CN203027475U - Sound production unit capable of eliminating dental influence - Google Patents
Sound production unit capable of eliminating dental influence Download PDFInfo
- Publication number
- CN203027475U CN203027475U CN 201220722161 CN201220722161U CN203027475U CN 203027475 U CN203027475 U CN 203027475U CN 201220722161 CN201220722161 CN 201220722161 CN 201220722161 U CN201220722161 U CN 201220722161U CN 203027475 U CN203027475 U CN 203027475U
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- vibrating diaphragm
- chamber
- ante
- shielding case
- cavity
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Abstract
The utility model discloses a sound production unit capable of eliminating dental influence. The sound production unit comprises a shielding shell, a moving iron unit which is arranged in the shielding shell, and a sound production tube which is connected to the shielding shell, wherein the moving iron unit comprises a vibrating diaphragm and a magnetic force driving mechanism; the vibrating diaphragm is fixedly arranged in an inner cavity of the shielding shell, and divides the inner cavity of the shielding shell into a front cavity and a rear cavity; the sound production tube is communicated with the front cavity; a first boss for reducing the space of the front cavity is additionally arranged on the cavity wall of the front cavity; and the magnetic force driving mechanism is fixedly contained in the rear cavity and is in transmission connection with the vibrating diaphragm. By arranging the first boss on the cavity wall of the front cavity, the space of the front cavity of the shielding shell can be effectively reduced, so that the size of a coupling cavity of the front cavity is reduced, and the high-frequency response of the moving iron unit is further suppressed to eliminate the dental influence. The sound production unit is simple in structure and low in cost, and facilitates production popularization and application.
Description
Technical field
The utility model relates to a kind of phonation unit, particularly relates to a kind of phonation unit of eliminating the dental impact.
Background technology
Phonation unit comprises moving iron unit, shielding case and sounding pipe, moving iron unit is the critical piece of sounding, moving iron unit comprises vibrating diaphragm and magnetic driving mechanism, the magnetic driving mechanism electromagnetic conversion efficient of traditional moving iron unit is higher, and the dental in voice is just also in the medium-high frequency section, the dental that passive iron unit excessively amplifies can make iron unit sense of hearing ear-piercing, affect users'comfort, traditional method is to adopt to set up damping screen on the sounding pipe, but the damping screen cost compare is high, is difficult to universal production.
The utility model content
For addressing the above problem, the utility model provides a kind of phonation unit of eliminating the dental impact.
The technical solution of the utility model is as follows: a kind of phonation unit of eliminating the dental impact, described phonation unit comprises shielding case, be arranged at the moving iron unit in described shielding case and be connected in sounding pipe on described shielding case, and described moving iron unit comprises vibrating diaphragm and magnetic driving mechanism; Described vibrating diaphragm is fixed in the inner chamber of described shielding case and the inner chamber of described shielding case is divided into ante-chamber and back cavity; Described sounding pipe is communicated with described ante-chamber; Have additional be used to the first lug boss that reduces front cavity space on the wall of described ante-chamber chamber; Described magnetic driving mechanism is taken in and is fixed in described back cavity and the described vibrating diaphragm that is in transmission connection.
Preferably, described vibrating diaphragm comprises vibrating diaphragm support, prestressing force film and vibrating diaphragm main body, and described vibrating diaphragm main body comprises stiff end and vibration end; Described prestressing force film is fixed tight and is sealed on described vibrating diaphragm support; Described stiff end is connected on described vibrating diaphragm support; Described vibration end is in transmission connection on described magnetic driving mechanism.
Preferably, described the first lug boss is the rectangular block that is arranged on the ante-chamber chamber wall on described vibrating diaphragm main body opposite, and described rectangular block is near described stiff end setting.
Preferably, described the first lug boss is trapezoid block or the wedge that is arranged on the ante-chamber chamber wall on described vibrating diaphragm main body opposite, and described trapezoid block or wedge arrange over against described vibrating diaphragm main body.
Preferably, the shape when described trapezoid block or wedge and described vibrating diaphragm main body peak swing state is complementary.
Preferably, also be provided with the second lug boss on the wall of described ante-chamber chamber, described the second lug boss is complementary over against the setting of described vibrating diaphragm support and with described vibrating diaphragm support shape; Be provided with clearance layer between described the second lug boss and described vibrating diaphragm support.
Preferably, also be provided with the sounding mouth on described shielding case, described sounding mouth is communicated with described ante-chamber and sounding pipe.
Preferably, described shielding case is square or cuboid or cylinder or spheroid.
Preferably, described magnetic driving mechanism comprises armature, coil, iron core and permanent magnet, and described permanent magnet is arranged at the relative both sides of described iron core inner ring; Described coil and iron core all are sheathed in the vibration transducing section of described armature; Described coil is near the stiff end of the vibration transducing section of described armature; Described iron core is near the free end of the vibrations ring energy section of described armature; Described permanent magnet is arranged on the direction of vibration of vibration transducing section of described armature; Described vibration end is connected in the free end of the vibration transducing section of described armature by conductive bar; Described armature is fixed on described iron core; Described iron core is fixed in described back cavity.
Adopt the beneficial effect of above technical scheme: one so that the high frequency response that suppresses moving iron unit to eliminate the dental impact; Two, be provided with the second lug boss on the wall of the chamber of ante-chamber, can further reduce the space of the ante-chamber of shielding case, further reduce the size of ante-chamber coupling cavity.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the disclosed initial condition structural representation with the phonation unit embodiment 1 that eliminates the dental impact of the utility model;
Fig. 2 is the disclosed working state structure schematic diagram with the phonation unit embodiment 1 that eliminates the dental impact of the utility model;
Fig. 3 is the disclosed initial condition structural representation with the phonation unit embodiment 2 that eliminates the dental impact of the utility model;
Fig. 4 is the disclosed working state structure schematic diagram with the phonation unit embodiment 2 that eliminates the dental impact of the utility model;
Fig. 5 is the disclosed initial condition structural representation with the phonation unit embodiment 3 that eliminates the dental impact of the utility model;
Fig. 6 is the disclosed working state structure schematic diagram with the phonation unit embodiment 3 that eliminates the dental impact of the utility model;
Fig. 7 is the disclosed initial condition structural representation with the phonation unit embodiment 4 that eliminates the dental impact of the utility model;
Fig. 8 is the disclosed working state structure schematic diagram with the phonation unit embodiment 4 that eliminates the dental impact of the utility model.
The title of the numeral in figure or the corresponding component of alphabetical representative:
11. ante-chamber 111. first lug boss 112. second lug boss 113. sounding mouth 12. back cavity 21. vibrating diaphragm support 22. vibrating diaphragm main body 231. stiff end 232. vibration end 31. armature 32. coil 33. iron core 34. permanent magnet 35. conductive bar 4. sounding pipes.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1
Referring to Fig. 1 and Fig. 2, as shown in legend wherein, a kind of phonation unit of eliminating the dental impact, this phonation unit comprises a shielding case 1, be arranged at the moving iron unit in this shielding case 1 and be connected in a sounding pipe 4 on this shielding case 1, and above-mentioned moving iron unit comprises a vibrating diaphragm and a magnetic driving mechanism;
Shielding case 1 is square, and shielding case 1 is provided with a sounding mouth 113, and sounding mouth 113 connects sounding pipe 4;
Vibrating diaphragm comprises a vibrating diaphragm support 21, prestressing force film (not shown) and a vibrating diaphragm main body 22, and vibrating diaphragm main body 22 comprises a stiff end 231 and a vibration end 232; The prestressing force film is fixed tight and is sealed on vibrating diaphragm support 21;
Magnetic driving mechanism comprises an armature 31, a coil 32, an iron core 33 and two permanent magnets 34, and permanent magnet 34 is arranged at the relative both sides of iron core 33 inner rings; Coil 32 and iron core 33 all are sheathed in the vibration transducing section of armature 31; Coil 32 is near the stiff end of the vibration transducing section of armatures 31; Iron core 33 is near the free end of the vibrations ring energy section of armatures 31; Permanent magnet 34 is arranged on the direction of vibration of vibration transducing section of armature 31; Vibration end 232 is connected in the free end of the vibration transducing section of armature 31 by conductive bar 4; Armature 31 is fixed on iron core 33; Iron core 33 is fixed in back cavity 12.
Vibrating diaphragm support 21 is fixed in the inner chamber of shielding case 1 and the inner chamber of shielding case 1 is divided into an ante-chamber 11 and a back cavity 12; Sounding pipe 4 is communicated with ante-chamber 11; Have additional on ante-chamber 11 chamber walls be used to the first lug boss 111 that reduces ante-chamber 11 spaces; Above-mentioned magnetic driving mechanism is taken in and is fixed in back cavity 12 and the vibrating diaphragm that is in transmission connection.
The first lug boss 111 is the rectangular block on the ante-chamber 11 chamber walls that are arranged at vibrating diaphragm main body 22 opposites, and this rectangular block arranges near stiff end 231.
when phonation unit is started working, produce electromagnetic induction effect by coil 32, and the alternating magnetic field of inducting, alternating magnetic field can magnetize the armature 31 that is placed in coil 32, armature can be according to homopolar-repulsion, the principle that heteropole is inhaled mutually and permanent magnet 34 produce push-and-pull action power, thereby the free-ended power guide rod 4 that drives the vibration transducing section be fixed in armature 31 produces shock motion along the direction with the vibration transducing section quadrature of armature 31, thereby drive vibrating diaphragm main body 22 vibrations that are connected in power guide rod 4 other ends, vibrating diaphragm main body 22 drives its ambient air vibration, and then sound by sounding pipe 4.
Be provided with the first lug boss on the wall of the chamber of ante-chamber, can effectively reduce the space of the ante-chamber of shielding case, thereby reduce the size of ante-chamber coupling cavity, and then eliminate the high frequency effect of moving iron unit, simple in structure, cost is low, is conducive to universal production and application.
Embodiment 2
Referring to Fig. 3 and Fig. 4, as shown in legend wherein, all the other are identical with described embodiment 1, and difference is, the first lug boss 111 is the trapezoid block on the ante-chamber 11 chamber walls that are arranged at vibrating diaphragm main body 22 opposites, and trapezoid block arranges over against vibrating diaphragm main body 22.
Shape when trapezoid block and vibrating diaphragm main body 22 peak swing state is complementary.
Embodiment 3
Referring to Fig. 5 and Fig. 6, as shown in legend wherein, all the other are identical with described embodiment 1, and difference is, the first lug boss 111 is the wedge on the ante-chamber 11 chamber walls that are arranged at vibrating diaphragm main body 22 opposites, and wedge arranges over against vibrating diaphragm main body 22.
Shape when wedge and described vibrating diaphragm peak swing state is complementary.
Referring to Fig. 7 and Fig. 8, as shown in legend wherein, all the other are identical with described embodiment 3, and difference is, also is provided with one second lug boss 112, the second lug bosses 112 on ante-chamber 11 chamber walls and arranges and be complementary with vibrating diaphragm support 21 shapes over against vibrating diaphragm support 21; Be provided with clearance layer between the second lug boss 112 and vibrating diaphragm support 21.
Embodiment 5
All the other are identical with described embodiment 1 or 2 or 3 or 4, and difference is, shielding case is cuboid.
Embodiment 6
All the other are identical with described embodiment 5, and difference is, shielding case is cylinder.
Embodiment 7
All the other are identical with described embodiment 5, and difference is, shielding case is spheroid.
Adopt the beneficial effect of above technical scheme: one so that the high frequency response that suppresses moving iron unit to eliminate the dental impact; Two, be provided with the second lug boss on the wall of the chamber of ante-chamber, can further reduce the space of the ante-chamber of shielding case, further reduce the size of ante-chamber coupling cavity.
Be more than the description to the utility model embodiment, by the above-mentioned explanation to the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a phonation unit of eliminating dental impact, is characterized in that, described phonation unit comprises shielding case, be arranged at the moving iron unit in described shielding case and be connected in sounding pipe on described shielding case, and described moving iron unit comprises vibrating diaphragm and magnetic driving mechanism; Described vibrating diaphragm is fixed in the inner chamber of described shielding case and the inner chamber of described shielding case is divided into ante-chamber and back cavity; Described sounding pipe is communicated with described ante-chamber; Have additional be used to the first lug boss that reduces front cavity space on the wall of described ante-chamber chamber; Described magnetic driving mechanism is taken in and is fixed in described back cavity and the described vibrating diaphragm that is in transmission connection.
2. phonation unit according to claim 1, is characterized in that, described vibrating diaphragm comprises vibrating diaphragm support, prestressing force film and vibrating diaphragm main body, and described vibrating diaphragm main body comprises stiff end and vibration end; Described prestressing force film is fixed tight and is sealed on described vibrating diaphragm support; Described stiff end is connected on described vibrating diaphragm support; Described vibration end is in transmission connection on described magnetic driving mechanism.
3. phonation unit according to claim 2, is characterized in that, described the first lug boss is the rectangular block that is arranged on the ante-chamber chamber wall on described vibrating diaphragm main body opposite, and described rectangular block is near described stiff end setting.
4. phonation unit according to claim 2, is characterized in that, described the first lug boss is trapezoid block or the wedge that is arranged on the ante-chamber chamber wall on described vibrating diaphragm main body opposite, and described trapezoid block or wedge arrange over against described vibrating diaphragm main body.
5. phonation unit according to claim 4, is characterized in that, the shape when described trapezoid block or wedge and described vibrating diaphragm main body peak swing state is complementary.
6. according to claim 3 or 5 described phonation units, is characterized in that, also is provided with the second lug boss on the wall of described ante-chamber chamber, and described the second lug boss is complementary over against the setting of described vibrating diaphragm support and with described vibrating diaphragm support shape; Be provided with clearance layer between described the second lug boss and described vibrating diaphragm support.
7. phonation unit according to claim 6, is characterized in that, also is provided with the sounding mouth on described shielding case, and described sounding mouth is communicated with described ante-chamber and sounding pipe.
8. phonation unit according to claim 7, is characterized in that, described shielding case is square or cuboid or cylinder or spheroid.
9. phonation unit according to claim 8, is characterized in that, described magnetic driving mechanism comprises armature, coil, iron core and permanent magnet, and described permanent magnet is arranged at the relative both sides of described iron core inner ring; Described coil and iron core all are sheathed in the vibration transducing section of described armature; Described coil is near the stiff end of the vibration transducing section of described armature; Described iron core is near the free end of the vibrations ring energy section of described armature; Described permanent magnet is arranged on the direction of vibration of vibration transducing section of described armature; Described vibration end is connected in the free end of the vibration transducing section of described armature by conductive bar; Described armature is fixed on described iron core; Described iron core is fixed in described back cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220722161 CN203027475U (en) | 2012-12-25 | 2012-12-25 | Sound production unit capable of eliminating dental influence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220722161 CN203027475U (en) | 2012-12-25 | 2012-12-25 | Sound production unit capable of eliminating dental influence |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203027475U true CN203027475U (en) | 2013-06-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220722161 Expired - Lifetime CN203027475U (en) | 2012-12-25 | 2012-12-25 | Sound production unit capable of eliminating dental influence |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203027475U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108668211A (en) * | 2017-04-01 | 2018-10-16 | 李培胜 | A kind of no magnetic leakage vertical coil receiver motor |
-
2012
- 2012-12-25 CN CN 201220722161 patent/CN203027475U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108668211A (en) * | 2017-04-01 | 2018-10-16 | 李培胜 | A kind of no magnetic leakage vertical coil receiver motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170120 Address after: The front road 215000 in Jiangsu province Suzhou city high tech Development Zone No. 299 Building 1 Patentee after: Suzhou Puliansi Electronic Technology Co.,Ltd. Address before: Suzhou City, Jiangsu province 215000 Yuen Suzhou high tech Industrial Development Zone, Road No. 209 Patentee before: SUZHOU HEARONIC ELECTRONICS |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20170308 Address after: Song Ling Zhen Wujiang District of Suzhou City, Jiangsu province 215299 Suzhou River Road No. 18 Patentee after: SUZHOU YICHUAN ACOUSTIC TECHNOLOGY Co.,Ltd. Address before: The front road 215000 in Jiangsu province Suzhou city high tech Development Zone No. 299 Building 1 Patentee before: Suzhou Puliansi Electronic Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: 368 Youyi Road, Babai friendship Industrial Zone, Songling Town, Wujiang District, Suzhou City, Jiangsu Province Patentee after: Suzhou Yiyi Electronic Technology Co.,Ltd. Address before: Song Ling Zhen Wujiang District of Suzhou City, Jiangsu province 215299 Suzhou River Road No. 18 Patentee before: SUZHOU YICHUAN ACOUSTIC TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215299 No. 168, Ludang Road, Jiangling street, Wujiang District, Suzhou City, Jiangsu Province (north of the original Lingyi Road) Patentee after: Suzhou Yiyi Technology Co.,Ltd. Address before: No. 368, Youyi Road, Bache Youyi Industrial Zone, Songling Town, Wujiang District, Suzhou City, Jiangsu Province Patentee before: Suzhou Yiyi Electronic Technology Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130626 |
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| CX01 | Expiry of patent term |