CN203086727U - Electroacoustic device - Google Patents
Electroacoustic device Download PDFInfo
- Publication number
- CN203086727U CN203086727U CN 201320010798 CN201320010798U CN203086727U CN 203086727 U CN203086727 U CN 203086727U CN 201320010798 CN201320010798 CN 201320010798 CN 201320010798 U CN201320010798 U CN 201320010798U CN 203086727 U CN203086727 U CN 203086727U
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- China
- Prior art keywords
- groove
- diapire
- electro
- acoustic element
- sidewall
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Abstract
The utility model relates to an electroacoustic device, which comprises a magnetic circuit system, a vibration system and a cone frame for accommodating the magnetic circuit system and the vibration system. An inner cavity is enclosed by the cone frame, the vibration system and the magnetic circuit system. The cone frame comprises a bottom wall and sidewalls extending from the bottom wall, wherein first grooves which recess from the sidewalls to the inner cavity are arranged in the sidewalls, the first grooves extend to the bottom wall and penetrate the bottom wall, and a sound outlet penetrating into the inner cavity is arranged in each first groove. Sound outlet of the electroacoustic device can be ensured by two portions, i.e., the sidewalls and the bottom wall, wherein even if sound is shielded in one direction, the sound can be emitted from the other portion, thereby ensuring acoustic performance of the electroacoustic device.
Description
[technical field]
The utility model relates to a kind of electro-acoustic element, especially refers to the electro-acoustic element of using in a kind of mobile device.
[background technology]
Along with the progress of science and technology development and society, electronic product obtains a large amount of popularizing, and in order to obtain better enjoyment acoustically, people are more and more higher to the performance requirement of electro-acoustic element.
The electro-acoustic element of tradition mobile phone generally all comprises the basin frame, be contained in magnetic bowl in the basin frame, accommodate magnet steel in the magnetic bowl, be retained on vibrating diaphragm on the basin frame and an end is retained on voice coil loudspeaker voice coil on the vibrating diaphragm, and forming magnetic gap between magnetic bowl and the magnet steel, the other end of voice coil loudspeaker voice coil inserts in this magnetic gap.Described basin frame and magnetic bowl, vibrating diaphragm surround an inner chamber.The electro-acoustic element of traditional structure in order to reach good acoustic efficiency, generally can be provided with the back sender in the back side or the side of basin frame, and still, the sender of this structure is as easy as rolling off a log to be blocked, and influences the audio fruit.
Therefore, be necessary to provide a kind of new electro-acoustic element at above-mentioned shortcoming.
[utility model content]
The purpose of this utility model is to address the above problem, and a kind of electro-acoustic element that improves acoustical behavior is provided.
A kind of electro-acoustic element, comprise magnetic circuit system, vibrational system and be used to accommodate the fixedly basin frame of magnetic circuit system and vibrational system, described basin frame, vibrational system and magnetic circuit system surround an inner chamber, described basin frame comprises diapire and the sidewall that extends from diapire, described sidewall is provided with first groove from the inside cavity direction depression of sidewall, described first groove is to the extension of diapire direction and run through diapire, is provided with the sender that connects to inner chamber in described first groove.
Preferably, described diapire is provided with second groove from the inside cavity direction depression of diapire, and described first groove connects to second groove.
Preferably, the sidewall of described basin frame is provided with the upper surface relative with diapire, and described first groove makes progress, and surface direction is extended and the perforation upper surface.
Preferably, described second groove lays respectively on four jiaos of diapire.
Preferably, described second groove connects and its two sidewalls that face mutually.
Preferably, described basin frame is a cuboid, and described sidewall comprises two long side walls and two minor face sidewalls that join with it, and described first groove lays respectively on the described long side wall.
Preferably, described voice coil leads is passed first groove.
The beneficial effects of the utility model are: first groove is positioned at sidewall and connects to diapire, can guarantee that the behind of electro-acoustic element goes out sound from sidewall and two positions of diapire, also can go out sound even a direction is blocked, thereby guarantee the acoustical behavior of electro-acoustic element from another position.
[description of drawings]
Fig. 1 is the three-dimensional exploded view of electro-acoustic element of the present utility model;
Fig. 2 is the stereogram of electro-acoustic element of the present utility model.
[embodiment]
The utility model is described in further detail below in conjunction with drawings and embodiments.
As depicted in figs. 1 and 2, the utility model provides a kind of electro-acoustic element 100, and it comprises magnetic circuit system 1, vibrational system 2 and is used to accommodate the fixedly basin frame 3 of magnetic circuit system 1 and vibrational system 2.
Described magnetic circuit system 1 comprises the magnetic bowl 13 that is contained in the basin frame 3, be fixed in the magnet steel 11 of magnetic bowl 13 and be attached at the pole piece 12 on magnet steel 11 surfaces.Form magnetic gap (not label) between described magnet steel 11 and the magnetic bowl 13.Need to prove that described magnetic bowl can also can all can be referred to as the magnetic bowl as long as have the element of the base plate of placement magnet portion (as magnet steel) for having the dull and stereotyped sidewall that is extended by flat board that reaches for bowl-shape.In the present embodiment, described magnetic bowl comprises dull and stereotyped 131 and from described dull and stereotyped 131 two baffle plates 132 that extend.
Described vibrational system 2 comprises vibrating diaphragm 21 that is immobilizated on the basin frame 3 and the voice coil loudspeaker voice coil 22 that drives vibrating diaphragm 21 vibrations.Described voice coil loudspeaker voice coil 22 inserts in the magnetic gap.Described voice coil loudspeaker voice coil 22 has voice coil leads (not shown).Described vibrating diaphragm 21 comprises the ball top 211 that is positioned at central authorities and around the ring portion 212 at described ball top 211.In the present embodiment, described ball top is slab construction and links to each other with voice coil loudspeaker voice coil, and also is provided with the oscillating plate 23 of strengthening the vibrating diaphragm oscillating action that rises that is covered on the described ball top on the vibrating diaphragm.Certainly, in selectable other execution modes, described ball top also can be other structures such as circular arc, and described ball top and ring portion also can be structure as a whole.
Described basin frame 3 comprises diapire 32 and by the vertically extending sidewall 31 of diapire.Described sidewall 31 and diapire 32 surround receiving space 30.Described sidewall 31 comprises the upper surface 311 relative with diapire 32, and described vibrating diaphragm 21 is overlapped on the upper surface 311 of described sidewall 31, and described magnetic bowl 13 is contained in the described receiving space 30, and described basin frame 3 surrounds an inner chamber with magnetic bowl 13, vibrating diaphragm 21 and magnetic bowl.Described basin frame 3 is a cuboid, and described diapire 32 is a rectangle, and described sidewall 31 comprises two long side walls 311 and two minor face sidewalls 312 that join with it.Four jiaos of second grooves 33 that are provided with from diapire 32 inside cavity direction depressions of described diapire 32.Described second groove 33 connects two sidewalls 31 that are adjacent.Certainly, only connecting one of them sidewall also can implement.Described long side wall 311 is provided with first groove 34 from top sidewall 311 inside cavity direction depressions.Certainly, the position of described first groove is not limited in this, also can be positioned on the minor face sidewall, also can lay respectively on minor face sidewall and the long side wall.Described first groove 34 extends and connects to second groove 33 to diapire 32 directions and extends and perforation upper surface 311 to upper surface 311 directions simultaneously, is provided with the sender 341 that connects to inner chamber in described first groove 34.Described first groove 34 can also be as the wire casing of voice coil leads, and described voice coil leads is passed any two first grooves 33.Certainly, this is more excellent execution mode just, in selectable other embodiment, described basin frame also can be other shapes, as square or cylindrical, promptly can there be major axis sidewall and minor axis sidewall, described first groove also can not connect upper surface, as long as have first groove that penetrates into second groove on the described sidewall, and has the sender that connects to inner chamber in first groove, can promptly can implement constituting unimpeded sound channel.Described electro-acoustic element 100 also is provided with the protecgulum 4 that is covered on basin frame 3, and it comprises the vocal hole 41 that runs through on it.
Only be optimum execution mode of the present utility model below, can guarantee sound channel unimpeded of a plurality of directions, in the enforcement, also can not have second groove, only have first groove that connects diapire, utilize first groove to form the sound channel of passage diapire and sidewall, promptly can implement.
The diapire of the basin frame of electro-acoustic element of the present utility model is provided with second groove, the sidewall of basin frame is provided with first groove that connects diapire, be provided with the sender that connects with inner chamber in first groove, can guarantee that the behind of electro-acoustic element goes out sound from sidewall and two positions of diapire, also can go out sound even a direction is blocked, thereby guarantee the acoustical behavior of electro-acoustic element from another position.
Above-described only is better embodiment of the present utility model; should be pointed out that for the person of ordinary skill of the art at this, under the prerequisite that does not break away from the utility model creation design; can also make improvement, but these all belong to protection range of the present utility model.
Claims (7)
1. electro-acoustic element, comprise magnetic circuit system, vibrational system and be used to accommodate the fixedly basin frame of magnetic circuit system and vibrational system, described basin frame, vibrational system and magnetic circuit system surround an inner chamber, described basin frame comprises diapire and the sidewall that extends from diapire, it is characterized in that: described sidewall is provided with first groove from the inside cavity direction depression of sidewall, described first groove is to the extension of diapire direction and run through diapire, is provided with the sender that connects to inner chamber in described first groove.
2. electro-acoustic element according to claim 1 is characterized in that: described diapire is provided with second groove from the inside cavity direction depression of diapire, and described first groove connects to second groove.
3. electro-acoustic element according to claim 1 is characterized in that: the sidewall of described basin frame is provided with the upper surface relative with diapire, and described first groove makes progress, and surface direction is extended and the perforation upper surface.
4. electro-acoustic element according to claim 2 is characterized in that: described second groove lays respectively on four jiaos of diapire.
5. electro-acoustic element according to claim 4 is characterized in that: described second groove connects two sidewalls that are adjacent.
6. electro-acoustic element according to claim 1 is characterized in that: described basin frame is a cuboid, and described sidewall comprises two long side walls and two minor face sidewalls that join with it, and described first groove lays respectively on the described long side wall.
7. electro-acoustic element according to claim 1 is characterized in that: described voice coil loudspeaker voice coil is provided with voice coil leads, and described voice coil leads is passed first groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320010798 CN203086727U (en) | 2013-01-09 | 2013-01-09 | Electroacoustic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320010798 CN203086727U (en) | 2013-01-09 | 2013-01-09 | Electroacoustic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203086727U true CN203086727U (en) | 2013-07-24 |
Family
ID=48832526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320010798 Expired - Fee Related CN203086727U (en) | 2013-01-09 | 2013-01-09 | Electroacoustic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203086727U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106101958A (en) * | 2016-07-21 | 2016-11-09 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN108307276A (en) * | 2018-01-04 | 2018-07-20 | 瑞声科技(新加坡)有限公司 | Microphone device |
-
2013
- 2013-01-09 CN CN 201320010798 patent/CN203086727U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106101958A (en) * | 2016-07-21 | 2016-11-09 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN106101958B (en) * | 2016-07-21 | 2019-03-22 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN108307276A (en) * | 2018-01-04 | 2018-07-20 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN108307276B (en) * | 2018-01-04 | 2020-10-20 | 瑞声科技(新加坡)有限公司 | Sound production device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170509 Address after: Singapore Ang Mo Kio 65 Street No. 10 techpoint Building 1 floor, No. 8 Co-patentee after: AAC Optoelectronic (Changzhou) Co., Ltd. Patentee after: AAC Technologies (Singapore) Co., Ltd. Address before: Wujin Nanxiashu town Jiangsu city Changzhou province 213167 Co-patentee before: AAC Acoustic Technologies (Shenzhen) Co., Ltd. Patentee before: AAC Optoelectronic (Changzhou) Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181128 Address after: No. 8, 2 floor, 85 Cavendish Science Park Avenue, Singapore Patentee after: AAC Technologies (Singapore) Co., Ltd. Address before: Singapore Ang Mo Kio 65 Street No. 10 techpoint Building 1 floor, No. 8 Co-patentee before: AAC Optoelectronic (Changzhou) Co., Ltd. Patentee before: AAC Technologies (Singapore) Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20210109 |