CN202617336U - Loudspeaker diaphragm and dome loudspeaker - Google Patents
Loudspeaker diaphragm and dome loudspeaker Download PDFInfo
- Publication number
- CN202617336U CN202617336U CN 201220110680 CN201220110680U CN202617336U CN 202617336 U CN202617336 U CN 202617336U CN 201220110680 CN201220110680 CN 201220110680 CN 201220110680 U CN201220110680 U CN 201220110680U CN 202617336 U CN202617336 U CN 202617336U
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- ring
- diaphragm
- loudspeaker
- metal
- scrobicular ring
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Abstract
In order to alleviate distortion caused by segmentation vibration and meanwhile improve soft materials in terms of a sound feature change with changes in temperature, humidity or other environmental factors, the utility model provides a loudspeaker diaphragm and a dome loudspeaker. The loudspeaker diaphragm comprises a folding ring and a vibrating diaphragm. The folding ring is made of soft materials. The vibrating diaphragm is an annular one. The outer ring of the annular vibrating diaphragm is a metal recessed ring with a groove in the center. The cross section of the metal recessed ring is V-shaped. The area of the metal recessed ring is a half of the whole area of the loudspeaker diaphragm. The annular vibrating diaphragm and the folding ring have an integral structure made of soft materials. The metal recessed ring is glued on the outer surface of the annular vibrating diaphragm or an inner ring of the annular vibrating diaphragm is made of the same soft materials as the folding ring is made. The metal recessed ring is respectively connected with the folding ring and the inner ring of the annular vibrating diaphragm.
Description
Technical field
The utility model relates to a kind of diaphragm of loudspeaker, relates in particular to a kind of Dome loudspeaker that has the circular diaphragm of composite material and adopt this diaphragm structure.
Background technology
Dome loudspeaker is one of most popular dynamic speaker in the present audio amplifier, and its great advantage is the excellent and directive property broad of medium-high frequency response.In addition, it has also that transient response is good, distortion is little and advantage such as tonequality is better, is applicable to the medium-high frequency loud speaker.
Diaphragm materials as Dome loudspeaker; Usually be divided into two big types; One type is soft ball top, and the vibration material that such loud speaker adopted mostly is a soft material, like paper, resin, various artificial or natural silk silk weaving product, staple fibre, chemical fibre or rubber type of material or the like; Second type is the hard sphere top, and diaphragm materials is various metallic films, such as aluminium foil, and titanium foil and beryllium paper tinsel etc., this material stiffness is strong, adopts the medium-high frequency dome loudspeaker of metal vibrating diaphragm to have higher frequency response characteristic, and the medium-high frequency details is abundant and transient state is outstanding.
Cutting apart vibration is the inevitable phenomenon of loud speaker; Sound is to cause the reason of cutting apart vibration with horizontal standing wave radially on vibrating diaphragm, when frequency high more, obvious more from vibrating diaphragm middle part to the vibration propagation time difference of ring; The cut zone of vibration is just more little, and it is obviously that the distortion of frequency is also just got over." electroacoustic techniques " nineteen ninety the 2nd interim having delivered " a kind of new technology of eliminating tweeter and mid frequency ludspeaker high-frequency resonance "; Medium-high frequency loud speaker to soft material and metal material in the literary composition is studied, and the result shows that they all can not solve the problem of high-frequency resonance.The interior damage of metal material that hard sphere pushes up employing is low, and energy can not absorbed by vibrating diaphragm material itself, appear at the high-end of frequency response so cut apart the formant that has clearly when vibrating, and is easy to appearance " metallic sound ".Though soft ball top sound pressure characteristic is better, does not have the high-frequency resonance peak, near high frequency, can produce the phenomenon of cutting apart vibration, thereby produce distortion.
On the other hand, soft material is subject to environmental influence, and produces the change of sound property, causes distortion.Such as: the sound property of cone is smooth-going nature, and is better for the details performance of transient response and sense of hearing.But its characteristic can change with ambient humidity.The plastics vibrating diaphragm is meant the one-body molded awl basin made from plastics ejection formation or alternate manner, very tough of this material, and damping characteristic is fine, the submissive nature of sense of hearing, but tendency that it can pronunciation characteristics changes with temperature change.Artificial or natural silk weaving product is made the loud speaker of vibrating diaphragm, and the exquisiteness that when playing back music, seems is soft to be rich in the music flavor, but moisture-sensitive influences the transfer voice characteristic.
The utility model content
In order to reduce to cut apart the distortion that vibration brings; Improve soft material simultaneously and change with the sound property that temperature, humidity or other environmental changes occur, the utility model proposes a kind of diaphragm of loudspeaker, comprises ring and vibrating membrane; Said ring is a soft material;, said vibrating membrane is a circular diaphragm, said circular diaphragm outer shroud is a reeded metal scrobicular ring in centre.
Especially, the shape of cross section of said metal scrobicular ring is a V-type, and the area of said metal scrobicular ring accounts for 1/2 of said diaphragm of loudspeaker area.
Further, said circular diaphragm and ring are the integrative-structure that soft material is processed, and said metal scrobicular ring is gluing in the outer surface of said circular diaphragm.Perhaps, ring is to process with the soft material of said ring same material in the said circular diaphragm, and said metal scrobicular ring links together with the interior ring of said ring and said circular diaphragm respectively.
Said metal material is aluminium alloy, titanium, titanium mixture, beryllium or beryllium alloy, and said soft material is that paper, resin, tiffany are knitted product, fiber, chemical fibre or rubber type of material.
Further, the thickness of said metal scrobicular ring is the millimeter 10-2 order of magnitude.
The utility model also proposes a kind of Dome loudspeaker that adopts the above-mentioned diaphragm of loudspeaker to support, and especially, it is integrated that the loudspeaker voice coil skeleton is positioned at the speech coil framework and the said metal scrobicular ring of groove or loud speaker of said metal scrobicular ring.
Further, said Dome loudspeaker is high frequency or mid frequency ludspeaker.
This Dome loudspeaker can reduce to cut apart the distortion that vibration brings, and reduces soft material and changes with the sound property that temperature, appropriateness or other environmental changes occur, and simultaneously, improves the heat dissipation problem of voice coil loudspeaker voice coil.
Further feature of the utility model and advantage will be set forth in specification subsequently, and, partly from specification, become obvious, perhaps understand through implementing the utility model.The purpose of the utility model can realize through the structure that in the specification of being write, claims and accompanying drawing, is particularly pointed out and obtain with other advantages.
Introduce preferred embodiment below in conjunction with accompanying drawing, the technical scheme that the utility model is proposed specifies.Should be noted that the purpose of accompanying drawing just is convenient to the explanation to the utility model specific embodiment, is not a kind of unnecessary narration or to the restriction of the utility model scope.
Description of drawings
Fig. 1 is the diaphragm of loudspeaker structural perspective of the utility model first embodiment.
Fig. 2 is the vertical view and the cutaway view of the diaphragm of loudspeaker structure of the utility model first embodiment.
Fig. 3 is the utility model second embodiment diaphragm of loudspeaker structural perspective.
Fig. 4 is the vertical view and the cutaway view of the utility model second embodiment diaphragm of loudspeaker structure.
Embodiment
Embodiment one
As depicted in figs. 1 and 2, the diaphragm of loudspeaker of the utility model comprises ring 11 and a circular diaphragm, and the outer shroud of this circular diaphragm is the metal scrobicular ring 13 with groove 14.
The material of ring 11 is generally soft material, knits product, fiber, chemical fibre or rubber type of material like paper, resin, tiffany, and what adopt in the present embodiment is the rubber cotton; Promptly on cotton, soak and be stained with one deck resin; Heating is shaped, and is coated with one deck elastomeric material again, prevents that gas leakage and damping from cutting apart vibration.Metal scrobicular ring 13 adopts aluminium alloy, and its thickness is about 0.075mm.Different according to user's request, also can select for use optional with titanium, titanium mixture, beryllium or beryllium alloy,
In the present embodiment, the interior ring 12 of vibrating membrane is all the rubber cotton and processes, and is promptly identical with ring 11 materials, and said metal scrobicular ring 13 is gluing and couple together with ring 11 and interior ring 12 respectively, shown in the cutaway view of Fig. 2.When the speech coil framework of Dome loudspeaker is fixed in this moment, sound wave is from here to external radiation.
Produce for ease, also can select circular diaphragm and ring for use is the integrally formed structure that soft material is processed, on the gluing outer ring surface that is covered in said circular diaphragm of metal scrobicular ring.
Utilize the diaphragm of loudspeaker of the utility model, both can reduce, can improve soft material simultaneously again and change, reduce cost with the sound property that temperature, humidity or other environmental changes occur because of cutting apart the distortion that vibration brings.
Embodiment two
Find that through test the shape of metal scrobicular ring is different with area, its sound pressure frequency characteristic changes to some extent, and is also different to the influence of high-frequency resonance.We improve diaphragm structure on the basis of embodiment one, like Fig. 3 and shown in Figure 4.The shape of cross section of said metal scrobicular ring 03 is a V-type, and the area of said metal scrobicular ring 03 accounts for 1/2 of whole diaphragm of loudspeaker area.Experiment shows that the vibrating diaphragm of this kind structure is the most remarkable to the dispersion effect of high-frequency resonance.
Embodiment three
We are applied to the vibrating diaphragm of this structure on intermediate frequency or the high frequency Dome loudspeaker, find that its high pitch frequency response curve is very level and smooth, and high frequency can easily arrive 40K, and material cost is not high, and difficulty of processing is low, are suitable for to produce in enormous quantities.
Especially, in order to solve heat dissipation problem better, reduce to separate the distortion that vibration brings; Can speech coil framework be fixed in the groove of metal scrobicular ring; Or speech coil framework and metal scrobicular ring is integrated, can save the bonding process of vibrating diaphragm and speech coil framework, can improve frequency response and transient curve again.
The above only is the preferred implementation of the utility model; But not to be the limitation of the utility model scope should be understood that for they; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, the some improvement done and retouching also should be regarded as within the protection range of the utility model.
Claims (10)
1. a diaphragm of loudspeaker comprises ring and vibrating membrane, and said ring is a soft material, it is characterized in that, said vibrating membrane is a circular diaphragm, and said circular diaphragm outer shroud is a reeded metal scrobicular ring in centre.
2. the diaphragm of loudspeaker according to claim 1 is characterized in that, the shape of cross section of said metal scrobicular ring is a V-type,
3. the diaphragm of loudspeaker according to claim 1 is characterized in that the area of said metal scrobicular ring accounts for 1/2 of said diaphragm of loudspeaker area.
4. the diaphragm of loudspeaker according to claim 1 is characterized in that, said circular diaphragm and ring are the integrative-structure that soft material is processed, and said metal scrobicular ring is gluing in the outer surface of said circular diaphragm.
5. the diaphragm of loudspeaker according to claim 1 is characterized in that, ring is to process with the soft material of said ring same material in the said circular diaphragm, and said metal scrobicular ring links together with the interior ring of said ring and said circular diaphragm respectively.
6. according to the arbitrary described diaphragm of loudspeaker of claim 1～5, it is characterized in that said metal material is aluminium alloy, titanium, titanium mixture, beryllium or beryllium alloy, said soft material is that paper, resin, tiffany are knitted product, fiber, chemical fibre or rubber type of material.
7. the diaphragm of loudspeaker according to claim 1 is characterized in that, the thickness of said metal scrobicular ring is millimeter 10
-2The order of magnitude.
8. a Dome loudspeaker is characterized in that, comprises arbitrary described diaphragm of loudspeaker in the claim 1～7.
9. loud speaker according to claim 8 is characterized in that the speech coil framework of said loud speaker is positioned at the groove of said metal scrobicular ring.
10. loud speaker according to claim 8 is characterized in that the speech coil framework of said metal scrobicular ring and said loud speaker is integrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220110680 CN202617336U (en) | 2012-03-22 | 2012-03-22 | Loudspeaker diaphragm and dome loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220110680 CN202617336U (en) | 2012-03-22 | 2012-03-22 | Loudspeaker diaphragm and dome loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202617336U true CN202617336U (en) | 2012-12-19 |
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ID=47351002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220110680 Expired - Fee Related CN202617336U (en) | 2012-03-22 | 2012-03-22 | Loudspeaker diaphragm and dome loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202617336U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333833A (en) * | 2014-09-05 | 2015-02-04 | 东莞市劲瑞电子有限公司 | Fabric composite film, and preparation method and application thereof |
| CN104469627A (en) * | 2013-12-18 | 2015-03-25 | 东莞泉声电子有限公司 | Acoustic metal vibrating diaphragm |
| CN107071664A (en) * | 2017-04-28 | 2017-08-18 | 北京欧意智能科技有限公司 | Low noise vibrating diaphragm and comprehensive sounding loudspeaker |
-
2012
- 2012-03-22 CN CN 201220110680 patent/CN202617336U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104469627A (en) * | 2013-12-18 | 2015-03-25 | 东莞泉声电子有限公司 | Acoustic metal vibrating diaphragm |
| TWI565332B (en) * | 2013-12-18 | 2017-01-01 | Transound? Electronics Co Ltd | Acoustic metal diaphragm |
| CN104333833A (en) * | 2014-09-05 | 2015-02-04 | 东莞市劲瑞电子有限公司 | Fabric composite film, and preparation method and application thereof |
| CN104333833B (en) * | 2014-09-05 | 2018-07-06 | 东莞市劲瑞电子有限公司 | Fabric composite membrane and preparation method thereof and its application |
| CN107071664A (en) * | 2017-04-28 | 2017-08-18 | 北京欧意智能科技有限公司 | Low noise vibrating diaphragm and comprehensive sounding loudspeaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20150322 |
|
| EXPY | Termination of patent right or utility model |