Sound production device

Abstract

The utility model discloses a sounding device, which is characterized in that a first sounding unit is nested on a first shell, the first shell is arranged on one side of a second shell, a second sounding unit is arranged in the second shell, a first yoke is connected with a second vibrating diaphragm, and the sounding frequency of the first sounding unit is higher than that of the second sounding unit. Therefore, the low-pitch sounding unit and the high-pitch sounding unit are coaxially combined and can work independently and simultaneously, so that the overall occupied space is reduced while the tone quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of loudspeakers, in particular to a sound-generating device. Background Art

[0002] In the prior art, consumers have higher and higher requirements for the sound quality and loudness of the whole machine, which in turn leads to a gradual increase in the requirements for speakers. In order to meet the requirements, multiple speakers are usually placed in the whole machine, such as a woofer, a mid-range speaker, and a tweeter. Although the sound quality and loudness requirements are met, the size of the whole machine becomes larger and the cost is also higher.

[0003] Therefore, how to improve the sound quality while reducing the overall space occupied is an urgent problem that needs to be solved. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a sound-generating device which can reduce the overall occupied space while improving the sound quality.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] A sound-generating device comprises a first housing, a second housing, a first sound-generating unit and a second sound-generating unit, wherein the first sound-generating unit comprises a first yoke and the second sound-generating unit comprises a second diaphragm;

[0007] The first sound-emitting unit is nested in the first housing;

[0008] The first shell is arranged on one side of the second shell;

[0009] The second sound-emitting unit is disposed on a side of the second housing close to the first housing, and the first yoke is connected to the second diaphragm;

[0010] The sound frequency of the first sound emitting unit is higher than the sound frequency of the second sound emitting unit.

[0011] Furthermore, the first shell is provided with a first through hole adapted to the first sound-emitting unit, and a limiting portion is provided on the first through hole;

[0012] The first sound-emitting unit is fixed in the first through hole through the limiting portion.

[0013] Furthermore, a plurality of second through holes are symmetrically provided on the first yoke, and the plurality of second through holes are arranged to avoid the limiting portion and the second diaphragm.

[0014] Furthermore, the first yoke is connected to the outer ring of the second diaphragm.

[0015] Furthermore, the first sound-emitting unit further includes a first dome, a first diaphragm, a first voice coil, a first basin frame and a first magnetic steel;

[0016] The first sound-emitting unit is in a ring structure;

[0017] The first magnetic steel is arranged on a side of the first yoke away from the second diaphragm;

[0018] The first basin is mounted on a side of the first magnetic steel away from the first yoke;

[0019] The first diaphragm is mounted outside the first basin frame;

[0020] The first voice coil is disposed in the first diaphragm;

[0021] The first dome is arranged in the first diaphragm and is located at a side of the first voice coil away from the first basin frame.

[0022] Furthermore, the second sound-emitting unit further includes a second yoke, a second voice coil, a second basin frame and a second magnetic steel;

[0023] The second basin is mounted on a side of the second diaphragm away from the first yoke;

[0024] The second yoke is arranged on a side of the second basin frame away from the second diaphragm;

[0025] The second voice coil is arranged in the second basin frame;

[0026] The second magnetic steel is embedded in the second voice coil.

[0027] Furthermore, the first spherical top is flush with a surface of the first shell away from the second shell.

[0028] Furthermore, the first basin frame is made of metal material.

[0029] Furthermore, the second basin frame is made of plastic material.

[0030] The beneficial effect of the utility model is that the first sound unit is nested on the first shell, the first shell is arranged on one side of the second shell, the second sound unit is arranged in the second shell, and the first yoke is connected to the second diaphragm. The sound frequency of the first sound unit is higher than the sound frequency of the second sound unit, so that the bass sound unit and the treble sound unit are coaxially combined, and the two can work separately or simultaneously, thereby improving the sound quality while reducing the overall occupied space. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is an overall structural diagram of a coaxial sound-generating device according to an embodiment of the utility model;

[0032] Figure 2 This is an overall structural diagram of a coaxial sound-generating device according to an embodiment of the utility model, with the first shell and the second shell hidden;

[0033] Figure 3 This is a bottom view of a coaxial sound-emitting device according to an embodiment of the utility model with the second housing hidden;

[0034] Figure 4 A cross-sectional view of a first sound-emitting unit and a second sound-emitting unit of a coaxial sound-emitting device according to an embodiment of the utility model;

[0035] Description of labels:

[0036] 1. First shell; 11. Limiting part; 2. Second shell; 3. First sound unit; 31. First yoke; 311. Second through hole; 32. First dome; 33. First diaphragm; 34. First voice coil; 35. First basin; 36. First magnet; 4. Second sound unit; 41. Second diaphragm; 42. Second yoke; 43. Second voice coil; 44. Second basin; 45. Second magnet. DETAILED DESCRIPTION

[0037] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following is an explanation in conjunction with the implementation modes and the accompanying drawings.

[0038] Utility Model

[0039] Please refer to Figure 1 , a sound-generating device, comprising a first housing, a second housing, a first sound-generating unit and a second sound-generating unit, wherein the first sound-generating unit comprises a first yoke, and the second sound-generating unit comprises a second diaphragm;

[0040] The first sound-emitting unit is nested in the first housing;

[0041] The first shell is arranged on one side of the second shell;

[0042] The second sound-emitting unit is disposed in the second housing, and the first yoke is connected to the second diaphragm;

[0043] The sound frequency of the first sound emitting unit is higher than the sound frequency of the second sound emitting unit.

[0044] From the above description, it can be seen that the beneficial effect of the utility model is that the first sound unit is nested on the first shell, the first shell is arranged on one side of the second shell, the second sound unit is arranged in the second shell, and the first yoke is connected to the second diaphragm, and the sound frequency of the first sound unit is higher than the sound frequency of the second sound unit, so that the bass sound unit and the treble sound unit are coaxially combined, and the two can work separately or simultaneously, thereby improving the sound quality while reducing the overall occupied space.

[0045] Furthermore, the first shell is provided with a first through hole adapted to the first sound-emitting unit, and a limiting portion is provided on the first through hole;

[0046] The first sound-emitting unit is fixed in the first through hole through the limiting portion.

[0047] It can be seen from the above description that the limiting portion limits the first sound-emitting unit, so that it is more firmly fixed in the first through hole.

[0048] Furthermore, a plurality of second through holes are symmetrically provided on the first yoke, and the plurality of second through holes are arranged to avoid the limiting portion and the second diaphragm.

[0049] From the above description, it can be seen that a plurality of second through holes are symmetrically arranged on the first yoke, and the plurality of second through holes are arranged away from the limiting portion and the second diaphragm, which can ensure smooth air discharge of the treble sounding unit, thereby ensuring the treble sound quality.

[0050] Furthermore, the first yoke is connected to the outer ring of the second diaphragm.

[0051] It can be seen from the above description that the first yoke is connected to the outer ring of the second diaphragm, leaving enough space for the second through hole.

[0052] Furthermore, the first sound-emitting unit further includes a first dome, a first diaphragm, a first voice coil, a first basin frame and a first magnetic steel;

[0053] The first sound-emitting unit is in a ring structure;

[0054] The first magnetic steel is arranged on a side of the first yoke away from the second diaphragm;

[0055] The first basin is mounted on a side of the first magnetic steel away from the first yoke;

[0056] The first diaphragm is mounted outside the first basin frame;

[0057] The first voice coil is disposed in the first diaphragm;

[0058] The first dome is arranged in the first diaphragm and is located at a side of the first voice coil away from the first basin frame.

[0059] It can be seen from the above description that the first sound unit also includes a first dome, a first diaphragm, a first voice coil, a first basin frame and a first magnet, so as to realize the treble function of the sound-emitting device.

[0060] Furthermore, the second sound-emitting unit further includes a second yoke, a second voice coil, a second basin frame and a second magnetic steel;

[0061] The second basin is mounted on a side of the second diaphragm away from the first yoke;

[0062] The second yoke is arranged on a side of the second basin frame away from the second diaphragm;

[0063] The second voice coil is arranged in the second basin frame;

[0064] The second magnetic steel is embedded in the second voice coil.

[0065] It can be seen from the above description that the second sound-emitting unit also includes a second yoke, a second voice coil, a second basin frame and a second magnet, so as to realize the bass function of the sound-emitting device.

[0066] Furthermore, the first spherical top is flush with a surface of the first shell away from the second shell.

[0067] It can be seen from the above description that the first spherical top is flush with a surface of the first shell away from the second shell, thereby reducing the volume of the sound-generating device as much as possible.

[0068] Furthermore, the first basin frame is made of metal material.

[0069] From the above description, it can be seen that the basin frame of the tweeter sound unit made of metal material has higher resolution and sound quality performance.

[0070] Furthermore, the second basin frame is made of plastic material.

[0071] From the above description, it can be seen that the second basin frame is made of plastic material, which can better absorb resonance, make the sound purer, and improve the sound quality of the bass sound unit.

[0072] Please refer to Figure 1-Figure 4 , Embodiment 1 of the present utility model is:

[0073] A sound-emitting device comprises a first shell 1, a second shell 2, a first sound-emitting unit 3 and a second sound-emitting unit 4, wherein the first sound-emitting unit 3 comprises a first yoke 31, and the second sound-emitting unit 4 comprises a second diaphragm 41; the first sound-emitting unit 3 is nested in the first shell 1; the first shell 1 is arranged on one side of the second shell 2; the second sound-emitting unit 4 is arranged on one side of the second shell 2 close to the first shell 1, and the first yoke 31 is connected to the second diaphragm 41; the sound frequency of the first sound-emitting unit 3 is higher than the sound frequency of the second sound-emitting unit 4, such as Figure 1 and Figure 2 shown.

[0074] In an optional embodiment, the first yoke 31 is glued to the second diaphragm 41. In an optional embodiment, the first yoke 31 is connected to the second diaphragm 41 via a connecting portion.

[0075] In an optional embodiment, the first shell 1 and the second shell 2 are bonded by ultrasonic bonding. In an optional embodiment, the first shell 1 and the second shell 2 are bonded by adhesive bonding.

[0076] Specifically, the first housing 1 is provided with a first through hole adapted to the first sound unit 3, and the first through hole is provided with a limiting portion 11; the first sound unit 3 is fixed in the first through hole through the limiting portion 11. Figure 3 shown.

[0077] like Figure 3 As shown, the first yoke 31 is symmetrically provided with a plurality of second through holes 311, and the plurality of second through holes 311 are arranged away from the limiting portion 11 and the second diaphragm 41. That is, the plurality of second through holes are symmetrical about the center of the first yoke, and after being fixed, the projections of the plurality of second through holes, the limiting portion and the second diaphragm on the second housing do not overlap, thereby ensuring smooth air discharge.

[0078] Specifically, Figure 3 As shown, the first yoke 31 is connected to the outer ring of the second diaphragm 41 .

[0079] Specifically, Figure 4As shown, the first sound unit 3 also includes a first ball top 32, a first diaphragm 33, a first voice coil 34, a first basin frame 35 and a first magnet 36; the first sound unit 3 is annular in structure; the first magnet 36 is arranged on the side of the first yoke 31 away from the second diaphragm 41; the first basin frame 35 is arranged on the side of the first magnet 36 away from the first yoke 31; the first diaphragm 33 is sleeved outside the first basin frame 35; the first voice coil 34 is arranged in the first diaphragm 33; the first ball top 32 is arranged in the first diaphragm 33, and is located on the side of the first voice coil 34 away from the first basin frame 35.

[0080] Specifically, Figure 4 As shown, the second sound unit 4 also includes a second yoke 42, a second voice coil 43, a second basin frame 44 and a second magnet 45; the second basin frame 44 is arranged on the side of the second diaphragm 41 away from the first yoke 31; the second yoke 42 is arranged on the side of the second basin frame 44 away from the second diaphragm 41; the second voice coil 43 is sleeved in the second basin frame 44; the second magnet 45 is embedded in the second voice coil 43.

[0081] Specifically, the first spherical top 32 is flush with a surface of the first shell 1 away from the second shell 2. Figure 1 shown.

[0082] Specifically, the first basin frame 35 is made of metal material, and the second basin frame 44 is made of plastic material.

[0083] The first sound unit and the second sound unit in the above-mentioned sound-emitting device of the utility model are coaxially combined, and the first sound unit plays a supporting role, which greatly reduces the space occupied by the treble in the Z-axis direction. When working, the first sound unit and the second sound unit can be driven separately or work together at the same time, thereby improving the sound quality while reducing the overall occupied space.

[0084] In summary, the utility model provides a sound-emitting device, in which a first sound-emitting unit is nested on a first shell, the first shell is arranged on one side of the second shell, the second sound-emitting unit is arranged in the second shell, and the first yoke is connected to the second diaphragm, and the sound frequency of the first sound-emitting unit is higher than the sound frequency of the second sound-emitting unit, so that the bass sound-emitting unit and the treble sound-emitting unit are coaxially combined, and the two can work separately or simultaneously, thereby improving the sound quality while reducing the overall occupied space; at the same time, a plurality of second through holes are symmetrically arranged on the first yoke, and the plurality of second through holes are arranged to avoid the limiting portion and the second diaphragm, which can ensure that the treble sound-emitting unit can be unobstructed, thereby ensuring the treble sound quality; in addition, the first ball top is flush with the side of the first shell away from the second shell, so as to reduce the volume of the sound-emitting device as much as possible.

[0085] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A sound-generating device, characterized in that: It includes a first shell, a second shell, a first sound-emitting unit and a second sound-emitting unit, wherein the first sound-emitting unit includes a first yoke, and the second sound-emitting unit includes a second diaphragm; The first sound-emitting unit is nested in the first housing; The first shell is arranged on one side of the second shell; The second sound-emitting unit is disposed on a side of the second housing close to the first housing, and the first yoke is connected to the second diaphragm; The sound frequency of the first sound emitting unit is higher than the sound frequency of the second sound emitting unit.

2. A sound-generating device according to claim 1, characterized in that: The first shell is provided with a first through hole adapted to the first sound-emitting unit, and a limiting portion is provided on the first through hole; The first sound-emitting unit is fixed in the first through hole through the limiting portion.

3. A sound-generating device according to claim 2, characterized in that: A plurality of second through holes are symmetrically provided on the first yoke, and the plurality of second through holes are arranged away from the limiting portion and the second diaphragm.

4. A sound-generating device according to claim 1, characterized in that: The first yoke is connected to the outer ring of the second diaphragm.

5. A sound-generating device according to claim 1, characterized in that: The first sound-emitting unit further includes a first dome, a first diaphragm, a first voice coil, a first basin frame and a first magnetic steel; The first sound-emitting unit is in a ring structure; The first magnetic steel is arranged on a side of the first yoke away from the second diaphragm; The first basin is mounted on a side of the first magnetic steel away from the first yoke; The first diaphragm is mounted outside the first basin frame; The first voice coil is disposed in the first diaphragm; The first dome is arranged in the first diaphragm and is located at a side of the first voice coil away from the first basin frame.

6. A sound-generating device according to claim 1, characterized in that: The second sound-emitting unit further includes a second yoke, a second voice coil, a second basin frame and a second magnetic steel; The second basin is mounted on a side of the second diaphragm away from the first yoke; The second yoke is arranged on a side of the second basin frame away from the second diaphragm; The second voice coil is arranged in the second basin frame; The second magnetic steel is embedded in the second voice coil.

7. A sound-generating device according to claim 5, characterized in that: The first spherical top is flush with a surface of the first shell away from the second shell.

8. A sound-generating device according to claim 5, characterized in that: The first basin frame is made of metal material.

9. A sound-generating device according to claim 6, characterized in that: The second basin frame is made of plastic material.

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