CN204697249U - Micro-telephone receiver - Google Patents
Micro-telephone receiver Download PDFInfo
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- CN204697249U CN204697249U CN201520363967.6U CN201520363967U CN204697249U CN 204697249 U CN204697249 U CN 204697249U CN 201520363967 U CN201520363967 U CN 201520363967U CN 204697249 U CN204697249 U CN 204697249U
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Abstract
The utility model discloses a kind of micro-telephone receiver, comprise magnetic circuit system, vibrational system and auxiliary system, the protecgulum that auxiliary system comprises shell and matches with shell, the surface conjunction of side wall of outer shell has magnetic screen sheet, magnetic screen sheet comprises polymer material layer, polymer material layer surface conjunction has the coat of metal, and magnetic screen sheet and shell bond fixing.Micro-telephone receiver of the present utility model, effectively can reduce the leakage field of micro-telephone receiver, thus greatly weakens it to the impact of antenna in the terminal installations such as mobile phone with the first-class component capabilities of shooting, can not affect the performance of micro-telephone receiver product itself simultaneously.
Description
Technical field
The utility model relates to electroacoustic field, is specifically related to a kind of micro-telephone receiver.
Background technology
Receiver is a kind of can be the electro-acoustic element of acoustical signal by transform electrical signals, can realize the playback of audio frequency.Usually said receiver refers to moving coil receiver, its operation principle is similar to traditional coil-moving speaker, generally comprise magnetic circuit system, vibrational system and auxiliary system, wherein, magnetic circuit system comprises frame, magnet and washer, vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil, and auxiliary system then comprises protecgulum and shell.Owing to there is magnet in receiver monomer, there will be leakage field in various degree, can have a huge impact the antenna of the terminal installations such as the mobile phone assembled with it and camera performance, particularly when micro-telephone receiver is three magnetic structures, or when the distance of the camera in the terminal installations such as mobile phone and antenna and micro-telephone receiver is very near, the magnetic disturbance produced because of receiver leakage field just becomes particularly serious.
At present, the attention rate for above-mentioned receiver leakage field phenomenon grows with each passing day, and in order to address this problem, by carrying out magnetic screen in conjunction with SPCC sheet on shell in prior art, but SPCC sheet and shell are also not easily realized by the cementing process of fixing of carrying out boning.Therefore, need to provide a kind of and can effectively shield receiver leakage field and the technical scheme that more easily realizes of technique, to shield the magnetic disturbance of receiver to terminal installation miscellaneous part.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of micro-telephone receiver, effectively can shield magnetic disturbance, solves the problem affecting terminal installation miscellaneous part performance because of receiver leakage field.
To achieve these goals, the utility model by the following technical solutions: a kind of micro-telephone receiver, comprises magnetic circuit system, vibrational system and auxiliary system; The protecgulum that described auxiliary system comprises shell and matches with described shell, wherein, the surface conjunction of described side wall of outer shell has magnetic screen sheet; Described magnetic screen sheet comprises polymer material layer; Described polymer material layer surface conjunction has the coat of metal; Described magnetic screen sheet and described shell bond fixing.
Improve as one, between described magnetic screen sheet and described side wall of outer shell, be provided with glue-line; The sidewall of described magnetic screen sheet and described shell bonds fixing by described glue-line.
Improve as one, described polymer material layer is the material with certain degree of hardness and rigidity; The described coat of metal is can the material of magnetic conduction, is taken shape in the surface of described polymer material layer by electroplating technology.
Improve as one, described polymer material layer is PEN material layer; The described coat of metal is nickel coating.
Improve as one, described magnetic screen sheet is rectangle or annular, is incorporated into the major axis sidewall of described shell and/or the surface of minor axis sidewall.
Improve as one, described magnetic screen sheet is rectangular configuration, is incorporated into the surface of the major axis sidewall of described shell.
Improve as one, described magnetic screen sheet is integral type structure, comprise be positioned at described major axis sidewall one end the first shielding part, be positioned at the secondary shielding portion of the described major axis sidewall other end and connect the microscler connecting portion in described first shielding part and described secondary shielding portion.
Improve as one, described magnetic screen sheet is split-type structural, comprises the first shielding part being positioned at described major axis sidewall one end and the secondary shielding portion being positioned at the described major axis sidewall other end.
Improve as one, the surface conjunction of the major axis sidewall of described shell has the first magnetic screen sheet, and the surface conjunction of described minor axis sidewall has the second magnetic screen sheet; Described first magnetic screen sheet is integral type rectangular configuration, comprise be positioned at described major axis sidewall one end the first shielding part, be positioned at the secondary shielding portion of the described major axis sidewall other end and connect the microscler connecting portion in described first shielding part and described secondary shielding portion; Described second magnetic screen sheet is rectangular configuration.
Improve as one, described magnetic circuit system comprises frame, is fixed on the magnet in described frame and is covered in the washer of described magnet surface; Described vibrational system comprises vibrating diaphragm and to bond fixing voice coil loudspeaker voice coil with described vibrating diaphragm; The centre position of described vibrating diaphragm is combined with reinforcement part.
Compared to existing technologies, micro-telephone receiver of the present utility model, the surface conjunction of shell has magnetic screen sheet, this magnetic screen sheet comprises polymer material layer, polymer material layer surface conjunction has the coat of metal, and magnetic screen sheet and shell bond fixing, this kind of structural design by arranging magnet shielding structure on shell, and according to the real needs of product magnetic leakage shielding, the shape of appropriate design shielding sheet, thickness of coating and distributing position etc., thus the leakage field of product can be reduced largely by magnetic screen principle, thus greatly weaken it to the impact of antenna with the first-class component capabilities of shooting, more wide space is provided to the design of the terminal installations such as mobile phone, bring loss to the performance of micro-telephone receiver product itself simultaneously, in addition, in this technical scheme, between magnetic screen sheet and side wall of outer shell, be provided with glue-line, bonding for magnetic screen sheet and side wall of outer shell is fixed, and compared to SPCC sheet, the adjustment of this programme to thickness more easily realizes, the collocation of different-thickness can be met, fixing also convenient with the bonding of shell, moreover the magnetic screen sheet in the technical program is preferably PEN (PEN) nickel plating sheet, and the magnetic property of metallic nickel is good, and be convenient to plating, the production cost of product can not be caused significantly to rise.Therefore, each side factors such as integrated cost, technique effect, operating procedure, micro-telephone receiver product of the present utility model can be applicable in receiver, loud speaker and other association areas or industry.
Accompanying drawing explanation
Fig. 1 is the explosive view of the utility model micro-telephone receiver structure;
Fig. 2 is the schematic appearance of the utility model embodiment one micro-telephone receiver structure;
Fig. 3 is the schematic appearance of the utility model embodiment two micro-telephone receiver structure;
Fig. 4 is the schematic appearance of the utility model embodiment three micro-telephone receiver structure;
Reference numeral wherein comprises: 1, frame, and 2, magnet, 3, washer, 4, vibrating diaphragm, 5, voice coil loudspeaker voice coil, 6, reinforcement part, 7, protecgulum, 8, shell, 9, magnetic screen sheet, the 91, first shielding part, 92, secondary shielding portion, 10, shell fragment, 11, damping, 12, magnetic screen sheet, the 121, first shielding part, 122, secondary shielding portion, 123, connecting portion, 13, magnetic screen sheet, 13a, the first magnetic screen sheet, 13b, the second magnetic screen sheet, 131, the first shielding part, 132, secondary shielding portion, 133, connecting portion.
Embodiment
Below in conjunction with accompanying drawing, describe the utility model content in detail:
Embodiment one:
Consult shown in Fig. 1, shown in present embodiment is a kind of micro-telephone receiver of single magnetic structure, it comprises magnetic circuit system, vibrational system and auxiliary system, specifically, magnetic circuit system comprises frame 1, magnet 2 and washer 3, during enforcement, magnet 2 and frame 1 bond fixing, and washer 3 is then attached at the surface of magnet 2.Vibrational system comprises vibrating diaphragm 4 and to bond fixing voice coil loudspeaker voice coil 5 with vibrating diaphragm 4, and in order to strengthen the acoustical behavior of product at high frequency treatment, the centre position of vibrating diaphragm 4 is often combined with reinforcement part 6.The protecgulum 7 that the auxiliary system of micro-telephone receiver comprises shell 8 and matches with shell 8, wherein, on shell 8, injection moulding is combined with the shell fragment 10 as electric connection structure, by the lead-in wire of voice coil loudspeaker voice coil 5 and external circuit conducting, like this, the current signal of external circuit can be passed to voice coil loudspeaker voice coil 7, after voice coil loudspeaker voice coil 7 receives AC signal, can do the motion of the reciprocating cutting magnetic line of force under the effect of electromagnetic field, drive is attached thereto the vibrating diaphragm 4 connect and vibrates.In addition, the sidewall of shell 8 is also provided with acoustic aperture, the surface of acoustic aperture has been sticked damping 11, and damping 11 can be used for dust-proof.
Consult shown in Fig. 2, micro-telephone receiver shown in present embodiment, the surface conjunction of its shell 8 has magnetic screen sheet 12, specifically, shell 8 comprises two the major axis sidewalls and two minor axis sidewalls that are arranged at offside respectively, and the magnetic screen sheet 12 in present embodiment is incorporated into the surface of the major axis sidewall of shell 8.Wherein, magnetic screen sheet 12 comprises polymer material layer, the surface conjunction of polymer material layer has the coat of metal, it should be noted that, the polymer material layer related in the technical program should be the material with certain degree of hardness and rigidity, if this is because, the hardness of polymer material layer is inadequate, be not easy to plating, the coat of metal is then for having the metal material of certain magnetic property.
Preferably, the magnetic screen sheet 12 in present embodiment is PEN (PEN) nickel plating sheet, and during enforcement, nickel coating takes shape in the surface of PEN by conventional electroplating technology.In present embodiment, why selecting metallic nickel as coating, is because the magnetic property of nickel is relatively good.It should be noted that, polymer material layer in the technical program is not limited to PEN material layer, can also be PET (poly terephthalic acid) material layer, PAR (polyarylate) material layer or other polymer material layers, as long as it has certain hardness and rigidity; Same, the coat of metal is also not limited to nickel coating, can also be zinc coating or other coats of metal, as long as it has certain magnetic property and is convenient to electroplate.
In present embodiment, glue-line is provided with between the sidewall of magnetic screen sheet 12 and shell 8, also can be understood as, PEN material layer comprises the first surface be combined with the sidewall of shell 8 and the second surface be combined with nickel coating, glue-line is combined on its first surface, magnetic screen sheet 12 bonds fixing with the sidewall of shell 8 by this glue-line, compared to the technique that SPCC plate cementing in prior art and shell are fixed, present embodiment can meet the collocation of different-thickness, fixing also convenient with the bonding of shell 8.
As shown in Figure 2, the magnetic screen sheet 12 of present embodiment is integral type rectangular configuration, comprises the first shielding part 121 being positioned at shell 8 major axis sidewall one end, the secondary shielding portion 122 being positioned at the major axis sidewall other end and connects the microscler connecting portion 123 in the first shielding part 121 and secondary shielding portion 122.Should be noted that, in present embodiment, sidewall due to shell 8 is provided with phonate hole, the structural design of magnetic screen sheet 12 should avoid the position of phonate hole, and some phonate holes are not arranged at for the product on side wall of outer shell, magnetic screen sheet is without the need to dodging for phonate hole is arranged, and it can be designed as complete, regular shape.
It should be noted that, present embodiment is only an embodiment of the utility model micro-telephone receiver, wherein, the shape of magnetic screen sheet 12 can be rectangle, can be also square or other shapes, for circular receiver, can also be loop configuration, specifically not limit by this; In addition, micro-telephone receiver of the present utility model, concrete shape, the position distribution and thickness of coating etc. of magnetic screen sheet can adjust setting according to real needs, magnetic-leakage preventing under such as specific range condition requires and the put factors such as form of micro-telephone receiver product in the terminal installations such as mobile phone, all can be considered and judges that magnetic screen sheet is incorporated into the reference frame of which or which side of shell.
Pass through technique scheme, the leakage field of micro-telephone receiver effectively can be reduced by magnetic screen principle, thus greatly weaken it to the impact of antenna in the terminal installations such as mobile phone with the first-class component capabilities of shooting, more wide space is provided to the design of the terminal installations such as mobile phone, do not affect again the performance of micro-telephone receiver product itself simultaneously, also the production cost of micro-telephone receiver can not be made significantly to raise, all can be applicable at receiver and loud speaker field.
Embodiment two:
Present embodiment is substantially identical with embodiment one, and its difference is:
Magnetic screen sheet 9 is split type rectangular configuration, comprise first shielding part 91 of the major axis sidewall one end being positioned at shell 8 and be positioned at the secondary shielding portion 92 of the major axis sidewall other end, compared with embodiment one, between the first shielding part 91 and secondary shielding portion 92, there is no the setting of connecting portion.
Embodiment three:
Present embodiment is substantially identical with embodiment two, and its difference is:
In present embodiment, magnetic screen sheet 13 is not only incorporated into the surface of the major axis sidewall of shell 8, also be incorporated into the surface of the minor axis sidewall of shell 8 simultaneously, specifically, the surface conjunction of the major axis sidewall of shell 8 has the first magnetic screen sheet 13a, the surface conjunction of minor axis sidewall has the second magnetic screen sheet 13b, first magnetic screen sheet 13a is integral type rectangular configuration, comprise the first shielding part 131 being positioned at shell 8 major axis sidewall one end, be positioned at the secondary shielding portion 132 of the major axis sidewall other end and connect the microscler connecting portion 133 in the first shielding part 131 and secondary shielding portion 132, second magnetic screen sheet 13b is rectangular configuration.
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. a micro-telephone receiver, comprises magnetic circuit system, vibrational system and auxiliary system; The protecgulum that described auxiliary system comprises shell and matches with described shell, is characterized in that: the surface conjunction of described side wall of outer shell has magnetic screen sheet; Described magnetic screen sheet comprises polymer material layer; Described polymer material layer surface conjunction has the coat of metal; Described magnetic screen sheet and described shell bond fixing.
2. micro-telephone receiver according to claim 1, is characterized in that: be provided with glue-line between described magnetic screen sheet and described side wall of outer shell; The sidewall of described magnetic screen sheet and described shell bonds fixing by described glue-line.
3. micro-telephone receiver according to claim 1, is characterized in that: described polymer material layer is the material with certain degree of hardness and rigidity; The described coat of metal is can the material of magnetic conduction, is taken shape in the surface of described polymer material layer by electroplating technology.
4. micro-telephone receiver according to claim 3, is characterized in that: described polymer material layer is PEN material layer; The described coat of metal is nickel coating.
5. micro-telephone receiver according to claim 1, is characterized in that: described magnetic screen sheet is rectangle or annular, is incorporated into the major axis sidewall of described shell and/or the surface of minor axis sidewall.
6. micro-telephone receiver according to claim 5, is characterized in that: described magnetic screen sheet is rectangular configuration, is incorporated into the surface of the major axis sidewall of described shell.
7. micro-telephone receiver according to claim 6, it is characterized in that: described magnetic screen sheet is integral type structure, comprise be positioned at described major axis sidewall one end the first shielding part, be positioned at the secondary shielding portion of the described major axis sidewall other end and connect the microscler connecting portion in described first shielding part and described secondary shielding portion.
8. micro-telephone receiver according to claim 6, is characterized in that: described magnetic screen sheet is split-type structural, comprises the first shielding part being positioned at described major axis sidewall one end and the secondary shielding portion being positioned at the described major axis sidewall other end.
9. micro-telephone receiver according to claim 5, is characterized in that: the surface conjunction of the major axis sidewall of described shell has the first magnetic screen sheet, and the surface conjunction of described minor axis sidewall has the second magnetic screen sheet; Described first magnetic screen sheet is integral type rectangular configuration, comprise be positioned at described major axis sidewall one end the first shielding part, be positioned at the secondary shielding portion of the described major axis sidewall other end and connect the microscler connecting portion in described first shielding part and described secondary shielding portion; Described second magnetic screen sheet is rectangular configuration.
10. micro-telephone receiver according to claim 1, is characterized in that: described magnetic circuit system comprises frame, is fixed on the magnet in described frame and is covered in the washer of described magnet surface; Described vibrational system comprises vibrating diaphragm and to bond fixing voice coil loudspeaker voice coil with described vibrating diaphragm; The centre position of described vibrating diaphragm is combined with reinforcement part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520363967.6U CN204697249U (en) | 2015-05-30 | 2015-05-30 | Micro-telephone receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520363967.6U CN204697249U (en) | 2015-05-30 | 2015-05-30 | Micro-telephone receiver |
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| Publication Number | Publication Date |
|---|---|
| CN204697249U true CN204697249U (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520363967.6U Active CN204697249U (en) | 2015-05-30 | 2015-05-30 | Micro-telephone receiver |
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| CN (1) | CN204697249U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017000499A1 (en) * | 2015-06-29 | 2017-01-05 | 歌尔声学股份有限公司 | Loudspeaker structure |
| CN111988452A (en) * | 2019-05-23 | 2020-11-24 | 北京小米移动软件有限公司 | Mobile terminal |
-
2015
- 2015-05-30 CN CN201520363967.6U patent/CN204697249U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017000499A1 (en) * | 2015-06-29 | 2017-01-05 | 歌尔声学股份有限公司 | Loudspeaker structure |
| CN111988452A (en) * | 2019-05-23 | 2020-11-24 | 北京小米移动软件有限公司 | Mobile terminal |
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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. |