Speaker Microphone Device

Abstract

The present invention provides a speaker microphone device, comprising a diaphragm for sounding, a housing, a basin frame and a microphone, wherein the diaphragm is arranged in the housing; the basin frame is arranged on the housing and comprises a recessed portion that is recessed toward the diaphragm toward the outside; and the microphone is arranged in the recessed portion to receive external sound. The speaker microphone device can realize sounding and receiving at the same time, can be applied to noise reduction headphones, and occupies a small space.

Description

Technical Field

[0001] The present invention relates to the field of audio equipment, and in particular to a speaker microphone device. Background Art

[0002] Currently, many products need to emit sound and receive sound at the same time. A sound emitting unit and a receiving microphone are separately arranged in the earphone. The sound emitting unit and the receiving microphone are separate and occupy a large space. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a speaker microphone device in view of the above-mentioned defects in the related art.

[0004] The technical solution adopted by the present invention to solve the technical problem is: construct a speaker microphone device, including a diaphragm for sounding, including:

[0005] a housing, wherein the diaphragm is arranged in the housing;

[0006] A basin frame, arranged on the shell, comprising a concave portion that is concave toward the outside and toward the diaphragm;

[0007] And, a microphone is disposed in the recessed portion to receive external sound.

[0008] Preferably, the sound collecting direction of the microphone is opposite to the sound producing direction of the diaphragm.

[0009] Preferably, the basin frame is located on the back side of the diaphragm, and the shell is provided with a sound outlet hole connecting the inside and the outside on one side of the diaphragm's sound producing direction, so that the sound emitted by the diaphragm can be transmitted outward through the sound outlet hole.

[0010] Preferably, the speaker microphone device includes a PCB, which is arranged on the outer side of the shell in the sound emission direction. The PCB is provided with a through hole, which is aligned with the sound outlet hole of the shell to allow the sound emitted by the diaphragm to propagate outward through the sound outlet hole.

[0011] Preferably, a convex portion is provided on one side of the basin frame facing the diaphragm, so that the concave portion is formed at a position on the outer side of the basin frame corresponding to the convex portion.

[0012] Preferably, the speaker microphone device comprises an annular magnet arranged in the housing, and the protrusion extends into the enclosure of the magnet.

[0013] Preferably, the speaker microphone device comprises a voice coil, which is arranged on the diaphragm and located in the enclosure of the magnet, and the protrusion extends into the enclosure of the voice coil.

[0014] Preferably, the basin frame includes a peripheral portion surrounding the recessed portion, and the peripheral portion is connected to the shell.

[0015] Preferably, a longitudinal wire groove is provided on the side of the speaker microphone device.

[0016] Preferably, the speaker microphone device includes a magnet arranged in the shell, the side of the shell is provided with a longitudinal wire-passing notch connecting the inside and the outside, the side of the magnet is provided with a longitudinal groove, the wire-passing notch of the shell is aligned with the groove of the magnet to form the wire-passing groove.

[0017] The implementation of the technical solution of the present invention has at least the following beneficial effects: the speaker microphone device can realize sound production and sound reception at the same time, the microphone is contained in the speaker, can be applied to noise reduction headphones, and occupies a small space, saving space in the headphone shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0019] Figure 1-2 It is a perspective view of a speaker microphone device according to an embodiment of the present invention.

[0020] Figure 3 yes Figure 1 A three-dimensional cross-sectional view of a speaker microphone device.

[0021] Figure 4-5 yes Figure 1 An exploded view of the speaker-microphone assembly.

[0022] The numbers in the figure indicate: basin frame 1, recessed portion 11, raised portion 12, peripheral portion 13, leakage hole 14, shell 2, sound outlet hole 21, wire notch 22, positioning portion 2a, diaphragm 3, voice coil 4, magnet 5, groove 51, wire groove 6, PCB 7, through hole 71, positioning recess 7a, microphone 8, sound receiving hole 81, microphone wire 82. DETAILED DESCRIPTION

[0023] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific embodiments of the present invention are now described in detail with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "up", "down", "left", "right", "longitudinal", "horizontal", "vertical", "horizontal", "top", "bottom", "inside", "outside", "head", "tail", etc. are based on the directions or positional relationships shown in the accompanying drawings, are constructed and operated in a specific direction, and are only for the convenience of describing the present technical solution, rather than indicating that the device or element referred to must have a specific direction, and therefore cannot be understood as a limitation to the present invention.

[0024] It should also be noted that, unless otherwise clearly specified and limited, the terms such as "installed", "connected", "connected", "fixed", "set" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. When an element is referred to as being "on" or "under" another element, the element can be "directly" or "indirectly" located on the other element, or there may be one or more intermediate elements. The terms "first", "second", "third", etc. are only for the convenience of describing the present technical solution, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second", "third", etc. can explicitly or implicitly include one or more of the features. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0025] In the following description, specific details such as specific system structures, technologies, etc. are provided for the purpose of illustration rather than limitation, so as to provide a thorough understanding of the embodiments of the present invention. However, it should be clear to those skilled in the art that the present invention may 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 prevent unnecessary details from obstructing the description of the present invention.

[0026] See also Figure 1-5 , a speaker microphone device in one embodiment of the present invention includes a diaphragm 3 for sounding, including:

[0027] A housing 2, wherein a diaphragm 3 is disposed in the housing 2;

[0028] The basin frame 1 is arranged on the housing 2, and comprises an outwardly open recess 11 which is open toward the outside and recessed toward the diaphragm 3;

[0029] And, the microphone 8 is provided in the recess 11 to receive external sound.

[0030] The speaker microphone device can realize sound production and sound reception at the same time, and can be applied to noise reduction headphones.

[0031] The microphone 8 includes a sound receiving hole 81 for receiving sound. The sound receiving hole 81 faces outward. The sound receiving direction of the microphone 8 is opposite to the sound producing direction of the diaphragm 3 .

[0032] The basket 1 is located on the back side of the diaphragm 3, and a sound outlet hole 21 connecting the inside and the outside is provided on the side of the shell 2 in the sound producing direction of the diaphragm 3, so that the sound emitted by the diaphragm 3 can be transmitted outward through the sound outlet hole 21. In other words, the basket 1 is arranged in the opposite position to the sound producing direction of the diaphragm 3.

[0033] The speaker microphone device includes a PCB7, which is arranged on the outer side of the shell 2 in the sound-producing direction. The PCB7 is provided with a through hole 71, which is aligned with the sound outlet hole 21 of the shell 2 so that the sound emitted by the diaphragm 3 can be transmitted outward through the sound outlet hole 21.

[0034] The housing 2 is provided with a raised positioning portion 2a. The PCB7 is annular or circular. The outer edge of the PCB7 is provided with a positioning recess 7a matching the positioning portion 2a. The positioning portion 2a and the positioning recess 7a are matched with each other to position the PCB7. The positioning portion 2a includes at least two positioning portions 2a spaced apart around the periphery of the PCB7. Figure 1-5 In the embodiment of the present invention, the positioning portion 2a is spindle-shaped.

[0035] A protrusion 12 is provided on the side of the basin frame 1 facing the diaphragm 3 (ie, the inner side opposite to the outer side) to form a recess 11 at a position corresponding to the protrusion 12 on the outer side of the basin frame 1. Preferably, the protrusion 12 is cylindrical. Preferably, the basin frame 1 is stamped from a sheet metal part.

[0036] The loudspeaker microphone device comprises an annular magnet 5 arranged in the housing 2 , into which a projection 12 of the frame 1 projects.

[0037] The loudspeaker microphone device comprises a voice coil 4 , which is arranged on the diaphragm 3 and is located in the enclosure of the magnet 5 , and the protrusion 12 extends into the enclosure of the voice coil 4 .

[0038] The basin frame 1 includes a peripheral portion 13 surrounding the concave portion 11, and the outer edge of the peripheral portion 13 is connected to the housing 2 to achieve the connection between the basin frame 1 and the housing 2. The peripheral portion 13 is provided with a leakage hole 14 connecting the inside and the outside, that is, the leakage hole 14 connects the outside with the side facing the diaphragm 3. The peripheral portion 13 is in the shape of an annular plate.

[0039] A longitudinal wire groove 6 is provided on the outer side of the speaker microphone device, and the wire groove 6 is used for passing a wire 82 connected to the microphone 8, PCB 7 or other structures.

[0040] The speaker microphone device includes a magnet 5 arranged in a shell 2, and a longitudinal wire-passing notch 22 connecting the inside and the outside is provided on the side of the shell 2. A longitudinal groove 51 is provided on the side of the magnet 5. The wire-passing notch 22 of the shell 2 is aligned with the groove 51 of the magnet 5 to form a wire-passing groove 6.

[0041] The speaker microphone device of the present invention can realize sound production and sound collection at the same time, can be applied to a noise reduction microphone, and occupies a small space.

[0042] The above description is only the preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications, combinations and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A speaker microphone device, comprising a diaphragm (3) for producing sound, characterized in that: include: A housing (2), wherein the diaphragm (3) is arranged in the housing (2); A basin frame (1) is arranged on the housing (2), and comprises a recessed portion (11) which is recessed outwardly in the direction of the diaphragm (3); and, a microphone (8) disposed in the recess (11) to receive external sound; The microphone (8) comprises a sound receiving hole (81) for receiving sound, wherein the sound receiving hole (81) is located on a side of the microphone (8) facing away from the diaphragm (3); The basin frame (1) is located on the back side of the diaphragm (3), and the housing (2) is provided with a sound outlet hole (21) communicating with the inside and outside on one side of the diaphragm (3) in the sound-generating direction, so that the sound emitted by the diaphragm (3) can be transmitted outward through the sound outlet hole (21); The sound receiving direction of the microphone (8) is opposite to the sound producing direction of the diaphragm (3).

2. The speaker microphone device according to claim 1, characterized in that: The speaker microphone device comprises a PCB (7), wherein the PCB (7) is arranged on the outer side of the shell (2) in the sound producing direction, and a through hole (71) is provided on the PCB (7), wherein the through hole (71) is aligned with the sound outlet hole (21) of the shell (2), so that the sound emitted by the diaphragm (3) can be transmitted outward through the sound outlet hole (21).

3. The speaker microphone device according to claim 1, characterized in that: A convex portion (12) is provided on one side of the basin frame (1) facing the diaphragm (3), so as to form the concave portion (11) at a position corresponding to the convex portion (12) on the outside of the basin frame (1).

4. The speaker microphone device according to claim 3, characterized in that: The loudspeaker microphone device comprises an annular magnet (5) arranged in the housing (2), and the protrusion (12) extends into the enclosure of the magnet (5).

5. The speaker microphone device according to claim 4, characterized in that: The loudspeaker microphone device comprises a voice coil (4), wherein the voice coil (4) is arranged on the diaphragm (3) and is located in the enclosure of the magnet (5), and the protrusion (12) extends into the enclosure of the voice coil (4).

6. The speaker microphone device according to claim 1, characterized in that: The basin frame (1) comprises a peripheral portion (13) surrounding the recess (11), and the peripheral portion (13) is connected to the shell (2).

7. The speaker microphone device according to claim 1, characterized in that: A longitudinal wire groove (6) is provided on the side of the speaker microphone device.

8. The speaker microphone device according to claim 7, characterized in that: The speaker microphone device comprises a magnet (5) arranged in the shell (2), the side of the shell (2) is provided with a longitudinal wire-passing notch (22) connecting the inside and the outside, the side of the magnet (5) is provided with a longitudinal groove (51), and the wire-passing notch (22) of the shell (2) is aligned with the groove (51) of the magnet (5) to form the wire-passing groove (6).

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