Sound box shell capable of eliminating interference

Abstract

The utility model discloses a sound box housing capable of eliminating interference. The sound box housing comprises a left chamber 1, a middle chamber and a right chamber, inverter tubes are arranged on the partition plates of the left cavity and the middle cavity in a penetrating mode, and inverter tubes are arranged on the partition plates of the right cavity and the middle cavity in a penetrating mode. And the two inverter tubes are arranged in a staggered manner in the axial direction. Therefore, the left chamber and the right chamber are provided with the inverter tubes, and voice coils with different effective frequency ranges are adapted by adjusting the probing depths of the inverter tubes, so that a series of loudspeaker box products adopting the same loudspeaker box shell can obtain good tone quality performance, special design or debugging for the loudspeaker box shell is not needed, the universality is greatly improved, and the cost is reduced. And the production and design cost is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of speaker structures, and particularly to a speaker housing for eliminating interference. Background Art

[0002] In addition to hermetically isolating components such as voice coils and control panels, the speaker housing can also isolate / divert noise and shape the sound quality of specific frequency bands. Among them, the impact of the speaker housing on the sound quality specifically depends on the material, shape, and cavity configuration of the speaker housing. That is, in order to obtain good sound quality, the speaker housing needs to be specifically designed according to the voice coil and sound quality requirements.

[0003] In the actual design and production process, for the purposes of product series marketing and reducing design and production costs, etc., there are often situations where the same speaker housing is adapted to different voice coils. This makes the sound quality performances of different models of speaker products using the same speaker housing vary. If the internal structure of the speaker housing is improved for different models of speakers, the advantages of the speaker housing series and generalization are lost, and the debugging and improvement process is more difficult than that of an independently designed speaker housing. Summary of the Invention

[0004] The present invention discloses a speaker housing for eliminating interference, which specifically includes the following content.

[0005] The left chamber 1, the middle chamber 2, and the right chamber 3 are separately provided;

[0006] An inverted phase tube X is penetrated through the partition G between the left chamber 1 and the middle chamber 2, and an inverted phase tube X is penetrated through the partition G between the right chamber 3 and the middle chamber 2;

[0007] The two inverted phase tubes X are arranged in an axial offset.

[0008] Preferably, special-shaped holes Y are opened on the fronts of both the left chamber 1 and the right chamber 3.

[0009] Preferably, the special-shaped hole Y is a combination of a partial circular contour and a straight-line contour.

[0010] Preferably, a voice coil is assembled at the special-shaped hole Y.

[0011] Preferably, the penetration length of the inverted phase tube X in the left chamber 1 or the right chamber 3 corresponds to the effective frequency range of the voice coil.

[0012] Preferably, the joint part of the inverted phase tube X and the partition G is fixed by gluing.

[0013] Preferably, the front edges of the left chamber 1 and the right chamber 3 are extended to form a convex edge T.

[0014] Preferably, the front cover is assembled at the edge of the convex edge T on the front of the housing.

[0015] Preferably, a control groove 21 is provided at the top of the middle chamber for assembling a control component.

[0016] Preferably, an assembly groove 22 is provided at the bottom of the middle chamber for inserting for assembly and maintenance.

[0017] Compared with the prior art, the embodiments of the present invention have the following beneficial effects:

[0018] Phase inverter tubes are provided in the left and right chambers. By adjusting the insertion depth of the phase inverter tubes to adapt to voice coils with different effective frequency ranges, a series of speaker products using the same speaker housing can all obtain good sound quality performance, without the need for specific design or debugging of the speaker housing, greatly improving the versatility and reducing the production design cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 is a three-dimensional structural schematic diagram of a speaker housing for eliminating interference disclosed in an embodiment of the present invention;

[0021] Figure 2 is a structural schematic diagram of the back of a speaker housing for eliminating interference disclosed in an embodiment of the present invention;

[0022] Figure 3 is a cross-sectional structural schematic diagram of a speaker housing for eliminating interference disclosed in an embodiment of the present invention;

[0023] Figure 4 is a cross-sectional structural schematic diagram of a speaker housing for eliminating interference disclosed in an embodiment of the present invention.

[0024] The main structure symbols are explained as follows in the table:

[0025]

[0026] DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0028] Please refer to Figures 1 to 4 , the interference-eliminating speaker housing may include the following.

[0029] The left chamber 1, the middle chamber 2 and the right chamber 3 are separated and arranged;

[0030] An inverted phase tube X is penetrated through the partition board G between the left chamber 1 and the middle chamber 2, and an inverted phase tube X is penetrated through the partition board G between the right chamber 3 and the middle chamber 2;

[0031] The two inverted phase tubes X are arranged with an axial offset.

[0032] Here, the offset arrangement of the inverted phase tube X avoids the collision and reflection of the output sound waves inside the middle chamber 2, resulting in additional noise and having no impact on the external sound quality.

[0033] In addition, the penetration depth of the inverted phase tube X in the left and right chambers directly affects its modulation effect on the sound quality.

[0034] For example, when voice coils focusing on the low-frequency range are assembled in the left and right chambers, the penetration depth of the inverted phase tube X in the left and right chambers can be increased to obtain excellent low-frequency sound quality. On the contrary, the penetration depth of the inverted phase tube X in the left and right chambers is reduced to improve the sound quality performance in other frequency bands.

[0035] In this embodiment, special-shaped holes Y are opened on the fronts of the left chamber 1 and the right chamber 3.

[0036] In this embodiment, the special-shaped hole Y is a combination of a partial circular contour and a straight contour.

[0037] In this embodiment, a voice coil is assembled at the special-shaped hole Y.

[0038] Here, the special-shaped hole Y can avoid resonance caused by a regular shape and damage the sound quality performance.

[0039] In addition, the special-shaped hole Y is also beneficial for limiting the assembly and ensuring the assembly consistency of the circular voice coil.

[0040] In this embodiment, the penetration length of the inverted phase tube X in the left chamber 1 or the right chamber 3 corresponds to the effective frequency range of the voice coil.

[0041] In this embodiment, the joint of the inverted phase tube X and the partition board G is fixed by gluing.

[0042] Here, the phase inverter tube X is slidable relative to the partition G, so that it can be assembled at a specific depth according to the assembly requirements during assembly, and the voice coil with different sound quality requirements can be adjusted well.

[0043] In this embodiment, the front edges of the left chamber 1 and the right chamber 3 are extended to form a convex edge T.

[0044] In this embodiment, the front cover is assembled at the edge of the convex edge T on the front of the housing.

[0045] Here, the front cover can be made of materials such as cloth and metal mesh. The convex edge T makes it not directly contact the voice coil, obtaining a good isolation effect, and the style of the convex edge T can be flexibly changed according to the appearance design requirements, obtaining a more diversified appearance design.

[0046] In this embodiment, a control groove 21 is opened at the top of the middle chamber for assembling a control component.

[0047] Here, in addition to assembling traditional-style knobs and buttons, the control groove 21 can also assemble Internet of Things devices such as infrared receivers and WiFi modules to achieve diversified control.

[0048] In this embodiment, an assembly groove 22 is opened at the bottom of the middle chamber for probing for assembly and maintenance.

[0049] Here, the bottom of the housing is provided with an assembly groove 22, which is convenient for assembling and maintaining internal components, so that the housing does not need to be disassembled, reducing the maintenance cost.

[0050] Compared with the prior art, the embodiments of the present invention have the following beneficial effects:

[0051] Phase inverter tubes are provided in the left and right chambers. By adjusting the probing depth of the phase inverter tubes to adapt to voice coils with different effective frequency ranges, a series of speaker products using the same speaker housing can all obtain good sound quality performance, without the need for specific design or debugging of the speaker housing, greatly improving the versatility and reducing the production design cost.

Claims

1. An interference-eliminating speaker housing, characterized in that, Comprising: Partitioning and setting the left chamber (1), the middle chamber (2) and the right chamber (3); A phase-inverting tube (X) is penetrated and provided on the partition board (G) between the left chamber (1) and the middle chamber (2), and a phase-inverting tube (X) is penetrated and provided on the partition board (G) between the right chamber (3) and the middle chamber (2); The two phase-inverting tubes (X) are arranged with an axial offset.

2. The sound box housing for eliminating interference according to claim 1, wherein, Comprising: Irregular holes (Y) are opened on the fronts of the left chamber (1) and the right chamber (3).

3. The sound box housing for eliminating interference according to claim 2, characterized in that, Comprising: The irregular hole (Y) is a combination of a partial circular contour and a straight-line contour.

4. The sound box housing for eliminating interference according to claim 3, characterized in that Comprising: A voice coil is assembled at the irregular hole (Y).

5. The sound box housing for eliminating interference according to claim 4, wherein Comprising: The penetration length of the phase-inverting tube (X) in the left chamber (1) or the right chamber (3) corresponds to the effective frequency range of the voice coil.

6. The sound box housing for eliminating interference according to claim 5, wherein, Comprising: The joint of the phase-inverting tube (X) and the partition board (G) is fixed by gluing.

7. The sound box housing for eliminating interference according to claim 2, characterized in that, Comprising: The front edges of the left chamber (1) and the right chamber (3) are extended to form a convex edge (T).

8. The sound box housing for eliminating interference according to claim 7, wherein Comprising: A front cover is assembled at the edge of the convex edge (T) on the front of the housing.

9. The sound box housing for eliminating interference according to claim 1, wherein, Comprising: A control groove (21) is opened at the top of the middle chamber for assembling a control component.

10. The sound box housing for eliminating interference according to claim 9, wherein Comprising: An assembly groove (22) is opened at the bottom of the middle chamber for penetrating for assembly and maintenance.

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