Bass unit

Abstract

The utility model discloses a bass unit, which relates to the technical field of loudspeakers and comprises a frame, a magnetic circuit system, a voice coil, a wave handle, a honeycomb diaphragm plate and an elastic dangling edge, the magnetic circuit system is fixed at the bottom of the frame, a magnetic gap is arranged in the magnetic circuit system, the voice coil is arranged in the magnetic gap, the wave handle is fixedly sleeved in the voice coil, the top of the wave handle is fixed at the bottom of the honeycomb diaphragm plate, and the elastic dangling edge is fixed at the bottom of the honeycomb diaphragm plate. The elastic dangling edge is fixedly connected with the honeycomb vibrating diaphragm plate and the top of the frame, the honeycomb vibrating diaphragm plate comprises a bottom plate, a top plate and a honeycomb hole layer fixed between the bottom plate and the top plate, and the bass unit adopts the flat-plate-shaped honeycomb vibrating diaphragm plate, so that the structure is more compact on the premise of ensuring the tone quality.

Description

Technical Field

[0001] The utility model relates to the technical field of loudspeakers, in particular to a bass unit. Background Art

[0002] A loudspeaker is a transducer device that converts electrical signals into sound signals. A woofer is a main component of a woofer. At present, most diaphragms in existing woofers are conical diaphragms, such as the first diaphragm, the second diaphragm and the third diaphragm in the three-way loudspeaker disclosed in Chinese patent CN216721570U. Limited by the conical shape, the volume of the woofer is relatively large. Utility Model Content

[0003] In view of the defects of the above-mentioned prior art, the purpose of the present invention is to provide a woofer unit, change the shape of the diaphragm, and solve the problem that the woofer unit structure cannot be more compact due to the influence of the diaphragm shape.

[0004] The purpose of the utility model is achieved by the following technical solutions:

[0005] A bass unit comprises a basin frame, a magnetic circuit system, a voice coil, a wave handle, a honeycomb diaphragm plate and an elastic suspension edge, wherein the magnetic circuit system is fixed to the bottom of the basin frame, a magnetic gap is provided in the magnetic circuit system, the voice coil is arranged in the magnetic gap, the wave handle is fixedly sleeved in the voice coil, the top of the wave handle is fixed to the bottom of the honeycomb diaphragm plate, the elastic suspension edge is fixedly connected to the honeycomb diaphragm plate and the top of the basin frame, and the honeycomb diaphragm plate comprises a bottom plate, a top plate and a honeycomb hole layer fixed between the bottom plate and the top plate.

[0006] Furthermore, it also includes a bracket and a damper, wherein the damper is arranged between the basin frame and the magnetic circuit system, the outer side of the damper is fixed to the lower part of the basin frame, the inner side of the damper does not contact the magnetic circuit system, the bottom of the bracket is fixed to the inner side of the damper, and the top of the bracket is fixedly supported on the bottom of the honeycomb diaphragm plate.

[0007] Furthermore, there are multiple brackets, the tops of the multiple brackets are fixed together on the upper ring frame, the bottoms of the multiple brackets are fixed together on the lower ring frame, the upper ring frame is fixed to the bottom edge of the base plate, and the lower ring frame is fixed on the inner side of the elastic wave.

[0008] Furthermore, the basin frame includes a base, a support frame arranged on the base, and a mounting frame arranged on the top of the support frame. The base, the support frame and the mounting frame are an integrated structure. The magnetic circuit system is fixed in the base. A first step is provided in the bottom of the support frame, and the outer side of the elastic wave is fixed on the first step. A second step is provided in the top of the mounting frame, and the outer side of the elastic suspension edge is fixed on the second step.

[0009] Furthermore, the magnetic circuit system includes an upper magnetic conductive plate, a lower magnetic conductive plate and a magnet, the lower magnetic conductive plate includes a U ferromagnetic plate and a cylindrical magnetic plate, the cylindrical magnetic plate is fixed in the U ferromagnetic plate, the magnet is sleeved outside the cylindrical magnetic plate and is arranged on the U ferromagnetic plate, the upper magnetic conductive plate is sleeved outside the cylindrical magnetic plate and is arranged on the magnet, the upper magnetic conductive plate, the magnet and the U ferromagnetic plate do not contact the side wall of the cylindrical magnetic plate and form the magnetic gap between the cylindrical magnetic plate.

[0010] Furthermore, the elastic hanging edge includes an arched elastic ring, an outer connecting edge and an inner connecting edge, the outer connecting edge is fixedly connected to the outer side of the arched elastic ring, the inner connecting edge is fixedly connected to the inner side of the arched elastic ring, the outer connecting edge is fixed to the top of the basin frame, and the inner connecting edge is fixed to the outer edge of the honeycomb diaphragm plate.

[0011] Furthermore, the honeycomb hole layer includes a plurality of support plates, the support plates are fixed between the top plate and the bottom plate, and the support plates are surrounded by a honeycomb hole shape.

[0012] Furthermore, the honeycomb diaphragm plate is circular.

[0013] The beneficial effects of the utility model are:

[0014] Compared with the prior art, the honeycomb diaphragm plate of the utility model is in the shape of a flat plate, which can effectively reduce the volume of the woofer and make the structure of the woofer more compact. At the same time, the honeycomb diaphragm plate is provided with a multi-layer structure, which increases the strength of the honeycomb diaphragm plate and ensures that the honeycomb diaphragm plate will not be deformed when vibrating up and down, thereby ensuring the sound quality of the woofer. At the same time, honeycomb holes are provided in the middle layer of the honeycomb diaphragm plate. On the premise of ensuring the strength of the honeycomb diaphragm plate, the weight of the honeycomb diaphragm plate is reduced to ensure the smooth vibration of the honeycomb diaphragm plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the bass unit of the utility model;

[0016] Figure 2 is a cross-sectional view of the bass unit of the utility model;

[0017] Figure 3 This is a structural exploded view of the honeycomb diaphragm plate in the utility model;

[0018] Figure 4 It is a structural schematic diagram of the honeycomb diaphragm plate in the utility model;

[0019] Figure 5 It is a structural schematic diagram of the bracket in the utility model;

[0020] Figure 6It is a structural schematic diagram of the basin frame in the utility model.

[0021] In the figure: 1. basin frame; 101. base; 102. support frame; 103. mounting frame; 2. magnetic circuit system; 201. upper magnetic conductive plate; 202. lower magnetic conductive plate; 2021. U ferromagnetic plate; 2022. cylindrical magnetic plate; 203. magnet; 3. voice coil; 4. wave handle; 5. honeycomb diaphragm plate; 501. bottom plate; 502. top plate; 503. honeycomb hole layer; 5031. support plate; 6. elastic hanging edge; 601. arched elastic ring; 602. outer connecting edge; 603. inner connecting edge; 7. magnetic gap; 8. bracket; 9. elastic wave; 10. upper ring frame; 11. lower ring frame; 12. first step; 13. second step. DETAILED DESCRIPTION

[0022] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clearly understood, the utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0023] like Figures 1 to 6 As shown, the utility model provides a bass unit, including a basin frame 1, a magnetic circuit system 2, a voice coil 3, a wave handle 4, a honeycomb diaphragm plate 5 and an elastic suspension 6, the magnetic circuit system 2 is fixed to the bottom of the basin frame 1, a magnetic gap 7 is provided in the magnetic circuit system 2, the voice coil 3 is provided in the magnetic gap 7 and can move up and down in the magnetic gap 7, a wave handle 4 is fixedly sleeved in the voice coil 3, the upper part of the wave handle 4 extends out of the voice coil 3 and the top is fixed to the bottom of the honeycomb diaphragm plate 5, the elastic suspension 6 is fixedly connected to the honeycomb diaphragm plate 5 and the top of the basin frame 1, and the honeycomb diaphragm plate 5 includes a bottom plate 501, a top plate 502 and a honeycomb hole layer 503 fixed between the bottom plate 501 and the top plate 502.

[0024] The voice coil 3 moves back and forth in the magnetic gap 7, driving the wave handle 4 to move up and down, and the wave handle 4 further drives the honeycomb diaphragm plate 5 to vibrate up and down, thereby realizing the conversion between electric and acoustic energy. The elastic suspension edge 6 is used to limit the movement direction of the honeycomb diaphragm plate 5, ensuring that the honeycomb diaphragm plate 5 can only vibrate up and down to avoid lateral movement.

[0025] The honeycomb diaphragm plate 5 adopts a flat plate shape, which can effectively reduce the volume of the woofer, making the woofer structure more compact. At the same time, the honeycomb diaphragm plate 5 is arranged with a multi-layer structure, which increases the strength of the honeycomb diaphragm plate 5 and ensures that the honeycomb diaphragm plate 5 will not be deformed when vibrating up and down, thereby ensuring the sound quality of the woofer.

[0026] refer to Figure 3 and Figure 4The honeycomb hole layer 503 includes a plurality of support plates 5031, which are fixed between the top plate 502 and the bottom plate 501, and the support plates 5031 are surrounded by a honeycomb hole shape. The honeycomb holes are arranged in the middle layer of the honeycomb diaphragm plate 5, and the weight of the honeycomb diaphragm plate 5 is reduced while ensuring the strength of the honeycomb diaphragm plate 5, so as to ensure the stable vibration of the honeycomb diaphragm plate 5. Under the premise of ensuring the strength and weight of the honeycomb diaphragm plate 5, the honeycomb holes can be regular polygonal holes or circular holes, or irregular holes.

[0027] refer to Figure 1 and Figure 2 The bass unit also includes a bracket 8 and a spring wave 9. The spring wave 9 is arranged between the basin frame 1 and the magnetic circuit system 2. The outer side of the spring wave 9 is fixed to the lower part of the basin frame 1, and the inner side of the spring wave 9 does not contact the magnetic circuit system 2. The bottom of the bracket 8 is fixed to the inner side of the spring wave 9, and the top of the bracket 8 is fixedly supported on the bottom of the honeycomb diaphragm plate 5. The bracket 8 is arc-shaped.

[0028] Under the support of the elastic wave 9 , the bracket 8 can move up and down along with the honeycomb diaphragm plate 5 . The bracket 8 provides further support for the honeycomb diaphragm plate 5 , thereby enhancing the stability of the honeycomb diaphragm plate 5 .

[0029] refer to Figure 2 and Figure 5 There are multiple brackets 8, the tops of the multiple brackets 8 are fixed together on the upper ring frame 10, the bottoms of the multiple brackets 8 are fixed together on the lower ring frame 11, the upper ring frame 10 is fixed to the bottom edge of the bottom plate 501, and the lower ring frame 11 is fixed to the inner side of the elastic wave 9.

[0030] The upper ring frame 10 and the lower ring frame 11 fix all the brackets 8 together to form an integrated structure, ensuring that all the brackets 8 can move upward or downward at the same time, ensuring that the honeycomb diaphragm plate 5 vibrates smoothly up and down.

[0031] refer to Figure 2 and Figure 6 The basin frame 1 includes a base 101, a support frame 102 arranged on the base 101 and a mounting frame 103 arranged on the top of the support frame 102. The base 101, the support frame 102 and the mounting frame 103 are an integrated structure. The magnetic circuit system 2 is fixed in the base 101. A first step 12 is provided in the bottom of the support frame 102, and the outer side of the elastic wave 9 is fixed on the first step 12. A second step 13 is provided in the top of the mounting frame 103, and the outer side of the elastic suspension edge 6 is fixed on the second step 13.

[0032] By providing a base 101, a support frame 102 and a mounting frame 103, the magnetic circuit system 2, the voice coil 3, the wave handle 4, the honeycomb diaphragm plate 5, the elastic suspension 6, the elastic wave 9 and the bracket 8 are reasonably installed in the basin frame 1, and the structure is compact.

[0033] refer to Figure 2The magnetic circuit system 2 includes an upper magnetic conductive plate 201, a lower magnetic conductive plate 202 and a magnet 203. The lower magnetic conductive plate 202 includes a U ferromagnetic plate 2021 and a cylindrical magnetic plate 2022. The cylindrical magnetic plate 2022 is fixed in the U ferromagnetic plate 2021. The U ferromagnetic plate 2021 and the cylindrical magnetic plate 2022 are an integrated structure. The magnet 203 is sleeved outside the cylindrical magnetic plate 2022 and is arranged on the U ferromagnetic plate 2021. The upper magnetic conductive plate 201 is sleeved outside the cylindrical magnetic plate 2022 and is arranged on the magnet 203. The upper magnetic conductive plate 201, the magnet 203 and the U ferromagnetic plate 2021 do not contact the side wall of the cylindrical magnetic plate 2022 and form a magnetic gap 7 with the cylindrical magnetic plate 2022.

[0034] refer to Figure 2 The elastic hanging edge 6 includes an arched elastic ring 601, an outer connecting edge 602 and an inner connecting edge 603. The outer connecting edge 602 is fixedly connected to the outer side of the arched elastic ring 601, and the inner connecting edge 603 is fixedly connected to the inner side of the arched elastic ring 601. The outer connecting edge 602 is fixed to the second step 13 at the top of the basin frame 1, and the inner connecting edge 603 is fixed to the outer edge of the honeycomb diaphragm plate 5. The arched elastic ring 601 can deform up and down following the vibration of the honeycomb diaphragm plate 5.

[0035] Furthermore, the honeycomb diaphragm plate 5 is circular.

[0036] Different from the traditional conical diaphragm, the honeycomb diaphragm plate 5 of the utility model is in the shape of a flat plate, which can effectively reduce the volume of the woofer and make the structure of the woofer more compact. At the same time, the honeycomb diaphragm plate 5 is provided with a multi-layer structure, which increases the strength of the honeycomb diaphragm plate 5 and ensures that the honeycomb diaphragm plate 5 will not be deformed when vibrating up and down, thereby ensuring the sound quality of the woofer. At the same time, honeycomb holes are provided in the middle layer of the honeycomb diaphragm plate 5. On the premise of ensuring the strength of the honeycomb diaphragm plate 5, the weight of the honeycomb diaphragm plate 5 is reduced to ensure the smooth vibration of the honeycomb diaphragm plate 5.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall fall within the protection scope of the present invention.

Claims

1. A bass unit, characterized in that: The invention comprises a basin frame (1), a magnetic circuit system (2), a voice coil (3), a wave handle (4), a honeycomb diaphragm plate (5) and an elastic suspension edge (6), wherein the magnetic circuit system (2) is fixed to the bottom of the basin frame (1), a magnetic gap (7) is provided in the magnetic circuit system (2), the voice coil (3) is provided in the magnetic gap (7), the wave handle (4) is fixedly sleeved in the voice coil (3), the top of the wave handle (4) is fixed to the bottom of the honeycomb diaphragm plate (5), the elastic suspension edge (6) is fixedly connected to the honeycomb diaphragm plate (5) and the top of the basin frame (1), and the honeycomb diaphragm plate (5) comprises a bottom plate (501), a top plate (502) and a honeycomb hole layer (503) fixed between the bottom plate (501) and the top plate (502).

2. A bass unit according to claim 1, characterized in that: It also includes a bracket (8) and a spring (9), wherein the spring (9) is arranged between the basin frame (1) and the magnetic circuit system (2), the outer side of the spring (9) is fixed to the lower part of the basin frame (1), the inner side of the spring (9) does not contact the magnetic circuit system (2), the bottom of the bracket (8) is fixed to the inner side of the spring (9), and the top of the bracket (8) is fixedly supported on the bottom of the honeycomb diaphragm plate (5).

3. A bass unit according to claim 2, characterized in that: There are a plurality of brackets (8), the tops of the plurality of brackets (8) are fixed together on an upper ring frame (10), the bottoms of the plurality of brackets (8) are fixed together on a lower ring frame (11), the upper ring frame (10) is fixed to the bottom edge of the bottom plate (501), and the lower ring frame (11) is fixed to the inner side of the damper (9).

4. A bass unit according to claim 2, characterized in that: The basin frame (1) comprises a base (101), a support frame (102) arranged on the base (101), and a mounting frame (103) arranged on the top of the support frame (102); the base (101), the support frame (102) and the mounting frame (103) are an integrated structure; the magnetic circuit system (2) is fixed in the base (101); a first step (12) is provided in the bottom of the support frame (102); the outer side of the elastic wave (9) is fixed on the first step (12); a second step (13) is provided in the top of the mounting frame (103); and the outer side of the elastic hanging edge (6) is fixed on the second step (13).

5. A bass unit according to claim 1, characterized in that: The magnetic circuit system (2) comprises an upper magnetic conductive plate (201), a lower magnetic conductive plate (202) and a magnet (203); the lower magnetic conductive plate (202) comprises a U ferromagnetic plate (2021) and a cylindrical magnetic plate (2022); the cylindrical magnetic plate (2022) is fixedly arranged in the U ferromagnetic plate (2021); the magnet (203) is sleeved outside the cylindrical magnetic plate (2022) and arranged on the U ferromagnetic plate (2021); the upper magnetic conductive plate (201) is sleeved outside the cylindrical magnetic plate (2022) and arranged on the magnet (203); the upper magnetic conductive plate (201), the magnet (203) and the U ferromagnetic plate (2021) do not contact the side wall of the cylindrical magnetic plate (2022) and form the magnetic gap (7) between the upper magnetic conductive plate (201), the magnet (203) and the U ferromagnetic plate (2021) and the cylindrical magnetic plate (2022).

6. A bass unit according to claim 1, characterized in that: The elastic hanging edge (6) comprises an arched elastic ring (601), an outer connecting edge (602) and an inner connecting edge (603), wherein the outer connecting edge (602) is fixedly connected to the outer side of the arched elastic ring (601), and the inner connecting edge (603) is fixedly connected to the inner side of the arched elastic ring (601), the outer connecting edge (602) is fixed to the top of the basin frame (1), and the inner connecting edge (603) is fixed to the outer edge of the honeycomb diaphragm plate (5).

7. A bass unit according to claim 1, characterized in that: The honeycomb hole layer (503) comprises a plurality of support plates (5031), wherein the support plates (5031) are fixed between the top plate (502) and the bottom plate (501), and the support plates (5031) are surrounded by a honeycomb hole shape.

8. A bass unit according to claim 1, characterized in that: The honeycomb diaphragm plate (5) is circular.

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