CN211183949U - Electronic equipment - Google Patents

Abstract

The utility model provides an electronic equipment. Wherein, electronic equipment includes: the shell assembly comprises a first shell, a second shell connected to the first shell and a third shell connected to the first shell, the first shell is provided with a first cavity, the first cavity is communicated with the outside of the first shell through a first air hole, the second shell is used for forming a second cavity, the second cavity is communicated with the outside of the second shell through a second air hole, and the third shell is used for forming a third cavity; the electronic device comprises an air pressure detection device and a loudspeaker, wherein the air pressure detection device is positioned in the first cavity, and the loudspeaker is positioned in the second cavity. The lubricating oil of the air pressure detection device is prevented from flowing into the breathable film through the air holes, the problems of noise and the like caused by the fact that the lubricating oil flows into the breathable film are solved, and the working reliability of the product is improved.

Description

Electronic equipment

Technical Field

The utility model relates to an electronic component field especially relates to an electronic equipment.

Background

Along with the popularization and the development of intelligent product, the function that the smart machine of wearing formula possessed is more and more, and smart watch is as receiving a class of product that masses favor, and its auxiliary function is also more and more abundant, has integrateed many small-size electronic accessories in the wrist-watch, including barometer, compass, thermometer etc.. Wherein, when installing the barometer, all will scribble a small amount of lubricating oil usually, makes the installation more smooth on the one hand, and on the other hand also has certain sealed effect to the barometer.

In order to save space, due to aesthetic requirements of appearance, a barometer hole and an air vent are usually designed in the same cavity, the path from the barometer hole to the waterproof air-permeable membrane is short, a loudspeaker in the device is arranged at a position opposite to the air vent, the loudspeaker makes sound through the air vent, and meanwhile, the sound of the loudspeaker can be used for driving the waterproof air-permeable membrane to generate slight vibration through sound waves; the sealing mode of the air holes mostly adopts the design scheme that the waterproof air-permeable film is matched with the pressing component, and the pressing component is mainly connected in an adhesive mode.

However, since the barometer and the air vent are located in the same cavity, the lubricating oil of the barometer may flow into the waterproof breathable film, and when the speaker produces sound and vibrates, the waterproof breathable film immersed by the lubricating oil is driven to vibrate, so that the sound of the speaker contains noise, and the reliability of the operation of internal elements such as the speaker is directly affected.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides an electronic equipment, its internal component has better operational reliability.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model relates to an electronic equipment, include: the shell assembly comprises a first shell, a second shell connected to the first shell and a third shell connected to the first shell, the first shell is provided with a first cavity, the first cavity is communicated with the outside of the first shell through a first air hole, the second shell is used for forming a second cavity, the second cavity is communicated with the outside of the second shell through a second air hole, and the third shell is used for forming a third cavity; the electronic device comprises a first electronic device and a second electronic device, wherein the first electronic device is positioned in the first cavity, and the second electronic device is positioned in the second cavity.

As an optional mode, the utility model provides an electronic equipment, the part outer wall of second casing and first casing encloses into the second cavity jointly, and the second bleeder vent is located the second casing.

As an optional mode, the utility model provides an electronic equipment, the partial outer wall of first casing forms the storage tank, and the notch at the storage tank is established to the second casing lid to enclose into the second cavity jointly with the cell wall of storage tank.

As an optional mode, the utility model provides an electronic equipment, second casing weld on first casing.

As an optional mode, in the electronic device provided by the present invention, the first electronic device is an air pressure detecting device; the second electronic device is a speaker.

As an optional mode, the utility model provides an electronic equipment is provided with the ventilated membrane subassembly in the second cavity, and the ventilated membrane subassembly includes waterproof ventilated membrane, and waterproof ventilated membrane is located the inboard of second bleeder vent and covers the second bleeder vent.

As an optional mode, the utility model provides an electronic equipment, ventilated membrane subassembly still includes: the dust screen, the fixing piece and the compaction foam; the fixing piece, the waterproof breathable film and the dustproof net are sequentially arranged on the inner side of the second air vent from outside to inside; the compressing foam is positioned between the fixing piece and the inner wall of the second shell.

As an optional mode, the utility model provides an electronic equipment bonds in proper order between stationary blade, waterproof ventilated membrane and the dust screen.

As an optional mode, the utility model provides an electronic equipment, first bleeder vent and second bleeder vent are located the same one side outer wall of casing subassembly.

As an optional mode, the utility model provides an electronic equipment, electronic equipment are for wearing the equipment.

The utility model provides a pair of electronic equipment, through setting up first casing and second casing to with the welding of second casing on first casing, formed the second cavity, keep apart atmospheric pressure detection device and waterproof ventilated membrane subassembly in different cavities, avoided the lubricating oil on atmospheric pressure detection device surface to flow in waterproof ventilated membrane, when the speaker sound production, the waterproof ventilated membrane that is driven slight vibrations by the sound wave can not produce the noise because of the immersion of lubricating oil, thereby has improved the operational reliability of product internal element.

In addition to the technical problems, technical features constituting technical aspects, and advantageous effects brought by the technical features of the technical aspects described above, other technical problems, technical features included in technical aspects, and advantageous effects brought by the technical features that can be solved by the embodiments of the present invention will be described in further detail in the detailed description.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is an external view of an electronic device according to an embodiment of the present application;

fig. 2 is a schematic cross-sectional view of an electronic device according to an embodiment of the present application;

fig. 3 is an exploded view of an electronic device according to an embodiment of the present application;

fig. 4 is a schematic cross-sectional view of a first housing in an electronic device according to an embodiment of the present application;

FIG. 5 is a schematic cross-sectional view of a vented membrane assembly in an electronic device provided in accordance with an embodiment of the present application;

fig. 6 is a schematic cross-sectional view of a second housing in an electronic device according to an embodiment of the present application.

Description of reference numerals:

1-a first housing;

11-a first vent;

12-a receiving groove;

13-a raised structure;

2-a second housing;

21-a second air hole;

22-pointed structure;

3-a gas permeable membrane assembly;

31-dust screen;

32-a waterproof breathable film;

33-a fixing sheet;

34-compacting foam;

4-a first electronic device;

5-a second electronic device;

6-a first cavity;

7-a second cavity;

8-a third shell;

81-third air hole;

9-third cavity.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Along with the popularization and the development of intelligent product, the function that the smart machine of wearing formula possessed is more and more, and smart watch is as receiving a class of product that masses favor, and its auxiliary function is also more and more abundant, has integrateed many small-size electronic accessories in the wrist-watch, including barometer, compass, thermometer etc.. Wherein, when installing the barometer, all will scribble a small amount of lubricating oil usually, makes the installation more smooth on the one hand, and on the other hand also has certain sealed effect to the barometer. In order to save space, due to aesthetic requirements of appearance, a barometer hole and an air vent are usually designed in the same cavity, the path from the barometer hole to the waterproof air-permeable membrane is short, a loudspeaker in the device is arranged at a position opposite to the air vent, the loudspeaker makes sound through the air vent, and meanwhile, the sound of the loudspeaker can be used for driving the waterproof air-permeable membrane to generate slight vibration through sound waves; the sealing mode of the air holes mostly adopts the design scheme that the waterproof air-permeable film is matched with the pressing component, and the pressing component is mainly connected in an adhesive mode. However, since the barometer and the air vent are located in the same cavity, the path from the barometer to the waterproof breathable film is short, the lubricating oil of the barometer may flow into the waterproof breathable film, and when the speaker produces sound and vibrates, the waterproof breathable film immersed by the lubricating oil is driven to vibrate, so that the sound produced by the speaker contains noise.

In order to solve the above problem, an embodiment of the present invention provides an electronic device to avoid the lubricating oil on the surface of the air pressure detecting device to flow into the waterproof breathable film, eliminate the noise generated by the waterproof breathable film when vibrating, and it is right below the structure of the electronic device of the present invention is described in detail.

Fig. 1 is an external schematic view of an electronic device according to an embodiment of the present invention; fig. 2 is a schematic cross-sectional view of an electronic device according to an embodiment of the present invention; FIG. 3 is an exploded view of an electronic device according to an embodiment of the present disclosure; fig. 4 is a schematic cross-sectional view of a first housing in an electronic device according to an embodiment of the present invention; fig. 5 is a schematic cross-sectional view of a breathable film assembly in an electronic device according to an embodiment of the present invention; fig. 6 is a schematic cross-sectional view of a second housing in an electronic device according to an embodiment of the present invention. As shown in fig. 1 to 6, the present embodiment provides an electronic apparatus including: a housing assembly and an electronic device.

The shell assembly comprises a first shell 1, a second shell 2 connected to the first shell 1 and a third shell 8 connected to the first shell, wherein the first shell 1 is provided with a first cavity 6, the first cavity 6 is communicated with the outside of the first shell 1 through a first air hole 11, the second shell 2 is used for forming a second cavity 7, the second cavity 7 is communicated with the outside of the second shell 2 through a second air hole 21, and the third shell 8 is used for forming a third cavity 9; the electronic device comprises a first electronic device 4 and a second electronic device 5, the first electronic device 4 being located in a first cavity 6, the second electronic device 5 being located in a second cavity 7.

Specifically, the second cavity 7 is defined by partial outer walls of the second shell 2 and the first shell 1, the second air hole 21 is located on the second shell 2, and the first air hole 11 and the second air hole 21 can be communicated through an external space. Wherein the outer space is here the outer space relative to the first cavity 6 and the second cavity 7, i.e. the third cavity 9.

Optionally, the materials of the first housing 1 and the second housing 2 may be selected from metal or plastic, and the materials of the first housing 1 and the second housing 2 should be the same or belong to the same material type, so as to facilitate the connection between the first housing 1 and the second housing 2; the molding process of the first housing 1 and the second housing 2 may select a corresponding molding process according to the material thereof, specifically, the plastic may select an injection molding process, and the metal may select a machining mode, a powder metallurgy mode, and the like.

Specifically, the third casing 8 is connected with the first casing 1 to form a third cavity 9, and the first air hole 11 is communicated with the second air hole 21 through the third cavity 9.

Specifically, the third casing 8 is provided with a third air hole 81, and the third cavity 9 is communicated with the outside of the electronic device through the third air hole 81.

Specifically, a receiving groove 12 is formed on a part of the outer wall of the first casing 1, and the second casing 2 covers a notch of the receiving groove 12 to form a second cavity 7 together with the groove wall of the receiving groove 12.

Optionally, the diameter of the accommodating groove 12 should be smaller than the diameter of the second casing 2, so that when the second casing 2 and the first casing 1 are assembled, the second casing 2 can completely cover the accommodating groove 12 on the outer wall of the first casing 1, and a complete cavity structure and the second cavity 7 are formed with the accommodating groove 12.

Optionally, the second housing 2 is located above the accommodating groove 12 formed in the outer wall of the first housing 1, a protruding structure 13 is disposed on the outer wall of the first housing 1, and when the second housing 2 is connected to the first housing 1, the protruding structure 13 can play a role in positioning and limiting; the inner wall of the second housing 2 has a diameter larger than the outer diameter of the projection 13, and the second housing 2 can completely cover the projection 13 when mounted.

Alternatively, the second casing 2 may be welded to the first casing 1, the second casing 3 has a welding surface specially adapted for welding with the first casing 1, and since the second casing 2 is a semi-open type cavity structure, the welding surface for welding with the first casing 1 is located at the end of the cavity wall.

Optionally, the second housing 2 is welded to the outer wall of the first housing 1 to form a second cavity 7 in a relatively closed space, before welding, accessories to be placed in the second cavity 7 should be placed in sequence and preferably, and after placing, the second housing 2 is covered; the sequential placement as described herein is determined by the configuration and location of the component design within the second cavity 7, and may be, without absolute requirement, the final step of capping the second housing 2 in the receiving groove 12 in the outer wall of the first housing 1, as long as the assembly process is met.

Optionally, the welding mode of the second housing 2 and the first housing 1 adopts ultrasonic welding, and the joint of the second housing 2 and the first housing 1 is well sealed through ultrasonic welding. The end of the housing wall of the second housing 2 has a pointed structure 22, and the pointed structure 22 is used to contact with the outer wall of the first housing 1 when the second housing 2 is welded with the first housing 1, and during welding, the pointed structure 22 can avoid flash at the welding position to affect the assembly of other components inside the product. In addition, when welding, the second shell 2 presses to the first shell 1, and the protruding structure 13 on the outer wall of the first shell 1 can abut against the inner wall of the second shell 2, so that the welding depth is prevented from being too large.

It should be noted that the pointed structure 22 is designed for welding, and the structure can be understood as a protrusion with a triangular cross section, which is essential for reducing melting material during welding, so for protrusions with other cross-sectional shapes, for example: trapezoidal, circular arc, etc., as long as the melting material during welding can be reduced; in addition, the connection form of the second shell 2 and the first shell 1 adopts gluing, and the connection surface of the second shell and the first shell can be a plane; the second shell 2 and the first shell 1 are connected in a buckling or interference fit mode, and gaskets or sealing rings made of rubber and the like are required to be filled in the connection surfaces of the second shell and the first shell.

As an optional mode, in the electronic device provided by the present invention, the first electronic device 4 is an air pressure detecting device; the second electronic device 5 is a loudspeaker.

Optionally, the first electronic device 4 and the second electronic device 5 are relatively and fixedly connected with the first housing 1, and because the 4-position air pressure detection device of the first electronic device, a small amount of lubricating oil is coated on the surface of the first electronic device 4, the first electronic device 4 is installed more smoothly and plays a role in sealing the first electronic device; the second electronic component 5 is a speaker, and when vibrating, the sound will cause the waterproof, breathable membrane 32 to vibrate slightly.

As an optional mode, the utility model provides an electronic equipment is provided with ventilated membrane subassembly 3 in the second cavity 7, and ventilated membrane subassembly 3 includes waterproof ventilated membrane 32, and waterproof ventilated membrane 32 is located the inboard of second bleeder vent 21 and covers second bleeder vent 21.

Wherein, the outer wall direct contact of the ventilated membrane subassembly 3 in the second cavity 7 and first casing 1, ventilated membrane subassembly 3 is located in storage tank 12 of first casing 1 outer wall, the surface of ventilated membrane subassembly 3 exceeds the outer wall of first casing 1, waterproof ventilated membrane 32 is through covering second bleeder vent 21, two parts have been separated into with second cavity 7, separate into two parts and can understand into cavity and lower cavity, go up the cavity and constitute the whole space of second cavity 7 with lower cavity jointly, go up the cavity and pass through the external UNICOM of second bleeder vent 21 with second cavity 7. The waterproof breathable film 32 completely isolates the upper cavity from the lower cavity, and the main function of the waterproof breathable film 32 is to prevent moisture from passing through while allowing air to normally pass through, so that after external gas enters the second cavity 7, the external gas needs to pass through the upper cavity first and then finally enters the lower cavity part of the second cavity 7 through the waterproof breathable film 32.

Specifically, the breathable film assembly 3 further comprises: the dust screen 31, the fixing piece 33 and the compaction foam 34; the fixing piece 33, the waterproof breathable film 32 and the dustproof net 31 are sequentially arranged on the inner side of the second air vent 21 from outside to inside; the pressing foam 34 is located between the fixing piece 33 and the inner wall of the second housing 2.

Optionally, stationary blade 33, waterproof ventilated membrane 32 and dust screen 31 are parallel placement in proper order, and dust screen 31 and the outer wall connection of first casing 1, the first casing 1 outer wall of its connection is in storage tank 12, is waterproof ventilated membrane 32 in the top of dust screen 31, is stationary blade 33 in the top of waterproof ventilated membrane 32, and the top of stationary blade 33 has been placed and has been compressed tightly the bubble cotton 34, compresses tightly bubble cotton 34 and be two at least, and the upper surface that compresses tightly bubble cotton 34 can contact with the inner wall of second casing 2.

Optionally, the dust screen 31 separates the second electronic device 5 inside the second cavity 7 from the second vent 21, so as to prevent dust outside the second cavity 7 from entering the second cavity 7 through the second vent 21 and attaching to the second electronic device 5 to affect the function thereof.

Optionally, the fixing piece 33 may be a steel sheet, which plays a role in fixing the connection of the breathable film assembly 3 on the outer wall of the first housing 1, and meanwhile, the fixing piece 33 may play a role in supporting the structure of the breathable film assembly 3, and the fixing piece 33 is bonded to the waterproof breathable film 32, and the waterproof breathable film 32 is bonded to the dust screen 31, and the fixing piece 33 ensures that the waterproof breathable film 32 and the dust screen 31 are fully unfolded, thereby ensuring waterproof and dustproof effects; alternatively, the material of the fixing plate 33 may also be selected from engineering plastics having a corresponding strength.

Before the second casing 2 is connected to the first casing 1, the permeable membrane module 3 is placed in the accommodating groove 12 of the first casing 1, and then the second casing 2 is pressed against the permeable membrane module 3. The outer diameter of the breathable film assembly 3 is smaller than the inner wall diameter of the protruding structure 13 on the outer wall of the first shell 1, so that the protruding structure 13 plays an auxiliary positioning role in installing the breathable film assembly 3 in the accommodating groove 12 of the first shell 1. In addition, after ventilated membrane subassembly 3 is installed on first casing 1, compress tightly the upper surface that bubble cotton 34 can be higher than the upper surface of protruding structure 13, when installing second casing 2 afterwards, the inner wall of second casing 2 just can compress tightly bubble cotton 34, compresses tightly the elastic force that bubble cotton 34 produced through the compression, plays the connection of ventilated membrane subassembly 3 for first casing 1 outer wall and strengthens and firm effect.

Optionally, the fixing piece 33, the waterproof and breathable film 32 and the dust screen 31 are sequentially bonded.

Optionally, a back adhesive is pasted between the dust screen 31 and the outer wall of the first housing 1, so that the dust screen 31 is bonded with the first housing 1; a back adhesive is pasted between the waterproof breathable film 32 and the dustproof net 31, so that the waterproof breathable film 32 is bonded with the dustproof net 31; a double-sided adhesive tape is pasted between the fixing piece 33 and the waterproof breathable film 32, so that the fixing piece 33 is bonded with the waterproof breathable film 32; and double-sided adhesive tape is also adhered to one side of the fixing sheet 33 connected with the pressing foam 34, so that the pressing foam 34 is adhered to the fixing sheet 33.

In a possible implementation manner, the gum between the waterproof breathable film 32 and the dust-proof net 31 and the gum between the dust-proof net 31 and the outer wall of the first shell 1 have a certain thickness, and can be put in a gasket mode, so that the assembly process is simpler. The back adhesive needs to be adhered to the edges of the waterproof breathable film 32 and the dustproof net 31, and the shape of the back adhesive is designed according to the shapes of the waterproof breathable film 32 and the dustproof net 31, for example: the waterproof breathable film 32 is circular, so that the back adhesive bonded with the waterproof breathable film 32 is circular and covers the circular edge of the waterproof breathable film 32, a through hole is formed in the middle of the circular back adhesive, and gas can be ensured to pass through the waterproof breathable film 32 after the waterproof breathable film 32 is bonded with the back adhesive; in a similar way, the back adhesive bonded with the dust screen 31 also needs to be provided with through holes to ensure that gas can pass through the dust screen 31.

Optionally, the outer diameter of the waterproof breathable film 32 may be larger than the outer diameter of the dust screen 31, and when the waterproof breathable film 32 is connected with the dust screen 31 through the gum, the gum exceeding the outer diameter of the dust screen 31 is bonded with the outer wall of the first housing 1 through the waterproof breathable film, so that the connection effect of the whole breathable film assembly 3 on the outer wall of the first housing 1 is strengthened.

The utility model provides an electronic equipment, both sides about first casing 1's outer wall can be divided into, and the shape of the outer wall of upside has formed first cavity 6 and storage tank 12, and first bleeder vent 11 and second bleeder vent 21 lie in casing assembly with one side outer wall, the upside outer wall promptly.

Specifically, the shape of the lower outer wall is designed according to the requirements of the product, and can be designed into different shapes, such as an arc shape or a plane.

Optionally, the distance between the first cavity 6 and the outer wall of the housing assembly is greater than the distance between the second cavity 7 and the outer wall of the housing assembly, so that the second cavity 7 for accommodating the breathable film assembly 3 has a greater depth, and the overall structural design is more compact and balanced.

Specifically, with the lowest point of the lower outer wall of the first casing 1 as a reference, the distance from the first air hole 11 of the first cavity 6 communicated with the outside to the lowest point of the lower outer wall of the first casing 1 is less than the distance from the second air hole 21 of the second cavity 7 communicated with the outside to the lowest point of the lower outer wall of the first casing 1, so that the position of the second air hole 21 on the second casing 2 is higher than that of the first air hole 11 on the first casing 1, and the gas path from the first cavity 1 to the second cavity 2 is simultaneously prolonged.

Optionally, the plane where the first vent hole 11 is located is parallel to the plane where the second vent hole 21 is located, and the plane where the first vent hole is located is lower than the plane where the second vent hole 21 is located according to the difference in distance between the first vent hole 11 and the second vent hole 21 to the lowest point of the outer wall of the lower side of the first casing 1.

As an alternative, the present invention provides an electronic device, wherein the electronic device is a wearable device.

Specifically, the wearable device can be a watch, a bracelet and other wearable devices, and the wearable device is provided with electronic devices such as a loudspeaker and a barometer.

The utility model provides an electronic device, through setting up first casing 1 and second casing 2, first casing 1 has first cavity 6, and weld second casing 2 on first casing 1, form second cavity 7, be provided with first electron device 4 in first cavity 6, the surface of first electron device 4 is scribbled lubricating oil, be provided with second electron device 5 and ventilated membrane module 3 in the inside of second cavity 7, first cavity 6 communicates with the external world through first bleeder vent 11, second cavity 7 communicates with the external world through second bleeder vent 21, ventilated membrane module 3 includes dust screen 31, waterproof ventilated membrane 32, stationary blade 33 and compress tightly the bubble cotton 34, isolate second electron device 5 and second bleeder vent 21 through waterproof ventilated membrane 32 and dust screen 31, avoid dust and steam to get into, and because the first electron device 4 and the waterproof ventilated membrane module 3 that scribble lubricating oil are isolated in different cavities, the lubricating oil on the surface of the first electronic device 4 is prevented from flowing into the waterproof breathable film 32, and when the loudspeaker is in use, the slightly-vibrating waterproof breathable film driven by the sound waves can not emit noise because the waterproof breathable film is not immersed by the lubricating oil, so that the quality of the product is improved, and the user experience is improved.

In the description of the present invention, it is to be understood that the terms "inner wall", "outer wall", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

It should be noted that: in the present invention, unless otherwise expressly specified or limited, "above", "over" and "above" may refer to directly or obliquely above the object being described, or merely to a level higher than the object being described. The components "below", "beneath" and "beneath" may be directly below or obliquely below the object being described, or simply indicate a lesser level than the object being described.

Furthermore, in the present disclosure, unless otherwise expressly specified or limited, the terms "assembled," "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. An electronic device, comprising: the shell assembly comprises a first shell, a second shell connected to the first shell and a third shell connected to the first shell, the first shell is provided with a first cavity, the first cavity is communicated with the outside of the first shell through a first air hole, the second shell is used for forming a second cavity, the second cavity is communicated with the outside of the second shell through a second air hole, and the third shell is used for forming a third cavity; the electronic device comprises a first electronic device and a second electronic device, wherein the first electronic device is positioned in the first cavity, and the second electronic device is positioned in the second cavity.

2. The electronic device of claim 1, wherein the second housing and a portion of the outer wall of the first housing together enclose the second cavity, and the second vent is located on the second housing.

3. The electronic device according to claim 2, wherein a portion of an outer wall of the first housing forms a receiving slot, and the second housing covers a notch of the receiving slot to form the second cavity together with a slot wall of the receiving slot.

4. The electronic device according to claim 2 or 3, wherein the second housing is welded to the first housing.

5. The electronic device according to any of claims 1-3, wherein the first electronic component is a pressure detection device; the second electronic device is a speaker.

6. The electronic device according to any one of claims 1 to 3, wherein a breathable film assembly is disposed in the second cavity, the breathable film assembly comprising a waterproof breathable film, the waterproof breathable film being located inside the second vent and covering the second vent.

7. The electronic device of claim 6, wherein the breathable film assembly further comprises: the dust screen, the fixing piece and the compaction foam;

the fixing piece, the waterproof breathable film and the dustproof net are sequentially arranged on the inner side of the second air hole from outside to inside; the compressing foam is located between the fixing piece and the inner wall of the second shell.

8. The electronic device according to claim 7, wherein the fixing sheet, the waterproof air-permeable film, and the dust-proof net are bonded in this order.

9. The electronic device of any of claims 1-3, wherein the first vent and the second vent are located on the same side of the outer wall of the housing assembly.

10. The electronic device of any of claims 1-3, wherein the electronic device is a wearable device.

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