CN204948325U - Microphone device - Google Patents
Microphone device Download PDFInfo
- Publication number
- CN204948325U CN204948325U CN201520558398.0U CN201520558398U CN204948325U CN 204948325 U CN204948325 U CN 204948325U CN 201520558398 U CN201520558398 U CN 201520558398U CN 204948325 U CN204948325 U CN 204948325U
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- CN
- China
- Prior art keywords
- brace rod
- microphone device
- cover plate
- sender
- housing
- 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 - Fee Related
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Abstract
The utility model provides a kind of microphone device, it comprises the housing of tool receiving space, sender, sounding monomer and sound channel, described housing comprises sidewall, described sender runs through described sidewall and arranges, described sounding monomer to be placed in described housing and described housing is separated into ante-chamber and the back cavity relative with described ante-chamber, described ante-chamber is communicated with the external world by described sender, described housing also comprises the brace rod be located between sounding monomer and described sidewall, described microphone device comprises the cover plate being covered on described brace rod, described brace rod, described cover plate surrounds with described housing the sound channel being connected described ante-chamber and described sender.The cover plate that the utility model supports by the former sound channel be integrated with housing design being advanced through brace rod, what add sounding monomer goes out sound width, reduces ante-chamber and is obstructed, and improves the acoustical behavior of microphone device.
Description
[technical field]
The utility model relates to a kind of microphone device, is specifically related to a kind of microphone device be used on portable communications electronic product.
[background technology]
Current sound channel and lid are the integrated design, adopt mould slide block loose core or classifying method shaping, by the restriction of the sender size of customer requirement, mainly there is following defect:
First, along the direction of slide block, the width of sound channel near sender one end can only be identical or reduce, otherwise mould slide block structure cannot realize, finally cause the narrower in width of sound channel and loud speaker junction, namely sounding monomer sound channel is narrow, considerable influence is produced to acoustical behavior, as audio distortions, total harmonic distortion; Secondly, in die molding process, easily cause the plastics of sound channel local blocked up, cause shrink.
So, be necessary to be further improved microphone device, to avoid above-mentioned defect.
[utility model content]
To affect by mould molding cause sounding monomer sound channel narrow for solving above-mentioned existing microphone device, cause the technical problem of harmonic distortion, the utility model provides a kind of microphone device, and this microphone device is by being designed to a cover plate by original with the sound channel of housing integrated design
Cover plate is connected with housing seal, overcomes mould molding restriction, and the width that cover plate is connected with sounding monomer on the other hand can be greater than the width of sender, reduces ante-chamber acoustic resistance, and greatly improve loud speaker acoustical behavior index, distortion is little and acoustics good.
In microphone device one preferred embodiment that the utility model provides, described microphone device, comprise the housing of tool receiving space, sender, sounding monomer and sound channel, described housing comprises sidewall, described sender runs through described sidewall and arranges, described sounding monomer to be placed in described housing and described housing is separated into ante-chamber and the back cavity relative with described ante-chamber, described ante-chamber is communicated with the external world by described sender, described housing also comprises the brace rod be located between sounding monomer and described sidewall, described microphone device comprises the cover plate being covered on described brace rod, described brace rod, described cover plate surrounds with described housing the sound channel being connected described ante-chamber and described sender.
In microphone device one preferred embodiment that the utility model provides, described cover plate comprises the first limit abutted with described sender, the Second Edge abutted with described sounding monomer, described first limit and described Second Edge relative spacing are arranged, the length on described first limit is less than or equal to the width of described sender, the length of described Second Edge is greater than the length on described first limit, and along described sounding monomer to described sender direction, the cross-sectional area of described cover plate is in reducing change.
In microphone device one preferred embodiment that the utility model provides, described cover plate also comprises fin, connects the 3rd limit and the 4th limit of described first limit and Second Edge, described fin is located at the 3rd limit and the 4th limit, described brace rod comprises the groove be equipped with described fin, and described fin is arranged in described groove.
In microphone device one preferred embodiment that the utility model provides, the length of described Second Edge equals the length of described sounding monomer.
In microphone device one preferred embodiment that the utility model provides, the length of described Second Edge equals the length of described sounding monomer.
In microphone device one preferred embodiment that the utility model provides, described brace rod and the integrated molding structure of described housing, comprise the first brace rod and the second brace rod, described first brace rod and described second brace rod are oppositely arranged, described first brace rod is connected described sidewall with one end of described second brace rod, and the other end abuts described sounding monomer.
In microphone device one preferred embodiment that the utility model provides, described in go out sound cover plate and described brace rod junction play glue sealing.
Compared to prior art, the microphone device that the utility model provides has following beneficial effect:
One, integrated with housing by original there is certain thickness sound channel be designed to the sound channel that cover plate, brace rod and housing surround jointly, this kind improves and overcomes because of mould restriction on the one hand, the local plastic cement caused is blocked up, cause the defect of shrink, the width of cover plate is not by the restriction of sender width on the other hand, can be the same with the length of sounding monomer, what namely add sounding monomer goes out sound width, therefore ante-chamber acoustic resistance can be reduced, greatly improve loud speaker acoustical behavior index, distortion is little, and acoustics is better.
Two, cover plate and brace rod are connected together, and ease of assembly is processed.
[accompanying drawing explanation]
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the perspective exploded view of the microphone device that the utility model provides;
The part-structure decomposing schematic representation that Fig. 2 is microphone device shown in Fig. 1;
Fig. 3 is the structural representation of the protecgulum of microphone device shown in Fig. 1;
Fig. 4 is the structural representation of the cover plate of microphone device shown in Fig. 1;
Fig. 5 is the generalized section of microphone device shown in Fig. 1.
[embodiment]
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, Fig. 1 is the perspective exploded view of the microphone device that the utility model provides, the part-structure decomposing schematic representation that Fig. 2 is microphone device shown in Fig. 1, Fig. 3 is the structural representation of the protecgulum of microphone device shown in Fig. 1, Fig. 4 is the structural representation of the cover plate of microphone device shown in Fig. 1, and Fig. 5 is the generalized section of microphone device shown in Fig. 1.Described microphone device 1 comprises the housing of tool receiving space, described housing comprises protecgulum 11 and bonnet 13, sender 15, sounding monomer 16, cover plate 17 and sound channel 18, and described protecgulum 11 coordinates with described bonnet 13 and jointly surrounds receiving space (not shown).Described bonnet 13 matches with described protecgulum 11 structure, can be connected together, and ease of assembly is dismantled.
Described sounding monomer 16 to be placed in described housing and described receiving space is separated into ante-chamber 120 and back cavity corresponding thereto 140, and described ante-chamber 120 is communicated with the external world by described sender 15.Described protecgulum 11 comprises sidewall 115 and brace rod 117, described brace rod 117 and the integrated molding structure of described protecgulum 11, comprise the first brace rod 1171, second brace rod 1173 and the groove 1175 be oppositely arranged, described first brace rod 1171 is connected described sidewall 115 with one end of described second brace rod 1173, and the other end abuts with described sounding monomer 16; The quantity of described groove 1175 is two, is located at described first brace rod 1171 and described second brace rod 1173 respectively, for being connected together with described cover plate 17.
Described sender 15 runs through described sidewall 115 surface and arranges, for the output of sound.The cross sectional shape of described sender 15 is orthogonal rectangle or round rectangle, and the width of described sender 15 is B, specifically see Fig. 2.
Described sounding monomer 16 can be embedded at described bonnet 13, the space of microphone device 1 described in Appropriate application, effectively reduces the volume of described microphone device 1.The length of described sounding monomer 16 is A, specifically see Fig. 2.
Please combining again and consult Fig. 4, is the structural representation of the cover plate of microphone device shown in Fig. 1.Described cover plate 17, in trapezoidal or that class is trapezoidal structure, be covered on described brace rod 117, and described brace rod 117 is connected together, and plays glue sealing.The first limit 171 that described cover plate 17 comprises convex mound 179, relative spacing is arranged, Second Edge 173 and connect the 3rd limit 175 and the 4th limit 177 of the first limit 171 and Second Edge 173, described first limit 171 abuts with sender 15, its length is less than or equal to the width B of described sender 15, described Second Edge 173 abuts with described sounding monomer 16, its size is less than or equal to the length A of described sounding monomer 16 and is greater than the length on described first limit 171, described 3rd limit 175 is hypotenuse, and described 4th limit 177 is straight flange.Along sounding monomer 16 to sender 15 direction, the cross-sectional area of described cover plate 17 is in reducing change.
Described fin 179 quantity is two, is located at described 3rd limit 175 and described 4th limit 177 respectively, and arranges with described groove 1175 corresponding matching, and described fin 179 is fastened in described groove 1175, and namely described cover plate 17 and described brace rod 117 are connected together.
Described sound channel 18 is surrounded by described cover plate 17, described brace rod 117 and described protecgulum 11, and described sound channel 18 connects described ante-chamber 120 and described sender 15.Described sound channel 18, compared with the sound channel of original housing integrated setting, improves out sound width while overcoming mould restriction, greatly improves loud speaker acoustical behavior index.
The microphone device 1 that the utility model provides has following beneficial effect:
One, integrated with housing by original there is certain thickness sound channel be designed to the sound channel 18 that cover plate 17, brace rod 117 and protecgulum 11 surround jointly, this kind improves and overcomes because of mould restriction on the one hand, the local plastic cement caused is blocked up, cause the defect of shrink, the width of cover plate 17 is not by the restriction of sender width on the other hand, can be the same with the length of sounding monomer, what namely add sounding monomer goes out sound width, therefore ante-chamber acoustic resistance can be reduced, greatly improve loud speaker acoustical behavior index, distortion is little, and acoustics is better.
Two, cover plate 17 and brace rod 117 are connected together, and ease of assembly is processed.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (7)
1. a microphone device, comprise the housing of tool receiving space, sender, sounding monomer and sound channel, described housing comprises sidewall, described sender runs through described sidewall and arranges, described sounding monomer to be placed in described housing and described housing is separated into ante-chamber and the back cavity relative with described ante-chamber, described ante-chamber is communicated with the external world by described sender, it is characterized in that, described housing also comprises the brace rod be located between sounding monomer and described sidewall, described microphone device comprises the cover plate being covered on described brace rod, described brace rod, described cover plate surrounds with described housing the sound channel being connected described ante-chamber and described sender.
2. microphone device according to claim 1, it is characterized in that, described cover plate comprises the first limit abutted with described sender, the Second Edge abutted with described sounding monomer, described first limit and described Second Edge relative spacing are arranged, and the length on described first limit is less than or equal to the width of described sender, and the length of described Second Edge is greater than the length on described first limit, along described sounding monomer to described sender direction, the cross-sectional area of described cover plate is in reducing change.
3. microphone device according to claim 2, is characterized in that, described cover plate and described brace rod are connected together.
4. microphone device according to claim 3, it is characterized in that, described cover plate also comprises fin, connects the 3rd limit and the 4th limit of described first limit and Second Edge, described fin is located at the 3rd limit and the 4th limit, described brace rod comprises the groove be equipped with described fin, and described fin is arranged in described groove.
5. microphone device according to claim 2, is characterized in that, the length of described Second Edge equals the length of described sounding monomer.
6. microphone device according to claim 1, it is characterized in that, described brace rod and the integrated molding structure of described housing, comprise the first brace rod and the second brace rod, described first brace rod and described second brace rod are oppositely arranged, described first brace rod is connected described sidewall with one end of described second brace rod, and the other end abuts described sounding monomer.
7. microphone device according to claim 1, is characterized in that, glue sealing is played in the junction of described cover plate and described brace rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520558398.0U CN204948325U (en) | 2015-07-29 | 2015-07-29 | Microphone device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520558398.0U CN204948325U (en) | 2015-07-29 | 2015-07-29 | Microphone device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204948325U true CN204948325U (en) | 2016-01-06 |
Family
ID=55015710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520558398.0U Expired - Fee Related CN204948325U (en) | 2015-07-29 | 2015-07-29 | Microphone device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204948325U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109561369A (en) * | 2017-09-27 | 2019-04-02 | 卡西欧计算机株式会社 | Loudspeaker unit and electronic equipment |
-
2015
- 2015-07-29 CN CN201520558398.0U patent/CN204948325U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109561369A (en) * | 2017-09-27 | 2019-04-02 | 卡西欧计算机株式会社 | Loudspeaker unit and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20160106 Termination date: 20210729 |