CN202183866U - Moving iron unit for loudspeaking device - Google Patents
Moving iron unit for loudspeaking device Download PDFInfo
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- CN202183866U CN202183866U CN2011203115583U CN201120311558U CN202183866U CN 202183866 U CN202183866 U CN 202183866U CN 2011203115583 U CN2011203115583 U CN 2011203115583U CN 201120311558 U CN201120311558 U CN 201120311558U CN 202183866 U CN202183866 U CN 202183866U
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- ring
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- vibrating diaphragm
- moving iron
- shakes
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Abstract
The utility model discloses a moving iron unit for a loudspeaking device, which comprises a coil, an iron core, diaphragms and a magnet. The iron core is arranged in the coil, and the magnet and the diaphragms are connected in transmission mode. The moving iron unit for the loudspeaking device is characterized by further comprising a vibration ring. The magnet is fixed on the vibration ring which is fixed on an inner wall of a shielding cavity through an elastic body arranged along the radial direction of the vibration ring, and simultaneously the vibration ring is connected with the diaphragms through a guide rod in transmission mode. Furthermore, the two diaphragms are arranged on two sides of the vibration ring symmetrically and are respectively connected with the vibration ring in transmission mode through the guide rod. The coil is directly wound on the iron core to be formed. The moving iron unit for the loudspeaking device has the advantages of adopting a vibration ring structure to replace a traditional balanced armature, greatly improving anti-mechanical impact performance of products; greatly improving conversion efficiency of the products by adopting two diaphragms to produce sound simultaneously; and adopting a design that the coil is formed on the iron core directly so as to enable a manufacture process of the moving iron unit to be simple and low in cost.
Description
Technical field
The present invention relates to a kind of loudspeaker arrangement, particularly a kind of moving iron unit that is applied in the miniature loudspeaker arrangement such as earphone belongs to electroacoustics and micromachine and learns the field.
Background technology
Employed moving iron unit has adopted the basic principle of electromagnetic conversion in the moving iron earphone in the market; During work; Pass through magnetic induction coil with ac current signal; Coil-induced magnetisation, the balanced armature that is opposite to coil middle part carries out magnetic (utmost point) and changes, and the balanced armature of being changed by magnetic (utmost point) is then according to the principle up-down vibration in two permanent magnets with (utmost point) property is repelled each other, different (utmost point) property is inhaled mutually.Change the sounding vibrating diaphragm of iron unit, be connected on the balanced armature, in the armature up-down vibration, also driven the vibrating diaphragm up-down vibration, and therefore agitate the air in the earphone cavity, thereby sound by a metal drive link.But existing moving iron earphone ubiquity conversion efficiency is low; Height/LF-response is not enough; Response speed is slow partially, harmonic distortion is higher; Tonequality is subject to deficiencies such as humiture variable effect, and especially for wherein balanced armature, at present common " U " type, " E " type and plate balanced armature (consulted the weakness that all there is anti-mechanical shock ability in Fig. 1-Fig. 3).
Summary of the invention
The objective of the invention is to propose a kind of moving iron unit that is used for loudspeaker arrangement, it can effectively improve the earphone conversion efficiency, and has better mechanical shock resistance, thereby has overcome deficiency of the prior art.
For realizing the foregoing invention purpose, the present invention has adopted following technical scheme:
A kind of moving iron unit that is used for loudspeaker arrangement comprises coil, iron core, vibrating diaphragm and magnet, and said iron core places coil; Said magnet and vibrating diaphragm are in transmission connection; It is characterized in that: it also comprises the ring that shakes, and said magnet is fixed on this ring that shakes, and this ring that shakes is through being fixed on the shielding cavity inwall along its elastomer that radially is provided with; Simultaneously, this ring that shakes is in transmission connection through conductive bar and vibrating diaphragm.
Say that further said magnet is fixed on ring one side that shakes, said shake ring and the coaxial setting of coil, the one of which sidepiece is connected with the shielding cavity inwall through the spring that radially is provided with along it, and simultaneously, said iron core one end is fixedly connected with the shielding cavity inwall.
Also be provided with the vibrating diaphragm support on the said shielding cavity inwall, said vibrating diaphragm is fixedly connected with the vibrating diaphragm support.
Said vibrating diaphragm is two, and it is symmetricly set in the ring both sides that shake, and is in transmission connection through a conductive bar and the ring that shakes respectively.
Said coil directly is wound on the said iron core.
Said shielding cavity is surrounded and is formed by a shield shell and a shielding bottom, and said shield shell is symmetrical set the vibrating diaphragm support on the relative two side, and the sidewall between this two side is connected with shaking to encircle through a spring.
Said iron core is fixedly connected with this shielding bottom with coil one end.
The said ring that shakes adopts the O type ring that shakes.
Compared with prior art, the invention has the advantages that:
(1) to the design defect of balanced armature in the prior art, the present invention has adopted the ring structure that shakes to replace original balanced armature structure, thereby is guaranteeing to have promoted the mechanical shock resistance of product greatly under the unimpeded situation of product magnetic circuit;
(2) adopted the design of unique vibrating diaphragm Drive Structure, can drive two vibrating diaphragms sounding simultaneously simultaneously, compared traditional a slice vibrating diaphragm, promoted the conversion efficiency of product by the reciprocation of magnet, shake ring and iron core;
(3) adopted coil to be directly molded on the design on the iron core, made the manufacturing process of whole moving iron unit easier, cost is lower.
Description of drawings
Fig. 1 is the structural representation of existing " U " type balanced armature;
Fig. 2 is the structural representation of existing " E " type balanced armature;
Fig. 3 is the structural representation of existing plate balanced armature;
Fig. 4 is the cross-sectional view that the present invention is used for the moving iron unit of earphone;
Fig. 5 is the vertical view that the present invention is used for the moving iron unit of earphone;
Each Reference numeral and indicated assembly thereof are respectively among the figure: the 1-coil, and the 2-shielding case, 3-shields bottom, 4-iron core, 5, the 6-vibrating diaphragm, 7,10-vibrating diaphragm support, 8-magnet, the 9-ring that shakes, 11, the 12-conductive bar, 13-spring.
Embodiment
Below in conjunction with an accompanying drawing and a preferred embodiment technical scheme of the present invention is further described.
Consult Fig. 4-5, present embodiment relates to a kind of moving iron unit that is applied in the earphone, and it comprises the coil 1 that is packaged in the shielding cavity, and iron core 4, vibrating diaphragm, magnet 8 and O type shake and encircle 9; This coil 1 is set on the iron core 4, and this magnet 8 is fixed on this ring 9 that shakes, and this ring 9 that shakes is through being fixed on the shielding cavity inwall along its elastomer that radially is provided with, and simultaneously, this ring that shakes is in transmission connection through conductive bar and vibrating diaphragm.
Preferably, this magnet is fixed on ring one side that shakes, this shake ring and the coaxial setting of coil, and the one of which sidepiece is connected with the shielding cavity inwall through the elastomer that radially is provided with along it, and simultaneously, this iron core is fixedly connected with the shielding cavity inwall with coil one end.
Aforementioned vibrating diaphragm is preferably two vibrating diaphragms 5,6, and it is symmetricly set in the ring both sides that shake, and is connected with the ring 9 that shakes through a conductive bar 12,11 respectively.Simultaneously, on the shielding cavity inwall, also be provided with vibrating diaphragm support 7,10, vibrating diaphragm 5,6 is fixedly connected with vibrating diaphragm support 10,7 respectively.
Aforementioned shielding cavity is surrounded and is formed by a shield shell 2 and a shielding bottom 3, and this shield shell is symmetrical set the vibrating diaphragm support on the relative two side, and the sidewall between this two side is connected with shaking to encircle through spring 13.
Aforementioned iron core is fixedly connected with this shielding bottom with coil one end.
The aforementioned coil 1 preferred directly coiling shaped structures on iron core 4 that adopts.
Aforementioned elastomer preferably adopts spring 13.
When this moving iron cell operation; The signal of telecommunication can pass through coil 1; According to electromagnetic induction effect; Iron core 4 can be magnetized in the magnetic field that alternating current in the coil 1 produces, and iron core 4 can push away, draw active force according to principle that the same sex is repelled each other, there is a natural attraction between the sexes and the magnet 8 that is fixed on the ring 9 that shakes, and shakes to encircle 9 and linked to each other with shielding case 2 by spring 13.When magnet 8 is driven; The ring 9 that shakes can be extruded thereupon or stretch; And then drive conductive bar 11,12 motions; Conductive bar 11,12 can drive vibrating diaphragm 5,6 vibrations that are fixed on the vibrating diaphragm support 7,10 again, is spread out of in the opening of blow air by shield shell 3 by the vibration of vibrating diaphragm 5,6, thereby sounds.
The present invention has done improvement design to the mechanical structure of balanced armature, thereby is guaranteeing to have promoted the mechanical shock resistance of product greatly under the unimpeded situation of product magnetic circuit; Particularly, that is, adopted the design of ring-type " O " type; Make balanced armature anti-mechanical shock ability in the horizontal and vertical directions greatly strengthen; Simultaneously, the present invention also optimizes the vibrating diaphragm Drive Structure, can drive two vibrating diaphragms sounding simultaneously simultaneously by magnet, shake ring and the reciprocation of iron core; Compare traditional a slice vibrating diaphragm, promoted the conversion efficiency of product greatly.
More than the object of the invention, technical scheme and beneficial effect have been carried out further explain; Institute is understood that; The above is merely preferred embodiment of the present invention, is not limited to the present invention, and is all within spirit of the present invention and principle; Any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a moving iron unit that is used for loudspeaker arrangement comprises coil, iron core, vibrating diaphragm and magnet, and said iron core places coil; Said magnet and vibrating diaphragm are in transmission connection; It is characterized in that: it also comprises the ring that shakes, and said magnet is fixed on this ring that shakes, and this ring that shakes is through being fixed on the shielding cavity inwall along its elastomer that radially is provided with; Simultaneously, this ring that shakes is in transmission connection through conductive bar and vibrating diaphragm.
2. the moving iron unit that is used for loudspeaker arrangement according to claim 1; It is characterized in that: said magnet is fixed on ring one side that shakes; Said shake ring and the coaxial setting of coil; The one of which sidepiece is connected with the shielding cavity inwall through the spring that radially is provided with along it, and simultaneously, said iron core one end is fixedly connected with the shielding cavity inwall.
3. the moving iron unit that is used for loudspeaker arrangement according to claim 1 and 2 is characterized in that: also be provided with the vibrating diaphragm support on the said shielding cavity inwall, said vibrating diaphragm is fixedly connected with the vibrating diaphragm support.
4. the moving iron unit that is used for loudspeaker arrangement according to claim 1, it is characterized in that: said vibrating diaphragm is two, it is symmetricly set in the ring both sides that shake, and is in transmission connection through a conductive bar and the ring that shakes respectively.
5. the moving iron unit that is used for loudspeaker arrangement according to claim 1 and 2 is characterized in that: the directly coiling moulding on iron core of said coil.
6. the moving iron unit that is used for loudspeaker arrangement according to claim 1 and 2; It is characterized in that: said shielding cavity is surrounded by a shield shell and a shielding bottom and forms; Said shield shell is symmetrical set the vibrating diaphragm support on the relative two side, and the sidewall between this two side is connected with shaking to encircle through a spring.
7. the moving iron unit that is used for loudspeaker arrangement according to claim 6 is characterized in that: said iron core is fixedly connected with this shielding bottom with coil one end.
8. according to claim 1 or the 2 or 4 described moving iron unit that are used for loudspeaker arrangement, it is characterized in that: the said ring that shakes adopts the O type ring that shakes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203115583U CN202183866U (en) | 2011-08-25 | 2011-08-25 | Moving iron unit for loudspeaking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203115583U CN202183866U (en) | 2011-08-25 | 2011-08-25 | Moving iron unit for loudspeaking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202183866U true CN202183866U (en) | 2012-04-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203115583U Expired - Fee Related CN202183866U (en) | 2011-08-25 | 2011-08-25 | Moving iron unit for loudspeaking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202183866U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103428620A (en) * | 2012-05-18 | 2013-12-04 | 周巍 | Counter weight device for movable gaugger conduction type receiver |
| CN103428616A (en) * | 2012-05-18 | 2013-12-04 | 周巍 | Overlaying piece type armature device for moving-iron type loudspeaker or receiver |
-
2011
- 2011-08-25 CN CN2011203115583U patent/CN202183866U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103428620A (en) * | 2012-05-18 | 2013-12-04 | 周巍 | Counter weight device for movable gaugger conduction type receiver |
| CN103428616A (en) * | 2012-05-18 | 2013-12-04 | 周巍 | Overlaying piece type armature device for moving-iron type loudspeaker or receiver |
| CN103428620B (en) * | 2012-05-18 | 2018-05-04 | 苏州逸巛声学科技有限公司 | For moving the counter weight device of gagger conduction-type receiver |
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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 | ||
| CP02 | Change in the address of a patent holder |
Address after: 215011, C4039 building, building 1, Suzhou Pioneer Park, No. 209 Chuk Yuen Road, hi tech Zone, Jiangsu, Suzhou Patentee after: Suzhou Hengting Electronic Co., Ltd. Address before: 215129 No. 48 Baima street, Baima hi tech Industrial Development Zone, Jiangsu, Suzhou Patentee before: Suzhou Hengting Electronic Co., Ltd. |
|
| DD01 | Delivery of document by public notice |
Addressee: Suzhou Hengting Electronic Co., Ltd. Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120404 Termination date: 20140825 |
|
| EXPY | Termination of patent right or utility model |