Electronic equipment and microphone structure thereof

Abstract

The utility model discloses an electronic device and a microphone structure thereof. The microphone structure comprises a housing, a circuit board and a microphone. The shell is provided with an inner side face and an outer side face which are opposite, and a circumferential side face connecting the inner side face and the outer side face. The shell is provided with a pickup channel penetrating through the inner side surface and the outer side surface; the circuit board is installed on the inner side face of the shell, the circuit board and the pickup channel are oppositely arranged, and the microphone is installed on the side, opposite to the shell, of the circuit board; a pressure relief channel is further arranged in the shell, one end of the pressure relief channel is communicated with the pickup channel, the other end of the pressure relief channel penetrates through the circumferential side face, and high-pressure water or high-pressure gas entering the pickup channel can partially pass through the pressure relief channel to be subjected to most pressure relief firstly, so that the pressure borne by the microphone transduction diaphragm is small, the microphone transduction diaphragm is not prone to damage, and the microphone transduction diaphragm is not prone to damage. In addition, vibration caused by non-acoustics to the transducer diaphragm of the microphone is reduced, sound is more stable, pickup quality can be effectively improved, and wind noise is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic equipment technical field especially relates to an electronic device and microphone structure thereof. BACKGROUND

[0002] The electronic device of related art has a shell and a microphone installed in the shell, the shell is provided with an inlet hole, the inlet hole is directly connected to the transducer diaphragm of the microphone. When the electronic device is cleaned, such as using an air gun or a water gun to flush, if the air gun or the water gun is aimed at the inlet hole to flush, the air pressure in the microphone pickup hole chamber will be sharply increased, which is easy to impact and damage the transducer diaphragm of the microphone, causing the microphone to fail, and further leading to the failure of the function of the electronic device. SUMMARY

[0003] The utility model solves the technical problem in providing an electronic device and microphone structure thereof.

[0004] The utility model adopts the technical scheme that constructs a microphone structure, including shell, circuit board and microphone, the shell has opposite inner side and outer side, and the circumferential side connecting the inner side and the outer side, the shell has the pickup channel through the inner side and the outer side,

[0005] The circuit board is installed on the inner side of the shell, and the circuit board and the pickup channel are oppositely arranged, and the microphone is installed on the side opposite to the circuit board and the shell,

[0006] The shell is also provided with a pressure relief channel, one end of the pressure relief channel is communicated with the pickup channel, and the other end of the pressure relief channel is through the circumferential side.

[0007] In some embodiments, the circuit board is provided with a pickup hole, and the pickup hole is oppositely arranged with the pickup channel, and the microphone is oppositely arranged with the pickup hole.

[0008] The microphone structure further includes a waterproof noise reduction assembly (40), which is installed between the pickup hole and the pickup channel, and the waterproof noise reduction assembly includes at least one mesh member and at least one waterproof air permeable member, the mesh member and the waterproof air permeable member are spaced apart, and the mesh member is arranged close to the pickup channel, and the waterproof air permeable member is arranged close to the pickup hole.

[0009] In some embodiments, the inner side of the shell is provided with a containing chamber, the containing chamber is communicated with the pickup channel, and the waterproof noise reduction assembly is installed in the containing chamber.

[0010] In some embodiments, the mesh member completely covers the sound pickup passage, and the waterproof and breathable member completely covers the sound pickup hole.

[0011] In some embodiments, the waterproof and noise reduction assembly comprises a ring-shaped portion, and the mesh member and the waterproof and breathable member are respectively provided with two axial end faces of the ring-shaped portion.

[0012] In some embodiments, the waterproof and noise reduction assembly comprises a ring-shaped portion, and the mesh member and the waterproof and breathable member are respectively arranged in an inner cavity of the ring-shaped portion, and the mesh member and the waterproof and breathable member both cover the inner cavity of the ring-shaped portion.

[0013] In some embodiments, the mesh member comprises a gauze.

[0014] In some embodiments, the waterproof and breathable member comprises a waterproof and breathable film.

[0015] In some embodiments, the waterproof and noise reduction assembly is an integrated structure.

[0016] The application also provides an electronic device comprising the microphone structure of any of the above embodiments.

[0017] The electronic device comprises the microphone structure, the microphone structure is provided with a sound pickup passage and a pressure relief passage, high-pressure water or high-pressure gas entering the sound pickup passage can be partially discharged through the pressure relief passage, so that the pressure on the microphone transducer diaphragm is smaller, the microphone transducer diaphragm is not easily damaged, the microphone can be better protected, in addition, the microphone transducer diaphragm is subjected to reduced vibration caused by non-acoustic, the sound is more stable, the sound pickup quality can be effectively improved, and wind noise can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the utility model, the utility model will be further described below in combination with the drawings and embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor. In the drawings:

[0019] Figure 1 Fig. 1 is a structure schematic diagram of a microphone structure in some embodiments of the utility model under an outside perspective view;

[0020] Figure 2 Fig. 2 is a structure schematic diagram of the microphone structure in some embodiments of the utility model under an inside perspective view;

[0021] Figure 3 Fig. 3 is a sectional view of the microphone structure in some embodiments of the utility model.

[0022] Figure 4 Figure 1 is a structural schematic diagram of a waterproof and noise reduction assembly in some embodiments of the present application. DETAILED DESCRIPTION

[0023] In order to have a clearer understanding of the technical features, objectives and effects of the present application, the specific embodiments of the present application will be described in detail with reference to the drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "upper", "lower", "left", "right", "vertical", "horizontal", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail" and the like are based on the directions or positional relationships shown in the drawings, constructed and operated in a particular direction, and are only for the convenience of describing the technical solutions, and therefore cannot be understood as indicating that the devices or elements indicated must have a particular direction, thus cannot be understood as limiting the present application.

[0024] It should also be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing", "setting" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements or the interaction relationship between two elements. When an element is referred to as "on" or "under" another element, the element can be "directly" or "indirectly" located on the other element, or there can be one or more intervening elements. The terms "first", "second", "third" and the like are only for the convenience of describing the technical solutions, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features, therefore, the features with "first", "second", "third" and the like can be explicitly or implicitly included one or more of the features. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] In the following description, specific details are presented to facilitate a thorough understanding of the present application, but the present application can also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits and methods are omitted to avoid unnecessary details that hinder the description of the present application.

[0026] The present application provides an electronic device, which includes a microphone structure. The electronic device includes but is not limited to intercom, pager, smart phone, sound and navigation instrument and the like.

[0027] Referring to Figures 1 to 4 The utility model discloses a microphone structure, including casing 10, circuit board 20 and microphone 30 and waterproof noise reduction subassembly 40. The casing 10 can be the shell of electronic equipment, the casing 10 can have opposite inner side 10a and outer side 10b, the circumferential side 10c of connecting inner side 10a with the outer side 10b, the casing 10 has the sound pickup channel 11 through inner side 10a with the outer side 10b.

[0028] The circuit board 20 is installed on the inner side 10a of the casing 10, and the circuit board 20 is arranged opposite the sound pickup channel 11, the microphone 30 is installed on the side opposite the circuit board 20 and the casing 10, the casing 10 is further provided with a pressure relief channel 13, one end of the pressure relief channel 13 is communicated with the sound pickup channel 11, and the other end of the pressure relief channel 13 penetrates the circumferential side 10c. Wherein, the high-pressure water or high-pressure gas entering the sound pickup channel 11 can be partially discharged through the pressure relief channel 13. The pressure on the microphone transducer diaphragm is smaller, the microphone transducer diaphragm is not easy to be damaged, and the microphone can be better protected. In addition, the microphone transducer diaphragm is subjected to reduced vibration caused by non-acoustic, the sound is more stable, the sound pickup quality can be effectively improved, and wind noise is reduced.

[0029] In some embodiments, the pressure relief channel 13 can achieve the purpose of rapid pressure reduction according to the product structure, and the outlet of the pressure relief channel 13 is usually arranged away from the sound pickup channel 11 of the microphone 30 or the direction from which the high-pressure water or high-pressure gas may come. If necessary, the outlet of the pressure relief channel 13 is shielded and protected by a shielding piece, which includes but is not limited to a rubber plug.

[0030] As Figures 1 to 3 shown, in some embodiments, the circuit board 20 is provided with a sound pickup hole 21, and the sound pickup hole 21 is arranged opposite the sound pickup channel 11. The microphone 30 is installed on the side opposite the circuit board 20 and the casing 10, and the microphone 30 is arranged opposite the sound pickup hole 21. The transducer diaphragm of the microphone 30 can be arranged opposite the sound pickup hole 21.

[0031] The microphone structure further comprises a waterproof noise reduction subassembly 40, which is installed between the sound pickup hole 21 and the sound pickup channel 11. The waterproof noise reduction subassembly 40 comprises at least one mesh piece 41 and at least one waterproof air permeable piece 42. The mesh piece 41 and the waterproof air permeable piece 42 are arranged at intervals, the mesh piece 41 is arranged close to the sound pickup channel 11, and the waterproof air permeable piece 42 is arranged close to the sound pickup hole 21.

[0032] The high-pressure water or high-pressure gas entering the pickup channel 11 can be partially discharged through the pressure relief channel 13 and partially discharged through the waterproof noise reduction assembly 40.

[0033] It can be understood that the waterproof noise reduction assembly 40 is arranged to strengthen the thermal viscosity of the microphone structure, further reduce the gas energy, reduce the deformation of the waterproof air permeable member 42, reduce the pressure on the transducer diaphragm of the microphone 30, and better protect the microphone 30. In addition, the transducer diaphragm of the microphone 30 is less affected by non-acoustic vibrations, the sound is more stable, the pickup quality is improved, and the wind noise is reduced. The waterproof air permeable member 42 can isolate water and other media to prevent water from impacting the transducer diaphragm of the microphone 30, thereby protecting the microphone 30.

[0034] In some embodiments, the inner side surface 10a of the shell 10 is provided with a containing chamber 12 in communication with the pickup channel 11, and the waterproof noise reduction assembly 40 is installed in the containing chamber 12. The thickness of the containing chamber 12 can be similar to the thickness of the waterproof noise reduction assembly 40. When the circuit board 20 is installed on the inner side surface 10a of the shell 10, the side surface of the circuit board 20 can limit the waterproof noise reduction assembly 40, so that the waterproof noise reduction assembly 40 is fixed in the containing chamber 12, and the entire microphone structure is more compact. Of course, in other embodiments, the waterproof noise reduction assembly 40 can also be fixed by an adhesive, including but not limited to tape or glue. Alternatively, the waterproof noise reduction assembly 40 can also be fixed by welding, including but not limited to hot melting welding or laser welding, which is not limited here.

[0035] In some embodiments, the mesh member 41 completely covers the pickup channel 11, and the waterproof air permeable member 42 completely covers the pickup hole 21. Figure 3 As shown, the area of the mesh member 41 is greater than the cross-sectional area of the pickup channel 11, and the area of the waterproof air permeable member 42 is greater than the cross-sectional area of the pickup channel 11 and the cross-sectional area of the pickup hole 21.

[0036] It can be understood that the mesh member 41 completely covers the pickup channel 11, and the waterproof air permeable member 42 completely covers the pickup hole 21, so that the gas or other media can completely contact the mesh member 41. The gas can be decompressed (reduce the wind speed pressure) to avoid the gas entering the pickup hole 21 and directly transmitting to the transducer diaphragm of the microphone 30. The water and other media can first contact the mesh member 41, which can intercept at least part of the water or reduce the volume of the water to reduce the influence of the water and other media on the waterproof air permeable member 42 and the transducer diaphragm of the microphone 30.

[0037] Combination Figure 3 And Figure 4 As shown in FIG. 4, the waterproof noise reduction assembly 40 includes a ring-shaped part 43, and the mesh part 41 and the waterproof air-permeable part 42 are respectively provided with two axial end faces of the ring-shaped part 43. Alternatively, the waterproof noise reduction assembly 40 includes a ring-shaped part 43, and the mesh part 41 and the waterproof air-permeable part 42 are respectively arranged in the inner cavity of the ring-shaped part 43, and the mesh part 41 and the waterproof air-permeable part 42 cover the inner cavity of the ring-shaped part 43. Alternatively, the waterproof noise reduction assembly 40 includes a plurality of ring-shaped parts 43, and the ring-shaped parts 43, the mesh part 41 and the waterproof air-permeable part 42 are staggered and stacked together along the axial direction / height direction / thickness direction. The ring-shaped part 43 can be a plastic part.

[0038] The mesh part 41, the waterproof air-permeable part 42 and the ring-shaped part 43 can be fixed together by hot melting or laser welding. Of course, the waterproof noise reduction assembly 40 can also be assembled by other assembly methods, which are not limited here.

[0039] In some embodiments, the waterproof noise reduction assembly 40 is a one-piece structure. The waterproof noise reduction assembly 40 can be integrally formed by a mold.

[0040] In some embodiments, the mesh part 41 includes a gauze, such as a 250-mesh gauze. The mesh part 41 is a porous hydrophobic sound-permeable material or a dense woven sound-permeable net. The waterproof air-permeable part 42 includes a waterproof air-permeable film.

[0041] In this embodiment, when the gas passes through the mesh part 41, the energy is further consumed due to the effect of thermal viscosity, the energy of the gas reaching the waterproof air-permeable part 42 is reduced, the deformation of the waterproof air-permeable part 42 is reduced, the change in air pressure between the waterproof air-permeable part 42 and the transducer diaphragm of the microphone 30 is small, the change in pressure of the microphone 30 is small, the pressure received by the transducer diaphragm of the microphone 30 is small, and the microphone 30 is not easily damaged, thereby achieving the purpose of protecting the microphone 30.

[0042] Understandably, by setting the waterproof noise reduction assembly 40, the thermal viscosity of the microphone structure is strengthened, the transducer diaphragm of the microphone 30 is reduced in vibration caused by non-acoustic in a windy environment, and the sound is more stable, which can effectively improve the sound pickup quality and reduce wind noise.

[0043] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.

[0044] It can be understood that the above embodiments only express the preferred embodiments of the present application, which are described in detail and in detail, but cannot be understood as a limitation on the scope of the patent of the present application; It should be pointed out that for those skilled in the art, the above technical features can be freely combined without departing from the concept of the present application, and a number of modifications and improvements can be made, which belong to the protection scope of the present application; Therefore, any equivalent transformation and modification within the scope of the claims of the present application shall belong to the scope of the claims of the present application.

Claims

1. A microphone structure, characterized by, The microphone structure comprises a shell (10), a circuit board (20) and a microphone (30); the shell (10) has opposite inner side (10a) and outer side (10b), and a circumferential side (10c) connecting the inner side (10a) and the outer side (10b); the shell (10) has a sound pickup channel (11) penetrating the inner side (10a) and the outer side (10b); The circuit board (20) is installed on the inner side (10a) of the shell (10), and the circuit board (20) is arranged opposite to the sound pickup channel (11), and the microphone (30) is installed on the side opposite to the circuit board (20) and the shell (10); The shell (10) is further provided with a pressure relief channel (13), one end of the pressure relief channel (13) is communicated with the sound pickup channel (11), and the other end of the pressure relief channel (13) penetrates the circumferential side (10c).

2. The microphone structure according to claim 1, characterized in that, The circuit board (20) is provided with a sound pickup hole (21), the sound pickup hole (21) is arranged opposite to the sound pickup channel (11); the microphone (30) is arranged opposite to the sound pickup hole (21); The microphone structure further comprises a waterproof and noise reduction assembly (40), the waterproof and noise reduction assembly (40) is installed between the sound pickup hole (21) and the sound pickup channel (11), the waterproof and noise reduction assembly (40) comprises at least one mesh part (41) and at least one waterproof and breathable part (42), the mesh part (41) and the waterproof and breathable part (42) are arranged in a spaced manner, the mesh part (41) is arranged close to the sound pickup channel (11), and the waterproof and breathable part (42) is arranged close to the sound pickup hole (21).

3. The microphone structure according to claim 2, characterized in that, The inner side (10a) of the shell (10) is provided with a containing chamber (12), the containing chamber (12) is arranged in communication with the sound pickup channel (11), and the waterproof and noise reduction assembly (40) is installed in the containing chamber (12).

4. The microphone structure according to claim 2, characterized in that, The mesh part (41) completely covers the sound pickup channel (11), and the waterproof and breathable part (42) completely covers the sound pickup hole (21).

5. The microphone structure of claim 2, wherein, The waterproof and noise reduction assembly (40) comprises an annular part (43), the mesh part (41) and the waterproof and breathable part (42) are respectively provided with two axial end faces of the annular part (43).

6. The microphone structure of claim 2, wherein, The waterproof and noise reduction assembly (40) comprises an annular part (43), the mesh part (41) and the waterproof and breathable part (42) are respectively arranged in the inner cavity of the annular part (43), and the mesh part (41) and the waterproof and breathable part (42) cover the inner cavity of the annular part (43).

7. The microphone structure of claim 2, wherein, The mesh part (41) comprises a gauze.

8. The microphone structure of claim 2, wherein, The waterproof and breathable part (42) comprises a waterproof and breathable film.

9. The microphone structure according to any one of claims 2 to 8, characterized in that, The waterproof and noise reduction assembly (40) is an integral structure.

10. An electronic device, comprising: The microphone structure comprises the microphone structure according to any one of claims 1 to 9.

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