CN203086730U - Ultra-thin loudspeaker module group - Google Patents
Ultra-thin loudspeaker module group Download PDFInfo
- Publication number
- CN203086730U CN203086730U CN 201320037371 CN201320037371U CN203086730U CN 203086730 U CN203086730 U CN 203086730U CN 201320037371 CN201320037371 CN 201320037371 CN 201320037371 U CN201320037371 U CN 201320037371U CN 203086730 U CN203086730 U CN 203086730U
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- operatic tunes
- mesochite
- loudspeaker
- loudspeaker module
- module according
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Abstract
The utility model discloses an ultra-thin loudspeaker module group comprising a peripheral framework and a loudspeaker unit received in the peripheral framework, wherein the peripheral framework comprises an upper housing, a central housing and a lower housing combined with each other. A front vocal cavity is formed between the upper housing and a central housing, and a rear vocal cavity is formed between the central housing and the lower housing. A radiating sound outlet is arranged on the peripheral framework. A partition wall for dividing the front vocal cavity into at least two independent parts, a first front vocal cavity and a second front vocal cavity, is arranged on the upper housing and/or central housing, wherein the first front vocal cavity communicates with the radiating sound outlet, and the second front vocal cavity communicates with the rear vocal cavity. In such a structure, the second front vocal cavity communicating with the rear vocal cavity enlarges the volume of the rear vocal cavity, thereby improving the acoustic performance of the loudspeaker module group which is limited in size.
Description
Technical field
The utility model relates to the electroacoustic field, is specifically related to a kind of ultra-thin loud speaker module.
Background technology
Along with the slimming of portable electron device, as the also slimming day by day of loud speaker module of important acoustical device.The operatic tunes and the back operatic tunes before the loud speaker module comprises, the usually preceding operatic tunes refers to be positioned in the loud speaker module position of loudspeaker monomer vibrating diaphragm upside, the back operatic tunes refers to be positioned at the position of loudspeaker monomer vibrating diaphragm downside; For the ease of installing, the housing of loud speaker module comprises upper casing, mesochite and lower casing at present, and vibrating diaphragm is installed on the mesochite upper surface usually, forms the preceding operatic tunes of loud speaker module between upper casing and the mesochite, forms the back operatic tunes between mesochite and the lower casing.
Usually the volume that the operatic tunes requires before is less, and has bigger volume for the low frequency characteristic that improves product requires the back operatic tunes.And current slimming and microminiaturization in order to realize product can't be reserved enough spaces for the back operatic tunes of loud speaker module usually, are difficult to guarantee the acoustical behavior of loud speaker module when realizing the slimming of loud speaker module.Therefore, be necessary the loud speaker module of said structure is improved, with the slimming of avoiding product influence to loud speaker module acoustical behavior.
The utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of ultrathin loudspeaker module, can effectively utilize the inner space of loud speaker module, increases back operatic tunes volume, improves the acoustical behavior of product.
To achieve these goals, the utility model provides a kind of ultrathin loudspeaker module, comprises peripheral frame, and the loudspeaker monomer that is contained in described peripheral frame inside; Described peripheral frame comprises upper casing, mesochite and the lower casing that mutually combines, and the operatic tunes before forming between described upper casing and the described mesochite forms the back operatic tunes between described mesochite and the described lower casing; Described peripheral frame is provided with the outlet sound mouth of radiation sound, wherein, described upper casing and/or mesochite are provided with the spaced walls of separating the described preceding operatic tunes, described spaced walls is divided into separate two parts at least with the operatic tunes before described: the operatic tunes before the operatic tunes and second before first, the operatic tunes is connected with described outlet sound mouth before first, the operatic tunes and the first preceding operatic tunes are provided with at interval before second, and the operatic tunes is connected with the described back operatic tunes before described second.
In addition, preferred scheme is, described mesochite is provided with diapire, is provided with corresponding to the position of the operatic tunes before described second on the described diapire and expects the hole of dodging that forms, described dodge the hole be communicated with described second before the operatic tunes and the described back operatic tunes.
In addition, preferred scheme is that the part-structure at least that forms the spaced walls of the operatic tunes before described first is around described loudspeaker monomer setting.
In addition, preferably scheme is, described outlet sound mouth is positioned at the side of described loud speaker module, and the spaced walls of the described first preceding operatic tunes also comprises the part of extending to described outlet sound mouth along loudspeaker monomer.
In addition, preferred scheme is, described loud speaker module also comprise with described first before the operatic tunes is provided with at interval before the operatic tunes and described second before the 3rd operatic tunes, the diapire of described mesochite is provided with the hole of dodging that is communicated with the operatic tunes and the described back operatic tunes before the described the 3rd.
In addition, preferably scheme is, described loudspeaker monomer is arranged between described mesochite and the described lower casing, and the described back operatic tunes is positioned at the side of described loudspeaker monomer.
In addition, preferably scheme is, described loudspeaker monomer involving vibrations system and magnetic circuit system, and described vibrational system comprises vibrating diaphragm and is incorporated into the voice coil loudspeaker voice coil of described vibrating diaphragm downside that described magnetic circuit system comprises the magnet and the magnetic conductive board of from top to bottom combination.
In addition, preferred scheme is, described vibrating diaphragm secure bond is on described mesochite, and the position over against described vibrating diaphragm on the described upper casing is provided with metal insert, and described metal insert combines with described upper casing injection moulding or passes through the combination of hot melt post hot melt.
In addition, preferred scheme is, described lower casing is provided with expects the resettlement section that forms, and fixing described magnetic conductive board is accommodated in described resettlement section.
After adopting technique scheme, compare with traditional structure, the utility model is divided into some independently preceding operatic tunes with the part between mesochite and the upper casing, the first preceding operatic tunes wherein is communicated with outlet sound mouth, the operatic tunes goes to expect that by mesochite the Kong Yuhou operatic tunes of dodging that forms is communicated with before second, thereby has increased the volume of the back operatic tunes.Limited in loud speaker module size, can't be under the situation of the volume that the enough back operatic tunes is provided between mesochite and the lower casing, volume by the operatic tunes before the connected component increases the size of the operatic tunes behind the loud speaker module, thereby has improved the low frequency sound effect of loud speaker module, has improved the acoustical behavior of product.
Description of drawings
By below in conjunction with accompanying drawing the utility model being described, above-mentioned feature of the present utility model and technological merit will become apparent and understand easily.
Fig. 1 is the explosive view of the utility model ultrathin loudspeaker module.
Fig. 2 is the stereogram of the utility model ultrathin loudspeaker module.
Fig. 3 is the A-A cutaway view of loud speaker module shown in Figure 2.
Fig. 4 is the B-B cutaway view of loud speaker module shown in Figure 2.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done further detailed description.
As shown in Figures 1 to 4, the loud speaker module comprises loudspeaker monomer 4, and the peripheral frame of accommodating loudspeaker monomer 4; Peripheral frame comprises upper casing 1, mesochite 2 and lower casing 3, and wherein, loudspeaker monomer 4 is accommodated and is fixed between mesochite 2 and the lower casing 3, forms the preceding operatic tunes of loud speaker module between upper casing 1 and the mesochite 2, forms the back operatic tunes of loud speaker module between mesochite 2 and the lower casing 3.The side of loud speaker module is provided with the outlet sound mouth 20 that is used for radiation sound, and as shown in Figure 4, outlet sound mouth 20 is arranged at the side can prevent that the loud speaker module is applied in the electronic installation time, because the obstruction that keeps flat the outlet sound mouth 20 that causes of electronic installation.
Mesochite 2 comprises diapire 21, also comprises some spaced walls 23, and spaced walls 23 is divided at least two independent parts with the preceding operatic tunes, comprising the first preceding operatic tunes A of upside space that is communicated with loudspeaker monomer 4 and outlet sound mouth 20, as Fig. 1, Fig. 3 and shown in Figure 4.Operatic tunes B before also being provided with second, operatic tunes A is spaced apart independently operatic tunes structure by spaced walls 23 before the second preceding operatic tunes B and first; On the diapire 21 of mesochite 2 corresponding to the position of operatic tunes B before second be provided with expect to form dodge hole 24, dodge hole 24 corresponding simultaneously back operatic tunes setting, be used to be communicated with second before operatic tunes B and back operatic tunes D, as shown in Figure 3.
This set is communicated with the design of dodging hole 24 of the second preceding operatic tunes B and back operatic tunes D, can increase the volume of the back operatic tunes of loud speaker module, limited in loud speaker module size, can't be under the situation of the volume that the enough back operatic tunes is provided between mesochite and the lower casing, the low frequency that this structure that increases back operatic tunes volume has improved the loud speaker module comes into force, and has improved the acoustical behavior of product.And, therefore, can not disturb the sounding effect of loud speaker module because the second preceding operatic tunes B is separate structure with the first preceding operatic tunes A that is communicated with outlet sound mouth 20.In addition, shape and the size of dodging hole 24 are not limited to schematic structure, are as the criterion with the fluency that can improve the second preceding operatic tunes B and back operatic tunes E airflow.
Preferably, form spaced walls 23 4 settings of operatic tunes A before first to small part around loudspeaker monomer, as shown in figures 1 and 3, the volume that can reduce operatic tunes A before first is set like this, under the situation of the given volume between upper casing 1 and the mesochite 2, help increasing the volume of operatic tunes B before second, and then help increasing the volume of the back operatic tunes.In addition, in the present embodiment, because the loud speaker module is the structure of speaking in the side, therefore, the spaced walls 23 that forms operatic tunes A before first also comprises the part of extending to outlet sound mouth 20 along loudspeaker monomer 4, as shown in Figure 1, the sound that sends with assurance loudspeaker monomer 4 can be radiated the outside of loud speaker module through outlet sound mouth 20.
In addition, operatic tunes C before also being provided with the 3rd, the operatic tunes C and the first preceding operatic tunes A and the second preceding operatic tunes B are the structure of space before the 3rd, on the diapire 21 of mesochite 2 corresponding to the position of operatic tunes C before the 3rd also be provided with expect to form dodge hole 25, dodge hole 25 and be communicated with the 3rd preceding operatic tunes C and back operatic tunes D, can be used to increase the volume of the back operatic tunes equally.Shape and the size of operatic tunes C is not limited to schematic structure before the 3rd, and the loud speaker module also is not limited to the structure of the operatic tunes before three independences of this set, and concrete condition should be decided on the structure of loud speaker module internal.
Loudspeaker monomer 4 involving vibrations system and magnetic circuit systems, as shown in Figure 3, vibrational system comprises vibrating diaphragm 41 and is incorporated into the voice coil loudspeaker voice coil 42 of vibrating diaphragm 41 downsides; Magnetic circuit system comprises from top to bottom washer 43, magnet 44 and the magnetic conductive board 45 of combination successively, magnetic circuit system is a two magnetic route structure, promptly be positioned at the internal magnetic circuit and the external magnetic circuit that is positioned at marginal position of center, form the magnetic gap of accommodating voice coil loudspeaker voice coil 42 between internal magnetic circuit and the external magnetic circuit.The utility model external magnetic circuit is provided with the perforate that is communicated with loudspeaker monomer 4 inner spaces and back operatic tunes D, do not indicate among the figure, back operatic tunes D is positioned at the side of loudspeaker monomer 4, back operatic tunes D does not just need to take the loud speaker module in the space that influences on the vertical direction of its thickness like this, helps realizing the slimming of product.
In addition, the upper casing 1 of loud speaker module is provided with the metal insert 11 that is combined as a whole with upper casing 1 over against the position of loudspeaker monomer 4, because metal insert 11 is compared with plastic construction under the certain condition of intensity and can be had littler thickness, therefore can further realize the slimming of product.Metal insert 11 is arranged at can provide for the vibration of vibrating diaphragm 41 over against the position of loudspeaker monomer 4 dodges the space, thereby can increase the size of loudspeaker monomer 4 under the certain situation of product thickness again, improves the acoustical behavior of product.Wherein, metal insert 11 can combine by the injection moulding mode with upper casing 1 or by the combination of hot melt post hot melt.
In addition, spaced walls 23 is not limited to this structure that only is arranged on the mesochite 2, also can be arranged on the upper casing 1, perhaps partly is arranged at upper casing 1 top and is arranged on the mesochite 2, perhaps is arranged at simultaneously on upper casing 1 and the mesochite 2.Also be not limited to this structure that openend 110 is set on upper casing 1, also can on lower casing 3, openend be set, all have above-mentioned technique effect according to the practical application of product.
Under above-mentioned instruction of the present utility model; those skilled in the art can be in his improvement of the basic enterprising Xingqi of the foregoing description and distortion; and these improvement and distortion; all drop in the protection range of the present utility model; those skilled in the art should be understood that; above-mentioned specific descriptions are just better explained the purpose of this utility model, and protection range of the present utility model is limited by claim and equivalent thereof.
Claims (9)
1. a ultrathin loudspeaker module comprises peripheral frame, and the loudspeaker monomer that is contained in described peripheral frame inside; Described peripheral frame comprises upper casing, mesochite and the lower casing that mutually combines, and the operatic tunes before forming between described upper casing and the described mesochite forms the back operatic tunes between described mesochite and the described lower casing; Described peripheral frame is provided with the outlet sound mouth of radiation sound, it is characterized in that,
Described upper casing and/or mesochite are provided with the spaced walls of separating the described preceding operatic tunes, described spaced walls is divided into separate two parts at least with the operatic tunes before described: the operatic tunes before the operatic tunes and second before first, the operatic tunes is connected with described outlet sound mouth before first, the operatic tunes and the first preceding operatic tunes are provided with at interval before second, and the operatic tunes is connected with the described back operatic tunes before described second.
2. a kind of ultrathin loudspeaker module according to claim 1, it is characterized in that, described mesochite is provided with diapire, is provided with corresponding to the position of the operatic tunes before described second on the described diapire and expects the hole of dodging that forms, described dodge the hole be communicated with described second before the operatic tunes and the described back operatic tunes.
3. a kind of ultrathin loudspeaker module according to claim 2 is characterized in that, the part-structure at least that forms the spaced walls of the operatic tunes before described first is around described loudspeaker monomer setting.
4. a kind of ultrathin loudspeaker module according to claim 3 is characterized in that described outlet sound mouth is positioned at the side of described loud speaker module, and the spaced walls of the described first preceding operatic tunes also comprises the part of extending to described outlet sound mouth along loudspeaker monomer.
5. a kind of ultrathin loudspeaker module according to claim 3, it is characterized in that, described loud speaker module also comprise with described first before the operatic tunes is provided with at interval before the operatic tunes and described second before the 3rd operatic tunes, the diapire of described mesochite is provided with the hole of dodging that is communicated with the operatic tunes and the described back operatic tunes before the described the 3rd.
6. according to the described a kind of ultrathin loudspeaker module of the arbitrary claim of claim 1 to 5, it is characterized in that described loudspeaker monomer is arranged between described mesochite and the described lower casing, the described back operatic tunes is positioned at the side of described loudspeaker monomer.
7. a kind of ultrathin loudspeaker module according to claim 6, it is characterized in that, described loudspeaker monomer involving vibrations system and magnetic circuit system, described vibrational system comprise vibrating diaphragm and are incorporated into the voice coil loudspeaker voice coil of described vibrating diaphragm downside that described magnetic circuit system comprises the magnet and the magnetic conductive board of from top to bottom combination.
8. a kind of ultrathin loudspeaker module according to claim 7, it is characterized in that, described vibrating diaphragm secure bond is on described mesochite, and the position over against described vibrating diaphragm on the described upper casing is provided with metal insert, and described metal insert combines with described upper casing injection moulding or by the combination of hot melt post hot melt.
9. a kind of ultrathin loudspeaker module according to claim 8 is characterized in that, described lower casing is provided with expects that the resettlement section that forms, described resettlement section accommodate fixing described magnetic conductive board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320037371 CN203086730U (en) | 2013-01-18 | 2013-01-18 | Ultra-thin loudspeaker module group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320037371 CN203086730U (en) | 2013-01-18 | 2013-01-18 | Ultra-thin loudspeaker module group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203086730U true CN203086730U (en) | 2013-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320037371 Withdrawn - After Issue CN203086730U (en) | 2013-01-18 | 2013-01-18 | Ultra-thin loudspeaker module group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203086730U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103118320A (en) * | 2013-01-18 | 2013-05-22 | 歌尔声学股份有限公司 | Ultrathin loudspeaker module |
| WO2016000373A1 (en) * | 2014-06-30 | 2016-01-07 | 歌尔声学股份有限公司 | Sound producing device |
| CN107454525A (en) * | 2017-09-08 | 2017-12-08 | 广东欧珀移动通信有限公司 | Electroacoustic component, electroacoustic device and mobile terminal |
| WO2020258571A1 (en) * | 2019-06-25 | 2020-12-30 | 歌尔股份有限公司 | Sound chamber structure, and acoustic electronic apparatus having same |
-
2013
- 2013-01-18 CN CN 201320037371 patent/CN203086730U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103118320A (en) * | 2013-01-18 | 2013-05-22 | 歌尔声学股份有限公司 | Ultrathin loudspeaker module |
| WO2014110953A1 (en) * | 2013-01-18 | 2014-07-24 | 歌尔声学股份有限公司 | Ultrathin loudspeaker module |
| CN103118320B (en) * | 2013-01-18 | 2015-11-11 | 歌尔声学股份有限公司 | A kind of ultrathin loudspeaker module |
| US9525933B2 (en) | 2013-01-18 | 2016-12-20 | Goertek Inc. | Ultrathin speaker module |
| WO2016000373A1 (en) * | 2014-06-30 | 2016-01-07 | 歌尔声学股份有限公司 | Sound producing device |
| US10178481B2 (en) | 2014-06-30 | 2019-01-08 | Goertek Inc. | Sound producing device |
| CN107454525A (en) * | 2017-09-08 | 2017-12-08 | 广东欧珀移动通信有限公司 | Electroacoustic component, electroacoustic device and mobile terminal |
| WO2020258571A1 (en) * | 2019-06-25 | 2020-12-30 | 歌尔股份有限公司 | Sound chamber structure, and acoustic electronic apparatus having same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130724 Effective date of abandoning: 20151111 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |