A fully enclosed loudspeaker structure

Abstract

This utility model relates to a fully enclosed loudspeaker structure, comprising: a frame, the top of which is a closed conical structure; a set of wire connection terminals are provided on the side wall of the conical structure, the wire connection terminals being connected to external electronic wires; a magnetic circuit, located on the outer side of the top of the frame; a voice coil, embedded in the inner side of the frame, the voice coil wire being welded and fixed to the wire connection terminals, the magnetic field generated by the voice coil after being energized cooperating with the magnetic circuit; a spider, located on the outer side of the voice coil, used to support the voice coil and provide tension; a diaphragm, located on the inner side of the frame and connected to the voice coil, the diaphragm vibrating due to the electromagnetic action of the voice coil; vent holes on the diaphragm; and a waterproof and breathable membrane attached to the vent holes of the diaphragm. The closed conical structure of the frame top of this utility model, by providing vent holes on the diaphragm and attaching a waterproof and breathable membrane, effectively avoids the limitation of conventional loudspeakers being unable to waterproof due to air leakage, and solves the problem of internal air pressure imbalance in customer structures.

Description

Technical Field

[0001] This utility model relates to the field of loudspeaker manufacturing technology, and in particular to a fully enclosed loudspeaker structure. Background Technology

[0002] With the rapid development of electronic products, consumers' demands for sound quality are increasing, especially in portable audio devices, home theater systems, and car audio systems. As a key component of audio equipment, the performance of loudspeakers directly affects sound quality. Traditional loudspeaker designs, while pursuing high-fidelity sound quality, also face structural limitations and environmental adaptability issues.

[0003] When a loudspeaker is working, the diaphragm vibrates and compresses air. It is necessary to ensure that the air pressure inside and outside the loudspeaker is balanced, otherwise it will affect the lifespan and sound quality of the loudspeaker. Conventional loudspeakers solve this problem by opening holes in the frame, but this is affected by the air pressure inside the customer's structure. Although these designs can provide good sound quality to a certain extent, they have obvious shortcomings in terms of waterproofing, dustproofing, and structural limitations, and cannot achieve complete waterproofing, which limits their application in outdoor or humid environments. Utility Model Content

[0004] Therefore, the technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a fully enclosed speaker structure. The top of the frame is a closed cone structure. By setting vent holes on the diaphragm and attaching a waterproof and breathable membrane, the limitation of conventional speakers being unable to be waterproof due to venting problems is effectively avoided, and the problem of unbalanced air pressure inside the customer's structure is solved.

[0005] To solve the above-mentioned technical problems, this utility model provides a fully enclosed loudspeaker structure, comprising: A basin stand, the top of which is a closed cone structure; a set of wire connection terminals are provided on the side wall of the cone structure, and the wire connection terminals are connected to external electronic wires; Magnetic circuitry is provided on the outer side of the top of the basin frame; A voice coil is embedded in the inner side of the frame, and the voice coil wire is welded and fixed to the wire connection end. The magnetic field generated by the voice coil after being energized is matched with the magnetic circuit. A spider, positioned on the outside of the voice coil, is used to support the voice coil and provide tension; A diaphragm is disposed on the inner side of the frame and connected to the voice coil. The diaphragm vibrates through the electromagnetic action of the voice coil. The diaphragm is provided with vent holes. A waterproof and breathable membrane is attached to the vent holes of the diaphragm.

[0006] In one embodiment of the present invention, the bottom of the basin stand is provided with a support fixing plate, and the support fixing plate is provided with at least one set of fixing ears.

[0007] In one embodiment of this utility model, a locking hole is provided on the fixing ear plate.

[0008] In one embodiment of this utility model, a shock-absorbing pad is provided on the side of the support fixing plate away from the magnetic circuit.

[0009] In one embodiment of this utility model, the magnetic circuit includes a T-iron and magnets, with the magnets all sleeved on the outside of the T-iron. The T-iron is used to enhance the magnetic field strength of the magnets, so that the voice coil can generate enough force to drive the diaphragm to vibrate even with a small current.

[0010] In one embodiment of this utility model, a gasket is also provided between the magnet and the basin stand.

[0011] In one embodiment of this utility model, the outer diameter of the magnet is larger than the outer diameter of the T-iron and the pad.

[0012] In one embodiment of this utility model, the spring is a ring structure formed by connecting several corrugations, the inner edge of the ring structure is fixed to the voice coil, and the outer edge of the ring structure abuts against the inner side of the frame.

[0013] In one embodiment of the present invention, the wire connection end includes a first wire riveting terminal and a second wire riveting terminal. The first wire riveting terminal is embedded in the outer wall of the cone structure, and the second wire riveting terminal is riveted and fixed to the first wire riveting terminal.

[0014] In one embodiment of this utility model, the second wire riveting terminal is provided with a wire welding hole.

[0015] Compared with the prior art, the above-mentioned technical solution of this utility model has the following beneficial effects: The present invention discloses a fully enclosed speaker structure, wherein the top of the frame is a closed cone structure, and by setting vent holes on the diaphragm and attaching a waterproof and breathable membrane, the fully enclosed structure of the speaker is achieved, which solves the problem of insufficient waterproof performance caused by vent holes in traditional speakers, while ensuring the balance of air pressure inside and outside the speaker, thus improving sound quality and service life. Attached Figure Description

[0016] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. Figure 1This is a schematic diagram of the fully enclosed loudspeaker structure in a preferred embodiment of the present invention; Figure 2 for Figure 1 The exploded view of the fully enclosed loudspeaker structure shown; Figure 3 for Figure 1 The cross-sectional view of the fully enclosed loudspeaker shown; Figure 4 This is a schematic diagram of the wire connection end of this utility model.

[0017] Instruction manual drawing reference numerals: 1. Screw; 11. Wire connection terminal; 111. First wire riveting terminal; 112. Second wire riveting terminal; 12. Support plate; 121. Fixed ear plate; 122. Locking hole; 2. Magnetic circuit; 21. T-iron; 22. Magnet; 23. Washer; 3. Voice coil; 4. Spider; 5. Diaphragm; 51. Vent hole; 6. Waterproof and breathable membrane; 7. Shock-absorbing pad. Detailed Implementation

[0018] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand and implement the present invention. However, the embodiments are not intended to limit the present invention.

[0019] Reference Figure 1-3 As shown, the present invention provides a fully enclosed loudspeaker structure, comprising: The basin frame 1 has a closed cone-shaped top structure; a set of wire connection terminals 11 are provided on the side wall of the cone structure, and the wire connection terminals 11 are connected to external electronic wires. Magnetic circuit 2 is located on the outer top of the basin frame 1; The voice coil 3 is embedded in the inner side of the frame 1. The voice coil wire of the voice coil 3 is welded and fixed to the wire connection end 11. The magnetic field generated by the voice coil 3 after being energized is matched with the magnetic circuit 2. The spider 4 is located on the outside of the voice coil 3 and is used to support the voice coil 3 and provide tension; The diaphragm 5 is located on the inner side of the frame 1 and is connected to the voice coil 3. The diaphragm 5 vibrates through the electromagnetic action of the voice coil 3. The diaphragm 5 is provided with a vent hole 51. A waterproof and breathable membrane 6 is attached to the vent hole 51 of the sound membrane 5.

[0020] Furthermore, the bottom of the speaker frame 1 is provided with a support fixing plate 12, and the support fixing plate 12 is provided with at least one set of fixing ear plates 121. The support fixing plate 12 and fixing ear plates 121 at the bottom of the speaker frame 1 enhance the installation stability of the speaker, so that it can be more firmly fixed to the customer mechanism 100, avoiding loosening caused by vibration or external force, and improving the reliability and service life of the speaker.

[0021] In this embodiment, a locking hole 122 is provided on the fixed ear plate 121. The locking hole 122 on the fixed ear plate 121 facilitates the secure installation of the speaker on the customer mechanism 100 by screws or other fasteners, further enhancing the stability of the installation, while simplifying the installation process and improving production efficiency.

[0022] Furthermore, a ring of damping pads 7 is provided on the side of the support plate 12 away from the magnetic circuit 2. The damping pads 7 can effectively absorb and isolate external vibrations, reduce the impact of vibrations on sound quality, and protect the internal structure of the speaker from mechanical impact, thereby further improving the sound quality and durability of the speaker.

[0023] Preferably, the magnetic circuit 2 includes a T-iron 21 and a magnet 22. The magnet 22 is sleeved on the outside of the T-iron 21. The T-iron 21 is used to enhance the magnetic field strength of the magnet 22, so that the voice coil 3 can generate enough force to drive the diaphragm 5 to vibrate even with a small current.

[0024] Furthermore, a shim 23 is provided between the magnet 22 and the frame 1. The shim 23 between the magnet 22 and the frame 1 can adjust the gap of the magnetic circuit 2, optimize the magnetic field distribution, and ensure the stability and consistency of the magnetic circuit 2, thereby improving the performance and reliability of the speaker.

[0025] In this embodiment, the outer diameter of the magnet 22 is larger than that of the T-iron 21 and the spacer 23. The larger outer diameter of the magnet 22 allows for better containment of the T-iron 21, enhancing the concentration and strength of the magnetic field, further improving the speaker's performance, and simultaneously optimizing the structural design for greater compactness.

[0026] Specifically, the spider 4 is a ring-shaped structure composed of several corrugated loops. The inner edge of the ring-shaped structure is fixed to the voice coil 3, and the outer edge of the ring-shaped structure abuts against the inner side of the frame 1. The spider 4 is located on the outside of the voice coil 3, and its main function is to provide support and tension for the voice coil 3. The ring-shaped structure of the spider 4 ensures that the voice coil 3 maintains a stable trajectory during vibration, preventing the voice coil 3 from shifting or twisting during vibration, thereby ensuring the stability and consistency of sound quality.

[0027] The wire connection end 11 includes a first wire riveting terminal 111 and a second wire riveting terminal 112. The first wire riveting terminal 111 is embedded in the outer wall of the conical structure, and the second wire riveting terminal 112 is riveted and fixed to the first wire riveting terminal 111. The wire connection end 11 adopts the structure of riveting the first wire riveting terminal 111 and the second wire riveting terminal 112, which enhances the firmness and reliability of the wire connection, prevents sound quality problems or malfunctions caused by poor contact, and facilitates production and maintenance. After the first wire riveting terminal 111 and the second wire riveting terminal 112 are riveted, they are further sealed with glue.

[0028] The second wire riveting terminal 112 is provided with a wire welding hole. By welding the wire to the wire welding hole, the wire can be more firmly connected to the second wire riveting terminal 112.

[0029] The working principle of a fully enclosed loudspeaker structure based on the above structure is as follows: When an external audio signal is transmitted to the voice coil 3 through the wire connection terminal 11, an alternating current is generated in the voice coil 3. According to Ampere's circuital law, the current passing through the voice coil 3 generates a magnetic field. The magnetic field of the voice coil 3 interacts with the constant magnetic field generated by the magnetic circuit 2. According to the Lorentz force law, the voice coil 3 is subjected to a force perpendicular to both the direction of the current and the direction of the magnetic field, thus driving the voice coil 3 to vibrate. The vibration of the voice coil 3 drives the diaphragm 5 connected to it to vibrate. The vibration of the diaphragm 5 causes the air to be compressed and rarefied, thereby forming sound waves that propagate outward. The vibration frequency and amplitude of the diaphragm 5 are proportional to the frequency and amplitude of the input audio signal, thus realizing the reproduction and amplification of the audio signal. During the vibration process, the diaphragm 5 compresses and releases air, causing changes in the air pressure inside the speaker. To balance the internal and external air pressure, the diaphragm 5 is provided with a vent hole 51, and a waterproof and breathable membrane 6 is attached to the vent hole 51. This waterproof and breathable membrane 6 allows air to pass through but prevents moisture and dust from entering the speaker, thus ensuring air pressure balance and achieving the waterproof and dustproof function of a fully enclosed speaker.

[0030] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A fully enclosed speaker structure, characterized by, include: A basin stand, the top of which is a closed cone structure; a set of wire connection terminals are provided on the side wall of the cone structure, and the wire connection terminals are connected to external electronic wires; Magnetic circuitry is provided on the outer side of the top of the basin frame; A voice coil is embedded in the inner side of the frame, and the voice coil wire is welded and fixed to the wire connection end. The magnetic field generated by the voice coil after being energized is matched with the magnetic circuit. A spider, positioned on the outside of the voice coil, is used to support the voice coil and provide tension; A diaphragm is disposed on the inner side of the frame and connected to the voice coil. The diaphragm vibrates through the electromagnetic action of the voice coil. The diaphragm is provided with vent holes. A waterproof and breathable membrane is attached to the vent holes of the diaphragm.

2. The fully enclosed loudspeaker structure according to claim 1, characterized in that, The bottom of the basin stand is provided with a support and fixing plate, and the support and fixing plate is provided with at least one set of fixing lugs.

3. The fully enclosed loudspeaker structure according to claim 2, characterized in that, The fixing ear plate is provided with locking holes.

4. The fully enclosed loudspeaker structure according to claim 3, characterized in that, A shock-absorbing pad is provided on the side of the support plate away from the magnetic circuit.

5. The fully enclosed loudspeaker structure according to claim 1, characterized in that, The magnetic circuit includes a T-iron and magnets. The magnets are all sleeved on the outside of the T-iron. The T-iron is used to enhance the magnetic field strength of the magnets, so that the voice coil can generate enough force to drive the diaphragm to vibrate even with a small current.

6. The fully enclosed loudspeaker structure according to claim 5, characterized in that, A gasket is also provided between the magnet and the basin stand.

7. The fully enclosed loudspeaker structure according to claim 6, characterized in that, The outer diameter of the magnet is larger than that of the T-iron and the gasket.

8. The fully enclosed loudspeaker structure according to claim 1, characterized in that, The spring is a ring structure formed by connecting several corrugations. The inner edge of the ring structure is fixed to the voice coil, and the outer edge of the ring structure abuts against the inner side of the frame.

9. The fully enclosed loudspeaker structure according to claim 1, characterized in that, The wire connection end includes a first wire riveting terminal and a second wire riveting terminal. The first wire riveting terminal is embedded in the outer wall of the cone structure, and the second wire riveting terminal is riveted and fixed to the first wire riveting terminal.

10. A fully enclosed loudspeaker structure according to claim 9, characterized in that, The second wire riveting terminal is provided with wire welding holes.

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