CN2774064Y - Planar audio-frequency loundspeaker - Google Patents
Planar audio-frequency loundspeaker Download PDFInfo
- Publication number
- CN2774064Y CN2774064Y CN 200420117862 CN200420117862U CN2774064Y CN 2774064 Y CN2774064 Y CN 2774064Y CN 200420117862 CN200420117862 CN 200420117862 CN 200420117862 U CN200420117862 U CN 200420117862U CN 2774064 Y CN2774064 Y CN 2774064Y
- Authority
- CN
- China
- Prior art keywords
- basin
- loudspeaker
- sound basin
- support
- circle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a loudspeaker with a planar sound basin, which comprises the sound basin (1) with a central hole, elastic support rings (2, 3) supporting the sound basin (1), a central magnet portion positioned in the central hole, a speech coil (6) which is connected with the central opening, and brackets (9, 10) which support the central magnet portion and the elastic support rings (2, 3), wherein the central magnet portion passes through the hollow portion of the speech coil. In addition, an electric connection terminal (8) is also arranged on the bracket. In the loudspeaker with a planar sound basin of the utility model, the entire magnetic circuit structure is arranged in the planar sound basin; thus, compared with the physical design of a common typical loudspeaker, the loudspeaker planar with a sound basin of the utility model is thinner and has the advantages of lighter weight, more beautiful appearance and more convenient installation.
Description
Technical field
The utility model relates to a kind of loud speaker that is used to convert the electrical signal to voice signal, relates in particular to a kind of dull and stereotyped voice basin loudspeaker.
Background technology
Common typical voice basin loudspeaker structure is generally by a sound basin body and is connected to a voice coil loudspeaker voice coil that is suspended in the magnetic field that is positioned at the basin body below, and this structure must provide the needed movement travel displacement of sound basin and satisfy the voice coil loudspeaker voice coil of this travel displacement requirement and the geometry of magnetic structure.Because magnetic field is positioned at the below of sound basin, therefore the loud speaker of this structure is thicker usually, and volume is bigger, weight is also bigger, can not satisfy the installation needs under the various occasions, the installation in the limited scope in especially inapplicable space for example is unsuitable for being used for the sound system, car phone of automobile etc.
Therefore, need a kind of novel thinner, dull and stereotyped voice basin loudspeaker that volume is littler, to satisfy various installation needs.
The utility model content
The purpose of this utility model provides the dull and stereotyped voice basin loudspeaker that a kind of thickness reduces greatly.
Dull and stereotyped voice basin loudspeaker of the present utility model is arranged on a dull and stereotyped sound basin inside with whole magnetic structure, by a unbroken loop around supporting bracket the support of sound basin and magnetic structure is provided.Specifically, dull and stereotyped voice basin loudspeaker of the present utility model comprises:
Flat sound basin, it has center drilling;
The resiliency supported circle, it comprises upper support circle and lower support circle, this resiliency supported circle provides support for the sound basin;
Voice coil loudspeaker voice coil, it is formed by the metal wire coiling, and it is connected with the center drilling place of sound basin at the sound basin, and can drive the vibration of sound basin;
Be positioned at the centring magnet part of voice coil loudspeaker voice coil hollow space, two permanent magnets that it comprises a central core and is positioned at the central core both sides, the modes of emplacement of two permanent magnets makes that its magnetic direction is opposite, and the magnetic line of force is entered by the outer surface that central iron core sets out respectively by two permanent magnets again; And
Support, it is made by permeability magnetic material, comprises the upper bracket and the lower bracket that have flange, and described support partly is supported on its core with centring magnet, and the resiliency supported circle is supported between the flange of support; Supporting bracket is provided with electric connection terminal, and voice coil loudspeaker voice coil is connected to this terminal.
In addition, dull and stereotyped voice basin loudspeaker of the present utility model also can comprise the auxiliary radiator that is arranged on the described support.
Because dull and stereotyped voice basin loudspeaker of the present utility model is arranged on a dull and stereotyped sound basin inside, the movement travel displacement that its whole assembling degree of depth can be a loudspeaker cone with whole magnetic structure.Therefore, compare with the structural design of common typical speaker, dull and stereotyped voice basin loudspeaker of the present utility model is wanted Bao Deduo, and quality is lighter, and its outward appearance is more attractive in appearance, installs also more convenient.In addition, by on dull and stereotyped voice basin loudspeaker support, auxiliary radiator being installed, produce better acoustics thereby can strengthen bass output.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 is the structural representation of the dull and stereotyped voice basin loudspeaker of the utility model.
Embodiment
As shown in Figure 1, the dull and stereotyped voice basin loudspeaker of the utility model comprises sound basin 1, resiliency supported circle 2,3, centring magnet part, voice coil loudspeaker voice coil 6, and support 9,10.
Wherein, sound basin 1 is flat substantially and parts that do not have bending substantially, and its interior geometry has guaranteed that it has enough planarizations and enough rigidity, thereby can flexural deformation.Sound basin central authorities are a center drilling.Wherein, described sound basin 1 can be the sound basin that comprises upper strata diaphragm, intermediate layer biliquid mixed foaming glue and lower floor's diaphragm, and it is in light weight, and vibrating effect is good.Certainly, the intermediate layer also can be known available other materials filling.
What provide support for sound basin 1 is resiliency supported circle 2,3, and it is two damping stop annular edge of supporting linear movements.Upper support circle 2 and lower support circle 3 are trapezoidal setting, and to guarantee the linear movement of loudspeaker cone 1, for example the sound basin upwards is moveable to position P1, is moveable to position P2 downwards.The movement travel of loud speaker is run into support 9,10 by the control of the linear span of two resiliency supported circle stop annular edge to prevent sound basin 1.
Voice coil loudspeaker voice coil 6 is connected the center drilling inboard of sound basin 1, and it is formed by compound solid wire coiling, and voice coil loudspeaker voice coil 6 can drive 1 axial vibration of sound basin.Centring magnet partly is positioned at voice coil loudspeaker voice coil 6 hollow spaces, and the internal diameter of voice coil loudspeaker voice coil 6 is greater than the external diameter of centring magnet part, and the roomy part of its coil turn is passed iron core.They two permanent magnets 4 that comprise a central core 5 and be positioned at the central core both sides of centring magnet part.The driving energy of speaker system is just partly provided by this centring magnet.Two permanent magnets 4 after being magnetized repel mutually in the magnetic region under the situation of (magnetic direction is opposite) to be placed, the magnetic line of force is entered by the outer surface that central iron core 5 sets out respectively by two permanent magnets 4 again, thereby set up the magnetic field 5a of a Crossed Circle, the permanent magnetism district of this form can cover the whole electromagnetic field zone that the mechanical response moving displacement of voice coil loudspeaker voice coil 6 requires, and guarantees that the sound basin moves linearly with the variation of signal.The coil of voice coil loudspeaker voice coil 6 is positioned as close to iron core, thereby improves electromagnetic conversion efficient as much as possible.The metal wire of voice coil loudspeaker voice coil 6 is connected with electric connection terminal 8 by lead 7, thereby provides electric energy for voice coil loudspeaker voice coil.The length of lead 7 and geometry must satisfy the requirement that sound basin 1 is made maximum stroke.
But support 9,10 is made by the steel matter of magnetic conduction, comprises the upper bracket 9 and the lower bracket 10 that have flange, and support is provided with electric connection terminal 8, and described lead 7 links to each other with this terminal.This support Design provides the support of magnetic structure and the support on resiliency supported circle Crossed Circle limit, thereby the support to the sound basin is provided.Like this, support 9,10 is supported on its core with centring magnet part 3, and resiliency supported circle 2,3 is supported between the flange of support 9,10.Simultaneously, but, therefore can cause the magnetic field shielding protection that provides certain when disturbing, reduce magnetic interference at instrument and the electric equipment that permanent-magnetic field magnetic energy leaks periphery because support adopts the steel matter of magnetic conduction.The shape of support 9,10 is not limited to the shape shown in the accompanying drawing, and it also can be other forms of mechanical connection with being connected of centring magnet part, as is threaded.
In addition, the concentric and/or eccentric position at support 9,10 can be equipped with auxiliary radiator 11.This auxiliary radiator is the bass radiator of known technology, itself does not have magnet and voice coil loudspeaker voice coil, and its vibrating diaphragm is subjected to loud speaker bass acoustic pressure and produces resonance, thereby strengthens bass output, obtains the better sound result of broadcast.
The dull and stereotyped voice basin loudspeaker of the utility model the foregoing description is to be used for explaining and unrestricted claim of the present utility model.Other embodiment or conversion scheme under the innovation and creation design disclosed in the utility model should fall within the application's scope required for protection.
Claims (4)
1, a kind of dull and stereotyped voice basin loudspeaker is characterized in that, described dull and stereotyped voice basin loudspeaker comprises:
Flat sound basin (1), it has center drilling;
Resiliency supported circle (2,3), it comprises upper support circle (2) and lower support circle (3), this resiliency supported circle is that sound basin (1) provides support;
Voice coil loudspeaker voice coil (6), it is formed by the metal wire coiling, and it is connected with the center drilling place of sound basin (1) at sound basin (1), and can drive the vibration of sound basin;
Be positioned at the centring magnet part of voice coil loudspeaker voice coil (6) hollow space, two permanent magnets (4) that it comprises a central core (5) and is positioned at the central core both sides, the modes of emplacement of two permanent magnets (4) makes that its magnetic direction is opposite, and the magnetic line of force is entered by the outer surface that central iron core (5) sets out respectively by two permanent magnets (4) again; And
Support (9,10), it is made by permeability magnetic material, comprise the upper bracket (9) and the lower bracket (10) that have flange, described support (9,10) partly is supported on its core with centring magnet, and resiliency supported circle (2,3) is supported between the flange of support (9,10); Supporting bracket is provided with electric connection terminal (8), and voice coil loudspeaker voice coil (6) is connected to this terminal.
2, dull and stereotyped voice basin loudspeaker according to claim 1, it is characterized in that: described resiliency supported circle (2,3) upper support circle (2) and lower support circle (3) are trapezoidal setting, the linear movement stroke of sound basin (1) is by the linear span control of resiliency supported circle, to prevent sound basin (1) and support (9,10) contact.
3, dull and stereotyped voice basin loudspeaker according to claim 1 is characterized in that: described sound basin (1) comprises upper strata diaphragm, intermediate layer and lower floor's diaphragm.
4, dull and stereotyped voice basin loudspeaker according to claim 1 is characterized in that: also comprise the auxiliary radiator (11) that is arranged on the described support (9,10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420117862 CN2774064Y (en) | 2004-10-26 | 2004-10-26 | Planar audio-frequency loundspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420117862 CN2774064Y (en) | 2004-10-26 | 2004-10-26 | Planar audio-frequency loundspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2774064Y true CN2774064Y (en) | 2006-04-19 |
Family
ID=36709327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420117862 Expired - Fee Related CN2774064Y (en) | 2004-10-26 | 2004-10-26 | Planar audio-frequency loundspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2774064Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101990151A (en) * | 2010-12-06 | 2011-03-23 | 天津中环真美声学技术有限公司 | Dual corrugated ring planar loudspeaker |
| CN101990149A (en) * | 2010-12-06 | 2011-03-23 | 天津中环真美声学技术有限公司 | Sound basin of dual edge flat-plate loudspeaker |
| WO2015139567A1 (en) * | 2014-03-17 | 2015-09-24 | 陈坚胜 | Loudspeaker cone |
-
2004
- 2004-10-26 CN CN 200420117862 patent/CN2774064Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101990151A (en) * | 2010-12-06 | 2011-03-23 | 天津中环真美声学技术有限公司 | Dual corrugated ring planar loudspeaker |
| CN101990149A (en) * | 2010-12-06 | 2011-03-23 | 天津中环真美声学技术有限公司 | Sound basin of dual edge flat-plate loudspeaker |
| WO2015139567A1 (en) * | 2014-03-17 | 2015-09-24 | 陈坚胜 | Loudspeaker cone |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060419 Termination date: 20111026 |