CN204291358U - A kind of magnetic drive assembly of dynamic iron unit - Google Patents
A kind of magnetic drive assembly of dynamic iron unit Download PDFInfo
- Publication number
- CN204291358U CN204291358U CN201420860624.6U CN201420860624U CN204291358U CN 204291358 U CN204291358 U CN 204291358U CN 201420860624 U CN201420860624 U CN 201420860624U CN 204291358 U CN204291358 U CN 204291358U
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- magnet
- free end
- armature
- transducing portion
- oppositely arranged
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Abstract
The utility model discloses a kind of magnetic drive assembly of dynamic iron unit, comprise coil, magnet, the iron core of " returning " font and armature, described magnet is arranged on the relative both sides of iron core inner ring; Described armature is provided with vibration transducing portion, and this vibration transducing portion comprises free end and stiff end; Described stiff end place is arranged with coil; Described free end, through above-mentioned two magnet be oppositely arranged, the inwall of described two magnet be oppositely arranged is provided with magnetic conductive board; Two described magnetic conductive boards are oppositely arranged, and the free end of close armature.The utility model structure is simple, forming pole shoe by magnetic conductive board being arranged on magnet, the magnetic force of magnet being concentrated on the free end near vibration transducing portion, increasing the free end Oscillation Amplitude in vibration transducing portion, and then make the Oscillation Amplitude of vibrating diaphragm become large, go out sound effective.
Description
Technical field
The utility model relates to a kind of dynamic iron unit, more particularly, relates to a kind of magnetic drive assembly of dynamic iron unit.
Background technology
The primary structure of existing dynamic iron unit comprises: shielding case, syndeton, the compositions such as magnetic drive assembly and vibrating diaphragm, wherein magnetic drive assembly is very important parts, its Main Function utilizes electromagnetic induction effect by electric energy conversion for vibrating the vibration in transducing portion in armature, and then drive diaphragm oscillations, therefore the position that in magnetic drive assembly, magneticaction vibrates transducing portion in armature directly affects the vibration of armature, and then have impact on the tone of dynamic iron unit output, existing magnetic drive assembly comprises iron core, magnet, the composition such as armature and coil, one end of iron core is connected with coil, magnet is arranged on the relative both sides of iron core inner ring, iron core and coil be all set in armature vibrate transducing portion stiff end on, magnet is arranged on the direction of vibration in vibration transducing portion, the magnetic drive assembly of this syndeton finds that the vibration free end of the centrostigma distance armature of magnetic force is far away in actual use, therefore cause the Oscillation Amplitude of armature little, and then have impact on the tone of dynamic iron unit output.
Summary of the invention
1. the utility model technical problem that will solve
The purpose of this utility model is to overcome above-mentioned deficiency, provide a kind of magnetic drive assembly of dynamic iron unit, adopt the technical solution of the utility model, structure is simple, pole shoe is formed by magnetic conductive board being arranged on magnet, the magnetic force of magnet is concentrated on the free end near vibration transducing portion, increase the free end Oscillation Amplitude in vibration transducing portion, and then make the Oscillation Amplitude of vibrating diaphragm become large.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
The magnetic drive assembly of a kind of dynamic iron unit of the present utility model, comprise coil, magnet, the iron core of " returning " font and armature, described magnet is arranged on the relative both sides of iron core inner ring; Described armature is provided with vibration transducing portion, and this vibration transducing portion comprises free end and stiff end; Described stiff end place is arranged with coil; Described free end, through above-mentioned two magnet be oppositely arranged, the inwall of described two magnet be oppositely arranged is provided with magnetic conductive board; Two described magnetic conductive boards are oppositely arranged, and the free end of close armature.
3. beneficial effect
The technical scheme adopting the utility model to provide, compared with existing known technology, has following beneficial effect:
The magnetic drive assembly of a kind of dynamic iron unit of the present utility model, the inwall of its two magnet be oppositely arranged is provided with magnetic conductive board, two magnetic conductive boards are oppositely arranged, and the free end of close armature, structure is simple, forming pole shoe, the magnetic force of magnet being concentrated on the free end near vibration transducing portion by magnetic conductive board being arranged on magnet, increase the free end Oscillation Amplitude in vibration transducing portion, and then make the Oscillation Amplitude of vibrating diaphragm become large.
Accompanying drawing explanation
Fig. 1 is the structural representation of the magnetic drive assembly of a kind of dynamic iron unit of the present utility model.
Label declaration in schematic diagram: 1, coil; 2, magnet; 3, iron core; 4, magnetic conductive board; 51, free end; 52, stiff end.
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
Composition graphs 1, the magnetic drive assembly of a kind of dynamic iron unit of the present embodiment, comprise coil 1, magnet 3, the iron core 2 of " returning " font and armature, magnet 3 is arranged on the relative both sides of iron core 2 inner ring; Armature is provided with vibration transducing portion, and this vibration transducing portion comprises free end 51 and stiff end 52; Stiff end 52 place is arranged with coil 1; Free end 51 is through above-mentioned two magnet 3 be oppositely arranged, the inwall of above-mentioned two magnet 3 be oppositely arranged is provided with magnetic conductive board 4, two magnetic conductive boards 4 are oppositely arranged, and near free end 51 place of armature, structure is simple, forms pole shoe by magnetic conductive board 4 is arranged on magnet 3, the magnetic force of magnet 3 is concentrated on free end 51 place near vibration transducing portion, increase free end 51 Oscillation Amplitude in vibration transducing portion, and then make the Oscillation Amplitude of vibrating diaphragm become large, go out sound effective.
The magnetic drive assembly of a kind of dynamic iron unit of the present utility model, structure is simple, easily manufactured, only magnetic conductive board 4 need be set on two blocks of magnet 4 at free end 51 place near vibration transducing portion, magnetic force concentrated on free end 51 place near vibration transducing portion by magnetic conductive board 4, the free end increasing vibration transducing portion shakes 51 dynamic amplitudes, and then makes the Oscillation Amplitude of vibrating diaphragm become large, design ingenious, go out sound effective.
Schematically above be described the utility model and execution mode thereof, this description does not have restricted, and also just one of the execution mode of the present utility model shown in accompanying drawing, 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, design the frame mode similar to this technical scheme and embodiment without creationary, protection range of the present utility model all should be belonged to.
Claims (1)
1. the magnetic drive assembly of a dynamic iron unit, comprise coil (1), magnet (3), the iron core (2) of " returning " font and armature, described magnet (3) is arranged on the relative both sides of iron core (2) inner ring; Described armature is provided with vibration transducing portion, and this vibration transducing portion comprises free end (51) and stiff end (52); Described stiff end (52) place is arranged with coil (1); Described free end (51), through above-mentioned two magnet (3) be oppositely arranged, is characterized in that: the inwall of described two magnet (3) be oppositely arranged is provided with magnetic conductive board (4); Described two magnetic conductive boards (4) are oppositely arranged, and near free end (51) place of armature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420860624.6U CN204291358U (en) | 2014-12-30 | 2014-12-30 | A kind of magnetic drive assembly of dynamic iron unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420860624.6U CN204291358U (en) | 2014-12-30 | 2014-12-30 | A kind of magnetic drive assembly of dynamic iron unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204291358U true CN204291358U (en) | 2015-04-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420860624.6U Active CN204291358U (en) | 2014-12-30 | 2014-12-30 | A kind of magnetic drive assembly of dynamic iron unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204291358U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108055630A (en) * | 2017-11-24 | 2018-05-18 | 苏州逸巛声学科技有限公司 | A kind of receiver and its assembly method |
| CN109121063A (en) * | 2018-07-27 | 2019-01-01 | 深圳倍声声学技术有限公司 | A kind of equipment adjusting moving iron unit magnetic balance |
-
2014
- 2014-12-30 CN CN201420860624.6U patent/CN204291358U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108055630A (en) * | 2017-11-24 | 2018-05-18 | 苏州逸巛声学科技有限公司 | A kind of receiver and its assembly method |
| CN109121063A (en) * | 2018-07-27 | 2019-01-01 | 深圳倍声声学技术有限公司 | A kind of equipment adjusting moving iron unit magnetic balance |
| CN109121063B (en) * | 2018-07-27 | 2023-10-20 | 深圳倍声声学技术有限公司 | Device for adjusting magnetic balance of moving iron unit |
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