CN205195972U - Loudspeaker module group - Google Patents
Loudspeaker module group Download PDFInfo
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- CN205195972U CN205195972U CN201520819770.9U CN201520819770U CN205195972U CN 205195972 U CN205195972 U CN 205195972U CN 201520819770 U CN201520819770 U CN 201520819770U CN 205195972 U CN205195972 U CN 205195972U
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- sheet metal
- loud speaker
- speaker module
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Abstract
The utility model discloses a loudspeaker module group, including the module casing, the cooperation of module casing forms the cavity that has accommodation space, has accommodated the speaker monomer in the cavity, corresponds the free position of speaker on the module casing and combines there is the sheetmetal, and the sheetmetal is multilayer composite construction. The utility model discloses a loudspeaker module group can simplify the product on the one hand and make technology, save time and human cost, and on the other hand still can effectively improve the bimodal phenomenon of high frequency department, guarantees properties of product.
Description
Technical field
The utility model relates to electroacoustic field, is specifically related to a kind of loud speaker module.
Background technology
Loud speaker is a kind of can be the device of acoustic energy by electric energy conversion, and be the most basic phonation unit, it is widely used in the terminal installation such as mobile phone, computer, PDA, MP3.Under normal circumstances, loudspeaker monomer collecting is fixed in external shell, jointly forms loud speaker module with external shell, and is positioned within the reserved assembly space of terminal equipment, completes the assembly with terminal installation, is convenient to miniaturized loudspeaker box structure.
In existing loud speaker module, loudspeaker monomer is contained in external shell, and the cavity that external shell surrounds is divided into the front operatic tunes and the rear operatic tunes, and in order to increase the space of vibration area, existing mainstream solution is that the injection casing above vibration area is changed to injection molding steel disc structure to replace, and mostly adopt individual layer injection molding steel disc, be effective method like this for expanding the oscillation space of product.The step of traditional steel disc injection mo(u)lding generally comprises: use Sheet Metal Forming Technology to carry out punch forming; Injection molded; Product local gluing, solidification and by ultrasonic assembly.But, along with the update of electronic product, user also has more and more higher demand to the tonequality of product, traditional injection molding steel disc is general harder, easily causing product to produce bimodal problem when high frequency, for eliminating this bimodal problem, needing to be coated with a rule UV adhesive curing at plastic cement and steel disc junction, but this mode not only can not eliminate bimodal problem completely, but also add product make difficulty and production cost.
Utility model content
Technical problem to be solved in the utility model is: by changing the structure of existing injection molding steel disc, solves the bimodal problem of module product when high frequency, ensures properties of product, simplifies operation, cost-saving simultaneously.
To achieve these goals, the utility model by the following technical solutions: a kind of loud speaker module, comprises module casing; Described module casing coordinates the cavity being formed and have spatial accommodation; Contain loudspeaker monomer in described cavity, wherein, on described module casing, the position of corresponding described loudspeaker monomer is combined with sheet metal; Described sheet metal is multi-layer compound structure.
Improve as one, described sheet metal is three-layer composite structure, comprises the first sheet metal of being positioned at upper epidermis and is positioned at the second sheet metal of layer and is connected the intermediate layer of described first sheet metal and described second sheet metal; Described intermediate layer is glue-line.
Improve as one, described sheet metal is steel disc.
Improve as one, the thickness of described first sheet metal is 0.1 ㎜.
Improve as one, the thickness of described second sheet metal is 0.1 ㎜.
Improve as one, the thickness of described glue-line is 0.02 ㎜.
Improve as one, described first sheet metal is identical or different with the thickness of described second sheet metal.
Improve as one, described module casing comprises the upper casing, mesochite and the lower casing that combine; Described sheet metal is incorporated on described upper casing.
Improve as one, described upper casing and described sheet metal integrated injection molding.
Improve as one, described loudspeaker monomer comprises magnetic circuit system and vibrational system; Described magnetic circuit system comprises frame, be fixed on the magnet in described frame and be attached at the washer of affiliated magnet surface; Described vibrational system comprises vibrating diaphragm and to bond fixing voice coil loudspeaker voice coil with described vibrating diaphragm; The centre position of described vibrating diaphragm is also combined with strengthening course.
Compared to existing technologies, loud speaker module of the present utility model, because the sheet metal be positioned at above loudspeaker assembly changes to multi-layer compound structure by individual layer of the prior art, this sandwich itself has mute function, carry out front processing without the need to special equipment and manpower, can reduce work hours, save human cost; Under this kind improves, shaping metal sheets step comprises: use Sheet Metal Forming Technology to carry out punch forming; Injection molded and product ultrasonic assembly three step, obviously, compared to existing technologies, eliminate the operation being coated with adhesive curing; Moreover the glue-line in multilayer composite metal sheet has the characteristic of damping, the frequency response curve of speaker product can be improved, reduce the impact even eliminated because sheet metal resonance brings, effectively improve the Double-peak Phenomenon of high frequency treatment, optimize the performance of speaker product further.
Accompanying drawing explanation
Fig. 1 is the explosive view of the utility model loud speaker modular structure;
Fig. 2 is the outside drawing that the utility model loud speaker modular structure removes frame and lower shell structure;
Fig. 3 is the generalized section of Fig. 2 along A-A line;
Reference numeral wherein comprises: 1, upper casing, and 11, sheet metal, the 111, first sheet metal, 112, glue-line, the 113, second sheet metal, 2, mesochite, 3, vibrating diaphragm, 4, strengthening course, 5, voice coil loudspeaker voice coil, 6, magnet, 7, washer, 8, frame, 9, lower casing.
Embodiment
Below in conjunction with accompanying drawing, describe the utility model content in detail:
Embodiment:
Consult Fig. 1, Fig. 2 and Fig. 3 jointly shown in, loud speaker modular structure of the present utility model comprises module casing, module casing shown in present embodiment comprises three parts, be respectively upper casing 1, mesochite 2 and lower casing 9, upper casing 1, mesochite 2 and lower casing 9 cooperatively interact, common formation has the cavity of spatial accommodation, namely contains loudspeaker monomer in this cavity.
Loudspeaker monomer comprises magnetic circuit system, vibrational system and auxiliary system, the decomposition texture of loudspeaker monomer has been shown in Fig. 1, the part-structure (frame 8 structure is not shown) of loudspeaker monomer has been shown in Fig. 3, specifically, vibrational system comprises vibrating diaphragm 3 and to bond fixing voice coil loudspeaker voice coil 5 with vibrating diaphragm 3, at this, in order to improve high frequency performance, the centre position of vibrating diaphragm 3 is also combined with strengthening course 4, and usually, strengthening course 4 is the lamination layer structure of rigidity.Loudspeaker monomer also comprises magnetic circuit system, and magnetic circuit system specifically comprises frame 8, be fixed on the magnet 6 in frame 8 and be attached at the washer 7 on surface of magnet 6, and during assembly, frame 8, fixed form between magnet 7 and washer 6 are all fixed by being coated with glue bond.
During enforcement, the lead-in wire of voice coil loudspeaker voice coil 5 is by conducting structure and the conducting of module external circuit, during speaker operation, the current signal of external circuit is passed to voice coil loudspeaker voice coil 5 by conducting structure, make the variation that it is subjected to displacement under electromagnetic field effect, thus driving the vibration of the vibrating diaphragm 3 be connected with voice coil loudspeaker voice coil 5, the sound wave that vibrational system vibration produces goes out acoustic form outwardly radiation by module, finally realizes vocal function.
In the utility model, in order to improve Double-peak Phenomenon during module product high frequency, simultaneously also in order to save operation, save cost, on module casing, the position of corresponding loudspeaker monomer is combined with sheet metal, and, sheet metal changes the structural design of individual layer in prior art, is set to multi-layer compound structure, is described in detail below in conjunction with concrete execution mode:
Consult shown in Fig. 1 and Fig. 3, a kind of loud speaker module shown in present embodiment, its sheet metal 11 is specifically incorporated on the upper casing 1 in module casing, when specifically implementing, sheet metal 11 can with upper casing 1 integrated injection molding.In the application, sheet metal 11 is specially steel disc, be designed to multi-layer compound structure, three-layer composite structure is preferably in present embodiment, its upper and lower top layer is respectively the first sheet metal 111 and the second sheet metal 113, be positioned at middle intermediate layer then for glue-line 112, the first sheet metal 111 and the second sheet metal 113 bond fixing by glue-line 112.Wherein, glue-line 112 is generally the gum with damping characteristic, and during enforcement, it can be specifically the material of silica type, also can be the material of other types, specifically not limit.
Consider requirement and the properties of product of product slimming, in present embodiment, the thickness of the first sheet metal 111 and the second sheet metal 113 is preferably 0.1 ㎜, and the thickness of glue-line 112 is preferably 0.02 ㎜, certainly, during concrete operations, the concrete thickness of every one deck, by the restriction of above-mentioned concrete numerical value, is only used to present embodiment is described and the exemplary introduction made, that is herein, during enforcement, the thickness of every one deck can be floating to some extent in the nearby sphere of above-mentioned concrete numerical value.In addition, the thickness of the first sheet metal 111 and the second sheet metal 113 can be designed as identical, also can be set to difference.In a word, for the sheet metal 11 of three layers of compound, it can design according to concrete performance requirement and other actual needs.
It should be noted that, present embodiment illustrate only sheet metal 11 and is incorporated into structure on upper casing 1, and in fact, the technical program is not limited to which, and sheet metal 11 can be incorporated on other module casing, such as lower casing 9.In addition, it should be noted that, loudspeaker monomer shown in present embodiment is single magnetic structure, in fact, the concrete setting of magnetic circuit and vibrational system does not affect the enforcement of the technical program, no matter is single magnet arrangement, or the structure of single magnet+two blocks of limit magnet, or the structure of single magnet+four blocks of limit magnet etc., all can implement, not by the restriction of present embodiment.
By technique scheme, the material of composition metal chip architecture itself has mute function, carries out front processing, can reduce work hours, save human cost without the need to special equipment and manpower; Under this kind improves, shaping metal sheets step comprises: use Sheet Metal Forming Technology to carry out punch forming; Injection molded and product ultrasonic assembly three step, simplify operation, making technology simplified; Moreover, glue-line in multilayer composite metal sheet has the characteristic of damping, can improve the frequency response curve of speaker product, reduces the impact even eliminated because sheet metal resonance brings, effective Double-peak Phenomenon when improving high frequency, thus optimize the performance of speaker product further.
These are only the utility model case study on implementation, be not limited to the utility model, as long as those of ordinary skill in the art modify or change according to the equivalence that the utility model institute disclosure is done, all should include in the protection range recorded in claims.
Claims (10)
1. a loud speaker module, comprises module casing; Described module casing coordinates the cavity being formed and have spatial accommodation; Contain loudspeaker monomer in described cavity, it is characterized in that: on described module casing, the position of corresponding described loudspeaker monomer is combined with sheet metal; Described sheet metal is multi-layer compound structure.
2. loud speaker module according to claim 1, it is characterized in that: described sheet metal is three-layer composite structure, comprise the first sheet metal of being positioned at upper epidermis and be positioned at the second sheet metal of layer and be connected the intermediate layer of described first sheet metal and described second sheet metal; Described intermediate layer is glue-line.
3. loud speaker module according to claim 2, is characterized in that: described sheet metal is steel disc.
4. loud speaker module according to claim 2, is characterized in that: the thickness of described first sheet metal is 0.1 ㎜.
5. loud speaker module according to claim 2, is characterized in that: the thickness of described second sheet metal is 0.1 ㎜.
6. loud speaker module according to claim 2, is characterized in that: the thickness of described glue-line is 0.02 ㎜.
7. loud speaker module according to claim 2, is characterized in that: described first sheet metal is identical or different with the thickness of described second sheet metal.
8. loud speaker module according to claim 1, is characterized in that: described module casing comprises the upper casing, mesochite and the lower casing that combine; Described sheet metal is incorporated on described upper casing.
9. loud speaker module according to claim 8, is characterized in that: described upper casing and described sheet metal integrated injection molding.
10. loud speaker module according to claim 1, is characterized in that: described loudspeaker monomer comprises magnetic circuit system and vibrational system; Described magnetic circuit system comprises frame, be fixed on the magnet in described frame and be attached at the washer of affiliated magnet surface; Described vibrational system comprises vibrating diaphragm and to bond fixing voice coil loudspeaker voice coil with described vibrating diaphragm; The centre position of described vibrating diaphragm is also combined with strengthening course.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520819770.9U CN205195972U (en) | 2015-10-21 | 2015-10-21 | Loudspeaker module group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520819770.9U CN205195972U (en) | 2015-10-21 | 2015-10-21 | Loudspeaker module group |
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| Publication Number | Publication Date |
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| CN205195972U true CN205195972U (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520819770.9U Active CN205195972U (en) | 2015-10-21 | 2015-10-21 | Loudspeaker module group |
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| CN (1) | CN205195972U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106060734A (en) * | 2016-07-27 | 2016-10-26 | 歌尔股份有限公司 | FPCB structure, loudspeaker module and manufacturing method of FPCB |
| CN107690106A (en) * | 2017-07-04 | 2018-02-13 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN111031415A (en) * | 2019-11-22 | 2020-04-17 | 歌尔股份有限公司 | Loudspeaker module and electronic device |
| CN112533101A (en) * | 2021-02-08 | 2021-03-19 | 江西联创宏声电子股份有限公司 | Earphone set |
-
2015
- 2015-10-21 CN CN201520819770.9U patent/CN205195972U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106060734A (en) * | 2016-07-27 | 2016-10-26 | 歌尔股份有限公司 | FPCB structure, loudspeaker module and manufacturing method of FPCB |
| WO2018018837A1 (en) * | 2016-07-27 | 2018-02-01 | 歌尔股份有限公司 | Fpcb structure, speaker module, and manufacturing method for fpcb structure |
| CN107690106A (en) * | 2017-07-04 | 2018-02-13 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN107690106B (en) * | 2017-07-04 | 2020-02-04 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
| CN111031415A (en) * | 2019-11-22 | 2020-04-17 | 歌尔股份有限公司 | Loudspeaker module and electronic device |
| WO2021098529A1 (en) * | 2019-11-22 | 2021-05-27 | 歌尔股份有限公司 | Loudspeaker module and electronic device |
| CN112533101A (en) * | 2021-02-08 | 2021-03-19 | 江西联创宏声电子股份有限公司 | Earphone set |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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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. |