RU2797031C1 - Earphone - Google Patents

Abstract

FIELD: earphones.

SUBSTANCE: earphone comprises a fastening assembly and a fastening component connected to the fastening assembly, which is configured to ensure that the fastening component contacts the user's ear anti-helix on the outer side of the ear when the earpiece is being worn. At the same time, the attachment component comprises a central part having a diaphragm, and an outer cavity on one side of the diaphragm, which is provided with a hole that provides communication of the outer cavity with the outer side of the earpiece and is located between the anti-helix and the upper ear root when the earpiece is in the wearing state, and the central part configured to create a sound that can be transmitted to the ear through the first hole.

EFFECT: improved stability of wearing the earpiece and preventing its detachment, as well as preventing the attachment component from closing the user's external auditory canal.

10 cl, 59 dwg

Description

The field of technology to which the invention belongs

The present application relates to the technical field of loudspeaker devices and in particular to an earpiece.

State of the art

Headphones are widely used in people's daily lives, and can be used in combination with electronic devices such as mobile phones, computers, etc., to provide users with listening enjoyment. According to the working principle of headphones, headphones can be generally classified into air conduction headphones and bone conduction headphones. According to the way users wear the headphones, the headphones can be generally classified into headsets, over-ear headphones, and in-ear headphones. According to the interactive communication method between the headphones and electronic devices, the headphones can be generally classified into wired headphones and wireless headphones.

Disclosure of the essence of the invention

The present disclosure represents an earpiece. The earpiece may include a hook-shaped component, a connecting component, and a fastening component. In the wearing state, the hook-shaped component can be configured to be hung between the back of the user's ear and the user's head. The attachment component may be configured to contact the outer side of the ear. The connecting component may be configured to connect the hook-shaped component and the attachment component and extend from the head behind the head to act in conjunction with the hook-shaped component to provide the attachment component with a pressing force against the outer side of the ear.

In some embodiments, in the direction from the first connection point between the hook-shaped component and the connecting component to the free end of the hook-shaped component, the hook-shaped component may be curved towards the back of the ear to form a first contact point with the back of the ear, and the attachment component may form a second contact point with the outer side of the ear. The distance between the first contact point and the second contact point along the direction of passage of the connecting component in the natural state may be smaller than in the wearing state in order to provide the attachment component with a pressing force against the outer side of the ear.

In some embodiments, the hook-shaped component may further form a third contact point with the back of the ear. The third contact point may be located between the first connection point and the first contact point and near the first connection point. The distance between the projections of the first contact point and the third contact point on a reference plane perpendicular to the direction of passage of the connecting component in the natural state may be less than the distance in the wearing state.

In some embodiments, in the direction from the first connection point between the hook-shaped component and the connecting component to the free end of the hook-shaped component, the hook-shaped component may be bent in the direction of the head to form a first contact point and a second contact point with the head. The first contact point may be located between the second contact point and the first connection point so that the hook-shaped component can form a lever structure with the first contact point as the fulcrum. The force directed away from the head and provided by the head at the second contact point can be converted into a force directed towards the head at the first connection point by means of a lever structure to provide the attachment component with a pressing force against the outer side of the ear through the connection component.

In some embodiments, the attachment component may extend into and be retained within the pinna.

In some embodiments, an elastic metal wire may be located within the hook-shaped component. The elastic metal wire may have a direction along the longitudinal axis and a direction along the transverse axis, perpendicular to each other in the cross section of the elastic metal wire, and the size of the elastic metal wire in the direction of the longitudinal axis may be larger than the size of the elastic metal wire in the direction of the transverse axis, so that the hook-shaped component and the attachment component could work together to form a resilient ear clip.

In some embodiments, the ratio of the size of the resilient metal wire in the longitudinal axis direction to the size of the resilient metal wire in the transverse axis direction may be between 4:1 and 6:1.

In some embodiments, the resilient metal wire may be arc-shaped in the transverse axis direction and the ratio of the height of the arc to the size of the resilient metal wire in the longitudinal axis direction may be in the range of 0.1-0.4.

In some embodiments, the implementation of the passing component may be located on the attachment component and in the state of wearing to pass into any of the cavity of the pinna, pinna, triangular cavity and ear suits. The penetrating component may be positioned on the hook-shaped component and, when worn, engage in the curl and/or anti-helix of the ear.

In some embodiments, when worn, the side of the attachment component in contact with the user's skin may be defined as the inner surface, the side opposite the inner surface may be defined as the outer surface, the side of the attachment component facing the ear canal may be defined as the bottom the surface, the side opposite the bottom surface, can be defined as the top surface and the side of the attachment component facing the back of the ear can be defined as the back surface. The penetrating component may be positioned on any of the inner surface, bottom surface, top surface, and rear surface.

In some embodiments, the implementation of the passing component may be removably connected to the attachment component.

In some embodiments, the implementation of the passing component may be pulled on the attachment component through the elastic cuff.

In some embodiments, when worn, the connecting component may be connected to the bottom edge of the attachment component.

In some embodiments, the attachment component may be provided with a central portion and have a multi-section design to adjust the relative position of the central portion on the overall earpiece structure.

In some embodiments, the attachment component may comprise a first attachment section, a second attachment section, and a third attachment section back-to-back in series. The end of the first fastening section, remote from the second fastening section, can be attached to the connecting component. The second fastening section can be folded back relative to the first fastening section and maintain a distance between them so that the first fastening section and the second fastening section have a U-shaped structure, and the central part can be located on the third fastening section.

In some embodiments, the fastening component may comprise a first fastening section, a second fastening section, and a third fastening section connected in series adjacent to each other. The end of the first attachment section remote from the second attachment section may be attached to the connecting component. The second attachment section may be curved relative to the first attachment section. The third attachment section and the first attachment section may be located next to each other at a distance from each other, and the central part may be located on the third attachment section.

In some embodiments, the attachment component may have a thickness direction, a length direction, and a height direction orthogonal to each other. The thickness direction may be configured as the direction in which the attachment component is near or away from the ear in the wearing state, and the height direction can be configured as the direction in which the attachment component is near or away from the crown of the wearer's head in the wearing state. In the natural state and when viewed from the side of the earpiece facing the crown of the wearer's head in the wearing state, the attachment component may be at least a distance away from the section of the hook-shaped component proximate the connection component in the thickness direction. The connecting component may be arranged in an arc shape and connected between the attachment component and the hook component.

In some embodiments, in the thickness direction, the minimum distance between the section of the hook component proximate the connecting component and the attachment component may be greater than 0 and less than or equal to 5 mm.

In some embodiments, the edges of the hook-shaped component section proximate the connector component, the connector component, and the ear-facing attachment component may be arranged in a circular arc shape. In the reference direction that passes through the annular inflection point of the circular arc and parallel to the length direction, the minimum width of the circular arc along the thickness direction at a position of 3 mm away from the annular inflection point can be between 1 mm and 5 mm.

In some embodiments, the side of the attachment component facing the ear may be provided with a sound hole, and the distance between the center of the sound hole and the hook-shaped section of the component located near the connection component in the thickness direction may be in the range of 3 mm to 6 mm .

In some embodiments, the ear-facing side of the attachment component may comprise a first region and a second region. The first region can be made with a resonator hole. The second region may be located farther from the connecting component than the first region and protrude more towards the ear than the first region to allow the sound hole to be in a state away from the ear when worn.

In some embodiments, the distance between the second region and the section of the hook component close to the connection component in the thickness direction may be in the range of 1 mm to 5 mm.

In some embodiments, an orthogonal projection of a section of the hook-shaped component near the connection component in the thickness direction may partially overlap the second region.

In some embodiments, the maximum protrusion height of the second region relative to the first region in the thickness direction may be greater than or equal to 1 mm.

In some embodiments, the attachment component may contact the antihelix of the ear.

Brief description of the drawings

In order to clearly describe the technical solutions in the embodiments of the present disclosure, the drawings mentioned in the description of the embodiments are briefly presented below. Obviously, the drawings in the following descriptions may be some examples or embodiments of the present disclosure. Those skilled in the art can derive other drawings from these drawings without any creative effort.

Fig. 1 is a front view of the user's ear contour structure according to some embodiments of the present disclosure;

Fig. 2 is a front view of an exemplary earpiece structure in accordance with some embodiments of the present disclosure.

Fig. 3 is a left side view of the earpiece structure shown in FIG. 2;

Fig. 4 is a front view of the earpiece shown in FIG. 2, in the state of wearing;

Fig. 5 is a rear view of the earpiece shown in FIG. 2, in the state of wearing;

Fig. 6 is a mechanical model of the earpiece shown in FIG. 2, in the state of wearing;

Fig. 7 is a front view of an earpiece structure in accordance with some embodiments of the present disclosure;

Fig. 8 is a left side view of the earpiece shown in FIG. 7;

Fig. 9 is a front view of the earpiece shown in FIG. 7, in the state of wearing;

Fig. 10 is a rear view of the earphone shown in FIG. 7, in the state of wearing;

Fig. 11 is a mechanical model of the earpiece shown in FIG. 7, in the state of wearing;

Fig. 12 is a plan view of an earpiece structure in accordance with some embodiments of the present disclosure;

Fig. 13 is a front view of an earpiece structure in accordance with some embodiments of the present disclosure;

Fig. 14 is a design of an earpiece according to some embodiments of the present disclosure;

Fig. 15 is a mechanical model of the earpiece shown in FIG. 14, in the state of wearing;

Fig. 16 shows surface structures of the skin-contact area of a battery part corresponding to some embodiments of the present disclosure;

Fig. 17 are various designs of the passing component corresponding to FIG. 12;

Fig. 18 is a design of an earpiece according to some embodiments of the present disclosure;

Fig. 19 is a perspective view of the construction of the hook-shaped component shown in FIG. 8;

Fig. 20 is the design of the elastic metal wire shown in FIG. 19, in cross section on a reference plane perpendicular to the direction of passage of the hook-shaped component;

Fig. 21 is a front view of an earpiece structure in accordance with some embodiments of the present disclosure;

Fig. 22 is a rotary axle assembly design according to an embodiment of the present disclosure;

Fig. 23 is a construction of the rotary axle assembly shown in FIG. 22, before and after assembly;

Fig. 24 is a construction of the rotary axle assembly shown in FIG. 22 corresponding to another embodiment of the present disclosure;

Fig. 25 is a construction of the rotary axle assembly shown in FIG. 24 is an exploded view corresponding to an embodiment of the present disclosure;

Fig. 26 is a cross-sectional view of the rotary axle assembly shown in FIG. 25;

Fig. 27 is a cross-sectional view of the rotary axle assembly shown in FIG. 24 corresponding to another embodiment of the present disclosure;

Fig. 28 is a cross-sectional view of the rotary axle assembly shown in FIG. 27;

Fig. 29 is a cross-sectional view of an XY plane earphone in accordance with some embodiments of the present disclosure;

Fig. 30 is an earpiece construction from the side away from the ear, in accordance with some embodiments of the present disclosure;

Fig. 31 is an earpiece design from the side facing the ear, according to some embodiments of the present disclosure;

Fig. 32 is a structural view of an earpiece viewed from the top of a wearer's head, in accordance with some embodiments of the present disclosure;

Fig. 33 is an exploded view of an earpiece according to some embodiments of the present disclosure;

Fig. 34 is an exploded view of an earpiece according to some embodiments of the present disclosure;

Fig. 35 is an exploded view of an earpiece construction corresponding to some embodiments of the present disclosure;

Fig. 36 is a cross-sectional view of an earpiece in accordance with some embodiments of the present disclosure;

Fig. 37 is an earpiece construction from the side away from the ear, in accordance with some embodiments of the present disclosure;

Fig. 38 illustrates a user's crown-side earpiece design, in accordance with some embodiments of the present disclosure;

Fig. 39 is an exploded view of an earpiece in accordance with some embodiments of the present disclosure;

Fig. 40 shows the structure of the central part facing the main panel, corresponding to some embodiments of the present disclosure;

Fig. 41 is an exploded view of an earpiece according to some embodiments of the present disclosure;

Fig. 42 is an earpiece construction from the side away from the ear, according to some embodiments of the present disclosure;

Fig. 43 is a headphone design from the top of a user's head according to some embodiments of the present disclosure;

Fig. 44 is an exploded view of an earpiece according to some embodiments of the present disclosure;

Fig. 45 is a baffle structure facing the central portion, corresponding to some embodiments of the present disclosure;

Fig. 46 is a cross-sectional view of an earpiece structure in accordance with some embodiments of the present disclosure;

Fig. 47 is a cross-sectional view of the construction of an earpiece according to some embodiments of the present disclosure;

Fig. 48 is an acoustic dipole sound field distribution according to some embodiments of the present disclosure;

Fig. 49 is a baffled acoustic dipole sound field distribution according to some embodiments of the present disclosure;

Fig. 50 is the far field sound pressure for an acoustic dipole with and without baffle, according to some embodiments of the present disclosure;

Fig. 51 is a theoretical model of a baffled acoustic dipole corresponding to some embodiments of the present disclosure;

Fig. 52 is the relationship between the parameter α and the angle θ corresponding to some embodiments of the present disclosure;

Fig. 53 is the relative relationship between the acoustic dipole and the ear, corresponding to some embodiments of the present disclosure;

Fig. 54 is an earpiece design in accordance with some embodiments of the present disclosure;

Fig. 55 is an earpiece design according to some embodiments of the present disclosure;

Fig. 56 is the frequency response of an earpiece according to some embodiments of the present disclosure;

Fig. 57 is a design of the rear cavity of an earpiece, in accordance with some embodiments of the present disclosure;

Fig. 58 is the frequency response of an earpiece according to some embodiments of the present disclosure;

Fig. 59 are earphone designs in a wearing state, in accordance with some embodiments of the present disclosure.

Implementation of the invention

The present disclosure may be further described in detail with reference to the following drawings and embodiments. It should be noted that the following examples are used only to illustrate the present disclosure and do not limit the scope of the present disclosure. The following embodiments are only a part of the embodiments of the present disclosure, but not all of the embodiments. All other embodiments obtained by those skilled in the art without any creative effort may fall within the protection scope of the present disclosure.

The term “embodiment” as used in this disclosure may indicate that a particular function, structure, or feature described in conjunction with an embodiment may be included in at least one embodiment of the present disclosure. Those skilled in the art may clearly and implicitly understand that the embodiments described in this disclosure may be combined with other embodiments.

In FIG. 1 is a front view of a user's ear contour structure in accordance with some embodiments of the present disclosure.

As shown in FIG. 1, in addition to the external auditory meatus 101 and near the ear cavity 102 of the user's ear 100, parts of the ear 100 such as the auricle 103, the triangular cavity 104, etc., can also be used to meet the wearing requirements of headphones, since they have a certain depth and volume in three-dimensional space. In other words, by rationally designing the structure of the earpiece, wearing the earpiece can also be carried out with the user's ear 100 except for the ear canal 101, and the user's ear canal 101 can be "free", thus improving the user's physical health and reducing the likelihood of traffic accidents. - transport accidents. Accordingly, the present disclosure provides an earpiece that primarily utilizes the top of the wearer's ear 100 (including the region containing the pinna 103, the triangular cavity 104, the anti-helix 105, the hood 106, the volute 107, etc.) to realize wearing earpiece. In some embodiments, the user's earlobe 108 and other parts may also be used to improve wearing comfort and reliability of the earpiece. In addition, for ease of description, some relatively specific physiological positions on the ear 100 may be further defined. Special physiological positions may include the superior ear root LA connecting the anterior margin of the helix 107 and the head, the LB Darwin's nodule on the helix 107, the LC prong of the helix end helix 105 proximal to the earlobe 108 and facing the ear cavity 102, the intertragic prong LD of the end of the ear cavity 102 near the earlobe 108 etc. Due to individual user differences, physiological positions such as Darwin's nodules may not be apparent or even non-existent in some users' ears, but this does not indicate that other users' ears do not have such physiological positions.

It should be noted that although the external auditory meatus has a certain depth for passage to the tympanic membrane, for ease of description and in conjunction with FIG. 1, unless otherwise defined in this disclosure, the external auditory meatus may specifically refer to an entrance away from the tympanic membrane, i.e., the ear canal. Additionally, the term "front of the ear" referred to in the present disclosure may be a term referring to the "back of the ear". The anterior side of the ear may refer to the side of the ear facing away from the head, as shown in FIG. 1, and the back of the ear may refer to the side of the ear facing the head. Both the outer side and the back side of the ear are referred to in relation to the user's ear.

Referring to FIG. 2-5, in Fig. 2 is a schematic front view of the construction of an exemplary earphone in accordance with some embodiments of the present disclosure. In FIG. 3 is a schematic left side view of the construction of the earphone shown in FIG. 2. In FIG. 4 is a schematic front view of the earpiece shown in FIG. 2, in the state of wearing. In FIG. 5 is a schematic rear view of the earphone shown in FIG. 2, in the state of wearing. It should be noted that the three directions X, Y, and Z of the earpiece, as shown in FIG. 2 mainly serve to show the three planes XY, XZ, and YZ so as to simplify the corresponding display in the following description. Therefore, all directional features (such as up, down, right, forward, backward, ...) are mainly used in the present disclosure to explain relative positional relationships between components, component movement states, and the like. in a specific position (as shown in Fig. 2). If the particular position changes, the direction features may change accordingly.

As shown in FIG. 2 and FIG. 3, the earphone 10 may include a hook-shaped component 11, a connecting component 12, and a fastening component 13. The connecting component 12 may connect the hook-shaped component 11 and the attachment component 13 so that the earpiece 10 can flex in three dimensions when the earpiece 10 is not in a wearing state (ie, in a natural state). In other words, in three dimensions, the hook component, the connecting component 12, and the attachment component 13 may be coplanar. In such cases, as shown in FIG. 4 and FIG. 5, when the earphone 10 is in the wearing state, the hook-shaped component 11 can be mainly configured to be hung between the back of the ear and the user's head, and the attachment component 13 can be mainly configured to contact the outside. ear, thus allowing the attachment component 13 and the hook-shaped component 11 to cooperate to be secured to the ear. For example, the connecting component 12 may extend from the head to the outside of the head to cooperate with the hook-shaped component 11 to provide the pressing force attachment component 13 to the outside of the ear. The attachment component 13 can specifically press the region where the pinna, triangular cavity, antihelix, and other parts are placed under the pressing force, so that the earpiece 10 cannot cover the ear canal when the earphone 10 is in the wearing state. As another example, when the earphone 10 is in the wearing state, the projection of the attachment component 13 on the user's ear may fall mainly within the helix of the ear. Additionally, the attachment component 13 may be positioned on the side of the external auditory canal of the ear close to the crown of the wearer and contact the helix and/or antihelix. In this way, it is possible to prevent the fastening component 13 from covering the external auditory canal, thus freeing the passage to the two ears of the user. The contact area between the attachment component 13 and the ear can also be increased, thus improving the wearing comfort of the earpiece 10.

It should be noted that based on the standards ANSI: S3.36, S3.25 and IEC: 60318-7, a modeling simulator (eg GRAS 45BC KEMAR) for the head and (left and right) ears can be created. Therefore, the description "the user is wearing the earpiece" or "the earpiece is in the wearing state" may refer to the state in which the earpiece is worn on the ear in the above-mentioned simulator. Accordingly, the "wearing state" referred to in the present disclosure may refer to the normal wearing state of the earpiece after it has been put on the ear in the simulator mentioned above. For ease of description, the normal wearing state may be further illustrated in terms of the outside and back of the ear, such as the normal wearing state shown in FIG. 4 and FIG. 5 and in another example of the normal wearing state shown in FIG. 9 and FIG. 10. Of course, due to individual differences among users, the actual wearing state of the earpiece 10 may differ from the normal wearing state mentioned above.

For adult males, the ears can be relatively thick (commonly known as "fat ears"). By rational design (exemplary illustrations can be described below) of design parameters such as shape, size, and the like. of the connection component 12 and the relationship of the connection with the hook-shaped component 11 and the attachment component 13, it can be ensured that the earpiece 10 fits the ear as best as possible to improve the wearing stability of the earphone 10, and it is possible to prevent the earphone 10 from being detached from the helix near the upper ear root, then yes, the upper ear root can be naturally bypassed to improve wearing comfort of the earphone 10. Additionally, for users such as children, minors, or adult women, the thickness of the ears can often be relatively thin (commonly known as "thin ears"). In particular, compared with the thickness of adult male ears, in order to improve the fit of the earphone 10 to the ears of the user when the earphone 10 is in the wearing state, the size of the connecting component 12 may be small. For example, the connecting component 12 may be an arcuate transition between the fastening component 13 and the hook-shaped component 11.

Additionally, the earphone 10 may also include a core 14, a motherboard 15, and a battery 16. The core 14 may be used primarily to convert an electrical signal into an appropriate mechanical vibration (i.e., "sound shaping") and may be electrically connected to system board 15 and battery 16 with their respective conductors. The motherboard 15 may be used primarily to generate sound in the center portion 14 and the battery 16 may be used primarily to provide power for the sound generation of the center portion 14. The earphone 10 described in this disclosure may also include an audio transmitter such as a microphone or sensor device, and may also include a communication device such as a Bluetooth device or an NFC (Near Field Communication) device that can be electrically connected to the system board 15 and the battery 16 through appropriate conductors to implement the respective functions.

For example, the central part 14 can be attached to the fastening component 13. When the earphone 10 is in the wearing state, the center portion 14 can be pressed tightly against the user's ears under the action of a pressing force. Additionally, when the earphone 10 is in the wearing state, as shown in FIG. 4, since the fastening component 13 is located primarily on the outside of the wearer's ear, in addition to fastening the central portion 14, the fastening component 13 can also be provided with several function buttons (not shown in FIG. 2) that facilitate interaction between the user. and the earphone 10. The motherboard 15 may also be located in the fixture component 13 to reduce wiring between the center portion 14 and the motherboard 15 and wiring between function buttons and the like. and the system board 15. It should be noted that since the fastening component 13 can be provided together with the center portion 14, the main board 15, function buttons, and the like, and is positioned in front of the user's ear when the earphone 10 is in the wearing state, the battery 16 may be located in the hook-shaped component 11 and be mainly located between the back of the ear and the user's head when the earphone 10 is in the wearing state (as shown in Fig. 5). Thus, the capacity of the battery 16 can be increased to improve the wear resistance of the earphone 10, and the weight of the earphone 10 can also be balanced to improve the stability and wearing comfort of the earphone 10.

Additionally, the inventor(s) of the present disclosure, by conducting a long-term study, found that the weight ratio for the ratio of the total weight of the attachment component 13 to the total weight of the part of the hook-shaped component 11 corresponding to the battery 16 (hereinafter referred to as the battery part) can be in within 4:1, preferably within 3:1, and more preferably within 2.5:1. As shown in FIG. 2 and 3, in some embodiments, the total weight of the attachment component 13 may be the weight of the attachment component 13 and the weight of the structural components such as the core 14, motherboard 15, etc., of them. The total weight of the battery part may be the weight of the battery part and the weight of structural components such as the battery 16 contained therein. It will be readily understood by those skilled in the art that the structural components in the fastening component 13 and the structural components in the battery portion may vary according to the needs of the design. Structural component adjustments in various parts may be included in the technical solution of this disclosure and the weight ratio may not be affected, which is not repeated here. In this case, the weight of the earphone 10 can be more evenly distributed on the two ends of the earphone 10, and the user's ears can also serve as a fulcrum to support the earphone 10 when the earphone 10 is in the wearing state, so that the earphone 10 cannot at least slide off, when the earpiece 10 is in the wearing state. Of course, the wearer's ears can bear most of the weight of the earpiece 10, which can easily cause discomfort when worn for a long time. Therefore, the hook-shaped component 11, the connection component 12, the attachment component 13, and other structures can be made of soft materials (such as polycarbonate, polyamide, acrylonitrile styrene-butadiene copolymer, silica gel, etc.) to improve the wearing comfort of the earphone 10. Additionally, in order to improve the structural strength of the earpiece 10, resilient metal conductors such as spring steel, titanium alloy, titanium nickel alloy, chromium molybdenum steel, aluminum alloy, copper alloy, etc., may also be arranged in the structure of the component 11 in the shape of a hook. , connecting component 12, fastening component 13, or in other structures.

It should be noted that in order to take into account the comfort and stability of the earphone 10 in terms of wearing, the following improvements can be made:

1) The connecting component 12 and the battery part can be made of a relatively hard material, and the middle part between the connecting component 12 and the battery part can be made of the relatively soft materials mentioned above. In some embodiments, the implementation of the middle part may also use the design of "soft-wrapped-hard" (hard, wrapped in soft). For example, when the user wears the earphone 10, the area of the hook-shaped component 11 that is in contact with the user may be made from the relatively soft materials mentioned above, and the remainder of the area may be made from the relatively hard materials mentioned above. Various materials can be formed by technologies such as two-color injection molding technology, spray painting technology, etc. The relatively hard materials mentioned above may include, but are not limited to, polycarbonate (PC), polyamides (PA), acrylonitrile-butadiene-styrene copolymer (ABS), polystyrene (polystyrene, PS), high impact polystyrene (High Impact Polystyrene, HIPS), polypropylene (Polypropylene, PP), polyethylene terephthalate (Polyethylene Terephthalate, PET), polyvinyl chloride (Polyvinyl Chloride, PVC)), polyurethanes (Polyurethanes, PU), polyethylene (Polyethylene, PE ), phenol formaldehyde (Phenol-Formaldehyde, PF), polyester sulfones (Polyester sulfones, PES), polyvinylidene chloride (Polyvinylidene chloride, PVDC) ), polymethyl methacrylate (Polymethyl Methacrylate, PMMA), polyether-ether-ketone (Poly-ether-ether-ketone , (PEEK) and the like, or a mixture of at least two of them, or a mixture formed with reinforcing agents such as glass fiber, carbon fiber, etc. Additionally, the spray painting may specifically be hand applied rubber paint, hand elastic paint application, plastic elastic paint, etc.

2) Because the earphone 10 is worn by the user, a portion of the earphone 10 can contact the user's skin (hereinafter referred to as the skin contact area). In addition, the material of the skin-contacting area may generally affect the comfort of the user when wearing the earphone 10 for a long time. Thus, the skin contact area can be made from the relatively soft materials mentioned above, while other areas can be made from the relatively hard materials mentioned above. Various materials can be molded by technologies such as two-color injection molding, spray painting technology, etc.

In some embodiments, the Shore hardness for relatively soft materials may be in the range of 45-85A, 30-60D. Both relatively soft materials and relatively hard materials can coat elastic metal wires.

Additionally, different users may have significant differences in age, sex, and genetically determined characteristics. As a result, the ears and heads of different users may have different sizes and shapes. In such cases, the hook-shaped component 11 may rotate relative to the connecting component 12, or the fastening component 13 may rotate relative to the connecting component 12, or part of the connecting component 12 may rotate relative to another part of the connecting component 12, so that the relative positional relationships of the hook-shaped component 11 connecting the attachment component 12 and the attachment component 13 in three-dimensional space could be adjusted, making it possible to adapt the earphone 10 to different users, that is, to increase the applicability of the earphone 10 to users in terms of wearing. For example, the connecting component 12 may be made from deformable materials such as mild steel wire. The user can bend the connecting component 12 to rotate one part relative to the other part in order to adjust the relative positions of the hook-shaped component, the connecting component 12 and the fastening component 13 in three-dimensional space, thus satisfying the wearing needs. As another example, the connecting component 12 may be provided with a rotary axis mechanism 121 through which the user can also adjust the relative positions of the hook-shaped component 11, the connecting component 12, and the fastening component 13 in three-dimensional space to suit wearing needs. The detailed construction of the rotary axis mechanism 121 is within the understanding of those skilled in the art, so it will not be described in detail here. Further, if the hook-shaped component 11 and the connecting component 12 are movably connected by the rotary axis mechanism 121, the hook-shaped component 11 can rotate relative to the connecting component 12. If the fastening component 13 and the connecting component 12 are movably connected by the rotary axis mechanism 121, the fastening component 13 can rotate relative to the connecting component 12. If a part of the connecting component 12 is movably connected to another part of the connecting component 12 by the rotary axis mechanism 121, the part of the connecting component 12 can be rotated relative to the other part of the connecting component 12.

In FIG. 6 is a schematic representation of the mechanical model of the earpiece shown in FIG. 2, in the state of wearing. It should be noted that the YZ plane in FIG. 6 can be considered as the plane in which the user's head is located. Section ABC in Fig. 6 can be seen as a hook-shaped component. The CD section in FIG. 6 can be considered as a connecting component. The DEF section in FIG. 6 can be considered as a fastening component. Additionally, point C in FIG. 6 may correspond to the area in which the upper proximal end of the ear shown in FIG. 1 (for example, the area indicated by the shaded box C in Fig. 1).

As shown in FIG. 4-6, when the earphone 10 is in the wearing state, the ABC section can be mainly located on the back of the user's ear, the DEF section can be mainly located on the outside of the user's ear, and the CD section can be adapted mainly , to the thickness of the user's ear. In such cases, the BC section, the CD section, and the DEF section can form a "clip"-like structure so that the earphone 10 can be fixed on the user's ear, thus forming the basic wearing state. The following description can be an approximate description of the strength and stability of 10 in terms of wearing:

As shown in FIG. 6, in the direction from the first connecting point C between the hook-shaped component 11 and the connecting component 12 and the free end of the hook-shaped component 11 (for example, the end at which point A is located in Fig. 6), the hook-shaped component 11 may be curved towards the user's head and form a first head contact point B and a second head contact point A. The first contact point B may be located between the second contact point A and the first connection point C. It should be noted that the first contact point B and the second contact point A may both be points defined in the mechanical model. In actual wear, due to the difference in the physiological characteristics of the heads and ears of different users, there may be a certain influence on the actual wearing of the earphone 10. The position of the earphone 10 that is in contact with the head when the earphone 10 is actually worn may correspond to the free end of the component 11 in hook shape or any point between the free end and the first contact point B. In some embodiments, the implementation of the section AB may also partially or completely adjoin the user's head. The mechanical model and the actual principle of wearing stability may be the same as the technical solutions mentioned above. Those skilled in the art can easily study, correct, and combine content based on the technical solutions of the present disclosure without creative effort, and this need not be repeated here. Thus, the hook-shaped component 11 can form a hook structure with the first contact point B as a fulcrum. The free end of the hook-shaped component 11 can be pressed against the user's head, the user's head at the second contact point A can provide a force directed behind the head, which can be converted into a force directed towards the head at the first connection point C through the hook structure, and to the component 13 of the attachment, a force may be applied pressing on the outer side of the ear through the connecting component 12.

It should be noted that in order to allow the free end of the hook-shaped component 11 to press on the user's head when the earphone 10 is in the wearing state, and to allow the user's head to provide a force directed behind the head at the second contact point A, at least the following conditions can be satisfied: the angle formed between the free end of the hook-shaped component 11 and the YZ plane when the earphone 10 is not in the wearing state can be larger than the angle formed between the free end of the hook-shaped component 11 and the YZ plane when the earphone 10 is in a wearing state. The larger the angle formed between the free end of the hook-shaped component 11 and the YZ plane when the earphone 10 is not in the wearing state, the tighter the free end of the hook-shaped component 11 can press the user's head when the earphone 10 is in the wearing state, and the greater the force behind the head at the second contact point A is provided by the user's head, respectively.

It should be noted that when the free end of the hook-shaped component 11 presses on the user's head, in addition to causing the user's head to provide force behind the head at the second contact point A, it can also cause at least the component section BC 11 in the shape of a hook, to generate another pressing force on the back of the ear, which can interact with the pressing force generated by the fastening component 13 on the outer side of the ear, so as to generate a "front and rear pinching" pressing effect on the user's ear, thus improving the stability of the earphone 10 in terms of wearing.

Additionally, the battery 16 may be properly positioned in the AB section of the hook-shaped component 11 to balance the weight of the attachment component 13 and the structures contained therein, such as the core 14 and the motherboard 15, thus improving the stability of the earphone 10s. wearing point of view. In some embodiments, the surface of the hook-shaped component 11 in contact with the ear and/or head of the wearer may be provided as a matte surface, textured surface, or the like to increase friction between the hook-shaped component 11 and the ear and/or the user's head and overcome the own weight of the attachment component 13 and the structures therein, such as the center portion 14, the motherboard 15, and the like, thereby improving the stability of the earphone 10 in terms of wearing. Further, the free end of the hook-shaped component 11 (especially the area where point A is located) can be deformed so that when the earphone 10 is in the wearing state, the free end of the hook-shaped component 11 can press on the user's head and deform. In such cases, the contact area between the free end of the hook-shaped component 11 and the wearer's head can be increased, thus improving the wearing comfort and stability of the earphone 10. For example, the hook-shaped component 11 can be molded by two-color injection molding, and the modulus of elasticity of the free end (especially the area where point A is located) can be smaller than other areas to increase the deformability of the free end. As another example, the free end of the hook-shaped component 11 may be provided with one or more holes 111 in a hollow structure to increase the deformability of the free end. The hole(s) 111 may be through hole(s)) and/or blind hole(s). The number of holes 111 may be one or more, and the direction of the axis of the hole(s) 111 may be perpendicular to the area of contact between the free end of the hook-shaped component 11 and the user's head.

It should be noted that in order to take into account the comfort and stability requirements of the earphone 10 in terms of wearing, the following improvements can also be made. In FIG. 16 is a schematic representation of the surface structures of the skin contact area of a battery portion in accordance with some embodiments of the present disclosure.

1) The contact area of the skin with the battery part can be formed with a texture structure. As shown in diagram (a) in FIG. 16, the texture structure may include a plurality of strip-shaped protrusions 112a spaced along the length direction of the hook-shaped component 11. As shown in diagram (b) in FIG. 16, the texture structure may also include a plurality of dot-shaped protrusions 112b spaced along the length direction of the hook-shaped component 11. In some embodiments, the implementation of the texture structure may be shaped like a grid.

2) As shown in diagram (c) in FIG. 16, the skin-contact area on the battery part may also be provided with a semi-fusiform protrusion 112c extending along the length direction of the hook-shaped component 11. Taking the free end of the hook-shaped component 11 as a reference, in a direction close to the free end of the hook-shaped component 11 (the direction shown by the arrow in Fig. 16), the protrusion height of each part of the semi-fusiform protrusion 112c relative to the hook-shaped component 11 can gradually increase and then gradually decrease. Thus, during the process in which the user wears the earpiece 10, the semi-fusiform protrusion 112c and the user's skin can create as little resistance as possible. After the user finishes wearing the earphone 10, the semi-fusiform protrusion 112c and the user's skin can create as much resistance as possible to prevent the earphone 10 from slipping off.

3) When the skin-to-battery part contact area is arranged as a matte surface, a material with a relatively good skin-like feel may be preferred.

All kinds of protrusions mentioned above can be selected from materials with a relatively soft texture, a relatively high absorption coefficient and a certain degree of skin acceptability. Additionally, in various embodiments described above, the coefficient of friction of the skin-contact area of the battery portion may be in the range of 0.1-1.0.

Just as an example, the linear distance between the projection of point C on the YZ plane and the projection of segment EF on the YZ plane may be in the range of 10-17mm, preferably may be in the range of 12-16mm, and more preferably may be in the range of 13- 15 mm. The angle between the projection of segment BC onto the XY plane and between the projection of segment DE onto the XY plane may be in the range of 0-25°, preferably may be in the range of 0-20°, and more preferably may be in the range of 2-20°. Additionally, the angle between segment AB and the normal passing through point B on the XY plane may be in the range of 0-25°, preferably may be in the range of 0-20°, and more preferably may be in the range of 2-20°. In some embodiments, the linear distance between the projection of point C on the XY plane and between the projection of segment EF on the XY plane may be in the range of 2-4 mm, and preferably may be 2.8 mm. In other embodiments, the linear distance between the projection of point C onto the XY plane and between the projection of segment EF onto the XY plane may be in the range of 1-4 mm, and preferably may be 2.5 mm. Therefore, the connecting component 12 can bypass the upper ear root when the earphone 10 is in the wearing state, thus improving the wearing comfort of the earphone 10.

Based on the above detailed description, in accordance with the approach of the present disclosure, the weight of the earphone 10 can be distributed reasonably and evenly so that the user's ear can serve as a fulcrum to support the earphone 10 when the earphone 10 is in the wearing state. According to another approach of the present disclosure, the connecting component 12 may be positioned between the hook component 11 and the attachment component 13 of the earphone 10, so that when the earphone 10 is in the wearing state, the connecting component 12 can interact with the hook component 11 to provide the component 13 press force attachments for pressing the outside of the ear, thereby firmly pressing the earphone 10 to the ear of the wearer in the wearing state. Such an installation can improve the stability of the earphone 10 in terms of wearing and the reliability of the earphone 10 in terms of sound generation.

Referring to FIG. 7-11, in Fig. 7 is a schematic front view of an earpiece structure in accordance with some embodiments of the present disclosure. In FIG. 8 is a schematic left side view of the earphone shown in FIG. 7. In FIG. 9 is a schematic front view of the earpiece shown in FIG. 7, in the state of wearing. In FIG. 10 is a schematic rear view of the earphone shown in FIG. 7, in the state of wearing. In FIG. 11 is a schematic representation of the mechanical model of the earphone shown in FIG. 7, in the state of wearing. It should be noted that the YZ plane in FIG. 11 can be considered as the plane in which the user's head is located. Section ABC in Fig. 11 can be seen as a hook-shaped component, the CD section in FIG. 11 can be seen as the connecting component and the DEF section of FIG. 11 can be considered as a fastening component. Additionally, point C in FIG. 11 may correspond to the region in which the upper proximal end of the ear in FIG. 1 (the area indicated by the shaded box C in Fig. 1).

As shown in FIG. 4-6, when the earphone 10 is in the wearing state, the ABC section may be located mainly on the back of the user's ear, the DEF section may be located mainly on the outside of the user's ear, and the CD section may be manner, with the ability to adjust to the thickness of the user's ear. In such cases, the BC section, the CD section, and the DEF section may form a "clip"-like structure so that the earpiece 10 can be fixed on the user's ear, thus forming the basic wearing state. The following description may be an exemplary description of the strength and stability of the earphone 10 in terms of wearing:

The main difference from the above-mentioned embodiments may be that in the embodiment shown in FIG. 7 and 8, the hook-shaped component 11 can be positioned closer to the attachment component 13 as a whole, so that when the earpiece 10 is in the wearing state, as shown in FIG. 9 and 10, the free end of the hook-shaped component 11 away from the connecting component 12 could act on the back of the user's ear instead of pressing on the user's head.

As shown in FIG. 11, in the direction from the first point C of the connection between the hook-shaped component 11 and the connecting component 12 to the free end of the hook-shaped component 11 (for example, the end where point A is located in Fig. 11), the hook-shaped component 11 can be bent towards the back of the ear to form a first contact point B with the back of the ear. The attachment component 13 may form a second contact point F with the outer side of the ear. For the earphone 10 in the natural state (i.e., not in the wearing state), the distance between the first contact point B and the second contact point F along the direction of passage of the connecting component 12 may be less than the distance between the first contact point B and the second contact point F along the direction passing the connecting component 12 in the wearing state, thus providing the attachment component 13 with a pressing force on the outer side of the ear. In other words, when the earphone 10 is in the natural state, the distance between the first contact point B and the second contact point F along the running direction of the connecting component 12 may be smaller than the thickness of the user's ear, so that the earphone 10 can be pressed against the user's ear as " clip" in the state of wearing.

Additionally, a first line BC may be provided between the first contact point B and the first connection point C, and a second line EF may be provided between the second contact point F and the second connection point E of the attachment component 13 and the connecting component 12.

Additionally, the hook-shaped component 11 can also extend in the direction from the connecting component 12, that is, the overall length of the hook-shaped component 11 can be increased so that when the earphone 10 is in the wearing state, the hook-shaped component 11 can also form third contact point A with the back of the ear. The first contact point B may be located between the first connection point C and the third contact point A and near the first connection point C. For the earphone 10 in the natural state, the distance between the projections of the first contact point B and the third contact point A on a reference plane perpendicular to the direction of passage of the connecting component 12 (for example, the YZ plane in Fig. 11) may be less than the distance between the projections of the first contact point B and the third contact point A to a reference plane perpendicular to the direction of passage of the connecting component 12 (for example, the YZ plane in Fig. 11) in the wearing state. With the arrangement described above, not only the free end of the hook-shaped component 11 can press against the back of the user's ear, but also the section ABC can be in the form of C, where the third contact point A can also be located in the ear region close to the earlobe, thus , the hook-shaped component 11 can fix the user's ear in the vertical direction (as indicated by the arrow Z in FIG. 11) to overcome the own weight of the attachment component 13. In addition, after the overall length of the hook-shaped component 11 is increased, the hook-shaped component can not only fix the user's ear in the vertical direction, but also increase the contact area between the hook-shaped component 11 and the user's ear, that is, the friction between by the hook-shaped component 11 and the user's ear can be increased, thus increasing the stability of the earphone 10 in terms of wearing.

It should be noted that in order to take into account the comfort and stability requirements of the earphone 10 in terms of wearing, the following improvements can also be made:

1) Since the hook-shaped component 11 needs to be adapted to different ears of users, and different users' ears may have different sizes and shapes, the free end of the hook-shaped component 11 (such as the battery part) may be prone to hanging in the air when the earphone 10 is worn by a user with small ears. That is, the hook-shaped component 11 and the user's ear can only form the first contact point B. Accordingly, in combination with FIG. 7 and FIG. 8, for the hook-shaped component 11, the outer diameter of the battery portion may be larger than other middle portions, that is, there may be a step differentiation, thus forming a progressive grip design. With the arrangement mentioned above, in combination with FIG. 9 and FIG. 10, when the user wears the earphone 10, the hook-shaped component 11 can not only form the first contact point B with the user's ear, but also the free end of the hook-shaped component 11 can form the third contact point A with the user's ear. That is, the battery part can form the third contact point A with the user's ear under any circumstances. Obviously, in order to adapt to a wide group of users, a plurality of progressive coverage designs can be distributed at intervals along the length direction of the hook-shaped component 11.

2) In the same situation, the ratio of the length of the battery part to the long diameter of the outer diameter of the battery part may also affect the attachment of the hook-shaped component 11 to the user's ear. The inventor(s) of the application in a long-term study found that, as shown in FIG. 7 and 8, the ratio of length to long diameter of the outer diameter of the battery part may be 6:1, preferably may be 4:1. In this case, the hook-shaped component 11 can not only form the first contact point B with the user's ear, but the free end can also form the third contact point A with the user's ear. Thus, the battery part can fit the user's ears.

In FIG. 12 is a schematic plan view of an earpiece structure in accordance with some embodiments of the present disclosure.

Based on the above description, as shown in FIG. 1, the wearer's ear 100 may typically have recessed areas such as the ear cavity 102, pinna 103, triangular cavity 104, scapf 106, and the like. Accordingly, the wearer's ear 100 may also typically have raised areas such as an anti-helix 105, a helix 107, helix legs 109, and the like. Based on the concave and convex structures of the ear 100, the earphone 10 can also be tightly attached to the respective positions of the ear 100 by elastic clamping, elastic abutment, hanging and covering, and the like, thereby improving the comfort and reliability of the earphone 10 in terms of wearing. .

Additionally, in combination with FIG. 2-5, the outer surfaces of the fastening component 13 can be defined as follows: 1) the side of the fastening component 13 contacting the user's skin can be defined as the inner surface; 2) the side of the attachment component 13 opposite the inner surface in the X direction can be defined as the outer surface; 3) the side of the attachment component 13 facing the positive direction of the Z-direction can be defined as the top surface; 4) the side of the attachment component 13 facing the negative direction of the Z-direction can be defined as the bottom surface; 5) the side of the attachment component 13 directed in the negative direction of the Y direction can be defined as the rear surface. If the attachment component 13 has a non-cubic structure such as shown in FIG. 2 and 3, and has a structure such as a cylinder, an elliptical cylinder, and the like, the top surface, the bottom surface, and the rear surface can be defined as the peripheral surface in the same way.

The main difference from any of the above embodiments may be that in the present embodiment, the attachment component 13 may not only press on the outside of the user's ear, but may also extend further and be held in the auricle and/or in the triangular cavity of the ear. With the aforementioned arrangement, the attachment component 13 can be stopped and blocked by the ear swirl at least in the direction of passage of the connection component 12 to prevent the attachment component 13 from turning out when the earphone 10 is in the wearing state, thus increasing the stability of the earphone 10c. wearing point of view.

Just for example, as shown in FIG. 12, the earpiece 10 may further comprise a passing component 17 coupled to the attachment component 13. In the direction of passage of the connecting component 12 (as indicated by the arrow X in Fig. 12), the passing component 17 and the attachment component 13 may have a gap and the gap may be less than or equal to the thickness of the ear helix. With the above arrangement, when the earpiece 10 is in the wearing state, the penetrating component 17 may extend into the auricle and/or triangular cavity of the ear. In this case, since the auricle and/or the triangular cavity have a certain depth and volume in three-dimensional space, the attachment component 13 can be caught on the ear curl when the penetrating component 17 passes into the auricle and/or the triangular cavity to prevent the component from being everted. 13 when the earphone 10 is in the wearing state, thus improving the stability of the earphone 10 in terms of wearing. At the same time, the attachment component 13 can press the outer side of the ear under the aforementioned pressing force. The attachment component 13 and the outer side of the ear can interact with each other, which is advantageous in order to increase the stability of the earphone 10 in terms of wearing.

In FIG. 17 is a schematic representation of various designs of the penetrating component shown in FIG. 12. In some embodiments, as shown in diagram (a) of FIG. 17, the penetrating component 17 may be located primarily on the inner surface and/or the lower surface of the attachment component 13 and positioned to be able to pass into the ear cavity 102 after the user puts on the earpiece 10. In this case, the penetrating component 17 can be tightly pressed against the ear cavity 102 and the surrounding tissues of the body, elastically pressing against them.

In other embodiments, as shown in scheme (b) in FIG. 17, the penetrating component 17 may be located primarily on the inner surface of the attachment component 13 and positioned so as to be able to pass into the pinna 103 after the user puts on the earphone 10. In this case, the penetrating component 17 can be pressed tightly against auricle 103 and the surrounding tissues of the body through elastic fixation and/or elastically clinging to them.

In other embodiments, as shown in diagram (c) in FIG. 17, the penetrating component 17 may be positioned primarily on the upper surface of the attachment component 13 and positioned to be able to pass into the triangular cavity 104 after the user puts on the earphone 10. In this case, the penetrating component 17 may be pressed tightly against the triangular cavity 104 and surrounding body tissues through elastic fixation and/or elastic pressing.

In other embodiments, as shown in diagrams (d) or (e) in FIG. 17, the penetrating component 17 may be positioned primarily on the top surface and/or the rear surface of the attachment component 13 and positioned to be able to pass into the suit 106 after the user puts on the earpiece 10. In this case, the penetrating component 17 can be tightly fastened to the suit 106 and surrounding body tissues through elastic fixation and/or elastic pressing.

In other embodiments, as shown in diagram (f) in FIG. 17, the passing component 17 may be positioned primarily on the rear surface of the attachment component 13 and positioned to be able to bend and extend from the outside of the ear 100 to the back of the ear 100 after the user puts on the earphone 10 to engage with the curl. 107. In this case, the penetrating component 17 can be tightly bonded to the curl 107 and surrounding tissues through adhesion and coating.

In other embodiments, as shown in diagram (g) in FIG. 17, the penetrating component 17 may be located mainly on the hook-shaped component 11, for example, at the position of the hook-shaped component 11 close to the battery part. The penetrating component 17 may be configured to bend and extend from the back of the ear 100 to the outside of the ear 100 after the wearer puts on the earphone 10 to engage with the anti-helix 105. In this case, the penetrating component 17 can tightly connect with the anti-helix 105 and surrounding tissues. body through bonding and coating.

In other embodiments, as shown in diagram (h) in FIG. 17, the passing component 17 may be positioned primarily on the hook-shaped component 11, such as a battery part, and be able to bend and extend from the back of the ear 100 to the outside of the ear 100 after the user puts on the earphone 10, thus adhering to the curl 107. In this case, the penetrating component 17 can be tightly connected to the curl 107 and the surrounding tissues of the body through adhesion and coating.

It should be noted that design parameters, such as the size and shape of the penetrating component 17, can be presented and designed according to the requirements of correspondence between the penetrating component 17 and the ear 100, which are not limited here. Additionally, the penetrating component 17 and the corresponding structural component on the earpiece 10 may be integrally molded, that is, the penetrating component 17 and the corresponding structural component on the earphone 10 cannot be separated. In some embodiments, the implementation of the passing component 17 and the corresponding structural component on the earpiece 10 may also be connected in a detachable manner. For example, the fastening component 13 or the corresponding position of the battery part may be provided with a mounting hole, and the passing component 17 may be inserted into the mounting hole. As another example, the penetrating component 17 may be integrally molded with another elastic cuff, so that the penetrating component 17 can be collar-joined at an appropriate location on the attachment component 13 or on the hook-shaped component 11 through the elastic cuff.

Additionally, in combination with FIG. 12, the size of the attachment component 13 in the Y direction may be in the range of 22-34 mm, preferably may be in the range of 24-28 mm, and more preferably may be 26 mm, so that the attachment component 13 can press the outer side of the ear 100 In this case, in combination with FIG. 17, the size of the height of the passing component 17 in the Z direction can be in the range of 4-8 mm, and the projection length of the passing component 17 on the XY plane can be in the range of 8-15 mm, and the projection width can be in the range of 2-5 mm.

In FIG. 13 is a schematic front view of an earpiece structure in accordance with some embodiments of the present disclosure.

The main difference from any of the above embodiments is that, in the present embodiment, the attachment component 13 may be a multi-sectional design to facilitate adjustment of the relative position of the central portion 14 on the entire structure of the earphone 10. With the above arrangement, when the earphone 10 is in the wearing state , it cannot overlap the external auditory canal and the central part 14 can be placed as close as possible to the external auditory canal.

Just for example, as shown in diagram (a) in FIG. 13, the attachment component 13 may include a first attachment section 131a, a second attachment section 132a, and a third attachment section 133a back-to-back in series. The end of the first attachment section 131a farthest from the second attachment section 132a can be attached to the connecting component 12. The third attachment section 133a can be configured to be mainly capable of receiving structural subassemblies such as the core 14, the motherboard 15, etc. .P. Further, the second attachment section 132a can be rotated back with respect to the first attachment section 131a and maintain a distance between them to make the first attachment section 131a and the second attachment section 132a form a U-shaped structure.

Just for example, as shown in diagram (b) in FIG. 13, the attachment component 13 may include a first attachment section 131b, a second attachment section 132b, and a third attachment section 133b connected in series and back to back. The end of the first attachment section 131b farthest from the second attachment section 132b may be attached to the connection component 12. The third attachment section 133b may be configured to be primarily capable of receiving structural subassemblies such as the core 14, the motherboard 15, etc. .P. Additionally, the second attachment section 132b may be bent with respect to the first attachment section 131b so that a gap can be provided between the third attachment section 133b and the first attachment section 131b.

As shown in FIG. 14 and 15, in Fig. 14 is a schematic representation of the construction of an earpiece according to some embodiments of the present disclosure. In FIG. 15 is a schematic representation of the mechanical model of the earphone shown in FIG. 14, in the state of wearing. It should be noted that the YZ plane in FIG. 15 can be considered as the plane in which the user's head is located. Section BC in FIG. 15 can be seen as a hook-shaped component, the CD section of FIG. 15 can be considered as a connecting component, the DEF section in FIG. 15 can be seen as a fastening component and the GH section in FIG. 15 can be considered as a passing component. Additionally, point C in FIG. 15 may correspond to the region in which the upper proximal end of the ear in FIG. 1 (for example, the area indicated by the shaded box C in Fig. 1).

The main difference from any of the above-mentioned embodiments may be that in the present embodiment, as shown in FIG. 14, the length of the hook-shaped component 11 may be relatively short, and the angle between the hook-shaped component 11 and the connecting component 12 may be relatively small. The passing component 17 can be attached to the attachment component 13 and has a gap with the attachment component 13 . The gap may be less than or equal to the thickness of the helix of the ear. With the above arrangement, when the earphone 10 is in the wearing state, the hook-shaped component 11 can cooperate with the connecting component 12 so that the attachment component 13 can be hung on the outside of the user's ear, and the passing component 17 can pass into the ear and/ or into the triangular cavity of the ear to prevent the attachment component 13 from twisting, thereby improving the stability of the earphone 10 from the point of view of wearing. In an embodiment, a penetrating component 17 that may extend into the pinna may be used as an example for illustration.

As shown in FIG. 15, point B can cling to a depression on the back of the ear, and point C can be considered as a fulcrum so that the hook-shaped component 11 can overcome the weight of the attachment component 13, thus preventing the attachment component 13 from falling off the wearer's ear. In this case, the friction between the hook-shaped component 11 and the ear can be increased to improve the stability of the earphone 10 in terms of wearing. Additionally, the point H can be caught on the helix of the ear and the point G can be considered as another fulcrum so that the passing component 17 can overcome the weight of the attachment component 13, thus preventing the attachment component 13 from turning out of the wearer's ear. In this case, the friction between the passing component 17 and the ear can be increased to improve the stability of the earphone 10 in terms of wearing.

Based on the accompanying description mentioned above, different users may have significant differences in age, gender, and genetically determined physical features. As a result, the ears and heads of different users may have different sizes and shapes. Based on any of the embodiments mentioned above, the following improvements can also be made to the respective designs of the earphone 10 so that the earphone 10 can meet the wearing needs of a wider group of users and allow different users to have good comfort and stability when wearing the earphone 10.

In FIG. 18 is a schematic representation of the construction of an earpiece according to some embodiments of the present disclosure.

The main difference from any of the above mentioned embodiments may be that in the present embodiment, in combination with FIG. 18, the free end of the hook-shaped component 11 may also be provided in conjunction with the resilient structure 18. The resilient structure 18 may be made of soft materials, have a certain structural strength, and take into account comfort for the wearer of the earphone 10. Additionally, the resilient structure 18 may be tubular, and may have a removable cuff at the free end of the component 11 in the form of a hook. In such cases, the resilient structure 18 may be used as an accessory to the earpiece 10 to facilitate installation or removal by the user according to actual application requirements. In some embodiments, the user-contact portion of the resilient structure 18 may have a textured structure and/or a matte finish.

Just by way of example, the resilient structure 18 may include a first tubular portion 181 and a second tubular portion 182 that are integrally connected to each other. The first tubular portion 181 and the second tubular portion 182 may be in a bent shape, and the bending angle may reasonably be determined by design according to actual usage requirements. In some embodiments, the resilient structure 18 may have some memory characteristic for at least the position of the bend, so that the user can flexibly adjust the angle of the bend by bending, rotating, or the like. With the above arrangement, during the process in which the user wears the earphone 10, the elastic structure 18 can be hooked on the pinna at the back of the user's ear to prevent the earphone 10 from slipping.

Additionally, both the first tubular portion 181 and the second tubular portion 182 may have a hollow tubular shape, and the first tubular portion 181 and the second tubular portion 182 may or may not be connected to each other. The first tubular portion 181 and the second tubular portion 182 may both have cuffs at the free end of the hook-shaped component 11. In an embodiment, the first tubular part 181 and the second tubular part 182, not connected to each other, can be taken as an example for illustrative description, and in this case, the structural strength of the elastic structure 18 in the bent position can be improved. The length (L1) of the first tubular part 181 and the length (L2) of the second tubular part 182 may not be equal, so the user can select the first tubular part 181 or the second tubular part 182 to have a cuff at the free end of the hook-shaped component 11 according to with the actual requirements for use, thus adjusting the actual overall length of the hook-shaped component 11 and the resilient structure 18. In such cases, the resilient structure 18 may partially or completely cover the battery part. In combination with FIG. 18, in an embodiment, the elastic structure 18 partially covering the battery part can be taken as an example for illustrative description, for example, the elastic structure 18 can cover half of the battery part.

In a long term study, the inventors of the present disclosure found that in combination with FIG. 18, when the difference in length between the length (L1) of the first tubular portion 181 and the length (L2) of the second tubular portion 182 is within 2.0 to 8.0 mm, the elastic structure 18 can be hooked on the auricle on the back of the ear when earpiece 10 is worn by different users. In some embodiments, the difference in length may be in the range of 3.5-7.0 mm.

Based on the above detailed description, after the free end of the hook-shaped component 11 is covered by the elastic structure 18, the outer diameter of the battery part can also be increased. Thus, the actual outer diameter of the free end of the hook-shaped component 11 can be varied so that the opening angle of the outer ear can be adapted to different groups of users, especially for the deaf, thus solving the problems of rotation and eversion of the earpiece 10. By designing the wall thickness of the first tubular part 181 and/or the second tubular part 182, a difference between the elastic structure 18 and the battery part can be formed to achieve a technical effect similar to the progressive wrapping mentioned above.

Referring to FIG. 19 and 20, in Fig. 19 is a schematic perspective view of the construction of the hook-shaped component shown in FIG. 8. In FIG. 20 is a schematic cross-sectional view of the elastic metal wire structure shown in FIG. 19 on a reference plane perpendicular to the direction of passage of the hook-shaped component. It should be noted that the elastic metal wire shown in Fig. 19 can usually be embedded in a hook-shaped component, etc., and is therefore invisible. To simplify the description, the resilient metal wire may be shown as externally visible, for example, a portion of the material covering the resilient metal wire may be removed.

Based on the relevant description above, the hook-shaped component 11, the connecting component 12, the fastening component 13, or other structures may also be provided with an elastic metal wire 115 such as a spring steel wire, a titanium alloy wire, a titanium- nickel alloy, chromium-molybdenum steel wire, and the like, to improve the structural strength of the earpiece 10. Generally, the cross section of the elastic metal wire 115 may be circular.

As shown in FIG. 19 and 20, the elastic metal wire 115 may have a flat sheet structure, so that the elastic metal wire 115 may have different deformability in different directions. The cross section of the elastic metal wire 115 may be a rounded rectangle as shown in diagram (a) in FIG. 20. The cross section of the elastic metal wire 115 may also be an ellipse as shown in diagram (b) in FIG. 20. Just by way of example, the ratio of the long side (or major axis, L3) of the resilient metal wire 115 to the short side (or minor axis, L4) may be in the range of 4:1-6:1, preferably may be 5:1. Additionally, in combination with circuit (c) in FIG. 20, for the rounded rectangle cross-section of elastic metal wire 115 shown in diagram (a) in FIG. 20, the elastic metal wire 115 may also be arc-shaped in the minor axis direction by a process such as stamping, pre-bending, and the like, so that the elastic metal wire 115 can store a certain amount of elastic potential energy. For example, the initial state of the elastic metal wire 115 may be a twisted state, and after straightening, the state of the elastic metal wire 115 may be turned into an arc in the minor axis direction by a punching process, so that the elastic metal wire 115 can maintain a certain internal stress and maintain a straight shape so that become "memory wire metal". When a relatively small external force is applied, the resilient metal wire 115 can return to a twisted state so that the hook-shaped component 11 can attach and cover the user's ear. Just by way of example, the ratio of the arc height (L5) of the elastic metal wire 115 to the long side (L3) may be in the range of 0.1-0.4.

With the above arrangement, under the action of the elastic metal wire 115 with a flat sheet structure, the hook-shaped component 11 has a high strength in the X direction, thus making the hook-shaped component 11 and the fastening component 13 work together to form an elastic ear clip. 100 user. In addition, the hook-shaped component 11 can have high resilience due to bending along the length direction, so that the hook-shaped component 11 can resiliently press against the user's ear or head.

In FIG. 21 is a schematic front view of an earpiece structure in accordance with some embodiments of the present disclosure.

The main difference from any of the above-mentioned embodiments may be that in the present embodiment, as shown in FIG. 21, in order to improve the comfort and stability of the earphone 10 in terms of wearing, the connection position between the connection component 12 and the attachment component 13 can also be adjusted. For example, the connecting component 12 can be connected mainly to the lower edge of the fastening component 13, so that the upper half of the fastening component 13 (indicated by the shaded box in Fig. 21) cannot be limited by the connecting component 12, thus compensating for the rotational moment of the component 13 attachment pointing outward from ear 100.

As shown in FIG. 22 and 23, in Fig. 22 is a schematic representation of the structure of a rotary axle assembly according to an embodiment of the present disclosure. In FIG. 23 is a schematic representation of the construction of the rotary axle assembly shown in FIG. 22, before and after assembly. It should be noted that the rotary axle assembly shown in FIG. 22 may typically be embedded in a connection component or the like. and therefore invisible. To simplify the description, the rotary axle assembly may be shown as externally visible, for example, a portion of the material covering the rotary axle assembly may be removed.

As shown in FIG. 22, the rotary axis mechanism 121 may be positioned to become a curved metal elastic sheet. One end of the rotary axis mechanism 121 can be attached to the hook-shaped component 11, and the other end can be used as part of the connecting component 12. For example, a metal elastic sheet can be combined with the connecting component 12 through a metal insert injection molding process and connected to the component 11 in the form of a hook. With the above arrangement, the metal elastic sheet can be deformed by an external force F so that the hook-shaped component 11 can switch between a first use state (for example, as indicated by the solid line in FIG. 22) and a second use state (for example, as indicated by a dotted line). line in Fig. 22) relative to the fastening component 13. That is, the hook-shaped component 11 can be rotated relative to the attachment component 13.

Just by way of example, in combination with FIG. 23, the metal elastic sheet may include a first deformable portion 1211, a second deformable portion 1212, and an intermediate connecting component 1213. Before the metal elastic sheet is installed, in combination with the diagram (a) in FIG. 23, the first deformable portion 1211 and the second deformable portion 1212 may be bent and attached to the two ends of the intermediate connecting component 1213, respectively. Additionally, after the metal elastic sheet is installed, in combination with the diagram (b) in FIG. 23, the free end of the first deformable portion 1211 away from the intermediate connecting component 1213 and the free end of the second deformable portion 1212 away from the intermediate connecting component 1213 can be directly suspended to form a triangular structure and bent along the length direction of the component. 11 in the form of a hook, or additionally be attached to an elastic metal wire in the component 11 in the form of a hook. With the arrangement mentioned above, the metal elastic sheet can store some elastic potential energy after installation, so that the metal elastic sheet can be deformed by the external force F.

Additionally, before installing the metal elastic sheet, as shown in diagram (a) in FIG. 23, the length of the first deformable portion 1211 and the length of the second deformable portion 1212 may be equal (denoted as L6) and may be longer than the length of the intermediate connecting component 1213 (L7). L3 and L4 can satisfy the following relationship: 0.1 ≤ L7/L6 ≤ 0.6. In some embodiments, the thickness of the metal elastic sheet may be in the range of 0.1-0.8 mm.

As shown in FIG. 24-28, in Fig. 24 is a schematic representation of the construction of a rotating axle assembly according to another embodiment of the present disclosure. In FIG. 25 is an exploded view of the construction of the rotating axle assembly shown in FIG. 24 corresponding to an embodiment of the present disclosure. In FIG. 26 is a schematic cross-sectional view of the structure of the rotary axle assembly shown in FIG. 25. In FIG. 27 is a schematic exploded view of the construction of the rotary axle assembly shown in FIG. 24 corresponding to another embodiment of the present disclosure. In FIG. 28 is a schematic cross-sectional view of the structure of the rotary axle assembly shown in FIG. 27.

Just by way of example, referring to FIG. 24, the rotary axle mechanism 121 may include a first connection socket 1214, a second connection socket 1215, a rotary shaft 1216, and a resilient block 1217. The first connection socket 1214 may be part of the connection component 12. The second connection socket 1215 may be connected to the hook-shaped component 11 ( or with metal elastic wire 115 in it). The second connection socket 1215 may also be used as part of the hook-shaped component 11. Additionally, the first connection socket 1214 and the second connection socket 1215 can be connected by a rotating shaft 1216 so that the first connection socket 1214 and the second connection socket 1215 can rotate relatively and the hook-shaped component 11 can rotate relative to the connection component 12 and the attachment component 13 through the mechanism 121 rotating axle. In combination with FIG. 25-28, the resilient block 1217 may be positioned to be elastically supported between the first connection socket 1214 and the second connection socket 1215 to maintain the hook-shaped component 11 after rotation relative to the attachment component 13. With the above position, when the user wears the earphone 10, the hook-shaped component 11 can be adjusted to better fit the ear 100, thereby improving the comfort and stability of the earphone 10 in terms of wearing.

In some embodiments, in conjunction with FIG. 25 and 26, the second connection socket 1215 can be partially inserted into the first connection socket 1214 so that the rotary shaft 1216 can pass through the first connection socket 1214 and the second connection socket 1215 at the same time to realize rotational interaction. Additionally, the first connection socket 1214 may be configured with an open-ended accommodating cavity 12141 and the resilient assembly 1217 may include a resilient member 12171 and a support and hold member 12172. The elastic element 12171 may be located in the cavity 12141 for placement. One end of the support and hold member 12172 may partially extend into the placement cavity 12141 to support and hold the resilient member 12171. The other end of the support and hold member 12172 may support and hold the second connection socket 1215.

It should be noted that in order to simplify the elastic assembly 1217 to be elastically supported between the first connection socket 1214 and the second connection socket 1215, the elastic member 12171 may be in a compressed state after the rotary axis mechanism 121 is assembled. In such cases, when the user wears the earphone 10, especially when the user's ear 100 is large, the hook-shaped component 11 and the resilient metal wire 115 contained therein may be forced to rotate relative to the attachment component 13 or tend to rotate, thereby causing Thus, the second connection socket 1215 rotate relative to the first connection socket 1214, and causing the support and hold element 12172 to compress the elastic element 12171. Based on Newton's third law, the elastic element 12171 can respond to the support and hold element 12172 to support and hold the second connection socket 1215, thereby causing at least the hook-shaped component 11 to be more closely pressed against the user's ear 100.

In other embodiments, in combination with FIG. 27 and 28, the end of the support and holding member 12172 facing away from the elastic member 12171 may be installed into a spherical structure, a fibrous structure, or the like. The end of the second connection socket 1215 away from the resilient metal wire 115 may be provided with a plurality of grooves distributed along the circumferential direction of the rotating axis 1216. The support and hold member 12172 may be partially clamped in the grooves by the resilient force of the resilient member 12171. In other words, after the hook-shaped component 11 rotates through various angles with respect to the fastening component 13, the supporting and holding member 12172 can be locked in different grooves, respectively, thus achieving the purpose of multi-level adjustment.

In FIG. 29 is a schematic cross-sectional view of an XY plane earpiece structure in accordance with some embodiments of the present disclosure.

In some embodiments, earpiece 10 may be an air conduction earpiece. Taking the air conduction earpiece 10 as an example, a mount component, a core, a motherboard, or other structural parts can be roughly described.

In combination with FIG. 29, the attachment component 13 may include an inner case 131c and an outer case 132c, which may be connected to form a cavity structure for accommodating structural components such as a core 14, a motherboard 15, and the like. It should be noted that when the user wears the earphone 10, the inner case 131c may be in contact mainly with the user's ear 100. Since a large number of electronic components with different sizes and shapes are often integrated on the motherboard 15, the interior of the cavity of the attachment component 13 may become extremely complex, which can easily affect the acoustic performance of the earphone 10. Accordingly, in the embodiment, the section 133c may be located in the component 13 fasteners to separate the core and motherboard 15 and form a cavity 200c independent of the motherboard 15. The cavity 200c may have a relatively smooth inner wall. With the above arrangement, since the cavity 200c can be protected from the influence of the motherboard 15 and the electronic components thereon, the acoustic performance of the earphone 10 can be effectively improved.

Just by way of example, section 133c may be directly bonded to core 14, for example, section 133c and core 14 may be glued together to directly form cavity 200c. The inner wall of the cavity 200c formed by the section 133c and the center portion 14 can avoid sharp structures such as right angles, sharp corners, and the like as much as possible. Additionally, the edges of section 133c and center portion 14 may also be wrapped with a resilient member (not shown), thus forming an interference fit with the inner wall of attachment component 13 to achieve acoustic insulation.

Based on the above description, in the wearing state, the earpiece 10 can be attached to the ear. To increase stability and wearing comfort, earphone 10 can be resiliently clamped on the ear.

Just by way of example, in combination with FIG. 30 in FIG. 30 is a schematic representation of an earpiece construction on the side away from the ear, in accordance with some embodiments of the present disclosure. The hook-shaped component 11 may include an elastic component 112 connected to the connecting component 12 and the battery part 113 located at the free end of the hook-shaped component 11. The battery portion 113 may be used to at least receive the battery 16 of the earphone 10. The battery 16 may be arranged in a columnar shape. To facilitate installation of the battery 16, the battery portion 113 may be made of hard materials such as a hard plastic material. In consideration of wearing comfort, at least the skin-contacting area of the battery portion 113 may be provided with an elastic coating sprayed with an elastic paint or the like. Further, compared with the battery part 113, the elastic component 112 may have a certain resiliency so that the hook-shaped component 11 can be deformed by an external force, thereby creating a displacement with respect to the attachment component 13 to allow the component 11 to hook shape to interact with the attachment component 13, elastically clamping the ear. During the process in which the user wears the earpiece 10, the user may first apply a slight force to cause the hook-shaped component 11 to deviate from the attachment component 13 so that the ear can pass between the attachment component 13 and the hook-shaped component 11. Once an acceptable wearing position has been reached, the user may proceed to allow the earphone 10 to be resiliently fixed. In some embodiments, the wearing position of the earphone 10 on the ear may also be further adjusted according to actual wearing situations.

In some embodiments, the ratio of the length of the elastic component 112 to the length of the hook-shaped component 11 may be greater than or equal to 48%, and preferably may be greater than or equal to 60%. The radial dimension in any cross-sectional direction of the elastic component 112 may be less than or equal to 5 mm, and preferably may be less than or equal to 4 mm. In such cases, the elastic component 112 may be positioned in a thin structure so that the elastic component 112 can have excellent resilience, thereby causing the earphone 10 to resiliently and sufficiently well against the ear. In addition, the cross-sectional area of the elastic component 112 can be as small as possible so that an appropriate space can be left for wearing myopia glasses, farsightedness glasses, or smart glasses such as AR, VR, MR, etc., considering thus other wearing needs of the user. Additionally, since the hook-shaped component 11 is hung primarily between the wearer's head and ear, the cross section of the elastic component 112 may be circular or elliptical, so that the elastic component 112 can make at least good contact with the ear and/or head and could be as close as possible to the border between the ear and head, thus increasing the stability of wearing.

In some embodiments, the cross-sectional area of at least a portion of the battery portion 113 may be larger than the maximum cross-sectional area of the elastic component 112, such that the battery portion 113 may be provided with a battery 16 having a relatively large capacity to increase the durability of the earpiece. 10. In some embodiments, the battery portion 113 may be arranged in a columnar shape and the ratio of length to outer diameter may be less than or equal to 6.

Based on the above related description, for the hook-shaped component 11, since the elastic component 112 and the battery portion 113 have different uses, the cross-sectional areas of the elastic component 112 and the battery portion 113 may differ greatly. Accordingly, the hook-shaped component 11 may further comprise a transition piece 114 between the elastic component 112 and the battery part 113. the elastic component 112 to the battery portion 113. In such cases, not only can the external uniformity of the hook-shaped component 11 be increased, but also the hook-shaped component 11 can make good contact with the ear and/or the head. Further, since there are usually a plurality of bulges on the back of the ear, for example, ear bulges corresponding to the pinna and ear cavity bulges corresponding to the ear cavity, and the ear bulge is generally closer to the earlobe than the ear bulge, so that the transitional the piece 114 can be made with a profile reduction corresponding to the posterior contour of the ear on the side facing the ear, thus helping the hook-shaped component 11 to form effective contact with the posterior side of the ear. For example, the profile reduction may contact the camber of the ear cavity. In short, the bulges on the back of the ear can be bypassed by a drop profile to prevent the bulges on the back of the ear from being pushed up by the hook component 11 and to make good contact of the hook component 11 with the ear. In some embodiments, for the transition piece 114, on a reference cross section mounted along the central axis of the battery portion 113, the radius of curvature of the profile reduction may be less than the radius of curvature of the other side of the transition piece 114 facing away from the ear. That is, the degree of curvature of the depression profile of the depression can be larger so that the hook-shaped component 11 can adapt to different bumps and depressions on the back of the ear. Other regions of the transition piece 114 can mainly be configured to close the gap between the elastic component 112 and the battery portion 113 as quickly as possible, thus increasing the external uniformity of the hook-shaped component 11.

It is well known that in the fields of medicine, anatomy, etc. three main sections can be defined containing the sagittal plane, coronal plane, plane and horizontal plane of the human body, respectively, and three main axes can be defined containing the sagittal axis, coronal axis and vertical axis. As used here, the sagittal plane may refer to a section perpendicular to the ground along the outer and rear directions of the body, which divides the human body into left and right parts. The coronal plane may refer to a section perpendicular to the ground along the left and right directions of the body, which divides the human body into an outer and a rear portion. The horizontal plane may refer to a section parallel to the ground in the up and down direction of the body, which divides the human body into upper and lower parts. Accordingly, the sagittal axis may refer to an axis passing through the coronal plane perpendicular to the outward and posterior direction of the body. The coronal axis may refer to an axis passing through the sagittal plane perpendicular to the left and right directions of the body. The vertical axis may refer to an axis extending vertically through a horizontal plane along the up and down direction of the body.

Based on the relevant description above, the weight and weight distribution of the earphone 10 may affect the wearing stability to some extent. The weight of the hook-shaped component 11 may be primarily concentrated in the battery portion 113. In some embodiments, the weight ratio for the ratio of the total weight of the attachment component 13 to the total weight of the battery portion 113 may be less than or equal to 4. In FIG. 31 is a schematic representation of an ear-side earpiece design according to some embodiments of the present disclosure. As shown in FIG. 31, when worn and viewed from the side of the attachment component 13 away from the ear, the battery portion 113 may be located at least partially on the side of the first support plane (denoted as RP1) directly in front of the user. The first reference plane may pass through the point of contact (denoted as CP0) between the attachment component 13 and the ear and may be parallel to the coronal plane. In such cases, it may be preferable to reduce the moment of the center of gravity of the battery part 113 relative to, for example, the upper ear root, in order to prevent the battery part 113 from turning due to excessive weight and/or excessive moment in the wearing state, thus improving the wearing stability. Additionally, the battery portion 113 may also intersect with the second reference plane (denoted as RP2). The second reference plane may pass through the first position point (denoted as CP1) of the elastic component 112 closest to the crown of the wearer along the vertical axis and may be parallel to the coronal plane. Additionally, the inner edge of the hook-shaped component 11 or the ear-facing connecting component 12 may have a second position point (denoted as CP2) furthest from the contact point between the attachment component 13 and the ear. The battery portion 113 may further intersect with a third reference plane (labeled RP3). The third reference plane may pass through the second position point and be parallel to the coronal plane. The second position point may be on the connecting component 12 or on the boundary between the hook-shaped component 11 and the connecting component 12a, and may be shown by way of example in the following description. In such cases, it may be preferable for the center of gravity of the battery portion 113 and the center of gravity of the attachment component 13 to be located on the same side of the first support plane, thereby improving the wearing stability.

For ease of description and connection with FIG. 30, the attachment component 13 may have a thickness direction, a length direction, and a height direction orthogonal to each other, which may be successively denoted as "X", "Y", and "Z", respectively. The thickness direction can be defined as the direction in which the attachment component 13 is near or away from the ear in the wearing state. The length direction can be defined as the direction in which the attachment component 13 is near or away from the outside of the user in the wearing state. The height direction can be defined as the direction in which the fastening component 13 is near or away from the top of the head of the wearer. In the wearing state, the height direction may be parallel to the vertical axis. The thickness direction and the length direction may be parallel to the horizontal plane.

In FIG. 32 is a schematic representation of a user's crown-side earpiece design, in accordance with some embodiments of the present disclosure. In some embodiments, as shown in FIG. 30-32, an orthographic projection of a section of the hook-shaped component 11 near the connecting component 12 onto a reference plane perpendicular to the thickness direction (for example, the plane in which YZ is located), and the orthographic projection of the attachment component 13 onto the reference plane mentioned above may partially overlap. . The hook-shaped section of the component 11 near the coupling component 12 may be a resilient component 112 with a much greater resilience than the battery portion 113, or may be a rigid structure located between the battery portion 113 and the coupling component 12 and having the same resiliency. deformation as the battery part 113. In such cases, the attachment part 13 and the hook-shaped part 11 can not only resiliently fix the ear on the outside of the ear and on the back of the ear, but the clamping force can manifest itself mainly as a compressive stress, thus increasing stability and wearing comfort. Further, it may be preferable for the center of gravity of the battery portion 113 to be located close to the user's face, thereby increasing the wearing stability. In other embodiments, such as the earpiece shown in FIG. 4 and 5, or the earpiece shown in FIG. 9 and 10, the orthographic projection of the hook-shaped component 11 on the reference plane perpendicular to the thickness direction and the orthographic projection of the attachment component 13 on the reference plane mentioned above may also be spaced apart from each other.

Just by way of example, in combination with FIG. 30 and FIG. 31, the orthographic projection of the elastic component 112 on the reference plane and the orthogonal projection of the attachment component 13 on the reference plane may partially overlap, and the orthogonal projection of the battery part 113 on the reference plane and the orthogonal projection of the attachment component 13 on the reference plane may be spaced from each other. In such cases, it may be preferable for the attachment component 13 and the hook-shaped component 11 to resiliently fix the ear from the outer and rear directions.

Additionally, the radius of curvature of the edge of the orthogonal projection of the elastic component 112 and the transition piece 114 onto the support plane facing the ear in the direction away from the battery part 113, from the connecting component 12 to the hook-shaped component 11, may first gradually increase and then gradually decrease. Gradual increase in the radius of curvature of the edge may cause the hook-shaped component 11 to conform to the contour shape of the back of the ear. Additionally, gradually decreasing the radius of curvature of the edge can increase the degree of bending of the hook-shaped component 11 proximate the end of the battery portion 113 so that the battery portion 113 can approach the fastening component 13, which makes it easier for the hook-shaped component 11 to hook on the back of the ear to increase wearing stability. Further, the radius of curvature of the edge may gradually increase and then gradually decrease continuously, or first increase gradually and then gradually decrease stepwise, or combine the two methods mentioned above. For example, an edge may contain a plurality of regions. Each section may have a radius of curvature, and in the direction from the connecting component 12 to the battery portion 113, the radii of curvature of the plurality of sections may first gradually increase and then gradually decrease, which may also be referred to as stepping. To improve wearing stability, the section with the largest radius of curvature of the plurality of sections may be partially superimposed on the orthogonal projection of the attachment component 13 onto the reference plane.

Just for example, the edge of the orthogonal projection of the elastic component 112 or adapter 114 onto the support plane in the direction of the ear may have a first portion (indicated as 11A). The start point of the first section (denoted as CP3) may be the connection point between the elastic component 112 and the connecting component 12, and the end point (for example, CP1) may be the highest point of the elastic component along the height direction when worn. The radius of curvature of the first section can be in the range of 8-10 mm. The starting point of the first section may coincide with the position of the second point or be further from the connecting component 12 than the second point, which can be illustrated in the following description. Additionally, the edge of the elastic component 112 or the adapter 114 may also have a second section (indicated as 11B). The start point of the second section may be the end point of the first section. The distance between the end point of the second section (indicated as CP4) and the highest point in the length direction may be in the range of 8-11 mm, and the distance between the end point of the second section and the highest point in the height direction may be in the range of 7-10 mm. The radius of curvature of the second section can be in the range of 9-12 mm. Additionally, the edge of the elastic component 112 or transition piece 114 may also have a third portion (indicated as 11C). The start point of the third section may be the end of the second section. The distance between the end point of the third section (indicated as CP5) in the length direction and the highest point can be in the range of 9-12mm, and the distance between the end point of the third section and the highest point in the height direction can be in the range of 19-21mm. The radius of curvature of the third section can be in the range of 29-36 mm. Additionally, the edge of the elastic component 112 or transition piece 114 may also have a fourth portion (indicated as 11D). The start point of the fourth section may be the end of the third section. The distance between the end point of the fourth section (indicated as CP6) in the length direction and the highest point may be in the range of 7-10 mm, and the distance between the end point of the fourth section and the highest point in the height direction may be in the range of 25-32 mm. The radius of curvature of the fourth section can be in the range of 19-25 mm. Additionally, the edge of the elastic component 112 or adapter 114 may also have a fifth portion (indicated as 11E). The start point of the fifth section may be the end of the fourth section. The distance between the end point of the fifth section (indicated as CP7) and the highest point in the length direction may be less than or equal to 2 mm, and the distance between the end point of the fifth section and the highest point in the height direction may be in the range of 30-38 mm. The radius of curvature of the fifth section can be in the range of 9-13 mm. The fifth section may be configured to lower the profile and the radius of curvature of the lowering of the profile may also be smaller than the radius of curvature of the fourth section.

It should be noted that the end point of the second section, that is, the start point of the third section, may be the intersection point of the orthogonal projection of the elastic component 112 on the reference plane and the upper edge of the attachment component 13. Similarly, the end point of the third section, that is, the start point of the fourth section, may be another intersection point between the orthogonal projection of the elastic component 112 on the reference plane and the lower edge of the attachment component 13. In such cases, the orthogonal projection of the third portion onto the reference plane can completely fall on the attachment component 13 . In FIG. 42 is a schematic representation of an earpiece construction on the side away from the ear, in accordance with some embodiments of the present disclosure. Further, as shown in FIG. 42, the boundary between the elastic component 112 and the transition piece 114 may be located in the fourth region. Accordingly, the starting point of the section of the hook component 11 close to the connection component 12 may be the boundary between the hook component 11 and the connection component 12. The end point of the section of the hook component 11 close to the connection component 12 may be another point of intersection between the orthogonal projection of the elastic component 112 on the reference plane and the lower edge of the attachment component 13.

In FIG. 33 is a schematic exploded view of an earphone construction in accordance with some embodiments of the present disclosure. As shown in FIG. 33, the hook-shaped component 11 may include an elastic metal wire 115, a battery compartment 1161, and a wire 117. One end of the elastic metal wire 115 may be connected to the connecting component 12, and the other end may be connected to the battery compartment 1161. The wire 117 may extend from the battery case 1161 to the connecting component 12 and to the fastening component 13 together with the elastic metal wire 115. The elastic metal wire 115 can make the hook-shaped component 11 have a certain elastic deformability. The battery compartment 1161 may be used at least to accommodate the battery 16. The wire 117 may be used at least to make an electrical connection between the battery compartment 1161 and the electronic components in the attachment component 13. Additionally, the hook-shaped component 11 may also comprise a resilient coating 118 such as silica gel. The resilient cover 118 may cover at least the resilient metal wire 115 and the wire 117 to enhance appearance and wearing comfort. The cross-sectional area of the battery compartment 1161 may be larger than the cross-sectional area of the elastic component 112 formed by the elastic metal wire 115 and the elastic cover 118, preferably more than the sum of the cross-sectional areas of the elastic metal wire 115, the wire 117 and the elastic cover 118.

Additionally, the hook-shaped component 11 may also include an adapter 1162 connected to the elastic metal wire 115 so that the elastic metal wire 115 can be connected to the battery compartment 1161 through the adapter 1162. For example, the adapter 1162 and the elastic metal wire 115 can be formed through a metal insert molding process. Battery compartment 1161 may be located in an open-ended cylindrical structure to facilitate installation of structural members such as battery 16. Adapter element 1162 may be fastened with an open-ended battery compartment 1161 fastener. In other embodiments, adapter element 1162 and battery compartment 1161 may be formed together. The end of the battery compartment 1161 farthest from the adapter 1162 may be exposed and sealed with a protective panel. The cross-sectional area of the transition element 1162 may gradually increase in a direction along the length of the hook-shaped component 11 and away from the connecting component 12. Accordingly, the elastic coating 118 may also cover the transition element 1162. A profile depression may be formed on the transition element 1162 and appear through the elastic coating 118. In other words, the transition element 1162 can be configured to lower the profile corresponding to the rear contour of the ear on the side facing the ear. On a reference plane mounted along the central axis of the battery compartment 1161, the radius of curvature of the profile depression may be less than the radius of curvature of the other side of the adapter 1162 facing away from the ear. Thus, the degree of bending of the depression profile can be greater so that the adapter 114 can avoid the bulge on the back of the ear.

Based on the above related description, as shown in FIG. 42, for the hook-shaped component 11, the elastic component 112 may correspond to the part of the elastic metal wire 115 facing the connecting component 12 and the adapter 1162, and mainly comprise the elastic coating 118, the elastic metal wire 115, and the wire 117 coated with the elastic coating 118 The battery part 113 may correspond to the battery box 1161 and mainly contain the battery box 1161 and the battery 16 therein. The transition piece 114 may correspond to the transition element 1162 and mainly comprise the elastic coating 118 and the transition element 1162 covered with the elastic coating 118. In other words, the length of the elastic component 112 may be the length of the part of the elastic metal wire 115 facing from the connecting component 12 and element 1162 and covered with an elastic coating 118.

Additionally, earpiece 10 may also include a processing circuit and a detection element 1163 coupled to the processing circuit. The detection element 1163 can be used to detect if the hook-shaped component 11 is suspended between the back of the ear and the head. The processing circuit may be used to determine whether the earphone 10 is in a wearing state according to the detection result of the detection element 1163. The processing circuitry may be integrated on the motherboard 15. The detection element 1163 may be a sensor element located on the hook-shaped component 11 (eg, on the transition element 1162 or on the battery compartment 1161) facing the ear. The sensor element may include a capacitive sensor, an inductive sensor, a resistance sensor, or the like. or any combination of them. Just by way of example, the detection element 1163 may be a capacitive sensing element and may be located in the profile drop of the transition element 1162.

In some application scenarios, when the detection element 1163 detects that the earphone 10 is in the wearing state, the processing circuit may generate a first control signal to control the earphone 10 to switch to the playback state. When the detection element 1163 does not detect that the earphone 10 is in the wearing state, the processing circuit may generate a second control signal to control the earphone 10 to switch to the pause state. In such cases, not only can the power of the earphone 10 be saved, but also the interactivity of the earphone 10 can be improved.

In other application scenarios, earpiece 10 may include a first earpiece and a second earpiece that are in pair and connected by means of communication. For example, the first earpiece and the second earpiece may be worn on the user's left and right ears, respectively, and the first earpiece or the second earpiece each may be configured with a detection element 1163. The processing circuit can determine and select one of the first earphone and the second earphone as the main earphone, which is connected by means of communication with the audio source device (such as a mobile phone, tablet, smart watch, etc.) according to the detection results of the detection element 1163 in first ear and second ear. When the user uses two earphones at the same time, one of the earphones can be selected as the main earphone, which will be com- municated with the audio source device according to the predetermined rule, and the other one can be selected as the auxiliary earphone, which will be com- municated with the main earphone. When the user only uses one of these two earphones, the used earphone can be considered as the main earphone.

As shown in FIG. 30 and 32, the ear side of the attachment component 13 may comprise a first region 13A and a second region 13B. The second region 13B may be further from the connecting component 12 than the first region 13A. That is, the second region 13B may be located at the free end of the fastening component 13 farthest from the connecting component 12. Based on the above description, an orthogonal projection of the section (e.g., elastic component 112) of the hook-shaped component 11 proximate to the connecting component 12 along the thickness direction described above may partially overlap the second region 13B. Further, the first region 13A may be provided with a sound hole 1311. The second region 13B may be convex in the direction of the ear compared to the first region 13A and be used to contact the ear, thereby allowing the sound hole 1311 in the wearing state to be at a distance from the ear. . In short, the free end of the attachment component 13 may be in the form of a convex hull structure. Because the center portion 14 can generate sound transmitted to the ear through the sound hole 1311, the convex shell structure can prevent the ear from blocking the sound hole 1311 and cause the sound generated by the center portion 14 to be attenuated or even not output at all. Just by way of example, the maximum protrusion height of the second region 13B with respect to the first region 13A in the thickness direction may be greater than or equal to 1 mm, and a smooth transition can be made between the two regions. It should be noted that if the distance away from the ear in the wearing state exists only for the sound hole 1311, the second region 13B protruding in the ear direction compared to the first region 13A may also be another region of the attachment component 13, for example, the region between the sound hole hole 1311 and the connecting component 12. Additionally, since the ear cavity and the auricle have a certain depth and are connected to the ear hole, the orthogonal projection of the resonator hole 1311 on the ear along the thickness direction can at least partially fall into the ear cavity and/or ear sink. Just by way of example, the attachment component 13 may be located on the side of the ear canal near the top of the wearer and contact the antihelix. Orthogonal projection of the resonator hole 1311 on the ear along the thickness direction may at least partially fall on the pinna.

In FIG. 47 is a schematic cross-sectional view of an earpiece according to some embodiments of the present disclosure. Additionally, as shown in FIG. 30 and 47, the attachment component 13 may form an outer cavity 200 and a rear cavity 300 of the earpiece 10 on opposite sides of the center portion 14, respectively. The sound hole 1311 may be in communication with the outer cavity 200 and output sound to the ear. The fastening component 13 may also be provided with a pressure relief port 1312 corresponding to the posterior cavity 300. The pressure relief port 1312 may be located farther from the ear canal than the resonator port 1311. The pressure relief port 1312 may allow air to freely enter and exit the posterior cavity 300 so that the change in air pressure in the outer cavity 200 is not blocked as much as possible by the rear cavity 300, thus improving the sound quality of the sound output to the ear through the sound hole 1311. In addition, since the steps of outputting sound to and from the earpiece 10 through the sound hole 1311 and the pressure relief hole 1312 are opposite, the steps can be inverted and mutually canceled in the far field from the ear, that is, an "acoustic dipole" can be formed to reduce sound leakage. The angle between the line between the center of the pressure relief hole 1312 and the center of the resonator hole 1313 and the thickness direction may be from 0° to 50°. Preferably, the angle may be between 0° and 40°. Additionally, the mounting component 13 may also be provided with a sound control hole 1313 associated with the rear cavity 300. The sound control hole 1313 can be used to eliminate the high pressure region of the sound field in the rear cavity 300 so that the standing wavelength in the rear cavity 300 can be shortened. , thereby raising the resonant frequency of the sound output to the outside from the earphone 10 through the pressure relief hole 1312, for example, above 4 kHz to reduce sound leakage. Preferably, the sound adjustment hole 1313 and the pressure relief hole 1312 may be located on opposite sides of the central portion 14, respectively. For example, the sound control hole 1313 and the pressure relief hole 1312 may be located opposite each other in the height direction to eliminate the high pressure area of the sound field in the rear cavity 300 as much as possible. The open direction of the pressure relief hole 1312 may face the crown of the user. For example, the angle between the open direction and the vertical axis may be between 0° and 10° to allow the pressure relief hole 1312 to be further away from the ear canal than the sound control hole 1313, thereby making it difficult for the user to hear the sound output outside the earphone 10 through a pressure release hole 1312 to reduce sound leakage. The pressure relief hole 1312 may have a first center in the length direction. The sound control hole 1313 may have a second center in the length direction, and the second center may be further from the center of the sound hole 1311 in the length direction than the first center, so as to increase the distance between the sound control hole 1313 and the sound hole 1311 as much as possible, thus weakening the cancellation due to the phase opposition of the sound outputted to the outside from the earphone 10 through the sound control hole 1313 and the sound transmitted to the ear through the sound hole 1311. In other words, the orthogonal projection of the sound control hole 1313 in the height direction and the orthogonal projection of the second region 13B in the thickness direction may at least partially intersect with each other so that it is as far as possible from the resonator hole 1311.

Briefly, when the user wears the earpiece 10, the user mainly hears the sound transmitted to the ear hole through the sound hole 1311. creating a sound that has the quality of a sound with deep bass and treble penetration as much as possible. Therefore, the ratio of the size of the outlet end of the pressure relief hole 1312 in the length direction (for example, as indicated by L1 in Fig. 32) to the size of the end of the rear cavity 300 near the pressure relief hole 1312 in the length direction (for example, as indicated by L2 in Fig. 45) can be greater than or equal to 0.9. The dimension ratios between dimensions in the thickness direction may be the same or similar. Therefore, the rear cavity 300 can be connected as much as possible to the outlet of the earphone 10 to minimize blockage between the rear cavity 300 and the outer cavity 200. In addition, the resonant frequency of the sound output outside the earphone 10 through the pressure relief hole 1312 can be shifted as far as possible, to the high frequency region.

It should be noted that since the structural parts such as the center body 131 have a certain thickness, holes such as the sound hole 1311, the pressure relief hole 1312 or the sound adjustment hole 1313 located on the center body 131 may have a certain depth. Thus, with respect to the accommodating cavity formed by the center body 131, the opening described in the present disclosure may have an inlet end located near the accommodating cavity and an outlet end away from the accommodating cavity. The section 137 and the connecting holes located in the section 137 described hereinafter may be similar to the illustration mentioned above, and this is not repeated here.

As shown in FIG. 30-32, in the natural state and when viewed from the side of the earphone 10 facing the crown of the wearer in the wearing state, for example, when viewed along the height direction, the attachment component 13 can be spaced at least from a section of the component 11 in the form hook located near the connecting component 12 in the thickness direction, and the connecting component 12 may be arranged in the form of an arc and be connected between the fastening component 13 and the hook-shaped component 11. In such cases, the connecting component 12 can cause the attachment component 13 located on the outer side of the ear and the hook-shaped component 11 located on the back of the ear to always be spaced from each other, at least in the section proximate to the connecting component. 12 in the thickness direction so that the earpiece 10, when worn, can bypass the upper ear root and adjacent tissues, thus preventing the earpiece 10 from excessively pinching the curl near the upper ear root causing discomfort.

Just by way of example, the connecting component 12 and the attachment component 13 may be connected along the length direction. At least part of the connecting component 12 can extend far from the free end of the attachment component 13 along the length direction and the height direction simultaneously, in the direction from one end connecting the attachment component 13 to the other end connecting the hook-shaped component 11 with a bulge in the direction of the face of the user as a whole, so that the difference in height between the hook-shaped component 11 and the attachment component 13 in the height direction can be eliminated by a smooth transition. In some embodiments, at least a portion of the connection component 12 may also extend further from the free end of the attachment component 13 along the length direction in the direction from one end connecting the attachment component 13 to the other end connecting the hook-shaped component 11. In addition, the connecting component 12 and/or the section of the hook-shaped component 11 located near the connecting component 12 may also extend away from the free end of the fastening component 13 in the thickness direction, so that the fastening component 13 and the section of the hook-shaped component 11 located near the connecting component 12 could be spaced in the thickness direction. In FIG. 37 is a schematic representation of an earpiece, in accordance with some embodiments of the present disclosure, on the side away from the ear. In FIG. 38 is a schematic representation of an earphone structure from the top of a user's head, in accordance with some embodiments of the present disclosure. In some embodiments, as shown in FIG. 37 and 38, the connecting component 12 can extend further towards the free end of the fastening component 13 along the length direction and extend farther from the free end of the fastening component 13 along the height direction at the same time, in the direction from one end connecting the fastening component 13 to the other end connecting component 11 in the form of a hook. That is, the connecting component 12 can form a structure extending in a circle in three-dimensional space. In FIG. 43 is a schematic diagram of a wearer's crown-side earpiece design in accordance with some embodiments of the present disclosure. In other embodiments, as shown in FIG. 42 and 43, the connecting component 12 can only extend away from the free end of the fastening component 13 along the length direction and the height direction simultaneously, in the direction from one end of the fastening connecting component 13 to the other end connecting the hook-shaped component 11. That is, the first half of the structure passing in a circle can be formed. The section of the hook-shaped component 11 proximate the connecting component 12 (e.g., the elastic component 112) can continue to extend near the free end of the fastening component 13 along the length direction in the direction away from the connecting component 12 and extend from the free end of the fastening component 13 along the height direction at the same time. That is, the second half of the circular structure can be formed, thereby allowing interaction with the first half of the circular structure to form the circular structure in three-dimensional space. In other embodiments, the circumferential structure may have only a portion of the first half or a portion of the second half.

In some embodiments, the section of the hook-shaped component 11 proximate the connecting component 12 (eg, the elastic component 112), the edge of the connecting component 12 or ear attachment component 13 may be arranged in the form of an annular arc. In the bearing direction, which passes through the inflection point of the annular arc (for example, CP2) and parallel to the length direction, the minimum width W1 of the annular arc along the thickness direction at a location 3 mm from the annular inflection point can be in the range of 1-5 mm .

In other embodiments, in the thickness direction, the minimum distance between the section (e.g., elastic component 112) of the hook-shaped component 11 proximate the connecting component 12 and the attachment component 13 may be greater than 0 and less than or equal to 5 mm.

In other embodiments, in the thickness direction, the distance W2 between the center of the resonator hole 1311 (denoted as O0) and the section of the hook-shaped component 11 proximal to the connecting component 12 (e.g., the elastic component 112) may be between 3 mm and 6 mm.

In other embodiments, in the thickness direction, the distance W3 between the second region 13B and the section of the hook-shaped component 11 proximate the connecting component 12 (e.g., the elastic component 112) may be between 1 mm and 5 mm.

In FIG. 34 is a schematic exploded view of an earphone construction in accordance with some embodiments of the present disclosure. As shown in FIG. 34 and 32, the fixing part 13 may include a body body 131 coupled to the connecting part 12. Structural components such as the body body 14 and the motherboard 15 can be fixed in the housing space of the body body 131. Just by way of example, the center body 131 may include a first body 1314 and a second body 1315 that are opposite each other in the thickness direction. The first housing 1314 may be closer to the ear than the second housing 1315. In some embodiments, the first housing 1314 and the second housing 1315 may also be located opposite each other in the vibration direction of the central portion 14. The vibration direction may be parallel to the thickness direction. Namely, the center portion 14 may be secured on the side of the first body 1314 facing the second body 1315 to form the outer cavity 200. The second body 1315 may be fastened to the first body 1314 and surround the center body 14 to form the rear cavity 300. Accordingly, the sound hole 1311 may be located on the first housing 1314, for example, on the ear side of the first housing 1314. The pressure relief hole 1312 and the sound control hole 1313 may be located on opposite sides of the second body 1315, respectively. For example, the pressure relief hole 1312 and the sound control hole 1313 may be located opposite each other in the height direction. Based on the above description, the ratio of the size of the outlet end of the pressure relief hole 1312 in the length direction to the size of the second body 1315 in the length direction may be greater than or equal to 0.55. Preferably, the ratio may be between 0.8 and 1.0 so that the back cavity 300 communicates as much as possible with the outside of the earpiece 10, while taking into account the structural strength of the second housing 1315.

In some embodiments, as shown in FIG. 34, the connecting component 12 may include a third housing 122 attached to the end of the elastic metal wire 115 away from the battery compartment 1161. For example, the third housing 122 and the end of the elastic metal wire 115 may be formed by a metal insert injection molding process. The size of the second body 1315 or the third body 122 in the length direction may be smaller than the first body 1314. The size of the second body 1315 may be much larger than the size of the third body 122. The second body 1315 may be fastened with a fastener to the first body 1314 and orthogonal projection of the second body 1315 in the thickness direction may partially overlap with the orthogonal projection of the first body 1314. The third body 122 may be fastened with a fastener with a part of the first body 1314 located on the periphery of the orthogonal projection of the second body 1315. In short, the third body 122 may be fastened with a fastener on one and the same side of the second body 1315 and the first body 1314. In addition, a large part of the first body 1314 can be used as the body of the attachment component 13 and a small part can be used as the body of the connecting component 12. In a particular embodiment, the ratio of the maximum size of the third body 122 in the length direction to the size of the second body 1315 in the length direction may be less than or equal to 0.4.

Based on the above related description, as shown in FIG. 37 and 38, in the natural state and from the side of the earphone 10 facing the crown of the wearer in the wearing state, for example, when viewed along the height direction, the first body 1314 and the elastic metal wire 115 can be independently spaced in the thickness direction. The third housing 122 may be arranged in an arc shape and connect the housing 1314 and the resilient metal wire 115, thus allowing the attachment component 13 located on the outside of the ear and the hook-shaped component 11 located on the back of the ear to be spaced apart. apart from each other in the thickness direction, at least in the section proximal to the connecting component 12. Additionally, the third body 122 may first extend from the second body 1315 along the length direction and the height direction simultaneously, in the direction from one end connected to the first body 1314 to the other end connected to the resilient metal wire 115, and then extend near the second body 1315 along the length direction and further extend from the second body 1315 along the height direction, thus making it possible to eliminate the height difference between the hook-shaped component 11 and the 13 fastening in the direction of height through a smooth transition. In such cases, the second position point may fall on the connecting component 12 and the starting point of the first section may be further from the connecting component 12 than the second position point. The portion of the first body 1314 that is used as the body of the connecting component 12 may have the same or similar trend for the third body 122. Thus, the connecting component 12 can form a ring structure in three dimensions. As shown in FIG. 38, a separation line (indicated as PL1) may be provided between the third body 122 and the first body 1314. The third body 122 and the first body 1314 may be separately molded and then fastened with a fastener to solve the problem that the body of the connecting component 12 is difficult to mold due to its ring structure in three dimensions, thus increasing the economic efficiency of production and reducing production costs.

In FIG. 41 is a schematic exploded view of an earphone construction in accordance with some embodiments of the present disclosure. In some embodiments, in conjunction with FIG. 41, the third body 122 and the first body 1314 may be integrally molded, and a plug-in connection hole may also be molded. Additionally, the connecting component 12 may also contain a connecting element 123 for plug-in connection. One end of the push-fit connector 123 can be connected to the hook-shaped component 11, and the other end can be inserted and fixed in the push-fit hole, thereby realizing the connection between the hook-shaped component 11 and the connecting component 12. Namely , the end of the plug-in hole 123 farthest from the third housing 122 may be connected (for example, press-fitted in the process of forming a metal insert) with the other end of the elastic metal wire 115 farthest from the battery compartment 1161. Additionally, the connecting component 12 may also include a blocking element 124. The plug-in connection part 123 inserted into the third body 122 can be interlocked with the third body 122 by the locking element 124, which is convenient for assembly and increases the reliability of the block. In some embodiments, the implementation of the blocking element 1224 may be a wedge, made in the form of a column or sheet.

Based on the corresponding description above, as shown in FIG. 42 and FIG. 43, the third body 122 may extend from the second body 1315 along the length direction and the height direction at the same time in the direction from one end connecting the first body 1314 to the other end connecting the plug-in connector 123. The section of elastic metal wire 115 facing the plug-in connector 123, located close to the plug-in connector 123, can further extend near the second body 1315 along the length direction and simultaneously exit the second body 1315 along the height direction away from the connector 123 plug-in connection. Accordingly, the third body 122 may also extend simultaneously from the second body 1315 in the thickness direction. The section of elastic metal wire 115 facing the plug connection 123 and adjacent to the plug connection 123 may continue to extend from the second body 1315 along the thickness direction. In such cases, the position of the second point may fall on the boundary between the hook-shaped component 11 and the connecting component 12, and the starting point of the first section may coincide with the position of the second position point. The part of the first body 1314 that is used as the body of the connector 12 and the part of the plug-in connector 123 facing the third body 122 may have the same or similar trend for the third body 122. Thus, the connector 12 may allow only the first half of the annular structure to be formed, and the hook-shaped component 11 may continue to form the second half of the annular structure, thus cooperating to form the annular structure in 3D. Therefore, as shown in FIG. 42, a separation line (denoted as PL2) may be provided between the push-in connector 123 and the third housing 122 (and/or the first housing 1314). The plug-in connector 123 and the third body 122 (and/or the first body 1314) can be separately molded and then inserted to solve the problem that the body of the connector 12 is difficult to extrude due to the annular structure in three-dimensional space, thereby increasing economic efficiency of production and reducing the cost of production.

It should be noted that the housings of the connecting component 12 and the fastening component 13 can also be separated according to other methods of separation. For example, the body of the attachment component 13 may be divided into two bodies with substantially equal orthogonal projection areas along the thickness direction. The housing of the connecting component 12 may be divided into two housings along the inflection point, or may contain only one housing, and the other housing may be formed by the elastic metal wire 115, and the housings may be assembled accordingly.

Based on the corresponding description above, as shown in FIG. 34 and 32, the attachment component 13 may need to be in contact with the outer side of the ear, in particular, the free end of the attachment component 13 may additionally need to form a contact point (eg CP0) with the anti-helix of the ear. Thus, the ear side of the main body 131 may be provided with a flexible closure structure 132 that at least does not cover the sound hole 1311. For example, the flexible closure structure 132 may be provided with a through hole corresponding to the sound hole 1311. The Shore hardness of the flexible closure structure 132 may be less than the Shore hardness of the center body 131 so that the attachment component 13 can contact the ear through the flexible closure structure 132. That is, the flexible closure structure 132 can be elastically supported between the main body 131 and ear, thus improving wearing comfort. Further, based on the method of dividing and splicing the bodies of the connection component 12 and the attachment component 13, in order to improve the appearance of the earphone 10, the flexible cover structure 132 can be directly attached to the first body 1314, the third body 122, and the like. through an injection molding process. In some embodiments, flexible closure structure 132 may cover first housing 1314, third housing 122, and the like. bonding method. Since the hook-shaped component 11 can also be provided with a resilient cover 118, the resilient cover 118 and the flexible closure structure 132 can also be molded in one injection molding process or molded separately by two injection molding processes. The materials used in both processes may be the same or different. It should be noted that without specific descriptions, the present application mainly describes the part in which the flexible cover structure 132 and the elastic cover 118 are in contact with the wearer's skin.

In some embodiments, the flexible closure structure 132 may at least partially be located on the side of the fastening component 13 away from the free end of the connecting component 12 and facing the ear, ie, the second region 13B. Accordingly, the orthogonal projection of the elastic component 112 onto the reference plane (eg, the plane where YZ is located) and the orthogonal projection of the flexible closure structure 132 onto the reference plane may partially overlap each other. Additionally, the thickness of the flexible closure structure 132 may be designed differently. For example, the flexible cover structure 132 corresponding to the second region 13B may be relatively thick so that the free end of the attachment component 13 can protrude towards the ear and have good flexibility. In some embodiments, just to have the attachment component protrude through the second region 13B in the ear direction, compared to the first region 13A, the side of the first housing 1314 in the ear direction can also be designed with a difference in thickness. Thus, the first housing 1314 may also comprise a first region and a second region to correspond to the first region 13A and the second region 13B on the side of the attachment component 13, respectively, facing the ear.

In some embodiments, the side of the flexible cover structure 132 facing the center body 131 may be recessed with blind holes 1321 spaced apart from each other. The blind hole 1321 can be used primarily to provide space for the flexible closure structure 132 to deform, to allow the flexible closure structure 132 to experience more pressure deformation in the wearing state, thus further enhancing the wearing comfort. In some embodiments, the number of blind holes 1321 may be large, such as at least two, which may be spaced apart from each other to form a position of the bone to support the structure itself, thus having both elastic deformation and constructive strength. In other embodiments, the implementation of the number of blind holes 1321 may also be only a single. In such cases, by controlling the modulus of elasticity, the thickness, the size of the blind hole 1321, and other parameters of the flexible closure structure 132, the blind hole 1321 can also have elastic deformation and structural strength at the same time. To create a flexible closure structure 132 having a blind hole(s) 1321, the main body 131 (for example, the part of the first body 1314 corresponding to the second region 13B) can be made with a through hole(s) 13141 corresponding to and associated with the blind hole (s) 1321, respectively. The through hole(s) 13141 can be used to insert the molded base of the flexible closure structure 132. In such cases, the plurality of through holes 13141 can cause the part of the first body 1314 corresponding to the second region 13B to be arranged in a honeycomb or grid pattern to balance the structural strength of the first body 1314 in the region and supporting the flexible closure structure 132. Additionally, the outer side of the first body 1314 may also be provided with protrusions surrounding the through holes 13141 along the honeycomb or mesh structure. In some embodiments, the projections may be incorporated into the flexible closure structure 132. In some embodiments, the flexible closure structure 132 may be partially incorporated into the through holes 13141 to increase the area of engagement of the flexible closure structure 132 between the second region 13B and the first body 1314, thereby increasing Thus, bond strength. Thus, the first body 1314 may have corresponding through holes 13141 during the molding process and molding bases of the flexible closure structure 132 may be inserted through the through holes 13141 after the molding is completed. The mold bases may protrude from the first body 1314 and the maximum projection height may depend on the actual design requirements of the convex shell. The flexible closure structure 132 may be directly molded onto the first body 1314 through an injection molding process, and then the mold base may be stretched. Accordingly, the mounting component 13 may further comprise a protective panel 1316 disposed in the main body 131. For example, the protective panel 1316 may be located in a latching position on the inside of the first body 1314 away from the flexible cover structure 132 to seal the through holes 13141, thereby allowing , the first body 1314, and the protective panel 1316 surrounding the central portion 14, mold the outer cavity 200. The protective panel 1316 may be supported by a honeycomb or mesh structure of the first body 1314.

Just by way of example, the first flange 13142 may be located on the inner surface of the wall of the first housing 1314 in the direction away from the flexible cover structure 132. The second flange 13161 may be located on the inner surface of the wall of the protective panel 1316 in the direction away from the flexible cover structure 132. The two ends of the second flange 13161 and the two ends of the first flange 13142 may extend in opposite directions and, accordingly, form an annular flange by splicing. In such cases, the central portion 14 may rest on the annular flange to form the outer cavity 200. The first body 1314 may be provided with a receiving groove in the second region 13B. The shield panel 1316 may be incorporated into the receiving groove to allow the inner wall surface of the shield panel 1316 to fall off the inner wall surface of the first housing 1314 away from the flexible closure structure 132, thus causing the inner cavity surface of the outer cavity 200 to be as flat as possible. Additionally, the adhesive groove may be located on the inner surface of the wall of the first body 1314 away from the flexible closure structure 132. The adhesive groove may be located on the edge of the receiving groove and surrounded by a plurality of through holes 13141. groove. In short, the first flange 13142 and the adhesive groove with adhesive may be located on the inside of the first body 1314 away from the flexible closure structure 132, however, the first flange may correspond mainly to the first region 13A, and the adhesive groove may correspond mainly to second area 13B.

It should be noted that in other embodiments, such as where the flexible closure structure 132 does not have blind holes 1321 or the flexible closure structure 132 is separately molded and then bonded (eg, with adhesive) to the main body 131, the first body 1314 may not have through holes 13141 and a corresponding protective panel 1316 may be omitted. In such cases, the first flange 13142 may be a full annular flange and the outer cavity 200 may be formed by supporting and resting on the central portion 14 on the annular flange.

In other embodiments, as shown in FIG. 41, the flexible cover structure 132 may include an inner flexible pad 1322 located on the main body 131 and an outer flexible pad 1323 covering at least the inner flexible pad 1322. The inner flexible pad 1322 may be located in the second region 13B. The outer flexible pad 1323 may cover the inner flexible pad 1322, the first body 1314, the third body 122, and the like. In such cases, the flexible closure structure 132 may contact the ear through the outer flexible pad 1323. In short, the flexible closure structure 132 may also be configured as a two-layer structure to control the thickness and softness of the part of the flexible closure structure 132 corresponding to the second region 13B. Accordingly, the orthogonal projection of the elastic component 112 onto the reference plane (eg, the YZ location plane) and the orthogonal projection of the inner flexible pad 1322 onto the reference plane may partially overlap each other. Similarly, the sound hole 1311 may be located between the inner flexible pad 1322 and the connecting component 12. Additionally, the inner flexible pad 1322 may also protrude towards the ears. Thus, the inner flexible liner 1322 may protrude from the main body 131 (namely, the first body 1314) to facilitate molding of the convex shell structure by the flexible closure structure 132.

Just by way of example, the blind hole(s) 1321 may be located in the inner flexible gasket 1322 and the molding function and method may be the same or similar to that described above, which is not repeated here. A plurality of blind holes 1321 is possible so that the inner flexible liner 1322 can accommodate honeycomb-shaped or grid-like bone locations, or there can be a plurality of spaced bone locations. In other embodiments, the blind hole 1321 may further extend through the inner flexible gasket 1322, ie through the through hole. Similarly, spaces between bone sites, i.e., blind holes 1321, can be used to provide a deformation space for flexible closure structure 132. In some embodiments, the material of inner flexible pad 1322 and outer flexible pad 1323 can be zero degree silica gel.

Just by way of example, the Shore hardness of the inner flexible pad 1322 may be less than the Shore hardness of the outer flexible pad 1323, allowing the part of the flexible cover structure 132 corresponding to the second region 13B to be softer. The side of the outer flexible gasket 1323 facing the main body 131 may be recessed using the blind hole(s) 1321. The inner flexible gasket 1322 can be located in the blind hole(s) 1321 and contact the outer flexible gasket 1323. In other words , the blind hole(s) 1321 may be located in the outer flexible pad 1323 so as to more flexibly accommodate the flexible inner pad 1322. Specifically, the portion of the first body 1314 corresponding to the second region 13B may be provided with through holes 13141 for inserting molded studs. outer flexible pad 1323. In such cases, the outer flexible pad 1323 may be molded on the first body 1314 by an injection molding process, and the molded spikes may be pulled out after the outer flexible pad 1323 is molded, so that appropriate blind holes can be formed in the outer flexible pad 1323. 1321, thus forming a placement area. The inner flexible gasket 1322 can be placed in the blind hole(s) 1321 through the through hole(s) 13141. panels 1316 facing the inner flexible gasket 1322 may be partially embedded in the through hole(s) 13141 to improve the sealing performance of the placement area. Additionally, the number of blind holes 1321, which may be one, and the number of through holes 13141 may be the same. In such cases where the open area of the through holes 13141 is relatively large, the protective panel 1316 may be extended to partially overlap with the first body 1314 in the first region 13A to increase the area of support of the protective panel 1316 by the first body 1314. The protective panel 1316 may be provided with a tie hole 13162 connecting the sound hole 1311 and the outer cavity 200 so as not to block the sound hole 1311. zero degrees, and the outer flexible pad 1323 and the inner flexible pad 1322 can be molded in the area of placement through the process of dropping glue. In another particular embodiment, the material of the outer flexible liner 1323 may be 30-50 degrees silica gel and the material of the inner flexible 1322 may be 0-10 degrees silica gel, and the outer flexible 1323 and inner flexible 1322 may be preformed into a block, which must be filled in the placement area. In some embodiments, when the inner flexible pad 1322 can withstand the impact force of the outer flexible pad 1323 during the molding process, the first body 1314 may not be made with a through hole 13141 and the corresponding protective panel 1316 is missing.

Based on the detailed description mentioned above, structural components such as the first housing 1314, the outer flexible gasket 1323, the inner flexible gasket 1322, the protective panel 1316, etc., can be molded to form a housing assembly, that is, to simplify assembly process structural components can be built as modules.

As shown in FIG. 30, the earpiece 10 may further include a microphone 125 and a microphone 133 located on the mounting component 13 and/or on the connection component 12. The two microphones 125 and 133 may be electrically connected to the motherboard 15. The distance between the microphone 125 and the microphone 133 in the length may be greater than the distance between the microphone 125 and the microphone 133 in the height direction. The distance between the two microphones 125 and 133 should be as large as possible when the size of the earphone 10 is relatively determined, so as to avoid interference between the two microphones 125 and 133 and increase the sound sensor effect and/or the noise canceling effect of the earphone 10. Additionally, a line between orthogonal projection of the microphone 125 onto the reference plane (eg, onto the YZ location plane) and orthogonal projection of the microphone 133 onto the reference plane can pass through the orthogonal projection of the central portion 14 onto the reference plane. In other words, if the orthogonal projection of the center portion 14 onto the reference plane is placed in a rectangular shape, the two microphones 125 and 133 can be positioned substantially along the diagonal of the center portion 14.

In some embodiments, microphone 125 may be located on connection component 12, and microphone 133 may be located at the free end of attachment component 13 away from connection component 12. Microphone 125 may be closer to the user's mouth than microphone 133 and used primarily way, for the perception of the speech of the user. In some embodiments, earpiece 10 may also include processing circuitry that may be integrated into motherboard 15 and define microphone 125 as the primary microphone and microphone 133 as the secondary microphone. The audio signal received by the auxiliary microphone can be used to reduce the noise level of the audio signal received by the main microphone, thus improving the sound perception effect. At least one of the two microphones 125 and 133 may also be used to perform the noise reduction process of the sound output from the earpiece 10 to the ear, or only one microphone may be provided for sound pickup or noise reduction.

Just for example, the microphone 125 may be located between the third housing 122 and the first housing 1314, and the microphone 133 may be located between the second housing 1315 and the first housing 1314. The sides of the third housing 122 and the second housing 1315 are away from the first housing 1314 and may be suitably made with through holes for microphones to receive sounds.

In other embodiments, earphone 10 may also include a stackable microphone 134 that is detachably connected to the free end (i.e., battery portion 113) of attachment component 13 or hook-shaped component 11 away from connector component 12. The free end of the stackable The microphone 134 may be configured as a microphone 1341 electrically connected to the system board 15. Compared to the microphone 125 and the microphone 133, the stacked microphone 134 may allow the microphone 1341 to be placed closer to the user's mouth, which is advantageous for improving the sound perception effect. In the present disclosure, the detachable connection of the stack microphone 134 and the mounting component 13 can be taken as an example for illustration. For example, the main stem 1342 of the stack microphone 134 and the second housing 1315 may be releasably connected by a clasp, magnet, or the like. As another example, the main shaft 1342 and the second body 1315 may be detachably connected by a C-type insert to shorten the mounting length between the microphone 1341 and the system board 15.

Additionally, in addition to microphone 1341 on stack microphone 134, earphone 10 may also be provided with other microphones such as microphone 125 and/or microphone 133. The processing circuit may use microphone 1341 as the primary microphone when stack microphone 134 is connected to a 13 mounts, and use at least one of the microphones 133 or 125 as an auxiliary microphone. The audio signal received by the auxiliary microphone can be used to cancel the noise signal received by the main microphone, thus enhancing the sound perception effect. Accordingly, the processing circuit may switch the microphone 133 and the microphone 125 to an on state when the stacked microphone 134 is separated from the attachment component 13 . One of the microphones 133 and 125 can be used as the main microphone and the other can be used as the auxiliary microphone. In some embodiments, the processing circuitry may also switch at least one of the microphones 133 or 125 to an idle state when the stacked microphone 134 is connected to the attachment component 13 to save power while still considering sound perception and/or noise cancellation.

As shown in FIG. 30 and 31, the earphone 10 may further comprise a first charging electrode 126 disposed in the attachment component 13 or connection component 12 and a second charging electrode 1164 disposed in the hook-shaped component 11. The first charging electrode 126 or the second charging electrode 1164 may be used as a positive charging electrode, and the other may be used as a negative charging electrode. In the present disclosure, for purposes of illustration, the first charging electrode 126 may be used as a positive charging electrode, and the second charging electrode 1164 may be used as a negative charging electrode. In such cases, the earpiece 10 can be charged by two charging electrodes. In addition, the shortest distance between two charging electrodes can be greatly increased, which helps prevent short circuits between the charging electrodes caused by sweat, water droplets, dust, and the like. In some embodiments, if short circuit prevention conditions are met, the two charging electrodes may also be located in the hook-shaped component 11, the connection component 12, or the attachment component 13. Additionally, the two charging electrodes can be set to be invisible when worn. For example, both charging electrodes can face the wearer's skin to improve the appearance of the earpiece 10.

Just for example, the first charging electrode 126 may be located on the connecting component 12, and the second charging electrode 1164 may be located in the battery portion 116. Namely, the first charging electrode 126 may be at least partially located on the periphery of the second housing 1315 , for example, between the third housing 122 and the first housing 1314. Accordingly, the second charging electrode 1164 may be located in the battery compartment 1161, for example, at the base of the battery compartment 1161, away from the open end. The first charging electrode 126 may be arranged in a column shape, and the second charging electrode 1164 may be arranged in a strip shape. The length direction of the second charging electrode 1164 may extend along the circumferential direction of the battery compartment 1161. Additionally, the first body 1314 and the battery compartment 1161 may respectively be provided with through holes that allow the charging electrodes to be seen so that the charging electrodes can contact the output electrodes on the charger. . Compared with the column-shaped charging electrode, the strip-shaped charging electrode can have a larger contact area with the output electrode, which can improve the reliability of the charging electrode.

It should be noted that the connecting component 12 may be provided with a plurality of first charging electrodes 126 spaced apart. For example, connector component 12 may have two first charging electrodes 126 such that after one of the first charging electrodes 126 fails, the other may still be available. Additionally, a magnetic adsorption element, such as a magnet, may also be located near each of the two charging electrodes to allow the earphone 10 to make good contact with the output electrode(s) on the charger via magnetic adsorption. For the charger, the position of the output electrode(s) can be adjusted by changing the position of the charging electrode(s) on the earphone 10.

In FIG. 35 is a schematic exploded view of an earphone construction in accordance with some embodiments of the present disclosure. As shown in FIG. 35, since the second body 1315 is further away from the ears than the first body 1314, the second body 1315 may be provided with interactive components such as a physical button, display, touch circuit board, and the like to facilitate user interaction with the earphone 10.

Just by way of example, the second housing 1315 may include a bottom wall 13151 opposite the first housing 1314 and a side wall 13152 connected to the bottom wall 13151. The side wall 13152 may extend towards the first housing 1314. The side of the bottom wall 13151 facing the first housing 1314 may be provided with a flexible touch circuit board 135 electrically connected to the system board 15. The flexible touch circuit board 135 may include a capacitive flexible touch circuit board, a resistive flexible touch circuit board, a pressure sensitive flexible touch circuit board, and the like. ., which is not limited here. In such cases, interaction with the earphone 10 can be realized and there is no need to provide an additional through hole on the base body 131, thus improving the waterproof and dustproof performance. Specifically, the flexible touch circuit board 135 may include a touch portion 1351 for receiving touch operations and an electrical connection portion 1352 for connecting to the system board 15. For example, the flexible touch circuit board 135 may be fastened to the system board 15 via a BTB type connector. The ratio of the area of the sensor portion 1351 to the area of the side wall 13151 may be greater than or equal to 70%. Based on the above description, the side of the side wall 13152 closest to the third body 122 may be opened to facilitate splicing of the second body 1315 and the third body 122. located on opposite sides of the open end, respectively.

Additionally, the bottom wall 13151 may be provided with a receiving groove 13153 and the sensor portion 1351 may be attached to the bottom of the receiving groove 13153. the board 15 can also be connected to the second body 1315. The flexible touch circuit board 135 can be pressed against the bottom wall 13151 through the elastic keyboard 1353. In this way, the touch part 1351 can closely contact the bottom wall 13151 and the touch part 1351 can be protected from damage. The depth of the receiving groove 13153 may be greater than or equal to the thickness of the touch portion 1351 and less than the sum of the thicknesses of the touch portion 1351 and the resilient keyboard 1353 in order to enhance the pressing and holding effect.

In some embodiments, the bottom wall 13151 may be configured with a plurality of hot fuse posts 13154 located on the periphery of the receiving groove 13153 and extending toward the system board 15. For example, the number of hot bumps may be three. A connection line between orthogonal projections of at least two of a plurality of hot-weld posts 13154 on the bottom wall 13151 may pass through an orthogonal projection of the sensor portion 1351 on the bottom wall 13151. Accordingly, the motherboard 15 may be configured with a connection hole corresponding to each hot-welded post 13154 to allow the system board 15 to be connected and secured to the hot-weld post 13154 through the connection hole. In short, if the touch portion 1351 is arranged in a rectangular shape, at least the hot fuse posts 13154 may be located substantially along the diagonal of the touch portion to improve uniformity in the distribution of force across the system board 15. In other embodiments, the hot fuse table 13154 may also be replaced by a screw, fastener, and the like, which is not limited here.

Based on the above description, the microphone 133 can be directly located on the side of the motherboard 15, away from the bottom wall 13151, through the SMT process. toward the system board 15 and have a sound transmission hole communicating with the external environment of the earphone 10. The motherboard 15 may push the flange 13155 to allow the microphone 133 to receive sound signals through the sound transmission hole. In some embodiments, the silicone sleeve 13156 can be collared onto the flange 13155 to allow the motherboard 15 to be elastically supported on the flange 13155 through the silicone sleeve 13156. As a result, not only can the sealing of the sound path to the microphone 133 be increased, but it can also be improved uniformity of force distribution on the motherboard 15.

In some embodiments, a directional metal antenna may be disposed on the second housing 1315 to serve as the communication antenna of the earpiece 10. Accordingly, the bottom wall 13151 may be configured to contact the antenna 13157 located on the periphery of the receiving groove 13153 and electrically coupled with a directional metal antenna. The motherboard 15 may be provided with a metal resilient sheet for resilient contact with the antenna contact point 13157. In short, the system board 15 can be connected to the antenna contact point 13157 through a metal elastic sheet to prevent unnecessary welding, thus reducing assembly difficulties and saving the interior space of the main body 131.

As mentioned above, the connection between the motherboard 15 and the second cabinet 1315 can not only realize the attachment of the motherboard 15, but also realize pressing and holding on the flexible touch circuit board 135, sealing the sound path from the microphone 133, and electrical connection between the motherboard 15 and directional metal antenna. Thus, several goals can be achieved at once.

Based on the above description, as shown in FIG. 35 and 41, the electronic components located in the hook-shaped component 11 can be electrically connected to the motherboard 15 via the wire 117. Since the electronic components located in the connection component 12 are relatively close to the motherboard 15, the electronic components can be electrically connect to the system board 15 directly through the electronic component leads. The wire 117 may be arranged in a plurality of bundles that may include a wire from the positive terminal and a wire from the negative terminal of the battery 16, a signal line and a shield line from the detection element 1163, and a wire 1164 of the negative terminal of the second charging electrode. In some embodiments, the shielded wire of the detection element 1163 and the second charging electrode wire 1164 may be the same wire to simplify wiring. Additionally, since the size of the system board 15 is limited and there are many integrated electronic components on the system board 15, the wire 117 or other lead can be welded to the flexible printed circuit board 136 first and then fastened with a fastener and connected to the main board 15 through the flexible printed circuit board 136, which is preferable in order to increase the size of each contact and increase the spacing between each two contacts, thereby reducing welding difficulties and improving welding reliability.

Just by way of example, the flexible circuit board 136 may include at least a first connection area 1361 for electrical connection to the battery 16 and a second connection area 1362 for electrical connection to the system board 15. The second connection area 1362 may be located along the base surface of the system board 15 to facilitate the connection of the flexible printed circuit board 136 and the system board 15 with a fastener. Additionally, the first connection area 1361 may be curved in the direction of the motherboard 15 relative to the second connection area 1362 and may be provided with a plurality of pads. That is, welding can be performed on the side of the system board 15. As a result, since interference from electronic components does not exist between the components on the main surface of the motherboard 15, the difficulty of welding can be reduced. In addition, due to the small thickness, the flexible printed circuit board 136 can be partially bent towards the motherboard 15, which can also save the interior space of the main body 131. a first pad and a second pad respectively used for welding a positive electrode lead and a negative electrode lead of the battery 16. electrode and the negative electrode terminal of the charging electrode. The plurality of pads located in the first connection area 1361 may further comprise a fifth pad and a sixth pad, respectively used for welding the signal line and the shield line of the detection element 1163. Since the shielded wire of the detection element 1163 and the terminal of the second charging electrode 1164 may be the same terminal, the fourth pad or the sixth pad may be omitted, which is preferable to increase the size of the other pads and the spacing between each two pads.

Based on the above description, since the microphone 125 may be located on the connection component 12 to be closer to the system board 15, the flexible circuit board 136 may be further extended to the connection component 12. The flexible circuit board 136 may further comprise a third connection area 1363, connected to the first area 1361 connections. The third connection area 1363 may be curved away from the system board 15, compared to the first connection area 1361, so that the third connection area 1363 can be attached to the first housing 1314 and/or the third housing 122. The microphone 125 may be located in the third area 1363 connections through the SMT process. The first connection area 1361 and the third connection area 1363, respectively, may be perpendicular to the base surface of the system board 15. The second connection area 1362 may be parallel to the base surface of the motherboard 15.

Unlike the first connection area 1361, the second connection area 1362 can be fastened to the system board 15 via a BTB type connector. The flexible circuit board 136 may further comprise a connection transition region 1364 of the first connection region 1361 and the second connection region 1362. The transition region 1364 and the second connection region 1362 may be located on the same side of the system board 15. The length of the transition region 1364 may be greater than the minimum distance between the first connection region 1361 and the second connection region 1362 so that the first connection region 1361 can be fastened to the system board 15. Just by way of example, the transition region 1364 may be positioned in a multi-segment curved design and positioned along the base surface of the system board 15.

As shown in FIG. 35, the central portion 14 may include the magnetic circuit system 141 and the coil 142. The coil 142 may extend into the magnetic gap of the magnetic circuit system 141 and move in the magnetic field generated by the magnetic circuit system 141 in the energized state. The magnetic circuit system 141 may include structural components such as a permanent magnet, yoke, brace, and the like. The relationship of the specific design and connections of the magnetic circuit system 141 may be well known to those skilled in the art and will not be repeated here. Additionally, if the center portion 14 is applied to a bone conduction earpiece, the coil 142 may be positioned to drive the vibration plate. If the center portion 14 is applied to an air conduction earpiece, the coil 142 may be positioned to excite diaphragm movement. In some embodiments, the implementation of the coil 142 may also be configured to simultaneously excite the movement of the vibration plate and the diaphragm. In the present disclosure, the diaphragm movement excitation coil 142 may be taken as an example for illustration. The central part 14 may further comprise a diaphragm 143 connected between the coil 142 and the magnetic circuit system 141. The diaphragm 143 can, during the vibration process, produce sound that can be transmitted to the ear through the sound hole 1311.

Additionally, the central portion 14 may also include a metal elastic sheet 144 attached to the periphery of the magnetic circuit system 141. The metal elastic sheet 144 may be electrically connected to the coil 142. The central portion 14 may elastically press the motherboard 15 through the metal elastic sheet 144 so that the coil 142 can be electrically connected to the contact point on the motherboard 15. Thus, replacing the welding wires with by appropriate technology on the metal elastic sheet 144, welding can be avoided, thus reducing assembly difficulties. In addition, there is no need to reserve a space for welding, thus saving the interior space of the center body 131 . The number of metal elastic sheets 144 may be two and they may be used as the positive terminal and negative terminal of the coil 142, respectively.

In FIG. 40 is a schematic representation of the motherboard-side center structure according to some embodiments of the present disclosure. Just for example, as shown in FIG. 40, the metal elastic sheet 144 may include a fastener 1441 and an elastic contact part 1442 connected to one end of the fastener 1441. The fastener 1441 may be connected to the magnetic circuit system 141. Detail 1442 elastic contact can be held in the direction of the fastener 1441 from the system 141 of the magnetic circuit. In short, a part of the metal elastic sheet 144 for electrical connection with the contact point on the system board 15 may protrude from the magnetic circuit system 141. Additionally, the metal elastic sheet 144 may also include a restrictive piece 1443 attached to the other end of the fastener 1441. The restrictive piece 1443 and elastic contact piece 1442 may extend in the same direction. The resilient contact piece 1442 can further bend and extend in the direction of the restrictive piece 1443, and the free end of the resilient contact piece 1442 can be inserted into the restrictive groove of the restrictive piece 1443 so that the elastic contact piece 1442 can store elastic potential energy in advance, thereby improving quality. contact between the metal resilient sheet 144 and the contact point on the system board 15. In such cases, the height of the middle portion of the resilient contact piece 1442 relative to the fastener 1441 may be greater than the height of the free end of the resilient contact piece 1442 relative to the fastener 1441 to facilitate contact with the contact dot on system board 15.

Based on the above description, the magnetic circuit system 141 may be connected to the side of the first case 1314 facing the second case 1315. The motherboard 15 may be connected to the side of the second case 1315 facing the first case 1314. The second case 1315 may be fastened with a fastener with the first body 1314 so that the center portion 14 can resiliently press the metal elastic sheet 144 on the motherboard 15, which is simple and reliable and has high assembly efficiency. Each side of the opposite sides of the magnetic circuit system 141 may be provided with a metal elastic sheet 144 to increase the stability of the central portion 14 clamped by the second case 1315 and the motherboard 15 together with the first case 1314. Accordingly, the diaphragm 143 may be covered by the first case 1314 to form an outer cavity 200. For example, the magnetic circuit system 141 may be supported and fixed on an annular flange formed by splicing the second flange 13161 and the first flange 13142 mentioned above. The magnetic circuit system 141 may be provided with a through hole connecting the rear cavity 300 and the side of the diaphragm 143 facing away from the outer cavity 200. In other words, the central portion 14 (namely, the diaphragm 143) may share the accommodation cavity formed by the housing 131 the central part, the outer cavity 200 and the rear cavity 300, located opposite each other. An orthogonal projection of the sound hole 1311 along the direction of vibration of the center portion 14 may at least partially be projected onto the diaphragm 143. Additionally, the motherboard 15 and the center portion 14 may be stacked in the thickness direction, and the center portion 14 may be closer to the ear than the motherboard 15 to avoid placing a through hole connecting the side of the diaphragm 143 remote from the rear cavity 300 and the outer cavity 200 on the motherboard 15, thus simplifying the structure. The ratio of the overlap area between the orthogonal projection of the center portion 14 onto the reference plane (e.g., the YZ placement plane) and the orthogonal projection of the motherboard 15 onto the reference plane to the larger of the projection areas of the motherboard 15 onto the reference plane or orthogonal projection areas of the core 14 onto the reference plane can be in the range of 0.8-1. For example, the orthogonal projection area of the central portion 14 onto the reference plane may be substantially equal to the orthogonal projection area of the system board 15 onto the reference plane. Namely, the ratio of the absolute value of the difference between the size of the core 14 in the length direction and the size of the motherboard 15 in the length direction to the larger of the size of the motherboard 15 in the length direction and the size of the core 14 in the length direction can be in the range of 0-0.2 . The aspect ratio between the core 14 and the motherboard 15 in the height direction may be the same or close to the aspect ratio in the length direction. Thus, as long as the volume of the accommodating cavity formed by the center body 131 is constant, the center portion 14 can be as large as possible, which is advantageous for increasing the volume of the earphone 10 and widening the frequency response range of the earphone 10.

It should be noted that, as shown in FIG. 40, although the center portion 14 has a major axis direction (denoted Y1) and a minor axis direction (denoted Z1) orthogonal to each other and perpendicular to the vibration direction of the core 14 (denoted X1), for ease of description, the vibration direction, the major axis direction, and the direction the minor axis in the embodiment presented in the present disclosure may be respectively parallel to the thickness direction, the major axis direction, and the aforementioned height direction. In other embodiments, an angle may be allowed between the vibration direction and the thickness direction, or between the major axis direction of the core 14 and the major axis direction mentioned above, or between the minor axis direction of the core 14 and the height direction. Additionally, the size of the central part 14 in the direction of the major axis may be greater than or equal to the size of the central part 14 in the direction of the minor axis. Just by way of example, the orthogonal projection of the central portion 14 onto a reference plane perpendicular to the vibration direction may be rectangular. The direction of the major axis may be the direction of the long side of the rectangle, and the direction of the minor axis may be the direction of the short side of the rectangle.

The inventor(s) of the present disclosure, in a long-term study, found that when the motherboard 15 is located on the side of the central part 14 in the direction from the outer cavity 200, a large number of electronic components with different sizes and shapes located on the motherboard 15 may affect the quality headphone 10 sound. In FIG. 36 is a schematic cross-sectional view of an earpiece according to some embodiments of the present disclosure. In FIG. 46 is a schematic cross-sectional view of an earpiece according to some embodiments of the present disclosure. Thus, as shown in FIG. 36 and 46, the attachment component 13 may further comprise a portion 137 located in the center body 131. Portion 137 may be used primarily to separate the center portion 14 from the motherboard 15, and may be covered by the center portion 14 to form a rear cavity 300, that is, an independent sound cavity. Specifically, portion 137 may be located between the magnetic circuit system 141 and the motherboard 15 and may be covered by the magnetic circuit system 141 to form the back cavity 300. In other embodiments, the motherboard 15 can be layered to make the side of the motherboard 15 as flat as possible. 15 facing the central part 14.

Just by way of example, the section 137 may be attached to the central part 14, that is, for ease of assembly, the section 137 and the central part 14 may be built from modules. In FIG. 39 is a schematic exploded view of the construction of an earpiece according to some embodiments of the present disclosure. In FIG. 44 is a schematic exploded view of the construction of an earpiece according to some embodiments of the present disclosure. Specifically, as shown in FIG. 39 and 44, portion 137 may include a bottom wall 1371 and a side wall 1372 connected to the bottom wall 1371. The bottom wall 1371 can be separated from the magnetic circuit system 141. The side wall 1372 can extend to the central part 14 and connect with the central part 14 (namely, the magnetic circuit system 141) to allow the region 137 to be closed by the central part 14 to form the rear cavity 300. The side of the region 137 facing the magnetic circuit system 141 , may further be provided with an adhesive groove 1373 and a positioning post 1374 corresponding to the magnetic circuit system 141 to facilitate precise assembly of the portion 137 with the central portion 14. Accordingly, the metal resilient sheet 144 may be positioned at the periphery of the portion 137.

Based on the relevant description mentioned above, the side wall 1372 may also be provided with a tie hole that allows the back cavity 300 to be connected to the external environment of the earphone 10, for example, the first tie hole 1375 connecting the pressure relief hole 1312 and the back cavity 300, the second tie hole a hole 1376 connecting the sound control hole 1313 and the rear cavity 300, etc. The portion 137 and the center body 131 can also resiliently support the sealing member that surrounds the connection hole to seal the sound path between the rear cavity 300 and the outer environment of the earpiece 10.

In the present disclosure, the structural components such as the core body 131, the core 14, etc. may generally be arranged in a cubic structure or in a cylindrical structure, which is not limited here. In the present disclosure, the central portion 14 arranged in a cubic structure may be taken as an example for illustration. The size of section 137 in the length direction may be greater than or equal to the size of section 137 in the height direction. As shown in FIG. 39, sidewall 1372 may include first sidewall 13721 and third sidewall 13723 spaced apart in the length direction, and second sidewall 13722 and fourth sidewall 13724 spaced apart in the height direction. Additionally, the second side wall 13722 or the fourth side wall 13724 may be provided with a first connection hole 1375, and others may be provided with a second connection hole 1376. , and the second communication hole 1376 may be located in the fourth side wall 13724. In FIG. 45 is a schematic representation of a baffle structure facing the side of the core according to some embodiments of the present disclosure. It should be noted that as shown in FIG. 44 and 45, the second side wall 13722 may also be omitted and the first communication hole 1375 may be directly covered by the bottom wall 1371, the first side wall 13721, and the third side wall 13723, which may be described in the following descriptions by way of example.

Additionally, the third side wall 13723 may be further from the resonator hole 1311 than the first side wall 13721, that is, further from the connecting component 12 and closer to the free end of the attachment component 13. The size of the first connection hole 1375 in the length direction may be larger than the size of the second connection hole 1376 in the length direction, and the dimensions of the first connection hole 1375 and the second connection hole 1376 in the thickness direction may be the same in order to control the actual area of the effective connection area between the back cavity 300 and the external environment of the earphone 10 through the first connection hole 1375 and the second connection hole 1376. The first side wall 13721 and the fourth side wall 13724 can be connected by the first arcuate transition wall 13725 to avoid sharp structures such as right angle, acute angle, etc. , on the inner wall of the closed back cavity 300, thereby helping to eliminate standing waves. The first arcuate transition wall 13725 may be arranged in a circular arc shape (referred to as a circular arc shape for short). The radius of the circular arc can be greater than or equal to 2 mm. Similarly, the third side wall 13723 and the fourth side wall 13724 may be connected by a second arcuate transition wall 13726. The radius of curvature of at least a portion of the inner wall surface for the first transition arcuate wall 13725 may be greater than the radius of curvature of the corresponding portion of the inner wall surface second transitional arcuate wall 13726, which also makes it possible to avoid sharp structures, such as right angle, acute angle, etc., on the inner wall of the closed rear cavity 300. In other embodiments, the second transitional arcuate wall 13726 may be omitted. For example, the portion of the fourth side wall 1374 proximate the third side wall 13723 can be used to position the second bond hole 1376 so that the second bond hole 1376 can extend along the length direction to be flush with the surface of the inner wall of the third side wall 13723.

It should be noted that in the thickness direction, the surface of the inner wall of the first communication hole 1375 distal from the central portion 14 may be flush with the surface of the inner wall of the bottom wall 137 facing the central portion 14. The surface of the inner wall of the second communication hole 1376 distal from of the central portion 14 may be flush with the surface of the inner wall of the bottom wall 1371 facing the central portion 14. That is, the first bonding hole 1375 and the second bonding hole 1376 may extend along the thickness direction to be flush with the surface of the inner wall bottom wall 1371 to avoid sharp structures such as right angle, acute angle, etc. on the surface of the inner wall of the closed back cavity 300, thus helping to eliminate standing waves. Additionally, the surface of the inner wall of at least the first side wall 13721 or the third side wall 13723 may be arcuate when viewed from the height direction in order to avoid sharp structures such as a right angle, acute angle, etc., on the surface of the inner wall closed rear cavity 300. In some embodiments, the interior wall surfaces of side wall 1372 and bottom wall 1371 may be an arcuate connection.

In some embodiments, as shown in FIG. 39, the height of the second side wall 13722 and the fourth side wall 13724 relative to the bottom wall 1371 may be greater than the height of the first side wall 13721 and the third side wall 13723 relative to the bottom wall 1371 so that the central portion 14 can be enclosed between the second side wall 13722 and the fourth side wall 13724. The first side wall 13721 and the third side wall 13723 may respectively abut the side of the central portion 14 facing the bottom wall 1371. In the thickness direction, the size of the first connection hole 1375 may be greater than or equal to the distance between the bottom wall 1371 and the central portion 14. The size of the second bonding hole 1376 may be greater than or equal to the distance between the bottom wall 1371 and the central portion 14 to prevent the inner surface of the wall of the closed back cavity 300 from contacting sharp structures such as right angle, acute angle, etc., helping, thus eliminating standing waves. Additionally, the fastening component 13 may also include a first sealing element 1381 and a second sealing element 1382 resiliently held between the portion 137 and the body 131 of the central part. For example, the first sealing element 1381 may be resiliently held between the second side wall 13722 and the second body 1315 and surround the first communication hole 1375. As another example, the second sealing element 1382 can be resiliently held between the fourth side wall 13724 and the second body 1315 and surround the second communication hole 1376. Additionally, the exit end of the first connection hole 1375 may be covered with the first acoustic impedance mesh 1383 1383 and the side of the first acoustic impedance mesh 1383 1383, directed away from the side wall 1372, also be covered with a protective cover. Similarly, the second end of the second tie hole 1376 may be covered with a second acoustic impedance mesh 1384 1384, and the side of the second acoustic impedance mesh 1384 away from the side wall 1372 may also be covered with a protective cover. Acoustic resistance mesh can not only improve the performance of waterproof and dustproof, but also reduce sound leakage. The structural strength of the protective cover may be greater than the structural strength of the acoustic resistance mesh to prevent external objects from piercing the acoustic resistance mesh. Additionally, the porosity of the second acoustic impedance mesh 1384 may be less than or equal to the porosity of the first acoustic impedance mesh 1383.

Just by way of example, the first sealing element 1381 may include a first passage 13811 and a second passage 13812 connected to the first passage 13811. from the rear cavity 300, respectively, to increase the total area between the first sealing element 1381 and the area 137. Accordingly, the first passage 13811 may allow the area of the first acoustic impedance mesh 1383 corresponding to the first communication hole 1375 to be visible. For example, the first passing member 13811 may surround the first communication hole 1375 and the first mesh 1383 with acoustic impedance thereon so as to facilitate communication between the rear cavity 300 and the external environment of the earphone 10. Additionally, the first passing member 13811 may press and lock the first mesh 1383 with acoustically resistive on the side of the sidewall 1372 away from the rear cavity 300 to prevent separation of the first acoustically resistive mesh 1383 from the sidewall 1372.

In an embodiment, the design of the second seal element 1382 and the connection relationship between the second seal element 1382 and section 137 may be the same or similar to the first seal element 1381 and this is not repeated here. Additionally, the first seal element 1381 and the second seal element 1382 may be molded at section 137 through an injection molding process.

It should be noted that in an embodiment, structural components such as the center portion 14, portion 137 or acoustic impedance mesh, sealing member thereon, etc., may form a speaker assembly, i.e., to simplify assembly, the structural components may be built from modules.

In other embodiments, in accordance with FIG. 44, the second side wall 13722 may be omitted. The fourth side wall 13724 may be partially used to position the second communication hole 1376 and the height of the fourth side wall 13724 relative to the bottom wall 1371 may be equal to the height of the first side wall 13721 and the third side wall 13723 relative to the bottom wall 1371 to adjoin the magnetic circuit system 141 together with the first side wall 13721 and the third side wall 13723. The first sealing element 1381 may first be embedded in a pre-made receiving groove of the first sealing element 1381 or the second housing 1315. Then, the first sealing element 1381 may be attached and attached to the second housing 1315. Thus, the second housing 1315 and the first seal 1381 may be fastened together with the first acoustic impedance mesh 1383 and subsequent assembly may be performed. The side of the first sealing element 1381 facing the second body 1315 may be provided with a receiving groove to accommodate the first acoustic impedance mesh 1383. Similarly, the second seal 1382 and the second acoustic impedance mesh 1384 may also be attached and fastened to the second housing 1315 to form a housing subassembly, that is, the second seal 1382, the second acoustic impedance mesh 1384 and the second housing 1315 to simplify assemblies can be built from modules.

Based on the above detailed description, as shown in FIG. 47, the following definitions can be made: the outer cavity 200 may have a first opening 201 to allow the outer cavity 200 to communicate with the external environment of the earphone 10, and the back cavity 300 may have a second hole 301 and a third hole 302 that allow the back cavity 300 to communicate with the earpiece. 10 and its environment. Accordingly, the second hole 301 may be further away from the ear hole than the first hole 201 and the third hole 302. Each of the first hole, second hole, and third hole may relate to an area of effective communication between the outer cavity 200 or back cavity 300 and to the external environment of the earphone 10 That is, to the region of smallest cross-section through which sound is transmitted from the outer cavity 200 or back cavity 300 to the earpiece 10 and beyond. For example, the central portion 14 may co-operate with the first body 1314 (and the protective panel 1316) to form the outer cavity 300 and the first opening 201 may correspond to the sound hole 1311. 137 cooperates with the central part 14 to form the back cavity 300, if the actual area of the pressure relief hole 1312 is larger than the actual area of the second communication hole 1376, the second hole 301 may correspond to the second communication hole 1376. If the actual area of the pressure relief hole 1312 is smaller, than the actual area of the second connection hole 1376, the second hole 301 may correspond to the hole 1312 pressure relief. If the pressure relief hole 1312 and the second communication hole 1376 alternate with each other, the second hole 301 may correspond to a portion where the pressure relief hole 1312 1312 and the second communication hole 1376 do not close each other. The third hole 302 may be similar to the second hole 301 and the details are not repeated here. In the embodiment in which the earphone 10 is provided without a portion 137, that is, the second housing 1315 cooperates with the central portion 14 to form the rear cavity 300, the second hole 301 and the third hole 302 may directly correspond to the pressure relief hole 1312 and the sound control hole 1313, respectively. In some embodiments, if the earpiece 10 is made without at least the outer cavity 200 or without the back cavity 300, the corresponding hole, of course, cannot exist for a long time.

Additionally, for ease of description, the effective area described in this disclosure may be defined as the product of the actual area of the effective bond region and the porosity of the corresponding acoustic impedance mesh. For example, when the first opening 201 is covered with an acoustic resistance mesh, the effective area of the first opening 201 may be the product of the actual area of the first opening 201 and the porosity of the acoustic resistance mesh. When the first hole 201 is not covered by an acoustic barrier, the effective area of the first hole 201 may be the actual area of the first hole 201. The second hole 301 and the third hole 302 may be similar to the first hole 201 and the details are not repeated here. In the present disclosure, the effective area of the third hole 302 may be less than the effective area of the second hole 301.

In some embodiments, according to FIG. 39 i. 44, the actual area of the exit end of the second connection hole 1376 may be less than or equal to the actual area of the exit end of the first connection hole 1375, so that the actual area of the effective connection area between the sound control hole 1313 and the rear cavity 300 may be less than or equal to the actual area of the effective connection area. between the pressure relief hole 1312 and the rear cavity 300. The actual area of the outlet end of the pressure relief hole 1312 may be greater than or equal to the actual area of the outlet end of the first communication hole 1375. In such cases, the size of the outlet end of the sound control hole 1313 in the length direction may be equal to the size of the outlet end of the pressure relief hole 1312 in the length direction. In some embodiments, the size of the outlet end of the sound control hole 1313 in the thickness direction may be equal to the size of the outlet end of the pressure release hole 1312 in the thickness direction. Thus, the actual area of the effective bonding region between the rear cavity 300 and the external environment of the earphone 10 at the sound control hole 1313 or the pressure relief hole 1312 can be adjusted by adjusting the size of the respective bonding hole to meet the respective acoustic design requirements. In addition, the sound control hole 1313 and the pressure release hole 1312 can be designed to have a slight difference in appearance to improve the compatibility of the appearance, thereby allowing them to use the acoustic impedance mesh with the same specifications to reduce the amount of types of materials or avoid mixing materials. In other embodiments, the size of the sound control hole 1313 can be changed to change the second communication hole 1376 to create a sound control hole 1313 that looks different from the pressure relief hole 1312 in order to increase the degree of visual recognition. Additionally, the porosity of the second acoustic resistance mesh 1384 may be less than or equal to the porosity of the first acoustic resistance mesh 1383, such that the effective area of the effective bonding region between the sound control opening 1313 and the rear cavity 300 may be less than or equal to the effective area of the effective bonding region between the opening. 1312 pressure relief and rear cavity 300.

Additionally, an effective bonding region (eg, first bonding hole 1375) between the pressure relief hole 1312 and the rear cavity 300 may have a first center (denoted as O1) in the length direction. An effective bonding region (e.g., second bonding hole 1376) between the sound control hole 1313 and the rear cavity 300 may have a second center (denoted as O2) in the length direction, and the second center may be further from the center of the sound hole 1311 (denoted as O0) than first center, in the direction of length. That is, the second center may be closer to the third side wall 13723, so as to increase the distance between the sound control hole 1313 and the sound hole 1311 as much as possible, thereby weakening the anti-phase cancellation between the sound output to the external environment of the earphone 10 through the sound hole 1313, and sound transmitted to the ear through the sound hole 1311.

It should be noted that the center of the hole in the present disclosure may refer to the location where the distances to the circumference of the closed curve surrounding the hole are equal. For a regular shape such as a circle, rectangle, and the like, the hole center described in this disclosure may be the geometric center. For other irregular shapes, the hole center described in this disclosure may be a centroid.

In FIG. 48 is a schematic representation of the sound field distribution of an acoustic dipole in accordance with some embodiments of the present disclosure. As shown in FIG. 48, the sound transmitted outside the earphone 10 through the first hole 201 can be regarded simply as the first sound generated by the monopole sound source A1. The sound transmitted outside the earphone 10 through the second hole 301 can be regarded simply as the second sound generated by the monopole sound source A2. The second sound may have an opposite phase to the first sound, and in the far field it may be inverted and suppressed. That is, an "acoustic dipole" can be formed to reduce sound leakage. Preferably, in the wearing state, the line connecting the two monopole sound sources can be directed towards the auditory opening (designated as "listening position") so that the user can hear a loud enough sound. The sound pressure at the listening position (referred to as P _ear ) can be used to indicate the strength of the sound heard by the user. Additionally, sound pressures (denoted as P _far ) on a spherical surface centered on the user's listening position can be used to indicate the amount of sound leakage from the earpiece 10 radiated into the far field. Many statistical methods can be used to obtain _Pfar , such as the average sound pressure at each point on a spherical surface, the sound pressure at each point on a spherical surface to classify areas, and so on. Generally, the sound pressure P _ear transmitted by the earpiece 10 to the user's ear should be large enough to improve the listening effect, and the far-field sound pressure P _far should be small enough to increase the leakage sound reduction effect. Therefore, the parameter α can be used as an indicator for evaluating the leakage sound reduction effect or the listening effect of the earphone 10, which can be determined according to the following equation as follows:

.

.

Additionally, when the earphone 10 is in the wearing state, the orthogonal projection of the attachment component 13 (for example, the side of the attachment component 13 located on the ear opening near the crown of the wearer that contacts the anti-helix on the outside of the ear) on the ear can mainly fall within curl. The first opening 201 may be located between the antihelix and the upper ear root and transmit sound to the auditory opening. Additionally, since the ear cavity and pinna have a certain depth and are connected to the auditory opening, the orthogonal projection of the first hole 201 on the ear can be at least partially within the ear cavity and/or pinna, so that the sound transmitted to the external the environment of the earpiece 10 through the first hole 201 could be transmitted to the ear hole. In FIG. 49 is a schematic representation of the sound field distribution of a baffled acoustic dipole in accordance with some embodiments of the present disclosure. In FIG. 50 is a schematic representation of the far-field sound pressure for an acoustic dipole with and without a baffle, in accordance with some embodiments of the present disclosure. In addition, as shown in FIG. 49 i. 50, the ear may also be equivalent to a baffle placed near the listening position and has the effect of convergence and reflection of the sound transmitted to the external environment of the earphone 10, thus changing the distribution of the sound field. As a result, it not only helps to increase the sound pressure at the listening position, but also reduces the sound pressure in the far field. Namely, the listening position can be set between the partition and the monopole sound source A1. The baffle can distort the distribution of the sound field, thus increasing the sound pressure at the listening position. Meanwhile, the entire sound field can continue to be a large area for anti-phase cancellation, thus lowering the far-field sound pressure. It should be noted that the user's head can also be used as part of the baffle. Additionally, since the distance between each of the two monopole sound sources and the ear can be much smaller than the size of the ear, the ear can get an effect similar to an acoustic reflector.

In FIG. 51 is a schematic representation of a theoretical model of a baffled acoustic dipole in accordance with some embodiments of the present disclosure. The inventors of the present disclosure, in a long-term study, found that in a theoretical acoustic dipole-baffle coordination model as shown in FIG. 51, the parameter α can be influenced mainly by factors containing the angle θ between the connection line of two monopole sound sources (denoted as A1-A2) and the normal of the partition, the distance d between the two monopole sound sources, the distance D between the monopole sound source A1 and listening position, length L of the screen, distance B between the partition and the listening position, and the like. When the angle θ and the distance d are constant, the longer the screen length L and the smaller the distance B, the smaller the parameter α can be, that is, the better the sound leakage suppression effect can be. Based on the relevant description mentioned above, the user's ear can be considered as a septum, so that the length L can be relatively defined, for example, about 50-80 mm, and the distance B can be about zero. Additionally, in order to increase the sound pressure at the listening position to enhance the listening effect, the first hole 201 may generally be set as close as possible to the auditory orifice, that is, the distance D may generally be as small as possible. For example, the distance between the center of the first opening 201 and the center of the ear canal may be less than or equal to 16 mm. As another example, the distance between the lower end of the attachment component 13 facing the ear canal and the highest point (e.g., CP1) of the hook-shaped component 11 in the direction away from the attachment component 13 and in the height direction may be greater than or equal to 19 mm. Additionally, if the distance d is too small, the sound pressure at the listening position may decrease, which is not conducive to hearing the sound. If the distance d is too large, the far-field sound pressure may increase, which does not help to reduce sound leakage. In addition, the actual size of the attachment component 13 must also be taken into account. Therefore, the distance between the center of the second hole 301 and the center of the first hole 201 may be in the range of 7-15 mm. In a specific embodiment, the distance between the centers of the second hole 301 and the first hole 201 may be 9 mm.

In FIG. 52 is a schematic representation of the relationship between parameter α and angle θ according to some embodiments of the present disclosure. Additionally, as shown in FIG. 52, taking the "without baffle" curve as a reference, the "with baffle" curve can obviously be preferred in order to reduce the parameter α, that is, to increase the sound leakage reduction effect. When the angle θ = 0°, the parameter α may reach a minimum value, which indicates that the best sound leakage reduction effect is obtained. In the present disclosure, the angle θ may be within ±80°. Preferably, the angle θ may be within ±40°. More preferably, the angle θ may be within ±20°. As shown in FIG. 47, assuming that the second hole 301 is usually located on the side of the first hole 201 in the direction away from the auditory hole, the angle θ can only take on a positive value.

In FIG. 53 is a schematic representation of the relative relationship between an acoustic dipole and the ear, in accordance with some embodiments of the present disclosure. Just for example, as shown in FIG. 53 and 47, a three-dimensional coordinate system (denoted as X'Y'Z') can be established based on any three major sections and any three major axes of the human body that are perpendicular to each other. The angle θ between the connection line of the two monopole sound sources and the baffle normal can be defined by the angles between the line A1-A2 and the X'-axis, the Y'-axis and the Z'-axis, respectively. Based on the relevant description mentioned above, the connection line A1-A2 between two monopole sound sources can also be considered as a connection line (denoted as O1-O0) between the center (for example, O1) of the second hole 301 and the center (for example, O0) of the first hole 201 The angle θ1 between the connection line O1-O0 and the sagittal plane can be greater than or equal to 10°. Preferably, the angle θ1 may be greater than or equal to 30°. The angle θ2 between the connection line O1-O0 and the coronal plane may be greater than 0°, preferably the angle θ2 may be greater than or equal to 4°. The angle θ3 between the connection line O1-O0 and the horizontal plane may be less than or equal to 80°, preferably, the angle θ3 may be less than or equal to 60°. In a particular embodiment, the three angles θ1, θ2, and θ3 may be 34°, 5°, and 56°, respectively.

Additionally, when the earphone 10 is in the wearing state, the attachment component 13 may be near the outer side of the ear and the first hole 201 on the attachment component 13 can face the ear, so that the attachment component 13 can be considered simply as the average normal of the septum, perpendicular to the first hole 201 The angle between the connection line O1-O0 and the reference plane perpendicular to the average normal of the first hole 201 may be between 25° and 55°. The mean normal can be defined as given below

,

,

средняя нормаль;

нормаль в любой точке на поверхности, ds – лицевой блок. Where

average normal;

the normal at any point on the surface, ds is the face block.

When the first hole 210 is on a plane, the reference plane perpendicular to the middle normal may be a plane tangent to the first hole 201. Accordingly, the middle normal may be parallel to the vibration direction of the center portion 14 and the thickness direction. Therefore, the angle between the connection line O1-O0 and the direction of vibration may be between 0° and 50°, preferably may be between 0° and 40°.

Additionally, based on the relevant description mentioned above, the ear can be considered simply as a baffle acting in conjunction with an acoustic dipole. The reference plane can be defined through at least three physiological positions along the outside of the ear that are not collinear. For example, the connection lines between each two of the superior ear root, intertragic tooth, and Darwin's node may form a reference plane (labeled LD-LB-LA) that may be used to describe the septum. The angle between the O1-O0 connection line and the reference plane can be between 23° and 53°. In a specific embodiment, the angle between the connection line O1-O0 and the reference plane may be 38°.

Additionally, when the earpiece 10 is in a wearing state, the earpiece 10 can form a plurality of contact points with the ear to ensure stability when worn. As a result, positions corresponding to contact points may also exist on the earphone 10. In the embodiment in which the hook-shaped component 11 is provided with the elastic component 112, the elastic deformation of the elastic component 112 before and after wearing may cause some deviation in the relationship relationship, and the deviation may be controlled by the deformability of the elastic component 112. Therefore, for ease of description, the deviation may be valid. Just by way of example, according to FIG. 31 and 59, the free end of the attachment component 13 farthest from the attachment assembly 20 may have a first reference point (eg, CP0) for contact with the outer side of the ear. The mounting assembly 20 may have a second reference point (eg, CP3) for contact with the upper ear root and a third reference point (eg, CP6) for contact with the ear on the back of the ear. Connection lines between each two of the first control point, the second control point, and the third control point may form a reference plane (denoted as CP0-CP3-CP6) and the reference plane may be used to describe the partition. The angle between the connection line O1-O0 and the reference plane can be between 15° and 45°. In a specific embodiment, the angle between the connection line O1-O0 and the reference plane may be 30°.

It should be noted that compared to the septum, the outer surface of the ear may not be flat and irregular in structure. Therefore, the above-mentioned parameters related to the parameter α can be obtained through theoretical analysis and actual measurement. The actual measurement may refer to a measurement performed after the earpiece 10 is worn on a simulator (eg GRAS 45BC KEMAR).

As everyone knows, although the frequency range of sounds that can be perceived by ordinary human ears lies between 20 Hz and 20 kHz, this does not mean that all these sounds can be heard. In general, normal human ears can hear sounds mainly at frequencies below 4 kHz. Thus, on the one hand, the resonant frequency of the first sound transmitted to the external environment of the earphone 10 through the first hole 201 can be shifted as much as possible towards high frequencies, so that the frequency response curve of the first sound can be as flat as possible in the middle high frequency band, thus improving the listening effect. On the other hand, the resonant frequency of the second sound transmitted to the external environment of the earphone 10 through the second hole 301 can also be shifted to high frequencies as much as possible, which can not only reduce the sensitivity of the user to sound leakage, but also enhance anti-phase cancellation in the high frequency band. to reduce sound leakage without affecting the listening effect. Therefore, the frequency response curve of the first sound may have the first lowest resonant peak at mid-high frequencies. The first lowest resonant peak at the mid-high frequency may be the lowest frequency resonant peak of all resonant peaks in the mid-high frequency bands and above the frequency response generated by the first hole 201. Similarly, the frequency response of the second sound may have the second most low resonant peak at mid-high frequencies. The second lowest resonant peak at the mid-high frequencies may be the lowest frequency resonant peak of all resonant peaks in the mid-high frequency bands and above in the frequency response formed by the second hole 301. In short, the frequency response of the first sound may have a first resonant peak with the lowest frequency in the mid-high frequency band and above. Likewise, the frequency response curve of the second sound may have a second resonant peak at its lowest frequency in the mid-high band and above. The peak resonant frequency of the first lowest resonant peak at mid-high frequencies and the peak resonant frequency of the second lowest resonant peak at mid-high frequencies may be greater than or equal to 5 kHz. Preferably, the peak resonant frequency of the first lowest resonant peak at mid-high frequencies and the peak resonant frequency of the second lowest resonant peak at mid-high frequencies may be greater than or equal to 6 kHz. Additionally, the difference between the peak resonant frequency of the first lowest resonant peak at the mid-high frequencies and the peak resonant frequency of the second lowest resonant peak at the mid-high frequencies may be less than or equal to 1 kHz, so that anti-phase cancellation on the second sound and the first sound can best performed in the far field.

It should be noted that in the present disclosure, the frequency range corresponding to the low frequency band is the range within 20-150 Hz. The frequency range corresponding to the midband may be 150 Hz to 5 kHz. The frequency range corresponding to the high frequency band may be in the range of 5-20 kHz. The frequency range corresponding to the mid-low frequency band may be in the range of 150-500 Hz. The frequency range corresponding to the mid-high frequency band may be in the range of 500 Hz - 5 kHz. For the frequency response described in this disclosure, the horizontal axis may represent frequency, and the unit may be Hertz (Hz). The vertical axis can represent intensity and the unit can be decibel (dB). Additionally, the first lowest mid-high frequency resonant peak may comprise a resonant peak generated by cavity resonance and/or a standing wave peak resulting from reflection from the surface of the cavity. The second lowest mid-high resonant peak may be similar to the first lowest mid-high resonant peak, and details are not described here.

Based on the above detailed description, when wearing the earphone 10, the user can mainly hear the first sound, thus the peak resonant frequency of the first lowest mid-high resonant peak can have a large influence on the listening effect. The first lowest mid-high resonant peak is studied to improve the listening effect. The resonant peaks in the frequency response of the first sound in the mid-high frequency band and above can be caused mainly by cavity resonance, which usually satisfies the formula for calculating the resonant frequency of a Helmholtz resonant cavity:

,

,

where f ₀ is the resonant frequency of the resonant cavity, c ₀ is the speed of sound in air, S is the actual area of the first hole 201, V is the volume of the outer cavity 200, l is the length of the first hole 201, and r is the equivalent radius of the first hole 201. l usually depends on the wall thickness of the body.

Obviously, the larger the actual area of the first hole 201 and the smaller the volume of the outer cavity 200, the higher the resonant frequency corresponding to the resonance of the cavity can be, that is, the first lowest mid-high resonant peak can be more easily shifted to higher frequencies. Further, the first hole 201 may generally be covered with an acoustic resistance mesh to improve the waterproof and dustproof performance and correct the frequency response. Just by way of example, the effective area of the first hole 201 may be greater than or equal to 2 mm ² . In a particular embodiment, the actual area of the first hole 201 may be greater than or equal to 7 mm ² and the porosity of the acoustic impedance mesh covering the first hole 201 may be greater than or equal to 13%. In some embodiments, the pore size may be greater than or equal to 18 microns. Additionally, the volume of the outer cavity 200 may be less than or equal to 90 mm ³ . The volume of the outer cavity 200 may be approximately the product of the area of the diaphragm 143 and the depth of the outer cavity 200 in the direction of vibration of the central portion 14. Once the specifications and model of the central portion 14 are selected, and provided that the vibration path of the diaphragm 143 is satisfactory, the depth of the outer cavity 200 in the vibration direction can be as small as possible. Therefore, the maximum depth of the outer cavity 200 in the direction of vibration may be less than or equal to 3 mm, preferably less than or equal to 1 mm.

In FIG. 54 is a schematic representation of the construction of an earpiece in accordance with some embodiments of the present disclosure. Additionally, as shown in FIG. 54, when the outer cavity 200 is configured as a cubic structure, the cavity surface of the outer cavity 200 may form at least a pair of parallel or approximately parallel reflective surfaces, thereby forming a standing wave. Specifically, when a sound wave is reflected in a cavity, the incident wave and the reflected wave may overlap to form a fixed anti-node and a fixed node, thereby initiating a standing wave at a certain frequency. In other words, the resonant frequency response peaks for the first sound in the mid-high band and above can also be derived from a standing wave, which generally satisfies the following equation:

,

,

where f0 is the peak frequency of the standing wave, _c0 is the speed of sound in air, L is the distance between the center of the first hole 201 and the surface of the outer cavity 200, and n is a positive integer.

Obviously, the smaller the distance L, the higher the frequency corresponding to the peak of the standing wave can be. Thus, the first lowest mid-high resonant peak can be more easily shifted towards the higher frequencies. Just by way of example, on a reference plane perpendicular to the direction of vibration of the central portion 14 (e.g., location plane Y1Z1), the distance between the center of the first hole 201 and the surface of the outer cavity 200 may be less than or equal to 17.15 mm.

Based on the above related description, the outer cavity 200 may have a first outer cavity surface 202 and a third outer cavity surface 204 spaced from each other in the major axis direction of the central portion 14, and a second outer cavity surface 203 and a fourth outer cavity surface 205 spaced apart in the direction of the minor axis of the central portion 14. The first surface 202 of the outer cavity may be closer to the connecting component 12 than the third surface 204 of the outer cavity. The fourth surface 205 of the outer cavity may be closer to the auditory opening than the second surface 203 of the outer cavity. The distance between the first outer cavity surface 202 and the third outer cavity surface 204 may be greater than or equal to the distance between the second outer cavity surface 203 and the fourth outer cavity surface 205. Further, the vertical distance from the center of the first opening 201 to the first outer cavity surface 202, the second outer cavity surface 203, the third outer cavity surface 204, and the fourth outer cavity surface 205 may be defined as the first distance L1, the second distance L2, the third distance L3, and fourth distance L4, respectively. Assuming that the four vertical distances have the following basic relationship: L1≥L2≥L3≥L4, the frequencies corresponding to the respective peaks of the standing wave may have the following relationship: f1≤f2≤f3≤f4. The first peak of the standing wave of the first sound in the mid-high frequency band may be determined by the largest distance of the four vertical distances, so that L1≤17.15. Just by way of example, the first distance may be less than or equal to the third distance, and the fourth distance may be less than or equal to the second distance, so that the first opening 201 may be closer to the auditory opening.

It should be noted that the first hole 201 may be opposite the diaphragm 143 in the direction of vibration of the central part 14 and the ratio of the size of the first hole 201 in the direction of the major axis of the central part 14 to the size of the first hole 201 in the direction of the minor axis of the central part 14 may be less than or equal to 3. For example, the first hole 201 may have a circular shape. As another example, the first hole 201 may be in the form of a race wheel.

In FIG. 55 is a schematic representation of the construction of an earpiece according to some embodiments of the present disclosure. As shown in FIG. 55, the earphone 10 may further comprise a Helmholtz resonant cavity 400 associated with the outer cavity 200. The Helmholtz resonant cavity 400 may be configured to attenuate the intensity of the first lowest mid-high frequency resonance peak. That is, the sound energy in the outer cavity 200 near the peak resonance frequency can be absorbed to suppress a sudden increase in the intensity of the peak resonance, so that the frequency response can be flatter and the sound quality can be more balanced. In FIG. 56 is a schematic representation of the frequency response of an earphone according to some embodiments of the present disclosure. Just by way of example, according to FIG. 56, the difference between the peak resonance intensity of the first lowest mid-high frequency resonance peak when the hole connecting the Helmholtz resonance cavity 400 and the outer cavity 200 is open (indicated as "HR_Y"), and the intensity of the resonance peak of the first lowest resonance peak mid-high frequencies when the hole connecting the Helmholtz resonant cavity 400 and the outer cavity 200 is in the closed state (indicated as "HR_N"), may be greater than or equal to 3 dB. Additionally, the opening connecting the Helmholtz resonant cavity 400 and the outer cavity 200 may be provided with an acoustic impedance mesh to further adjust the frequency response. The porosity of the mesh with acoustic resistance can be greater than or equal to 3%.

Additionally, for better absorption of acoustic energy in the outer cavity 200 near the peak resonant frequency, a plurality of Helmholtz resonant cavities 400 may exist. A plurality of Helmholtz resonant cavities 400 may be arranged parallel to the outer cavity 200, for example, respectively in communication with the outer cavity 200. Alternatively, multiple Helmholtz resonant cavities 400 may be arranged in series with the outer cavity 200, for example, in communication with the outer cavity 200 through one of the plurality of resonant cavities 400 Helmholtz.

In some embodiments, as shown in FIG. 36, the Helmholtz resonant cavity 400 may be located in the second region 13B, for example, in the flexible cover structure 132. That is, the blind hole 1321 in the flexible cover structure 132 can not only provide a deformation space for the flexible cover structure 132, but also serve as a resonant cavity. 400 Helmholtz. Accordingly, a connection hole connecting the Helmholtz resonant cavity 400 and the outer cavity 200 may be located on the protective panel 1316.

In other embodiments, as shown in FIG. 41, the Helmholtz resonant cavity 400 may be located in the connecting component 12, for example, between the third housing 122 and the first housing 1314. Specifically, the first flange may be located on the inner surface of the wall of the first housing 1314 facing the third housing 122, and on the third housing 122 can be pressed and held on the first flange to close and form the Helmholtz resonant cavity 400. Alternatively, the surface of the inner wall of the third housing 122 facing the first housing 1314 may be provided with a second flange. The first housing 1314 can be pressed and held against the second flange to close and form the Helmholtz resonant cavity 400. In short, the third body 122 and the first body 1314 may be fastened together to form a Helmholtz resonant cavity 400. Additionally, the Helmholtz resonant cavity 400 may be formed by the molding process and then placed and fixed in the connecting component 12.

Based on the detailed description mentioned above, in order to shift the resonant frequency of the second sound as much as possible to high frequencies, the same or similar technical solution can be adopted for the rear cavity 300 as for the outer cavity 200, which is not repeated here. The main difference from the outer cavity 200 may be that for a standing wave, the back cavity 300 can destroy the high pressure area of the sound field in the back cavity 300 to shorten the wavelength of the standing wave in the back cavity 300, thereby making the peak resonant frequency the second lowest resonant peak mid-high frequencies as large as possible. As shown in FIG. 47, the third hole 302 may be located in the high sound field pressure region of the rear cavity 300. For example, the third hole 302 and the second hole 301 may be located on opposite sides of the central portion 14. In FIG. 58 is a schematic representation of the frequency response of an earphone in accordance with some embodiments of the present disclosure. Just for example, as shown in FIG. 58, the peak resonant frequency of the second lowest mid-high resonant peak when the third hole 302 is in the open state (indicated as "On") may shift to the high frequency region compared to the peak resonant frequency of the second lowest mid-high resonant peak. high frequencies when the third hole 302 is in the closed state (labeled as "Off"), and the amount of offset may be greater than or equal to 1 kHz. Additionally, the effective area of the third hole 302 may be smaller than the effective area of the second hole 301 in order to adjust the peak resonant frequency of the second lowest mid-high resonant peak. In some embodiments, the size of the second opening 301 in the direction of the major axis of the center portion 14 may be larger than the size of the first opening 201 in the direction of the major axis of the center portion 14.

In FIG. 57 is a schematic representation of the design of the rear cavity of an earpiece according to some embodiments of the present disclosure. Based on the above description, according to FIG. 57, the rear cavity 300 may have a first rear cavity surface 303 and a second rear cavity surface 304 spaced from each other in the direction of the major axis of the central portion 14. The second opening 302 and the third opening may be spaced from each other in the direction of the minor axis of the central part 14. The actual area of the third hole 302 may be less than the actual area of the second hole 301, so that the effective area of the third hole 302 may be less than the effective area of the second hole 301. Section of at least the first surface 303 of the rear cavity and the second surface 304 of the rear cavity proximal to the third hole 302 may be arranged in an arc shape along the direction of vibration of the central portion 14 to prevent sharp structures such as right angle, acute angle, etc. on the inner wall of the closed rear cavity 300, which preferably to eliminate standing waves. Additionally, at least the first cavity surface 303 or the third cavity surface 305 may be arranged in an arc shape along the minor axis direction, which is also advantageous for eliminating standing waves.

Additionally, the opening direction of the second opening 301 may face the crown of the user. For example, the angle between the opening direction and the vertical axis may be between 0° and 10° to allow the second opening 301 to be further away from the ear canal than the third opening 302. As a result, it may be difficult for the user and others in the environment to hear the sound output to the external environment of the earphone 10 through the second hole 301, thus reducing sound leakage. The opening direction of the second opening 301 may refer to the direction in which the average normal is located. Accordingly, the second hole 301 may have a first center (such as O1) in the major axis direction of the center portion 14. The third hole 302 may have a second center (such as O2) in the major axis direction. The second center may be located farther from the center of the first hole 201 than the first center in the direction of the main axis, so as to increase the distance between the third hole 302 and the first hole 201 as much as possible, thus weakening the anti-phase cancellation between the sound output to the external environment of the earphone. 10 through the third hole 302, and sound transmitted to the ear through the first hole 201. The first rear cavity surface 303 may be closer to the connecting component 12 than the second rear cavity surface 304. The radius of curvature of at least a portion of the first surface 303 of the rear cavity may be greater than the radius of curvature of the corresponding portion of the second surface 204 of the rear cavity.

Just by way of example, the first posterior cavity surface 303 may comprise a first subposterior cavity surface 3031, a second subposterior cavity surface 3032, and a third subposterior cavity surface 3033 that are connected in series. The first surface 3031 of the subposterior cavity may be closer to the second hole 301 and farther from the second surface 304 of the posterior cavity than the third surface 3033 of the subposterior cavity. At least the second surface 3032 of the subposterior cavity and the third surface 3033 of the subposterior cavity may be arranged in an arc shape. For example, the second sub-rear surface of the cavity 3032 may be arranged in an arc shape. The arc radius can be greater than or equal to 2 mm. In the direction in which the second opening 301 is directed to the third opening 302, the angle between the line tangent to the second surface 3032 of the subposterior cavity and the direction of the minor axis of the central portion 14 may gradually increase, and the angle between the line tangent to the third surface 3033 of the subposterior cavity, and the direction of the minor axis may remain unchanged or gradually decrease.

It should be noted that the attachment assembly 20 attached to the attachment component 13 described in the present disclosure can be used primarily to force the attachment component 13 into contact with the outer side of the ear when worn. In some embodiments, the attachment assembly 20 may include a hook-shaped component 11 and a connecting component 12 connected to the hook-shaped component 11 and the attachment component 13. The corresponding construction and connection relationships may be as described in detail for any of the embodiments of the present disclosure, which is not repeated here. In FIG. 59 is a schematic representation of an earphone design in a wearing state, in accordance with some embodiments of the present disclosure. In other embodiments, as shown in FIG. 59, the attachment assembly 20 may be positioned in an annular shape and around the ear, for example, as shown in diagram (a) in FIG. 59. In some embodiments, the attachment assembly 20 may also be located in the ear and back hook structure and around the back of the head, as shown in diagram (b) in FIG. 59. In some embodiments, the attachment assembly 20 may also be positioned as a headband and around the crown, as shown in diagram (c) in FIG. 59. Additionally, the technical solutions described in this disclosure may be applied to an earpiece, hearing aid, audio glasses, or other smart glasses such as AR, VR, MR, and the like.

The descriptions may only be part of the embodiments of the present disclosure and may not limit the scope of the present disclosure. Any equivalent device or equivalent conversion process made using the illustrations of the description and drawings of this disclosure, or directly or indirectly used in other related arts, may be included within the protection scope of this disclosure with the same principles.

Claims (32)

1. An earpiece containing a mounting assembly and a mounting component connected to the mounting assembly, while the attachment assembly is configured to contact the attachment component with the anti-helix of the user's ear on the outer side of the ear when the earpiece is in a wearing state; And fastening component contains a central part having a diaphragm, and the attachment component has an external cavity on one side of the diaphragm, the outer cavity is provided with the first hole, which provides communication of the outer cavity with the outer side of the earpiece, the first hole is located between the antihelix and the upper ear root when the earpiece is in the wearing state, and the central part is configured to create a sound that can be transmitted to the ear through the first hole. 2. The earphone of claim. 1, in which the attachment component has a rear cavity on the other side of the diaphragm, facing away from the outer cavity, while the rear cavity is provided with a second opening that allows the communication of the rear cavity with the outer side of the earpiece, and the second hole is further from the ear canal than the first hole, and the frequency response of the sound transmitted to the outer side of the earpiece through the first hole has a first lowest resonant peak in the mid-high frequency band, wherein the first lowest resonant peak in the mid-high frequency band is the lowest frequency resonant peak of the frequencies of all the resonant peaks generated first hole; And the frequency response of the sound transmitted to the outside of the earpiece through the second hole has a second lowest resonant peak in the mid-high frequency band, the second lowest resonant peak in the mid-high frequency band being the lowest frequency resonant peak of all resonant peak frequencies in the bands mid-high frequencies and higher frequency bands of the frequency response formed by the second hole; wherein the frequency of the resonant peak of the first low resonant peak in the mid-high frequency band and the frequency of the resonant peak of the second low resonant peak in the mid-high frequency band are greater than or equal to 5 kHz, respectively. 3. The earphone according to claim 2, in which the rear cavity is provided with a third hole, providing communication of the rear cavity with the outer side of the earpiece, and the effective area of the third hole is less than the effective area of the second hole, while the frequency of the resonant peak of the second lowest resonant peak in the mid-high frequency band when the third hole is in the open state is shifted towards high frequencies compared to the frequency of the resonant peak of the second lowest resonant peak in the mid-high frequency band when the third hole is in the closed state state, and the offset value is greater than or equal to 1 kHz. 4. An earphone according to claim 3, wherein the third hole and the second hole are located on opposite sides of the central part and the third hole is closer to the auditory hole than the second hole. 5. The earpiece of claim 4, wherein the attachment assembly comprises a hook-shaped component and a connection component configured to connect the hook-shaped component and the attachment component, wherein, when the earpiece is in a wearing state, the hook-shaped component is configured to be suspended between the back of the user's ear and the user's head, and the attachment component is configured to contact the outside of the ear to act in conjunction with the ear hook-shaped component. 6. The earphone according to claim 5, wherein the attachment component has a thickness direction, a length direction, and a height direction orthogonal to each other, the thickness direction is configured as a direction in which the attachment component is near or away from the ear in the wearing state, and a height direction configured as a direction in which the fastening component is near the top of the user's head or is away from the top of the user's head in the wearing state, wherein in the natural state, as viewed from the side of the earpiece facing the crown of the wearer in the wearing state, the fastening component is at least separated from the hook-shaped component section proximate the connecting component in the thickness direction; And the connecting component is located in the form of an arc and is attached between the attachment component and the component in the form of a hook. 7. The earphone of claim. 6, in which the side of the attachment component, facing the ear, contains the first region and the second region, while the first region is made with a resonator hole and the second region is further away from the connecting component than the first region, and protrudes more towards the ear than the first region, in order to ensure that the resonator hole is located at a distance from the ear when worn, and the distance between the second region and the section of the hook-shaped component closest to the connecting component in the thickness direction is in the range of 1 to 5 mm. 8. The earpiece of claim 7, wherein the orthogonal projection of the section of the hook-shaped component proximal to the connector component in the thickness direction partially overlaps the second region. 9. The earphone of claim. 7, in which the side of the attachment component, facing the ear, contains the first region and the second region, while the first region is made with a resonator hole and the second region is farther from the connecting component than the first region, and protrudes more towards the ear than the first region, so as to ensure that the sound hole is located at a distance from the ear in the wearing state, and the maximum height of the protrusion of the second region relative to the first region in the thickness direction is greater than or equal to 1 mm. 10. Headphone according to any one of paragraphs. 1-9, in which the attachment component contacts the antihelix of the ear.

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