CN204498372U - A kind of small size speaker motor assembly and apply the dynamic iron unit of this motor sub-assembly - Google Patents
A kind of small size speaker motor assembly and apply the dynamic iron unit of this motor sub-assembly Download PDFInfo
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- CN204498372U CN204498372U CN201520242092.4U CN201520242092U CN204498372U CN 204498372 U CN204498372 U CN 204498372U CN 201520242092 U CN201520242092 U CN 201520242092U CN 204498372 U CN204498372 U CN 204498372U
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Abstract
The utility model discloses a kind of small size speaker motor assembly and apply the dynamic iron unit of this motor sub-assembly, belong to technical field of acoustics.A kind of small size speaker motor assembly of the present utility model, comprise coil, mounting blocks, balanced armature, support and permanent magnet, 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 mounting blocks, the other end is unsettled, and the below of this unsettled one end is provided with permanent magnet, and described permanent magnet is fixed on support.The invention also discloses a kind of dynamic iron unit of this motor sub-assembly of application.The utility model simplifies the structure of dynamic iron unit effectively, eliminate and make loaded down with trivial details yoke, not only make the volume of dynamic iron unit reduce further, also simplify the manufacturing process of dynamic iron unit, improve the make efficiency of dynamic iron unit, reduce the cost of manufacture of dynamic iron unit.
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 small size 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 to overcome the deficiency that existing dynamic iron cellular construction is comparatively complicated, volume is larger, a kind of small size speaker motor assembly of brand new is provided and applies the dynamic iron unit of this motor sub-assembly, adopt the technical solution of the utility model, effectively simplify the structure of dynamic iron unit, eliminate and make loaded down with trivial details yoke, the volume of dynamic iron unit is not only made to reduce further, also simplify the manufacturing process of dynamic iron unit, improve the make efficiency of dynamic iron unit, reduce the cost of manufacture of dynamic iron unit.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
A kind of small size speaker motor assembly of the present utility model, comprise coil, mounting blocks, balanced armature, support and permanent magnet, 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 mounting blocks, the other end is unsettled, and the below of this unsettled one end is provided with permanent magnet, and described permanent magnet is fixed on support.
Further, described support is " U " shape structure, and this support is across the top of mounting blocks.
Further, to be welded and fixed between described balanced armature and mounting blocks or grafting is fixed or glueds joint fixing.
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, mounting blocks and support are fixed on housing successively, and one end that described balanced armature is unsettled and vibrating diaphragm are connected.
Further, one end that described balanced armature is unsettled is directly fixedly connected with vibrating diaphragm; Or one end that described balanced armature is unsettled is connected by conductive bar with vibrating diaphragm.
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 small size 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 mounting blocks, the other end is unsettled, and the below of this unsettled one end is provided with permanent magnet, permanent magnet is fixed on support, effectively simplify the structure of dynamic iron unit, eliminate and make loaded down with trivial details yoke, the volume of dynamic iron unit is not only made to reduce further, also simplify the manufacturing process of dynamic iron unit, improve the make efficiency of dynamic iron unit, reduce the cost of manufacture of dynamic iron unit,
(2) a kind of small size speaker motor assembly of the present utility model, its support is " U " shape structure, and this support is across the top of mounting blocks, than structure permanent magnet is installed on above coil, the setting height(from bottom) of permanent magnet reduces further, and then make the height reduction of motor sub-assembly, make the dynamic iron cellular construction of this motor sub-assembly of application smaller and more exquisite, meet the market demand;
(3) a kind of small size speaker motor assembly of the present utility model, is welded and fixed between its balanced armature and mounting blocks or grafting is fixed or glueds joint fixing, make balanced armature and mounting blocks easy to connect, reduce the assembling difficulty of dynamic iron unit;
(4) 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, has had application prospect widely.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of the dynamic iron unit applying a kind of small size speaker motor assembly of the present utility model;
Fig. 2 is the side-looking structural representation in Fig. 1.
Label declaration in schematic diagram:
1, housing; 2, coil; 3, mounting blocks; 4, balanced armature; 5, vibrating diaphragm; 6, tie point; 7, ante-chamber; 8, sender; 9, support; 10, permanent magnet.
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 small size speaker motor assembly of the present embodiment, comprise coil 2, mounting blocks 3, balanced armature 4, support 9 and permanent magnet 10, balanced armature 4 is " U " shape structure, coil 2 is set in the middle part of balanced armature 4, and one end of balanced armature 4 is fixed on mounting blocks 3, and the other end is unsettled, and the below of this unsettled one end is provided with permanent magnet 10, permanent magnet 10 is fixed on support 9; Coil 2 is by producing alternating magnetic field after alternating current, and conducted by balanced armature 4, alternating magnetic field is delivered to one end that balanced armature 4 is unsettled, the fixed magnetic field that this alternating magnetic field and permanent magnet 10 produce produces repulsion alternately and sucking action, thus realizes the vibration of balanced armature 4.Motor sub-assembly in the present embodiment, effectively simplify the structure of dynamic iron unit, eliminate and make loaded down with trivial details yoke, the volume of dynamic iron unit is not only made to reduce further, also simplify the manufacturing process of dynamic iron unit, improve the make efficiency of dynamic iron unit, reduce the cost of manufacture of dynamic iron unit.
Shown in Figure 2, support 9 in the present embodiment is " U " shape structure, and this support 9 is across the top of mounting blocks 3, the purposes of support 9 installs supports permanent magnets 10, its height can design according to permanent magnet 10 desired height, therefore, in order to reduce the volume of dynamic iron unit, can be realized by the height reducing support 9.Support 9 in the present embodiment is installed on the side of coil 2, it does not highly highly affect by coil 2, than structure permanent magnet 10 is installed on above coil 2, the setting height(from bottom) of permanent magnet 10 reduces further, and then make the height reduction of motor sub-assembly, make the dynamic iron cellular construction of this motor sub-assembly of application smaller and more exquisite, meet the market demand.In addition, in order to reduce the assembling difficulty of dynamic iron unit, the balanced armature 4 in the present embodiment and to be welded and fixed between mounting blocks 3 or grafting is fixed or glueds joint fixing, makes balanced armature 4 be connected convenient with mounting blocks 3.
Shown in hookup 1 and Fig. 2, a kind of dynamic iron unit applying said motor assembly of the present embodiment, 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, sender 8 is provided with in ante-chamber 7, motor sub-assembly is installed in working chamber, wherein, coil 2, mounting blocks 3 and support 9 are fixed on housing 1 successively, one end that balanced armature 4 is unsettled and vibrating diaphragm 5 are connected, specifically in the present embodiment, the unsettled one end of balanced armature 4 can directly be fixedly connected with vibrating diaphragm 5, the position of its link position tie point 6 as shown in the figure, be positioned at the top of permanent magnet 10, reduce the size of dynamic iron unit, or the unsettled one end of balanced armature 4 and vibrating diaphragm 5 to be connected (not shown) by conductive bar.The one of the present embodiment moves iron unit, and the alternating magnetic field that coil 2 produces and the fixed magnetic field that permanent magnet 10 produces form repulsion alternately and sucking action, balanced armature 4 is vibrated and drives vibrating diaphragm 5 to vibrate, thus the air in extruding ante-chamber 7, sound.The dynamic iron unit of the present embodiment, structure is simple, and volume is reduced further, has expanded the range of application of dynamic iron unit, has had application prospect widely.
A kind of small size speaker motor assembly of the present utility model and apply the dynamic iron unit of this motor sub-assembly, effectively simplify the structure of dynamic iron unit, eliminate and make loaded down with trivial details yoke, the volume of dynamic iron unit is not only made to reduce further, also simplify the manufacturing process of dynamic iron unit, improve the make efficiency of dynamic iron unit, reduce the cost of manufacture of dynamic iron unit.
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 (5)
1. a small size speaker motor assembly, it is characterized in that: comprise coil (2), mounting blocks (3), balanced armature (4), support (9) and permanent magnet (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 mounting blocks (3), the other end is unsettled, and the below of this unsettled one end is provided with permanent magnet (10), described permanent magnet (10) is fixed on support (9).
2. a kind of small size speaker motor assembly according to claim 1, is characterized in that: described support (9) is " U " shape structure, and this support (9) is across the top of mounting blocks (3).
3. a kind of small size speaker motor assembly according to claim 1 and 2, is characterized in that: be welded and fixed between described balanced armature (4) and mounting blocks (3) or grafting is fixed or glueds joint fixing.
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), mounting blocks (3) and support (9) are fixed on housing (1) successively, and one end that described balanced armature (4) is unsettled and vibrating diaphragm (5) are connected.
5. one according to claim 4 moves iron unit, it is characterized in that: one end that described balanced armature (4) is unsettled is directly fixedly connected with vibrating diaphragm (5); Or one end that described balanced armature (4) is unsettled is connected by conductive bar with vibrating diaphragm (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520242092.4U CN204498372U (en) | 2015-04-20 | 2015-04-20 | A kind of small size 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 |
|---|---|---|---|
| CN201520242092.4U CN204498372U (en) | 2015-04-20 | 2015-04-20 | A kind of small size 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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| CN204498372U true CN204498372U (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520242092.4U Active CN204498372U (en) | 2015-04-20 | 2015-04-20 | A kind of small size speaker motor assembly and apply the dynamic iron unit of this motor sub-assembly |
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| CN (1) | CN204498372U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105050009A (en) * | 2015-08-06 | 2015-11-11 | 楼氏电子(苏州)有限公司 | Electro-acoustic transducer and audio device |
| WO2020135283A1 (en) * | 2018-12-29 | 2020-07-02 | 歌尔股份有限公司 | Carrier-type exciter device |
-
2015
- 2015-04-20 CN CN201520242092.4U patent/CN204498372U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105050009A (en) * | 2015-08-06 | 2015-11-11 | 楼氏电子(苏州)有限公司 | Electro-acoustic transducer and audio device |
| WO2020135283A1 (en) * | 2018-12-29 | 2020-07-02 | 歌尔股份有限公司 | Carrier-type exciter device |
| CN111384834A (en) * | 2018-12-29 | 2020-07-07 | 歌尔股份有限公司 | Carrier type exciter device |
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