CN202841515U - Loudspeaker unit - Google Patents
Loudspeaker unit Download PDFInfo
- Publication number
- CN202841515U CN202841515U CN 201220541957 CN201220541957U CN202841515U CN 202841515 U CN202841515 U CN 202841515U CN 201220541957 CN201220541957 CN 201220541957 CN 201220541957 U CN201220541957 U CN 201220541957U CN 202841515 U CN202841515 U CN 202841515U
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- China
- Prior art keywords
- shell
- washer
- loudspeaker monomer
- phonate hole
- phonate
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Abstract
The utility model discloses a loudspeaker unit and relates to the technical field of electroacoustic products. The loudspeaker unit comprises a shell and a front cover integrally fastened with the shell. A vibrating system and a magnetic circuit system are held in a cavity enclosed by the shell and the front cover. The magnetic circuit system comprises a magnetism-conduction plate combined with the shell, and magnets and washers are sequentially arranged on the inner side of the magnetism-conduction plate. A plurality of sounding holes are reserved on the side wall of the shell and transversely penetrate through the same, and correspond to the washers in position. The loudspeaker unit solves the technical problems that an inner cavity of a shell of an existing loudspeaker unit is small in space, sounding efficiency of the existing loudspeaker unit is low and acoustic performance of the same is poor in the prior art. The loudspeaker unit has the advantages of large space of the inner cavity of the shell, high sounding efficiency and good acoustic performance.
Description
Technical field
The utility model relates to the electro-acoustic product technical field, particularly a kind of loudspeaker monomer.
Background technology
Along with the fast development of portable type electronic product, be widely used especially as the loudspeaker monomer of the important acoustical device in the portable type electronic product.Loudspeaker monomer generally includes vibrational system and the magnetic circuit system that is contained in the shell, and vibrational system comprises vibrating diaphragm and the voice coil loudspeaker voice coil that sets gradually; Magnetic circuit system comprises washer, magnet and the magnetic conductive board that sets gradually; Shell is provided with phonate hole, is used for to external transmission sound.The operation principle of loudspeaker monomer is to pass into alternating current to voice coil loudspeaker voice coil, moves reciprocatingly with respect to magnetic circuit system under the magnetic fields that magnetic circuit system produces, and voice coil loudspeaker voice coil drives vibrating diaphragm and vibrates together, and vibrating diaphragm is instigated air and sent corresponding sound.
The phonate hole of loudspeaker monomer vertically runs through the sidewall setting in the prior art, and this set structure of phonate hole just needs shell that thicker sidewall is arranged, and guarantee is provided with the intensity of the sidewall at phonate hole place.The loudspeaker monomer of this structure is in the situation that the certain inner space of overall dimension is less, this just needs corresponding size of dwindling each parts in the shell, dwindling of magnet can be played very large impact to the acoustical behavior of loudspeaker monomer in the magnetic circuit system: can cause the minimizing of magnetic flux, so that the active force that voice coil loudspeaker voice coil is subject in magnetic field reduces, thereby so that the phonation efficiency of loudspeaker monomer reduces, the whole acoustical behavior of loudspeaker monomer reduces; Be not lowered if want the performance that guarantees loudspeaker monomer, just need to enlarge the external dimensions of loudspeaker monomer, this is inapplicable present requirement to the loudspeaker monomer microminiaturization again.
The utility model content
Technical problem to be solved in the utility model provides a kind of loudspeaker monomer, and this loudspeaker monomer is not in the situation that enlarge the phonation efficiency that the loudspeaker monomer external dimensions can guarantee loudspeaker monomer and can not reduce, and whole acoustical behavior is high.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of loudspeaker monomer, comprise shell and fasten the protecgulum that is integrated with described shell, contain vibrational system and magnetic circuit system in the cavity that described shell and described protecgulum surround, described magnetic circuit system comprises the magnetic conductive board of being combined with described shell, the inboard of described magnetic conductive board is provided with magnet and washer successively, the sidewall of described shell is provided with some phonate holes that laterally run through described sidewall, and the position of described phonate hole is corresponding with the position of described washer.
As a kind of improvement, the position of the inboard corresponding described phonate hole of described sidewall is provided with interior extension slot, and described interior extension slot extends to an end of described shell and described protecgulum fastening from described phonate hole; The position of the corresponding described phonate hole in the outside of described sidewall is provided with the extension groove, and described extension groove extends to the end that described shell combines with described magnetic conductive board from described phonate hole, and described interior extension slot is communicated with by described phonate hole with described extension groove.
As further improvement, described shell is square, respectively is provided with a described phonate hole on four sidewalls of described shell.
As further improvement, the outer washer of the described washer side of comprising annular and be arranged at the interior washer of described outer washer inside, four sides of described outer washer respectively are provided with one and dodge groove, and the described groove of dodging is corresponding with described phonate hole.
As further improvement, described shell is square, respectively is provided with two described phonate holes on four sidewalls of described shell.
As further improvement, the outer washer of the described washer side of comprising annular and be arranged at the interior washer of described outer washer inside, four sides of described outer washer respectively are provided with one and dodge groove, and the described groove of dodging is simultaneously corresponding with described two phonate holes.
The beneficial effects of the utility model are: loudspeaker monomer involving vibrations system described in the utility model and magnetic circuit system, magnetic circuit system comprises the magnetic conductive board of being combined with shell, the inboard of magnetic conductive board is provided with magnet and washer successively, the sidewall of shell is provided with some phonate holes that laterally run through sidewall, and the position of phonate hole is corresponding with the position of washer.Because phonate hole is laterally to run through sidewall to arrange; the structure that vertically runs through sidewall with phonate hole in the prior art is compared; the utility model loudspeaker monomer does not need shell to have thicker sidewall namely can reach the intensity that inner each parts are played a protective role; so in the constant situation of the external dimensions of loudspeaker monomer, can enlarge the inner space of shell; can increase accordingly the size of inner each parts; the size that comprises magnet; magnet size increases and has namely increased the magnetic saturation zone; increased magnetic flux; and then increased the suffered magnetic fields power of voice coil loudspeaker voice coil; improved the phonation efficiency of loudspeaker monomer, so that the whole acoustical behavior of loudspeaker monomer is improved.
Because the position of the inboard corresponding phonate hole of sidewall is provided with interior extension slot, the position of the corresponding phonate hole in the outside of sidewall is provided with the extension groove, and interior extension slot is communicated with by phonate hole with the extension groove.Interior extension slot and extension groove the transmission channel that has enlarged sound is set, can increase the laser propagation effect of sound, further improved the acoustical behavior of loudspeaker monomer.
Dodge groove because the position of corresponding each phonate hole of outer washer is equipped with, dodge the further transmission channel that enlarges sound of arranging of groove, further increased the laser propagation effect of sound, further improved the acoustical behavior of loudspeaker monomer.
In sum, it is little that the utility model loudspeaker monomer has solved in the prior art loudspeaker monomer shell inner cavity space, and phonation efficiency is low, the technical problem that acoustical behavior is poor.The utility model loudspeaker monomer shell inner cavity space is large, and phonation efficiency is high, and acoustical behavior is good.
Description of drawings
Fig. 1 is the stereo decomposing structural representation of the utility model loudspeaker monomer embodiment one;
Fig. 2 is the cross-sectional view of the utility model loudspeaker monomer embodiment one;
Fig. 3 is the internal structure schematic diagram of the utility model loudspeaker monomer embodiment one;
Fig. 4 is the external structure schematic diagram of the utility model loudspeaker monomer embodiment one;
Fig. 5 is the internal structure schematic diagram of the utility model loudspeaker monomer embodiment two;
Fig. 6 is the external structure schematic diagram of the utility model loudspeaker monomer embodiment two;
Among the figure: 11, protecgulum, 12, shell, 121, phonate hole, 122, interior extension slot, 123, the extension groove, 21, outer vibrating diaphragm, 22, interior vibrating diaphragm, 23, voice coil loudspeaker voice coil, 24, lead-in wire, 3, centring disk, 31, center drilling, 411, outer washer, 4111, dodge groove, 412, interior washer, 421, external magnet, 422, internal magnet, 43, magnetic conductive board, 5, electric connecting part.
Embodiment
Below in conjunction with drawings and Examples, further set forth the utility model.
Embodiment one:
Such as Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4 are common, a kind of loudspeaker monomer, comprise shell 12 and fasten the protecgulum 11 that is integrated with shell 12, contain vibrational system and magnetic circuit system in the cavity that shell 12 and protecgulum 11 surround, vibrational system comprises the vibrating diaphragm that sets gradually, centring disk 3 and voice coil loudspeaker voice coil 23, magnetic circuit system comprises the magnetic conductive board 43 with shell 12 combinations, the inboard of magnetic conductive board 43 is provided with magnet and washer successively, shell 12 is square, respectively be provided with a phonate hole 121 that laterally runs through sidewall on four sidewalls of shell 12, the position of phonate hole 121 is corresponding with the position of washer.Because phonate hole 121 is laterally to run through sidewall to arrange; the structure that vertically runs through sidewall with phonate hole in the prior art is compared; the utility model loudspeaker monomer does not need shell 12 to have thicker sidewall namely can reach the intensity that inner each parts are played a protective role; so in the constant situation of the external dimensions of loudspeaker monomer, can enlarge the inner space of shell 12; can increase accordingly the size of inner each parts; the size that comprises magnet; magnet size increases and has namely increased the magnetic saturation zone; increased magnetic flux; and then increased the suffered magnetic fields power of voice coil loudspeaker voice coil 23; improved the phonation efficiency of loudspeaker monomer, so that the whole acoustical behavior of loudspeaker monomer is improved.
The position of the inboard corresponding phonate hole 121 of sidewall is provided with interior extension slot 122, and interior extension slot 122 extends to an end of shell 12 and protecgulum 11 fastenings from phonate hole 121; The position of the corresponding phonate hole 121 in the outside of sidewall is provided with extension groove 123, and extension groove 123 extends to the end that shell 12 combines with magnetic conductive board 43 from phonate hole 121, and interior extension slot 122 is communicated with by phonate hole 121 with extension groove 123.Interior extension slot 122 and extension groove 123 the transmission channel that has enlarged sound is set, can increase the laser propagation effect of sound, further improved the acoustical behavior of loudspeaker monomer.
Washer in the magnetic circuit system is near the vibrational system setting, and and vibrational system between be separated with certain space, the outer washer 411 of the washer side of comprising annular and be arranged at the interior washer 412 of outer washer 411 inside, four sides of outer washer 411 respectively are provided with one and dodge groove 4111, dodge groove 4111 corresponding with phonate hole 121.Dodge the further transmission channel that enlarges sound of arranging of groove 4111, further increased the laser propagation effect of sound, further improved the acoustical behavior of loudspeaker monomer.
The both sides of the magnet in the magnetic circuit system are respectively arranged with washer and magnetic conductive board 43, and magnetic conductive board 43 is incorporated on the shell 12.The external magnet 421 of the magnet side of comprising annular and be arranged at the internal magnet 422 of external magnet 421 inside, internal magnet 422 and interior washer 412 form internal magnetic circuit, external magnet 421 and outer washer 411 form external magnetic circuit, be formed with magnetic gap between internal magnetic circuit and the external magnetic circuit, one end of voice coil loudspeaker voice coil 23 inserts in the magnetic gap, and move reciprocatingly along the bearing of trend of magnetic gap, thereby drive the vibrating diaphragm vibration, send corresponding sound.
Vibrating diaphragm comprises the outer vibrating diaphragm 21 of the annular of being made by flexible material and is arranged at the interior vibrating diaphragm 22 of outer vibrating diaphragm 21 inside, and the material of interior vibrating diaphragm 22 is rigid material; The middle part of centring disk 3 is provided with center drilling 31, and voice coil loudspeaker voice coil 23 is provided with a lead-in wire end of 24 and is arranged in the center drilling 31 and with interior vibrating diaphragm 22 and supports mutually.Because interior vibrating diaphragm 22 adopts rigid material, can play good supporting role to voice coil loudspeaker voice coil 23, damages vibrating diaphragm in the time of can preventing voice coil loudspeaker voice coil 23 vibration, guarantees the acoustical behavior of loudspeaker monomer; Because centring disk 3 middle parts are provided with center drilling 31, voice coil loudspeaker voice coil 23 is located in the center drilling 31, lead-in wire 24 on the voice coil loudspeaker voice coil 23 can pass and be welded on the side that centring disk 3 is provided with vibrating diaphragm from center drilling 31, when vibrating, vibrational system just the phenomenon that solder joint and magnetic circuit system bump can not occur, thereby can not produce noise, improve the acoustic efficiency of loudspeaker monomer; Because voice coil loudspeaker voice coil 23 is located in the center drilling 31, can be so that voice coil loudspeaker voice coil 23 have prolonged the length that equates with the thickness of centring disk 3, thereby increased the active force in the suffered magnetic field of voice coil loudspeaker voice coil 23, increased amplitude, improved phonation efficiency, and voice coil loudspeaker voice coil 23 can not bump with magnetic circuit system when vibration, has improved the acoustical behavior of loudspeaker monomer, has prolonged simultaneously the useful life of loudspeaker monomer.
Centring disk 3 is the resilient sheet-like member, and centring disk 3 is provided with for the circuit structure that connects voice coil loudspeaker voice coil 23 and external circuit, centring disk 3 is electrically connected with external circuit by electric connecting part 5, is used for to voice coil loudspeaker voice coil 23 indirect currents, can adopt flexible printed circuit board to be used as centring disk 3.
Embodiment two:
Shown in Fig. 5 and Fig. 6 are common, a kind of loudspeaker monomer, its structure and embodiment one are basic identical, and its difference is:
Respectively be provided with two phonate holes 121 on four sidewalls of shell 12.Four sides of outer washer 411 respectively are provided with one and dodge groove 4111, dodge groove 4111 simultaneously be arranged on same sidewall on two phonate holes 121 corresponding.
The utility model is not limited to above-mentioned concrete execution mode, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, all conversion of having done all drop within the protection range of the present utility model.
Claims (6)
1. loudspeaker monomer, comprise shell and fasten the protecgulum that is integrated with described shell, contain vibrational system and magnetic circuit system in the cavity that described shell and described protecgulum surround, described magnetic circuit system comprises the magnetic conductive board of being combined with described shell, the inboard of described magnetic conductive board is provided with magnet and washer successively, it is characterized in that: the sidewall of described shell is provided with some phonate holes that laterally run through described sidewall, and the position of described phonate hole is corresponding with the position of described washer.
2. loudspeaker monomer according to claim 1, it is characterized in that: the position of the inboard corresponding described phonate hole of described sidewall is provided with interior extension slot, and described interior extension slot extends to the end that described shell and described protecgulum fasten from described phonate hole; The position of the corresponding described phonate hole in the outside of described sidewall is provided with the extension groove, and described extension groove extends to the end that described shell combines with described magnetic conductive board from described phonate hole, and described interior extension slot is communicated with by described phonate hole with described extension groove.
3. loudspeaker monomer according to claim 1 and 2, it is characterized in that: described shell is square, respectively is provided with a described phonate hole on four sidewalls of described shell.
4. loudspeaker monomer according to claim 3, it is characterized in that: the outer washer of the described washer side of comprising annular and be arranged at the interior washer of described outer washer inside, four sides of described outer washer respectively are provided with one and dodge groove, and the described groove of dodging is corresponding with described phonate hole.
5. loudspeaker monomer according to claim 1 and 2, it is characterized in that: described shell is square, respectively is provided with two described phonate holes on four sidewalls of described shell.
6. loudspeaker monomer according to claim 5, it is characterized in that: the outer washer of the described washer side of comprising annular and be arranged at the interior washer of described outer washer inside, four sides of described outer washer respectively are provided with one and dodge groove, and the described groove of dodging is simultaneously corresponding with described two phonate holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220541957 CN202841515U (en) | 2012-10-20 | 2012-10-20 | Loudspeaker unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220541957 CN202841515U (en) | 2012-10-20 | 2012-10-20 | Loudspeaker unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202841515U true CN202841515U (en) | 2013-03-27 |
Family
ID=47953101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220541957 Expired - Lifetime CN202841515U (en) | 2012-10-20 | 2012-10-20 | Loudspeaker unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202841515U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104469631A (en) * | 2014-10-24 | 2015-03-25 | 余德权 | Bone conduction loudspeaker and manufacturing method thereof |
| CN104469630A (en) * | 2014-10-24 | 2015-03-25 | 余德权 | Coil and magnet loudspeaker and manufacturing method thereof |
| CN104768088A (en) * | 2015-03-18 | 2015-07-08 | 歌尔声学股份有限公司 | Loudspeaker module and electronic product |
| WO2016086758A1 (en) * | 2014-12-02 | 2016-06-09 | 歌尔声学股份有限公司 | Miniature loudspeaker |
| CN106535070A (en) * | 2016-12-28 | 2017-03-22 | 歌尔股份有限公司 | Micro sounder |
| CN115175072A (en) * | 2022-05-07 | 2022-10-11 | 深圳市盛佳丽电子有限公司 | Square full-frequency 180-degree sounding horn |
-
2012
- 2012-10-20 CN CN 201220541957 patent/CN202841515U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104469631A (en) * | 2014-10-24 | 2015-03-25 | 余德权 | Bone conduction loudspeaker and manufacturing method thereof |
| CN104469630A (en) * | 2014-10-24 | 2015-03-25 | 余德权 | Coil and magnet loudspeaker and manufacturing method thereof |
| WO2016086758A1 (en) * | 2014-12-02 | 2016-06-09 | 歌尔声学股份有限公司 | Miniature loudspeaker |
| US10104476B2 (en) | 2014-12-02 | 2018-10-16 | Goertek Inc. | Miniature loudspeaker |
| CN104768088A (en) * | 2015-03-18 | 2015-07-08 | 歌尔声学股份有限公司 | Loudspeaker module and electronic product |
| US10334353B2 (en) | 2015-03-18 | 2019-06-25 | Goertek Inc. | Loudspeaker module and electronic product |
| CN106535070A (en) * | 2016-12-28 | 2017-03-22 | 歌尔股份有限公司 | Micro sounder |
| CN115175072A (en) * | 2022-05-07 | 2022-10-11 | 深圳市盛佳丽电子有限公司 | Square full-frequency 180-degree sounding horn |
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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. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
|
| CX01 | Expiry of patent term |