Magnetic sound box

Abstract

The utility model discloses a kind of magnetic sound boxes, including shell assembly, shell assembly includes top cover, first shell, second shell and base, top cover, first shell, second shell and base are sequentially connected.Top cover is rotatably connected with first shell, first shell extends along first direction, second shell extends along second direction, and they form mounting cavity by enclosing, first direction and second direction are arranged at angle.The loudspeaker body is arranged in mounting cavity, and its sound outlet side faces base.The sound guide cone is arranged in base, and it is opposite sound outlet side to diffuse sound.Magnetic attraction charging module includes magnetic attraction assembly and electromagnetic coil, magnetic attraction assembly includes first magnet and second magnet, and it is arranged on top cover oppositely, and magnetization direction is opposite.Electromagnetic coil is arranged adjacent to first and second magnet, and alternating magnetic field is generated when electrified, drive magnet to rotate, and then drive top cover to rotate relative to first shell.The utility model scheme aims at effectively improving the automatic alignment and dynamic adjustment of magnetic attraction charging.

Description

Technical Field

[0001] This utility model relates to the field of speaker technology, and in particular to a magnetic speaker. Background Technology

[0002] Most existing speakers have a fixed structure, the sound output direction is not adjustable, and they do not have magnetic charging function; some devices with magnetic modules can only achieve static adsorption and cannot automatically align with the charging position; traditional rotating mechanisms rely on motor drive, which are complex in structure and large in size, making them difficult to integrate into small speakers. Utility Model Content

[0003] The main purpose of this invention is to propose a magnetic charging speaker that aims to effectively improve the automatic alignment and dynamic adjustment of magnetic charging.

[0004] To achieve the above objectives, this utility model proposes a magnetically attracted speaker box, comprising: The housing assembly includes a top cover, a first housing, a second housing, and a base. The top cover, the first housing, the second housing, and the base are connected in sequence. The top cover is rotatably connected to the first housing. The first housing and the second housing enclose a mounting cavity. The first housing extends along a first direction, and the second housing extends along a second direction. The first direction and the second direction are at an angle to each other. A speaker body is disposed in the mounting cavity, and the speaker body has a sound-emitting side facing the base; A sound guide cone is disposed on the base, and the sound guide cone is positioned toward the sound output side; A magnetic charging module includes a magnetic component and an electromagnetic coil. The magnetic component includes a first magnet and a second magnet. The first magnet and the second magnet are disposed adjacent to each other on the top cover, and the magnetization directions of the first magnet and the second magnet are opposite. The electromagnetic coil is disposed adjacent to the first magnet and the second magnet. The electromagnetic coil drives the first magnet and the second magnet to rotate, so that the first magnet and the second magnet drive the top cover to rotate.

[0005] In one embodiment, the rotational projection surface of the top cover is circular, and there are multiple first magnets and multiple second magnets, which are arranged in a circumferential array on the top cover in alternating adjacent positions.

[0006] In one embodiment, the number of the first magnet and the second magnet is 14 sets.

[0007] In one embodiment, the sound guide cone has a protrusion on the side facing the sound output side.

[0008] In one embodiment, the outer surface of the sound guide cone has an arc-shaped surface extending circumferentially, and the arc-shaped surface is provided with a plurality of strip-shaped sound outlet holes, which are connected to the mounting cavity.

[0009] In one embodiment, the speaker further includes a guide tube disposed within the mounting cavity, one end of the guide tube communicating with the mounting cavity, and the other end of the guide tube being disposed toward the sound guide cone.

[0010] In one embodiment, the top cover includes a top cover body and a mounting base. The top cover body is disposed on the mounting base, and the mounting base is rotatably connected to the first housing. The mounting base has a circumferentially arranged ring portion. The ring portion and the side wall of the mounting base form an accommodating space for accommodating the first magnet and the second magnet. A mounting groove is formed in the ring portion. The electromagnetic coil is arranged in a spiral shape and is installed in the mounting groove.

[0011] In one embodiment, the second housing is further provided with a MIC hole.

[0012] In one embodiment, the magnetic charging module further includes a current output module and a control device, wherein the current output module is connected to the electromagnetic coil and is used to supply power to the electromagnetic coil; The control device is electrically connected to the current output module to control the current output module to adjust the current flowing through the electromagnetic coil, thereby changing the repulsive force generated between the electromagnetic coil and the first magnet and the second magnet, so as to drive the top cover to rotate.

[0013] In one embodiment, a wireless charging transmitting coil is also provided inside the top cover. The wireless charging transmitting coil and the control device are used to supply power after an external electronic device is attracted.

[0014] This utility model discloses a magnetic speaker box. The magnetic speaker box uses a magnetic assembly with a permanent magnet on its top cover, along with an electromagnetic coil, to achieve automatic rotation of the top cover using electromagnetic drive principles. This allows the speaker box to dynamically adjust the magnetic connection angle, enhancing user experience and interactive intelligence. Specifically, the entire magnetic speaker box consists of a bent shell assembly, including a top cover, a first shell, a second shell, and a base, which are connected sequentially. The first shell extends in one direction (horizontal), and the second shell extends in another direction (vertical), forming an angle, resulting in an overall angular structure that is easy to place in a corner of a desktop or use with mobile devices. The first and second shells together enclose an internal mounting cavity to house core components such as the speaker and circuit board. The speaker body is located inside the second shell, with its sound-emitting unit facing towards the base. The sound is diffused outward through a sound guide cone on the base. The sound guide cone faces the sound-emitting side of the speaker, guiding, diffusing, and preventing dust from entering, optimizing low-frequency response and sound field distribution. The top cover features a magnetic assembly comprising a first magnet and a second magnet, arranged opposite each other with opposite magnetization directions, resulting in N and S poles at their exposed ends, creating a strong magnetic attraction force. This allows for the attraction of magnetically charged electronic devices such as mobile phones and wireless earphones, enabling physical positioning and wireless charging docking. Furthermore, an electromagnetic coil is incorporated, positioned adjacent to the first and second magnets. When energized, the coil generates a controllable alternating or pulsed magnetic field, interacting magnetically with the first and second magnets. This magnetic force, controlled by adjusting the current direction and timing in the electromagnetic coil, induces a rotational torque on the magnets, causing the entire top cover to rotate relative to the first housing. The top cover itself becomes a rotatable magnetic platform. When an external device approaches, the system automatically rotates the top cover to the optimal attraction angle, achieving automatic alignment. This not only enhances the convenience of magnetic charging but also elevates the product's technological sophistication and intelligence. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0016] Figure 1 A schematic diagram of the overall structure of an embodiment of the magnetic sound box provided by this utility model; Figure 2 for Figure 1 An exploded view of one embodiment; Figure 3 for Figure 1A cross-sectional view of one embodiment.

[0017] Explanation of icon numbers: 10. Housing assembly; 11. Top cover; 111. Top cover body; 112. First mounting base; 113. First ring; 12. First housing; 13. Second housing; 14. Base; 15. Mounting cavity; 16. MIC hole; 20. Speaker body; 21. Sound outlet side; 30. Sound guide cone; 31. Protrusion; 32. Arc-shaped surface; 33. Sound outlet hole; 40. Magnetic charging module; 41. Magnetic assembly; 411. First magnet; 412. Second magnet; 42. Electromagnetic coil; 50. Guide tube.

[0018] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0020] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0021] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0022] This utility model proposes a magnetic sound box.

[0023] Reference Figures 1-3 In this embodiment of the utility model, a magnetic speaker box includes: The housing assembly 10 includes a top cover 11, a first housing 12, a second housing 13, and a base 14. The top cover 11, the first housing 12, the second housing 13, and the base 14 are connected in sequence. The top cover 11 is rotatably connected to the first housing 12. The first housing 12 and the second housing 13 enclose a mounting cavity 15. The first housing 12 extends along a first direction, and the second housing 13 extends along a second direction. The first direction and the second direction are at an angle to each other. A speaker body 20 is disposed in the mounting cavity 15, and the speaker body 20 has a sound-emitting side 21 facing the base 14; A sound guide cone 30 is disposed on the base 14, and the sound guide cone 30 is positioned toward the sound output side 21; The magnetic charging module 40 includes a magnetic component 41 and an electromagnetic coil 42. The magnetic component 41 includes a first magnet 411 and a second magnet 412. The first magnet 411 and the second magnet 412 are disposed adjacent to each other on the top cover 11, and the magnetization directions of the first magnet 411 and the second magnet 412 are opposite. The electromagnetic coil 42 is disposed adjacent to the first magnet 411 and the second magnet 412. The electromagnetic coil 42 drives the first magnet 411 and the second magnet 412 to rotate, so that the first magnet 411 and the second magnet 412 drive the top cover 11 to rotate.

[0024] This utility model discloses a speaker. The core structure of this speaker solution consists of a shell assembly 10, a speaker body 20, a sound guide cone 30, and a magnetic charging module 40. Firstly, the shell assembly 10 adopts a split design, including a top cover 11, a first shell 12, a second shell 13, and a base 14. These parts are connected sequentially to form a complete external structure. The top cover 11 and the first shell 12 are rotatably connected, allowing the top cover 11 to rotate relative to the main body, giving the product a dynamic visual appeal. The first shell 12 extends along a first direction, while the second shell 13 extends along another direction (at an angle with the first direction). This asymmetrical, zigzag layout breaks away from the traditional linear structure of speakers, facilitating the rational allocation of internal space and providing a structural basis for the subsequent arrangement of functional modules. The mounting cavity formed by the two shells can accommodate electronic components, batteries, or other driving mechanisms, improving space utilization. The entire shell structure, while ensuring strength, also enhances the product's technological and design aesthetics. The speaker body 20 is located within the mounting cavity 15, with its sound-emitting side 21 facing the base 14. This means that the sound is not radiated directly forward or upward, but downward. By guiding the sound downward, and then using the sound guide cone 30 on the base 14 to reflect and diffuse the sound waves, the audio output becomes more uniform and expansive, reducing the limitations of sound perception caused by excessive directivity. The sound guide cone 30, as an acoustic reflection structure, guides and diffuses sound waves, effectively improving low-frequency response and sound field coverage, and enhancing overall sound quality, especially in close-range usage scenarios such as on a desktop, creating a more natural sound experience. Furthermore, the magnetic charging module 40 includes a magnetic component 41 and an electromagnetic coil 42. The magnetic component 41 consists of two magnets, a first magnet 411 and a second magnet 412, with opposite magnetization directions, symmetrically arranged on the top cover 11; the electromagnetic coil 42 is arranged adjacent to these two magnets. When current flows through the electromagnetic coil 42, an alternating magnetic field is generated, which interacts with two magnets of opposite polarity, thereby producing torque and driving the magnets to rotate together with the top cover 11. Since the magnets are fixed to the top cover 12, the energization control of the electromagnetic coil can be directly converted into the controllable rotational motion of the top cover. Utilizing the magnetic charging module 40 as a rotation drive device, the automatic rotation of the top cover is achieved through the principle of electromagnetic induction. This effectively improves the automatic alignment and dynamic adjustment of magnetic charging, greatly enhances the functional reusability of components, reduces the introduction of additional motors, simplifies structural complexity and assembly costs, and improves the overall compactness, high modularity, and ease of production and maintenance.

[0025] Reference Figures 1-3 In this embodiment of the present invention, the rotating projection surface of the top cover 11 is circular, and there are multiple first magnets 411 and multiple second magnets 412. The multiple first magnets 411 and multiple second magnets 412 are arranged in a circular array on the top cover 11 at intervals.

[0026] The circular design of the rotating projection surface of the top cover 11 ensures good geometric symmetry and dynamic balance during rotation. The circular profile not only reduces air resistance and mechanical interference during rotation, but more importantly, it provides an ideal structural basis for the uniform circumferential arrangement of the magnets. This ensures uniform force distribution throughout the rotating system, preventing vibration, noise, or wear caused by eccentricity or asymmetry, thus guaranteeing long-term operational stability and service life. On this circular layout, multiple first magnets 411 and multiple second magnets 412 are arranged in a circumferential array at intervals. These magnets are distributed at equal angles along the edge of the top cover, forming an alternating polarity ring magnetic array structure. Since the magnetization directions of the first magnets 411 and the second magnets 412 are opposite, this ring array itself constitutes a spatial distribution with periodic magnetic field changes before energization. When the external electromagnetic coil generates an alternating magnetic field, it will attract or repel each magnet in turn. As the number of magnets increases and they are evenly distributed, the number of points of application of the electromagnetic force also increases, making the driving torque more continuous and smooth. This avoids the "dead point" or rotational jerking that may occur when relying on only two magnets, and greatly improves the device's adaptive alignment capability during the magnetic charging process.

[0027] Reference Figures 1-3 In this embodiment of the present invention, the number of the first magnet 411 and the second magnet 412 is 14 sets.

[0028] There are 14 groups of first magnets 411 and second magnets 412, totaling 14 first magnets and 14 second magnets. These are arranged alternately in a circular array on the circular rotating projection surface of the top cover, forming a ring structure with a total of 28 magnet units. Setting the number of magnets to 14 groups (28 in total) significantly increases the density of magnetic field modulation. When an alternating magnetic field is applied by the electromagnetic coil, each pair of adjacent first magnets 411 and second magnets 412 will produce different electromagnetic responses due to opposite magnetization directions, forming an effective driving point. As the number of magnet groups increases, the number of points of action per unit rotation angle also increases, effectively increasing the number of pole pairs in the system. This makes the rotational movement of the top cover 11 under electromagnetic drive more delicate and smooth, reducing the jerking or vibration caused by step-by-step rotation, and improving the overall quietness and smoothness of operation. Simultaneously, the 14 groups of magnets are evenly distributed in a circle, with an angular interval of approximately 12.86° between them. This angular distribution ensures sufficient space for installing and securing each magnet, avoiding magnetic coupling interference or assembly difficulties due to excessively small gaps. It also ensures that at least several sets of magnets can effectively interact with the external electromagnetic coil at any rotational position, maintaining continuous torque output and preventing drive blind spots or starting difficulties. Compared to fewer sets (such as 4 or 6 sets), 14 sets offer higher resolution; compared to too many sets (such as 20 or more sets), it balances cost, space constraints, and the manufacturing challenges of magnet miniaturization, representing a good balance between performance and practicality.

[0029] Reference Figures 1-3 In this embodiment of the present invention, the sound guide cone 30 has a protrusion 31 on the side facing the sound output side 21.

[0030] A protrusion 31 is provided on the side of the sound guide cone 30 facing the sound output side 21 of the speaker body. This protrusion 31 is a locally raised structure added to the side of the sound guide cone 30 closest to the sound source. This protrusion 31 is directly located on the surface of the sound guide cone 30 and faces the sound output side 21 of the speaker body 20. It is at the initial stage of the sound propagation path and can interact with the original sound waves emitted from the front of the speaker immediately. The purpose is to improve the initial guidance state of the sound waves, reduce undesirable reflections, and enhance the clarity and directional control of the sound. When the speaker body 20 is working, its sound output side 21 radiates sound waves forward, and these sound waves first reach the sound guide cone 30 directly opposite it. While traditional smooth-surfaced sound guide cones can provide some reflection and guidance, they are prone to irregular scattering or standing wave phenomena when the sound wave incident angle is large or the frequency is high, affecting the purity of the sound quality. By adding a protrusion 31 to the side of the sound guide cone 30 facing the sound source, it is equivalent to introducing a tiny acoustic control unit in the initial region of sound wave propagation. This raised structure can alter the pressure distribution of the local sound field, pre-shaping or pre-guiding the sound waves emitted from the speaker diaphragm. Specifically, the presence of the protrusion 31 allows for slight focusing or splitting of the sound waves immediately after they leave the diaphragm, preventing large-area direct hard reflections on the surface of the sound guide cone 30, thereby reducing distortion and phase interference caused by abrupt impedance changes.

[0031] Reference Figures 1-3 In this embodiment of the present invention, the outer surface of the sound guide cone 30 has an arc-shaped surface 32 extending circumferentially, and the arc-shaped surface is provided with a plurality of strip-shaped sound outlet holes 33, which are connected to the mounting cavity 15.

[0032] By providing a circumferentially extending arc-shaped surface 32 on the outer surface of the sound guide cone 30, and arranging multiple strip-shaped sound outlets 33 on this arc-shaped surface 32, with these sound outlets 33 communicating with the internal mounting cavity 15, a highly efficient, uniform, and diffusing sound wave guiding and radiation system is constructed. This design aims to improve the sound field distribution after the speaker emits sound downwards, enhancing sound propagation efficiency, spatial coverage, and the naturalness of the listening experience. The sound guide cone 30 itself serves to receive sound waves emitted downwards from the speaker body 20. The outer surface of the sound guide cone 30 is designed as a circumferentially extending arc-shaped surface 32. This arc-shaped structure has excellent acoustic reflection characteristics, enabling it to scatter concentrated downward sound waves outwards at a wider angle. The curvature of the arc-shaped surface 32 is rationally designed to effectively reduce the distortion and focusing effect of sound waves during reflection, avoiding problems such as excessive local sound pressure or uneven frequency response, and creating a more uniform radiation pattern of sound in the horizontal direction, thereby improving the speaker's performance in an omnidirectional listening environment. Multiple strip-shaped sound outlets 33 are arranged on this arc-shaped surface 32 and connected to the internal mounting cavity 15. This structure introduces a composite acoustic path combining direct sound generation and reflected sound generation. On the one hand, some sound waves can directly radiate outward through the strip-shaped sound outlets 33, forming a sound source overflowing from the side of the sound guide cone 30, which is equivalent to adding a lateral sound generation channel on the basis of traditional bottom sound generation. On the other hand, sound waves that do not escape directly can still be reflected and resonated inside the sound guide cone or mounting cavity before being released through the sound outlets 33, forming secondary sound radiation. This multi-path sound generation mechanism helps to break the directional limitations of sound, enhance the sense of openness and spatial immersion of the sound field, especially in scenarios such as close-range listening or desktop placement, effectively alleviating the auditory bias of sound coming from below, making the sound effect closer to the natural listening experience. Compared with small circular holes, the design of the strip-shaped sound outlets 33 has a larger opening area and a longer sound wave release edge, which is conducive to the smooth output of low-frequency sound waves, reduces the obstruction of airflow by the edge of the opening, and reduces wind noise and turbulence noise. Meanwhile, multiple strip holes 33 are distributed circumferentially to ensure uniform sound radiation in the 360-degree horizontal direction, avoiding sound field shift caused by uneven distribution of sound holes.

[0033] Reference Figures 1-3 In this embodiment of the present invention, the speaker also includes a guide tube 50, which is disposed in the mounting cavity 15. One end of the guide tube 50 is connected to the mounting cavity 15, and the other end of the guide tube 50 is disposed toward the sound guide cone 30.

[0034] Since the speaker enclosure 20 emits sound towards the base 14, the sound waves first enter the mounting cavity 15. Without effective guidance, the sound waves will reflect, overlap, or even cancel each other out disorderly within the cavity, resulting in muddy sound, low-frequency distortion, or energy loss. The introduction of the guide tube 50 is equivalent to establishing a controlled acoustic channel between the speaker output side 21 and the sound guide cone 30, concentrating and guiding the sound waves that might otherwise propagate haphazardly to the area where the sound guide cone 30 is located. This directional guidance ensures that the sound emitted from the speaker enclosure 20 can be efficiently and concentratedly transmitted to the surface of the sound guide cone 30 or its vicinity, reducing internal losses, improving sound energy utilization, and making the sound output more powerful and responsive. By designing the length, cross-sectional area, and shape of the guide tube 50, the air resonance frequency between it and the mounting cavity 15 can be adjusted to match the low-frequency response of the speaker unit, thereby enhancing the sound pressure output in specific frequency bands (especially mid-low frequencies). The guide tube 50 does not open directly to the outside; instead, it directs sound waves to the area of ​​the sound guide cone 30, where they are then diffused a second time by the curved surface of the sound guide cone 30 and the sound outlet structure. This achieves low-frequency enhancement while avoiding the structural damage or foreign object ingress risks associated with exposed bass reflex ports, maintaining aesthetic integrity and protective performance. Furthermore, the guide tube 50 is positioned towards the sound guide cone 30, with its outlet end close to or directly facing the reflective surface or sound outlet area of ​​the sound guide cone 30. This allows the airflow ejected from the tube to directly act on the air surrounding the sound guide cone 30, exciting a wider range of vibrations and sound wave radiation, further enhancing the sound diffusion effect. Especially when playing audio content with a strong rhythm or a wide dynamic range, the guide tube 50 effectively releases the sound pressure accumulated inside the cavity, preventing the speaker diaphragm from being obstructed due to excessive back pressure, thereby improving the overall dynamic performance and clarity of the sound.

[0035] Reference Figures 1-3 In this embodiment of the present invention, the top cover 11 includes a top cover body 111 and a mounting base 112. The top cover body 111 is disposed on the mounting base 112. The mounting base 112 is rotatably connected to the first housing 12. The mounting base 112 is provided with a ring portion 113 arranged circumferentially. The ring portion 113 and the side wall of the mounting base 112 form an accommodating space for accommodating the first magnet 411 and the second magnet 412. A mounting groove is formed in the ring portion 113. The electromagnetic coil 42 is arranged in a spiral shape and is installed in the mounting groove.

[0036] Mounting base 112 serves as the support and connecting component of top cover 11, acting as a pivot for rotational movement. It forms a rotational connection with the first housing 12, allowing the entire top cover 11 to rotate smoothly around its central axis. Mounting base 112 features a circumferentially extending ring 113, which forms an accommodating space with the sidewall of mounting base 112. This accommodating space is specifically designed to accommodate the first magnet 411 and the second magnet 412, ensuring their precise fixation and uniform distribution in the circumferential direction, preventing displacement or loosening during rotation. This annular surrounding structure not only enhances the stability of the magnet mounting but also provides a certain degree of magnetic shielding, reducing the disordered outward diffusion of the magnetic field and improving the coupling efficiency between the magnetic lines of force and the external electromagnetic coil, thereby enhancing the driving torque and response sensitivity. The ring 113 contains a mounting groove for embedding an electromagnetic coil 42 wound in a spiral pattern. This design significantly improves space utilization, enabling coil installation within limited axial and radial space, avoiding the additional space required for traditional parallel arrangements, and facilitating product miniaturization and thinning. When current is applied to the electromagnetic coils 42, the magnetic field they generate can more evenly cover the multiple magnet positions within the accommodating space. Since the magnets themselves are also distributed in a circumferential array, a continuous and smooth rotational torque is generated, reducing torque fluctuations and vibration noise during the driving process. Furthermore, the top cover body 111 is provided with multiple strip-shaped sound outlets, which are arranged in a circumferential array on the top cover body 111, and these strip-shaped sound outlets communicate with the mounting cavity.

[0037] Reference Figures 1-3 In this embodiment of the present invention, the second housing 13 is further provided with a MIC hole 16.

[0038] A microphone hole 16 is added to the second housing 13. This design indicates that the speaker is not only a sound output device, but also has sound input capabilities, that is, it integrates a microphone function, making it a smart speaker terminal with two-way audio interaction capabilities. The microphone hole, as the acoustic entrance of the microphone, allows external sounds (especially human voices) to enter the device and be received by the microphone sensor. It is the physical channel for realizing intelligent functions such as voice recognition, voice calls, voice assistant interaction, and ambient sound monitoring.

[0039] Reference Figures 1-3 In this embodiment of the present invention, the magnetic charging module 40 further includes a current output module and a control device. The current output module is connected to the electromagnetic coil 42 and is used to supply power to the electromagnetic coil 42. The control device is electrically connected to the current output module to control the current output module to adjust the current flowing through the electromagnetic coil, thereby changing the repulsive force generated between the electromagnetic coil 42 and the first magnet 411 and the second magnet 412, so as to drive the top cover 11 to rotate.

[0040] The current output module, serving as the system's power source, is directly connected to the electromagnetic coil 42, providing it with adjustable electrical energy. It can output currents of different magnitudes, directions, and waveforms according to commands, allowing the magnetic field strength and polarity generated by the electromagnetic coil to change in real time. When current passes through the coil, a controllable electromagnetic field is formed around it. This magnetic field interacts with the first magnet 411 and the second magnet 412 (with opposite magnetization directions) fixed on the top cover, generating repulsive or attractive magnetic forces. Since the magnets are distributed on the rotating structure, these asymmetrical magnetic forces create torque, thereby driving the top cover 11 to rotate around its axis. Therefore, the introduction of the current output module is the fundamental guarantee for realizing electromagnetic drive, ensuring that energy can be efficiently converted into mechanical motion in electrical form. The control device, the control structure of the entire system, is electrically connected to the current output module. It achieves comprehensive control over the rotation behavior of the top cover through precise scheduling of the current output. For example, the control device can determine when to start rotation, the direction of rotation (clockwise or counterclockwise), the speed, and the size of the rotation angle based on preset programs or external signals (such as user operation, charging status, voice feedback, etc.). By adjusting the intensity of the current, the magnitude of the magnetic force can be controlled, thereby achieving different motion effects such as gentle slow movement or rapid response; by changing the direction of the current, the polarity of the magnetic field of the electromagnetic coil can be switched, causing the force acting on the first magnet 411 and the second magnet 412 that are magnetized in opposite directions to change, thereby achieving forward and reverse rotation control.

[0041] Reference Figures 1-3 In this embodiment of the present invention, a wireless charging transmitting coil is also provided inside the top cover 11. The wireless charging transmitting coil and the control device are used to supply power after the external electronic device is attracted.

[0042] The wireless charging transmitting coil, as the energy transmitter, is typically a flat coil structure made of multiple turns of wire, embedded inside the top cover. Its position is optimized to ensure good magnetic coupling between the transmitting coil and the receiving coil inside the device when an external electronic device is attached to the surface of the top cover 11. When a high-frequency alternating current passes through the transmitting coil, an alternating magnetic field is generated. This magnetic field penetrates the surface of the top cover and is captured by the receiving coil in the nearby electronic device, thereby inducing a current to charge the device's battery. Since the top cover 11 itself has magnetic components 41 (including a first magnet 411 and a second magnet 412), these permanent magnets not only drive the rotation but also serve as positioning and adsorption agents, ensuring that external devices automatically align with the wireless charging area after placement, improving charging efficiency and user experience.

[0043] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A magnetically attracted speaker, characterized in that, include: The housing assembly includes a top cover, a first housing, a second housing, and a base. The top cover, the first housing, the second housing, and the base are connected in sequence. The top cover is rotatably connected to the first housing. The first housing and the second housing enclose a mounting cavity. The first housing extends along a first direction, and the second housing extends along a second direction. The first direction and the second direction are at an angle to each other. A speaker body is disposed in the mounting cavity, and the speaker body has a sound-emitting side facing the base; A sound guide cone is disposed on the base, and the sound guide cone is positioned toward the sound output side; A magnetic charging module includes a magnetic component and an electromagnetic coil. The magnetic component includes a first magnet and a second magnet. The first magnet and the second magnet are disposed adjacent to each other on the top cover, and the magnetization directions of the first magnet and the second magnet are opposite. The electromagnetic coil is disposed adjacent to the first magnet and the second magnet. The electromagnetic coil drives the first magnet and the second magnet to rotate, so that the first magnet and the second magnet drive the top cover to rotate.

2. The magnetic speaker box according to claim 1, characterized in that, The rotating projection surface of the top cover is circular, and there are multiple first magnets and multiple second magnets, which are arranged in a circular array on the top cover in an alternating manner.

3. The magnetic speaker box according to claim 2, characterized in that, The number of the first magnet and the second magnet is 14 sets.

4. The magnetic speaker box according to claim 1, characterized in that, The sound guide cone has a protrusion on the side facing the sound output side.

5. The magnetic speaker box according to claim 4, characterized in that, The outer surface of the sound guide cone has an arc-shaped surface extending circumferentially, and the arc-shaped surface is provided with a plurality of strip-shaped sound outlet holes, which are connected to the mounting cavity.

6. The magnetic speaker box according to claim 1, characterized in that, The speaker also includes a guide tube, which is disposed in the mounting cavity. One end of the guide tube is connected to the mounting cavity, and the other end of the guide tube is disposed toward the sound guide cone.

7. The speaker according to claim 1, characterized in that, The top cover includes a top cover body and a mounting base. The top cover body is disposed on the mounting base, and the mounting base is rotatably connected to the first housing. The mounting base has a ring portion arranged circumferentially. The ring portion and the side wall of the mounting base form an accommodating space for accommodating the first magnet and the second magnet. A mounting groove is formed in the ring portion. The electromagnetic coil is arranged in a spiral shape and is installed in the mounting groove.

8. The magnetic speaker box according to claim 1, characterized in that, The second housing is also provided with a MIC hole.

9. The magnetic speaker box according to claim 1, characterized in that... The magnetic charging module also includes a current output module and a control device. The current output module is connected to the electromagnetic coil and is used to supply power to the electromagnetic coil. The control device is electrically connected to the current output module to control the current output module to adjust the current flowing through the electromagnetic coil, thereby changing the repulsive force generated between the electromagnetic coil and the first magnet and the second magnet, so as to drive the top cover to rotate.

10. The magnetic speaker according to claim 9, characterized in that... The top cover is also equipped with a wireless charging transmitting coil, which, together with the control device, is used to supply power after an external electronic device is attracted.

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