CN204482029U - A kind of speaker motor assembly and apply the dynamic iron unit of this motor sub-assembly - Google Patents
A kind of speaker motor assembly and apply the dynamic iron unit of this motor sub-assembly Download PDFInfo
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- CN204482029U CN204482029U CN201520221624.6U CN201520221624U CN204482029U CN 204482029 U CN204482029 U CN 204482029U CN 201520221624 U CN201520221624 U CN 201520221624U CN 204482029 U CN204482029 U CN 204482029U
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- voice coil
- balanced armature
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- permanent magnet
- dynamic iron
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Abstract
The utility model discloses a kind of speaker motor assembly and apply the dynamic iron unit of this motor sub-assembly, belong to technical field of acoustics.A kind of speaker motor assembly of the present utility model, comprise coil, support, balanced armature, voice coil loudspeaker voice coil and permanent magnet unit, balanced armature is " U " shape structure, mounting coil is in the middle part of balanced armature, one end of balanced armature is fixed on support, and the other end is connected mutually with voice coil loudspeaker voice coil, and voice coil loudspeaker voice coil is located at the inside of balanced armature, permanent magnet unit is installed on support, and position is corresponding with above-mentioned voice coil position.The invention also discloses a kind of dynamic iron unit applying said motor assembly.Voice coil loudspeaker voice coil in moving-coil structure and permanent magnet unit are introduced in dynamic iron unit by the utility model, eliminate the yoke in existing motor sub-assembly, two coil configuration and permanent magnet unit is utilized to form actuating force, drive diaphragm oscillations is sounded, simplify the structure of existing dynamic iron unit, reduce the volume of dynamic iron unit, the satisfied market demand.
Description
Technical field
The utility model relates to a kind of motor sub-assembly and dynamic iron unit, more particularly, relates to a kind of speaker motor assembly and applies the dynamic iron unit of this motor sub-assembly.
Background technology
Dynamic iron unit has that soundproof effect is good, volume is little, sensitivity advantages of higher, has been widely used in earphone and audio amplifier.Compared with moving-coil unit, the frequency response curve of dynamic iron unit is more stable, and uses the earphone of dynamic iron unit more to contribute to protecting hearing.The motor sub-assembly of existing dynamic iron unit is primarily of compositions such as balanced armature, square iron (yoke), induction coil and permanent magnets, permanent magnet is symmetricly set in square iron, form the oscillation space of balanced armature, balanced armature is through the centre of two permanent magnets, one end is provided with induction coil, and one end connects vibrating diaphragm by conductive bar.
Along with popularizing of dynamic iron unit, dynamic iron unit often needs to be applied in very little structure, although existing dynamic iron unit volume is very little, but still can not be suitable for well in some scenarios, such as In-Ear Headphones etc., to miniaturization development, therefore the requirement of dynamic iron unit is being promoted further.Existing dynamic iron unit is inner primarily of compositions such as balanced armature, square iron (yoke), induction coil and permanent magnets, its structure cannot reduce further, therefore need in the CD-ROM drive motor structure of driven iron unit, to seek the more rational version of one, to reduce the volume of dynamic iron unit, meet existing market demand.
Summary of the invention
1. the utility model technical problem that will solve
The purpose of this utility model is the dynamic iron unit providing a kind of brand-new speaker motor assembly and apply this motor sub-assembly, adopt the technical solution of the utility model, voice coil loudspeaker voice coil in moving-coil structure and permanent magnet unit are introduced in dynamic iron unit, eliminate the yoke in existing motor sub-assembly, utilize two coil configuration and permanent magnet unit to form actuating force, drive diaphragm oscillations to sound, simplify the structure of existing dynamic iron unit, reduce the volume of dynamic iron unit, the satisfied market demand.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
A kind of speaker motor assembly of the present utility model, comprise coil, support, balanced armature, voice coil loudspeaker voice coil and permanent magnet unit, described balanced armature is " U " shape structure, described mounting coil is in the middle part of balanced armature, one end of described balanced armature is fixed on support, and the other end is connected mutually with voice coil loudspeaker voice coil, and voice coil loudspeaker voice coil is located at the inside of balanced armature, described permanent magnet unit is installed on support, and position is corresponding with above-mentioned voice coil position.
Further, described permanent magnet unit comprises T-shaped iron and magnet steel, and described magnetic steel sleeve is located on T-shaped iron, and both are fixedly connected with, and described T-shaped iron stretches into voice coil loudspeaker voice coil inside.
Further, also comprise magnetic shielding cover, described magnetic shielding cover is cylindric, and described permanent magnet unit is located at magnetic shielding cover inside, and magnetic shielding cover covers voice coil loudspeaker voice coil.
One of the present utility model moves iron unit, comprise housing and vibrating diaphragm, housing is divided into ante-chamber and working chamber by described vibrating diaphragm, sender is provided with in described ante-chamber, also comprise above-mentioned motor sub-assembly, described motor sub-assembly is installed in working chamber, and described coil and support are all fixed on housing, and described balanced armature is provided with one end of voice coil loudspeaker voice coil and vibrating diaphragm is connected.
3. beneficial effect
The technical scheme adopting the utility model to provide, compared with existing known technology, has following beneficial effect:
(1) a kind of speaker motor assembly of the present utility model, its balanced armature is " U " shape structure, mounting coil is in the middle part of balanced armature, one end of balanced armature is fixed on support, the other end is connected mutually with voice coil loudspeaker voice coil, and voice coil loudspeaker voice coil is located at the inside of balanced armature, permanent magnet unit is installed on support, and position is corresponding with above-mentioned voice coil position, voice coil loudspeaker voice coil in moving-coil structure and permanent magnet unit are introduced in dynamic iron unit, eliminate the yoke in existing motor sub-assembly, two coil configuration and permanent magnet unit is utilized to form actuating force, drive diaphragm oscillations is sounded, simplify the structure of existing dynamic iron unit, reduce the volume of dynamic iron unit, the market demand met,
(2) a kind of speaker motor assembly of the present utility model, its permanent magnet unit comprises T-shaped iron and magnet steel, magnetic steel sleeve is located on T-shaped iron, and both are fixedly connected with, T-shaped iron stretches into voice coil loudspeaker voice coil inside, also comprise magnetic shielding cover, magnetic shielding cover is cylindric, permanent magnet unit is located at magnetic shielding cover inside, and magnetic shielding cover covers voice coil loudspeaker voice coil, and voice coil loudspeaker voice coil and permanent magnet unit form a relatively independent vibration system, magnetic loss is little, the magnetic energy that coupling coil produces reaches voice coil position by balanced armature, realizes twin coil acting in conjunction, makes the frequency range of iron unit wider;
(3) one of the present utility model moves iron unit, and structure is simple, and volume is reduced further, has expanded the range of application of dynamic iron unit.
Accompanying drawing explanation
Fig. 1 is the structural representation of the dynamic iron unit applying a kind of speaker motor assembly of the present utility model;
Fig. 2 is the structural representation of voice coil loudspeaker voice coil in the utility model and permanent magnet unit.
Label declaration in schematic diagram:
1, housing; 2, coil; 3, support; 4, balanced armature; 5, vibrating diaphragm; 6, tie point; 7, ante-chamber; 8, sender; 9, voice coil loudspeaker voice coil; 10, permanent magnet unit; 11, magnetic shielding cover; 101, T-shaped iron; 102, magnet steel.
Embodiment
For understanding content of the present utility model further, in conjunction with the accompanying drawings and embodiments the utility model is described in detail.
Embodiment
Shown in composition graphs 1 and Fig. 2, a kind of speaker motor assembly of the present embodiment, comprise coil 2, support 3, balanced armature 4, voice coil loudspeaker voice coil 9 and permanent magnet unit 10, balanced armature 4 is " U " shape structure, coil 2 is set in the middle part of balanced armature 4, coil 2 produces alternating magnetic field, and is conducted by balanced armature 4; One end of balanced armature 4 is fixed on support 3, the other end is connected mutually with voice coil loudspeaker voice coil 9, and voice coil loudspeaker voice coil 9 is located at the inside of balanced armature 4, and this voice coil loudspeaker voice coil 9 is the open column shape coil be entwined by flat conductor, glue can be adopted to be fixed on balanced armature 4, and this voice coil loudspeaker voice coil 9 can produce alternating magnetic field equally; Permanent magnet unit 10 is installed on support 3, and position is corresponding with above-mentioned voice coil loudspeaker voice coil 9 position, and permanent magnet unit produces intrinsic magnetic field, and the alternating magnetic field produced with coil 2 and voice coil loudspeaker voice coil 9 forms attraction alternately and repulsive interaction, thus realizes the vibration of balanced armature 4.Introduced in dynamic iron unit with permanent magnet unit 10 by voice coil loudspeaker voice coil 9 in moving-coil structure, eliminate the yoke in existing motor sub-assembly, utilize two coil configuration and permanent magnet unit to form actuating force, structure is simple, and volume is little.
Shown in Figure 2, the permanent magnet unit 10 in the present embodiment comprises T-shaped iron 101 and magnet steel 102, and magnet steel 102 is sheathed on T-shaped iron 101, and both are fixedly connected with, and it is inner that T-shaped iron 101 stretches into voice coil loudspeaker voice coil 9; In addition, also comprise magnetic shielding cover 11, magnetic shielding cover 11 is cylindric, it is inner that permanent magnet unit 10 is located at magnetic shielding cover 11, and magnetic shielding cover 11 covers voice coil loudspeaker voice coil 9, and voice coil loudspeaker voice coil 9 and permanent magnet unit 10 form a relatively independent vibration system, magnetic loss is little, the magnetic energy that coupling coil 2 produces reaches voice coil loudspeaker voice coil 9 position by balanced armature 4, realizes twin coil acting in conjunction, makes the frequency range of iron unit wider.
As shown in Figure 1, the one of the present embodiment moves iron unit, comprise housing 1, vibrating diaphragm 5 and above-mentioned motor sub-assembly, housing 1 is divided into ante-chamber 7 and working chamber by vibrating diaphragm 5, is provided with sender 8 in ante-chamber 7, and motor sub-assembly is installed in working chamber, coil 2 and support 3 are all fixed on housing 1, balanced armature 4 is provided with one end of voice coil loudspeaker voice coil 9 and vibrating diaphragm 5 is connected, and this is connected can be that vibrating diaphragm 5 is directly connected with balanced armature 4, reduces the size of dynamic iron unit; Also can be that vibrating diaphragm 5 is connected by conductive bar with balanced armature 4.The one of the present embodiment moves iron unit, adopts above-mentioned motor sub-assembly as driving element, simplifies the structure of existing dynamic iron unit, reduces the volume of dynamic iron unit, the satisfied market demand, has expanded the range of application of dynamic iron unit.
A kind of speaker motor assembly of the present utility model and apply the dynamic iron unit of this motor sub-assembly, voice coil loudspeaker voice coil in moving-coil structure and permanent magnet unit are introduced in dynamic iron unit, eliminate the yoke in existing motor sub-assembly, two coil configuration and permanent magnet unit is utilized to form actuating force, drive diaphragm oscillations is sounded, simplify the structure of existing dynamic iron unit, reduce the volume of dynamic iron unit, the satisfied market demand.
Below be schematically described the utility model and execution mode thereof, this description does not have restricted, and shown in accompanying drawing is also one of execution mode of the present utility model, and actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, without creatively designing the frame mode similar to this technical scheme and embodiment, protection range of the present utility model all should be belonged to.
Claims (4)
1. a speaker motor assembly, it is characterized in that: comprise coil (2), support (3), balanced armature (4), voice coil loudspeaker voice coil (9) and permanent magnet unit (10), described balanced armature (4) is " U " shape structure, described coil (2) is set in the middle part of balanced armature (4), one end of described balanced armature (4) is fixed on support (3), the other end is connected mutually with voice coil loudspeaker voice coil (9), and voice coil loudspeaker voice coil (9) is located at the inside of balanced armature (4), described permanent magnet unit (10) is installed on support (3), and position is corresponding with above-mentioned voice coil loudspeaker voice coil (9) position.
2. a kind of speaker motor assembly according to claim 1, it is characterized in that: described permanent magnet unit (10) comprises T-shaped iron (101) and magnet steel (102), described magnet steel (102) is sheathed on T-shaped iron (101), and both are fixedly connected with, it is inner that described T-shaped iron (101) stretches into voice coil loudspeaker voice coil (9).
3. a kind of speaker motor assembly according to claim 1 and 2, it is characterized in that: also comprise magnetic shielding cover (11), described magnetic shielding cover (11) is cylindric, it is inner that described permanent magnet unit (10) is located at magnetic shielding cover (11), and magnetic shielding cover (11) covers voice coil loudspeaker voice coil (9).
4. a dynamic iron unit, comprise housing (1) and vibrating diaphragm (5), housing (1) is divided into ante-chamber (7) and working chamber by described vibrating diaphragm (5), sender (8) is provided with in described ante-chamber (7), it is characterized in that: also comprise the motor sub-assembly described in claims 1 to 3 any one, described motor sub-assembly is installed in working chamber, described coil (2) and support (3) are all fixed on housing (1), and described balanced armature (4) is provided with one end of voice coil loudspeaker voice coil (9) and vibrating diaphragm (5) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520221624.6U CN204482029U (en) | 2015-04-13 | 2015-04-13 | A kind of speaker motor assembly and apply the dynamic iron unit of this motor sub-assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520221624.6U CN204482029U (en) | 2015-04-13 | 2015-04-13 | A kind of speaker motor assembly and apply the dynamic iron unit of this motor sub-assembly |
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| Publication Number | Publication Date |
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| CN204482029U true CN204482029U (en) | 2015-07-15 |
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| CN201520221624.6U Active CN204482029U (en) | 2015-04-13 | 2015-04-13 | A kind of speaker motor assembly and apply the dynamic iron unit of this motor sub-assembly |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106162469A (en) * | 2016-08-31 | 2016-11-23 | 苏州倍声声学技术有限公司 | A kind of dynamic ferrum loudspeaker of corrosion protection voice coil loudspeaker voice coil |
| CN109348375A (en) * | 2018-11-29 | 2019-02-15 | 深圳倍声声学技术有限公司 | A kind of moving iron loud speaker and earphone |
| CN113709638A (en) * | 2021-08-31 | 2021-11-26 | 安徽井利电子有限公司 | Anti-electromagnetic interference loudspeaker system and anti-interference method thereof |
-
2015
- 2015-04-13 CN CN201520221624.6U patent/CN204482029U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106162469A (en) * | 2016-08-31 | 2016-11-23 | 苏州倍声声学技术有限公司 | A kind of dynamic ferrum loudspeaker of corrosion protection voice coil loudspeaker voice coil |
| CN109348375A (en) * | 2018-11-29 | 2019-02-15 | 深圳倍声声学技术有限公司 | A kind of moving iron loud speaker and earphone |
| CN113709638A (en) * | 2021-08-31 | 2021-11-26 | 安徽井利电子有限公司 | Anti-electromagnetic interference loudspeaker system and anti-interference method thereof |
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