Wearable device

Abstract

The utility model provides wearable equipment, and relates to the technical field of wearable equipment. The wearable device comprises a metal bezel, a circuit board and a flexible circuit board. The metal bezel is electrically connected with the flexible circuit board. A radio frequency circuit and a grounding point are arranged on the circuit board, the flexible circuit board is electrically connected with the radio frequency circuit, and the metal watch bezel is electrically connected with the grounding point. The metal bezel is configured as a main radiator of the antenna, and the flexible circuit board is configured as an auxiliary radiator of the antenna. According to the wearable device provided by the utility model, the metal bezel and the flexible circuit board are used as antenna radiators, so that the low-frequency performance of the antenna can be improved, and the positioning accuracy can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wearable devices, and in particular to a wearable device. Background Art

[0002] With the continuous development and advancement of electronic technology, users have increasingly higher requirements for the performance and appearance of wearable devices.

[0003] To enhance the aesthetics of a wearable device, a metal bezel can be used. This metal bezel can also serve as the wearable device's global navigation satellite system (GNSS) antenna. This metal bezel provides a favorable radiation pattern and, when facing the sky, offers excellent reception. It can also achieve circularly polarized antennas, further enhancing GNSS reception performance.

[0004] However, the limited size of the bezel results in lower efficiency in the low-frequency L5 band, leading to inaccurate positioning. Utility Model Content

[0005] The utility model provides a wearable device. By using a metal bezel and a flexible circuit board as antenna radiators, the wearable device can increase the low-frequency performance of the antenna and improve the positioning accuracy.

[0006] The present invention provides a wearable device comprising a metal bezel, a circuit board and a flexible circuit board; wherein:

[0007] The metal bezel is electrically connected to the flexible circuit board;

[0008] A radio frequency circuit and a grounding point are provided on the circuit board, the flexible circuit board is electrically connected to the radio frequency circuit, and the metal bezel is electrically connected to the grounding point;

[0009] The metal bezel is configured as a main radiator of the antenna, and the flexible circuit board is configured as a secondary radiator of the antenna.

[0010] The wearable device provided in the embodiment of the present application uses a metal bezel as the main radiator of the GNSS antenna. Since the metal material has good electrical conductivity, it can effectively receive and conduct GNSS signals. Therefore, the metal bezel as an antenna can enhance the signal reception capability and improve positioning accuracy. In addition, the metal bezel has high mechanical strength and stability, is not easily deformed or damaged, and can maintain good performance under various environmental conditions. It also has many advantages such as aesthetics, durability, multi-functional integration, interference shielding, ease of manufacturing, cost-effectiveness and thermal management, and is suitable for various devices that require high-precision positioning and durability. In addition, the metal bezel can also well realize hemispherical radiation and right-handed polarization, and well realize GNSS reception. By setting the flexible circuit board as the secondary radiator of the GNSS antenna, the length of the antenna radiator can be extended, solving the problem of insufficient length of the metal bezel when used as an L5 low-frequency antenna, and can well realize L1 and L5 dual-frequency performance, thereby effectively improving the performance of the GNSS antenna.

[0011] In a possible implementation, the metal bezel is electrically connected to the flexible circuit board via pins.

[0012] By electrically connecting the metal bezel and the flexible circuit board through the pin, the connection reliability between the metal bezel and the flexible circuit board can be improved. Components connected through the pins are usually easy to plug and unplug, easy to install and replace, and convenient for subsequent maintenance, which can reduce maintenance costs.

[0013] In a possible implementation, the pins are fixedly connected to the circuit board by means of horizontal welding.

[0014] It's important to note that flat soldering provides a stable electrical connection and mechanical fixation, reducing contact problems. This soldering method ensures consistent connection between each pin and pad, improving product quality and consistency. Because the solder joints are on the same plane, visual inspection and quality control are facilitated. Therefore, flat soldering between pins and the circuit board improves connection reliability, facilitates visual inspection and quality control, and ensures product quality.

[0015] In a possible implementation, a metal dome is provided on the circuit board, the metal dome is electrically connected to the radio frequency circuit, and the metal dome is electrically connected to the flexible circuit board.

[0016] The metal shrapnel is provided to electrically connect the radio frequency circuit and the flexible circuit board. In addition, the metal shrapnel facilitates assembly and reduces assembly difficulty, thereby achieving a stable electrical connection between the radio frequency circuit and the flexible circuit board.

[0017] In a possible implementation, the flexible circuit board is provided with a fixing portion that cooperates with the metal spring; wherein,

[0018] The fixing portion is a conductive structure, and the metal spring is electrically connected to the flexible circuit board through the fixing portion.

[0019] The fixing portion is provided to reduce the difficulty of assembling the metal dome and the flexible circuit board, thereby improving assembly efficiency. By providing a conductive structure on the fixing portion, the electrical connection between the metal dome and the flexible circuit board can be achieved by simply connecting the fixing portion to the metal dome.

[0020] In a possible implementation, the wearable device further includes a middle frame; wherein,

[0021] The middle frame includes a bottom wall and side walls, the metal bezel is connected to the side walls of the middle frame, and part of the structure of the flexible circuit board is attached to the inner side of the metal bezel, and part of the structure is attached to the bottom wall of the middle frame.

[0022] By setting up the middle frame, a mounting position can be provided for the metal bezel and the flexible circuit board, and support can be provided for the metal bezel and the flexible circuit board, thereby increasing the connection stability between the metal bezel and the flexible circuit board and improving the service life of the wearable device.

[0023] In a possible implementation, the metal bezel includes a screw hole structure; wherein,

[0024] The screw hole structure is located on the inner side of the metal bezel;

[0025] The screw hole structure corresponds to the grounding point, and the metal bezel is electrically connected to the grounding point through the screw hole structure.

[0026] By electrically connecting the metal bezel and the grounding point through a screw hole structure, the difficulty of achieving electrical connection between the metal bezel and the grounding point is reduced, thereby reducing processing costs.

[0027] In a possible implementation, a support column is provided on the bottom wall; wherein,

[0028] In the thickness direction of the middle frame, the circuit board is arranged at the top end of the support column, the screw hole structure and the support column are arranged relatively spaced apart, and the circuit board is sandwiched between the screw hole structure and the circuit board;

[0029] The screw hole structure and the support column are fixedly connected by screws.

[0030] By connecting the screw hole structure and the support column with screws, the metal bezel can be fixed to the middle frame, and the metal bezel and the ground point on the circuit board can also be electrically connected. This can provide a strong mechanical fixation for the metal bezel, circuit board and middle frame, ensuring a stable connection between the circuit board and the metal bezel. This connection method can withstand the vibration and impact of wearable devices in daily use, increasing the durability of the device. Screw connection can provide stable electrical contact, ensuring low contact resistance and good conductivity. Through proper torque control, the reliability of the electrical connection can be ensured after the screws are tightened, reducing the problem of poor contact. The assembly process of screw connection is relatively simple and does not require complex tools or processes.

[0031] In addition, screw connections also facilitate disassembly and reassembly when repairs or component replacements are required, improving the maintainability of the equipment. The metal bezel is connected to the circuit board via screws, which can form an effective electromagnetic shield and reduce the impact of electromagnetic interference (EMI) on the circuit board. The metal bezel generally has good thermal conductivity, and the screw connection can effectively transfer heat from the circuit board to the metal bezel, thereby helping to dissipate heat. This thermal management method helps to maintain a stable temperature of the equipment during operation and extend the service life of electronic components. Fasteners such as screws and nuts are relatively low in cost and easy to mass-produce. This connection method does not require expensive dedicated connectors or complex welding processes, reducing manufacturing costs.

[0032] In a possible implementation, there are multiple screw hole structures; wherein,

[0033] Each of the screw hole structures corresponds to one of the support columns;

[0034] Part of the screw hole structure is used to electrically connect the metal bezel to the grounding point, and part of the screw hole structure is used to fix the circuit board.

[0035] Such an arrangement can improve the connection stability of the circuit board and prevent the circuit board from shifting.

[0036] In a possible implementation, a boss is provided on the bottom wall of the middle frame, and the fixing portion is located on the top of the boss;

[0037] The fixing portion is plug-fitted with the metal spring.

[0038] The bosses provide support for the flexible circuit board's mounting bracket and bring the mounting bracket closer to the circuit board's metal spring, facilitating assembly. Furthermore, the bosses provide support for the mounting bracket, improving the stability of the connection between the metal spring and the mounting bracket. This prevents the impact of dropping the wearable device from disrupting the connection between the metal spring and the mounting bracket, potentially affecting its proper function.

[0039] In a possible implementation, the wearable device further includes an inductive structure; wherein,

[0040] The inductor structure is connected in series with the grounding point.

[0041] This configuration adjusts the antenna's input impedance to match the output impedance of the feeder or transmitter, maximizing power transmission efficiency. By appropriately selecting the inductor value, the antenna's reactance can be compensated, making it appear purely resistive at the operating frequency. The inductor, together with the antenna's capacitance, forms a resonant circuit, tunable to the antenna's resonant frequency. This allows the antenna to achieve optimal radiation efficiency and reception performance at specific frequencies. The inductor exhibits high impedance at high frequencies, preventing high-frequency noise and interference signals from entering the antenna system through the ground wire. This helps improve the antenna system's signal quality and interference resistance. Adjusting the inductor value can reduce losses in the antenna system and improve its overall efficiency. The series inductor improves the antenna's selectivity within a specific frequency band, suppressing signals outside the operating frequency band. This helps reduce out-of-band interference and improves the signal-to-noise ratio of the communication system.

[0042] The structure of the present invention and its other purposes and beneficial effects will be more clearly understood through the description of the preferred embodiments in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0044] Figure 1 This is a schematic structural diagram of a wearable device provided by an embodiment of the present utility model;

[0045] Figure 2 This is a partial structural diagram of a wearable device provided by an embodiment of the present utility model;

[0046] Figure 3 This is a schematic diagram of the structure of a circuit board of a wearable device provided by an embodiment of the present invention. Figure 1 ;

[0047] Figure 4 This is a schematic diagram of the structure of a circuit board of a wearable device provided by an embodiment of the present invention. Figure 2 ;

[0048] Figure 5 This is a schematic cross-sectional view of a wearable device provided by an embodiment of the present invention;

[0049] Figure 6 This is a schematic diagram of the cross-sectional structure of a wearable device provided by an embodiment of the present utility model.

[0050] Description of reference numerals:

[0051] 100: Wearable devices;

[0052] 110: Metal bezel;

[0053] 111: screw hole structure;

[0054] 120: circuit board;

[0055] 121: Metal shrapnel;

[0056] 122: grounding point;

[0057] 123: RF circuit;

[0058] 130: Flexible circuit board;

[0059] 131: fixed part;

[0060] 140: pin;

[0061] 150: middle frame;

[0062] 151: Bottom wall;

[0063] 152: side wall;

[0064] 153: support column;

[0065] 154: boss;

[0066] 160: screw;

[0067] 200: device body;

[0068] 300: Fixed strap. DETAILED DESCRIPTION

[0069] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0070] Wearable devices, also known as wearable smart devices, are a general term for wearable devices developed by applying wearable technology to intelligently design everyday wearables, such as glasses, gloves, watches, clothing, and shoes. A wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable devices are not just hardware devices, but also achieve powerful functions through software support, data interaction, and cloud interaction. Broadly speaking, wearable smart devices include those that are full-featured, large in size, and can achieve full or partial functions without relying on smartphones, such as smart watches or smart glasses, as well as those that focus on a certain type of application function and need to be used in conjunction with other devices such as smartphones, such as various smart bracelets and smart jewelry for vital sign monitoring.

[0071] The following description uses a smart watch as a wearable device.

[0072] The wearable device according to the embodiment of the present invention is described in detail below with reference to the accompanying drawings.

[0073] The present invention provides a wearable device 100, such as Figure 1 As shown, the wearable device 100 may include a device body 200 and a fixing strap 300 structure, and the wearable device 100 may be fixed to the user's wrist through the fixing strap 300.

[0074] like Figure 2 As shown, the device body 200 may include a metal bezel 110, a circuit board 120, and a flexible circuit board 130. The metal bezel 110 is electrically connected to the flexible circuit board 130. Figure 3 As shown, a radio frequency circuit 123 and a grounding point 122 are provided on the circuit board 120, a flexible circuit board 130 is electrically connected to the radio frequency circuit 123, and a metal bezel 110 is electrically connected to the grounding point 122. The metal bezel 110 is configured as the main radiator of the antenna, and the flexible circuit board 130 is configured as the secondary radiator of the antenna.

[0075] It should be noted that the radio frequency circuit 123 in the figure is for illustration only and does not represent an actual radio frequency circuit.

[0076] The wearable device 100 provided in the embodiments of the present application utilizes a metal bezel 110 as the primary radiator of the GNSS antenna. Due to the excellent electrical conductivity of metal materials, it can effectively receive and conduct GNSS signals. Therefore, the metal bezel 110 as an antenna can enhance signal reception capabilities and improve positioning accuracy. Furthermore, the metal bezel 110 has high mechanical strength and stability, is not easily deformed or damaged, and can maintain good performance under various environmental conditions. Furthermore, it offers advantages such as aesthetics, durability, multifunctional integration, interference shielding, ease of manufacturing, cost-effectiveness, and thermal management, making it suitable for a variety of devices requiring high-precision positioning and durability. Furthermore, the metal bezel 110 can effectively achieve hemispherical radiation and right-handed polarization, effectively enabling GNSS reception. By configuring the flexible printed circuit board 130 as the secondary radiator of the GNSS antenna, the length of the antenna radiator can be extended, resolving the issue of insufficient length when the metal bezel 110 is used as an L5 low-frequency antenna. This allows for excellent L1 and L5 dual-frequency performance, thereby effectively improving the performance of the GNSS antenna.

[0077] For example, the metal bezel 110 is electrically connected to the flexible circuit board 130 via pins 140. The pins 140 may be through-hole pins 140, surface mount pins 140, spring pins, plug pins, etc. In the present embodiment, the specific type of the pins 140 is not further limited.

[0078] By electrically connecting the metal bezel 110 and the flexible circuit board 130 through the pin 140, the connection reliability between the metal bezel 110 and the flexible circuit board 130 can be improved. The components connected through the pin 140 are usually easy to plug and unplug, easy to install and replace, convenient for subsequent maintenance, and can reduce maintenance costs.

[0079] In a possible implementation, the pins 140 are fixedly connected to the circuit board 120 by means of horizontal welding.

[0080] It should be noted that flat soldering of pins 140 provides a stable electrical connection and mechanical fixation, reducing the risk of poor contact. This soldering method ensures consistent connection between each pin 140 and the solder pad, improving product quality and consistency. Since the solder joints are on the same plane, visual inspection and quality control are facilitated. Therefore, flat soldering between pins 140 and circuit board 120 improves connection reliability, facilitates visual inspection and quality control, and ensures product quality.

[0081] Of course, in other embodiments, the pin 140 and the circuit board 120 may be fixedly connected in other ways. In the embodiment of the present application, the fixing method between the pin 140 and the circuit board 120 is not further limited.

[0082] In one possible implementation, Figure 3 and Figure 4 As shown, a metal dome 121 is provided on the circuit board 120. The metal dome 121 is electrically connected to the radio frequency circuit 123, and the metal dome 121 is also electrically connected to the flexible circuit board 130. The circuit board 120 includes two sides facing away from each other. The metal dome 121 and the grounding point 122 can be located on the same side of the circuit board 120, or on different sides of the circuit board 120. In the embodiment of the present application, the locations of the metal dome 121 and the grounding point 122 are not further limited.

[0083] Exemplarily, the material of the metal spring 121 can be copper, aluminum, silver, iron, or other conductive materials. In the embodiment of the present application, the material of the metal spring 121 is not further limited.

[0084] The metal spring 121 is provided to electrically connect the RF circuit to the flexible circuit board 130. In addition, the metal spring 121 facilitates assembly and reduces assembly difficulty, thereby achieving a stable electrical connection between the RF circuit and the flexible circuit board 130.

[0085] Correspondingly, such as Figure 5 As shown, the flexible circuit board 130 is provided with a fixing portion 131 that cooperates with the metal spring 121. The fixing portion 131 is a conductive structure, and the metal spring 121 is electrically connected to the flexible circuit board 130 through the fixing portion 131.

[0086] Exemplarily, the fixing portion 131 may be made of metal materials such as copper, aluminum, silver, and iron, or other conductive materials. In the embodiment of the present application, the material of the fixing portion 131 is not further limited.

[0087] The provision of the fixing portion 131 reduces the difficulty of assembling the metal dome 121 and the flexible circuit board 130, thereby improving assembly efficiency. By providing the fixing portion 131 with a conductive structure, the electrical connection between the metal dome 121 and the flexible circuit board 130 can be achieved by simply connecting the fixing portion 131 to the metal dome 121.

[0088] In one possible implementation, see Figure 2 As shown, the wearable device 100 further includes a middle frame 150. The middle frame 150 includes a bottom wall 151 and side walls 152. The metal bezel 110 is connected to the side walls 152 of the middle frame 150. Part of the flexible circuit board 130 is attached to the inner side of the metal bezel 110, and part of the flexible circuit board 130 is attached to the bottom wall 151 of the middle frame 150.

[0089] By setting the middle frame 150, a mounting position can be provided for the metal bezel 110 and the flexible circuit board 130, and support can be provided for the metal bezel 110 and the flexible circuit board 130, thereby increasing the connection stability between the metal bezel 110 and the flexible circuit board 130 and improving the service life of the wearable device 100.

[0090] In one possible implementation, combining Figure 2 and Figure 6 As shown, the metal bezel 110 includes a screw hole structure 111. The screw hole structure 111 is located inside the metal bezel 110. The screw hole structure 111 corresponds to the grounding point 122, and the metal bezel 110 is electrically connected to the grounding point 122 through the screw hole structure 111.

[0091] By electrically connecting the metal bezel 110 and the grounding point 122 through the screw hole structure 111 , the difficulty of achieving electrical connection between the metal bezel 110 and the grounding point 122 is reduced, thereby reducing the processing cost.

[0092] For example, support columns 153 are provided on the bottom wall 151. In the thickness direction of the middle frame 150, the circuit board 120 is disposed at the top of the support columns 153. The screw hole structure 111 is spaced apart from the support columns 153, and the circuit board 120 is sandwiched between the screw hole structure 111 and the circuit board 120. The screw hole structure 111 and the support columns 153 are fixedly connected by screws 160.

[0093] The support columns 153 create a vertical gap between the flexible circuit board 130 and the circuit board 120. If the spacing between the antenna radiators is too small, they may interfere with each other, causing changes in the radiation pattern and gain. This interference may degrade antenna performance and even cause signal distortion. The impedance of an antenna is a key parameter in its design. Appropriate spacing can help achieve good impedance matching, reduce signal reflections, and improve transmission efficiency. The radiation pattern of an antenna determines its radiation intensity in different directions. By adjusting the spacing between the radiators, the antenna's radiation pattern can be optimized to meet the needs of specific applications. The multipath effect refers to the signal reaching the receiver through different paths, resulting in signal distortion. Appropriate spacing can reduce the multipath effect and improve signal quality and stability.

[0094] By connecting the screw hole structure 111 and the support column 153 through the screw 160, the metal bezel 110 can be fixed to the middle frame 150, and the metal bezel 110 can also be electrically connected to the grounding point 122 on the circuit board 120. This can provide a firm mechanical fixation for the metal bezel 110, the circuit board 120 and the middle frame 150, ensuring a stable connection between the circuit board 120 and the metal bezel 110. This connection method can withstand the vibration and impact of the wearable device 100 in daily use, increasing the durability of the device. The screw connection can provide stable electrical contact, ensuring low contact resistance and good conductivity. Through appropriate torque control, the reliability of the electrical connection after the screw is tightened can be ensured, reducing the problem of poor contact. The assembly process of the screw connection is relatively simple and does not require complicated tools or processes.

[0095] In addition, when repairs or replacement of components are required, the screw connection also facilitates disassembly and reassembly, improving the maintainability of the equipment. The metal bezel 110 is connected to the circuit board 120 by screws, which can form an effective electromagnetic shield and reduce the impact of electromagnetic interference (EMI) on the circuit. The metal bezel 110 generally has good thermal conductivity, and the screw connection can effectively transfer the heat from the circuit board 120 to the metal bezel 110, thereby helping to dissipate heat. This thermal management method helps to keep the temperature of the equipment stable during operation and extend the service life of electronic components. Fasteners such as screws and nuts are relatively low in cost and easy to mass-produce. This connection method does not require expensive dedicated connectors or complex welding processes, reducing manufacturing costs.

[0096] Exemplarily, the number of support columns 153 can be multiple, and the number of screw hole structures 111 is the same as the number of support columns 153, wherein a part of the support columns 153 and the screw hole structures 111 are cooperated to connect the metal bezel 110 with the grounding point 122 of the radio frequency circuit 123, and another part of the screw hole structures 111 and the support columns 153 are used to fix the circuit board 120 on the middle frame 150, thereby improving the connection stability between the circuit board 120 and the middle frame 150.

[0097] Exemplarily, the material of the middle frame may be plastic, plastic, silicone, ceramic, etc. In the embodiment of the present application, the material of the middle frame is not further limited.

[0098] In one possible implementation, Figure 6 As shown, a boss 154 is provided on the bottom wall 151 of the middle frame 150 , and the fixing portion 131 is located on the top of the boss 154 . The fixing portion 131 is plugged into and matched with the metal spring 121 .

[0099] The boss 154 provides support for the fixing portion 131 of the flexible circuit board 130 and brings the fixing portion 131 closer to the metal dome 121 of the circuit board 120, facilitating assembly. Furthermore, the boss 154 provides support for the fixing portion 131, improving the connection stability between the metal dome 121 and the fixing portion 131. This prevents the impact of dropping the wearable device 100 from disrupting the connection between the metal dome 121 and the fixing portion 131, which could affect the normal operation of the wearable device 100.

[0100] In one possible implementation, the wearable device 100 further includes an inductor structure, wherein the inductor structure is connected in series with the ground point 122. In the embodiment of the present application, the specific type of the inductor structure is not further limited.

[0101] This configuration adjusts the antenna's input impedance to match the output impedance of the feeder or transmitter, maximizing power transmission efficiency. By appropriately selecting the inductor value, the antenna's reactance can be compensated, making it appear purely resistive at the operating frequency. The inductor, together with the antenna's capacitance, forms a resonant circuit, tunable to the antenna's resonant frequency. This allows the antenna to achieve optimal radiation efficiency and reception performance at specific frequencies. The inductor exhibits high impedance at high frequencies, preventing high-frequency noise and interference signals from entering the antenna system through the ground wire. This helps improve the antenna system's signal quality and interference resistance. Adjusting the inductor value can reduce losses in the antenna system and improve its overall efficiency. The series inductor improves the antenna's selectivity within a specific frequency band, suppressing signals outside the operating frequency band. This helps reduce out-of-band interference and improves the signal-to-noise ratio of the communication system.

[0102] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention 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, and therefore should not be understood as a limitation on the present invention.

[0103] In the description of the present invention, it should be understood that the terms "including" and "having" and any variations thereof used herein are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus comprising a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to these processes, methods, products or apparatuses.

[0104] Unless otherwise expressly specified or limited, the terms "mounted," "connected," "connect," "fixed," etc. should be interpreted broadly. For example, they can refer to fixed connections, removable connections, or integration; they can refer to direct connections or indirect connections through an intermediary; they can refer to internal connections between two components or interactions between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances. Furthermore, the terms "first," "second," etc., etc., are used for descriptive purposes only and should not be construed to indicate or imply relative importance or implicitly specify the quantity of the technical features indicated.

[0105] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A wearable device, characterized in that: It comprises a metal bezel (110), a circuit board (120) and a flexible circuit board (130); wherein, The metal bezel (110) is electrically connected to the flexible circuit board (130); A radio frequency circuit (123) and a grounding point (122) are provided on the circuit board (120), the flexible circuit board (130) is electrically connected to the radio frequency circuit (123), and the metal bezel (110) is electrically connected to the grounding point (122); The metal bezel (110) is configured as a main radiator of the antenna, and the flexible circuit board (130) is configured as a secondary radiator of the antenna.

2. The wearable device according to claim 1, wherein: The metal bezel (110) and the flexible circuit board (130) are electrically connected via pins (140).

3. The wearable device according to claim 2, wherein: The pin (140) and the circuit board (120) are fixedly connected by means of horizontal welding.

4. The wearable device according to any one of claims 1 to 3, wherein: A metal spring (121) is provided on the circuit board (120); The metal spring (121) is electrically connected to the radio frequency circuit (123), and the metal spring (121) is electrically connected to the flexible circuit board (130).

5. The wearable device according to claim 4, wherein: The flexible circuit board (130) is provided with a fixing portion (131) that cooperates with the metal spring (121); wherein, The fixing portion (131) is a conductive structure, and the metal spring (121) is electrically connected to the flexible circuit board (130) via the fixing portion (131).

6. The wearable device according to claim 5, wherein: Also includes a middle frame (150); wherein, The middle frame (150) includes a bottom wall (151) and a side wall (152), and the metal bezel (110) is connected to the side wall (152) of the middle frame (150); Part of the structure of the flexible circuit board (130) is attached to the inner side of the metal bezel (110), and part of the structure is attached to the bottom wall (151) of the middle frame (150).

7. The wearable device according to claim 6, wherein: The metal bezel (110) includes a screw hole structure (111); wherein, The screw hole structure (111) is located on the inner side of the metal bezel (110); The screw hole structure (111) corresponds to the grounding point (122), and the metal bezel (110) is electrically connected to the grounding point (122) through the screw hole structure (111).

8. The wearable device according to claim 7, wherein: The bottom wall (151) is provided with a support column (153); wherein, In the thickness direction of the middle frame (150), the circuit board (120) is arranged at the top end of the support column (153), the screw hole structure (111) and the support column (153) are arranged relative to each other and spaced apart, and the circuit board (120) is sandwiched between the screw hole structure (111) and the circuit board (120); The screw hole structure (111) and the support column (153) are fixedly connected via screws (160).

9. The wearable device according to claim 8, wherein: The number of the screw hole structures (111) is multiple; wherein, Each of the screw hole structures (111) corresponds to one of the support columns (153); Part of the screw hole structure (111) is used to electrically connect the metal bezel (110) to the grounding point (122), and part of the screw hole structure (111) is used to fix the circuit board (120).

10. The wearable device according to any one of claims 6 to 9, characterized in that: A boss (154) is provided on the bottom wall (151) of the middle frame (150), and the fixing portion (131) is located on the top of the boss (154); The fixing portion (131) is plug-fitted to the metal spring (121).

11. The wearable device according to any one of claims 1 to 3, wherein: Also included is an inductor structure; wherein, The inductor structure is connected in series with the grounding point (122).

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