CN108513236B - Loudspeaker vibrating structure and loudspeaker - Google Patents
Loudspeaker vibrating structure and loudspeaker Download PDFInfo
- Publication number
- CN108513236B CN108513236B CN201810357509.XA CN201810357509A CN108513236B CN 108513236 B CN108513236 B CN 108513236B CN 201810357509 A CN201810357509 A CN 201810357509A CN 108513236 B CN108513236 B CN 108513236B
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- China
- Prior art keywords
- voice coil
- sound
- bonding pad
- coil wire
- electrically connected
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- 239000010410 layer Substances 0.000 claims description 41
- 239000004020 conductor Substances 0.000 claims description 36
- 239000012528 membrane Substances 0.000 claims description 29
- 239000012790 adhesive layer Substances 0.000 claims description 22
- 230000005611 electricity Effects 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention provides a loudspeaker vibrating structure, which comprises a basin frame and a voice coil, wherein the voice coil is connected with a first voice coil wire and a second voice coil wire, the basin frame is provided with a first bonding pad and a second bonding pad, the voice coil is provided with a voice film, both sides of the voice film are respectively provided with a conductive layer, the first voice coil wire is electrically connected with one side of the voice film, the second voice coil wire is electrically connected with the other side of the voice film, one side of the voice film, which is electrically connected with the first voice coil wire, is electrically connected with the first bonding pad, and one side of the voice film, which is electrically connected with the second voice coil wire, is electrically connected with the second bonding pad. Due to the adoption of the technical scheme, compared with the prior art, the invention has the advantages that: the voice coil wire is prevented from being directly connected with the outside, so that the voice coil is not pulled by the voice coil wire when vibrating, balanced vibration can be ensured, and the performance and reliability allowance of the product are improved.
Description
Technical Field
The invention relates to the technical field of electroacoustic technology.
In particular to a loudspeaker vibrating structure and a loudspeaker.
Background
The miniature loudspeaker is internally provided with a voice coil, the voice coil is positioned in the magnetic gap and communicated with an external power supply system in a certain mode, and under the condition of electrifying, the voice coil applies driving force to the voice coil by a magnetic field, and the voice coil drives the vibrating diaphragm to vibrate up and down to compress air for sounding.
The current industry connection mode mostly is that a voice coil reserves a first voice coil wire and a second voice coil wire with certain lengths, the first voice coil wire and the second voice coil wire are positioned on one side of the voice coil, the first voice coil wire and the second voice coil wire are welded on an inner bonding pad of a product, and the inner bonding pad and an outer bonding pad are conducted, so that electric connection is achieved.
The disadvantages of the current wiring mode are: because the first voice coil wire and the second voice coil wire are positioned on one side of the voice coil, when the voice coil vibrates, the amplitude of one side with the first voice coil wire and the second voice coil wire is small, and the amplitude of one side without the first voice coil wire and the second voice coil wire is large, thus unbalanced vibration of products is bad, and performance and reliability allowance of the products are reduced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a loudspeaker vibrating structure and a loudspeaker, which can prevent a voice coil wire from pulling the voice coil and improve the performance and the reliability allowance of products.
The aim of the invention is achieved by the following technical measures:
the utility model provides a speaker vibrating structure, includes basin frame and voice coil loudspeaker voice coil, the voice coil loudspeaker voice coil is connected with first voice coil loudspeaker voice coil line and second voice coil loudspeaker voice coil, be equipped with first pad and second pad on the basin frame, be equipped with the sound membrane on the voice coil loudspeaker voice coil, the sound membrane both sides all are equipped with the conducting layer, first voice coil loudspeaker voice coil is connected with sound membrane one side electricity, second voice coil loudspeaker voice coil line is connected with sound membrane opposite side electricity, the sound membrane electricity is connected with one side and the first pad electricity of first voice coil loudspeaker voice coil line, the sound membrane electricity is connected with one side and the second pad electricity of second voice coil loudspeaker voice coil line.
As an improvement: the sound membrane is provided with a second through hole, and the first voice coil wire penetrates through the second through hole.
As an improvement: the voice coil is provided with a first conductor layer and a second conductor layer, the sound membrane is arranged between the first conductor layer and the second conductor layer, the first conductor layer is provided with a first through hole, and the first voice coil wire penetrates through the first through hole.
As an improvement: a first conductive adhesive layer is arranged between the first conductor layer and the sound membrane, and a second conductive adhesive layer is arranged between the second conductor layer and the sound membrane.
As an improvement: the basin frame is also provided with a conductive sheet, the sound membrane is arranged between the conductive sheet and the basin frame, the conductive sheet is electrically connected with the sound membrane, and the conductive sheet is electrically connected with the first bonding pad.
As an improvement: the first bonding pad is arranged between the conducting strip and the basin frame.
As an improvement: a third conductive adhesive layer is arranged between the conductive sheet and the first bonding pad, and a third conductive adhesive layer is arranged between the conductive sheet and the sound film;
a first adhesive layer is arranged between the sound membrane and the basin frame.
As an improvement: the sound film is arranged between the conducting strip and the second bonding pad; and a fourth conductive adhesive layer is arranged between the sound film and the second bonding pad.
As an improvement: the sound membrane comprises a middle part, an arc-shaped part and an edge part, wherein the arc-shaped part is arranged on the periphery of the middle part, the edge part is arranged on the periphery of the arc-shaped part, the middle part is connected with the voice coil, and the edge part is connected with the basin frame;
the shape of the conducting strip is annular, and a voice coil through hole is formed in the conducting strip.
A loudspeaker, characterized by: including the speaker vibration structure as described above.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the advantages that: the voice coil wire is prevented from being directly connected with the outside, so that the voice coil is not pulled by the voice coil wire when vibrating, balanced vibration can be ensured, and the performance and reliability allowance of the product are improved.
The invention is further described below with reference to the drawings and the detailed description.
Drawings
Fig. 1 is a schematic structural view of a loudspeaker vibration structure according to the present invention.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Fig. 3 is an enlarged schematic view of a portion B in fig. 1.
Fig. 4 is an enlarged schematic view of the part C in fig. 1.
Fig. 5 is a schematic diagram of the structure of a diaphragm in a loudspeaker vibration structure according to the present invention.
Fig. 6 is a schematic structural view of a basin stand in a speaker vibration structure according to the present invention.
Fig. 7 is a schematic structural view of a conductive sheet in a vibration structure of a speaker according to the present invention.
Fig. 8 is a schematic structural view of a vibration structure in the background art.
In the figure: 1-basin stand; 2-a voice coil; 3-middle part; 4-a first conductor layer; 5-a first conductive adhesive layer; 6-a second conductive adhesive layer; 7-a second conductor layer; 8-arc-shaped part; 9-edge portion; 10-conducting strips; 11-a third conductive adhesive layer; 12-a first bonding pad; 13-a first glue layer; 14-a first voice coil wire; 15-a second voice coil wire; 16-a second bonding pad; 17-a first through hole; 18-a second through hole; 19-internal pads; 20-voice coil vias; 21-a fourth conductive adhesive layer; 22-avoiding the notch.
Detailed Description
As shown in fig. 8, a speaker vibration structure in the related art includes a voice coil 2, the voice coil 2 is connected with a first voice coil wire 14 and a second voice coil wire 15, and the first voice coil wire 14 and the second voice coil wire 15 are soldered to an internal pad.
Example 1:
as shown in fig. 1 to 7, a speaker vibration structure includes a frame 1 and a voice coil 2.
The upper part of the basin frame 1 is provided with a first bonding pad 12 and a second bonding pad 16, the first bonding pad 12 is bonded with the basin frame 1, and the second bonding pad 16 is bonded with the basin frame 1. The upper side surface of the first bonding pad 12 is higher than the upper side surface of the basin frame 1, and the upper side surface of the second bonding pad 16 is flush with the upper side surface of the basin frame 1.
The voice coil 2 is connected to a first voice coil wire 14 and a second voice coil wire 15.
The voice coil loudspeaker voice coil 2 is last to be equipped with the sound membrane, the sound membrane includes intermediate part 3, arc portion 8 and edge portion 9, arc portion 8 sets up in intermediate part 3 week circles, edge portion 9 sets up in arc portion 8 week circles.
The sound membrane is of a double-layer structure, and the two layers of structures are bonded together. And conductive materials are plated on two sides of the sound film to form a conductive layer.
The first conductor layer 4 and the second conductor layer 7 are adhered to the middle portion 3, and the first conductor layer 4 and the second conductor layer 7 are made of copper foil. The sound membrane is arranged between the first conductor layer 4 and the second conductor layer 7, a first conductive adhesive layer 5 is arranged between the first conductor layer 4 and the sound membrane, and a second conductive adhesive layer 6 is arranged between the second conductor layer 7 and the sound membrane. The one conductor layer 4 is bonded to the voice coil 2.
The sound membrane is provided with a second through hole 18, the first conductor layer 4 is provided with a first through hole 17,
the first voice coil wire 14 is electrically connected with one side of the voice film, and the second voice coil wire 15 is electrically connected with the other side of the voice film.
Specifically, the first voice coil wire 14 passes through the second through hole 18 and the first through hole 17, the first voice coil wire 14 is welded with the second conductor layer 7, and the second voice coil wire 15 is welded with the first conductor layer 4.
The side of the soundfilm electrically coupled with the first voice coil wire 14 is electrically coupled with the first bonding pad 12,
specifically, the basin frame 1 is further provided with a conductive sheet 10, the conductive sheet 10 is a copper sheet, the conductive sheet 10 is annular in shape, and the conductive sheet 10 is provided with a voice coil via hole 20 for accommodating the voice coil 2
The edge part 9 of the sound film is arranged between the conducting strip 10 and the basin frame 1, the first bonding pad 12 is arranged between the conducting strip 10 and the basin frame 1, the upper side surface of the edge part 9 of the sound film is flush with the upper side surface of the first bonding pad 12, and an avoidance gap 22 for avoiding the first bonding pad 12 is formed in the edge part 9. A third conductive adhesive layer 11 is arranged between the conductive sheet 10 and the first bonding pad 12, and a third conductive adhesive layer 11 is arranged between the conductive sheet 10 and the edge portion 9 of the sound film.
The side of the diaphragm to which the second voice coil wire 15 is electrically coupled to the second pad 16.
Specifically, the edge portion 9 of the sound film is adhered to the top of the basin frame 1, a first adhesive layer 13 is arranged between the edge portion 9 and the basin frame 1, and a fourth conductive adhesive layer 21 is arranged between the edge portion 9 and the second bonding pad 16.
The working principle of the invention is as follows: the first voice coil wire 14 is electrically connected with the second conductor layer 7, one side of the second conductor layer 7, which is electrically connected with the voice film, is electrically connected with the conductive sheet 10, and the conductive sheet 10 is electrically connected with the first bonding pad 12; the second voice coil wire 15 is electrically connected with the first conductor layer 4, the first conductor layer 4 is electrically connected with the other side of the voice film, and the side of the voice film connected with the first conductor layer 4 is electrically connected with the second bonding pad 16.
By means of the technical scheme, the voice coil is powered, the first voice coil wire 14 and the second voice coil wire 15 cannot be repeatedly pulled, balanced vibration can be guaranteed, and the performance and reliability allowance of products are increased.
Of course, the first conductor layer 4, the second conductor layer 7 and the conductive sheet 10 may also be made of silver.
Example 2:
a speaker comprising the speaker vibration structure of embodiment 1.
The foregoing describes several embodiments of the present invention in detail, but the description is merely a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (10)
1. The utility model provides a speaker vibrating structure, includes basin frame (1) and voice coil (2), voice coil loudspeaker voice coil (2) are connected with first voice coil wire (14) and second voice coil wire (15), its characterized in that: the basin frame (1) is provided with a first bonding pad (12) and a second bonding pad (16), the voice coil (2) is provided with a sound film, two sides of the sound film are respectively provided with a conductive layer, the first sound coil wire (14) is electrically connected with one side of the sound film, the second sound coil wire (15) is electrically connected with the other side of the sound film, one side of the sound film, which is electrically connected with the first sound coil wire (14), is electrically connected with the first bonding pad (12), and one side of the sound film, which is electrically connected with the second sound coil wire (15), is electrically connected with the second bonding pad (16);
the voice coil (2) is provided with a first conductor layer (4) and a second conductor layer (7), and the sound membrane is arranged between the first conductor layer (4) and the second conductor layer (7);
the basin stand (1) is also provided with a conducting strip (10), the conducting strip (10) is electrically connected with the sound membrane, and the conducting strip (10) is electrically connected with the first bonding pad (12).
2. The speaker vibration structure as recited in claim 1, wherein: the sound membrane is provided with a second through hole (18), and the first voice coil wire (14) passes through the second through hole (18).
3. The speaker vibration structure as recited in claim 1, wherein: the first conductor layer (4) is provided with a first through hole (17), and the first voice coil wire (14) passes through the first through hole (17).
4. A loudspeaker vibrating structure according to claim 3, wherein: a first conductive adhesive layer (5) is arranged between the first conductor layer (4) and the sound membrane, and a second conductive adhesive layer (6) is arranged between the second conductor layer (7) and the sound membrane.
5. The speaker vibration structure as recited in claim 1, wherein: the sound membrane is arranged between the conducting strip (10) and the basin frame (1).
6. The speaker vibration structure as recited in any one of claims 1-5, wherein: the first bonding pad (12) is arranged between the conducting strip (10) and the basin frame (1).
7. The speaker vibration structure as recited in claim 6, wherein: a third conductive adhesive layer (11) is arranged between the conductive sheet (10) and the first bonding pad (12), and the third conductive adhesive layer (11) is arranged between the conductive sheet (10) and the sound film;
a first adhesive layer (13) is arranged between the sound membrane and the basin frame (1).
8. The speaker vibration structure as recited in any one of claims 1-5, wherein: the sound film is arranged between the conducting strip (10) and the second bonding pad (16); a fourth conductive adhesive layer (21) is arranged between the sound film and the second bonding pad (16).
9. The speaker vibration structure as recited in any one of claims 1-5, wherein: the sound membrane comprises a middle part (3), an arc-shaped part (8) and an edge part (9), wherein the arc-shaped part (8) is arranged on the periphery of the middle part (3), the edge part (9) is arranged on the periphery of the arc-shaped part (8), the middle part (3) is connected with the voice coil (2), and the edge part (9) is connected with the basin frame (1);
the conductive sheet (10) is annular in shape, and a voice coil through hole (20) is formed in the conductive sheet (10).
10. The speaker, its characterized in that: a loudspeaker vibrating structure comprising the loudspeaker of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810357509.XA CN108513236B (en) | 2018-04-20 | 2018-04-20 | Loudspeaker vibrating structure and loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810357509.XA CN108513236B (en) | 2018-04-20 | 2018-04-20 | Loudspeaker vibrating structure and loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108513236A CN108513236A (en) | 2018-09-07 |
| CN108513236B true CN108513236B (en) | 2023-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810357509.XA Active CN108513236B (en) | 2018-04-20 | 2018-04-20 | Loudspeaker vibrating structure and loudspeaker |
Country Status (1)
| Country | Link |
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| CN (1) | CN108513236B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110784810B (en) | 2019-09-29 | 2021-03-30 | 歌尔科技有限公司 | A conducting film and sound generating mechanism for sound generating mechanism |
| CN110620976A (en) * | 2019-09-29 | 2019-12-27 | 歌尔科技有限公司 | A conducting film and sound generating mechanism for sound generating mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202059561U (en) * | 2011-05-18 | 2011-11-30 | 歌尔声学股份有限公司 | Vibration system for miniature voice generator |
| CN103024638A (en) * | 2012-11-25 | 2013-04-03 | 歌尔声学股份有限公司 | Electroacoustic transducer |
| CN205320271U (en) * | 2015-12-29 | 2016-06-15 | 常州金坛英杰电子有限公司 | Miniature sounder |
| CN206674192U (en) * | 2017-04-13 | 2017-11-24 | 瑞声科技(新加坡)有限公司 | Microspeaker |
| CN208079383U (en) * | 2018-04-20 | 2018-11-09 | 山东共达电声股份有限公司 | A kind of loudspeaker vibration structure and loud speaker |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI477159B (en) * | 2014-05-27 | 2015-03-11 | Cotron Corp | Vibrating element |
| CN205793288U (en) * | 2016-05-26 | 2016-12-07 | 瑞声科技(新加坡)有限公司 | Minitype acoustic generator |
-
2018
- 2018-04-20 CN CN201810357509.XA patent/CN108513236B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202059561U (en) * | 2011-05-18 | 2011-11-30 | 歌尔声学股份有限公司 | Vibration system for miniature voice generator |
| CN103024638A (en) * | 2012-11-25 | 2013-04-03 | 歌尔声学股份有限公司 | Electroacoustic transducer |
| CN205320271U (en) * | 2015-12-29 | 2016-06-15 | 常州金坛英杰电子有限公司 | Miniature sounder |
| CN206674192U (en) * | 2017-04-13 | 2017-11-24 | 瑞声科技(新加坡)有限公司 | Microspeaker |
| CN208079383U (en) * | 2018-04-20 | 2018-11-09 | 山东共达电声股份有限公司 | A kind of loudspeaker vibration structure and loud speaker |
Non-Patent Citations (3)
| Title |
|---|
| The Electrical Performance Analysis of Piezoelectric Micromachine Ultrasound Transducer for Audio Directional Loudspeaker;Ying Zhang et al.;《2008 International Conference on Computer and Electrical Engineering》;812-816 * |
| 微型扬声器;王焕仁;《电声技术》(第4期);8-15 * |
| 微型扬声器结构及振膜设计;周静雷等;《电声技术》(第1期);15-21 * |
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| Publication number | Publication date |
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| CN108513236A (en) | 2018-09-07 |
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