Ferrite-based high-frequency voice coil driver
The quick disassembly and assembly structure and stability design solve the problem of inconvenient maintenance of ferrite magnet voice coil drivers, achieving the effects of convenient maintenance and stable operation.
Patent Information
- Application Number
- CN202422530825.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-21
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-10-21
AI Technical Summary
The existing ferrite magnet voice coil driver has a complex structure during use, which makes maintenance inconvenient.
A quick disassembly and assembly structure for components such as the mounting tube, rubber gasket, mounting ring, support plate, and sound speaker is designed. Quick disassembly and assembly are achieved through the cooperation of positioning blocks and slots. The stability design of multiple sets of magnets and magnetic drive sheets is combined with the heat dissipation structure of the mounting cover, heat sink, and ventilation net.
It enables convenient maintenance of ferrite high-frequency voice coil drivers, improves driver stability and heat dissipation efficiency, and ensures stable operation and reliability of the equipment.
Smart Images

Figure CN223348785U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of high-frequency voice coil drivers, in particular to a high-frequency voice coil driver based on ferrite. Background Art
[0002] The voice coil is an important sound-producing component inside the speaker. It is driven by a dedicated driver to produce sound. The voice coil driver is generally composed of a magnet and a magnetic conductor, and is driven by magnetic force. There are many types of magnets, among which ferrite magnets are commonly used and are widely used in various types of speakers.
[0003] However, the current ferrite magnet voice coil driver still has some defects in use. Due to the complex internal structure, it is difficult to easily repair the internal structure once a fault occurs.
[0004] Now a new type of ferrite-based high-frequency voice coil driver is proposed to solve the above problems. Utility Model Content
[0005] The purpose of the present invention is to provide a ferrite-based high-frequency voice coil driver to solve the problem of inconvenient maintenance in the above-mentioned background technology.
[0006] To achieve the above objectives, the present invention provides the following technical solution: a ferrite-based high-frequency voice coil driver, comprising an outer shell, a mounting tube fixedly connected to the interior of the outer shell, a sounding speaker disposed on one side of the mounting tube, a mounting plate fixedly connected to one side of the exterior of the sounding speaker, the centerline of the sounding speaker and the centerline of the mounting tube being co-ordinately vertical, and a mounting structure for quick assembly and disassembly disposed on the exterior of the mounting tube;
[0007] The mounting structure includes a mounting ring, a mounting ring is movably connected to one side of the outside of the mounting tube, a support plate is fixedly connected to one side of the mounting plate, a rubber gasket is fixedly connected to one side of the outer shell, two groups of grooves are respectively provided at both ends of one side of the outside of the mounting tube, a spring is fixedly connected to one side of the inside of the groove, a positioning block is fixedly connected to one side of one end of the spring, and two groups of positioning slots are respectively provided at both ends of one side of the mounting ring.
[0008] Preferably, the positioning block is movably connected to the positioning slot, and the support plate is fixedly connected to the mounting ring.
[0009] Preferably, the mounting ring is movably connected to the rubber gasket, and the center line of the mounting ring and the center line of the mounting tube are on the same horizontal plane.
[0010] Preferably, the interior of the mounting cylinder is movably connected to an annular magnet, one side of the annular magnet is movably connected to a magnetic conductive substrate, the other side of the annular magnet is movably connected to an annular magnet, the interior of the annular magnet is movably connected to a supporting cylinder, the exterior of the supporting cylinder is movably connected to an annular diaphragm, a cylindrical magnet is provided inside the annular magnet, a cylindrical magnet is provided on one side of the cylindrical magnet, and a driving plate is provided on one side of the cylindrical magnet.
[0011] Preferably, the driving plate is movably connected to the supporting cylinder, and the annular magnetic conductor is movably connected to the mounting cylinder.
[0012] Preferably, a mounting cover is movably connected to one side of the outside of the mounting tube, a ventilation net is inlaid on one side of the mounting cover, a rubber ring is fixedly connected to the inside of the mounting cover, an annular groove is opened on one side of the outside of the mounting tube, a heat conducting plate is fixedly connected to one side of the mounting tube, and a heat sink is fixedly connected to one side of the heat conducting plate.
[0013] Preferably, the annular groove is movably connected to the rubber ring, and the center line of the mounting cover and the center line of the mounting cylinder are on the same horizontal plane.
[0014] Preferably, the heat conducting plate passes through one side of the mounting tube and extends into the interior of the mounting tube, and the center line of the rubber ring and the center line of the mounting cover are on the same vertical plane.
[0015] Compared with the prior art, the beneficial effects of the present invention are: the ferrite-based high-frequency voice coil driver not only realizes convenient maintenance and improves driving stability, but also realizes effective heat dissipation;
[0016] (1) By providing a mounting tube, a rubber gasket, a mounting ring, a support plate, a sounding speaker, a groove, a positioning block, a mounting plate, a positioning slot and a spring piece, when maintenance is required, the positioning block is pressed to disengage it from the inside of the positioning slot, and then the mounting ring can be pulled to quickly remove it from the outside of the mounting tube, so that the sounding speaker can be removed from one side of the mounting tube to facilitate maintenance of the internal components. After completion, the mounting ring is sleeved on the outside of the mounting tube, and the spring piece inside the groove can push out the positioning block and engage with the positioning slot, so that the sounding speaker is positioned by the mounting ring, which makes it easy to disassemble and repair;
[0017] (2) By providing a mounting tube, a magnetic conductive substrate, a cylindrical magnet, an annular magnet, an annular magnetic conductor, an annular diaphragm, a supporting tube, a driving plate and a cylindrical magnetic conductor, when the driver is in operation, multiple groups of magnets and magnetic conductors inside the mounting tube drive the driving plate on one side to move, so as to drive the sound speaker through the driving plate, and the driving plate is attached to the inside of the supporting tube, which can effectively limit the driving plate, thereby improving the stability of the driving plate during movement and preventing the driving plate from shaking and affecting the sound, thereby achieving the goal of improving the stability of the driver during operation;
[0018] (3) By providing a mounting tube, a mounting cover, a ventilation net, a heat sink, a heat conducting plate, an annular groove and a rubber ring, when the driver is in operation, the heat generated by the components inside the mounting tube can be conducted to the outside through the heat sink on one side, and the heat conducting plate on one side of the heat sink can increase the contact area with the external air to increase the heat conduction speed. Finally, the hot air can be discharged through the ventilation net to reduce the temperature inside the mounting tube, thereby realizing automatic heat dissipation and cooling during operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic diagram of the front cross-sectional structure of the present utility model;
[0020] Figure 2 This is a schematic diagram of the front cross-sectional structure of the installation tube of the present invention;
[0021] Figure 3 This is a schematic diagram of the front view structure of the groove of the utility model;
[0022] Figure 4 This is a side structural diagram of the heat conducting plate of the present invention.
[0023] In the figure: 1. outer shell; 2. mounting tube; 3. mounting cover; 4. ventilation net; 5. heat sink; 6. heat conducting plate; 7. annular groove; 8. rubber ring; 9. rubber gasket; 10. mounting ring; 11. support plate; 12. sound speaker; 13. groove; 14. positioning block; 15. mounting plate; 16. positioning slot; 17. magnetic conductive substrate; 18. cylindrical magnet; 19. annular magnet; 20. annular magnetic conductor; 21. annular diaphragm; 22. supporting tube; 23. driving plate; 24. cylindrical magnetic conductor; 25. spring. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0025] Example: See Figure 1-4 A ferrite-based high-frequency voice coil driver includes an outer shell 1, a mounting tube 2 fixedly connected to the interior of the outer shell 1, a sound speaker 12 provided on one side of the mounting tube 2, a mounting plate 15 fixedly connected to one side of the outer side of the sound speaker 12, the centerline of the sound speaker 12 and the centerline of the mounting tube 2 being in the same vertical plane, and a mounting structure for quick disassembly and assembly provided on the outer side of the mounting tube 2;
[0026] The mounting structure includes a mounting ring 10, a mounting ring 10 is movably connected to one side of the outer side of the mounting cylinder 2, a support plate 11 is fixedly connected to one side of the mounting plate 15, a rubber gasket 9 is fixedly connected to one side of the outer shell 1, two groups of grooves 13 are respectively formed at both ends of one side of the outer side of the mounting cylinder 2, a spring piece 25 is fixedly connected to one side of the inner side of the groove 13, a positioning block 14 is fixedly connected to one side of one end of the spring piece 25, and two groups of positioning slots 16 are respectively formed at both ends of one side of the mounting ring 10;
[0027] The positioning block 14 is movably connected to the positioning slot 16, and the support plate 11 is fixedly connected to the mounting ring 10;
[0028] The mounting ring 10 is movably connected to the rubber gasket 9, and the center line of the mounting ring 10 is on the same horizontal plane as the center line of the mounting tube 2;
[0029] Specifically, if Figure 1 and Figure 3 As shown, when maintenance is required, press the positioning block 14 to disengage it from the positioning slot 16, and then pull the mounting ring 10 to quickly remove it from the outside of the mounting tube 2, so that the sound speaker 12 can be removed from one side of the mounting tube 2 to facilitate maintenance of the internal components. After completion, the mounting ring 10 is sleeved on the outside of the mounting tube 2, and the spring piece 25 inside the groove 13 can push out the positioning block 14 and engage it with the positioning slot 16, so that the sound speaker 12 is positioned by the mounting ring 10, which makes it easy to disassemble and repair.
[0030] An annular magnet 19 is movably connected to the interior of the mounting cylinder 2. A magnetic conductive substrate 17 is movably connected to one side of the annular magnet 19. An annular magnetic conductive body 20 is movably connected to the other side of the annular magnet 19. A supporting cylinder 22 is movably connected to the interior of the annular magnetic conductive body 20. An annular diaphragm 21 is movably connected to the exterior of the supporting cylinder 22. A cylindrical magnet 18 is provided inside the annular magnet 19. A cylindrical magnetic conductive body 24 is provided on one side of the cylindrical magnet 18. A driving piece 23 is provided on one side of the cylindrical magnetic conductive body 24.
[0031] The driving piece 23 is movably connected to the supporting cylinder 22, and the annular magnetic conductor 20 is movably connected to the mounting cylinder 2;
[0032] Specifically, if Figure 2As shown, when the driver is running, the multiple groups of magnets and the magnetic conductor inside the mounting tube 2 drive the driving plate 23 on one side to move, so as to drive the sound speaker 12 through the driving plate 23, and the driving plate 23 fits inside the supporting tube 22, which can effectively limit the driving plate 23 to improve the stability of the driving plate 23 during movement, prevent the driving plate 23 from shaking and affecting the sound, thereby improving the stability of the driver during operation.
[0033] A mounting cover 3 is movably connected to one side of the exterior of the mounting cylinder 2. A ventilation net 4 is embedded on one side of the mounting cover 3. A rubber ring 8 is fixedly connected to the interior of the mounting cover 3. An annular groove 7 is provided on one side of the exterior of the mounting cylinder 2. A heat conducting plate 6 is fixedly connected to one side of the mounting cylinder 2. A heat sink 5 is fixedly connected to one side of the heat conducting plate 6.
[0034] The annular groove 7 is movably connected to the rubber ring 8, and the center line of the mounting cover 3 and the center line of the mounting tube 2 are on the same horizontal plane;
[0035] The heat conducting plate 6 passes through one side of the mounting tube 2 and extends into the interior of the mounting tube 2. The center line of the rubber ring 8 and the center line of the mounting cover 3 are on the same vertical plane.
[0036] Specifically, if Figure 1 、 Figure 2 and Figure 4 As shown, when the driver is running, the heat generated by the components inside the mounting tube 2 can be conducted to the outside through the heat sink 5 on one side, and the heat conducting plate 6 on one side of the heat sink 5 can increase the contact area with the external air to increase the heat conduction speed. Finally, the hot air can be discharged through the ventilation net 4 to reduce the temperature inside the mounting tube 2, thereby realizing automatic heat dissipation and cooling during operation.
[0037] Working principle: When the utility model is in use, during operation, the multiple groups of magnets and the magnetic conductor inside the mounting tube 2 drive the driving piece 23 on one side to move, so as to drive the sound speaker 12 through the driving piece 23, and the driving piece 23 is fitted into the inside of the supporting tube 22, which can effectively limit the driving piece 23, so as to improve the stability of the driving piece 23 during movement, and prevent the driving piece 23 from shaking and affecting the sound. When maintenance is needed, press the positioning block 14 to disengage it from the positioning slot 16, and then pull the mounting ring 10 to quickly remove it from the outside of the mounting tube 2, so that the sound speaker 12 can be removed from the mounting tube 2. One side is removed to facilitate the inspection of the internal components. After completion, the mounting ring 10 is sleeved on the outside of the mounting tube 2, and the spring piece 25 inside the groove 13 can push out the positioning block 14 and engage with the positioning slot 16, so that the sound speaker 12 is positioned through the mounting ring 10. When the driver is running, the heat generated by the components inside the mounting tube 2 can be conducted to the outside through the heat sink 5 on one side, and the heat conducting plate 6 on one side of the heat sink 5 can increase the contact area with the external air to increase the heat conduction speed. Finally, the hot air can be discharged through the ventilation net 4 to reduce the temperature inside the mounting tube 2.
Claims
1. A ferrite-based high-frequency voice coil driver, comprising an outer shell (1), characterized in that: The interior of the outer shell (1) is fixedly connected to a mounting cylinder (2), a sounding speaker (12) is provided on one side of the mounting cylinder (2), a mounting plate (15) is fixedly connected to one side of the exterior of the sounding speaker (12), a center line of the sounding speaker (12) and a center line of the mounting cylinder (2) are on the same vertical plane, and a mounting structure for quick disassembly and assembly is provided on the exterior of the mounting cylinder (2); The mounting structure comprises a mounting ring (10), one side of the outside of the mounting cylinder (2) is movably connected to the mounting ring (10), one side of the mounting plate (15) is fixedly connected to a support plate (11), one side of the outer shell (1) is fixedly connected to a rubber gasket (9), two groups of grooves (13) are respectively provided at both ends of one side of the outside of the mounting cylinder (2), one side of the inside of the groove (13) is fixedly connected to a spring piece (25), one side of one end of the spring piece (25) is fixedly connected to a positioning block (14), and two groups of positioning slots (16) are respectively provided at both ends of one side of the mounting ring (10).
2. The ferrite-based high-frequency voice coil driver according to claim 1, characterized in that: The positioning block (14) is movably connected to the positioning slot (16), and the support plate (11) is fixedly connected to the mounting ring (10).
3. The ferrite-based high-frequency voice coil driver according to claim 1, characterized in that: The mounting ring (10) is movably connected to the rubber gasket (9), and the center line of the mounting ring (10) and the center line of the mounting cylinder (2) are on the same horizontal plane.
4. The ferrite-based high-frequency voice coil driver according to claim 1, characterized in that: The interior of the mounting cylinder (2) is movably connected to an annular magnet (19), one side of the annular magnet (19) is movably connected to a magnetic conductive substrate (17), the other side of the annular magnet (19) is movably connected to an annular magnet (20), the interior of the annular magnet (20) is movably connected to a support cylinder (22), the exterior of the support cylinder (22) is movably connected to an annular diaphragm (21), a cylindrical magnet (18) is provided inside the annular magnet (19), a cylindrical magnet (24) is provided on one side of the cylindrical magnet (18), and a driving plate (23) is provided on one side of the cylindrical magnet (24).
5. The ferrite-based high-frequency voice coil driver according to claim 4, characterized in that: The driving plate (23) is movably connected to the supporting cylinder (22), and the annular magnetic conductor (20) is movably connected to the mounting cylinder (2).
6. The ferrite-based high-frequency voice coil driver according to claim 1, characterized in that: One side of the exterior of the mounting tube (2) is movably connected to a mounting cover (3), one side of the mounting cover (3) is inlaid with a ventilation net (4), the interior of the mounting cover (3) is fixedly connected to a rubber ring (8), one side of the exterior of the mounting tube (2) is provided with an annular groove (7), one side of the mounting tube (2) is fixedly connected to a heat conducting plate (6), and one side of the heat conducting plate (6) is fixedly connected to a heat sink (5).
7. The ferrite-based high-frequency voice coil driver according to claim 6, characterized in that: The annular groove (7) is movably connected to the rubber ring (8), and the center line of the mounting cover (3) and the center line of the mounting cylinder (2) are on the same horizontal plane.
8. The ferrite-based high-frequency voice coil driver according to claim 6, characterized in that: The heat conducting plate (6) passes through one side of the mounting tube (2) and extends to the interior of the mounting tube (2), and the center line of the rubber ring (8) and the center line of the mounting cover (3) are on the same vertical plane.