Magnetofluid sound equipment
By controlling the electromagnet and LEDs to emit light through the audio module, and adjusting the magnetic field and light effects according to the music tone, the problem of insufficient synergy between light and shadow in existing magnetofluid audio systems is solved, and the dynamic light spot effect and visual layering are improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DONGGUAN QIANCHENG ELECTRONICS CO LTD
- Filing Date
- 2025-05-19
- Publication Date
- 2026-04-17
AI Technical Summary
Existing magnetofluid audio systems cannot adjust the color, saturation, brightness gradient, and light spot distribution of the light source in real time according to the movement trajectory, frequency, or external audio signal of the magnetofluid. This results in insufficient coordination between light and shadow and the movement of the magnetofluid, leading to a harsh visual effect and a lack of depth.
Design a magnetohydrodynamic speaker that controls the output current of an electromagnet and the light emission of LEDs through an audio module. Adjust the dynamic changes of the magnetic field and the light effect according to the changes in the music pitch to achieve synchronous and regular changes in the color and brightness gradient of the LEDs, forming a dynamic light spot effect.
It achieves vividness and a sense of layering in the visual effects of magnetofluid audio, and the interactive synergy between the light and shadow and movement on the back of the magnetofluid enhances the visual experience.
Smart Images

Figure CN224139144U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of music playback device technology, and in particular to a magnetofluid audio system. Background Technology
[0002] Existing magnetofluid speakers typically use a backlight panel as the basic light source, projecting light from a fixed position to display the morphological changes of the magnetofluid inside the container under the influence of a magnetic field.
[0003] However, due to the single light source mode of the backlight panel, such magnetic fluid speakers can only provide static light effects. They cannot adjust the color, color saturation, brightness gradient and light spot distribution of the light source in real time according to the movement trajectory, frequency or external audio signal of the magnetic fluid. This results in insufficient coordination between light and shadow and the movement of the magnetic fluid, and the visual effect is stiff and lacks a sense of layering. Utility Model Content
[0004] In view of this, the present invention provides a magnetic fluid speaker to solve the problem that existing magnetic fluid speakers cannot adjust the color, color saturation, brightness gradient and light spot distribution of the light source in real time according to the movement trajectory, frequency or external audio signal of the magnetic fluid, resulting in insufficient coordination between light and shadow and the movement of the magnetic fluid, and a stiff visual effect and lack of depth.
[0005] To achieve one, some, or all of the above objectives or other objectives, this utility model proposes a magnetofluid audio system, comprising a main body, an audio module for playing music on the main body, an installation cavity on one side of the main body, an electromagnet, a lamp board, a light guide plate, and a transparent container arranged sequentially from the inside to the outside in the installation cavity, the audio module being electrically connected to the electromagnet and the lamp board respectively, a plurality of LED beads being attached to the periphery of the lamp board, the plurality of LED beads surrounding the light guide plate, the transparent container covering the opening of the installation cavity, and a magnetofluid being disposed in the inner cavity of the transparent container.
[0006] Preferably, the magnetohydrodynamic sound source further includes a diffuser sandwiched between the light guide plate and the transparent container.
[0007] Preferably, the lamp panel is ring-shaped.
[0008] Preferably, the transparent container is made of glass.
[0009] Preferably, the light guide plate is made of acrylic material.
[0010] Preferably, the main body includes a housing, at least three support legs, and a main board. The three support legs are all inclinedly connected to the bottom of the housing and are evenly distributed along the circumference of the housing to support the housing. The mounting cavity is arranged on the top of the housing with its opening facing upward. The audio module and the main board are both arranged inside the housing. The audio module is electrically connected to the electromagnet and the lamp board through the main board.
[0011] Preferably, the end of each support leg away from the housing is provided with a silicone foot pad.
[0012] Preferably, the housing includes a circular disc-shaped base, a perforated first bracket, a perforated second bracket, and a cover. The support legs are connected to the bottom of the base. The main board is disposed inside the base. The top of the base is recessed to form a mixing cavity. The audio module is embedded in the inner wall of the mixing cavity. The first bracket is fixedly mounted inside the mixing cavity and spaced apart from the audio module. The mounting cavity is open upwards in the middle of the first bracket. The second bracket is a circular cover with a recessed bottom and is fixedly closed on the top of the base, enclosing the first bracket inside the mixing cavity. The outline of the cover matches the second bracket and is fixedly covered on the top of the second bracket. Several sound holes are evenly distributed circumferentially on the cover. The middle of both the cover and the second bracket are designed to expose a transparent container.
[0013] Preferably, the face cover is fused and fixed to the second bracket by ultrasonic waves.
[0014] Preferably, the audio module includes a main speaker and two auxiliary speakers, both of which are embedded in the inner wall of the mixing cavity. The main speaker is located in the middle of the mixing cavity, and the two auxiliary speakers are symmetrically distributed on both sides of the main speaker.
[0015] Implementing the embodiments of this utility model will have the following beneficial effects:
[0016] After adopting the above-mentioned magnetofluid audio system, the audio module can be connected to an external power source via a wire. When the audio module plays music, it adjusts the magnitude and frequency of the current output to the electromagnet, as well as the color and brightness gradient of the LED beads, according to the changes in the pitch of the music. When the pitch of the music rises, the current output to the electromagnet increases synchronously, and vice versa, causing the magnetic field generated by the electromagnet to change dynamically. This, in turn, controls the dynamic deformation of the magnetofluid within the transparent container and simultaneously controls the LED beads on the light board to emit light. The light emitted by the LED beads will penetrate through the side wall of the light guide plate, reflect and diffuse within the light guide plate, forming a series of light spots distributed in a regional pattern along the circumference of the light guide plate, illuminating the light guide plate and making it the backlight source of the magnetofluid. Furthermore, the color and brightness gradient of the LED beads can change regularly with the rhythm of the music, realizing the interactive synergy between the backlight and shadow of the magnetofluid and the deformation of the magnetofluid, making the visual effect of the magnetofluid audio system more vivid and layered. Attached Figure Description
[0017] 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 these drawings without creative effort.
[0018] in:
[0019] Figure 1 This is an exploded view of the present invention;
[0020] Figure 2 This is a perspective view of the present utility model;
[0021] Figure 3 This is a schematic diagram showing the connection relationship between the lamp plate and the light guide plate in this utility model.
[0022] In the diagram: 1. Electromagnet; 2. Lamp board; 21. Lamp bead; 3. Light guide plate; 4. Transparent container; 5. Softbox; 6. Housing; 61. Base; 610. Mixing chamber; 62. First bracket; 620. Mounting cavity; 63. Second bracket; 64. Face cover; 640. Sound hole; 7. Support leg; 71. Silicone foot pad; 8. Main board; 91. Main speaker; 92. Auxiliary speaker. Detailed Implementation
[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains; the terminology used herein in the specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and accompanying drawings of this invention are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or accompanying drawings of this invention are used to distinguish different objects, not to describe a particular order.
[0024] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of the present invention. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.
[0025] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
[0026] like Figure 1-3 As shown, a magnetofluid audio system includes a main body with an audio module for playing music. A mounting cavity 620 is opened on one side of the main body. Within the mounting cavity 620, an electromagnet 1, a lamp plate 2, a light guide plate 3, and a transparent container 4 are arranged sequentially from the inside out. The audio module is electrically connected to the electromagnet 1 and the lamp plate 2. Several LED beads 21 are attached to the periphery of the lamp plate 2, surrounding the light guide plate 3. The transparent container 4 covers the opening of the mounting cavity 620. Magnetofluid (not shown in the attached diagram) is placed inside the transparent container 4. The audio module can be connected to an external power source via a wire. When the audio module plays music, it adjusts the magnitude and frequency of the current output to the electromagnet 1 and the LED beads 21 according to the pitch of the music being played. The color and brightness gradient of the electromagnet 1 increase the current output to the electromagnet 1 as the pitch of the music rises, and decrease it as the pitch falls, causing the magnetic field generated by the electromagnet 1 to change dynamically. This, in turn, controls the dynamic deformation of the magnetic fluid within the transparent container 4, and simultaneously controls the LED beads 21 on the light panel 2 to emit light. The light emitted by the LED beads 21 will pass through the side wall of the light guide plate 3 and be reflected and diffused within the light guide plate 3, forming a series of light spots distributed in a regional pattern along the circumference of the light guide plate 3, illuminating the light guide plate 3 and making it the back light source for the magnetic fluid. Furthermore, the color and brightness gradient of the LED beads 21 can change regularly with the rhythm of the music, realizing the interactive synergy between the back light and shadow of the magnetic fluid and the deformation of the magnetic fluid, making the visual effect of the magnetic fluid sound more vivid and layered.
[0027] Furthermore, the magnetofluid audio system also includes a diffuser 5, which is sandwiched between the light guide plate 3 and the transparent container 4. The addition of the diffuser 5 can further reflect the light spot formed on the light guide plate 3, reduce the peak light intensity in the user's vision, avoid glare stimulation, and disperse the light beam into a more uniform and soft light, thereby further enhancing the visual experience.
[0028] Furthermore, the lamp plate 2 is ring-shaped. Various circuits and components are often present on the lamp plate 2, which can easily interfere with the electromagnet 1 and affect the magnetization of the magnetic fluid. By using the ring-shaped lamp plate 2, the electromagnet 1 can be avoided, so that the electromagnet 1 can pass through the inner ring of the lamp plate 2 and face the magnetic fluid in the transparent container 4.
[0029] Furthermore, the transparent container 4 is made of glass, and the corrosion resistance of glass is more suitable for the storage conditions of magnetic fluid, which can effectively extend the service life of the transparent container 4.
[0030] Furthermore, the light guide plate 3 is made of acrylic material, which has good light transmittance and is conducive to the penetration and diffusion of light.
[0031] Furthermore, the main body includes a housing 6, at least three support legs 7, and a main board 8. The three support legs 7 are all inclinedly connected to the bottom of the housing 6 and are evenly distributed along the circumference of the housing 6 to support the housing 6. The mounting cavity 620 is set on the top of the housing 6 with its opening facing upwards. The audio module and the main board 8 are both set inside the housing 6. The audio module is electrically connected to the electromagnet 1 and the light board 2 through the main board 8. In use, the three support legs 7 will serve as the three feet of the speaker to support the placement of the magnetic fluid speaker. The housing 6 has a through hole for the audio module to transmit sound to the outside. The audio module, electromagnet 1, and light board 2 are all powered by the main board 8 and are uniformly controlled by the main board 8 so that the music, magnetic fluid, and multi-color backlight can change synchronously. The main board 8 can be purchased through market channels and will not be described in this embodiment.
[0032] Furthermore, each of the support legs is provided with a silicone foot pad 71 at the end away from the housing 6 to prevent the bottom of the support leg from slipping easily. At the same time, it can also buffer and filter some of the vibrations generated during the operation of the audio module, thereby improving the placement stability of the magnetofluid speaker.
[0033] Furthermore, the housing 6 includes a circular disc-shaped base 61, a perforated first bracket 62, a perforated second bracket 63, and a cover 64. Support legs 7 are connected to the bottom of the base 61. The main board 8 is disposed within the base 61. The top of the base 61 is recessed to form a mixing cavity 610. The audio module is embedded in the inner wall of the mixing cavity 610. The first bracket 62 is fixedly mounted within the mixing cavity 610 and spaced apart from the audio module. The mounting cavity 620 is open upwards in the middle of the first bracket 62. The second bracket 63 is a circular cover with a recessed bottom, fixedly covering the top of the base 61 and enclosing the first bracket 62 within the mixing cavity 610. The outline of the cover 64... Matching and fixedly covering the top of the second bracket 63, the cover 64 has several sound holes 640 evenly distributed around its circumference. Both the cover 64 and the second bracket 63 have an open design in the middle to expose the transparent container 4, so as to fully display the dynamic changes of the magnetofluid. The sound emitted by the audio module in the mixing cavity 610 will pass through the hollow parts of the first bracket 62 and the second bracket 63, and finally be transmitted through the sound holes 640 on the cover 64 to reduce the loss of sound during transmission and ensure the transparency of the sound. The housing 6 is designed as a circular disc structure similar to a flying saucer, so that the appearance of the magnetofluid speaker is more in line with its fashionable product functions and positioning.
[0034] Furthermore, the faceplate 64 is made of aluminum alloy and is fused and fixed to the second bracket 63 by ultrasonic waves.
[0035] Furthermore, the audio module includes a main speaker 91 and two auxiliary speakers 92. Both the main speaker 91 and the auxiliary speakers 92 are embedded in the inner wall of the mixing cavity 610. The main speaker 91 is located in the middle of the mixing cavity 610, and the two auxiliary speakers 92 are symmetrically distributed on both sides of the main speaker 91 so that the main speaker 91 and the auxiliary speakers 92 can cooperate in frequency division to achieve sound quality optimization.
[0036] Obviously, the embodiments described above are only some embodiments of this utility model, not all embodiments. The accompanying drawings show preferred embodiments of this utility model, but do not limit the patent scope of this utility model. This utility model can be implemented in many different forms; rather, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of this utility model. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this utility model specification and drawings, directly or indirectly applied to other related technical fields, are similarly within the patent protection scope of this utility model.
Claims
1. A magnetoacoustic sounder, characterized by include: The main body is equipped with an audio module for playing music. A mounting cavity is opened on one side of the main body. An electromagnet, a lamp board, a light guide plate, and a transparent container are arranged sequentially from the inside to the outside in the mounting cavity. The audio module is electrically connected to the electromagnet and the lamp board. Several LED beads are attached to the periphery of the lamp board, and the LED beads surround the light guide plate. The transparent container covers the opening of the mounting cavity, and a magnetofluid is provided in the inner cavity of the transparent container.
2. A magneto-acoustic sound of claim 1, wherein, The magnetohydrodynamic sound system also includes a diffuser, which is sandwiched between a light guide plate and a transparent container.
3. A magneto-acoustic sound of claim 1, wherein, The light panel is ring-shaped.
4. A magneto-acoustic sound of claim 1, wherein, The transparent container is made of glass.
5. A magneto-acoustic sound source according to claim 1, wherein The light guide plate is made of acrylic.
6. A magneto-acoustic sound source according to claim 1, wherein The main body includes a shell, at least three support legs, and a motherboard; The three support legs are all inclinedly connected to the bottom of the housing and are evenly distributed along the circumference of the housing to support the housing. The mounting cavity is set at the top of the housing with an upward opening. The audio module and the main board are both set inside the housing. The audio module is electrically connected to the electromagnet and the lamp board through the main board.
7. A magneto-acoustic speaker as claimed in claim 6, characterized in that Each of the supporting legs is equipped with a silicone foot pad at the end furthest from the housing.
8. A magneto-acoustic speaker according to claim 6, wherein The shell includes a circular disc-shaped base, a hollowed-out first support, a hollowed-out second support, and a cover; The support leg is connected to the bottom of the base, the main board is set inside the base, the top of the base is recessed to form a mixing cavity, the audio module is embedded in the inner wall of the mixing cavity, the first bracket is fixedly mounted in the mixing cavity and spaced apart from the audio module, the mounting cavity is set in the middle of the first bracket with an upward opening, the second bracket is a circular cover with a recessed bottom and is fixedly closed on the top of the base, surrounding the first bracket in the mixing cavity, the outline of the cover matches the second bracket and is fixedly covered on the top of the second bracket, the cover has several sound holes evenly distributed circumferentially, and both the cover and the second bracket have an open design in the middle to expose the transparent container.
9. A magneto-acoustic speaker according to claim 8, wherein The cover is fused and fixed to the second bracket by ultrasonic waves.
10. A magneto-acoustic sound source according to claim 8, wherein The audio module includes a main speaker and two auxiliary speakers. The main speaker and the auxiliary speakers are both embedded in the inner wall of the mixing cavity. The main speaker is located in the middle of the mixing cavity, and the two auxiliary speakers are symmetrically distributed on both sides of the main speaker.