CN205726379U - Loudspeaker monomer - Google Patents
Loudspeaker monomer Download PDFInfo
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- CN205726379U CN205726379U CN201620180187.2U CN201620180187U CN205726379U CN 205726379 U CN205726379 U CN 205726379U CN 201620180187 U CN201620180187 U CN 201620180187U CN 205726379 U CN205726379 U CN 205726379U
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- vibrating diaphragm
- support member
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- loudspeaker monomer
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Abstract
The utility model discloses a kind of loudspeaker monomer, including protecgulum (3), shell (1) and vibrating diaphragm assembly (2), vibrating diaphragm assembly (2) includes vibrating diaphragm (21) and the annular support member (23) being integrated with vibrating diaphragm (21) hot melt gluing；Shell (1) is provided with fair line opening (11) and step surface (12)；The connecting portion (213) of vibrating diaphragm (21) is supported by annular support member (23) in side and is fixedly connected on step surface (12), fixes at opposite side and protecgulum (3) and is connected.The annular support member that this utility model monomer is integrated with vibrating diaphragm hot melt gluing by setting, in order to support fixing vibrating diaphragm, effectively increase vibrating diaphragm bonding strength between fair line opening part and protecgulum, and then be prevented from hydraulic pressure and wash vibrating diaphragm herein open, improve the water resistance of loudspeaker monomer.
Description
Technical field
This utility model relates to electro-acoustic product technical field, more specifically, this utility model relates to a kind of loudspeaker monomer.
Background technology
Loudspeaker monomer, as a kind of microphone device for electronic products such as mobile phone, TV, computers, is widely used in daily production and the life of people.The most common loudspeaker monomer mainly has coil-moving speaker, electromagnetic loudspeaker, condenser loudspeaker, piezo-electric loudspeaker etc., making is relatively easy, with low cost, have the features such as preferable low frequency sounding advantage because having for coil-moving speaker therein, and is extensively applied.
Owing to the effect of loudspeaker monomer is to realize the signal of telecommunication to the conversion of acoustical signal, therefore, the parts receiving the signal of telecommunication of loudspeaker monomer need to arrange lead-in wire to connect signal input terminal, as a example by coil-moving speaker, voice coil loudspeaker voice coil is provided with voice coil leads as its parts receiving the signal of telecommunication, then need on shell to offer the fair line opening for the fair line that goes between, and according to the requirement of production technology, this fair line opening can cause the step surface disconnection for supporting vibrating diaphragm of shell, and then makes vibrating diaphragm in the position of corresponding opening without any support.This kind of structure there is problems of, loudspeaker monomer is during immersion, easily by hydraulic pressure effect without washing vibrating diaphragm at support open, cause waterproof failure, this be existing loudspeaker monomer by extremely to the greatest extent energy improve between vibrating diaphragm and protecgulum adhesive strength and firmness after, however it remains the main cause of waterproof failure problem.
In order to solve this problem, some loudspeaker monomer have employed this fair line opening of cancellation at present, and the structure of lead-in wire fair line is carried out from shell rear surface, but this kind of structure can cause magnetic circuit system etc. to determine, and the critical component of properties of product reduces, and then cause properties of product to decline, accordingly, there exist the biggest application limitation.
Utility model content
One purpose of this utility model embodiment is to provide a kind of for loudspeaker monomer, to improve its water resistance on the premise of not affecting properties of product.
According to first aspect of the present utility model, provide a kind of loudspeaker monomer, it includes protecgulum, shell and vibrating diaphragm assembly, described vibrating diaphragm assembly includes vibrating diaphragm and the annular support member being integrated with described vibrating diaphragm hot melt gluing, on connecting portion that described annular support member is fixedly connected on described vibrating diaphragm, that be positioned at edge placement；Described shell is provided with fair line opening and for supporting the step surface of described vibrating diaphragm；Described connecting portion is supported by described annular support member in side and is fixedly connected on described step surface, and described connecting portion is fixed at opposite side and described protecgulum and is connected.
Preferably, the shape of described annular support member and the mating shapes of described connecting portion.
Preferably, described annular support member supports fixing described vibrating diaphragm in the position of corresponding described fair line opening.
Preferably, the convex surface in the ring portion fixing surface and the described vibrating diaphragm being connected with described annular support member of described connecting portion is positioned at the same side.
Preferably, the thickness of described annular support member is more than or equal to 0.15mm, less than or equal to 0.2mm.
Preferably, described loudspeaker monomer also includes the connection shell fragment arranged on the housing, described connection shell fragment and described fair line opening all configure with the lead-in wire one_to_one corresponding of described loudspeaker monomer, and each described lead-in wire is via corresponding fair line opening and the electric connection of corresponding connection shell fragment.
Preferably, described vibrating diaphragm assembly also has the reinforcement part being fixedly connected on described vibrating diaphragm, and described reinforcement part and described annular support member set up separately in the both sides of described vibrating diaphragm.
Preferably, described annular support member is annular steel disc.
Inventor of the present utility model finds, in the prior art, exists because arranging the problem that fair line opening causes waterproof construction to lose efficacy.Therefore, that technical assignment that this utility model is to be realized or the those skilled in the art of technical problem is that to be solved never expect or it is not expected that, therefore this utility model is a kind of new technical scheme.
One of the present utility model has the beneficial effects that, this utility model loudspeaker monomer uses and makes the connecting portion of vibrating diaphragm fix, with the step surface disconnected by fair line opening of shell, the structure being connected by annular support member, so, position at corresponding fair line opening, just vibrating diaphragm can be supported by annular support member, with be effectively increased vibrating diaphragm herein with the bonding strength of protecgulum, and then be prevented from hydraulic pressure and wash vibrating diaphragm herein open, improve the water resistance of loudspeaker monomer；It addition, this utility model loudspeaker monomer can also improve the flatness of vibrating diaphragm by setting up annular support member, and then be conducive to improving speaker performance.
By detailed description to exemplary embodiment of the present utility model referring to the drawings, further feature of the present utility model and advantage thereof will be made apparent from.
Accompanying drawing explanation
Combined in the description and the accompanying drawing of the part that constitutes description shows embodiment of the present utility model, and be used for explaining principle of the present utility model together with its explanation.
Fig. 1 is a kind of schematic diagram implementing structure of the vibrating diaphragm assembly according to this utility model loudspeaker monomer；
Fig. 2 is the close-up schematic view in Fig. 1 at A2；
Fig. 3 is a kind of cross-sectional schematic implementing structure according to this utility model loudspeaker monomer；
Fig. 4 is the close-up schematic view in Fig. 3 at A1；
Fig. 5 is a kind of decomposing schematic representation implementing structure according to this utility model loudspeaker monomer；
Fig. 6 is the flow chart of a kind of manufacture method of vibrating diaphragm assembly shown in Fig. 1.
Description of reference numerals:
1-shell；11-fair line opening；
12-step surface；2-vibrating diaphragm assembly；
21-vibrating diaphragm；22-reinforcement part；
23-annular support member；211-main part；
212-ring portion；213-connecting portion；
3-protecgulum；4-voice coil loudspeaker voice coil；
5-magnetic circuit system；6-connects shell fragment.
Detailed description of the invention
Various exemplary embodiment of the present utility model is described in detail now with reference to accompanying drawing.It should also be noted that unless specifically stated otherwise, the parts illustrated the most in these embodiments and positioned opposite, the numerical expression of step and numerical value are not intended to scope of the present utility model.
Description only actually at least one exemplary embodiment is illustrative below, never as to this utility model and application thereof or any restriction of use.
May be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but in the appropriate case, described technology, method and apparatus should be considered a part for description.
In shown here and all examples of discussing, any occurrence should be construed as merely exemplary rather than as limiting.Therefore, other example of exemplary embodiment can have different values.
It should also be noted that similar label and letter represent similar terms in following accompanying drawing, therefore, the most a certain Xiang Yi accompanying drawing is defined, then need not it is further discussed in accompanying drawing subsequently.
This utility model in order to solve loudspeaker monomer cause because arranging fair line opening on shell waterproof be prone to lost efficacy problem, it is proposed that a kind of new single body construction for loudspeaker, this loudspeaker monomer as shown in Figures 1 to 5, including protecgulum 3, shell 1 and vibrating diaphragm assembly 2；This vibrating diaphragm assembly 2 includes vibrating diaphragm 21 and annular support member 23, wherein, the typical structure of vibrating diaphragm includes centrally located main part 211, the ring portion 212 around main part 211 and the connecting portion 213 around ring portion 212, the i.e. connecting portion 213 of vibrating diaphragm is on the edge placement of vibrating diaphragm 21, annular support member 23 is specifically fixedly connected on connecting portion 213, and this fixing connection is provided so that the surface of annular support member 23 fits together with the surface of connecting portion 213.This shell 1 is provided with the fair line opening 11 for carrying out lead-in wire fair line and for supporting the step surface 12 of vibrating diaphragm 21, and step surface 12 is disconnected by fair line opening 11, this fair line opening 11 for example, U-shaped opening shown in Fig. 5.This connecting portion 213 supports and is fixedly connected on step surface 12 in side by annular support member 23, this explanation is that annular support member 23 directly supports and be fixedly connected on step surface 12, and this connecting portion 213 is connected opposite side and protecgulum 3 is fixing, the ante-chamber of formation loudspeaker monomer.At this, the means that the fixing connection between fixing connection and connecting portion 213 with protecgulum 3 between this annular support member 23 with step surface 12 can use glue bonding realize, it is also possible to use the means such as ultrasonic bonding or laser welding to realize according to different materials.
Fig. 3 to Fig. 5 shows this utility model loudspeaker monomer embodiment as coil-moving speaker, for this, this loudspeaker monomer also should be provided with voice coil loudspeaker voice coil 4 and magnetic circuit system 5, and voice coil loudspeaker voice coil 4 is connected, with the vibrational system with vibrating diaphragm assembly formation loudspeaker monomer back cavity and vibrating diaphragm 21 is fixing.This magnetic circuit system 5 can use two magnetic route structure, single magnetic structure can also be used, wherein, two magnetic route structure generally includes centring magnet, limit Magnet, center washer, limit washer and magnetic conductive board, and wherein, centring magnet is arranged on the center of magnetic conductive board, limit Magnet is arranged around centring magnet on magnetic conductive board, to form magnetic gap between limit Magnet and centring magnet, on the centrally disposed Magnet of center washer, limit washer is arranged on the washer of limit；And list magnetic structure is by including centring magnet, center washer and frame, centring magnet is arranged in frame, to form magnetic gap between centring magnet and the kink of frame, on the most centrally disposed Magnet of center washer.This voice coil loudspeaker voice coil 4 is placed in the magnetic gap that magnetic circuit system 5 is formed, to drive vibrating diaphragm to vibrate together after receiving the signal of telecommunication under the effect of magnetic circuit system, and then convert electrical signals to acoustical signal, so, above-mentioned fair line opening is the opening carrying out fair line for voice coil leads.
Understand based on above structure, this utility model loudspeaker monomer have employed the fixing structure being connected of step surface 12 disconnected by fair line opening 11 by annular support member 23 with shell 1 of the connecting portion 213 so that vibrating diaphragm 21, so, position at corresponding fair line opening 11, just vibrating diaphragm 21 can be supported by annular support member 23, to be effectively increased vibrating diaphragm 21 at the bonding strength herein and between protecgulum 3, and then can effectively prevent hydraulic pressure from washing vibrating diaphragm 21 open herein, improve the water resistance of loudspeaker monomer.It addition, this utility model loudspeaker monomer can also improve the flatness of vibrating diaphragm 21 by setting up annular support member 23, and then be conducive to improving speaker performance.
Figures 1 and 2 show that the alternative a kind of of above-mentioned vibrating diaphragm assembly implements structure, in order to distinguish vibrating diaphragm 21 and annular support member 23, figure identifies annular support member 23 with grid lines, in this embodiment, the shape of this annular support member 23 and the mating shapes of connecting portion 213, i.e. in contact area between annular support member 23 and step surface 12 and prior art, contact area between connecting portion and the step surface of vibrating diaphragm is suitable, this can make the bonding strength between annular support member 23 and step surface 12 reach maximum in the case of not changing loudspeaker monomer size.
nullThe means that fixing connection between above-mentioned annular support member 23 and connecting portion 213 can use glue bonding realize，It is fixed together especially by PUR，The means such as ultrasonic bonding or laser welding can also be used to realize according to different materials，But in order to make to be formed between annular support member 23 and connecting portion 213 preferably adhesion，To promote the water resistance of this utility model loudspeaker monomer further，In a specific embodiment of the present utility model，This annular support member 23 is configured as the inserts of thermoforming vibrating diaphragm 21 and is fixed together with connecting portion 213，Will be positioned in the mould of thermoforming vibrating diaphragm 21 as inserts by annular support member 23，And make annular support member 23 corresponding with the part for molding connecting portion 213 of mould，So，Connecting portion 213 after annular support member 23 and molding just can be fixedly connected as an entirety under the heating of vibrating diaphragm molding and pressure environment.On this basis, in order to make to be formed between annular support member 23 and connecting portion 213 optimal adhesion, this annular support member 23 is configured as the inserts of thermoforming vibrating diaphragm 21 and is fixed together by PUR with connecting portion 213, i.e. with PUR on the surface of annular support member 23, so, connecting portion 213 after annular support member 23 and molding just can more be firmly fixed by the PUR of fusing and be connected as an entirety under the heating of vibrating diaphragm molding and pressure environment.
The surface that connect fixing with annular support member 23 of connecting portion 213 can the convex surface in corresponding ring portion 212, can also the concave surface in corresponding ring portion 212, in a specific embodiment of the present utility model, as it is shown on figure 3, the convex surface in the surface that be connected fixing with annular support member 23 of connecting portion 213 and ring portion 212 is positioned at the same side.
In order to make annular support member 23 i.e. have suitable rigidity, and then make the support of annular support member 23, fixation reach ideal state, not interfering with again the overall dimensions of loudspeaker monomer, the thickness of this annular support member is preferably greater than or equal to 0.15mm, less than or equal to 0.2mm.
And in order to make annular support member 23 can obtain suitable rigidity with the thinnest thickness, or bigger rigidity can be obtained under identical thickness, this annular support member 23 can use annular steel disc, the alloy that the rigidity such as titanium alloy, nickel tungsten-molybdenum alloy is bigger can also be used, but, consideration based on cost control, using annular steel disc is preferred embodiment as annular support member 23.
In order to realize the parts receiving the signal of telecommunication connection by lead-in wire with drive circuit of loudspeaker monomer, loudspeaker monomer can use and the lead-in wire drawn via fair line opening 11 is welded on the structure on the corresponding pad of flexible printed circuit board, can also use and be connected to lead-in wire connect the structure on shell fragment, for the latter, as shown in Figure 5, this utility model loudspeaker monomer also includes the connection shell fragment 6 being arranged on shell 1, connect shell fragment 6 and fair line opening 11 all with the lead-in wire one_to_one corresponding configuration of loudspeaker monomer, each lead-in wire is electrically connected with corresponding connection shell fragment 6 via corresponding fair line opening 11, at loudspeaker monomer as in the application example of coil-moving speaker, the parts of the above-mentioned reception signal of telecommunication are voice coil loudspeaker voice coil, above-mentioned lead-in wire is voice coil leads.So, when being arranged on the equipment of e.g. mobile phone by loudspeaker monomer, make it in electrical contact with the connection terminal on equipment by compressing connection shell fragment 6 when mounted, the parts receiving the signal of telecommunication of loudspeaker monomer can be connected in the drive circuit of equipment.This kind is conducive to controlling the size of loudspeaker monomer and simplifying connecting wiring by the structure connecting the connection that shell fragment 6 realizes lead-in wire and drive circuit.
For ease of regulating the acoustical behavior of loudspeaker monomer, as shown in Figure 3, this vibrating diaphragm assembly 2 can also have the reinforcement part 22 being fixedly connected on vibrating diaphragm 21, wherein, this reinforcement part 22 is specifically fixedly connected on the main part 211 of vibrating diaphragm 21, and this reinforcement part is preferably set up separately in the both sides of vibrating diaphragm 21 with annular support member 23.
And in order to strengthen the bonding strength between protecgulum 3 and vibrating diaphragm 21, in a specific embodiment of the present utility model, with reference to Fig. 5, above-mentioned shell 1 is additionally provided with hot molten column, protecgulum 3 is provided with the perforate of corresponding hot molten column, this hot molten column passes via corresponding perforate, and by the hot melt of hot molten column, protecgulum 3 riveting is fixed on shell 1, the connecting portion 213 of vibrating diaphragm 21 and annular support member 213 just can be folded between protecgulum 3 and shell 1 by tightly, and then strengthen the bonding strength between protecgulum 3 and vibrating diaphragm 21, improve water resistance.
This utility model additionally provides the manufacture method of a kind of vibrating diaphragm assembly for this utility model loudspeaker monomer, so that having preferably adhesion between vibrating diaphragm 21 and annular support member 23, and then make annular support member 23 that the improvement result of water resistance is performed to optimum state, Fig. 6 shows a kind of embodiment of this manufacture method, and it specifically includes following steps:
Step 1: hot-melt is overlayed on the surface of annular support member, solid-state is shown as at normal temperatures due to PUR, the most in the specific implementation, such as, can heat PUR by glue rifle, so that its fusing carries out the coating operation realizing PUR on annular support member 23 surface.
Step 2: cool down this annular support member 23, until PUR solidification.This step can be carried out at normal temperatures, it is possible to is carrying out less than at a temperature of room temperature, to accelerate the setting rate of PUR.
Step 3: the annular support member 23 with solid state heat melten gel is carried out as inserts the thermoforming of vibrating diaphragm 21, so that the connecting portion 213 of vibrating diaphragm 21 that solid state heat melten gel melts when thermoforming and annular support member 23 and thermoforming obtained is fixed together, obtain vibrating diaphragm assembly 2.This explanation annular support member 23 should be positioned in the mould of thermoforming vibrating diaphragm 21 as inserts, and make annular support member 23 corresponding with the part for molding connecting portion 213 of mould, so, connecting portion 213 after annular support member 23 and molding just can more be firmly fixed by the PUR of fusing and be connected as an entirety under the heating of vibrating diaphragm molding and pressure environment.
The various embodiments described above primary focus describes the difference with other embodiments, but it will be clear for those skilled in the art that the various embodiments described above can be used alone as required or be combined with each other.
Although being described in detail specific embodiments more of the present utility model by example, but it should be appreciated by those skilled in the art, example above is merely to illustrate rather than in order to limit scope of the present utility model.It should be appreciated by those skilled in the art, in the case of without departing from scope and spirit of the present utility model, above example can be modified.Scope of the present utility model is defined by the following claims.
Claims (8)
1. a loudspeaker monomer, it is characterized in that, including protecgulum (3), shell (1) and vibrating diaphragm assembly (2), described vibrating diaphragm assembly (2) includes vibrating diaphragm (21) and the annular support member (23) being integrated with described vibrating diaphragm (21) hot melt gluing, on connecting portion (213) that described annular support member (23) is fixedly connected on described vibrating diaphragm (21), that be positioned at edge placement；Described shell (1) is provided with fair line opening (11) and is used for supporting the step surface (12) of described vibrating diaphragm (21)；Described connecting portion (213) is supported by described annular support member (23) in side and is fixedly connected on described step surface (12), and fixes at opposite side and described protecgulum (3) and be connected.
Loudspeaker monomer the most according to claim 1, it is characterised in that the shape of described annular support member (23) and the mating shapes of described connecting portion (213).
Loudspeaker monomer the most according to claim 1, it is characterised in that described annular support member (23) supports fixing described vibrating diaphragm (21) in the position of corresponding described fair line opening (11).
Loudspeaker monomer the most according to claim 1, it is characterized in that, the surface that be connected fixing with described annular support member (23) of described connecting portion (213) is positioned at the same side with the convex surface in the ring portion (212) of described vibrating diaphragm (21).
Loudspeaker monomer the most according to claim 1, it is characterised in that the thickness of described annular support member (23) is more than or equal to 0.15mm, less than or equal to 0.2mm.
Loudspeaker monomer the most according to claim 1, it is characterized in that, described loudspeaker monomer also includes the connection shell fragment (6) being arranged on described shell (1), described connection shell fragment (6) and described fair line opening (11) all configure with the lead-in wire one_to_one corresponding of described loudspeaker monomer, and each described lead-in wire is via corresponding fair line opening (11) and the electric connection of corresponding connection shell fragment (6).
Loudspeaker monomer the most according to claim 1, it is characterized in that, described vibrating diaphragm assembly (2) also has the reinforcement part (22) being fixedly connected on described vibrating diaphragm (21), and described reinforcement part (22) set up the both sides in described vibrating diaphragm (21) separately with described annular support member (23).
Loudspeaker monomer the most according to any one of claim 1 to 7, it is characterised in that described annular support member is annular steel disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620180187.2U CN205726379U (en) | 2016-03-09 | 2016-03-09 | Loudspeaker monomer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620180187.2U CN205726379U (en) | 2016-03-09 | 2016-03-09 | Loudspeaker monomer |
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| Publication Number | Publication Date |
|---|---|
| CN205726379U true CN205726379U (en) | 2016-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620180187.2U Active CN205726379U (en) | 2016-03-09 | 2016-03-09 | Loudspeaker monomer |
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| CN (1) | CN205726379U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106535070A (en) * | 2016-12-28 | 2017-03-22 | 歌尔股份有限公司 | Micro sounder |
| CN106911988A (en) * | 2017-03-31 | 2017-06-30 | 歌尔股份有限公司 | Vibrating diaphragm, loudspeaker and its assemble method |
| CN106941651A (en) * | 2017-04-24 | 2017-07-11 | 歌尔股份有限公司 | Loudspeaker module |
| CN108696808A (en) * | 2018-08-02 | 2018-10-23 | 歌尔股份有限公司 | Loud speaker and loud speaker assembly method |
| CN109195031A (en) * | 2018-08-09 | 2019-01-11 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN110366082A (en) * | 2019-08-28 | 2019-10-22 | 佛山市硅声科技有限公司 | A kind of Mini-water-proof loudspeaker structure |
| WO2021093338A1 (en) * | 2019-11-12 | 2021-05-20 | 歌尔股份有限公司 | Miniature sound-generating device and electronic product |
| CN112866884A (en) * | 2019-11-12 | 2021-05-28 | 歌尔股份有限公司 | Miniature sound generating device and electronic product |
-
2016
- 2016-03-09 CN CN201620180187.2U patent/CN205726379U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106535070A (en) * | 2016-12-28 | 2017-03-22 | 歌尔股份有限公司 | Micro sounder |
| CN106911988A (en) * | 2017-03-31 | 2017-06-30 | 歌尔股份有限公司 | Vibrating diaphragm, loudspeaker and its assemble method |
| CN106911988B (en) * | 2017-03-31 | 2023-09-29 | 歌尔股份有限公司 | Vibrating diaphragm, loudspeaker and assembling method thereof |
| CN106941651A (en) * | 2017-04-24 | 2017-07-11 | 歌尔股份有限公司 | Loudspeaker module |
| CN106941651B (en) * | 2017-04-24 | 2023-04-07 | 歌尔股份有限公司 | Loudspeaker module |
| CN108696808A (en) * | 2018-08-02 | 2018-10-23 | 歌尔股份有限公司 | Loud speaker and loud speaker assembly method |
| CN109195031A (en) * | 2018-08-09 | 2019-01-11 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN110366082A (en) * | 2019-08-28 | 2019-10-22 | 佛山市硅声科技有限公司 | A kind of Mini-water-proof loudspeaker structure |
| CN110366082B (en) * | 2019-08-28 | 2024-05-28 | 佛山市硅声科技有限公司 | Miniature waterproof speaker structure |
| WO2021093338A1 (en) * | 2019-11-12 | 2021-05-20 | 歌尔股份有限公司 | Miniature sound-generating device and electronic product |
| CN112866884A (en) * | 2019-11-12 | 2021-05-28 | 歌尔股份有限公司 | Miniature sound generating device and electronic product |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |