CN203086641U - Sound generating device - Google Patents
Sound generating device Download PDFInfo
- Publication number
- CN203086641U CN203086641U CN 201220708671 CN201220708671U CN203086641U CN 203086641 U CN203086641 U CN 203086641U CN 201220708671 CN201220708671 CN 201220708671 CN 201220708671 U CN201220708671 U CN 201220708671U CN 203086641 U CN203086641 U CN 203086641U
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- Prior art keywords
- microphone device
- protecgulum
- reinforced wall
- metallic plate
- wall
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Abstract
The utility model provides a sound generating device which comprises the following components: a basin rack, and a front cover which covers the basin rack. The front cover comprises a plurality of side walls and a sound generating hole which is surrounded by the side walls, wherein, the sound generating device further comprises a metal plate which is embedded in the front cover. The metal plate comprises the following components: two reinforcing walls which are respectively on two relative long side walls of the front cover, and a beam wall which bestrides the sound generating hole and is simultaneously connected with the two reinforcing walls, wherein the length of each reinforcing wall is larger than the width of beam wall. The sound generating device provided by the utility model has the following advantages: higher reliability and better acoustic performance.
Description
[technical field]
The utility model relates to a kind of microphone device, relates in particular to a kind of microphone device of employing in the portable communication apparatus field.
[background technology]
Along with the exhibition of not stopping paying out of mechanics of communication, mobile phone becomes indispensable daily necessities in people's daily life.In the process of mobile portable communication device fast developments such as mobile phone, microphone device is expressed more and more higher requirement as one of necessary element of mobile portable communication device.
The microphone device of correlation technique comprises the basin frame, be fixed on vibrational system in the described basin frame and magnetic circuit system and lid is located at protecgulum on the described basin frame, and described protecgulum comprises some sidewalls and the vocal hole that is surrounded by described sidewall.
Then, its protecgulum of the microphone device of correlation technique is made for the all-plastic material, when microphone device was subjected to bigger lateral compression, its long sidewall ruptured because of insufficient strength produces distortion easily in described vocal hole, thereby influenced the reliability of correlation technique microphone device.
Therefore, a kind of improved microphone device is arranged again in the correlation technique, shape according to the vocal hole on the described protecgulum in the described protecgulum that the all-plastic material is made embeds the sheet metal of annular or makes described protecgulum with all-metal material, thereby strengthened the intensity of described protecgulum, improved reliability, but apply in the portable communication apparatus such as mobile phone when described microphone device after, the sheet metal structure or the all-metal material structure of annular can both constitute loop structure, this structure can produce bigger negative effect to the antenna performance of equipment such as mobile phone, thus the communication performance variation of the relevant device of the described microphone device of feasible utilization.
Therefore, be necessary that the microphone device that proposes a kind of new construction solves the problems of the technologies described above in fact.
[utility model content]
The technical problem that the utility model need solve provides a kind of good reliability, the microphone device that acoustical behavior is excellent.
According to above-mentioned technical problem, designed a kind of microphone device, its objective is such realization: a kind of microphone device, it comprises that basin frame and lid are located at the protecgulum on the described basin frame, described protecgulum comprises some sidewalls and the vocal hole that is surrounded by described sidewall.Wherein, described microphone device also comprises the metallic plate that is embedded on described protecgulum, described metallic plate comprises the reinforced wall and the Liang Bi that also is connected two described reinforced walls across described vocal hole simultaneously on the relative two long sidewalls that are separately fixed at described protecgulum, and the length of described reinforced wall is greater than the width of described Liang Bi.
Preferably, described reinforced wall lays respectively at the centre position of described long sidewall.
Preferably, described Liang Bi also forms a fixed connection in the centre position of described reinforced wall respectively perpendicular to described reinforced wall respectively.
Preferably, the medial extremity of described long sidewall is provided with the accepting groove to described basin frame direction depression, and described reinforced wall is embedded in described accepting groove.
Preferably, side away from described vocal hole of described accepting groove also is provided with the guide vane end stop that protrudes to described vocal hole direction, described reinforced wall is provided with the stopper slot that cooperates with described guide vane end stop to described beam wall direction depression, and described guide vane end stop is fastened in the described stopper slot.
Preferably, described metallic plate is a steel plate.
Compare with correlation technique, the utility model microphone device better reliability, acoustical behavior is more excellent.
[description of drawings]
Fig. 1 is the three-dimensional structure diagram of the utility model microphone device.
Fig. 2 is the stereochemical structure exploded view of the utility model microphone device.
[embodiment]
The utility model is described in further detail below in conjunction with drawings and embodiments.
Shown in Fig. 1-2, a kind of microphone device 10, it comprises that basin frame 1, lid are located at the protecgulum 2 on the basin frame 1 and are fixed on vibrational system and magnetic circuit system (not label) in the basin frame 1, vibrational system comprises vibrating diaphragm 4 and drives the voice coil loudspeaker voice coil (not label) of vibrating diaphragm vibration.Protecgulum 2 comprises some sidewalls (not label) and the vocal hole 5 that is surrounded by sidewall, and sidewall comprises two long sidewalls 21 and the two short sidewalls 22 that are in relative position respectively, and promptly protecgulum 2 is square.Wherein, microphone device 10 also comprises the metallic plate 3 that is embedded on protecgulum 2, and metallic plate 3 comprises the reinforced wall 31 and the beam wall 32 that is connected two reinforced walls 31 simultaneously that is separately fixed on the two long sidewalls 21 that protecgulum 2 is oppositely arranged.Beam wall 32 is for fixedlying connected with two reinforced walls 31 across vocal hole 5, and the length of reinforced wall 31 is greater than the width of beam wall 32, thus common " worker " font structure that forms.It is that two long sidewalls 21 form support that the setting of metallic plate 3 is equivalent to, when long sidewall 21 is under pressure, because the power that metallic plate 3 will long sidewall 21 be subjected to is transferred on the beam wall 32, make two long sidewalls 21 no longer easily to the inside direction produce distortion even fracture, thereby improved the reliability of microphone device 10.And the length of reinforced wall 31 is in order to make the reinforced wall 31 on the long sidewall 21 can have bigger lifting surface area that pressure is disperseed, to change on the trave lling girder wall 32 again, form the support to long sidewall 21 greater than the width setting of beam wall 32, and support effect is better.In the present embodiment, more excellent, reinforced wall 31 lays respectively at the centre position of long sidewall 21.Because the centre position of its long sidewall 21 is the most weak places of intensity in the whole protecgulum 2.And beam wall 32 also forms a fixed connection in the centre position of reinforced wall 31 respectively perpendicular to reinforced wall 31 respectively, and this structure can make the support degree of metallic plate 3 reach maximization.
In addition, when applying in the communication apparatus such as mobile phone when the utility model microphone device 10, be I-shaped, itself be not loop structure, thereby farthest reduced the adverse effect of 3 pairs of mobile phone antenna performances of metallic plate because the metallic plate 3 on the protecgulum 2 is provided with.
In the utility model microphone device 10, so-called " metallic plate " is to refer in particular to the metallic plate of hardness greater than protecgulum 2 hardness, thereby can form the effective support to the long sidewall 21 of protecgulum 2.In the present embodiment, concrete, metallic plate 3 is a steel plate.Because it is big that steel plate has hardness, then can under the prerequisite of the hardness that guarantees steel plate, steel plate be accomplished thin as far as possible according to this characteristic, thereby protecgulum 2 can be done thinly as far as possible, and under the certain situation of microphone device 10 whole heights, just can guarantee that the acoustical behavior of microphone device 10 is more excellent for vibrating diaphragm 4 provides bigger oscillation space.
Concrete, in the present embodiment, the medial extremity of long sidewall 21 promptly is provided with the accepting groove 211 that caves in to basin frame 1 direction near a side of vocal hole 5, and reinforced wall 31 is embedded in accepting groove 211.This structure makes two long sidewalls 21 of 3 pairs of protecgulums 2 of metallic plate form more firm support.More excellent, the side away from vocal hole 5 of accepting groove 211 also is provided with the guide vane end stop 212 that protrudes to vocal hole 5 directions, and reinforced wall 31 is provided with the stopper slot 33 that cooperates with guide vane end stop 212 to beam wall 32 directions depression, and guide vane end stop 212 is fastened in the stopper slot 33.The fastness of the fixed support of 3 pairs of protecgulums 2 of metallic plate has been strengthened in the setting of guide vane end stop 212 and stopper slot 33 more, has further improved the reliability of microphone device 10.Certainly, the location swap of guide vane end stop 212 and stopper slot 33 also is feasible, and its principle is the same.
Compare with correlation technique, the utility model microphone device is provided with I-shaped metallic plate on protecgulum, supports by more effective protecgulum two long sides are formed of its beam wall, has improved the anti-pressure ability of protecgulum, has further improved the unfailing performance of microphone device; Metallic plate is accomplished thinner, has saved more spaces and has been used for further having improved the acoustical behavior of microphone device for vibrating diaphragm provides enough oscillation spaces.I-shaped metallic plate is compared to the annular metal sheet of correlation technique, and area is littler, and support force is stronger, and does not form the loop, and is littler to the interference of the communication performance of the communication product that uses this microphone device.
Above-described only is execution mode 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 (6)
1. microphone device, it comprises that basin frame and lid are located at the protecgulum on the described basin frame, described protecgulum comprises some sidewalls and the vocal hole that is surrounded by described sidewall, it is characterized in that: described microphone device also comprises the metallic plate that is embedded on described protecgulum, described metallic plate comprises the reinforced wall and the Liang Bi that also is connected two described reinforced walls across described vocal hole simultaneously on the relative two long sidewalls that are separately fixed at described protecgulum, and the length of described reinforced wall is greater than the width of described Liang Bi.
2. microphone device according to claim 1 is characterized in that: described reinforced wall lays respectively at the centre position of described long sidewall.
3. microphone device according to claim 2 is characterized in that: described Liang Bi also forms a fixed connection in the centre position of described reinforced wall respectively perpendicular to described reinforced wall respectively.
4. microphone device according to claim 3 is characterized in that: the medial extremity of described long sidewall is provided with the accepting groove to described basin frame direction depression, and described reinforced wall is embedded in described accepting groove.
5. microphone device according to claim 4, it is characterized in that: the side away from described vocal hole of described accepting groove also is provided with the guide vane end stop that protrudes to described vocal hole direction, described reinforced wall is provided with the stopper slot that cooperates with described guide vane end stop to described beam wall direction depression, and described guide vane end stop is fastened in the described stopper slot.
6. microphone device according to claim 5 is characterized in that: described metallic plate is a steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220708671 CN203086641U (en) | 2012-12-20 | 2012-12-20 | Sound generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220708671 CN203086641U (en) | 2012-12-20 | 2012-12-20 | Sound generating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203086641U true CN203086641U (en) | 2013-07-24 |
Family
ID=48832443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220708671 Expired - Fee Related CN203086641U (en) | 2012-12-20 | 2012-12-20 | Sound generating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203086641U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108600921A (en) * | 2018-04-28 | 2018-09-28 | 歌尔股份有限公司 | Acoustical generator module |
| CN111836156A (en) * | 2020-07-15 | 2020-10-27 | 歌尔股份有限公司 | Sound production device and electronic equipment |
-
2012
- 2012-12-20 CN CN 201220708671 patent/CN203086641U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108600921A (en) * | 2018-04-28 | 2018-09-28 | 歌尔股份有限公司 | Acoustical generator module |
| CN108600921B (en) * | 2018-04-28 | 2020-08-07 | 歌尔股份有限公司 | Acoustic generator module |
| CN111836156A (en) * | 2020-07-15 | 2020-10-27 | 歌尔股份有限公司 | Sound production device and electronic equipment |
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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: 20170516 Address after: Singapore Ang Mo Kio 65 Street No. 10 techpoint Building 1 floor, No. 8 Co-patentee after: AAC MICROTECH (CHANGZHOU) Co.,Ltd. Patentee after: AAC TECHNOLOGIES Pte. Ltd. Address before: Wujin Nanxiashu town Jiangsu city Changzhou province 213167 Co-patentee before: AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) Co.,Ltd. Patentee before: AAC MICROTECH (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 Pte. Ltd. Address before: Singapore Ang Mo Kio 65 Street No. 10 techpoint Building 1 floor, No. 8 Co-patentee before: AAC MICROTECH (CHANGZHOU) Co.,Ltd. Patentee before: AAC TECHNOLOGIES Pte. 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: 20211220 |