Breathing valve and portable electronic device

Abstract

The present invention discloses a breathable valve and a portable electronic device, wherein the breathable valve comprises: a housing, wherein the housing is provided with a receiving cavity, a first through hole and a second through hole, wherein the first through hole and the second through hole are both connected to the receiving cavity; a moving part; a moving part matching part; and a driving part, wherein the moving part, the moving part matching part and the driving part are all received in the receiving cavity, wherein the moving part and the moving part matching part cooperate with each other to form a sealed state, thereby preventing the first through hole and the second through hole from being connected, wherein the driving part is used to drive the moving part, so that at least a part of the moving part moves relative to the moving part matching part, thereby forming a gap between the moving part matching part and the moving part, wherein the first through hole and the second through hole are connected through the gap. The breathable valve disclosed in the embodiment of the present invention can achieve air pressure balance between the inside and outside of the portable electronic device, while not being easily blocked.

Description

Technical Field

[0001] The invention relates to a breathable valve, and in particular to a breathable valve for balancing the internal and external air pressures of a portable electronic device and the portable electronic device. Background Art

[0002] Some portable electronic devices (such as smart watches and mobile phones) are waterproof, and their waterproof function is achieved through a sealing structure. The sealing structure also isolates the air circulation inside and outside the portable electronic device. Some portable electronic devices also include devices that are sensitive to air pressure, which need to be within a preset air pressure range to work properly. For this reason, some portable electronic devices use passive waterproof and breathable membranes to achieve internal and external air pressure balance. The disadvantage of passive waterproof and breathable membranes is that they are easily blocked, resulting in the inability to continue to achieve internal and external air pressure balance of the portable electronic device. Summary of the invention

[0003] The embodiment of the present invention discloses a breathable valve and a portable electronic device, which can be configured to actively balance the internal and external air pressures of the portable electronic device and are not easily blocked.

[0004] In order to achieve the above-mentioned purpose, the present invention discloses a breathable valve, comprising: a shell, the shell is provided with a receiving cavity, a first through hole and a second through hole, the first through hole and the second through hole are both connected to the receiving cavity; a moving part; a moving part matching part; and a driving part, the moving part, the moving part matching part and the driving part are all received in the receiving cavity, the moving part and the moving part matching part cooperate with each other to form a sealing state, preventing the first through hole and the second through hole from being connected, the driving part is used to drive the moving part so that at least a part of the moving part moves relative to the moving part matching part, thereby forming a gap between the moving part matching part and the moving part, and the first through hole and the second through hole are connected through the gap.

[0005] As an optional implementation, in an embodiment of the present invention, the driving member is an electromagnet, and the moving member includes a magnet. After power is turned on, a repulsive force is generated between the driving member and the magnet, and the repulsive force pushes the moving member to generate the gap.

[0006] As an optional embodiment, in an embodiment of the present invention, the moving part also includes a substrate with elastic deformation capability, the magnet is fixed to the substrate, the substrate and the moving part matching part cooperate with each other to form a sealed state, the repulsive force can push the magnet to move and drive the substrate to produce elastic deformation, thereby forming the gap between the moving part matching part and the moving part.

[0007] As an optional embodiment, in an embodiment of the present invention, it also includes an elastic reset member, the moving member also includes a substrate, the substrate and the moving member matching member cooperate with each other to form a sealed state, the magnet is fixed to the substrate, the repulsive force can push the magnet to move and drive the substrate to move away from the moving member matching member, the elastic reset member is used to apply a force to the substrate, the force drives the substrate to move to an initial position and cooperate with the moving member to form a sealed state.

[0008] As an optional embodiment, in an embodiment of the present invention, an elastic member is further included, the driving member is an electromagnet, the moving member includes a mating part that can be attracted by magnetic force, and after power is turned on, a suction force of mutual attraction is generated between the driving member and the mating part, and the suction force makes the moving member and the moving member mating part cooperate with each other to form a sealed state. After the driving member is powered off, the elastic member drives the moving member to move in a direction away from the moving member mating part, thereby generating the gap.

[0009] As an optional embodiment, in an embodiment of the present invention, the driving member includes a linear actuator, and the linear actuator includes a guide rod and a slider that can slide along the guide rod, and the slider is in contact with the moving member. The sliding movement can drive at least a part of the moving member to move relative to the moving member mating member, thereby forming the gap between the moving member mating member and the moving member.

[0010] As an optional embodiment, in an embodiment of the present invention, the moving part divides the receiving cavity into a first receiving cavity and a second receiving cavity, the first through hole is communicated with the first receiving cavity, the moving part matching part and the driving part are accommodated in the second receiving cavity, a third through hole is provided on the moving part, and the first through hole and the third through hole are communicated.

[0011] As an optional embodiment, in an embodiment of the present invention, the moving part is connected to the shell, and the moving part divides the receiving cavity into a first receiving cavity and a second receiving cavity, the first through hole is communicated with the first receiving cavity, and the second through hole is communicated with the second receiving cavity, the moving part matching part and the driving part are accommodated in the first receiving cavity, and a third through hole is provided on the moving part, and the first through hole and the second through hole are communicated with each other.

[0012] As an optional embodiment, in an embodiment of the present invention, the moving member matching member is provided with a fourth through hole and a fifth through hole which are interconnected, the moving member is accommodated in the fourth through hole, the fourth through hole is connected to the second through hole, the fifth through hole is connected to the first through hole, the moving member and the moving member matching member cooperate with each other to form a sealing state, preventing the fourth through hole and the fifth through hole from being connected, and when the gap is formed, the fourth through hole and the fifth through hole are connected.

[0013] As an optional implementation, in an embodiment of the present invention, the moving member matching member is provided with a first positioning portion facing the moving member, and the moving member is correspondingly provided with a second positioning portion, and the second positioning portion and the first positioning portion cooperate to form the sealing state.

[0014] As an optional implementation, in an embodiment of the present invention, the first positioning portion is a depression formed in the moving member matching piece and connected to the second through hole, and the second positioning portion is a protrusion arranged on a side of the moving member facing the moving member matching piece.

[0015] As an optional embodiment, in an embodiment of the present invention, the shell includes a cylinder portion and a cover portion, the cylinder portion has an open end, the cover portion is connected to the open end, the cylinder portion and the cover portion together form the accommodating cavity, the first through hole is arranged on the cylinder portion, and the second through hole is arranged on the cover portion.

[0016] The present invention also discloses a portable electronic device, comprising: a shell; a breathable valve, the breathable valve is connected to the shell, the breathable valve comprises: a shell, the shell is provided with a receiving cavity, a first through hole and a second through hole, the first through hole and the second through hole are both communicated with the receiving cavity; a moving part; a moving part matching part; and a driving part, the moving part, the moving part matching part and the driving part are all received in the receiving cavity, the moving part and the moving part matching part cooperate with each other to form a sealing state, preventing the first through hole and the second through hole from being connected, the driving part is used to drive the moving part so that at least a part of the moving part moves relative to the moving part matching part, thereby forming a gap between the moving part matching part and the moving part, the first through hole and the second through hole are connected through the gap, thereby allowing the inside and the outside of the shell to be connected through the breathable valve.

[0017] As an optional implementation, in an embodiment of the present invention, the driving member is an electromagnet, and the moving member includes a magnet. After power is turned on, a repulsive force is generated between the driving member and the magnet, and the repulsive force pushes the moving member to generate the gap.

[0018] As an optional embodiment, in an embodiment of the present invention, the moving part also includes a substrate with elastic deformation capability, the magnet is fixed to the substrate, the substrate and the moving part matching part cooperate with each other to form a sealed state, the repulsive force can push the magnet to move and drive the substrate to produce elastic deformation, thereby forming the gap between the moving part matching part and the moving part.

[0019] As an optional embodiment, in an embodiment of the present invention, it also includes an elastic reset member, the moving member also includes a substrate, the substrate and the moving member matching member cooperate with each other to form a sealed state, the magnet is fixed to the substrate, the repulsive force can push the magnet to move and drive the substrate to move away from the moving member matching member, the elastic reset member is used to apply a force to the substrate, the force drives the substrate to move to an initial position and cooperate with the moving member to form a sealed state.

[0020] As an optional embodiment, in an embodiment of the present invention, an elastic member is further included, the driving member is an electromagnet, the moving member includes a mating part that can be attracted by magnetic force, and after power is turned on, a suction force of mutual attraction is generated between the driving member and the mating part, and the suction force makes the moving member and the moving member mating part cooperate with each other to form a sealed state. After the driving member is powered off, the elastic member drives the moving member to move in a direction away from the moving member mating part, thereby generating the gap.

[0021] As an optional embodiment, in an embodiment of the present invention, the driving member includes a linear actuator, and the linear actuator includes a guide rod and a slider that can slide along the guide rod, and the slider is in contact with the moving member. The sliding movement can drive at least a part of the moving member to move relative to the moving member mating member, thereby forming the gap between the moving member mating member and the moving member.

[0022] As an optional embodiment, in an embodiment of the present invention, the moving part divides the receiving cavity into a first receiving cavity and a second receiving cavity, the first through hole is communicated with the first receiving cavity, the moving part matching part and the driving part are accommodated in the second receiving cavity, a third through hole is provided on the moving part, and the first through hole and the third through hole are communicated.

[0023] As an optional embodiment, in an embodiment of the present invention, the moving part is connected to the shell, and the moving part divides the receiving cavity into a first receiving cavity and a second receiving cavity, the first through hole is communicated with the first receiving cavity, and the second through hole is communicated with the second receiving cavity, the moving part matching part and the driving part are accommodated in the first receiving cavity, and a third through hole is provided on the moving part, and the first through hole and the second through hole are communicated with each other.

[0024] As an optional embodiment, in an embodiment of the present invention, it is characterized in that the moving part matching part is provided with a fourth through hole and a fifth through hole which are interconnected, the moving part is accommodated in the fourth through hole, the fourth through hole is connected to the second through hole, the fifth through hole is connected to the first through hole, the moving part and the moving part matching part cooperate with each other to form a sealing state, preventing the fourth through hole and the fifth through hole from being connected, and when the gap is formed, the fourth through hole and the fifth through hole are connected.

[0025] As an optional implementation, in an embodiment of the present invention, the moving member matching member is provided with a first positioning portion facing the moving member, and the moving member is correspondingly provided with a second positioning portion, and the second positioning portion and the first positioning portion cooperate to form the sealing state.

[0026] As an optional implementation, in an embodiment of the present invention, the first positioning portion is a depression formed in the moving member matching piece and connected to the second through hole, and the second positioning portion is a protrusion arranged on a side of the moving member facing the moving member matching piece.

[0027] As an optional embodiment, in an embodiment of the present invention, the shell includes a cylinder portion and a cover portion, the cylinder portion has an open end, the cover portion is connected to the open end, the cylinder portion and the cover portion together form the accommodating cavity, the first through hole is arranged on the cylinder portion, and the second through hole is arranged on the cover portion.

[0028] As an optional embodiment, in an embodiment of the present invention, a controller is further included. In response to a specific event, the controller is used to control the breathable valve so that the driving member drives the moving member so that the moving member and the moving member matching member cooperate with each other to form a sealed state, wherein the specific event includes detecting that liquid has entered between the shell and the breathable valve.

[0029] As an optional implementation, in an embodiment of the present invention, the air valve further includes a liquid detection component, which is disposed in the receiving cavity and is connected to the outside of the shell to detect whether liquid enters the air valve.

[0030] As an optional implementation, in an embodiment of the present invention, the liquid detection component includes: two electrodes spaced apart from each other and a resistance detection unit, the resistance detection unit is used to detect the resistance value between the two electrodes, and the controller determines whether liquid enters the air valve based on the resistance value between the two electrodes.

[0031] Compared with the prior art, the present invention has the following beneficial effects:

[0032] Compared with conventional passive waterproof breathable membranes, the breathable valve and portable electronic device disclosed in the embodiment of the present invention can achieve air pressure balance between the inside and outside of the portable electronic device, and are not easily blocked. In addition, the breathable valve disclosed in the embodiment of the present invention can provide a much larger channel than the micro-pores of the passive waterproof breathable membrane in the open state, thereby achieving air pressure balance between the inside and outside of the portable electronic device more efficiently. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0034] Figure 1 is an exploded view of the air-permeable valve disclosed in the embodiment of the present invention;

[0035] Figure 2 is a cross-sectional view of a vent valve disclosed in an embodiment of the present invention;

[0036] Figure 3 is a cross-sectional view of the vent valve disclosed in an embodiment of the present invention, which shows that the vent valve is in an open state;

[0037] Figure 4 yes Figure 2 Another embodiment of the breathable valve shown;

[0038] Figure 5 yes Figure 2 Another embodiment of the breathable valve shown;

[0039] Figure 6 yes Figure 2 Another embodiment of the breathable valve shown;

[0040] Figure 7 yes Figure 2 Another embodiment of the breathable valve shown;

[0041] Figure 8is a schematic diagram of the hardware structure of a portable electronic device using the breathable valve disclosed in an embodiment of the present invention;

[0042] Fig. 9 yes Figure 2 Another embodiment of the breathable valve shown;

[0043] Fig.10 yes Figure 2 Another embodiment of the breathable valve shown;

[0044] Fig.11 yes Figure 2 Another embodiment of the breathable valve shown;

[0045] Fig.12 is a partial cross-sectional schematic diagram of a portable electronic device disclosed in an embodiment of the present invention

[0046] Fig.13 is a schematic diagram of the hardware structure of a portable electronic device disclosed in an embodiment of the present invention;

[0047] Fig.14 It is a schematic diagram of the principle of a liquid detection component of a portable electronic device disclosed in an embodiment of the present invention. DETAILED DESCRIPTION

[0048] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0049] In the present invention, the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like are based on the directions or positional relationships shown in the drawings. These terms are mainly used to better describe the present invention and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific direction, or to be constructed and operated in a specific direction.

[0050] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those skilled in the art, the specific meanings of these terms in the present invention can be understood according to specific circumstances.

[0051] In addition, the terms "installed", "set", "provided with", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0052] In addition, the terms "first", "second", etc. are mainly used to distinguish different devices, elements or components (the specific types and structures may be the same or different), and are not used to indicate or imply the relative importance and quantity of the indicated devices, elements or components. Unless otherwise specified, "plurality" means two or more.

[0053] The embodiment of the present invention discloses a breathable valve and a portable electronic device using the breathable valve. The breathable valve can be controlled to switch between a closed state and an open state. The closed state of the breathable valve prevents the air inside the portable electronic device from flowing with the air outside the portable electronic device, and the open state of the breathable valve allows the air inside the portable electronic device to flow with the air outside the portable electronic device. In this way, the portable electronic device can be configured to balance the air pressure between the inside and the outside in a specific scenario. Compared with a conventional passive waterproof breathable membrane, the breathable valve disclosed in the embodiment of the present invention can achieve the air pressure balance between the inside and the outside of the portable electronic device, and is not easy to be blocked. The technical solution of the present invention will be further described below in conjunction with the embodiments and drawings.

[0054] See also Figure 1-3 In one embodiment, a breathable valve 10 includes: a shell 20, the shell 20 is provided with a receiving chamber 21, a first through hole 22 and a second through hole 23, the first through hole 22 and the second through hole 23 are both connected to the receiving chamber 21; a moving member 30; a moving member matching member 40; and a driving member 50, the moving member 30, the moving member matching member 40 and the driving member 50 are all received in the receiving chamber 21, the moving member 30 and the moving member matching member 40 cooperate with each other to form a sealing state, preventing the first through hole 22 and the second through hole 23 from being connected, the driving member 50 is used to drive the moving member 30, so that at least a part of the moving member 30 moves relative to the moving member matching member 40, thereby forming a gap 31 between the moving member matching member 40 and the moving member 30, the first through hole 22 and the second through hole 23 are connected through the gap 31, thereby allowing air to flow between the first through hole 22 and the second through hole 23.

[0055] The breathable valve 10 can be applied to a portable electronic device, allowing the interior and exterior of the portable electronic device to communicate through the breathable valve. The portable electronic device 100 can be a mobile phone, a wearable device (such as a smart watch), etc., but is not limited thereto. The breathable valve disclosed in the above embodiment can be used to actively balance the air pressure inside and outside the portable electronic device. For example, in a specific scenario, the breathable valve 10 is switched from a closed state to an open state to allow air circulation inside and outside the electronic device.

[0056] The portable electronic device disclosed in the above embodiment of the present invention has a more obvious effect on a portable electronic device with a compact internal space (such as a smart watch), because the electronic components contained in the portable electronic device are concentrated in a compact space, which is not conducive to the dissipation of heat, especially in some scenarios. High-load electronic components will generate a lot of heat in a short time. Heat accumulates in a compact space, causing a rapid rise in temperature, which in turn causes a rapid rise in air pressure inside the portable electronic device. This may put some electronic components in the portable electronic device in an unfavorable working environment. For example, the rise in internal air pressure causes the air pressure sensor to be unable to accurately detect the air pressure outside the portable electronic device, and the rise in internal air pressure may cause the speaker to be unable to output the optimal sound effect or even unable to work normally. In addition, the internal air pressure that is higher than the external air pressure will also compress the seal, and even cause the seal to fail or the shell to rupture. The air valve can provide a channel that is much larger than the micropores of the passive waterproof breathable membrane and is not easy to be blocked in the open state, so that the air pressure balance between the inside and outside of the portable electronic device can be achieved more efficiently. The air valve 10 can be implemented in a variety of different embodiments, which will be described in detail below.

[0057] Embodiment 1

[0058] In this embodiment, the housing 20 includes a barrel 24 and a cover 25. The barrel 24 has an open end 241. The cover 25 is connected to the open end 241. The barrel 24 and the cover 25 together form the receiving cavity 21. The first through hole 22 is provided in the barrel 24, and the second through hole 23 is provided in the cover 25. The barrel 24 can be a cylinder with one end open. The cover 25 is fixedly connected to the barrel 24. In this embodiment, the cover 25 is roughly in the shape of a circular thin plate, which is just received in the receiving cavity 21 and is located at the open end 241. The cover 25 can be fixed to the barrel 24 by conventional connection means (for example, adhesive bonding, hot melting, etc.), and the connection between the cover 25 and 24 can be sealed by a sealant 201. When applied to a portable electronic device, the barrel 24 can be fixed to the inner surface of the housing of the portable electronic device.

[0059] It is understood that the structure of the housing 20 is not limited to the above description. Figure 4 The housing 20 includes a barrel 24a and a cover 25a. When used in a portable electronic device, the cover 25a can be fixed to the inner surface of the housing of the portable electronic device. Unlike the cover 25 located at the bottom of the barrel 24, the cover 25a is located at the top of the barrel 24a. The first through hole 22 is provided in the cover 25a, the second through hole 23 is provided in the barrel 24a, and the moving part matching part 40a is integrally formed with the barrel 24a.

[0060] In this embodiment, the moving part 30 divides the receiving chamber 21 into a first receiving chamber 211 and a second receiving chamber 212, the first through hole 22 is communicated with the first receiving chamber 211, the moving part matching part 40 and the driving part 50 are accommodated in the second receiving chamber 212, and a third through hole 32 is provided on the moving part 30, and the first through hole 22 and the third through hole 32 are communicated with each other.

[0061] In this embodiment, the moving member matching member 40 is a column, and a through hole 41 is formed along its length direction. The through hole 41 is formed by the first end ( Figure 2 The top of the middle part) extends to the second end ( Figure 2 The first end of the moving member matching member 40 is in contact with the moving member 30, the second end of the moving member matching member 40 is in contact with the cover 25, and the through hole 41 is opposite to the second through hole 23 and is connected thereto. In this embodiment, a plurality of protrusions 42 extend from the second end of the moving member matching member 40, and a plurality of through holes 251 are correspondingly provided on the cover 25 (see Figure 1 ), the protrusion 42 is inserted into the through hole 251, and the protrusion 42 and the through hole 251 are interference fit, so that the moving part matching part 40 can be fixed to the cover 25. It can be understood that when necessary, the moving part matching part 40 can be fixed to the cover 25 by other conventional connecting means.

[0062] In the present embodiment, the edge of moving member 30 is fixedly connected to barrel 24, and moving member 30 has the ability of elastic deformation, and the part of moving member 30 can move relative to moving member matching member 40.When driven by driver 50, elastic deformation takes place in moving member 30 so that the top of itself and moving member matching member 40 keep the part of close contact and leave this top, thereby form gap 31.Adopt this mode, moving member 30 can rely on the elastic deformation of self to return to the sealed state with moving member matching member 40, need not to set extra elastic reset member, help simplified structure.Through the detailed description of driver 50 below, the effect of the above-mentioned structure of moving member 30 and moving member matching member 40 will be clearer.

[0063] In the present embodiment, the driving member 50 is an electromagnet, and the moving member 30 includes a magnet 33. After power-on, a repulsive force of mutual repulsion is generated between the driving member 50 and the magnet 33, and the repulsive force pushes the moving member 30 to generate the gap 31. Specifically, the moving member 30 includes a substrate 34 with elastic deformation ability. The substrate 34 is a circular thin plate, and the magnet 33 can be fixed to the substrate 34 by conventional connection means such as adhesive 301. The edge of the substrate 34 is fixedly connected to the barrel 24, and the bottom surface of the substrate 34 and the top of the moving member matching member 40 are kept in close contact to form a seal. The magnet 33 is fixed to the top surface of the substrate 34, and the magnet 33 is located between the substrate 34 and the top of the barrel 24, that is, the magnet 33 is located in the first receiving chamber 211. The thickness of the first receiving chamber 211 is greater than the thickness of the magnet 33, thereby allowing the magnet 33 to move to the top of the barrel 24 until it contacts the top of the barrel 24. The repulsive force can push the magnet 33 to move away from the moving part matching part 40, driving the base plate 34 to produce elastic deformation, so that the gap 31 is formed between the base plate 34 and the moving part matching part 40 (the breathable valve 10 is in an open state at this time), thereby allowing air to flow out of the first through hole 22 after passing through the second through hole 23, the through hole 41, the gap 31, and the third through hole 32 in sequence. When the repulsive force generated by the electromagnet disappears, the base plate 34 returns to its initial shape, thereby returning to a close contact with the moving part matching part 40 to form a seal (the breathable valve 10 is in a closed state at this time), and air cannot flow between the first through hole 22 and the second through hole 23.

[0064] In the present embodiment, the edge of the moving member 30 (i.e. the edge of the substrate 34) remains fixed by the first sleeve 26 and the second sleeve 27. Specifically, the outer diameter of the first sleeve 26 and the second sleeve 27 is identical with the internal diameter of the first accommodating chamber 21, so that the first sleeve 26 and the second sleeve 27 can be just accommodated in the first accommodating chamber 21, and cannot move radially in the first accommodating chamber 21. The top of the first sleeve 26 conflicts with the top of the barrel 24, and the bottom of the second sleeve 27 conflicts with the cover 25, and the edge of the moving member 30 (i.e. the edge of the substrate 34) is tightly clamped between the bottom of the first sleeve 26 and the top of the second sleeve 27, thereby cannot move. The above-mentioned fixing mode of the edge of the moving member 30 is simple and easy to realize. It can be understood that, when necessary, the edge of the moving member 30 can remain fixed by other conventional connecting means (for example gluing).

[0065] like Figure 2As shown, in this embodiment, the top of the moving part matching part 40 is a plane, and the bottom surface of the moving part 30 matching with the top (i.e., the bottom surface of the substrate 34) is also a plane, and the bottom surface of the moving part 30 is tightly fitted with the top of the moving part matching part 40. It can be understood that the structure of the moving part matching part 40 and the moving part 30 is not limited to this, as long as a sealed structure can be formed between the two. For example, Figure 5 As shown, the moving part matching piece 40 is provided with a first positioning portion facing the moving part 30, and the moving part 30 is correspondingly provided with a second positioning portion, and the second positioning portion and the first positioning portion cooperate to form the sealed state. Specifically, the first positioning portion is a depression formed on the moving part matching piece 40 and communicated with the second through hole 23, and the second positioning portion is a protrusion 35 arranged on one side of the moving part 30 facing the moving part matching piece 40. The protrusion 35 can be a truncated cone shape, and at this time, the through hole 41 can be used as a depression, and the protrusion 35 is elastically deformed after being accommodated in the through hole 41 and subjected to the extrusion of the inner side of the through hole 41, thereby forming a seal between the moving part 30 and the moving part matching piece 40.

[0066] In the present embodiment, the driving member 50 is an electromagnet, which comprises a coil 51 and an iron core around which the coil 51 is surrounded. In order to simplify the structure, the moving member matching member 40 is made of magnetic conductive material, which is the iron core of the electromagnet, and the coil 51 surrounds the outer surface of the moving member matching member 40. In the present embodiment, the cover 25 is a circuit board, and the two ends of the coil 231 are electrically connected to the cover 25 respectively, and electric current can flow into one end thereof via the circuit board and flow out from the other end thereof. The moving member matching member 40 is not only used for the moving member 30 cooperation, but also simultaneously serves as the iron core of the driving member 50, which helps to simplify the structure, reduce the number of parts and reduce costs.

[0067] It is understandable that the iron core can also be an independently manufactured element, which can be fixed in the second receiving chamber 212 by conventional connection means. When the coil 51 is energized, the coil 51 cooperates with the iron core to generate a repulsive force on the magnet 33, and when the coil 51 is powered off, the above repulsive force disappears. In this embodiment, since the moving part matching part 40 is made of magnetic conductive material, when the above repulsive force disappears, the suction force between the magnet 33 and the moving part matching part 40 also drives the moving part 30 to move toward the moving part matching part 40 until the two return to the initial sealing state. The driving part 50 based on the electromagnet has a simple and reliable structure, and the driving part 50 can be controlled to switch between the closed state and the open state only by the on and off of the current. In addition, the breathable valve 10 based on the above-mentioned driving part 50 can be configured as a normally closed valve, that is, the breathable valve 10 is in a closed state under normal circumstances, and the breathable valve 10 is switched to an open state only by energizing the driving part 50 in a specific scene, which is conducive to reducing the power consumption of the portable electronic device.

[0068] Embodiment 2

[0069] See also Figure 6 , compared to Figure 2 The vent valve shown in the figure is a vent valve in this embodiment that only has an elastic reset member added, and the remaining components are the same, and the same components are represented by the same reference numerals. This embodiment is described in detail below.

[0070] The substrate 34 is not connected with the barrel 24, and the first sleeve 26 is omitted at this moment. The substrate 34 as a whole can move relative to the moving part matching part 40. When the driving member 50 produces the repulsive force to the magnet 33, the substrate 34 moves in the direction away from the moving part matching part 40 under the guidance of the inner side surface of the first accommodating chamber 21, until the magnet 33 contacts the top of the barrel 24. In order that the substrate 34 can be returned to the initial position and closely contact with the top of the moving part matching part 40 to form a seal after the repulsive force generated by the electromagnet disappears, one or more elastic reset members 36 can be arranged between the top of the substrate 34 and the barrel 24, the two ends of the elastic reset member 36 are respectively in conflict with the top of the substrate 34 and the barrel 24, the elastic reset member 36 is in a compressed state, and the elastic reset member 36 pushes the substrate 34 to return to the initial position and closely contact with the top of the moving part matching part 40 to form a seal after the repulsive force generated by the electromagnet disappears. The substrate 34 is made of a material that can produce elastic deformation (such as silicone), and produces elastic deformation when subjected to the thrust of the elastic reset member 36, thereby forming a seal between the substrate 34 and the top of the moving member matching member 40 in contact therewith.

[0071] Embodiment 3

[0072] See also Figure 7 , compared to Figure 2 The vent valve shown in the figure is only provided with an elastic reset member 37 in the present embodiment, and the remaining components are the same, and the same components are indicated by the same reference numerals. The present embodiment is described in detail below.

[0073] In this embodiment, the magnet 33 can also be replaced by a metal part that can be attracted by magnetic force. For the convenience of description, the magnet 33 and the metal part that can be attracted by magnetic force are collectively referred to as a matching part. After the coil 51 is energized, a suction force is generated between the coil 51 and the matching part, and the suction force makes the moving part 30 and the moving part matching part 40 match each other to form a sealed state. After the coil 51 of the driving part 50 is powered off, the suction force disappears, and the elastic reset part 37 drives the moving part 40 to move away from the moving part matching part 40, thereby generating the gap 31.

[0074] In this embodiment, the elastic reset member 37 is disposed between the base plate 34 and the moving member matching member 40. Specifically, a receiving hole 43 is disposed at the top of the moving member matching member 40, one end of the elastic reset member 37 is received in the receiving hole 43, and the other end thereof is in conflict with the bottom surface of the base plate 34 facing the moving member matching member 40, and the elastic member 37 is in a compressed state, and is used to apply a thrust to the base plate 34.

[0075] It can be understood that the elastic reset member 37 is also disposed between the substrate 34 and the top of the barrel 24, and its two ends are respectively fixed to the substrate 34 and the top of the barrel 24, and is used to apply tension to the substrate 34. When the coil 51 is powered off, the tension of the elastic reset member 37 pulls the substrate 34 away from the moving part matching member to form the gap 31. When the coil 51 is powered on, the suction force generated by the coil 51 and the iron core overcomes the tension of the elastic reset member 37, driving the substrate 34 to move until the substrate 34 and the moving part matching member 40 cooperate with each other to form a sealed state.

[0076] Embodiment 4

[0077] Different from the state switching of the air valve 10 in the first, second and third embodiments, which involves de-energizing the coil 51 , in the present embodiment, during the state switching of the air valve 10 , the coil 51 always remains energized.

[0078] The breathable valve of this embodiment has the same structure as the breathable valve disclosed in Example 1, and the same components are represented by the same reference numerals. Figure 8 , the direction of the current flowing into the coil 51 can be changed as needed. Specifically, a current direction control circuit is connected between the coil 51 and the controller 70 of the portable electronic device to which the breathable valve 10 is applied, and the controller 70 can change the direction of the current flowing into the coil 51 through the current direction control circuit 501, so that the cooperation of the coil 51 and the iron core can generate a repulsive force or an attractive force on the magnet 33 as needed. In a specific scenario, the controller 70 controls the current in the first direction to flow into the coil 51, and the cooperation of the coil 51 and the iron core generates a repulsive force on the magnet 33, pushing the substrate 34 to move in a direction away from the moving part matching part 40, thereby forming a gap 31 between the substrate 34 and the moving part matching part 40. When necessary, the controller 70 controls the current in the second direction to flow into the coil 51, and the cooperation of the coil 51 and the iron core generates an attractive force on the magnet 33, pulling the substrate 34 to move in a direction close to the moving part matching part 40, until the substrate 34 and the moving part matching part 40 cooperate with each other to form a sealed state.

[0079] It can be understood that the vent valve of this embodiment can also be realized by modifying the coil 51 of the vent valve disclosed in Example 1. Specifically, on the basis of the vent valve disclosed in Example 1, two groups of coils 51 are provided on the outer surface of the moving part matching part 40, and the winding directions of the two groups of coils 51 are opposite. In a specific scenario, the controller 70 controls the current to flow into the first group of coils 51, and the second group of coils 51 is powered off. The cooperation of the first group of coils 51 and the iron core generates a repulsive force on the magnet 33, pushing the substrate 34 to move in a direction away from the moving part matching part 40, thereby forming a gap 31 between the substrate 34 and the moving part matching part 40. When necessary, the controller 70 controls the current to flow into the second group of coils 51, and the first group of coils 51 is powered off. The cooperation of the second group of coils 51 and the iron core generates an attractive force on the magnet 33, pulling the substrate 34 to move in a direction close to the moving part matching part 40, until the substrate 34 and the moving part matching part 40 cooperate with each other to form a sealed state.

[0080] Embodiment 5

[0081] In this embodiment, the breathable valve adopts a linear actuator instead of Figure 2 The other components of the electromagnet type driving member shown are the same, and the same components are represented by the same reference numerals.

[0082] See also Fig. 9 The driving member 50 in this embodiment is a linear actuator, which includes a body 52, a guide rod 53 extending from one end of the body, and a slider 54 that can slide along the guide rod 53. The driving member 50 is fixed in the through hole 41 of the moving member matching member 40. The body 52 includes a motor, which is used to drive the guide rod 53 to rotate, and the slider 54 connected to the guide rod 53 can move linearly along the guide rod 53 under the drive of the guide rod 53.

[0083] The slider 54 is in contact with the moving member 30, and the movement of the slider 54 can drive at least a portion of the moving member 30 to move relative to the moving member matching member 40, thereby forming a gap 31 between the moving member matching member 40 and the moving member 30. In this embodiment, the slider 54 is fixed to the moving member 30, and the slider 54 can push at least a portion of the moving member 30 away from the moving member matching member 40, and can also pull at least a portion of the moving member 30 to move toward the moving member matching member 40, until the moving member 30 and the moving member matching member cooperate with each other to form a sealed state.

[0084] It is understandable that the slider 54 may not be fixed to the moving member 30, and the slider 54 can only push at least a part of the moving member 30 away from the moving member matching member 40 to form the gap 31. At this time, the air-permeable valve 10 further includes an elastic reset member (not shown), which is used to apply a thrust or a pull to the moving member 30, and is used to drive the moving member 30 to return to the state of cooperating with the moving member matching member 40 to form a sealed state after the slider 54 is out of contact with the moving member 30.

[0085] Embodiment 6

[0086] See also Fig.10 , compared to Figure 2 The vent valve shown in the figure has the positions of the moving part and the moving part matching part adjusted, and the remaining components are the same, and the same components are represented by the same reference numerals. This embodiment is described in detail below.

[0087] In this embodiment, the moving member 30 is connected to the shell 20, and the moving member 30 divides the receiving chamber 21 into a first receiving chamber 211 and a second receiving chamber 212. The first through hole 22 is communicated with the first receiving chamber 211, and the second through hole 23 is communicated with the second receiving chamber 212. The moving member matching member 40 and the driving member 50 are accommodated in the first receiving chamber 211. The moving member is provided with a third through hole 32, and the second through hole 23 is communicated with the third through hole 32.

[0088] In this embodiment, the top end of the moving member matching member 40 is sealed and fixedly connected to the top of the barrel 24, and the bottom end of the moving member matching member 40 cooperates with the moving member 30 to form a sealed state, preventing the first through hole 22 from communicating with the third through hole 32. In the open state of the breathable valve 10, the first through hole 22 is communicated with the third through hole 32 through the gap 31, and then communicated with the second through hole 23.

[0089] The relationship between the moving member 30 and the housing 20 can refer to the relationship between the moving member 30 and the housing 20 disclosed in the first embodiment. For example, the edge of the moving member 30 is fixedly connected to the housing 20, and the bottom of the substrate 34 and the moving member matching member 40 keeps close contact and forms a seal, thereby the third through hole 32 and the first through hole 22 are isolated. The moving member 30 has the ability of elastic deformation, and a part of the moving member 30 can move relative to the moving member matching member 40. When driven by the driving member 50, the moving member 30 is elastically deformed so that the bottom of the moving member matching member 40 keeps the part of close contact and leaves the bottom, thereby forming a gap 31. The relationship between the moving member 30 and the housing 20 is not limited to this, and the aforementioned embodiment has been described in detail the relationship between the moving member 30 and the housing 20, which will not be repeated here.

[0090] It can be understood that the driving member 50 in this embodiment can adopt the electromagnet type driving member or linear driver disclosed in the above embodiments, which will not be described in detail here.

[0091] Embodiment 7

[0092] See also Fig.11 , compared to Figure 2 The vent valve shown in the figure has the position of the moving part adjusted in the vent valve of this embodiment, and the other components are the same, and the same components are represented by the same reference numerals. This embodiment is described in detail below.

[0093] In this embodiment, the moving part matching part 40 is provided with a fourth through hole 44 and a fifth through hole 45 which are connected to each other, the moving part is accommodated in the fourth through hole 44, the fourth through hole 44 is connected to the second through hole 23, the fifth through hole 45 is connected to the first through hole 22, the moving part 30 and the moving part matching part 40 cooperate with each other to form a sealing state, preventing the fourth through hole 44 and the fifth through hole 45 from being connected, and when the gap 31 is formed, the fourth through hole 44 and the fifth through hole 45 are connected, so that the first through hole 22 and the second through hole 23 are connected.

[0094] In the present embodiment, the 4th through hole 44 is arranged at the top of the moving part matching part 40, which is connected with the through hole 41 and constitutes a stepped hole structure, and the inner side of the 4th through hole 44 is connected with the inner side of the through hole 41 by an annular surface. The depth of the 4th through hole 44 is roughly the same as the thickness of the moving part 30, so that the moving part 30 can be just accommodated in the 4th through hole 44 and supported by the annular surface, at this time, between the top of the moving part 30 and the top of the barrel 2, a certain interval is maintained, reserving the space for the moving part 30 to move upward. The 5th through hole 45 is arranged on the outer side of the moving part matching part 40, and it is extended radially inward by the outer side of the moving part matching part 40 until being communicated with the 4th through hole 44. After the moving part matching part 40 is accommodated in the 4th through hole 44, the outer side of the 5th through hole 45 passive part matching part 40 is blocked and cannot be communicated with the 4th through hole 44.

[0095] When driven by the driving member 50, the moving member 30 moves in a direction away from the fourth through hole 44 until it contacts the top of the barrel 24, at which time a gap 31 is formed between the bottom surface of the moving member 30 and the annular surface supporting it, and the moving member 30 no longer blocks the fifth through hole 45. The fifth through hole 45 is connected to the fourth through hole 44 through the gap 31. When the driving member 50 no longer drives the moving member 30, the moving member 30 is driven by the suction force between the magnet 33 and the moving member matching member 40 to return to cooperate with the moving member matching member 40 to form a sealed state.

[0096] It is understandable that the moving member 30 can be located at other positions in the moving member matching member 40, for example, at the bottom end of the moving member matching member 40. In this case, the moving member matching member 40 needs to be fixed to the top of the barrel 24 (refer to Fig.10 ), the fourth through hole 45 is set at the bottom end of the moving member matching member 40, which will not be repeated here.

[0097] It can be understood that the driving member 50 in this embodiment can adopt the electromagnet type driving member or linear driver disclosed in the above embodiments, which will not be described in detail here.

[0098] Please refer to 12. The present invention further discloses a portable electronic device 100, which includes a shell 60. The air valve 10 is connected to the shell 60. When the air valve 10 is in an open state, the inside and outside of the shell 60 are allowed to communicate through the air valve 10, and the air inside and outside the shell 60 can circulate, thereby achieving air pressure balance inside and outside the shell 60.

[0099] In this embodiment, the breathable valve 10 is disposed inside the housing 60. For example, the inner surface of the housing 60 is provided with a receiving cavity 61, which is in communication with the internal space of the housing 60 and includes an opening facing the internal space of the housing 60. The breathable valve 10 is received in the receiving cavity 61. The housing 60 is also provided with a through hole 62 in communication with the outside thereof, and the through hole 62 extends inward from the outer surface of the housing 60 until it is in communication with the receiving cavity 61. If the breathable valve 10 is in a closed state, the air inside the housing 60 cannot flow outward. If the breathable valve 10 is in an open state, the air inside the housing 60 can flow out to the outside of the housing 60 through the gap 31 and the through hole 62.

[0100] With the above solution, the air valve 10 is arranged near the through hole 62, so that the air inside the shell 60 passes through the air valve 10 and then quickly flows to the outside of the shell 60, which is conducive to the rapid realization of air pressure balance inside and outside the shell 60.

[0101] Those skilled in the art who understand the present invention will realize that the arrangement of the vent valve 10 relative to the housing 60 is not limited to the above-described arrangement, and can be changed according to actual needs. For example, the receiving cavity 61 can extend directly from the inner surface of the housing 60 to the outer surface of the housing 60, and one end of the vent valve 10 is substantially flush with the outer surface of the housing 60. In this case, the end of the vent valve 10 is directly exposed, and the housing 60 does not need to be provided with a through hole 62. Other arrangements of the vent valve 10 are not described in detail here.

[0102] See also Fig.13In one embodiment, the portable electronic device 100 further includes a controller 70, which can read computer-readable instructions stored in the memory of the portable electronic device 100, and the computer-readable instructions can enable the controller 70 to execute control of the breathable valve 10 and other components. The controller 70 can be a central processing unit (CPU) of the portable electronic device 100, or an application-specific integrated circuit (ASIC) or other microcontrollers.

[0103] In one embodiment, the controller 70 controls the breathable valve 10 to switch from the closed state to the open state in response to an event that meets the preset conditions. In this embodiment, the portable electronic device 100 also includes a speaker 80 electrically connected to the controller 70, and the speaker 80 needs to work normally under a predetermined range of air pressure. When the internal space of the portable electronic device 100 is compact and the electronic components are densely arranged in the internal space, in some scenarios, some electronic components (such as a central processing unit) will generate a large amount of heat under high load. This large amount of heat will increase the air pressure inside the portable electronic device 100 and be higher than the air pressure of the external environment, which may affect the normal operation of the speaker 80 and cause the output of the speaker to be distorted. In order to solve the above problem, the event that meets the preset conditions can be the activation of the speaker 80, that is, the controller 70 controls the speaker 80 to output sound. In this way, as long as the controller 70 detects a scene where the speaker needs to be activated (such as a voice call, a video call), the controller 70 switches the breathable valve 10 from the closed state to the open state, so that the air inside and outside the housing 60 can circulate, and the air pressure inside and outside the housing 60 is balanced. In this way, the speaker 80 can always work within the normal air pressure range. It is understandable that the events that meet the preset conditions are not limited to the aforementioned situations. For example, it can be a voice call, video call, etc. that lasts for a preset time. This is helpful to exclude scenarios where voice calls, video calls, etc. last for a very short time, and the above scenarios usually do not generate a lot of heat. The events that meet the preset conditions can also be other scenarios that can cause the internal temperature of the portable electronic device 100 to rise rapidly, for example, the portable electronic device 100 plays a video for a preset time, the central processor runs a game with a high load for a preset time, etc.

[0104] In one embodiment, the portable electronic device 100 further includes an input device 90 electrically connected to the controller 70, and the input device 90 is used to receive user input, which may be a touch display screen, a mechanical button, a touch response button, etc. The event that meets the preset conditions may also be that the controller 70 receives a specific command input by the user through the input device 90. This allows the user to send a command through the input device 90 to switch the breathable valve 10 from a closed state to an open state when the user finds an abnormality, such as when the volume of the sound output by the speaker 80 is significantly lower than the normal volume in the past, so that the air inside and outside the housing 60 can circulate, and the air pressure inside and outside the housing 60 is balanced.

[0105] In one embodiment, the portable electronic device 100 further includes a sensor assembly 110 electrically connected to the controller 70, and the sensor assembly 110 may include a variety of sensors, such as a temperature sensor, an air pressure sensor, etc. The temperature sensor is used to detect the temperature inside the housing, and the air pressure sensor is used to detect the air pressure inside the housing. The controller 70 may monitor the temperature and air pressure inside the housing 60 according to the outputs of the temperature sensor and the air pressure sensor. The event that meets the preset condition may also be a change in the temperature inside the housing 60 that satisfies a specific rule, or a change in the air pressure inside the housing 60 that satisfies a specific rule. Specifically, the change in the temperature inside the housing 60 that satisfies a specific rule may be: the temperature value exceeds a preset value, and the speed of temperature rise (temperature rise value per unit time) reaches a preset value. The change in the temperature inside the housing 60 that satisfies a specific rule may be: the air pressure value exceeds a preset value, and the speed of air pressure rise (temperature rise value per unit time) reaches a preset value. It can be understood that the change in the temperature / air pressure inside the housing 60 that satisfies a specific rule is not limited to the aforementioned situation, and can be adjusted according to actual needs. The above technical solution can enable the portable electronic device 100 to respond to changes in the external environment and balance the internal and external air pressure. For example, when the air pressure detected by the air pressure sensor continuously decreases, the controller 70 can assess that the user may be traveling to a high altitude. At this time, the controller 70 can switch the air valve 10 to an open state to allow air to circulate between the inside and outside of the housing 60, thereby allowing the output of the air pressure sensor to more accurately reflect the air pressure of the external environment.

[0106] In one embodiment, in response to a specific event, the controller 70 is further used to control the vent valve 10 to switch from the open state to the closed state, wherein the specific event includes detecting that liquid has entered between the housing 60 and the vent valve 10. Specifically, the vent valve 10 further includes a liquid detection component 120, which is disposed in the receiving cavity 21 and communicated with the outside of the housing 60 to detect whether liquid has entered between the housing 60 and the vent valve 10. Please also refer to Fig.13 In this embodiment, the liquid detection component 120 includes two electrodes 121 spaced apart from each other and a resistance detection unit 122 electrically connected to the air, and the resistance detection unit is used to detect the resistance value between the two electrodes 121. The controller 70 determines whether liquid enters between the housing 60 and the air valve 10 based on the resistance value between the two electrodes 121.

[0107] The working principle of the liquid detection component 120 is as follows: Under normal circumstances, the resistance detection unit 122 detects that the resistance between the electrodes 121 is infinite; when liquid enters the receiving chamber 21 through the through hole 62 and the first through hole 22, both electrodes 121 are in contact with the liquid, and the resistance between the two electrodes 121 decreases. The controller 70 determines whether liquid has entered the receiving chamber 21 based on the change in resistance between the electrodes 121. In this embodiment, the electrode 121 is a metal wire disposed in the receiving chamber 21 and outside the moving part matching part 40. When a night drop flows into the through hole 62, it can flow into the receiving chamber 21 through the first through hole 22 and the third through hole 32. A portion of the electrode 121 is located in the receiving chamber 21, and another portion is connected to the resistance detection unit 122. The resistance detection unit 122 can be disposed on a circuit board serving as a cover 25. Thus, when the liquid flowing into the receiving chamber 21 contacts both electrodes 121, the controller 70 can detect that the liquid has flowed into the receiving chamber 21 according to the change in resistance between the two electrodes 121. The above scheme can switch the air-permeable valve 10 from the open state to the closed state when detecting that the liquid has flowed into the receiving chamber, thereby preventing the liquid from flowing into the housing 60 through the air-permeable valve 10, which is beneficial to protecting the electronic components inside the housing 60. The electrode 121 is arranged in the receiving chamber 21, which can more accurately detect the liquid flowing in from the through hole 62, because most of the liquid flowing in from the through hole 62 will flow into the receiving chamber 21.

[0108] In one embodiment, the housing 60 is provided with a sound outlet hole (not shown) for allowing the sound output by the speaker 80 to propagate to the outside of the housing 60. Some conventional electronic devices also use the sound outlet hole of the speaker to passively balance the internal and external air pressures. The solution disclosed in the embodiment of the present invention actively balances the internal and external air pressures through the breathable valve 10, and the air inside the housing 60 can flow into the outside of the housing 60 through the through hole 62 or directly through the breathable valve 10 (the through hole 62 is omitted in this case).

[0109] The above is a detailed introduction to the air valve and portable electronic device disclosed in the embodiments of the present invention. Specific examples are used in this article to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the air valve and portable electronic device of the present invention and their core ideas. At the same time, for those skilled in the art, according to the ideas of the present invention, there will be changes in the specific implementation methods and application scopes. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A vent valve, characterized in that: include: A shell, wherein the shell is provided with a receiving cavity, a first through hole and a second through hole, wherein the first through hole and the second through hole are both communicated with the receiving cavity; Moving parts; Moving parts matching parts; and A driving member, wherein the moving member, the moving member matching member and the driving member are all accommodated in the accommodating cavity, the moving member and the moving member matching member cooperate with each other to form a sealing state, preventing the first through hole from being connected to the second through hole, and the driving member is used to drive the moving member so that at least a part of the moving member moves relative to the moving member matching member, thereby forming a gap between the moving member matching member and the moving member, and the first through hole and the second through hole are connected through the gap; The moving part matching part is provided with a fourth through hole and a fifth through hole which are interconnected. The moving part is accommodated in the fourth through hole. The fourth through hole is interconnected with the second through hole, and the fifth through hole is interconnected with the first through hole. The moving part and the moving part matching part cooperate with each other to form a sealing state, preventing the fourth through hole and the fifth through hole from being interconnected. When the gap is formed, the fourth through hole and the fifth through hole are interconnected.

2. The breathable valve according to claim 1, characterized in that: The driving member is an electromagnet, and the moving member includes a magnet. After power is turned on, a repulsive force that repels each other is generated between the driving member and the magnet, and the repulsive force pushes the moving member to generate the gap.

3. The breathable valve according to claim 2, characterized in that: The moving part also includes a substrate with elastic deformation ability, the magnet is fixed to the substrate, the substrate and the moving part matching part cooperate with each other to form a sealed state, the repulsive force can push the magnet to move and drive the substrate to produce elastic deformation, thereby forming the gap between the moving part matching part and the moving part.

4. The vent valve according to claim 2, characterized in that: It also includes an elastic reset part, and the moving part also includes a substrate. The substrate and the moving part matching part cooperate with each other to form a sealed state. The magnet is fixed to the substrate. The repulsive force can push the magnet to move and drive the substrate to move in a direction away from the moving part matching part. The elastic reset part is used to apply a force to the substrate, and the force drives the substrate to move to an initial position and cooperate with the moving part matching part to form a sealed state.

5. The breathable valve according to claim 1, characterized in that: It also includes an elastic reset member, the driving member is an electromagnet, and the moving member includes a matching part that can be attracted by magnetic force. After power is turned on, a suction force of mutual attraction is generated between the driving member and the matching part. The suction force makes the moving member and the moving member matching member match each other to form a sealed state. After the driving member is powered off, the elastic reset member drives the moving member to move in a direction away from the moving member matching member, thereby generating the gap.

6. The vent valve according to claim 1, characterized in that: The driving member includes a linear actuator, which includes a guide rod and a slider that can slide along the guide rod. The slider is in contact with the moving member. Movement of the slider can drive at least a part of the moving member to move relative to the moving member matching member, thereby forming the gap between the moving member matching member and the moving member.

7. The breathable valve according to any one of claims 1 to 6, characterized in that: The moving member matching member is provided with a first positioning portion facing the moving member, and the moving member is correspondingly provided with a second positioning portion, and the second positioning portion and the first positioning portion cooperate to form the sealing state.

8. The breathable valve according to claim 7, characterized in that: The first positioning portion is a depression formed on the moving member matching member and communicated with the second through hole, and the second positioning portion is a protrusion arranged on a surface of the moving member facing the moving member matching member.

9. The breathable valve according to any one of claims 1 to 6, characterized in that: The shell includes a cylinder and a cover, wherein the cylinder has an open end, the cover is connected to the open end, the cylinder and the cover together form the accommodating cavity, the first through hole is arranged in the cylinder, and the second through hole is arranged in the cover.

10. A portable electronic device comprising: shell; A vent valve, the vent valve is connected to the housing, and the vent valve comprises: A shell, wherein the shell is provided with a receiving cavity, a first through hole and a second through hole, wherein the first through hole and the second through hole are both communicated with the receiving cavity; Moving parts; Moving part matching part; and, a driving member, wherein the moving member, the moving member matching member and the driving member are all accommodated in the accommodating chamber, the moving member and the moving member matching member cooperate with each other to form a sealed state, preventing the first through hole and the second through hole from being connected, the driving member is used to drive the moving member so that at least a part of the moving member moves relative to the moving member matching member, thereby forming a gap between the moving member matching member and the moving member, the first through hole and the second through hole are connected through the gap, thereby allowing the inside and the outside of the housing to be connected through the air-permeable valve; The moving part matching part is provided with a fourth through hole and a fifth through hole which are interconnected. The moving part is accommodated in the fourth through hole. The fourth through hole is interconnected with the second through hole, and the fifth through hole is interconnected with the first through hole. The moving part and the moving part matching part cooperate with each other to form a sealing state, preventing the fourth through hole and the fifth through hole from being interconnected. When the gap is formed, the fourth through hole and the fifth through hole are interconnected.

11. The portable electronic device according to claim 10, wherein: The driving member is an electromagnet, and the moving member includes a magnet. After power is turned on, a repulsive force that repels each other is generated between the driving member and the magnet, and the repulsive force pushes the moving member to generate the gap.

12. The portable electronic device according to claim 11, wherein: The moving part also includes a substrate with elastic deformation ability, the magnet is fixed to the substrate, the substrate and the moving part matching part cooperate with each other to form a sealed state, the repulsive force can push the magnet to move and drive the substrate to produce elastic deformation, thereby forming the gap between the moving part matching part and the moving part.

13. The portable electronic device according to claim 11, wherein: It also includes an elastic reset part, and the moving part also includes a substrate. The substrate and the moving part matching part cooperate with each other to form a sealed state. The magnet is fixed to the substrate. The repulsive force can push the magnet to move and drive the substrate to move in a direction away from the moving part matching part. The elastic reset part is used to apply a force to the substrate, and the force drives the substrate to move to an initial position and cooperate with the moving part matching part to form a sealed state.

14. The portable electronic device according to claim 10, wherein: It also includes an elastic part, the driving part is an electromagnet, and the moving part includes a matching part that can be attracted by magnetic force. After power is turned on, a suction force of mutual attraction is generated between the driving part and the matching part. The suction force makes the moving part and the moving part matching part cooperate with each other to form a sealed state. After the driving part is powered off, the elastic part drives the moving part to move in a direction away from the moving part matching part, thereby generating the gap.

15. The portable electronic device according to claim 10, wherein: The driving member includes a linear actuator, which includes a guide rod and a slider that can slide along the guide rod. The slider is in contact with the moving member. Movement of the slider can drive at least a part of the moving member to move relative to the moving member matching member, thereby forming the gap between the moving member matching member and the moving member.

16. The portable electronic device according to any one of claims 10 to 15, characterized in that: The moving member matching member is provided with a first positioning portion facing the moving member, and the moving member is correspondingly provided with a second positioning portion, and the second positioning portion and the first positioning portion cooperate to form the sealing state.

17. The portable electronic device according to claim 16, wherein: The first positioning portion is a depression formed on the moving member matching member and communicated with the second through hole, and the second positioning portion is a protrusion arranged on a surface of the moving member facing the moving member matching member.

18. The portable electronic device according to any one of claims 10 to 15, characterized in that: The shell includes a cylinder and a cover, wherein the cylinder has an open end, the cover is connected to the open end, the cylinder and the cover together form the accommodating cavity, the first through hole is arranged in the cylinder, and the second through hole is arranged in the cover.

19. The portable electronic device according to any one of claims 10 to 15, further comprising a controller, wherein in response to a specific event, the controller is used to control the breathable valve so that the driving member drives the moving member so that the moving member and the moving member matching member cooperate with each other to form a sealed state, wherein: The specific event includes detecting that liquid enters between the housing and the breathable valve.

20. The portable electronic device according to claim 19, wherein: The air-permeable valve further includes a liquid detection component, which is disposed in the receiving cavity and communicated with the outside of the shell to detect whether liquid enters the air-permeable valve.

21. The portable electronic device according to claim 20, wherein: The liquid detection component includes: two electrodes spaced apart from each other and a resistance detection unit, wherein the resistance detection unit is used to detect the resistance value between the two electrodes, and the controller determines whether liquid has entered the air valve according to the resistance value between the two electrodes.

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