High-frequency response enhanced ferrite driver

By designing a high-frequency response enhanced ferrite driver in the audio driver, and connecting the magneto-permeable ferrite with the support column of the diaphragm, the problem of low high-frequency bands of the invisible flat panel audio driver is solved, and a wider frequency response range and more stable magnetism are achieved.

CN222691853UActive Publication Date: 2025-03-28NINGBO JIASHENG ELECTRONICS CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421409590.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-20
Publication Date
2025-03-28
Estimated Expiration
2034-06-20

AI Technical Summary

Technical Problem

The invisible flat panel audio driver adopts a magnetic circuit component structure, which leads to low high-frequency bands, and the magnetic panel components are prone to demagnetization after long-term operation, reducing the frequency response range of the audio driver.

Method used

A high-frequency response-enhanced ferrite driver is designed. By setting up a support column on the outer wall of the diaphragm and fixedly connected to the magneto-conducting ferrite, the magnet ferrite is adapted to the centering support plate, the magnet plate, the magnet ring and the voice coil after conducting the electric signal, and generates an audio response. At the same time, the magneto-conducting ferrite is not easy to demagnetize after magnetization, and maintains magnetic properties for a long time.

Benefits of technology

It effectively improves the high frequency band of the audio driver, extends the magnetic retention time, and improves the frequency response range and stability of the audio driver.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222691853U_ABST
    Figure CN222691853U_ABST
Patent Text Reader

Abstract

The utility model discloses a high-frequency response enhanced ferrite driver, which relates to the technical field of sound drivers, and comprises a shell, through grooves are symmetrically arranged on the outer wall of the shell, basins are symmetrically and fixedly mounted on the inner wall of the shell, vibrating diaphragms are arranged on the outer walls of the two basins, dust covers are arranged on the outer walls of the two vibrating diaphragms, and the dust covers are arranged on the outer walls of the two vibrating diaphragms. Fixing pieces are symmetrically and fixedly installed on the outer wall of the shell, supporting columns are fixedly connected to the lower surfaces of the two vibrating diaphragms, and centering supporting pieces are fixedly connected to the inner walls of the two basin frames. According to the utility model, the supporting column is arranged on the outer wall of the vibrating diaphragm and is fixedly connected with the magnetic ferrite, the magnetic ferrite is sequentially matched with the centering disk, the magnetic plate, the magnet ring and the voice coil after being in conductive signal connection and generates audio response, and meanwhile, the magnetic ferrite is not easy to demagnetize after being magnetized and can keep magnetism for a long time; the high frequency band of the sound driver can be effectively improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of audio drivers, and more specifically to a high-frequency response enhanced ferrite driver. Background Art

[0002] The performance requirements for speaker units can be summarized as large carrying power, low distortion, wide frequency response, good transient response and high sensitivity. The most common woofers and midrange units are all electric speakers based on the conversion principle. They mostly use cone-shaped diaphragms, because this shape of diaphragm has a mature design and good performance. The driver is an essential component of the audio system.

[0003] In the Chinese utility model patent application number: CN202320135127.9, there is disclosed an invisible flat-panel audio driver, which includes a housing, a vibration component and a magnetic circuit component. The housing is a hollow cylindrical structure, which is surrounded by a top plate, a side plate and a bottom plate. The vibration component includes an annular bracket, a voice coil and a lead. The annular bracket is fixed on the inner wall of the top plate of the housing, and the voice coil is arranged on the outer ring of the annular bracket. One end of the lead is connected to the voice coil. The invisible flat-panel audio driver adopts a magnetic circuit component type audio driver structure. The high-frequency band of the audio driver is low, and the magnetic plate component is easily demagnetized after long-term operation, which reduces the frequency response range of the audio driver.

[0004] Therefore, it is necessary to propose a high-frequency response enhanced ferrite driver to solve the above problems. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The purpose of the utility model is to solve the problem that an invisible flat-panel audio driver adopts a magnetic circuit component type audio driver structure, the high-frequency band of the audio driver is low, the magnetic plate component is easily demagnetized after long-term operation, and the frequency response range of the audio driver is reduced. The utility model provides a high-frequency response enhanced ferrite driver.

[0007] (II) Technical solution

[0008] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0009] A high-frequency response enhanced ferrite driver comprises a shell, the outer wall of the shell is symmetrically provided with through grooves, the inner wall of the shell is symmetrically fixedly provided with a basin, the outer walls of two of the basins are provided with diaphragms, the outer walls of the two diaphragms are provided with dust covers, the outer wall of the shell is symmetrically fixedly provided with fixing plates, the lower surfaces of the two diaphragms are fixedly connected with support columns, the inner walls of the two basins are fixedly connected with centering support plates, the lower surfaces of the two basins are fixedly provided with magnetic conductive plates, the lower surfaces of the two magnetic conductive plates are fixedly connected with magnet rings, the lower surfaces of the two magnet rings are fixedly connected with magnetic conductive ferrites, the interiors of the two magnetic conductive ferrites are provided with through holes, and the outer walls of the two support columns are fixedly connected with voice coils.

[0010] Furthermore, an outer shell is fixedly mounted on one side outer wall of the shell, and a positioning groove is opened on one side outer wall of the shell, and the positioning groove corresponds to the outer shell.

[0011] Furthermore, a mounting shaft is provided on one outer surface of the shell, a cover plate is movably mounted on the outer surface of the mounting shaft, and the cover plate is rotationally connected and cooperated with the shell to open and close the outer surface of the shell.

[0012] Furthermore, a pull plate is fixedly mounted on one side outer wall of the cover plate, and rubber pads are symmetrically fixedly mounted on the outer wall of the shell. A plurality of rubber pads are distributed in a rectangular array and are used to fix the device in a horizontally lying position.

[0013] Furthermore, a buckle is fixedly mounted on an inner wall of one side of the cover plate, and a positioning plate is symmetrically fixedly mounted on an inner wall of the shell.

[0014] Furthermore, a baffle is fixedly mounted on the inner wall of one side of the two positioning plates, and a lithium battery is disposed on the inner wall of the two positioning plates.

[0015] Furthermore, a rubber ring is symmetrically fixedly installed on the outer wall of the shell, a control panel is provided on one side of the outer wall of the shell, and mounting grooves are symmetrically opened on the outer wall of the shell.

[0016] Furthermore, a handle is fixedly mounted on the inner walls of the two mounting grooves, and a controller is provided on the inner wall of one side of the shell. The provision of the handle helps to improve the convenience of moving the device.

[0017] Furthermore, the outer walls of the two magnetically conductive ferrites are provided with power connection plates, and the output end of the controller is provided with a wire, and the output end of the wire is adapted to the power connection plate.

[0018] Furthermore, screws are symmetrically threadedly installed on the outer walls of the two basin frames, and bolts are symmetrically threadedly installed on the inner lower surfaces of the two basin frames.

[0019] (III) Beneficial effects

[0020] The beneficial effects of the utility model are as follows:

[0021] 1. The utility model provides a support column on the outer wall of the diaphragm and fixedly connects it with the magnetic ferrite. After the conductive signal of the magnetic ferrite is connected, it is sequentially matched with the centering support plate, the magnetic plate, the magnet ring and the voice coil to generate an audio response. At the same time, the magnetic ferrite is not easy to demagnetize after magnetization and can maintain its magnetism for a long time, which can effectively improve the high-frequency band of the audio driver.

[0022] 2. The utility model provides a positioning plate on the inner wall of the shell and cooperates with the baffle to support and position the lithium battery for powering the driver device, which can effectively improve the convenience of maintaining the power supply of the device. By providing a shell and multiple rubber pads, the device can be placed horizontally, which has a wider range of usage scenarios and can further improve the frequency response range of the driver.

[0023] 3. The utility model provides a control panel on the outer wall of the shell and matches it with the controller, provides a power connection plate on the outer wall of the magnetic ferrite and cooperates with the wire to control the operation of the device, and provides a mounting groove on the outer wall of the shell to snap-fit ​​and position the handle to achieve the movement of the portable device, which can effectively improve the usage diversity of the device and make the actual operation more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional front view schematic diagram of the structure of the utility model;

[0025] Figure 2 It is a three-dimensional bottom view schematic diagram of the structure of the utility model;

[0026] Figure 3 It is a three-dimensional side cross-sectional schematic diagram of the structure of the utility model;

[0027] Figure 4 It is a three-dimensional cross-sectional schematic diagram of the structure of the utility model;

[0028] Figure 5 For this utility model Figure 3 A magnified schematic diagram of the structure of the middle A area;

[0029] Figure 6 For this utility model Figure 3 A magnified schematic diagram of the structure of the middle B region;

[0030] Figure 7 For this utility model Figure 4 A magnified schematic diagram of the structure of the middle C region.

[0031] Figure numerals: 1, shell; 2, through groove; 3, basin frame; 4, diaphragm; 5, dust cover; 6, fixing plate; 7, support column; 8, centering support plate; 9, magnetic plate; 10, magnet ring; 11, magnetic ferrite; 12, through hole; 13, voice coil; 14, shell; 15, positioning groove; 16, mounting shaft; 17, cover plate; 18, pull plate; 19, rubber pad; 20, buckle; 21, positioning plate; 22, baffle; 23, lithium battery; 24, rubber ring; 25, control panel; 26, mounting groove; 27, handle; 28, controller; 29, power strip; 30, wire; 31, screw; 32, bolt. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example 1

[0033] See also Figure 1-7 A high-frequency response enhanced ferrite driver comprises a shell 1, the outer wall of the shell 1 is symmetrically provided with through grooves 2, the inner wall of the shell 1 is symmetrically fixed with basin frames 3, the outer walls of two basin frames 3 are provided with diaphragms 4, the outer walls of the two diaphragms 4 are provided with dust covers 5, the outer wall of the shell 1 is symmetrically fixed with fixing plates 6, the lower surfaces of the two diaphragms 4 are fixedly connected with supporting columns 7, the inner walls of the two basin frames 3 are fixedly connected with centering supporting plates 8, the lower surfaces of the two basin frames 3 are fixedly provided with magnetic conductive plates 9, the lower surfaces of the two magnetic conductive plates 9 are fixedly connected with magnet rings 10, the lower surfaces of the two magnet rings 10 are fixedly connected with magnetic conductive ferrites 11, the interiors of the two magnetic conductive ferrites 11 are provided with through holes 12, and the outer walls of the two support columns 7 are fixedly connected with voice coils 13.

[0034] In this embodiment, a through groove 2 is provided on the outer wall of the shell 1 for supporting and positioning the basin frame 3 and realizing the clamping and fixing of the diaphragm 4. The two diaphragms 4 are located in the same vertical plane. A dust cover 5 is provided on the outer wall of the diaphragm 4 for dust prevention treatment at the cone center of the diaphragm 4. A plurality of fixing plates 6 are provided on the outer surface of the shell 1 and are distributed in a ring array for clamping and fixing the dust cover 5. A support column 7 is provided on the outer wall of the diaphragm 4 and fixedly connected to the magnetic ferrite 11. After the conductive signal of the magnetic ferrite 11 is connected, it is adapted to the centering support plate 8, the magnetic plate 9, the magnet ring 10 and the voice coil 13 in turn to generate an audio response. At the same time, the magnetic ferrite 11 is not easy to demagnetize after magnetization and can maintain its magnetism for a long time, which can effectively improve the high frequency band of the audio driver. Example 2

[0035] See also Figure 1-7 This embodiment is further optimized on the basis of the embodiment 1. Specifically, a shell 14 is fixedly mounted on one side outer wall of the shell 1. A positioning groove 15 is opened on one side outer wall of the shell 1. The positioning groove 15 corresponds to the shell 14.

[0036] Specifically, a mounting shaft 16 is provided on one side of the outer surface of the housing 14 , and a cover plate 17 is movably mounted on the outer surface of the mounting shaft 16 . The cover plate 17 is rotatably connected to the housing 14 for opening and closing the outer surface of the housing 14 .

[0037] Specifically, a pull plate 18 is fixedly mounted on one side outer wall of the cover plate 17 , and rubber pads 19 are symmetrically fixedly mounted on the outer wall of the housing 14 . The plurality of rubber pads 19 are distributed in a rectangular array and are used to fix the device in a horizontally lying position.

[0038] Specifically, a buckle 20 is fixedly mounted on an inner wall of one side of the cover plate 17 , and a positioning plate 21 is symmetrically fixedly mounted on an inner wall of the housing 1 .

[0039] Specifically, a baffle 22 is fixedly mounted on one inner wall of the two positioning plates 21 , and a lithium battery 23 is disposed on the inner wall of the two positioning plates 21 .

[0040] In this embodiment, a shell 14 is provided on the outer wall of the shell 1 and corresponds to the positioning groove 15 on the outer wall of the shell 1. A mounting shaft 16 is provided on the outer wall of the shell 14 to movably support the cover 17. The cover 17 is moved by holding the pull plate 18 to realize opening and closing of the outer surface of the shell 14, and the cover 17 is snapped and fixed by the force of the buckle 20. A positioning plate 21 is provided on the inner wall of the shell 1, and the support and positioning of the lithium battery 23 are realized through the cooperation of the baffle 22 to power the driver device, which can effectively improve the convenience of maintaining the power supply of the device. By providing the shell 14 and multiple rubber pads 19, the device can be placed horizontally, the usage scenario is more extensive, and the frequency response range of the driver can be further improved. Example 3

[0041] See also Figure 1-7 This embodiment is optimized as follows based on Example 1 or Example 2. Specifically, a rubber ring 24 is symmetrically fixedly installed on the outer wall of the shell 1, a control panel 25 is provided on one side of the outer wall of the shell 1, and a mounting groove 26 is symmetrically opened on the outer wall of the shell 1.

[0042] Specifically, handles 27 are fixedly mounted on the inner walls of the two mounting grooves 26 , and a controller 28 is disposed on the inner wall of one side of the housing 1 . The provision of the handles 27 helps to improve the convenience of moving the device.

[0043] Specifically, the outer walls of the two magnetically conductive ferrites 11 are provided with a power connection plate 29 , and the output end of the controller 28 is provided with a wire 30 , and the output end of the wire 30 is adapted to the power connection plate 29 .

[0044] Specifically, the outer walls of the two basin frames 3 are symmetrically threadedly installed with screws 31 , and the inner lower surfaces of the two basin frames 3 are symmetrically threadedly installed with bolts 32 .

[0045] In this embodiment, a rubber ring 24 is provided on the outer wall of the shell 1 to vertically place the device. In actual use, a control panel 25 is provided on the outer wall of the shell 1 and matched with the controller 28. A power connection plate 29 is provided on the outer wall of the magnetic ferrite 11 and coordinated with the wire 30 to control the operation of the device. An installation groove 26 is provided on the outer wall of the shell 1 to snap-in and position the handle 27, thereby realizing the movement of the portable device. This can effectively improve the usage diversity of the device and make the actual operation more convenient.

[0046] Working principle: When in use, firstly, the device is placed in a specific use area through the cooperation of the shell 1, and a through groove 2 is provided on the outer wall of the shell 1 to support and position the basin frame 3 and realize the clamping and fixing of the diaphragm 4. The two diaphragms 4 are located in the same vertical plane, and a dust cover 5 is provided on the outer wall of the diaphragm 4 to prevent dust from being applied to the cone center of the diaphragm 4. A plurality of fixing plates 6 are provided on the outer surface of the shell 1 and are distributed in a ring array to clamp and fix the dust cover 5. A support column 7 is provided on the outer wall of the diaphragm 4 and fixedly connected to the magnetic ferrite 11. After the conductive signal of the magnetic ferrite 11 is connected, it is adapted to the centering support plate 8, the magnetic plate 9, the magnetic ring 10 and the voice coil 13 in turn to generate an audio response. A shell 14 is provided on the outer wall of the shell 1 and corresponds to the positioning groove 15 on the outer wall of the shell 1. An installation shaft 16 is provided on the outer wall for movable support of the cover 17. The cover 17 is moved by holding the pull plate 18 to realize opening and closing of the outer surface of the shell 14, and the cover 17 is clamped and fixed by the force of the buckle 20. A positioning plate 21 is provided on the inner wall of the shell 1, and the baffle 22 cooperates to realize support and positioning of the lithium battery 23 for powering the driver device. A rubber ring 24 is provided on the outer wall of the shell 1 for vertical placement of the device. In actual use, a control panel 25 is provided on the outer wall of the shell 1 and is adapted to the controller 28. A power connection plate 29 is provided on the outer wall of the magnetic ferrite 11, and the wire 30 cooperates to control the operation of the device. A mounting groove 26 is provided on the outer wall of the shell 1 for clamping and positioning the handle 27 to realize movement of the portable device.

[0047] In summary, the utility model provides a plurality of fixing plates 6 on the outer surface of the shell 1 and distributes them in an annular array for clamping and fixing the dust cover 5, provides a support column 7 on the outer wall of the diaphragm 4 and fixes it with the magnetic conductive ferrite 11, and after the magnetic conductive ferrite 11 is connected with the conductive signal, it sequentially adapts with the centering support plate 8, the magnetic conductive plate 9, the magnetic ring 10 and the voice coil 13 to generate an audio response. At the same time, the magnetic conductive ferrite 11 is not easy to demagnetize after magnetization and can maintain its magnetism for a long time, which can effectively improve the high-frequency band of the audio driver. By providing a positioning plate 21 on the inner wall of the shell 1 and cooperating with the baffle 22, the utility model can be realized. The support and positioning of the lithium battery 23 is now used to power the driver device, which can effectively improve the convenience of maintaining the power supply of the device. By providing a shell 14 and multiple rubber pads 19, the device can be placed horizontally, with a wider range of usage scenarios, and can further improve the frequency response range of the driver. By providing a power connection plate 29 on the outer wall of the magnetic ferrite 11 and cooperating with a wire 30, it is used to control the operation of the device. By providing an installation groove 26 on the outer wall of the shell 1, it is used to clamp and position the handle 27 to achieve the movement of the portable device, which can effectively improve the diversity of use of the device, make actual operation more convenient, and is suitable for popularization.

[0048] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. The patent protection scope of the present invention shall be based on the claims. All equivalent structural changes made using the description and drawings of the present invention shall be included in the protection scope of the present invention.

Claims

1. A high frequency response enhanced ferrite driver, comprising a housing (1), characterized in that: The outer wall of the shell (1) is symmetrically provided with through grooves (2); the inner wall of the shell (1) is symmetrically fixedly provided with a basin frame (3); the outer walls of the two basin frames (3) are provided with diaphragms (4); the outer walls of the two diaphragms (4) are provided with dust covers (5); the outer wall of the shell (1) is symmetrically fixedly provided with fixing plates (6); the lower surfaces of the two diaphragms (4) are fixedly connected with support columns (7); the inner walls of the two basin frames (3) are fixedly connected with centering support plates (8); the lower surfaces of the two basin frames (3) are fixedly provided with magnetic conductive plates (9); the lower surfaces of the two magnetic conductive plates (9) are fixedly connected with magnet rings (10); the lower surfaces of the two magnet rings (10) are fixedly connected with magnetic conductive ferrites (11); the interiors of the two magnetic conductive ferrites (11) are provided with through holes (12); and the outer walls of the two support columns (7) are fixedly connected with voice coils (13).

2. The high frequency response enhanced ferrite driver according to claim 1, characterized in that: A shell (14) is fixedly mounted on one side outer wall of the shell (1), and a positioning groove (15) is provided on one side outer wall of the shell (1).

3. The high frequency response enhanced ferrite driver according to claim 2, characterized in that: A mounting shaft (16) is provided on one side outer surface of the housing (14), and a cover plate (17) is movably mounted on the outer surface of the mounting shaft (16).

4. The high frequency response enhanced ferrite driver according to claim 3, characterized in that: A pull plate (18) is fixedly mounted on one side outer wall of the cover plate (17), and a rubber pad (19) is symmetrically fixedly mounted on the outer wall of the housing (14).

5. The high frequency response enhanced ferrite driver according to claim 4, characterized in that: A buckle (20) is fixedly mounted on an inner wall of one side of the cover plate (17), and a positioning plate (21) is symmetrically fixedly mounted on an inner wall of the housing (1).

6. The high frequency response enhanced ferrite driver according to claim 5, characterized in that: A baffle (22) is fixedly mounted on one inner wall of the two positioning plates (21), and a lithium battery (23) is provided on the inner walls of the two positioning plates (21).

7. The high frequency response enhanced ferrite driver according to claim 1, characterized in that: A rubber ring (24) is symmetrically fixedly mounted on the outer wall of the shell (1), a control panel (25) is provided on one side of the outer wall of the shell (1), and mounting grooves (26) are symmetrically opened on the outer wall of the shell (1).

8. The high frequency response enhanced ferrite driver according to claim 7, characterized in that: A handle (27) is fixedly mounted on the inner walls of the two mounting grooves (26), and a controller (28) is provided on the inner wall of one side of the housing (1).

9. The high frequency response enhanced ferrite driver according to claim 1, characterized in that: The outer walls of the two magnetically conductive ferrites (11) are provided with power connection plates (29), and the output end of the controller (28) is provided with a wire (30).

10. The high frequency response enhanced ferrite driver according to claim 1, characterized in that: The outer walls of the two basin frames (3) are symmetrically threadedly mounted with screws (31), and the inner lower surfaces of the two basin frames (3) are symmetrically threadedly mounted with bolts (32).

Citation Information

Patent Citations

  • Invisible flat-panel sound equipment driver

    CN219287717U