CN109831723B - Sounding device and assembling method thereof - Google Patents
Sounding device and assembling method thereof Download PDFInfo
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- CN109831723B CN109831723B CN201811562312.6A CN201811562312A CN109831723B CN 109831723 B CN109831723 B CN 109831723B CN 201811562312 A CN201811562312 A CN 201811562312A CN 109831723 B CN109831723 B CN 109831723B
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Abstract
The invention provides a sounding device, which comprises a basin frame, a vibration system and a magnetic circuit system, wherein the vibration system and the magnetic circuit system are respectively fixed on the basin frame; vibration system includes vibrating diaphragm, ball top and voice coil loudspeaker voice coil, and the ball top includes the ball top body, by the connection wall that the ball top body extends, sunken and extend to the appearance that connects in the wall and glue the groove and run through the through-hole of connecting the wall and with the appearance gluey groove intercommunication by the ball top body, connect the wall connection in the top surface of voice coil loudspeaker voice coil, and the top surface complete butt of voice coil loudspeaker voice coil covers the through-hole, and the width of through-hole is less than the thickness of voice coil loudspeaker voice coil. The invention also provides an assembly method of the sounding device, which comprises the following steps: providing the sound production device; the ball top is overlapped on the top surface of the voice coil; glue is poured into the glue containing groove by using a glue beater, so that the ball top and the voice coil are glued and fixed; attaching one side of the ball top, which is far away from the voice coil, to the vibrating diaphragm; and (4) assembling other parts. Compared with the related art, the sound production device has high reliability.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of acoustoelectrics, in particular to a sounding device applied to a portable electronic product and an assembling method thereof.
[ background of the invention ]
With the advent of the mobile internet age, the number of smart mobile devices is increasing. Among the mobile devices, the mobile phone is undoubtedly the most common and portable mobile terminal device. A sound generating device for playing sound is widely applied to smart mobile devices such as current mobile phones.
The sound production device in the related art comprises a basin frame, a vibration system and a magnetic circuit system, wherein the vibration system and the magnetic circuit system are respectively fixed on the basin frame; the vibration system is including being fixed in the vibrating diaphragm of basin frame and being fixed in the vibrating diaphragm inserts and locates the magnetic gap is in order to drive the voice coil loudspeaker voice coil of vibrating diaphragm vibration sound production, the vibrating diaphragm with the voice coil loudspeaker voice coil forms fixed connection through the mode of beating glue.
However, in the sound generating device in the related art, glue is directly injected into one end of the voice coil near the diaphragm, and the voice coil is glued with the diaphragm through the glue, but the side width of the voice coil is generally smaller than 0.30mm, and the minimum side width of the glue injected by the glue injector is 0.30mm, so that the side width of the glue is larger than the width of the voice coil when the glue is injected, so that the glue easily overflows from the gluing surface of the voice coil, the gluing effect of the diaphragm and the voice coil is affected, and the improvement of the acoustic performance of the sound generating device is limited.
Therefore, there is a need to provide a new sound generation device to solve the above technical problems.
[ summary of the invention ]
The invention aims to provide a sound production device with high reliability and an assembly method thereof.
In order to achieve the above object, the present invention provides a sound production device, which comprises a basin frame, a vibration system and a magnetic circuit system, wherein the vibration system and the magnetic circuit system are respectively fixed on the basin frame; the vibration system comprises a vibrating diaphragm fixed on the basin frame, a ball top attached to one side of the vibrating diaphragm close to the magnetic circuit system, and a voice coil inserted into the magnetic gap to drive the vibrating diaphragm to vibrate and produce sound; the dome includes the dome body, by dome body periphery is to being close to the connection wall that the voice coil loudspeaker voice coil direction extends, by being close to of dome body one side of vibrating diaphragm is sunken and extends to connect the interior appearance of wall and run through connect the wall and with hold the through-hole that glues the groove intercommunication, connect the wall connect in the top surface of voice coil loudspeaker voice coil, just the complete butt of top surface of voice coil loudspeaker voice coil covers the through-hole, the width of through-hole is less than the thickness of voice coil loudspeaker voice coil.
Preferably, the width of the glue accommodating groove is larger than that of the through hole.
Preferably, the width of the glue accommodating groove is smaller than the thickness of the voice coil.
Preferably, the width of the connecting wall is equal to the thickness of the voice coil.
Preferably, the glue containing grooves comprise at least two glue containing grooves which are oppositely spaced, the voice coil is of a rectangular structure, and the two glue containing grooves are respectively opposite to the positions of the two long shaft edges of the voice coil.
Preferably, the glue containing grooves comprise at least two glue containing grooves which are oppositely spaced, the voice coil is of a rectangular structure, and the two glue containing grooves are respectively opposite to the positions of the two short shaft edges of the voice coil.
Preferably, it includes four and mutual interval to hold gluey groove, the voice coil loudspeaker voice coil is the rectangle structure, four it is just right respectively to hold gluey groove the position setting of the four sides of voice coil loudspeaker voice coil.
Preferably, the vibration system further comprises an elastic support component which is fixed on the basin frame and is arranged opposite to the vibrating diaphragm; the dome further comprises a first wall formed by extending one side of the dome body close to the voice coil and a second wall formed by bending and extending the tail end of the first wall; the second wall passes through first wall connect in the voice coil loudspeaker voice coil, just the second wall with the elastic support subassembly is connected, first wall with the side of voice coil loudspeaker voice coil is connected, first wall with the second wall is used for with the voice coil loudspeaker voice coil hangs in under the diaphragm.
Preferably, the first wall and the second wall respectively comprise two walls and are arranged on two opposite sides of the voice coil at intervals; each second wall comprises a first section and two second sections, wherein the first section is spaced from the voice coil, the two second sections extend from two opposite ends of the first section to the first wall respectively, the first section is connected with the elastic supporting component, and the two second sections of the second wall on the same side are connected with the first wall respectively.
Preferably, the dome is made of any one material of carbon fiber, stainless steel or aluminum alloy.
The invention also provides an assembly method of the sounding device, which comprises the following steps:
step one, providing the sound production device;
step two, overlapping the ball top on the top surface of the voice coil, enabling the ball top to be abutted against the top surface of the voice coil, and enabling the top surface of the voice coil to be completely abutted against and cover the through hole;
thirdly, injecting glue into the glue accommodating groove by using a glue injector, so that the glue flows to the top surface of the voice coil through the through hole, and the ball top and the voice coil are glued and fixed;
fourthly, attaching one side, far away from the voice coil, of the ball top to the vibrating diaphragm;
and step five, assembling other parts.
Compared with the prior art, in the sound production device and the assembly method, the dome comprises a dome body, a connecting wall extending from the periphery of the dome body to the direction close to the voice coil, a glue accommodating groove recessed from one side of the dome body close to the vibrating diaphragm and extending into the connecting wall, and a through hole penetrating through the connecting wall and communicated with the glue accommodating groove, wherein the connecting wall is connected to the top surface of the voice coil, the top surface of the voice coil is completely abutted against and covers the through hole, and the width of the through hole is smaller than the thickness of the voice coil; by arranging the glue containing groove, glue for gluing the voice coil and the ball top is poured into the glue containing groove, so that the hidden danger of glue overflow is effectively reduced, the gluing reliability is improved, and the reliability of the sound production device is high; in addition, the through-hole will accept in hold glue drainage in gluey groove arrives the voice coil loudspeaker voice coil realizes the vibrating diaphragm with the veneer of voice coil loudspeaker voice coil, because of the width of through-hole is less than the thickness of voice coil loudspeaker voice coil makes the directional flow of glue extremely the voice coil loudspeaker voice coil has avoided because of beating the gluey width and surpasses the excessive phenomenon of gluing that voice coil loudspeaker voice coil thickness produced, makes the voice coil loudspeaker voice coil with the veneer effect of vibrating diaphragm is excellent, thereby improves the reliability of sound production device.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic perspective view of a sound device according to the present invention;
FIG. 2 is an exploded perspective view of a sound device according to the present invention;
FIG. 3 is a schematic diagram of a three-dimensional structure of a ball top of the sound generating device according to the present invention;
FIG. 4 is a schematic structural view of the acoustic device according to another direction of the dome;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 6 is a schematic view of a dome of a sound device according to the present invention;
FIG. 7 is a schematic perspective view of a dome, an elastic support assembly and a voice coil of the sound device of the present invention;
FIG. 8 is a sectional view taken along line A-A of FIG. 1;
fig. 9 is an enlarged view of a portion indicated by C in fig. 8;
FIG. 10 is a flow chart of a method of assembling the sound device of the present invention.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a sound generating device 100, which includes a frame 1, a vibration system 2 and a magnetic circuit system 3.
The basin stand 1 is used for fixedly supporting the vibration system 2 and the magnetic circuit system 3.
Referring to fig. 1-5, the vibration system 2 includes a diaphragm 21 fixed to the frame 1, and a voice coil 22 for driving the diaphragm 21 to vibrate and generate sound.
The vibration system 2 comprises a vibrating diaphragm 21 fixed on the basin frame 1, a dome 4 attached to one side of the vibrating diaphragm 21 close to the magnetic circuit system 2, and a voice coil 22 used for driving the vibrating diaphragm 21 to vibrate and sound.
The magnetic circuit system 3 has a magnetic gap 30, and the voice coil 22 is inserted in the magnetic gap 30.
The dome 4 comprises a dome body 41, a connecting wall 42 extending from the periphery of the dome body 41 to the direction close to the voice coil 22, a glue accommodating groove 430 recessed from one side of the dome body 41 close to the diaphragm 21 and extending into the connecting wall 42, and a through hole 430 penetrating through the connecting wall 42 and communicating with the glue accommodating groove 43; the voice coil 22 comprises a top surface 221 close to the dome 4, a bottom surface 222 opposite to the top surface 221, an inner side wall 223 and an outer side wall 224 which connect the top surface 221 and the bottom surface 222, and the thickness of the voice coil 22 refers to the distance size from the inner side wall 223 to the outer side wall 224; the connecting wall 42 is connected to the top surface 221 of the voice coil 22, and the top surface 221 of the voice coil 22 completely abuts against and covers the through hole 430, and the width of the through hole 430 is smaller than the thickness of the voice coil 22.
In this embodiment, the width of the glue accommodating groove 23 is greater than the width of the through hole 430; further, the width of the glue accommodating groove 23 is smaller than the thickness of the voice coil 22; further, the width of the connecting wall 42 is equal to the thickness of the voice coil 22. Here, it is worth mentioning that the width of the through hole 430 and the width of the glue receiving groove 43 are dimensions corresponding to the thickness of the voice coil 22.
In the above structure, when the dome 4 and the voice coil 22 are glued and fixed, the glue for gluing the voice coil 22 and the dome 4 is firstly poured from the glue containing groove 43 and reliably contained in the glue containing groove 43, so that the glue is prevented from overflowing from other directions during pouring, the hidden danger of glue overflow is effectively reduced, the gluing reliability is improved, and the reliability of the sound generating device 100 is high; in addition, the through hole 43 guides the glue contained in the glue containing groove 43 to the top surface 221 of the voice coil 22, so that the gluing of the dome 4 and the voice coil 22 is realized, and the glue flows to the voice coil 22 in a directional manner due to the fact that the width of the through hole 430 is smaller than the thickness of the voice coil 22, so that the glue overflow phenomenon caused by the fact that the glue width exceeds the thickness of the voice coil 22 is avoided, the gluing effect of the voice coil 22 and the dome 4 is excellent, and the reliability of the sound generating device 100 is improved.
The number and the positions of the glue containing grooves 43 are not fixed, and a rectangular structure of the voice coil 22 is taken as an example for explanation, for example, the glue containing grooves 43 may include at least two glue containing grooves 43 which are oppositely spaced, and the two glue containing grooves 43 are respectively arranged at positions facing two long axis sides or two short axis sides of the voice coil 22, so that the glue containing grooves 43 form a symmetrical structure, and the symmetrical structure makes the gluing of the glue containing grooves 43 and the voice coil 22 more reliable, and better improves the reliability of the sound generating device 100; further, as shown in this embodiment, the glue containing grooves 43 include four glue containing grooves 43 spaced from each other, and the four glue containing grooves 43 are respectively disposed at positions facing four sides of the voice coil 22, so that the glue containing grooves 43 form a surrounding structure, and the reliability of gluing the glue containing grooves 43 and the voice coil 22 is further improved, thereby further improving the reliability of the sound generating device 100.
Referring to fig. 1-5 and fig. 7, in this embodiment, the vibration system 2 further includes an elastic supporting component 23 fixed to the frame 1 and disposed opposite to the vibrating diaphragm 21; the dome 4 further includes a first wall 44 formed by extending the dome body 41 to the voice coil 22, and a second wall 45 formed by bending and extending the end of the first wall 44; the second wall 45 is connected to the voice coil 22 through the first wall 44, the second wall 45 is connected to the elastic support member 23, the first wall 44 is connected to a side surface of the voice coil 22, and the first wall 44 and the second wall 45 are used for suspending the voice coil 22 below the diaphragm 21.
Specifically, the first wall 44 and the second wall 45 respectively include two walls and are disposed at two opposite sides of the voice coil 22 at intervals; each of the second walls 45 includes a first section 451 spaced apart from the voice coil 22 and two second sections 452 extending from opposite ends of the first section 451 toward the first wall 44, respectively, the first section 451 being connected to the elastic support member 23, and the two second sections 452 of the second wall 45 on the same side being connected to the first wall 44, respectively.
Furthermore, the dome body 41, the first wall 44 and the second wall 45 may be of an integral structure or a separate structure; for example, in the present embodiment, the dome body 41 and the first wall 44 and the second wall 45 are formed integrally, so that the dome 4 is more reliably formed; the dome 4 is made of any one material of carbon fiber, stainless steel, and aluminum alloy, and the dome 4 is made of magnesium aluminum alloy in this embodiment, but the material of the dome 4 is not limited thereto, and any material that is low in density, high in hardness, and easy to mold may be used as the material of the dome 4.
As shown in fig. 6 to 7, in this embodiment, the elastic supporting components 23 together enclose a hollow region 230, and an end of the voice coil 22 away from the diaphragm 21 is located in the hollow region 230; preferably, the elastic supporting members 23 include two elastic supporting members 23 respectively located at two opposite sides of the voice coil 22, and the two elastic supporting members 23 surround the hollow area 230.
Specifically, each elastic support assembly 23 includes an elastic member 231 and an auxiliary diaphragm 232 attached to the elastic member 231; the elastic member 231 and the auxiliary diaphragm 232 are fixedly connected to the second wall 45, respectively. The elastic support assembly 23 serves to improve the reliability of the vibration system 2. In this embodiment, by the arrangement of the two elastic support assemblies 23, a symmetric structure of a dual elastic support assembly is formed, so that the support effect on the voice coil 22 is more stable, the lateral swing of the voice coil 22 is better prevented, the vibration reliability of the vibration system 2 is improved, and the reliability of the sound generating device 100 is further improved.
In the above structure, the voice coil 22 is fixed to the diaphragm 21 through the first wall 44, and on one hand, the structure effectively suppresses the lateral oscillation of the voice coil 22 through the first wall 44, thereby improving the reliability and stability of the sound generating device 100; meanwhile, the first wall 44 is fixedly glued to the outer side surface 224 of the voice coil 22, so that the gluing reliability of the dome 4 and the voice coil 22 is improved, the structural design of the voice coil 22 is released, the position of the voice coil 22 can float up and down along the vibration direction of the vibrating diaphragm 21, the height of the voice coil is not limited by an elastic supporting component any more, and the overall height of the sound generating device can be designed to be thinner and lighter.
In the present embodiment, a rectangular structure of the voice coil 22 with rounded corners is taken as an example for explanation, and each first wall 44 is connected to two adjacent rounded corners of the voice coil 22. So that the dome 4 is glued to the voice coil 22 more reliably, and the lateral vibration of the voice coil 22 is suppressed more effectively, thereby further improving the reliability of the vibration system 2.
Referring to fig. 2 and fig. 7-9, the magnetic circuit system 3 includes a magnetic yoke 31, a main magnetic steel 32 fixed to the magnetic yoke 31, and two first sub-magnetic steels 33 respectively disposed at two opposite sides of the main magnetic steel 32 at intervals and forming the magnetic gap 30 with the main magnetic steel 32; each first secondary magnetic steel 33 is located between the second wall 45 and the voice coil 22 on the same side, that is, each first secondary magnetic steel 33 is accommodated in the accommodating space formed by the elastic support assembly 23 and the voice coil 22 on the same side. At this time, the magnetic circuit system 3 has three magnetic steels, and in practical application, the magnetic circuit system 3 may be set as a three-magnetic-steel magnetic circuit according to the requirement of an optimized design, or the magnetic circuit system 3 may be further optimized as a five-magnetic-steel magnetic circuit.
When the magnetic circuit system 3 is a three-magnet steel magnetic circuit, taking a rectangular structure with the voice coil 22 being a round corner as an example for explanation, the two elastic support assemblies 23 are located on two sides of the short axis of the voice coil 22, the two first auxiliary magnets 33 are located on two sides of the short axis of the voice coil 22, and each first auxiliary magnet 33 is located between the first section 431 and the voice coil 22 on the same side, that is, each first auxiliary magnet 33 is accommodated in an accommodating space formed by the elastic support assembly 23 and the voice coil 22 on the same side. At this time, the three-magnetic steel magnetic circuit structure enables the driving performance of the magnetic circuit system 3 to be excellent, so that the acoustic performance of the sound production device 100 is good.
When the magnetic circuit system 3 is a five-magnet steel magnetic circuit, for example, in the present embodiment, in order to further effectively utilize the space and enhance the volume of the magnetic circuit system 3, the magnetic circuit system 3 further includes two second secondary magnet steels 34 respectively disposed at two opposite sides of the main magnet steel 32 at intervals; the two second secondary magnetic steels 34 are located between the two elastic support components 23.
Further, with the rectangular structure that the voice coil is the fillet is exemplified and explained, two the elastic support component 23 is located the both sides of the minor axis of voice coil 22, two first auxiliary magnetic steel 33 is located the both sides of the minor axis of voice coil 22, and each first auxiliary magnetic steel 33 is located rather than the homonymy first section 431 with between the voice coil 22, namely each first auxiliary magnetic steel 33 is acceptd rather than the homonymy elastic support component 23 with in the accommodation space that voice coil 22 formed, two second auxiliary magnetic steel 34 is located the both sides of the major axis of voice coil 22. At this time, the driving performance of the five-magnetic steel magnetic circuit structure is stronger, so that the vibration effect of the sound production device 100 is better.
In order to further improve the performance of the magnetic circuit system 3, the magnetic force lines of the magnetic circuit system 3 are cut by the voice coil 22 as much as possible to form a larger driving force, the magnetic circuit system 3 further includes a main pole core 35 stacked on the main magnetic steel 32, two first auxiliary pole cores 36 stacked on the second auxiliary magnetic steel 34, and an upper clamp plate 37 embedded on the basin frame 1, the upper clamp plate 37 includes a fixing ring 371 fixed on the basin frame 1 and two second auxiliary pole cores 372 extended from the fixing ring 371 to the second auxiliary magnetic steel 34, and the two auxiliary pole cores 372 are stacked on the second auxiliary magnetic steel 372.
Referring to fig. 5 and 10, the present invention further provides an assembling method of the sound generating device 100, the assembling method includes the following steps:
step S1, providing the sound production device 100 according to the present invention;
step S2, stacking the dome 4 on the top surface 221 of the voice coil 22, so that the dome 4 abuts against the top surface 221 of the voice coil 22, and the top surface 221 of the voice coil 22 completely abuts against and covers the through hole 430;
step S3, pouring glue into the glue containing groove 43 by using a glue applicator, so that the glue flows to the top surface 221 of the voice coil 22 through the through hole 430, thereby realizing gluing and fixing of the dome 4 and the voice coil 22;
step S4, attaching the dome 4 to the diaphragm 21 on the side away from the voice coil 22; the step S4 corresponds to the completion of the assembly of the vibration system 2;
and step S5, assembling other components. The method for assembling other components in step 5 is a conventional method, and is not described herein again.
Compared with the prior art, in the sound production device and the assembly method, the dome comprises a dome body, a connecting wall extending from the periphery of the dome body to the direction close to the voice coil, a glue accommodating groove recessed from one side of the dome body close to the vibrating diaphragm and extending into the connecting wall, and a through hole penetrating through the connecting wall and communicated with the glue accommodating groove, wherein the connecting wall is connected to the top surface of the voice coil, the top surface of the voice coil is completely abutted against and covers the through hole, and the width of the through hole is smaller than the thickness of the voice coil; by arranging the glue containing groove, glue for gluing the voice coil and the ball top is poured into the glue containing groove, so that the hidden danger of glue overflow is effectively reduced, the gluing reliability is improved, and the reliability of the sound production device is high; in addition, the through-hole will accept in hold glue drainage in gluey groove arrives the voice coil loudspeaker voice coil realizes the vibrating diaphragm with the veneer of voice coil loudspeaker voice coil, because of the width of through-hole is less than the thickness of voice coil loudspeaker voice coil makes the directional flow of glue extremely the voice coil loudspeaker voice coil has avoided because of beating the gluey width and surpasses the excessive phenomenon of gluing that voice coil loudspeaker voice coil thickness produced, makes the voice coil loudspeaker voice coil with the veneer effect of vibrating diaphragm is excellent, thereby improves the reliability of sound production device.
While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A sounding device comprises a basin frame, a vibration system and a magnetic circuit system, wherein the vibration system and the magnetic circuit system are respectively fixed on the basin frame; the vibration system comprises a vibration diaphragm fixed on the basin frame, a ball top attached to one side of the vibration diaphragm close to the magnetic circuit system, a voice coil inserted in the magnetic gap to drive the vibration diaphragm to vibrate and produce sound, and an elastic support component fixed on the basin frame and arranged opposite to the vibration diaphragm, and is characterized in that the ball top comprises a ball top body, a connecting wall extending from the periphery of the ball top body to the direction close to the voice coil, a glue containing groove recessed from one side of the ball top body close to the vibration diaphragm and extending into the connecting wall, a through hole penetrating through the connecting wall and communicated with the glue containing groove, a first wall extending from one side of the ball top body close to the voice coil, and a second wall formed by bending and extending the tail end of the first wall, the connecting wall is connected to the top surface of the voice coil, and the top surface of the voice coil is completely abutted against and covers the through hole, the width of the through hole is smaller than the thickness of the voice coil; the second wall is connected to the voice coil through the first wall, the second wall is connected with the elastic support assembly, the first wall is connected with the side face of the voice coil, and the first wall and the second wall are used for suspending the voice coil below the diaphragm; the dome body and the first and second walls are of an integrally formed structure.
2. The sound production device of claim 1, wherein the glue receiving slot width is greater than the through hole width.
3. The sounder device according to claim 2, wherein a width of the glue receiving slot is less than a thickness of the voice coil.
4. A sound device according to claim 3, wherein the width of the connecting wall is equal to the thickness of the voice coil.
5. The sounding device according to claim 1, wherein the glue receiving slots comprise at least two glue receiving slots spaced apart from each other, the voice coil is of a rectangular structure, and the two glue receiving slots are respectively disposed opposite to two long-axis sides of the voice coil.
6. The sounding device according to claim 1, wherein the glue receiving slots include at least two glue receiving slots spaced apart from each other, the voice coil is of a rectangular structure, and the two glue receiving slots are respectively disposed opposite to positions of two short axis sides of the voice coil.
7. The sounding device according to claim 1, wherein the glue receiving slots include four glue receiving slots spaced apart from each other, the voice coil is of a rectangular structure, and the four glue receiving slots are respectively disposed opposite to four sides of the voice coil.
8. The sounder device according to claim 1, wherein the first wall and the second wall each comprise two and are spaced apart on opposite sides of the voice coil; each second wall comprises a first section and two second sections, wherein the first section is spaced from the voice coil, the two second sections extend from two opposite ends of the first section to the first wall respectively, the first section is connected with the elastic supporting component, and the two second sections of the second wall on the same side are connected with the first wall respectively.
9. The sound production device as claimed in any one of claims 1 to 8, wherein the dome is made of any one of carbon fiber, stainless steel or aluminum alloy.
10. A method of assembling a sound device, the method comprising the steps of:
the method comprises the following steps of firstly, providing the sounding device according to any one of claims 1-9;
step two, overlapping the ball top on the top surface of the voice coil, enabling the ball top to be abutted against the top surface of the voice coil, and enabling the top surface of the voice coil to be completely abutted against and cover the through hole;
thirdly, injecting glue into the glue accommodating groove by using a glue injector, so that the glue flows to the top surface of the voice coil through the through hole, and the ball top and the voice coil are glued and fixed;
fourthly, attaching one side, far away from the voice coil, of the ball top to the vibrating diaphragm;
and step five, assembling other parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811562312.6A CN109831723B (en) | 2018-12-20 | 2018-12-20 | Sounding device and assembling method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811562312.6A CN109831723B (en) | 2018-12-20 | 2018-12-20 | Sounding device and assembling method thereof |
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| Publication Number | Publication Date |
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| CN109831723A CN109831723A (en) | 2019-05-31 |
| CN109831723B true CN109831723B (en) | 2020-12-22 |
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| CN212588499U (en) * | 2020-06-18 | 2021-02-23 | 瑞声科技(新加坡)有限公司 | Sound production device |
| CN213426470U (en) * | 2020-09-30 | 2021-06-11 | 瑞声光电科技(常州)有限公司 | Sound production monomer |
| CN213906911U (en) * | 2020-12-16 | 2021-08-06 | 瑞声光电科技(常州)有限公司 | Sound production device |
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| CN206575586U (en) * | 2017-03-16 | 2017-10-20 | 江西联创宏声电子股份有限公司 | Novel vibrating system |
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| JP2002078085A (en) * | 2000-08-29 | 2002-03-15 | Star Micronics Co Ltd | Speaker |
| CN201533400U (en) * | 2009-10-19 | 2010-07-21 | 瑞声声学科技(常州)有限公司 | Vibration membrane and a sounder using the vibration membrane |
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