CN203840538U - Loudspeaker module group - Google Patents
Loudspeaker module group Download PDFInfo
- Publication number
- CN203840538U CN203840538U CN201420265035.3U CN201420265035U CN203840538U CN 203840538 U CN203840538 U CN 203840538U CN 201420265035 U CN201420265035 U CN 201420265035U CN 203840538 U CN203840538 U CN 203840538U
- Authority
- CN
- China
- Prior art keywords
- electrical connection
- connection section
- downside
- monomer
- loud speaker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000003466 welding Methods 0.000 claims abstract description 11
- 239000000178 monomer Substances 0.000 claims description 56
- 239000002184 metal Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 238000001746 injection moulding Methods 0.000 claims description 5
- 230000035945 sensitivity Effects 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 13
- 239000010959 steel Substances 0.000 description 13
- 239000012634 fragment Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 101001045744 Sus scrofa Hepatocyte nuclear factor 1-beta Proteins 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The utility model belongs to the technical field of electroacoustic products, and particularly relates to a loudspeaker module group comprising a loudspeaker single body, a module group shell, a welding disc and an electric connection sheet. The lower side surface of the loudspeaker single body is provided with a flat-plate-shaped electric connection part. The module group shell is provided with an accommodating cavity which is used for accommodating and fixing the loudspeaker single body. The welding disc is used for electrically connecting the loudspeaker module group and an external circuit. The electric connection sheet is used for electrically connecting the welding disc and the electric connection part. The electric connection sheet and the welding disc are integrally arranged, and one end, which is electrically connected with the electric connection part, stretches into the accommodating cavity and is arranged in a suspended way and lapped with the lower side of the electric connection part. One end, which stretches into the accommodating cavity, of the electric connection sheet is connected with the lower side of the electric connection part in a welding way. When the loudspeaker module group is used, great conduction of the ultrathin installing type loudspeaker module group can be guaranteed, and reliability of conduction is enhanced. Meanwhile, a problem of influence on acoustic sensitivity caused by over-thickness of the module group shell and a problem of deformation and even fracture of the module group shell are avoided, and yield rate is enhanced.
Description
Technical field
The utility model belongs to electro-acoustic product technical field, relates in particular to a kind of loud speaker module.
Background technology
Loud speaker is a kind of energy converter, can convert electrical energy into acoustic energy and radiate, and be parts indispensable in electro-acoustic product.
Along with modern electro-acoustic product does thinner and thinner development trend, loud speaker module is also in attenuation thereupon, simultaneously for the attractive in appearance and shortening production cycle, the loud speaker module of modern electro-acoustic product mostly is built-in structure, this structure has proposed higher requirement to the thickness of loud speaker module again, for traditional loading type loud speaker module, the shell fragment that carries of its loudspeaker monomer protrudes from monomer shell and has certain elasticity, loudspeaker monomer is realized and being electrically connected with the injection moulding shell fragment overlap joint of module casing by carrying shell fragment, or pass through wire, FPCB welding realizes electrical connection, and then with the circuit turn-on of electro-acoustic product.The former is subject to loudspeaker monomer to carry shell fragment protection structure and shell fragment self-characteristic affects, thickness to injection moulding shell fragment place plastic cement module casing has strict requirement, if too thin meeting causes module casing, distortion is even broken, the too thick acoustic sensitiveness that can affect again, for itself, with regard to thinner loud speaker module, this problem has been limited to the structural design of loading type loud speaker module; The main weak point that the latter exists is to realize by FPCB cost and the technology difficulty that the corresponding raising module of electrical connection meeting is made, and realizes the poor reliability of electrical connection by wire, and the problem of broken string easily occurs, and has a strong impact on rate of finished products.For the conduction mode of this ultra-thin loading type loud speaker module, there is no so far good solution, this has seriously limited to ultra-thin loading type loud speaker modular structure design.
Utility model content
The purpose of this utility model is to provide a kind of loud speaker module, can ensure the good conducting of ultra-thin loading type loud speaker module, improve the reliability of conducting, avoid occurring that module casing distortion even breaks and because of the too thick problem that affects acoustic sensitiveness of module casing, improved rate of finished products simultaneously.
The utility model is to realize like this, a kind of loud speaker module, described loud speaker module comprises loudspeaker monomer, described loudspeaker monomer comprises monomer shell, described monomer shell is provided with sound hole, in the cavity that described monomer shell surrounds, contains vibrational system and magnetic circuit system, and described vibrational system comprises that outward flange is fixed on the vibrating diaphragm of described monomer outer casing end, definition is upside near a side at described vibrating diaphragm place, and opposite side is corresponding thereto downside; Module casing, described module casing is provided with the containing cavity of accommodating fixing described loudspeaker monomer; For the pad that described loudspeaker monomer is electrically connected with external circuit, described pad is arranged on described module casing;
The downside of described monomer shell is provided with flat electrical connection section;
On described pad, be wholely set electric connecting sheet, unsettled setting in described containing cavity is stretched in one end that described electric connecting sheet is electrically connected with described electrical connection section, with the downside overlap joint of described electrical connection section, described electric connecting sheet stretches into one end in described containing cavity and the downside of described electrical connection section is welded to connect.
Improve as one, described containing cavity connects described module casing, on the downside port of described containing cavity, is fixed with sheet metal.
Improve as one, on the downside of described module casing, the edge of corresponding described sheet metal is provided with the step of placing described sheet metal edge.
Improve as one, described sheet metal is combined with described module casing integrated injection molding.
Improve as one, the downside of described monomer shell is provided with groove, and described flat electrical connection section is embedded in described groove.
Improve as one, described electric connecting sheet is connected with lap-joint's laser welding of described electrical connection section.
Owing to having adopted technique scheme, use the utility model provide loud speaker module time, because being provided with, the downside of monomer shell is flat electrical connection section, unsettled setting in containing cavity is all stretched in one end that electric connecting sheet is electrically connected with electrical connection section, downside overlap joint with electrical connection section, and be welded to connect in lap-joint, can realize good conducting, loudspeaker monomer just no longer needs to arrange to protrude from monomer shell and have certain shell fragment like this, can reduce the thickness of loudspeaker monomer, the thickness requirement of module casing is reduced, can reduce the thickness of module casing, simultaneously also can avoid using wire or FPCB and pad welding, and then with the circuit turn-on of electro-acoustic product, the generation of the problem of having avoided breaking, has reduced cost of manufacture and technology difficulty.
Brief description of the drawings
Fig. 1 is the blast structural representation of loud speaker module of the present utility model;
Fig. 2 is the structural representation of looking up of loud speaker module of the present utility model;
Fig. 3 is the sectional structure schematic diagram along A-A line in Fig. 2;
Fig. 4 is the loudspeaker monomer loading procedure schematic diagram of loud speaker module of the present utility model;
Wherein, 10, loudspeaker monomer, 101, electrical connection section, 102, electrical connection section, 103, monomer shell, 11, module casing, 111, containing cavity, 12, pad, 13, pad, 14, electric connecting sheet, 15, electric connecting sheet, 16, module upper cover, 17, steel disc, 18, steel disc.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
By Fig. 1, Fig. 2 and Fig. 3 are known, this loud speaker module comprises: loudspeaker monomer 10, this loudspeaker monomer 10 comprises monomer shell 103, this monomer shell 103 is provided with sound hole, in the present embodiment, sound hole is arranged on the sidepiece of monomer shell 103, in the cavity that this monomer shell 103 surrounds, contain vibrational system and magnetic circuit system, this vibrational system comprises that outward flange is fixed on the vibrating diaphragm of monomer shell 103 ends, definition is upside near a side at vibrating diaphragm place, be downside away from a side at vibrating diaphragm place, loudspeaker monomer 10 is provided with and is flat electrical connection section 101, electrical connection section 102, this electrical connection section 101, electrical connection section 102 is disposed on the downside of monomer shell 103, module casing 11, this module casing 11 is provided with the containing cavity 111 of accommodating fixing loudspeaker monomer 10, be arranged on pad 12, pad 13 on module casing 11, for loud speaker module is electrically connected with external circuit, specifically loudspeaker monomer 10 be electrically connected with external circuit, be electrically connected respectively pad 12 and electrical connection section 101, the electric connecting sheet 14 of pad 13 and electrical connection section 102, electric connecting sheet 15, this electric connecting sheet 14 and pad 12 integral type settings, electric connecting sheet 15 and pad 13 integral type settings, the interior unsettled setting of containing cavity 111 and the corresponding setting of downside with electrical connection section 101 are stretched in one end that this electric connecting sheet 14 is electrically connected with electrical connection section 101, the interior unsettled setting of containing cavity 111 and the corresponding setting of downside with electrical connection section 102 are also stretched in one end that this electric connecting sheet 15 is electrically connected with electrical connection section 102, this electric connecting sheet 14 and electrical connection section 101, this electric connecting sheet 15 is welded to connect by laser spot welding with electrical connection section 102, can certainly be fixedly connected with by another way, be covered with module upper cover 16 at the upside of loudspeaker monomer 10, on module upper cover 16, be embedded with steel disc 17, can strengthen like this intensity of module upper cover 16.
When use, because being provided with, the downside of monomer shell 103 is flat electrical connection section 101, electrical connection section 102, electric connecting sheet 14 and electrical connection section 101, the interior unsettled setting of containing cavity 111 is all stretched in one end that electric connecting sheet 15 is electrically connected with electrical connection section 102, and with electrical connection section 101, the downside overlap joint of electrical connection section 102 is also welded to connect in lap-joint, can realize good conducting, loudspeaker monomer 10 just no longer needs to arrange to protrude from monomer shell and have certain shell fragment like this, can reduce the thickness of loudspeaker monomer 10, the thickness requirement of module casing 11 is reduced, can reduce the thickness of module casing 11, simultaneously also can avoid using wire or FPCB and pad 12, pad 13 to weld, and then with the circuit turn-on of electro-acoustic product, avoided the generation of broken string problem, reduced cost and the technology difficulty of making.
Fig. 4 shows the process that loudspeaker monomer packs module casing into, and in Fig. 4, the direction of C place arrow indication is the direction that loudspeaker monomer 10 is packed into module casing 11.
In the present embodiment, on the downside of monomer shell 103, corresponding electrical connection section 101, electrical connection section 102 places are respectively equipped with a groove, are flat electrical connection section 101, electrical connection section 102 is embedded in respectively in a groove.Can reduce like this thickness of loudspeaker monomer 10, and shared space.
In the present embodiment, containing cavity 111 is for connecting the through hole of module casing 11, on the downside port of through hole, be fixed with steel disc 18, it can certainly be the sheet metal of copper sheet or other material, specifically, be the steel disc 18 that module casing 11 partly plastic housing under loudspeaker monomer 10 is replaced by thickness and is thinner than plastic casing thickness.Because rigidity and the intensity of steel disc 18 are greater than plastic casing, be replaced by the thickness that has been equivalent to reduce partly plastic housing under former loudspeaker monomer 10 after sheet metal, can increase the volume of loudspeaker monomer 10 and module casing 11, the steel disc 18 rear operatic tunes that surrounds, improve the acoustic sensitiveness of loud speaker module, and this structure can reduce technology difficulty, save cost of manufacture.
In the present embodiment, on the downside of module casing 11, corresponding steel disc 18 places are provided with the step of placing steel disc 18 edges, steel disc 18 is embedded in module casing 11, in order to ensure steel disc 18 and module casing 11 bond strengths, this steel disc 18 forms with module casing 11 integrated injection moldings, has increased like this distance between downside and the steel disc 18 of loudspeaker monomer 10, has been equivalent to increase the space of the rear operatic tunes, acoustical behavior can be improved, the integral thickness of loud speaker module can be reduced simultaneously.
Electric connecting sheet 14, the electric connecting sheet 15 that the utility model proposes stretches out module casing 11 and stretches in the containing cavity 111 of module casing 11 and overlap with electrical connection section 101, the electrical connection section 102 of loudspeaker monomer 10, connect or the structure of conducting resinl conducting by laser spot welding, be applicable to all ultra-thin and common loading types and affect because of highly not enough the loud speaker module that electric connecting sheet 14, electric connecting sheet 15 and chamber, front and back are designed, and relevant electro-acoustic product, be adapted at extensively promoting in electron trade.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (6)
1. loud speaker module, comprise loudspeaker monomer, described loudspeaker monomer comprises monomer shell, described monomer shell is provided with sound hole, in the cavity that described monomer shell surrounds, contain vibrational system and magnetic circuit system, described vibrational system comprises that outward flange is fixed on the vibrating diaphragm of described monomer outer casing end, and definition is upside near a side at described vibrating diaphragm place, and opposite side is corresponding thereto downside; Module casing, described module casing is provided with the containing cavity of accommodating fixing described loudspeaker monomer; For the pad that described loudspeaker monomer is electrically connected with external circuit, described pad is arranged on described module casing; It is characterized in that:
The downside of described monomer shell is provided with flat electrical connection section;
On described pad, be wholely set electric connecting sheet, unsettled setting in described containing cavity is stretched in one end that described electric connecting sheet is electrically connected with described electrical connection section, with the downside overlap joint of described electrical connection section, described electric connecting sheet stretches into one end in described containing cavity and the downside of described electrical connection section is welded to connect.
2. loud speaker module according to claim 1, is characterized in that, described containing cavity connects described module casing, on the downside port of described containing cavity, is fixed with sheet metal.
3. loud speaker module according to claim 2, is characterized in that, on the downside of described module casing, the edge of corresponding described sheet metal is provided with the step of placing described sheet metal edge.
4. according to the loud speaker module described in claim 2 or 3, it is characterized in that, described sheet metal is combined with described module casing integrated injection molding.
5. loud speaker module according to claim 4, is characterized in that, the downside of described monomer shell is provided with groove, and described flat electrical connection section is embedded in described groove.
6. loud speaker module according to claim 5, is characterized in that, described electric connecting sheet is connected with lap-joint's laser welding of described electrical connection section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420265035.3U CN203840538U (en) | 2014-05-22 | 2014-05-22 | Loudspeaker module group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420265035.3U CN203840538U (en) | 2014-05-22 | 2014-05-22 | Loudspeaker module group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203840538U true CN203840538U (en) | 2014-09-17 |
Family
ID=51518330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420265035.3U Expired - Lifetime CN203840538U (en) | 2014-05-22 | 2014-05-22 | Loudspeaker module group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203840538U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106255017A (en) * | 2016-09-27 | 2016-12-21 | 歌尔股份有限公司 | Speaker module |
| CN108307277A (en) * | 2018-01-05 | 2018-07-20 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| WO2022041461A1 (en) * | 2020-08-27 | 2022-03-03 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
-
2014
- 2014-05-22 CN CN201420265035.3U patent/CN203840538U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106255017A (en) * | 2016-09-27 | 2016-12-21 | 歌尔股份有限公司 | Speaker module |
| CN106255017B (en) * | 2016-09-27 | 2022-07-19 | 歌尔股份有限公司 | Loudspeaker module |
| CN108307277A (en) * | 2018-01-05 | 2018-07-20 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN108307277B (en) * | 2018-01-05 | 2020-07-14 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
| WO2022041461A1 (en) * | 2020-08-27 | 2022-03-03 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101807276B1 (en) | Sound producing device | |
| CN204291372U (en) | Microspeaker | |
| WO2017000504A1 (en) | Miniature loudspeaker | |
| CN204442665U (en) | Stack Microspeaker | |
| CN104144373B (en) | A kind of speaker unit and its manufacture of casing | |
| CN204929238U (en) | Miniature sounder | |
| CN104954954A (en) | Loudspeaker device | |
| CN101022680A (en) | Electroacoustic transducing device | |
| CN102970642B (en) | Microspeaker | |
| CN103269462A (en) | Loudspeaker module | |
| WO2019128389A1 (en) | Loudspeaker module and electronic device | |
| CN203840538U (en) | Loudspeaker module group | |
| CN205883572U (en) | Telephone receiver | |
| WO2016179997A1 (en) | Loudspeaker module | |
| US10104476B2 (en) | Miniature loudspeaker | |
| CN204442664U (en) | Microspeaker | |
| CN204616087U (en) | Microspeaker | |
| CN204539453U (en) | Sound-producing device | |
| CN203446021U (en) | Loudspeaker module | |
| CN205249477U (en) | Loudspeaker | |
| CN108882127B (en) | Loudspeaker module | |
| CN205040019U (en) | Telephone receiver | |
| CN203851286U (en) | Loudspeaker | |
| CN204014043U (en) | Microphone device | |
| CN204291378U (en) | A kind of loud speaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: GOERTEK Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |