A small-bore high-power loudspeaker
Patent Information
- Application Number
- CN202521930316.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-09
- Publication Date
- 2026-09-11
- Estimated Expiration
- 2035-09-09
AI Technical Summary
[0003]然而，现有小口径大功率扬声器普遍存在缺陷：传统结构中，锦丝线通常直接从音圈引出后绕过弹波边缘连接至接线端子，这种布置方式导致锦丝线与弹波的接触面积小、贴合度差，在音圈高频振动时，锦丝线容易脱离预设位置发生偏移，容易与弹波的边缘或盆架的内侧壁发生摩擦产生杂音，从而影响扬声器的可靠性
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Figure CN224746655U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electroacoustic device technology, and in particular to a small-diameter, high-power loudspeaker. Background Technology
[0002] As a core component for electroacoustic conversion, the performance of loudspeakers directly affects the quality of audio playback. Traditional loudspeakers, to ensure sufficient vibration space and acoustic performance, often employed a large design. While this met basic sound quality requirements at the time, it is ill-suited to modern society's pursuit of portability and miniaturization. With the development of multimedia technology, the consumer loudspeaker market exhibits a clear trend towards smaller size and higher power. This necessitates a significant reduction in loudspeaker size, especially in diameter, which needs to be kept within a small range (e.g., under 6 inches) to achieve a compact overall design.
[0003] However, existing small-diameter, high-power loudspeakers generally have defects: in the traditional structure, the nylon wire is usually led directly from the voice coil and then wrapped around the edge of the spider to connect to the terminal block. This arrangement results in a small contact area and poor fit between the nylon wire and the spider. When the voice coil vibrates at high frequencies, the nylon wire is prone to deviating from the preset position and easily rubs against the edge of the spider or the inner wall of the frame, generating noise and thus affecting the reliability of the loudspeaker. Utility Model Content
[0004] Therefore, it is necessary to provide a small-diameter, high-power loudspeaker.
[0005] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A small-diameter high-power loudspeaker includes a frame and a magnetic conductive assembly, a voice coil, a spider, a cone, and a terminal block respectively mounted on the frame. The inner periphery of the spider is fixedly connected to the outer periphery of the voice coil, and the outer periphery of the spider is fixedly connected to the inner periphery of the frame. The bottom section of the voice coil is placed in the magnetic cavity formed by the magnetic conductive assembly. The top end face of the voice coil is fixedly connected to the inner side wall of the cone. A nylon wire is connected to each side of the voice coil. A first nylon wire hole and a second nylon wire hole are provided on both end faces of the spider. Each nylon wire passes through the first nylon wire hole on the same side from the corresponding end face of the spider, extends a predetermined length circumferentially on the inner side of the spider, and then comes out from the second nylon wire hole on the same side and is fixedly connected to the terminal block provided on the outer side wall of the frame.
[0006] Furthermore, the first and second rope holes on the same side are spaced apart along the circumferential direction of the elastic wave.
[0007] Furthermore, the voice coil is wound with a double-layered winding distributed at intervals on the outer peripheral section corresponding to the magnetic conductive component, and the outer surface of the voice coil above the spider is respectively provided with the brocade wires that are connected one-to-one with the lead-out ends on both sides of the double-layered winding.
[0008] Furthermore, the basin frame has a through groove on the outer wall opposite the second cord hole, and the brocade thread passes through the through groove and connects to the terminal block.
[0009] Furthermore, the terminal block includes a mounting plate and a terminal plate. One side of the mounting plate is mounted on the basin frame, while the other side extends to the outer wall of the through groove and is fixed to the terminal plate. The terminal plate and the mounting plate are provided with mounting holes for the brocade wires to pass through.
[0010] Furthermore, the magnetic guiding assembly includes a magnetic base, a main magnet, a secondary magnet, and a magnetic plate. The magnetic base is provided with a cap ring and a magnetic post. The main magnet is disposed on the cap ring. The first end of the magnetic plate is disposed on the main magnet, and the second end of the magnetic plate is fixed to the bottom of the frame. The magnetic post is movably connected to the voice coil, and the top surface of the magnetic post is fixedly connected to the secondary magnet. The main magnet and the magnetic plate have through holes. The inner surface formed by the hole wall of the through hole and the inner ring surface of the cap ring and the outer surface of the magnetic post form the magnetic cavity.
[0011] Furthermore, the magnetically conductive assembly also includes a magnetically conductive ring, which is disposed within the magnetic cavity and connected to the inner ring surface of the cap brim ring.
[0012] Furthermore, the magnetically conductive assembly also includes a short-circuit ring sleeved on the magnetically conductive post, and the auxiliary magnet is attached to the short-circuit ring.
[0013] Furthermore, a connecting post is provided on the top surface of the magnetic plate, and a connecting hole is opened on the bottom end face of the basin frame, and the connecting post is fixed in the connecting hole.
[0014] Furthermore, a dust cap is provided on the cone, which covers the outside of the voice coil.
[0015] By adopting the above technical solution, the present invention has at least the following beneficial effects: In this embodiment, by opening a first rope hole and a second rope hole on both sides of the spring, each nylon wire passes through the first rope hole on the same side from the corresponding side end face of the spring, extends a predetermined length circumferentially on the inner side of the spring, and then comes out from the second rope hole on the same side, and is fixedly connected to the terminal block provided on the outer wall of the frame. When the voice coil vibrates, the nylon wire can fit tightly against the spring, effectively preventing the nylon wire from shifting or rubbing against other parts during vibration, reducing noise. At the same time, the elasticity of the spring can also buffer the vibration stress of the nylon wire, effectively improving the structural stability of the speaker in high-power output scenarios. Attached Figure Description
[0016] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 This is a schematic diagram of an optional embodiment of the small-diameter, high-power loudspeaker of this utility model;
[0018] Figure 2 This is a partially disassembled three-dimensional schematic diagram of an optional embodiment of the small-diameter high-power loudspeaker of this utility model;
[0019] Figure 3 This is a schematic diagram of the structure of a small-diameter, high-power loudspeaker of the present invention, showing the silk thread on the voice coil passing through the spider from an upward viewing angle;
[0020] Figure 4 This is a three-dimensional schematic diagram showing the disassembled magnetic guide assembly of an optional embodiment of the small-diameter high-power loudspeaker of this utility model;
[0021] Figure 5 This is a cross-sectional schematic diagram of an optional embodiment of the small-diameter, high-power loudspeaker of this utility model.
[0022] In the attached diagram, 1 is the speaker frame; 10 is the through slot; 11 is the connecting hole; 2 is the magnetic guide assembly; 20 is the magnetic cavity; 21 is the magnetic guide base; 211 is the cap ring; 212 is the magnetic guide post; 22 is the main magnet; 23 is the auxiliary magnet; 24 is the magnetic guide plate; 241 is the connecting post; 26 is the magnetic guide ring; 27 is the short-circuit ring; 3 is the voice coil; 30 is the nylon wire; 31 is the double-layer winding; 4 is the spring; 41 is the first rope hole; 42 is the second rope hole; 5 is the cone; 50 is the dust cap; 6 is the terminal block; 61 is the mounting plate; 62 is the terminal block; and 63 is the mounting hole. Detailed Implementation
[0023] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments of the present invention can be combined with each other. The technical solutions of the present invention will be further described below with reference to the accompanying drawings of the embodiments. The present invention is not limited to the specific embodiments described below.
[0024] It should be understood that the same or similar reference numerals in the accompanying drawings of the embodiments correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper," "lower," "front," "rear," "left," "right," "top," and "bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms describing positional relationships in the accompanying drawings are for illustrative purposes only and should not be construed as limiting this patent. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances.
[0025] like Figures 1-5 As shown, an optional embodiment of this utility model provides a small-diameter high-power loudspeaker, including a frame 1 and a magnetic conductive assembly 2, a voice coil 3, a spider 4, a cone 5, and a terminal block 6 respectively mounted on the frame 1. The inner periphery of the spider 4 is fixedly connected to the outer peripheral wall of the voice coil 3, and the outer periphery of the spider 4 is fixedly connected to the inner peripheral wall of the frame 1. The bottom section of the voice coil 3 is placed in the magnetic cavity 20 formed by the magnetic conductive assembly 2. The top end face of the voice coil 3 is fixedly connected to the inner side wall of the cone 5. A nylon wire 30 is connected to each side of the voice coil 3. A first rope hole 41 and a second rope hole 42 are provided on both end faces of the spider 4. Each nylon wire 30 passes through the first rope hole 41 on the same side from the corresponding end face of the spider 4, extends a predetermined length circumferentially on the inner side of the spider 4, and then winds out from the second rope hole 42 on the same side and is fixedly connected to the terminal block 6 provided on the outer side wall of the frame 1.
[0026] In this embodiment, a first rope hole 41 and a second rope hole 42 are opened on both sides of the spring wave 4. Each nylon wire 30 passes through the first rope hole 41 on the same side from the corresponding side end face of the spring wave 4, extends a predetermined length circumferentially on the inner side of the spring wave 4, and then comes out from the second rope hole 42 on the same side. It is then fixedly connected to the terminal block 6 provided on the outer wall of the frame 1. When the voice coil 3 vibrates, the nylon wire 30 can fit tightly against the spring wave 4, effectively preventing the nylon wire 30 from shifting or rubbing against other parts during vibration, reducing noise. At the same time, the elasticity of the spring wave 4 can also buffer the vibration stress of the nylon wire 30, effectively improving the structural stability of the loudspeaker in high-power output scenarios.
[0027] In one optional embodiment of this utility model, such as Figure 2 , Figure 3 and Figure 5 As shown, the first threading hole 41 and the second threading hole 42 on the same side are spaced apart along the circumference of the wave 4. In this embodiment, by arranging the first threading hole 41 and the second threading hole 42 spaced apart along the circumference of the wave 4, it is easier for the brocade thread 30 to be turned and threaded. The wave structure along the circumference of the wave 4 can limit the brocade thread 30 located at the bottom of the wave 4, making the overall structure more compact and stable.
[0028] In one optional embodiment of this utility model, such as Figure 3 and Figure 5 As shown, the voice coil 3 is wound with spaced double-layer windings 31 on the outer peripheral section corresponding to the magnetic conductive component 2. The outer surface of the voice coil 3 above the spider 4 is provided with nylon wires 30 that correspond one-to-one with the leads on both sides of the double-layer windings 31. In this embodiment, the double-layer windings 31 wound on the voice coil 3 allow the small-diameter speaker to maintain its compact size while further improving its sensitivity, enabling the speaker to achieve a larger volume output with a smaller input power. This allows the voice coil 3 to drive the cone 5 more powerfully, resulting in a stronger and clearer sound. Furthermore, the increased heat dissipation area of the double-layer windings 31, along with the gaps between the windings, facilitates airflow and effectively enhances heat dissipation.
[0029] In one optional embodiment of this utility model, such as Figure 1 and Figure 2 As shown, the basket frame 1 has a through groove 10 on its outer wall opposite the second cord hole 42. The nylon wire 30 passes through the through groove 10 and connects to the terminal block 6. In this embodiment, by directly creating a through groove 10 on the basket frame 1 for the nylon wire 30 to pass through and connect to the terminal block 6, subsequent maintenance and replacement work can be easily carried out through the through groove 10, thus improving the maintainability of the speaker.
[0030] In one optional embodiment of this utility model, such as Figure 2 As shown, the terminal block 6 includes a mounting plate 61 and a terminal plate 62. One side of the mounting plate 61 is mounted on the basin frame 1, while the other side extends to the outer wall of the through groove 10 and is fixed to the terminal plate 62. The terminal plate 62 and the mounting plate 61 are provided with mounting holes 63 for the nylon wires 30 to pass through. In this embodiment, the terminal block 6 includes a mounting plate 61 and a terminal plate 62. One side of the mounting plate 61 is fixed to the basin frame 1, and the other side extends to the through groove 10, and the terminal plate 62 is mounted on its outer side. This allows the nylon wires 30 to pass smoothly through the mounting holes 63 and achieve a stable connection with the terminal plate 62.
[0031] In one optional embodiment of this utility model, such as Figure 1 , Figure 4 and Figure 5 As shown, the magnetic guiding assembly 2 includes a magnetic base 21, a main magnet 22, a secondary magnet 23, and a magnetic guiding plate 24. The magnetic base 21 is provided with a cap ring 211 and a magnetic guiding post 212. The main magnet 22 is disposed on the cap ring 211. The first end of the magnetic guiding plate 24 is disposed on the main magnet 22, and the second end of the magnetic guiding plate 24 is fixed to the bottom of the frame 1. The magnetic guiding post 212 is movably connected to the voice coil 3, and the top surface of the magnetic guiding post 212 is fixedly connected to the secondary magnet 23. The main magnet 22 and the magnetic guiding plate 24 are provided with through holes (not shown in the figure). The inner surface formed by the hole wall of the through hole and the inner ring surface of the cap ring 211 and the outer surface of the magnetic guiding post 212 are spaced apart to form the magnetic cavity 20.
[0032] In this embodiment, the magnetic base 21 serves as a support structure, placing the main magnet 22 on the cap ring 211, which can stably generate magnetic lines of force. The magnetic plate 24 guides and converges the magnetic lines of force, with one end connected to the main magnet 22 and the other end firmly fixed to the bottom of the frame 1, thereby constructing a magnetic field structure. The magnetic post 212 serves as a movable connection component within the voice coil 3, with a secondary magnet 23 on its top surface that can enhance the magnetic field strength. Furthermore, the through holes opened on the main magnet 22 and the magnetic plate 24 form the magnetic cavity 20 through the gap between the inner surface formed by the hole wall and the inner ring surface of the cap ring 211 and the outer surface of the magnetic post 212, which can act on the voice coil 3 to ensure the efficiency and sound quality of the speaker.
[0033] In one optional embodiment of this utility model, such as Figure 1 , Figure 4 and Figure 5 As shown, the magnetic guiding assembly 2 further includes a magnetic guiding ring 26, which is disposed within the magnetic cavity 20 and connected to the inner ring surface of the cap brim ring 211. In this embodiment, by providing the magnetic guiding ring 26, which is connected to the inner surface of the cap brim ring 211, the magnetic field at the magnetic gap becomes more uniform, thereby reducing distortion during voice coil 3 vibration and effectively improving sound clarity.
[0034] In one optional embodiment of this utility model, such as Figure 1 , Figure 4 and Figure 5 As shown, the magnetic guiding assembly 2 further includes a short-circuit ring 27 sleeved on the magnetic guiding post 212, and the auxiliary magnet 23 is attached to the short-circuit ring 27. This embodiment reduces the harmonic distortion components of the speaker, improves the high-frequency output efficiency of the speaker, and widens the high-frequency bandwidth by adding a short-circuit ring 27 to the magnetic guiding post 212 and attaching the auxiliary magnet 23 to the short-circuit ring 27.
[0035] In one optional embodiment of this utility model, such as Figure 4 As shown, a connecting post 241 is protruding from the top surface of the magnetic plate 24, and a connecting hole 11 is formed on the bottom end surface of the basin frame 1. The connecting post 241 is fixed in the connecting hole 11. In this embodiment, there are multiple connecting posts 241, and the number of connecting holes 11 is equal to the number of connecting posts 241. The connecting posts 241 are evenly distributed on the magnetic plate 24, and the magnetic plate 24 can be stably installed at the bottom of the basin frame 1 by being fixed in the connecting hole 11 by the connecting posts 241.
[0036] In one optional embodiment of this utility model, such as Figure 2 and Figure 5 As shown, the cone 5 is also provided with a dust cap 50, which covers the outer side of the voice coil 3. In this embodiment, the dust cap 50 is a thin film structure with a certain arc shape. Since the voice coil 3 is a hollow structure, by providing the dust cap 50 to cover the top of the voice coil 3, it can play a sealing role, preventing dirt from the external environment from falling into the voice coil 3, thereby avoiding contamination of the voice coil 3, avoiding affecting the normal operation of the voice coil 3, and helping to ensure the normal vibration of the voice coil 3, thereby ensuring the sound quality of the loudspeaker.
[0037] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.
Claims
1. A small-diameter, high-power loudspeaker, comprising a frame and a magnetic conductive assembly, a voice coil, a spider, a cone, and terminals respectively mounted on the frame, wherein the inner periphery of the spider is fixedly connected to the outer peripheral wall of the voice coil, the outer periphery of the spider is fixedly connected to the inner peripheral wall of the frame, the bottom section of the voice coil is placed within a magnetic cavity formed by the magnetic conductive assembly, and the top end face of the voice coil is fixedly connected to the inner side wall of the cone, characterized in that... Each side of the voice coil is connected to a brocade thread. The two end faces of the spring are provided with a first threading hole and a second threading hole. Each brocade thread passes through the first threading hole on the same side from the corresponding end face of the spring, extends a predetermined length circumferentially on the inner side of the spring, and then comes out from the second threading hole on the same side, and is fixedly connected to the terminal block provided on the outer wall of the frame.
2. The small-bore high-power loudspeaker of claim 1, wherein, The first and second rope holes on the same side are spaced apart along the circumference of the elastic wave.
3. The small-bore high-power loudspeaker of claim 1, wherein, The voice coil is wound with a double-layered winding distributed at intervals on the outer peripheral section corresponding to the magnetic conductive component. The outer surface of the voice coil above the spider is provided with brocade wires that are connected one-to-one with the lead-out ends on both sides of the double-layered winding.
4. The small-bore high-power loudspeaker of claim 3, wherein, The basin frame has a through groove on the outer wall opposite the second cord hole, and the brocade thread passes through the through groove and connects to the terminal block.
5. The small-bore high-power loudspeaker of claim 4, wherein, The terminal block includes a mounting plate and a terminal plate. One side of the mounting plate is mounted on the basin frame, while the other side extends to the outer wall of the through groove and is fixed to the terminal plate. The terminal plate and the mounting plate are provided with mounting holes for the brocade wires to pass through.
6. The small-bore high-power loudspeaker of claim 1, wherein, The magnetic guiding assembly includes a magnetic base, a main magnet, a secondary magnet, and a magnetic plate. The magnetic base is provided with a cap ring and a magnetic post. The main magnet is disposed on the cap ring. The first end of the magnetic plate is disposed on the main magnet, and the second end of the magnetic plate is fixed to the bottom of the frame. The magnetic post is movably connected to the voice coil, and the top surface of the magnetic post is fixedly connected to the secondary magnet. The main magnet and the magnetic plate have through holes. The inner surface formed by the hole wall of the through hole and the inner ring surface of the cap ring and the outer surface of the magnetic post form the magnetic cavity.
7. The small-bore high-power loudspeaker of claim 6, wherein, The magnetically conductive assembly further includes a magnetically conductive ring, which is disposed within the magnetic cavity and connected to the inner ring surface of the cap brim ring.
8. The small-bore high-power loudspeaker of claim 6 or 7, wherein, The magnetic conductive assembly also includes a short-circuit ring sleeved on the magnetic conductive post, and the auxiliary magnet is attached to the short-circuit ring.
9. The small-bore high-power loudspeaker of claim 6, wherein, The top surface of the magnetic plate has a protruding connecting post, and the bottom surface of the basin frame has a connecting hole, in which the connecting post is fixed.
10. The small-diameter, high-power loudspeaker according to claim 1, characterized in that, The cone is also equipped with a dust cap, which covers the outside of the voice coil.