Microphone sound receiving structure

Abstract

The utility model discloses a microphone sound receiving structure, contain shell, microphone unit, sound absorption subassembly, separate seat and fender, the shell is hollow, and is equipped with the opening, the opening is connected with the inside of shell, and the separate seat is located in the inside of shell, and the inside of shell is separated into first cavity and second cavity, and is equipped with the through -hole of communication first cavity and second cavity, and the microphone unit is located in the second cavity, and the sound absorption subassembly is filled in the first cavity, and the fender is located in the first cavity and covers the through -hole of separate seat, and sound wave is in the sound absorption subassembly, and the path of transmission to the through -hole from the opening must bypass the fender, thereby, can prolong the path of sound wave transmission, further filters out the wind noise, reduces the intensity of wind noise to improve the sound quality.

Description

Technical Field

[0001] This utility model relates to the field of microphone technology, specifically to a microphone sound receiving structure. Background Technology

[0002] A microphone is a device that converts sound into electrical signals. When in use, microphones are often affected by wind noise in the environment, which leads to a decrease in sound reception quality. Therefore, existing microphones usually have foam or other sound-absorbing materials placed in front of the microphone unit's sound-receiving hole in an attempt to filter out wind noise in order to improve sound reception quality.

[0003] However, in situations with significant wind noise, the noise can still penetrate the sound-absorbing material and enter the microphone's pickup port, affecting the microphone's pickup performance and quality. Therefore, existing microphones are still susceptible to wind noise and require further improvements to reduce its impact. Utility Model Content

[0004] The microphone receiving structure proposed by this utility model to solve the technical problem includes: A hollow outer shell with an opening connecting to the interior of the shell; A partition seat is disposed inside the outer shell, dividing the interior of the outer shell into a first cavity and a second cavity, and is provided with a through hole connecting the first cavity and the second cavity; A sound-absorbing component is disposed in the first cavity; A microphone unit, which is disposed in the second cavity; and A stop block is disposed in the first cavity, surrounded by the sound-absorbing component, and blocks the through hole, so that the transmission path of sound waves in the sound-absorbing component from the opening to the through hole must bypass the stop block.

[0005] Compared with the prior art, the beneficial effects of this utility model are as follows: by setting the block between the opening of the outer shell and the through hole of the partition seat, the wind noise can be transmitted to the through hole through a longer path in the sound absorption component and be picked up by the sound receiving hole, which can better filter out wind noise, reduce the intensity of wind noise, and thus improve the sound reception quality of the microphone unit. Attached Figure Description

[0006] Figure 1 This is a perspective view of a preferred embodiment of the present invention.

[0007] Figure 2 This is an exploded view of a preferred embodiment of the present invention.

[0008] Figure 3 This is a partial cross-sectional view from the side of a preferred embodiment of the present invention.

[0009] Figure 4 for Figure 3 Enlarged image.

[0010] Figure 5 For along Figure 4 A cross-sectional view of the AA secant line.

[0011] Figure 6 This is a schematic diagram of sound wave transmission in a preferred embodiment of the present invention.

[0012] Figure 7 This is another schematic diagram of sound wave transmission in a preferred embodiment of the present invention.

[0013] The attached figures are labeled as follows: 10: Outer shell; 101: First cavity; 102: Second cavity; 11: Opening; 12A: Shell rib; 12B: Shell cover rib; 13: Shell; 14: Shell cover; 15: Clamping plate; 20: Microphone unit; 21: Sound receiving hole; 30: Sound absorption component; 31: Receiving recess; 41: Stop; 42: Separator; 43: Through hole; 44: Connecting part; 45: Locking groove; 46: Groove; 50: Mesh cover; 60: Transmission channel; 70: Inner mesh cover; 80: Support. Detailed Implementation

[0014] The accompanying drawings illustrate the technical solutions of this utility model in more detail. Throughout the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions. The described embodiments are only some, not all, of the embodiments of this utility model. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model. The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0015] It should be noted that if the embodiments of this application involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0016] The technical solutions of the various embodiments can be combined with each other, but must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed in this application. Example

[0017] like Figures 1 to 3 As shown, this is a preferred embodiment of the microphone sound receiving structure of the present invention, which includes a housing 10, a microphone unit 20, a sound-absorbing component 30, a stop block 41 and a partition seat 42. The microphone unit 20, the sound-absorbing component 30, the stop block 41 and the partition seat 42 are disposed inside the housing 10.

[0018] like Figure 2 As shown, the outer shell 10 is hollow, and its interior is used to house the aforementioned microphone unit 20, sound-absorbing component 30, baffle 41, and partition seat 42. The outer shell 10 includes at least one opening 11, which connects the interior of the outer shell 10 to the outside world for sound wave transmission. In a preferred embodiment of the present invention, the outer shell 10 includes a plurality of openings 11, and the microphone receiving structure also includes a plurality of mesh covers 50, which are respectively disposed on the plurality of openings 11 to provide waterproof function.

[0019] like Figure 2 As shown, the microphone unit 20 is provided with a sound receiving hole 21. The microphone unit 20 can receive sound waves through the sound receiving hole 21 and convert the sound waves into electrical signals. In the preferred embodiment of this utility model, the microphone unit 20 adopts micro-electro-mechanical systems (MEMS), which has the advantages of small size, high durability and stable performance. It is convenient to install in the housing 10 and does not require frequent maintenance or replacement.

[0020] The sound-absorbing component 30 has a porous structure. When sound waves are transmitted through the sound-absorbing component 30, they will be reflected and rubbed multiple times, converting the energy of the vibration into heat energy, thus reducing the intensity of the sound waves. The baffle 41 and the partition seat 42 are made of high-density material, so that the sound waves cannot directly penetrate the partition seat baffle 41 and the partition seat 42 to be received, but can only be transmitted by diffraction. For example, in the preferred embodiment of this utility model, the sound-absorbing component 30 is made of foam material, and the baffle 41 and the partition seat 42 are made of high-density rubber material.

[0021] like Figure 6 and Figure 7As shown, when the microphone recording structure of this utility model is used, as described above, the sound wave enters the interior of the housing 10 through the opening 11. When it is transmitted through the sound-absorbing component 30, since the block 41 is located between the opening 11 and the through hole 43, the sound wave cannot penetrate the block 41 and be recorded. Therefore, the sound wave that is transmitted to the through hole 43 by bypassing the block 41 can be recorded. Wind noise needs to be transmitted through a longer path in the sound-absorbing component 30, so that this utility model can better filter out wind noise, reduce its intensity, and thus improve the recording quality of the microphone unit 20.

[0022] like Figure 4 As shown in the preferred embodiment of the present invention, the block 41 and the partition seat 42 are connected, and a transmission channel 60 is formed between them. The transmission channel 60 connects the through hole 43 and the space filled by the sound-absorbing component 30. After the sound wave is transmitted in the sound-absorbing component 30 by bypassing the block 41, it can be transmitted to the through hole 43 through the transmission channel 60.

[0023] Specifically, the stop 41 and the partition seat 42 are connected by a plurality of spaced connecting parts 44, and the transfer channel 60 is formed between the stop 41, the partition seat 42 and the plurality of connecting parts 44. In a preferred embodiment of the present invention, the plurality of connecting parts 44 are integrally connected to the stop 41 and the partition seat 42, that is, the stop 41 and the partition seat 42 are integrally formed by injection molding, which has high production efficiency and is suitable for mass production.

[0024] In other embodiments, the block 41 and the partition seat 42 may be manufactured separately, and the plurality of connecting portions 44 may be formed together with one of the block 41 and the partition seat 42, and then the block 41 and the partition seat 42 may be joined by plug-in or other joining methods. In other embodiments, the block 41 may also be set separately from the partition seat 42 and fixed to the first cavity 101 by other means, which is not limited to the preferred embodiment of the present invention.

[0025] Better, such as Figure 4 and Figure 5 As shown, the cross-sectional area of ​​the stop 41 gradually expands towards the through hole 43 of the partition seat 42. For example, in a preferred embodiment of this utility model, the cross-sectional area of ​​the stop 41 is trapezoidal or arc-shaped under different viewing angles. Figure 6 and Figure 7 As shown, when the sound wave is transmitted to the block 41, it needs to bypass the outer edge of the gradually expanding block 41 to further extend the path of the sound wave transmission, thereby better reducing the intensity of wind noise and allowing the microphone unit 20 to achieve a better sound reception effect.

[0026] In addition, such as Figure 2 and Figure 3 As shown, the sound-absorbing component 30 includes a receiving recess 31. The receiving recess 31 is formed by hollowing out the sound-absorbing component 30 before it is disposed inside the housing 10. The stop block 41 is embedded in the receiving recess 31, that is, the outer contour of the stop block 41 matches the spatial contour of the receiving recess 31, which can position the stop block 41 and the sound-absorbing component 30 and ensure that the stop block 41 is located in the receiving recess 31. In addition, the sound-absorbing component 30 will not be squeezed by the stop block 41, which can avoid affecting the sound reception. Furthermore, when the sound-absorbing component 30 is assembled with the stop block 41 in the direction toward the partition seat 42, the gradually expanding structure of the stop block 41 makes it easy to enter the receiving recess 31, which can improve the convenience of assembly.

[0027] Furthermore, such as Figure 2 , Figure 4 and Figure 5 As shown, the partition seat 42 is also recessed with a groove 45. The groove 45 is annular along the outer edge of the partition seat 42. The outer shell 10 has a rib structure formed on its inner wall. The rib structure is annular and engages in the groove 45. This allows the partition seat 42 and the stop block 41 connected to the partition seat 42 to be positioned relative to the outer shell 10. The annular engagement can form an airtight structure, ensuring that sound waves can only be transmitted through the through hole 43 between the first cavity 101 and the second cavity 102.

[0028] In a preferred embodiment of the present invention, the rib structure includes a housing rib 12A and a cover rib 12B. Specifically, the outer shell 10 includes a housing 13 and a cover 14 that are detachably connected. During installation, other components are first placed inside the housing 13, and then the cover 14 is connected to the housing 13. When maintenance or replacement of components is required, the cover 14 can be removed from the housing 13. The housing rib 12A and the cover rib 12B are respectively formed on the housing 13 and the cover 14. When the partition seat 42 is placed into the housing 13, it can first be engaged with the housing rib 12A by the groove 45. When the cover 14 is connected to the housing 13, the cover rib 12B is then engaged with the groove 45 to achieve a positioning effect.

[0029] In addition, such as Figure 4 and Figure 5 As shown, the partition seat 42 has a recessed groove 46 on the side facing the second cavity 102. The through hole 43 extends from the side of the partition seat 42 facing the first cavity 101 to the groove 46 and communicates with the interior of the groove 46. The microphone unit 20 is positioned in the groove 46. Preferably, the sound receiving hole 21 can be coaxially arranged with the through hole 43 to obtain a better sound receiving effect.

[0030] like Figure 2 and Figure 4 As shown, specifically, the microphone receiving structure also includes a bracket 80, which is used to install the aforementioned battery, circuit board and other components. One end of the bracket 80 is fixed to the microphone unit 20 and extends into the interior of the groove 46, thereby placing the microphone unit 20 inside the groove 46. The bracket 80 has a hole for connecting the sound receiving hole 21 and the through hole 43. The microphone unit 20 has an inner mesh cover 70 on one side of the sound receiving hole 21, which functions similarly to the mesh cover 50.

[0031] In a preferred embodiment of this utility model, the microphone receiving structure is a lavalier microphone, such as... Figure 2 and Figure 3 As shown, the outer casing 10 also includes a clamp 15, which is pivotally connected to the bottom of the casing 13. By pivoting the clamp 15, the collar, tie or other parts of the clothing can be clamped by the clamp 15 and the casing 13, thereby fixing it to the clothing.

[0032] As mentioned above, the microphone sound-receiving structure extends the path of sound waves through the sound-absorbing component 30 by adding the block 41. Therefore, it can further filter out wind noise and improve sound quality without the need for a larger space to install sound-absorbing material. When applied to a lavalier microphone, it is beneficial to miniaturize the product design while maintaining good sound reception. In other embodiments, the microphone sound-receiving structure can also be applied to other electronic products with microphone functions, and is not limited to the preferred embodiment of this utility model.

[0033] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any person skilled in the art who makes partial modifications or alterations to the technical content disclosed in the present utility model without departing from the scope of the technical solution provided by the present utility model shall still fall within the scope of the technical solution of the present utility model.

Claims

1. A microphone sound receiving structure, characterized in that, It includes: The outer shell is hollow and has an opening that connects to the interior of the outer shell; A partition seat is disposed inside the outer shell, dividing the interior of the outer shell into a first cavity and a second cavity, and is provided with a through hole connecting the first cavity and the second cavity; A sound-absorbing component is disposed in the first cavity; A microphone unit, disposed in the second cavity; and A baffle is disposed in the first cavity, surrounded by the sound-absorbing component, and blocks the through hole, so that the transmission path of sound waves in the sound-absorbing component from the opening to the through hole must bypass the baffle.

2. The microphone receiving structure according to claim 1, characterized in that, The partition seat is connected to the stop block, and a transmission channel is formed between the partition seat and the stop block, so that sound waves can be transmitted from the sound-absorbing component to the through hole through the transmission channel.

3. The microphone receiving structure according to claim 2, characterized in that, The partition seat and the stop are connected by a plurality of spaced-apart connecting parts, and the transmission channel is formed between the partition seat, the stop and the plurality of connecting parts.

4. The microphone receiving structure according to claim 2 or 3, characterized in that, The partition seat and the stop block are integrally formed.

5. The microphone receiving structure according to any one of claims 1 to 3, characterized in that, The cross-sectional area of ​​the stop block gradually expands toward the through hole of the partition seat.

6. The microphone sound receiving structure according to any one of claims 1 to 3, characterized in that, The sound-absorbing component is provided with a receiving recess, and the block is embedded in the receiving recess.

7. The microphone sound receiving structure according to any one of claims 1 to 3, characterized in that, The partition seat has a groove on the side facing the second cavity, and the microphone unit is positioned within the groove.

8. The microphone sound receiving structure according to any one of claims 1 to 3, characterized in that, The partition seat is recessed with an annular groove, and the inner wall of the outer shell is provided with an annular rib structure that engages with the groove.

9. The microphone receiving structure according to claim 8, characterized in that, The outer casing includes a housing and a cover, the cover being attached to the housing, the interior of the outer casing being located between the housing and the cover, and the rib structure including housing ribs and cover ribs, the housing ribs and the cover ribs being formed on the housing and the cover, respectively.

10. The microphone sound receiving structure according to any one of claims 1 to 3, characterized in that, The microphone's sound pickup structure is a lavalier microphone.

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