CN213186533U - Sound production module - Google Patents

Abstract

The utility model discloses a sounding module, which comprises a shell with an inner cavity, a sounding monomer arranged in the inner cavity, a ventilating partition, a conductive piece and a sound-absorbing material; the breathable partition piece is obliquely fixed in the inner cavity, the breathable partition piece divides the inner cavity into an accommodating cavity for accommodating the sounding single body and a sound absorbing cavity for accommodating the sound absorbing material, and a notch is formed in the breathable partition piece; one end of the conductive piece is electrically connected with the sounding monomer, and the other end of the conductive piece penetrates through the notch to enter the sound absorbing cavity and is electrically connected with an external circuit. The utility model discloses a sound production module increases the area of contact of sound absorbing material and sound wave air current, increases sound absorbing material's utilization ratio, improves sound absorbing effect.

Description

Sound production module

Technical Field

The utility model relates to an electroacoustic conversion technology field, in particular to sound production module.

Background

Along with electronic equipment's size toward the thin development, the thickness that leads to the sound production module among the electronic equipment reduces as far as possible to lead to inserting and being used for keeping apart noise elimination material and the free spacer size of sound production in the back chamber and diminishing, thereby influenced the gas flow in sound production monomer and back sound chamber, be unfavorable for the audio performance and promote. Meanwhile, in order to ensure the area of the isolating piece, the shape of the isolating piece is long and narrow, the volume production is not facilitated, and the processing difficulty is increased.

Therefore, it is desirable to provide a novel sound module to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sound production module, it is less to aim at solving the spacer size among the current sound production module, leads to the technical problem that tone quality reduces.

In order to achieve the above object, the sound module provided by the present invention comprises a sound module, wherein the sound module comprises a housing having an inner cavity, a sound monomer disposed in the inner cavity, a breathable separator, a conductive member and a sound absorbing material; the breathable partition piece is obliquely fixed in the inner cavity, the breathable partition piece divides the inner cavity into an accommodating cavity for accommodating the sounding single body and a sound absorbing cavity for accommodating the sound absorbing material, and a notch is formed in the breathable partition piece;

one end of the conductive piece is electrically connected with the sounding monomer, and the other end of the conductive piece penetrates through the notch to enter the sound absorbing cavity and is electrically connected with an external circuit.

Preferably, the breathable separator comprises a frame with a central hole and a breathable net arranged on the central hole, and the notch is arranged on the frame.

Preferably, the casing includes the mount pad and the cooperation forms the inferior valve and the upper cover of inner chamber, the inferior valve includes the bottom plate, the upper cover include with the relative roof that sets up of bottom plate, the mount pad is located the bottom plate or on the roof, the mount pad still include with bottom plate place plane is the contained angle and sets up the holding surface, the frame is located set up with the slope on the holding surface the inner chamber.

Preferably, the breathable isolation piece further comprises a first adhesive layer and a second adhesive layer, the first adhesive layer is attached to the frame, the first adhesive layer, the breathable net and the second adhesive layer are sequentially stacked, and the breathable isolation piece is attached to the supporting surface through the second adhesive layer.

Preferably, the housing further comprises a pressing seat, one of the pressing seat and the mounting seat is arranged on the top plate, the other of the pressing seat and the mounting seat is arranged on the bottom plate, and the pressing seat and the mounting seat respectively clamp two opposite side surfaces of the frame.

Preferably, the housing further includes a first abutting member disposed on the top plate and a second abutting member disposed on the bottom plate, and the first abutting member and the second abutting member abut against two opposite ends of the frame respectively to abut against the frame to be obliquely fixed in the inner cavity.

Preferably, the mounting seat and the first abutting piece are arranged at intervals, and the pressing seat and the second abutting piece are arranged at intervals; the frame comprises a first mounting surface, a second mounting surface, a bottom surface and a top surface, wherein the first mounting surface and the second mounting surface are oppositely arranged, the bottom surface and the top surface are oppositely arranged, the first mounting surface is connected with the bottom surface, the second mounting surface is connected with the top surface, the first mounting surface is abutted to the supporting surface of the pressing seat, the bottom surface is abutted to the first abutting piece, the second mounting surface is abutted to the mounting seat, and the top surface is abutted to the second abutting piece.

Preferably, a first accommodating groove is formed between the press seat and the first abutting piece at an interval, a second accommodating groove is formed between the mounting seat and the second abutting piece at an interval, an end portion of the first mounting surface connected with the bottom surface is accommodated in the first accommodating groove, and an end portion of the second mounting surface connected with the top surface is accommodated in the second accommodating groove.

Preferably, the conductive piece comprises a first connecting arm electrically connected with the sounding monomer, an inclined arm extending from the first connecting arm to the direction close to the bottom plate or the top plate, and a second connecting arm extending from the inclined arm in a bending manner, the inclined arm is arranged in the accommodating cavity, and the second connecting arm penetrates through the notch.

Preferably, the housing further comprises a support seat provided on the top plate, the support seat supporting the tilt arm.

In the utility model, the breathable partition is obliquely arranged, so that the height of the obliquely arranged breathable partition can be larger compared with the vertically arranged breathable partition, the area of the breathable partition is ensured, the air flow between the accommodating cavity and the sound absorbing cavity is ensured, the contact area between the sound absorbing material and the sound wave airflow is increased, the utilization rate of the sound absorbing material is increased, and the sound absorbing effect is improved; through seting up the breach on ventilative separator for electrically conductive piece can be through the breach from acceping the chamber to the sound-absorbing chamber, in order to save to set up the hole that supplies electrically conductive piece to pass in other positions of casing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic view of a disassembled structure of an embodiment of the sound module of the present invention;

fig. 2 is a schematic view of a part of a structure of an embodiment of the sound module of the present invention;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

fig. 4 is a partial structural view of an angle of an embodiment of the housing of the present invention;

fig. 5 is a partial schematic structural view of another angle of an embodiment of the housing of the present invention;

fig. 6 is a schematic plan view of an embodiment of the sound module of the present invention;

FIG. 7 is a schematic cross-sectional view of the sound module shown in FIG. 6 along line B-B;

FIG. 8 is a schematic cross-sectional view of the sound module shown in FIG. 6 along the line C-C;

FIG. 9 is an enlarged schematic view of section E of FIG. 8;

FIG. 10 is a schematic view of the sound module shown in FIG. 6, partially in cross section, taken along line D-D;

FIG. 11 is a schematic view of the cross-sectional configuration of FIG. 10 with the air-permeable barrier omitted;

fig. 12 is a schematic view of the disassembled structure of an embodiment of the air-permeable partition of the present invention.

Examples reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a sound production module 100.

Referring to fig. 1, 2 and 3, in the sound module 100 according to the present invention, the sound module 100 includes a housing (not labeled) having an inner cavity 2, a sound unit 3 disposed in the inner cavity 2, a breathable spacer 5, a conductive member 7 and a sound absorbing material (not shown); the ventilating partition piece 5 is obliquely fixed in the inner cavity 2, the ventilating partition piece 5 divides the inner cavity 2 into an accommodating cavity 21 for accommodating the sounding single body 3 and a sound absorbing cavity 22 for accommodating sound absorbing materials, and a notch 52 is formed in the ventilating partition piece 5; the conductive member 7 has one end electrically connected to the sounding unit 3 and the other end passing through the notch 52 into the sound-absorbing chamber 22 and is adapted to be electrically connected to an external circuit.

In order to conveniently install the sound production module 100 into the whole machine, the design requirement of the whole machine thinning is met. The sound module 100 is generally a flat structure with regular or irregular outer edge, and the air-permeable partition 5 is obliquely fixed in the inner cavity 2. specifically, the air-permeable partition 5 is disposed non-perpendicular to the flat surface of the sound module 100. Under the whole thinner condition of sound module 100, through setting up ventilative separator 5 slope for compare the ventilative separator 5 of perpendicular setting, the height of the ventilative separator 5 of slope setting can be bigger, in order to guarantee the area of ventilative separator 5, thereby guarantees to accept the air flow between chamber 21 and the sound-absorbing chamber 22. Conductive piece 7 can be directly or indirectly be connected with the voice coil loudspeaker voice coil of sound production monomer 3, for the voice coil loudspeaker voice coil power supply, the voice coil loudspeaker voice coil vibrates in the magnetic gap of sound production monomer 3, and drive vibrating diaphragm vibration sound production. The sound-absorbing material may be sound-absorbing cotton, sound-absorbing particles, etc., and when the sound-absorbing material is sound-absorbing particles, the gap between the inner wall of the notch 52 and the conductive member 7 is smaller than the particle diameter of the sound-absorbing particles, so as to prevent the sound-absorbing particles from entering the accommodating cavity 21.

In the utility model, the breathable partition 5 is obliquely arranged, so that the height of the obliquely arranged breathable partition 5 can be larger compared with the vertically arranged breathable partition 5, so as to ensure the area of the breathable partition 5, ensure the air flow between the accommodating cavity 21 and the sound absorption cavity 22, increase the contact area between the sound absorption material and the sound wave airflow, increase the utilization rate of the sound absorption material and improve the sound absorption effect; the notch 52 is formed on the air-permeable isolating member 5, so that the conductive member 7 can pass through the notch 52 from the accommodating cavity 21 to the sound absorption cavity 22, thereby omitting the formation of a hole for the conductive member 7 to pass through at other positions of the housing.

Further, the air-permeable partition 5 includes a frame 51 having a central hole and an air-permeable net 53 provided on the central hole, and the notch 52 is opened on the frame 51. The edge of the frame 51 is recessed to form a notch 52, the notch 52 is opened toward the housing, and the conductive member 7 passes between the inner wall surface of the notch 52 and the housing. By arranging the frame 51, the air-permeable net 53 can be fixed on the frame 51 and is obliquely arranged in the inner cavity 2 through the frame 51; by providing the notches 52 in the frame 51, thereby avoiding the notches 52 in the air-permeable net 53, the frame 51 is inserted into the housing, i.e. a passage is formed through which the conductive member 7 passes, so as to increase the assembly efficiency.

Referring to fig. 4 and 5, the housing includes a mounting seat 11, and a lower housing 13 and an upper housing 15 that cooperate to form the inner cavity 2, the lower housing 13 includes a bottom plate 131, the upper housing 15 includes a top plate 151 disposed opposite to the bottom plate 131, the mounting seat 11 is disposed on the bottom plate 131 or the top plate 151, the mounting seat 11 further includes a supporting surface 111 disposed at an included angle with a plane of the bottom plate 131, and the frame 51 is disposed on the supporting surface 111 to be disposed in the inner cavity 2 in an inclined manner. Referring to fig. 5 and fig. 6, in the present embodiment, the lower case 13 further includes a first sidewall 133 bent and extended from the bottom plate 131, the upper cover 15 further includes a second sidewall 153 bent and extended from the top plate 151, the first sidewall 133 and the second sidewall 153 are covered with each other, and the bottom plate 131, the first sidewall 133, the second sidewall 153 and the top plate 151 surround to form the inner cavity 2. Of course, in other embodiments, one of the lower case 13 or the upper case 15 may have a plate-like structure and directly cover the other lower case 13 or the upper case 15 having the side walls. The frame 51 can be directly attached to the supporting surface 111 by gluing, and a person skilled in the art can set the supporting surface 111 according to the required inclination angle of the air-permeable partition 5, so that the frame 51 is attached to the supporting surface 111, that is, the inclined setting is completed.

Referring to fig. 12, the air-permeable isolation member 5 further includes a first adhesive layer 55 and a second adhesive layer 57, the first adhesive layer 55 is attached to the frame 51, the first adhesive layer 55, the air-permeable net 53 and the second adhesive layer 57 are sequentially stacked, and the air-permeable isolation member 5 is attached to the supporting surface 111 through the second adhesive layer 57. In one embodiment, the first adhesive layer 55 and the second adhesive layer 57 are double-sided adhesive tapes, although one skilled in the art can provide different materials with adhesive properties as the first adhesive layer 55 and the second adhesive layer 57 according to needs. Of course, in order to avoid the first glue layer 55 and the second glue layer 57 from blocking the central hole, the first glue layer 55 and the second glue layer 57 may be provided in a structure adapted to the frame 51.

Referring to fig. 4, 5, 7, 8 and 9, the housing further includes a press seat 17, one of the press seat 17 and the mounting seat 11 is disposed on the top plate 151, and the other is disposed on the bottom plate 131, and the press seat 17 and the mounting seat 11 respectively clamp two opposite side surfaces of the frame 51. In the present embodiment, the press-fit seat 17 is provided on the bottom plate 131, and the mount 11 is provided on the top plate 151. When the breathable isolating piece 5 is installed, a first adhesive layer 55 is firstly attached to the frame body, and the breathable net 53 is attached to the frame body; and arranging a second adhesive layer 57 on the breathable net 53, attaching the breathable isolating piece 5 on the supporting surface 111 through the second adhesive layer 57, covering the lower shell 13 on the upper cover 15, and pressing the pressing seat 17 on the surface of the frame 51 far away from the mounting seat 11 so as to increase the connection strength of the breathable isolating piece 5 and the mounting seat 11.

In the present embodiment, the number of the mounting seats 11 and the press-fit seats 17 is two, and the two mounting seats 11 and the press-fit seats 17 are disposed on opposite sides of the frame 51 in a one-to-one manner. Limiting walls 191 are respectively arranged on one sides of the two installation bases 11 far away from the frame 51 to limit the movement of the frame 51 along the connecting line direction of the two installation bases 11. Accordingly, a stopper wall 191 may be also provided at one side of the press-fit seat 17 to restrict the movement of the frame 51. The limit wall 191 on one side of the press-fit seat 17 is matched with the limit wall 191 on one side of the mounting seat 11 to ensure that the lower shell 13 and the upper cover 15 can be covered.

The housing further includes a first abutting member 12 disposed on the top plate 151 and a second abutting member 14 disposed on the bottom plate 131, and the first abutting member 12 and the second abutting member 14 abut against two opposite ends of the frame 51 respectively so as to abut against the frame 51 and be fixed in the inner cavity 2 in an inclined manner. The first abutting member 12 and the second abutting member 14 may be provided with inclined surfaces forming an included angle with the plane of the bottom plate 131, so as to be matched with the surface of the frame 51, so that the contact area between the ventilation isolating member 5 obliquely arranged in the inner cavity 2 and the first abutting member 12 and the second abutting member 14 is increased, and the stability of the ventilation isolating member 5 is increased. In the present embodiment, the first abutting member 12 includes a suspending wall 121 extending from the top plate 151 to be close to the bottom plate 131, an abutting wall 123 extending from the suspending wall 121 to be far away from the sound generating unit 3, and a blocking wall 125 extending from the abutting wall 123 to be close to the bottom plate 131, and the frame 51 abuts against the abutting wall 123. The second retaining member 14 may have the same structure as the first retaining member 12, as will be appreciated by those skilled in the art. By providing the first abutting member 12 and the second abutting member 14, the movement of the air-permeable partition 5 in the direction of the plane of the supporting surface 111 is avoided. In one embodiment, the blocking wall of the second abutting member 14 is higher than the blocking wall 125 of the first abutting member 12.

Referring to fig. 10 and 11, the mounting base 11 and the first abutting member 12 are disposed at intervals, and the pressing base 17 and the second abutting member 14 are disposed at intervals; the frame 51 includes oppositely disposed first and second mounting surfaces 511 and 513, and oppositely disposed bottom and top surfaces 515 and 517; the first mounting surface 511 is connected to the bottom surface 515, the second mounting surface 513 is connected to the top surface 517, the first mounting surface 511 abuts against the support surface 111 of the mounting seat 11, the bottom surface 515 abuts against the first abutting member 12, the second mounting surface 513 abuts against the support surface 111 of the mounting seat 11, and the top surface 517 abuts against the second abutting member 14. Namely, the first mounting surface 511 and the bottom surface 515 which are connected are respectively abutted against the press-fit seat 17 and the first abutting member 12 which are arranged at intervals, the second mounting surface 513 and the top surface 517 which are connected are respectively abutted against the mounting seat 11 and the second abutting member 14 which are arranged at intervals, and the two connected surfaces are supported or limited, so that the position of the ventilation isolator 5 is fixed. The frame 51 may also include other surfaces besides the first mounting surface 511, the second mounting surface 513, the bottom surface 515, and the top surface 517, as will be appreciated by those skilled in the art.

Furthermore, a first accommodating groove 16 is formed between the press-fit seat 17 and the first abutting member 12 at an interval, a second accommodating groove 18 is formed between the mounting seat 11 and the second abutting member 14 at an interval, an end portion of the first mounting surface 511 connected with the bottom surface 515 is accommodated in the first accommodating groove 16, and an end portion of the second mounting surface 513 connected with the top surface 517 is accommodated in the second accommodating groove 18. By arranging the first accommodating groove 16 and the second accommodating groove 18, more air-permeable separators 5 with different end structures can be adapted, and avoiding structures arranged on the air-permeable separators 5 to avoid interference between the air-permeable separators 5 and the top plate 151 or the bottom plate 131 is omitted.

Referring to fig. 1, 2, 3 and 4, the conductive member 7 includes a first connecting arm 71 electrically connected to the sound generating unit 3, an inclined arm 73 extending from the first connecting arm 71 toward the bottom plate 131 or the top plate 151, and a second connecting arm 75 extending from the inclined arm 73 in a bending manner, wherein the inclined arm 73 is disposed in the accommodating cavity 21, and the second connecting arm 75 passes through the notch 52.

The housing further includes a bearing 192 disposed on the top plate 151 that supports the tilt arm 73. So that the structure of the tilting arm 73 is stabilized. In the present embodiment, the supporting seat 192 is disposed between the two mounting seats 11.

The above is only the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all of which are in the utility model discloses a conceive, utilize the equivalent structure transform that the content of the specification and the attached drawings did, or directly/indirectly use all to include in other relevant technical fields the patent protection scope of the present invention.

Claims (10)

1. The sounding module is characterized by comprising a shell with an inner cavity, a sounding monomer arranged in the inner cavity, a breathable isolating piece, a conductive piece and a sound-absorbing material; the breathable partition piece is obliquely fixed in the inner cavity, the breathable partition piece divides the inner cavity into an accommodating cavity for accommodating the sounding single body and a sound absorbing cavity for accommodating the sound absorbing material, and a notch is formed in the breathable partition piece;

one end of the conductive piece is electrically connected with the sounding monomer, and the other end of the conductive piece penetrates through the notch to enter the sound absorbing cavity and is electrically connected with an external circuit.

2. The acoustic module of claim 1 wherein the air permeable partition comprises a frame having a central opening and an air permeable mesh disposed over the central opening, the gap opening onto the frame.

3. The acoustic module of claim 2, wherein the housing includes a mounting seat, and a lower housing and an upper housing cooperating to form the inner cavity, the lower housing includes a bottom plate, the upper housing includes a top plate disposed opposite to the bottom plate, the mounting seat is disposed on the bottom plate or the top plate, the mounting seat further includes a supporting surface disposed at an included angle with a plane where the bottom plate is located, and the frame is disposed in the inner cavity in an inclined manner on the supporting surface.

4. The acoustic module of claim 3, wherein the air permeable spacer further comprises a first adhesive layer and a second adhesive layer, the first adhesive layer is attached to the frame, the first adhesive layer, the air permeable mesh and the second adhesive layer are sequentially stacked, and the air permeable spacer is attached to the supporting surface through the second adhesive layer.

5. The sound generating module of claim 3, wherein the housing further comprises a press-fit seat, one of the press-fit seat and the mounting seat is disposed on the top plate, the other of the press-fit seat and the mounting seat is disposed on the bottom plate, and the press-fit seat and the mounting seat respectively clamp two opposite sides of the frame.

6. The acoustic module of claim 5, wherein the housing further comprises a first abutting member disposed on the top plate and a second abutting member disposed on the bottom plate, and the first abutting member and the second abutting member abut against two opposite ends of the frame respectively to abut against the frame and to be fixed in the inner cavity in an inclined manner.

7. The sound generating module as claimed in claim 6, wherein the mounting seat and the first supporting member are spaced apart from each other, and the press-fit seat and the second supporting member are spaced apart from each other; the frame comprises a first mounting surface, a second mounting surface, a bottom surface and a top surface, wherein the first mounting surface and the second mounting surface are oppositely arranged, the bottom surface and the top surface are oppositely arranged, the first mounting surface is connected with the bottom surface, the second mounting surface is connected with the top surface, the first mounting surface is abutted to the supporting surface of the pressing seat, the bottom surface is abutted to the first abutting piece, the second mounting surface is abutted to the mounting seat, and the top surface is abutted to the second abutting piece.

8. The acoustic module of claim 7, wherein a first receiving slot is defined between the press-fit seat and the first abutting member, a second receiving slot is defined between the mounting seat and the second abutting member, an end of the first mounting surface connected to the bottom surface is received in the first receiving slot, and an end of the second mounting surface connected to the top surface is received in the second receiving slot.

9. The sound generating module as claimed in any one of claims 3 to 8, wherein the conductive member includes a first connecting arm electrically connected to the sound generating unit, a tilting arm extending from the first connecting arm in a direction approaching the bottom plate or the top plate, and a second connecting arm extending from the tilting arm in a bent manner, the tilting arm being disposed in the receiving cavity, and the second connecting arm passing through the notch.

10. The voicing module of claim 9 wherein the housing further comprises a support base on the top plate, the support base supporting the tilt arm.

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