker assembly respectively.

[0094] In this embodiment, the second buffer 32 and the horn assembly are designed for overpressure, meaning there is a certain compressive force between the second buffer 32 and the horn assembly. The horn assembly presses against the second buffer 32 and further presses the second waterproof and breathable membrane assembly 3 against the middle frame 1, thereby limiting the second waterproof and breathable membrane assembly 3 and preventing it from being blown open under high-pressure water flow. This design improves the impact resistance of the second waterproof and breathable membrane assembly 3 to high-pressure water flow, ensuring that the electronic device passes the IP69K high-pressure water flow test, enabling it to meet the IP69K waterproof rating and adapt to more occasions requiring high waterproof performance.

[0095] In one embodiment, the middle frame 1 is also provided with a plurality of spaced sound holes 15, and the vent holes 111 are located on the adjacent side of the sound holes 15.

[0096] The sound outlet 15 forms a sound outlet channel, allowing the speaker assembly to transmit sound to the external environment through the sound outlet channel. The sound outlet 15 can also serve as a pickup hole, facilitating the acquisition of sound by microphones and other pickup elements.

[0097] For example, the sound outlet 15 and the vent 111 are located at the bottom along the length of the electronic device, such as... Figure 1 As shown, the sound outlet 15 and the vent 111 are specifically located in the lower right corner of the electronic device.

[0098] In existing technologies, a small hole is typically made on the side wall at the top of the mid-frame as a vent, while the waterproof and breathable membrane is placed at the top of the mid-frame or in the camera trim area. However, as users demand higher levels of sophistication from electronic devices, creating a separate hole solely for waterproofing and ventilation can lead to unnecessary misunderstandings. Furthermore, placing the waterproof and breathable membrane at the top of the mid-frame or in the camera trim area allows moisture to easily enter, causing fogging of the lens and affecting the imaging performance of existing electronic devices.

[0099] In this embodiment, the vent 111 is located adjacent to the sound outlet 15, and the sound outlet 15 is far from the camera module of the electronic device. The moisture at the vent 111 will not affect the camera module, which can effectively reduce the risk of lens fogging.

[0100] In a further embodiment, the shape of the vent 111 is the same as the shape of the sound outlet 15.

[0101] like Figure 1 As shown, both the vent hole 111 and the sound outlet hole 15 are round holes, and the size of the vent hole 111 is the same as the size of the sound outlet hole 15.

[0102] In this embodiment, the shape of the vent hole 111 is completely consistent with the shape of the sound outlet hole 15, which improves the consistency of the openings in the middle frame 1 of the electronic device, which is conducive to improving the production efficiency of the middle frame 1, and also helps to achieve the normalization design of the appearance of the electronic device and improve the aesthetics of the electronic device.

[0103] Furthermore, the multiple sound holes 15 are evenly distributed, and the distance between the vent hole 111 and the adjacent sound hole 15 is equal to the distance between any two adjacent sound holes 15.

[0104] like Figure 1 As shown, the vent holes 111 and multiple sound outlet holes 15 are evenly spaced and visually appear as multiple evenly distributed identical small holes.

[0105] This design integrates the vent 111 and the sound outlet 15 into a unified visual whole, achieving an extremely simple aesthetic design and making the electronic device more concise and beautiful in appearance.

[0106] In this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The term "multiple" refers to two or more unless otherwise expressly defined.

[0107] Other embodiments of this application will readily occur to those skilled in the art upon consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of this application that follow the general principles of this application and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only.

[0108] It should be understood that this application is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of this application is limited only by the appended claims.

Claims

1. An electronic device, characterized in that, The electronic device includes: The middle frame (1) has a ventilation channel (121) and the first end of the ventilation channel (121) has a ventilation hole (111) for communicating with the external environment; A first waterproof and breathable membrane assembly (2) is installed on the middle frame (1) and covers the second end of the breathable channel (121). The first waterproof and breathable membrane assembly (2) includes a first waterproof and breathable membrane body (21) and a reinforcing structure (22) stacked together. The reinforcing structure (22) includes an annular part (221) and a reinforcing part (222). The two ends of the reinforcing part (222) are respectively connected to the inner annular wall of the annular part (221). The reinforcing part (222) divides the internal space of the annular part (221) into a first through hole (223) and a second through hole (224). The first through hole (223) and the second through hole (224) are respectively used to communicate with the breathable channel (121).

2. The electronic device according to claim 1, characterized in that, The electronic device also includes a display screen assembly, and the first waterproof and breathable membrane assembly (2) further includes a first buffer (23). The display screen assembly is installed on one side of the middle frame (1), and the first buffer (23) is located between the display screen assembly and the reinforcing structure (22), and the first buffer (23) is pressed against the display screen assembly and the reinforcing structure (22) respectively.

3. The electronic device according to claim 2, characterized in that, The first buffer (23) includes a connecting part (231) and two mounting parts (232), the two mounting parts (232) are arranged opposite to each other, the two ends of the connecting part (231) are respectively connected to the two mounting parts (232), and the shape and position of the connecting part (231) are adapted to the shape and position of the reinforcing part (222).

4. The electronic device according to claim 1, characterized in that, The annular portion (221) and / or the reinforcing portion (222) are directly opposite the second end of the ventilating channel (121) in the thickness direction, so that the second end of the ventilating channel (121) is staggered with the first through hole (223) and the second through hole (224), respectively.

5. The electronic device according to claim 4, characterized in that, The middle frame (1) includes a contoured part (13), and the first waterproof and breathable membrane body (21) covers the contoured part (13). The contoured part (13) has a third through hole (131) and a fourth through hole (132) that are interconnected. The shape of the third through hole (131) is adapted to the shape of the first through hole (223), and the shape of the fourth through hole (132) is adapted to the shape of the second through hole (224). The third through hole (131) and the fourth through hole (132) are respectively connected to the breathable channel (121).

6. The electronic device according to claim 5, characterized in that, The first waterproof and breathable membrane body (21) has a first adhesive layer (24) on both sides in the thickness direction. The first adhesive layer (24) is located in the area within the edge of the contour part (13). The contour part (13) is a plastic part or a metal part.

7. The electronic device according to claim 5, characterized in that, The middle frame (1) is also provided with a connection hole (14) communicating with the third through hole (131). The electronic device also includes a second waterproof and breathable membrane assembly (3). The second waterproof and breathable membrane assembly (3) includes a second waterproof and breathable membrane body (31). The second waterproof and breathable membrane body (31) is located on the side of the middle frame (1) away from the first waterproof and breathable membrane assembly (2), and the second waterproof and breathable membrane body (31) covers the connection hole (14).

8. The electronic device according to claim 7, characterized in that, The second waterproof and breathable membrane assembly (3) also includes a second cushioning member (32) and a second adhesive layer (33) stacked with the second waterproof and breathable membrane body (31); The second adhesive backing layer (33) is located on the side of the second waterproof and breathable membrane body (31) near the middle frame (1); The second buffer (32) is disposed on the side of the second waterproof and breathable membrane body (31) away from the middle frame (1) and is located at the edge of the second waterproof and breathable membrane body (31).

9. The electronic device according to claim 8, characterized in that, The electronic device also includes a speaker assembly, which is disposed on the side of the second waterproof and breathable membrane assembly (3) away from the middle frame (1), and the second buffer (32) is pressed against the second waterproof and breathable membrane body (31) and the speaker assembly respectively.

10. The electronic device according to claim 1, characterized in that, The middle frame (1) is also provided with a plurality of spaced sound holes (15), and the vent (111) is located on the adjacent side of the sound holes (15).

11. The electronic device according to claim 10, characterized in that, The shape of the vent (111) is the same as the shape of the sound outlet (15).

12. The electronic device according to claim 11, characterized in that, The plurality of sound outlet holes (15) are evenly distributed, and the distance between the vent hole (111) and the adjacent sound outlet hole (15) is equal to the distance between any two adjacent sound outlet holes (15).

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