Watchband and wearable device

Abstract

A watchband and a wearable device, relating to the technical field of wearable devices. The watchband comprises a sound module arranged within the watchband and a waterproof structure arranged on the surface of the watchband, the sound module comprising a pickup module and / or a sound production module, and the waterproof structure being used for propagating sound. Under such a design, a sound module of a wearable device is arranged within the watchband, so that a sound hole need not be formed on a watch body, thereby reducing waterproofing problems caused by openings in the watch body. Meanwhile, the waterproof structure is adopted to seal the sound module, so that the transmission of sound is not hindered. In addition, the waterproof structure further has waterproof capabilities, so that external water, other liquid, dust, and the like can be prevented from entering the interior of the watch body, implementing protection for the sound module.

Description

Watch strap and wearable device

[0001] This application claims priority to the Chinese patent application with application number 202311622285.8 filed with the State Intellectual Property Office of China on November 29, 2023, and priority to the Chinese patent application with the invention name “A watch strap and wearable device”, all contents of which are incorporated by reference into this application. Technical Field

[0002] The present application relates to the technical field of wearable devices, and in particular to a watch strap and a wearable device. Background Art

[0003] Wearable devices are electronic devices that can be worn on the body and used for monitoring health data, recording exercise activity, receiving notifications, and interacting with others. These devices typically take the form of watches, glasses, headphones, and bracelets. Wearable electronics with communication capabilities have greatly facilitated people's lives. In recent years, with the growing popularity of diving, the market for wearable devices with diving capabilities has gradually expanded. More and more users are paying attention to the performance of wearable devices in underwater scenarios, placing higher demands on their communication performance. Summary of the Invention

[0004] The present application provides a watch strap and a wearable device. By placing a sound module on the watch strap and using a waterproof structure with both sound-transmitting and waterproof functions to protect the sound module, the waterproof problem of the wearable device is effectively solved, the structural space inside the watch body is simplified, and the sound pickup and sound generation are optimized.

[0005] In a first aspect, the present application provides a watch strap, which includes a sound module arranged inside the watch strap and a waterproof structure arranged on the surface of the watch strap, the sound module includes a sound pickup module and / or a sound emission module, and the waterproof structure is used to transmit sound.

[0006] In this application, the sound module of the wearable device is arranged outside the watch body, avoiding the need for sound pickup holes and sound emission holes on the watch body and improving the overall sealing of the watch body. A waterproof structure is arranged on the surface of the watch strap to fix the sound module in the first accommodating cavity, preventing the sound module from easily falling off. The sound module includes a sound pickup module and / or a sound emission module, which can realize sound pickup and / or playback on the watch strap. For example, when the sound module includes a sound pickup module, the sound pickup module set on the watch strap can pick up environmental sounds and convert them into electrical signals, which can be transmitted to the processing module inside the watch body; when the sound module includes a sound emission module, the sound emission module can transmit the sound from the watch strap to the user's ears; when the sound module includes a sound pickup module and a sound emission module, the watch strap can simultaneously realize sound pickup and playback functions. The waterproof structure can be made of a sound-permeable material to transmit sound. Sound can effectively realize the mutual transmission between the sound module and the external environment with less obstruction or attenuation, making the transmission and / or playback of sound clearer and more realistic, and also realizing the protection of the sound module.

[0007] In one possible implementation, the watchband is provided with a first accommodating cavity having a first opening on the surface of the watchband. The sound module is disposed within the first accommodating cavity, and at least a portion of the waterproof structure covers and seals the first opening. At least a portion of the waterproof structure covering and sealing the notch ensures that the waterproof structure covers and seals the first opening, thereby preventing impurities such as moisture and dust from entering the accommodating cavity and protecting the sound module from damage. Furthermore, due to the sound-permeable properties of the waterproof structure, sound can be transmitted more efficiently.

[0008] In one possible implementation, a portion of the waterproof structure is filled between the sidewalls of the first accommodating cavity and the sound module. The waterproof structure is filled between the sidewalls of the accommodating groove and the sound module, and the perimeter of the waterproof structure abuts against the perimeter of the first accommodating cavity, thereby wrapping around the pickup module, providing a good sealing effect and improving the waterproof performance of the sound module.

[0009] In one possible implementation, the waterproof structure is located on the side of the sound module facing the first opening. The waterproof structure covers the surface of the sound module facing the first opening, securing the sound module within the first accommodating cavity and achieving a waterproof seal, protecting the sound module from water and dust. This design minimizes the use of the waterproof structure and simplifies the process.

[0010] In one possible implementation, the waterproof structure is made of a material comprising a mixture of one or more of natural rubber, chloroprene rubber, butyl rubber, and polyurethane rubber. Materials such as natural rubber, chloroprene rubber, butyl rubber, and polyurethane rubber have unique acoustic properties, which can reduce the transmission impedance of sound and ensure efficient sound pickup. In addition, these materials are airtight, thus avoiding the problem of internal and external pressure difference of the sound module. The waterproof structure prepared by mixing one or more of natural rubber, chloroprene rubber, butyl rubber, and polyurethane rubber can better transmit sound to the environment and achieve better waterproof performance.

[0011] In one possible implementation, the waterproof structure has airtight properties and can be used to seal the sound module, protecting it from water, other liquids, dust, and other influences, thereby ensuring that the sound module functions properly in various environments. Furthermore, the waterproof structure can also avoid pressure differences between the inside and outside of the sound module. The waterproof structure in this application meets two acoustic performance requirements: 1. The acoustic impedance of the waterproof structure matches the acoustic impedance of water. Acoustic impedance is the resistance encountered by sound waves propagating in a medium, and its magnitude is equal to the product of the density of the medium and the speed at which the sound waves propagate in that medium. Therefore, the acoustic impedance of the waterproof structure is the product of the density of the waterproof structure and the speed at which the sound waves propagate in the waterproof structure, while the acoustic impedance of water is the product of the density of water and the speed at which the sound waves propagate in water. The difference in the acoustic impedances of the two media determines the reflection coefficient at the interface between the two media. The smaller the difference in the acoustic impedances of the two media, the less reflection at the interface between the two media, and the more energy that transmits through the second medium (here, the second medium refers to the waterproof structure). Conversely, the larger the difference in the acoustic impedances of the two media, the more reflection at the interface between the two media and the less energy that transmits through the second medium. Because the acoustic impedance of the waterproof structure matches that of water, sound waves can pass through the waterproof structure without reflection and reach the sound module. 2. When sound waves pass through the waterproof structure, the waterproof structure minimizes sound energy loss. Therefore, the waterproof structure can reduce the sound transmission impedance and ensure efficient sound transmission.

[0012] In one possible implementation, at least a portion of the waterproof structure is disposed on the outer surface of the watchband. The watchband has an inner surface and an outer surface. The inner surface is the surface of the watchband that contacts the skin of the wrist, while the outer surface does not. The outer surface is the surface opposite the inner surface and does not contact the wrist. The waterproof structure is configured to transmit sound, and at least a portion of the waterproof structure is disposed on the outer surface of the watchband and covers the first opening.

[0013] The waterproof structure is designed on the outer surface, so it doesn't come into contact with the skin on the wrist, preventing sound from being blocked by the skin, which facilitates sound transmission. Furthermore, the design considers user comfort and the fit of the strap against the skin. By placing the waterproof structure on the outer surface, the inner surface of the strap is smoother, reducing friction and discomfort on the skin and improving wearing comfort. When sound is transmitted from the outside through the waterproof structure to the sound module, it is not blocked by the wrist, resulting in better sound transmission.

[0014] Compared to cases where the sound module is located inside the watch body, the available surface area is limited. However, when the sound module is located on the outer surface of the watch band, the waterproof structure has a wider range of options, allowing users to choose the most appropriate waterproof structure area based on their needs. This helps increase the sound transmission area, resulting in a clearer and louder sound signal.

[0015] In one possible implementation, at least a portion of the waterproof structure is disposed on a side surface of the watchband. The watchband also includes a side surface. The side surface is connected between the inner surface and the outer surface. At least a portion of the waterproof structure is disposed on the side surface of the watchband and covers the first opening, which allows the sound module to have a larger area for sound transmission with the external environment. Furthermore, the first opening can face different directions, which facilitates sound transmission between the sound module and the environment from multiple directions through the waterproof structure, allowing for quick determination of the direction of sound transmission.

[0016] In one possible implementation, the watch strap has a first connection end for connecting to the watch body, and the sound module is disposed near the first connection end. With this design, when a user uses the wearable device, the sound module is closer to the user's vocalization site and ears, making it easier for the sound module to capture the user's voice and transmit the sound to the user's ears.

[0017] In one possible implementation, the watchband includes a strap body and a clasp, and the sound module is disposed within the strap body and / or the clasp. The sound module can be disposed within the strap body, the clasp, or both. The clasp has a certain thickness and storage space. Placing the sound module within the clasp eliminates the need for space on the strap and facilitates integration with other modules on the clasp.

[0018] In one possible implementation, the sound module is plate-shaped, and its thickness aligns with that of the watchband. The sound pickup module is arranged within the first accommodating cavity along the thickness of the watchband. This not only better accommodates the watchband's structure but also allows the micro-electromechanical system to have a larger surface area for capturing sound from the first opening, thereby enhancing the micro-electromechanical system's sound collection capabilities and thereby better receiving sound signals and achieving better sound capture.

[0019] In one possible implementation, the waterproof structure includes a sound-transmitting membrane, the sound module includes a substrate and a micro-electromechanical sound system, and the micro-electromechanical sound system is fixed on the base surface of the substrate; the sound-transmitting membrane covers the outer surface of the micro-electromechanical sound system, and the sound-transmitting membrane and the base surface are sealed and connected so as to be selected according to needs under a specific process.

[0020] In one possible implementation, the waterproof structure includes a sound-permeable membrane that covers the sound module. Enclosing the sound module with the sound-permeable membrane not only improves the sound module's sealing and waterproofing, but also provides support for the sound module, ensuring its structural stability.

[0021] In one possible implementation, the MEMS sound system includes at least one of a capacitive MEMS sound system and a piezoelectric MEMS sound system. A capacitive MEMS sound system converts sound signals into capacitance changes, then uses MEMS technology to convert these capacitance changes into digital signals for processing and storage, before converting the digital signals into sound signals for output. This system offers advantages such as high sensitivity, wide frequency response, and low noise. A piezoelectric MEMS sound system converts sound signals into piezoelectric changes, then uses MEMS technology to convert these piezoelectric changes into digital signals for processing and storage, before converting the digital signals into sound signals for output. This system offers advantages such as fast response, small size, and low power consumption. The MEMS sound system is secured to the base surface of a substrate, and an acoustically transparent membrane covers the outer surface of the MEMS sound system, with the membrane and base surface being hermetically sealed. In this embodiment, the MEMS sound system employs either a capacitive MEMS sound system or a piezoelectric MEMS sound system, enabling wearable devices to possess advantages such as high sensitivity, low power consumption, miniaturization, and fast response. This system can provide a better sound recognition and acquisition experience, enriching the functionality and application scenarios of wearable devices.

[0022] In one possible implementation, the watch strap includes a connecting end, which is used to connect to the watch body of the wearable device; a first channel is provided in the watch strap, one end of the first channel has a second opening on the end face of the connecting end, and the other end of the first channel is connected to the first accommodating cavity; a first electrical contact is provided in the second opening, the first electrical contact is sealed and connected to the inner wall surface of the first channel, the first electrical contact is used to contact and electrically connect with the second electrical contact of the watch body, a first transmission line is provided in the first channel, one end of the first transmission line is electrically connected to the first electrical contact, and the other end of the first transmission line extends into the first accommodating cavity and is electrically connected to the sound module.

[0023] The strap and watch body are detachably connected. A first electrical contact is electrically connected to one end of a first transmission line. The other end of the first transmission line extends into the first accommodating cavity and is electrically connected to the sound module. The first electrical contact contacts the watch body. The detachable connection between the watch body and strap allows for personalized customization. Furthermore, the strap is more easily replaced, saving maintenance costs and extending the life of the wearable device.

[0024] In one possible implementation, the watchband has a spring ear, which serves as the first electrical contact. The watchband can be detachably connected to the watch body via the spring ear. The spring ear has a spring ear head. The first electrical contact can be a spring ear head, which has a conductive function. One end of the first transmission line is electrically connected to the spring ear head, and the other end of the first transmission line extends into the first accommodating cavity and is electrically connected to the sound module. With this design, the spring ear not only serves as a detachable connection structure between the watchband and the watch body, but also as an electrical connection structure between the watchband and the watch body.

[0025] In one possible implementation, the watchband includes multiple first channels, each of which forms second openings on the end surface of the connection end corresponding to the multiple first electrical contacts. The number of first channels within the watchband may be two, three, four, or more. Multiple wires with different functions are provided within the multiple first channels, each of which transmits different signals without interfering with the other, thereby improving signal transmission efficiency and quality.

[0026] In one possible implementation, the watch strap is further provided with a first wireless communication module, which is electrically connected to the sound module and configured to communicate with a second wireless communication module within the watch body. Through the first and second wireless communication modules, the sound module can establish a wireless communication connection with the processor, enabling the transmission of electrical signals. This avoids the complexity of wiring design required for wired connections and the inconvenience of replacing the watch strap and watch body. Wireless communication technology eliminates the need for dedicated wiring channels, resulting in better sealing and reducing the risk of waterproofing associated with wired connections.

[0027] In one possible implementation, a battery module and a wireless charging module are further provided in the watch strap, and the battery module is electrically connected to the sound module, and the wireless charging module is electrically connected to the battery module. The battery module and the wireless charging module can be located close to the sound module or away from the sound module in the watch strap. Wireless charging technology mainly uses electromagnetic induction, magnetic field resonance or electric field coupling to transfer electrical energy from a charging device to a receiving device. When the wireless charger is close to a wearable device, it can automatically charge the wearable device and store the electrical energy in the battery module, thereby providing the required electrical energy for the wearable device. The wireless charging design makes the use of wearable devices more convenient and improves waterproofness.

[0028] In one possible implementation, the watch strap also includes a first processing module, the first processing module is electrically connected to the sound module, and the first processing module includes at least one of a filtering module, an amplifying module, a sampling module, a demodulation module, and a decoding module. The first processing module processes the signal transmitted by the sound module. The first processing module includes at least one of a filtering module, an amplifying module, a sampling module, a demodulation module, and a decoding module. The first processing module may include a filtering module and an amplifying module, the filtering module and the amplifying module are located in the watch strap, while the sampling module, the demodulation module, and the decoding module are located in the watch body. This embodiment places some functional modules in the watch strap, which can free up part of the space inside the watch body, improve the utilization rate of the spatial structure, reduce the volume and mass of the watch body, and make the weight distribution of the wearable device more even.

[0029] In one possible implementation, the watchband includes multiple sound modules, which are spaced apart. Environmental sound propagates to the wearable device from multiple directions. The spaced-apart arrangement of multiple sound modules not only captures the time domain information of the sound signal, but also its spatial domain information. This allows for signal transmission while suppressing noise from other directions, providing the user with a better auditory experience.

[0030] In one possible implementation, the sound module includes a substrate and multiple micro-electromechanical sound systems located on the substrate. The substrate is laid flat within the watchband, and the multiple micro-electromechanical sound systems are arranged at intervals. The multiple micro-electromechanical sound systems are arranged at intervals on the substrate, and can be located on the upper and lower sides of the substrate. The multiple micro-electromechanical sound systems are electrically connected in series or parallel to form an array sound module. Environmental sound propagates to the wearable device from multiple directions. The multiple micro-electromechanical sound systems are arranged at intervals on the substrate, enabling the superposition of sound signals, effectively improving the quality of the sound signals.

[0031] In a second aspect, the present application provides a wearable device comprising a watch body and a watch strap as described above, wherein the watch body and the watch strap are an integrated structure or are detachably connected.

[0032] In this application, the sound module of the wearable device is located outside the watch body, avoiding the need for sound pickup and sound emission holes on the watch body and improving the overall sealing of the watch body. The waterproof structure contacts the sound module to secure the sound module within the first accommodating cavity, preventing it from easily falling out. The sound module includes a sound pickup module and / or a sound emission module, enabling sound pickup and / or playback on the watch strap. For example, when the sound module includes a sound pickup module, the sound pickup module provided on the watch strap can pick up ambient sound and convert it into an electrical signal, which can be transmitted to a processing module within the watch body. When the sound module includes a sound emission module, the sound emission module can transmit sound from the watch strap to the user's ears. When the sound module includes both a sound pickup module and a sound emission module, the watch strap can simultaneously achieve sound pickup and playback functions. Furthermore, by using a waterproof structure instead of a waterproof membrane, sound can be effectively transmitted between the sound module and the external environment, with less obstruction or attenuation, making the transmission and / or playback of sound clearer and more realistic. Furthermore, the waterproof structure can balance the pressure and acoustic resistance inside and outside the sound module, protecting the sound module and optimizing sound pickup. The watch body and watch strap have different connection methods, which can be designed according to different user needs, making the wearable device more diverse.

[0033] In one possible implementation, the watch body and the watch strap are detachably connected, the watch body has a second accommodating cavity, and the second accommodating cavity is provided with a circuit board and a processor located on the circuit board; the watch body has a second channel, one end of the second channel has a third opening on the surface of the watch body, the other end of the second channel is connected to the second accommodating cavity, a second electrical contact is provided in the third opening, the second electrical contact is sealed and connected to the inner wall surface of the second channel, and the second electrical contact is electrically connected to the first electrical contact provided on the watch strap; the second channel has a second transmission line, one end of the second transmission line is electrically connected to the second electrical contact, and the other end of the second transmission line is electrically connected to the processor.

[0034] The connection between the watch strap and the watch body can be an integrated structure. The processor and the sound module can be connected by wire, with one end of the transmission line located in the first channel and electrically connected to the sound module, and the other end located in the second channel and electrically connected to the processor, to achieve signal transmission between the sound module and the processor.

[0035] The connection between the watch strap and the watch body can be detachable. The processor and the sound module can be connected by wire, and the second electrical contact and the first electrical contact are in contact with each other to achieve electrical connection, so that the wearable device has a sound function.

[0036] In a third aspect, the present application provides a watch body, which includes a shell and a lug, wherein the shell and the lug are fixedly connected or form an integrated structure; a first accommodating cavity is provided on the lug, and the first accommodating cavity has a first opening on the lug, and a sound module is provided in the first accommodating cavity, wherein the sound module includes a waterproof structure and a sound module, wherein the sound module includes a pickup module and / or a sound emitting module, and the sound module is located in the first accommodating cavity, and at least part of the waterproof structure covers the first opening, and the waterproof structure is in contact with the sound module to fix the sound module in the first accommodating cavity.

[0037] In the present application, the sound module of the wearable device is arranged in the lug, avoiding the need to provide sound pickup holes and sound emission holes in the structure of the watch body that accommodates the circuit board, thereby improving the overall sealing of the watch body. The waterproof structure contacts the sound module to fix the sound module in the first accommodating cavity, so that the sound module will not easily fall off. The sound module includes a sound pickup module and / or a sound emission module, which can realize sound pickup and / or playback on the lug. For example, when the sound module includes a sound pickup module, the sound pickup module set on the lug can pick up sounds in the environment and convert them into electrical signals, which can be transmitted to the processing module in the watch body; when the sound module includes a sound emission module, the sound emission module can transmit the sound from the lug to the user's ear; when the sound module includes a sound pickup module and a sound emission module, the lug can simultaneously realize the sound pickup and playback functions. At the same time, using a waterproof structure instead of a waterproof membrane, sound can be effectively transmitted between the sound module and the external environment, with less obstruction or attenuation, making the transmission and / or playback of sound clearer and more realistic. In addition, the waterproof structure can balance the pressure and acoustic resistance inside and outside the sound module, thereby protecting the sound module and optimizing sound pickup.

[0038] In one possible implementation, the first accommodating cavity includes a accommodating groove, the first opening includes a notch of the accommodating groove, and at least a portion of the waterproof structure covers the notch. Compared to other forms of first accommodating cavities, the area of ​​the notch of the accommodating groove can be designed to be larger, so that the area for sound transmission is also larger, which is conducive to the sound module picking up more sound. At least a portion of the waterproof structure covers and seals the notch to ensure that the waterproof structure covers and seals the notch, thereby preventing impurities such as moisture and dust from entering the accommodating groove and protecting the sound module from damage. At the same time, due to the sound permeability of the waterproof structure, sound can be effectively transmitted.

[0039] In one possible implementation, the watch body includes an outer surface and an inner surface, the inner surface being configured to contact the skin, and the first opening being located on the outer surface. The waterproof structure is configured to transmit sound, and the first opening is designed on the outer surface of the lug. The first opening does not contact the skin of the wrist, and sound is not blocked by the skin, thereby facilitating sound transmission. Furthermore, the design should consider the user's wearing comfort and the fit between the watch body and the skin. By locating the first opening on the outer surface, the inner surface of the watch body can be made smoother, reducing friction and discomfort on the skin and improving wearing comfort.

[0040] In one possible implementation, the waterproof structure is made of a material comprising a mixture of one or more of natural rubber, chloroprene rubber, butyl rubber, and polyurethane rubber. Materials such as natural rubber, chloroprene rubber, butyl rubber, and polyurethane rubber have unique acoustic properties, namely, they can reduce the transmission impedance of sound and ensure the optimization of sound pickup. In addition, these materials are airtight, thus avoiding the problem of internal and external pressure difference of the sound module. The waterproof structure prepared by mixing one or more of natural rubber, chloroprene rubber, butyl rubber, and polyurethane rubber can better transmit sound to the environment.

[0041] In one possible implementation, the waterproof structure includes a sound-transmitting membrane, and the sound pickup module includes a substrate and a micro-electromechanical system. The micro-electromechanical system is fixed to the base surface of the substrate, and the sound-transmitting membrane covers the outer surface of the micro-electromechanical system. The sound-transmitting membrane and the base surface are sealed. The micro-electromechanical system can be fixed to only one base surface of the substrate, or to both the upper and lower base surfaces of the substrate. The micro-electromechanical system is compact and has excellent heat resistance, vibration resistance, and radio frequency interference resistance, while also providing superior sound pickup performance.

[0042] In one possible implementation, the waterproof structure includes a sound-permeable membrane that covers the sound module. Enclosing the sound module with the sound-permeable membrane not only improves the sound module's sealing and waterproofing, but also provides support for the sound module, ensuring its structural stability.

[0043] In one possible implementation, the watchband includes multiple sound modules, which are spaced apart and located within the same first accommodating cavity. Alternatively, there are multiple first accommodating cavities, with at least some of the sound modules located in different first accommodating cavities. Environmental sound propagates to the wearable device from multiple directions, and the spacing of the multiple sound modules allows for the acquisition of both time-domain and spatial-domain information of the sound signal, enabling the suppression of noise from other directions while transmitting the signal, providing the user with a better auditory experience.

[0044] In one possible implementation, the sound module includes a substrate and multiple micro-electromechanical sound systems located on the substrate. The multiple micro-electromechanical sound systems are arranged at intervals, and at least some of the micro-electromechanical sound systems are located on the side of the substrate near the first opening. The multiple micro-electromechanical sound systems are arranged at intervals on the substrate, and can be located on the upper and lower sides of the substrate, respectively. The multiple micro-electromechanical sound systems are electrically connected in series or in parallel to form an array sound module. Sound in the environment propagates to the wearable device from multiple directions. The multiple micro-electromechanical sound systems are arranged at intervals on the substrate, which can achieve the superposition of sound signals, effectively improving the quality of the sound signals.

[0045] In a fourth aspect, the present application provides a wearable device comprising a watch strap and a watch body as described in any of the above, wherein the watch body and the watch strap are integrally formed or detachably connected. In this application, the sound module of the wearable device is disposed within the lug, eliminating the need for sound pickup and sound emission holes in the structure of the watch body that houses the circuit board, thereby improving the overall sealing of the watch body. The waterproof structure and the sound module are in contact with each other to secure the sound module within the first accommodating cavity, preventing the sound module from easily falling out. The sound module includes a sound pickup module and / or a sound emission module, enabling sound pickup and / or playback on the lug. For example, when the sound module includes a sound pickup module, the sound pickup module disposed on the lug can pick up ambient sound and convert it into an electrical signal, which can be transmitted to a processing module within the watch body. When the sound module includes a sound emission module, the sound emission module can transmit sound from the lug to the user's ear. When the sound module includes both a sound pickup module and a sound emission module, the lug can simultaneously perform sound pickup and playback functions. At the same time, the use of a waterproof structure instead of a waterproof membrane allows sound to be effectively transmitted between the sound module and the external environment, with less obstruction or attenuation, making the transmission and / or playback of sound clearer and more realistic. Furthermore, the waterproof structure balances the pressure and acoustic resistance inside and outside the sound module, protecting the sound module and optimizing sound pickup. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] FIG1 is a schematic diagram of the three-dimensional structure of a wearable device provided in an embodiment of the present application;

[0047] FIG2 is another schematic diagram of the three-dimensional structure of the wearable device provided in an embodiment of the present application;

[0048] FIG3 is a schematic cross-sectional view along AA in FIG2 ;

[0049] FIG4 is a schematic cross-sectional view of the watchband along BB in FIG2 ;

[0050] FIG5 is a schematic cross-sectional view of a watch strap along BB in another embodiment provided by the present application;

[0051] FIG6 is a schematic cross-sectional view of a watch strap along BB in another embodiment provided by the present application;

[0052] FIG7 is a schematic cross-sectional view of a watch strap along BB in another embodiment provided by the present application;

[0053] FIG8 is a schematic cross-sectional view of a watch strap along BB in another embodiment provided by the present application;

[0054] FIG9 is a schematic cross-sectional view of a watch strap along BB in another embodiment provided by the present application;

[0055] FIG10 is a schematic diagram of a watchband with a plurality of first openings on its outer surface provided in an embodiment of the present application;

[0056] FIG11 is a schematic cross-sectional view of the watchband along CC in FIG10 ;

[0057] FIG12 is a schematic cross-sectional view of a watch strap taken along CC in another embodiment provided by the present application;

[0058] FIG13 is a schematic diagram of a watchband with a first opening on its outer surface and side surface provided in an embodiment of the present application;

[0059] FIG14 is a schematic cross-sectional view of the strap along DD in FIG13 ;

[0060] FIG15 is a schematic cross-sectional view of a watch strap along DD in another embodiment provided by the present application;

[0061] FIG16 is a schematic cross-sectional view of a watch strap along DD in another embodiment provided by the present application;

[0062] FIG17 is a schematic cross-sectional view of a watch strap along DD in another embodiment provided by the present application;

[0063] FIG18A is a schematic diagram showing a first opening on the outer surface of a watchband as a waist-shaped hole provided in an embodiment of the present application;

[0064] FIG18B is a schematic diagram showing a first opening on the outer surface of a watchband as a square hole provided in an embodiment of the present application;

[0065] FIG18C is a schematic diagram showing a first opening on the outer surface of a watchband as a circular hole provided in an embodiment of the present application;

[0066] FIG19A is a schematic diagram showing a waist-shaped hole as a first opening on the side of a watchband provided in an embodiment of the present application;

[0067] FIG19B is a schematic diagram showing a first opening on the side of a watchband as a circular hole provided in an embodiment of the present application;

[0068] FIG19C is a schematic diagram showing a first opening on the side of a watchband as a square hole provided in an embodiment of the present application;

[0069] FIG20 is a schematic structural diagram of a wearable device according to another embodiment of the present application;

[0070] FIG21 is a schematic diagram of the structure of a piezoelectric micro-electromechanical sound system provided by the present application;

[0071] FIG22 is a schematic diagram of the connection between the watch strap and the watch body provided in an embodiment of the present application;

[0072] FIG23 is a schematic diagram of a wired connection between a watch strap and a watch body according to another embodiment of the present application;

[0073] FIG24 is a partial cross-sectional schematic diagram of a first electrical contact provided in an embodiment of the present application along the line EE in FIG2 ;

[0074] FIG25 is a schematic diagram of the wired connection relationship between the watch strap and the watch body according to another embodiment of the present application;

[0075] FIG26 is a schematic diagram of the wireless connection between the watch strap and the watch body provided in an embodiment of the present application;

[0076] FIG27 is a schematic diagram of the structure of a sound module provided in an embodiment of the present application;

[0077] FIG28 is a schematic diagram of another embodiment of the present application in which the sound module is located at the lugs of the watch body. DETAILED DESCRIPTION

[0078] The embodiments of the present application are described below in conjunction with the drawings in the embodiments of the present application.

[0079] For ease of understanding, the English abbreviations and related technical terms involved in the embodiments of this application are explained and described below.

[0080] It should be clear that the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0081] The terms used in the embodiments of the present application are for the purpose of describing specific embodiments only and are not intended to limit the present application. The singular forms "a", "an", "the" and "the" used in the embodiments of the present application and the appended claims are also intended to include plural forms unless the context clearly indicates otherwise.

[0082] It should be understood that the term "and / or" as used herein is simply a term used to describe the existence of three possible relationships between related objects. For example, "A and / or B" can represent the existence of A alone, the existence of both A and B, and the existence of B alone. Furthermore, the character " / " in this document generally indicates that the related objects are in an "or" relationship.

[0083] The word "if," as used herein, may be interpreted as "at the time of" or "when" or "in response to determining" or "in response to detecting," depending on the context. Similarly, the phrases "if it is determined" or "if (stated condition or event) is detected" may be interpreted as "when it is determined" or "in response to the determination" or "when detecting (stated condition or event)" or "in response to detecting (stated condition or event)," depending on the context.

[0084] It should be understood that the terms “first”, “second”, etc. used in this application are only used for the purpose of distinguishing descriptions, and cannot be understood as indicating or implying relative importance, nor can they be understood as indicating or implying an order.

[0085] In the description of this application, the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limiting this application.

[0086] When used in this application, "within the range of...", unless it is specifically stated that the end value is not included, it is assumed that both end values ​​of the range are included. For example, in the range of 1 to 5, the two values ​​1 and 5 are included.

[0087] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "install", "connect" and "connect" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, a conflicting connection or an integrated connection. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0088] Wearable devices are electronic devices that can be worn on the body, typically used to monitor health data, record exercise activity, receive notifications, and interact with other devices. These devices typically take the form of watches, glasses, headphones, and bracelets. Wearable electronics with communication capabilities have greatly facilitated people's lives. In recent years, with the growing popularity of diving, the market for wearable devices with diving capabilities has gradually expanded. More and more users are paying attention to the performance of wearable devices in underwater scenarios, placing higher demands on their communication performance.

[0089] The present application provides a wearable device 10, which can be a wrist product with a strap structure such as a watch or a bracelet. There is no limitation on the type of the wearable device 10. The present application takes the wearable device 10 as a watch as an example for explanation. As shown in Figures 1 and 2, Figures 1 and 2 are structural schematic diagrams of the wearable device 10 provided in the present application. The wearable device 10 includes a watch body 110 and a watch strap 120. The watch body 110 is the main part of the wearable device 10, which is used to realize the display and interaction functions of the wearable device 10. The watch strap 120 is used to connect to the watch body 110, thereby wearing the wearable device 10 on the user's wrist.

[0090] The watch body 110 includes a housing 111, a display screen 112, and other electronic components. The housing 111 and the display screen 112 enclose a cavity that houses electronic components such as the motherboard, battery, and sensors, thereby providing protection for the electronic components. The housing 111 includes a bezel and a back cover. Exemplarily, the bezel is the side portion of the watch body 110 along its thickness. The inner wall of the bezel is fixedly connected to the outer wall of the display screen 112. The bezel provides support and protection for the entire wearable device 10 and can be made of materials such as metal, plastic, ceramic, or an alloy. As shown in Figure 1, in this embodiment of the present application, the cross-section of the bezel is circular. In other embodiments, the cross-section of the bezel can also be rectangular, square, or oval, among other shapes. The edge of the back cover is fixedly connected to the bezel so that the back cover fits over the lower end of the bezel, allowing it to contact the user's wrist when worn. The bezel and back cover can be integral or separate structures.

[0091] The strap 120 is connected to the watch body 110 and may include a first strap 121 and a second strap 122. The first strap 121 and the second strap 122 are connected to opposite sides of the watch body 110, forming the body portion of the strap 120. The first strap 121 and the second strap 122 are used in conjunction with each other. The end of the first strap 121 away from the watch body 110 is provided with a first locking portion 1211, and the end of the second strap 122 away from the watch body 110 is provided with a second locking portion 1221. The first locking portion 1211 and the second locking portion 1221 interlock to form the clasp 123 of the strap 120, thereby securing the wearable device 10 to the user's wrist. It should be understood that the clasp 123 may be a snap, insert, hook, pin, or folding clasp. Those skilled in the art may employ different strap-worn configurations based on the design and functionality of the watch, and this application does not specifically limit this configuration. The strap 120 may be a flexible band that can bend under external force, thereby conveniently fitting to the user's wrist. In the embodiment of the present application, the strap 120 is made of rubber. Of course, the strap 120 may also be made of other materials, such as leather, nylon, or metal, and this embodiment of the present application does not specifically limit this. It should be noted that when the strap 120 is made of metal, it is composed of multiple single-link links connected to each other.

[0092] In one possible embodiment, the watch strap 120 may be an integrally formed single-section watch strap. The watch strap 120 is made of an elastic material, and both ends of the integrally formed watch strap 120 are connected to the watch body 110 respectively.

[0093] Existing wearable devices 10 with communication functions usually have a sound module installed in the body 110, and a sound hole is opened on the shell 111. The sound hole is connected to the sound module, allowing sound to enter or exit the wearable device 10. There is a support net and a waterproof membrane in the sound hole. The support net is located near the sound hole and can be a grid-like structure made of materials such as metal or plastic. It is mainly used to resist external impact and vibration, and provide structural support and protection for the sound module. At the same time, the support net can also guide external moisture or other impurities away from the sound module, reducing interference with the sound module.

[0094] The waterproof membrane is a thin film structure with waterproof and breathable properties. The membrane fits snugly around the sound holes, preventing moisture from entering the watch body 110. The membrane's waterproof properties are primarily achieved by preventing moisture from entering through the membrane's micropores. The membrane is also sound-permeable. When sound passes through the membrane's surface, it transmits the sound waves from the outside to the sound module inside the watch body 110, or transmits them out from the sound module inside the watch body 110. However, the presence of the membrane prevents sound from passing through it unimpeded, weakening the sound signal and affecting the clarity and volume of the sound.

[0095] In order to meet higher waterproof requirements, the waterproof level of the waterproof membrane needs to be improved. The higher the waterproof level, the smaller the air permeability of the waterproof membrane. When the waterproof membrane reaches a certain level, it will rely on the vibration of the waterproof membrane itself to transmit sound, and the waterproof membrane has almost no air permeability at this time, and the entire watch body 110 can be in a nearly closed state. When the pressure inside the watch body 110 is inconsistent with the external pressure, the waterproof membrane is prone to deformation. For example, when wearing the wearable device 10 for diving, as the diving depth increases, the external water pressure is greater than the pressure inside the watch body 110, and the air pressure on both sides of the waterproof membrane cannot be balanced, causing the waterproof membrane to deform. And because the waterproof membrane itself has almost no air permeability, it is impossible to achieve balance between the air pressure on both sides of the waterproof membrane in a short time. After the waterproof membrane is deformed, its vibration amplitude is limited, resulting in the sound picked up by the sound module becoming smaller or abnormal. In addition, structures such as open sound pickup holes place high demands on the waterproofness and structural design of the wearable device 10.

[0096] In addition, since the internal space of the watch body 110 is limited, designing the sound module inside the watch body 110 will not only be restricted by the internal space, but will also occupy the internal space, which is not conducive to the layout of other structures and components inside the watch body 110. It is also difficult to design a bilateral sound module or a multi-array sound module within the limited space of the watch body 110.

[0097] The present application provides a watchband 120, as shown in FIG2 , which is a schematic diagram of the three-dimensional structure of the wearable device 10 provided in the present application. The watchband 120 includes a sound module 130 disposed within the watchband 120 and a waterproof structure 131 disposed on the surface of the watchband 120. The sound module 130 includes a sound pickup module 132 and / or a sound emission module 133. The sound pickup module 132 is an energy conversion device that converts sound signals into electrical signals, commonly referred to as a microphone. The sound emission module 133 is an electroacoustic transducer device that converts audio electrical signals into sound signals, commonly referred to as a speaker. The sound module 130 is located within the watchband 120, meaning that the sound pickup module 132 of the wearable device 10 can be located within the watchband 120; the sound emission module 133 of the wearable device 10 can also be located within the watchband 120; or both the sound pickup module 132 and the sound emission module 133 of the wearable device 10 can be located within the watchband 120, with the sound pickup module 132 and the sound emission module 133 operating independently and without interfering with each other.

[0098] The waterproof structure 131 is provided on the surface of the watchband 120 and is used to transmit sound. The waterproof structure 131 in this application meets two acoustic performance requirements: 1. The acoustic impedance of the waterproof structure 131 matches the acoustic impedance of water. Acoustic impedance is the resistance encountered by sound waves propagating in a medium, and its magnitude is equal to the product of the density of the medium and the speed at which the sound waves propagate in that medium. Therefore, the acoustic impedance of the waterproof structure 131 is the product of the density of the waterproof structure 131 and the speed at which the sound waves propagate in the waterproof structure 131, while the acoustic impedance of water is the product of the density of water and the speed at which the sound waves propagate in water. The difference in the acoustic impedances of the two media determines the reflection coefficient at the interface between the two media. The smaller the difference in the acoustic impedances of the two media, the less reflection at the interface between the two media, and the more energy that transmits through the second medium (here, the second medium refers to the waterproof structure 131). Conversely, the larger the difference in the acoustic impedances of the two media, the more reflection at the interface between the two media and the less energy that transmits through the second medium. Because the acoustic impedance of waterproof structure 131 matches that of water, sound waves can pass through waterproof structure 131 without reflection and reach sound module 130. 2. When sound waves pass through waterproof structure 131, waterproof structure 131 minimizes sound energy loss. Therefore, waterproof structure 131 can reduce the sound transmission impedance and ensure efficient sound transmission.

[0099] The waterproof structure 131 is airtight and seals the sound module 130, protecting it from water, other liquids, dust, and other influences, thereby ensuring that the sound module 130 functions properly in various environments. Furthermore, the waterproof structure 131 prevents pressure differences between the inside and outside of the sound module 130. The waterproof structure 131 can be a one-piece structure or a spliced ​​structure formed by combining multiple materials. At least a portion of the waterproof structure 131 is sound-permeable, ensuring sound transmission.

[0100] In one embodiment, the sound module 130 includes a sound pickup module 132, which is located inside the watch strap 120. The waterproof structure 131 covers the surface of the watch strap 120 and seals the sound pickup module 132. The waterproof structure 131 not only transmits external sounds to the sound pickup module 132, but also has a waterproof function, preventing external water, other liquids, and dust from entering the interior of the watch body 110, protecting the sound pickup module 132 from damage.

[0101] In one embodiment, the sound module 130 includes a sound module 133, which is located within the watchband 120. The waterproof structure 131 covers the surface of the watchband 120 and seals the sound module 133. The waterproof structure 131 can transmit the sound of the sound module 133 to the outside world and has a waterproof function, preventing external water, other liquids, and dust from entering the interior of the watch body 110, thereby protecting the sound module 133 from damage.

[0102] In one embodiment, the sound module 130 includes a sound pickup module 132 and a sound emission module 133. The sound pickup module 132 and the sound emission module 133 are located within the watch strap 120. A waterproof structure 131 covers the surface of the watch strap 120 and seals the sound pickup module 132 and the sound emission module 133. The waterproof structure 131 transmits external sound to the sound pickup module 132 and transmits the sound of the sound emission module 133 to the outside world. The waterproof structure 131 has a waterproof function, preventing external water, other liquids, and dust from entering the interior of the watch body 110, thereby protecting the sound module 130 from damage.

[0103] The wearable device 10 provided herein places the sound module 130 outside the watch body, avoiding the need for a sound pickup hole in the watch body 110 and reducing the waterproofing issues associated with the hole in the watch body 110. Furthermore, the sound module 130 is sealed with a waterproof structure 131, which not only prevents sound attenuation but also ensures efficient sound transmission from the sound module 130. Furthermore, the device has excellent waterproof performance, protecting the sound module 130 from damage.

[0104] For example, the present application takes the sound module 130 as the sound pickup module 132 as an example for explanation, and FIG2 shows a schematic diagram of the sound pickup module 132 being located inside the strap 120. Of course, in other embodiments, the sound emission module 133 or both the sound pickup module 132 and the sound emission module 133 can be disposed inside the strap 120 according to actual needs.

[0105] In some possible implementations, referring to Figures 2 and 3, Figure 3 is a schematic cross-sectional view taken along line AA of Figure 2. A first accommodating cavity 124 is provided on the strap 120. The first accommodating cavity 124 has a first opening 1241 on the surface of the strap 120. The sound pickup module 132 of the wearable device 10 is located within the first accommodating cavity 124. The waterproof structure 131 is in contact with the sound pickup module 132, and at least a portion of the waterproof structure 131 covers and seals the first opening 1241. The waterproof structure 131 is closely attached to the inner side of the first opening 1241 and covers the first opening 1241. The coverage area of ​​the waterproof structure 131 at the first opening 1241 can be greater than or equal to the area of ​​the first opening 1241, thereby ensuring that the waterproof structure 131 can cover the first opening 1241, ultimately securing the sound pickup module 132 within the first accommodating cavity 124, and achieving a good seal between the first opening 1241 and the sound pickup module 132.

[0106] In one possible embodiment, referring to FIG4 , FIG4 is a schematic cross-sectional view of the strap 120 along the BB line when the pickup module 132 is located within the strap 120 in FIG2 . The waterproof structure 131 is filled between the sidewall of the first accommodating cavity 124 and the pickup module 132 .

[0107] The first accommodating cavity 124 on the strap 120 may include an accommodating groove 1242, and accordingly, the first opening 1241 may include a notch of the accommodating groove 1242. Compared with other forms of first accommodating cavities 124, the area of ​​the notch of the accommodating groove 1242 can be designed to be larger, so that the area for sound transmission is also larger, which is conducive to picking up more sound. The sound pickup module 132 may include a micro electromechanical system (MEMS) 1321 and a substrate 1322, and the micro electromechanical system 1321 is fixed on the base surface of the substrate 1322. The micro electromechanical system 1321 can be fixed only on one base surface of the substrate 1322 as shown in Figure 4, or it can be fixed on the upper and lower base surfaces of the substrate 1322. Compared with the traditional sound pickup module 132, the micro electromechanical system 1321 is smaller in size, has stronger heat resistance, vibration resistance and anti-radio frequency interference performance, and has a better sound pickup effect. The waterproof structure 131 may include a sound-permeable membrane 1311, which is used to wrap around the sound pickup module 132. The perimeter of the sound-permeable membrane 1311 abuts against the perimeter of the first accommodating cavity 124, filling the gap between the sidewalls of the accommodating groove 1242 and the sound pickup module 132, providing a good seal and enhancing the waterproof performance of the sound pickup module 132. The sound-permeable membrane 1311 located in the positive Y direction effectively picks up external sound and prevents external water and impurities from contacting the sound pickup module 132. The sound-permeable membrane 1311 located in the X direction both prevents external water and impurities from contacting the sound pickup module 132 and provides support for the sound pickup module 132. The sound-permeable membrane 1311 located in the negative Y direction primarily supports the sound pickup module 132.

[0108] In a possible embodiment, as shown in FIG5 , the waterproof structure 131 is located on the side of the sound module 130 facing the first opening 1241. The sound pickup module 132 is disposed in the first accommodating cavity 124 and abuts against the periphery of the first accommodating cavity 124. One surface of the sound-transmitting membrane 1311 covers the outer surface of the micro-electromechanical sound system 1321, and the outer surface of the micro-electromechanical sound system 1321 refers to the surface of the micro-electromechanical sound system 1321 facing the first opening 1241. The other surface covers the first opening 1241. The sound-transmitting membrane 1311 fixes the sound pickup module 132 in the first accommodating cavity 124 to achieve a waterproof seal. The waterproof function of the sound-transmitting membrane 1311 can protect the sound module from water and dust.

[0109] In one embodiment, the area of ​​the acoustically transparent membrane 1311 can be larger than the area of ​​the first opening 1241. Referring to Figure 6 , the sound pickup module 132 is located within the first accommodating cavity 124, and the outer surface of the micro-electromechanical sound system 1321 of the sound pickup module 132 is flush with the first opening 1241. The acoustically transparent membrane 1311 covers the first opening 1241, and both sides of the membrane 1311 extend to the surface of the watchband 120, smoothly connecting with the surface of the watchband 120, thereby securing the sound pickup module 132 within the first accommodating cavity 124 and achieving a seal for the sound pickup module 132.

[0110] In one embodiment, as shown in FIG7 , the sound pickup module 132 is located within the first accommodating cavity 124, and the upper surface (surface on one side in the Y direction) of the sound pickup module 132 is lower than the edge of the first opening 1241. The upper surface (surface on one side in the Y direction) of the sound pickup module 132 is recessed downward (in the opposite Y direction) relative to the upper surface (surface on one side in the Y direction) of the strap 120. The sound-transmitting membrane 1311 fills the space between the first accommodating cavity 124 and the sound pickup module 132, then covers the first opening 1241. Both sides of the sound-transmitting membrane 1311 extend to the surface of the strap 120, smoothly connecting with the surface of the strap 120, thereby securing the sound pickup module 132 within the first accommodating cavity 124 and achieving a seal for the sound pickup module 132.

[0111] In one embodiment, referring to Figure 8, the sound pickup module 132 is located in the first accommodating cavity 124, and the upper surface of the sound pickup module 132 is higher than the edge of the first opening 1241. The upper surface of the sound pickup module 132 protrudes upward (in the Y direction) relative to the first opening 1241. The sound-transmitting membrane 1311 covers the outer surface of the portion of the sound pickup module 132 protruding from the strap 120, and both sides of the sound-transmitting membrane 1311 extend to the surface of the strap 120 and are smoothly connected to the surface of the strap 120 to fix the sound pickup module 132 in the first accommodating cavity 124 and achieve sealing of the sound pickup module 132.

[0112] In one embodiment, as shown in FIG9 , the first accommodating cavity 124 on the strap 120 may include a through-hole 1243 extending through the strap 120 along its thickness, with the sound pickup module 132 positioned within the through-hole 1243. A sound-transmitting membrane 1311 is positioned on the side of the sound pickup module 132 facing the first opening 1241 and fills the through-hole 1243, securing the sound pickup module 132 within the through-hole 1243 and sealing the sound pickup module 132.

[0113] In one possible embodiment, the waterproof structure 131 can be made from a mixture of one or more of natural rubber, chloroprene rubber, butyl rubber, or cast polyurethane rubber. The waterproof structure 131 can reduce the sound transmission impedance and optimize sound pickup. The waterproof structure 131 has airtight properties, which can reduce the pressure difference between the inside and outside of the sound pickup module 132, allowing for better sound transmission with the environment and providing a good waterproof effect.

[0114] In one possible embodiment, the surface of the watchband 120 includes an inner surface 125 and an outer surface 126. As shown in FIG1 , the inner surface 125 is the surface that comes into contact with the wrist, while the outer surface 126 is the surface opposite the inner surface 125 and does not come into contact with the wrist. A first opening 1241 may be located on the outer surface 126, and at least a portion of the waterproof structure 131 is disposed on the outer surface 126 of the watchband 120 and covers the first opening 1241. When sound from the outside world is transmitted through the first opening 1241 to the sound pickup module 132, it is not blocked by the wrist, resulting in better sound pickup.

[0115] In one embodiment, referring to FIG10 , the outer surface 126 has a plurality of first openings 1241 spaced apart from each other. FIG11 and FIG12 are schematic cross-sectional views taken along CC of FIG10 . The acoustically transparent membrane 1311 may only cover the areas where the MEMS acoustic system 1321 contacts the plurality of first openings 1241 ( FIG11 ). The acoustically transparent membrane 1311 may also cover the outer surface of the pickup module 132 ( FIG12 ).

[0116] In one possible embodiment, as shown in FIG1 , the watchband 120 further includes a side surface 1261. The side surface 1261 is connected between the inner surface 125 and the outer surface 126. At least a portion of the waterproof structure 131 is disposed on the side surface 1261 of the watchband 120 and covers the first opening 1241. It is understood that the waterproof structure 131 may be located only on the outer surface 126 (as shown in FIG10 ) or may be located on both the outer surface 126 and the side surface 1261 (as shown in FIG13 ).

[0117] In some possible embodiments, Figures 14 to 17 illustrate that first openings 1241 are provided on both the outer surface 126 and the side surface 1261, and that the waterproof structure 131 covers and seals the first openings 1241. Figures 14 to 17 are schematic cross-sectional views taken along line DD of Figure 13. Referring to Figure 14 , the first accommodating cavity 124 is a accommodating groove 1242. The first opening 1241 on the side surface 1261 can be located on the sidewall of the accommodating groove 1242, and the first opening 1241 is not connected to the bottom of the accommodating groove 1242. Referring to Figure 15 , the first accommodating cavity 124 is a accommodating groove 1242. The first opening 1241 on the side surface 1261 can be located on the sidewall of the accommodating groove 1242, and the first opening 1241 is not connected to the bottom of the accommodating groove 1242. Referring to Figure 16 , the first accommodating cavity 124 is a accommodating groove 1242. The first opening 1241 on the side surface 1261 can be located on the sidewall of the receiving groove 1242, and the first opening 1241 is connected to the bottom of the receiving groove 1242. The sound pickup module 132 is located in the receiving groove 1242, and the micro-electromechanical sound system 1321 of the sound pickup module 132 can be located on the upper and lower base surfaces of the substrate 1322. Because sound can come from different directions, this design can ensure that the sound pickup module 132 has a larger area to pick up sound, thereby facilitating the acquisition of more sound. Referring to Figure 17, the first receiving cavity 124 is a through hole 1243. The first opening 1241 on the side surface 1261 can be located on the sidewall of the through hole 1243, and the first opening 1241 is not connected to the bottom of the through hole 1243. The micro-electromechanical sound system 1321 of the sound pickup module 132 located in the through hole 1243 can be located on the upper and lower base surfaces of the substrate 1322. Of course, in other embodiments, the position of the first opening 1241 on the side 1261 relative to the position of the first accommodating cavity 124 can vary, and this application will not list them all here. The covering method of the sound-transmitting membrane 1311 over the sound pickup module 132 and the first opening 1241 is similar to that of the above embodiment, and will not be repeated here.

[0118] In one possible embodiment, it is also possible that the first opening 1241 is in any other appropriate shape. For example, the first opening 1241 may be in a shape such as a waist, a circle, an oval, a square or an irregular shape. The number of the first openings 1241 on the outer surface 126 and the side surface 1261 may be multiple. For example, four first openings 1241 are provided on the outer surface 126, and one first opening 1241 is provided on the side surface 1261; or one first opening 1241 is provided on the outer surface 126, and four first openings 1241 are provided on the side surface 1261. It will be understood that in some other embodiments, the number of the first openings 1241 on the outer surface 126 and the side surface 1261 may be any number, and a matching design may be made according to actual needs.

[0119] For example, FIG18A shows that the first openings 1241 are arranged in the form of waist-shaped holes on the outer surface 126 at intervals. FIG18B shows that the first openings 1241 are arranged in an array in the form of square holes on the outer surface 126. FIG18C shows that the first openings 1241 are arranged in an array in the form of circular holes on the outer surface 126. FIG19A shows that the first openings 1241 are designed in the form of waist-shaped holes on the side 1261. FIG19B shows that the first openings 1241 are arranged in the form of circular holes on the side 1261 at intervals. FIG19C shows that the first openings 1241 are arranged in the form of square holes on the side 1261 at intervals. The first openings 1241 can be arranged in any manner on the outer surface 126 and the side 1261 in any number and any shape, and this application does not limit this.

[0120] In one embodiment, the area of ​​the first opening 1241 may be no less than 1 mm². The maximum area of ​​the first opening 1241 may be the area of ​​the entire surface of the watchband 120. The area of ​​the first opening 1241 can be designed based on the size of the watchband 120. For example, the area of ​​the first opening 1241 can be within the range of 1 mm² to 100 cm². The outer surface 126 has multiple first openings 1241 spaced apart. The area of ​​the first opening 1241 refers to the sum of the areas of all first openings 1241 located on the outer surface 126 and the side surface 1261. Compared to when the sound pickup module 132 is located inside the watch body 110, the area of ​​the openings available on the watch body 110 for sound collection is limited. However, when the sound pickup module 132 is located on the watchband 120, the range of sizes for the first openings 1241 for sound collection is wider, allowing the most appropriate area of ​​the first opening 1241 to be selected based on needs. This helps increase the sound transmission area and produce a sound signal with improved clarity and volume.

[0121] In one possible embodiment, as shown in FIG3 , the watch strap 120 further includes a connecting end 127 , which is located at the end closest to the watch body 110 and is configured to connect to the watch body 110 of the wearable device 10 . The watch body 110 further includes lugs 113 , located at opposite ends of the watch body 110 and including an upper lug 1131 and a lower lug 1132 . The lugs 113 are configured to connect to the watch strap 120 . FIG3 shows four lugs 113 . It will be appreciated that this number of lugs 113 is merely an example, and in other possible embodiments, any number of lugs 113 may be used. The lugs 113 located at the same end of the watch body 110 are spaced apart and opposed to each other. Opposing mounting holes (not shown) are formed on the inner side of each lug 113 . The mounting holes may be blind holes or through holes, and are not specifically defined herein.

[0122] Continuing with FIG3 , the watchband 120 includes a first watchband 121 and a second watchband 122. The first watchband 121 is configured to connect to the lower lug 1132 of the watch body 110, while the second watchband 122 is configured to connect to the upper lug 1131 of the watch body 110. When the user wears the wearable device 10, the first watchband 121 is positioned closer to the user. The first watchband 121 has a first connecting end 1271, which is configured to connect to the lower lug 1132. The first watchband 121 is provided with a first accommodating cavity 124, which houses a sound pickup module 132. The sound pickup module 132 is positioned near the first connecting end 1271. For example, the distance between the sound pickup module 132 and the first connecting end 1271 can be between 1 cm and 5 cm. When the user uses the wearable device 10, the sound pickup module 132 is closer to the user's vocalization site, making it easier for the sound pickup module 132 to capture the user's voice.

[0123] In one embodiment, a first accommodating cavity 124 may be provided on the first strap 121, and a first accommodating cavity 124 may also be provided on the second strap 122. The first accommodating cavity 124 of the first strap 121 may have a sound pickup module 132, and the first accommodating cavity 124 of the second strap 122 may have a sound emitting module 133.

[0124] In one possible embodiment, the strap 120 includes a strap body and a clasp 123, and the sound module 130 is disposed in the strap body and / or the clasp 123. The sound module 130 can be disposed in the strap body, in the clasp 123, or in both the strap body and the clasp 123. This embodiment is described by taking the example of the sound module 130 being located in the clasp 123. Referring to FIG. 20 , the clasp 123 is provided with a first accommodating cavity 124, in which the sound module 130 is located. The sound module 130 may include a pickup module 132. The clasp 123 has a certain thickness and accommodating space. By arranging the pickup module 132 on the clasp 123, it is possible to avoid occupying space in the strap 120 and to be more conveniently combined with other modules on the clasp 123. When the sound-transmitting membrane 1311 and the sound pickup module 132 are located on the buckle 123 , the situation is similar to that when the sound-transmitting membrane 1311 and the sound pickup module 132 are located on the strap 120 , and this application will not go into details here.

[0125] In some other embodiments, the strap and the clasp 123 may both be provided with a first accommodating cavity 124, wherein a sound module 130 is provided in the first accommodating cavity 124. The sound module 130 may include a sound pickup module 132 and a sound emission module 133. The sound pickup module 132 may be located in the clasp 123, and the sound emission module 133 may be located in the strap; alternatively, the sound emission module 133 may be located in the clasp 123, and the sound pickup module 132 may be located in the strap.

[0126] In one possible embodiment, the sound pickup module 132 can be plate-shaped. When the sound pickup module 132 is placed in the first accommodating cavity 124, the thickness of the sound pickup module 132 can be aligned with the thickness of the watchband 120. The sound pickup module 132 can include a microelectromechanical sound system 1321 and a substrate 1322. The microelectromechanical sound system 1321 is fixed to the base surface of the substrate 1322. The microelectromechanical sound system 1321 can be fixed to only one base surface of the substrate 1322 as shown in FIG4 , or it can be fixed to both the upper and lower base surfaces of the substrate 1322. The sound pickup module 132 is laid out in the first accommodating cavity 124 along the thickness direction of the watchband 120. This not only better adapts to the structure of the watchband 120, but also allows the microelectromechanical sound system 1321 to have a larger surface to capture sound from the first opening 1241, thereby enhancing the sound collection capability of the microelectromechanical sound system 1321, thereby better receiving sound signals and achieving better sound acquisition results.

[0127] In one possible embodiment, as shown in FIG5 , the sound pickup module 132 is disposed within the first accommodating cavity 124 and abuts against the periphery of the first accommodating cavity 124. One surface of the acoustically transparent membrane 1311 covers the outer surface of the MEMS acoustic system 1321 and is sealed to the base surface of the substrate 1322. The outer surface of the MEMS acoustic system 1321 refers to the surface of the MEMS acoustic system 1321 facing the first opening 1241. The other surface covers the first opening 1241. The acoustically transparent membrane 1311 secures the sound pickup module 132 within the first accommodating cavity 124, achieving a waterproof seal.

[0128] In one possible embodiment, the MEMS sound system 1321 includes at least one of a capacitive MEMS sound system and a piezoelectric MEMS sound system. The capacitive MEMS sound system utilizes capacitive sensors and MEMS technology to achieve sound acquisition and playback. Sound signals are converted into capacitance changes by the capacitive MEMS sound system, which are then converted into digital signals for processing and storage using MEMS technology. Finally, the digital signals are converted into sound signals for output. Capacitive MEMS sound systems have advantages such as high sensitivity, wide frequency response, and low noise. Piezoelectric MEMS sound systems utilize piezoelectric sensors and MEMS technology to achieve sound acquisition and playback. Sound signals are converted into piezoelectric changes by the piezoelectric MEMS sound system, which are then converted into digital signals for processing and storage using MEMS technology. Finally, the digital signals are converted into sound signals for output. They have advantages such as fast response speed, small size, and low power consumption.

[0129] This embodiment uses a piezoelectric MEMS acoustic system as an example. Figure 21 shows the structure of the piezoelectric MEMS acoustic system. The piezoelectric MEMS acoustic system includes a first electrode layer L1, a piezoelectric layer L2, and a second electrode layer L3. The first electrode layer L1 and the second electrode layer L3 can be made of platinum or titanium. The piezoelectric layer L2 can be made of any piezoelectric material including aluminum nitride, piezoelectric ceramic, and zinc oxide. Of course, in some other embodiments, the piezoelectric layer can also be made of other materials, which are not specifically described here. The piezoelectric layer L2 is located between the first electrode layer L1 and the second electrode layer L3, and the second electrode layer L3 is directly disposed on the substrate 1322. The overlapping area of ​​the vertical projections of the first electrode layer L1, the piezoelectric layer L2, and the second electrode layer L3 onto the substrate 1322 serves as the piezoelectric driving functional area. When an acoustic signal is transmitted to the piezoelectric layer L2, the piezoelectric layer L2 generates a charge change, which can be further converted into a digital signal. The MEMS acoustic system 1321 is fixed on the base surface of the substrate 1322 . The sound-transmitting membrane 1311 covers the outer surface of the MEMS acoustic system 1321 . The sound-transmitting membrane 1311 and the base surface of the substrate 1322 are sealed.

[0130] In this embodiment, the micro-electromechanical sound system 1321 adopts a capacitive micro-electromechanical sound system or a piezoelectric micro-electromechanical sound system, which can enable the wearable device 10 to have the advantages of high sensitivity, low power consumption, miniaturization and fast response, and can provide a better sound recognition and collection experience, enriching the functions and application scenarios of the wearable device 10.

[0131] In one possible embodiment, the waterproof structure 131 may include a sound-transmitting membrane 1311, which may be coated on the outer surface of the sound pickup module 132. As shown in FIG4 , the sound-transmitting membrane 1311 may completely enclose the outer surfaces of the substrate 1322 and the MEMS acoustic system 1321. Thus, the perimeter of the sound-transmitting membrane 1311 abuts against the perimeter of the first accommodating cavity 124. Using the sound-transmitting membrane 1311 to enclose the perimeter of the sound pickup module 132 not only provides a better seal and enhances the waterproof performance of the sound pickup module 132, but also provides support for the sound pickup module 132, ensuring its structural stability. In this embodiment, the sound-transmitting membrane 1311 fully encloses the sound pickup module 132. In FIG4 , a portion of the sound-transmitting membrane 1311 is also provided below the sound pickup module 132. This portion of the sound-transmitting membrane 1311 can support the sound pickup module 132 on the bottom of the first accommodating cavity of the watchband, thereby securing the sound pickup module 132 within the first accommodating cavity. Furthermore, the portion of the sound-transmitting membrane 1311 between the sound pickup module 132 and the sidewall of the first accommodating cavity can support the sound pickup module 132 between the sidewall of the first accommodating cavity, thereby securing the sound pickup module 132 within the first accommodating cavity.

[0132] In one possible embodiment, as shown in FIG22 , the watch strap 120 can be designed as an integrated structure with the watch body 110, and the sound pickup module 132 can be electrically connected to the processor 1142 in the watch body via a wired connection. The integrated structure can be achieved by directly integrating the watch body 110 and the watch strap 120 during manufacturing, or by fixing the watch body 110 and the watch strap 120 to each other via a sealant or the like, making them non-detachable. The integrated design of the watch body 110 and the watch strap 120 can achieve overall consistency and coordination of the wearable device 10. Furthermore, the connection between the watch body 110 and the watch strap 120 is more robust and less prone to loosening or damage, thereby improving the stability and durability of the wearable device 10.

[0133] Specifically, as shown in FIG22 , a first channel 128 is defined within the watch strap 120. One end of the first channel 128 has a second opening 1281 on the end surface of the connection end 127, and the other end of the first channel 128 communicates with the first accommodating cavity 124. Correspondingly, the watch body 110 may have a second channel 115. One end of the second channel 115 has a third opening 116a on the surface of the watch body 110, and the other end of the second channel 115 communicates with the second accommodating cavity 114. A transmission line 1282 is provided within the first channel 128. One end of the transmission line 1282 is electrically connected to the sound pickup module 132, and the other end extends to the second channel 115 to electrically connect to the processor 1142 in the second accommodating cavity 114, thereby enabling signal transmission between the sound pickup module 132 and the processor 1142.

[0134] In one possible embodiment, as shown in FIG23 , the strap 120 and the watch body 110 are designed to be detachable, and the sound pickup module 132 can be electrically connected to the processing module in the watch body via a wired connection. The wearable device 10 also includes a spring ear 140, through which the strap 120 is connected to the watch lug 113. The spring ear 140 includes a hollow rod 141 and a first spring ear head 142 and a second spring ear head 143 respectively provided at both ends of the rod 141. The first spring ear head 142 and the second spring ear head 143 can expand and contract axially relative to the rod 141. The connecting ends 127 of the first and second straps 121, 122 are respectively sleeved onto the outer sides of the round rod 141. When the first and second straps 121, 122 are connected to the watch lugs 113, the first and second spring lugs 142, 143 are respectively inserted into the mounting holes located opposite each other on the inner sides of the watch lugs 113 and engage with the mounting holes, thereby attaching the strap 120 to the watch body 110. The ends of the first and second straps 121, 122, facing away from the watch body 110, can be locked to each other via the first and second locking portions 1211, 1221 to complete the wearability of the wearable device 10. The watch body 110 and strap 120 are designed to be detachably connected, allowing users to choose different straps 120 according to their preferences or the needs of different occasions, achieving personalized customization. Furthermore, if the strap 120 becomes worn or broken while the watch body 110 is still functioning normally, the user can easily replace the strap 120 without having to replace the entire wearable device 10. This not only saves maintenance costs, but also extends the service life of the wearable device 10.

[0135] Continuing with Figure 23 , a first electrical contact 1283 is disposed within the second opening 1281 and is sealed to the inner wall of the first channel 128. A first transmission line 1284 is disposed within the first channel 128. One end of the first transmission line 1284 is electrically connected to the first electrical contact 1283, while the other end of the first transmission line 1284 extends into the first accommodating cavity 124 and is electrically connected to the pickup module 132. Correspondingly, a second electrical contact 1161 is disposed within the third opening 116b of the watch body 110 and is sealed to the inner wall of the second channel 115. A second transmission line 117 is disposed within the second channel 115. One end of the second transmission line 117 is electrically connected to the second electrical contact 1161, while the other end of the second transmission line 117 is electrically connected to the processor 1142. The first electrical contact 1283 on the watch strap 120 is brought into contact with the second electrical contact 1161 on the watch body 110 to achieve electrical connection between the pickup module 132 and the processor 1142 .

[0136] The first electrical contact 1283 and the second electrical contact 1161 can be designed as spring connectors (pogo pins), and the first electrical contact 1283 and the second electrical contact 1161 can be extended and retracted along the axial direction. As shown in FIG24 , FIG24 is a partial cross-sectional schematic diagram of the first electrical contact 1283 along the line EE in FIG2 . The first electrical contact 1283 includes a first spring connector, the bottom of which is electrically connected to one end of the first transmission line 1284, the other end of which extends into the first accommodating cavity 124 and is electrically connected to the sound pickup module 132. The second electrical contact 1161 includes a second spring connector, the bottom of which is electrically connected to one end of the second transmission line 117, the other end of which is electrically connected to the processor 1142. The top of the first spring connector abuts against the top of the second spring connector to electrically connect the processor 1142 in the watch body 110 to the sound pickup module 132 in the watch strap 120, thus providing the wearable device 10 with sound pickup functionality. The first electrical contact 1283 and the second electrical contact 1161 may also be designed as other structures, for example, as electrode structures, which is not limited in the present application.

[0137] In one embodiment, referring to FIG. 25 , a watchband 120 having two first channels 128 is used as an example. The watchband 120 can be detachably connected to the watch body 110 via a spring tab 140. The spring tab 140 extends across the second opening 1281, and the first electrical contact 1283 can be a first spring tab 142 and a second spring tab 143. Specifically, the first spring tab 142 and the second spring tab 143 of the spring tab 140 have a conductive function. One end of a first transmission line 1284 is connected to the first spring tab 142 (i.e., the first electrical contact 1283). The other end of the first transmission line 1284 extends into the first accommodating cavity 124 and is electrically connected to the pickup module 132. The third opening 116c can be located on the lug 113 of the watch body 110, with the second electrical contact 1161 disposed within the third opening 116c. One end of a second transmission line 117 is electrically connected to the second electrical contact 1161, and the other end of the second transmission line 117 is electrically connected to the processor 1142. The first power cord 1285 is electrically connected to the second spring ear 143 (i.e., first electrical contact 1283). The other end of the first power cord 1285 extends into the first accommodating cavity 124 and electrically connects to the pickup module 132. A third opening 116c can be located on the lug 113 of the watch body 110, with the second electrical contact 1161 disposed within the third opening 116c. One end of the second power cord 118 is electrically connected to the second electrical contact 1161, and the other end of the second power cord 118 is electrically connected to the processor 1142. When the watch strap 120 is connected to the watch body 110, the first and second spring ear 142, 143 (i.e., first electrical contact 1283) extend into the third opening 116c and contact the second electrical contact 1161 to establish an electrical connection. With this design, the spring ear 140 not only serves as a detachable connection between the watch strap 120 and the watch body 110, but also as an electrical connection between the watch strap 120 and the watch body 110. To avoid short circuit, the round rod 141 is made of non-conductive material.

[0138] The strap 120 is detachably connected to the watch body 110. When the strap 120 is damaged or the user wants to replace the strap 120 according to his or her preference, the pickup module 132 in the replaced strap 120 can be reconnected to the signal of the processor 1142 in the watch body 110 through the first electrical contact 1283 and the second electrical contact 1161.

[0139] In one possible embodiment, the watchband 120 includes multiple first channels 128 , each of which forms second openings 1281 on the end surface of the connection end 127 , corresponding to the multiple first electrical contacts 1283 . A power cord is disposed within at least one first channel 128 , with both ends of the power cord electrically connected to the first electrical contact 1283 and the sound module 130 , respectively. The watchband 120 may include multiple first channels 128 and multiple first electrical contacts 1283 . Multiple first channels 128 form multiple second openings 1281 on the end surface of the connection end 127 , with the multiple first electrical contacts 1283 and the multiple second openings 1281 connected one-to-one. Correspondingly, the watch body 110 may include multiple second channels 115 and multiple second electrical contacts 1161. Multiple second channels 115 form multiple third openings on the surface of the watch body 110, and the multiple second electrical contacts 1161 are connected one-to-one with the multiple third openings. A first power line 1285 is provided in at least one first channel 128, and the two ends of the first power line 1285 are electrically connected to the first electrical contact 1283 and the pickup module 132, respectively. A second power line 118 is provided in at least one second channel 115, and the two ends of the second power line 118 are electrically connected to the second electrical contact 1161 and the processor 1142, respectively. Because the watch body 110 and the watch strap 120 are respectively provided with multiple second channels 115 and first channels 128, when the first electrical contact 1283 contacts the second electrical contact 1161, the electrical connection between the sound pickup module 132 and the processor 1142 is established, which not only enables signal transmission between the sound pickup module 132 and the processor 1142, but also provides power to the sound pickup module 132. Figures 20 and 25 both illustrate a case where the watch strap 120 has two first channels 128, each of which is provided with a first transmission line 1284 and a first power line 1285. The number of first channels 128 in the watch strap 120 may also be three, four, or even more, and this is not limited in this application. It should be noted that the first transmission line 1284 and the first power line 1285 shown in Figure 20 are located inside the watch strap 120, rather than on the surface of the watch strap 120.

[0140] In one possible embodiment, when the sound pickup module 132 is electrically connected wirelessly, as shown in Figure 26, a first wireless communication module 1244 is also provided in the first accommodating cavity 124 of the strap 120. The first wireless communication module 1244 is electrically connected to the sound pickup module 132, and the first wireless communication module 1244 is used to communicate with the second wireless communication module 119 in the watch body 110.

[0141] The first wireless communication module 1244 and the second wireless communication module 119 may include a Bluetooth communication module, a wireless fidelity (Wi-Fi) communication module, or a near field communication (NFC) module. Through the first wireless communication module 1244 and the second wireless communication module 119, the sound pickup module 132 can establish a wireless communication connection with the processor 1142 to achieve the transmission of electrical signals, thereby avoiding the inconvenience of a wired connection. By using wireless communication technology, there is no need to set up a special channel for wiring, the sealing is better, and the waterproof risk caused by the wired connection is reduced.

[0142] Since the watch strap 120 is detachable, if the watch strap 120 is damaged or the user wants to replace the watch strap 120 according to their preference, the sound module 130 in the replaced watch strap 120 can reconnect to the watch body 110 by pairing the first wireless communication module 1244 with the second wireless communication module 119. The use of the wireless communication module not only facilitates the transmission of electrical signals from the watch strap 120 to the watch body 110, but also improves the flexibility of the sound pickup module 132.

[0143] In one possible embodiment, as shown in FIG26 , the watchband 120 further includes a battery module 1245 and a wireless charging module 1246. The battery module 1245 is electrically connected to the sound pickup module 132, and the wireless charging module 1246 is electrically connected to the battery module 1245. The battery module 1245 and the wireless charging module 1246 can be located within the watchband 120 near or away from the sound pickup module 132. In one possible embodiment, as shown in FIG26 , the battery module 1245 and the wireless charging module 1246 can be located on the clasp 123 of the watchband 120. Wireless charging technology primarily utilizes electromagnetic induction, magnetic field resonance, or electric field coupling to transfer electrical energy from a charging device to a receiving device. When the wireless charger is in proximity to the wearable device 10, it automatically charges the wearable device 10 and stores the energy in the battery module 1245, thereby providing the wearable device 10 with the required power. This wireless charging design makes the use of the wearable device 10 more convenient and efficient.

[0144] In one possible embodiment, the watchband 120 also includes a first processing module 150, which is electrically connected to the sound pickup module 132. The first processing module 150 includes at least one of a filtering module, an amplifying module, a sampling module, a demodulating module, and a decoding module. The amplifying module is used to increase the strength of the electrical signal, enabling better transmission and processing. The filtering module is used to filter and process the electrical signal to remove noise and interference, thereby improving its quality. The sampling module resamples the electrical signal, converting it from a continuous-time signal into a discrete-time, continuous-amplitude signal. After passing through the sampling module, the electrical signal is further converted into a digital sound signal. The demodulating module is used to demodulate the audio modulation signal from the received signal. The decoding module is used to compress or decompress the digital sound signal. For example, if the digital sound signal is encoded in a compressed format, the decoding module needs to perform decoding processing to restore the compressed digital sound signal to the original sound signal. After passing through the sound pickup module 132, the sound is converted into an electrical signal, which is then processed by the first processing module 150. The first processing module may include a filtering module and an amplifying module, wherein the filtering module and the amplifying module are located in the watch strap 120 , while the sampling module, the demodulation module and the decoding module are located in the watch body 110 .

[0145] It should be noted that when the sound module 133 is located in the first accommodating cavity of the watch strap, the sound module 133 is the receiving end of the signal, that is, the sound module 133 receives the signal from the processor 1142. The first processing module 150 may include at least one of a coding module, a modulation module, a digital-to-analog conversion module, and a power module. Among them, the coding module mainly converts the signal transmitted by the processor 1142 into a digital signal. The modulation module mainly converts the digital signal into a signal suitable for transmission at the transmitting end. The digital-to-analog conversion module mainly converts the digital signal into an analog signal. The power module mainly amplifies the power of the signal and amplifies the signal to sufficient power to overcome the noise and interference in the channel. After receiving the signal from the processor 1142, the sound module 133 is processed by the first processing module 150 to play the sound signal.

[0146] In one possible embodiment, as shown in FIG. 20 , multiple sound modules 130 are spaced apart. These multiple sound modules 130 can be located within the same first accommodating cavity 124, or the strap 120 can have multiple first accommodating cavities 124, with at least some of the sound modules 130 located in different first accommodating cavities 124. Each first accommodating cavity 124 is equipped with one or more sound pickup modules 132. Environmental sound propagates to the wearable device 10 from multiple directions. The spaced-apart arrangement of multiple sound modules 130 allows for the acquisition of not only temporal but also spatial information of the sound signal, enabling the user to pick up the signal while suppressing noise from other directions, providing a better auditory experience for the user.

[0147] In one embodiment, multiple sound modules 130 are arranged at intervals, and multiple sound modules 130 can be located in the same first accommodating cavity 124. The sound module 130 includes a sound pickup module 132 and a sound emission module 133. Multiple sound pickup modules 132 and sound emission modules 133 can be located in the same first accommodating cavity 124.

[0148] In one embodiment, multiple sound modules 130 are spaced apart, and the strap 120 has multiple first accommodating cavities 124, with at least some of the sound modules 130 located in different first accommodating cavities 124. The sound modules 130 include a sound pickup module 132 and a sound emission module 133. The first strap 121 and the second strap 122 each have a first accommodating cavities 124. The sound pickup module 132 is located in the first accommodating cavity 124 of the first strap 121, and the sound emission module 133 is located in the first accommodating cavity 124 of the second strap 122. Alternatively, the sound pickup module 132 is located in the first accommodating cavity 124 of the second strap 122, and the sound emission module 133 is located in the first accommodating cavity 124 of the first strap 121. Alternatively, the sound emission module 133 is located in the first accommodating cavity 124 of the first strap 121 and the second strap 122. Alternatively, the sound pickup module 132 is located in the first accommodating cavity 124 of the second strap 122, and the sound emission module 133 is located in the first accommodating cavity 124 of the first strap 121. Alternatively, the sound emission module 133 is located in the first accommodating cavity 124 of both the first strap 121 and the second strap 122. Alternatively, the sound pickup module 132 is located in the first accommodating cavity 124 of both the first strap 121 and the second strap 122.

[0149] In one embodiment, multiple sound modules 130 are spaced apart, and the strap 120 has multiple first accommodating cavities 124, with at least some of the sound modules 130 located in different first accommodating cavities 124. The sound modules 130 include a sound pickup module 132 and a sound emission module 133. The first strap 121 has multiple first accommodating cavities 124, and the sound pickup module 132 is located in the multiple first accommodating cavities 124 of the first strap 121; alternatively, the sound emission module 133 is located in the multiple first accommodating cavities 124 of the first strap 121; alternatively, the sound pickup module 132 and the sound emission module 133 are respectively located in different first accommodating cavities 124 on the first strap 121.

[0150] In one embodiment, multiple sound modules 130 are spaced apart, and the strap 120 has multiple first accommodating cavities 124, with at least some of the sound modules 130 located in different first accommodating cavities 124. The sound module 130 includes a sound pickup module 132 and a sound emission module 133. The body and clasp 123 of the strap 120 each have multiple first accommodating cavities 124. The sound pickup module 132 is located in the first accommodating cavity 124 of the body, and the sound emission module 133 is located in the first accommodating cavity 124 of the clasp 123. Alternatively, the sound pickup module 132 is located in the first accommodating cavity 124 of the clasp 123, and the sound emission module 133 is located in the first accommodating cavity 124 of the body. Alternatively, ... both the body and the clasp 123. Alternatively, the sound pickup module 132 is located in the first accommodating cavity 124 of the clasp 123, and the sound emission module 133 is located in the first accommodating cavity 124 of the body. Alternatively, the sound emission module 133 is located in the first accommodating cavity 124 of both the body and the clasp 123. Alternatively, the sound pickup module 132 is located in the first accommodating cavity 124 of both the body and the clasp 123.

[0151] It is understandable that the sound pickup module 132 and the sound emitting module 133 can be distributed in a variety of ways within the strap 120 and can be designed accordingly based on actual needs, which is not limited here.

[0152] In one possible embodiment, as shown in FIG27 , the sound module 130 includes a substrate 1322 and a plurality of micro-electromechanical sound systems 1321 located on the substrate. The substrate 1322 is laid flat inside the strap 120. The plurality of micro-electromechanical sound systems 1321 are arranged at intervals on the substrate 1322. The plurality of micro-electromechanical sound systems 1321 are electrically connected in series or in parallel. The micro-electromechanical sound systems 1321 can be located on the upper and lower sides of the substrate 1322, respectively, with at least some of the micro-electromechanical sound systems 1321 located on the side of the substrate 1322 close to the first opening 1241. The plurality of micro-electromechanical sound systems 1321 are arranged at intervals on the substrate 1322, which can achieve the superposition of sound signals and effectively improve the pickup quality of the sound signals. In addition, the sound-transmitting membrane 1311 can integrally wrap the plurality of micro-electromechanical sound systems 1321, simplifying the preparation process.

[0153] In one embodiment, multiple MEMS sound systems 1321 are spaced apart and arranged on a substrate 1322. The MEMS sound systems 1321 can be either MEMS sound pickup systems or MEMS sound generation systems. The MEMS sound pickup systems are located on the upper surface of the substrate 1322, while the MEMS sound generation systems are located on the lower surface of the substrate 1322. The MEMS sound pickup systems are located on the upper surface of the substrate 1322, closer to the first opening 1241 than the MEMS sound generation systems, facilitating sound acquisition.

[0154] In one embodiment, multiple micro-electromechanical sound systems 1321 are arranged at intervals on a substrate 1322. The micro-electromechanical sound system 1321 can be a micro-electromechanical pickup system or a micro-electromechanical sound generating system. The micro-electromechanical pickup system and the micro-electromechanical sound generating system are distributed at intervals on the upper base surface of the substrate 1322, and the micro-electromechanical pickup system and the micro-electromechanical sound generating system are also distributed at intervals on the lower base surface of the substrate 1322.

[0155] In one embodiment, multiple micro-electromechanical sound systems 1321 are arranged at intervals on a substrate 1322. The micro-electromechanical sound system 1321 can be a micro-electromechanical pickup system or a micro-electromechanical sound generation system. The micro-electromechanical pickup system and the micro-electromechanical sound generation system are distributed at intervals on the upper base surface of the substrate 1322, and the micro-electromechanical sound generation system is set on the lower base surface of the substrate 1322.

[0156] It is understandable that the multiple MEMS sound systems 1321 on the substrate 1322 can be arranged in various ways and can be designed accordingly according to actual needs, which is not limited here.

[0157] The present application provides a wearable device 10, including a watchband 120 as described in any of the above embodiments. The wearable device 10 includes a watch body 110 and a watchband 120. The watch body 110 is the main body of the wearable device 10, used to implement functions such as display and interaction of the wearable device 10. The watchband 120 is used to connect to the watch body 110, thereby allowing the wearable device 10 to be worn on the user's wrist.

[0158] The strap 120 is provided with a first accommodating cavity 124 having a first opening 1241 on the surface of the strap 120. The sound module 130 of the wearable device 10 is located in the first accommodating cavity 124. The sound module 130 includes a waterproof structure 131 and the sound module 130. The sound module 130 includes a sound pickup module 132 and / or a sound emitting module 133. The sound module 130 is located in the first accommodating cavity 124.

[0159] The waterproof structure 131 is in contact with the sound module 130, with at least a portion of the waterproof structure 131 covering and sealing the first opening 1241. The waterproof structure 131 is closely attached to the inner side of the first opening 1241 and covers the first opening 1241. The coverage area of ​​the waterproof structure 131 at the first opening 1241 can be greater than or equal to the area of ​​the first opening 1241, thereby ensuring that the waterproof structure 131 can cover the first opening 1241. Ultimately, the sound module 130 is secured within the first accommodating cavity 124, achieving a good seal between the first opening 1241 and the sound module 130.

[0160] In the present application, the sound module 130 of the wearable device 10 is arranged outside the watch body 110, avoiding the opening of a sound hole on the watch body 110 and improving the overall sealing of the watch body 110. The waterproof structure 131 is in contact with the sound module 130 to fix the sound module 130 in the first accommodating cavity 124, and the sound module 130 will not fall off easily. At the same time, by using the waterproof structure 131 instead of the waterproof membrane, the sound can effectively realize the mutual transmission between the sound module 130 and the external environment, with less obstruction or attenuation, making the transmission and / or playback of the sound clearer and more realistic. In addition, the waterproof structure 131 can also balance the pressure and acoustic resistance inside and outside the sound module 130, thereby protecting the sound module 130 and optimizing the sound pickup. The watch body 110 and the strap 120 have different connection methods and can be designed according to different user needs, making the wearable device 10 more diverse in form.

[0161] Continuing with FIG. 22 , the watch body 110 has a second accommodating cavity 114 , within which is disposed a circuit board 1141 and a processor 1142 located on the circuit board 1141 . The processor 1142 may include one or more processing units, such as an application processor (AP), a modem processor, a graphics processing unit (GPU), an image signal processor (ISP), a controller, a video codec, a digital signal processor (DSP), a baseband processor, or a neural-network processing unit (NPU). The different processing units may be independent devices or integrated into one or more processors. The sound pickup module 132 processes the electrical signal and needs to further transmit it to the processor 1142 within the watch body 110 to achieve signal transmission and communication. The connection between the sound pickup module 132 and the processor 1142 may be wired or wireless.

[0162] When the connection between the sound pickup module 132 and the processor 1142 is wired, a second electrical contact 1161 is disposed within the third opening 116a of the watch body 110 and is sealed to the inner wall of the second channel 115. A second transmission line 117 is disposed within the second channel 115, one end of which is electrically connected to the second electrical contact 1161, and the other end of which is electrically connected to the processor 1142. Correspondingly, a first electrical contact 1283 is disposed within the second opening 1281 of the watch strap 120 and is sealed to the inner wall of the first channel 128. A first transmission line 1284 is disposed within the first channel 128, one end of which is electrically connected to the first electrical contact 1283, and the other end of which extends into the first accommodating cavity 124 and is electrically connected to the sound pickup module 132. The first electrical contact 1283 on the watch strap 120 is brought into contact with the second electrical contact 1161 on the watch body 110 to achieve electrical connection between the pickup module 132 and the processor 1142 .

[0163] The first electrical contact 1283 and the second electrical contact 1161 can be designed as spring connectors, which can be extended and retracted along the axial direction. As shown in FIG24 , FIG24 is a partial cross-sectional schematic diagram of the first electrical contact 1283 along line EE in FIG2 . The first electrical contact 1283 includes a first spring connector, the bottom of which is electrically connected to one end of the first transmission line 1284. The other end of the first transmission line 1284 extends into the first accommodating cavity 124 and is electrically connected to the sound pickup module 132. The second electrical contact 1161 includes a second spring connector, the bottom of which is electrically connected to one end of the second transmission line 117. The other end of the second transmission line 117 is electrically connected to the processor 1142. The top of the first spring connector abuts against the top of the second spring connector to electrically connect the processor 1142 in the watch body 110 to the sound pickup module 132 in the watch strap 120, thus enabling the wearable device 10 to have sound pickup functionality. The first electrical contact 1283 and the second electrical contact 1161 may also be designed as other structures, for example, as electrode structures, which is not limited in the present application.

[0164] In one possible embodiment, referring to FIG. 28 , this embodiment has substantially the same structure as the wearable device 10 in any of the aforementioned embodiments. A first accommodating cavity 124 is defined on the lug 113, and the sound module 130 is located within the first accommodating cavity. In this embodiment, the sound-transmitting membrane 1311 and the sound pickup module 132 are located on the lug 113 of the wearable device 10. The watch body 110 includes a shell 111 and the lug 113, which are fixedly connected or form an integral structure. The lug is provided with a first accommodating cavity 124, which has a first opening 1241 on the lug. The sound-transmitting membrane 1311 and the sound pickup module 132 are located within the first accommodating cavity 124, with at least a portion of the sound-transmitting membrane 1311 covering the first opening 1241. The sound-transmitting membrane 1311 and the sound pickup module 132 are in contact with each other to secure the sound pickup module 132 within the first accommodating cavity 124.

[0165] The sound pickup module 132 includes a first processing module 150, which is electrically connected to the sound pickup module 132 and includes at least one of a filtering module, an amplification module, a sampling module, a demodulation module, and a decoding module. The first processing module 150 processes the electrical signal. The lug 113 also includes a first wireless communication module 1244, which establishes a wireless communication connection with the second wireless communication module 119 and transmits signals from the sound pickup module 132 to the processor 1142.

[0166] A battery module 1245 and a wireless charging module 1246 are also provided in the lug 113. The battery module 1245 is electrically connected to the sound pickup module 132, and the wireless charging module 1246 is electrically connected to the battery module 1245. By placing the sound pickup module 132 in the lug 113, the waterproof problem caused by the opening of the watch body is avoided, making it difficult for the electronic components inside the watch body 110 to enter the water. At the same time, the sound-permeable membrane 1311 has both sound-permeable and waterproof functions, and the sound is less obstructed or attenuated, making the sound clearer and more realistic. In addition, the sound-permeable membrane 1311 can also balance the pressure and acoustic resistance inside and outside the sound pickup module 132, thereby protecting the sound pickup module 132 and optimizing sound pickup.

[0167] The present application provides a wearable device 10, comprising the watch body 110 described in any one of the above embodiments.

[0168] The wearable device 10 includes a body 110 and a strap 120. The body 110 is the main part of the wearable device 10, used to realize the display and interaction functions of the wearable device 10, and the strap 120 is used to connect with the body 110, thereby wearing the wearable device 10 on the user's wrist.

[0169] The watch body 110 includes a housing 111 and a lug 113, which are fixedly connected or integrally formed. A first accommodating cavity 124 is defined in the lug 113. The first accommodating cavity 124 has a first opening 1241 on the lug 113. The sound module 130 is located within the first accommodating cavity. An acoustically transparent membrane 1311 and a sound pickup module 132 are located within the first accommodating cavity 124. At least a portion of the acoustically transparent membrane 1311 covers the first opening 1241. The acoustically transparent membrane 1311 and the sound pickup module 132 contact each other, securing the sound pickup module 132 within the first accommodating cavity 124.

[0170] In the present application, the sound module 130 of the wearable device 10 is arranged in the ear 113, which avoids the need to open a sound hole on the structure of the watch body 110 that accommodates the circuit board, thereby improving the overall sealing of the watch body. The waterproof structure 131 is in contact with the sound module 130 to fix the sound module 130 in the first accommodating cavity 124, and the sound module 130 will not fall off easily. At the same time, by using the waterproof structure 131 instead of the waterproof membrane, the sound can effectively realize the mutual transmission between the sound module 130 and the external environment, with less obstruction or attenuation, making the transmission and / or playback of the sound clearer and more realistic. In addition, the waterproof structure 131 can also balance the pressure and acoustic resistance inside and outside the sound module 130, thereby protecting the sound module 130 and optimizing the sound pickup.

[0171] The present application provides a wearable device 10, comprising the strap 120 and the watch body 110 described in any of the above embodiments. The sound module 130 can be located in both the strap 120 and the lugs 113 of the watch body 110.

[0172] In the present application, the sound module 130 of the wearable device 10 is disposed inside the body 110, avoiding the need to open a sound hole in the structure of the body 110 that accommodates the circuit board, thereby improving the overall sealing of the body. At the same time, by using a waterproof structure 131 instead of a waterproof membrane, sound can be effectively transmitted between the sound module 130 and the external environment, with less obstruction or attenuation, making the transmission and / or playback of sound clearer and more realistic. In addition, the waterproof structure 131 can also balance the pressure and acoustic resistance inside and outside the sound module 130, thereby protecting the sound module 130 and optimizing sound pickup.

[0173] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present application, and should all be included in the scope of protection of the present application.

[0174] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present application, and should all be included in the scope of protection of the present application.

Claims

1. A watch strap, characterized in that: The watch strap includes a sound module arranged inside the watch strap and a waterproof structure arranged on the surface of the watch strap, the sound module includes a sound pickup module and / or a sound emission module, and the waterproof structure is used to propagate sound.

2. The watch strap according to claim 1, characterized in that: The strap is provided with a first accommodating cavity, the first accommodating cavity has a first opening on the surface of the strap, the sound module is arranged in the first accommodating cavity, and at least a part of the waterproof structure covers and seals the first opening.

3. The watch strap according to claim 2, characterized in that: Part of the waterproof structure is filled between the side wall of the first accommodating cavity and the sound module.

4. The watch strap according to claim 2, characterized in that: The waterproof structure is located on a side of the sound module facing the first opening.

5. The watch strap according to any one of claims 1 to 4, characterized in that: The waterproof structure is made of a material comprising a mixture of one or more of natural rubber, chloroprene rubber, butyl rubber and polyurethane rubber.

6. The watch strap according to any one of claims 1 to 5, characterized in that: The waterproof structure has air-impermeable properties.

7. The watch strap according to any one of claims 1 to 6, characterized in that: At least part of the waterproof structure is arranged on the outer surface of the strap.

8. The watch strap according to any one of claims 1 to 7, characterized in that: At least part of the waterproof structure is arranged on the side of the strap.

9. The watch strap according to any one of claims 1 to 8, characterized in that: The watch strap has a first connection end, the first connection end is used to connect to the watch body, and the sound module is arranged near the first connection end.

10. The watch strap according to any one of claims 1 to 9, characterized in that: The watch strap comprises a strap body and a buckle, and the sound module is arranged in the strap body and / or the buckle.

11. The watch strap according to any one of claims 1 to 10, characterized in that: The sound module is in a plate shape, and the thickness direction of the sound module is consistent with the thickness direction of the strap.

12. The watch strap according to any one of claims 1 to 11, characterized in that: The waterproof structure includes a sound-permeable membrane, the sound module includes a substrate and a micro-electromechanical sound system, and the micro-electromechanical sound system is fixed on the base surface of the substrate; The sound-transmitting membrane covers the outer surface of the micro-electromechanical acoustic system, and the sound-transmitting membrane is sealed and connected to the base surface.

13. The watch strap according to any one of claims 1 to 12, characterized in that: The waterproof structure includes a sound-permeable membrane, and the sound-permeable membrane covers the sound module.

14. The watch strap according to claim 12 or 13, characterized in that: The micro-electromechanical sound system includes at least one of a capacitive micro-electromechanical sound system and a piezoelectric micro-electromechanical sound system.

15. The watch strap according to any one of claims 1 to 14, characterized in that: The watch strap comprises a connecting end, and the connecting end is used to connect with the watch body; A first channel is provided in the watchband, one end of the first channel has a second opening on the end surface of the connecting end, and the other end of the first channel is connected to the first accommodating cavity; A first electrical contact is provided in the second opening, and the first electrical contact is sealed and connected to the inner wall surface of the first channel. The first electrical contact is used to contact and electrically connect with the second electrical contact of the watch body. A first transmission line is provided in the first channel, and one end of the first transmission line is electrically connected to the first electrical contact, and the other end of the first transmission line extends into the first accommodating cavity and is electrically connected to the sound module.

16. The watch strap according to claim 15, characterized in that: The watchband has a spring ear, and the spring ear is the first electrical contact.

17. The watch strap according to claim 15 or 16, characterized in that: The strap comprises a plurality of the first channels, and the plurality of the first channels form the second openings corresponding to the plurality of the first electrical contacts on the end surface of the connecting end; A power line is provided in at least one of the first channels, and two ends of the power line are electrically connected to the first electrical contact and the sound module respectively.

18. The watch strap according to any one of claims 1 to 17, characterized in that: The watchband is also provided with a first wireless communication module, the first wireless communication module is electrically connected to the sound module, and the first wireless communication module is used for communication connection with a second wireless communication module in the watch body.

19. The watch strap according to any one of claims 1 to 18, characterized in that: A battery module and a wireless charging module are also provided in the watch strap. The battery module is electrically connected to the sound module, and the wireless charging module is electrically connected to the battery module.

20. The watch strap according to any one of claims 1 to 19, characterized in that: The watch strap also includes a first processing module, which is electrically connected to the sound module. The first processing module includes at least one of a filtering module, an amplifying module, a sampling module, a demodulation module and a decoding module.

21. The watch strap according to any one of claims 1 to 20, characterized in that: The watchband is provided with a plurality of sound modules, and the plurality of sound modules are arranged at intervals.

22. The watch strap according to any one of claims 1 to 21, characterized in that: The sound module includes a substrate and a plurality of micro-electromechanical sound systems located on the substrate. The substrate is laid flat in the watch band, and the plurality of micro-electromechanical sound systems are arranged at intervals.

23. A wearable device, characterized in that: It comprises a watch body and the watch strap according to any one of claims 1 to 22, wherein the watch body and the watch strap are in an integrated structure or are detachably connected.

24. The wearable device according to claim 23, characterized in that: The watch body and the watch band are detachably connected, the watch body has a second accommodating cavity, and a circuit board and a processor located on the circuit board are arranged in the second accommodating cavity; The watch body has a second channel, one end of which has a third opening on the surface of the watch body, the other end of the second channel is connected to the second accommodating cavity, a second electrical contact is provided in the third opening, the second electrical contact is sealed and connected to the inner wall of the second channel, and the second electrical contact is in electrical contact with the first electrical contact provided on the watch band; A second transmission line is provided in the second channel, one end of the second transmission line is electrically connected to the second electrical contact, and the other end of the second transmission line is electrically connected to the processor.

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