CN109889949B - Thin loudspeaker with multiple suspension supports - Google Patents
Thin loudspeaker with multiple suspension supports Download PDFInfo
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- CN109889949B CN109889949B CN201910294574.7A CN201910294574A CN109889949B CN 109889949 B CN109889949 B CN 109889949B CN 201910294574 A CN201910294574 A CN 201910294574A CN 109889949 B CN109889949 B CN 109889949B
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- voice coil
- wall
- cone
- framework
- support piece
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- 239000000725 suspension Substances 0.000 title claims abstract description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 42
- 229910052742 iron Inorganic materials 0.000 claims abstract description 20
- 239000000428 dust Substances 0.000 claims abstract description 8
- 239000004642 Polyimide Substances 0.000 claims description 4
- 229920001721 polyimide Polymers 0.000 claims description 4
- 238000009954 braiding Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 230000005855 radiation Effects 0.000 abstract description 2
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical group N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000012811 non-conductive material Substances 0.000 description 2
- 101150114468 TUB1 gene Proteins 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention relates to a thin loudspeaker with multiple suspension supports, comprising: basin frame, U iron, magnet, magnetic pole core, vice magnet, voice coil loudspeaker voice coil, take to roll over ring cone, location piece, braced skeleton, first lead wire, second lead wire, wiring board, dust cap, apron are constituteed, through voice coil loudspeaker voice coil, location scraps of paper, cone roll over ring, braced skeleton etc. and are constituteed suspension, under the prerequisite of guaranteeing speaker low frequency radiation quality, this speaker product has further reduced speaker overall structure height, and this many suspension bearing structure has reduced the nonlinear distortion of cone, voice coil loudspeaker etc. in magnetic circuit system in speaker work, do benefit to the installation use of this product in OLED etc. high-grade slim TV.
Description
Technical Field
The invention relates to a thin loudspeaker with multiple suspension supports, in particular to a loudspeaker suitable for audio and video equipment such as a large-size flat-panel television and the like, and belongs to the technical field of electroacoustic.
Background
In the prior art, in order to improve the sound quality of a thin large-size television set such as an OLED, a ULED and the like, a plurality of speaker units are generally adopted to form a phase inversion sound box so as to improve the low-frequency response characteristic, but such sound systems are generally limited by the structure and the installation position of the speaker units and the thickness of the whole structure of the television set, and cannot further enhance the low-frequency quantity sense and the low-frequency radiation quality on the premise of thinning. The structure of the magnetic circuit system and the effective area of the cone are enlarged, and the low-frequency quantity sense can be greatly improved, but the nonlinear distortion of the vibration system is inevitably increased, so that the low-frequency quality is deteriorated, and the hearing sense is deteriorated. Only by continuously optimizing the design of the suspension supporting structure in the vibration system, the thickness of the product can be reduced as much as possible on the premise of ensuring the acoustic characteristics so as to meet the use requirements of the terminal product.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a multi-suspension-support thin loudspeaker which can improve the low-frequency response characteristic of a sound box, the loudness and the volume sense of the sound box and ensure the reliability of the sound box in a long-term high-power working state under a thinner structure thickness.
The aim of the invention can be achieved by the following technical scheme:
a thin loudspeaker with multiple suspension supports is composed of basin frame, U iron, magnetic pole core, auxiliary magnetic pole, voice coil, cone with folded ring, locating supporting plate, supporting frame, lead wire, wiring board, dust cap and cover plate.
The basin frame bottom is provided with the U iron, is provided with the magnet in the bottom of U iron, is provided with the magnetic pole core directly over the magnet, is provided with vice magnet directly over the magnetic pole core, and the outer wall of magnet, magnetic pole core and vice magnet leaves the magnetic gap with the inner wall of U iron, and the voice coil loudspeaker voice coil setting is in this magnetic gap, and the bottom of cone body is run through at the top of voice coil loudspeaker voice coil skeleton, the outer wall at voice coil loudspeaker voice coil skeleton top and the mesopore inner wall close combination of cone body, and the top of voice coil loudspeaker voice coil skeleton is provided with the dust cap. The lower surface of the outer edge of the folding ring of the cone with the folding ring is tightly combined with the upper surface of the step of the cone frame, and the inner wall of the folding ring of the cone is tightly combined with the outer wall of the cone body. The lower surface of the outer edge of the positioning support piece is tightly combined with the upper surface of the step of the basin frame, the inner wall of the positioning support piece is tightly combined with the outer wall of the supporting framework, the supporting framework is arranged on the outer side of the U-shaped iron outer wall in a surrounding mode, the supporting framework is perpendicular to the datum plane of the positioning support piece, and the supporting framework is parallel to the section of the voice coil framework. The top and the bottom of the supporting framework are respectively penetrated with a conductive film, the first lead is led out from the outer wall of the voice coil and connected to the conductive film at the top of the supporting framework, and the second lead is connected to the wiring board after penetrating through the positioning support piece from the bottom of the conductive film. The wiring board is arranged on the basin frame.
As a further improvement of the invention, the cone body of the thin speaker with the multi-suspension support is provided with a plurality of radial reinforcing lines from the center hole to the outer edge, and the radian of the ring is downwards raised.
As a further improvement of the invention, the supporting framework of the multi-suspension-support thin loudspeaker is in a cylindrical structure, the upper surface of the top of the supporting framework is tightly combined with the lower surface of the cone body with the folded ring, and the part of the lower surface of the cone body combined with the supporting framework is in a step shape, thereby being beneficial to positioning and fixing the supporting framework. The outer wall of the bottom of the supporting framework is tightly combined with the inner wall of the central hole of the positioning support piece, and the supporting framework is vertically hung between the cone and the positioning support piece and keeps a certain distance with the outer wall of the U-shaped iron. The supporting framework is covered with a conductive film along the outer wall of the framework, and a hole is penetrated at the upper part of the conductive film.
As a further improvement of the invention, the first lead of the voice coil of the multi-suspension thin loudspeaker is led out from the upper part of the enamelled wire wound on the voice coil framework, passes through the hole on the upper part of the conductive film after being kept for a certain length, and is welded on the upper part of the conductive film on the outer wall of the supporting framework.
As a further improvement of the invention, the second lead is arranged in the locating support piece in a braiding mode, one end of the second lead is led out and welded to the lower part of the conductive film along the central hole of the locating support piece, and the other end of the second lead is welded to the wiring board along the outer edge of the locating support piece.
As a further development of the invention, the support skeleton is made of a high-strength non-conductive material, preferably polyimide.
As a further improvement of the present invention, a dust cap is provided on the top of the voice coil bobbin. A cover plate is arranged right above the cone body, and the upper surface of the cover plate presents concentric circle lines along the outer edge of the central position.
Compared with the prior art, the invention has the following advantages:
under thinner speaker structure, through setting up the nonlinear distortion that support skeleton texture comparatively effectively reduced vibration system, improve low frequency quality, improve low frequency and listen and feel, and guarantee that the bearable power of long-term during operation is great, the reliability is better, more does benefit to the operation requirement that satisfies slim terminal product.
Drawings
Fig. 1 is a cross-sectional view of a multi-suspension thin speaker of the present invention.
Fig. 2 is an exploded view of a multi-suspension thin speaker of the present invention.
Reference numerals illustrate: 1-basin frame, 2-U iron, 3-magnet, 4-magnetic pole core, 5-auxiliary magnet, 6-voice coil, 6.1-voice coil skeleton, 6.2-radiating hole, 7-supporting skeleton, 7.1-conductive film, 8-voice coil first lead, 9-second lead, 10-wiring board, 11-positioning support piece, 12-cone, 12.1-cone body, 12.2-cone ring, 13-cover plate, 14, dust cap.
Detailed Description
The invention will be further described with reference to examples of embodiments in the accompanying drawings, in which:
as shown in fig. 1-2, in the embodiment of the invention, a thin speaker with multiple suspension supports mainly comprises a basin frame 1, a U-shaped iron 2, a magnet 3, a magnetic pole core 4, a secondary magnet 5, a voice coil 6, a supporting framework 7, a first lead 8, a second lead 9, a wiring board 10, a positioning support piece 11, a cone 12 with a folded ring, a cover plate 13 and a dust cap 14, and forms a suspension system together through the voice coil framework 6.1, the supporting framework 7, the positioning support piece 11 and the cone folded ring 12.2.
The basin frame 1 bottom is provided with U iron 2, is provided with magnet 3 in the bottom of U iron 2, is provided with magnetic pole core 4 directly over the magnet 3, is provided with vice magnet 5 directly over magnetic pole core 4, and magnetic gap is left with the inner wall of U iron 2 to magnet 3, magnetic pole core 4 and vice magnet 5, and voice coil 6 sets up in this magnetic gap, and the bottom of cone body 12.1 is run through at the top of voice coil 6 skeleton 6.1, and the outer wall at voice coil skeleton 6.1 top and the mesoporous inner wall close combination of cone body 12.1, and the top of voice coil skeleton 6.1 is provided with dustproof cap 14. The lower surface of the outer edge of the folded ring 12.2 of the cone 12 with the folded ring is tightly combined with the upper surface of the step of the cone frame 1, and the inner wall of the folded ring 12.2 of the cone is tightly combined with the outer wall of the cone body 12.1. The lower surface of the outer edge of the positioning support piece 11 is tightly combined with the upper surface of the step of the basin frame 1, the inner wall of the positioning support piece 11 is tightly combined with the outer wall of the supporting framework 7, the supporting framework 7 is arranged on the outer side of the outer wall of the U-shaped iron 2 in a surrounding mode, the supporting framework is perpendicular to the datum plane of the positioning support piece 11, and the supporting framework is parallel to the section of the voice coil framework 6.1. The top and the bottom of the supporting framework 7 are respectively penetrated with a conductive film 7.1, a first lead 8 is led out from the outer wall of the voice coil 6 and connected to the conductive film 7.1 at the top of the supporting framework 7, and a second lead 9 is penetrated with a positioning support piece 11 from the bottom of the conductive film 7.1 and then connected to the wiring board 10. The wiring board 10 is provided on the tub 1.
As shown in fig. 1-2, the cone 12 with a folded ring of the thin speaker with multiple suspension supports has a cone body 12.1 covered by the folded ring, and a plurality of radial reinforcing lines are provided on the surface of the cone body 12.1 from the central hole to the outer edge, and the radian of the folded ring is protruded downwards.
As shown in fig. 1-2, the supporting frame 7 of the multi-suspension thin speaker is in a cylindrical structure, the upper surface of the top of the supporting frame is tightly combined with the lower surface of the cone body 12.1 with the folded ring, and the part of the lower surface of the cone body 12.1 combined with the supporting frame 7 is in a step shape, which is beneficial to positioning and fixing the supporting frame 7. The outer wall of the bottom of the supporting framework 7 is tightly combined with the inner wall of the central hole of the positioning support piece 11, and the supporting framework 7 is vertically hung between the cone 12 and the positioning support piece 11 and keeps a certain distance with the outer wall of the U-shaped iron 2. The supporting framework 7 is covered with a conductive film 7.1 along the outer wall of the framework, and a hole is penetrated at the upper part of the conductive film 7.1.
As shown in fig. 1-2, the first lead 8 of the voice coil 6 of the thin speaker with multiple suspension supports is led out from the upper part of the enamelled wire wound on the voice coil skeleton 6.1, passes through the hole on the upper part of the conductive film 7.1 after a certain length is maintained, and is welded on the upper part of the conductive film 7.1 on the outer wall of the supporting skeleton 7. The second lead 9 is arranged in the locating support piece 11 in a braiding mode, one end of the second lead 9 is led out and welded to the lower portion of the conductive film 7.1 along the central hole of the locating support piece 11, and the other end of the second lead 9 is welded to the wiring board 10 along the outer edge of the locating support piece 11.
As shown in fig. 1-2, the support frame is made of a high strength non-conductive material, preferably Polyimide (Polyimide).
As shown in fig. 1-2, a dust cap 14 is provided on top of the voice coil former 6.1.
As shown in fig. 1-2, a cover plate 13 is arranged right above the cone body 12.1, and the upper surface of the cover plate 13 presents concentric circle patterns along the outer edge of the central position.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting thereof; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (3)
1. A multi-suspension-support thin loudspeaker is characterized by comprising a basin frame (1), U-shaped iron (2), a magnet (3), a magnetic pole core (4), an auxiliary magnet (5), a voice coil (6), a support framework (7), a first lead (8), a second lead (9), a wiring board (10), a positioning support piece (11), a cone with a folded ring (12), a cover plate (13) and a dust cap (14),
a suspension system is formed by the voice coil framework (6.1), the supporting framework (7), the positioning support piece (11) and the cone-shaped folding ring (12.2);
the bottom of the basin frame (1) is provided with a U iron (2), the bottom of the U iron (2) is provided with a magnet (3), a magnetic pole core (4) is arranged right above the magnet (3), an auxiliary magnet (5) is arranged right above the magnetic pole core (4), the magnet (3), the magnetic pole core (4) and the auxiliary magnet (5) are arranged on the outer wall, a magnetic gap is reserved between the magnet (3) and the inner wall of the U iron (2), a voice coil (6) is arranged in the magnetic gap, the top of a voice coil (6.1) framework penetrates through the bottom of the basin body (12.1), the outer wall of the top of the voice coil framework (6.1) is tightly combined with the inner wall of a middle hole of the basin body (12.1), and a dustproof cap (14) is arranged on the top of the voice coil framework (6.1);
the lower surface of the outer edge of the folding ring (12.2) of the cone with the folding ring (12) is tightly combined with the upper surface of the upper step of the cone frame (1), and the inner wall of the folding ring (12.2) of the cone is tightly combined with the outer wall of the cone body (12.1); the lower surface of the outer edge of the positioning support piece (11) is tightly combined with the upper surface of the lower step of the basin frame (1), the inner wall of the positioning support piece (11) is tightly combined with the outer wall of the supporting framework (7), the supporting framework (7) is arranged on the outer side of the outer wall of the U-shaped iron (2) in a surrounding mode, is perpendicular to the datum plane of the positioning support piece (11), and is parallel to the section of the voice coil framework (6.1);
the supporting framework (7) is covered with a conductive film (7.1) along the outer wall of the framework, and a hole is penetrated at the upper part of the conductive film (7.1); the first lead (8) of the voice coil (6) is led out from the upper part of an enamelled wire wound on the voice coil framework (6.1), passes through a hole at the upper part of the conductive film (7.1) after a certain length is maintained, and is welded at the upper part of the conductive film (7.1) on the outer wall of the supporting framework (7); the second lead (9) is arranged in the positioning support piece (11) in a braiding mode, one end of the second lead (9) is led out and welded to the lower part of the conductive film (7.1) along the central hole of the positioning support piece (11), and the other end of the second lead is welded to the wiring board (10) along the outer edge of the positioning support piece (11);
the wiring board (10) is arranged on the basin frame (1);
the supporting framework (7) is in a cylindrical structure, the upper surface of the top of the supporting framework is tightly combined with the lower surface of the cone body (12.1) with the folded ring, and the part of the lower surface of the cone body (12.1) combined with the supporting framework (7) is in a step shape, so that the positioning and the fixing of the supporting framework (7) are facilitated; the outer wall of the bottom of the supporting framework (7) is tightly combined with the inner wall of the central hole of the positioning support piece (11), and the supporting framework (7) is vertically hung between the cone (12) and the positioning support piece (11) and keeps a certain distance with the outer wall of the U-shaped iron (2);
the cone body (12.1) of the thin loudspeaker with the multi-suspension support is provided with a plurality of radial reinforcing lines from the center hole to the outer edge, and the radian of the folding ring of the cone body is downwards raised.
2. A multi-suspension thin speaker as defined in claim 1, wherein: the supporting framework is made of polyimide material.
3. A multi-suspension thin speaker as defined in claim 1, wherein: a cover plate (13) is arranged right above the cone body (12.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910294574.7A CN109889949B (en) | 2019-04-12 | 2019-04-12 | Thin loudspeaker with multiple suspension supports |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910294574.7A CN109889949B (en) | 2019-04-12 | 2019-04-12 | Thin loudspeaker with multiple suspension supports |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109889949A CN109889949A (en) | 2019-06-14 |
| CN109889949B true CN109889949B (en) | 2024-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910294574.7A Active CN109889949B (en) | 2019-04-12 | 2019-04-12 | Thin loudspeaker with multiple suspension supports |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111405422B (en) * | 2019-11-21 | 2021-11-12 | 瑞声科技(新加坡)有限公司 | Sound production device |
| CN111464923B (en) * | 2019-12-30 | 2022-01-28 | 瑞声科技(新加坡)有限公司 | Sound producing device |
| CN111836176B (en) * | 2020-06-30 | 2022-09-06 | 歌尔股份有限公司 | Sound production assembly and electronic equipment |
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| CN109889949A (en) | 2019-06-14 |
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