CN204377129U - Sound-producing device - Google Patents
Sound-producing device Download PDFInfo
- Publication number
- CN204377129U CN204377129U CN201420865988.3U CN201420865988U CN204377129U CN 204377129 U CN204377129 U CN 204377129U CN 201420865988 U CN201420865988 U CN 201420865988U CN 204377129 U CN204377129 U CN 204377129U
- Authority
- CN
- China
- Prior art keywords
- sound
- producing device
- conductive part
- magnetic conductive
- voice coil
- 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.)
- Active
Links
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a kind of sound-producing device, comprise auxiliary system, be contained in magnetic circuit system and the vibrational system of described auxiliary system, described vibrational system comprises the voice coil loudspeaker voice coil and vibrating diaphragm that are combined as a whole, described magnetic circuit system comprises centring magnet and magnetic conductive part, described centring magnet is fixed on described magnetic conductive part away from described vibrational system side, described magnetic circuit system is provided with magnetic gap, described voice coil loudspeaker voice coil is arranged in described magnetic gap, and: the corresponding described magnetic gap position of described magnetic conductive part is provided with the phonate hole of through described magnetic conductive part.The utility model sound-producing device has the good advantage of acoustical behavior.
Description
Technical field
The utility model relates to electroacoustic field, especially relates to the sound-producing device that a kind of acoustical behavior is good.
Background technology
Along with the expansion in consumer electronics market, the consumer electronics products such as a large amount of mobile phone, notebook computer are extensively promoted, and sound-producing device is used widely as acoustic element important in consumer electronics product.Along with the raising that consumer electronics product quality is pursued, the acoustical behavior of sound-producing device more and more receives the concern of people.Therefore, the emphasis that sound-producing device acoustical behavior becomes industry research how is improved.
Utility model content
Technical problem to be solved in the utility model is to provide the good sound-producing device of a kind of acoustical behavior.
To achieve these goals, the utility model is by the following technical solutions:
Sound-producing device, comprise auxiliary system, be contained in magnetic circuit system and the vibrational system of described auxiliary system, described vibrational system comprises voice coil loudspeaker voice coil and the vibrating diaphragm of secure bond, described magnetic circuit system comprises centring magnet and magnetic conductive part, and described centring magnet is fixed on described magnetic conductive part away from described vibrational system side, and described magnetic circuit system is provided with magnetic gap, described voice coil loudspeaker voice coil is arranged in described magnetic gap, and: the corresponding described magnetic gap position of described magnetic conductive part is provided with the phonate hole of through described magnetic conductive part.
As a kind of preferred version: described phonate hole is multiple, described multiple phonate hole is symmetrical about described centring magnet.
As a kind of preferred version: described phonate hole is just arranged described voice coil loudspeaker voice coil.
Preferred as above scheme, described phonate hole width is corresponding with described magnetic gap width.
Preferred as above scheme, described magnetic conductive part is provided with depression away from the corresponding described phonate hole in outside of described centring magnet.
As further preferred, be provided with damping in described depression, described damping covers described phonate hole.As further preferred, described damping is adhesively fixed by glue-line and described magnetic conductive part.As further preferred version, concordant with outside described magnetic conductive part outside described damping.
As preferred technical scheme, described magnetic circuit system also comprises limit magnet, and described limit magnet is arranged at the marginal position of described centring magnet, and between described limit magnet and described centring magnet, gap is magnetic gap.
As preferred technical scheme, described auxiliary system comprises shell, and described sound-producing device is square structure, and described shell corresponds to square structure, and the corresponding described shell in described magnetic conductive part corner is provided with dodges, and described magnetic conductive part corner coordinates formation to let out acoustic aperture with shell.
The utility model sound-producing device, sets out acoustic aperture in the corresponding magnetic gap position of magnetic conductive part, can ensure out sound effective value, making full use of magnetic gap locational space, increasing magnetic circuit system volume, improving the acoustical behavior of sound-producing device when expanding magnetic circuit system volume.
Go out phono-equalizer unit in order to what ensure phonate hole, improve sound-producing device acoustical behavior further, phonate hole is multiple, and the position that multiple phonate hole is arranged at magnetic gap is symmetrical about centring magnet.Phonate hole width is corresponding with magnetic gap width, can maximize acoustic aperture.Phonate hole is arranged at the below of the corresponding voice coil loudspeaker voice coil of magnetic gap, effectively can reduce THD low frequency and odd harmonic distortion spike, significantly improve subjective audition performance, improve tonequality.When installing to prevent sound-producing device, phonate hole is blocked by miscellaneous part, and magnetic conductive part is provided with depression away from the corresponding phonate hole position, outside of centring magnet.In order to prevent dust foreign material from entering interiors of products, be provided with damping in depression, damping covers phonate hole.In order to improve damping with magnetic conductive part in conjunction with firmness, damping is adhesively fixed by glue-line and magnetic conductive part.In order to not increase sound-producing device thickness, be convenient to sound-producing device slimming design, concordant with outside magnetic conductive part outside damping.When sound-producing device is square structure, four bight magnetic conductive parts of square structure and shell coordinate formation to let out acoustic aperture, let out acoustic aperture for these four and arrange in pairs or groups with the phonate hole being arranged at magnetic gap position, effectively can improve harmonic distortion, improve the acoustical behavior of sound-producing device.
To sum up, the utility model sound-producing device has the good advantage of acoustical behavior.
Accompanying drawing explanation
Fig. 1 is the stereogram of the utility model specific embodiment;
Fig. 2 is the exploded view of sound-producing device shown in Fig. 1;
Fig. 3 is Figure 1A-part A cutaway view;
Fig. 4 is I magnified partial view in Fig. 3;
Fig. 5 is the magnetic circuit system of sound-producing device shown in Fig. 1 schematic diagram;
Fig. 6 is the stereogram of magnetic conductive part shown in Fig. 1;
Fig. 7 is the part-structure of sound-producing device shown in Fig. 1 schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, describe the utility model content in detail:
As shown in Figures 1 and 2, the utility model sound-producing device, comprises auxiliary system, vibrational system and magnetic circuit system, and auxiliary system comprises protecgulum 11 and shell 12, and protecgulum 11 coordinates the cavity being formed and accommodate fixing vibrational system and magnetic circuit system with shell 12.Vibrational system comprises the composite bed 21 that secure bond is integrated, vibrating diaphragm 22 and voice coil loudspeaker voice coil 23; Magnetic circuit system comprises magnetic conductive part 33, the centring magnet 31a being fixed on magnetic conductive part 33 center and the limit magnet 32a arranged around centring magnet 31a; Centring magnet 31a and limit magnet 32a is all arranged on magnetic conductive part 33, as depicted in figs. 3 and 5, magnetic gap 3 ' is provided with between centring magnet 31a and limit magnet 32a, as shown in Figure 2, centring magnet 31a and limit magnet 32a is respectively arranged with center washer 31b and limit washer 32b near vibrational system side, center washer 31b and limit washer 32b can revise the magnetic line of force, improves the magnetic flux in magnetic gap 3 '; Voice coil loudspeaker voice coil 23 is arranged in magnetic gap 3 ', and voice coil loudspeaker voice coil 23 is electrically connected with electrical connector 4, and voice coil loudspeaker voice coil 23 is electrically coupled by electrical connector 4 and external circuit.During the work of the utility model sound-producing device, the curent change in voice coil loudspeaker voice coil 23, the voice coil loudspeaker voice coil 23 be arranged in magnetic gap 3 ' is subject to the effect of Lorentz force and up-down vibration, drives vibrating diaphragm 22 vibration sounding.
As shown in Fig. 3, Fig. 5, Fig. 6 and Fig. 7, the utility model sound-producing device, magnetic conductive part 33 corresponding magnetic gap 3 ' position is provided with the phonate hole 7a of through magnetic conductive part 33a.The phonate hole 7a being arranged at magnetic gap 3 ' position ensureing to increase magnetic circuit system volume under the prerequisite of speaking as far as possible, can make full use of the space of magnetic gap position, improves the acoustical behavior of sound-producing device.As shown in Figures 5 to 7, the sound-producing device of the present embodiment, the phonate hole 7a being arranged at magnetic gap 3 ' is two, and two phonate hole 7a are symmetrical arranged about centring magnet 31a, it is identical that symmetrically arranged phonate hole 7a can make centring magnet 31a both sides go out sound effective value, improves sound-producing device acoustical behavior.In actual application, the quantity of phonate hole 7a can be increased, but should ensure that multiple phonate hole 7a is symmetrical about centring magnet 31a, identical to ensure that centring magnet 31a both sides go out sound effective value, ensure sound-producing device acoustical behavior.As shown in Figure 3, as a kind of preferred version, the sound-producing device of the present embodiment, phonate hole 7a is just arranged voice coil loudspeaker voice coil 23, and in order to maximize phonate hole 7a, as shown in Figure 5, the width d of phonate hole 7a is identical with the width d of magnetic gap 3 '.The utility model sound-producing device, magnetic conductive part 7 is just provided with phonate hole 7a to voice coil position, can reduce THD low frequency and odd harmonic distortion spike, significantly improves subjective audition performance, improves tonequality.Certainly, present embodiment is only the preferred of the utility model sound-producing device, and the protection range of the utility model sound-producing device is as the criterion with claim 1.
Composition graphs 3 and Fig. 6, the sound-producing device of the present embodiment, magnetic conductive part 33 is provided with depression 33a away from the corresponding phonate hole 7a position, outside of centring magnet 31a, as shown in Figure 6,33a is for extend to phonate hole 7a position from magnetic conductive part 33 edge for depression, when can ensure to contact with miscellaneous part outside magnetic conductive part 33, phonate hole 7a is communicated with space outerpace, avoids phonate hole 7a blocked.As shown in Figures 3 and 4, in order to avoid dust and other impurities enters sound-producing device inside, be provided with damping 6 in depression 33a, damping 6 covers phonate hole 7a; Damping 6 is screen cloth hole structure, can ensure that sound passes and effectively dust-proof.As shown in Figure 4, be adhesively fixed by colloid 5 between damping 6 and magnetic conductive part 33, to improve the firmness that damping 6 is combined with magnetic conductive part 33.In order to improve the slimming design of sound-producing device, as shown in Figures 1 and 3, concordant outside other positions outside damping 6 with magnetic conductive part 33 except recessed position.
As shown in figures 2 and 5, the sound-producing device of the present embodiment, magnetic circuit system includes limit magnet 32a, in actual applications, limit magnet 32a number can be 4 pieces or only be made up of with centring magnet 31a magnetic conductive part 33, does not all affect the utility model sound-producing device advantage applies.As shown in Fig. 1 and Fig. 7, the sound-producing device of the present embodiment is square structure, as shown in Figure 7, shell 12 corresponds to square structure, the corresponding shell in corner of magnetic conductive part 33 is provided with dodges, and magnetic conductive part 33 4 angles coordinate formation four to let out acoustic aperture 7b with shell 12, let out acoustic aperture 7b for four and coordinate with phonate hole 7a, effectively can improve the harmonic distortion of sound-producing device, improve the acoustical behavior of sound-producing device.
In summary, the utility model sound-producing device has the good advantage of acoustical behavior.
These are only the utility model case study on implementation, be not limited to the utility model, as long as those of ordinary skill in the art modify or change according to the equivalence that the utility model institute disclosure is done, all should include in the protection range recorded in claims.
Claims (10)
1. sound-producing device, comprise auxiliary system, be contained in magnetic circuit system and the vibrational system of described auxiliary system, described vibrational system comprises voice coil loudspeaker voice coil and the vibrating diaphragm of secure bond, described magnetic circuit system comprises centring magnet and magnetic conductive part, described centring magnet is fixed on described magnetic conductive part away from described vibrational system side, described magnetic circuit system is provided with magnetic gap, described voice coil loudspeaker voice coil is arranged in described magnetic gap, it is characterized in that: the corresponding described magnetic gap position of described magnetic conductive part is provided with the phonate hole of through described magnetic conductive part.
2. sound-producing device according to claim 1, is characterized in that: described phonate hole is multiple, and described multiple phonate hole is symmetrical about described centring magnet.
3. sound-producing device according to claim 1, is characterized in that: described phonate hole is just arranged described voice coil loudspeaker voice coil.
4. the sound-producing device according to the arbitrary claim of claims 1 to 3, is characterized in that: described phonate hole width is corresponding with described magnetic gap width.
5. the sound-producing device according to the arbitrary claim of claims 1 to 3, is characterized in that: described magnetic conductive part is provided with depression away from the corresponding described phonate hole in outside of described centring magnet.
6. sound-producing device according to claim 5, is characterized in that: be provided with damping in described depression, and described damping covers described phonate hole.
7. sound-producing device according to claim 6, is characterized in that: described damping is adhesively fixed by glue-line and described magnetic conductive part.
8. the sound-producing device according to claim 6 or 7, is characterized in that: concordant with outside described magnetic conductive part outside described damping.
9. sound-producing device according to claim 1, is characterized in that: described magnetic circuit system also comprises limit magnet, and described limit magnet is arranged at the marginal position of described centring magnet, and between described limit magnet and described centring magnet, gap is magnetic gap.
10. sound-producing device according to claim 1, it is characterized in that: described auxiliary system comprises shell, described sound-producing device is square structure, described shell corresponds to square structure, the corresponding described shell in described magnetic conductive part corner is provided with dodges, and described magnetic conductive part corner coordinates formation to let out acoustic aperture with shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865988.3U CN204377129U (en) | 2014-12-31 | 2014-12-31 | Sound-producing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865988.3U CN204377129U (en) | 2014-12-31 | 2014-12-31 | Sound-producing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204377129U true CN204377129U (en) | 2015-06-03 |
Family
ID=53333304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420865988.3U Active CN204377129U (en) | 2014-12-31 | 2014-12-31 | Sound-producing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204377129U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016107307A1 (en) * | 2014-12-31 | 2016-07-07 | 歌尔声学股份有限公司 | Sound device |
| CN107529119A (en) * | 2017-10-18 | 2017-12-29 | 佛山市蓝瑞欧特信息服务有限公司 | A kind of novel horn |
| CN107547999A (en) * | 2017-10-18 | 2018-01-05 | 佛山市蓝瑞欧特信息服务有限公司 | Electromagnetism interference loudspeaker |
-
2014
- 2014-12-31 CN CN201420865988.3U patent/CN204377129U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016107307A1 (en) * | 2014-12-31 | 2016-07-07 | 歌尔声学股份有限公司 | Sound device |
| CN107529119A (en) * | 2017-10-18 | 2017-12-29 | 佛山市蓝瑞欧特信息服务有限公司 | A kind of novel horn |
| CN107547999A (en) * | 2017-10-18 | 2018-01-05 | 佛山市蓝瑞欧特信息服务有限公司 | Electromagnetism interference loudspeaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10924865B2 (en) | Speaker | |
| US10356530B2 (en) | Electronic device and loudspeaker thereof | |
| CN205029868U (en) | Loudspeaker unit | |
| JP6276352B2 (en) | speaker | |
| CN104954954A (en) | Loudspeaker device | |
| CN105282665B (en) | Microspeaker | |
| CN206865742U (en) | A kind of ultrathin loudspeaker | |
| CN204669603U (en) | A kind of two diaphragm loudspeaker | |
| CN204377129U (en) | Sound-producing device | |
| CN104581566A (en) | Sound generating device | |
| CN203027481U (en) | Piezoelectric speaker | |
| CN103096226A (en) | Piezoelectric loudspeaker | |
| CN203708466U (en) | Loudspeaker | |
| CN204616087U (en) | Microspeaker | |
| CN204442664U (en) | Microspeaker | |
| CN204539465U (en) | Speaker unit | |
| CN202818585U (en) | Double-sided acoustic radiation loudspeaker | |
| CN204697287U (en) | Piezoelectric speaker | |
| CN204442669U (en) | Speaker unit | |
| CN203590449U (en) | Loudspeaker device | |
| CN205232449U (en) | Loudspeaker unit | |
| CN204119502U (en) | Sound-producing device | |
| CN203387664U (en) | Sounding device | |
| CN204697280U (en) | Vibrating speaker | |
| CN204119494U (en) | Speaker unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |