CN108718429B - Novel ultra-thin loudspeaker - Google Patents
Novel ultra-thin loudspeaker Download PDFInfo
- Publication number
- CN108718429B CN108718429B CN201810881064.5A CN201810881064A CN108718429B CN 108718429 B CN108718429 B CN 108718429B CN 201810881064 A CN201810881064 A CN 201810881064A CN 108718429 B CN108718429 B CN 108718429B
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- China
- Prior art keywords
- drum paper
- drum
- basin frame
- paper
- middle hole
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052742 iron Inorganic materials 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims abstract description 7
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 3
- 239000007787 solid Substances 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
- H04R1/083—Special constructions of mouthpieces
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
A novel ultra-thin horn, comprising: the basin stand is provided with a first annular step at the bottom, a second annular step at the waist and an annular folded edge at the top; the magnetic return assembly comprises U-shaped iron, a main magnet, a washer and an auxiliary magnet, wherein the U-shaped iron is provided with an inverted T-shaped structure which is embedded with the basin frame for installation and combination; the first drum paper is internally provided with a first drum paper middle hole, and the edge of the first drum paper middle hole is attached to the top of the voice coil; and the second drum paper is internally provided with a second drum paper middle hole, and the edge of the second drum paper middle hole is attached to the bottom surface of the first drum paper to form a double drum paper interconnection vibration structure and provide axial elastic support for the first drum paper. The invention has the advantages of ultra-thin whole, large power, small distortion, low frequency and high thickness, compact basin frame design and solid structure, has the special shape of double-drum paper interconnection vibration and cone-convex combination, ensures the limit height requirement of the loudspeaker, effectively saves the extension response of high-frequency cut-off frequency, and is better connected with the high-pitch loudspeaker after being assembled.
Description
Technical Field
The invention relates to the technical field of speakers, in particular to a novel ultrathin speaker.
Background
Various portable bluetooth speaker, WIFI audio amplifier, intelligent audio amplifier in the present market all need the product to reproduce perfect tone quality under the less circumstances of volume, this just has very high requirement and restriction to loudspeaker tone (low frequency response) and loudspeaker height of installing in the audio amplifier. Only by adopting the design of an ultrathin loudspeaker, the height limit of the loudspeaker is broken through in the product structure and the connection process, so that the sound quality requirement can be met, and the trend of using portable equipment in the times and markets can be fused.
However, such devices in the prior art mostly adopt the traditional woofer, the paper-bulging adopts the complete cone basin structure, which has the defects of too large volume and installation height, and also needs the elastic wave with complex structure to support, so that the height of the horn is too high to interfere with the installation of the sound box structure, or the sound box structure cannot radiate a powerful low-frequency output response under the condition of highly meeting the ultra-thin requirement.
Therefore, the materials, shapes and development techniques of the horn parts in the prior art have bottlenecks.
Disclosure of Invention
The invention provides a novel ultrathin loudspeaker for overcoming the defects of the prior art.
In order to achieve the above object, the present invention adopts the following technical scheme.
A novel ultra-thin horn, comprising:
the basin frame is characterized in that a first annular step which is turned inwards is arranged at the bottom of the basin frame along the middle axis, a second annular step which is turned outwards is arranged at the waist of the basin frame along the middle axis, and an annular folded edge which is turned outwards horizontally is arranged at the top of the basin frame along the middle axis;
the magnetic return assembly comprises U-shaped iron, a main magnet, a washer and an auxiliary magnet, wherein the U-shaped iron is provided with an inverted T-shaped structure which is combined with a first annular step of a basin frame to form an embedded installation assembly, the inverted T-shaped structure comprises a bottom plate combined with the first annular step, the top surface of the bottom plate is provided with a center post embedded into the basin frame, the top of the center post is provided with a cavity, the main magnet, the washer and the auxiliary magnet are sequentially stacked in the cavity from bottom to top, the poles of the main magnet and the auxiliary magnet are opposite, and the outer edge side wall of the washer and the inner side wall of the cavity form a magnetic circuit gap;
the voice coil is matched with the magnetic return assembly, and the lower part of the voice coil is arranged in the magnetic circuit gap;
the first drum paper is matched with the basin frame, the outer edge of the first drum paper is attached to the annular folded edge, a first drum paper middle hole is formed in the first drum paper, and the edge of the first drum paper middle hole is attached to the top of the voice coil;
the second drum paper is matched with the basin frame, the outer edge of the second drum paper is jointed with the second annular step, a second drum paper middle hole is formed in the second drum paper, and the edge of the second drum paper middle hole is jointed with the bottom surface of the first drum paper to form a double drum paper interconnection vibration structure and provide axial elastic support for the first drum paper;
the wiring terminal is arranged on the outer side wall of the basin frame and is connected with the lead wire of the voice coil;
the dustproof cap is stuck on the top of the voice coil.
Further, the first drum paper comprises a first combining part which is positioned at the outer edge of the first drum paper and is used for being jointed with the annular folded edge, an arc-shaped protruding part is arranged on the inner side of the first combining part, a V-shaped concave part is arranged on the inner side of the arc-shaped protruding part of the first drum paper, a second combining part which is used for being jointed with the voice coil is arranged on the inner side of the V-shaped concave part of the first drum paper, a middle hole of the first drum paper is formed by the second combining part, and the tip end of the bottom of the V-shaped concave part is jointed with the edge of the middle hole on the second drum paper.
Further, the second paper drum comprises a third combining part positioned at the outer edge of the second paper drum and used for being jointed with a second annular step, an arc-shaped concave part is arranged on the inner side of the third combining part, a supporting part extending towards the bottom of the V-shaped concave part of the first paper drum is arranged on the inner side of the arc-shaped concave part, a fourth combining part jointed with the tip of the bottom of the V-shaped concave part is arranged at the tail end of the supporting part, and the middle hole of the second paper drum is formed by the fourth combining part.
Compared with the prior art, the invention has the beneficial effects that:
the structure design not only ensures the limit height requirement of the loudspeaker, but also effectively saves the extension response of the high-frequency cut-off frequency.
(1) The loudspeaker is ultrathin, high in power, small in distortion and low in frequency and thick, the basin frame is small in design and firm in structure, and the loudspeaker is suitable for being installed and matched with various sound boxes.
(2) The loudspeaker drum paper has the special shape of double drum paper interconnection vibration and cone convex combination, which not only ensures the limit height requirement of the loudspeaker, but also effectively saves the extension response of high-frequency cut-off frequency, and the low-frequency tone is thick, round and powerful in appearance and better connected with the high-pitch loudspeaker after being assembled;
(3) The embedded magnetic return assembly further effectively reduces the limit height of the loudspeaker;
the invention is further described below with reference to the drawings and detailed description.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an exploded view of the structure of the present invention.
Detailed Description
As shown in fig. 1 and 2, a novel ultra-thin horn includes:
the basin frame 1, the bottom of the basin frame 1 is provided with a first annular step 11 which is turned inwards along the middle axis, the waist of the basin frame 1 is provided with a second annular step 12 which is turned outwards along the middle axis, and the top of the basin frame 1 is provided with an annular folded edge 13 which is turned outwards horizontally along the middle axis;
the magnetic return assembly 2 comprises a U-shaped iron 21, a main magnet 22, a washer 23 and an auxiliary magnet 24, wherein the U-shaped iron 21 is provided with an inverted T-shaped structure which is combined with a first annular step 11 of the basin frame 1 to form an embedded installation combination, the inverted T-shaped structure comprises a bottom plate 211 combined with the first annular step 11, the top surface of the bottom plate 211 is provided with a center column 212 embedded into the basin frame 1, the top of the center column 212 is provided with a cavity 213, the main magnet 22, the washer 23 and the auxiliary magnet 24 are sequentially stacked in the cavity 213 from bottom to top, the main magnet 22 and the auxiliary magnet 24 are opposite in polarity, and the outer side wall of the washer 23 and the inner side wall of the cavity 213 form a magnetic circuit gap 25;
a voice coil 3 which is matched with the magnetic return assembly 2 and the lower part of which is arranged in the magnetic circuit gap 25;
the first drum paper 4 is matched with the basin frame 1, the outer edge of the first drum paper 4 is attached to the annular folded edge 13, a first drum paper middle hole 40 is formed in the first drum paper, and the edge of the first drum paper middle hole 40 is attached to the top of the voice coil 3;
the second drum paper 5 is matched with the basin frame 1, the outer edge of the second drum paper 5 is attached to the second annular step 12, a second drum paper middle hole 50 is formed in the second drum paper, and the edge of the second drum paper middle hole 50 is attached to the bottom surface of the first drum paper 4 to form a double drum paper interconnection vibration structure and provide axial elastic support for the first drum paper 4;
the wiring terminal 6 is arranged on the outer side wall of the basin frame 1, and the wiring terminal 6 is connected with a lead wire of the voice coil 3;
and a dust cap 7 adhered to the top of the voice coil 3.
The novel ultrathin loudspeaker in the technical scheme does not adopt a traditional loudspeaker elastic wave structure, but adopts the second paper drum 5 to replace the traditional loudspeaker elastic wave to provide axial elastic support for the first paper drum 4, so that a double-paper-drum interconnection vibration structure combining the first paper drum 4 and the second paper drum 5 is formed. The second drum paper 5 also provides axial elastic support and amplitude limiting control for the first drum paper 4, which not only helps to realize the ultra-thin concept of the loudspeaker, but also relatively enhances the low-frequency radiation force of the loudspeaker. For an ultrathin loudspeaker, the dual-drum paper interconnection vibration structure combined by the first drum paper 4 and the second drum paper 5 obviously improves the sensitivity of the loudspeaker, and also increases the thickness of the low-frequency tone of the loudspeaker.
Further, the first paper 4 includes a first coupling portion 41 located at the outer edge thereof for attaching the annular flange 13, the first paper 4 has an arc-shaped protrusion portion 42 at the inner side of the first coupling portion 41, the first paper 4 has a V-shaped recess portion 43 at the inner side of the arc-shaped protrusion portion 42, the first paper 4 has a second coupling portion 44 at the inner side of the V-shaped recess portion 43 for attaching the voice coil 3, the first paper middle hole 40 is formed by the second coupling portion 44, and the bottom tip of the V-shaped recess portion 43 is attached to the edge of the middle hole 50 on the second paper 5.
Further, the second paper drum 5 includes a third coupling portion 51 located at an outer edge thereof for attaching to the second annular step 12, the second paper drum 5 has an arc-shaped recess 52 at an inner side of the third coupling portion 51, the second paper drum 5 has a supporting portion 53 extending toward a bottom of the V-shaped recess 43 of the first paper drum 4 at an inner side of the arc-shaped recess 52, the second paper drum 5 has a fourth coupling portion 54 attached to a bottom tip of the V-shaped recess 43 at an end of the supporting portion 53, and the second paper drum middle hole 50 is formed by the fourth coupling portion 54.
According to the novel ultrathin loudspeaker in the technical scheme, the first drum paper 4 is provided with the conical convex combination special shape formed by the arc-shaped convex part 42 and the V-shaped concave part 43, but not the complete conical basin structure adopted by the drum paper in the traditional woofer, so that the volume and the installation height of the novel ultrathin loudspeaker are obviously reduced, the height of the basin frame 1 can be further reduced, the limit height requirement of the loudspeaker is ensured, the extension response of the high-frequency cut-off frequency is effectively saved, the low-frequency tone is in a complete and round shape and is powerful, and the novel ultrathin loudspeaker is better connected with the tweeter after being assembled.
Various other corresponding changes and modifications will occur to those skilled in the art from the disclosure herein, and all such changes and modifications are intended to be included within the scope of the present invention.
Claims (3)
1. A novel ultra-thin loudspeaker, characterized by comprising:
the basin frame is characterized in that a first annular step which is turned inwards is arranged at the bottom of the basin frame along the middle axis, a second annular step which is turned outwards is arranged at the waist of the basin frame along the middle axis, and an annular folded edge which is turned outwards horizontally is arranged at the top of the basin frame along the middle axis;
the magnetic return assembly comprises U-shaped iron, a main magnet, a washer and an auxiliary magnet, wherein the U-shaped iron is provided with an inverted T-shaped structure which is combined with a first annular step of a basin frame to form an embedded installation assembly, the inverted T-shaped structure comprises a bottom plate combined with the first annular step, the top surface of the bottom plate is provided with a center post embedded into the basin frame, the top of the center post is provided with a cavity, the main magnet, the washer and the auxiliary magnet are sequentially stacked in the cavity from bottom to top, the poles of the main magnet and the auxiliary magnet are opposite, and the outer edge side wall of the washer and the inner side wall of the cavity form a magnetic circuit gap;
the voice coil is matched with the magnetic return assembly, and the lower part of the voice coil is arranged in the magnetic circuit gap;
the first drum paper is matched with the basin frame, the outer edge of the first drum paper is attached to the annular folded edge, a first drum paper middle hole is formed in the first drum paper, and the edge of the first drum paper middle hole is attached to the top of the voice coil;
the second drum paper is matched with the basin frame, the outer edge of the second drum paper is jointed with the second annular step, a second drum paper middle hole is formed in the second drum paper, and the edge of the second drum paper middle hole is jointed with the bottom surface of the first drum paper to form a double drum paper interconnection vibration structure and provide axial elastic support for the first drum paper;
the wiring terminal is arranged on the outer side wall of the basin frame and is connected with the lead wire of the voice coil;
the dustproof cap is stuck on the top of the voice coil.
2. The novel ultra-thin horn of claim 1, wherein: the first drum paper comprises a first combining part positioned at the outer edge of the first drum paper and used for being jointed with the annular flanging, an arc-shaped protruding part is arranged on the inner side of the first combining part, a V-shaped concave part is arranged on the inner side of the arc-shaped protruding part of the first drum paper, a second combining part used for being jointed with the voice coil is arranged on the inner side of the V-shaped concave part of the first drum paper, the middle hole of the first drum paper is formed by the second combining part, and the bottom tip of the V-shaped concave part is jointed with the edge of the middle hole on the second drum paper.
3. The novel ultra-thin horn of claim 2, wherein: the second drum paper comprises a third combination part which is positioned at the outer edge of the second drum paper and is used for being jointed with a second annular step, an arc-shaped concave part is arranged on the inner side of the third combination part, a supporting part which extends towards the bottom of the V-shaped concave part of the first drum paper is arranged on the inner side of the arc-shaped concave part, a fourth combination part which is jointed with the tip end of the bottom of the V-shaped concave part is arranged at the tail end of the supporting part, and a middle hole of the second drum paper is formed by the fourth combination part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810881064.5A CN108718429B (en) | 2018-08-04 | 2018-08-04 | Novel ultra-thin loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810881064.5A CN108718429B (en) | 2018-08-04 | 2018-08-04 | Novel ultra-thin loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108718429A CN108718429A (en) | 2018-10-30 |
| CN108718429B true CN108718429B (en) | 2023-12-22 |
Family
ID=63914388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810881064.5A Active CN108718429B (en) | 2018-08-04 | 2018-08-04 | Novel ultra-thin loudspeaker |
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| Country | Link |
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| CN (1) | CN108718429B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201663681U (en) * | 2010-03-29 | 2010-12-01 | 吴炎山 | Cone paper and loudspeaker provided with same |
| CN201663686U (en) * | 2010-03-10 | 2010-12-01 | 吴炎山 | Speaker in multi-diaphragm structure |
| CN201986140U (en) * | 2011-03-22 | 2011-09-21 | 美商欧拉电声股份有限公司 | Ultra-thin speaker |
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| CN102821342A (en) * | 2011-06-10 | 2012-12-12 | 宁波升亚电子有限公司 | Loudspeaker |
| CN102833655A (en) * | 2012-09-04 | 2012-12-19 | 王利明 | Speaker and production method thereof |
| CN203193864U (en) * | 2013-02-04 | 2013-09-11 | 东星电声科技(东莞)有限公司 | Horn and drum paper thereof |
| CN203352790U (en) * | 2013-07-16 | 2013-12-18 | 揭阳市天籁高科电子有限公司 | Double cone paper dynamic speaker |
| WO2017054729A1 (en) * | 2015-09-29 | 2017-04-06 | 宁波升亚电子有限公司 | Speaker and diaphragm thereof, limiting mechanism, manufacturing method, sound producing method, and sound device |
| CN106792306A (en) * | 2016-11-30 | 2017-05-31 | 歌尔科技有限公司 | A kind of loudspeaker, earphone and in loudspeaker LF-response adjusting method |
| CN107547988A (en) * | 2017-09-27 | 2018-01-05 | 苟晓燕 | A kind of ultrathin loudspeaker |
| CN207531001U (en) * | 2017-12-16 | 2018-06-22 | 奉炜 | A kind of taper paper trunk is bonded loudspeaker with voice coil screens |
| CN208386857U (en) * | 2018-08-04 | 2019-01-15 | 东莞市安晟电子有限公司 | A kind of new type superthin loudspeaker |
-
2018
- 2018-08-04 CN CN201810881064.5A patent/CN108718429B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201663686U (en) * | 2010-03-10 | 2010-12-01 | 吴炎山 | Speaker in multi-diaphragm structure |
| CN201663681U (en) * | 2010-03-29 | 2010-12-01 | 吴炎山 | Cone paper and loudspeaker provided with same |
| CN201986138U (en) * | 2011-01-26 | 2011-09-21 | 美商欧拉电声股份有限公司 | Super-thin high power loudspeaker |
| CN201986140U (en) * | 2011-03-22 | 2011-09-21 | 美商欧拉电声股份有限公司 | Ultra-thin speaker |
| CN102821342A (en) * | 2011-06-10 | 2012-12-12 | 宁波升亚电子有限公司 | Loudspeaker |
| CN102833655A (en) * | 2012-09-04 | 2012-12-19 | 王利明 | Speaker and production method thereof |
| CN203193864U (en) * | 2013-02-04 | 2013-09-11 | 东星电声科技(东莞)有限公司 | Horn and drum paper thereof |
| CN203352790U (en) * | 2013-07-16 | 2013-12-18 | 揭阳市天籁高科电子有限公司 | Double cone paper dynamic speaker |
| WO2017054729A1 (en) * | 2015-09-29 | 2017-04-06 | 宁波升亚电子有限公司 | Speaker and diaphragm thereof, limiting mechanism, manufacturing method, sound producing method, and sound device |
| CN106792306A (en) * | 2016-11-30 | 2017-05-31 | 歌尔科技有限公司 | A kind of loudspeaker, earphone and in loudspeaker LF-response adjusting method |
| CN107547988A (en) * | 2017-09-27 | 2018-01-05 | 苟晓燕 | A kind of ultrathin loudspeaker |
| CN207531001U (en) * | 2017-12-16 | 2018-06-22 | 奉炜 | A kind of taper paper trunk is bonded loudspeaker with voice coil screens |
| CN208386857U (en) * | 2018-08-04 | 2019-01-15 | 东莞市安晟电子有限公司 | A kind of new type superthin loudspeaker |
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| Publication number | Publication date |
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| CN108718429A (en) | 2018-10-30 |
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Effective date of registration: 20200424 Address after: No.19, Yinping Road, Qingxi Town, Dongguan City, Guangdong Province Applicant after: Dongguan Aisheng Electronic Technology Co.,Ltd. Address before: 523000 No. 7-5, Yin Ping Road, Chong he village committee, Qingxi Town, Dongguan, Guangdong Applicant before: DONGGUAN ANSHENG ELECTRONIC Co.,Ltd. |
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